| # Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, |
| # 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, |
| # 2014, 2015, 2016, 2019 Free Software Foundation, Inc. |
| # |
| # This file is free software; you can redistribute it and/or modify it |
| # under the terms of the GNU General Public License as published by |
| # the Free Software Foundation; either version 3 of the License, or |
| # (at your option) any later version. |
| # |
| # This program is distributed in the hope that it will be useful, but |
| # WITHOUT ANY WARRANTY; without even the implied warranty of |
| # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| # General Public License for more details. |
| # |
| # You should have received a copy of the GNU General Public License |
| # along with this program; see the file COPYING3. If not see |
| # <http://www.gnu.org/licenses/>. |
| |
| ############################################################################## |
| ### WARNING: this file contains embedded tabs. Do not run untabify on this file. |
| |
| m4_include(config/acx.m4) |
| m4_include(config/override.m4) |
| m4_include(config/proginstall.m4) |
| m4_include(config/elf.m4) |
| m4_include(config/ax_cxx_compile_stdcxx.m4) |
| m4_include([libtool.m4]) |
| m4_include([ltoptions.m4]) |
| m4_include([ltsugar.m4]) |
| m4_include([ltversion.m4]) |
| m4_include([lt~obsolete.m4]) |
| m4_include([config/isl.m4]) |
| |
| AC_INIT(move-if-change) |
| AC_DISABLE_OPTION_CHECKING |
| |
| progname=$0 |
| # if PWD already has a value, it is probably wrong. |
| if test -n "$PWD" ; then PWD=`${PWDCMD-pwd}`; fi |
| |
| # Export original configure arguments for use by sub-configures. |
| # Quote arguments with shell meta charatcers. |
| TOPLEVEL_CONFIGURE_ARGUMENTS= |
| set -- "$progname" "$@" |
| for ac_arg |
| do |
| case "$ac_arg" in |
| *" "*|*" "*|*[[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?\']]*) |
| ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` |
| # if the argument is of the form -foo=baz, quote the baz part only |
| ac_arg=`echo "'$ac_arg'" | sed "s/^'\([[-a-zA-Z0-9]]*=\)/\\1'/"` ;; |
| *) ;; |
| esac |
| # Add the quoted argument to the list. |
| TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS $ac_arg" |
| done |
| if test "$silent" = yes; then |
| TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS --silent" |
| fi |
| # Remove the initial space we just introduced and, as these will be |
| # expanded by make, quote '$'. |
| TOPLEVEL_CONFIGURE_ARGUMENTS=`echo "x$TOPLEVEL_CONFIGURE_ARGUMENTS" | sed -e 's/^x *//' -e 's,\\$,$$,g'` |
| AC_SUBST(TOPLEVEL_CONFIGURE_ARGUMENTS) |
| |
| # Find the build, host, and target systems. |
| ACX_NONCANONICAL_BUILD |
| ACX_NONCANONICAL_HOST |
| ACX_NONCANONICAL_TARGET |
| |
| dnl Autoconf 2.5x and later will set a default program prefix if |
| dnl --target was used, even if it was the same as --host. Disable |
| dnl that behavior. This must be done before AC_CANONICAL_SYSTEM |
| dnl to take effect. |
| test "$host_noncanonical" = "$target_noncanonical" && |
| test "$program_prefix$program_suffix$program_transform_name" = \ |
| NONENONEs,x,x, && |
| program_transform_name=s,y,y, |
| |
| AC_CANONICAL_SYSTEM |
| AC_ARG_PROGRAM |
| |
| m4_pattern_allow([^AS_FOR_TARGET$])dnl |
| m4_pattern_allow([^AS_FOR_BUILD$])dnl |
| |
| # Get 'install' or 'install-sh' and its variants. |
| AC_PROG_INSTALL |
| ACX_PROG_LN |
| AC_PROG_LN_S |
| AC_PROG_SED |
| AC_PROG_AWK |
| |
| srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}` |
| |
| # We pass INSTALL explicitly to sub-makes. Make sure that it is not |
| # a relative path. |
| if test "$INSTALL" = "${srcdir}/install-sh -c"; then |
| INSTALL="${srcpwd}/install-sh -c" |
| fi |
| |
| # Set srcdir to "." if that's what it is. |
| # This is important for multilib support. |
| pwd=`${PWDCMD-pwd}` |
| if test "${pwd}" = "${srcpwd}" ; then |
| srcdir=. |
| fi |
| |
| topsrcdir=$srcpwd |
| |
| extra_host_args= |
| |
| ### To add a new directory to the tree, first choose whether it is a target |
| ### or a host dependent tool. Then put it into the appropriate list |
| ### (library or tools, host or target), doing a dependency sort. |
| |
| # Subdirs will be configured in the order listed in build_configdirs, |
| # configdirs, or target_configdirs; see the serialization section below. |
| |
| # Dependency sorting is only needed when *configuration* must be done in |
| # a particular order. In all cases a dependency should be specified in |
| # the Makefile, whether or not it's implicitly specified here. |
| |
| # Double entries in build_configdirs, configdirs, or target_configdirs may |
| # cause circular dependencies and break everything horribly. |
| |
| # these library is used by various programs built for the build |
| # environment |
| # |
| build_libs="build-libiberty build-libcpp" |
| |
| # these tools are built for the build environment |
| build_tools="build-texinfo build-flex build-bison build-m4 build-fixincludes" |
| |
| # these libraries are used by various programs built for the host environment |
| #f |
| host_libs="intl libiberty opcodes bfd readline tcl tk itcl libgui zlib libbacktrace libcpp libcody libdecnumber gmp mpfr mpc isl libelf libiconv libctf" |
| |
| # these tools are built for the host environment |
| # Note, the powerpc-eabi build depends on sim occurring before gdb in order to |
| # know that we are building the simulator. |
| # binutils, gas and ld appear in that order because it makes sense to run |
| # "make check" in that particular order. |
| # If --enable-gold is used, "gold" may replace "ld". |
| host_tools="texinfo flex bison binutils gas ld fixincludes gcc cgen sid sim gdb gdbserver gprof etc expect dejagnu m4 utils guile fastjar gnattools libcc1 gotools c++tools" |
| |
| # these libraries are built for the target environment, and are built after |
| # the host libraries and the host tools (which may be a cross compiler) |
| # Note that libiberty is not a target library. |
| target_libraries="target-libgcc \ |
| target-libbacktrace \ |
| target-libgloss \ |
| target-newlib \ |
| target-libgomp \ |
| target-liboffloadmic \ |
| target-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 |
| |
| # 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*-*-*) |
| configdirs="$configdirs gold" |
| if test x${ENABLE_GOLD} = xdefault; then |
| default_ld=gold |
| fi |
| ENABLE_GOLD=yes |
| ;; |
| esac |
| fi |
| ;; |
| no) |
| ;; |
| *) |
| AC_MSG_ERROR([invalid --enable-gold argument]) |
| ;; |
| esac |
| |
| AC_ARG_ENABLE(ld, |
| [AS_HELP_STRING([[--enable-ld[=ARG]]], |
| [build ld @<:@ARG={default,yes,no}@:>@])], |
| ENABLE_LD=$enableval, |
| ENABLE_LD=yes) |
| |
| case "${ENABLE_LD}" in |
| default) |
| if test x${default_ld} != x; then |
| AC_MSG_ERROR([either gold or ld can be the default ld]) |
| fi |
| ;; |
| yes) |
| ;; |
| no) |
| if test x${ENABLE_GOLD} != xyes; then |
| AC_MSG_WARN([neither ld nor gold are enabled]) |
| fi |
| configdirs=`echo " ${configdirs} " | sed -e 's/ ld / /'` |
| ;; |
| *) |
| AC_MSG_ERROR([invalid --enable-ld argument]) |
| ;; |
| esac |
| |
| # PR gas/19109 |
| # Decide the default method for compressing debug sections. |
| # Provide a configure time option to override our default. |
| AC_ARG_ENABLE(compressed_debug_sections, |
| [AS_HELP_STRING([--enable-compressed-debug-sections={all,gas,gold,ld,none}], |
| [Enable compressed debug sections for gas, gold or ld by |
| default])], |
| [ |
| if test x"$enable_compressed_debug_sections" = xyes; then |
| AC_MSG_ERROR([no program with compressed debug sections specified]) |
| fi |
| ], [enable_compressed_debug_sections=]) |
| |
| # Configure extra directories which are host specific |
| |
| case "${host}" in |
| *-cygwin*) |
| configdirs="$configdirs libtermcap" ;; |
| esac |
| |
| # A target can indicate whether a language isn't supported for some reason. |
| # Only spaces may be used in this macro; not newlines or tabs. |
| unsupported_languages= |
| |
| # Remove more programs from consideration, based on the host or |
| # target this usually means that a port of the program doesn't |
| # exist yet. |
| |
| case "${host}" in |
| i[[3456789]]86-*-msdosdjgpp*) |
| noconfigdirs="$noconfigdirs tcl tk itcl" |
| ;; |
| esac |
| |
| |
| AC_ARG_ENABLE(libquadmath, |
| AS_HELP_STRING([--disable-libquadmath], |
| [do not build libquadmath directory]), |
| ENABLE_LIBQUADMATH=$enableval, |
| ENABLE_LIBQUADMATH=yes) |
| if test "${ENABLE_LIBQUADMATH}" = "no" ; then |
| noconfigdirs="$noconfigdirs target-libquadmath" |
| fi |
| |
| |
| AC_ARG_ENABLE(libquadmath-support, |
| AS_HELP_STRING([--disable-libquadmath-support], |
| [disable libquadmath support for Fortran]), |
| ENABLE_LIBQUADMATH_SUPPORT=$enableval, |
| ENABLE_LIBQUADMATH_SUPPORT=yes) |
| enable_libquadmath_support= |
| if test "${ENABLE_LIBQUADMATH_SUPPORT}" = "no" ; then |
| enable_libquadmath_support=no |
| fi |
| |
| |
| AC_ARG_ENABLE(libada, |
| [AS_HELP_STRING([--enable-libada], [build libada directory])], |
| ENABLE_LIBADA=$enableval, |
| ENABLE_LIBADA=yes) |
| if test "${ENABLE_LIBADA}" != "yes" ; then |
| noconfigdirs="$noconfigdirs gnattools" |
| fi |
| |
| AC_ARG_ENABLE(libssp, |
| [AS_HELP_STRING([--enable-libssp], [build libssp directory])], |
| ENABLE_LIBSSP=$enableval, |
| ENABLE_LIBSSP=yes) |
| |
| AC_ARG_ENABLE(libstdcxx, |
| AS_HELP_STRING([--disable-libstdcxx], |
| [do not build libstdc++-v3 directory]), |
| ENABLE_LIBSTDCXX=$enableval, |
| ENABLE_LIBSTDCXX=default) |
| [if test "${ENABLE_LIBSTDCXX}" = "no" ; then |
| noconfigdirs="$noconfigdirs target-libstdc++-v3" |
| fi] |
| |
| # If this is accelerator compiler and its target is intelmic we enable |
| # target liboffloadmic by default. If this is compiler with offloading |
| # for intelmic we enable host liboffloadmic by default. Otherwise |
| # liboffloadmic is disabled by default. |
| AC_ARG_ENABLE([liboffloadmic], |
| AC_HELP_STRING([[--enable-liboffloadmic[=ARG]]], |
| [build liboffloadmic @<:@ARG={no,host,target}@:>@]), |
| [case "$enableval" in |
| no | host | target) |
| enable_liboffloadmic=$enableval ;; |
| *) |
| AC_MSG_ERROR([--enable-liboffloadmic=no/host/target]) ;; |
| esac], |
| [if test x"$enable_as_accelerator_for" != x; then |
| case "${target}" in |
| *-intelmic-* | *-intelmicemul-*) |
| enable_liboffloadmic=target |
| extra_liboffloadmic_configure_flags="--enable-liboffloadmic=target" |
| ;; |
| *) |
| enable_liboffloadmic=no |
| ;; |
| esac |
| else |
| case "${enable_offload_targets}" in |
| *-intelmic-* | *-intelmicemul-*) |
| enable_liboffloadmic=host |
| extra_liboffloadmic_configure_flags="--enable-liboffloadmic=host" |
| ;; |
| *) |
| enable_liboffloadmic=no |
| ;; |
| esac |
| fi]) |
| AC_SUBST(extra_liboffloadmic_configure_flags) |
| |
| # Enable libgomp by default on hosted POSIX systems, and a few others. |
| if test x$enable_libgomp = x ; then |
| case "${target}" in |
| *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu) |
| ;; |
| *-*-netbsd* | *-*-freebsd* | *-*-openbsd* | *-*-dragonfly*) |
| ;; |
| *-*-solaris2* | *-*-hpux11*) |
| ;; |
| *-*-darwin* | *-*-aix*) |
| ;; |
| nvptx*-*-* | 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-libstdc++-v3 |
| 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 <http://gcc.gnu.org/ml/gcc-patches/2004-11/msg00572.html>. |
| 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 |
| ;; |
| 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 "x$with_gmp_dir" = 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" |
| ;; |
| 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} |
| 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_CMP_IGNORE_INITIAL |
| |
| AC_ARG_ENABLE([bootstrap], |
| [AS_HELP_STRING([--enable-bootstrap], |
| [enable bootstrapping @<:@yes if native build@:>@])],, |
| enable_bootstrap=default) |
| |
| # Issue errors and warnings for invalid/strange bootstrap combinations. |
| if test -r $srcdir/gcc/configure; then |
| have_compiler=yes |
| else |
| have_compiler=no |
| fi |
| |
| case "$have_compiler:$host:$target:$enable_bootstrap" in |
| *:*:*:no) ;; |
| |
| # Default behavior. Enable bootstrap if we have a compiler |
| # and we are in a native configuration. |
| yes:$build:$build:default) |
| enable_bootstrap=yes ;; |
| |
| *:*:*:default) |
| enable_bootstrap=no ;; |
| |
| # We have a compiler and we are in a native configuration, bootstrap is ok |
| yes:$build:$build:yes) |
| ;; |
| |
| # Other configurations, but we have a compiler. Assume the user knows |
| # what he's doing. |
| yes:*:*:yes) |
| AC_MSG_WARN([trying to bootstrap a cross compiler]) |
| ;; |
| |
| # No compiler: if they passed --enable-bootstrap explicitly, fail |
| no:*:*:yes) |
| AC_MSG_ERROR([cannot bootstrap without a compiler]) ;; |
| |
| # Fail if wrong command line |
| *) |
| AC_MSG_ERROR([invalid option for --enable-bootstrap]) |
| ;; |
| esac |
| |
| # When bootstrapping with GCC, build stage 1 in C++11 mode to ensure that a |
| # C++11 compiler can still start the bootstrap. Otherwise, if building GCC, |
| # require C++11 (or higher). |
| if test "$enable_bootstrap:$GXX" = "yes:yes"; then |
| CXX="$CXX -std=c++11" |
| elif test "$have_compiler" = yes; then |
| AX_CXX_COMPILE_STDCXX(11) |
| |
| if test "${build}" != "${host}"; then |
| AX_CXX_COMPILE_STDCXX(11, [], [], [_FOR_BUILD]) |
| fi |
| fi |
| |
| # Used for setting $lt_cv_objdir |
| _LT_CHECK_OBJDIR |
| |
| # Check for GMP, MPFR and MPC |
| gmplibs="-lmpc -lmpfr -lgmp" |
| gmpinc= |
| have_gmp=no |
| |
| # Specify a location for mpc |
| # check for this first so it ends up on the link line before mpfr. |
| AC_ARG_WITH(mpc, |
| [AS_HELP_STRING([--with-mpc=PATH], |
| [specify prefix directory for installed MPC package. |
| Equivalent to --with-mpc-include=PATH/include |
| plus --with-mpc-lib=PATH/lib])]) |
| AC_ARG_WITH(mpc-include, |
| [AS_HELP_STRING([--with-mpc-include=PATH], |
| [specify directory for installed MPC include files])]) |
| AC_ARG_WITH(mpc-lib, |
| [AS_HELP_STRING([--with-mpc-lib=PATH], |
| [specify directory for the installed MPC library])]) |
| |
| if test "x$with_mpc" != x; then |
| gmplibs="-L$with_mpc/lib $gmplibs" |
| gmpinc="-I$with_mpc/include $gmpinc" |
| fi |
| if test "x$with_mpc_include" != x; then |
| gmpinc="-I$with_mpc_include $gmpinc" |
| fi |
| if test "x$with_mpc_lib" != x; then |
| gmplibs="-L$with_mpc_lib $gmplibs" |
| fi |
| if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then |
| gmplibs='-L$$r/$(HOST_SUBDIR)/mpc/src/'"$lt_cv_objdir $gmplibs" |
| gmpinc='-I$$s/mpc/src '"$gmpinc" |
| # Do not test the mpc version. Assume that it is sufficient, since |
| # it is in the source tree, and the library has not been built yet |
| # but it would be included on the link line in the version check below |
| # hence making the test fail. |
| have_gmp=yes |
| fi |
| |
| # Specify a location for mpfr |
| # check for this first so it ends up on the link line before gmp. |
| AC_ARG_WITH(mpfr-dir, |
| [AS_HELP_STRING([--with-mpfr-dir=PATH], [this option has been REMOVED])], |
| [AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed. |
| Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH])]) |
| |
| AC_ARG_WITH(mpfr, |
| [AS_HELP_STRING([--with-mpfr=PATH], |
| [specify prefix directory for installed MPFR package. |
| Equivalent to --with-mpfr-include=PATH/include |
| plus --with-mpfr-lib=PATH/lib])]) |
| AC_ARG_WITH(mpfr-include, |
| [AS_HELP_STRING([--with-mpfr-include=PATH], |
| [specify directory for installed MPFR include files])]) |
| AC_ARG_WITH(mpfr-lib, |
| [AS_HELP_STRING([--with-mpfr-lib=PATH], |
| [specify directory for the installed MPFR library])]) |
| |
| if test "x$with_mpfr" != x; then |
| gmplibs="-L$with_mpfr/lib $gmplibs" |
| gmpinc="-I$with_mpfr/include $gmpinc" |
| fi |
| if test "x$with_mpfr_include" != x; then |
| gmpinc="-I$with_mpfr_include $gmpinc" |
| fi |
| if test "x$with_mpfr_lib" != x; then |
| gmplibs="-L$with_mpfr_lib $gmplibs" |
| fi |
| if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then |
| # MPFR v3.1.0 moved the sources into a src sub-directory. |
| if ! test -d ${srcdir}/mpfr/src; then |
| AC_MSG_ERROR([dnl |
| Building GCC with MPFR in the source tree is only handled for MPFR 3.1.0+.]) |
| fi |
| gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir $gmplibs" |
| gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr/src -I$$s/mpfr/src '"$gmpinc" |
| extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr/src --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir" |
| # Do not test the mpfr version. Assume that it is sufficient, since |
| # it is in the source tree, and the library has not been built yet |
| # but it would be included on the link line in the version check below |
| # hence making the test fail. |
| have_gmp=yes |
| fi |
| |
| # Specify a location for gmp |
| AC_ARG_WITH(gmp-dir, |
| [AS_HELP_STRING([--with-gmp-dir=PATH], [this option has been REMOVED])], |
| [AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed. |
| Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH])]) |
| |
| AC_ARG_WITH(gmp, |
| [AS_HELP_STRING([--with-gmp=PATH], |
| [specify prefix directory for the installed GMP package. |
| Equivalent to --with-gmp-include=PATH/include |
| plus --with-gmp-lib=PATH/lib])]) |
| AC_ARG_WITH(gmp-include, |
| [AS_HELP_STRING([--with-gmp-include=PATH], |
| [specify directory for installed GMP include files])]) |
| AC_ARG_WITH(gmp-lib, |
| [AS_HELP_STRING([--with-gmp-lib=PATH], |
| [specify directory for the installed GMP library])]) |
| |
| |
| if test "x$with_gmp" != x; then |
| gmplibs="-L$with_gmp/lib $gmplibs" |
| gmpinc="-I$with_gmp/include $gmpinc" |
| fi |
| if test "x$with_gmp_include" != x; then |
| gmpinc="-I$with_gmp_include $gmpinc" |
| fi |
| if test "x$with_gmp_lib" != x; then |
| gmplibs="-L$with_gmp_lib $gmplibs" |
| fi |
| if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then |
| gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir $gmplibs" |
| gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc" |
| extra_mpfr_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir" |
| extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir" |
| extra_isl_gmp_configure_flags='--with-gmp-builddir=$$r/$(HOST_SUBDIR)/gmp' |
| # Do not test the gmp version. Assume that it is sufficient, since |
| # it is in the source tree, and the library has not been built yet |
| # but it would be included on the link line in the version check below |
| # hence making the test fail. |
| have_gmp=yes |
| fi |
| |
| if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then |
| have_gmp=yes |
| saved_CFLAGS="$CFLAGS" |
| CFLAGS="$CFLAGS $gmpinc" |
| # Check for the recommended and required versions of GMP. |
| AC_MSG_CHECKING([for the correct version of gmp.h]) |
| AC_TRY_COMPILE([#include "gmp.h"],[ |
| #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c)) |
| #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL) |
| #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,3) |
| choke me |
| #endif |
| ], [AC_TRY_COMPILE([#include <gmp.h>],[ |
| #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c)) |
| #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL) |
| #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,3,2) |
| choke me |
| #endif |
| ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])], |
| [AC_MSG_RESULT([no]); have_gmp=no]) |
| |
| # If we have GMP, check the MPFR version. |
| if test x"$have_gmp" = xyes; then |
| # Check for the recommended and required versions of MPFR. |
| AC_MSG_CHECKING([for the correct version of mpfr.h]) |
| AC_TRY_COMPILE([#include <gmp.h> |
| #include <mpfr.h>],[ |
| #if MPFR_VERSION < MPFR_VERSION_NUM(3,1,0) |
| choke me |
| #endif |
| ], [AC_TRY_COMPILE([#include <gmp.h> |
| #include <mpfr.h>],[ |
| #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"$have_gmp" = xyes ; then |
| # Check for the recommended and required versions of MPC. |
| AC_MSG_CHECKING([for the correct version of mpc.h]) |
| AC_TRY_COMPILE([#include <mpc.h>],[ |
| #if MPC_VERSION < MPC_VERSION_NUM(0,8,0) |
| choke me |
| #endif |
| ], [AC_TRY_COMPILE([#include <mpc.h>],[ |
| #if MPC_VERSION < MPC_VERSION_NUM(0,8,1) |
| choke me |
| #endif |
| ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])], |
| [AC_MSG_RESULT([no]); have_gmp=no]) |
| fi |
| |
| # Now check the MPFR library. |
| if test x"$have_gmp" = xyes; then |
| saved_LIBS="$LIBS" |
| LIBS="$LIBS $gmplibs" |
| AC_MSG_CHECKING([for the correct version of the gmp/mpfr/mpc libraries]) |
| AC_TRY_LINK([#include <mpc.h>],[ |
| mpfr_t n; |
| mpfr_t x; |
| mpc_t c; |
| int t; |
| mpfr_init (n); |
| mpfr_init (x); |
| mpfr_atan2 (n, n, x, MPFR_RNDN); |
| mpfr_erfc (n, x, MPFR_RNDN); |
| mpfr_subnormalize (x, t, MPFR_RNDN); |
| mpfr_clear(n); |
| mpfr_clear(x); |
| mpc_init2 (c, 53); |
| mpc_set_ui_ui (c, 1, 1, MPC_RNDNN); |
| mpc_cosh (c, c, MPC_RNDNN); |
| mpc_pow (c, c, c, MPC_RNDNN); |
| mpc_acosh (c, c, MPC_RNDNN); |
| mpc_clear (c); |
| ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no]) |
| LIBS="$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], [host_shared=no]) |
| 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 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="${bootstrap_target_libs}${target_libs}," |
| ;; |
| esac |
| ;; |
| esac |
| ;; |
| esac |
| done |
| |
| # Add target libraries which are only needed for disabled languages |
| # to noconfigdirs. |
| if test -n "$disabled_target_libs"; then |
| for dir in $disabled_target_libs; do |
| case " $enabled_target_libs " in |
| *" ${dir} "*) ;; |
| *) noconfigdirs="$noconfigdirs $dir" ;; |
| esac |
| done |
| fi |
| |
| AC_ARG_ENABLE(stage1-languages, |
| [AS_HELP_STRING([[--enable-stage1-languages[=all]]], |
| [choose additional languages to build during |
| stage1. Mostly useful for compiler development])], |
| [case ,${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-<component> 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= |
| extra_host_zlib_configure_flags= |
| case " $configdirs " in |
| *" lto-plugin "* | *" libcc1 "*) |
| # When these are to be built as shared libraries, the same applies to |
| # libiberty. |
| extra_host_libiberty_configure_flags=--enable-shared |
| ;; |
| *" bfd "*) |
| # When bfd is to be built as a shared library, the same applies to |
| # zlib. |
| if test "$enable_shared" = "yes"; then |
| extra_host_zlib_configure_flags=--enable-host-shared |
| fi |
| ;; |
| esac |
| AC_SUBST(extra_host_libiberty_configure_flags) |
| 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 <<EOF |
| # ${NO_EDIT} |
| dir ${srcdir} |
| dir . |
| source ${srcdir}/.gdbinit |
| EOF |
| ;; |
| esac |
| fi |
| |
| # Make sure that the compiler is able to generate an executable. If it |
| # can't, we are probably in trouble. We don't care whether we can run the |
| # executable--we might be using a cross compiler--we only care whether it |
| # can be created. At this point the main configure script has set CC. |
| we_are_ok=no |
| echo "int main () { return 0; }" > 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=${bootstrap_target_libs}target-libvtv, |
| fi |
| |
| # Determine whether gdb needs tk/tcl or not. |
| # Use 'maybe' since enable_gdbtk might be true even if tk isn't available |
| # and in that case we want gdb to be built without tk. Ugh! |
| # In fact I believe gdb is the *only* package directly dependent on tk, |
| # so we should be able to put the 'maybe's in unconditionally and |
| # leave out the maybe dependencies when enable_gdbtk is false. I'm not |
| # 100% sure that that's safe though. |
| |
| gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui" |
| case "$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" |
| |
| # 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,/" <<EOF_SED > 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" |
| |
| # 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
|