Sync toplevel with upstream GCC.

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>

COPYING.LIB

@@ -1,13 +1,15 @@
-		  GNU LIBRARY GENERAL PUBLIC LICENSE
-		       Version 2, June 1991
 
- Copyright (C) 1991 Free Software Foundation, Inc.
+                  GNU LESSER GENERAL PUBLIC LICENSE
- 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
+                       Version 2.1, February 1999
+
+ Copyright (C) 1991, 1999 Free Software Foundation, Inc.
+	51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  Everyone is permitted to copy and distribute verbatim copies
  of this license document, but changing it is not allowed.
 
-[This is the first released version of the library GPL.  It is
+[This is the first released version of the Lesser GPL.  It also counts
- numbered 2 because it goes with version 2 of the ordinary GPL.]
+ as the successor of the GNU Library Public License, version 2, hence
+ the version number 2.1.]
 
                             Preamble
 
@@ -16,97 +18,110 @@ freedom to share and change it.  By contrast, the GNU General Public
 Licenses are intended to guarantee your freedom to share and change
 free software--to make sure the software is free for all its users.
 
-  This license, the Library General Public License, applies to some
+  This license, the Lesser General Public License, applies to some
-specially designated Free Software Foundation software, and to any
+specially designated software packages--typically libraries--of the
-other libraries whose authors decide to use it.  You can use it for
+Free Software Foundation and other authors who decide to use it.  You
-your libraries, too.
+can use it too, but we suggest you first think carefully about whether
+this license or the ordinary General Public License is the better
+strategy to use in any particular case, based on the explanations
+below.
 
-  When we speak of free software, we are referring to freedom, not
+  When we speak of free software, we are referring to freedom of use,
-price.  Our General Public Licenses are designed to make sure that you
+not price.  Our General Public Licenses are designed to make sure that
-have the freedom to distribute copies of free software (and charge for
+you have the freedom to distribute copies of free software (and charge
-this service if you wish), that you receive source code or can get it
+for this service if you wish); that you receive source code or can get
-if you want it, that you can change the software or use pieces of it
+it if you want it; that you can change the software and use pieces of
-in new free programs; and that you know you can do these things.
+it in new free programs; and that you are informed that you can do
+these things.
 
   To protect your rights, we need to make restrictions that forbid
-anyone to deny you these rights or to ask you to surrender the rights.
+distributors to deny you these rights or to ask you to surrender these
-These restrictions translate to certain responsibilities for you if
+rights.  These restrictions translate to certain responsibilities for
-you distribute copies of the library, or if you modify it.
+you if you distribute copies of the library or if you modify it.
 
   For example, if you distribute copies of the library, whether gratis
 or for a fee, you must give the recipients all the rights that we gave
 you.  You must make sure that they, too, receive or can get the source
-code.  If you link a program with the library, you must provide
+code.  If you link other code with the library, you must provide
-complete object files to the recipients so that they can relink them
+complete object files to the recipients, so that they can relink them
-with the library, after making changes to the library and recompiling
+with the library after making changes to the library and recompiling
 it.  And you must show them these terms so they know their rights.
 
-  Our method of protecting your rights has two steps: (1) copyright
+  We protect your rights with a two-step method: (1) we copyright the
-the library, and (2) offer you this license which gives you legal
+library, and (2) we offer you this license, which gives you legal
 permission to copy, distribute and/or modify the library.
 
-  Also, for each distributor's protection, we want to make certain
+  To protect each distributor, we want to make it very clear that
-that everyone understands that there is no warranty for this free
+there is no warranty for the free library.  Also, if the library is
-library.  If the library is modified by someone else and passed on, we
+modified by someone else and passed on, the recipients should know
-want its recipients to know that what they have is not the original
+that what they have is not the original version, so that the original
-version, so that any problems introduced by others will not reflect on
+author's reputation will not be affected by problems that might be
-the original authors' reputations.
+introduced by others.
 
-  Finally, any free program is threatened constantly by software
+  Finally, software patents pose a constant threat to the existence of
-patents.  We wish to avoid the danger that companies distributing free
+any free program.  We wish to make sure that a company cannot
-software will individually obtain patent licenses, thus in effect
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-transforming the program into proprietary software.  To prevent this,
+restrictive license from a patent holder.  Therefore, we insist that
-we have made it clear that any patent must be licensed for everyone's
+any patent license obtained for a version of the library must be
-free use or not licensed at all.
+consistent with the full freedom of use specified in this license.
 
-  Most GNU software, including some libraries, is covered by the ordinary
+  Most GNU software, including some libraries, is covered by the
-GNU General Public License, which was designed for utility programs.  This
+ordinary GNU General Public License.  This license, the GNU Lesser
-license, the GNU Library General Public License, applies to certain
+General Public License, applies to certain designated libraries, and
-designated libraries.  This license is quite different from the ordinary
+is quite different from the ordinary General Public License.  We use
-one; be sure to read it in full, and don't assume that anything in it is
+this license for certain libraries in order to permit linking those
-the same as in the ordinary license.
+libraries into non-free programs.
 
-  The reason we have a separate public license for some libraries is that
+  When a program is linked with a library, whether statically or using
-they blur the distinction we usually make between modifying or adding to a
+a shared library, the combination of the two is legally speaking a
-program and simply using it.  Linking a program with a library, without
+combined work, a derivative of the original library.  The ordinary
-changing the library, is in some sense simply using the library, and is
+General Public License therefore permits such linking only if the
-analogous to running a utility program or application program.  However, in
+entire combination fits its criteria of freedom.  The Lesser General
-a textual and legal sense, the linked executable is a combined work, a
+Public License permits more lax criteria for linking other code with
-derivative of the original library, and the ordinary General Public License
+the library.
-treats it as such.
 
-  Because of this blurred distinction, using the ordinary General
+  We call this license the "Lesser" General Public License because it
-Public License for libraries did not effectively promote software
+does Less to protect the user's freedom than the ordinary General
-sharing, because most developers did not use the libraries.  We
+Public License.  It also provides other free software developers Less
-concluded that weaker conditions might promote sharing better.
+of an advantage over competing non-free programs.  These disadvantages
+are the reason we use the ordinary General Public License for many
+libraries.  However, the Lesser license provides advantages in certain
+special circumstances.
 
-  However, unrestricted linking of non-free programs would deprive the
+  For example, on rare occasions, there may be a special need to
-users of those programs of all benefit from the free status of the
+encourage the widest possible use of a certain library, so that it
-libraries themselves.  This Library General Public License is intended to
+becomes a de-facto standard.  To achieve this, non-free programs must
-permit developers of non-free programs to use free libraries, while
+be allowed to use the library.  A more frequent case is that a free
-preserving your freedom as a user of such programs to change the free
+library does the same job as widely used non-free libraries.  In this
-libraries that are incorporated in them.  (We have not seen how to achieve
+case, there is little to gain by limiting the free library to free
-this as regards changes in header files, but we have achieved it as regards
+software only, so we use the Lesser General Public License.
-changes in the actual functions of the Library.)  The hope is that this
+
-will lead to faster development of free libraries.
+  In other cases, permission to use a particular library in non-free
+programs enables a greater number of people to use a large body of
+free software.  For example, permission to use the GNU C Library in
+non-free programs enables many more people to use the whole GNU
+operating system, as well as its variant, the GNU/Linux operating
+system.
+
+  Although the Lesser General Public License is Less protective of the
+users' freedom, it does ensure that the user of a program that is
+linked with the Library has the freedom and the wherewithal to run
+that program using a modified version of the Library.
 
   The precise terms and conditions for copying, distribution and
 modification follow.  Pay close attention to the difference between a
 "work based on the library" and a "work that uses the library".  The
-former contains code derived from the library, while the latter only
+former contains code derived from the library, whereas the latter must
-works together with the library.
+be combined with the library in order to run.
-
-  Note that it is possible for a library to be covered by the ordinary
-General Public License rather than by this special one.
 
-		  GNU LIBRARY GENERAL PUBLIC LICENSE
+                  GNU LESSER GENERAL PUBLIC LICENSE
    TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
 
-  0. This License Agreement applies to any software library which
+  0. This License Agreement applies to any software library or other
-contains a notice placed by the copyright holder or other authorized
+program which contains a notice placed by the copyright holder or
-party saying it may be distributed under the terms of this Library
+other authorized party saying it may be distributed under the terms of
-General Public License (also called "this License").  Each licensee is
+this Lesser General Public License (also called "this License").
-addressed as "you".
+Each licensee is addressed as "you".
 
   A "library" means a collection of software functions and/or data
 prepared so as to be conveniently linked with application programs
@@ -123,8 +138,8 @@ included without limitation in the term "modification".)
   "Source code" for a work means the preferred form of the work for
 making modifications to it.  For a library, complete source code means
 all the source code for all modules it contains, plus any associated
-interface definition files, plus the scripts used to control compilation
+interface definition files, plus the scripts used to control
-and installation of the library.
+compilation and installation of the library.
 
   Activities other than copying, distribution and modification are not
 covered by this License; they are outside its scope.  The act of
@@ -255,7 +270,7 @@ distribute the object code for the work under the terms of Section 6.
 Any executables containing that work also fall under Section 6,
 whether or not they are linked directly with the Library itself.
 
-  6. As an exception to the Sections above, you may also compile or
+  6. As an exception to the Sections above, you may also combine or
 link a "work that uses the Library" with the Library to produce a
 work containing portions of the Library, and distribute that work
 under terms of your choice, provided that the terms permit
@@ -282,23 +297,31 @@ of these things:
     Library will not necessarily be able to recompile the application
     to use the modified definitions.)
 
-    b) Accompany the work with a written offer, valid for at
+    b) Use a suitable shared library mechanism for linking with the
-    least three years, to give the same user the materials
+    Library.  A suitable mechanism is one that (1) uses at run time a
-    specified in Subsection 6a, above, for a charge no more
+    copy of the library already present on the user's computer system,
-    than the cost of performing this distribution.
+    rather than copying library functions into the executable, and (2)
+    will operate properly with a modified version of the library, if
+    the user installs one, as long as the modified version is
+    interface-compatible with the version that the work was made with.
 
-    c) If distribution of the work is made by offering access to copy
+    c) Accompany the work with a written offer, valid for at least
+    three years, to give the same user the materials specified in
+    Subsection 6a, above, for a charge no more than the cost of
+    performing this distribution.
+
+    d) If distribution of the work is made by offering access to copy
     from a designated place, offer equivalent access to copy the above
     specified materials from the same place.
 
-    d) Verify that the user has already received a copy of these
+    e) Verify that the user has already received a copy of these
     materials or that you have already sent this user a copy.
 
   For an executable, the required form of the "work that uses the
 Library" must include any data and utility programs needed for
 reproducing the executable from it.  However, as a special exception,
-the source code distributed need not include anything that is normally
+the materials to be distributed need not include anything that is
-distributed (in either source or binary form) with the major
+normally distributed (in either source or binary form) with the major
 components (compiler, kernel, and so on) of the operating system on
 which the executable runs, unless that component itself accompanies
 the executable.
@@ -347,7 +370,7 @@ Library), the recipient automatically receives a license from the
 original licensor to copy, distribute, link with or modify the Library
 subject to these terms and conditions.  You may not impose any further
 restrictions on the recipients' exercise of the rights granted herein.
-You are not responsible for enforcing compliance by third parties to
+You are not responsible for enforcing compliance by third parties with
 this License.
 
   11. If, as a consequence of a court judgment or allegation of patent
@@ -363,9 +386,10 @@ all those who receive copies directly or indirectly through you, then
 the only way you could satisfy both it and this License would be to
 refrain entirely from distribution of the Library.
 
-If any portion of this section is held invalid or unenforceable under any
+If any portion of this section is held invalid or unenforceable under
-particular circumstance, the balance of the section is intended to apply,
+any particular circumstance, the balance of the section is intended to
-and the section as a whole is intended to apply in other circumstances.
+apply, and the section as a whole is intended to apply in other
+circumstances.
 
 It is not the purpose of this section to induce you to infringe any
 patents or other property right claims or to contest validity of any
@@ -383,14 +407,14 @@ be a consequence of the rest of this License.
 
   12. If the distribution and/or use of the Library is restricted in
 certain countries either by patents or by copyrighted interfaces, the
-original copyright holder who places the Library under this License may add
+original copyright holder who places the Library under this License
-an explicit geographical distribution limitation excluding those countries,
+may add an explicit geographical distribution limitation excluding those
-so that distribution is permitted only in or among countries not thus
+countries, so that distribution is permitted only in or among
-excluded.  In such case, this License incorporates the limitation as if
+countries not thus excluded.  In such case, this License incorporates
-written in the body of this License.
+the limitation as if written in the body of this License.
 
   13. The Free Software Foundation may publish revised and/or new
-versions of the Library General Public License from time to time.
+versions of the Lesser General Public License from time to time.
 Such new versions will be similar in spirit to the present version,
 but may differ in detail to address new problems or concerns.
 
@@ -436,47 +460,51 @@ DAMAGES.
 
                      END OF TERMS AND CONDITIONS
 
-     Appendix: How to Apply These Terms to Your New Libraries
+           How to Apply These Terms to Your New Libraries
 
   If you develop a new library, and you want it to be of the greatest
 possible use to the public, we recommend making it free software that
 everyone can redistribute and change.  You can do so by permitting
-redistribution under these terms (or, alternatively, under the terms of the
+redistribution under these terms (or, alternatively, under the terms
-ordinary General Public License).
+of the ordinary General Public License).
+
+  To apply these terms, attach the following notices to the library.
+It is safest to attach them to the start of each source file to most
+effectively convey the exclusion of warranty; and each file should
+have at least the "copyright" line and a pointer to where the full
+notice is found.
 
-  To apply these terms, attach the following notices to the library.  It is
-safest to attach them to the start of each source file to most effectively
-convey the exclusion of warranty; and each file should have at least the
-"copyright" line and a pointer to where the full notice is found.
 
     <one line to give the library's name and a brief idea of what it does.>
     Copyright (C) <year>  <name of author>
 
     This library is free software; you can redistribute it and/or
-    modify it under the terms of the GNU Library General Public
+    modify it under the terms of the GNU Lesser General Public
     License as published by the Free Software Foundation; either
-    version 2 of the License, or (at your option) any later version.
+    version 2.1 of the License, or (at your option) any later version.
 
     This library is distributed in the hope that it will be useful,
     but WITHOUT ANY WARRANTY; without even the implied warranty of
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-    Library General Public License for more details.
+    Lesser General Public License for more details.
 
-    You should have received a copy of the GNU Library General Public
+    You should have received a copy of the GNU Lesser General Public
-    License along with this library; if not, write to the Free
+    License along with this library; if not, write to the Free Software
-    Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
-    MA 02110-1301, USA
 
 Also add information on how to contact you by electronic and paper mail.
 
-You should also get your employer (if you work as a programmer) or your
+You should also get your employer (if you work as a programmer) or
-school, if any, to sign a "copyright disclaimer" for the library, if
+your school, if any, to sign a "copyright disclaimer" for the library,
-necessary.  Here is a sample; alter the names:
+if necessary.  Here is a sample; alter the names:
 
   Yoyodyne, Inc., hereby disclaims all copyright interest in the
-  library `Frob' (a library for tweaking knobs) written by James Random Hacker.
+  library `Frob' (a library for tweaking knobs) written by James
+  Random Hacker.
 
   <signature of Ty Coon>, 1 April 1990
   Ty Coon, President of Vice
 
 That's all there is to it!
+
+

ChangeLog

@@ -1,3 +1,7 @@
+2016-03-22  Corinna Vinschen  <corinna@vinschen.de>
+
+	* Sync toplevel with upstream GCC.
+
 2015-11-12  Anton Kolesov  <Anton.Kolesov@synopsys.com>
 
 	* COPYING.LIBGLOSS: Add Synopsys license.

Makefile.def

@@ -30,6 +30,8 @@ build_modules= { module= flex; };
 build_modules= { module= m4; };
 build_modules= { module= texinfo; };
 build_modules= { module= fixincludes; };
+build_modules= { module= libcpp;
+                 extra_configure_flags='--disable-nls am_cv_func_iconv=no';};
 
 host_modules= { module= bfd; bootstrap=true; };
 host_modules= { module= opcodes; bootstrap=true; };
@@ -39,14 +41,15 @@ host_modules= { module= cgen; };
 host_modules= { module= dejagnu; };
 host_modules= { module= etc; };
 host_modules= { module= fastjar; no_check_cross= true; };
-host_modules= { module= fixincludes;
+host_modules= { module= fixincludes; bootstrap=true;
 		missing= TAGS; };
 host_modules= { module= flex; no_check_cross= true; };
 host_modules= { module= gas; bootstrap=true; };
 host_modules= { module= gcc; bootstrap=true; 
 		extra_make_flags="$(EXTRA_GCC_FLAGS)"; };
 host_modules= { module= gmp; lib_path=.libs; bootstrap=true;
-		extra_configure_flags='--disable-shared';
+		// Work around in-tree gmp configure bug with missing flex.
+		extra_configure_flags='--disable-shared LEX="touch lex.yy.c"';
 		no_install= true;
 		// none-*-* disables asm optimizations, bootstrap-testing
 		// the compiler more thoroughly.
@@ -56,6 +59,7 @@ host_modules= { module= gmp; lib_path=.libs; bootstrap=true;
 	        target="none-${host_vendor}-${host_os}"; };
 host_modules= { module= mpfr; lib_path=.libs; bootstrap=true;
 		extra_configure_flags='--disable-shared @extra_mpfr_configure_flags@';
+		extra_make_flags='AM_CFLAGS="-DNO_ASM"';
 		no_install= true; };
 host_modules= { module= mpc; lib_path=.libs; bootstrap=true;
 		extra_configure_flags='--disable-shared @extra_mpc_gmp_configure_flags@ @extra_mpc_mpfr_configure_flags@';
@@ -64,11 +68,6 @@ host_modules= { module= isl; lib_path=.libs; bootstrap=true;
 		extra_configure_flags='--disable-shared @extra_isl_gmp_configure_flags@';
 		extra_make_flags='V=1';
 		no_install= true; };
-host_modules= { module= cloog; lib_path=.libs; bootstrap=true;
-		extra_configure_flags='--disable-shared --with-gmp=system --with-bits=gmp --with-isl=system';
-		extra_exports='CPPFLAGS="$(HOST_GMPINC) $(HOST_ISLINC) $$CPPFLAGS"; export CPPFLAGS; LDFLAGS="-L$$r/$(HOST_SUBDIR)/gmp/.libs -L$$r/$(HOST_SUBDIR)/isl/.libs $$LDFLAGS"; export LDFLAGS; ';
-		extra_make_flags='CPPFLAGS="$$CPPFLAGS" LDFLAGS="$$LDFLAGS" V=1';
-		no_install= true; };
 host_modules= { module= libelf; lib_path=.libs; bootstrap=true;
 		extra_configure_flags='--disable-shared';
 		no_install= true; };
@@ -85,11 +84,22 @@ host_modules= { module= libdecnumber; bootstrap=true; };
 host_modules= { module= libgui; };
 host_modules= { module= libiberty; bootstrap=true;
 	        extra_configure_flags='@extra_host_libiberty_configure_flags@';};
+// Linker plugins may need their own build of libiberty; see
+// gcc/doc/install.texi.  We take care that this build of libiberty doesn't get
+// installed.  It's a helper library for linker plugins, so we pay attention to
+// @extra_linker_plugin_flags@ and @extra_linker_plugin_configure_flags@.
+host_modules= { module= libiberty-linker-plugin; bootstrap=true;
+		module_srcdir=libiberty;
+	        extra_configure_flags='@extra_host_libiberty_configure_flags@ --disable-install-libiberty @extra_linker_plugin_flags@ @extra_linker_plugin_configure_flags@';
+		extra_make_flags='@extra_linker_plugin_flags@'; };
 // We abuse missing to avoid installing anything for libiconv.
 host_modules= { module= libiconv;
+		bootstrap=true;
 		extra_configure_flags='--disable-shared';
 		no_install= true;
-		missing= install-info;
+		missing= pdf;
+		missing= html;
+		missing= info;
 		missing= install-pdf;
 		missing= install-html;
 		missing= install-info; };
@@ -98,7 +108,9 @@ host_modules= { module= readline; };
 host_modules= { module= sid; };
 host_modules= { module= sim; };
 host_modules= { module= texinfo; no_install= true; };
-host_modules= { module= zlib; no_install=true; no_check=true; bootstrap=true; };
+host_modules= { module= zlib; no_install=true; no_check=true;
+		bootstrap=true;
+	        extra_configure_flags='@extra_host_zlib_configure_flags@';};
 host_modules= { module= gdb; };
 host_modules= { module= expect; };
 host_modules= { module= guile; };
@@ -111,21 +123,31 @@ host_modules= { module= libtermcap; no_check=true;
 host_modules= { module= utils; no_check=true; };
 host_modules= { module= gnattools; };
 host_modules= { module= lto-plugin; bootstrap=true;
-		extra_configure_flags=--enable-shared; };
+		extra_configure_flags='--enable-shared @extra_linker_plugin_flags@ @extra_linker_plugin_configure_flags@';
+		extra_make_flags='@extra_linker_plugin_flags@'; };
+host_modules= { module= libcc1; extra_configure_flags=--enable-shared; };
+host_modules= { module= gotools; };
 
 target_modules = { module= libstdc++-v3;
 		   bootstrap=true;
 		   lib_path=src/.libs;
 		   raw_cxx=true; };
-target_modules = { module= libmudflap; lib_path=.libs; };
 target_modules = { module= libsanitizer;
 		   bootstrap=true;
 		   lib_path=.libs;
 		   raw_cxx=true; };
+target_modules = { module= libmpx;
+		   bootstrap=true;
+		   lib_path=.libs; };
 target_modules = { module= libvtv;
 		   bootstrap=true;
 		   lib_path=.libs;
 		   raw_cxx=true; };
+target_modules = { module= libcilkrts;
+		   lib_path=.libs; };
+target_modules = { module= liboffloadmic;
+		   lib_path=.libs;
+		   extra_configure_flags='@extra_liboffloadmic_configure_flags@'; };
 target_modules = { module= libssp; lib_path=.libs; };
 target_modules = { module= newlib; };
 target_modules = { module= libgcc; bootstrap=true; no_check=true; };
@@ -270,6 +292,7 @@ flags_to_pass = { flag= LIBCFLAGS_FOR_TARGET ; };
 flags_to_pass = { flag= LIBCXXFLAGS_FOR_TARGET ; };
 flags_to_pass = { flag= NM_FOR_TARGET ; };
 flags_to_pass = { flag= OBJDUMP_FOR_TARGET ; };
+flags_to_pass = { flag= OBJCOPY_FOR_TARGET ; };
 flags_to_pass = { flag= RANLIB_FOR_TARGET ; };
 flags_to_pass = { flag= READELF_FOR_TARGET ; };
 flags_to_pass = { flag= STRIP_FOR_TARGET ; };
@@ -291,26 +314,32 @@ dependencies = { module=all-build-flex; on=all-build-m4; };
 dependencies = { module=all-build-libiberty; on=all-build-texinfo; };
 dependencies = { module=all-build-m4; on=all-build-texinfo; };
 dependencies = { module=all-build-fixincludes; on=all-build-libiberty; };
+dependencies = { module=all-build-libcpp; on=all-build-libiberty; };
 
 // Host modules specific to gcc.
 dependencies = { module=configure-gcc; on=configure-intl; };
 dependencies = { module=configure-gcc; on=all-gmp; };
+dependencies = { module=configure-gcc; on=all-mpfr; };
+dependencies = { module=configure-gcc; on=all-mpc; };
+dependencies = { module=configure-gcc; on=all-isl; };
 dependencies = { module=configure-gcc; on=all-lto-plugin; };
 dependencies = { module=configure-gcc; on=all-binutils; };
 dependencies = { module=configure-gcc; on=all-gas; };
 dependencies = { module=configure-gcc; on=all-ld; };
 dependencies = { module=configure-gcc; on=all-gold; };
 dependencies = { module=configure-gcc; on=all-libelf; };
+dependencies = { module=configure-gcc; on=all-libiconv; };
 dependencies = { module=all-gcc; on=all-libiberty; hard=true; };
 dependencies = { module=all-gcc; on=all-intl; };
 dependencies = { module=all-gcc; on=all-mpfr; };
 dependencies = { module=all-gcc; on=all-mpc; };
-dependencies = { module=all-gcc; on=all-cloog; };
+dependencies = { module=all-gcc; on=all-isl; };
 dependencies = { module=all-gcc; on=all-build-texinfo; };
 dependencies = { module=all-gcc; on=all-build-bison; };
 dependencies = { module=all-gcc; on=all-build-flex; };
 dependencies = { module=all-gcc; on=all-build-libiberty; };
 dependencies = { module=all-gcc; on=all-build-fixincludes; };
+dependencies = { module=all-gcc; on=all-build-libcpp; };
 dependencies = { module=all-gcc; on=all-zlib; };
 dependencies = { module=all-gcc; on=all-libbacktrace; hard=true; };
 dependencies = { module=all-gcc; on=all-libcpp; hard=true; };
@@ -318,6 +347,7 @@ dependencies = { module=all-gcc; on=all-libdecnumber; hard=true; };
 dependencies = { module=all-gcc; on=all-libiberty; };
 dependencies = { module=all-gcc; on=all-fixincludes; };
 dependencies = { module=all-gcc; on=all-lto-plugin; };
+dependencies = { module=all-gcc; on=all-libiconv; };
 dependencies = { module=info-gcc; on=all-build-libiberty; };
 dependencies = { module=dvi-gcc; on=all-build-libiberty; };
 dependencies = { module=pdf-gcc; on=all-build-libiberty; };
@@ -329,22 +359,33 @@ dependencies = { module=install-strip-gcc ; on=install-strip-lto-plugin; };
 
 dependencies = { module=configure-libcpp; on=configure-libiberty; hard=true; };
 dependencies = { module=configure-libcpp; on=configure-intl; };
+dependencies = { module=configure-libcpp; on=all-libiconv; };
 dependencies = { module=all-libcpp; on=all-libiberty; hard=true; };
 dependencies = { module=all-libcpp; on=all-intl; };
+dependencies = { module=all-libcpp; on=all-libiconv; };
 
 dependencies = { module=all-fixincludes; on=all-libiberty; };
 
 dependencies = { module=all-gnattools; on=all-target-libada; };
+dependencies = { module=all-gnattools; on=all-target-libstdc++-v3; };
 
+// Depending on the specific configuration, the LTO plugin will either use the
+// generic libiberty build or the specific build for linker plugins.
 dependencies = { module=all-lto-plugin; on=all-libiberty; };
+dependencies = { module=all-lto-plugin; on=all-libiberty-linker-plugin; };
+
+dependencies = { module=configure-libcc1; on=configure-gcc; };
+dependencies = { module=all-libcc1; on=all-gcc; };
+
+dependencies = { module=all-gotools; on=all-target-libgo; };
 
 dependencies = { module=all-utils; on=all-libiberty; };
 
+dependencies = { module=configure-intl; on=all-libiconv; };
 dependencies = { module=configure-mpfr; on=all-gmp; };
 dependencies = { module=configure-mpc; on=all-mpfr; };
 dependencies = { module=configure-isl; on=all-gmp; };
-dependencies = { module=configure-cloog; on=all-isl; };
+dependencies = { module=all-intl; on=all-libiconv; };
-dependencies = { module=configure-cloog; on=all-gmp; };
 
 // Host modules specific to gdb.
 dependencies = { module=configure-gdb; on=all-intl; };
@@ -373,6 +414,7 @@ dependencies = { module=configure-bfd; on=configure-libiberty; hard=true; };
 dependencies = { module=configure-bfd; on=configure-intl; };
 dependencies = { module=all-bfd; on=all-libiberty; };
 dependencies = { module=all-bfd; on=all-intl; };
+dependencies = { module=all-bfd; on=all-zlib; };
 dependencies = { module=configure-opcodes; on=configure-libiberty; hard=true; };
 dependencies = { module=all-opcodes; on=all-libiberty; };
 
@@ -417,6 +459,7 @@ dependencies = { module=all-ld; on=all-build-bison; };
 dependencies = { module=all-ld; on=all-build-flex; };
 dependencies = { module=all-ld; on=all-intl; };
 dependencies = { module=all-ld; on=all-gas; };
+dependencies = { module=all-ld; on=all-binutils; };
 dependencies = { module=install-ld; on=install-gold; };
 dependencies = { module=install-strip-ld; on=install-strip-gold; };
 dependencies = { module=configure-gold; on=configure-intl; };
@@ -492,6 +535,9 @@ dependencies = { module=all-m4; on=all-build-texinfo; };
 // on libgcc and newlib/libgloss.
 lang_env_dependencies = { module=libjava; cxx=true; };
 lang_env_dependencies = { module=libitm; cxx=true; };
+lang_env_dependencies = { module=libffi; cxx=true; };
+lang_env_dependencies = { module=libcilkrts; cxx=true; };
+lang_env_dependencies = { module=liboffloadmic; cxx=true; };
 lang_env_dependencies = { module=newlib; no_c=true; };
 lang_env_dependencies = { module=libgloss; no_c=true; };
 lang_env_dependencies = { module=libgcc; no_gcc=true; no_c=true; };
@@ -518,12 +564,14 @@ dependencies = { module=all-target-libjava; on=all-target-libffi; };
 dependencies = { module=configure-target-libobjc; on=configure-target-boehm-gc; };
 dependencies = { module=all-target-libobjc; on=all-target-boehm-gc; };
 dependencies = { module=configure-target-libstdc++-v3; on=configure-target-libgomp; };
+dependencies = { module=configure-target-liboffloadmic; on=configure-target-libgomp; };
 dependencies = { module=configure-target-libsanitizer; on=all-target-libstdc++-v3; };
 dependencies = { module=configure-target-libvtv; on=all-target-libstdc++-v3; };
 // parallel_list.o and parallel_settings.o depend on omp.h, which is
 // generated by the libgomp configure.  Unfortunately, due to the use of
 //  recursive make, we can't be that specific.
 dependencies = { module=all-target-libstdc++-v3; on=configure-target-libgomp; };
+dependencies = { module=all-target-liboffloadmic; on=all-target-libgomp; };
 
 dependencies = { module=install-target-libgo; on=install-target-libatomic; };
 dependencies = { module=install-target-libgfortran; on=install-target-libquadmath; };
@@ -532,6 +580,10 @@ dependencies = { module=install-target-libsanitizer; on=install-target-libstdc++
 dependencies = { module=install-target-libsanitizer; on=install-target-libgcc; };
 dependencies = { module=install-target-libvtv; on=install-target-libstdc++-v3; };
 dependencies = { module=install-target-libvtv; on=install-target-libgcc; };
+dependencies = { module=install-target-libcilkrts; on=install-target-libstdc++-v3; };
+dependencies = { module=install-target-libcilkrts; on=install-target-libgcc; };
+dependencies = { module=install-target-liboffloadmic; on=install-target-libstdc++-v3; };
+dependencies = { module=install-target-liboffloadmic; on=install-target-libgcc; };
 dependencies = { module=install-target-libjava; on=install-target-libgcc; };
 dependencies = { module=install-target-libitm; on=install-target-libgcc; };
 dependencies = { module=install-target-libobjc; on=install-target-libgcc; };
@@ -547,11 +599,11 @@ dependencies = { module=all-target-winsup; on=all-target-libtermcap; };
 dependencies = { module=configure-target-newlib; on=all-binutils; };
 dependencies = { module=configure-target-newlib; on=all-ld; };
 dependencies = { module=configure-target-libgfortran; on=all-target-libquadmath; };
+dependencies = { module=configure-target-libgfortran; on=all-target-libbacktrace; };
 
 languages = { language=c;	gcc-check-target=check-gcc; };
 languages = { language=c++;	gcc-check-target=check-c++;
 				lib-check-target=check-target-libstdc++-v3;
-				lib-check-target=check-target-libmudflap-c++;
 				lib-check-target=check-target-libitm-c++;
 				lib-check-target=check-target-libgomp-c++; };
 languages = { language=fortran;	gcc-check-target=check-fortran;

Makefile.tpl

@@ -169,7 +169,7 @@ BUILD_EXPORTS = \
 	WINDMC="$(WINDMC_FOR_BUILD)"; export WINDMC;
 
 # These variables must be set on the make command line for directories
-# built for the build system to override those in BASE_FLAGS_TO_PASSS.
+# built for the build system to override those in BASE_FLAGS_TO_PASS.
 EXTRA_BUILD_FLAGS = \
 	CFLAGS="$(CFLAGS_FOR_BUILD)" \
 	LDFLAGS="$(LDFLAGS_FOR_BUILD)"
@@ -216,17 +216,19 @@ HOST_EXPORTS = \
 	LD_FOR_TARGET="$(LD_FOR_TARGET)"; export LD_FOR_TARGET; \
 	NM_FOR_TARGET="$(NM_FOR_TARGET)"; export NM_FOR_TARGET; \
 	OBJDUMP_FOR_TARGET="$(OBJDUMP_FOR_TARGET)"; export OBJDUMP_FOR_TARGET; \
+	OBJCOPY_FOR_TARGET="$(OBJCOPY_FOR_TARGET)"; export OBJCOPY_FOR_TARGET; \
 	RANLIB_FOR_TARGET="$(RANLIB_FOR_TARGET)"; export RANLIB_FOR_TARGET; \
 	READELF_FOR_TARGET="$(READELF_FOR_TARGET)"; export READELF_FOR_TARGET; \
 	TOPLEVEL_CONFIGURE_ARGUMENTS="$(TOPLEVEL_CONFIGURE_ARGUMENTS)"; export TOPLEVEL_CONFIGURE_ARGUMENTS; \
 	HOST_LIBS="$(STAGE1_LIBS)"; export HOST_LIBS; \
 	GMPLIBS="$(HOST_GMPLIBS)"; export GMPLIBS; \
 	GMPINC="$(HOST_GMPINC)"; export GMPINC; \
+	ISLLIBS="$(HOST_ISLLIBS)"; export ISLLIBS; \
 	ISLINC="$(HOST_ISLINC)"; export ISLINC; \
-	CLOOGLIBS="$(HOST_CLOOGLIBS)"; export CLOOGLIBS; \
+	ISLVER="$(HOST_ISLVER)"; export ISLVER; \
-	CLOOGINC="$(HOST_CLOOGINC)"; export CLOOGINC; \
 	LIBELFLIBS="$(HOST_LIBELFLIBS)"; export LIBELFLIBS; \
 	LIBELFINC="$(HOST_LIBELFINC)"; export LIBELFINC; \
+	XGCC_FLAGS_FOR_TARGET="$(XGCC_FLAGS_FOR_TARGET)"; export XGCC_FLAGS_FOR_TARGET; \
 @if gcc-bootstrap
 	$(RPATH_ENVVAR)=`echo "$(TARGET_LIB_PATH)$$$(RPATH_ENVVAR)" | sed 's,::*,:,g;s,^:*,,;s,:*$$,,'`; export $(RPATH_ENVVAR); \
 @endif gcc-bootstrap
@@ -242,9 +244,9 @@ POSTSTAGE1_CXX_EXPORT = \
 	  -B$$r/$(HOST_SUBDIR)/prev-gcc/ -B$(build_tooldir)/bin/ -nostdinc++ \
 	  -B$$r/prev-$(TARGET_SUBDIR)/libstdc++-v3/src/.libs \
 	  -B$$r/prev-$(TARGET_SUBDIR)/libstdc++-v3/libsupc++/.libs \
-	  -I$$r/prev-$(TARGET_SUBDIR)/libstdc++-v3/include/$(TARGET_SUBDIR) \
+	  `if $(LEAN); then echo ' -isystem '; else echo ' -I'; fi`$$r/prev-$(TARGET_SUBDIR)/libstdc++-v3/include/$(TARGET_SUBDIR) \
-	  -I$$r/prev-$(TARGET_SUBDIR)/libstdc++-v3/include \
+	  `if $(LEAN); then echo ' -isystem '; else echo ' -I'; fi`$$r/prev-$(TARGET_SUBDIR)/libstdc++-v3/include \
-	  -I$$s/libstdc++-v3/libsupc++ \
+	  `if $(LEAN); then echo ' -isystem '; else echo ' -I'; fi`$$s/libstdc++-v3/libsupc++ \
 	  -L$$r/prev-$(TARGET_SUBDIR)/libstdc++-v3/src/.libs \
 	  -L$$r/prev-$(TARGET_SUBDIR)/libstdc++-v3/libsupc++/.libs"; \
 	  export CXX; \
@@ -259,6 +261,7 @@ POSTSTAGE1_HOST_EXPORTS = \
 	  $(XGCC_FLAGS_FOR_TARGET) $$TFLAGS"; export CC; \
 	CC_FOR_BUILD="$$CC"; export CC_FOR_BUILD; \
 	$(POSTSTAGE1_CXX_EXPORT) \
+	$(LTO_EXPORTS) \
 	GNATBIND="$$r/$(HOST_SUBDIR)/prev-gcc/gnatbind"; export GNATBIND; \
 	LDFLAGS="$(POSTSTAGE1_LDFLAGS) $(BOOT_LDFLAGS)"; export LDFLAGS; \
 	HOST_LIBS="$(POSTSTAGE1_LIBS)"; export HOST_LIBS;
@@ -288,6 +291,7 @@ BASE_TARGET_EXPORTS = \
 	LIPO="$(LIPO_FOR_TARGET)"; export LIPO; \
 	NM="$(COMPILER_NM_FOR_TARGET)"; export NM; \
 	OBJDUMP="$(OBJDUMP_FOR_TARGET)"; export OBJDUMP; \
+	OBJCOPY="$(OBJCOPY_FOR_TARGET)"; export OBJCOPY; \
 	RANLIB="$(RANLIB_FOR_TARGET)"; export RANLIB; \
 	READELF="$(READELF_FOR_TARGET)"; export READELF; \
 	STRIP="$(STRIP_FOR_TARGET)"; export STRIP; \
@@ -312,12 +316,10 @@ NORMAL_TARGET_EXPORTS = \
 HOST_GMPLIBS = @gmplibs@
 HOST_GMPINC = @gmpinc@
 
-# Where to find ISL
+# Where to find isl
+HOST_ISLLIBS = @isllibs@
 HOST_ISLINC = @islinc@
-
+HOST_ISLVER = @islver@
-# Where to find CLOOG
-HOST_CLOOGLIBS = @clooglibs@
-HOST_CLOOGINC = @clooginc@
 
 # Where to find libelf
 HOST_LIBELFLIBS = @libelflibs@
@@ -436,11 +438,9 @@ STAGE[+id+]_TFLAGS = $(STAGE_TFLAGS)
 STAGE[+id+]_CONFIGURE_FLAGS = $(STAGE_CONFIGURE_FLAGS)
 [+ ENDFOR bootstrap-stage +]
 
-# Only build the C compiler for stage1, because that is the only one that
+# By default, C and C++ are the only stage1 languages, because they are the
-# we can guarantee will build with the native compiler, and also it is the
+# only ones we require to build with the bootstrap compiler, and also the
-# only thing useful for building stage2. STAGE1_CFLAGS (via CFLAGS),
+# only ones useful for building stage2.
-# MAKEINFO and MAKEINFOFLAGS are explicitly passed here to make them
-# overrideable (for a bootstrap build stage1 also builds gcc.info).
 
 STAGE1_CFLAGS = @stage1_cflags@
 STAGE1_CHECKING = @stage1_checking@
@@ -451,8 +451,10 @@ STAGE1_LANGUAGES = @stage1_languages@
 #   the last argument when conflicting --enable arguments are passed.
 # * Likewise, we force-disable coverage flags, since the installed
 #   compiler probably has never heard of them.
+# * We also disable -Wformat, since older GCCs don't understand newer %s.
 STAGE1_CONFIGURE_FLAGS = --disable-intermodule $(STAGE1_CHECKING) \
-	  --disable-coverage --enable-languages="$(STAGE1_LANGUAGES)"
+	  --disable-coverage --enable-languages="$(STAGE1_LANGUAGES)" \
+	  --disable-build-format-warnings
 
 STAGEprofile_CFLAGS = $(STAGE2_CFLAGS) -fprofile-generate
 STAGEprofile_TFLAGS = $(STAGE2_TFLAGS)
@@ -487,6 +489,7 @@ LD_FOR_TARGET=@LD_FOR_TARGET@
 LIPO_FOR_TARGET=@LIPO_FOR_TARGET@
 NM_FOR_TARGET=@NM_FOR_TARGET@
 OBJDUMP_FOR_TARGET=@OBJDUMP_FOR_TARGET@
+OBJCOPY_FOR_TARGET=@OBJCOPY_FOR_TARGET@
 RANLIB_FOR_TARGET=@RANLIB_FOR_TARGET@
 READELF_FOR_TARGET=@READELF_FOR_TARGET@
 STRIP_FOR_TARGET=@STRIP_FOR_TARGET@
@@ -577,7 +580,9 @@ CXX_FOR_TARGET_FLAG_TO_PASS = \
 	$(shell if echo "$(CXX_FOR_TARGET)" | grep " -funconfigured-" > /dev/null; then :; else echo '"CXX_FOR_TARGET=$(CXX_FOR_TARGET)"'; fi)
 @endif target-libstdc++-v3
 
-# Flags to pass down to all sub-makes.
+# Flags to pass down to all sub-makes. STAGE*FLAGS,
+# MAKEINFO and MAKEINFOFLAGS are explicitly passed here to make them
+# overrideable (for a bootstrap build stage1 also builds gcc.info).
 BASE_FLAGS_TO_PASS =[+ FOR flags_to_pass +][+ IF optional +] \
 	"`echo '[+flag+]=$([+flag+])' | sed -e s'/[^=][^=]*=$$/XFOO=/'`"[+ ELSE optional +] \
 	"[+flag+]=$([+flag+])"[+ ENDIF optional+][+ ENDFOR flags_to_pass +][+ FOR bootstrap-stage +] \
@@ -587,7 +592,8 @@ BASE_FLAGS_TO_PASS =[+ FOR flags_to_pass +][+ IF optional +] \
 	$(CXX_FOR_TARGET_FLAG_TO_PASS) \
 	"TFLAGS=$(TFLAGS)" \
 	"CONFIG_SHELL=$(SHELL)" \
-	"MAKEINFO=$(MAKEINFO) $(MAKEINFOFLAGS)" 
+	"MAKEINFO=$(MAKEINFO) $(MAKEINFOFLAGS)" \
+	$(if $(LSAN_OPTIONS),"LSAN_OPTIONS=$(LSAN_OPTIONS)")
 
 # We leave this in just in case, but it is not needed anymore.
 RECURSE_FLAGS_TO_PASS = $(BASE_FLAGS_TO_PASS)
@@ -629,8 +635,17 @@ POSTSTAGE1_FLAGS_TO_PASS = \
 	GNATBIND="$${GNATBIND}" \
 	LDFLAGS="$${LDFLAGS}" \
 	HOST_LIBS="$${HOST_LIBS}" \
+	$(LTO_FLAGS_TO_PASS) \
 	"`echo 'ADAFLAGS=$(BOOT_ADAFLAGS)' | sed -e s'/[^=][^=]*=$$/XFOO=/'`"
 
+@if gcc-bootstrap
+EXTRA_HOST_EXPORTS = if [ $(current_stage) != stage1 ]; then \
+		       $(POSTSTAGE1_HOST_EXPORTS) \
+		     fi;
+
+EXTRA_BOOTSTRAP_FLAGS = CC="$$CC" CXX="$$CXX" LDFLAGS="$$LDFLAGS"
+@endif gcc-bootstrap
+
 # Flags to pass down to makes which are built with the target environment.
 # The double $ decreases the length of the command line; those variables
 # are set in BASE_FLAGS_TO_PASS, and the sub-make will expand them.  The
@@ -641,7 +656,9 @@ EXTRA_TARGET_FLAGS = \
 	'AS=$(COMPILER_AS_FOR_TARGET)' \
 	'CC=$$(CC_FOR_TARGET) $$(XGCC_FLAGS_FOR_TARGET) $$(TFLAGS)' \
 	'CFLAGS=$$(CFLAGS_FOR_TARGET)' \
-	'CXX=$$(CXX_FOR_TARGET) $$(XGCC_FLAGS_FOR_TARGET) $$(TFLAGS)' \
+	'CXX=$$(CXX_FOR_TARGET) -B$$r/$$(TARGET_SUBDIR)/libstdc++-v3/src/.libs \
+	 -B$$r/$$(TARGET_SUBDIR)/libstdc++-v3/libsupc++/.libs \
+	 $$(XGCC_FLAGS_FOR_TARGET) $$(TFLAGS)' \
 	'CXXFLAGS=$$(CXXFLAGS_FOR_TARGET)' \
 	'DLLTOOL=$$(DLLTOOL_FOR_TARGET)' \
 	'GCJ=$$(GCJ_FOR_TARGET) $$(XGCC_FLAGS_FOR_TARGET) $$(TFLAGS)' \
@@ -654,11 +671,14 @@ EXTRA_TARGET_FLAGS = \
 	'LIBCXXFLAGS=$$(LIBCXXFLAGS_FOR_TARGET)' \
 	'NM=$(COMPILER_NM_FOR_TARGET)' \
 	'OBJDUMP=$$(OBJDUMP_FOR_TARGET)' \
+	'OBJCOPY=$$(OBJCOPY_FOR_TARGET)' \
 	'RANLIB=$$(RANLIB_FOR_TARGET)' \
 	'READELF=$$(READELF_FOR_TARGET)' \
 	'WINDRES=$$(WINDRES_FOR_TARGET)' \
 	'WINDMC=$$(WINDMC_FOR_TARGET)' \
 	'XGCC_FLAGS_FOR_TARGET=$(XGCC_FLAGS_FOR_TARGET)' \
+	'STAGE1_LDFLAGS=$$(POSTSTAGE1_LDFLAGS)' \
+	'STAGE1_LIBS=$$(POSTSTAGE1_LIBS)' \
 	"TFLAGS=$$TFLAGS"
 
 TARGET_FLAGS_TO_PASS = $(BASE_FLAGS_TO_PASS) $(EXTRA_TARGET_FLAGS)
@@ -861,6 +881,27 @@ mail-report-with-warnings.log: warning.log
 	chmod +x $@
 	echo If you really want to send e-mail, run ./$@ now
 
+# Local Vim config
+
+$(srcdir)/.local.vimrc:
+	$(LN_S) contrib/vimrc $@
+
+$(srcdir)/.lvimrc:
+	$(LN_S) contrib/vimrc $@
+
+vimrc: $(srcdir)/.local.vimrc $(srcdir)/.lvimrc
+
+.PHONY: vimrc
+
+# clang-format config
+
+$(srcdir)/.clang-format:
+	$(LN_S) contrib/clang-format $@
+
+clang-format: $(srcdir)/.clang-format
+
+.PHONY: clang-format
+
 # Installation targets.
 
 .PHONY: install uninstall
@@ -1000,12 +1041,13 @@ configure-[+prefix+][+module+]: [+ IF bootstrap +][+ ELSE +]
 	  *) topdir=`echo [+subdir+]/[+module+]/ | \
 		sed -e 's,\./,,g' -e 's,[^/]*/,../,g' `$(srcdir) ;; \
 	esac; \
-	srcdiroption="--srcdir=$${topdir}/[+module+]"; \
+	module_srcdir=[+? module_srcdir (get "module_srcdir") (get "module")+]; \
-	libsrcdir="$$s/[+module+]"; \
 	[+ IF no-config-site +]rm -f no-such-file || : ; \
-	CONFIG_SITE=no-such-file [+ ENDIF +]$(SHELL) $${libsrcdir}/configure \
+	CONFIG_SITE=no-such-file [+ ENDIF +]$(SHELL) \
+	  $$s/$$module_srcdir/configure \
+	  --srcdir=$${topdir}/$$module_srcdir \
 	  [+args+] --build=${build_alias} --host=[+host_alias+] \
-	  --target=[+target_alias+] $${srcdiroption} [+extra_configure_flags+] \
+	  --target=[+target_alias+] [+extra_configure_flags+] \
 	  || exit 1
 @endif [+prefix+][+module+]
 
@@ -1053,12 +1095,12 @@ configure-stage[+id+]-[+prefix+][+module+]:
 	  *) topdir=`echo [+subdir+]/[+module+]/ | \
 		sed -e 's,\./,,g' -e 's,[^/]*/,../,g' `$(srcdir) ;; \
 	esac; \
-	srcdiroption="--srcdir=$${topdir}/[+module+]"; \
+	module_srcdir=[+? module_srcdir (get "module_srcdir") (get "module")+]; \
-	libsrcdir="$$s/[+module+]"; \
+	$(SHELL) $$s/$$module_srcdir/configure \
-	$(SHELL) $${libsrcdir}/configure \
+	  --srcdir=$${topdir}/$$module_srcdir \
 	  [+args+] --build=${build_alias} --host=[+host_alias+] \
-	  --target=[+target_alias+] $${srcdiroption} [+ IF prev +]\
+	  --target=[+target_alias+] \
-	  --with-build-libsubdir=$(HOST_SUBDIR) [+ ENDIF prev +]\
+	  [+ IF prev +]--with-build-libsubdir=$(HOST_SUBDIR)[+ ENDIF prev +] \
 	  $(STAGE[+id+]_CONFIGURE_FLAGS)[+ IF extra_configure_flags +] \
 	  [+extra_configure_flags+][+ ENDIF extra_configure_flags +]
 @endif [+prefix+][+module+]-bootstrap
@@ -1182,18 +1224,22 @@ check-[+module+]:
 	@if [ '$(host)' = '$(target)' ]; then \
 	  r=`${PWD_COMMAND}`; export r; \
 	  s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
-	  $(HOST_EXPORTS) \
+	  $(HOST_EXPORTS) [+ IF bootstrap +]$(EXTRA_HOST_EXPORTS)[+
+	  ENDIF bootstrap +] \
 	  (cd $(HOST_SUBDIR)/[+module+] && \
-	    $(MAKE) $(FLAGS_TO_PASS) [+extra_make_flags+] check); \
+	    $(MAKE) $(FLAGS_TO_PASS) [+extra_make_flags+][+
+	    IF bootstrap +] $(EXTRA_BOOTSTRAP_FLAGS)[+ ENDIF bootstrap +] check)
 	fi
 [+ ELSE check +]
 check-[+module+]:
 	@: $(MAKE); $(unstage)
 	@r=`${PWD_COMMAND}`; export r; \
 	s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
-	$(HOST_EXPORTS) \
+	$(HOST_EXPORTS) [+ IF bootstrap +]$(EXTRA_HOST_EXPORTS)[+
+	ENDIF bootstrap +] \
 	(cd $(HOST_SUBDIR)/[+module+] && \
-	  $(MAKE) $(FLAGS_TO_PASS) [+extra_make_flags+] check)
+	  $(MAKE) $(FLAGS_TO_PASS) [+extra_make_flags+][+
+	  IF bootstrap +] $(EXTRA_BOOTSTRAP_FLAGS)[+ ENDIF bootstrap +] check)
 [+ ENDIF no_check +]
 @endif [+module+]
 
@@ -1404,13 +1450,6 @@ ENDIF raw_cxx +]
 [+ ENDFOR recursive_targets +]
 [+ ENDFOR target_modules +]
 
-@if target-libmudflap
-.PHONY: check-target-libmudflap-c++
-check-target-libmudflap-c++:
-	$(MAKE) RUNTESTFLAGS="$(RUNTESTFLAGS) c++frags.exp" check-target-libmudflap
-
-@endif target-libmudflap
-
 @if target-libgomp
 .PHONY: check-target-libgomp-c++
 check-target-libgomp-c++:

compile

@@ -1,10 +1,9 @@
 #! /bin/sh
-# Wrapper for compilers which do not understand `-c -o'.
+# Wrapper for compilers which do not understand '-c -o'.
 
-scriptversion=2009-04-28.21; # UTC
+scriptversion=2012-10-14.11; # UTC
 
-# Copyright (C) 1999, 2000, 2003, 2004, 2005, 2009  Free Software
+# Copyright (C) 1999-2014 Free Software Foundation, Inc.
-# Foundation, Inc.
 # Written by Tom Tromey <tromey@cygnus.com>.
 #
 # This program is free software; you can redistribute it and/or modify
@@ -29,21 +28,224 @@ scriptversion=2009-04-28.21; # UTC
 # bugs to <bug-automake@gnu.org> or send patches to
 # <automake-patches@gnu.org>.
 
+nl='
+'
+
+# We need space, tab and new line, in precisely that order.  Quoting is
+# there to prevent tools from complaining about whitespace usage.
+IFS=" ""	$nl"
+
+file_conv=
+
+# func_file_conv build_file lazy
+# Convert a $build file to $host form and store it in $file
+# Currently only supports Windows hosts. If the determined conversion
+# type is listed in (the comma separated) LAZY, no conversion will
+# take place.
+func_file_conv ()
+{
+  file=$1
+  case $file in
+    / | /[!/]*) # absolute file, and not a UNC file
+      if test -z "$file_conv"; then
+	# lazily determine how to convert abs files
+	case `uname -s` in
+	  MINGW*)
+	    file_conv=mingw
+	    ;;
+	  CYGWIN*)
+	    file_conv=cygwin
+	    ;;
+	  *)
+	    file_conv=wine
+	    ;;
+	esac
+      fi
+      case $file_conv/,$2, in
+	*,$file_conv,*)
+	  ;;
+	mingw/*)
+	  file=`cmd //C echo "$file " | sed -e 's/"\(.*\) " *$/\1/'`
+	  ;;
+	cygwin/*)
+	  file=`cygpath -m "$file" || echo "$file"`
+	  ;;
+	wine/*)
+	  file=`winepath -w "$file" || echo "$file"`
+	  ;;
+      esac
+      ;;
+  esac
+}
+
+# func_cl_dashL linkdir
+# Make cl look for libraries in LINKDIR
+func_cl_dashL ()
+{
+  func_file_conv "$1"
+  if test -z "$lib_path"; then
+    lib_path=$file
+  else
+    lib_path="$lib_path;$file"
+  fi
+  linker_opts="$linker_opts -LIBPATH:$file"
+}
+
+# func_cl_dashl library
+# Do a library search-path lookup for cl
+func_cl_dashl ()
+{
+  lib=$1
+  found=no
+  save_IFS=$IFS
+  IFS=';'
+  for dir in $lib_path $LIB
+  do
+    IFS=$save_IFS
+    if $shared && test -f "$dir/$lib.dll.lib"; then
+      found=yes
+      lib=$dir/$lib.dll.lib
+      break
+    fi
+    if test -f "$dir/$lib.lib"; then
+      found=yes
+      lib=$dir/$lib.lib
+      break
+    fi
+    if test -f "$dir/lib$lib.a"; then
+      found=yes
+      lib=$dir/lib$lib.a
+      break
+    fi
+  done
+  IFS=$save_IFS
+
+  if test "$found" != yes; then
+    lib=$lib.lib
+  fi
+}
+
+# func_cl_wrapper cl arg...
+# Adjust compile command to suit cl
+func_cl_wrapper ()
+{
+  # Assume a capable shell
+  lib_path=
+  shared=:
+  linker_opts=
+  for arg
+  do
+    if test -n "$eat"; then
+      eat=
+    else
+      case $1 in
+	-o)
+	  # configure might choose to run compile as 'compile cc -o foo foo.c'.
+	  eat=1
+	  case $2 in
+	    *.o | *.[oO][bB][jJ])
+	      func_file_conv "$2"
+	      set x "$@" -Fo"$file"
+	      shift
+	      ;;
+	    *)
+	      func_file_conv "$2"
+	      set x "$@" -Fe"$file"
+	      shift
+	      ;;
+	  esac
+	  ;;
+	-I)
+	  eat=1
+	  func_file_conv "$2" mingw
+	  set x "$@" -I"$file"
+	  shift
+	  ;;
+	-I*)
+	  func_file_conv "${1#-I}" mingw
+	  set x "$@" -I"$file"
+	  shift
+	  ;;
+	-l)
+	  eat=1
+	  func_cl_dashl "$2"
+	  set x "$@" "$lib"
+	  shift
+	  ;;
+	-l*)
+	  func_cl_dashl "${1#-l}"
+	  set x "$@" "$lib"
+	  shift
+	  ;;
+	-L)
+	  eat=1
+	  func_cl_dashL "$2"
+	  ;;
+	-L*)
+	  func_cl_dashL "${1#-L}"
+	  ;;
+	-static)
+	  shared=false
+	  ;;
+	-Wl,*)
+	  arg=${1#-Wl,}
+	  save_ifs="$IFS"; IFS=','
+	  for flag in $arg; do
+	    IFS="$save_ifs"
+	    linker_opts="$linker_opts $flag"
+	  done
+	  IFS="$save_ifs"
+	  ;;
+	-Xlinker)
+	  eat=1
+	  linker_opts="$linker_opts $2"
+	  ;;
+	-*)
+	  set x "$@" "$1"
+	  shift
+	  ;;
+	*.cc | *.CC | *.cxx | *.CXX | *.[cC]++)
+	  func_file_conv "$1"
+	  set x "$@" -Tp"$file"
+	  shift
+	  ;;
+	*.c | *.cpp | *.CPP | *.lib | *.LIB | *.Lib | *.OBJ | *.obj | *.[oO])
+	  func_file_conv "$1" mingw
+	  set x "$@" "$file"
+	  shift
+	  ;;
+	*)
+	  set x "$@" "$1"
+	  shift
+	  ;;
+      esac
+    fi
+    shift
+  done
+  if test -n "$linker_opts"; then
+    linker_opts="-link$linker_opts"
+  fi
+  exec "$@" $linker_opts
+  exit 1
+}
+
+eat=
+
 case $1 in
   '')
-     echo "$0: No command.  Try \`$0 --help' for more information." 1>&2
+     echo "$0: No command.  Try '$0 --help' for more information." 1>&2
      exit 1;
      ;;
   -h | --h*)
     cat <<\EOF
 Usage: compile [--help] [--version] PROGRAM [ARGS]
 
-Wrapper for compilers which do not understand `-c -o'.
+Wrapper for compilers which do not understand '-c -o'.
-Remove `-o dest.o' from ARGS, run PROGRAM with the remaining
+Remove '-o dest.o' from ARGS, run PROGRAM with the remaining
 arguments, and rename the output as expected.
 
 If you are trying to build a whole package this is not the
-right script to run: please start by reading the file `INSTALL'.
+right script to run: please start by reading the file 'INSTALL'.
 
 Report bugs to <bug-automake@gnu.org>.
 EOF
@@ -53,11 +255,13 @@ EOF
     echo "compile $scriptversion"
     exit $?
     ;;
+  cl | *[/\\]cl | cl.exe | *[/\\]cl.exe )
+    func_cl_wrapper "$@"      # Doesn't return...
+    ;;
 esac
 
 ofile=
 cfile=
-eat=
 
 for arg
 do
@@ -66,8 +270,8 @@ do
   else
     case $1 in
       -o)
-	# configure might choose to run compile as `compile cc -o foo foo.c'.
+	# configure might choose to run compile as 'compile cc -o foo foo.c'.
-	# So we strip `-o arg' only if arg is an object.
+	# So we strip '-o arg' only if arg is an object.
 	eat=1
 	case $2 in
 	  *.o | *.obj)
@@ -94,10 +298,10 @@ do
 done
 
 if test -z "$ofile" || test -z "$cfile"; then
-  # If no `-o' option was seen then we might have been invoked from a
+  # If no '-o' option was seen then we might have been invoked from a
   # pattern rule where we don't need one.  That is ok -- this is a
   # normal compilation that the losing compiler can handle.  If no
-  # `.c' file was seen then we are probably linking.  That is also
+  # '.c' file was seen then we are probably linking.  That is also
   # ok.
   exec "$@"
 fi
@@ -106,7 +310,7 @@ fi
 cofile=`echo "$cfile" | sed 's|^.*[\\/]||; s|^[a-zA-Z]:||; s/\.c$/.o/'`
 
 # Create the lock directory.
-# Note: use `[/\\:.-]' here to ensure that we don't use the same name
+# Note: use '[/\\:.-]' here to ensure that we don't use the same name
 # that we are using for the .o file.  Also, base the name on the expected
 # object file name, since that is what matters with a parallel build.
 lockdir=`echo "$cofile" | sed -e 's|[/\\:.-]|_|g'`.d
@@ -124,9 +328,9 @@ trap "rmdir '$lockdir'; exit 1" 1 2 15
 ret=$?
 
 if test -f "$cofile"; then
-  mv "$cofile" "$ofile"
+  test "$cofile" = "$ofile" || mv "$cofile" "$ofile"
 elif test -f "${cofile}bj"; then
-  mv "${cofile}bj" "$ofile"
+  test "${cofile}bj" = "$ofile" || mv "${cofile}bj" "$ofile"
 fi
 
 rmdir "$lockdir"

config-ml.in

@@ -2,7 +2,7 @@
 # wanting multilib support.
 #
 # Copyright (C) 1995, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
-# 2005, 2006, 2007, 2008, 2010, 2011  Free Software Foundation, Inc.
+# 2005, 2006, 2007, 2008, 2010, 2011, 2014 Free Software Foundation, Inc.
 #
 # This file is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -31,7 +31,7 @@
 # user select which libraries s/he really wants.
 #
 # Subdirectories wishing to use multilib should put the following lines
-# in the "post-target" section of configure.in.
+# in the "post-target" section of configure.ac.
 #
 # if [ "${srcdir}" = "." ] ; then
 #   if [ "${with_target_subdir}" != "." ] ; then
@@ -105,10 +105,13 @@ ml_realsrcdir=${srcdir}
 
 # Scan all the arguments and set all the ones we need.
 
+scan_arguments ()
+{
   ml_verbose=--verbose
-for option in ${ac_configure_args}
+  for option
   do
-  # strip single quotes surrounding individual options
+    # Strip single quotes surrounding individual options, that is, remove one
+    # level of shell quoting for these.
     case $option in
       \'*\') eval option=$option ;;
     esac
@@ -139,7 +142,7 @@ do
 	# Don't undo its work.
 	case $enableopt in
 	enable_shared | enable_static) ;;
-	*) eval $enableopt="$optarg" ;;
+	*) eval $enableopt='$optarg' ;;
 	esac
 	;;
       --norecursion | --no-recursion)
@@ -157,7 +160,7 @@ do
 	*)	optarg=yes ;;
 	esac
 	withopt=`echo ${option} | sed 's:^--::;s:=.*$::;s:-:_:g'`
-	eval $withopt="$optarg"
+	eval $withopt='$optarg'
 	;;
       --without-*)
 	withopt=`echo ${option} | sed 's:^--::;s:out::;s:-:_:g'`
@@ -165,6 +168,11 @@ do
 	;;
     esac
   done
+}
+# Use eval to properly handle configure arguments such as
+# --enable-foo='--enable-a=1 --enable-b=2 --enable-c=3'.
+eval scan_arguments "${ac_configure_args}"
+unset scan_arguments
 
 # Only do this if --enable-multilib.
 if [ "${enable_multilib}" = yes ]; then
@@ -174,8 +182,8 @@ if [ "${enable_multilib}" = yes ]; then
 # ${with_multisubdir} tells us we're in the right branch, but we could be
 # in a subdir of that.
 # ??? The previous version could void this test by separating the process into
-# two files: one that only the library's toplevel configure.in ran (to
+# two files: one that only the library's toplevel configure.ac ran (to
-# configure the multilib subdirs), and another that all configure.in's ran to
+# configure the multilib subdirs), and another that all configure.ac's ran to
 # update the Makefile.  It seemed reasonable to collapse all multilib support
 # into one file, but it does leave us with having to perform this test.
 ml_toplevel_p=no
@@ -860,7 +868,7 @@ if [ -n "${multidirs}" ] && [ -z "${ml_norecursion}" ]; then
 
     if eval ${ml_config_env} ${ml_config_shell} ${ml_recprog} \
 	--with-multisubdir=${ml_dir} --with-multisrctop=${multisrctop} \
-	${ac_configure_args} ${ml_config_env} ${ml_srcdiroption} ; then
+	"${ac_configure_args}" ${ml_config_env} ${ml_srcdiroption} ; then
       true
     else
       exit 1

config.guess

@@ -1,8 +1,8 @@
 #! /bin/sh
 # Attempt to guess a canonical system name.
-#   Copyright 1992-2015 Free Software Foundation, Inc.
+#   Copyright 1992-2016 Free Software Foundation, Inc.
 
-timestamp='2015-09-14'
+timestamp='2016-01-01'
 
 # This file is free software; you can redistribute it and/or modify it
 # under the terms of the GNU General Public License as published by
@@ -27,7 +27,7 @@ timestamp='2015-09-14'
 # Originally written by Per Bothner; maintained since 2000 by Ben Elliston.
 #
 # You can get the latest version of this script from:
-# http://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.guess;hb=HEAD
+# http://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.guess
 #
 # Please send patches to <config-patches@gnu.org>.
 
@@ -50,7 +50,7 @@ version="\
 GNU config.guess ($timestamp)
 
 Originally written by Per Bothner.
-Copyright 1992-2015 Free Software Foundation, Inc.
+Copyright 1992-2016 Free Software Foundation, Inc.
 
 This is free software; see the source for copying conditions.  There is NO
 warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE."
@@ -1123,7 +1123,7 @@ EOF
 	# uname -m prints for DJGPP always 'pc', but it prints nothing about
 	# the processor, so we play safe by assuming i586.
 	# Note: whatever this is, it MUST be the same as what config.sub
-	# prints for the "djgpp" host, or else GDB configury will decide that
+	# prints for the "djgpp" host, or else GDB configure will decide that
 	# this is a cross-build.
 	echo i586-pc-msdosdjgpp
 	exit ;;
@@ -1393,6 +1393,9 @@ EOF
     x86_64:VMkernel:*:*)
 	echo ${UNAME_MACHINE}-unknown-esx
 	exit ;;
+    amd64:Isilon\ OneFS:*:*)
+	echo x86_64-unknown-onefs
+	exit ;;
 esac
 
 cat >&2 <<EOF
@@ -1402,9 +1405,9 @@ This script, last modified $timestamp, has failed to recognize
 the operating system you are using. It is advised that you
 download the most up to date version of the config scripts from
 
-  http://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.guess;hb=HEAD
+  http://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.guess
 and
-  http://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.sub;hb=HEAD
+  http://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.sub
 
 If the version you run ($0) is already up to date, please
 send the following data and any information you think might be

config.sub

@@ -1,8 +1,8 @@
 #! /bin/sh
 # Configuration validation subroutine script.
-#   Copyright 1992-2015 Free Software Foundation, Inc.
+#   Copyright 1992-2016 Free Software Foundation, Inc.
 
-timestamp='2015-08-20'
+timestamp='2016-01-01'
 
 # This file is free software; you can redistribute it and/or modify it
 # under the terms of the GNU General Public License as published by
@@ -33,7 +33,7 @@ timestamp='2015-08-20'
 # Otherwise, we print the canonical config type on stdout and succeed.
 
 # You can get the latest version of this script from:
-# http://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.sub;hb=HEAD
+# http://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.sub
 
 # This file is supposed to be the same for all GNU packages
 # and recognize all the CPU types, system types and aliases
@@ -53,8 +53,7 @@ timestamp='2015-08-20'
 me=`echo "$0" | sed -e 's,.*/,,'`
 
 usage="\
-Usage: $0 [OPTION] CPU-MFR-OPSYS
+Usage: $0 [OPTION] CPU-MFR-OPSYS or ALIAS
-       $0 [OPTION] ALIAS
 
 Canonicalize a configuration name.
 
@@ -68,7 +67,7 @@ Report bugs and patches to <config-patches@gnu.org>."
 version="\
 GNU config.sub ($timestamp)
 
-Copyright 1992-2015 Free Software Foundation, Inc.
+Copyright 1992-2016 Free Software Foundation, Inc.
 
 This is free software; see the source for copying conditions.  There is NO
 warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE."
@@ -1399,7 +1398,8 @@ case $os in
 	      | -os2* | -vos* | -palmos* | -uclinux* | -nucleus* \
 	      | -morphos* | -superux* | -rtmk* | -rtmk-nova* | -windiss* \
 	      | -powermax* | -dnix* | -nx6 | -nx7 | -sei* | -dragonfly* \
-	      | -skyos* | -haiku* | -rdos* | -toppers* | -drops* | -es* | -tirtos*)
+	      | -skyos* | -haiku* | -rdos* | -toppers* | -drops* | -es* \
+	      | -onefs* | -tirtos*)
 	# Remember, each alternative MUST END IN *, to match a version number.
 		;;
 	-qnx*)

config/ChangeLog

@@ -1,7 +1,167 @@
+2015-10-21  Maxim Ostapenko  <m.ostapenko@partner.samsung.com>
+
+	* bootstrap-asan.mk: Replace ASAN_OPTIONS=detect_leaks with
+	LSAN_OPTIONS=detect_leaks.
+
+2015-08-24  Yaakov Selkowitz  <yselkowi@redhat.com>
+
+	* iconv.m4 (AM_ICONV_LINK): Use in-tree libiconv when present.
+
+2015-07-24  Micahel Darling  <darlingm@gmail.com>
+
+	PR other/66259
+	* gettext.m4: Reflects renaming of configure.in to configure.ac
+	* po.m4: Likewise
+	* stdint.m4: Likewise
+	* tcl.m4: Likewise
+
+2015-07-14  H.J. Lu  <hongjiu.lu@intel.com>
+
+	* zlib.m4: Sync with binutils-gdb.
+
+2015-06-30  H.J. Lu  <hongjiu.lu@intel.com>
+
+	* dfp.m4 (enable_decimal_float): Also set to yes for
+	i?86*-*-elfiamcu target.
+
+2015-05-27  Jason Merrill  <jason@redhat.com>
+
+	PR bootstrap/66304
+	* warnings.m4 (ACX_PROG_CXX_WARNING_OPTS)
+	(ACX_PROG_CXX_WARNINGS_ARE_ERRORS)
+	(ACX_PROG_CXX_WARNING_ALMOST_PEDANTIC): New.
+	(ACX_PROG_CC_WARNING_OPTS, ACX_PROG_CC_WARNING_ALMOST_PEDANTIC)
+	(ACX_PROG_CC_WARNINGS_ARE_ERRORS): Push into C language context.
+
+2015-05-13  Eric Botcazou  <ebotcazou@adacore.com>
+
+	* sjlj.m4: New file.
+
+2015-05-04  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
+
+	* bitfields.m4: Change int to long long, and use bitfields of
+	width 1 instead of 0.
+
+2015-05-01  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
+
+	* bitfields.m4: New file.
+
+2015-04-14  H.J. Lu  <hongjiu.lu@intel.com>
+
+	* bootstrap-mpx.mk: New file.
+
+2015-04-10  Jakub Jelinek  <jakub@redhat.com>
+	    Iain Sandoe  <iain@codesourcery.com>
+
+	PR target/65351
+	* mh-darwin: Only apply -mdynamic-no-pic for m32 Darwin when the
+	compiler in use supports -mno-dynamic-no-pic.
+	* picflag.m4: Only append -mno-dynamic-no-pic for Darwin when
+	-mdynamic-no-pic is present in CFLAGS.
+
+2015-04-07  Jakub Jelinek  <jakub@redhat.com>
+	    Iain Sandoe  <iain@codesourcery.com>
+
+	PR target/65351
+	* picflag.m4: Append -mno-dynamic-no-pic for Darwin.
+
+2015-03-25  Uros Bizjak  <ubizjak@gmail.com>
+
+	PR bootstrap/65537
+	* bootstrap-lto-noplugin.mk: New build configuration.
+
+2015-02-18  Thomas Schwinge  <thomas@codesourcery.com>
+
+	* elf.m4 (ACX_ELF_TARGET_IFELSE): nvptx-*-none isn't ELF.
+
+2014-11-17  Bob Dunlop  <bob.dunlop@xyzzy.org.uk>
+
+	* mt-ospace (CFLAGS_FOR_TARGET): Append -g -Os rather than
+	overwriting.
+	(CXXFLAGS_FOR_TARGET): Similarly.
+
+2014-11-17  H.J. Lu  <hongjiu.lu@intel.com>
+
+	PR bootstrap/63888
+	* bootstrap-asan.mk (ASAN_OPTIONS): Export "detect_leaks=0".
+
+2014-11-13  Kirill Yukhin  <kirill.yukhin@intel.com>
+
+	* target-posix: New file.
+
+2014-11-11  Tobias Burnus  <burnus@net-b.de>
+
+	* cloog.m4: Remove.
+
+2014-10-27  Tom Tromey  <tromey@redhat.com>
+
+	* gcc-plugin.m4: New file.
+
+2014-09-01  Andi Kleen  <ak@linux.intel.com>
+
+	* bootstrap-lto.mk: Implement slim bootstrap.
+
+2014-08-21  Bin Cheng  <bin.cheng@arm.com>
+
+	* isl.m4 (ISL_CHECK_VERSION): Check link of isl library
+	for cross_compiling.
+
+2014-08-19  Alan Modra  <amodra@gmail.com>
+
+	* plugins.m4 (AC_PLUGINS): If plugins are enabled, add -ldl to
+	LIBS via AC_SEARCH_LIBS.
+
+2014-08-18 Roman Gareev  <gareevroman@gmail.com>
+
+	* cloog.m4: Remove the path to isllibs from clooglibs.
+	* isl.m4: Add paths to islinc, isllibs.
+
+2014-08-14  Alan Modra  <amodra@gmail.com>
+
+	* plugins.m4: Test for dlfcn.h or windows.h here to set default
+	for --enable-plugins.  Report error if someone tries to enable
+	plugins on a host we don't support.
+
+2014-07-26  Uros Bizjak  <ubizjak@gmail.com>
+
+	PR target/47230
+	* mh-alpha-linux: New file.
+
 2014-05-14  Sandra Loosemore  <sandra@codesourcery.com>
 
 	* mt-nios2-elf: New file.
 
+2014-04-25  Marc Glisse  <marc.glisse@inria.fr>
+
+	PR target/43538
+	* mt-gnu: Don't reset CXXFLAGS_FOR_TARGET.
+
+2013-12-07  Mike Frysinger  <vapier@gentoo.org>
+
+	* acinclude.m4: Remove +x file mode.
+
+2013-11-29  Marek Polacek  <polacek@redhat.com>
+
+	* bootstrap-ubsan.mk (POSTSTAGE1_LDFLAGS): Remove -lpthread -ldl.
+	Add -B$$r/prev-$(TARGET_SUBDIR)/libsanitizer/.
+
+2013-11-29  H.J. Lu  <hongjiu.lu@intel.com>
+
+	* bootstrap-asan.mk (POSTSTAGE1_LDFLAGS): Add
+	-B$$r/prev-$(TARGET_SUBDIR)/libsanitizer/.
+
+2013-11-19  Marek Polacek  <polacek@redhat.com>
+
+	* bootstrap-ubsan.mk (POSTSTAGE1_LDFLAGS): Add -ldl.
+
+2013-11-18  Jan Hubicka  <jh@suse.cz>
+
+	* bootstrap-lto.mk: Use -ffat-lto-objects.
+
+2013-11-15  Andreas Schwab  <schwab@linux-m68k.org>
+
+	* picflag.m4 (m68k-*-*): Use default PIC flag.
+
 2013-09-29  Iain Sandoe  <iain@codesourcery.com>
 
 	* mh-darwin (BOOT_CFLAGS): Only add -mdynamic-no-pic for m32 hosts.
@@ -22,6 +182,10 @@
 	* bootstrap-asan.mk (POSTSTAGE1_LDFLAGS): Add
 	-B$$r/prev-$(TARGET_SUBDIR)/libsanitizer/asan/.
 
+2013-01-23  Shenghou Ma  <minux.ma@gmail.com>
+
+	* isl.m4: don't echo $CFLAGS for ISL_CHECK_VERSION.
+
 2013-01-15  Richard Biener  <rguenther@suse.de>
 
 	PR other/55973

config/bitfields.m4

@@ -0,0 +1,25 @@
+dnl Copyright (C) 2015 Free Software Foundation, Inc.
+dnl This file is free software, distributed under the terms of the GNU
+dnl General Public License.  As a special exception to the GNU General
+dnl Public License, this file may be distributed as part of a program
+dnl that contains a configuration script generated by Autoconf, under
+dnl the same distribution terms as the rest of that program.
+
+# Define HAVE_BITFIELD_TYPE_MATTERS if the type of bitfields effects their
+# alignment.
+
+AC_DEFUN([gt_BITFIELD_TYPE_MATTERS],
+[
+  AC_CACHE_CHECK([if the type of bitfields matters], gt_cv_bitfield_type_matters,
+  [
+    AC_TRY_COMPILE(
+      [struct foo1 { char x; char y:1; char z; };
+struct foo2 { char x; long long int y:1; char z; };
+int foo1test[ sizeof (struct foo1) < sizeof (struct foo2) ? 1 : -1 ]; ],
+      [], gt_cv_bitfield_type_matters=yes, gt_cv_bitfield_type_matters=no)
+  ])
+  if test $gt_cv_bitfield_type_matters = yes; then
+    AC_DEFINE(HAVE_BITFIELD_TYPE_MATTERS, 1,
+      [Define if the type of bitfields effects alignment.])
+  fi
+])

config/bootstrap-asan.mk

@@ -1,7 +1,11 @@
 # This option enables -fsanitize=address for stage2 and stage3.
 
+# Suppress LeakSanitizer in bootstrap.
+export LSAN_OPTIONS="detect_leaks=0"
+
 STAGE2_CFLAGS += -fsanitize=address
 STAGE3_CFLAGS += -fsanitize=address
 POSTSTAGE1_LDFLAGS += -fsanitize=address -static-libasan \
+		      -B$$r/prev-$(TARGET_SUBDIR)/libsanitizer/ \
 		      -B$$r/prev-$(TARGET_SUBDIR)/libsanitizer/asan/ \
 		      -B$$r/prev-$(TARGET_SUBDIR)/libsanitizer/asan/.libs

config/bootstrap-lto-noplugin.mk

@@ -0,0 +1,6 @@
+# This option enables LTO for stage2 and stage3 on
+# hosts without linker plugin support.
+
+STAGE2_CFLAGS += -flto=jobserver -frandom-seed=1 -ffat-lto-objects
+STAGE3_CFLAGS += -flto=jobserver -frandom-seed=1 -ffat-lto-objects
+STAGEprofile_CFLAGS += -fno-lto

config/bootstrap-lto.mk

@@ -1,5 +1,13 @@
-# This option enables LTO for stage2 and stage3.
+# This option enables LTO for stage2 and stage3 in slim mode
 
 STAGE2_CFLAGS += -flto=jobserver -frandom-seed=1
 STAGE3_CFLAGS += -flto=jobserver -frandom-seed=1
 STAGEprofile_CFLAGS += -fno-lto
+
+# assumes the host supports the linker plugin
+LTO_AR = $$r/$(HOST_SUBDIR)/prev-gcc/gcc-ar$(exeext) -B$$r/$(HOST_SUBDIR)/prev-gcc/
+LTO_RANLIB = $$r/$(HOST_SUBDIR)/prev-gcc/gcc-ranlib$(exeext) -B$$r/$(HOST_SUBDIR)/prev-gcc/
+
+LTO_EXPORTS = AR="$(LTO_AR)"; export AR; \
+	      RANLIB="$(LTO_RANLIB)"; export RANLIB;
+LTO_FLAGS_TO_PASS = AR="$(LTO_AR)" RANLIB="$(LTO_RANLIB)"

config/bootstrap-mpx.mk

@@ -0,0 +1,9 @@
+# This option enables -fcheck-pointer-bounds -mmpx for stage2 and stage3.
+
+STAGE2_CFLAGS += -fcheck-pointer-bounds -mmpx -frandom-seed=1
+STAGE3_CFLAGS += -fcheck-pointer-bounds -mmpx -frandom-seed=1
+POSTSTAGE1_LDFLAGS += -fcheck-pointer-bounds -mmpx -frandom-seed=1 \
+		      -static-libmpx -static-libmpxwrappers \
+		      -B$$r/prev-$(TARGET_SUBDIR)/libmpx \
+		      -B$$r/prev-$(TARGET_SUBDIR)/libmpx/mpxrt/.libs \
+		      -B$$r/prev-$(TARGET_SUBDIR)/libmpx/mpxwrap/.libs

config/bootstrap-ubsan.mk

@@ -2,6 +2,7 @@
 
 STAGE2_CFLAGS += -fsanitize=undefined
 STAGE3_CFLAGS += -fsanitize=undefined
-POSTSTAGE1_LDFLAGS += -fsanitize=undefined -static-libubsan -lpthread \
+POSTSTAGE1_LDFLAGS += -fsanitize=undefined -static-libubsan \
+		      -B$$r/prev-$(TARGET_SUBDIR)/libsanitizer/ \
 		      -B$$r/prev-$(TARGET_SUBDIR)/libsanitizer/ubsan/ \
 		      -B$$r/prev-$(TARGET_SUBDIR)/libsanitizer/ubsan/.libs

config/dfp.m4

@@ -21,7 +21,7 @@ Valid choices are 'yes', 'bid', 'dpd', and 'no'.]) ;;
 [
   case $1 in
     powerpc*-*-linux* | i?86*-*-linux* | x86_64*-*-linux* | s390*-*-linux* | \
-    i?86*-*-gnu* | \
+    i?86*-*-elfiamcu | i?86*-*-gnu* | \
     i?86*-*-mingw* | x86_64*-*-mingw* | \
     i?86*-*-cygwin* | x86_64*-*-cygwin*)
       enable_decimal_float=yes

config/elf.m4

@@ -1,4 +1,4 @@
-dnl Copyright (C) 2010, 2011 Free Software Foundation, Inc.
+dnl Copyright (C) 2010, 2011, 2015 Free Software Foundation, Inc.
 dnl This file is free software, distributed under the terms of the GNU
 dnl General Public License.  As a special exception to the GNU General
 dnl Public License, this file may be distributed as part of a program
@@ -7,6 +7,8 @@ dnl the same distribution terms as the rest of that program.
 
 dnl From Paolo Bonzini.
 
+dnl Is this an ELF target supporting the LTO plugin?
+
 dnl usage: ACX_ELF_TARGET_IFELSE([if-elf], [if-not-elf])
 AC_DEFUN([ACX_ELF_TARGET_IFELSE], [
 AC_REQUIRE([AC_CANONICAL_TARGET])
@@ -15,7 +17,8 @@ target_elf=no
 case $target in
   *-darwin* | *-aix* | *-cygwin* | *-mingw* | *-aout* | *-*coff* | \
   *-msdosdjgpp* | *-vms* | *-wince* | *-*-pe* | \
-  alpha*-dec-osf* | *-interix* | hppa[[12]]*-*-hpux*)
+  alpha*-dec-osf* | *-interix* | hppa[[12]]*-*-hpux* | \
+  nvptx-*-none)
     target_elf=no
     ;;
   *)

config/gcc-plugin.m4

@@ -0,0 +1,113 @@
+# gcc-plugin.m4 -*- Autoconf -*-
+# Check whether GCC is able to be built with plugin support.
+
+dnl Copyright (C) 2014 Free Software Foundation, Inc.
+dnl This file is free software, distributed under the terms of the GNU
+dnl General Public License.  As a special exception to the GNU General
+dnl Public License, this file may be distributed as part of a program
+dnl that contains a configuration script generated by Autoconf, under
+dnl the same distribution terms as the rest of that program.
+
+# Check for plugin support.
+# Respects --enable-plugin.
+# Sets the shell variables enable_plugin and pluginlibs.
+AC_DEFUN([GCC_ENABLE_PLUGINS],
+  [# Check for plugin support
+   AC_ARG_ENABLE(plugin,
+   [AS_HELP_STRING([--enable-plugin], [enable plugin support])],
+   enable_plugin=$enableval,
+   enable_plugin=yes; default_plugin=yes)
+
+   pluginlibs=
+
+   case "${host}" in
+     *-*-darwin*)
+       if test x$build = x$host; then
+	 export_sym_check="nm${exeext} -g"
+       elif test x$host = x$target; then
+	 export_sym_check="$gcc_cv_nm -g"
+       else
+	 export_sym_check=
+       fi
+     ;;
+     *)
+       if test x$build = x$host; then
+	 export_sym_check="objdump${exeext} -T"
+       elif test x$host = x$target; then
+	 export_sym_check="$gcc_cv_objdump -T"
+       else
+	 export_sym_check=
+       fi
+     ;;
+   esac
+
+   if test x"$enable_plugin" = x"yes"; then
+
+     AC_MSG_CHECKING([for exported symbols])
+     if test "x$export_sym_check" != x; then
+       echo "int main() {return 0;} int foobar() {return 0;}" > conftest.c
+       ${CC} ${CFLAGS} ${LDFLAGS} conftest.c -o conftest$ac_exeext > /dev/null 2>&1
+       if $export_sym_check conftest$ac_exeext | grep -q foobar > /dev/null; then
+	 : # No need to use a flag
+	 AC_MSG_RESULT([yes])
+       else
+	 AC_MSG_RESULT([yes])
+	 AC_MSG_CHECKING([for -rdynamic])
+	 ${CC} ${CFLAGS} ${LDFLAGS} -rdynamic conftest.c -o conftest$ac_exeext > /dev/null 2>&1
+	 if $export_sym_check conftest$ac_exeext | grep -q foobar > /dev/null; then
+	   plugin_rdynamic=yes
+	   pluginlibs="-rdynamic"
+	 else
+	   plugin_rdynamic=no
+	   enable_plugin=no
+	 fi
+	 AC_MSG_RESULT([$plugin_rdynamic])
+       fi
+     else
+       AC_MSG_RESULT([unable to check])
+     fi
+
+     # Check -ldl
+     saved_LIBS="$LIBS"
+     AC_SEARCH_LIBS([dlopen], [dl])
+     if test x"$ac_cv_search_dlopen" = x"-ldl"; then
+       pluginlibs="$pluginlibs -ldl"
+     fi
+     LIBS="$saved_LIBS"
+
+     # Check that we can build shared objects with -fPIC -shared
+     saved_LDFLAGS="$LDFLAGS"
+     saved_CFLAGS="$CFLAGS"
+     case "${host}" in
+       *-*-darwin*)
+	 CFLAGS=`echo $CFLAGS | sed s/-mdynamic-no-pic//g`
+	 CFLAGS="$CFLAGS -fPIC"
+	 LDFLAGS="$LDFLAGS -shared -undefined dynamic_lookup"
+       ;;
+       *)
+	 CFLAGS="$CFLAGS -fPIC"
+	 LDFLAGS="$LDFLAGS -fPIC -shared"
+       ;;
+     esac
+     AC_MSG_CHECKING([for -fPIC -shared])
+     AC_TRY_LINK(
+       [extern int X;],[return X == 0;],
+       [AC_MSG_RESULT([yes]); have_pic_shared=yes],
+       [AC_MSG_RESULT([no]); have_pic_shared=no])
+     if test x"$have_pic_shared" != x"yes" -o x"$ac_cv_search_dlopen" = x"no"; then
+       pluginlibs=
+       enable_plugin=no
+     fi
+     LDFLAGS="$saved_LDFLAGS"
+     CFLAGS="$saved_CFLAGS"
+
+     # If plugin support had been requested but not available, fail.
+     if test x"$enable_plugin" = x"no" ; then
+       if test x"$default_plugin" != x"yes"; then
+	 AC_MSG_ERROR([
+   Building GCC with plugin support requires a host that supports
+   -fPIC, -shared, -ldl and -rdynamic.])
+       fi
+     fi
+   fi
+])

config/gettext.m4

@@ -81,7 +81,7 @@ AC_DEFUN([AM_GNU_GETTEXT],
   dnl Ideally we would do this search only after the
   dnl      if test "$USE_NLS" = "yes"; then
   dnl        if test "$gt_cv_func_gnugettext_libc" != "yes"; then
-  dnl tests. But if configure.in invokes AM_ICONV after AM_GNU_GETTEXT
+  dnl tests. But if configure.ac invokes AM_ICONV after AM_GNU_GETTEXT
   dnl the configure script would need to contain the same shell code
   dnl again, outside any 'if'. There are two solutions:
   dnl - Invoke AM_ICONV_LINKFLAGS_BODY here, outside any 'if'.
@@ -303,7 +303,7 @@ return (int) gettext ("")]ifelse([$2], [need-ngettext], [ + (int) ngettext ("",
     AC_SUBST(USE_INCLUDED_LIBINTL)
     AC_SUBST(CATOBJEXT)
 
-    dnl For backward compatibility. Some configure.ins may be using this.
+    dnl For backward compatibility. Some configure.acs may be using this.
     nls_cv_header_intl=
     nls_cv_header_libgt=
 

config/iconv.m4

@@ -7,6 +7,7 @@ dnl that contains a configuration script generated by Autoconf, under
 dnl the same distribution terms as the rest of that program.
 
 dnl From Bruno Haible.
+dnl with modifications to support building with in-tree libiconv
 
 AC_DEFUN([AM_ICONV_LINKFLAGS_BODY],
 [
@@ -28,24 +29,51 @@ AC_DEFUN([AM_ICONV_LINK],
   dnl accordingly.
   AC_REQUIRE([AM_ICONV_LINKFLAGS_BODY])
 
-  dnl Add $INCICONV to CPPFLAGS before performing the following checks,
-  dnl because if the user has installed libiconv and not disabled its use
-  dnl via --without-libiconv-prefix, he wants to use it. The first
-  dnl AC_TRY_LINK will then fail, the second AC_TRY_LINK will succeed.
-  am_save_CPPFLAGS="$CPPFLAGS"
-  AC_LIB_APPENDTOVAR([CPPFLAGS], [$INCICONV])
-
   AC_CACHE_CHECK(for iconv, am_cv_func_iconv, [
     am_cv_func_iconv="no, consider installing GNU libiconv"
     am_cv_lib_iconv=no
+    dnl Add $INCICONV to CPPFLAGS before performing the first check,
+    dnl because if the user has installed libiconv and not disabled its use
+    dnl via --without-libiconv-prefix, he wants to use it. This first
+    dnl AC_TRY_LINK will then fail, the second AC_TRY_LINK will succeed.
+    am_save_CPPFLAGS="$CPPFLAGS"
+    CPPFLAGS="$CPPFLAGS $INCICONV"
     AC_TRY_LINK([#include <stdlib.h>
 #include <iconv.h>],
       [iconv_t cd = iconv_open("","");
        iconv(cd,NULL,NULL,NULL,NULL);
        iconv_close(cd);],
       am_cv_func_iconv=yes)
-    if test "$am_cv_func_iconv" != yes; then
+    CPPFLAGS="$am_save_CPPFLAGS"
+
+    if test "$am_cv_func_iconv" != yes && test -d ../libiconv; then
+      for _libs in .libs _libs; do
+        am_save_CPPFLAGS="$CPPFLAGS"
         am_save_LIBS="$LIBS"
+        CPPFLAGS="$CPPFLAGS -I../libiconv/include"
+        LIBS="$LIBS ../libiconv/lib/$_libs/libiconv.a"
+        AC_TRY_LINK([#include <stdlib.h>
+#include <iconv.h>],
+          [iconv_t cd = iconv_open("","");
+           iconv(cd,NULL,NULL,NULL,NULL);
+           iconv_close(cd);],
+          INCICONV="-I../libiconv/include"
+          LIBICONV='${top_builddir}'/../libiconv/lib/$_libs/libiconv.a
+          LTLIBICONV='${top_builddir}'/../libiconv/lib/libiconv.la
+          am_cv_lib_iconv=yes
+          am_cv_func_iconv=yes)
+        CPPFLAGS="$am_save_CPPFLAGS"
+        LIBS="$am_save_LIBS"
+        if test "$am_cv_func_iconv" = "yes"; then
+          break
+        fi
+      done
+    fi
+
+    if test "$am_cv_func_iconv" != yes; then
+      am_save_CPPFLAGS="$CPPFLAGS"
+      am_save_LIBS="$LIBS"
+      CPPFLAGS="$LIBS $INCICONV"
       LIBS="$LIBS $LIBICONV"
       AC_TRY_LINK([#include <stdlib.h>
 #include <iconv.h>],
@@ -54,6 +82,7 @@ AC_DEFUN([AM_ICONV_LINK],
          iconv_close(cd);],
         am_cv_lib_iconv=yes
         am_cv_func_iconv=yes)
+      CPPFLAGS="$am_save_CPPFLAGS"
       LIBS="$am_save_LIBS"
     fi
   ])
@@ -61,12 +90,10 @@ AC_DEFUN([AM_ICONV_LINK],
     AC_DEFINE(HAVE_ICONV, 1, [Define if you have the iconv() function.])
   fi
   if test "$am_cv_lib_iconv" = yes; then
+    AC_LIB_APPENDTOVAR([CPPFLAGS], [$INCICONV])
     AC_MSG_CHECKING([how to link with libiconv])
     AC_MSG_RESULT([$LIBICONV])
   else
-    dnl If $LIBICONV didn't lead to a usable library, we don't need $INCICONV
-    dnl either.
-    CPPFLAGS="$am_save_CPPFLAGS"
     LIBICONV=
     LTLIBICONV=
   fi

config/isl.m4

@@ -19,23 +19,23 @@
 
 # ISL_INIT_FLAGS ()
 # -------------------------
-# Provide configure switches for ISL support.
+# Provide configure switches for isl support.
 # Initialize isllibs/islinc according to the user input.
 AC_DEFUN([ISL_INIT_FLAGS],
 [
   AC_ARG_WITH([isl-include],
     [AS_HELP_STRING(
       [--with-isl-include=PATH],
-      [Specify directory for installed ISL include files])])
+      [Specify directory for installed isl include files])])
   AC_ARG_WITH([isl-lib],
     [AS_HELP_STRING(
       [--with-isl-lib=PATH],
-      [Specify the directory for the installed ISL library])])
+      [Specify the directory for the installed isl library])])
 
   AC_ARG_ENABLE(isl-version-check,
     [AS_HELP_STRING(
       [--disable-isl-version-check],
-      [disable check for ISL version])],
+      [disable check for isl version])],
     ENABLE_ISL_CHECK=$enableval,
     ENABLE_ISL_CHECK=yes)
   
@@ -58,22 +58,24 @@ AC_DEFUN([ISL_INIT_FLAGS],
   if test "x${with_isl_lib}" != x; then
     isllibs="-L$with_isl_lib"
   fi
-  dnl If no --with-isl flag was specified and there is in-tree ISL
+  dnl If no --with-isl flag was specified and there is in-tree isl
   dnl source, set up flags to use that and skip any version tests
-  dnl as we cannot run them before building ISL.
+  dnl as we cannot run them before building isl.
   if test "x${islinc}" = x && test "x${isllibs}" = x \
      && test -d ${srcdir}/isl; then
     isllibs='-L$$r/$(HOST_SUBDIR)/isl/'"$lt_cv_objdir"' '
     islinc='-I$$r/$(HOST_SUBDIR)/isl/include -I$$s/isl/include'
     ENABLE_ISL_CHECK=no
-    AC_MSG_WARN([using in-tree ISL, disabling version check])
+    AC_MSG_WARN([using in-tree isl, disabling version check])
   fi
+
+  isllibs="${isllibs} -lisl"
 ]
 )
 
 # ISL_REQUESTED (ACTION-IF-REQUESTED, ACTION-IF-NOT)
 # ----------------------------------------------------
-# Provide actions for failed ISL detection.
+# Provide actions for failed isl detection.
 AC_DEFUN([ISL_REQUESTED],
 [
   AC_REQUIRE([ISL_INIT_FLAGS])
@@ -90,20 +92,9 @@ AC_DEFUN([ISL_REQUESTED],
 ]
 )
 
-# _ISL_CHECK_CT_PROG(MAJOR, MINOR)
+# ISL_CHECK_VERSION ISL_CHECK_VERSION ()
-# --------------------------------------------
-# Helper for verifying ISL compile time version.
-m4_define([_ISL_CHECK_CT_PROG],[AC_LANG_PROGRAM(
-  [#include <isl/version.h>
-   #include <string.h>],
-  [if (strncmp (isl_version (), "isl-$1.$2", strlen ("isl-$1.$2")) != 0)
-     return 1;
-   ])])
-
-# ISL_CHECK_VERSION ISL_CHECK_VERSION (MAJOR, MINOR)
 # ----------------------------------------------------------------
-# Test the found ISL to be exact of version MAJOR.MINOR and at least
+# Test whether isl contains functionality added to the minimum expected version.
-# REVISION.
 AC_DEFUN([ISL_CHECK_VERSION],
 [
   if test "${ENABLE_ISL_CHECK}" = yes ; then
@@ -112,16 +103,32 @@ AC_DEFUN([ISL_CHECK_VERSION],
     _isl_saved_LIBS=$LIBS
 
     CFLAGS="${_isl_saved_CFLAGS} ${islinc} ${gmpinc}"
-    LDFLAGS="${_isl_saved_LDFLAGS} ${isllibs}"
+    LDFLAGS="${_isl_saved_LDFLAGS} ${isllibs} ${gmplibs}"
-    LIBS="${_isl_saved_LIBS} -lisl"
+    LIBS="${_isl_saved_LIBS} -lisl -lgmp"
 
-    AC_MSG_CHECKING([for version $1.$2 of ISL])
+    AC_MSG_CHECKING([for isl 0.16, 0.15, or deprecated 0.14])
-    AC_RUN_IFELSE([_ISL_CHECK_CT_PROG($1,$2)],
+    AC_TRY_LINK([#include <isl/ctx.h>],
+                [isl_ctx_get_max_operations (isl_ctx_alloc ());],
                 [gcc_cv_isl=yes],
-	[gcc_cv_isl=no],
+                [gcc_cv_isl=no])
-	[gcc_cv_isl=yes])
     AC_MSG_RESULT([$gcc_cv_isl])
 
+    if test "${gcc_cv_isl}" = no ; then
+      AC_MSG_RESULT([recommended isl version is 0.16 or 0.15, the minimum required isl version 0.14 is deprecated])
+    fi
+
+    AC_MSG_CHECKING([for isl 0.16 or 0.15])
+    AC_TRY_LINK([#include <isl/schedule.h>],
+                [isl_options_set_schedule_serialize_sccs (NULL, 0);],
+                [ac_has_isl_options_set_schedule_serialize_sccs=yes],
+                [ac_has_isl_options_set_schedule_serialize_sccs=no])
+    AC_MSG_RESULT($ac_has_isl_options_set_schedule_serialize_sccs)
+
+    if test x"$ac_has_isl_options_set_schedule_serialize_sccs" = x"yes"; then
+      islver="0.15"
+      AC_SUBST([islver])
+    fi
+
     CFLAGS=$_isl_saved_CFLAGS
     LDFLAGS=$_isl_saved_LDFLAGS
     LIBS=$_isl_saved_LIBS

config/mh-alpha-linux

@@ -0,0 +1,3 @@
+# Prevent GPREL16 relocation truncation
+LDFLAGS += -Wl,--no-relax
+BOOT_LDFLAGS += -Wl,--no-relax

config/mh-darwin

@@ -1,18 +1,29 @@
 # The -mdynamic-no-pic ensures that the compiler executable is built without
 # position-independent-code -- the usual default on Darwin. This fix speeds
-# compiles by 3-5%.
+# compiles by 3-5%.  Don't add it if the compiler doesn't also support
-BOOT_CFLAGS += \
+# -mno-dynamic-no-pic to undo it.
+DARWIN_MDYNAMIC_NO_PIC := \
 `case ${host} in i?86-*-darwin* | powerpc-*-darwin*) \
-                 echo -mdynamic-no-pic ;; esac;`
+   $(CC) -S -xc /dev/null -o /dev/null -mno-dynamic-no-pic 2>/dev/null \
+   && echo -mdynamic-no-pic ;; esac`
+DARWIN_GCC_MDYNAMIC_NO_PIC := \
+`case ${host} in i?86-*-darwin* | powerpc-*-darwin*) \
+   $(CC) -S -xc /dev/null -o /dev/null -mno-dynamic-no-pic 2>/dev/null \
+   || echo -mdynamic-no-pic ;; esac`
 
 # ld on Darwin versions >= 10.7 defaults to PIE executables. Disable this for
 # gcc components, since it is incompatible with our pch implementation.
-BOOT_LDFLAGS += \
+DARWIN_NO_PIE := `case ${host} in *-*-darwin[1][1-9]*) echo -Wl,-no_pie ;; esac;`
-`case ${host} in *-*-darwin[1][1-9]*) echo -Wl,-no_pie ;; esac;`
+
+BOOT_CFLAGS += $(DARWIN_MDYNAMIC_NO_PIC)
+BOOT_LDFLAGS += $(DARWIN_NO_PIE)
 
 # Similarly, for cross-compilation.
-STAGE1_CFLAGS += \
+STAGE1_CFLAGS += $(DARWIN_MDYNAMIC_NO_PIC)
-`case ${host} in i?86-*-darwin* | powerpc-*-darwin*)\
+STAGE1_LDFLAGS += $(DARWIN_NO_PIE)
-                 echo -mdynamic-no-pic ;; esac;`
+
-STAGE1_LDFLAGS += \
+# Without -mno-dynamic-no-pic support, add -mdynamic-no-pic just to later
-`case ${host} in *-*-darwin[1][1-9]*) echo -Wl,-no_pie ;; esac;`
+# stages when we know it is built with gcc.
+STAGE2_CFLAGS += $(DARWIN_GCC_MDYNAMIC_NO_PIC)
+STAGE3_CFLAGS += $(DARWIN_GCC_MDYNAMIC_NO_PIC)
+STAGE4_CFLAGS += $(DARWIN_GCC_MDYNAMIC_NO_PIC)

config/mt-gnu

@@ -1 +1 @@
-CXXFLAGS_FOR_TARGET = $(CXXFLAGS) -D_GNU_SOURCE
+CXXFLAGS_FOR_TARGET += -D_GNU_SOURCE

config/mt-ospace

@@ -1,3 +1,3 @@
 # Build libraries optimizing for space, not speed.
- CFLAGS_FOR_TARGET = -g -Os
+ CFLAGS_FOR_TARGET += -g -Os
- CXXFLAGS_FOR_TARGET = -g -Os
+ CXXFLAGS_FOR_TARGET += -g -Os

config/picflag.m4

@@ -7,9 +7,15 @@ AC_DEFUN([_GCC_PICFLAG], [
 case "${$2}" in
     # PIC is the default on some targets or must not be used.
     *-*-darwin*)
-	# PIC is the default on this platform
+	# For darwin, common symbols are not allowed in MH_DYLIB files
-	# Common symbols not allowed in MH_DYLIB files
+	case "${CFLAGS}" in
-	$1=-fno-common
+	  # If we are using a compiler supporting mdynamic-no-pic
+	  # and the option has been tested as safe to add, then cancel
+	  # it here, since the code generated is incompatible with shared
+	  # libs.
+	  *-mdynamic-no-pic*) $1='-fno-common -mno-dynamic-no-pic' ;;
+	  *) $1=-fno-common ;;
+	esac
 	;;
     alpha*-dec-osf5*)
 	# PIC is the default.
@@ -50,9 +56,6 @@ case "${$2}" in
     i[[34567]]86-*-* | x86_64-*-*)
 	$1=-fpic
 	;;
-    m68k-*-*)
-	$1=-fpic
-	;;
     # FIXME: Override -fPIC default in libgcc only? 
     sh-*-linux* | sh[[2346lbe]]*-*-linux*)
 	$1=-fpic

config/plugins.m4

@@ -1,11 +1,21 @@
 AC_DEFUN([AC_PLUGINS],
 [
+  maybe_plugins=no
+  AC_CHECK_HEADERS([dlfcn.h], [maybe_plugins=yes], [], [AC_INCLUDES_DEFAULT])
+  AC_CHECK_HEADERS([windows.h], [maybe_plugins=yes], [], [AC_INCLUDES_DEFAULT])
+
   AC_ARG_ENABLE([plugins],
-AS_HELP_STRING([--enable-plugins], [Enable support for plugins (defaults no)]),
+    AS_HELP_STRING([--enable-plugins], [Enable support for plugins]),
     [case "${enableval}" in
-  yes | "") plugins=yes ;;
       no) plugins=no ;;
-  *) plugins=yes ;;
+      *) plugins=yes
+         if test "$maybe_plugins" != "yes" ; then
+	   AC_MSG_ERROR([Building with plugin support requires a host that supports dlopen.])
+	 fi ;;
      esac],
-[plugins=no])
+    [plugins=$maybe_plugins]
+  )
+  if test "$plugins" = "yes"; then
+    AC_SEARCH_LIBS([dlopen], [dl])
+  fi
 ])

config/po.m4

@@ -117,14 +117,14 @@ AC_DEFUN([AM_PO_SUBDIRS],
           if test -f "$ac_given_srcdir/$ac_dir/LINGUAS"; then
             # The LINGUAS file contains the set of available languages.
             if test -n "$OBSOLETE_ALL_LINGUAS"; then
-              test -n "$as_me" && echo "$as_me: setting ALL_LINGUAS in configure.in is obsolete" || echo "setting ALL_LINGUAS in configure.in is obsolete"
+              test -n "$as_me" && echo "$as_me: setting ALL_LINGUAS in configure.ac is obsolete" || echo "setting ALL_LINGUAS in configure.ac is obsolete"
             fi
             ALL_LINGUAS_=`sed -e "/^#/d" "$ac_given_srcdir/$ac_dir/LINGUAS"`
             # Hide the ALL_LINGUAS assigment from automake.
             eval 'ALL_LINGUAS''=$ALL_LINGUAS_'
             POMAKEFILEDEPS="$POMAKEFILEDEPS LINGUAS"
           else
-            # The set of available languages was given in configure.in.
+            # The set of available languages was given in configure.ac.
             eval 'ALL_LINGUAS''=$OBSOLETE_ALL_LINGUAS'
           fi
           case "$ac_given_srcdir" in

config/sjlj.m4

@@ -0,0 +1,12 @@
+dnl Check if the compiler is configured for setjmp/longjmp exceptions.
+AC_DEFUN([GCC_CHECK_SJLJ_EXCEPTIONS],
+  [AC_CACHE_CHECK([whether the compiler is configured for setjmp/longjmp exceptions],
+    ac_cv_sjlj_exceptions,
+    [AC_COMPILE_IFELSE(
+      [AC_LANG_PROGRAM(
+        [[#ifdef __USING_SJLJ_EXCEPTIONS__
+          this will fail
+          #endif]],
+        [[int i;]])],
+      [ac_cv_sjlj_exceptions=no],
+      [ac_cv_sjlj_exceptions=yes])])])

config/stdint.m4

@@ -39,7 +39,7 @@ dnl If your installed header files require the stdint-types you will want to
 dnl create an installable file mylib-int.h that all your other installable
 dnl header may include. So, for a library package named "mylib", just use
 dnl      GCC_HEADER_STDINT(mylib-int.h)
-dnl in configure.in and install that header file in Makefile.am along with
+dnl in configure.ac and install that header file in Makefile.am along with
 dnl the other headers (mylib.h).  The mylib-specific headers can simply
 dnl use "#include <mylib-int.h>" to obtain the stdint-types.
 dnl

config/target-posix

@@ -0,0 +1,12 @@
+case "${target}" in
+  *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
+      ;;
+  *-*-netbsd* | *-*-freebsd* | *-*-openbsd* | *-*-dragonfly*)
+      ;;
+  *-*-solaris2* | *-*-hpux11*)
+      ;;
+  *-*-darwin* | *-*-aix*)
+      ;;
+  *)
+      UNSUPPORTED=1 ;;
+  esac

config/tcl.m4

@@ -2136,7 +2136,7 @@ dnl # preprocessing tests use only CPPFLAGS.
             INSTALL_LIB='$(INSTALL_LIBRARY) $(LIB_FILE) $(LIB_INSTALL_DIR)/$(LIB_FILE) ; (cd $(LIB_INSTALL_DIR) ; $(RANLIB) $(LIB_FILE))'
         fi
 
-dnl        Not at all clear what this was doing in Tcl's configure.in
+dnl        Not at all clear what this was doing in Tcl's configure.ac
 dnl        or why it was needed was needed. In any event, this sort of
 dnl        things needs to be done in the big loop above.
 dnl        REMOVE THIS BLOCK LATER! (mdejong)
@@ -3235,7 +3235,7 @@ AC_DEFUN([SC_TCL_GETGRNAM_R], [AC_CHECK_FUNC(getgrnam_r, [
 #		created. Accumulates.
 #
 #	Requires presence of SC_OUTPUT_COMMANDS_PRE at the end
-#	of configure.in (right before AC_OUTPUT).
+#	of configure.ac (right before AC_OUTPUT).
 #
 #--------------------------------------------------------------------
 

config/warnings.m4

@@ -18,11 +18,12 @@
 #along with GCC; see the file COPYING3.  If not see
 #<http://www.gnu.org/licenses/>.
 
-# ACX_PROG_CC_WARNING_OPTS(WARNINGS, [VARIABLE = WARN_CFLAGS)
+# ACX_PROG_CC_WARNING_OPTS(WARNINGS, [VARIABLE = WARN_CFLAGS])
 #   Sets @VARIABLE@ to the subset of the given options which the
 #   compiler accepts.
 AC_DEFUN([ACX_PROG_CC_WARNING_OPTS],
 [AC_REQUIRE([AC_PROG_CC])dnl
+AC_LANG_PUSH(C)
 m4_pushdef([acx_Var], [m4_default([$2], [WARN_CFLAGS])])dnl
 AC_SUBST(acx_Var)dnl
 m4_expand_once([acx_Var=
@@ -48,6 +49,7 @@ for real_option in $1; do
 done
 CFLAGS="$save_CFLAGS"
 m4_popdef([acx_Var])dnl
+AC_LANG_POP(C)
 ])# ACX_PROG_CC_WARNING_OPTS
 
 # ACX_PROG_CC_WARNING_ALMOST_PEDANTIC(WARNINGS, [VARIABLE = WARN_PEDANTIC])
@@ -55,6 +57,7 @@ m4_popdef([acx_Var])dnl
 #   and accepts all of those options simultaneously, otherwise to nothing.
 AC_DEFUN([ACX_PROG_CC_WARNING_ALMOST_PEDANTIC],
 [AC_REQUIRE([AC_PROG_CC])dnl
+AC_LANG_PUSH(C)
 m4_pushdef([acx_Var], [m4_default([$2], [WARN_PEDANTIC])])dnl
 AC_SUBST(acx_Var)dnl
 m4_expand_once([acx_Var=
@@ -77,6 +80,7 @@ AS_IF([test AS_VAR_GET(acx_Pedantic) = yes],
 AS_VAR_POPDEF([acx_Pedantic])dnl
 m4_popdef([acx_Woptions])dnl
 m4_popdef([acx_Var])dnl
+AC_LANG_POP(C)
 ])# ACX_PROG_CC_WARNING_ALMOST_PEDANTIC
 
 # ACX_PROG_CC_WARNINGS_ARE_ERRORS([x.y.z], [VARIABLE = WERROR])
@@ -88,6 +92,7 @@ m4_popdef([acx_Var])dnl
 #   appeared on the configure command line.
 AC_DEFUN([ACX_PROG_CC_WARNINGS_ARE_ERRORS],
 [AC_REQUIRE([AC_PROG_CC])dnl
+AC_LANG_PUSH(C)
 m4_pushdef([acx_Var], [m4_default([$2], [WERROR])])dnl
 AC_SUBST(acx_Var)dnl
 m4_expand_once([acx_Var=
@@ -114,4 +119,109 @@ AS_IF([test $enable_werror_always = yes],
        [acx_Var="$acx_Var${acx_Var:+ }-Werror"])
   AS_VAR_POPDEF([acx_GCCvers])])
 m4_popdef([acx_Var])dnl
+AC_LANG_POP(C)
 ])# ACX_PROG_CC_WARNINGS_ARE_ERRORS
+
+# ACX_PROG_CXX_WARNING_OPTS(WARNINGS, [VARIABLE = WARN_CXXFLAGS])
+#   Sets @VARIABLE@ to the subset of the given options which the
+#   compiler accepts.
+AC_DEFUN([ACX_PROG_CXX_WARNING_OPTS],
+[AC_REQUIRE([AC_PROG_CXX])dnl
+AC_LANG_PUSH(C++)
+m4_pushdef([acx_Var], [m4_default([$2], [WARN_CXXFLAGS])])dnl
+AC_SUBST(acx_Var)dnl
+m4_expand_once([acx_Var=
+],m4_quote(acx_Var=))dnl
+save_CXXFLAGS="$CXXFLAGS"
+for real_option in $1; do
+  # Do the check with the no- prefix removed since gcc silently
+  # accepts any -Wno-* option on purpose
+  case $real_option in
+    -Wno-*) option=-W`expr x$real_option : 'x-Wno-\(.*\)'` ;;
+    *) option=$real_option ;;
+  esac
+  AS_VAR_PUSHDEF([acx_Woption], [acx_cv_prog_cc_warning_$option])
+  AC_CACHE_CHECK([whether $CXX supports $option], acx_Woption,
+    [CXXFLAGS="$option"
+    AC_COMPILE_IFELSE([AC_LANG_PROGRAM([],[])],
+      [AS_VAR_SET(acx_Woption, yes)],
+      [AS_VAR_SET(acx_Woption, no)])
+  ])
+  AS_IF([test AS_VAR_GET(acx_Woption) = yes],
+        [acx_Var="$acx_Var${acx_Var:+ }$real_option"])
+  AS_VAR_POPDEF([acx_Woption])dnl
+done
+CXXFLAGS="$save_CXXFLAGS"
+m4_popdef([acx_Var])dnl
+AC_LANG_POP(C++)
+])# ACX_PROG_CXX_WARNING_OPTS
+
+# ACX_PROG_CXX_WARNING_ALMOST_PEDANTIC(WARNINGS, [VARIABLE = WARN_PEDANTIC])
+#   Append to VARIABLE "-pedantic" + the argument, if the compiler is G++
+#   and accepts all of those options simultaneously, otherwise to nothing.
+AC_DEFUN([ACX_PROG_CXX_WARNING_ALMOST_PEDANTIC],
+[AC_REQUIRE([AC_PROG_CXX])dnl
+AC_LANG_PUSH(C++)
+m4_pushdef([acx_Var], [m4_default([$2], [WARN_PEDANTIC])])dnl
+AC_SUBST(acx_Var)dnl
+m4_expand_once([acx_Var=
+],m4_quote(acx_Var=))dnl
+# Do the check with the no- prefix removed from the warning options
+# since gcc silently accepts any -Wno-* option on purpose
+m4_pushdef([acx_Woptions], [m4_bpatsubst([$1], [-Wno-], [-W])])dnl
+AS_VAR_PUSHDEF([acx_Pedantic], [acx_cv_prog_cc_pedantic_]acx_Woptions)dnl
+AS_IF([test "$GXX" = yes],
+[AC_CACHE_CHECK([whether $CXX supports -pedantic ]acx_Woptions, acx_Pedantic,
+[save_CXXFLAGS="$CXXFLAGS"
+CXXFLAGS="-pedantic acx_Woptions"
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM([],[])],
+   [AS_VAR_SET(acx_Pedantic, yes)],
+   [AS_VAR_SET(acx_Pedantic, no)])
+CXXFLAGS="$save_CXXFLAGS"])
+AS_IF([test AS_VAR_GET(acx_Pedantic) = yes],
+      [acx_Var="$acx_Var${acx_Var:+ }-pedantic $1"])
+])
+AS_VAR_POPDEF([acx_Pedantic])dnl
+m4_popdef([acx_Woptions])dnl
+m4_popdef([acx_Var])dnl
+AC_LANG_POP(C++)
+])# ACX_PROG_CXX_WARNING_ALMOST_PEDANTIC
+
+# ACX_PROG_CXX_WARNINGS_ARE_ERRORS([x.y.z], [VARIABLE = WERROR])
+#   sets @VARIABLE@ to "-Werror" if the compiler is G++ >=x.y.z, or if
+#   --enable-werror-always was given on the command line, otherwise
+#   to nothing.
+#   If the argument is the word "manual" instead of a version number,
+#   then @VARIABLE@ will be set to -Werror only if --enable-werror-always
+#   appeared on the configure command line.
+AC_DEFUN([ACX_PROG_CXX_WARNINGS_ARE_ERRORS],
+[AC_REQUIRE([AC_PROG_CXX])dnl
+AC_LANG_PUSH(C++)
+m4_pushdef([acx_Var], [m4_default([$2], [WERROR])])dnl
+AC_SUBST(acx_Var)dnl
+m4_expand_once([acx_Var=
+],m4_quote(acx_Var=))dnl
+AC_ARG_ENABLE(werror-always,
+    AS_HELP_STRING([--enable-werror-always],
+		   [enable -Werror despite compiler version]),
+[], [enable_werror_always=no])
+AS_IF([test $enable_werror_always = yes],
+      [acx_Var="$acx_Var${acx_Var:+ }-Werror"])
+ m4_if($1, [manual],,
+ [AS_VAR_PUSHDEF([acx_GXXvers], [acx_cv_prog_cxx_gxx_$1_or_newer])dnl
+  AC_CACHE_CHECK([whether $CXX is G++ >=$1], acx_GXXvers,
+    [set fnord `echo $1 | tr '.' ' '`
+     shift
+     AC_PREPROC_IFELSE(
+[#if __GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__ \
+  < [$]1 * 10000 + [$]2 * 100 + [$]3
+#error insufficient
+#endif],
+   [AS_VAR_SET(acx_GXXvers, yes)],
+   [AS_VAR_SET(acx_GXXvers, no)])])
+ AS_IF([test AS_VAR_GET(acx_GXXvers) = yes],
+       [acx_Var="$acx_Var${acx_Var:+ }-Werror"])
+  AS_VAR_POPDEF([acx_GXXvers])])
+m4_popdef([acx_Var])dnl
+AC_LANG_POP(C++)
+])# ACX_PROG_CXX_WARNINGS_ARE_ERRORS

config/zlib.m4

@@ -1,18 +1,19 @@
-dnl A function to check for zlib availability.  zlib is used by default
+dnl A function to check if the system's zlib library should be used.  The
-dnl unless the user configured with --disable-nls.
+dnl builtin zlib dnl is used by default unless the user configured with
+dnl --with-system-zlib.
 
 AC_DEFUN([AM_ZLIB],
 [
-  # See if the user specified whether he wants zlib support or not.
+  # Use the system's zlib library.
-  AC_ARG_WITH(zlib,
+  zlibdir="-L\$(top_builddir)/../zlib"
-    [  --with-zlib             include zlib support (auto/yes/no) [default=auto]],
+  zlibinc="-I\$(top_srcdir)/../zlib"
-    [], [with_zlib=auto])
+  AC_ARG_WITH(system-zlib,
-
+  [AS_HELP_STRING([--with-system-zlib], [use installed libz])],
-  if test "$with_zlib" != "no"; then
+  if test x$with_system_zlib = xyes ; then
-    AC_SEARCH_LIBS(zlibVersion, z, [AC_CHECK_HEADERS(zlib.h)])
+    zlibdir=
-    if test "$with_zlib" = "yes" -a "$ac_cv_header_zlib_h" != "yes"; then
+    zlibinc=
-      AC_MSG_ERROR([zlib (libz) library was explicitly requested but not found])
-    fi
   fi
+  )
+  AC_SUBST(zlibdir)
+  AC_SUBST(zlibinc)
 ])
-

depcomp

@@ -1,10 +1,9 @@
 #! /bin/sh
 # depcomp - compile a program generating dependencies as side-effects
 
-scriptversion=2009-04-28.21; # UTC
+scriptversion=2013-05-30.07; # UTC
 
-# Copyright (C) 1999, 2000, 2003, 2004, 2005, 2006, 2007, 2009 Free
+# Copyright (C) 1999-2014 Free Software Foundation, Inc.
-# Software Foundation, Inc.
 
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -28,7 +27,7 @@ scriptversion=2009-04-28.21; # UTC
 
 case $1 in
   '')
-     echo "$0: No command.  Try \`$0 --help' for more information." 1>&2
+    echo "$0: No command.  Try '$0 --help' for more information." 1>&2
     exit 1;
     ;;
   -h | --h*)
@@ -40,11 +39,11 @@ as side-effects.
 
 Environment variables:
   depmode     Dependency tracking mode.
-  source      Source file read by `PROGRAMS ARGS'.
+  source      Source file read by 'PROGRAMS ARGS'.
-  object      Object file output by `PROGRAMS ARGS'.
+  object      Object file output by 'PROGRAMS ARGS'.
   DEPDIR      directory where to store dependencies.
   depfile     Dependency file to output.
-  tmpdepfile  Temporary file to use when outputing dependencies.
+  tmpdepfile  Temporary file to use when outputting dependencies.
   libtool     Whether libtool is used (yes/no).
 
 Report bugs to <bug-automake@gnu.org>.
@@ -57,6 +56,66 @@ EOF
     ;;
 esac
 
+# Get the directory component of the given path, and save it in the
+# global variables '$dir'.  Note that this directory component will
+# be either empty or ending with a '/' character.  This is deliberate.
+set_dir_from ()
+{
+  case $1 in
+    */*) dir=`echo "$1" | sed -e 's|/[^/]*$|/|'`;;
+      *) dir=;;
+  esac
+}
+
+# Get the suffix-stripped basename of the given path, and save it the
+# global variable '$base'.
+set_base_from ()
+{
+  base=`echo "$1" | sed -e 's|^.*/||' -e 's/\.[^.]*$//'`
+}
+
+# If no dependency file was actually created by the compiler invocation,
+# we still have to create a dummy depfile, to avoid errors with the
+# Makefile "include basename.Plo" scheme.
+make_dummy_depfile ()
+{
+  echo "#dummy" > "$depfile"
+}
+
+# Factor out some common post-processing of the generated depfile.
+# Requires the auxiliary global variable '$tmpdepfile' to be set.
+aix_post_process_depfile ()
+{
+  # If the compiler actually managed to produce a dependency file,
+  # post-process it.
+  if test -f "$tmpdepfile"; then
+    # Each line is of the form 'foo.o: dependency.h'.
+    # Do two passes, one to just change these to
+    #   $object: dependency.h
+    # and one to simply output
+    #   dependency.h:
+    # which is needed to avoid the deleted-header problem.
+    { sed -e "s,^.*\.[$lower]*:,$object:," < "$tmpdepfile"
+      sed -e "s,^.*\.[$lower]*:[$tab ]*,," -e 's,$,:,' < "$tmpdepfile"
+    } > "$depfile"
+    rm -f "$tmpdepfile"
+  else
+    make_dummy_depfile
+  fi
+}
+
+# A tabulation character.
+tab='	'
+# A newline character.
+nl='
+'
+# Character ranges might be problematic outside the C locale.
+# These definitions help.
+upper=ABCDEFGHIJKLMNOPQRSTUVWXYZ
+lower=abcdefghijklmnopqrstuvwxyz
+digits=0123456789
+alpha=${upper}${lower}
+
 if test -z "$depmode" || test -z "$source" || test -z "$object"; then
   echo "depcomp: Variables source, object and depmode must be set" 1>&2
   exit 1
@@ -69,6 +128,9 @@ tmpdepfile=${tmpdepfile-`echo "$depfile" | sed 's/\.\([^.]*\)$/.T\1/'`}
 
 rm -f "$tmpdepfile"
 
+# Avoid interferences from the environment.
+gccflag= dashmflag=
+
 # Some modes work just like other modes, but use different flags.  We
 # parameterize here, but still list the modes in the big case below,
 # to make depend.m4 easier to write.  Note that we *cannot* use a case
@@ -90,10 +152,24 @@ if test "$depmode" = msvcmsys; then
   # This is just like msvisualcpp but w/o cygpath translation.
   # Just convert the backslash-escaped backslashes to single forward
   # slashes to satisfy depend.m4
-   cygpath_u="sed s,\\\\\\\\,/,g"
+  cygpath_u='sed s,\\\\,/,g'
   depmode=msvisualcpp
 fi
 
+if test "$depmode" = msvc7msys; then
+  # This is just like msvc7 but w/o cygpath translation.
+  # Just convert the backslash-escaped backslashes to single forward
+  # slashes to satisfy depend.m4
+  cygpath_u='sed s,\\\\,/,g'
+  depmode=msvc7
+fi
+
+if test "$depmode" = xlc; then
+  # IBM C/C++ Compilers xlc/xlC can output gcc-like dependency information.
+  gccflag=-qmakedep=gcc,-MF
+  depmode=gcc
+fi
+
 case "$depmode" in
 gcc3)
 ## gcc 3 implements dependency tracking that does exactly what
@@ -114,8 +190,7 @@ gcc3)
   done
   "$@"
   stat=$?
-  if test $stat -eq 0; then :
+  if test $stat -ne 0; then
-  else
     rm -f "$tmpdepfile"
     exit $stat
   fi
@@ -123,13 +198,17 @@ gcc3)
   ;;
 
 gcc)
+## Note that this doesn't just cater to obsosete pre-3.x GCC compilers.
+## but also to in-use compilers like IMB xlc/xlC and the HP C compiler.
+## (see the conditional assignment to $gccflag above).
 ## There are various ways to get dependency output from gcc.  Here's
 ## why we pick this rather obscure method:
 ## - Don't want to use -MD because we'd like the dependencies to end
 ##   up in a subdir.  Having to rename by hand is ugly.
 ##   (We might end up doing this anyway to support other compilers.)
 ## - The DEPENDENCIES_OUTPUT environment variable makes gcc act like
-##   -MM, not -M (despite what the docs say).
+##   -MM, not -M (despite what the docs say).  Also, it might not be
+##   supported by the other compilers which use the 'gcc' depmode.
 ## - Using -M directly means running the compiler twice (even worse
 ##   than renaming).
   if test -z "$gccflag"; then
@@ -137,31 +216,31 @@ gcc)
   fi
   "$@" -Wp,"$gccflag$tmpdepfile"
   stat=$?
-  if test $stat -eq 0; then :
+  if test $stat -ne 0; then
-  else
     rm -f "$tmpdepfile"
     exit $stat
   fi
   rm -f "$depfile"
   echo "$object : \\" > "$depfile"
-  alpha=ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz
+  # The second -e expression handles DOS-style file names with drive
-## The second -e expression handles DOS-style file names with drive letters.
+  # letters.
   sed -e 's/^[^:]*: / /' \
       -e 's/^['$alpha']:\/[^:]*: / /' < "$tmpdepfile" >> "$depfile"
-## This next piece of magic avoids the `deleted header file' problem.
+## This next piece of magic avoids the "deleted header file" problem.
 ## The problem is that when a header file which appears in a .P file
 ## is deleted, the dependency causes make to die (because there is
 ## typically no way to rebuild the header).  We avoid this by adding
 ## dummy dependencies for each header file.  Too bad gcc doesn't do
 ## this for us directly.
-  tr ' ' '
+## Some versions of gcc put a space before the ':'.  On the theory
-' < "$tmpdepfile" |
-## Some versions of gcc put a space before the `:'.  On the theory
 ## that the space means something, we add a space to the output as
-## well.
+## well.  hp depmode also adds that space, but also prefixes the VPATH
+## to the object.  Take care to not repeat it in the output.
 ## Some versions of the HPUX 10.20 sed can't process this invocation
 ## correctly.  Breaking it into two sed invocations is a workaround.
-    sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
+  tr ' ' "$nl" < "$tmpdepfile" \
+    | sed -e 's/^\\$//' -e '/^$/d' -e "s|.*$object$||" -e '/:$/d' \
+    | sed -e 's/$/ :/' >> "$depfile"
   rm -f "$tmpdepfile"
   ;;
 
@@ -172,59 +251,21 @@ hp)
   exit 1
   ;;
 
-sgi)
+xlc)
-  if test "$libtool" = yes; then
+  # This case exists only to let depend.m4 do its work.  It works by
-    "$@" "-Wp,-MDupdate,$tmpdepfile"
+  # looking at the text of this script.  This case will never be run,
-  else
+  # since it is checked for above.
-    "$@" -MDupdate "$tmpdepfile"
+  exit 1
-  fi
-  stat=$?
-  if test $stat -eq 0; then :
-  else
-    rm -f "$tmpdepfile"
-    exit $stat
-  fi
-  rm -f "$depfile"
-
-  if test -f "$tmpdepfile"; then  # yes, the sourcefile depend on other files
-    echo "$object : \\" > "$depfile"
-
-    # Clip off the initial element (the dependent).  Don't try to be
-    # clever and replace this with sed code, as IRIX sed won't handle
-    # lines with more than a fixed number of characters (4096 in
-    # IRIX 6.2 sed, 8192 in IRIX 6.5).  We also remove comment lines;
-    # the IRIX cc adds comments like `#:fec' to the end of the
-    # dependency line.
-    tr ' ' '
-' < "$tmpdepfile" \
-    | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' | \
-    tr '
-' ' ' >> "$depfile"
-    echo >> "$depfile"
-
-    # The second pass generates a dummy entry for each header file.
-    tr ' ' '
-' < "$tmpdepfile" \
-   | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' -e 's/$/:/' \
-   >> "$depfile"
-  else
-    # The sourcefile does not contain any dependencies, so just
-    # store a dummy comment line, to avoid errors with the Makefile
-    # "include basename.Plo" scheme.
-    echo "#dummy" > "$depfile"
-  fi
-  rm -f "$tmpdepfile"
   ;;
 
 aix)
   # The C for AIX Compiler uses -M and outputs the dependencies
   # in a .u file.  In older versions, this file always lives in the
-  # current directory.  Also, the AIX compiler puts `$object:' at the
+  # current directory.  Also, the AIX compiler puts '$object:' at the
   # start of each line; $object doesn't have directory information.
   # Version 6 uses the directory in both cases.
-  dir=`echo "$object" | sed -e 's|/[^/]*$|/|'`
+  set_dir_from "$object"
-  test "x$dir" = "x$object" && dir=
+  set_base_from "$object"
-  base=`echo "$object" | sed -e 's|^.*/||' -e 's/\.o$//' -e 's/\.lo$//'`
   if test "$libtool" = yes; then
     tmpdepfile1=$dir$base.u
     tmpdepfile2=$base.u
@@ -237,9 +278,7 @@ aix)
     "$@" -M
   fi
   stat=$?
-
+  if test $stat -ne 0; then
-  if test $stat -eq 0; then :
-  else
     rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
     exit $stat
   fi
@@ -248,44 +287,100 @@ aix)
   do
     test -f "$tmpdepfile" && break
   done
-  if test -f "$tmpdepfile"; then
+  aix_post_process_depfile
-    # Each line is of the form `foo.o: dependent.h'.
+  ;;
-    # Do two passes, one to just change these to
+
-    # `$object: dependent.h' and one to simply `dependent.h:'.
+tcc)
-    sed -e "s,^.*\.[a-z]*:,$object:," < "$tmpdepfile" > "$depfile"
+  # tcc (Tiny C Compiler) understand '-MD -MF file' since version 0.9.26
-    # That's a tab and a space in the [].
+  # FIXME: That version still under development at the moment of writing.
-    sed -e 's,^.*\.[a-z]*:[	 ]*,,' -e 's,$,:,' < "$tmpdepfile" >> "$depfile"
+  #        Make that this statement remains true also for stable, released
-  else
+  #        versions.
-    # The sourcefile does not contain any dependencies, so just
+  # It will wrap lines (doesn't matter whether long or short) with a
-    # store a dummy comment line, to avoid errors with the Makefile
+  # trailing '\', as in:
-    # "include basename.Plo" scheme.
+  #
-    echo "#dummy" > "$depfile"
+  #   foo.o : \
+  #    foo.c \
+  #    foo.h \
+  #
+  # It will put a trailing '\' even on the last line, and will use leading
+  # spaces rather than leading tabs (at least since its commit 0394caf7
+  # "Emit spaces for -MD").
+  "$@" -MD -MF "$tmpdepfile"
+  stat=$?
+  if test $stat -ne 0; then
+    rm -f "$tmpdepfile"
+    exit $stat
   fi
+  rm -f "$depfile"
+  # Each non-empty line is of the form 'foo.o : \' or ' dep.h \'.
+  # We have to change lines of the first kind to '$object: \'.
+  sed -e "s|.*:|$object :|" < "$tmpdepfile" > "$depfile"
+  # And for each line of the second kind, we have to emit a 'dep.h:'
+  # dummy dependency, to avoid the deleted-header problem.
+  sed -n -e 's|^  *\(.*\) *\\$|\1:|p' < "$tmpdepfile" >> "$depfile"
   rm -f "$tmpdepfile"
   ;;
 
-icc)
+## The order of this option in the case statement is important, since the
-  # Intel's C compiler understands `-MD -MF file'.  However on
+## shell code in configure will try each of these formats in the order
-  #    icc -MD -MF foo.d -c -o sub/foo.o sub/foo.c
+## listed in this file.  A plain '-MD' option would be understood by many
-  # ICC 7.0 will fill foo.d with something like
+## compilers, so we must ensure this comes after the gcc and icc options.
-  #    foo.o: sub/foo.c
+pgcc)
-  #    foo.o: sub/foo.h
+  # Portland's C compiler understands '-MD'.
-  # which is wrong.  We want:
+  # Will always output deps to 'file.d' where file is the root name of the
-  #    sub/foo.o: sub/foo.c
+  # source file under compilation, even if file resides in a subdirectory.
-  #    sub/foo.o: sub/foo.h
+  # The object file name does not affect the name of the '.d' file.
-  #    sub/foo.c:
+  # pgcc 10.2 will output
-  #    sub/foo.h:
-  # ICC 7.1 will output
   #    foo.o: sub/foo.c sub/foo.h
-  # and will wrap long lines using \ :
+  # and will wrap long lines using '\' :
   #    foo.o: sub/foo.c ... \
   #     sub/foo.h ... \
   #     ...
+  set_dir_from "$object"
+  # Use the source, not the object, to determine the base name, since
+  # that's sadly what pgcc will do too.
+  set_base_from "$source"
+  tmpdepfile=$base.d
 
-  "$@" -MD -MF "$tmpdepfile"
+  # For projects that build the same source file twice into different object
+  # files, the pgcc approach of using the *source* file root name can cause
+  # problems in parallel builds.  Use a locking strategy to avoid stomping on
+  # the same $tmpdepfile.
+  lockdir=$base.d-lock
+  trap "
+    echo '$0: caught signal, cleaning up...' >&2
+    rmdir '$lockdir'
+    exit 1
+  " 1 2 13 15
+  numtries=100
+  i=$numtries
+  while test $i -gt 0; do
+    # mkdir is a portable test-and-set.
+    if mkdir "$lockdir" 2>/dev/null; then
+      # This process acquired the lock.
+      "$@" -MD
       stat=$?
-  if test $stat -eq 0; then :
+      # Release the lock.
+      rmdir "$lockdir"
+      break
     else
+      # If the lock is being held by a different process, wait
+      # until the winning process is done or we timeout.
+      while test -d "$lockdir" && test $i -gt 0; do
+        sleep 1
+        i=`expr $i - 1`
+      done
+    fi
+    i=`expr $i - 1`
+  done
+  trap - 1 2 13 15
+  if test $i -le 0; then
+    echo "$0: failed to acquire lock after $numtries attempts" >&2
+    echo "$0: check lockdir '$lockdir'" >&2
+    exit 1
+  fi
+
+  if test $stat -ne 0; then
     rm -f "$tmpdepfile"
     exit $stat
   fi
@@ -297,8 +392,8 @@ icc)
   sed "s,^[^:]*:,$object :," < "$tmpdepfile" > "$depfile"
   # Some versions of the HPUX 10.20 sed can't process this invocation
   # correctly.  Breaking it into two sed invocations is a workaround.
-  sed 's,^[^:]*: \(.*\)$,\1,;s/^\\$//;/^$/d;/:$/d' < "$tmpdepfile" |
+  sed 's,^[^:]*: \(.*\)$,\1,;s/^\\$//;/^$/d;/:$/d' < "$tmpdepfile" \
-    sed -e 's/$/ :/' >> "$depfile"
+    | sed -e 's/$/ :/' >> "$depfile"
   rm -f "$tmpdepfile"
   ;;
 
@@ -309,9 +404,8 @@ hp2)
   # 'foo.d', which lands next to the object file, wherever that
   # happens to be.
   # Much of this is similar to the tru64 case; see comments there.
-  dir=`echo "$object" | sed -e 's|/[^/]*$|/|'`
+  set_dir_from  "$object"
-  test "x$dir" = "x$object" && dir=
+  set_base_from "$object"
-  base=`echo "$object" | sed -e 's|^.*/||' -e 's/\.o$//' -e 's/\.lo$//'`
   if test "$libtool" = yes; then
     tmpdepfile1=$dir$base.d
     tmpdepfile2=$dir.libs/$base.d
@@ -322,8 +416,7 @@ hp2)
     "$@" +Maked
   fi
   stat=$?
-  if test $stat -eq 0; then :
+  if test $stat -ne 0; then
-  else
      rm -f "$tmpdepfile1" "$tmpdepfile2"
      exit $stat
   fi
@@ -333,8 +426,8 @@ hp2)
     test -f "$tmpdepfile" && break
   done
   if test -f "$tmpdepfile"; then
-    sed -e "s,^.*\.[a-z]*:,$object:," "$tmpdepfile" > "$depfile"
+    sed -e "s,^.*\.[$lower]*:,$object:," "$tmpdepfile" > "$depfile"
-    # Add `dependent.h:' lines.
+    # Add 'dependent.h:' lines.
     sed -ne '2,${
                s/^ *//
                s/ \\*$//
@@ -342,67 +435,97 @@ hp2)
                p
              }' "$tmpdepfile" >> "$depfile"
   else
-    echo "#dummy" > "$depfile"
+    make_dummy_depfile
   fi
   rm -f "$tmpdepfile" "$tmpdepfile2"
   ;;
 
 tru64)
   # The Tru64 compiler uses -MD to generate dependencies as a side
-   # effect.  `cc -MD -o foo.o ...' puts the dependencies into `foo.o.d'.
+  # effect.  'cc -MD -o foo.o ...' puts the dependencies into 'foo.o.d'.
   # At least on Alpha/Redhat 6.1, Compaq CCC V6.2-504 seems to put
-   # dependencies in `foo.d' instead, so we check for that too.
+  # dependencies in 'foo.d' instead, so we check for that too.
   # Subdirectories are respected.
-   dir=`echo "$object" | sed -e 's|/[^/]*$|/|'`
+  set_dir_from  "$object"
-   test "x$dir" = "x$object" && dir=
+  set_base_from "$object"
-   base=`echo "$object" | sed -e 's|^.*/||' -e 's/\.o$//' -e 's/\.lo$//'`
 
   if test "$libtool" = yes; then
-      # With Tru64 cc, shared objects can also be used to make a
+    # Libtool generates 2 separate objects for the 2 libraries.  These
-      # static library.  This mechanism is used in libtool 1.4 series to
+    # two compilations output dependencies in $dir.libs/$base.o.d and
-      # handle both shared and static libraries in a single compilation.
-      # With libtool 1.4, dependencies were output in $dir.libs/$base.lo.d.
-      #
-      # With libtool 1.5 this exception was removed, and libtool now
-      # generates 2 separate objects for the 2 libraries.  These two
-      # compilations output dependencies in $dir.libs/$base.o.d and
     # in $dir$base.o.d.  We have to check for both files, because
     # one of the two compilations can be disabled.  We should prefer
     # $dir$base.o.d over $dir.libs/$base.o.d because the latter is
     # automatically cleaned when .libs/ is deleted, while ignoring
     # the former would cause a distcleancheck panic.
-      tmpdepfile1=$dir.libs/$base.lo.d   # libtool 1.4
+    tmpdepfile1=$dir$base.o.d          # libtool 1.5
-      tmpdepfile2=$dir$base.o.d          # libtool 1.5
+    tmpdepfile2=$dir.libs/$base.o.d    # Likewise.
-      tmpdepfile3=$dir.libs/$base.o.d    # libtool 1.5
+    tmpdepfile3=$dir.libs/$base.d      # Compaq CCC V6.2-504
-      tmpdepfile4=$dir.libs/$base.d      # Compaq CCC V6.2-504
     "$@" -Wc,-MD
   else
-      tmpdepfile1=$dir$base.o.d
+    tmpdepfile1=$dir$base.d
     tmpdepfile2=$dir$base.d
     tmpdepfile3=$dir$base.d
-      tmpdepfile4=$dir$base.d
     "$@" -MD
   fi
 
   stat=$?
-   if test $stat -eq 0; then :
+  if test $stat -ne 0; then
-   else
+    rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
-      rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" "$tmpdepfile4"
     exit $stat
   fi
 
-   for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" "$tmpdepfile4"
+  for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
   do
     test -f "$tmpdepfile" && break
   done
-   if test -f "$tmpdepfile"; then
+  # Same post-processing that is required for AIX mode.
-      sed -e "s,^.*\.[a-z]*:,$object:," < "$tmpdepfile" > "$depfile"
+  aix_post_process_depfile
-      # That's a tab and a space in the [].
+  ;;
-      sed -e 's,^.*\.[a-z]*:[	 ]*,,' -e 's,$,:,' < "$tmpdepfile" >> "$depfile"
+
+msvc7)
+  if test "$libtool" = yes; then
+    showIncludes=-Wc,-showIncludes
   else
-      echo "#dummy" > "$depfile"
+    showIncludes=-showIncludes
   fi
+  "$@" $showIncludes > "$tmpdepfile"
+  stat=$?
+  grep -v '^Note: including file: ' "$tmpdepfile"
+  if test $stat -ne 0; then
     rm -f "$tmpdepfile"
+    exit $stat
+  fi
+  rm -f "$depfile"
+  echo "$object : \\" > "$depfile"
+  # The first sed program below extracts the file names and escapes
+  # backslashes for cygpath.  The second sed program outputs the file
+  # name when reading, but also accumulates all include files in the
+  # hold buffer in order to output them again at the end.  This only
+  # works with sed implementations that can handle large buffers.
+  sed < "$tmpdepfile" -n '
+/^Note: including file:  *\(.*\)/ {
+  s//\1/
+  s/\\/\\\\/g
+  p
+}' | $cygpath_u | sort -u | sed -n '
+s/ /\\ /g
+s/\(.*\)/'"$tab"'\1 \\/p
+s/.\(.*\) \\/\1:/
+H
+$ {
+  s/.*/'"$tab"'/
+  G
+  p
+}' >> "$depfile"
+  echo >> "$depfile" # make sure the fragment doesn't end with a backslash
+  rm -f "$tmpdepfile"
+  ;;
+
+msvc7msys)
+  # This case exists only to let depend.m4 do its work.  It works by
+  # looking at the text of this script.  This case will never be run,
+  # since it is checked for above.
+  exit 1
   ;;
 
 #nosideeffect)
@@ -422,7 +545,7 @@ dashmstdout)
     shift
   fi
 
-  # Remove `-o $object'.
+  # Remove '-o $object'.
   IFS=" "
   for arg
   do
@@ -442,18 +565,18 @@ dashmstdout)
   done
 
   test -z "$dashmflag" && dashmflag=-M
-  # Require at least two characters before searching for `:'
+  # Require at least two characters before searching for ':'
   # in the target name.  This is to cope with DOS-style filenames:
-  # a dependency such as `c:/foo/bar' could be seen as target `c' otherwise.
+  # a dependency such as 'c:/foo/bar' could be seen as target 'c' otherwise.
   "$@" $dashmflag |
-    sed 's:^[  ]*[^: ][^:][^:]*\:[    ]*:'"$object"'\: :' > "$tmpdepfile"
+    sed "s|^[$tab ]*[^:$tab ][^:][^:]*:[$tab ]*|$object: |" > "$tmpdepfile"
   rm -f "$depfile"
   cat < "$tmpdepfile" > "$depfile"
-  tr ' ' '
+  # Some versions of the HPUX 10.20 sed can't process this sed invocation
-' < "$tmpdepfile" | \
+  # correctly.  Breaking it into two sed invocations is a workaround.
-## Some versions of the HPUX 10.20 sed can't process this invocation
+  tr ' ' "$nl" < "$tmpdepfile" \
-## correctly.  Breaking it into two sed invocations is a workaround.
+    | sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' \
-    sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
+    | sed -e 's/$/ :/' >> "$depfile"
   rm -f "$tmpdepfile"
   ;;
 
@@ -503,12 +626,15 @@ makedepend)
   touch "$tmpdepfile"
   ${MAKEDEPEND-makedepend} -o"$obj_suffix" -f"$tmpdepfile" "$@"
   rm -f "$depfile"
-  cat < "$tmpdepfile" > "$depfile"
+  # makedepend may prepend the VPATH from the source file name to the object.
-  sed '1,2d' "$tmpdepfile" | tr ' ' '
+  # No need to regex-escape $object, excess matching of '.' is harmless.
-' | \
+  sed "s|^.*\($object *:\)|\1|" "$tmpdepfile" > "$depfile"
-## Some versions of the HPUX 10.20 sed can't process this invocation
+  # Some versions of the HPUX 10.20 sed can't process the last invocation
-## correctly.  Breaking it into two sed invocations is a workaround.
+  # correctly.  Breaking it into two sed invocations is a workaround.
-    sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
+  sed '1,2d' "$tmpdepfile" \
+    | tr ' ' "$nl" \
+    | sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' \
+    | sed -e 's/$/ :/' >> "$depfile"
   rm -f "$tmpdepfile" "$tmpdepfile".bak
   ;;
 
@@ -525,7 +651,7 @@ cpp)
     shift
   fi
 
-  # Remove `-o $object'.
+  # Remove '-o $object'.
   IFS=" "
   for arg
   do
@@ -544,10 +670,10 @@ cpp)
     esac
   done
 
-  "$@" -E |
+  "$@" -E \
-    sed -n -e '/^# [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' \
+    | sed -n -e '/^# [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' \
-       -e '/^#line [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' |
+             -e '/^#line [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' \
-    sed '$ s: \\$::' > "$tmpdepfile"
+    | sed '$ s: \\$::' > "$tmpdepfile"
   rm -f "$depfile"
   echo "$object : \\" > "$depfile"
   cat < "$tmpdepfile" >> "$depfile"
@@ -594,8 +720,8 @@ msvisualcpp)
   sed -n '/^#line [0-9][0-9]* "\([^"]*\)"/ s::\1:p' | $cygpath_u | sort -u > "$tmpdepfile"
   rm -f "$depfile"
   echo "$object : \\" > "$depfile"
-  sed < "$tmpdepfile" -n -e 's% %\\ %g' -e '/^\(.*\)$/ s::	\1 \\:p' >> "$depfile"
+  sed < "$tmpdepfile" -n -e 's% %\\ %g' -e '/^\(.*\)$/ s::'"$tab"'\1 \\:p' >> "$depfile"
-  echo "	" >> "$depfile"
+  echo "$tab" >> "$depfile"
   sed < "$tmpdepfile" -n -e 's% %\\ %g' -e '/^\(.*\)$/ s::\1\::p' >> "$depfile"
   rm -f "$tmpdepfile"
   ;;

include/ChangeLog

@@ -1,3 +1,155 @@
+2016-03-17  Thomas Schwinge  <thomas@codesourcery.com>
+
+	* gomp-constants.h (enum gomp_map_kind): Rename
+	GOMP_MAP_FORCE_DEALLOC to GOMP_MAP_DELETE.  Adjust all users.
+
+2016-03-03  Than McIntosh <thanm@google.com>
+
+	* plugin-api.h: Add new hooks to the plugin transfer vector to
+	to support querying section alignment and section size.
+	(ld_plugin_get_input_section_alignment): New hook.
+	(ld_plugin_get_input_section_size): New hook.
+	(ld_plugin_tag): Add LDPT_GET_INPUT_SECTION_ALIGNMENT
+	and LDPT_GET_INPUT_SECTION_SIZE.
+	(ld_plugin_tv): Add tv_get_input_section_alignment and
+	tv_get_input_section_size.
+
+2016-03-03  Evgenii Stepanov  <eugenis@google.com>
+
+	* plugin-api.h (enum ld_plugin_tag): Add LDPT_GET_SYMBOLS_V3.
+
+2016-01-19  Martin Jambor  <mjambor@suse.cz>
+
+	* gomp-constants.h (GOMP_DEVICE_HSA): New macro.
+	(GOMP_VERSION_HSA): Likewise.
+	(GOMP_TARGET_ARG_DEVICE_MASK): Likewise.
+	(GOMP_TARGET_ARG_DEVICE_ALL): Likewise.
+	(GOMP_TARGET_ARG_SUBSEQUENT_PARAM): Likewise.
+	(GOMP_TARGET_ARG_ID_MASK): Likewise.
+	(GOMP_TARGET_ARG_NUM_TEAMS): Likewise.
+	(GOMP_TARGET_ARG_THREAD_LIMIT): Likewise.
+	(GOMP_TARGET_ARG_VALUE_SHIFT): Likewise.
+	(GOMP_TARGET_ARG_HSA_KERNEL_ATTRIBUTES): Likewise.
+
+2016-01-07  Mike Frysinger  <vapier@gentoo.org>
+
+	* longlong.h: Change !__SHMEDIA__ to
+	(!defined (__SHMEDIA__) || !__SHMEDIA__).
+	Change __SHMEDIA__ to defined (__SHMEDIA__) && __SHMEDIA__.
+
+2016-01-05  Mike Frysinger  <vapier@gentoo.org>
+
+	* libiberty.h (dupargv): Change arg to char * const *.
+	(writeargv, countargv): Likewise.
+
+2015-11-25  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
+
+	* vtv-change-permission.h (VTV_PAGE_SIZE) [__sun__ && __svr4__ &&
+	__sparc__]: Define.
+
+2015-11-12  James Norris  <jnorris@codesourcery.com>
+	    Joseph Myers  <joseph@codesourcery.com>
+
+	* gomp-constants.h (enum gomp_map_kind): Add GOMP_MAP_DEVICE_RESIDENT
+	and GOMP_MAP_LINK.
+
+2015-11-09  Alan Modra  <amodra@gmail.com>
+
+	PR gdb/17133
+	* obstack.h (__attribute_pure__): Expand _GL_ATTRIBUTE_PURE.
+
+2015-11-09  Alan Modra  <amodra@gmail.com>
+
+	PR gdb/17133
+	* obstack.h: Import current gnulib file.
+
+2015-11-05  Jakub Jelinek  <jakub@redhat.com>
+	    Ilya Verbin  <ilya.verbin@intel.com>
+
+	* gomp-constants.h (GOMP_MAP_FLAG_SPECIAL_2): Define.
+	(GOMP_MAP_FLAG_ALWAYS): Remove.
+	(enum gomp_map_kind): Use GOMP_MAP_FLAG_SPECIAL_2 instead of
+	GOMP_MAP_FLAG_ALWAYS for GOMP_MAP_ALWAYS_TO, GOMP_MAP_ALWAYS_FROM,
+	GOMP_MAP_ALWAYS_TOFROM, GOMP_MAP_STRUCT, GOMP_MAP_RELEASE.
+	Add GOMP_MAP_ALWAYS_POINTER and GOMP_MAP_FIRSTPRIVATE_REFERENCE.
+	(GOMP_MAP_ALWAYS_P): Define.
+	(GOMP_TARGET_FLAG_NOWAIT): Adjust comment.
+
+2015-10-27  Daniel Jacobowitz  <dan@codesourcery.com>
+	    Joseph Myers  <joseph@codesourcery.com>
+	    Mark Shinwell  <shinwell@codesourcery.com>
+	    Andrew Stubbs  <ams@codesourcery.com>
+	    Rich Felker <dalias@libc.org>
+
+	* longlong.h (udiv_qrnnd): Add FDPIC compatible version for SH.
+
+2015-10-18  Roland McGrath  <roland@gnu.org>
+
+	PR other/63758
+	* environ.h: New file.
+
+2015-10-13  Jakub Jelinek  <jakub@redhat.com>
+	    Ilya Verbin  <ilya.verbin@intel.com>
+
+	* gomp-constants.h (GOMP_MAP_FLAG_ALWAYS): Define.
+	(enum gomp_map_kind): Add GOMP_MAP_FIRSTPRIVATE,
+	GOMP_MAP_FIRSTPRIVATE_INT, GOMP_MAP_USE_DEVICE_PTR,
+	GOMP_MAP_ZERO_LEN_ARRAY_SECTION, GOMP_MAP_ALWAYS_TO,
+	GOMP_MAP_ALWAYS_FROM, GOMP_MAP_ALWAYS_TOFROM, GOMP_MAP_STRUCT,
+	GOMP_MAP_DELETE_ZERO_LEN_ARRAY_SECTION, GOMP_MAP_DELETE,
+	GOMP_MAP_RELEASE, GOMP_MAP_FIRSTPRIVATE_POINTER.
+	(GOMP_MAP_ALWAYS_TO_P, GOMP_MAP_ALWAYS_FROM_P): Define.
+	(GOMP_TASK_FLAG_UNTIED, GOMP_TASK_FLAG_FINAL, GOMP_TASK_FLAG_MERGEABLE,
+	GOMP_TASK_FLAG_DEPEND, GOMP_TASK_FLAG_PRIORITY, GOMP_TASK_FLAG_UP,
+	GOMP_TASK_FLAG_GRAINSIZE, GOMP_TASK_FLAG_IF, GOMP_TASK_FLAG_NOGROUP,
+	GOMP_TARGET_FLAG_NOWAIT, GOMP_TARGET_FLAG_EXIT_DATA,
+	GOMP_TARGET_FLAG_UPDATE): Define.
+
+2015-09-28  Nathan Sidwell  <nathan@codesourcery.com>
+
+	* gomp-constants.h (GOMP_VERSION_NVIDIA_PTX): Increment.
+	(GOMP_DIM_GANG, GOMP_DIM_WORKER, GOMP_DIM_VECTOR, GOMP_DIM_MAX,
+	GOMP_DIM_MASK): New.
+	(GOMP_LAUNCH_DIM, GOMP_LAUNCH_ASYNC, GOMP_LAUNCH_WAIT): New.
+	(GOMP_LAUNCH_CODE_SHIFT, GOMP_LAUNCH_DEVICE_SHIFT,
+	GOMP_LAUNCH_OP_SHIFT): New.
+	(GOMP_LAUNCH_PACK, GOMP_LAUNCH_CODE, GOMP_LAUNCH_DEVICE,
+	GOMP_LAUNCH_OP): New.
+	(GOMP_LAUNCH_OP_MAX): New.
+
+2015-08-24  Nathan Sidwell  <nathan@codesourcery.com>
+
+	* gomp-constants.h (GOMP_VERSION, GOMP_VERSION_NVIDIA_PTX,
+	GOMP_VERSION_INTEL_MIC): New.
+	(GOMP_VERSION_PACK, GOMP_VERSION_LIB, GOMP_VERSION_DEV): New.
+
+2015-08-14  Pierre-Marie de Rodat  <derodat@adacore.com>
+
+	* dwarf2.def (DW_AT_GNU_bias): New attribute.
+
+2015-08-14  Pierre-Marie de Rodat  <derodat@adacore.com>
+
+	* dwarf2.def (DW_AT_GNU_numerator, DW_AT_GNU_denominator): New
+	attributes.
+
+2015-08-11  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
+
+	* ansidecl.h (GCC_FINAL): New macro.
+
+2015-08-10  Thomas Schwinge  <thomas@codesourcery.com>
+
+	* gomp-constants.c (GOMP_DEVICE_HOST_NONSHM): Remove.
+
+2015-05-22  Yunlian Jiang  <yunlian@google.com>
+
+	* libiberty.h (asprintf): Don't declare if HAVE_DECL_ASPRINTF is
+	not defined.
+
+2015-03-19  Richard Biener  <rguenther@suse.de>
+
+	* partition.h (struct partition_elem): Re-order elements to
+	avoid padding.
+
 2015-03-02  Markus Trippelsdorf  <markus@trippelsdorf.de>
 
 	PR target/65261
@@ -18,7 +170,7 @@
 
 	* gomp-constants.h: New file.
 
-2015-12-14  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
+2014-12-14  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
 
 	* libiberty.h: Merge Copyright year update from Binutils.
 
@@ -62,15 +214,16 @@
 	(DW_AT_APPLE_property_attribute, DW_AT_APPLE_objc_complete_type)
 	(DW_AT_APPLE_property): New macros.
 
-2014-11-11  David Malcolm  <dmalcolm@redhat.com>
+2014-11-11  Anthony Brandon  <anthony.brandon@gmail.com>
-
+	    Manuel López-Ibáñez  <manu@gcc.gnu.org>
-	* ChangeLog.jit: New.
-
-2014-11-05  Anthony Brandon  <anthony.brandon@gmail.com>
 
 	PR driver/36312
 	* filenames.h: Add prototype for canonical_filename_eq.
 
+2014-11-11  David Malcolm  <dmalcolm@redhat.com>
+
+	* ChangeLog.jit: New.
+
 2014-10-28  Richard Henderson  <rth@redhat.com>
 
 	* longlong.h [__alpha] (umul_ppmm): Disable for c++.

include/ChangeLog-9103

@@ -2674,12 +2674,6 @@ Wed Aug 21 20:32:13 1991  John Gilmore  (gnu at cygint.cygnus.com)
 	to reflect reality as I know it.
 
 
-Copyright (C) 1993-2003 Free Software Foundation, Inc.
-
-Copying and distribution of this file, with or without modification,
-are permitted in any medium without royalty provided the copyright
-notice and this notice are preserved.
-
 Local Variables:
 mode: change-log
 left-margin: 8

include/ChangeLog.jit

@@ -0,0 +1,11 @@
+2014-09-25  David Malcolm  <dmalcolm@redhat.com>
+
+	* libiberty.h (choose_tmpdir): New prototype.
+	* ChangeLog.jit: New.
+
+
+Copyright (C) 2014 Free Software Foundation, Inc.
+
+Copying and distribution of this file, with or without modification,
+are permitted in any medium without royalty provided the copyright
+notice and this notice are preserved.

include/ansidecl.h

@@ -1,7 +1,5 @@
 /* ANSI and traditional C compatability macros
-   Copyright 1991, 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001,
+   Copyright (C) 1991-2015 Free Software Foundation, Inc.
-   2002, 2003, 2004, 2005, 2006, 2007, 2009, 2010, 2013
-   Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
 This program is free software; you can redistribute it and/or modify
@@ -313,6 +311,15 @@ So instead we use the macro below and test it against specific values.  */
 #define ENUM_BITFIELD(TYPE) __extension__ enum TYPE
 #else
 #define ENUM_BITFIELD(TYPE) unsigned int
+#endif
+
+    /* This is used to mark a class or virtual function as final.  */
+#if __cplusplus >= 201103L
+#define GCC_FINAL final
+#elif GCC_VERSION >= 4007
+#define GCC_FINAL __final
+#else
+#define GCC_FINAL
 #endif
 
 #ifdef __cplusplus

include/demangle.h

@@ -1,6 +1,5 @@
 /* Defs for interface to demanglers.
-   Copyright 1992, 1993, 1994, 1995, 1996, 1997, 1998, 2000, 2001, 2002,
+   Copyright (C) 1992-2015 Free Software Foundation, Inc.
-   2003, 2004, 2005, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
 
    This program is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public License
@@ -380,6 +379,10 @@ enum demangle_component_type
   /* A typecast, represented as a unary operator.  The one subtree is
      the type to which the argument should be cast.  */
   DEMANGLE_COMPONENT_CAST,
+  /* A conversion operator, represented as a unary operator.  The one
+     subtree is the type to which the argument should be converted
+     to.  */
+  DEMANGLE_COMPONENT_CONVERSION,
   /* A nullary expression.  The left subtree is the operator.  */
   DEMANGLE_COMPONENT_NULLARY,
   /* A unary expression.  The left subtree is the operator, and the
@@ -443,6 +446,8 @@ enum demangle_component_type
   DEMANGLE_COMPONENT_PACK_EXPANSION,
   /* A name with an ABI tag.  */
   DEMANGLE_COMPONENT_TAGGED_NAME,
+  /* A transaction-safe function type.  */
+  DEMANGLE_COMPONENT_TRANSACTION_SAFE,
   /* A cloned function.  */
   DEMANGLE_COMPONENT_CLONE
 };

include/dwarf2.def

@@ -1,9 +1,7 @@
 /* -*- c -*-
    Declarations and definitions of codes relating to the DWARF2 and
    DWARF3 symbolic debugging information formats.
-   Copyright (C) 1992, 1993, 1995, 1996, 1997, 1999, 2000, 2001, 2002,
+   Copyright (C) 1992-2015 Free Software Foundation, Inc.
-   2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
-   Free Software Foundation, Inc.
 
    Written by Gary Funck (gary@intrepid.com) The Ada Joint Program
    Office (AJPO), Florida State University and Silicon Graphics Inc.
@@ -406,6 +404,13 @@ DW_AT (DW_AT_VMS_rtnbeg_pd_address, 0x2201)
    See http://gcc.gnu.org/wiki/DW_AT_GNAT_descriptive_type .  */
 DW_AT (DW_AT_use_GNAT_descriptive_type, 0x2301)
 DW_AT (DW_AT_GNAT_descriptive_type, 0x2302)
+/* Rational constant extension.
+   See https://gcc.gnu.org/wiki/DW_AT_GNU_numerator_denominator .  */
+DW_TAG (DW_AT_GNU_numerator, 0x2303)
+DW_TAG (DW_AT_GNU_denominator, 0x2304)
+/* Biased integer extension.
+   See https://gcc.gnu.org/wiki/DW_AT_GNU_bias .  */
+DW_TAG (DW_AT_GNU_bias, 0x2305)
 /* UPC extension.  */
 DW_AT (DW_AT_upc_threads_scaled, 0x3210)
 /* PGI (STMicroelectronics) extensions.  */

include/dwarf2.h

@@ -1,8 +1,6 @@
 /* Declarations and definitions of codes relating to the DWARF2 and
    DWARF3 symbolic debugging information formats.
-   Copyright (C) 1992, 1993, 1995, 1996, 1997, 1999, 2000, 2001, 2002,
+   Copyright (C) 1992-2015 Free Software Foundation, Inc.
-   2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
-   Free Software Foundation, Inc.
 
    Written by Gary Funck (gary@intrepid.com) The Ada Joint Program
    Office (AJPO), Florida State University and Silicon Graphics Inc.

include/dyn-string.h

@@ -1,6 +1,5 @@
 /* An abstract string datatype.
-   Copyright (C) 1998, 1999, 2000, 2002, 2004, 2005, 2009
+   Copyright (C) 1998-2015 Free Software Foundation, Inc.
-   Free Software Foundation, Inc.
    Contributed by Mark Mitchell (mark@markmitchell.com).
 
 This file is part of GCC.

include/environ.h

@@ -0,0 +1,33 @@
+/* Declare the environ system variable.
+   Copyright (C) 2015 Free Software Foundation, Inc.
+
+This file is part of the libiberty library.
+Libiberty is free software; you can redistribute it and/or
+modify it under the terms of the GNU Library General Public
+License as published by the Free Software Foundation; either
+version 2 of the License, or (at your option) any later version.
+
+Libiberty is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with libiberty; see the file COPYING.LIB.  If not,
+write to the Free Software Foundation, Inc., 51 Franklin Street - Fifth Floor,
+Boston, MA 02110-1301, USA.  */
+
+/* On OSX, the environ variable can be used directly in the code of an
+   executable, but cannot be used in the code of a shared library (such as
+   GCC's liblto_plugin, which links in libiberty code).  Instead, the
+   function _NSGetEnviron can be called to get the address of environ.  */
+
+#ifndef HAVE_ENVIRON_DECL
+#  ifdef __APPLE__
+#     include <crt_externs.h>
+#     define environ (*_NSGetEnviron ())
+#  else
+extern char **environ;
+#  endif
+#  define HAVE_ENVIRON_DECL
+#endif

include/fibheap.h

@@ -1,6 +1,5 @@
 /* A Fibonacci heap datatype.
-   Copyright 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2009
+   Copyright (C) 1998-2015 Free Software Foundation, Inc.
-   Free Software Foundation, Inc.
    Contributed by Daniel Berlin (dan@cgsoftware.com).
 
 This file is part of GCC.

include/filenames.h

@@ -5,7 +5,7 @@
    use forward- and back-slash in path names interchangeably, and
    some of them have case-insensitive file names.
 
-   Copyright 2000, 2001, 2007, 2010 Free Software Foundation, Inc.
+   Copyright (C) 2000-2015 Free Software Foundation, Inc.
 
 This file is part of BFD, the Binary File Descriptor library.
 

include/floatformat.h

@@ -1,6 +1,5 @@
 /* IEEE floating point support declarations, for GDB, the GNU Debugger.
-   Copyright 1991, 1994, 1995, 1997, 2000, 2003, 2005, 2010
+   Copyright (C) 1991-2015 Free Software Foundation, Inc.
-   Free Software Foundation, Inc.
 
 This file is part of GDB.
 

include/fnmatch.h

@@ -1,4 +1,4 @@
-/* Copyright 1991, 1992, 1993, 1996 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2015 Free Software Foundation, Inc.
 
 NOTE: The canonical source of this file is maintained with the GNU C Library.
 Bugs can be reported to bug-glibc@prep.ai.mit.edu.

include/gcc-c-fe.def

@@ -1,6 +1,6 @@
 /* Interface between GCC C FE and GDB  -*- c -*-
 
-   Copyright (C) 2014 Free Software Foundation, Inc.
+   Copyright (C) 2014-2015 Free Software Foundation, Inc.
 
    This file is part of GCC.
 

include/gcc-c-interface.h

@@ -1,6 +1,6 @@
 /* Interface between GCC C FE and GDB
 
-   Copyright (C) 2014 Free Software Foundation, Inc.
+   Copyright (C) 2014-2015 Free Software Foundation, Inc.
 
    This file is part of GCC.
 

include/gcc-interface.h

@@ -1,6 +1,6 @@
 /* Generic interface between GCC and GDB
 
-   Copyright (C) 2014 Free Software Foundation, Inc.
+   Copyright (C) 2014-2015 Free Software Foundation, Inc.
 
    This file is part of GCC.
 

include/gdb/gdb-index.h

@@ -1,5 +1,5 @@
 /* Public attributes of the .gdb_index section.
-   Copyright 2012 Free Software Foundation, Inc.
+   Copyright (C) 2012-2015 Free Software Foundation, Inc.
 
    This file is part of GDB.
 

include/getopt.h

@@ -1,6 +1,5 @@
 /* Declarations for getopt.
-   Copyright 1989, 1990, 1991, 1992, 1993, 1994, 1996, 1997, 1998, 2000,
+   Copyright (C) 1989-2015 Free Software Foundation, Inc.
-   2002 Free Software Foundation, Inc.
 
    NOTE: The canonical source of this file is maintained with the GNU C Library.
    Bugs can be reported to bug-glibc@gnu.org.

include/gomp-constants.h

@@ -39,6 +39,7 @@
 /* Special map kinds, enumerated starting here.  */
 #define GOMP_MAP_FLAG_SPECIAL_0		(1 << 2)
 #define GOMP_MAP_FLAG_SPECIAL_1		(1 << 3)
+#define GOMP_MAP_FLAG_SPECIAL_2		(1 << 4)
 #define GOMP_MAP_FLAG_SPECIAL		(GOMP_MAP_FLAG_SPECIAL_1 \
 					 | GOMP_MAP_FLAG_SPECIAL_0)
 /* Flag to force a specific behavior (or else, trigger a run-time error).  */
@@ -66,10 +67,28 @@ enum gomp_map_kind
     /* Must already be present.  */
     GOMP_MAP_FORCE_PRESENT =		(GOMP_MAP_FLAG_SPECIAL_0 | 2),
     /* Deallocate a mapping, without copying from device.  */
-    GOMP_MAP_FORCE_DEALLOC =		(GOMP_MAP_FLAG_SPECIAL_0 | 3),
+    GOMP_MAP_DELETE =			(GOMP_MAP_FLAG_SPECIAL_0 | 3),
     /* Is a device pointer.  OMP_CLAUSE_SIZE for these is unused; is implicitly
        POINTER_SIZE_UNITS.  */
     GOMP_MAP_FORCE_DEVICEPTR =		(GOMP_MAP_FLAG_SPECIAL_1 | 0),
+    /* Do not map, copy bits for firstprivate instead.  */
+    /* OpenACC device_resident.  */
+    GOMP_MAP_DEVICE_RESIDENT =		(GOMP_MAP_FLAG_SPECIAL_1 | 1),
+    /* OpenACC link.  */
+    GOMP_MAP_LINK =			(GOMP_MAP_FLAG_SPECIAL_1 | 2),
+    /* Allocate.  */
+    GOMP_MAP_FIRSTPRIVATE =		(GOMP_MAP_FLAG_SPECIAL | 0),
+    /* Similarly, but store the value in the pointer rather than
+       pointed by the pointer.  */
+    GOMP_MAP_FIRSTPRIVATE_INT =		(GOMP_MAP_FLAG_SPECIAL | 1),
+    /* Pointer translate host address into device address and copy that
+       back to host.  */
+    GOMP_MAP_USE_DEVICE_PTR =		(GOMP_MAP_FLAG_SPECIAL | 2),
+    /* Allocate a zero length array section.  Prefer next non-zero length
+       mapping over previous non-zero length mapping over zero length mapping
+       at the address.  If not already mapped, do nothing (and pointer translate
+       to NULL).  */
+    GOMP_MAP_ZERO_LEN_ARRAY_SECTION = 	(GOMP_MAP_FLAG_SPECIAL | 3),
     /* Allocate.  */
     GOMP_MAP_FORCE_ALLOC =		(GOMP_MAP_FLAG_FORCE | GOMP_MAP_ALLOC),
     /* ..., and copy to device.  */
@@ -77,7 +96,44 @@ enum gomp_map_kind
     /* ..., and copy from device.  */
     GOMP_MAP_FORCE_FROM =		(GOMP_MAP_FLAG_FORCE | GOMP_MAP_FROM),
     /* ..., and copy to and from device.  */
-    GOMP_MAP_FORCE_TOFROM =		(GOMP_MAP_FLAG_FORCE | GOMP_MAP_TOFROM)
+    GOMP_MAP_FORCE_TOFROM =		(GOMP_MAP_FLAG_FORCE | GOMP_MAP_TOFROM),
+    /* If not already present, allocate.  And unconditionally copy to
+       device.  */
+    GOMP_MAP_ALWAYS_TO =		(GOMP_MAP_FLAG_SPECIAL_2 | GOMP_MAP_TO),
+    /* If not already present, allocate.  And unconditionally copy from
+       device.  */
+    GOMP_MAP_ALWAYS_FROM =		(GOMP_MAP_FLAG_SPECIAL_2
+					 | GOMP_MAP_FROM),
+    /* If not already present, allocate.  And unconditionally copy to and from
+       device.  */
+    GOMP_MAP_ALWAYS_TOFROM =		(GOMP_MAP_FLAG_SPECIAL_2
+					 | GOMP_MAP_TOFROM),
+    /* Map a sparse struct; the address is the base of the structure, alignment
+       it's required alignment, and size is the number of adjacent entries
+       that belong to the struct.  The adjacent entries should be sorted by
+       increasing address, so it is easy to determine lowest needed address
+       (address of the first adjacent entry) and highest needed address
+       (address of the last adjacent entry plus its size).  */
+    GOMP_MAP_STRUCT =			(GOMP_MAP_FLAG_SPECIAL_2
+					 | GOMP_MAP_FLAG_SPECIAL | 0),
+    /* On a location of a pointer/reference that is assumed to be already mapped
+       earlier, store the translated address of the preceeding mapping.
+       No refcount is bumped by this, and the store is done unconditionally.  */
+    GOMP_MAP_ALWAYS_POINTER =		(GOMP_MAP_FLAG_SPECIAL_2
+					 | GOMP_MAP_FLAG_SPECIAL | 1),
+    /* Forced deallocation of zero length array section.  */
+    GOMP_MAP_DELETE_ZERO_LEN_ARRAY_SECTION
+      =					(GOMP_MAP_FLAG_SPECIAL_2
+					 | GOMP_MAP_FLAG_SPECIAL | 3),
+    /* Decrement usage count and deallocate if zero.  */
+    GOMP_MAP_RELEASE =			(GOMP_MAP_FLAG_SPECIAL_2
+					 | GOMP_MAP_DELETE),
+
+    /* Internal to GCC, not used in libgomp.  */
+    /* Do not map, but pointer assign a pointer instead.  */
+    GOMP_MAP_FIRSTPRIVATE_POINTER =	(GOMP_MAP_LAST | 1),
+    /* Do not map, but pointer assign a reference instead.  */
+    GOMP_MAP_FIRSTPRIVATE_REFERENCE =	(GOMP_MAP_LAST | 2)
   };
 
 #define GOMP_MAP_COPY_TO_P(X) \
@@ -91,6 +147,15 @@ enum gomp_map_kind
 #define GOMP_MAP_POINTER_P(X) \
   ((X) == GOMP_MAP_POINTER)
 
+#define GOMP_MAP_ALWAYS_TO_P(X) \
+  (((X) == GOMP_MAP_ALWAYS_TO) || ((X) == GOMP_MAP_ALWAYS_TOFROM))
+
+#define GOMP_MAP_ALWAYS_FROM_P(X) \
+  (((X) == GOMP_MAP_ALWAYS_FROM) || ((X) == GOMP_MAP_ALWAYS_TOFROM))
+
+#define GOMP_MAP_ALWAYS_P(X) \
+  (GOMP_MAP_ALWAYS_TO_P (X) || ((X) == GOMP_MAP_ALWAYS_FROM))
+
 
 /* Asynchronous behavior.  Keep in sync with
    libgomp/{openacc.h,openacc.f90,openacc_lib.h}:acc_async_t.  */
@@ -101,16 +166,92 @@ enum gomp_map_kind
 
 /* Device codes.  Keep in sync with
    libgomp/{openacc.h,openacc.f90,openacc_lib.h}:acc_device_t as well as
-   libgomp/libgomp_target.h.  */
+   libgomp/libgomp-plugin.h.  */
 #define GOMP_DEVICE_NONE		0
 #define GOMP_DEVICE_DEFAULT		1
 #define GOMP_DEVICE_HOST		2
-#define GOMP_DEVICE_HOST_NONSHM		3
+/* #define GOMP_DEVICE_HOST_NONSHM	3 removed.  */
 #define GOMP_DEVICE_NOT_HOST		4
 #define GOMP_DEVICE_NVIDIA_PTX		5
 #define GOMP_DEVICE_INTEL_MIC		6
+#define GOMP_DEVICE_HSA			7
 
 #define GOMP_DEVICE_ICV			-1
 #define GOMP_DEVICE_HOST_FALLBACK	-2
 
+/* GOMP_task/GOMP_taskloop* flags argument.  */
+#define GOMP_TASK_FLAG_UNTIED		(1 << 0)
+#define GOMP_TASK_FLAG_FINAL		(1 << 1)
+#define GOMP_TASK_FLAG_MERGEABLE	(1 << 2)
+#define GOMP_TASK_FLAG_DEPEND		(1 << 3)
+#define GOMP_TASK_FLAG_PRIORITY		(1 << 4)
+#define GOMP_TASK_FLAG_UP		(1 << 8)
+#define GOMP_TASK_FLAG_GRAINSIZE	(1 << 9)
+#define GOMP_TASK_FLAG_IF		(1 << 10)
+#define GOMP_TASK_FLAG_NOGROUP		(1 << 11)
+
+/* GOMP_target{_ext,update_ext,enter_exit_data} flags argument.  */
+#define GOMP_TARGET_FLAG_NOWAIT		(1 << 0)
+#define GOMP_TARGET_FLAG_EXIT_DATA	(1 << 1)
+/* Internal to libgomp.  */
+#define GOMP_TARGET_FLAG_UPDATE		(1U << 31)
+
+/* Versions of libgomp and device-specific plugins.  */
+#define GOMP_VERSION	0
+#define GOMP_VERSION_NVIDIA_PTX 1
+#define GOMP_VERSION_INTEL_MIC 0
+#define GOMP_VERSION_HSA 0
+
+#define GOMP_VERSION_PACK(LIB, DEV) (((LIB) << 16) | (DEV))
+#define GOMP_VERSION_LIB(PACK) (((PACK) >> 16) & 0xffff)
+#define GOMP_VERSION_DEV(PACK) ((PACK) & 0xffff)
+
+#define GOMP_DIM_GANG	0
+#define GOMP_DIM_WORKER	1
+#define GOMP_DIM_VECTOR	2
+#define GOMP_DIM_MAX	3
+#define GOMP_DIM_MASK(X) (1u << (X))
+
+/* Varadic launch arguments.  End of list is marked by a zero.  */
+#define GOMP_LAUNCH_DIM		1  /* Launch dimensions, op = mask */
+#define GOMP_LAUNCH_ASYNC	2  /* Async, op = cst val if not MAX  */
+#define GOMP_LAUNCH_WAIT	3  /* Waits, op = num waits.  */
+#define GOMP_LAUNCH_CODE_SHIFT	28
+#define GOMP_LAUNCH_DEVICE_SHIFT 16
+#define GOMP_LAUNCH_OP_SHIFT 0
+#define GOMP_LAUNCH_PACK(CODE,DEVICE,OP)	\
+  (((CODE) << GOMP_LAUNCH_CODE_SHIFT)		\
+   | ((DEVICE) << GOMP_LAUNCH_DEVICE_SHIFT)	\
+   | ((OP) << GOMP_LAUNCH_OP_SHIFT))
+#define GOMP_LAUNCH_CODE(X) (((X) >> GOMP_LAUNCH_CODE_SHIFT) & 0xf)
+#define GOMP_LAUNCH_DEVICE(X) (((X) >> GOMP_LAUNCH_DEVICE_SHIFT) & 0xfff)
+#define GOMP_LAUNCH_OP(X) (((X) >> GOMP_LAUNCH_OP_SHIFT) & 0xffff)
+#define GOMP_LAUNCH_OP_MAX 0xffff
+
+/* Bitmask to apply in order to find out the intended device of a target
+   argument.  */
+#define GOMP_TARGET_ARG_DEVICE_MASK		((1 << 7) - 1)
+/* The target argument is significant for all devices.  */
+#define GOMP_TARGET_ARG_DEVICE_ALL		0
+
+/* Flag set when the subsequent element in the device-specific argument
+   values.  */
+#define GOMP_TARGET_ARG_SUBSEQUENT_PARAM	(1 << 7)
+
+/* Bitmask to apply to a target argument to find out the value identifier.  */
+#define GOMP_TARGET_ARG_ID_MASK			(((1 << 8) - 1) << 8)
+/* Target argument index of NUM_TEAMS.  */
+#define GOMP_TARGET_ARG_NUM_TEAMS		(1 << 8)
+/* Target argument index of THREAD_LIMIT.  */
+#define GOMP_TARGET_ARG_THREAD_LIMIT		(2 << 8)
+
+/* If the value is directly embeded in target argument, it should be a 16-bit
+   at most and shifted by this many bits.  */
+#define GOMP_TARGET_ARG_VALUE_SHIFT		16
+
+/* HSA specific data structures.  */
+
+/* Identifiers of device-specific target arguments.  */
+#define GOMP_TARGET_ARG_HSA_KERNEL_ATTRIBUTES	(1 << 8)
+
 #endif

include/hashtab.h

@@ -1,6 +1,5 @@
 /* An expandable hash tables datatype.  
-   Copyright (C) 1999, 2000, 2002, 2003, 2004, 2005, 2009, 2010
+   Copyright (C) 1999-2015 Free Software Foundation, Inc.
-   Free Software Foundation, Inc.
    Contributed by Vladimir Makarov (vmakarov@cygnus.com).
 
 This program is free software; you can redistribute it and/or modify

include/leb128.h

@@ -1,5 +1,5 @@
 /* Utilities for reading leb128 values.
-   Copyright (C) 2012 Free Software Foundation, Inc.
+   Copyright (C) 2012-2015 Free Software Foundation, Inc.
 
 This file is part of the libiberty library.
 Libiberty is free software; you can redistribute it and/or

include/libiberty.h

@@ -80,7 +80,7 @@ extern void freeargv (char **);
 /* Duplicate an argument vector. Allocates memory using malloc.  Use
    freeargv to free the vector.  */
 
-extern char **dupargv (char **) ATTRIBUTE_MALLOC;
+extern char **dupargv (char * const *) ATTRIBUTE_MALLOC;
 
 /* Expand "@file" arguments in argv.  */
 
@@ -88,11 +88,11 @@ extern void expandargv (int *, char ***);
 
 /* Write argv to an @-file, inserting necessary quoting.  */
 
-extern int writeargv (char **, FILE *);
+extern int writeargv (char * const *, FILE *);
 
 /* Return the number of elements in argv.  */
 
-extern int countargv (char**);
+extern int countargv (char * const *);
 
 /* Return the last component of a path name.  Note that we can't use a
    prototype here because the parameter is declared inconsistently
@@ -621,7 +621,7 @@ extern int pexecute (const char *, char * const *, const char *,
 
 extern int pwait (int, int *, int);
 
-#if !HAVE_DECL_ASPRINTF
+#if defined(HAVE_DECL_ASPRINTF) && !HAVE_DECL_ASPRINTF
 /* Like sprintf but provides a pointer to malloc'd storage, which must
    be freed by the caller.  */
 

include/longlong.h

@@ -1,5 +1,5 @@
 /* longlong.h -- definitions for mixed size 32/64 bit arithmetic.
-   Copyright (C) 1991-2014 Free Software Foundation, Inc.
+   Copyright (C) 1991-2015 Free Software Foundation, Inc.
 
    This file is part of the GNU C Library.
 
@@ -1086,7 +1086,7 @@ extern UDItype __umulsidi3 (USItype, USItype);
   } while (0)
 #endif
 
-#if defined(__sh__) && !__SHMEDIA__ && W_TYPE_SIZE == 32
+#if defined(__sh__) && (!defined (__SHMEDIA__) || !__SHMEDIA__) && W_TYPE_SIZE == 32
 #ifndef __sh1__
 #define umul_ppmm(w1, w0, u, v) \
   __asm__ (								\
@@ -1102,6 +1102,33 @@ extern UDItype __umulsidi3 (USItype, USItype);
 /* This is the same algorithm as __udiv_qrnnd_c.  */
 #define UDIV_NEEDS_NORMALIZATION 1
 
+#ifdef __FDPIC__
+/* FDPIC needs a special version of the asm fragment to extract the
+   code address from the function descriptor. __udiv_qrnnd_16 is
+   assumed to be local and not to use the GOT, so loading r12 is
+   not needed. */
+#define udiv_qrnnd(q, r, n1, n0, d) \
+  do {									\
+    extern UWtype __udiv_qrnnd_16 (UWtype, UWtype)			\
+			__attribute__ ((visibility ("hidden")));	\
+    /* r0: rn r1: qn */ /* r0: n1 r4: n0 r5: d r6: d1 */ /* r2: __m */	\
+    __asm__ (								\
+	"mov%M4	%4,r5\n"						\
+"	swap.w	%3,r4\n"						\
+"	swap.w	r5,r6\n"						\
+"	mov.l	@%5,r2\n"						\
+"	jsr	@r2\n"							\
+"	shll16	r6\n"							\
+"	swap.w	r4,r4\n"						\
+"	mov.l	@%5,r2\n"						\
+"	jsr	@r2\n"							\
+"	swap.w	r1,%0\n"						\
+"	or	r1,%0"							\
+	: "=r" (q), "=&z" (r)						\
+	: "1" (n1), "r" (n0), "rm" (d), "r" (&__udiv_qrnnd_16)		\
+	: "r1", "r2", "r4", "r5", "r6", "pr", "t");			\
+  } while (0)
+#else
 #define udiv_qrnnd(q, r, n1, n0, d) \
   do {									\
     extern UWtype __udiv_qrnnd_16 (UWtype, UWtype)			\
@@ -1121,6 +1148,7 @@ extern UDItype __umulsidi3 (USItype, USItype);
 	: "1" (n1), "r" (n0), "rm" (d), "r" (&__udiv_qrnnd_16)		\
 	: "r1", "r2", "r4", "r5", "r6", "pr", "t");			\
   } while (0)
+#endif /* __FDPIC__  */
 
 #define UDIV_TIME 80
 
@@ -1131,7 +1159,7 @@ extern UDItype __umulsidi3 (USItype, USItype);
 
 #endif /* __sh__ */
 
-#if defined (__SH5__) && __SHMEDIA__ && W_TYPE_SIZE == 32
+#if defined (__SH5__) && defined (__SHMEDIA__) && __SHMEDIA__ && W_TYPE_SIZE == 32
 #define __umulsidi3(u,v) ((UDItype)(USItype)u*(USItype)v)
 #define count_leading_zeros(count, x) \
   do									\

include/lto-symtab.h

@@ -1,5 +1,5 @@
 /* Data types used in the IL symbol table.
-   Copyright (C) 2009 Free Software Foundation, Inc.
+   Copyright (C) 2009-2015 Free Software Foundation, Inc.
    Contributed by Rafael Espindola <espindola@google.com>
 
 This file is part of GCC.

include/md5.h

@@ -1,6 +1,6 @@
 /* md5.h - Declaration of functions and data types used for MD5 sum
    computing library functions.
-   Copyright 1995, 1996, 2000 Free Software Foundation, Inc.
+   Copyright (C) 1995-2015 Free Software Foundation, Inc.
    NOTE: The canonical source of this file is maintained with the GNU C
    Library.  Bugs can be reported to bug-glibc@prep.ai.mit.edu.
 

include/objalloc.h

@@ -1,5 +1,5 @@
 /* objalloc.h -- routines to allocate memory for objects
-   Copyright 1997-2012 Free Software Foundation, Inc.
+   Copyright (C) 1997-2015 Free Software Foundation, Inc.
    Written by Ian Lance Taylor, Cygnus Solutions.
 
 This program is free software; you can redistribute it and/or modify it

include/obstack.h

@@ -1,26 +1,20 @@
 /* obstack.h - object stack macros
-   Copyright 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1996, 1997, 1998,
+   Copyright (C) 1988-2015 Free Software Foundation, Inc.
-   1999, 2000, 2001, 2002, 2003, 2004, 2005, 2008
+   This file is part of the GNU C Library.
-   Free Software Foundation, Inc.
 
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
 
-   NOTE: The canonical source of this file is maintained with the GNU C Library.
+   The GNU C Library is distributed in the hope that it will be useful,
-   Bugs can be reported to bug-glibc@gnu.org.
-
-   This program is free software; you can redistribute it and/or modify it
-   under the terms of the GNU General Public License as published by the
-   Free Software Foundation; either version 2, or (at your option) any
-   later version.
-
-   This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   GNU General Public License for more details.
+   Lesser General Public License for more details.
 
-   You should have received a copy of the GNU General Public License
+   You should have received a copy of the GNU Lesser General Public
-   along with this program; if not, write to the Free Software
+   License along with the GNU C Library; if not, see
-   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301,
+   <http://www.gnu.org/licenses/>.  */
-   USA.  */
 
 /* Summary:
 
@@ -38,11 +32,11 @@ stack" is typically an immature growing object, while the rest of the
    stack is of mature, fixed size and fixed address objects.
 
    These routines grab large chunks of memory, using a function you
-supply, called `obstack_chunk_alloc'.  On occasion, they free chunks,
+   supply, called 'obstack_chunk_alloc'.  On occasion, they free chunks,
-by calling `obstack_chunk_free'.  You must define them and declare
+   by calling 'obstack_chunk_free'.  You must define them and declare
    them before using any obstack macros.
 
-Each independent stack is represented by a `struct obstack'.
+   Each independent stack is represented by a 'struct obstack'.
    Each of the obstack macros expects a pointer to such a structure
    as the first argument.
 
@@ -99,7 +93,7 @@ Summary:
         Exactly one object is growing in an obstack at any one time.
         You can run one obstack per control block.
         You may have as many control blocks as you dare.
-	Because of the way we do it, you can `unwind' an obstack
+        Because of the way we do it, you can "unwind" an obstack
           back to a previous state. (You may remove objects much
           as you would with a stack.)
  */
@@ -110,49 +104,54 @@ Summary:
 #ifndef _OBSTACK_H
 #define _OBSTACK_H 1
 
+#ifndef _OBSTACK_INTERFACE_VERSION
+# define _OBSTACK_INTERFACE_VERSION 2
+#endif
+
+#include <stddef.h>             /* For size_t and ptrdiff_t.  */
+#include <string.h>             /* For __GNU_LIBRARY__, and memcpy.  */
+
+#if _OBSTACK_INTERFACE_VERSION == 1
+/* For binary compatibility with obstack version 1, which used "int"
+   and "long" for these two types.  */
+# define _OBSTACK_SIZE_T unsigned int
+# define _CHUNK_SIZE_T unsigned long
+# define _OBSTACK_CAST(type, expr) ((type) (expr))
+#else
+/* Version 2 with sane types, especially for 64-bit hosts.  */
+# define _OBSTACK_SIZE_T size_t
+# define _CHUNK_SIZE_T size_t
+# define _OBSTACK_CAST(type, expr) (expr)
+#endif
+
+/* If B is the base of an object addressed by P, return the result of
+   aligning P to the next multiple of A + 1.  B and P must be of type
+   char *.  A + 1 must be a power of 2.  */
+
+#define __BPTR_ALIGN(B, P, A) ((B) + (((P) - (B) + (A)) & ~(A)))
+
+/* Similar to __BPTR_ALIGN (B, P, A), except optimize the common case
+   where pointers can be converted to integers, aligned as integers,
+   and converted back again.  If ptrdiff_t is narrower than a
+   pointer (e.g., the AS/400), play it safe and compute the alignment
+   relative to B.  Otherwise, use the faster strategy of computing the
+   alignment relative to 0.  */
+
+#define __PTR_ALIGN(B, P, A)						      \
+  __BPTR_ALIGN (sizeof (ptrdiff_t) < sizeof (void *) ? (B) : (char *) 0,      \
+                P, A)
+
+#ifndef __attribute_pure__
+# if defined __GNUC_MINOR__ && __GNUC__ * 1000 + __GNUC_MINOR__ >= 2096
+#  define __attribute_pure__ __attribute__ ((__pure__))
+# else
+#  define __attribute_pure__
+# endif
+#endif
+
 #ifdef __cplusplus
 extern "C" {
 #endif
-
-/* We use subtraction of (char *) 0 instead of casting to int
-   because on word-addressable machines a simple cast to int
-   may ignore the byte-within-word field of the pointer.  */
-
-#ifndef __PTR_TO_INT
-# define __PTR_TO_INT(P) ((P) - (char *) 0)
-#endif
-
-#ifndef __INT_TO_PTR
-# define __INT_TO_PTR(P) ((P) + (char *) 0)
-#endif
-
-/* We need the type of the resulting object.  If __PTRDIFF_TYPE__ is
-   defined, as with GNU C, use that; that way we don't pollute the
-   namespace with <stddef.h>'s symbols.  Otherwise, if <stddef.h> is
-   available, include it and use ptrdiff_t.  In traditional C, long is
-   the best that we can do.  */
-
-#ifdef __PTRDIFF_TYPE__
-# define PTR_INT_TYPE __PTRDIFF_TYPE__
-#else
-# ifdef HAVE_STDDEF_H
-#  include <stddef.h>
-#  define PTR_INT_TYPE ptrdiff_t
-# else
-#  define PTR_INT_TYPE long
-# endif
-#endif
-
-#if defined _LIBC || defined HAVE_STRING_H
-# include <string.h>
-# define _obstack_memcpy(To, From, N) memcpy ((To), (From), (N))
-#else
-# ifdef memcpy
-#  define _obstack_memcpy(To, From, N) memcpy ((To), (char *)(From), (N))
-# else
-#  define _obstack_memcpy(To, From, N) bcopy ((char *)(From), (To), (N))
-# endif
-#endif
 
 struct _obstack_chunk           /* Lives at front of each chunk. */
 {
@@ -163,18 +162,30 @@ struct _obstack_chunk		/* Lives at front of each chunk. */
 
 struct obstack          /* control current object in current chunk */
 {
-  long	chunk_size;		/* preferred size to allocate chunks in */
+  _CHUNK_SIZE_T chunk_size;     /* preferred size to allocate chunks in */
   struct _obstack_chunk *chunk; /* address of current struct obstack_chunk */
   char *object_base;            /* address of object we are building */
   char *next_free;              /* where to add next char to current object */
   char *chunk_limit;            /* address of char after current chunk */
-  PTR_INT_TYPE temp;		/* Temporary for some macros.  */
+  union
-  int   alignment_mask;		/* Mask of alignment for each object. */
+  {
-  /* These prototypes vary based on `use_extra_arg', and we use
+    _OBSTACK_SIZE_T i;
-     casts to the prototypeless function type in all assignments,
+    void *p;
-     but having prototypes here quiets -Wstrict-prototypes.  */
+  } temp;                       /* Temporary for some macros.  */
-  struct _obstack_chunk *(*chunkfun) (void *, long);
+  _OBSTACK_SIZE_T alignment_mask;  /* Mask of alignment for each object. */
-  void (*freefun) (void *, struct _obstack_chunk *);
+
+  /* These prototypes vary based on 'use_extra_arg'.  */
+  union
+  {
+    void *(*plain) (size_t);
+    void *(*extra) (void *, size_t);
+  } chunkfun;
+  union
+  {
+    void (*plain) (void *);
+    void (*extra) (void *, void *);
+  } freefun;
+
   void *extra_arg;              /* first arg for chunk alloc/dealloc funcs */
   unsigned use_extra_arg : 1;     /* chunk alloc/dealloc funcs take extra arg */
   unsigned maybe_empty_object : 1; /* There is a possibility that the current
@@ -188,66 +199,33 @@ struct obstack		/* control current object in current chunk */
 
 /* Declare the external functions we use; they are in obstack.c.  */
 
-extern void _obstack_newchunk (struct obstack *, int);
+extern void _obstack_newchunk (struct obstack *, _OBSTACK_SIZE_T);
 extern void _obstack_free (struct obstack *, void *);
-extern int _obstack_begin (struct obstack *, int, int,
+extern int _obstack_begin (struct obstack *,
-			    void *(*) (long), void (*) (void *));
+                           _OBSTACK_SIZE_T, _OBSTACK_SIZE_T,
-extern int _obstack_begin_1 (struct obstack *, int, int,
+                           void *(*) (size_t), void (*) (void *));
-			     void *(*) (void *, long),
+extern int _obstack_begin_1 (struct obstack *,
+                             _OBSTACK_SIZE_T, _OBSTACK_SIZE_T,
+                             void *(*) (void *, size_t),
                              void (*) (void *, void *), void *);
-extern int _obstack_memory_used (struct obstack *);
+extern _OBSTACK_SIZE_T _obstack_memory_used (struct obstack *)
-
+  __attribute_pure__;
-/* Do the function-declarations after the structs
-   but before defining the macros.  */
 
-void obstack_init (struct obstack *obstack);
 
-void * obstack_alloc (struct obstack *obstack, int size);
+/* Error handler called when 'obstack_chunk_alloc' failed to allocate
-
+   more memory.  This can be set to a user defined function which
-void * obstack_copy (struct obstack *obstack, void *address, int size);
+   should either abort gracefully or use longjump - but shouldn't
-void * obstack_copy0 (struct obstack *obstack, void *address, int size);
+   return.  The default action is to print a message and abort.  */
-
-void obstack_free (struct obstack *obstack, void *block);
-
-void obstack_blank (struct obstack *obstack, int size);
-
-void obstack_grow (struct obstack *obstack, void *data, int size);
-void obstack_grow0 (struct obstack *obstack, void *data, int size);
-
-void obstack_1grow (struct obstack *obstack, int data_char);
-void obstack_ptr_grow (struct obstack *obstack, void *data);
-void obstack_int_grow (struct obstack *obstack, int data);
-
-void * obstack_finish (struct obstack *obstack);
-
-int obstack_object_size (struct obstack *obstack);
-
-int obstack_room (struct obstack *obstack);
-void obstack_make_room (struct obstack *obstack, int size);
-void obstack_1grow_fast (struct obstack *obstack, int data_char);
-void obstack_ptr_grow_fast (struct obstack *obstack, void *data);
-void obstack_int_grow_fast (struct obstack *obstack, int data);
-void obstack_blank_fast (struct obstack *obstack, int size);
-
-void * obstack_base (struct obstack *obstack);
-void * obstack_next_free (struct obstack *obstack);
-int obstack_alignment_mask (struct obstack *obstack);
-int obstack_chunk_size (struct obstack *obstack);
-int obstack_memory_used (struct obstack *obstack);
-
-/* Error handler called when `obstack_chunk_alloc' failed to allocate
-   more memory.  This can be set to a user defined function.  The
-   default action is to print a message and abort.  */
 extern void (*obstack_alloc_failed_handler) (void);
 
-/* Exit value used when `print_and_abort' is used.  */
+/* Exit value used when 'print_and_abort' is used.  */
 extern int obstack_exit_failure;
-
+
 /* Pointer to beginning of object being allocated or to be allocated next.
    Note that this might not be the final address of the object
    because a new chunk might be needed to hold the final size.  */
 
-#define obstack_base(h) ((h)->object_base)
+#define obstack_base(h) ((void *) (h)->object_base)
 
 /* Size for allocating ordinary chunks.  */
 
@@ -255,96 +233,100 @@ extern int obstack_exit_failure;
 
 /* Pointer to next byte not yet allocated in current chunk.  */
 
-#define obstack_next_free(h)	((h)->next_free)
+#define obstack_next_free(h) ((void *) (h)->next_free)
 
 /* Mask specifying low bits that should be clear in address of an object.  */
 
 #define obstack_alignment_mask(h) ((h)->alignment_mask)
 
-/* To prevent prototype warnings provide complete argument list in
+/* To prevent prototype warnings provide complete argument list.  */
-   standard C version.  */
 #define obstack_init(h)							      \
   _obstack_begin ((h), 0, 0,						      \
-		  (void *(*) (long)) obstack_chunk_alloc, (void (*) (void *)) obstack_chunk_free)
+                  _OBSTACK_CAST (void *(*) (size_t), obstack_chunk_alloc),    \
+                  _OBSTACK_CAST (void (*) (void *), obstack_chunk_free))
 
 #define obstack_begin(h, size)						      \
   _obstack_begin ((h), (size), 0,					      \
-		  (void *(*) (long)) obstack_chunk_alloc, (void (*) (void *)) obstack_chunk_free)
+                  _OBSTACK_CAST (void *(*) (size_t), obstack_chunk_alloc), \
+                  _OBSTACK_CAST (void (*) (void *), obstack_chunk_free))
 
 #define obstack_specify_allocation(h, size, alignment, chunkfun, freefun)     \
   _obstack_begin ((h), (size), (alignment),				      \
-		    (void *(*) (long)) (chunkfun), (void (*) (void *)) (freefun))
+                  _OBSTACK_CAST (void *(*) (size_t), chunkfun),		      \
+                  _OBSTACK_CAST (void (*) (void *), freefun))
 
 #define obstack_specify_allocation_with_arg(h, size, alignment, chunkfun, freefun, arg) \
   _obstack_begin_1 ((h), (size), (alignment),				      \
-		    (void *(*) (void *, long)) (chunkfun), \
+                    _OBSTACK_CAST (void *(*) (void *, size_t), chunkfun),     \
-		    (void (*) (void *, void *)) (freefun), (arg))
+                    _OBSTACK_CAST (void (*) (void *, void *), freefun), arg)
 
 #define obstack_chunkfun(h, newchunkfun)				      \
-  ((h) -> chunkfun = (struct _obstack_chunk *(*)(void *, long)) (newchunkfun))
+  ((void) ((h)->chunkfun.extra = (void *(*) (void *, size_t)) (newchunkfun)))
 
 #define obstack_freefun(h, newfreefun)					      \
-  ((h) -> freefun = (void (*)(void *, struct _obstack_chunk *)) (newfreefun))
+  ((void) ((h)->freefun.extra = (void *(*) (void *, void *)) (newfreefun)))
 
-#define obstack_1grow_fast(h,achar) (*((h)->next_free)++ = (achar))
+#define obstack_1grow_fast(h, achar) ((void) (*((h)->next_free)++ = (achar)))
 
-#define obstack_blank_fast(h,n) ((h)->next_free += (n))
+#define obstack_blank_fast(h, n) ((void) ((h)->next_free += (n)))
 
 #define obstack_memory_used(h) _obstack_memory_used (h)
-
+
-#if defined __GNUC__ && defined __STDC__ && __STDC__
+#if defined __GNUC__
-/* NextStep 2.0 cc is really gcc 1.93 but it defines __GNUC__ = 2 and
+# if !defined __GNUC_MINOR__ || __GNUC__ * 1000 + __GNUC_MINOR__ < 2008
-   does not implement __extension__.  But that compiler doesn't define
-   __GNUC_MINOR__.  */
-# if __GNUC__ < 2 || (__NeXT__ && !__GNUC_MINOR__)
 #  define __extension__
 # endif
 
 /* For GNU C, if not -traditional,
    we can define these macros to compute all args only once
    without using a global variable.
-   Also, we can avoid using the `temp' slot, to make faster code.  */
+   Also, we can avoid using the 'temp' slot, to make faster code.  */
 
 # define obstack_object_size(OBSTACK)					      \
   __extension__								      \
-  ({ struct obstack *__o = (OBSTACK);					\
+    ({ struct obstack const *__o = (OBSTACK);				      \
-     (unsigned) (__o->next_free - __o->object_base); })
+       (_OBSTACK_SIZE_T) (__o->next_free - __o->object_base); })
 
+/* The local variable is named __o1 to avoid a shadowed variable
+   warning when invoked from other obstack macros.  */
 # define obstack_room(OBSTACK)						      \
   __extension__								      \
-  ({ struct obstack *__o = (OBSTACK);					\
+    ({ struct obstack const *__o1 = (OBSTACK);				      \
-     (unsigned) (__o->chunk_limit - __o->next_free); })
+       (_OBSTACK_SIZE_T) (__o1->chunk_limit - __o1->next_free); })
 
 # define obstack_make_room(OBSTACK, length)				      \
   __extension__								      \
     ({ struct obstack *__o = (OBSTACK);					      \
-   int __len = (length);						\
+       _OBSTACK_SIZE_T __len = (length);				      \
-   if (__o->chunk_limit - __o->next_free < __len)			\
+       if (obstack_room (__o) < __len)					      \
          _obstack_newchunk (__o, __len);				      \
        (void) 0; })
 
 # define obstack_empty_p(OBSTACK)					      \
   __extension__								      \
-  ({ struct obstack *__o = (OBSTACK);					\
+    ({ struct obstack const *__o = (OBSTACK);				      \
-     (__o->chunk->prev == 0 && __o->next_free - __o->chunk->contents == 0); })
+       (__o->chunk->prev == 0						      \
+        && __o->next_free == __PTR_ALIGN ((char *) __o->chunk,		      \
+                                          __o->chunk->contents,		      \
+                                          __o->alignment_mask)); })
 
 # define obstack_grow(OBSTACK, where, length)				      \
   __extension__								      \
     ({ struct obstack *__o = (OBSTACK);					      \
-   int __len = (length);						\
+       _OBSTACK_SIZE_T __len = (length);				      \
-   if (__o->next_free + __len > __o->chunk_limit)			\
+       if (obstack_room (__o) < __len)					      \
          _obstack_newchunk (__o, __len);				      \
-   _obstack_memcpy (__o->next_free, (where), __len);			\
+       memcpy (__o->next_free, where, __len);				      \
        __o->next_free += __len;						      \
        (void) 0; })
 
 # define obstack_grow0(OBSTACK, where, length)				      \
   __extension__								      \
     ({ struct obstack *__o = (OBSTACK);					      \
-   int __len = (length);						\
+       _OBSTACK_SIZE_T __len = (length);				      \
-   if (__o->next_free + __len + 1 > __o->chunk_limit)			\
+       if (obstack_room (__o) < __len + 1)				      \
          _obstack_newchunk (__o, __len + 1);				      \
-   _obstack_memcpy (__o->next_free, (where), __len);			\
+       memcpy (__o->next_free, where, __len);				      \
        __o->next_free += __len;						      \
        *(__o->next_free)++ = 0;						      \
        (void) 0; })
@@ -352,51 +334,51 @@ __extension__								\
 # define obstack_1grow(OBSTACK, datum)					      \
   __extension__								      \
     ({ struct obstack *__o = (OBSTACK);					      \
-   if (__o->next_free + 1 > __o->chunk_limit)				\
+       if (obstack_room (__o) < 1)					      \
          _obstack_newchunk (__o, 1);					      \
-   obstack_1grow_fast (__o, datum);					\
+       obstack_1grow_fast (__o, datum); })
-   (void) 0; })
 
-/* These assume that the obstack alignment is good enough for pointers or ints,
+/* These assume that the obstack alignment is good enough for pointers
-   and that the data added so far to the current object
+   or ints, and that the data added so far to the current object
    shares that much alignment.  */
 
 # define obstack_ptr_grow(OBSTACK, datum)				      \
   __extension__								      \
     ({ struct obstack *__o = (OBSTACK);					      \
-   if (__o->next_free + sizeof (void *) > __o->chunk_limit)		\
+       if (obstack_room (__o) < sizeof (void *))			      \
          _obstack_newchunk (__o, sizeof (void *));			      \
        obstack_ptr_grow_fast (__o, datum); })
 
 # define obstack_int_grow(OBSTACK, datum)				      \
   __extension__								      \
     ({ struct obstack *__o = (OBSTACK);					      \
-   if (__o->next_free + sizeof (int) > __o->chunk_limit)		\
+       if (obstack_room (__o) < sizeof (int))				      \
          _obstack_newchunk (__o, sizeof (int));				      \
        obstack_int_grow_fast (__o, datum); })
 
 # define obstack_ptr_grow_fast(OBSTACK, aptr)				      \
   __extension__								      \
     ({ struct obstack *__o1 = (OBSTACK);				      \
-   *(const void **) __o1->next_free = (aptr);				\
+       void *__p1 = __o1->next_free;					      \
+       *(const void **) __p1 = (aptr);					      \
        __o1->next_free += sizeof (const void *);			      \
        (void) 0; })
 
 # define obstack_int_grow_fast(OBSTACK, aint)				      \
   __extension__								      \
     ({ struct obstack *__o1 = (OBSTACK);				      \
-   *(int *) __o1->next_free = (aint);					\
+       void *__p1 = __o1->next_free;					      \
+       *(int *) __p1 = (aint);						      \
        __o1->next_free += sizeof (int);					      \
        (void) 0; })
 
 # define obstack_blank(OBSTACK, length)					      \
   __extension__								      \
     ({ struct obstack *__o = (OBSTACK);					      \
-   int __len = (length);						\
+       _OBSTACK_SIZE_T __len = (length);				      \
-   if (__o->chunk_limit - __o->next_free < __len)			\
+       if (obstack_room (__o) < __len)					      \
          _obstack_newchunk (__o, __len);				      \
-   obstack_blank_fast (__o, __len);					\
+       obstack_blank_fast (__o, __len); })
-   (void) 0; })
 
 # define obstack_alloc(OBSTACK, length)					      \
   __extension__								      \
@@ -416,23 +398,22 @@ __extension__								\
        obstack_grow0 (__h, (where), (length));				      \
        obstack_finish (__h); })
 
-/* The local variable is named __o1 to avoid a name conflict
+/* The local variable is named __o1 to avoid a shadowed variable
-   when obstack_blank is called.  */
+   warning when invoked from other obstack macros, typically obstack_free.  */
 # define obstack_finish(OBSTACK)					      \
   __extension__								      \
     ({ struct obstack *__o1 = (OBSTACK);				      \
-   void *value;								\
+       void *__value = (void *) __o1->object_base;			      \
-   value = (void *) __o1->object_base;					\
+       if (__o1->next_free == __value)					      \
-   if (__o1->next_free == value)					\
          __o1->maybe_empty_object = 1;					      \
        __o1->next_free							      \
-     = __INT_TO_PTR ((__PTR_TO_INT (__o1->next_free)+__o1->alignment_mask)\
+         = __PTR_ALIGN (__o1->object_base, __o1->next_free,		      \
-		     & ~ (__o1->alignment_mask));			\
+                        __o1->alignment_mask);				      \
-   if (__o1->next_free - (char *)__o1->chunk				\
+       if ((size_t) (__o1->next_free - (char *) __o1->chunk)		      \
-       > __o1->chunk_limit - (char *)__o1->chunk)			\
+           > (size_t) (__o1->chunk_limit - (char *) __o1->chunk))	      \
          __o1->next_free = __o1->chunk_limit;				      \
        __o1->object_base = __o1->next_free;				      \
-   value; })
+       __value; })
 
 # define obstack_free(OBSTACK, OBJ)					      \
   __extension__								      \
@@ -440,18 +421,22 @@ __extension__								\
        void *__obj = (void *) (OBJ);					      \
        if (__obj > (void *) __o->chunk && __obj < (void *) __o->chunk_limit)  \
          __o->next_free = __o->object_base = (char *) __obj;		      \
-   else (obstack_free) (__o, __obj); })
+       else								      \
-
+         _obstack_free (__o, __obj); })
-#else /* not __GNUC__ or not __STDC__ */
+
+#else /* not __GNUC__ */
 
 # define obstack_object_size(h)						      \
- (unsigned) ((h)->next_free - (h)->object_base)
+  ((_OBSTACK_SIZE_T) ((h)->next_free - (h)->object_base))
 
 # define obstack_room(h)						      \
- (unsigned) ((h)->chunk_limit - (h)->next_free)
+  ((_OBSTACK_SIZE_T) ((h)->chunk_limit - (h)->next_free))
 
 # define obstack_empty_p(h)						      \
- ((h)->chunk->prev == 0 && (h)->next_free - (h)->chunk->contents == 0)
+  ((h)->chunk->prev == 0						      \
+   && (h)->next_free == __PTR_ALIGN ((char *) (h)->chunk,		      \
+                                     (h)->chunk->contents,		      \
+                                     (h)->alignment_mask))
 
 /* Note that the call to _obstack_newchunk is enclosed in (..., 0)
    so that we can avoid having void expressions
@@ -460,51 +445,56 @@ __extension__								\
    but some compilers won't accept it.  */
 
 # define obstack_make_room(h, length)					      \
-( (h)->temp = (length),							\
+  ((h)->temp.i = (length),						      \
-  (((h)->next_free + (h)->temp > (h)->chunk_limit)			\
+   ((obstack_room (h) < (h)->temp.i)					      \
-   ? (_obstack_newchunk ((h), (h)->temp), 0) : 0))
+    ? (_obstack_newchunk (h, (h)->temp.i), 0) : 0),			      \
+   (void) 0)
 
 # define obstack_grow(h, where, length)					      \
-( (h)->temp = (length),							\
+  ((h)->temp.i = (length),						      \
-  (((h)->next_free + (h)->temp > (h)->chunk_limit)			\
+   ((obstack_room (h) < (h)->temp.i)					      \
-   ? (_obstack_newchunk ((h), (h)->temp), 0) : 0),			\
+   ? (_obstack_newchunk ((h), (h)->temp.i), 0) : 0),			      \
-  _obstack_memcpy ((h)->next_free, (where), (h)->temp),			\
+   memcpy ((h)->next_free, where, (h)->temp.i),				      \
-  (h)->next_free += (h)->temp)
+   (h)->next_free += (h)->temp.i,					      \
+   (void) 0)
 
 # define obstack_grow0(h, where, length)				      \
-( (h)->temp = (length),							\
+  ((h)->temp.i = (length),						      \
-  (((h)->next_free + (h)->temp + 1 > (h)->chunk_limit)			\
+   ((obstack_room (h) < (h)->temp.i + 1)				      \
-   ? (_obstack_newchunk ((h), (h)->temp + 1), 0) : 0),			\
+   ? (_obstack_newchunk ((h), (h)->temp.i + 1), 0) : 0),		      \
-  _obstack_memcpy ((h)->next_free, (where), (h)->temp),			\
+   memcpy ((h)->next_free, where, (h)->temp.i),				      \
-  (h)->next_free += (h)->temp,						\
+   (h)->next_free += (h)->temp.i,					      \
-  *((h)->next_free)++ = 0)
+   *((h)->next_free)++ = 0,						      \
+   (void) 0)
 
 # define obstack_1grow(h, datum)					      \
-( (((h)->next_free + 1 > (h)->chunk_limit)				\
+  (((obstack_room (h) < 1)						      \
     ? (_obstack_newchunk ((h), 1), 0) : 0),				      \
    obstack_1grow_fast (h, datum))
 
 # define obstack_ptr_grow(h, datum)					      \
-( (((h)->next_free + sizeof (char *) > (h)->chunk_limit)		\
+  (((obstack_room (h) < sizeof (char *))				      \
     ? (_obstack_newchunk ((h), sizeof (char *)), 0) : 0),		      \
    obstack_ptr_grow_fast (h, datum))
 
 # define obstack_int_grow(h, datum)					      \
-( (((h)->next_free + sizeof (int) > (h)->chunk_limit)			\
+  (((obstack_room (h) < sizeof (int))					      \
     ? (_obstack_newchunk ((h), sizeof (int)), 0) : 0),			      \
    obstack_int_grow_fast (h, datum))
 
 # define obstack_ptr_grow_fast(h, aptr)					      \
-  (((const void **) ((h)->next_free += sizeof (void *)))[-1] = (aptr))
+  (((const void **) ((h)->next_free += sizeof (void *)))[-1] = (aptr),	      \
+   (void) 0)
 
 # define obstack_int_grow_fast(h, aint)					      \
-  (((int *) ((h)->next_free += sizeof (int)))[-1] = (aptr))
+  (((int *) ((h)->next_free += sizeof (int)))[-1] = (aint),		      \
+   (void) 0)
 
 # define obstack_blank(h, length)					      \
-( (h)->temp = (length),							\
+  ((h)->temp.i = (length),						      \
-  (((h)->chunk_limit - (h)->next_free < (h)->temp)			\
+   ((obstack_room (h) < (h)->temp.i)					      \
-   ? (_obstack_newchunk ((h), (h)->temp), 0) : 0),			\
+   ? (_obstack_newchunk ((h), (h)->temp.i), 0) : 0),			      \
-  obstack_blank_fast (h, (h)->temp))
+   obstack_blank_fast (h, (h)->temp.i))
 
 # define obstack_alloc(h, length)					      \
   (obstack_blank ((h), (length)), obstack_finish ((h)))
@@ -519,27 +509,27 @@ __extension__								\
   (((h)->next_free == (h)->object_base					      \
     ? (((h)->maybe_empty_object = 1), 0)				      \
     : 0),								      \
-  (h)->temp = __PTR_TO_INT ((h)->object_base),				\
+   (h)->temp.p = (h)->object_base,					      \
    (h)->next_free							      \
-    = __INT_TO_PTR ((__PTR_TO_INT ((h)->next_free)+(h)->alignment_mask)	\
+     = __PTR_ALIGN ((h)->object_base, (h)->next_free,			      \
-		    & ~ ((h)->alignment_mask)),				\
+                    (h)->alignment_mask),				      \
-  (((h)->next_free - (char *) (h)->chunk				\
+   (((size_t) ((h)->next_free - (char *) (h)->chunk)			      \
-    > (h)->chunk_limit - (char *) (h)->chunk)				\
+     > (size_t) ((h)->chunk_limit - (char *) (h)->chunk))		      \
    ? ((h)->next_free = (h)->chunk_limit) : 0),				      \
    (h)->object_base = (h)->next_free,					      \
-  (void *) __INT_TO_PTR ((h)->temp))
+   (h)->temp.p)
 
 # define obstack_free(h, obj)						      \
-( (h)->temp = (char *) (obj) - (char *) (h)->chunk,			\
+  ((h)->temp.p = (void *) (obj),					      \
-  (((h)->temp > 0 && (h)->temp < (h)->chunk_limit - (char *) (h)->chunk)\
+   (((h)->temp.p > (void *) (h)->chunk					      \
-   ? (((h)->next_free = (h)->object_base				\
+     && (h)->temp.p < (void *) (h)->chunk_limit)			      \
-	    = (h)->temp + (char *) (h)->chunk), 0)			\
+    ? (void) ((h)->next_free = (h)->object_base = (char *) (h)->temp.p)       \
-   : ((obstack_free) ((h), (h)->temp + (char *) (h)->chunk), 0)))
+    : _obstack_free ((h), (h)->temp.p)))
 
-#endif /* not __GNUC__ or not __STDC__ */
+#endif /* not __GNUC__ */
 
 #ifdef __cplusplus
 }       /* C++ */
 #endif
 
-#endif /* obstack.h */
+#endif /* _OBSTACK_H */

include/partition.h

@@ -45,12 +45,12 @@ extern "C" {
 
 struct partition_elem
 {
-  /* The canonical element that represents the class containing this
-     element.  */
-  int class_element;
   /* The next element in this class.  Elements in each class form a
      circular list.  */
   struct partition_elem* next;
+  /* The canonical element that represents the class containing this
+     element.  */
+  int class_element;
   /* The number of elements in this class.  Valid only if this is the
      canonical element for its class.  */
   unsigned class_count;

include/plugin-api.h

@@ -1,6 +1,6 @@
 /* plugin-api.h -- External linker plugin API.  */
 
-/* Copyright 2009, 2010 Free Software Foundation, Inc.
+/* Copyright (C) 2009-2016 Free Software Foundation, Inc.
    Written by Cary Coutant <ccoutant@google.com>.
 
    This file is part of binutils.
@@ -345,6 +345,26 @@ enum ld_plugin_status
     const struct ld_plugin_section * section_list,
     unsigned int num_sections);
 
+/* The linker's interface for retrieving the section alignment requirement
+   of a specific section in an object.  This interface should only be invoked in the
+   claim_file handler.  This function sets *ADDRALIGN to the ELF sh_addralign
+   value of the input section.  */
+
+typedef
+enum ld_plugin_status
+(*ld_plugin_get_input_section_alignment) (const struct ld_plugin_section section,
+                                          unsigned int *addralign);
+
+/* The linker's interface for retrieving the section size of a specific section
+   in an object.  This interface should only be invoked in the claim_file handler.
+   This function sets *SECSIZE to the ELF sh_size
+   value of the input section.  */
+
+typedef
+enum ld_plugin_status
+(*ld_plugin_get_input_section_size) (const struct ld_plugin_section section,
+                                     uint64_t *secsize);
+
 enum ld_plugin_level
 {
   LDPL_INFO,
@@ -384,7 +404,10 @@ enum ld_plugin_tag
   LDPT_ALLOW_SECTION_ORDERING = 24,
   LDPT_GET_SYMBOLS_V2 = 25,
   LDPT_ALLOW_UNIQUE_SEGMENT_FOR_SECTIONS = 26,
-  LDPT_UNIQUE_SEGMENT_FOR_SECTIONS = 27
+  LDPT_UNIQUE_SEGMENT_FOR_SECTIONS = 27,
+  LDPT_GET_SYMBOLS_V3 = 28,
+  LDPT_GET_INPUT_SECTION_ALIGNMENT = 29,
+  LDPT_GET_INPUT_SECTION_SIZE = 30
 };
 
 /* The plugin transfer vector.  */
@@ -416,6 +439,8 @@ struct ld_plugin_tv
     ld_plugin_allow_section_ordering tv_allow_section_ordering;
     ld_plugin_allow_unique_segment_for_sections tv_allow_unique_segment_for_sections; 
     ld_plugin_unique_segment_for_sections tv_unique_segment_for_sections;
+    ld_plugin_get_input_section_alignment tv_get_input_section_alignment;
+    ld_plugin_get_input_section_size tv_get_input_section_size;
   } tv_u;
 };
 

include/safe-ctype.h

@@ -1,6 +1,6 @@
 /* <ctype.h> replacement macros.
 
-   Copyright (C) 2000, 2001 Free Software Foundation, Inc.
+   Copyright (C) 2000-2015 Free Software Foundation, Inc.
    Contributed by Zack Weinberg <zackw@stanford.edu>.
 
 This file is part of the libiberty library.

include/sha1.h

@@ -1,7 +1,6 @@
 /* Declarations of functions and data types used for SHA1 sum
    library functions.
-   Copyright (C) 2000, 2001, 2003, 2005, 2006, 2008, 2010
+   Copyright (C) 2000-2015 Free Software Foundation, Inc.
-   Free Software Foundation, Inc.
 
    This program is free software; you can redistribute it and/or modify it
    under the terms of the GNU General Public License as published by the

include/simple-object.h

@@ -1,5 +1,5 @@
 /* simple-object.h -- simple routines to read and write object files
-   Copyright 2010 Free Software Foundation, Inc.
+   Copyright (C) 2010-2015 Free Software Foundation, Inc.
    Written by Ian Lance Taylor, Google.
 
 This program is free software; you can redistribute it and/or modify it

include/sort.h

@@ -1,5 +1,5 @@
 /* Sorting algorithms.
-   Copyright (C) 2000, 2002 Free Software Foundation, Inc.
+   Copyright (C) 2000-2015 Free Software Foundation, Inc.
    Contributed by Mark Mitchell <mark@codesourcery.com>.
 
 This file is part of GCC.

include/splay-tree.h

@@ -1,6 +1,5 @@
 /* A splay-tree datatype.  
-   Copyright 1998, 1999, 2000, 2002, 2005, 2007, 2009, 2010
+   Copyright (C) 1998-2015 Free Software Foundation, Inc.
-   Free Software Foundation, Inc.
    Contributed by Mark Mitchell (mark@markmitchell.com).
 
    This file is part of GCC.

include/symcat.h

@@ -1,6 +1,6 @@
 /* Symbol concatenation utilities.
 
-   Copyright (C) 1998, 2000, 2010 Free Software Foundation, Inc.
+   Copyright (C) 1998-2015 Free Software Foundation, Inc.
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by

include/timeval-utils.h

@@ -1,5 +1,5 @@
 /* Basic struct timeval utilities.
-   Copyright (C) 2011 Free Software Foundation, Inc.
+   Copyright (C) 2011-2015 Free Software Foundation, Inc.
 
 This file is part of the libiberty library.
 Libiberty is free software; you can redistribute it and/or

include/vtv-change-permission.h

@@ -1,5 +1,4 @@
-/* Copyright (C) 2013
+/* Copyright (C) 2013-2015 Free Software Foundation, Inc.
-   Free Software Foundation
   
    This file is part of GCC.
   
@@ -47,8 +46,12 @@ extern void __VLTChangePermission (int);
 /* TODO - Replace '4096' below with correct big page size.  */
 #define VTV_PAGE_SIZE 4096
 #else 
+#if defined(__sun__) && defined(__svr4__) && defined(__sparc__)
+#define VTV_PAGE_SIZE 8192
+#else
 #define VTV_PAGE_SIZE 4096
 #endif
+#endif
 
 
 

include/xregex2.h

@@ -1,8 +1,7 @@
 /* Definitions for data structures and routines for the regular
    expression library, version 0.12.
 
-   Copyright (C) 1985, 1989, 1990, 1991, 1992, 1993, 1995, 1996, 1997,
+   Copyright (C) 1985-2015 Free Software Foundation, Inc.
-   1998, 2000, 2005 Free Software Foundation, Inc.
 
    This file is part of the GNU C Library.  Its master source is NOT part of
    the C library, however.  The master source lives in /gd/gnu/lib.

include/xtensa-config.h

@@ -1,6 +1,5 @@
 /* Xtensa configuration settings.
-   Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2010
+   Copyright (C) 2001-2015 Free Software Foundation, Inc.
-   Free Software Foundation, Inc.
    Contributed by Bob Wilson (bob.wilson@acm.org) at Tensilica.
 
    This program is free software; you can redistribute it and/or modify

install-sh

@@ -1,7 +1,7 @@
 #!/bin/sh
 # install - install a program, script, or datafile
 
-scriptversion=2009-04-28.21; # UTC
+scriptversion=2013-12-25.23; # UTC
 
 # This originates from X11R5 (mit/util/scripts/install.sh), which was
 # later released in X11R6 (xc/config/util/install.sh) with the
@@ -35,25 +35,21 @@ scriptversion=2009-04-28.21; # UTC
 # FSF changes to this file are in the public domain.
 #
 # Calling this script install-sh is preferred over install.sh, to prevent
-# `make' implicit rules from creating a file called install from it
+# 'make' implicit rules from creating a file called install from it
 # when there is no Makefile.
 #
 # This script is compatible with the BSD install script, but was written
 # from scratch.
 
+tab='	'
 nl='
 '
-IFS=" ""	$nl"
+IFS=" $tab$nl"
 
-# set DOITPROG to echo to test this script
+# Set DOITPROG to "echo" to test this script.
 
-# Don't use :- since 4.3BSD and earlier shells don't like it.
 doit=${DOITPROG-}
-if test -z "$doit"; then
+doit_exec=${doit:-exec}
-  doit_exec=exec
-else
-  doit_exec=$doit
-fi
 
 # Put in absolute file names if you don't have them in your path;
 # or use environment vars.
@@ -68,17 +64,6 @@ mvprog=${MVPROG-mv}
 rmprog=${RMPROG-rm}
 stripprog=${STRIPPROG-strip}
 
-posix_glob='?'
-initialize_posix_glob='
-  test "$posix_glob" != "?" || {
-    if (set -f) 2>/dev/null; then
-      posix_glob=
-    else
-      posix_glob=:
-    fi
-  }
-'
-
 posix_mkdir=
 
 # Desired mode of installed file.
@@ -97,7 +82,7 @@ dir_arg=
 dst_arg=
 
 copy_on_change=false
-no_target_directory=
+is_target_a_directory=possibly
 
 usage="\
 Usage: $0 [OPTION]... [-T] SRCFILE DSTFILE
@@ -143,8 +128,7 @@ while test $# -ne 0; do
 
     -m) mode=$2
         case $mode in
-	  *' '* | *'	'* | *'
+          *' '* | *"$tab"* | *"$nl"* | *'*'* | *'?'* | *'['*)
-'*	  | *'*'* | *'?'* | *'['*)
             echo "$0: invalid mode: $mode" >&2
             exit 1;;
         esac
@@ -155,10 +139,16 @@ while test $# -ne 0; do
 
     -s) stripcmd=$stripprog;;
 
-    -t) dst_arg=$2
+    -t)
+        is_target_a_directory=always
+        dst_arg=$2
+        # Protect names problematic for 'test' and other utilities.
+        case $dst_arg in
+          -* | [=\(\)!]) dst_arg=./$dst_arg;;
+        esac
         shift;;
 
-    -T) no_target_directory=true;;
+    -T) is_target_a_directory=never;;
 
     --version) echo "$0 $scriptversion"; exit $?;;
 
@@ -173,6 +163,16 @@ while test $# -ne 0; do
   shift
 done
 
+# We allow the use of options -d and -T together, by making -d
+# take the precedence; this is for compatibility with GNU install.
+
+if test -n "$dir_arg"; then
+  if test -n "$dst_arg"; then
+    echo "$0: target directory not allowed when installing a directory." >&2
+    exit 1
+  fi
+fi
+
 if test $# -ne 0 && test -z "$dir_arg$dst_arg"; then
   # When -d is used, all remaining arguments are directories to create.
   # When -t is used, the destination is already specified.
@@ -186,6 +186,10 @@ if test $# -ne 0 && test -z "$dir_arg$dst_arg"; then
     fi
     shift # arg
     dst_arg=$arg
+    # Protect names problematic for 'test' and other utilities.
+    case $dst_arg in
+      -* | [=\(\)!]) dst_arg=./$dst_arg;;
+    esac
   done
 fi
 
@@ -194,13 +198,26 @@ if test $# -eq 0; then
     echo "$0: no input file specified." >&2
     exit 1
   fi
-  # It's OK to call `install-sh -d' without argument.
+  # It's OK to call 'install-sh -d' without argument.
   # This can happen when creating conditional directories.
   exit 0
 fi
 
 if test -z "$dir_arg"; then
-  trap '(exit $?); exit' 1 2 13 15
+  if test $# -gt 1 || test "$is_target_a_directory" = always; then
+    if test ! -d "$dst_arg"; then
+      echo "$0: $dst_arg: Is not a directory." >&2
+      exit 1
+    fi
+  fi
+fi
+
+if test -z "$dir_arg"; then
+  do_exit='(exit $ret); exit $ret'
+  trap "ret=129; $do_exit" 1
+  trap "ret=130; $do_exit" 2
+  trap "ret=141; $do_exit" 13
+  trap "ret=143; $do_exit" 15
 
   # Set umask so as not to create temps with too-generous modes.
   # However, 'strip' requires both read and write access to temps.
@@ -228,9 +245,9 @@ fi
 
 for src
 do
-  # Protect names starting with `-'.
+  # Protect names problematic for 'test' and other utilities.
   case $src in
-    -*) src=./$src;;
+    -* | [=\(\)!]) src=./$src;;
   esac
 
   if test -n "$dir_arg"; then
@@ -252,17 +269,12 @@ do
       echo "$0: no destination specified." >&2
       exit 1
     fi
-
     dst=$dst_arg
-    # Protect names starting with `-'.
-    case $dst in
-      -*) dst=./$dst;;
-    esac
 
     # If destination is a directory, append the input filename; won't work
     # if double slashes aren't ignored.
     if test -d "$dst"; then
-      if test -n "$no_target_directory"; then
+      if test "$is_target_a_directory" = never; then
         echo "$0: $dst_arg: Is a directory" >&2
         exit 1
       fi
@@ -270,33 +282,7 @@ do
       dst=$dstdir/`basename "$src"`
       dstdir_status=0
     else
-      # Prefer dirname, but fall back on a substitute if dirname fails.
+      dstdir=`dirname "$dst"`
-      dstdir=`
-	(dirname "$dst") 2>/dev/null ||
-	expr X"$dst" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
-	     X"$dst" : 'X\(//\)[^/]' \| \
-	     X"$dst" : 'X\(//\)$' \| \
-	     X"$dst" : 'X\(/\)' \| . 2>/dev/null ||
-	echo X"$dst" |
-	    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
-		   s//\1/
-		   q
-		 }
-		 /^X\(\/\/\)[^/].*/{
-		   s//\1/
-		   q
-		 }
-		 /^X\(\/\/\)$/{
-		   s//\1/
-		   q
-		 }
-		 /^X\(\/\).*/{
-		   s//\1/
-		   q
-		 }
-		 s/.*/./; q'
-      `
-
       test -d "$dstdir"
       dstdir_status=$?
     fi
@@ -347,7 +333,7 @@ do
               if test -z "$dir_arg" || {
                    # Check for POSIX incompatibilities with -m.
                    # HP-UX 11.23 and IRIX 6.5 mkdir -m -p sets group- or
-		   # other-writeable bit of parent directory when it shouldn't.
+                   # other-writable bit of parent directory when it shouldn't.
                    # FreeBSD 6.1 mkdir -m -p sets mode of existing directory.
                    ls_ld_tmpdir=`ls -ld "$tmpdir"`
                    case $ls_ld_tmpdir in
@@ -385,25 +371,23 @@ do
 
       case $dstdir in
         /*) prefix='/';;
-	-*) prefix='./';;
+        [-=\(\)!]*) prefix='./';;
         *)  prefix='';;
       esac
 
-      eval "$initialize_posix_glob"
-
       oIFS=$IFS
       IFS=/
-      $posix_glob set -f
+      set -f
       set fnord $dstdir
       shift
-      $posix_glob set +f
+      set +f
       IFS=$oIFS
 
       prefixes=
 
       for d
       do
-	test -z "$d" && continue
+        test X"$d" = X && continue
 
         prefix=$prefix$d
         if test -d "$prefix"; then
@@ -467,13 +451,10 @@ do
     if $copy_on_change &&
        old=`LC_ALL=C ls -dlL "$dst"     2>/dev/null` &&
        new=`LC_ALL=C ls -dlL "$dsttmp"  2>/dev/null` &&
-
+       set -f &&
-       eval "$initialize_posix_glob" &&
-       $posix_glob set -f &&
        set X $old && old=:$2:$4:$5:$6 &&
        set X $new && new=:$2:$4:$5:$6 &&
-       $posix_glob set +f &&
+       set +f &&
-
        test "$old" = "$new" &&
        $cmpprog "$dst" "$dsttmp" >/dev/null 2>&1
     then

libtool.m4

@@ -1006,7 +1006,7 @@ _LT_EOF
       case ${MACOSX_DEPLOYMENT_TARGET-10.0},$host in
 	10.0,*86*-darwin8*|10.0,*-darwin[[91]]*)
 	  _lt_dar_allow_undefined='${wl}-undefined ${wl}dynamic_lookup' ;;
-	10.[[012]]*)
+	10.[[012]][[,.]]*)
 	  _lt_dar_allow_undefined='${wl}-flat_namespace ${wl}-undefined ${wl}suppress' ;;
 	10.*)
 	  _lt_dar_allow_undefined='${wl}-undefined ${wl}dynamic_lookup' ;;
@@ -4230,7 +4230,7 @@ m4_if([$1], [CXX], [
     if $NM -V 2>&1 | $GREP 'GNU' > /dev/null; then
       _LT_TAGVAR(export_symbols_cmds, $1)='$NM -Bpg $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B") || (\$ 2 == "W")) && ([substr](\$ 3,1,1) != ".")) { print \$ 3 } }'\'' | sort -u > $export_symbols'
     else
-      _LT_TAGVAR(export_symbols_cmds, $1)='$NM -BCpg $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B")) && ([substr](\$ 3,1,1) != ".")) { print \$ 3 } }'\'' | sort -u > $export_symbols'
+      _LT_TAGVAR(export_symbols_cmds, $1)='$NM -BCpg $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B") || (\$ 2 == "L")) && ([substr](\$ 3,1,1) != ".")) { print \$ 3 } }'\'' | sort -u > $export_symbols'
     fi
     ;;
   pw32*)
@@ -4459,7 +4459,7 @@ _LT_EOF
       if $LD --help 2>&1 | $EGREP ': supported targets:.* elf' > /dev/null \
 	 && test "$tmp_diet" = no
       then
-	tmp_addflag=
+	tmp_addflag=' $pic_flag'
 	tmp_sharedflag='-shared'
 	case $cc_basename,$host_cpu in
         pgcc*)				# Portland Group C compiler
@@ -4641,7 +4641,7 @@ _LT_EOF
 	if $NM -V 2>&1 | $GREP 'GNU' > /dev/null; then
 	  _LT_TAGVAR(export_symbols_cmds, $1)='$NM -Bpg $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B") || (\$ 2 == "W")) && ([substr](\$ 3,1,1) != ".")) { print \$ 3 } }'\'' | sort -u > $export_symbols'
 	else
-	  _LT_TAGVAR(export_symbols_cmds, $1)='$NM -BCpg $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B")) && ([substr](\$ 3,1,1) != ".")) { print \$ 3 } }'\'' | sort -u > $export_symbols'
+	  _LT_TAGVAR(export_symbols_cmds, $1)='$NM -BCpg $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B") || (\$ 2 == "L")) && ([substr](\$ 3,1,1) != ".")) { print \$ 3 } }'\'' | sort -u > $export_symbols'
 	fi
 	aix_use_runtimelinking=no
 
@@ -5525,8 +5525,8 @@ if test "$_lt_caught_CXX_error" != yes; then
       # Check if GNU C++ uses GNU ld as the underlying linker, since the
       # archiving commands below assume that GNU ld is being used.
       if test "$with_gnu_ld" = yes; then
-        _LT_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname -o $lib'
+        _LT_TAGVAR(archive_cmds, $1)='$CC $pic_flag -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname -o $lib'
-        _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
+        _LT_TAGVAR(archive_expsym_cmds, $1)='$CC $pic_flag -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
 
         _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir'
         _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}--export-dynamic'

missing

@@ -1,11 +1,10 @@
 #! /bin/sh
-# Common stub for a few missing GNU programs while installing.
+# Common wrapper for a few potentially missing GNU programs.
 
-scriptversion=2009-04-28.21; # UTC
+scriptversion=2013-10-28.13; # UTC
 
-# Copyright (C) 1996, 1997, 1999, 2000, 2002, 2003, 2004, 2005, 2006,
+# Copyright (C) 1996-2014 Free Software Foundation, Inc.
-# 2008, 2009 Free Software Foundation, Inc.
+# Originally written by Fran,cois Pinard <pinard@iro.umontreal.ca>, 1996.
-# Originally by Fran,cois Pinard <pinard@iro.umontreal.ca>, 1996.
 
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -26,69 +25,40 @@ scriptversion=2009-04-28.21; # UTC
 # the same distribution terms that you use for the rest of that program.
 
 if test $# -eq 0; then
-  echo 1>&2 "Try \`$0 --help' for more information"
+  echo 1>&2 "Try '$0 --help' for more information"
   exit 1
 fi
 
-run=:
-sed_output='s/.* --output[ =]\([^ ]*\).*/\1/p'
-sed_minuso='s/.* -o \([^ ]*\).*/\1/p'
-
-# In the cases where this matters, `missing' is being run in the
-# srcdir already.
-if test -f configure.ac; then
-  configure_ac=configure.ac
-else
-  configure_ac=configure.in
-fi
-
-msg="missing on your system"
-
 case $1 in
+
+  --is-lightweight)
+    # Used by our autoconf macros to check whether the available missing
+    # script is modern enough.
+    exit 0
+    ;;
+
   --run)
-  # Try to run requested program, and just exit if it succeeds.
+    # Back-compat with the calling convention used by older automake.
-  run=
     shift
-  "$@" && exit 0
-  # Exit code 63 means version mismatch.  This often happens
-  # when the user try to use an ancient version of a tool on
-  # a file that requires a minimum version.  In this case we
-  # we should proceed has if the program had been absent, or
-  # if --run hadn't been passed.
-  if test $? = 63; then
-    run=:
-    msg="probably too old"
-  fi
     ;;
 
   -h|--h|--he|--hel|--help)
     echo "\
 $0 [OPTION]... PROGRAM [ARGUMENT]...
 
-Handle \`PROGRAM [ARGUMENT]...' for when PROGRAM is missing, or return an
+Run 'PROGRAM [ARGUMENT]...', returning a proper advice when this fails due
-error status if there is no known handling for PROGRAM.
+to PROGRAM being missing or too old.
 
 Options:
   -h, --help      display this help and exit
   -v, --version   output version information and exit
-  --run           try to run the given command, and emulate it if it fails
 
 Supported PROGRAM values:
-  aclocal      touch file \`aclocal.m4'
+  aclocal   autoconf  autoheader   autom4te  automake  makeinfo
-  autoconf     touch file \`configure'
+  bison     yacc      flex         lex       help2man
-  autoheader   touch file \`config.h.in'
-  autom4te     touch the output file, or create a stub one
-  automake     touch all \`Makefile.in' files
-  bison        create \`y.tab.[ch]', if possible, from existing .[ch]
-  flex         create \`lex.yy.c', if possible, from existing .c
-  help2man     touch the output file
-  lex          create \`lex.yy.c', if possible, from existing .c
-  makeinfo     touch the output file
-  tar          try tar, gnutar, gtar, then tar without non-portable flags
-  yacc         create \`y.tab.[ch]', if possible, from existing .[ch]
 
-Version suffixes to PROGRAM as well as the prefixes \`gnu-', \`gnu', and
+Version suffixes to PROGRAM as well as the prefixes 'gnu-', 'gnu', and
-\`g' are ignored when checking the name.
+'g' are ignored when checking the name.
 
 Send bug reports to <bug-automake@gnu.org>."
     exit $?
@@ -100,272 +70,141 @@ Send bug reports to <bug-automake@gnu.org>."
     ;;
 
   -*)
-    echo 1>&2 "$0: Unknown \`$1' option"
+    echo 1>&2 "$0: unknown '$1' option"
-    echo 1>&2 "Try \`$0 --help' for more information"
+    echo 1>&2 "Try '$0 --help' for more information"
     exit 1
     ;;
 
 esac
 
-# normalize program name to check for.
+# Run the given program, remember its exit status.
-program=`echo "$1" | sed '
+"$@"; st=$?
+
+# If it succeeded, we are done.
+test $st -eq 0 && exit 0
+
+# Also exit now if we it failed (or wasn't found), and '--version' was
+# passed; such an option is passed most likely to detect whether the
+# program is present and works.
+case $2 in --version|--help) exit $st;; esac
+
+# Exit code 63 means version mismatch.  This often happens when the user
+# tries to use an ancient version of a tool on a file that requires a
+# minimum version.
+if test $st -eq 63; then
+  msg="probably too old"
+elif test $st -eq 127; then
+  # Program was missing.
+  msg="missing on your system"
+else
+  # Program was found and executed, but failed.  Give up.
+  exit $st
+fi
+
+perl_URL=http://www.perl.org/
+flex_URL=http://flex.sourceforge.net/
+gnu_software_URL=http://www.gnu.org/software
+
+program_details ()
+{
+  case $1 in
+    aclocal|automake)
+      echo "The '$1' program is part of the GNU Automake package:"
+      echo "<$gnu_software_URL/automake>"
+      echo "It also requires GNU Autoconf, GNU m4 and Perl in order to run:"
+      echo "<$gnu_software_URL/autoconf>"
+      echo "<$gnu_software_URL/m4/>"
+      echo "<$perl_URL>"
+      ;;
+    autoconf|autom4te|autoheader)
+      echo "The '$1' program is part of the GNU Autoconf package:"
+      echo "<$gnu_software_URL/autoconf/>"
+      echo "It also requires GNU m4 and Perl in order to run:"
+      echo "<$gnu_software_URL/m4/>"
+      echo "<$perl_URL>"
+      ;;
+  esac
+}
+
+give_advice ()
+{
+  # Normalize program name to check for.
+  normalized_program=`echo "$1" | sed '
     s/^gnu-//; t
     s/^gnu//; t
     s/^g//; t'`
 
-# Now exit if we have it, but it failed.  Also exit now if we
+  printf '%s\n' "'$1' is $msg."
-# don't have it and --version was passed (most likely to detect
-# the program).  This is about non-GNU programs, so use $1 not
-# $program.
-case $1 in
-  lex*|yacc*)
-    # Not GNU programs, they don't have --version.
-    ;;
-
-  tar*)
-    if test -n "$run"; then
-       echo 1>&2 "ERROR: \`tar' requires --run"
-       exit 1
-    elif test "x$2" = "x--version" || test "x$2" = "x--help"; then
-       exit 1
-    fi
-    ;;
-
-  *)
-    if test -z "$run" && ($1 --version) > /dev/null 2>&1; then
-       # We have it, but it failed.
-       exit 1
-    elif test "x$2" = "x--version" || test "x$2" = "x--help"; then
-       # Could not run --version or --help.  This is probably someone
-       # running `$TOOL --version' or `$TOOL --help' to check whether
-       # $TOOL exists and not knowing $TOOL uses missing.
-       exit 1
-    fi
-    ;;
-esac
-
-# If it does not exist, or fails to run (possibly an outdated version),
-# try to emulate it.
-case $program in
-  aclocal*)
-    echo 1>&2 "\
-WARNING: \`$1' is $msg.  You should only need it if
-         you modified \`acinclude.m4' or \`${configure_ac}'.  You might want
-         to install the \`Automake' and \`Perl' packages.  Grab them from
-         any GNU archive site."
-    touch aclocal.m4
-    ;;
 
+  configure_deps="'configure.ac' or m4 files included by 'configure.ac'"
+  case $normalized_program in
     autoconf*)
-    echo 1>&2 "\
+      echo "You should only need it if you modified 'configure.ac',"
-WARNING: \`$1' is $msg.  You should only need it if
+      echo "or m4 files included by it."
-         you modified \`${configure_ac}'.  You might want to install the
+      program_details 'autoconf'
-         \`Autoconf' and \`GNU m4' packages.  Grab them from any GNU
-         archive site."
-    touch configure
       ;;
-
     autoheader*)
-    echo 1>&2 "\
+      echo "You should only need it if you modified 'acconfig.h' or"
-WARNING: \`$1' is $msg.  You should only need it if
+      echo "$configure_deps."
-         you modified \`acconfig.h' or \`${configure_ac}'.  You might want
+      program_details 'autoheader'
-         to install the \`Autoconf' and \`GNU m4' packages.  Grab them
-         from any GNU archive site."
-    files=`sed -n 's/^[ ]*A[CM]_CONFIG_HEADER(\([^)]*\)).*/\1/p' ${configure_ac}`
-    test -z "$files" && files="config.h"
-    touch_files=
-    for f in $files; do
-      case $f in
-      *:*) touch_files="$touch_files "`echo "$f" |
-				       sed -e 's/^[^:]*://' -e 's/:.*//'`;;
-      *) touch_files="$touch_files $f.in";;
-      esac
-    done
-    touch $touch_files
       ;;
-
     automake*)
-    echo 1>&2 "\
+      echo "You should only need it if you modified 'Makefile.am' or"
-WARNING: \`$1' is $msg.  You should only need it if
+      echo "$configure_deps."
-         you modified \`Makefile.am', \`acinclude.m4' or \`${configure_ac}'.
+      program_details 'automake'
-         You might want to install the \`Automake' and \`Perl' packages.
+      ;;
-         Grab them from any GNU archive site."
+    aclocal*)
-    find . -type f -name Makefile.am -print |
+      echo "You should only need it if you modified 'acinclude.m4' or"
-	   sed 's/\.am$/.in/' |
+      echo "$configure_deps."
-	   while read f; do touch "$f"; done
+      program_details 'aclocal'
       ;;
-
    autom4te*)
-    echo 1>&2 "\
+      echo "You might have modified some maintainer files that require"
-WARNING: \`$1' is needed, but is $msg.
+      echo "the 'autom4te' program to be rebuilt."
-         You might have modified some files without having the
+      program_details 'autom4te'
-         proper tools for further handling them.
-         You can get \`$1' as part of \`Autoconf' from any GNU
-         archive site."
-
-    file=`echo "$*" | sed -n "$sed_output"`
-    test -z "$file" && file=`echo "$*" | sed -n "$sed_minuso"`
-    if test -f "$file"; then
-	touch $file
-    else
-	test -z "$file" || exec >$file
-	echo "#! /bin/sh"
-	echo "# Created by GNU Automake missing as a replacement of"
-	echo "#  $ $@"
-	echo "exit 0"
-	chmod +x $file
-	exit 1
-    fi
       ;;
-
     bison*|yacc*)
-    echo 1>&2 "\
+      echo "You should only need it if you modified a '.y' file."
-WARNING: \`$1' $msg.  You should only need it if
+      echo "You may want to install the GNU Bison package:"
-         you modified a \`.y' file.  You may need the \`Bison' package
+      echo "<$gnu_software_URL/bison/>"
-         in order for those modifications to take effect.  You can get
-         \`Bison' from any GNU archive site."
-    rm -f y.tab.c y.tab.h
-    if test $# -ne 1; then
-        eval LASTARG="\${$#}"
-	case $LASTARG in
-	*.y)
-	    SRCFILE=`echo "$LASTARG" | sed 's/y$/c/'`
-	    if test -f "$SRCFILE"; then
-	         cp "$SRCFILE" y.tab.c
-	    fi
-	    SRCFILE=`echo "$LASTARG" | sed 's/y$/h/'`
-	    if test -f "$SRCFILE"; then
-	         cp "$SRCFILE" y.tab.h
-	    fi
       ;;
-	esac
-    fi
-    if test ! -f y.tab.h; then
-	echo >y.tab.h
-    fi
-    if test ! -f y.tab.c; then
-	echo 'main() { return 0; }' >y.tab.c
-    fi
-    ;;
-
     lex*|flex*)
-    echo 1>&2 "\
+      echo "You should only need it if you modified a '.l' file."
-WARNING: \`$1' is $msg.  You should only need it if
+      echo "You may want to install the Fast Lexical Analyzer package:"
-         you modified a \`.l' file.  You may need the \`Flex' package
+      echo "<$flex_URL>"
-         in order for those modifications to take effect.  You can get
-         \`Flex' from any GNU archive site."
-    rm -f lex.yy.c
-    if test $# -ne 1; then
-        eval LASTARG="\${$#}"
-	case $LASTARG in
-	*.l)
-	    SRCFILE=`echo "$LASTARG" | sed 's/l$/c/'`
-	    if test -f "$SRCFILE"; then
-	         cp "$SRCFILE" lex.yy.c
-	    fi
       ;;
-	esac
-    fi
-    if test ! -f lex.yy.c; then
-	echo 'main() { return 0; }' >lex.yy.c
-    fi
-    ;;
-
     help2man*)
-    echo 1>&2 "\
+      echo "You should only need it if you modified a dependency" \
-WARNING: \`$1' is $msg.  You should only need it if
+           "of a man page."
-	 you modified a dependency of a manual page.  You may need the
+      echo "You may want to install the GNU Help2man package:"
-	 \`Help2man' package in order for those modifications to take
+      echo "<$gnu_software_URL/help2man/>"
-	 effect.  You can get \`Help2man' from any GNU archive site."
-
-    file=`echo "$*" | sed -n "$sed_output"`
-    test -z "$file" && file=`echo "$*" | sed -n "$sed_minuso"`
-    if test -f "$file"; then
-	touch $file
-    else
-	test -z "$file" || exec >$file
-	echo ".ab help2man is required to generate this page"
-	exit $?
-    fi
     ;;
-
     makeinfo*)
-    echo 1>&2 "\
+      echo "You should only need it if you modified a '.texi' file, or"
-WARNING: \`$1' is $msg.  You should only need it if
+      echo "any other file indirectly affecting the aspect of the manual."
-         you modified a \`.texi' or \`.texinfo' file, or any other file
+      echo "You might want to install the Texinfo package:"
-         indirectly affecting the aspect of the manual.  The spurious
+      echo "<$gnu_software_URL/texinfo/>"
-         call might also be the consequence of using a buggy \`make' (AIX,
+      echo "The spurious makeinfo call might also be the consequence of"
-         DU, IRIX).  You might want to install the \`Texinfo' package or
+      echo "using a buggy 'make' (AIX, DU, IRIX), in which case you might"
-         the \`GNU make' package.  Grab either from any GNU archive site."
+      echo "want to install GNU make:"
-    # The file to touch is that specified with -o ...
+      echo "<$gnu_software_URL/make/>"
-    file=`echo "$*" | sed -n "$sed_output"`
-    test -z "$file" && file=`echo "$*" | sed -n "$sed_minuso"`
-    if test -z "$file"; then
-      # ... or it is the one specified with @setfilename ...
-      infile=`echo "$*" | sed 's/.* \([^ ]*\) *$/\1/'`
-      file=`sed -n '
-	/^@setfilename/{
-	  s/.* \([^ ]*\) *$/\1/
-	  p
-	  q
-	}' $infile`
-      # ... or it is derived from the source name (dir/f.texi becomes f.info)
-      test -z "$file" && file=`echo "$infile" | sed 's,.*/,,;s,.[^.]*$,,'`.info
-    fi
-    # If the file does not exist, the user really needs makeinfo;
-    # let's fail without touching anything.
-    test -f $file || exit 1
-    touch $file
       ;;
-
-  tar*)
-    shift
-
-    # We have already tried tar in the generic part.
-    # Look for gnutar/gtar before invocation to avoid ugly error
-    # messages.
-    if (gnutar --version > /dev/null 2>&1); then
-       gnutar "$@" && exit 0
-    fi
-    if (gtar --version > /dev/null 2>&1); then
-       gtar "$@" && exit 0
-    fi
-    firstarg="$1"
-    if shift; then
-	case $firstarg in
-	*o*)
-	    firstarg=`echo "$firstarg" | sed s/o//`
-	    tar "$firstarg" "$@" && exit 0
-	    ;;
-	esac
-	case $firstarg in
-	*h*)
-	    firstarg=`echo "$firstarg" | sed s/h//`
-	    tar "$firstarg" "$@" && exit 0
-	    ;;
-	esac
-    fi
-
-    echo 1>&2 "\
-WARNING: I can't seem to be able to run \`tar' with the given arguments.
-         You may want to install GNU tar or Free paxutils, or check the
-         command line arguments."
-    exit 1
-    ;;
-
     *)
-    echo 1>&2 "\
+      echo "You might have modified some files without having the proper"
-WARNING: \`$1' is needed, and is $msg.
+      echo "tools for further handling them.  Check the 'README' file, it"
-         You might have modified some files without having the
+      echo "often tells you about the needed prerequisites for installing"
-         proper tools for further handling them.  Check the \`README' file,
+      echo "this package.  You may also peek at any GNU archive site, in"
-         it often tells you about the needed prerequisites for installing
+      echo "case some other package contains this missing '$1' program."
-         this package.  You may also peek at any GNU archive site, in case
-         some other package would contain this missing \`$1' program."
-    exit 1
       ;;
   esac
+}
 
-exit 0
+give_advice "$1" | sed -e '1s/^/WARNING: /' \
+                       -e '2,$s/^/         /' >&2
+
+# Propagate the correct exit status (expected to be 127 for a program
+# not found, 63 for a program that failed due to version mismatch).
+exit $st
 
 # Local variables:
 # eval: (add-hook 'write-file-hooks 'time-stamp)

mkinstalldirs

@@ -81,9 +81,9 @@ case $dirmode in
       echo "mkdir -p -- $*"
       exec mkdir -p -- "$@"
     else
-      # On NextStep and OpenStep, the `mkdir' command does not
+      # On NextStep and OpenStep, the 'mkdir' command does not
       # recognize any option.  It will interpret all options as
-      # directories to create, and then abort because `.' already
+      # directories to create, and then abort because '.' already
       # exists.
       test -d ./-p && rmdir ./-p
       test -d ./--version && rmdir ./--version

move-if-change

@@ -2,13 +2,13 @@
 # Like mv $1 $2, but if the files are the same, just delete $1.
 # Status is zero if successful, nonzero otherwise.
 
-VERSION='2011-01-28 20:09'; # UTC
+VERSION='2012-01-06 07:23'; # UTC
 # The definition above must lie within the first 8 lines in order
 # for the Emacs time-stamp write hook (at end) to update it.
 # If you change this file with Emacs, please let the write hook
 # do its job.  Otherwise, update this string manually.
 
-# Copyright (C) 2002-2007, 2009-2011 Free Software Foundation, Inc.
+# Copyright (C) 2002-2014 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -32,7 +32,7 @@ If SOURCE is different than DEST, then move it to DEST; else remove SOURCE.
   --help     display this help and exit
   --version  output version information and exit
 
-The variable CMPPROG can be used to specify an alternative to \`cmp'.
+The variable CMPPROG can be used to specify an alternative to 'cmp'.
 
 Report bugs to <bug-gnulib@gnu.org>."
 

ylwrap

@@ -1,10 +1,9 @@
 #! /bin/sh
 # ylwrap - wrapper for lex/yacc invocations.
 
-scriptversion=2009-04-28.21; # UTC
+scriptversion=2013-01-12.17; # UTC
 
-# Copyright (C) 1996, 1997, 1998, 1999, 2001, 2002, 2003, 2004, 2005,
+# Copyright (C) 1996-2014 Free Software Foundation, Inc.
-# 2007, 2009 Free Software Foundation, Inc.
 #
 # Written by Tom Tromey <tromey@cygnus.com>.
 #
@@ -30,9 +29,41 @@ scriptversion=2009-04-28.21; # UTC
 # bugs to <bug-automake@gnu.org> or send patches to
 # <automake-patches@gnu.org>.
 
+get_dirname ()
+{
+  case $1 in
+    */*|*\\*) printf '%s\n' "$1" | sed -e 's|\([\\/]\)[^\\/]*$|\1|';;
+    # Otherwise,  we want the empty string (not ".").
+  esac
+}
+
+# guard FILE
+# ----------
+# The CPP macro used to guard inclusion of FILE.
+guard ()
+{
+  printf '%s\n' "$1"                                                    \
+    | sed                                                               \
+        -e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/'   \
+        -e 's/[^ABCDEFGHIJKLMNOPQRSTUVWXYZ]/_/g'                        \
+        -e 's/__*/_/g'
+}
+
+# quote_for_sed [STRING]
+# ----------------------
+# Return STRING (or stdin) quoted to be used as a sed pattern.
+quote_for_sed ()
+{
+  case $# in
+    0) cat;;
+    1) printf '%s\n' "$1";;
+  esac \
+    | sed -e 's|[][\\.*]|\\&|g'
+}
+
 case "$1" in
   '')
-    echo "$0: No files given.  Try \`$0 --help' for more information." 1>&2
+    echo "$0: No files given.  Try '$0 --help' for more information." 1>&2
     exit 1
     ;;
   --basedir)
@@ -65,41 +96,62 @@ esac
 
 
 # The input.
-input="$1"
+input=$1
 shift
-case "$input" in
+# We'll later need for a correct munging of "#line" directives.
+input_sub_rx=`get_dirname "$input" | quote_for_sed`
+case $input in
   [\\/]* | ?:[\\/]*)
     # Absolute path; do nothing.
     ;;
   *)
     # Relative path.  Make it absolute.
-    input="`pwd`/$input"
+    input=`pwd`/$input
     ;;
 esac
+input_rx=`get_dirname "$input" | quote_for_sed`
 
-pairlist=
+# The parser itself, the first file, is the destination of the .y.c
-while test "$#" -ne 0; do
+# rule in the Makefile.
-  if test "$1" = "--"; then
+parser=$1
+
+# A sed program to s/FROM/TO/g for all the FROM/TO so that, for
+# instance, we rename #include "y.tab.h" into #include "parse.h"
+# during the conversion from y.tab.c to parse.c.
+sed_fix_filenames=
+
+# Also rename header guards, as Bison 2.7 for instance uses its header
+# guard in its implementation file.
+sed_fix_header_guards=
+
+while test $# -ne 0; do
+  if test x"$1" = x"--"; then
     shift
     break
   fi
-  pairlist="$pairlist $1"
+  from=$1
   shift
+  to=$1
+  shift
+  sed_fix_filenames="${sed_fix_filenames}s|"`quote_for_sed "$from"`"|$to|g;"
+  sed_fix_header_guards="${sed_fix_header_guards}s|"`guard "$from"`"|"`guard "$to"`"|g;"
 done
 
 # The program to run.
-prog="$1"
+prog=$1
 shift
 # Make any relative path in $prog absolute.
-case "$prog" in
+case $prog in
   [\\/]* | ?:[\\/]*) ;;
-  *[\\/]*) prog="`pwd`/$prog" ;;
+  *[\\/]*) prog=`pwd`/$prog ;;
 esac
 
-# FIXME: add hostname here for parallel makes that run commands on
-# other machines.  But that might take us over the 14-char limit.
 dirname=ylwrap$$
-trap "cd '`pwd`'; rm -rf $dirname > /dev/null 2>&1" 1 2 3 15
+do_exit="cd '`pwd`' && rm -rf $dirname > /dev/null 2>&1;"' (exit $ret); exit $ret'
+trap "ret=129; $do_exit" 1
+trap "ret=130; $do_exit" 2
+trap "ret=141; $do_exit" 13
+trap "ret=143; $do_exit" 15
 mkdir $dirname || exit 1
 
 cd $dirname
@@ -111,98 +163,56 @@ esac
 ret=$?
 
 if test $ret -eq 0; then
-  set X $pairlist
+  for from in *
-  shift
+  do
-  first=yes
+    to=`printf '%s\n' "$from" | sed "$sed_fix_filenames"`
-  # Since DOS filename conventions don't allow two dots,
-  # the DOS version of Bison writes out y_tab.c instead of y.tab.c
-  # and y_tab.h instead of y.tab.h. Test to see if this is the case.
-  y_tab_nodot="no"
-  if test -f y_tab.c || test -f y_tab.h; then
-    y_tab_nodot="yes"
-  fi
-
-  # The directory holding the input.
-  input_dir=`echo "$input" | sed -e 's,\([\\/]\)[^\\/]*$,\1,'`
-  # Quote $INPUT_DIR so we can use it in a regexp.
-  # FIXME: really we should care about more than `.' and `\'.
-  input_rx=`echo "$input_dir" | sed 's,\\\\,\\\\\\\\,g;s,\\.,\\\\.,g'`
-
-  while test "$#" -ne 0; do
-    from="$1"
-    # Handle y_tab.c and y_tab.h output by DOS
-    if test $y_tab_nodot = "yes"; then
-      if test $from = "y.tab.c"; then
-    	from="y_tab.c"
-      else
-    	if test $from = "y.tab.h"; then
-    	  from="y_tab.h"
-    	fi
-      fi
-    fi
     if test -f "$from"; then
       # If $2 is an absolute path name, then just use that,
-      # otherwise prepend `../'.
+      # otherwise prepend '../'.
-      case "$2" in
+      case $to in
-    	[\\/]* | ?:[\\/]*) target="$2";;
+        [\\/]* | ?:[\\/]*) target=$to;;
-    	*) target="../$2";;
+        *) target=../$to;;
       esac
 
-      # We do not want to overwrite a header file if it hasn't
+      # Do not overwrite unchanged header files to avoid useless
-      # changed.  This avoid useless recompilations.  However the
+      # recompilations.  Always update the parser itself: it is the
-      # parser itself (the first file) should always be updated,
+      # destination of the .y.c rule in the Makefile.  Divert the
-      # because it is the destination of the .y.c rule in the
+      # output of all other files to a temporary file so we can
-      # Makefile.  Divert the output of all other files to a temporary
+      # compare them to existing versions.
-      # file so we can compare them to existing versions.
+      if test $from != $parser; then
-      if test $first = no; then
+        realtarget=$target
-	realtarget="$target"
+        target=tmp-`printf '%s\n' "$target" | sed 's|.*[\\/]||g'`
-	target="tmp-`echo $target | sed s/.*[\\/]//g`"
       fi
-      # Edit out `#line' or `#' directives.
-      #
-      # We don't want the resulting debug information to point at
-      # an absolute srcdir; it is better for it to just mention the
-      # .y file with no path.
-      #
-      # We want to use the real output file name, not yy.lex.c for
-      # instance.
-      #
-      # We want the include guards to be adjusted too.
-      FROM=`echo "$from" | sed \
-            -e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/'\
-            -e 's/[^ABCDEFGHIJKLMNOPQRSTUVWXYZ]/_/g'`
-      TARGET=`echo "$2" | sed \
-            -e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/'\
-            -e 's/[^ABCDEFGHIJKLMNOPQRSTUVWXYZ]/_/g'`
 
-      sed -e "/^#/!b" -e "s,$input_rx,," -e "s,$from,$2," \
+      # Munge "#line" or "#" directives.  Don't let the resulting
-          -e "s,$FROM,$TARGET," "$from" >"$target" || ret=$?
+      # debug information point at an absolute srcdir.  Use the real
+      # output file name, not yy.lex.c for instance.  Adjust the
+      # include guards too.
+      sed -e "/^#/!b"                           \
+          -e "s|$input_rx|$input_sub_rx|"       \
+          -e "$sed_fix_filenames"               \
+          -e "$sed_fix_header_guards"           \
+        "$from" >"$target" || ret=$?
 
-      # Check whether header files must be updated.
+      # Check whether files must be updated.
-      if test $first = no; then
+      if test "$from" != "$parser"; then
         if test -f "$realtarget" && cmp -s "$realtarget" "$target"; then
-	  echo "$2" is unchanged
+          echo "$to is unchanged"
           rm -f "$target"
         else
-          echo updating "$2"
+          echo "updating $to"
           mv -f "$target" "$realtarget"
         fi
       fi
     else
-      # A missing file is only an error for the first file.  This
+      # A missing file is only an error for the parser.  This is a
-      # is a blatant hack to let us support using "yacc -d".  If -d
+      # blatant hack to let us support using "yacc -d".  If -d is not
-      # is not specified, we don't want an error when the header
+      # specified, don't fail when the header file is "missing".
-      # file is "missing".
+      if test "$from" = "$parser"; then
-      if test $first = yes; then
         ret=1
       fi
     fi
-    shift
-    shift
-    first=no
   done
-else
-  ret=$?
 fi
 
 # Remove the directory.