# Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, # 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 # 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/isl.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. 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In all cases a dependency should be specified in # the Makefile, whether or not it's implicitly specified here. # Double entries in build_configdirs, configdirs, or target_configdirs may # cause circular dependencies and break everything horribly. # these library is used by various programs built for the build # environment # build_libs="build-libiberty" # these tools are built for the build environment build_tools="build-texinfo build-flex build-bison build-m4 build-fixincludes" # these libraries are used by various programs built for the host environment # host_libs="intl libiberty opcodes bfd readline tcl tk itcl libgui zlib libbacktrace libcpp libdecnumber gmp mpfr mpc isl cloog libelf libiconv" # these tools are built for the host environment # Note, the powerpc-eabi build depends on sim occurring before gdb in order to # know that we are building the simulator. # binutils, gas and ld appear in that order because it makes sense to run # "make check" in that particular order. # If --enable-gold is used, "gold" may replace "ld". host_tools="texinfo flex bison binutils gas ld fixincludes gcc cgen sid sim gdb gprof etc expect dejagnu m4 utils guile fastjar gnattools" # libgcj represents the runtime libraries only used by gcj. libgcj="target-libffi \ target-zlib \ target-libjava" # these libraries are built for the target environment, and are built after # the host libraries and the host tools (which may be a cross compiler) # Note that libiberty is not a target library. target_libraries="target-libgcc \ target-libbacktrace \ target-libgloss \ target-newlib \ target-libgomp \ target-libatomic \ target-libitm \ target-libstdc++-v3 \ target-libmudflap \ target-libsanitizer \ target-libssp \ target-libquadmath \ target-libgfortran \ target-boehm-gc \ ${libgcj} \ target-libobjc \ target-libada \ target-libgo" # these tools are built using the target libraries, and are intended to # run only in the target environment # # note: any program that *uses* libraries that are in the "target_libraries" # list belongs in this list. # target_tools="target-rda" ################################################################################ ## All tools belong in one of the four categories, and are assigned above ## We assign ${configdirs} this way to remove all embedded newlines. 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esac AC_ARG_ENABLE(libquadmath, AS_HELP_STRING([--disable-libquadmath], [do not build libquadmath directory]), ENABLE_LIBQUADMATH=$enableval, ENABLE_LIBQUADMATH=yes) if test "${ENABLE_LIBQUADMATH}" = "no" ; then noconfigdirs="$noconfigdirs target-libquadmath" fi AC_ARG_ENABLE(libquadmath-support, AS_HELP_STRING([--disable-libquadmath-support], [disable libquadmath support for Fortran]), ENABLE_LIBQUADMATH_SUPPORT=$enableval, ENABLE_LIBQUADMATH_SUPPORT=yes) enable_libquadmath_support= if test "${ENABLE_LIBQUADMATH_SUPPORT}" = "no" ; then enable_libquadmath_support=no fi AC_ARG_ENABLE(libada, [AS_HELP_STRING([--enable-libada], [build libada directory])], ENABLE_LIBADA=$enableval, ENABLE_LIBADA=yes) if test "${ENABLE_LIBADA}" != "yes" ; then noconfigdirs="$noconfigdirs gnattools" fi AC_ARG_ENABLE(libssp, [AS_HELP_STRING([--enable-libssp], [build libssp directory])], ENABLE_LIBSSP=$enableval, ENABLE_LIBSSP=yes) AC_ARG_ENABLE(libstdcxx, AS_HELP_STRING([--disable-libstdcxx], [do not build libstdc++-v3 directory]), ENABLE_LIBSTDCXX=$enableval, ENABLE_LIBSTDCXX=default) [if test "${ENABLE_LIBSTDCXX}" = "no" ; then noconfigdirs="$noconfigdirs libstdc++-v3" fi] # Save it here so that, even in case of --enable-libgcj, if the Java # front-end isn't enabled, we still get libgcj disabled. libgcj_saved=$libgcj case $enable_libgcj in yes) # If we reset it here, it won't get added to noconfigdirs in the # target-specific build rules, so it will be forcibly enabled # (unless the Java language itself isn't enabled). libgcj= ;; no) # Make sure we get it printed in the list of not supported target libs. # Don't disable libffi, though, other languages use it. noconfigdirs="$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. ;; *) # Disable it by default everywhere else. noconfigdirs="$noconfigdirs target-libmudflap" ;; esac fi # Disable libgomp on non POSIX hosted systems. if test x$enable_libgomp = x ; then # Enable libgomp by default on hosted POSIX systems. case "${target}" in *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu) ;; *-*-netbsd* | *-*-freebsd* | *-*-openbsd* | *-*-dragonfly*) ;; *-*-solaris2* | *-*-hpux11*) ;; *-*-darwin* | *-*-aix*) ;; *) noconfigdirs="$noconfigdirs target-libgomp" ;; esac fi # Disable libatomic on unsupported systems. if test -d ${srcdir}/libatomic; then if test x$enable_libatomic = x; then AC_MSG_CHECKING([for libatomic support]) if (srcdir=${srcdir}/libatomic; 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esac # Disable libssp for some systems. case "${target}" in avr-*-*) # No hosted I/O support. noconfigdirs="$noconfigdirs target-libssp" ;; powerpc-*-aix* | rs6000-*-aix*) noconfigdirs="$noconfigdirs target-libssp" ;; rl78-*-*) # libssp uses a misaligned load to trigger a fault, but the RL78 # doesn't fault for those - instead, it gives a build-time error # for explicit misaligned loads. noconfigdirs="$noconfigdirs target-libssp" ;; esac # Disable libstdc++-v3 for some systems. # Allow user to override this if they pass --enable-libstdc++-v3 if test "${ENABLE_LIBSTDCXX}" = "default" ; then case "${target}" in *-*-vxworks*) # VxWorks uses the Dinkumware C++ library. noconfigdirs="$noconfigdirs target-libstdc++-v3" ;; arm*-wince-pe*) # the C++ libraries don't build on top of CE's C libraries noconfigdirs="$noconfigdirs target-libstdc++-v3" ;; avr-*-*) noconfigdirs="$noconfigdirs target-libstdc++-v3" ;; esac fi # Disable Fortran for some systems. case "${target}" in mmix-*-*) # See <http://gcc.gnu.org/ml/gcc-patches/2004-11/msg00572.html>. unsupported_languages="$unsupported_languages fortran" ;; 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mmix-*-*) noconfigdirs="$noconfigdirs gdb" ;; mt-*-*) noconfigdirs="$noconfigdirs sim" ;; powerpc-*-aix*) # copied from rs6000-*-* entry noconfigdirs="$noconfigdirs gprof" ;; powerpc*-*-winnt* | powerpc*-*-pe*) target_configdirs="$target_configdirs target-winsup" noconfigdirs="$noconfigdirs gdb tcl tk target-libgloss itcl" # always build newlib. skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;; # This is temporary until we can link against shared libraries powerpcle-*-solaris*) noconfigdirs="$noconfigdirs gdb sim tcl tk itcl" ;; powerpc-*-beos*) noconfigdirs="$noconfigdirs gdb" ;; rs6000-*-lynxos*) noconfigdirs="$noconfigdirs gprof" ;; rs6000-*-aix*) noconfigdirs="$noconfigdirs gprof" ;; rs6000-*-*) noconfigdirs="$noconfigdirs gprof" ;; m68k-apollo-*) noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss" ;; microblaze*) noconfigdirs="$noconfigdirs gprof" ;; mips*-sde-elf* | mips*-mti-elf*) if test x$with_newlib = xyes; then noconfigdirs="$noconfigdirs gprof" fi ;; mips*-*-irix5*) noconfigdirs="$noconfigdirs gprof target-libgloss" ;; mips*-*-irix6*) noconfigdirs="$noconfigdirs gprof target-libgloss" ;; mips*-*-bsd*) noconfigdirs="$noconfigdirs gprof target-libgloss" ;; mips*-*-linux*) ;; mips*-*-*) noconfigdirs="$noconfigdirs gprof" ;; sh-*-* | sh64-*-*) case "${target}" in sh*-*-elf) ;; *) noconfigdirs="$noconfigdirs target-libgloss" ;; esac ;; sparc-*-sunos4*) if test x${is_cross_compiler} = xno ; then use_gnu_ld=no fi ;; tic6x-*-*) noconfigdirs="$noconfigdirs sim" ;; tilepro-*-* | tilegx-*-*) noconfigdirs="$noconfigdirs sim" ;; v810-*-*) noconfigdirs="$noconfigdirs bfd binutils gas gdb ld opcodes target-libgloss" ;; vax-*-*) noconfigdirs="$noconfigdirs target-newlib target-libgloss" ;; esac # If we aren't building newlib, then don't build libgloss, since libgloss # depends upon some newlib header files. case "${noconfigdirs}" in *target-libgloss*) ;; *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;; esac # Work in distributions that contain no compiler tools, like Autoconf. host_makefile_frag=/dev/null if test -d ${srcdir}/config ; then case "${host}" in i[[3456789]]86-*-msdosdjgpp*) host_makefile_frag="config/mh-djgpp" ;; *-cygwin*) ACX_CHECK_CYGWIN_CAT_WORKS host_makefile_frag="config/mh-cygwin" ;; *-mingw*) host_makefile_frag="config/mh-mingw" ;; hppa*-hp-hpux10*) host_makefile_frag="config/mh-pa-hpux10" ;; hppa*-hp-hpux*) host_makefile_frag="config/mh-pa" ;; hppa*-*) host_makefile_frag="config/mh-pa" ;; *-*-darwin*) host_makefile_frag="config/mh-darwin" ;; 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 # Check whether -static-libstdc++ -static-libgcc is supported. have_static_libs=no if test "$GCC" = yes; then saved_LDFLAGS="$LDFLAGS" LDFLAGS="$LDFLAGS -static-libstdc++ -static-libgcc" AC_MSG_CHECKING([whether g++ accepts -static-libstdc++ -static-libgcc]) AC_LANG_PUSH(C++) AC_LINK_IFELSE([ #if (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 5) #error -static-libstdc++ not implemented #endif int main() {}], [AC_MSG_RESULT([yes]); have_static_libs=yes], [AC_MSG_RESULT([no])]) AC_LANG_POP(C++) LDFLAGS="$saved_LDFLAGS" 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 # 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 # MPFR v3.1.0 moved the sources into a src sub-directory. if test -d ${srcdir}/mpfr/src; then gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir $gmplibs" gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr/src -I$$s/mpfr/src '"$gmpinc" extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr/src --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir" else gmplibs='-L$$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" fi # 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=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir" extra_isl_gmp_configure_flags='--with-gmp-builddir=$$r/$(HOST_SUBDIR)/gmp' # 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 $gmpinc" # Check for the recommended and required versions of GMP. AC_MSG_CHECKING([for the correct version of gmp.h]) AC_TRY_COMPILE([#include "gmp.h"],[ #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c)) #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL) #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,3) choke me #endif ], [AC_TRY_COMPILE([#include <gmp.h>],[ #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c)) #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL) #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,3,2) choke me #endif ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])], [AC_MSG_RESULT([no]); have_gmp=no]) # If we have GMP, check the MPFR version. if test x"$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(2,4,0) 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 2.4.0+ 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) AC_SUBST(extra_isl_gmp_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 $with_host_libstdcxx in no|yes) AC_MSG_ERROR([-with-host-libstdcxx needs an argument]) ;; esac # Libraries to use for stage1 or when not bootstrapping. AC_ARG_WITH(stage1-libs, [AS_HELP_STRING([--with-stage1-libs=LIBS], [libraries for stage1])], [if test "$withval" = "no" -o "$withval" = "yes"; then stage1_libs= else stage1_libs=$withval fi], [stage1_libs=$with_host_libstdcxx]) AC_SUBST(stage1_libs) # Linker flags to use for stage1 or when not bootstrapping. AC_ARG_WITH(stage1-ldflags, [AS_HELP_STRING([--with-stage1-ldflags=FLAGS], [linker flags for stage1])], [if test "$withval" = "no" -o "$withval" = "yes"; then stage1_ldflags= else stage1_ldflags=$withval fi], [stage1_ldflags= # In stage 1, default to linking libstdc++ and libgcc statically with GCC # if supported. But if the user explicitly specified the libraries to use, # trust that they are doing what they want. if test "$stage1_libs" = "" -a "$have_static_libs" = yes; then stage1_ldflags="-static-libstdc++ -static-libgcc" fi]) AC_SUBST(stage1_ldflags) # 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) # GCC GRAPHITE dependences, ISL and CLOOG which in turn requires ISL. # Basic setup is inlined here, actual checks are in config/cloog.m4 and # config/isl.m4 AC_ARG_WITH(cloog, [AS_HELP_STRING( [--with-cloog=PATH], [Specify prefix directory for the installed CLooG-ISL package. Equivalent to --with-cloog-include=PATH/include plus --with-cloog-lib=PATH/lib])]) AC_ARG_WITH(isl, [AS_HELP_STRING( [--with-isl=PATH], [Specify prefix directory for the installed ISL package. Equivalent to --with-isl-include=PATH/include plus --with-isl-lib=PATH/lib])]) # Treat either --without-cloog or --without-isl as a request to disable # GRAPHITE support and skip all following checks. if test "x$with_isl" != "xno" && test "x$with_cloog" != "xno"; then # Check for ISL dnl Provide configure switches and initialize islinc & isllibs dnl with user input. ISL_INIT_FLAGS dnl The versions of ISL that work for Graphite ISL_CHECK_VERSION(0,10) if test "${gcc_cv_isl}" = no ; then ISL_CHECK_VERSION(0,11) fi dnl Only execute fail-action, if ISL has been requested. ISL_IF_FAILED([ AC_MSG_ERROR([Unable to find a usable ISL. See config.log for details.])]) if test "x$gcc_cv_isl" != "xno"; then # Check for CLOOG dnl Provide configure switches and initialize clooginc & clooglibs dnl with user input. CLOOG_INIT_FLAGS dnl The versions of CLooG that work for Graphite. CLOOG_CHECK_VERSION(0,17,0) if test "${gcc_cv_cloog}" = no ; then CLOOG_CHECK_VERSION(0,18,0) fi dnl Only execute fail-action, if CLooG has been requested. CLOOG_IF_FAILED([ AC_MSG_ERROR([Unable to find a usable CLooG. See config.log for details.])]) fi fi # If either the ISL or the CLooG check failed, disable builds of in-tree # variants of both if test "x$with_isl" = xno || test "x$with_cloog" = xno || test "x$gcc_cv_cloog" = xno || test "x$gcc_cv_isl" = xno; then noconfigdirs="$noconfigdirs cloog isl" islinc= clooginc= clooglibs= fi AC_SUBST(islinc) AC_SUBST(clooglibs) AC_SUBST(clooginc) # Check for LTO support. AC_ARG_ENABLE(lto, [AS_HELP_STRING([--enable-lto], [enable link time optimization support])], enable_lto=$enableval, enable_lto=yes; default_enable_lto=yes) ACX_ELF_TARGET_IFELSE([# ELF platforms build the lto-plugin always. build_lto_plugin=yes ],[if test x"$default_enable_lto" = x"yes" ; then case $target in *-apple-darwin9* | *-cygwin* | *-mingw*) ;; # On other non-ELF platforms, LTO has yet to be validated. *) enable_lto=no ;; esac else # Apart from ELF platforms, only Windows and Darwin support LTO so far. # It would also be nice to check the binutils support, but we don't # have gcc_GAS_CHECK_FEATURE available here. For now, we'll just # warn during gcc/ subconfigure; unless you're bootstrapping with # -flto it won't be needed until after installation anyway. case $target in *-cygwin* | *-mingw* | *-apple-darwin*) ;; *) if test x"$enable_lto" = x"yes"; then AC_MSG_ERROR([LTO support is not enabled for this target.]) fi ;; esac fi # Among non-ELF, only Windows platforms support the lto-plugin so far. # Build it unless LTO was explicitly disabled. case $target in *-cygwin* | *-mingw*) build_lto_plugin=$enable_lto ;; *) ;; esac ]) # By default, C and C++ are the only stage 1 languages. stage1_languages=,c, # Target libraries that we bootstrap. bootstrap_target_libs=,target-libgcc, # Figure out what language subdirectories are present. # Look if the user specified --enable-languages="..."; if not, use # the environment variable $LANGUAGES if defined. $LANGUAGES might # go away some day. # NB: embedded tabs in this IF block -- do not untabify if test -d ${srcdir}/gcc; then if test x"${enable_languages+set}" != xset; then if test x"${LANGUAGES+set}" = xset; then enable_languages="${LANGUAGES}" echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2 else enable_languages=all fi else if test x"${enable_languages}" = x || test x"${enable_languages}" = xyes; then echo configure.in: --enable-languages needs at least one language argument 1>&2 exit 1 fi fi enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'` # 'f95' is the old name for the 'fortran' language. We issue a warning # and make the substitution. case ,${enable_languages}, in *,f95,*) echo configure.in: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'` ;; esac # If bootstrapping, C++ must be enabled. case ",$enable_languages,:$enable_bootstrap" in *,c++,*:*) ;; *:yes) if test -f ${srcdir}/gcc/cp/config-lang.in; then enable_languages="${enable_languages},c++" else AC_MSG_ERROR([bootstrapping requires c++ sources]) fi ;; esac # First scan to see if an enabled language requires some other language. # We assume that a given config-lang.in will list all the language # front ends it requires, even if some are required indirectly. for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do case ${lang_frag} in ..) ;; # The odd quoting in the next line works around # an apparent bug in bash 1.12 on linux. ${srcdir}/gcc/[[*]]/config-lang.in) ;; *) # From the config-lang.in, get $language, $lang_requires, and # $lang_requires_boot_languages. language= lang_requires= lang_requires_boot_languages= . ${lang_frag} for other in ${lang_requires} ${lang_requires_boot_languages}; do case ,${enable_languages}, in *,$other,*) ;; *,all,*) ;; *,$language,*) echo " \`$other' language required by \`$language'; enabling" 1>&2 enable_languages="${enable_languages},${other}" ;; esac done for other in ${lang_requires_boot_languages} ; do if test "$other" != "c"; then case ,${enable_stage1_languages}, in *,$other,*) ;; *,all,*) ;; *) case ,${enable_languages}, in *,$language,*) echo " '$other' language required by '$language' in stage 1; enabling" 1>&2 enable_stage1_languages="$enable_stage1_languages,${other}" ;; esac ;; esac fi done ;; esac done new_enable_languages=,c, # If LTO is enabled, add the LTO front end. extra_host_libiberty_configure_flags= if test "$enable_lto" = "yes" ; then case ,${enable_languages}, in *,lto,*) ;; *) enable_languages="${enable_languages},lto" ;; esac if test "${build_lto_plugin}" = "yes" ; then configdirs="$configdirs lto-plugin" extra_host_libiberty_configure_flags=--enable-shared fi fi AC_SUBST(extra_host_libiberty_configure_flags) missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ ` potential_languages=,c, enabled_target_libs= disabled_target_libs= for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do case ${lang_frag} in ..) ;; # The odd quoting in the next line works around # an apparent bug in bash 1.12 on linux. ${srcdir}/gcc/[[*]]/config-lang.in) ;; *) # From the config-lang.in, get $language, $target_libs, # $lang_dirs, $boot_language, and $build_by_default language= target_libs= lang_dirs= subdir_requires= boot_language=no build_by_default=yes . ${lang_frag} if test x${language} = x; then echo "${lang_frag} doesn't set \$language." 1>&2 exit 1 fi if test "$language" = "c++"; then boot_language=yes fi add_this_lang=no case ,${enable_languages}, in *,${language},*) # Language was explicitly selected; include it # unless it is C, which is enabled by default. if test "$language" != "c"; then add_this_lang=yes fi ;; *,all,*) # 'all' was selected, select it if it is a default language if test "$language" != "c"; then add_this_lang=${build_by_default} fi ;; esac # Disable languages that need other directories if these aren't available. for i in $subdir_requires; do test -f "$srcdir/gcc/$i/config-lang.in" && continue case ,${enable_languages}, in *,${language},*) # Specifically requested language; tell them. AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing]) ;; *) # Silently disable. add_this_lang=unsupported ;; esac done # Disable Ada if no preexisting GNAT is available. case ,${enable_languages},:${language}:${have_gnat} in *,${language},*:ada:no) # Specifically requested language; tell them. AC_MSG_ERROR([GNAT is required to build $language]) ;; *:ada:no) # Silently disable. add_this_lang=unsupported ;; esac # Disable a language that is unsupported by the target. case " $unsupported_languages " in *" $language "*) add_this_lang=unsupported ;; esac case $add_this_lang in unsupported) # Remove language-dependent dirs. disabled_target_libs="$disabled_target_libs $target_libs" noconfigdirs="$noconfigdirs $lang_dirs" ;; no) # Remove language-dependent dirs; still show language as supported. disabled_target_libs="$disabled_target_libs $target_libs" noconfigdirs="$noconfigdirs $lang_dirs" potential_languages="${potential_languages}${language}," ;; yes) new_enable_languages="${new_enable_languages}${language}," potential_languages="${potential_languages}${language}," missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"` enabled_target_libs="$enabled_target_libs $target_libs" case "${boot_language}:,$enable_stage1_languages," in yes:* | *:*,$language,* | *:*,yes, | *:*,all,) # Add to (comma-separated) list of stage 1 languages. case ",$stage1_languages," in *,$language,* | ,yes, | ,all,) ;; *) stage1_languages="${stage1_languages}${language}," ;; esac # We need to bootstrap any supporting libraries. bootstrap_target_libs="${bootstrap_target_libs}${target_libs}," ;; esac ;; esac ;; esac done # Add target libraries which are only needed for disabled languages # to noconfigdirs. if test -n "$disabled_target_libs"; then for dir in $disabled_target_libs; do case " $enabled_target_libs " in *" ${dir} "*) ;; *) noconfigdirs="$noconfigdirs $dir" ;; esac done fi AC_ARG_ENABLE(stage1-languages, [AS_HELP_STRING([[--enable-stage1-languages[=all]]], [choose additional languages to build during stage1. 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AC_ARG_WITH([build-time-tools], [AS_HELP_STRING([--with-build-time-tools=PATH], [use given path to find target tools during the build])], [case x"$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$$r/$(HOST_SUBDIR)/gcc/]) dnl see comments for CXX_FOR_TARGET_FLAG_TO_PASS GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX, [gcc/xg++ -B$$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 ${GCC} in yes) stage1_cflags="-g -Wa,-J" ;; *) stage1_cflags="-g -J" ;; esac ;; esac AC_SUBST(stage1_cflags) # Enable --enable-checking in stage1 of the compiler. AC_ARG_ENABLE(stage1-checking, [AS_HELP_STRING([[--enable-stage1-checking[=all]]], [choose additional checking for stage1 of the compiler])], [stage1_checking=--enable-checking=${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 ${enable_werror} in yes) stage2_werror_flag="--enable-werror-always" ;; *) stage2_werror_flag="" ;; esac AC_SUBST(stage2_werror_flag) # Specify what files to not compare during bootstrap. compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*" case "$target" in hppa*64*-*-hpux*) ;; hppa*-*-hpux*) compare_exclusions="gcc/cc*-checksum\$(objext) | */libgcc/lib2funcs* | gcc/ada/*tools/*" ;; powerpc*-ibm-aix*) compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/* | *libgomp*\$(objext)" ;; 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