# Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, # 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 # 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 # the Free Software Foundation; either version 3 of the License, 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 GNU # General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program; see the file COPYING3. If not see # <http://www.gnu.org/licenses/>. ############################################################################## ### WARNING: this file contains embedded tabs. Do not run untabify on this file. m4_include(config/acx.m4) m4_include(config/override.m4) m4_include(config/proginstall.m4) m4_include(config/elf.m4) m4_include([libtool.m4]) m4_include([ltoptions.m4]) m4_include([ltsugar.m4]) m4_include([ltversion.m4]) m4_include([lt~obsolete.m4]) m4_include([config/cloog.m4]) AC_INIT(move-if-change) AC_PREREQ(2.64) AC_DISABLE_OPTION_CHECKING progname=$0 # if PWD already has a value, it is probably wrong. if test -n "$PWD" ; then PWD=`${PWDCMD-pwd}`; fi # Export original configure arguments for use by sub-configures. # Quote arguments with shell meta charatcers. TOPLEVEL_CONFIGURE_ARGUMENTS= set -- "$progname" "$@" for ac_arg do case "$ac_arg" in *" "*|*" "*|*[[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?\']]*) ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` # if the argument is of the form -foo=baz, quote the baz part only ac_arg=`echo "'$ac_arg'" | sed "s/^'\([[-a-zA-Z0-9]]*=\)/\\1'/"` ;; *) ;; esac # Add the quoted argument to the list. 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Then put it into the appropriate list ### (library or tools, host or target), doing a dependency sort. # Subdirs will be configured in the order listed in build_configdirs, # configdirs, or target_configdirs; see the serialization section below. # Dependency sorting is only needed when *configuration* must be done in # a particular order. 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no) # Make sure we get it printed in the list of not supported target libs. # Don't disable libffi, though, other languages use it. noconfigdirs="$noconfigdirs `echo ${libgcj} | sed -e 's/target-libffi//'`" # Clear libgcj_saved so that even if java is enabled libffi won't be # built. libgcj_saved= ;; esac AC_ARG_ENABLE(static-libjava, [AS_HELP_STRING([[--enable-static-libjava[=ARG]]], [build static libjava @<:@default=no@:>@])], ENABLE_STATIC_LIBJAVA=$enableval, ENABLE_STATIC_LIBJAVA=no) enable_static_libjava= if test "${ENABLE_STATIC_LIBJAVA}" = "yes" ; then enable_static_libjava=yes fi if test x$enable_static_libjava != xyes ; then EXTRA_CONFIGARGS_LIBJAVA=--disable-static fi AC_SUBST(EXTRA_CONFIGARGS_LIBJAVA) # Disable libmudflap on some systems. if test x$enable_libmudflap = x ; then case "${target}" in *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | bfin*-*-uclinux* | *-*-kopensolaris*-gnu) # Enable libmudflap by default in GNU and friends. ;; *-*-freebsd*) # Enable libmudflap by default in FreeBSD. ;; 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powerpc-*-aix*) host_makefile_frag="config/mh-ppc-aix" ;; rs6000-*-aix*) host_makefile_frag="config/mh-ppc-aix" ;; esac fi if test "${build}" != "${host}" ; then AR_FOR_BUILD=${AR_FOR_BUILD-ar} AS_FOR_BUILD=${AS_FOR_BUILD-as} CC_FOR_BUILD=${CC_FOR_BUILD-gcc} CXX_FOR_BUILD=${CXX_FOR_BUILD-g++} GCJ_FOR_BUILD=${GCJ_FOR_BUILD-gcj} GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran} GOC_FOR_BUILD=${GOC_FOR_BUILD-gccgo} DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool} LD_FOR_BUILD=${LD_FOR_BUILD-ld} NM_FOR_BUILD=${NM_FOR_BUILD-nm} RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib} WINDRES_FOR_BUILD=${WINDRES_FOR_BUILD-windres} WINDMC_FOR_BUILD=${WINDMC_FOR_BUILD-windmc} else AR_FOR_BUILD="\$(AR)" AS_FOR_BUILD="\$(AS)" CC_FOR_BUILD="\$(CC)" CXX_FOR_BUILD="\$(CXX)" GCJ_FOR_BUILD="\$(GCJ)" GFORTRAN_FOR_BUILD="\$(GFORTRAN)" GOC_FOR_BUILD="\$(GOC)" DLLTOOL_FOR_BUILD="\$(DLLTOOL)" LD_FOR_BUILD="\$(LD)" NM_FOR_BUILD="\$(NM)" RANLIB_FOR_BUILD="\$(RANLIB)" WINDRES_FOR_BUILD="\$(WINDRES)" WINDMC_FOR_BUILD="\$(WINDMC)" fi AC_PROG_CC AC_PROG_CXX # We must set the default linker to the linker used by gcc for the correct # operation of libtool. If LD is not defined and we are using gcc, try to # set the LD default to the ld used by gcc. if test -z "$LD"; then if test "$GCC" = yes; then case $build in *-*-mingw*) gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;; *) gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;; esac case $gcc_prog_ld in # Accept absolute paths. [[\\/]* | [A-Za-z]:[\\/]*)] LD="$gcc_prog_ld" ;; esac fi fi ACX_PROG_GNAT ACX_PROG_CMP_IGNORE_INITIAL AC_ARG_ENABLE([bootstrap], [AS_HELP_STRING([--enable-bootstrap], [enable bootstrapping @<:@yes if native build@:>@])],, enable_bootstrap=default) # Issue errors and warnings for invalid/strange bootstrap combinations. if test -r $srcdir/gcc/configure; then have_compiler=yes else have_compiler=no fi case "$have_compiler:$host:$target:$enable_bootstrap" in *:*:*:no) ;; # Default behavior. Enable bootstrap if we have a compiler # and we are in a native configuration. yes:$build:$build:default) enable_bootstrap=yes ;; *:*:*:default) enable_bootstrap=no ;; # We have a compiler and we are in a native configuration, bootstrap is ok yes:$build:$build:yes) ;; # Other configurations, but we have a compiler. Assume the user knows # what he's doing. yes:*:*:yes) AC_MSG_WARN([trying to bootstrap a cross compiler]) ;; # No compiler: if they passed --enable-bootstrap explicitly, fail no:*:*:yes) AC_MSG_ERROR([cannot bootstrap without a compiler]) ;; # Fail if wrong command line *) AC_MSG_ERROR([invalid option for --enable-bootstrap]) ;; esac # See if we are building gcc with C++. AC_ARG_ENABLE(build-with-cxx, [AS_HELP_STRING([--enable-build-with-cxx], [build with C++ compiler instead of C compiler])], ENABLE_BUILD_WITH_CXX=$enableval, ENABLE_BUILD_WITH_CXX=no) # Build stage1 with C and build stages 2 and 3 with C++. AC_ARG_ENABLE(build-poststage1-with-cxx, [AS_HELP_STRING([--enable-build-poststage1-with-cxx], [build stages 2 and 3 with C++, not C])], ENABLE_BUILD_POSTSTAGE1_WITH_CXX=$enableval, ENABLE_BUILD_POSTSTAGE1_WITH_CXX=yes) # Used for setting $lt_cv_objdir _LT_CHECK_OBJDIR # Check for GMP, MPFR and MPC gmplibs="-lmpc -lmpfr -lgmp" gmpinc= have_gmp=no # Specify a location for mpc # check for this first so it ends up on the link line before mpfr. AC_ARG_WITH(mpc, [AS_HELP_STRING([--with-mpc=PATH], [specify prefix directory for installed MPC package. Equivalent to --with-mpc-include=PATH/include plus --with-mpc-lib=PATH/lib])]) AC_ARG_WITH(mpc-include, [AS_HELP_STRING([--with-mpc-include=PATH], [specify directory for installed MPC include files])]) AC_ARG_WITH(mpc-lib, [AS_HELP_STRING([--with-mpc-lib=PATH], [specify directory for the installed MPC library])]) if test "x$with_mpc" != x; then gmplibs="-L$with_mpc/lib $gmplibs" gmpinc="-I$with_mpc/include $gmpinc" fi if test "x$with_mpc_include" != x; then gmpinc="-I$with_mpc_include $gmpinc" fi if test "x$with_mpc_lib" != x; then gmplibs="-L$with_mpc_lib $gmplibs" fi if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then gmplibs='-L$$r/$(HOST_SUBDIR)/mpc/src/'"$lt_cv_objdir $gmplibs" gmpinc='-I$$s/mpc/src '"$gmpinc" # Do not test the mpc version. Assume that it is sufficient, since # it is in the source tree, and the library has not been built yet # but it would be included on the link line in the version check below # hence making the test fail. have_gmp=yes fi # Specify a location for mpfr # check for this first so it ends up on the link line before gmp. AC_ARG_WITH(mpfr-dir, [AS_HELP_STRING([--with-mpfr-dir=PATH], [this option has been REMOVED])], [AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed. Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH])]) AC_ARG_WITH(mpfr, [AS_HELP_STRING([--with-mpfr=PATH], [specify prefix directory for installed MPFR package. Equivalent to --with-mpfr-include=PATH/include plus --with-mpfr-lib=PATH/lib])]) AC_ARG_WITH(mpfr-include, [AS_HELP_STRING([--with-mpfr-include=PATH], [specify directory for installed MPFR include files])]) AC_ARG_WITH(mpfr-lib, [AS_HELP_STRING([--with-mpfr-lib=PATH], [specify directory for the installed MPFR library])]) if test "x$with_mpfr" != x; then gmplibs="-L$with_mpfr/lib $gmplibs" gmpinc="-I$with_mpfr/include $gmpinc" fi if test "x$with_mpfr_include" != x; then gmpinc="-I$with_mpfr_include $gmpinc" fi if test "x$with_mpfr_lib" != x; then gmplibs="-L$with_mpfr_lib $gmplibs" fi if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir $gmplibs" gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr -I$$s/mpfr '"$gmpinc" extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir" # Do not test the mpfr version. Assume that it is sufficient, since # it is in the source tree, and the library has not been built yet # but it would be included on the link line in the version check below # hence making the test fail. have_gmp=yes fi # Specify a location for gmp AC_ARG_WITH(gmp-dir, [AS_HELP_STRING([--with-gmp-dir=PATH], [this option has been REMOVED])], [AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed. Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH])]) AC_ARG_WITH(gmp, [AS_HELP_STRING([--with-gmp=PATH], [specify prefix directory for the installed GMP package. Equivalent to --with-gmp-include=PATH/include plus --with-gmp-lib=PATH/lib])]) AC_ARG_WITH(gmp-include, [AS_HELP_STRING([--with-gmp-include=PATH], [specify directory for installed GMP include files])]) AC_ARG_WITH(gmp-lib, [AS_HELP_STRING([--with-gmp-lib=PATH], [specify directory for the installed GMP library])]) if test "x$with_gmp" != x; then gmplibs="-L$with_gmp/lib $gmplibs" gmpinc="-I$with_gmp/include $gmpinc" fi if test "x$with_gmp_include" != x; then gmpinc="-I$with_gmp_include $gmpinc" fi if test "x$with_gmp_lib" != x; then gmplibs="-L$with_gmp_lib $gmplibs" fi if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir $gmplibs" gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc" extra_mpfr_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir" extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir" # Do not test the gmp version. Assume that it is sufficient, since # it is in the source tree, and the library has not been built yet # but it would be included on the link line in the version check below # hence making the test fail. have_gmp=yes fi if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then have_gmp=yes saved_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS $gmpinc" # Check for the recommended and required versions of GMP. AC_MSG_CHECKING([for the correct version of gmp.h]) AC_TRY_COMPILE([#include "gmp.h"],[ #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c)) #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL) #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,0) choke me #endif ], [AC_TRY_COMPILE([#include <gmp.h>],[ #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c)) #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL) #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,3,2) choke me #endif ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])], [AC_MSG_RESULT([no]); have_gmp=no]) # If we have GMP, check the MPFR version. if test x"$have_gmp" = xyes; then # Check for the recommended and required versions of MPFR. AC_MSG_CHECKING([for the correct version of mpfr.h]) AC_TRY_COMPILE([#include <gmp.h> #include <mpfr.h>],[ #if MPFR_VERSION < MPFR_VERSION_NUM(2,3,1) choke me #endif ], [AC_TRY_COMPILE([#include <gmp.h> #include <mpfr.h>],[ #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,2) choke me #endif ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])], [AC_MSG_RESULT([no]); have_gmp=no]) fi # Check for the MPC header version. if test x"$have_gmp" = xyes ; then # Check for the recommended and required versions of MPC. AC_MSG_CHECKING([for the correct version of mpc.h]) AC_TRY_COMPILE([#include <mpc.h>],[ #if MPC_VERSION < MPC_VERSION_NUM(0,8,0) choke me #endif ], [AC_TRY_COMPILE([#include <mpc.h>],[ #if MPC_VERSION < MPC_VERSION_NUM(0,8,1) choke me #endif ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])], [AC_MSG_RESULT([no]); have_gmp=no]) fi # Now check the MPFR library. if test x"$have_gmp" = xyes; then saved_LIBS="$LIBS" LIBS="$LIBS $gmplibs" AC_MSG_CHECKING([for the correct version of the gmp/mpfr/mpc libraries]) AC_TRY_LINK([#include <mpc.h>],[ mpfr_t n; mpfr_t x; mpc_t c; int t; mpfr_init (n); mpfr_init (x); mpfr_atan2 (n, n, x, GMP_RNDN); mpfr_erfc (n, x, GMP_RNDN); mpfr_subnormalize (x, t, GMP_RNDN); mpfr_clear(n); mpfr_clear(x); mpc_init2 (c, 53); mpc_set_ui_ui (c, 1, 1, MPC_RNDNN); mpc_cosh (c, c, MPC_RNDNN); mpc_pow (c, c, c, MPC_RNDNN); mpc_acosh (c, c, MPC_RNDNN); mpc_clear (c); ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no]) LIBS="$saved_LIBS" fi CFLAGS="$saved_CFLAGS" # The library versions listed in the error message below should match # the HARD-minimums enforced above. if test x$have_gmp != xyes; then AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 2.3.1+ and MPC 0.8.0+. Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify their locations. Source code for these libraries can be found at their respective hosting sites as well as at ftp://gcc.gnu.org/pub/gcc/infrastructure/. See also http://gcc.gnu.org/install/prerequisites.html for additional info. If you obtained GMP, MPFR and/or MPC from a vendor distribution package, make sure that you have installed both the libraries and the header files. They may be located in separate packages.]) fi fi # Flags needed for both GMP, MPFR and/or MPC. AC_SUBST(gmplibs) AC_SUBST(gmpinc) AC_SUBST(extra_mpfr_configure_flags) AC_SUBST(extra_mpc_gmp_configure_flags) AC_SUBST(extra_mpc_mpfr_configure_flags) # Allow host libstdc++ to be specified for static linking with PPL. AC_ARG_WITH(host-libstdcxx, [AS_HELP_STRING([--with-host-libstdcxx=L], [use linker arguments L to link with libstdc++ when linking with PPL])]) case $with_host_libstdcxx in no|yes) AC_MSG_ERROR([-with-host-libstdcxx needs an argument]) ;; esac # Linker flags to use for stage1 or when not boostrapping. AC_ARG_WITH(stage1-ldflags, [AS_HELP_STRING([--with-stage1-ldflags=FLAGS], [linker flags for stage1])], [if test "$withval" = "no" -o "$withval" = "yes"; then stage1_ldflags= else stage1_ldflags=$withval fi], [stage1_ldflags=]) AC_SUBST(stage1_ldflags) # Libraries to use for stage1 or when not bootstrapping. AC_ARG_WITH(stage1-libs, [AS_HELP_STRING([--with-stage1-libs=LIBS], [libraries for stage1])], [if test "$withval" = "no" -o "$withval" = "yes"; then stage1_libs= else stage1_libs=$withval fi], [stage1_libs=$with_host_libstdcxx]) AC_SUBST(stage1_libs) # Libraries to use for stage2 and later builds. This defaults to the # argument passed to --with-host-libstdcxx. AC_ARG_WITH(boot-libs, [AS_HELP_STRING([--with-boot-libs=LIBS], [libraries for stage2 and later])], [if test "$withval" = "no" -o "$withval" = "yes"; then poststage1_libs= else poststage1_libs=$withval fi], [poststage1_libs=$with_host_libstdcxx]) AC_SUBST(poststage1_libs) # Linker flags to use for stage2 and later builds. AC_ARG_WITH(boot-ldflags, [AS_HELP_STRING([--with-boot-ldflags=FLAGS], [linker flags for stage2 and later])], [if test "$withval" = "no" -o "$withval" = "yes"; then poststage1_ldflags= else poststage1_ldflags=$withval fi], [poststage1_ldflags= # In stages 2 and 3, default to linking libstdc++ and libgcc # statically. But if the user explicitly specified the libraries to # use, trust that they are doing what they want. if test "$poststage1_libs" = ""; then poststage1_ldflags="-static-libstdc++ -static-libgcc" fi]) AC_SUBST(poststage1_ldflags) # Check for PPL ppllibs= pplinc= pwllib= AC_ARG_WITH(ppl, [AS_HELP_STRING([--with-ppl=PATH], [specify prefix directory for the installed PPL package. Equivalent to --with-ppl-include=PATH/include plus --with-ppl-lib=PATH/lib])]) AC_ARG_WITH(ppl-include, [AS_HELP_STRING([--with-ppl-include=PATH], [specify directory for installed PPL include files])]) AC_ARG_WITH(ppl-lib, [AS_HELP_STRING([--with-ppl-lib=PATH], [specify directory for the installed PPL library])]) AC_ARG_ENABLE(ppl-version-check, [AS_HELP_STRING([--disable-ppl-version-check], [disable check for PPL version])]) case $with_ppl in yes | no | "") ;; *) ppllibs="-L$with_ppl/lib" pplinc="-I$with_ppl/include $pplinc" if test -d "$with_ppl/lib" && test -d "$with_ppl/include"; then with_ppl=yes else AC_MSG_ERROR([cannot find directories "$with_ppl/lib" or "$with_ppl/include"]) fi ;; esac if test x"$with_ppl_include" != x; then pplinc="-I$with_ppl_include $pplinc" with_ppl=yes fi if test "x$with_ppl_lib" != x; then ppllibs="-L$with_ppl_lib" with_ppl=yes fi if test x"$with_ppl$with_ppl_include$with_ppl_lib" = x && test -d ${srcdir}/ppl; then if test x"$enable_watchdog" = xyes; then pwllib="-lpwl" fi ppllibs='-L$$r/$(HOST_SUBDIR)/ppl/interfaces/C/'"$lt_cv_objdir"' -L$$r/$(HOST_SUBDIR)/ppl/src/'"$lt_cv_objdir" pplinc='-I$$r/$(HOST_SUBDIR)/ppl/src -I$$r/$(HOST_SUBDIR)/ppl/interfaces/C ' enable_ppl_version_check=no with_ppl=yes fi if test "x$with_ppl" != xno; then if test "x$pwllib" = x; then saved_LIBS="$LIBS" LIBS="$LIBS $ppllibs -lstdc++ -lm" AC_CHECK_LIB(pwl, PWL_handle_timeout, [pwllib="-lpwl"]) LIBS="$saved_LIBS" fi ppllibs="$ppllibs -lppl_c -lppl $pwllib -lgmpxx" if test "$enable_ppl_version_check" != no; then saved_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS $pplinc $gmpinc" AC_MSG_CHECKING([for version 0.11 (revision 0 or later) of PPL]) AC_TRY_COMPILE([#include "ppl_c.h"],[ #if PPL_VERSION_MAJOR != 0 || PPL_VERSION_MINOR < 11 choke me #endif ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); ppllibs= ; pplinc= ; with_ppl=no ]) CFLAGS="$saved_CFLAGS" fi fi # Flags needed for PPL AC_SUBST(ppllibs) AC_SUBST(pplinc) # Check for CLOOG dnl Provide configure switches and initialize clooginc & clooglibs dnl with user input. 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AC_CHECK_PROGS(EXPECT, expect, expect) case " $configdirs " in *" expect "*) test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect' ;; esac AC_CHECK_PROGS(RUNTEST, runtest, runtest) case " $configdirs " in *" dejagnu "*) test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest' ;; esac # Host tools. NCN_STRICT_CHECK_TOOLS(AR, ar) NCN_STRICT_CHECK_TOOLS(AS, as) NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool) NCN_STRICT_CHECK_TOOLS(LD, ld) NCN_STRICT_CHECK_TOOLS(LIPO, lipo) NCN_STRICT_CHECK_TOOLS(NM, nm) NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, true) NCN_STRICT_CHECK_TOOLS(STRIP, strip, true) NCN_STRICT_CHECK_TOOLS(WINDRES, windres) NCN_STRICT_CHECK_TOOLS(WINDMC, windmc) NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy) NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump) NCN_STRICT_CHECK_TOOLS(READELF, readelf) AC_SUBST(CC) AC_SUBST(CXX) AC_SUBST(CFLAGS) AC_SUBST(CXXFLAGS) # Target tools. AC_ARG_WITH([build-time-tools], [AS_HELP_STRING([--with-build-time-tools=PATH], [use given path to find target tools during the build])], [case x"$withval" in x/*) ;; *) with_build_time_tools= AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path]) ;; esac], [with_build_time_tools=]) NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc) NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx) NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET}) NCN_STRICT_CHECK_TARGET_TOOLS(GCJ_FOR_TARGET, gcj) NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran) NCN_STRICT_CHECK_TARGET_TOOLS(GOC_FOR_TARGET, gccgo) ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar) ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as) ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool) ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld) ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo) ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm) ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump) ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib) ACX_CHECK_INSTALLED_TARGET_TOOL(READELF_FOR_TARGET, readelf) ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip) ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres) ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc) RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET" GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar]) GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new]) GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/]) dnl see comments for CXX_FOR_TARGET_FLAG_TO_PASS GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX, [gcc/g++ -B$$r/$(HOST_SUBDIR)/gcc/ -nostdinc++ `if test -f $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags; then $(SHELL) $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags --build-includes; else echo -funconfigured-libstdc++-v3 ; fi` -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs], c++) GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX, [gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs], c++) GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool]) GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/]) GCC_TARGET_TOOL(gcj, GCJ_FOR_TARGET, GCJ, [gcc/gcj -B$$r/$(HOST_SUBDIR)/gcc/], java) GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN, [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran) GCC_TARGET_TOOL(gccgo, GOC_FOR_TARGET, GOC, [gcc/gccgo -B$$r/$(HOST_SUBDIR)/gcc/], go) GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new]) GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO) GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new]) GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump]) GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib]) GCC_TARGET_TOOL(readelf, READELF_FOR_TARGET, READELF, [binutils/readelf]) GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip-new]) GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres]) GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc]) AC_SUBST(FLAGS_FOR_TARGET) AC_SUBST(RAW_CXX_FOR_TARGET) # Certain tools may need extra flags. AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target} RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target} NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target} # When building target libraries, except in a Canadian cross, we use # the same toolchain as the compiler we just built. COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)' COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)' COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)' if test $host = $build; then case " $configdirs " in *" gcc "*) COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as' COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld' COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target} ;; esac fi AC_SUBST(COMPILER_AS_FOR_TARGET) AC_SUBST(COMPILER_LD_FOR_TARGET) AC_SUBST(COMPILER_NM_FOR_TARGET) AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles]) AC_ARG_ENABLE(maintainer-mode, [AS_HELP_STRING([--enable-maintainer-mode], [enable make rules and dependencies not useful (and sometimes confusing) to the casual installer])], USE_MAINTAINER_MODE=$enableval, USE_MAINTAINER_MODE=no) AC_MSG_RESULT($USE_MAINTAINER_MODE) AC_SUBST(MAINTAINER_MODE_TRUE) AC_SUBST(MAINTAINER_MODE_FALSE) if test "$USE_MAINTAINER_MODE" = yes; then MAINTAINER_MODE_TRUE= MAINTAINER_MODE_FALSE='#' else MAINTAINER_MODE_TRUE='#' MAINTAINER_MODE_FALSE= fi MAINT=$MAINTAINER_MODE_TRUE AC_SUBST(MAINT)dnl # --------------------- # GCC bootstrap support # --------------------- # Stage specific cflags for build. stage1_cflags="-g" case $build in vax-*-*) case ${GCC} in yes) stage1_cflags="-g -Wa,-J" ;; *) stage1_cflags="-g -J" ;; esac ;; esac # This is aimed to mimic bootstrap with a non-GCC compiler to catch problems. if test "$GCC" = yes -a "$ENABLE_BUILD_WITH_CXX" != yes; then saved_CFLAGS="$CFLAGS" # Pass -fkeep-inline-functions for stage 1 if the GCC version supports it. CFLAGS="$CFLAGS -fkeep-inline-functions" AC_MSG_CHECKING([whether -fkeep-inline-functions is supported]) AC_TRY_COMPILE([ #if (__GNUC__ < 3) \ || (__GNUC__ == 3 && (__GNUC_MINOR__ < 3 \ || (__GNUC_MINOR__ == 3 && __GNUC_PATCHLEVEL__ < 1))) #error http://gcc.gnu.org/PR29382 #endif ],, [AC_MSG_RESULT([yes]); stage1_cflags="$stage1_cflags -fkeep-inline-functions"], [AC_MSG_RESULT([no])]) CFLAGS="$saved_CFLAGS" fi AC_SUBST(stage1_cflags) # Enable --enable-checking in stage1 of the compiler. AC_ARG_ENABLE(stage1-checking, [AS_HELP_STRING([[--enable-stage1-checking[=all]]], [choose additional checking for stage1 of the compiler])], [stage1_checking=--enable-checking=${enable_stage1_checking}], [if test "x$enable_checking" = xno || test "x$enable_checking" = x; then stage1_checking=--enable-checking=yes,types else stage1_checking=--enable-checking=$enable_checking,types fi]) AC_SUBST(stage1_checking) # Enable -Werror in bootstrap stage2 and later. AC_ARG_ENABLE(werror, [AS_HELP_STRING([--enable-werror], [enable -Werror in bootstrap stage2 and later])], [], [if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then enable_werror=yes else enable_werror=no fi]) case ${enable_werror} in yes) stage2_werror_flag="--enable-werror-always" ;; *) stage2_werror_flag="" ;; esac AC_SUBST(stage2_werror_flag) # If using ENABLE_BUILD_POSTSTAGE1_WITH_CXX, pass # --enable-build-with-cxx after stage1. if test "$ENABLE_BUILD_POSTSTAGE1_WITH_CXX" = "yes"; then POSTSTAGE1_CONFIGURE_FLAGS=--enable-build-with-cxx else POSTSTAGE1_CONFIGURE_FLAGS= fi AC_SUBST(POSTSTAGE1_CONFIGURE_FLAGS) # Specify what files to not compare during bootstrap. compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*" case "$target" in hppa*64*-*-hpux*) ;; hppa*-*-hpux*) compare_exclusions="gcc/cc*-checksum\$(objext) | */libgcc/lib2funcs* | gcc/ada/*tools/*" ;; esac case " $configdirs " in *" ppl "*) compare_exclusions="$compare_exclusions | ppl/src/ppl-config.o" ;; esac AC_SUBST(compare_exclusions) AC_CONFIG_FILES([Makefile], [sed "$extrasub_build" Makefile | sed "$extrasub_host" | sed "$extrasub_target" > mf$$ mv -f mf$$ Makefile], [extrasub_build="$extrasub_build" extrasub_host="$extrasub_host" extrasub_target="$extrasub_target"]) AC_OUTPUT