of ppl and cloog. Fix in-tree configury of libelf, skip tests.
Fix portability of test of C++ as bootstrap language. Add
ppl/src/ppl-config.o to the bootstrap compare exclusion list.
* configure: Rebuild.
* Makefile.def: Drop host and target settings from gmp, mpfr, ppl,
and cloog. Fix in-tree ppl configuration. Introduce libelf
in-tree building.
* Makefile.tpl (POSTSTAGE1_CXX_EXPORT): New.
(POSTSTAGE1_HOST_EXPORTS): Use it.
(STAGE[+id+]_CXXFLAGS): New.
(BASE_FLAGS_TO_PASS): Pass it down.
(configure-stage[+id+]-[+prefix+][+module+]): Use it. Add
extra_exports.
(all-stage[+id+]-[+prefix+][+module+]): Likewise.
(configure-[+prefix+][+module+], all-[+prefix+][+module+]): Add
extra_exports.
* Makefile.in: Rebuild.
* configure.ac (FLAGS_FOR_TARGET): Add -L and -isystem
paths for *-w64-mingw* and x86_64-*mingw*.
* configure: Regenerated.
* configure.ac: Disable target-winsup & co for
x86_64-*-mingw* and *-w64-mingw* targets.
* configure: Regenerated.
* configure.ac (CLooG test): Use = with test.
* configure: Regenerate.
* configure.ac: Do not set LIBS for ppl/cloog checks. Disable
cloog if the ppl version check failed. Move flags saving
before setting in libelf check.
* configure: Regenerate.
* configure.ac: Adjust the ppl and cloog configure to work as
documented. Disable cloog if ppl was disabled. Omit the version
checks if they were disabled.
* configure: Re-generate.
/:
* configure.ac: Do not use $extrasub for replacing @if/@endif
parts in Makefile; instead, use additional arguments to
AC_CONFIG_COMMANDS to do the replacement manually, with several
sed invocations, to avoid HP-UX sed command limits.
* configure: Regenerate.
/:
* configure.ac: Call AC_DISABLE_OPTION_CHECKING.
(baseargs): Add --disable-option-checking.
* configure: Regenerate.
config/:
* override.m4 (AC_DISABLE_OPTION_CHECKING): Define to be
empty if not defined, to avoid error with 2.59.
(_AC_LANG_IO_PROGRAM): When the Autoconf version is exactly
2.64, avoid per-language instances to drop fopen from test
program.
/:
2009-07-31 Christian Bruel <christian.bruel@st.com>
* configure.ac (sh*-*-elf): Don't add target-libgloss to noconfigdirs.
* configure: Regenerate.
2009-07-06 Ian Lance Taylor <iant@google.com>
* configure.ac: Add missing comma in AC_ARG_WITH(boot-libs).
* configure: Rebuild.
2009-06-26 Steve Ellcey <sje@cup.hp.com>
PR bootstrap/40338
* configure.ac (comparestring): Create new variable.
* Makefile.tpl (comparestring): Use to skip some comparisions.
* configure: Regenerate.
* Makefile.in: Regenerate.
2009-06-23 Ian Lance Taylor <iant@google.com>
* configure.ac: Add --enable-build-with-cxx. When set, add c++ to
boot_languages. Only bootstrap target libraries listed in
target_libs for some boot language. Add --with-stage1-ldflags,
--with-stage1-libs, --with-boot-ldflags, --with-boot-libs. Remove
with_host_libstdcxx from ppllibs. Only add -fkeep-inline-functions
if not building with C++.
* Makefile.def: For target_module libstdc++-v3, set bootstrap=true.
* Makefile.tpl (STAGE1_LDFLAGS, STAGE1_LIBS): New variables.
(POSTSTAGE1_LDFLAGS, POSTSTAGE1_LIBS): New variables.
(HOST_EXPORTS): Add STAGE1_LDFLAGS to LDFLAGS. Export HOST_LIBS.
(POSTSTAGE1_HOST_EXPORTS): Set CXX and CXX_FOR_BUILD. Add
POSTSTAGE1_LDFLAGS to LDFLAGS. Export HOST_LIBS.
(POSTSTAGE1_FLAGS_TO_PASS): Likewise.
* configure, Makefile.in: Rebuild.
2009-06-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
* configure.ac: Detect MPC in default directory.
* configure: Regenerate.
2009-06-02 Richard Sandiford <r.sandiford@uk.ibm.com>
* configure.ac (powerpc-*-aix*, rs6000-*-aix*): Add target-newlib
to noconfdirs.
* configure: Regenerate.
2009-05-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
* Makefile.def: Add MPC support and dependencies.
* configure.ac: Likewise. Reorganize GMP/MPFR checks.
* Makefile.in, configure: Regenerate.
2009-05-24 Nicolas Roche <roche@adacore.com>
* Makefile.tpl (compare-target): Skip ./ada/*tools directories.
* Makefile.in: Regenerate.
2009-05-21 Dave Korn <dave.korn.cygwin@gmail.com>
* configure.ac (cygwin noconfigdirs): Remove libgcj.
* configure: Regenerate.
2009-05-07 Dave Korn <dave.korn.cygwin@gmail.com>
* configure.ac ($with_ppl): Default to no if not supplied.
($with_cloog): Likewise.
configure: Regenerate.
2009-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
PR bootstrap/39739
* configure.ac (extra_mpfr_configure_flags): Set and AC_SUBST.
* Makefile.def (module=mpfr): Use extra_mpfr_configure_flags.
* configure, Makefile.in: Regenerate.
2009-04-14 Jakub Jelinek <jakub@redhat.com>
* configure.ac: Change copyright header to refer to version
3 of the GNU General Public License and to point readers at the
COPYING3 file and the FSF's license web page.
* Makefile.def: Likewise.
* Makefile.tpl: Likewise.
* Makefile.in: Regenerate.
2009-04-09 Jack Howarth <howarth@bromo.med.uc.edu>
* configure.ac: Restore match for darwin9 or later. Use double
brackets since regeneration eats one pair.
* configure: Regenerate.
Sync with GCC:
2008-12-12 Sebastian Pop <sebastian.pop@amd.com>
* configure.ac (ppllibs): Add by default the lib flags.
* configure: Regenerate.
2008-12-04 Jack Howarth <howarth@bromo.med.uc.edu>
* configure.ac: Add double brackets on darwin[912].
* configure: Regenerate.
2008-12-02 Jack Howarth <howarth@bromo.med.uc.edu>
* configure.ac: Expand to darwin10 and later.
* configure: Regenerate.
* configure: Regenerate.
config/
* mt-mips16-compat: New file, taken from mt-mips-elfoabi.
* mt-mips-elfoabi: Include mt-mips16-compat.
* mt-mips-gnu: New file.
config/
* override.m4: Use m4_version_prereq throughout.
(_AC_ARG_VAR_VALIDATE, AC_MSG_FAILURE): Backport from git
Autoconf: output pwd along with fatal errors, so the right
config.log file is hinted at more prominently.
(PARSE_ARGS): Push setting of ac_pwd in this diversion.
(_GCC_AUTOCONF_VERSION): New, define to 2.59 if not defined.
(_GCC_AUTOCONF_VERSION_CHECK): New macro, require use of Autoconf
version _GCC_AUTOCONF_VERSION throughout the tree.
(m4_wrap): New override, fix for Posix semantics of m4wrap.
binutils/
* configure: Regenerate.
opcodes/
* configure: Regenerate.
bfd/
* configure: Regenerate.
gas/
* configure: Regenerate.
gprof/
* configure: Regenerate.
ld/
* config.in: Regenerate.
* configure: Regenerate.
Sync with gcc:
2008-04-18 Paolo Bonzini <bonzini@gnu.org>
PR bootstrap/35457
* configure.ac: Include override.m4.
* configure: Regenerate.
2008-04-18 Paolo Bonzini <bonzini@gnu.org>
* Makefile.tpl (restrap): Call `make all' using double-colon rules.
* Makefile.in: Regenerate.
2008-04-11 Eric B. Weddington <eweddington@cso.atmel.com>
* configure.ac: Do not build libssp for the AVR.
* configure: Regenerate.
config:
2008-04-18 Paolo Bonzini <bonzini@gnu.org>
PR bootstrap/35457
* override.m4: Add this. Make sure aclocal always picks it.
Add more lenient precious variable check, backported from
autoconf trunk.
* acx.m4 (ACX_CHECK_CYGWIN_CAT_WORKS): New macro to check that
cygwin builds are not running in textmode.
* configure.ac: Run ACX_CHECK_CYGWIN_CAT_WORKS for cygwin hosted
builds.
* configure: Regenerate.
PR bootstrap/32009
PR bootstrap/32161
* configure.ac (CFLAGS_FOR_TARGET, CXXFLAGS_FOR_TARGET): Compute here.
* configure: Regenerate.
* Makefile.def: Define stage_libcflags for all bootstrap stages.
* Makefile.tpl (BOOT_LIBCFLAGS, STAGE2_LIBCFLAGS, STAGE3_LIBCFLAGS,
STAGE4_LIBCFLAGS): New.
(CFLAGS_FOR_TARGET, CXXFLAGS_FOR_TARGET): Subst from autoconf, without
$(SYSROOT_CFLAGS_FOR_TARGET) and $(DEBUG_PREFIX_CFLAGS_FOR_TARGET).
(BASE_TARGET_EXPORTS): Append them here to C{,XX}FLAGS.
(EXTRA_TARGET_FLAGS): Append them here to {LIB,}C{,XX}FLAGS.
(configure-stage[+id+]-[+prefix+][+module+]): Pass stage_libcflags
for target modules. Don't export LIBCFLAGS.
(all-stage[+id+]-[+prefix+][+module+]): Pass stage_libcflags; pass
$(BASE_FLAGS_TO_PASS) where [+args+] was passed, and [+args+] after
the overridden CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET.
(invocations of `all'): Replace $(TARGET_FLAGS_TO_PASS) with
$(EXTRA_TARGET_FLAGS), $(FLAGS_TO_PASS) with $(EXTRA_HOST_FLAGS).
* Makefile.in: Regenerate.
config:
2008-02-20 Paolo Bonzini <bonzini@gnu.org>
PR bootstrap/32009
* mh-ppc-darwin (BOOT_CFLAGS): Reenable.
only for $host = $build.
Set default CXXFLAGS_FOR_BUILD to CXXFLAGS, not CFLAGS.
Set default LDFLAGS_FOR_BUILD to LDFLAGS, not CFLAGS.
* configure: Regenerate.
* configure.ac: Remove mips64*-*-linux* noconfigdirs section, thus
enabling libgcj.
* configure: Regenerate.
2007-09-12 Richard Guenther <rguenther@suse.de>
* configure.ac (--enable-stage1-checking): If neither --enable-checking
nor --disable-checking is provided also turn on yes and types
checking for stage1.
* configure: Re-generate.
PR other/32154
* configure.ac: For libgloss targets, point the linker to the linker
script, startup code and simulator library.
* configure: Regenerate.
Nigel Stephens <nigel@mips.com>
* config/mt-sde: New file.
* configure.ac (mips*-sde-elf*): New stanza. Use config/mt-sde
as target_makefile_frag.
* configure: Regenerate.
* configure: Rebuilt.
config/ChangeLog:
* acx.m4 (NCN_STRICT_CHECK_TOOLS): Mark environment variable as
precious. Prefer it over a cached value. Use cached value
verbosely.
(NCN_STRICT_CHECK_TARGET_TOOLS): Likewise. Don't override
environment variable with build-time tools.
* configure.in: Change == to = in test command.
* configure: Regenerate.
2007-01-11 Paolo Bonzini <bonzini@gnu.org>
* warnings.m4: Use m4_expand_once to clear the AC_SUBST'ed variable.
(ACX_PROG_CC_WARNINGS_ARE_ERRORS): Fix typo. Add optional 2nd argument.
Sync with gcc:
2006-12-29 Paolo Bonzini <bonzini@gnu.org>
* configure.in: Reorganize recognition of languages. Add
--enable-stage1-languages. Show supported languages for the chosen
target rather than all recognized languages.
* configure: Regenerate.
2006-12-29 Paolo Bonzini <bonzini@gnu.org>
* Makefile.tpl (GCC_STRAP_TARGETS, all-prebootstrap): Remove.
* Makefile.in: Regenerate.
2006-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
* configure.in: Warn that MPFR 2.2.0 is buggy.
* configure: Regenerate.
config:
2006-12-29 Paolo Bonzini <bonzini@gnu.org>
* acx.m4: Sync with gcc.
Sync with gcc:
2006-12-19 Paolo Bonzini <bonzini@gnu.org>
* configure.in: Remove "$build" case for powerpc-*-darwin* since
it only affects bootstrap and could be tested on "$host" as well.
* configure: Regenerate.
* config/mh-ppc-darwin: Add to the stage1 cflags here.
2006-12-19 Paolo Bonzini <bonzini@gnu.org>
PR bootstrap/29544
* Makefile.def (flags_to_pass): Add STAGE1_CHECKING.
(bootstrap_stage): Add STAGE1_CHECKING to stage1 configure flags,
move here comment from Makefile.tpl.
* Makefile.tpl: Move some definitions higher in the file.
(STAGE1_CHECKING): New.
* configure.in: Add --enable-stage1-checking.
* configure: Regenerate.
* Makefile.in: Regenerate.
2006-12-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
* configure.in: Update error message for missing GMP/MPFR.
* configure: Regenerate.
2006-12-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
* configure.in: Update MPFR version in error message.
* configure: Regenerate.
2006-11-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
* configure.in (--with-mpfr-dir, --with-gmp-dir): Remove flags.
(--with-mpfr-include, --with-mpfr-lib, --with-gmp-include,
--with-gmp-lib): New flags.
* configure: Regenerate.
config:
2006-12-04 Eric Botcazou <ebotcazou@libertysurf.fr>
* tls.m4 (GCC_CHECK_TLS): Do not test TLS with static linking
if static linking doesn't even work.
Never build newlib as Mingw target library.
Test the existence of winsup/cygwin for building a Cygwin newlib,
rather than just winsup.
Add winsup/mingw and winsup/w32api paths to FLAGS_FOR_TARGET if
building a Mingw target.
* configure: Regenerate.
2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
PR bootstrap/18058
* configure.in: Add -fkeep-inline-functions to CFLAGS for stage 1
if the bootstrap compiler is a GCC version that supports it.
* configure: Regenerate.
config:
2006-07-21 David Daney <ddaney@avtrex.com>
PR libgcj/28426
* gxx-include-dir.m4: Use target_alias in path for cross build.
Sync from gcc:
2007-07-03 Paolo Bonzini <bonzini@gnu.org>
PR other/27063
* configure.in: Test subdir_requires and give an appropriate
error message.
* configure: Regenerate.
2006-06-16 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
PR target/27540
* configure.in: Only enable libgomp on IRIX 6.
* configure: Regenerate.
PR bootstrap/28072
* configure.in: Add target-boehm-gc to noconfigdirs depending on
whether target-libjava is being configured instead of whether the
java front end is enabled.
* configure: Regenerate.
Sync from gcc:
2006-06-12 David Ayers <d.ayers@inode.at>
PR bootstrap/27963
PR target/19970
* configure.in: Remove target-boehm-gc from noconfigdirs where
${libgcj} is specified.
* configure: Regenerate.
Sync from gcc:
2006-06-06 David Ayers <d.ayers@inode.at>
PR libobjc/13946
* Makefile.def: Add dependencies for libobjc which boehm-gc.
* Makefile.in: Regenerate.
* configure.in: Add --enable-objc-gc at toplevel and have it
enable boehm-gc for Objective-C.
Remove target-boehm-gc from libgcj.
Add target-boehm-gc to target_libraries.
Add target-boehm-gc to noconfigdirs where ${libgcj}
is specified.
Assert that boehm-gc is supported when requested for Objective-C.
Only build boehm-gc if needed either for Java or Objective-C.
* configure: Regenerate.
2006-06-05 Paolo Bonzini <bonzini@gnu.org>
PR 27674
* Makefile.tpl (configure-[+prefix+][+module+],
all-[+prefix+][+module+]): Depend on stage_current if bootstrapping.
Remove rule to unstage bootstrapped modules.
(stage_current): New.
* Makefile.in: Regenerate.
2006-05-20 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
Andreas Tobler <a.tobler@schweiz.ch>
* configure.in: Enable libgcj for hppa*-hp-hpux11*.
* configure: Rebuilt.
Revert
2006-01-31 Richard Guenther <rguenther@suse.de>
Paolo Bonzini <bonzini@gnu.org>
* Makefile.def (target_modules): Add libgcc-math target module.
* configure.in (target_libraries): Add libgcc-math target library.
(--enable-libgcc-math): New configure switch.
* Makefile.in: Re-generate.
* configure: Re-generate.
PR bootstrap/25670
* Makefile.tpl ([+compare-target+]): Print explanation messages.
* Makefile.def (ADAFLAGS, BOOT_ADAFLAGS, LANGUAGES): New flags_to_pass.
* Makefile.tpl (BASE_FLAGS_TO_PASS): Support optional flags_to_pass.
(EXTRA_GCC_FLAGS): Remove ADAFLAGS, BOOT_ADAFLAGS, LANGUAGES,
BUILD_PREFIX, BUILD_PREFIX_1.
* configure.in: (BUILD_PREFIX, BUILD_PREFIX_1): Don't substitute.
* Makefile.def (bootstrap stage 1): Pass LIBCFLAGS too.
* Makefile.tpl (POSTSTAGE1_FLAGS_TO_PASS): Override LIBCFLAGS too.
* Makefile.tpl (configure-stage[+id+]-[+prefix+][+module+],
all-stage[+id+]-[+prefix+][+module+], : Use $(current_stage) instead
of `cat stage_current`. Always provide the `r' and `s' variables.
(clean-stage[+id+]-[+prefix+][+module+]): Likewise, and make it into
a single shell execution.
(configure-[+prefix+][+module+], all-[+prefix+][+module+]): For
bootstrapped modules, make the stage1 module if the build was not
started yet, else build the current stage.
(all-host, all-target): Omit bootstrapped modules (if bootstrapping).
(all-build, all-host, all-target, [+make_target+]-host,
[+make_target+]-target): Do not use \-continued lines.
(target modules): Depend on stage_last, not all-gcc, if bootstrapping.
(current_stage, restrap, stage_last): New.
* Makefile.in: Regenerate.
* configure: Regenerate.
Andreas Schwab <schwab@suse.de>
* configure: Regenerate.
config:
2006-02-14 Paolo Bonzini <bonzini@gnu.org>
Andreas Schwab <schwab@suse.de>
* acx.m4 (NCN_STRICT_CHECK_TARGET_TOOLS): Use correct program name.
(ACX_CHECK_INSTALLED_TARGET_TOOL): Likewise, and always set $1.
* configure.in: Set with_gnu_as, with_gnu_ld, with_newlib earlier.
Set md_exec_prefix. Use ACX_CHECK_INSTALLED_TARGET_TOOL to find
the assembler, linker and binutils.
* configure: Regenerate.
config:
2006-01-16 Paolo Bonzini <bonzini@gnu.org>
* acx.m4 (NCN_STRICT_CHECK_TARGET_TOOLS): Test $with_build_time_tools.
(ACX_PATH_SEP): New.
(ACX_TOOL_DIRS): Move here from the gcc directory.
(ACX_CHECK_INSTALLED_TARGET_TOOL): New.
(GCC_TARGET_TOOL): Do not use a host tool if we found a target tool
with a complete path in either $with_build_time_tools or $exec_prefix.
Sync from gcc:
2006-01-04 Paolo Bonzini <bonzini@gnu.org>
PR bootstrap/24252
* Makefile.def (flags_to_pass): Add STAGE1_CFLAGS and STAGE1_LANGUAGES.
* Makefile.tpl (OBJDUMP): New.
(EXTRA_HOST_FLAGS): Add it.
(EXTRA_GCC_FLAGS): Remove flags already specified in flags_to_pass.
* Makefile.tpl (stage[+id+]-start, stage[+id+]-end): Do not try
to use symbolic links between directories. Avoid race conditions
or make them harmless.
* configure.in: Do not try to use symbolic links between directories.
* Makefile.def (LEAN): Pass.
* Makefile.tpl (LEAN): Define.
(stage[+id+]-start): Accept that the previous directory does not
exist, if the bootstrap is lean.
(stage[+id+]-bubble): Invoke lean bootstrap commands after
stage[+id+]-start. Use a makefile variable and an `if' instead of a
configure substitution.
([+compare-target+]): Likewise.
([+bootstrap-target+]-lean): New.
* configure.in: Remove lean bootstrap support from here.
* Makefile.in: Regenerate.
* configure: Regenerate.
2006-01-02 Andreas Schwab <schwab@suse.de>
* configure.in: When reconfiguring remove Makefile in
all stage directories.
* configure: Regenerate.
Revert Ada-related part of the previous change.
* Makefile.def (ADAFLAGS, BOOT_ADAFLAGS, ADAFLAGS_FOR_TARGET):
Do not pass.
* Makefile.tpl (BOOT_ADAFLAGS): Do not define.
* Makefile.in: Regenerate.
* configure.in: Do not include mt-ppc-aix target fragment.
* configure: Regenerate.
config:
2005-12-20 Paolo Bonzini <bonzini@gnu.org>
Revert Ada-related part of the previous change.
* mt-ppc-aix: Delete.
2005-12-05 Paolo Bonzini <bonzini@gnu.org>
Sync with gcc:
2005-12-05 Paolo Bonzini <bonzini@gnu.org>
* configure.in (CONFIGURED_BISON, CONFIGURED_YACC, CONFIGURED_M4,
CONFIGURED_FLEX, CONFIGURED_LEX, CONFIGURED_MAKEINFO): Remove
"CONFIGURED_" from the AC_CHECK_PROGS invocation. Move below.
Find in-tree tools if available.
(EXPECT, RUNTEST, LIPO, STRIP): Find them and substitute them.
(CONFIGURED_*_FOR_TARGET): Don't set nor substitute.
(*_FOR_TARGET): Set them with GCC_TARGET_TOOL.
(COMPILER_*_FOR_TARGET): New.
* Makefile.tpl (HOST_EXPORTS): Add *_FOR_TARGET symbols that gcc needs.
(BASE_TARGET_EXPORTS): Use COMPILER_*_FOR_TARGET symbols.
(CONFIGURED_*, USUAL_*): Remove.
(BISON, YACC, FLEX, LEX, M4, MAKEINFO, EXPECT, RUNTEST, LIPO,
STRIP): Use autoconf substitutions.
(COMPILER_AS_FOR_TARGET, COMPILER_LD_FOR_TARGET,
COMPILER_NM_FOR_TARGET): New.
(EXTRA_HOST_FLAGS): Pass LIPO and STRIP.
(all): Make all-host and all-target in parallel.
(do-[+make_target+], do-check, install, [+compare-target+]): Ensure
that $$r and $$s are set before invoking a recursive make.
(stage[+id+]-bubble): Likewise, and invoke the comparison at the end.
([+bootstrap-target+]): Inline most of the `all' target.
2005-11-29 Ben Elliston <bje@au.ibm.com>
* Makefile.tpl (clean-target-libgcc): Invoke clean-target-libgcc
from the gcc build directory.
* Makefile.in: Regenerate.
2005-11-29 Ben Elliston <bje@au.ibm.com>
* Makefile.def: Add new libdecnumber host_module. Make all-gcc
depend on all-libdecnumber.
* configure.in (host_libs): Include libdecnumber.
* Makefile.in: Regenerate.
* configure: Likewise.
2005-11-21 Kean Johnston <jkj@sco.com>
* config.sub, config.guess: Sync from upstream sources.
config:
2005-12-05 Paolo Bonzini <bonzini@gnu.org>
* acx.m4 (GCC_TARGET_TOOL): New.
* Makefile.tpl (CONFIGURE_GDB_TK, INSTALL_GDB_TK): New variables.
(configure-gdb, install-gdb): New rules.
* configure.in: Set CONFIGURE_GDB_TK and INSTALL_GDB_TK.
* Makefile.in, configure: Regenerated.
PR bootstrap/22340
* configure.in (default_target): Remove.
* Makefile.tpl (all): Do not use prerequisites as subroutines
(all) [gcc-bootstrap]: Bootstrap gcc first if it was not done yet.
(do-[+make_target+], check, install, [+bootstrap_target+]): Do not
use prerequisites as subroutines.
(check-host, check-target): New.
(bootstrap configure & all targets): Do not use stage*-start
if the directory layout is already ok.
(non-bootstrap configure & all targets): Prepend a $(unstage).
(stage[+id+]-bubble): Do that here. Do not use NOTPARALLEL.
(NOTPARALLEL): Remove.
(unstage, stage variables): New variables.
(unstage, stage targets): Simply expand to those variables.
* configure: Regenerate.
* Makefile.in: Regenerate.