Mercurial > hg > CbC > CbC_gcc
view configure.ac @ 111:04ced10e8804
gcc 7
| author | kono |
|---|---|
| date | Fri, 27 Oct 2017 22:46:09 +0900 |
| parents | f6334be47118 |
| children | 84e7813d76e9 |
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# 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 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]) 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. 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 libdecnumber gmp mpfr mpc isl 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 libcc1 gotools" # 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-libcilkrts \ target-liboffloadmic \ target-libhsail-rt \ target-libatomic \ target-libitm \ target-libstdc++-v3 \ target-libsanitizer \ target-libvtv \ target-libmpx \ target-libssp \ target-libquadmath \ target-libgfortran \ target-libffi \ 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. 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. GCC_TOPLEV_SUBDIRS # Be sure to cover against remnants of an in-tree build. if test $srcdir != . && test -d $srcdir/host-${host_noncanonical}; then AC_MSG_ERROR([building out of tree but $srcdir contains host-${host_noncanonical}. Use a pristine source tree when building in a separate tree]) fi # Skipdirs are removed silently. skipdirs= # Noconfigdirs are removed loudly. noconfigdirs="" use_gnu_ld= # Make sure we don't let GNU ld be added if we didn't want it. if test x$with_gnu_ld = xno ; then use_gnu_ld=no noconfigdirs="$noconfigdirs ld gold" fi use_gnu_as= # Make sure we don't let GNU as be added if we didn't want it. if test x$with_gnu_as = xno ; then use_gnu_as=no noconfigdirs="$noconfigdirs gas" fi use_included_zlib= AC_ARG_WITH(system-zlib, [AS_HELP_STRING([--with-system-zlib], [use installed libz])]) # Make sure we don't let ZLIB be added if we didn't want it. if test x$with_system_zlib = xyes ; then use_included_zlib=no noconfigdirs="$noconfigdirs zlib" fi # some tools are so dependent upon X11 that if we're not building with X, # it's not even worth trying to configure, much less build, that tool. case ${with_x} in yes | "") ;; # the default value for this tree is that X11 is available no) skipdirs="${skipdirs} tk itcl libgui" # We won't be able to build gdbtk without X. enable_gdbtk=no ;; *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;; esac # Some are only suitable for cross toolchains. # Remove these if host=target. cross_only="target-libgloss target-newlib target-opcodes" case $is_cross_compiler in no) skipdirs="${skipdirs} ${cross_only}" ;; esac # If both --with-headers and --with-libs are specified, default to # --without-newlib. if test x"${with_headers}" != x && test x"${with_headers}" != xno \ && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then if test x"${with_newlib}" = x ; then with_newlib=no fi fi # Recognize --with-newlib/--without-newlib. case ${with_newlib} in no) skipdirs="${skipdirs} target-newlib" ;; yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;; esac AC_ARG_ENABLE(as-accelerator-for, [AS_HELP_STRING([--enable-as-accelerator-for=ARG], [build as offload target compiler. Specify offload host triple by ARG])]) AC_ARG_ENABLE(offload-targets, [AS_HELP_STRING([--enable-offload-targets=LIST], [enable offloading to devices from comma-separated LIST of TARGET[=DIR]. Use optional path to find offload target compiler during the build])], [ if test x"$enable_offload_targets" = x; then AC_MSG_ERROR([no offload targets specified]) fi ], [enable_offload_targets=]) # Handle --enable-gold, --enable-ld. # --disable-gold [--enable-ld] # Build only ld. Default option. # --enable-gold [--enable-ld] # Build both gold and ld. Install gold as "ld.gold", install ld # as "ld.bfd" and "ld". # --enable-gold=default [--enable-ld] # Build both gold and ld. Install gold as "ld.gold" and "ld", # install ld as "ld.bfd". # --enable-gold[=default] --disable-ld # Build only gold, which is then installed as both "ld.gold" and "ld". # --enable-gold --enable-ld=default # Build both gold (installed as "ld.gold") and ld (installed as "ld" # and ld.bfd). # In other words, ld is default # --enable-gold=default --enable-ld=default # Error. default_ld= AC_ARG_ENABLE(gold, [AS_HELP_STRING([[--enable-gold[=ARG]]], [build gold @<:@ARG={default,yes,no}@:>@])], ENABLE_GOLD=$enableval, ENABLE_GOLD=no) case "${ENABLE_GOLD}" in yes|default) # Check for ELF target. is_elf=no case "${target}" in *-*-elf* | *-*-sysv4* | *-*-unixware* | *-*-eabi* | hppa*64*-*-hpux* \ | *-*-linux* | *-*-gnu* | frv-*-uclinux* | *-*-irix5* | *-*-irix6* \ | *-*-netbsd* | *-*-openbsd* | *-*-freebsd* | *-*-dragonfly* \ | *-*-solaris2* | *-*-nto* | *-*-nacl*) case "${target}" in *-*-linux*aout* | *-*-linux*oldld*) ;; *) is_elf=yes ;; esac esac if test "$is_elf" = "yes"; then # Check for target supported by gold. case "${target}" in i?86-*-* | x86_64-*-* | sparc*-*-* | powerpc*-*-* | arm*-*-* \ | aarch64*-*-* | tilegx*-*-* | mips*-*-* | s390*-*-*) configdirs="$configdirs gold" if test x${ENABLE_GOLD} = xdefault; then default_ld=gold fi ENABLE_GOLD=yes ;; esac fi ;; no) ;; *) AC_MSG_ERROR([invalid --enable-gold argument]) ;; esac AC_ARG_ENABLE(ld, [AS_HELP_STRING([[--enable-ld[=ARG]]], [build ld @<:@ARG={default,yes,no}@:>@])], ENABLE_LD=$enableval, ENABLE_LD=yes) case "${ENABLE_LD}" in default) if test x${default_ld} != x; then AC_MSG_ERROR([either gold or ld can be the default ld]) fi ;; yes) ;; no) if test x${ENABLE_GOLD} != xyes; then AC_MSG_WARN([neither ld nor gold are enabled]) fi configdirs=`echo " ${configdirs} " | sed -e 's/ ld / /'` ;; *) AC_MSG_ERROR([invalid --enable-ld argument]) ;; esac # PR gas/19109 # Decide the default method for compressing debug sections. # Provide a configure time option to override our default. 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*-*-*) ;; *) 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 libcilkrts on unsupported systems. if test -d ${srcdir}/libcilkrts; then if test x$enable_libcilkrts = x; then AC_MSG_CHECKING([for libcilkrts support]) if (srcdir=${srcdir}/libcilkrts; \ . ${srcdir}/configure.tgt; \ test -n "$UNSUPPORTED") then AC_MSG_RESULT([no]) noconfigdirs="$noconfigdirs target-libcilkrts" 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 # Enable libmpx on supported systems by request. if test -d ${srcdir}/libmpx; then if test x$enable_libmpx = x; then AC_MSG_CHECKING([for libmpx support]) if (srcdir=${srcdir}/libmpx; \ . ${srcdir}/configure.tgt; \ test "$LIBMPX_SUPPORTED" != "yes") then AC_MSG_RESULT([no]) noconfigdirs="$noconfigdirs target-libmpx" 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; \ . ${srcdir}/configure.tgt; \ test -n "$UNSUPPORTED") then AC_MSG_RESULT([no]) unsupported_languages="$unsupported_languages brig" # This implicitly disables also target-libhsail-rt as it won't # get added to the build without BRIG FE. else AC_MSG_RESULT([yes]) fi fi fi # Disable libquadmath for some systems. case "${target}" in avr-*-*) noconfigdirs="$noconfigdirs target-libquadmath" ;; # libquadmath is unused on AIX and libquadmath build process use of # LD_LIBRARY_PATH can break AIX bootstrap. powerpc-*-aix* | rs6000-*-aix*) noconfigdirs="$noconfigdirs target-libquadmath" ;; 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" ;; visium-*-*) # No hosted I/O support. 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" ;; ft32-*-*) 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" ;; esac # Disable libffi for some systems. case "${target}" in powerpc-*-darwin*) ;; i[[3456789]]86-*-darwin*) ;; x86_64-*-darwin[[912]]*) ;; *-*-darwin*) noconfigdirs="$noconfigdirs target-libffi" ;; *-*-netware*) noconfigdirs="$noconfigdirs target-libffi" ;; *-*-phoenix*) noconfigdirs="$noconfigdirs target-libffi" ;; *-*-rtems*) noconfigdirs="$noconfigdirs target-libffi" ;; *-*-tpf*) noconfigdirs="$noconfigdirs target-libffi" ;; *-*-uclinux*) noconfigdirs="$noconfigdirs target-libffi" ;; *-*-vxworks*) noconfigdirs="$noconfigdirs target-libffi" ;; aarch64*-*-freebsd*) noconfigdirs="$noconfigdirs target-libffi" ;; alpha*-*-*vms*) noconfigdirs="$noconfigdirs target-libffi" ;; arm*-*-freebsd*) noconfigdirs="$noconfigdirs target-libffi" ;; arm-wince-pe) noconfigdirs="$noconfigdirs target-libffi" ;; arm*-*-symbianelf*) noconfigdirs="$noconfigdirs target-libffi" ;; cris-*-* | crisv32-*-*) case "${target}" in *-*-linux*) ;; *) # 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. Please keep # this in sync with contrib/config-list.mk. case "${target}" in *-*-darwin* | *-*-cygwin* | *-*-mingw*) unsupported_languages="$unsupported_languages go" ;; esac # Disable libgo for some systems where it is known to not work. # For testing, you can easily override this with --enable-libgo. if test x$enable_libgo = x; then case "${target}" in *-*-darwin*) # PR 46986 noconfigdirs="$noconfigdirs target-libgo" ;; *-*-cygwin* | *-*-mingw*) noconfigdirs="$noconfigdirs target-libgo" ;; esac fi # Default libgloss CPU subdirectory. libgloss_dir="$target_cpu" case "${target}" in sh*-*-pe|mips*-*-pe|*arm-wince-pe) libgloss_dir=wince ;; aarch64*-*-* ) libgloss_dir=aarch64 ;; arm*-*-*) libgloss_dir=arm ;; cris-*-* | crisv32-*-*) libgloss_dir=cris ;; hppa*-*-*) libgloss_dir=pa ;; i[[3456789]]86-*-*) libgloss_dir=i386 ;; m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*) libgloss_dir=m68hc11 ;; m68*-*-* | fido-*-*) libgloss_dir=m68k ;; mips*-*-*) libgloss_dir=mips ;; powerpc*-*-*) libgloss_dir=rs6000 ;; sparc*-*-*) libgloss_dir=sparc ;; esac # Disable newlib and libgloss for various target OSes. case "${target}" in alpha*-dec-osf*) noconfigdirs="$noconfigdirs target-newlib target-libgloss" ;; i[[3456789]]86-*-linux*) # This section makes it possible to build newlib natively on linux. # If we are using a cross compiler then don't configure newlib. if test x${is_cross_compiler} != xno ; then noconfigdirs="$noconfigdirs target-newlib" fi noconfigdirs="$noconfigdirs target-libgloss" # If we are not using a cross compiler, do configure newlib. # Note however, that newlib will only be configured in this situation # if the --with-newlib option has been given, because otherwise # 'target-newlib' will appear in skipdirs. ;; i[[3456789]]86-*-rdos*) noconfigdirs="$noconfigdirs target-newlib target-libgloss" ;; sh*-*-pe|mips*-*-pe|arm-wince-pe) noconfigdirs="$noconfigdirs target-newlib target-libgloss" ;; sparc-*-sunos4*) noconfigdirs="$noconfigdirs target-newlib target-libgloss" ;; *-*-aix*) noconfigdirs="$noconfigdirs target-newlib target-libgloss" ;; 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esac ;; # The tpf target doesn't support gdb yet. *-*-tpf*) noconfigdirs="$noconfigdirs gdb tcl tk libgui itcl" ;; *-*-uclinux*) noconfigdirs="$noconfigdirs target-rda" ;; *-*-vxworks*) ;; alpha*-dec-osf*) # ld works, but does not support shared libraries. # gas doesn't generate exception information. noconfigdirs="$noconfigdirs gas ld" ;; alpha*-*-*vms*) noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss" ;; alpha*-*-*) # newlib is not 64 bit ready noconfigdirs="$noconfigdirs target-newlib target-libgloss" ;; sh*-*-pe|mips*-*-pe|*arm-wince-pe) noconfigdirs="$noconfigdirs tcl tk itcl libgui sim" ;; arc*-*-*) noconfigdirs="$noconfigdirs sim" ;; arm-*-pe*) noconfigdirs="$noconfigdirs target-libgloss" ;; arm-*-riscix*) noconfigdirs="$noconfigdirs ld target-libgloss" ;; avr-*-*) if test x${with_avrlibc} != xno; then noconfigdirs="$noconfigdirs target-newlib target-libgloss" fi ;; c4x-*-* | tic4x-*-*) noconfigdirs="$noconfigdirs target-libgloss" ;; tic54x-*-*) noconfigdirs="$noconfigdirs target-libgloss gdb" ;; 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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" ;; 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" ;; or1k*-*-*) noconfigdirs="$noconfigdirs gdb" ;; 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" ;; 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} 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)" 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 # When bootstrapping with GCC, build stage 1 in C++98 mode to ensure that a # C++98 compiler can still start the bootstrap. if test "$enable_bootstrap:$GXX" = "yes:yes"; then CXX="$CXX -std=gnu++98" 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 $gmpinc" # Check for the recommended and required versions of GMP. AC_MSG_CHECKING([for the correct version of gmp.h]) AC_TRY_COMPILE([#include "gmp.h"],[ #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c)) #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL) #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,3) choke me #endif ], [AC_TRY_COMPILE([#include <gmp.h>],[ #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c)) #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL) #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,3,2) choke me #endif ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])], [AC_MSG_RESULT([no]); have_gmp=no]) # If we have GMP, check the MPFR version. if test x"$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+. 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It's still worthwhile to use a cache file for each # directory. I think. # Pass the appropriate --build, --host, --target and --cache-file arguments. # We need to pass --target, as newer autoconf's requires consistency # for target_alias and gcc doesn't manage it consistently. target_configargs="--cache-file=./config.cache ${target_configargs}" FLAGS_FOR_TARGET= case " $target_configdirs " in *" newlib "*) case " $target_configargs " in *" --with-newlib "*) case "$target" in *-cygwin*) FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/cygwin -isystem $$s/winsup/cygwin/include' ;; esac # If we're not building GCC, don't discard standard headers. if test -d ${srcdir}/gcc; then FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc' if test "${build}" != "${host}"; then # On Canadian crosses, CC_FOR_TARGET will have already been set # by `configure', so we won't have an opportunity to add -Bgcc/ # to it. 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FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include' fi if test "x${use_gnu_ld}" = x && echo " ${configdirs} " | grep " ld " > /dev/null ; then # Arrange for us to find uninstalled linker scripts. 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AC_ARG_WITH([build-time-tools], [AS_HELP_STRING([--with-build-time-tools=PATH], [use given path to find target tools during the build])], [case x"$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, ${CC_FOR_TARGET}) NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran) NCN_STRICT_CHECK_TARGET_TOOLS(GOC_FOR_TARGET, gccgo) ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar) ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as) ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool) ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld) ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo) ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm) ACX_CHECK_INSTALLED_TARGET_TOOL(OBJCOPY_FOR_TARGET, objcopy) ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump) ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib) ACX_CHECK_INSTALLED_TARGET_TOOL(READELF_FOR_TARGET, readelf) ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip) ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres) ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc) RAW_CXX_FOR_TARGET="$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 -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/libsupc++/.libs], c++) GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX, [gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/libsupc++/.libs], c++) GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool]) GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/]) GCC_TARGET_TOOL(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/$(HOST_SUBDIR)/gcc/], go) GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new]) GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO) GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new]) GCC_TARGET_TOOL(objcopy, OBJCOPY_FOR_TARGET, OBJCOPY, [binutils/objcopy]) GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump]) GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib]) GCC_TARGET_TOOL(readelf, READELF_FOR_TARGET, READELF, [binutils/readelf]) GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip-new]) GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres]) GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc]) AC_SUBST(FLAGS_FOR_TARGET) AC_SUBST(RAW_CXX_FOR_TARGET) # Certain tools may need extra flags. 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COMPILER_AS_FOR_TARGET='$(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. 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