# 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, 2022 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/gcc-plugin.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 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-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. 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 AC_ARG_WITH(zstd, [AS_HELP_STRING([--with-zstd], [Support zstd compressed debug sections (default=auto)])]) # 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=]) AC_ARG_ENABLE(offload-defaulted, [AS_HELP_STRING([--enable-offload-defaulted] [If enabled, configured but not installed offload compilers and libgomp plugins are silently ignored. Useful for distribution compilers where those are in separate optional packages.])], [enable_offload_defaulted=$enableval], [enable_offload_defaulted=]) # 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*-*-* | loongarch*-*-*) 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 AC_ARG_ENABLE(gprofng, [AS_HELP_STRING([[--enable-gprofng[=ARG]]], [build gprofng @<:@ARG={yes,no}@:>@])], enable_gprofng=$enableval, enable_gprofng=yes) if test "$enable_gprofng" = "yes"; then case "${target}" in x86_64-*-linux* | i?86-*-linux* | aarch64-*-linux*) configdirs="$configdirs gprofng" ;; esac fi # 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=]) # Select default compression algorithm. AC_ARG_ENABLE(default_compressed_debug_sections_algorithm, [AS_HELP_STRING([--enable-default-compressed-debug-sections-algorithm={zlib,zstd}], [Default compression algorithm for --enable-compressed-debug-sections.])], [], [default_compressed_debug_sections_algorithm=]) # 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 # Default to --disable-year2038 until we can handle differences between # projects that use gnulib (which understands year 2038) and projects that # do not (like BFD). AC_ARG_ENABLE(year2038, AS_HELP_STRING([--enable-year2038], [enable support for timestamps past the year 2038]), ENABLE_YEAR2038=$enableval, ENABLE_YEAR2038=no) enable_year2038= if test "${ENABLE_YEAR2038}" = "no" ; then enable_year2038=no fi 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 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" ;; bpf-*-*) noconfigdirs="$noconfigdirs target-libssp" ;; powerpc-*-aix* | rs6000-*-aix*) noconfigdirs="$noconfigdirs target-libssp" ;; pru-*-*) # No hosted I/O support. 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-libstdcxx if test "${ENABLE_LIBSTDCXX}" = "default" ; then case "${target}" in *-*-vxworks*) # VxWorks uses the Dinkumware C++ library. noconfigdirs="$noconfigdirs target-libstdc++-v3" ;; amdgcn*-*-*) # Not ported/fails to build when using newlib. 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" ;; bpf-*-*) noconfigdirs="$noconfigdirs target-libstdc++-v3" ;; ft32-*-*) noconfigdirs="$noconfigdirs target-libstdc++-v3" ;; esac fi # Disable C++ on systems where it is known to not work. # For testing, you can override this with --enable-languages=c++. case ,${enable_languages}, in *,c++,*) ;; *) case "${target}" in bpf-*-*) unsupported_languages="$unsupported_languages c++" ;; esac ;; esac # Disable Objc on systems where it is known to not work. # For testing, you can override this with --enable-languages=objc. case ,${enable_languages}, in *,objc,*) ;; *) case "${target}" in bpf-*-*) unsupported_languages="$unsupported_languages objc" ;; esac ;; esac # Disable D on systems where it is known to not work. # For testing, you can override this with --enable-languages=d. case ,${enable_languages}, in *,d,*) ;; *) case "${target}" in bpf-*-*) unsupported_languages="$unsupported_languages d" ;; esac ;; esac # Disable libphobos on unsupported systems. # For testing, you can override this with --enable-libphobos. if test -d ${srcdir}/libphobos; then if test x$enable_libphobos = x; then AC_MSG_CHECKING([for libphobos support]) if (srcdir=${srcdir}/libphobos; \ . ${srcdir}/configure.tgt; \ test "$LIBPHOBOS_SUPPORTED" != "yes") then AC_MSG_RESULT([no]) noconfigdirs="$noconfigdirs target-libphobos" else AC_MSG_RESULT([yes]) fi fi fi # Disable Fortran for some systems. case "${target}" in mmix-*-*) # See . unsupported_languages="$unsupported_languages fortran" ;; bpf-*-*) 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" ;; bpf-*-*) 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* | bpf-* ) unsupported_languages="$unsupported_languages go" ;; esac # Only allow gdbserver on some systems. if test -d ${srcdir}/gdbserver; then if test x$enable_gdbserver = x; then AC_MSG_CHECKING([for gdbserver support]) if (srcdir=${srcdir}/gdbserver; \ . ${srcdir}/configure.srv; \ test -n "$UNSUPPORTED") then AC_MSG_RESULT([no]) noconfigdirs="$noconfigdirs gdbserver" else AC_MSG_RESULT([yes]) fi fi fi # 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" ;; bpf-*-*) 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 ;; loongarch*-*-*) libgloss_dir=loongarch ;; m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*) libgloss_dir=m68hc11 ;; m68*-*-* | fido-*-*) libgloss_dir=m68k ;; mips*-*-*) libgloss_dir=mips ;; powerpc*-*-*) libgloss_dir=rs6000 ;; pru-*-*) libgloss_dir=pru ;; 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" ;; bpf-*-*) noconfigdirs="$noconfigdirs target-newlib target-libgloss" ;; *-*-aix*) noconfigdirs="$noconfigdirs target-newlib target-libgloss" ;; *-*-beos*) noconfigdirs="$noconfigdirs target-newlib target-libgloss" ;; *-*-chorusos) noconfigdirs="$noconfigdirs target-newlib target-libgloss" ;; *-*-dragonfly*) noconfigdirs="$noconfigdirs target-newlib target-libgloss" ;; *-*-freebsd*) noconfigdirs="$noconfigdirs target-newlib target-libgloss" ;; *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu) noconfigdirs="$noconfigdirs target-newlib target-libgloss" ;; *-*-lynxos*) noconfigdirs="$noconfigdirs target-newlib target-libgloss" ;; *-*-mingw*) noconfigdirs="$noconfigdirs target-newlib target-libgloss" ;; *-*-netbsd*) noconfigdirs="$noconfigdirs target-newlib target-libgloss" ;; *-*-netware*) noconfigdirs="$noconfigdirs target-newlib target-libgloss" ;; *-*-tpf*) noconfigdirs="$noconfigdirs target-newlib target-libgloss" ;; *-*-uclinux*) noconfigdirs="$noconfigdirs target-newlib target-libgloss" ;; *-*-vxworks*) noconfigdirs="$noconfigdirs target-newlib target-libgloss" ;; esac case "${target}" in *-*-chorusos) ;; aarch64-*-darwin*) noconfigdirs="$noconfigdirs ld gas gdb gprof" noconfigdirs="$noconfigdirs sim target-rda" ;; amdgcn*-*-*) ;; arm-*-darwin*) noconfigdirs="$noconfigdirs ld gas gdb gprof" noconfigdirs="$noconfigdirs sim target-rda" ;; powerpc-*-darwin*) noconfigdirs="$noconfigdirs ld gas gdb gprof" noconfigdirs="$noconfigdirs sim target-rda" ;; i[[3456789]]86-*-darwin*) noconfigdirs="$noconfigdirs ld gprof" noconfigdirs="$noconfigdirs sim target-rda" ;; x86_64-*-darwin[[912]]*) noconfigdirs="$noconfigdirs ld gas gprof" noconfigdirs="$noconfigdirs sim target-rda" ;; *-*-darwin*) noconfigdirs="$noconfigdirs ld gas gdb gprof" noconfigdirs="$noconfigdirs sim target-rda" ;; *-*-dragonfly*) ;; *-*-freebsd*) if test "x$with_gmp" = x \ && ! test -d ${srcdir}/gmp \ && test -f /usr/local/include/gmp.h; then with_gmp=/usr/local fi ;; *-*-kaos*) # Remove unsupported stuff on all kaOS configurations. noconfigdirs="$noconfigdirs target-libgloss" ;; *-*-netbsd*) ;; *-*-netware*) ;; *-*-phoenix*) noconfigdirs="$noconfigdirs target-libgloss" ;; *-*-rtems*) noconfigdirs="$noconfigdirs target-libgloss" ;; # 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" ;; bpf-*-*) noconfigdirs="$noconfigdirs target-libobjc target-libbacktrace" ;; 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" ;; d10v-*-*) noconfigdirs="$noconfigdirs target-libgloss" ;; d30v-*-*) noconfigdirs="$noconfigdirs gdb" ;; fr30-*-elf*) noconfigdirs="$noconfigdirs gdb" ;; ft32-*-*) noconfigdirs="$noconfigdirs target-rda gprof" ;; moxie-*-*) noconfigdirs="$noconfigdirs" ;; h8300*-*-*) noconfigdirs="$noconfigdirs target-libgloss" ;; h8500-*-*) noconfigdirs="$noconfigdirs target-libgloss" ;; hppa1.1-*-osf* | hppa1.1-*-bsd* ) ;; hppa*64*-*-hpux*) noconfigdirs="$noconfigdirs gdb" ;; hppa*-*-hpux11*) noconfigdirs="$noconfigdirs gdb ld" ;; 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" ;; loongarch*-*-linux*) ;; loongarch*-*-*) noconfigdirs="$noconfigdirs gprof" ;; 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" ;; i?86-*-darwin[[89]]* | i?86-*-darwin1[[0-7]]* | powerpc*-*-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} CPP_FOR_BUILD="${CPP_FOR_BUILD-\$(CC_FOR_BUILD) -E}" CXX_FOR_BUILD=${CXX_FOR_BUILD-g++} DSYMUTIL_FOR_BUILD=${DSYMUTIL_FOR_BUILD-dsymutil} 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)" DSYMUTIL_FOR_BUILD="\$(DSYMUTIL)" 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_C99 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_GDC 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 AC_ARG_ENABLE([pgo-build], [AS_HELP_STRING([--enable-pgo-build[[=lto]]], [enable the PGO build])], [enable_pgo_build=$enableval], [enable_pgo_build=no]) # Issue errors and warnings for invalid/strange PGO build combinations. case "$have_compiler:$host:$target:$enable_pgo_build" in *:*:*:no) ;; # Allow the PGO build only if we aren't building a compiler and # we are in a native configuration. no:$build:$build:yes | no:$build:$build:lto) ;; # Disallow the PGO bootstrap if we are building a compiler. yes:*:*:yes | yes:*:*:lto) AC_MSG_ERROR([cannot perform the PGO bootstrap when building a compiler]) ;; *) AC_MSG_ERROR([invalid option for --enable-pgo-build]) ;; esac if test "$enable_pgo_build" != "no"; then AC_MSG_CHECKING([whether the compiler supports -fprofile-generate]) old_CFLAGS="$CFLAGS" PGO_BUILD_GEN_CFLAGS="-fprofile-generate" CFLAGS="$CFLAGS $PGO_BUILD_CFLAGS" AC_COMPILE_IFELSE([AC_LANG_SOURCE([int foo;])],, [PGO_BUILD_GEN_CFLAGS=]) CFLAGS="$old_CFLAGS" if test -n "$PGO_BUILD_GEN_CFLAGS"; then AC_MSG_RESULT([yes]) PGO_BUILD_USE_CFLAGS="-fprofile-use" else AC_MSG_RESULT([no]) AC_MSG_ERROR([cannot perform the PGO build without -fprofile-generate]) fi if test "$enable_pgo_build" = "lto"; then AC_MSG_CHECKING([whether the compiler supports -flto=jobserver -ffat-lto-objects]) old_CFLAGS="$CFLAGS" PGO_BUILD_LTO_CFLAGS="-flto=jobserver -ffat-lto-objects" CFLAGS="$CFLAGS $PGO_BUILD_LTO_CFLAGS" AC_COMPILE_IFELSE([AC_LANG_SOURCE([int foo;])],, [PGO_BUILD_LTO_CFLAGS=]) CFLAGS="$old_CFLAGS" if test -n "$PGO_BUILD_LTO_CFLAGS"; then AC_MSG_RESULT([yes]) else AC_MSG_RESULT([no]) AC_MSG_WARN([LTO is disabled for the PGO build]) fi fi fi AC_SUBST(PGO_BUILD_GEN_CFLAGS) AC_SUBST(PGO_BUILD_USE_CFLAGS) AC_SUBST(PGO_BUILD_LTO_CFLAGS) # 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$$s/mpc/src '"$gmpinc" # Do not test the mpc version. Assume that it is sufficient, since # it is in the source tree, and the library has not been built yet # but it would be included on the link line in the version check below # hence making the test fail. have_gmp=yes fi # Specify a location for mpfr # check for this first so it ends up on the link line before gmp. AC_ARG_WITH(mpfr, [AS_HELP_STRING([--with-mpfr=PATH], [specify prefix directory for installed MPFR package. Equivalent to --with-mpfr-include=PATH/include plus --with-mpfr-lib=PATH/lib])]) AC_ARG_WITH(mpfr-include, [AS_HELP_STRING([--with-mpfr-include=PATH], [specify directory for installed MPFR include files])]) AC_ARG_WITH(mpfr-lib, [AS_HELP_STRING([--with-mpfr-lib=PATH], [specify directory for the installed MPFR library])]) if test "x$with_mpfr" != x; then gmplibs="-L$with_mpfr/lib $gmplibs" gmpinc="-I$with_mpfr/include $gmpinc" fi if test "x$with_mpfr_include" != x; then gmpinc="-I$with_mpfr_include $gmpinc" fi if test "x$with_mpfr_lib" != x; then gmplibs="-L$with_mpfr_lib $gmplibs" fi if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then # MPFR v3.1.0 moved the sources into a src sub-directory. if ! test -d ${srcdir}/mpfr/src; then AC_MSG_ERROR([dnl Building GCC with MPFR in the source tree is only handled for MPFR 3.1.0+.]) fi gmplibs='-L$$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, [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. AC_MSG_CHECKING([for the correct version of mpfr.h]) AC_TRY_COMPILE([#include #include ],[ #if MPFR_VERSION < MPFR_VERSION_NUM(3,1,0) choke me #endif ], [AC_TRY_COMPILE([#include #include ],[ #if MPFR_VERSION < MPFR_VERSION_NUM(3,1,6) 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"$have_gmp" = xyes ; then # Check for the recommended and required versions of MPC. AC_MSG_CHECKING([for the correct version of mpc.h]) AC_TRY_COMPILE([#include ],[ #if MPC_VERSION < MPC_VERSION_NUM(0,8,0) choke me #endif ], [AC_TRY_COMPILE([#include ],[ #if MPC_VERSION < MPC_VERSION_NUM(0,8,1) choke me #endif ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])], [AC_MSG_RESULT([no]); have_gmp=no]) fi # Now check the MPFR library. if test x"$have_gmp" = xyes; then saved_LIBS="$LIBS" LIBS="$LIBS $gmplibs" AC_MSG_CHECKING([for the correct version of the gmp/mpfr/mpc libraries]) AC_TRY_LINK([#include ],[ mpfr_t n; mpfr_t x; mpc_t c; int t; mpfr_init (n); mpfr_init (x); mpfr_atan2 (n, n, x, MPFR_RNDN); mpfr_erfc (n, x, MPFR_RNDN); mpfr_subnormalize (x, t, MPFR_RNDN); mpfr_clear(n); mpfr_clear(x); mpc_init2 (c, 53); mpc_set_ui_ui (c, 1, 1, MPC_RNDNN); mpc_cosh (c, c, MPC_RNDNN); mpc_pow (c, c, c, MPC_RNDNN); mpc_acosh (c, c, MPC_RNDNN); mpc_clear (c); ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no]) LIBS="$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 3.1.0+ 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 https://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) # 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=$withval fi], [stage1_libs=]) AC_SUBST(stage1_libs) # Whether or not to use -static-libstdc++ and -static-libgcc. The # default is yes if gcc is being built; no otherwise. The reason for # this default is that gdb is sometimes linked against GNU Source # Highlight, which is a shared library that uses C++ exceptions. In # this case, -static-libstdc++ will cause crashes. AC_ARG_WITH(static-standard-libraries, [AS_HELP_STRING([--with-static-standard-libraries], [use -static-libstdc++ and -static-libgcc (default=auto)])], [], [with_static_standard_libraries=auto]) if test "$with_static_standard_libraries" = auto; then with_static_standard_libraries=$have_compiler fi # Linker flags to use for stage1 or when not bootstrapping. AC_ARG_WITH(stage1-ldflags, [AS_HELP_STRING([--with-stage1-ldflags=FLAGS], [linker flags for stage1])], [if test "$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 "$with_static_standard_libraries" = yes -a "$stage1_libs" = "" \ -a "$have_static_libs" = yes; then stage1_ldflags="-static-libstdc++ -static-libgcc" fi]) AC_SUBST(stage1_ldflags) # Libraries to use for stage2 and later builds. AC_ARG_WITH(boot-libs, [AS_HELP_STRING([--with-boot-libs=LIBS], [libraries for stage2 and later])], [if test "$withval" = "no" -o "$withval" = "yes"; then poststage1_libs= else poststage1_libs=$withval fi], [poststage1_libs=]) 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 dependency isl. # Basic setup is inlined here, actual checks are in config/isl.m4 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 --without-isl as a request to disable # GRAPHITE support and skip all following checks. if test "x$with_isl" != "xno"; then # Check for isl dnl Provide configure switches and initialize islinc & isllibs dnl with user input. ISL_INIT_FLAGS dnl The versions of isl that work for Graphite ISL_CHECK_VERSION() dnl Only execute fail-action, if isl has been requested. ISL_IF_FAILED([ AC_MSG_ERROR([Unable to find a usable isl. See config.log for details.])]) fi # If the isl check failed, disable builds of in-tree variant of isl if test "x$with_isl" = xno || test "x$gcc_cv_isl" = xno; then noconfigdirs="$noconfigdirs isl" islinc= fi AC_SUBST(isllibs) AC_SUBST(islinc) # 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-darwin[[912]]* | *-cygwin* | *-mingw* | *djgpp*) ;; # 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 $target in *-cygwin* | *-mingw* | *-apple-darwin* | *djgpp*) ;; *) if test x"$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 ]) AC_ARG_ENABLE(linker-plugin-configure-flags, [AS_HELP_STRING([[--enable-linker-plugin-configure-flags=FLAGS]], [additional flags for configuring linker plugins @<:@none@:>@])], extra_linker_plugin_configure_flags=$enableval, extra_linker_plugin_configure_flags=) AC_SUBST(extra_linker_plugin_configure_flags) AC_ARG_ENABLE(linker-plugin-flags, [AS_HELP_STRING([[--enable-linker-plugin-flags=FLAGS]], [additional flags for configuring and building linker plugins @<:@none@:>@])], extra_linker_plugin_flags=$enableval, extra_linker_plugin_flags=) AC_SUBST(extra_linker_plugin_flags) # Enable --enable-host-shared. # Checked early to determine whether jit is an 'all' language AC_ARG_ENABLE(host-shared, [AS_HELP_STRING([--enable-host-shared], [build host code as shared libraries])], [host_shared=$enableval case $host in x86_64-*-darwin* | aarch64-*-darwin*) if test x$host_shared != xyes ; then # PIC is the default, and actually cannot be switched off. echo configure.ac: warning: PIC code is required for the configured target, host-shared setting ignored. 1>&2 host_shared=yes fi ;; *) ;; esac], [case $host in x86_64-*-darwin* | aarch64-*-darwin*) host_shared=yes ;; *) host_shared=no ;; esac]) AC_SUBST(host_shared) # 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.ac: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2 else enable_languages=default fi else if test x"${enable_languages}" = x || test x"${enable_languages}" = xyes; then echo configure.ac: --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 ,${enable_languages}, in *,f95,*) echo configure.ac: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2 enable_languages=`echo "${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 # $lang_requires_boot_languages. language= lang_requires= lang_requires_boot_languages= # set srcdir during sourcing lang_frag to the gcc dir. # Sadly overriding srcdir on the . line doesn't work in plain sh as it # polutes this shell saved_srcdir=${srcdir} srcdir=${srcdir}/gcc . ${lang_frag} srcdir=${saved_srcdir} for other in ${lang_requires} ${lang_requires_boot_languages}; do case ,${enable_languages}, in *,$other,*) ;; *,default,*) ;; *,all,*) ;; *,$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,*) ;; *,default,*) ;; *,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. 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="$configdirs lto-plugin" fi fi # If we're building an offloading compiler, add the LTO front end. if test x"$enable_as_accelerator_for" != x ; then case ,${enable_languages}, in *,lto,*) ;; *) enable_languages="${enable_languages},lto" ;; esac fi missing_languages=`echo ",$enable_languages," | sed -e s/,default,/,/ -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 $build_by_default language= target_libs= lang_dirs= subdir_requires= boot_language=no build_by_default=yes # set srcdir during sourcing. See above about save & restore saved_srcdir=${srcdir} srcdir=${srcdir}/gcc . ${lang_frag} srcdir=${saved_srcdir} if test x${language} = x; then echo "${lang_frag} doesn't set \$language." 1>&2 exit 1 fi if test "$language" = "c++"; then boot_language=yes fi add_this_lang=no # C is always enabled, so no need to add it again if test "$language" != "c"; then case ,${enable_languages}, in *,${language},*) # Language was explicitly selected; include it add_this_lang=yes ;; *,all,*) # All languages are enabled add_this_lang=all ;; *,default,*) # 'default' was selected, select it if it is a default language add_this_lang=${build_by_default} ;; esac fi # 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 ${add_this_lang} in yes) # Specifically requested language; tell them. AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing]) ;; all) AC_MSG_WARN([The gcc/$i directory contains parts of $language but is missing]) add_this_lang=unsupported ;; *) # Silently disable. add_this_lang=unsupported ;; esac done # Disable Ada if no preexisting GNAT is available. case ${add_this_lang}:${language}:${have_gnat} in yes:ada:no) # Specifically requested language; tell them. AC_MSG_ERROR([GNAT is required to build $language]) ;; all:ada:no) AC_MSG_WARN([GNAT is required to build $language]) add_this_lang=unsupported ;; *:ada:no) # Silently disable. add_this_lang=unsupported ;; esac # Disable D if no preexisting GDC is available. case ${add_this_lang}:${language}:${have_gdc} in yes:d:no) # Specifically requested language; tell them. AC_MSG_ERROR([GDC is required to build $language]) ;; all:d:no) AC_MSG_WARN([GDC is required to build $language]) add_this_lang=unsupported ;; *:d:no) # Silently disable. add_this_lang=unsupported ;; esac # Disable jit if -enable-host-shared not specified # but not if building for Mingw. All code in Windows # is position independent code (PIC). case $target in *mingw*) ;; *) case ${add_this_lang}:${language}:${host_shared} in yes:jit:no) # PR jit/64780: explicitly specify --enable-host-shared AC_MSG_ERROR([ Enabling language "jit" requires --enable-host-shared. --enable-host-shared typically slows the rest of the compiler down by a few %, so you must explicitly enable it. If you want to build both the jit and the regular compiler, it is often best to do this via two separate configure/builds, in separate directories, to avoid imposing the performance cost of --enable-host-shared on the regular compiler.]) ;; all:jit:no) AC_MSG_WARN([--enable-host-shared required to build $language]) add_this_lang=unsupported ;; *:jit:no) # Silently disable. add_this_lang=unsupported ;; esac ;; esac # Disable a language that is unsupported by the target. case "${add_this_lang}: $unsupported_languages " in no:*) ;; unsupported:*) ;; *:*" $language "*) AC_MSG_WARN([${language} not supported for this target]) 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}${language}," ;; all|yes) new_enable_languages="${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=`echo "${bootstrap_target_libs}${target_libs}," | sed "s/ /,/g"` ;; 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 $dir" ;; esac done fi AC_ARG_ENABLE(stage1-languages, [AS_HELP_STRING([[--enable-stage1-languages[=all]]], [choose additional languages to build during stage1. Mostly useful for compiler development])], [case ,${enable_stage1_languages}, in ,no,|,,) # Set it to something that will have no effect in the loop below enable_stage1_languages=c ;; ,yes,) enable_stage1_languages=`echo $new_enable_languages | \ sed -e "s/^,//" -e "s/,$//" ` ;; *,all,*) enable_stage1_languages=`echo ,$enable_stage1_languages, | \ sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;; esac # Add "good" languages from enable_stage1_languages to stage1_languages, # while "bad" languages go in missing_languages. Leave no duplicates. for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do case $potential_languages in *,$i,*) case $stage1_languages in *,$i,*) ;; *) stage1_languages="$stage1_languages$i," ;; esac ;; *) case $missing_languages in *,$i,*) ;; *) missing_languages="$missing_languages$i," ;; esac ;; esac done]) # Remove leading/trailing commas that were added for simplicity potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"` missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"` stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"` new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"` if test "x$missing_languages" != x; then AC_MSG_ERROR([ The following requested languages could not be built: ${missing_languages} Supported languages are: ${potential_languages}]) fi if test "x$new_enable_languages" != "x$enable_languages"; then echo The following languages will be built: ${new_enable_languages} enable_languages="$new_enable_languages" fi AC_SUBST(stage1_languages) ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" ` fi # Handle --disable- generically. for dir in $configdirs $build_configdirs $target_configdirs ; do dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g` varname=`echo $dirname | sed -e s/+/_/g` if eval test x\${enable_${varname}} "=" xno ; then noconfigdirs="$noconfigdirs $dir" fi done # Check for Boehm's garbage collector AC_ARG_ENABLE(objc-gc, [AS_HELP_STRING([--enable-objc-gc], [enable use of Boehm's garbage collector with the GNU Objective-C runtime])]) AC_ARG_WITH([target-bdw-gc], [AS_HELP_STRING([--with-target-bdw-gc=PATHLIST], [specify prefix directory for installed bdw-gc package. Equivalent to --with-target-bdw-gc-include=PATH/include plus --with-target-bdw-gc-lib=PATH/lib])]) AC_ARG_WITH([target-bdw-gc-include], [AS_HELP_STRING([--with-target-bdw-gc-include=PATHLIST], [specify directories for installed bdw-gc include files])]) AC_ARG_WITH([target-bdw-gc-lib], [AS_HELP_STRING([--with-target-bdw-gc-lib=PATHLIST], [specify directories for installed bdw-gc library])]) case ,${enable_languages},:${enable_objc_gc} in *,objc,*:yes|*,objc,*:auto) AC_MSG_CHECKING([for bdw garbage collector]) if test "x$with_target_bdw_gc$with_target_bdw_gc_include$with_target_bdw_gc_lib" = x; then dnl no bdw-gw options, assume default locations AC_MSG_RESULT([using bdw-gc in default locations]) else dnl bdw-gw options, first error checking, complete checking in libobjc if test "x$with_target_bdw_gc_include" = x && test "x$with_target_bdw_gc_lib" != x; then AC_MSG_ERROR([found --with-target-bdw-gc-lib but --with-target-bdw-gc-include missing]) elif test "x$with_target_bdw_gc_include" != x && test "x$with_target_bdw_gc_lib" = x; then AC_MSG_ERROR([found --with-target-bdw-gc-include but --with-target-bdw-gc-lib missing]) else AC_MSG_RESULT([using paths configured with --with-target-bdw-gc options]) fi fi esac # Disable libitm, libsanitizer, libvtv, liboffloadmic if we're not building C++ case ,${enable_languages}, in *,c++,*) # Disable libitm, libsanitizer if we're not building libstdc++ case "${noconfigdirs}" in *target-libstdc++-v3*) noconfigdirs="$noconfigdirs target-libitm target-libsanitizer" ;; *) ;; esac ;; *) noconfigdirs="$noconfigdirs target-liboffloadmic target-libitm target-libsanitizer target-libvtv" ;; esac # If gcc/ is not in the source tree then we'll not be building a # target compiler, assume in that case we don't want to build any # target libraries or tools. # # This was added primarily for the benefit for binutils-gdb who reuse # this configure script, but don't always have target tools available. if test ! -d ${srcdir}/gcc; then skipdirs="${skipdirs} ${target_configdirs}" fi # Remove the entries in $skipdirs and $noconfigdirs from $configdirs, # $build_configdirs and $target_configdirs. # If we have the source for $noconfigdirs entries, add them to $notsupp. notsupp="" for dir in . $skipdirs $noconfigdirs ; do dirname=`echo $dir | sed -e s/target-//g -e s/build-//g` if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"` if test -r $srcdir/$dirname/configure ; then if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then true else notsupp="$notsupp $dir" fi fi fi if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"` if test -r $srcdir/$dirname/configure ; then if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then true else notsupp="$notsupp $dir" fi fi fi if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"` if test -r $srcdir/$dirname/configure ; then if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then true else notsupp="$notsupp $dir" fi fi fi done # Quietly strip out all directories which aren't configurable in this tree. # This relies on all configurable subdirectories being autoconfiscated, which # is now the case. build_configdirs_all="$build_configdirs" build_configdirs= for i in ${build_configdirs_all} ; do j=`echo $i | sed -e s/build-//g` if test -f ${srcdir}/$j/configure ; then build_configdirs="${build_configdirs} $i" fi done configdirs_all="$configdirs" configdirs= for i in ${configdirs_all} ; do if test -f ${srcdir}/$i/configure ; then configdirs="${configdirs} $i" fi done target_configdirs_all="$target_configdirs" target_configdirs= for i in ${target_configdirs_all} ; do j=`echo $i | sed -e s/target-//g` if test -f ${srcdir}/$j/configure ; then target_configdirs="${target_configdirs} $i" fi done # libiberty-linker-plugin is special: it doesn't have its own source directory, # so we have to add it after the preceding checks. if test x"$extra_linker_plugin_flags$extra_linker_plugin_configure_flags" != x then case " $configdirs " in *" libiberty "*) # If we can build libiberty, we can also build libiberty-linker-plugin. configdirs="$configdirs libiberty-linker-plugin" extra_linker_plugin_configure_flags="$extra_linker_plugin_configure_flags \ --with-libiberty=../libiberty-linker-plugin";; *) AC_MSG_ERROR([libiberty missing]);; esac fi # Sometimes we have special requirements for the host libiberty. extra_host_libiberty_configure_flags= case " $configdirs " in *" lto-plugin "* | *" libcc1 "* | *" gdbserver "*) # When these are to be built as shared libraries, the same applies to # libiberty. extra_host_libiberty_configure_flags=--enable-shared ;; esac AC_SUBST(extra_host_libiberty_configure_flags) # Sometimes we have special requirements for the host zlib. extra_host_zlib_configure_flags= case " $configdirs " in *" bfd "*) # When bfd is to be built as a shared library, the same applies to # zlib. if test "$enable_shared" = "yes"; then extra_host_zlib_configure_flags=--enable-host-shared fi ;; esac AC_SUBST(extra_host_zlib_configure_flags) # Produce a warning message for the subdirs we can't configure. # This isn't especially interesting in the Cygnus tree, but in the individual # FSF releases, it's important to let people know when their machine isn't # supported by the one or two programs in a package. if test -n "${notsupp}" && test -z "${norecursion}" ; then # If $appdirs is non-empty, at least one of those directories must still # be configured, or we error out. (E.g., if the gas release supports a # specified target in some subdirs but not the gas subdir, we shouldn't # pretend that all is well.) if test -n "$appdirs" ; then for dir in $appdirs ; do if test -r $dir/Makefile.in ; then if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then appdirs="" break fi if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then appdirs="" break fi fi done if test -n "$appdirs" ; then echo "*** This configuration is not supported by this package." 1>&2 exit 1 fi fi # Okay, some application will build, or we don't care to check. Still # notify of subdirs not getting built. echo "*** This configuration is not supported in the following subdirectories:" 1>&2 echo " ${notsupp}" 1>&2 echo " (Any other directories should still work fine.)" 1>&2 fi case "$host" in *msdosdjgpp*) enable_gdbtk=no ;; esac # To find our prefix, in gcc_cv_tool_prefix. ACX_TOOL_DIRS copy_dirs= AC_ARG_WITH([build-sysroot], [AS_HELP_STRING([--with-build-sysroot=SYSROOT], [use sysroot as the system root during the build])], [if test x"$withval" != x ; then SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval" fi], [SYSROOT_CFLAGS_FOR_TARGET=]) AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET) AC_ARG_WITH([debug-prefix-map], [AS_HELP_STRING([--with-debug-prefix-map='A=B C=D ...'], [map A to B, C to D ... in debug information])], [if test x"$withval" != x; then DEBUG_PREFIX_CFLAGS_FOR_TARGET= for debug_map in $withval; do DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map" done fi], [DEBUG_PREFIX_CFLAGS_FOR_TARGET=]) AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET) # During gcc bootstrap, if we use some random cc for stage1 then CFLAGS # might be empty or "-g". We don't require a C++ compiler, so CXXFLAGS # might also be empty (or "-g", if a non-GCC C++ compiler is in the path). # We want to ensure that TARGET libraries (which we know are built with # gcc) are built with "-O2 -g", so include those options when setting # CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET. if test "x$CFLAGS_FOR_TARGET" = x; then if test "x${is_cross_compiler}" = xyes; then CFLAGS_FOR_TARGET="-g -O2" else CFLAGS_FOR_TARGET=$CFLAGS case " $CFLAGS " in *" -O2 "*) ;; *) CFLAGS_FOR_TARGET="-O2 $CFLAGS_FOR_TARGET" ;; esac case " $CFLAGS " in *" -g "* | *" -g3 "*) ;; *) CFLAGS_FOR_TARGET="-g $CFLAGS_FOR_TARGET" ;; esac fi fi AC_SUBST(CFLAGS_FOR_TARGET) if test "x$CXXFLAGS_FOR_TARGET" = x; then if test "x${is_cross_compiler}" = xyes; then CXXFLAGS_FOR_TARGET="-g -O2" else CXXFLAGS_FOR_TARGET=$CXXFLAGS case " $CXXFLAGS " in *" -O2 "*) ;; *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS_FOR_TARGET" ;; esac case " $CXXFLAGS " in *" -g "* | *" -g3 "*) ;; *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS_FOR_TARGET" ;; esac fi fi AC_SUBST(CXXFLAGS_FOR_TARGET) AC_SUBST(LDFLAGS_FOR_TARGET) # Handle --with-headers=XXX. If the value is not "yes", the contents of # the named directory are copied to $(tooldir)/sys-include. if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then if test x${is_cross_compiler} = xno ; then echo 1>&2 '***' --with-headers is only supported when cross compiling exit 1 fi if test x"${with_headers}" != xyes ; then x=${gcc_cv_tool_prefix} copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include" fi fi # Handle --with-libs=XXX. If the value is not "yes", the contents of # the name directories are copied to $(tooldir)/lib. Multiple directories # are permitted. if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then if test x${is_cross_compiler} = xno ; then echo 1>&2 '***' --with-libs is only supported when cross compiling exit 1 fi if test x"${with_libs}" != xyes ; then # Copy the libraries in reverse order, so that files in the first named # library override files in subsequent libraries. x=${gcc_cv_tool_prefix} for l in ${with_libs}; do copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}" done fi fi # Set with_gnu_as, with_gnu_ld, and with_system_zlib as appropriate. # # This is done by determining whether or not the appropriate directory # is available, and by checking whether or not specific configurations # have requested that this magic not happen. # # The command line options always override the explicit settings in # configure.ac, and the settings in configure.ac override this magic. # # If the default for a toolchain is to use GNU as and ld, and you don't # want to do that, then you should use the --without-gnu-as and # --without-gnu-ld options for the configure script. Similarly, if # the default is to use the included zlib and you don't want to do that, # you should use the --with-system-zlib option for the configure script. if test x${use_gnu_as} = x && echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then with_gnu_as=yes extra_host_args="$extra_host_args --with-gnu-as" fi if test x${use_gnu_ld} = x && echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then with_gnu_ld=yes extra_host_args="$extra_host_args --with-gnu-ld" fi if test x${use_included_zlib} = x && echo " ${configdirs} " | grep " zlib " > /dev/null 2>&1 ; then : else with_system_zlib=yes extra_host_args="$extra_host_args --with-system-zlib" fi # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure # can detect this case. if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then with_newlib=yes extra_host_args="$extra_host_args --with-newlib" fi # Handle ${copy_dirs} set fnord ${copy_dirs} shift while test $# != 0 ; do if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then : else echo Copying $1 to $2 # Use the install script to create the directory and all required # parent directories. if test -d $2 ; then : else echo >config.temp ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED fi # Copy the directory, assuming we have tar. # FIXME: Should we use B in the second tar? Not all systems support it. (cd $1; tar -cf - .) | (cd $2; tar -xpf -) # It is the responsibility of the user to correctly adjust all # symlinks. If somebody can figure out how to handle them correctly # here, feel free to add the code. echo $1 > $2/COPIED fi shift; shift done # Determine a target-dependent exec_prefix that the installed # gcc will search in. Keep this list sorted by triplet, with # the *-*-osname triplets last. md_exec_prefix= case "${target}" in i[[34567]]86-pc-msdosdjgpp*) md_exec_prefix=/dev/env/DJDIR/bin ;; *-*-hpux* | \ *-*-nto-qnx* | \ *-*-solaris2*) md_exec_prefix=/usr/ccs/bin ;; esac extra_arflags_for_target= extra_nmflags_for_target= extra_ranlibflags_for_target= target_makefile_frag=/dev/null case "${target}" in spu-*-*) target_makefile_frag="config/mt-spu" ;; mips*-sde-elf* | mips*-mti-elf* | mips*-img-elf*) target_makefile_frag="config/mt-sde" ;; mipsisa*-*-elfoabi*) target_makefile_frag="config/mt-mips-elfoabi" ;; mips*-*-*linux* | mips*-*-gnu*) target_makefile_frag="config/mt-mips-gnu" ;; nios2-*-elf*) target_makefile_frag="config/mt-nios2-elf" ;; *-*-linux-android*) target_makefile_frag="config/mt-android" ;; *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu) target_makefile_frag="config/mt-gnu" ;; *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*) # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm # commands to handle both 32-bit and 64-bit objects. These flags are # harmless if we're using GNU nm or ar. extra_arflags_for_target=" -X32_64" extra_nmflags_for_target=" -B -X32_64" ;; esac alphaieee_frag=/dev/null case $target in alpha*-*-*) # This just makes sure to use the -mieee option to build target libs. # This should probably be set individually by each library. alphaieee_frag="config/mt-alphaieee" ;; esac # If --enable-target-optspace always use -Os instead of -O2 to build # the target libraries, similarly if it is not specified, use -Os # on selected platforms. ospace_frag=/dev/null case "${enable_target_optspace}:${target}" in yes:*) ospace_frag="config/mt-ospace" ;; :d30v-*) ospace_frag="config/mt-d30v" ;; :m32r-* | :d10v-* | :fr30-* | :i?86*-*-elfiamcu) ospace_frag="config/mt-ospace" ;; no:* | :*) ;; *) echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2 ;; esac # Some systems (e.g., one of the i386-aix systems the gas testers are # using) don't handle "\$" correctly, so don't use it here. tooldir='${exec_prefix}'/${target_noncanonical} build_tooldir=${tooldir} # Create a .gdbinit file which runs the one in srcdir # and tells GDB to look there for source files. if test -r ${srcdir}/.gdbinit ; then case ${srcdir} in .) ;; *) cat > ./.gdbinit < conftest.c ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c if test $? = 0 ; then if test -s conftest || test -s conftest.exe ; then we_are_ok=yes fi fi case $we_are_ok in no) echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed." echo 1>&2 "*** You must set the environment variable CC to a working compiler." rm -f conftest* exit 1 ;; esac rm -f conftest* # Decide which environment variable is used to find dynamic libraries. case "${host}" in *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;; *-*-darwin*) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;; *-*-mingw* | *-*-cygwin ) RPATH_ENVVAR=PATH ;; *) RPATH_ENVVAR=LD_LIBRARY_PATH ;; esac # On systems where the dynamic library environment variable is PATH, # gcc/ will put dynamic libraries into a subdirectory to avoid adding # built executables to PATH. if test "$RPATH_ENVVAR" = PATH; then GCC_SHLIB_SUBDIR=/shlib else GCC_SHLIB_SUBDIR= fi # Adjust the toplevel makefile according to whether bootstrap was selected. case $enable_bootstrap in yes) bootstrap_suffix=bootstrap BUILD_CONFIG=bootstrap-debug ;; no) bootstrap_suffix=no-bootstrap BUILD_CONFIG= ;; esac AC_MSG_CHECKING(for default BUILD_CONFIG) AC_ARG_WITH([build-config], [AS_HELP_STRING([--with-build-config='NAME NAME2...'], [use config/NAME.mk build configuration])], [case $with_build_config in yes) with_build_config= ;; no) with_build_config= BUILD_CONFIG= ;; esac]) if test "x${with_build_config}" != x; then BUILD_CONFIG=$with_build_config else case $BUILD_CONFIG in bootstrap-debug) if echo "int f (void) { return 0; }" > conftest.c && ${CC} -c conftest.c && mv conftest.o conftest.o.g0 && ${CC} -c -g conftest.c && mv conftest.o conftest.o.g && ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g > /dev/null 2>&1; then : else BUILD_CONFIG= fi rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g ;; esac fi AC_MSG_RESULT($BUILD_CONFIG) AC_SUBST(BUILD_CONFIG) # Use same top-level configure hooks in libgcc/libstdc++/libvtv. AC_MSG_CHECKING([for --enable-vtable-verify]) AC_ARG_ENABLE(vtable-verify, [AS_HELP_STRING([--enable-vtable-verify], [Enable vtable verification feature])], [case "$enableval" in yes) enable_vtable_verify=yes ;; no) enable_vtable_verify=no ;; *) enable_vtable_verify=no;; esac], [enable_vtable_verify=no]) AC_MSG_RESULT($enable_vtable_verify) # Record target_configdirs and the configure arguments for target and # build configuration in Makefile. target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'` build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'` bootstrap_fixincludes=no # If we are building libgomp, bootstrap it. if echo " ${target_configdirs} " | grep " libgomp " > /dev/null 2>&1 ; then bootstrap_target_libs=${bootstrap_target_libs}target-libgomp, fi # If we are building libsanitizer and $BUILD_CONFIG contains bootstrap-asan # or bootstrap-ubsan, bootstrap it. if echo " ${target_configdirs} " | grep " libsanitizer " > /dev/null 2>&1; then case "$BUILD_CONFIG" in *bootstrap-hwasan* | *bootstrap-asan* | *bootstrap-ubsan* ) bootstrap_target_libs=${bootstrap_target_libs}target-libsanitizer, bootstrap_fixincludes=yes ;; esac fi # If we are building libvtv and --enable-vtable-verify, bootstrap it. if echo " ${target_configdirs} " | grep " libvtv " > /dev/null 2>&1 && test "$enable_vtable_verify" != no; then bootstrap_target_libs=${bootstrap_target_libs}target-libvtv, fi # If we are building libatomic and the list of enabled languages includes the # D frontend, bootstrap it. if echo " ${target_configdirs} " | grep " libatomic " > /dev/null 2>&1; then case ,${enable_languages}, in *,d,*) bootstrap_target_libs=${bootstrap_target_libs}target-libatomic, ;; esac fi # Determine whether gdb needs tk/tcl or not. # Use 'maybe' since enable_gdbtk might be true even if tk isn't available # and in that case we want gdb to be built without tk. Ugh! # In fact I believe gdb is the *only* package directly dependent on tk, # so we should be able to put the 'maybe's in unconditionally and # leave out the maybe dependencies when enable_gdbtk is false. I'm not # 100% sure that that's safe though. gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui" case "$enable_gdbtk" in no) GDB_TK="" ;; yes) GDB_TK="${gdb_tk}" ;; *) # Only add the dependency on gdbtk when GDBtk is part of the gdb # distro. Eventually someone will fix this and move Insight, nee # gdbtk to a separate directory. if test -d ${srcdir}/gdb/gdbtk ; then GDB_TK="${gdb_tk}" else GDB_TK="" fi ;; esac CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g` INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g` # gdb and gdbserver depend on gnulib and gdbsupport, but as nothing # else does, only include them if one of these is built. The Makefile # provides the ordering, so it's enough here to add to the list. case " ${configdirs} " in *\ gdb\ *) configdirs="${configdirs} gnulib gdbsupport" ;; *\ gdbserver\ *) configdirs="${configdirs} gnulib gdbsupport" ;; *\ sim\ *) configdirs="${configdirs} gnulib" ;; esac # Strip out unwanted targets. # While at that, we remove Makefiles if we were started for recursive # configuration, so that the top-level Makefile reconfigures them, # like we used to do when configure itself was recursive. # Loop over modules. We used to use the "$extrasub" feature from Autoconf # but now we're fixing up the Makefile ourselves with the additional # commands passed to AC_CONFIG_FILES. Use separate variables # extrasub-{build,host,target} not because there is any reason to split # the substitutions up that way, but only to remain below the limit of # 99 commands in a script, for HP-UX sed. # Do not nest @if/@endif or @unless/@endunless pairs, because # configure will not warn you at all. case "$enable_bootstrap:$ENABLE_GOLD: $configdirs :,$stage1_languages," in yes:yes:*\ gold\ *:*,c++,*) ;; yes:yes:*\ gold\ *:*) AC_MSG_ERROR([in a combined tree, bootstrapping with --enable-gold requires c++ in stage1_languages]) ;; esac extrasub_build= for module in ${build_configdirs} ; do if test -z "${no_recursion}" \ && test -f ${build_subdir}/${module}/Makefile; then echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure" rm -f ${build_subdir}/${module}/Makefile fi extrasub_build="$extrasub_build /^@if build-$module\$/d /^@endif build-$module\$/d /^@unless build-$module\$/,/^@endunless build-$module\$/d /^@if build-$module-$bootstrap_suffix\$/d /^@endif build-$module-$bootstrap_suffix\$/d /^@unless build-$module-$bootstrap_suffix\$/,/^@endunless build-$module-$bootstrap_suffix\$/d" done extrasub_host= for module in ${configdirs} ; do if test -z "${no_recursion}"; then for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do if test -f ${file}; then echo 1>&2 "*** removing ${file} to force reconfigure" rm -f ${file} fi done fi case ${module},${bootstrap_fixincludes} in fixincludes,no) host_bootstrap_suffix=no-bootstrap ;; *) host_bootstrap_suffix=$bootstrap_suffix ;; esac extrasub_host="$extrasub_host /^@if $module\$/d /^@endif $module\$/d /^@unless $module\$/,/^@endunless $module\$/d /^@if $module-$host_bootstrap_suffix\$/d /^@endif $module-$host_bootstrap_suffix\$/d /^@unless $module-$host_bootstrap_suffix\$/,/^@endunless $module-$host_bootstrap_suffix\$/d" done extrasub_target= for module in ${target_configdirs} ; do if test -z "${no_recursion}" \ && test -f ${target_subdir}/${module}/Makefile; then echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure" rm -f ${target_subdir}/${module}/Makefile fi # We only bootstrap target libraries listed in bootstrap_target_libs. case $bootstrap_target_libs in *,target-$module,*) target_bootstrap_suffix=$bootstrap_suffix ;; *) target_bootstrap_suffix=no-bootstrap ;; esac extrasub_target="$extrasub_target /^@if target-$module\$/d /^@endif target-$module\$/d /^@unless target-$module\$/,/^@endunless target-$module\$/d /^@if target-$module-$target_bootstrap_suffix\$/d /^@endif target-$module-$target_bootstrap_suffix\$/d /^@unless target-$module-$target_bootstrap_suffix\$/,/^@endunless target-$module-$target_bootstrap_suffix\$/d" done # Do the final fixup along with target modules. extrasub_target="$extrasub_target /^@if /,/^@endif /d /^@unless /d /^@endunless /d" if test "$enable_pgo_build" != "no"; then extrasub_build="$extrasub_build /^@if pgo-build\$/d /^@endif pgo-build\$/d" fi # Create the serialization dependencies. This uses a temporary file. AC_ARG_ENABLE([serial-configure], [AS_HELP_STRING([[--enable-serial-[{host,target,build}-]configure]], [force sequential configuration of sub-packages for the host, target or build machine, or all sub-packages])]) case ${enable_serial_configure} in yes) enable_serial_build_configure=yes enable_serial_host_configure=yes enable_serial_target_configure=yes ;; esac # These force 'configure's to be done one at a time, to avoid problems # with contention over a shared config.cache. rm -f serdep.tmp echo '# serdep.tmp' > serdep.tmp olditem= test "x${enable_serial_build_configure}" = xyes && for item in ${build_configdirs} ; do case ${olditem} in "") ;; *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;; esac olditem=${item} done olditem= test "x${enable_serial_host_configure}" = xyes && for item in ${configdirs} ; do case ${olditem} in "") ;; *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;; esac olditem=${item} done olditem= test "x${enable_serial_target_configure}" = xyes && for item in ${target_configdirs} ; do case ${olditem} in "") ;; *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;; esac olditem=${item} done serialization_dependencies=serdep.tmp AC_SUBST_FILE(serialization_dependencies) # Base args. Strip norecursion, cache-file, srcdir, host, build, # target, nonopt, and variable assignments. These are the ones we # might not want to pass down to subconfigures. The exception being # --cache-file=/dev/null, which is used to turn off the use of cache # files altogether, and which should be passed on to subconfigures. # Also strip program-prefix, program-suffix, and program-transform-name, # so that we can pass down a consistent program-transform-name. baseargs= tbaseargs= keep_next=no skip_next=no eval "set -- $ac_configure_args" for ac_arg do if test X"$skip_next" = X"yes"; then skip_next=no continue fi if test X"$keep_next" = X"yes"; then case $ac_arg in *\'*) ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;; esac baseargs="$baseargs '$ac_arg'" tbaseargs="$tbaseargs '$ac_arg'" keep_next=no continue fi # Handle separated arguments. Based on the logic generated by # autoconf 2.59. case $ac_arg in *=* | --config-cache | -C | -disable-* | --disable-* \ | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \ | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \ | -with-* | --with-* | -without-* | --without-* | --x) separate_arg=no ;; -*) separate_arg=yes ;; *) separate_arg=no ;; esac skip_targ=no case $ac_arg in changequote(,) --with-* | --without-*) libopt=`echo "$ac_arg" | sed -e 's,^--[^-_]*[-_],,' -e 's,=.*$,,'` case $libopt in *[-_]include) lib=`echo "$libopt" | sed 's,[-_]include$,,'` ;; *[-_]lib) lib=`echo "$libopt" | sed 's,[-_]lib$,,'` ;; *) lib=$libopt ;; esac changequote([,]) case $lib in mpc | mpfr | gmp | isl) # If we're processing --with-$lib, --with-$lib-include or # --with-$lib-lib, for one of the libs above, and target is # different from host, don't pass the current argument to any # target library's configure. if test x$is_cross_compiler = xyes; then skip_targ=yes fi ;; esac ;; esac case "$ac_arg" in --cache-file=/dev/null | \ -cache-file=/dev/null ) # Handled here to avoid the test to skip args below. baseargs="$baseargs '$ac_arg'" tbaseargs="$tbaseargs '$ac_arg'" # Assert: $separate_arg should always be no. keep_next=$separate_arg ;; --no*) continue ;; --c* | \ --sr* | \ --ho* | \ --bu* | \ --t* | \ --program-* | \ -cache_file* | \ -srcdir* | \ -host* | \ -build* | \ -target* | \ -program-prefix* | \ -program-suffix* | \ -program-transform-name* ) skip_next=$separate_arg continue ;; -*) # An option. Add it. case $ac_arg in *\'*) ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;; esac baseargs="$baseargs '$ac_arg'" if test X"$skip_targ" = Xno; then tbaseargs="$tbaseargs '$ac_arg'" fi keep_next=$separate_arg ;; *) # Either a variable assignment, or a nonopt (triplet). Don't # pass it down; let the Makefile handle this. continue ;; esac done # Remove the initial space we just introduced and, as these will be # expanded by make, quote '$'. baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'` # Add in --program-transform-name, after --program-prefix and # --program-suffix have been applied to it. Autoconf has already # doubled dollar signs and backslashes in program_transform_name; we want # the backslashes un-doubled, and then the entire thing wrapped in single # quotes, because this will be expanded first by make and then by the shell. # Also, because we want to override the logic in subdir configure scripts to # choose program_transform_name, replace any s,x,x, with s,y,y,. sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" < conftestsed.out ${program_transform_name} EOF_SED gcc_transform_name=`cat conftestsed.out` rm -f conftestsed.out baseargs="$baseargs --program-transform-name='${gcc_transform_name}'" tbaseargs="$tbaseargs --program-transform-name='${gcc_transform_name}'" if test "$silent" = yes; then baseargs="$baseargs --silent" tbaseargs="$tbaseargs --silent" fi baseargs="$baseargs --disable-option-checking" tbaseargs="$tbaseargs --disable-option-checking" if test "$enable_year2038" = no; then baseargs="$baseargs --disable-year2038" tbaseargs="$tbaseargs --disable-year2038" fi # Record and document user additions to sub configure arguments. AC_ARG_VAR([build_configargs], [additional configure arguments for build directories]) AC_ARG_VAR([host_configargs], [additional configure arguments for host directories]) AC_ARG_VAR([target_configargs], [additional configure arguments for target directories]) # For the build-side libraries, we just need to pretend we're native, # and not use the same cache file. Multilibs are neither needed nor # desired. We can't even use the same cache file for all build-side # libraries, as they're compiled differently; some with C, some with # C++ or with different feature-enabling options. build_configargs="$build_configargs --cache-file=./config.cache ${baseargs}" # For host modules, accept cache file option, or specification as blank. case "${cache_file}" in "") # empty cache_file_option="" ;; /* | [[A-Za-z]]:[[\\/]]* ) # absolute path cache_file_option="--cache-file=${cache_file}" ;; *) # relative path cache_file_option="--cache-file=../${cache_file}" ;; esac # Host dirs don't like to share a cache file either, horribly enough. # This seems to be due to autoconf 2.5x stupidity. host_configargs="$host_configargs --cache-file=./config.cache ${extra_host_args} ${baseargs}" target_configargs="$target_configargs ${tbaseargs}" # Passing a --with-cross-host argument lets the target libraries know # whether they are being built with a cross-compiler or being built # native. However, it would be better to use other mechanisms to make the # sorts of decisions they want to make on this basis. Please consider # this option to be deprecated. FIXME. if test x${is_cross_compiler} = xyes ; then target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}" fi # Special user-friendly check for native x86_64-linux build, if # multilib is not explicitly enabled. case "$target:$have_compiler:$host:$target:$enable_multilib" in x86_64-*linux*:yes:$build:$build:) # Make sure we have a development environment that handles 32-bit dev64=no echo "int main () { return 0; }" > conftest.c ${CC} -m32 -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c if test $? = 0 ; then if test -s conftest || test -s conftest.exe ; then dev64=yes fi fi rm -f conftest* if test x${dev64} != xyes ; then AC_MSG_ERROR([I suspect your system does not have 32-bit development libraries (libc and headers). If you have them, rerun configure with --enable-multilib. If you do not have them, and want to build a 64-bit-only compiler, rerun configure with --disable-multilib.]) fi ;; esac # Default to --enable-multilib. if test x${enable_multilib} = x ; then target_configargs="--enable-multilib ${target_configargs}" fi # Pass --with-newlib if appropriate. Note that target_configdirs has # changed from the earlier setting of with_newlib. if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then target_configargs="--with-newlib ${target_configargs}" fi # Different target subdirs use different values of certain variables # (notably CXX). Worse, multilibs use *lots* of different values. # Worse yet, autoconf 2.5x makes some of these 'precious', meaning that # it doesn't automatically accept command-line overrides of them. # This means it's not safe for target subdirs to share a cache file, # which is disgusting, but there you have it. Hopefully this can be # fixed in future. 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 $$s/winsup/cygwin/include' ;; esac # If we're not building GCC, don't discard standard headers. if test -d ${srcdir}/gcc; then FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc' if test "${build}" != "${host}"; then # On Canadian crosses, CC_FOR_TARGET will have already been set # by `configure', so we won't have an opportunity to add -Bgcc/ # to it. This is right: we don't want to search that directory # for binaries, but we want the header files in there, so add # them explicitly. FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include -isystem $$r/$(HOST_SUBDIR)/gcc/include-fixed' # Someone might think of using the pre-installed headers on # Canadian crosses, in case the installed compiler is not fully # compatible with the compiler being built. In this case, it # would be better to flag an error than risking having # incompatible object files being constructed. We can't # guarantee that an error will be flagged, but let's hope the # compiler will do it, when presented with incompatible header # files. fi fi case "${target}-${is_cross_compiler}" in i[[3456789]]86-*-linux*-no) # Here host == target, so we don't need to build gcc, # so we don't want to discard standard headers. FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'` ;; *) # If we're building newlib, use its generic headers last, but search # for any libc-related directories first (so make it the last -B # switch). FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include' # If we're building libgloss, find the startup file, simulator library # and linker script. case " $target_configdirs " in *" libgloss "*) # Look for startup file, simulator library and maybe linker script. FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/'"$libgloss_dir" # Look for libnosys.a in case the target needs it. FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys' # Most targets have the linker script in the source directory. FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$s/libgloss/'"$libgloss_dir" ;; esac ;; esac ;; esac ;; esac case "$target" in x86_64-*mingw* | *-w64-mingw*) # MinGW-w64 does not use newlib, nor does it use winsup. It may, # however, use a symlink named 'mingw' in ${prefix} . FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L${prefix}/${target}/lib -L${prefix}/mingw/lib -isystem ${prefix}/${target}/include -isystem ${prefix}/mingw/include' ;; *-mingw*) # MinGW can't be handled as Cygwin above since it does not use newlib. FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/mingw -L$$r/$(TARGET_SUBDIR)/winsup/w32api/lib -isystem $$s/winsup/mingw/include -isystem $$s/winsup/w32api/include' ;; esac # Allow the user to override the flags for # our build compiler if desired. if test x"${build}" = x"${host}" ; then CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}} CPPFLAGS_FOR_BUILD=${CPPFLAGS_FOR_BUILD-${CPPFLAGS}} CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}} LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}} fi # On Canadian crosses, we'll be searching the right directories for # the previously-installed cross compiler, so don't bother to add # flags for directories within the install tree of the compiler # being built; programs in there won't even run. if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then # Search for pre-installed headers if nothing else fits. FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include' fi if test "x${use_gnu_ld}" = x && echo " ${configdirs} " | grep " ld " > /dev/null ; then # Arrange for us to find uninstalled linker scripts. FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld' fi # Search for other target-specific linker scripts and such. case "${target}" in mep*) FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary" ;; # The VxWorks support for shared libraries is getting in # incrementally. Make sure it doesn't get activated implicitly: *vxworks*) if test "${enable_shared-unset}" = unset ; then enable_shared=no # So the build of libraries knows ... target_configargs="${target_configargs} --disable-shared" # So gcc knows ... host_configargs="${host_configargs} --disable-shared" fi ;; esac # Makefile fragments. for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag; do eval fragval=\$$frag if test $fragval != /dev/null; then eval $frag=${srcdir}/$fragval fi done AC_SUBST_FILE(host_makefile_frag) AC_SUBST_FILE(target_makefile_frag) AC_SUBST_FILE(alphaieee_frag) AC_SUBST_FILE(ospace_frag) # Miscellanea: directories, flags, etc. AC_SUBST(RPATH_ENVVAR) AC_SUBST(GCC_SHLIB_SUBDIR) AC_SUBST(tooldir) AC_SUBST(build_tooldir) AC_SUBST(CONFIGURE_GDB_TK) AC_SUBST(GDB_TK) AC_SUBST(INSTALL_GDB_TK) # Build module lists & subconfigure args. AC_SUBST(build_configargs) AC_SUBST(build_configdirs) # Host module lists & subconfigure args. AC_SUBST(host_configargs) AC_SUBST(configdirs) AC_SUBST(target_configdirs) # Target module lists & subconfigure args. AC_SUBST(target_configargs) # Build tools. AC_SUBST(AR_FOR_BUILD) AC_SUBST(AS_FOR_BUILD) AC_SUBST(CC_FOR_BUILD) AC_SUBST(CFLAGS_FOR_BUILD) AC_SUBST(CPP_FOR_BUILD) AC_SUBST(CPPFLAGS_FOR_BUILD) AC_SUBST(CXXFLAGS_FOR_BUILD) AC_SUBST(CXX_FOR_BUILD) AC_SUBST(DLLTOOL_FOR_BUILD) AC_SUBST(DSYMUTIL_FOR_BUILD) AC_SUBST(GFORTRAN_FOR_BUILD) AC_SUBST(GOC_FOR_BUILD) AC_SUBST(GDC_FOR_BUILD) AC_SUBST(LDFLAGS_FOR_BUILD) AC_SUBST(LD_FOR_BUILD) AC_SUBST(NM_FOR_BUILD) AC_SUBST(RANLIB_FOR_BUILD) AC_SUBST(WINDMC_FOR_BUILD) AC_SUBST(WINDRES_FOR_BUILD) # Generate default definitions for YACC, M4, LEX and other programs that run # on the build machine. These are used if the Makefile can't locate these # programs in objdir. MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y]) case " $build_configdirs " in *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;; esac AC_CHECK_PROGS([BISON], [bison], [$MISSING bison]) case " $build_configdirs " in *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;; esac AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4]) case " $build_configdirs " in *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;; esac AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex]) case " $build_configdirs " in *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;; *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;; esac AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex]) case " $build_configdirs " in *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;; esac AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo]) case " $build_configdirs " in *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;; *) changequote(,) # For an installed makeinfo, we require it to be from texinfo 4.7 or # higher, else we use the "missing" dummy. if ${MAKEINFO} --version \ | egrep 'texinfo[^0-9]*(4\.([7-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then : else MAKEINFO="$MISSING makeinfo" fi ;; changequote([,]) esac # FIXME: expect and dejagnu may become build tools? AC_CHECK_PROGS(EXPECT, expect, expect) case " $configdirs " in *" expect "*) test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect' ;; esac AC_CHECK_PROGS(RUNTEST, runtest, runtest) case " $configdirs " in *" dejagnu "*) test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest' ;; esac # Host tools. NCN_STRICT_CHECK_TOOLS(AR, ar) NCN_STRICT_CHECK_TOOLS(AS, as) NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool) NCN_STRICT_CHECK_TOOLS(DSYMUTIL, dsymutil) NCN_STRICT_CHECK_TOOLS(LD, ld) NCN_STRICT_CHECK_TOOLS(LIPO, lipo) NCN_STRICT_CHECK_TOOLS(NM, nm) NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, true) NCN_STRICT_CHECK_TOOLS(STRIP, strip, true) NCN_STRICT_CHECK_TOOLS(WINDRES, windres) NCN_STRICT_CHECK_TOOLS(WINDMC, windmc) NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy) NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump) NCN_STRICT_CHECK_TOOLS(OTOOL, otool) NCN_STRICT_CHECK_TOOLS(READELF, readelf) AC_SUBST(CC) AC_SUBST(CXX) AC_SUBST(CFLAGS) AC_SUBST(CXXFLAGS) AC_SUBST(GDC) AC_SUBST(GDCFLAGS) AC_SUBST(PKG_CONFIG_PATH) GCC_PLUGIN_OPTION(PLUGIN_OPTION) AR_PLUGIN_OPTION= RANLIB_PLUGIN_OPTION= if test -n "$PLUGIN_OPTION"; then if $AR --help 2>&1 | grep -q "\--plugin"; then AR_PLUGIN_OPTION="$PLUGIN_OPTION" fi if $RANLIB --help 2>&1 | grep -q "\--plugin"; then RANLIB_PLUGIN_OPTION="$PLUGIN_OPTION" fi fi AC_SUBST(AR_PLUGIN_OPTION) AC_SUBST(RANLIB_PLUGIN_OPTION) # Target tools. AC_ARG_WITH([build-time-tools], [AS_HELP_STRING([--with-build-time-tools=PATH], [use given path to find target tools during the build])], [case x"$withval" in x/*) ;; *) with_build_time_tools= AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path]) ;; esac], [with_build_time_tools=]) NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc) NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx) NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET}) NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran) NCN_STRICT_CHECK_TARGET_TOOLS(GOC_FOR_TARGET, gccgo) NCN_STRICT_CHECK_TARGET_TOOLS(GDC_FOR_TARGET, gdc) 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(DSYMUTIL_FOR_TARGET, dsymutil) 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(OTOOL_FOR_TARGET, otool) 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(dsymutil, DSYMUTIL_FOR_TARGET, DSYMUTIL) 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$$r/$(HOST_SUBDIR)/gcc/], go) GCC_TARGET_TOOL(gdc, GDC_FOR_TARGET, GDC, [gcc/gdc -B$$r/$(HOST_SUBDIR)/gcc/], d) GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new]) GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO) GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new]) GCC_TARGET_TOOL(objcopy, OBJCOPY_FOR_TARGET, OBJCOPY, [binutils/objcopy]) GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump]) GCC_TARGET_TOOL(otool, OTOOL_FOR_TARGET, OTOOL) GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib]) GCC_TARGET_TOOL(readelf, READELF_FOR_TARGET, READELF, [binutils/readelf]) GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip-new]) GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres]) GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc]) AC_SUBST(FLAGS_FOR_TARGET) AC_SUBST(RAW_CXX_FOR_TARGET) # Certain tools may need extra flags. AR_FOR_TARGET=${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 # For --disable-checking or implicit --enable-checking=release, avoid # setting --enable-checking=gc in the default stage1 checking for LTO # bootstraps. See PR62077. case $BUILD_CONFIG in *lto*) stage1_checking=--enable-checking=release,misc,gimple,rtlflag,tree,types;; *) stage1_checking=--enable-checking=yes,types;; esac if test "x$enable_checking" = x && \ test -d ${srcdir}/gcc && \ test x"`cat ${srcdir}/gcc/DEV-PHASE`" = xexperimental; then stage1_checking=--enable-checking=yes,types,extra fi 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])], [ case ${enable_werror} in yes) stage2_werror_flag="--enable-werror-always" ;; *) stage2_werror_flag="" ;; esac ], [ if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then case $BUILD_CONFIG in bootstrap-debug) stage2_werror_flag="--enable-werror-always" ;; "") stage2_werror_flag="--enable-werror-always" ;; esac fi ]) 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="$compare_exclusions | */libgcc/lib2funcs* | gcc/function-tests.o" ;; powerpc*-ibm-aix*) compare_exclusions="$compare_exclusions | *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