2006-11-08 Jie Zhang <jzhang918@gmail.com>
* bfin/configure.in: New.
* bfin/crt0.S: New.
* bfin/Makefile.in: New.
* bfin/syscalls.c: New.
* bfin/aclocal.m4: Generate.
* bfin/configure: Ditto.
* configure.in: Add support for bfin-*-*.
* configure: Regenerate.
* syscall.h (SYS_argc): Define.
(SYS_argnlen): Define.
(SYS_argn): Define.
This commit is contained in:
Jeff Johnston
parent
292f8e2328
commit
c0977673ac
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@ -1,3 +1,17 @@
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2006-11-08 Jie Zhang <jzhang918@gmail.com>
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* bfin/configure.in: New.
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* bfin/crt0.S: New.
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* bfin/Makefile.in: New.
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* bfin/syscalls.c: New.
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* bfin/aclocal.m4: Generate.
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* bfin/configure: Ditto.
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* configure.in: Add support for bfin-*-*.
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* configure: Regenerate.
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* syscall.h (SYS_argc): Define.
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(SYS_argnlen): Define.
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(SYS_argn): Define.
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2006-10-10 Thiemo Seufer <ths@mips.com>
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2006-10-10 Thiemo Seufer <ths@mips.com>
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* mips/Makefile.in: Add INCLUDES to local compile rules.
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* mips/Makefile.in: Add INCLUDES to local compile rules.
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@ -0,0 +1,102 @@
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#
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#
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DESTDIR =
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VPATH = @srcdir@ @srcdir@/..
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srcdir = @srcdir@
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objdir = .
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srcroot = $(srcdir)/../..
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objroot = $(objdir)/../..
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prefix = @prefix@
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exec_prefix = @exec_prefix@
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host_alias = @host_alias@
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target_alias = @target_alias@
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bindir = @bindir@
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libdir = @libdir@
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tooldir = $(exec_prefix)/$(target_alias)
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INSTALL = @INSTALL@
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INSTALL_PROGRAM = @INSTALL_PROGRAM@
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INSTALL_DATA = @INSTALL_DATA@
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# Multilib support variables.
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# TOP is used instead of MULTI{BUILD,SRC}TOP.
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MULTIDIRS =
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MULTISUBDIR =
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SHELL = /bin/sh
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CC = @CC@
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AS = @AS@
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AR = @AR@
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LD = @LD@
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RANLIB = @RANLIB@
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OBJDUMP = `if [ -f ${objroot}/../binutils/objdump ] ; \
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then echo ${objroot}/../binutils/objdump ; \
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else t='$(program_transform_name)'; echo objdump | sed -e $$t ; fi`
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OBJCOPY = `if [ -f ${objroot}/../binutils/objcopy ] ; \
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then echo ${objroot}/../binutils/objcopy ; \
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else t='$(program_transform_name)'; echo objcopy | sed -e $$t ; fi`
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OBJS =
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CFLAGS =
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SCRIPTS =
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# Here is all of the simulator stuff
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SIM_SCRIPTS =
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SIM_LDFLAGS =
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SIM_BSP = libsim.a
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SIM_CRT0 = crt0.o
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SIM_OBJS = syscalls.o
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SIM_TEST = sim-test
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SIM_INSTALL = install-sim
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# Host specific makefile fragment comes in here.
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@host_makefile_frag@
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#
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# build a test program for each target board. Just trying to get
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# it to link is a good test, so we ignore all the errors for now.
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#
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all: ${SIM_CRT0} ${SIM_BSP}
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#
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# here's where we build the board support packages for each target
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#
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${SIM_BSP}: ${OBJS} ${SIM_OBJS}
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${AR} ${ARFLAGS} ${SIM_BSP} ${SIM_OBJS} ${OBJS}
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${RANLIB} ${SIM_BSP}
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#
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#
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#
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.c.S:
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${CC} ${CFLAGS_FOR_TARGET} -c $<
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clean mostlyclean:
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rm -f a.out core *.i *.o $(SIM_BSP)
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distclean maintainer-clean realclean: clean
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rm -f Makefile config.status *~
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.PHONY: install info install-info clean-info
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install: ${SIM_INSTALL}
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install-sim:
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set -e; for x in ${SIM_CRT0} ${SIM_BSP} ${SIM_SCRIPTS}; do ${INSTALL_DATA} $$x $(DESTDIR)${tooldir}/lib${MULTISUBDIR}/$$x; done
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doc:
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info:
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install-info:
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clean-info:
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Makefile: Makefile.in config.status @host_makefile_frag_path@
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$(SHELL) config.status
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config.status: configure
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$(SHELL) config.status --recheck
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@ -0,0 +1,344 @@
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# generated automatically by aclocal 1.9.5 -*- Autoconf -*-
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# Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
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# 2005 Free Software Foundation, Inc.
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# This file is free software; the Free Software Foundation
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# gives unlimited permission to copy and/or distribute it,
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||||||
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# with or without modifications, as long as this notice is preserved.
|
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
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# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
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# PARTICULAR PURPOSE.
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# AM_CONDITIONAL -*- Autoconf -*-
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# Copyright (C) 1997, 2000, 2001, 2003, 2004, 2005
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# Free Software Foundation, Inc.
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#
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# This file is free software; the Free Software Foundation
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# gives unlimited permission to copy and/or distribute it,
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# with or without modifications, as long as this notice is preserved.
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# serial 7
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# AM_CONDITIONAL(NAME, SHELL-CONDITION)
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# -------------------------------------
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# Define a conditional.
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AC_DEFUN([AM_CONDITIONAL],
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[AC_PREREQ(2.52)dnl
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ifelse([$1], [TRUE], [AC_FATAL([$0: invalid condition: $1])],
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[$1], [FALSE], [AC_FATAL([$0: invalid condition: $1])])dnl
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AC_SUBST([$1_TRUE])
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AC_SUBST([$1_FALSE])
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if $2; then
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$1_TRUE=
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$1_FALSE='#'
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else
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$1_TRUE='#'
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$1_FALSE=
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|
fi
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AC_CONFIG_COMMANDS_PRE(
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[if test -z "${$1_TRUE}" && test -z "${$1_FALSE}"; then
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AC_MSG_ERROR([[conditional "$1" was never defined.
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Usually this means the macro was only invoked conditionally.]])
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fi])])
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# Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005
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# Free Software Foundation, Inc.
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||||||
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#
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||||||
|
# This file is free software; the Free Software Foundation
|
||||||
|
# gives unlimited permission to copy and/or distribute it,
|
||||||
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# with or without modifications, as long as this notice is preserved.
|
||||||
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|
||||||
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# serial 8
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||||||
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||||||
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# There are a few dirty hacks below to avoid letting `AC_PROG_CC' be
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||||||
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# written in clear, in which case automake, when reading aclocal.m4,
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# will think it sees a *use*, and therefore will trigger all it's
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# C support machinery. Also note that it means that autoscan, seeing
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# CC etc. in the Makefile, will ask for an AC_PROG_CC use...
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# _AM_DEPENDENCIES(NAME)
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# ----------------------
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||||||
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# See how the compiler implements dependency checking.
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||||||
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# NAME is "CC", "CXX", "GCJ", or "OBJC".
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# We try a few techniques and use that to set a single cache variable.
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#
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# We don't AC_REQUIRE the corresponding AC_PROG_CC since the latter was
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# modified to invoke _AM_DEPENDENCIES(CC); we would have a circular
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||||||
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# dependency, and given that the user is not expected to run this macro,
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# just rely on AC_PROG_CC.
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||||||
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AC_DEFUN([_AM_DEPENDENCIES],
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||||||
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[AC_REQUIRE([AM_SET_DEPDIR])dnl
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AC_REQUIRE([AM_OUTPUT_DEPENDENCY_COMMANDS])dnl
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AC_REQUIRE([AM_MAKE_INCLUDE])dnl
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AC_REQUIRE([AM_DEP_TRACK])dnl
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ifelse([$1], CC, [depcc="$CC" am_compiler_list=],
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[$1], CXX, [depcc="$CXX" am_compiler_list=],
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[$1], OBJC, [depcc="$OBJC" am_compiler_list='gcc3 gcc'],
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[$1], GCJ, [depcc="$GCJ" am_compiler_list='gcc3 gcc'],
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[depcc="$$1" am_compiler_list=])
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AC_CACHE_CHECK([dependency style of $depcc],
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[am_cv_$1_dependencies_compiler_type],
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[if test -z "$AMDEP_TRUE" && test -f "$am_depcomp"; then
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# We make a subdir and do the tests there. Otherwise we can end up
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||||||
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# making bogus files that we don't know about and never remove. For
|
||||||
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# instance it was reported that on HP-UX the gcc test will end up
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||||||
|
# making a dummy file named `D' -- because `-MD' means `put the output
|
||||||
|
# in D'.
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||||||
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mkdir conftest.dir
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||||||
|
# Copy depcomp to subdir because otherwise we won't find it if we're
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||||||
|
# using a relative directory.
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||||||
|
cp "$am_depcomp" conftest.dir
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||||||
|
cd conftest.dir
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||||||
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# We will build objects and dependencies in a subdirectory because
|
||||||
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# it helps to detect inapplicable dependency modes. For instance
|
||||||
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# both Tru64's cc and ICC support -MD to output dependencies as a
|
||||||
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# side effect of compilation, but ICC will put the dependencies in
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||||||
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# the current directory while Tru64 will put them in the object
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||||||
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# directory.
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||||||
|
mkdir sub
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||||||
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||||||
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am_cv_$1_dependencies_compiler_type=none
|
||||||
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if test "$am_compiler_list" = ""; then
|
||||||
|
am_compiler_list=`sed -n ['s/^#*\([a-zA-Z0-9]*\))$/\1/p'] < ./depcomp`
|
||||||
|
fi
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||||||
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for depmode in $am_compiler_list; do
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||||||
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# Setup a source with many dependencies, because some compilers
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||||||
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# like to wrap large dependency lists on column 80 (with \), and
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||||||
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# we should not choose a depcomp mode which is confused by this.
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#
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||||||
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# We need to recreate these files for each test, as the compiler may
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||||||
|
# overwrite some of them when testing with obscure command lines.
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||||||
|
# This happens at least with the AIX C compiler.
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||||||
|
: > sub/conftest.c
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for i in 1 2 3 4 5 6; do
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echo '#include "conftst'$i'.h"' >> sub/conftest.c
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# Using `: > sub/conftst$i.h' creates only sub/conftst1.h with
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# Solaris 8's {/usr,}/bin/sh.
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touch sub/conftst$i.h
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done
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echo "${am__include} ${am__quote}sub/conftest.Po${am__quote}" > confmf
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case $depmode in
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nosideeffect)
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# after this tag, mechanisms are not by side-effect, so they'll
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# only be used when explicitly requested
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if test "x$enable_dependency_tracking" = xyes; then
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continue
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else
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break
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fi
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;;
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|
none) break ;;
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esac
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# We check with `-c' and `-o' for the sake of the "dashmstdout"
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# mode. It turns out that the SunPro C++ compiler does not properly
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# handle `-M -o', and we need to detect this.
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|
if depmode=$depmode \
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source=sub/conftest.c object=sub/conftest.${OBJEXT-o} \
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depfile=sub/conftest.Po tmpdepfile=sub/conftest.TPo \
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$SHELL ./depcomp $depcc -c -o sub/conftest.${OBJEXT-o} sub/conftest.c \
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||||||
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>/dev/null 2>conftest.err &&
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grep sub/conftst6.h sub/conftest.Po > /dev/null 2>&1 &&
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|
grep sub/conftest.${OBJEXT-o} sub/conftest.Po > /dev/null 2>&1 &&
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${MAKE-make} -s -f confmf > /dev/null 2>&1; then
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||||||
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# icc doesn't choke on unknown options, it will just issue warnings
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||||||
|
# or remarks (even with -Werror). So we grep stderr for any message
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||||||
|
# that says an option was ignored or not supported.
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||||||
|
# When given -MP, icc 7.0 and 7.1 complain thusly:
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|
# icc: Command line warning: ignoring option '-M'; no argument required
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# The diagnosis changed in icc 8.0:
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||||||
|
# icc: Command line remark: option '-MP' not supported
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||||||
|
if (grep 'ignoring option' conftest.err ||
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||||||
|
grep 'not supported' conftest.err) >/dev/null 2>&1; then :; else
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|
am_cv_$1_dependencies_compiler_type=$depmode
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||||||
|
break
|
||||||
|
fi
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|
fi
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||||||
|
done
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|
cd ..
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|
rm -rf conftest.dir
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|
else
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am_cv_$1_dependencies_compiler_type=none
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|
fi
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])
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AC_SUBST([$1DEPMODE], [depmode=$am_cv_$1_dependencies_compiler_type])
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AM_CONDITIONAL([am__fastdep$1], [
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test "x$enable_dependency_tracking" != xno \
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&& test "$am_cv_$1_dependencies_compiler_type" = gcc3])
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])
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# AM_SET_DEPDIR
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# -------------
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# Choose a directory name for dependency files.
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# This macro is AC_REQUIREd in _AM_DEPENDENCIES
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AC_DEFUN([AM_SET_DEPDIR],
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[AC_REQUIRE([AM_SET_LEADING_DOT])dnl
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AC_SUBST([DEPDIR], ["${am__leading_dot}deps"])dnl
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])
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# AM_DEP_TRACK
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# ------------
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AC_DEFUN([AM_DEP_TRACK],
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[AC_ARG_ENABLE(dependency-tracking,
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[ --disable-dependency-tracking speeds up one-time build
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--enable-dependency-tracking do not reject slow dependency extractors])
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if test "x$enable_dependency_tracking" != xno; then
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am_depcomp="$ac_aux_dir/depcomp"
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AMDEPBACKSLASH='\'
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fi
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AM_CONDITIONAL([AMDEP], [test "x$enable_dependency_tracking" != xno])
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AC_SUBST([AMDEPBACKSLASH])
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])
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# Generate code to set up dependency tracking. -*- Autoconf -*-
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# Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005
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# Free Software Foundation, Inc.
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#
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# This file is free software; the Free Software Foundation
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# gives unlimited permission to copy and/or distribute it,
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# with or without modifications, as long as this notice is preserved.
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#serial 3
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# _AM_OUTPUT_DEPENDENCY_COMMANDS
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# ------------------------------
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AC_DEFUN([_AM_OUTPUT_DEPENDENCY_COMMANDS],
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[for mf in $CONFIG_FILES; do
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mf=`echo "$mf" | sed -e 's/:.*$//'`
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# Check whether this is an Automake generated Makefile or not.
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# We used to match only the files named `Makefile.in', but
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# some people rename them; so instead we look at the file content.
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# Grep'ing the first line is not enough: some people post-process
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# each Makefile.in and add a new line on top of each file to say so.
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# So let's grep whole file.
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if grep '^#.*generated by automake' $mf > /dev/null 2>&1; then
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dirpart=`AS_DIRNAME("$mf")`
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else
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continue
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fi
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# Extract the definition of DEPDIR, am__include, and am__quote
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# from the Makefile without running `make'.
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||||||
|
DEPDIR=`sed -n 's/^DEPDIR = //p' < "$mf"`
|
||||||
|
test -z "$DEPDIR" && continue
|
||||||
|
am__include=`sed -n 's/^am__include = //p' < "$mf"`
|
||||||
|
test -z "am__include" && continue
|
||||||
|
am__quote=`sed -n 's/^am__quote = //p' < "$mf"`
|
||||||
|
# When using ansi2knr, U may be empty or an underscore; expand it
|
||||||
|
U=`sed -n 's/^U = //p' < "$mf"`
|
||||||
|
# Find all dependency output files, they are included files with
|
||||||
|
# $(DEPDIR) in their names. We invoke sed twice because it is the
|
||||||
|
# simplest approach to changing $(DEPDIR) to its actual value in the
|
||||||
|
# expansion.
|
||||||
|
for file in `sed -n "
|
||||||
|
s/^$am__include $am__quote\(.*(DEPDIR).*\)$am__quote"'$/\1/p' <"$mf" | \
|
||||||
|
sed -e 's/\$(DEPDIR)/'"$DEPDIR"'/g' -e 's/\$U/'"$U"'/g'`; do
|
||||||
|
# Make sure the directory exists.
|
||||||
|
test -f "$dirpart/$file" && continue
|
||||||
|
fdir=`AS_DIRNAME(["$file"])`
|
||||||
|
AS_MKDIR_P([$dirpart/$fdir])
|
||||||
|
# echo "creating $dirpart/$file"
|
||||||
|
echo '# dummy' > "$dirpart/$file"
|
||||||
|
done
|
||||||
|
done
|
||||||
|
])# _AM_OUTPUT_DEPENDENCY_COMMANDS
|
||||||
|
|
||||||
|
|
||||||
|
# AM_OUTPUT_DEPENDENCY_COMMANDS
|
||||||
|
# -----------------------------
|
||||||
|
# This macro should only be invoked once -- use via AC_REQUIRE.
|
||||||
|
#
|
||||||
|
# This code is only required when automatic dependency tracking
|
||||||
|
# is enabled. FIXME. This creates each `.P' file that we will
|
||||||
|
# need in order to bootstrap the dependency handling code.
|
||||||
|
AC_DEFUN([AM_OUTPUT_DEPENDENCY_COMMANDS],
|
||||||
|
[AC_CONFIG_COMMANDS([depfiles],
|
||||||
|
[test x"$AMDEP_TRUE" != x"" || _AM_OUTPUT_DEPENDENCY_COMMANDS],
|
||||||
|
[AMDEP_TRUE="$AMDEP_TRUE" ac_aux_dir="$ac_aux_dir"])
|
||||||
|
])
|
||||||
|
|
||||||
|
# Copyright (C) 2003, 2005 Free Software Foundation, Inc.
|
||||||
|
#
|
||||||
|
# This file is free software; the Free Software Foundation
|
||||||
|
# gives unlimited permission to copy and/or distribute it,
|
||||||
|
# with or without modifications, as long as this notice is preserved.
|
||||||
|
|
||||||
|
# serial 2
|
||||||
|
|
||||||
|
# Check whether the underlying file-system supports filenames
|
||||||
|
# with a leading dot. For instance MS-DOS doesn't.
|
||||||
|
AC_DEFUN([AM_SET_LEADING_DOT],
|
||||||
|
[rm -rf .tst 2>/dev/null
|
||||||
|
mkdir .tst 2>/dev/null
|
||||||
|
if test -d .tst; then
|
||||||
|
am__leading_dot=.
|
||||||
|
else
|
||||||
|
am__leading_dot=_
|
||||||
|
fi
|
||||||
|
rmdir .tst 2>/dev/null
|
||||||
|
AC_SUBST([am__leading_dot])])
|
||||||
|
|
||||||
|
# Check to see how 'make' treats includes. -*- Autoconf -*-
|
||||||
|
|
||||||
|
# Copyright (C) 2001, 2002, 2003, 2005 Free Software Foundation, Inc.
|
||||||
|
#
|
||||||
|
# This file is free software; the Free Software Foundation
|
||||||
|
# gives unlimited permission to copy and/or distribute it,
|
||||||
|
# with or without modifications, as long as this notice is preserved.
|
||||||
|
|
||||||
|
# serial 3
|
||||||
|
|
||||||
|
# AM_MAKE_INCLUDE()
|
||||||
|
# -----------------
|
||||||
|
# Check to see how make treats includes.
|
||||||
|
AC_DEFUN([AM_MAKE_INCLUDE],
|
||||||
|
[am_make=${MAKE-make}
|
||||||
|
cat > confinc << 'END'
|
||||||
|
am__doit:
|
||||||
|
@echo done
|
||||||
|
.PHONY: am__doit
|
||||||
|
END
|
||||||
|
# If we don't find an include directive, just comment out the code.
|
||||||
|
AC_MSG_CHECKING([for style of include used by $am_make])
|
||||||
|
am__include="#"
|
||||||
|
am__quote=
|
||||||
|
_am_result=none
|
||||||
|
# First try GNU make style include.
|
||||||
|
echo "include confinc" > confmf
|
||||||
|
# We grep out `Entering directory' and `Leaving directory'
|
||||||
|
# messages which can occur if `w' ends up in MAKEFLAGS.
|
||||||
|
# In particular we don't look at `^make:' because GNU make might
|
||||||
|
# be invoked under some other name (usually "gmake"), in which
|
||||||
|
# case it prints its new name instead of `make'.
|
||||||
|
if test "`$am_make -s -f confmf 2> /dev/null | grep -v 'ing directory'`" = "done"; then
|
||||||
|
am__include=include
|
||||||
|
am__quote=
|
||||||
|
_am_result=GNU
|
||||||
|
fi
|
||||||
|
# Now try BSD make style include.
|
||||||
|
if test "$am__include" = "#"; then
|
||||||
|
echo '.include "confinc"' > confmf
|
||||||
|
if test "`$am_make -s -f confmf 2> /dev/null`" = "done"; then
|
||||||
|
am__include=.include
|
||||||
|
am__quote="\""
|
||||||
|
_am_result=BSD
|
||||||
|
fi
|
||||||
|
fi
|
||||||
|
AC_SUBST([am__include])
|
||||||
|
AC_SUBST([am__quote])
|
||||||
|
AC_MSG_RESULT([$_am_result])
|
||||||
|
rm -f confinc confmf
|
||||||
|
])
|
||||||
|
|
||||||
|
m4_include([../acinclude.m4])
|
||||||
File diff suppressed because it is too large
Load Diff
|
|
@ -0,0 +1,54 @@
|
||||||
|
dnl Process this file with autoconf to produce a configure script.
|
||||||
|
AC_PREREQ(2.59)
|
||||||
|
AC_INIT(crt0.S)
|
||||||
|
|
||||||
|
if test "${enable_shared}" = "yes" ; then
|
||||||
|
echo "Shared libraries not supported for cross compiling, ignored"
|
||||||
|
fi
|
||||||
|
|
||||||
|
if test "$srcdir" = "." ; then
|
||||||
|
if test "${with_target_subdir}" != "." ; then
|
||||||
|
libgloss_topdir="${srcdir}/${with_multisrctop}../../.."
|
||||||
|
else
|
||||||
|
libgloss_topdir="${srcdir}/${with_multisrctop}../.."
|
||||||
|
fi
|
||||||
|
else
|
||||||
|
libgloss_topdir="${srcdir}/../.."
|
||||||
|
fi
|
||||||
|
AC_CONFIG_AUX_DIR($libgloss_topdir)
|
||||||
|
|
||||||
|
AC_CANONICAL_SYSTEM
|
||||||
|
AC_ARG_PROGRAM
|
||||||
|
|
||||||
|
AC_PROG_INSTALL
|
||||||
|
|
||||||
|
LIB_AC_PROG_CC
|
||||||
|
AS=${AS-as}
|
||||||
|
AC_SUBST(AS)
|
||||||
|
AR=${AR-ar}
|
||||||
|
AC_SUBST(AR)
|
||||||
|
LD=${LD-ld}
|
||||||
|
AC_SUBST(LD)
|
||||||
|
AC_PROG_RANLIB
|
||||||
|
LIB_AM_PROG_AS
|
||||||
|
|
||||||
|
host_makefile_frag=${srcdir}/../config/default.mh
|
||||||
|
|
||||||
|
dnl We have to assign the same value to other variables because autoconf
|
||||||
|
dnl doesn't provide a mechanism to substitute a replacement keyword with
|
||||||
|
dnl arbitrary data or pathnames.
|
||||||
|
dnl
|
||||||
|
host_makefile_frag_path=$host_makefile_frag
|
||||||
|
AC_SUBST(host_makefile_frag_path)
|
||||||
|
AC_SUBST_FILE(host_makefile_frag)
|
||||||
|
|
||||||
|
AC_CONFIG_FILES(Makefile,
|
||||||
|
. ${libgloss_topdir}/config-ml.in,
|
||||||
|
srcdir=${srcdir}
|
||||||
|
target=${target}
|
||||||
|
with_multisubdir=${with_multisubdir}
|
||||||
|
ac_configure_args="${ac_configure_args} --enable-multilib"
|
||||||
|
CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}
|
||||||
|
libgloss_topdir=${libgloss_topdir}
|
||||||
|
)
|
||||||
|
AC_OUTPUT
|
||||||
|
|
@ -0,0 +1,72 @@
|
||||||
|
/*
|
||||||
|
* crt0.S for the Blackfin processor
|
||||||
|
*
|
||||||
|
* Copyright (C) 2006 Analog Devices, Inc.
|
||||||
|
*
|
||||||
|
* The authors hereby grant permission to use, copy, modify, distribute,
|
||||||
|
* and license this software and its documentation for any purpose, provided
|
||||||
|
* that existing copyright notices are retained in all copies and that this
|
||||||
|
* notice is included verbatim in any distributions. No written agreement,
|
||||||
|
* license, or royalty fee is required for any of the authorized uses.
|
||||||
|
* Modifications to this software may be copyrighted by their authors
|
||||||
|
* and need not follow the licensing terms described here, provided that
|
||||||
|
* the new terms are clearly indicated on the first page of each file where
|
||||||
|
* they apply.
|
||||||
|
*/
|
||||||
|
|
||||||
|
.text
|
||||||
|
.align 2
|
||||||
|
|
||||||
|
.global __start
|
||||||
|
__start:
|
||||||
|
|
||||||
|
/* Start by setting up a stack */
|
||||||
|
link 0xc;
|
||||||
|
/* Zero the memory in the .bss section. */
|
||||||
|
|
||||||
|
p0.l = __edata;
|
||||||
|
p0.h = __edata;
|
||||||
|
p1.l = __end;
|
||||||
|
p1.h = __end;
|
||||||
|
p1 -= p0;
|
||||||
|
r0 = 0;
|
||||||
|
lsetup (L$L$clear_bss, L$L$clear_bss) lc0 = p1;
|
||||||
|
L$L$clear_bss:
|
||||||
|
B [p0++] = r0;
|
||||||
|
|
||||||
|
#ifdef __BFIN_FDPIC__
|
||||||
|
/* Set up GOT pointer. */
|
||||||
|
P0.L = __ROFIXUP_END__;
|
||||||
|
P0.H = __ROFIXUP_END__;
|
||||||
|
P4 = [P0 - 4];
|
||||||
|
#endif
|
||||||
|
|
||||||
|
/* Need to set up standard file handles */
|
||||||
|
/* Parse string at r1 */
|
||||||
|
|
||||||
|
p0.l = __init;
|
||||||
|
p0.h = __init;
|
||||||
|
P3 = P4;
|
||||||
|
call (p0)
|
||||||
|
|
||||||
|
p0.l = _atexit;
|
||||||
|
p0.h = _atexit;
|
||||||
|
#ifdef __BFIN_FDPIC__
|
||||||
|
r0 = [P4 + __fini@FUNCDESC_GOT17M4] ;
|
||||||
|
P3 = P4;
|
||||||
|
#else
|
||||||
|
r0.l = __fini;
|
||||||
|
r0.h = __fini;
|
||||||
|
#endif
|
||||||
|
call (p0)
|
||||||
|
|
||||||
|
p0.l = ___setup_argv_and_call_main;
|
||||||
|
p0.h = ___setup_argv_and_call_main;
|
||||||
|
P3 = P4;
|
||||||
|
call (p0)
|
||||||
|
|
||||||
|
p0.l = _exit;
|
||||||
|
p0.h = _exit;
|
||||||
|
P3 = P4;
|
||||||
|
jump (p0) /* Should not return. */
|
||||||
|
nop;
|
||||||
|
|
@ -0,0 +1,264 @@
|
||||||
|
/*
|
||||||
|
* C library support files for the Blackfin processor
|
||||||
|
*
|
||||||
|
* Copyright (C) 2006 Analog Devices, Inc.
|
||||||
|
*
|
||||||
|
* The authors hereby grant permission to use, copy, modify, distribute,
|
||||||
|
* and license this software and its documentation for any purpose, provided
|
||||||
|
* that existing copyright notices are retained in all copies and that this
|
||||||
|
* notice is included verbatim in any distributions. No written agreement,
|
||||||
|
* license, or royalty fee is required for any of the authorized uses.
|
||||||
|
* Modifications to this software may be copyrighted by their authors
|
||||||
|
* and need not follow the licensing terms described here, provided that
|
||||||
|
* the new terms are clearly indicated on the first page of each file where
|
||||||
|
* they apply.
|
||||||
|
*/
|
||||||
|
|
||||||
|
#include <_ansi.h>
|
||||||
|
#include <sys/types.h>
|
||||||
|
#include <sys/stat.h>
|
||||||
|
#include <sys/fcntl.h>
|
||||||
|
#include <stdio.h>
|
||||||
|
#include <time.h>
|
||||||
|
#include <sys/time.h>
|
||||||
|
#include <sys/times.h>
|
||||||
|
#include "syscall.h"
|
||||||
|
#include <errno.h>
|
||||||
|
#include <reent.h>
|
||||||
|
#include <unistd.h>
|
||||||
|
|
||||||
|
register char *stack_ptr asm ("SP");
|
||||||
|
|
||||||
|
static inline int
|
||||||
|
do_syscall (int reason, void *arg)
|
||||||
|
{
|
||||||
|
int result;
|
||||||
|
asm volatile ("[--sp] = %1; [--sp] = %2; \
|
||||||
|
r1 = [sp++]; r0 = [sp++]; \
|
||||||
|
raise 0; %0 = r0;"
|
||||||
|
: "=r" (result)
|
||||||
|
: "r" (reason), "r" (arg)
|
||||||
|
: "R0", "R1", "memory", "cc");
|
||||||
|
return result;
|
||||||
|
}
|
||||||
|
|
||||||
|
int
|
||||||
|
_read (int file, char *ptr, int len)
|
||||||
|
{
|
||||||
|
int block[3];
|
||||||
|
|
||||||
|
block[0] = file;
|
||||||
|
block[1] = (int) ptr;
|
||||||
|
block[2] = len;
|
||||||
|
|
||||||
|
return do_syscall (SYS_read, block);
|
||||||
|
}
|
||||||
|
|
||||||
|
int
|
||||||
|
_lseek (int file, int ptr, int dir)
|
||||||
|
{
|
||||||
|
int block[2];
|
||||||
|
|
||||||
|
block[0] = file;
|
||||||
|
block[1] = ptr;
|
||||||
|
|
||||||
|
return do_syscall (SYS_lseek, block);
|
||||||
|
}
|
||||||
|
|
||||||
|
int
|
||||||
|
_write (int file, char *ptr, int len)
|
||||||
|
{
|
||||||
|
int block[3];
|
||||||
|
|
||||||
|
block[0] = file;
|
||||||
|
block[1] = (int) ptr;
|
||||||
|
block[2] = len;
|
||||||
|
|
||||||
|
return do_syscall (SYS_write, block);
|
||||||
|
}
|
||||||
|
|
||||||
|
int
|
||||||
|
_open (const char *path, int flags)
|
||||||
|
{
|
||||||
|
int block[2];
|
||||||
|
|
||||||
|
block[0] = (int) path;
|
||||||
|
block[1] = flags;
|
||||||
|
|
||||||
|
return do_syscall (SYS_open, block);
|
||||||
|
}
|
||||||
|
|
||||||
|
int
|
||||||
|
_close (int file)
|
||||||
|
{
|
||||||
|
return do_syscall (SYS_close, &file);
|
||||||
|
}
|
||||||
|
|
||||||
|
void
|
||||||
|
_exit (int n)
|
||||||
|
{
|
||||||
|
do_syscall (SYS_exit, &n);
|
||||||
|
}
|
||||||
|
|
||||||
|
int
|
||||||
|
_kill (int n, int m)
|
||||||
|
{
|
||||||
|
int block[2];
|
||||||
|
|
||||||
|
block[0] = n;
|
||||||
|
block[1] = m;
|
||||||
|
|
||||||
|
return do_syscall (SYS_kill, block);
|
||||||
|
}
|
||||||
|
|
||||||
|
int
|
||||||
|
_getpid (int n)
|
||||||
|
{
|
||||||
|
return 1;
|
||||||
|
}
|
||||||
|
|
||||||
|
caddr_t
|
||||||
|
_sbrk (int incr)
|
||||||
|
{
|
||||||
|
extern char end; /* Defined by the linker. */
|
||||||
|
static char *heap_end;
|
||||||
|
char *prev_heap_end;
|
||||||
|
|
||||||
|
if (heap_end == NULL)
|
||||||
|
heap_end = &end;
|
||||||
|
|
||||||
|
prev_heap_end = heap_end;
|
||||||
|
|
||||||
|
if (heap_end + incr > stack_ptr)
|
||||||
|
{
|
||||||
|
/* Some of the libstdc++-v3 tests rely upon detecting
|
||||||
|
out of memory errors, so do not abort here. */
|
||||||
|
#if 0
|
||||||
|
extern void abort (void);
|
||||||
|
|
||||||
|
_write (1, "_sbrk: Heap and stack collision\n", 32);
|
||||||
|
|
||||||
|
abort ();
|
||||||
|
#else
|
||||||
|
errno = ENOMEM;
|
||||||
|
return (caddr_t) -1;
|
||||||
|
#endif
|
||||||
|
}
|
||||||
|
|
||||||
|
heap_end += incr;
|
||||||
|
|
||||||
|
return (caddr_t) prev_heap_end;
|
||||||
|
}
|
||||||
|
|
||||||
|
extern void memset (struct stat *, int, unsigned int);
|
||||||
|
|
||||||
|
int
|
||||||
|
_fstat (int file, struct stat * st)
|
||||||
|
{
|
||||||
|
memset (st, 0, sizeof (* st));
|
||||||
|
st->st_mode = S_IFCHR;
|
||||||
|
st->st_blksize = 1024;
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
int _stat (const char *fname, struct stat *st)
|
||||||
|
{
|
||||||
|
int file;
|
||||||
|
|
||||||
|
/* The best we can do is try to open the file readonly. If it exists,
|
||||||
|
then we can guess a few things about it. */
|
||||||
|
if ((file = _open (fname, O_RDONLY)) < 0)
|
||||||
|
return -1;
|
||||||
|
|
||||||
|
memset (st, 0, sizeof (* st));
|
||||||
|
st->st_mode = S_IFREG | S_IREAD;
|
||||||
|
st->st_blksize = 1024;
|
||||||
|
_close (file); /* Not interested in the error. */
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
int
|
||||||
|
_link (void)
|
||||||
|
{
|
||||||
|
return -1;
|
||||||
|
}
|
||||||
|
|
||||||
|
int
|
||||||
|
_unlink (void)
|
||||||
|
{
|
||||||
|
return -1;
|
||||||
|
}
|
||||||
|
|
||||||
|
void
|
||||||
|
_raise (void)
|
||||||
|
{
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
int
|
||||||
|
_gettimeofday (struct timeval *tv, struct timezone *tz)
|
||||||
|
{
|
||||||
|
tv->tv_usec = 0;
|
||||||
|
tv->tv_sec = do_syscall (SYS_time, 0);
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Return a clock that ticks at 100Hz. */
|
||||||
|
clock_t
|
||||||
|
_times (struct tms * tp)
|
||||||
|
{
|
||||||
|
return -1;
|
||||||
|
}
|
||||||
|
|
||||||
|
int
|
||||||
|
isatty (int fd)
|
||||||
|
{
|
||||||
|
return 1;
|
||||||
|
}
|
||||||
|
|
||||||
|
int
|
||||||
|
_system (const char *s)
|
||||||
|
{
|
||||||
|
if (s == NULL)
|
||||||
|
return 0;
|
||||||
|
errno = ENOSYS;
|
||||||
|
return -1;
|
||||||
|
}
|
||||||
|
|
||||||
|
int
|
||||||
|
_rename (const char * oldpath, const char * newpath)
|
||||||
|
{
|
||||||
|
errno = ENOSYS;
|
||||||
|
return -1;
|
||||||
|
}
|
||||||
|
|
||||||
|
static inline int
|
||||||
|
__setup_argv_for_main (int argc)
|
||||||
|
{
|
||||||
|
int block[2];
|
||||||
|
char **argv;
|
||||||
|
int i = argc;
|
||||||
|
|
||||||
|
argv = __builtin_alloca ((1 + argc) * sizeof (*argv));
|
||||||
|
|
||||||
|
argv[i] = NULL;
|
||||||
|
while (i--) {
|
||||||
|
block[0] = i;
|
||||||
|
argv[i] = __builtin_alloca (1 + do_syscall (SYS_argnlen, (void *)block));
|
||||||
|
block[1] = (int) argv[i];
|
||||||
|
do_syscall (SYS_argn, (void *)block);
|
||||||
|
}
|
||||||
|
|
||||||
|
return main (argc, argv);
|
||||||
|
}
|
||||||
|
|
||||||
|
int
|
||||||
|
__setup_argv_and_call_main ()
|
||||||
|
{
|
||||||
|
int argc = do_syscall (SYS_argc, 0);
|
||||||
|
|
||||||
|
if (argc <= 0)
|
||||||
|
return main (argc, NULL);
|
||||||
|
else
|
||||||
|
return __setup_argv_for_main (argc);
|
||||||
|
}
|
||||||
|
|
@ -286,6 +286,7 @@ ac_subdirs_all="$ac_subdirs_all mips"
|
||||||
ac_subdirs_all="$ac_subdirs_all rs6000"
|
ac_subdirs_all="$ac_subdirs_all rs6000"
|
||||||
ac_subdirs_all="$ac_subdirs_all mn10200"
|
ac_subdirs_all="$ac_subdirs_all mn10200"
|
||||||
ac_subdirs_all="$ac_subdirs_all mn10300"
|
ac_subdirs_all="$ac_subdirs_all mn10300"
|
||||||
|
ac_subdirs_all="$ac_subdirs_all bfin"
|
||||||
ac_subdirs_all="$ac_subdirs_all cris"
|
ac_subdirs_all="$ac_subdirs_all cris"
|
||||||
ac_subdirs_all="$ac_subdirs_all crx"
|
ac_subdirs_all="$ac_subdirs_all crx"
|
||||||
ac_subdirs_all="$ac_subdirs_all d30v"
|
ac_subdirs_all="$ac_subdirs_all d30v"
|
||||||
|
|
@ -1906,6 +1907,13 @@ subdirs="$subdirs mn10200"
|
||||||
|
|
||||||
subdirs="$subdirs mn10300"
|
subdirs="$subdirs mn10300"
|
||||||
|
|
||||||
|
config_testsuite = true;
|
||||||
|
;;
|
||||||
|
bfin-*-*)
|
||||||
|
|
||||||
|
|
||||||
|
subdirs="$subdirs bfin"
|
||||||
|
|
||||||
config_testsuite = true;
|
config_testsuite = true;
|
||||||
;;
|
;;
|
||||||
cris-*-* | crisv32-*-*)
|
cris-*-* | crisv32-*-*)
|
||||||
|
|
|
||||||
|
|
@ -77,6 +77,10 @@ case "${target}" in
|
||||||
AC_CONFIG_SUBDIRS(mn10300)
|
AC_CONFIG_SUBDIRS(mn10300)
|
||||||
config_testsuite = true;
|
config_testsuite = true;
|
||||||
;;
|
;;
|
||||||
|
bfin-*-*)
|
||||||
|
AC_CONFIG_SUBDIRS(bfin)
|
||||||
|
config_testsuite = true;
|
||||||
|
;;
|
||||||
cris-*-* | crisv32-*-*)
|
cris-*-* | crisv32-*-*)
|
||||||
AC_CONFIG_SUBDIRS(cris)
|
AC_CONFIG_SUBDIRS(cris)
|
||||||
config_testsuite = true;
|
config_testsuite = true;
|
||||||
|
|
|
||||||
|
|
@ -46,4 +46,9 @@
|
||||||
#define SYS_gettimeofday 19
|
#define SYS_gettimeofday 19
|
||||||
#define SYS_times 20
|
#define SYS_times 20
|
||||||
#define SYS_link 21
|
#define SYS_link 21
|
||||||
|
|
||||||
|
/* New ARGV support. */
|
||||||
|
#define SYS_argc 22
|
||||||
|
#define SYS_argnlen 23
|
||||||
|
#define SYS_argn 24
|
||||||
#endif
|
#endif
|
||||||
|
|
|
||||||
Loading…
Reference in New Issue