# Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, # 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, # 2014, 2015, 2016, 2019 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 # . ############################################################################## ### 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(config/ax_cxx_compile_stdcxx.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]) AC_INIT(move-if-change) 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. TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS $ac_arg" done if test "$silent" = yes; then TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS --silent" fi # Remove the initial space we just introduced and, as these will be # expanded by make, quote '$'. TOPLEVEL_CONFIGURE_ARGUMENTS=`echo "x$TOPLEVEL_CONFIGURE_ARGUMENTS" | sed -e 's/^x *//' -e 's,\\$,$$,g'` AC_SUBST(TOPLEVEL_CONFIGURE_ARGUMENTS) # Find the build, host, and target systems. ACX_NONCANONICAL_BUILD ACX_NONCANONICAL_HOST ACX_NONCANONICAL_TARGET dnl Autoconf 2.5x and later will set a default program prefix if dnl --target was used, even if it was the same as --host. Disable dnl that behavior. This must be done before AC_CANONICAL_SYSTEM dnl to take effect. test "$host_noncanonical" = "$target_noncanonical" && test "$program_prefix$program_suffix$program_transform_name" = \ NONENONEs,x,x, && program_transform_name=s,y,y, AC_CANONICAL_SYSTEM AC_ARG_PROGRAM m4_pattern_allow([^AS_FOR_TARGET$])dnl m4_pattern_allow([^AS_FOR_BUILD$])dnl # Get 'install' or 'install-sh' and its variants. AC_PROG_INSTALL ACX_PROG_LN AC_PROG_LN_S AC_PROG_SED AC_PROG_AWK srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}` # We pass INSTALL explicitly to sub-makes. Make sure that it is not # a relative path. if test "$INSTALL" = "${srcdir}/install-sh -c"; then INSTALL="${srcpwd}/install-sh -c" fi # Set srcdir to "." if that's what it is. # This is important for multilib support. pwd=`${PWDCMD-pwd}` if test "${pwd}" = "${srcpwd}" ; then srcdir=. fi topsrcdir=$srcpwd extra_host_args= ### To add a new directory to the tree, first choose whether it is a target ### or a host dependent tool. 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. 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 build-libcpp" # 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 #f host_libs="intl libiberty opcodes bfd readline tcl tk itcl libgui zlib libbacktrace libcpp libcody libdecnumber gmp mpfr mpc isl libelf libiconv libctf" # 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 gdbserver gprof etc expect dejagnu m4 utils guile fastjar gnattools libcc1 gotools c++tools" # 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-liboffloadmic \ target-libhsail-rt \ target-libatomic \ target-libitm \ target-libstdc++-v3 \ target-libsanitizer \ target-libvtv \ target-libssp \ target-libquadmath \ target-libgfortran \ target-libffi \ target-libobjc \ target-libada \ target-libgo \ target-libphobos \ target-zlib" # 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. This ## is important because configure will choke if they ever get through. ## ${configdirs} is directories we build using the host tools. ## ${target_configdirs} is directories we build using the target tools. configdirs=`echo ${host_libs} ${host_tools}` target_configdirs=`echo ${target_libraries} ${target_tools}` build_configdirs=`echo ${build_libs} ${build_tools}` m4_divert_text([PARSE_ARGS], [case $srcdir in *" "*) m4_pushdef([AS_MESSAGE_LOG_FD], [])dnl AC_MSG_ERROR([path to source, $srcdir, contains spaces]) m4_popdef([AS_MESSAGE_LOG_FD])dnl ;; esac ac_subdirs_all=`cd $srcdir && echo */configure | sed 's,/configure,,g'` ]) ################################################################################ srcname="gnu development package" # This gets set non-empty for some net releases of packages. appdirs="" # Define is_cross_compiler to save on calls to 'test'. is_cross_compiler= if test x"${host}" = x"${target}" ; then is_cross_compiler=no else is_cross_compiler=yes fi # Find the build and target subdir names. 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AC_ARG_ENABLE(compressed_debug_sections, [AS_HELP_STRING([--enable-compressed-debug-sections={all,gas,gold,ld,none}], [Enable compressed debug sections for gas, gold or ld by default])], [ if test x"$enable_compressed_debug_sections" = xyes; then AC_MSG_ERROR([no program with compressed debug sections specified]) fi ], [enable_compressed_debug_sections=]) # Configure extra directories which are host specific case "${host}" in *-cygwin*) configdirs="$configdirs libtermcap" ;; esac # A target can indicate whether a language isn't supported for some reason. # Only spaces may be used in this macro; not newlines or tabs. unsupported_languages= # Remove more programs from consideration, based on the host or # target this usually means that a port of the program doesn't # exist yet. case "${host}" in i[[3456789]]86-*-msdosdjgpp*) noconfigdirs="$noconfigdirs tcl tk itcl" ;; 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 target-libstdc++-v3" fi] # If this is accelerator compiler and its target is intelmic we enable # target liboffloadmic by default. If this is compiler with offloading # for intelmic we enable host liboffloadmic by default. Otherwise # liboffloadmic is disabled by default. AC_ARG_ENABLE([liboffloadmic], AC_HELP_STRING([[--enable-liboffloadmic[=ARG]]], [build liboffloadmic @<:@ARG={no,host,target}@:>@]), [case "$enableval" in no | host | target) enable_liboffloadmic=$enableval ;; *) AC_MSG_ERROR([--enable-liboffloadmic=no/host/target]) ;; esac], [if test x"$enable_as_accelerator_for" != x; then case "${target}" in *-intelmic-* | *-intelmicemul-*) enable_liboffloadmic=target extra_liboffloadmic_configure_flags="--enable-liboffloadmic=target" ;; *) enable_liboffloadmic=no ;; esac else case "${enable_offload_targets}" in *-intelmic-* | *-intelmicemul-*) enable_liboffloadmic=host extra_liboffloadmic_configure_flags="--enable-liboffloadmic=host" ;; *) enable_liboffloadmic=no ;; esac fi]) AC_SUBST(extra_liboffloadmic_configure_flags) # Enable libgomp by default on hosted POSIX systems, and a few others. if test x$enable_libgomp = x ; then case "${target}" in *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu) ;; *-*-netbsd* | *-*-freebsd* | *-*-openbsd* | *-*-dragonfly*) ;; *-*-solaris2* | *-*-hpux11*) ;; *-*-darwin* | *-*-aix*) ;; nvptx*-*-* | amdgcn*-*-*) ;; *) 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; \ . ${srcdir}/configure.tgt; \ test -n "$UNSUPPORTED") then AC_MSG_RESULT([no]) noconfigdirs="$noconfigdirs target-libatomic" else AC_MSG_RESULT([yes]) fi fi fi # Disable liboffloadmic on unsupported systems. if test -d ${srcdir}/liboffloadmic; then if test x$enable_liboffloadmic != xno; then AC_MSG_CHECKING([for liboffloadmic support]) if (srcdir=${srcdir}/liboffloadmic; \ . ${srcdir}/configure.tgt; \ test -n "$UNSUPPORTED") then AC_MSG_RESULT([no]) noconfigdirs="$noconfigdirs target-liboffloadmic" else AC_MSG_RESULT([yes]) fi fi fi # Disable libitm on unsupported systems. if test -d ${srcdir}/libitm; then if test x$enable_libitm = x; then AC_MSG_CHECKING([for libitm support]) if (srcdir=${srcdir}/libitm; \ . ${srcdir}/configure.tgt; \ test -n "$UNSUPPORTED") then AC_MSG_RESULT([no]) noconfigdirs="$noconfigdirs target-libitm" else AC_MSG_RESULT([yes]) fi fi fi # Disable libsanitizer on unsupported systems. if test -d ${srcdir}/libsanitizer; then if test x$enable_libsanitizer = x; then AC_MSG_CHECKING([for libsanitizer support]) if (srcdir=${srcdir}/libsanitizer; \ . ${srcdir}/configure.tgt; \ test -n "$UNSUPPORTED") then AC_MSG_RESULT([no]) noconfigdirs="$noconfigdirs target-libsanitizer" else AC_MSG_RESULT([yes]) fi fi fi # Disable libvtv on unsupported systems. if test -d ${srcdir}/libvtv; then if test x$enable_libvtv = x; then AC_MSG_CHECKING([for libvtv support]) if (srcdir=${srcdir}/libvtv; \ . ${srcdir}/configure.tgt; \ test "$VTV_SUPPORTED" != "yes") then AC_MSG_RESULT([no]) noconfigdirs="$noconfigdirs target-libvtv" else AC_MSG_RESULT([yes]) fi fi fi # Disable libhsail-rt on unsupported systems. if test -d ${srcdir}/libhsail-rt; then if test x$enable_libhsail_rt = x; then AC_MSG_CHECKING([for libhsail-rt support]) if (srcdir=${srcdir}/libhsail-rt; 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*) # See PR46792 regarding target-libffi. noconfigdirs="$noconfigdirs target-libffi";; esac ;; hppa*64*-*-hpux*) noconfigdirs="$noconfigdirs target-libffi" ;; hppa*-hp-hpux11*) ;; hppa*-*-hpux*) noconfigdirs="$noconfigdirs target-libffi" ;; ia64*-*-*vms*) noconfigdirs="$noconfigdirs target-libffi" ;; i[[3456789]]86-w64-mingw*) noconfigdirs="$noconfigdirs target-libffi" ;; i[[3456789]]86-*-mingw*) noconfigdirs="$noconfigdirs target-libffi" ;; x86_64-*-mingw*) noconfigdirs="$noconfigdirs target-libffi" ;; mmix-*-*) noconfigdirs="$noconfigdirs target-libffi" ;; powerpc-*-aix*) ;; rs6000-*-aix*) ;; ft32-*-*) noconfigdirs="$noconfigdirs target-libffi" ;; *-*-lynxos*) noconfigdirs="$noconfigdirs target-libffi" ;; esac # Disable the go frontend on systems where it is known to not work. 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hppa*64*-*-linux*) ;; hppa*-*-linux*) ;; hppa*-*-*elf* | \ hppa*-*-lites* | \ hppa*-*-openbsd* | \ hppa*64*-*-*) ;; hppa*-*-pro*) ;; hppa*-*-*) noconfigdirs="$noconfigdirs ld" ;; i960-*-*) noconfigdirs="$noconfigdirs gdb" ;; ia64*-*-elf*) # No gdb support yet. noconfigdirs="$noconfigdirs readline libgui itcl gdb" ;; ia64*-**-hpux*) # No ld support yet. noconfigdirs="$noconfigdirs gdb libgui itcl ld" ;; ia64*-*-*vms*) # No ld support yet. noconfigdirs="$noconfigdirs libgui itcl ld" ;; i[[3456789]]86-w64-mingw*) ;; i[[3456789]]86-*-mingw*) target_configdirs="$target_configdirs target-winsup" ;; *-*-cygwin*) target_configdirs="$target_configdirs target-libtermcap target-winsup" noconfigdirs="$noconfigdirs target-libgloss" # always build newlib if winsup directory is present. if test -d "$srcdir/winsup/cygwin"; then skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` elif test -d "$srcdir/newlib"; then echo "Warning: winsup/cygwin is missing so newlib can't be built." fi ;; i[[3456789]]86-*-pe) noconfigdirs="$noconfigdirs target-libgloss" ;; i[[3456789]]86-*-sco3.2v5*) # The linker does not yet know about weak symbols in COFF, # and is not configured to handle mixed ELF and COFF. noconfigdirs="$noconfigdirs ld target-libgloss" ;; i[[3456789]]86-*-sco*) noconfigdirs="$noconfigdirs gprof target-libgloss" ;; i[[3456789]]86-*-solaris2* | x86_64-*-solaris2.1[[0-9]]*) noconfigdirs="$noconfigdirs target-libgloss" ;; i[[3456789]]86-*-sysv4*) noconfigdirs="$noconfigdirs target-libgloss" ;; i[[3456789]]86-*-beos*) noconfigdirs="$noconfigdirs gdb" ;; i[[3456789]]86-*-rdos*) noconfigdirs="$noconfigdirs gdb" ;; mmix-*-*) noconfigdirs="$noconfigdirs gdb" ;; mt-*-*) noconfigdirs="$noconfigdirs sim" ;; nfp-*-*) noconfigdirs="$noconfigdirs ld gas gdb gprof sim" noconfigdirs="$noconfigdirs $target_libraries" ;; pdp11-*-*) noconfigdirs="$noconfigdirs gdb gprof" ;; 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* | mips*-img-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 ld gas gprof target-libgloss" ;; mips*-*-linux*) ;; mips*-*-ultrix* | mips*-*-osf* | mips*-*-ecoff* | mips*-*-pe* \ | mips*-*-irix* | mips*-*-lnews* | mips*-*-riscos*) noconfigdirs="$noconfigdirs ld gas gprof" ;; mips*-*-*) noconfigdirs="$noconfigdirs gprof" ;; nvptx*-*-*) noconfigdirs="$noconfigdirs target-libssp target-libstdc++-v3 target-libobjc" ;; sh-*-*) 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" ;; wasm32-*-*) noconfigdirs="$noconfigdirs ld" ;; 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" ;; alpha*-linux*) host_makefile_frag="config/mh-alpha-linux" ;; 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++} GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran} GOC_FOR_BUILD=${GOC_FOR_BUILD-gccgo} GDC_FOR_BUILD=${GDC_FOR_BUILD-gdc} 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)" GFORTRAN_FOR_BUILD="\$(GFORTRAN)" GOC_FOR_BUILD="\$(GOC)" GDC_FOR_BUILD="\$(GDC)" 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([AC_LANG_SOURCE([ #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 # When bootstrapping with GCC, build stage 1 in C++11 mode to ensure that a # C++11 compiler can still start the bootstrap. Otherwise, if building GCC, # require C++11 (or higher). if test "$enable_bootstrap:$GXX" = "yes:yes"; then CXX="$CXX -std=c++11" elif test "$have_compiler" = yes; then AX_CXX_COMPILE_STDCXX(11) if test "${build}" != "${host}"; then AX_CXX_COMPILE_STDCXX(11, [], [], [_FOR_BUILD]) fi fi # 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$$s/mpc/src '"$gmpinc" # Do not test the mpc version. Assume that it is sufficient, since # it is in the source tree, and the library has not been built yet # but it would be included on the link line in the version check below # hence making the test fail. have_gmp=yes fi # Specify a location for mpfr # check for this first so it ends up on the link line before gmp. AC_ARG_WITH(mpfr-dir, [AS_HELP_STRING([--with-mpfr-dir=PATH], [this option has been REMOVED])], [AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed. Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH])]) AC_ARG_WITH(mpfr, [AS_HELP_STRING([--with-mpfr=PATH], [specify prefix directory for installed MPFR package. Equivalent to --with-mpfr-include=PATH/include plus --with-mpfr-lib=PATH/lib])]) AC_ARG_WITH(mpfr-include, [AS_HELP_STRING([--with-mpfr-include=PATH], [specify directory for installed MPFR include files])]) AC_ARG_WITH(mpfr-lib, [AS_HELP_STRING([--with-mpfr-lib=PATH], [specify directory for the installed MPFR library])]) if test "x$with_mpfr" != x; then gmplibs="-L$with_mpfr/lib $gmplibs" gmpinc="-I$with_mpfr/include $gmpinc" fi if test "x$with_mpfr_include" != x; then gmpinc="-I$with_mpfr_include $gmpinc" fi if test "x$with_mpfr_lib" != x; then gmplibs="-L$with_mpfr_lib $gmplibs" fi if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then # MPFR v3.1.0 moved the sources into a src sub-directory. if ! test -d ${srcdir}/mpfr/src; then AC_MSG_ERROR([dnl Building GCC with MPFR in the source tree is only handled for MPFR 3.1.0+.]) fi gmplibs='-L$$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" # 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 $gmpinc" # Check for the recommended and required versions of GMP. AC_MSG_CHECKING([for the correct version of gmp.h]) AC_TRY_COMPILE([#include "gmp.h"],[ #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c)) #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL) #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,3) choke me #endif ], [AC_TRY_COMPILE([#include ],[ #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c)) #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL) #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,3,2) choke me #endif ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])], [AC_MSG_RESULT([no]); have_gmp=no]) # If we have GMP, check the MPFR version. if test x"$have_gmp" = xyes; then # Check for the recommended and required versions of MPFR. 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