# Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
-# 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
+# 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2014
# Free Software Foundation, Inc.
#
# This file is free software; you can redistribute it and/or modify it
m4_include([ltversion.m4])
m4_include([lt~obsolete.m4])
m4_include([config/isl.m4])
-m4_include([config/cloog.m4])
AC_INIT(move-if-change)
AC_PREREQ(2.64)
# these library is used by various programs built for the build
# environment
#
-build_libs="build-libiberty"
+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
-#
-host_libs="intl libiberty opcodes bfd readline tcl tk itcl libgui zlib libbacktrace libcpp libdecnumber gmp mpfr mpc isl cloog libelf libiconv"
+#f
+host_libs="intl libiberty opcodes bfd readline tcl tk itcl libgui zlib libbacktrace libcpp libdecnumber gmp mpfr mpc isl libelf libiconv"
# these tools are built for the host environment
# Note, the powerpc-eabi build depends on sim occurring before gdb in order to
# binutils, gas and ld appear in that order because it makes sense to run
# "make check" in that particular order.
# If --enable-gold is used, "gold" may replace "ld".
-host_tools="texinfo flex bison binutils gas ld fixincludes gcc cgen sid sim gdb gprof etc expect dejagnu m4 utils guile fastjar gnattools"
+host_tools="texinfo flex bison binutils gas ld fixincludes gcc cgen sid sim gdb gprof etc expect dejagnu m4 utils guile fastjar gnattools libcc1"
# libgcj represents the runtime libraries only used by gcj.
libgcj="target-libffi \
target-libgloss \
target-newlib \
target-libgomp \
+ target-libcilkrts \
+ target-liboffloadmic \
target-libatomic \
target-libitm \
target-libstdc++-v3 \
- target-libmudflap \
target-libsanitizer \
+ target-libvtv \
target-libssp \
target-libquadmath \
target-libgfortran \
yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
esac
+AC_ARG_ENABLE(as-accelerator-for,
+[AS_HELP_STRING([--enable-as-accelerator-for=ARG],
+ [build as offload target compiler.
+ Specify offload host triple by ARG])])
+
+AC_ARG_ENABLE(offload-targets,
+[AS_HELP_STRING([--enable-offload-targets=LIST],
+ [enable offloading to devices from comma-separated LIST of
+ TARGET[=DIR]. Use optional path to find offload target compiler
+ during the build])],
+[
+ if test x"$enable_offload_targets" = x; then
+ AC_MSG_ERROR([no offload targets specified])
+ fi
+], [enable_offload_targets=])
+
# Handle --enable-gold, --enable-ld.
# --disable-gold [--enable-ld]
# Build only ld. Default option.
if test "$is_elf" = "yes"; then
# Check for target supported by gold.
case "${target}" in
- i?86-*-* | x86_64-*-* | sparc*-*-* | powerpc*-*-* | arm*-*-* | tilegx*-*-*)
+ i?86-*-* | x86_64-*-* | sparc*-*-* | powerpc*-*-* | arm*-*-* \
+ | aarch64*-*-* | tilegx*-*-*)
configdirs="$configdirs gold"
if test x${ENABLE_GOLD} = xdefault; then
default_ld=gold
ENABLE_LIBSTDCXX=$enableval,
ENABLE_LIBSTDCXX=default)
[if test "${ENABLE_LIBSTDCXX}" = "no" ; then
- noconfigdirs="$noconfigdirs libstdc++-v3"
+ noconfigdirs="$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 "${enable_offload_targets}" in
+ *-intelmic-* | *-intelmicemul-*)
+ enable_liboffloadmic=host
+ extra_liboffloadmic_configure_flags="--enable-liboffloadmic=host"
+ ;;
+ *)
+ enable_liboffloadmic=no
+ ;;
+ esac
+fi])
+AC_SUBST(extra_liboffloadmic_configure_flags)
+
# Save it here so that, even in case of --enable-libgcj, if the Java
# front-end isn't enabled, we still get libgcj disabled.
libgcj_saved=$libgcj
fi
AC_SUBST(EXTRA_CONFIGARGS_LIBJAVA)
-# Disable libmudflap on some systems.
-if test x$enable_libmudflap = x ; then
- case "${target}" in
- *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | bfin*-*-uclinux* | *-*-kopensolaris*-gnu)
- # Enable libmudflap by default in GNU and friends.
- ;;
- *-*-freebsd*)
- # Enable libmudflap by default in FreeBSD.
- ;;
- *)
- # Disable it by default everywhere else.
- noconfigdirs="$noconfigdirs target-libmudflap"
- ;;
- esac
-fi
-
# Disable libgomp on non POSIX hosted systems.
if test x$enable_libgomp = x ; then
# Enable libgomp by default on hosted POSIX systems.
fi
fi
+# Disable libcilkrts on unsupported systems.
+if test -d ${srcdir}/libcilkrts; then
+ if test x$enable_libcilkrts = x; then
+ AC_MSG_CHECKING([for libcilkrts support])
+ if (srcdir=${srcdir}/libcilkrts; \
+ . ${srcdir}/configure.tgt; \
+ test -n "$UNSUPPORTED")
+ then
+ AC_MSG_RESULT([no])
+ noconfigdirs="$noconfigdirs target-libcilkrts"
+ else
+ AC_MSG_RESULT([yes])
+ fi
+ fi
+fi
+
+# Disable liboffloadmic on unsupported systems.
+if test -d ${srcdir}/liboffloadmic; then
+ if test x$enable_liboffloadmic != xno; then
+ AC_MSG_CHECKING([for liboffloadmic support])
+ if (srcdir=${srcdir}/liboffloadmic; \
+ . ${srcdir}/configure.tgt; \
+ test -n "$UNSUPPORTED")
+ then
+ AC_MSG_RESULT([no])
+ noconfigdirs="$noconfigdirs target-liboffloadmic"
+ else
+ AC_MSG_RESULT([yes])
+ fi
+ fi
+fi
+
# Disable libitm on unsupported systems.
if test -d ${srcdir}/libitm; then
if test x$enable_libitm = x; then
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-*-*)
# Disable Java if libffi is not supported.
case "${target}" in
+ aarch64-*-*)
+ ;;
alpha*-*-*)
;;
arm*-*-*)
;;
*-*-lynxos*)
noconfigdirs="$noconfigdirs ${libgcj}"
- ;;
+ ;;
+esac
+
+# Disable the go frontend on systems where it is known to not work. Please keep
+# this in sync with contrib/config-list.mk.
+case "${target}" in
+*-*-darwin* | *-*-cygwin* | *-*-mingw* | *-*-aix*)
+ unsupported_languages="$unsupported_languages go"
+ ;;
esac
# Disable libgo for some systems where it is known to not work.
;;
*-*-rtems*)
noconfigdirs="$noconfigdirs target-libgloss"
+ # this is not caught below because this stanza matches earlier
+ case $target in
+ or1k*-*-*) noconfigdirs="$noconfigdirs gdb" ;;
+ esac
;;
# The tpf target doesn't support gdb yet.
*-*-tpf*)
sh*-*-pe|mips*-*-pe|*arm-wince-pe)
noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
;;
- arc-*-*)
+ arc-*-*|arceb-*-*)
noconfigdirs="$noconfigdirs target-libgloss"
;;
arm-*-pe*)
microblaze*)
noconfigdirs="$noconfigdirs gprof"
;;
- mips*-sde-elf* | mips*-mti-elf*)
+ mips*-sde-elf* | mips*-mti-elf* | mips*-img-elf*)
if test x$with_newlib = xyes; then
noconfigdirs="$noconfigdirs gprof"
fi
noconfigdirs="$noconfigdirs gprof target-libgloss"
;;
mips*-*-bsd*)
- noconfigdirs="$noconfigdirs gprof target-libgloss"
+ noconfigdirs="$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"
;;
+ nds32*-*-*)
+ noconfigdirs="$noconfigdirs gdb"
+ ;;
+ nvptx*-*-*)
+ # nvptx is just a compiler
+ noconfigdirs="$noconfigdirs target-libssp target-libstdc++-v3 target-libobjc"
+ ;;
+ or1k*-*-*)
+ noconfigdirs="$noconfigdirs gdb"
+ ;;
sh-*-* | sh64-*-*)
case "${target}" in
sh*-*-elf)
tic6x-*-*)
noconfigdirs="$noconfigdirs sim"
;;
- tilepro-*-* | tilegx-*-*)
+ tilepro*-*-* | tilegx*-*-*)
noconfigdirs="$noconfigdirs sim"
;;
v810-*-*)
*-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"
;;
fi])
AC_SUBST(poststage1_ldflags)
-# GCC GRAPHITE dependences, ISL and CLOOG which in turn requires ISL.
-# Basic setup is inlined here, actual checks are in config/cloog.m4 and
-# config/isl.m4
+# GCC GRAPHITE dependency ISL.
+# Basic setup is inlined here, actual checks are in config/isl.m4
-AC_ARG_WITH(cloog,
- [AS_HELP_STRING(
- [--with-cloog=PATH],
- [Specify prefix directory for the installed CLooG-ISL package.
- Equivalent to --with-cloog-include=PATH/include
- plus --with-cloog-lib=PATH/lib])])
AC_ARG_WITH(isl,
[AS_HELP_STRING(
[--with-isl=PATH],
Equivalent to --with-isl-include=PATH/include
plus --with-isl-lib=PATH/lib])])
-# Treat either --without-cloog or --without-isl as a request to disable
+# Treat --without-isl as a request to disable
# GRAPHITE support and skip all following checks.
-if test "x$with_isl" != "xno" &&
- test "x$with_cloog" != "xno"; then
+if test "x$with_isl" != "xno"; then
# Check for ISL
dnl Provide configure switches and initialize islinc & isllibs
dnl with user input.
ISL_INIT_FLAGS
dnl The versions of ISL that work for Graphite
- ISL_CHECK_VERSION(0,10)
- if test "${gcc_cv_isl}" = no ; then
- ISL_CHECK_VERSION(0,11)
- fi
+ 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.])])
-
- if test "x$gcc_cv_isl" != "xno"; then
- # Check for CLOOG
- dnl Provide configure switches and initialize clooginc & clooglibs
- dnl with user input.
- CLOOG_INIT_FLAGS
- dnl The versions of CLooG that work for Graphite.
- CLOOG_CHECK_VERSION(0,17,0)
- if test "${gcc_cv_cloog}" = no ; then
- CLOOG_CHECK_VERSION(0,18,0)
- fi
-
- dnl Only execute fail-action, if CLooG has been requested.
- CLOOG_IF_FAILED([
- AC_MSG_ERROR([Unable to find a usable CLooG. See config.log for details.])])
- fi
fi
-# If either the ISL or the CLooG check failed, disable builds of in-tree
-# variants of both
+# If the ISL check failed, disable builds of in-tree variant of ISL
if test "x$with_isl" = xno ||
- test "x$with_cloog" = xno ||
- test "x$gcc_cv_cloog" = xno ||
test "x$gcc_cv_isl" = xno; then
- noconfigdirs="$noconfigdirs cloog isl"
+ noconfigdirs="$noconfigdirs isl"
islinc=
- clooginc=
- clooglibs=
fi
+AC_SUBST(isllibs)
AC_SUBST(islinc)
-AC_SUBST(clooglibs)
-AC_SUBST(clooginc)
-
# Check for LTO support.
AC_ARG_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)
+
# By default, C and C++ are the only stage 1 languages.
stage1_languages=,c,
new_enable_languages=,c,
# If LTO is enabled, add the LTO front end.
- extra_host_libiberty_configure_flags=
if test "$enable_lto" = "yes" ; then
case ,${enable_languages}, in
*,lto,*) ;;
esac
if test "${build_lto_plugin}" = "yes" ; then
configdirs="$configdirs lto-plugin"
- extra_host_libiberty_configure_flags=--enable-shared
fi
fi
- AC_SUBST(extra_host_libiberty_configure_flags)
missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
potential_languages=,c,
;;
esac
-# Disable libitm and libsanitizer if we're not building C++
+# Disable libcilkrts, libitm, libsanitizer, libvtv, liboffloadmic if we're not building C++
case ,${enable_languages}, in
- *,c++,*) ;;
+ *,c++,*)
+ # Disable libcilkrts, libitm, libsanitizer if we're not building libstdc++
+ case "${noconfigdirs}" in
+ *target-libstdc++-v3*)
+ noconfigdirs="$noconfigdirs target-libcilkrts target-libitm target-libsanitizer"
+ ;;
+ *) ;;
+ esac
+ ;;
*)
- noconfigdirs="$noconfigdirs target-libitm target-libsanitizer"
+ noconfigdirs="$noconfigdirs target-libcilkrts target-liboffloadmic target-libitm target-libsanitizer target-libvtv"
;;
esac
fi
done
+# libiberty-linker-plugin is special: it doesn't have its own source directory,
+# so we have to add it after the preceding checks.
+if test x"$extra_linker_plugin_flags$extra_linker_plugin_configure_flags" != x
+then
+ case " $configdirs " in
+ *" libiberty "*)
+ # If we can build libiberty, we can also build libiberty-linker-plugin.
+ configdirs="$configdirs libiberty-linker-plugin"
+ extra_linker_plugin_configure_flags="$extra_linker_plugin_configure_flags \
+ --with-libiberty=../libiberty-linker-plugin";;
+ *)
+ AC_MSG_ERROR([libiberty missing]);;
+ esac
+fi
+
+# Sometimes we have special requirements for the host libiberty.
+extra_host_libiberty_configure_flags=
+case " $configdirs " in
+ *" lto-plugin "* | *" libcc1 "*)
+ # When these are to be built as shared libraries, the same applies to
+ # libiberty.
+ extra_host_libiberty_configure_flags=--enable-shared
+ ;;
+esac
+AC_SUBST(extra_host_libiberty_configure_flags)
+
# 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
spu-*-*)
target_makefile_frag="config/mt-spu"
;;
- mips*-sde-elf* | mips*-mti-elf*)
+ mips*-sde-elf* | mips*-mti-elf* | mips*-img-elf*)
target_makefile_frag="config/mt-sde"
;;
mipsisa*-*-elfoabi*)
mips*-*-*linux* | mips*-*-gnu*)
target_makefile_frag="config/mt-mips-gnu"
;;
+ nios2-*-elf*)
+ target_makefile_frag="config/mt-nios2-elf"
+ ;;
*-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
target_makefile_frag="config/mt-gnu"
;;
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,
+[ --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, bootstrap it.
-if echo " ${target_configdirs} " | grep " libsanitizer " > /dev/null 2>&1 ; then
- bootstrap_target_libs=${bootstrap_target_libs}target-libsanitizer,
+# 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-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.
;;
esac
-# 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)
-
extrasub_build=
for module in ${build_configdirs} ; do
if test -z "${no_recursion}" \
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
-/^@if $module-$bootstrap_suffix\$/d
-/^@endif $module-$bootstrap_suffix\$/d"
+/^@if $module-$host_bootstrap_suffix\$/d
+/^@endif $module-$host_bootstrap_suffix\$/d"
done
extrasub_target=
for module in ${target_configdirs} ; do
changequote([,])
case $lib in
- mpc | mpfr | gmp | cloog)
+ mpc | mpfr | gmp | isl)
# If we're processing --with-$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
# 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.
-build_configargs="$build_configargs --cache-file=../config.cache ${baseargs}"
+# desired. We can't even use the same cache file for all build-side
+# libraries, as they're compiled differently; some with C, some with
+# C++ or with different feature-enabling options.
+build_configargs="$build_configargs --cache-file=./config.cache ${baseargs}"
# For host modules, accept cache file option, or specification as blank.
case "${cache_file}" in
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 developement 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 developement 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}"
ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld)
ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo)
ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm)
+ACX_CHECK_INSTALLED_TARGET_TOOL(OBJCOPY_FOR_TARGET, objcopy)
ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump)
ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib)
ACX_CHECK_INSTALLED_TARGET_TOOL(READELF_FOR_TARGET, readelf)
GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
dnl see comments for CXX_FOR_TARGET_FLAG_TO_PASS
GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX,
- [gcc/xg++ -B$$r/$(HOST_SUBDIR)/gcc/ -nostdinc++ `if test -f $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags; then $(SHELL) $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags --build-includes; else echo -funconfigured-libstdc++-v3 ; fi` -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs],
+ [gcc/xg++ -B$$r/$(HOST_SUBDIR)/gcc/ -nostdinc++ `if test -f $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags; then $(SHELL) $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags --build-includes; else echo -funconfigured-libstdc++-v3 ; fi` -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/libsupc++/.libs],
c++)
GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX,
- [gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs],
+ [gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/libsupc++/.libs],
c++)
GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool])
GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new])
GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO)
GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new])
+GCC_TARGET_TOOL(objcopy, OBJCOPY_FOR_TARGET, OBJDUMP, [binutils/objcopy])
GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump])
GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib])
GCC_TARGET_TOOL(readelf, READELF_FOR_TARGET, READELF, [binutils/readelf])
esac
AC_SUBST(stage2_werror_flag)
+# Enable --enable-host-shared.
+AC_ARG_ENABLE(host-shared,
+[AS_HELP_STRING([--enable-host-shared],
+ [build host code as shared libraries])],
+[host_shared=$enableval], [host_shared=no])
+AC_SUBST(host_shared)
+
# Specify what files to not compare during bootstrap.
compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*"
projects / thirdparty / gcc.git / blobdiff