ac_subst_vars='LTLIBOBJS
LIBOBJS
compare_exclusions
+host_shared
stage2_werror_flag
stage1_checking
stage1_cflags
SYSROOT_CFLAGS_FOR_TARGET
stage1_languages
extra_host_libiberty_configure_flags
+extra_linker_plugin_flags
+extra_linker_plugin_configure_flags
clooginc
clooglibs
islinc
enable_libquadmath_support
enable_libada
enable_libssp
+enable_libstdcxx
enable_static_libjava
enable_bootstrap
with_mpc
with_cloog_lib
enable_cloog_version_check
enable_lto
+enable_linker_plugin_configure_flags
+enable_linker_plugin_flags
enable_stage1_languages
enable_objc_gc
with_build_sysroot
with_debug_prefix_map
with_build_config
+enable_vtable_verify
enable_serial_configure
with_build_time_tools
enable_maintainer_mode
enable_stage1_checking
enable_werror
+enable_host_shared
'
ac_precious_vars='build_alias
host_alias
disable libquadmath support for Fortran
--enable-libada build libada directory
--enable-libssp build libssp directory
+ --disable-libstdcxx do not build libstdc++-v3 directory
--enable-static-libjava[=ARG]
build static libjava [default=no]
--enable-bootstrap enable bootstrapping [yes if native build]
--disable-cloog-version-check
disable check for CLooG version
--enable-lto enable link time optimization support
+ --enable-linker-plugin-configure-flags=FLAGS
+ additional flags for configuring linker plugins
+ [none]
+ --enable-linker-plugin-flags=FLAGS
+ additional flags for configuring and building linker
+ plugins [none]
--enable-stage1-languages[=all]
choose additional languages to build during stage1.
Mostly useful for compiler development
--enable-objc-gc enable use of Boehm's garbage collector with the GNU
Objective-C runtime
+ --enable-vtable-verify Enable vtable verification feature
--enable-serial-[{host,target,build}-]configure
force sequential configuration of sub-packages for
the host, target or build machine, or all
choose additional checking for stage1 of the
compiler
--enable-werror enable -Werror in bootstrap stage2 and later
+ --enable-host-shared build host code as shared libraries
Optional Packages:
--with-PACKAGE[=ARG] use PACKAGE [ARG=yes]
target-libgloss \
target-newlib \
target-libgomp \
+ target-libcilkrts \
target-libatomic \
target-libitm \
target-libstdc++-v3 \
- target-libmudflap \
+ target-libsanitizer \
+ target-libvtv \
target-libssp \
target-libquadmath \
target-libgfortran \
is_elf=no
case "${target}" in
*-*-elf* | *-*-sysv4* | *-*-unixware* | *-*-eabi* | hppa*64*-*-hpux* \
- | *-*-linux* | frv-*-uclinux* | *-*-irix5* | *-*-irix6* \
+ | *-*-linux* | *-*-gnu* | frv-*-uclinux* | *-*-irix5* | *-*-irix6* \
| *-*-netbsd* | *-*-openbsd* | *-*-freebsd* | *-*-dragonfly* \
- | *-*-solaris2* | *-*-nto*)
+ | *-*-solaris2* | *-*-nto* | *-*-nacl*)
case "${target}" in
*-*-linux*aout* | *-*-linux*oldld*)
;;
fi
+# Check whether --enable-libstdcxx was given.
+if test "${enable_libstdcxx+set}" = set; then :
+ enableval=$enable_libstdcxx; ENABLE_LIBSTDCXX=$enableval
+else
+ ENABLE_LIBSTDCXX=default
+fi
+
+if test "${ENABLE_LIBSTDCXX}" = "no" ; then
+ noconfigdirs="$noconfigdirs target-libstdc++-v3"
+fi
+
# Save it here so that, even in case of --enable-libgcj, if the Java
# front-end isn't enabled, we still get libgcj disabled.
libgcj_saved=$libgcj
fi
-# 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
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for libcilkrts support" >&5
+$as_echo_n "checking for libcilkrts support... " >&6; }
+ if (srcdir=${srcdir}/libcilkrts; \
+ . ${srcdir}/configure.tgt; \
+ test -n "$UNSUPPORTED")
+ then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+ noconfigdirs="$noconfigdirs target-libcilkrts"
+ else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+ fi
+ fi
+fi
+
# Disable libitm on unsupported systems.
if test -d ${srcdir}/libitm; then
if test x$enable_libitm = x; then
fi
fi
+# Disable libsanitizer on unsupported systems.
+if test -d ${srcdir}/libsanitizer; then
+ if test x$enable_libsanitizer = x; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for libsanitizer support" >&5
+$as_echo_n "checking for libsanitizer support... " >&6; }
+ if (srcdir=${srcdir}/libsanitizer; \
+ . ${srcdir}/configure.tgt; \
+ test -n "$UNSUPPORTED")
+ then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+ noconfigdirs="$noconfigdirs target-libsanitizer"
+ else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+ fi
+ fi
+fi
+
+# Disable libvtv on unsupported systems.
+if test -d ${srcdir}/libvtv; then
+ if test x$enable_libvtv = x; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for libvtv support" >&5
+$as_echo_n "checking for libvtv support... " >&6; }
+ if (srcdir=${srcdir}/libvtv; \
+ . ${srcdir}/configure.tgt; \
+ test "$VTV_SUPPORTED" != "yes")
+ then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+ noconfigdirs="$noconfigdirs target-libvtv"
+ else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+ fi
+ fi
+fi
+
# Disable libquadmath for some systems.
case "${target}" in
+ avr-*-*)
+ noconfigdirs="$noconfigdirs target-libquadmath"
+ ;;
# libquadmath is unused on AIX and libquadmath build process use of
# LD_LIBRARY_PATH can break AIX bootstrap.
powerpc-*-aix* | rs6000-*-aix*)
;;
esac
-# Disable libquadmath for some systems.
-case "${target}" in
- avr-*-*)
- noconfigdirs="$noconfigdirs target-libquadmath"
- ;;
-esac
-
# Disable libstdc++-v3 for some systems.
-case "${target}" in
- *-*-vxworks*)
- # VxWorks uses the Dinkumware C++ library.
- noconfigdirs="$noconfigdirs target-libstdc++-v3"
- ;;
- arm*-wince-pe*)
- # the C++ libraries don't build on top of CE's C libraries
- noconfigdirs="$noconfigdirs target-libstdc++-v3"
- ;;
- avr-*-*)
- noconfigdirs="$noconfigdirs target-libstdc++-v3"
- ;;
-esac
+# Allow user to override this if they pass --enable-libstdc++-v3
+if test "${ENABLE_LIBSTDCXX}" = "default" ; then
+ case "${target}" in
+ *-*-vxworks*)
+ # VxWorks uses the Dinkumware C++ library.
+ noconfigdirs="$noconfigdirs target-libstdc++-v3"
+ ;;
+ arm*-wince-pe*)
+ # the C++ libraries don't build on top of CE's C libraries
+ noconfigdirs="$noconfigdirs target-libstdc++-v3"
+ ;;
+ avr-*-*)
+ noconfigdirs="$noconfigdirs target-libstdc++-v3"
+ ;;
+ esac
+fi
# Disable Fortran for some systems.
case "${target}" in
# Disable Java if libffi is not supported.
case "${target}" in
+ aarch64-*-*)
+ ;;
alpha*-*-*)
;;
arm*-*-*)
;;
esac
+# Disable libgo for some systems where it is known to not work.
+# For testing, you can easily override this with --enable-libgo.
+if test x$enable_libgo = x; then
+ case "${target}" in
+ *-*-darwin*)
+ # PR 46986
+ noconfigdirs="$noconfigdirs target-libgo"
+ ;;
+ *-*-cygwin* | *-*-mingw*)
+ noconfigdirs="$noconfigdirs target-libgo"
+ ;;
+ *-*-aix*)
+ noconfigdirs="$noconfigdirs target-libgo"
+ ;;
+ esac
+fi
+
# Default libgloss CPU subdirectory.
libgloss_dir="$target_cpu"
sh*-*-pe|mips*-*-pe|*arm-wince-pe)
libgloss_dir=wince
;;
+ aarch64*-*-* )
+ libgloss_dir=aarch64
+ ;;
arm*-*-*)
libgloss_dir=arm
;;
sh*-*-pe|mips*-*-pe|*arm-wince-pe)
noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
;;
- arc-*-*)
+ arc-*-*|arceb-*-*)
noconfigdirs="$noconfigdirs target-libgloss"
;;
arm-*-pe*)
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="$noconfigdirs gprof"
;;
tic6x-*-*)
noconfigdirs="$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"
;;
isllibs='-L$$r/$(HOST_SUBDIR)/isl/'"$lt_cv_objdir"' '
islinc='-I$$r/$(HOST_SUBDIR)/isl/include -I$$s/isl/include'
ENABLE_ISL_CHECK=no
+ { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using in-tree ISL, disabling version check" >&5
+$as_echo "$as_me: WARNING: using in-tree ISL, disabling version check" >&2;}
fi
CFLAGS="${_isl_saved_CFLAGS} ${islinc} ${gmpinc}"
LDFLAGS="${_isl_saved_LDFLAGS} ${isllibs}"
LIBS="${_isl_saved_LIBS} -lisl"
- echo $CFLAGS
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking for version 0.10 of ISL" >&5
-$as_echo_n "checking for version 0.10 of ISL... " >&6; }
-if test "${gcc_cv_isl+set}" = set; then :
- $as_echo_n "(cached) " >&6
-else
- if test "$cross_compiling" = yes; then :
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for version 0.12 of ISL" >&5
+$as_echo_n "checking for version 0.12 of ISL... " >&6; }
+ if test "$cross_compiling" = yes; then :
gcc_cv_isl=yes
else
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
int
main ()
{
-if (strncmp (isl_version (), "isl-0.10", strlen ("isl-0.10")) != 0)
+if (strncmp (isl_version (), "isl-0.12", strlen ("isl-0.12")) != 0)
return 1;
;
conftest.$ac_objext conftest.beam conftest.$ac_ext
fi
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gcc_cv_isl" >&5
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $gcc_cv_isl" >&5
$as_echo "$gcc_cv_isl" >&6; }
CFLAGS=$_isl_saved_CFLAGS
if test "x${with_cloog_lib}" != x; then
clooglibs="-L$with_cloog_lib"
fi
- if test "x${clooginc}" = x && test "x${clooglibs}" = x \
+ if test "x${clooginc}" = x && test "x${clooglibs}" = x \
&& test -d ${srcdir}/cloog; then
clooglibs='-L$$r/$(HOST_SUBDIR)/cloog/'"$lt_cv_objdir"' '
- clooginc='-I$$r/$(HOST_SUBDIR)/cloog/include -I$$s/cloog/include -I'${srcdir}'/cloog/include '
+ clooginc='-I$$r/$(HOST_SUBDIR)/cloog/include -I$$s/cloog/include'
+ ENABLE_CLOOG_CHECK=no
+ { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using in-tree CLooG, disabling version check" >&5
+$as_echo "$as_me: WARNING: using in-tree CLooG, disabling version check" >&2;}
fi
clooginc="-DCLOOG_INT_GMP ${clooginc}"
CFLAGS="${_cloog_saved_CFLAGS} ${clooginc} ${islinc} ${gmpinc}"
LDFLAGS="${_cloog_saved_LDFLAGS} ${clooglibs} ${isllibs} ${gmplib}"
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking for version 0.17.0 of CLooG" >&5
-$as_echo_n "checking for version 0.17.0 of CLooG... " >&6; }
-if test "${gcc_cv_cloog+set}" = set; then :
- $as_echo_n "(cached) " >&6
-else
- cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for version 0.18.1 of CLooG" >&5
+$as_echo_n "checking for version 0.18.1 of CLooG... " >&6; }
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
#include "cloog/version.h"
int
main ()
{
#if CLOOG_VERSION_MAJOR != 0 \
- || CLOOG_VERSION_MINOR != 17 \
- || CLOOG_VERSION_REVISION < 0
+ || CLOOG_VERSION_MINOR != 18 \
+ || CLOOG_VERSION_REVISION < 1
choke me
#endif
;
gcc_cv_cloog=no
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gcc_cv_cloog" >&5
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $gcc_cv_cloog" >&5
$as_echo "$gcc_cv_cloog" >&6; }
CFLAGS=$_cloog_saved_CFLAGS
fi
+# Check whether --enable-linker-plugin-configure-flags was given.
+if test "${enable_linker_plugin_configure_flags+set}" = set; then :
+ enableval=$enable_linker_plugin_configure_flags; extra_linker_plugin_configure_flags=$enableval
+else
+ extra_linker_plugin_configure_flags=
+fi
+
+
+# Check whether --enable-linker-plugin-flags was given.
+if test "${enable_linker_plugin_flags+set}" = set; then :
+ enableval=$enable_linker_plugin_flags; extra_linker_plugin_flags=$enableval
+else
+ extra_linker_plugin_flags=
+fi
+
+
+
# By default, C and C++ are the only stage 1 languages.
stage1_languages=,c,
;;
esac
-# Disable libitm if we're not building C++
+# Disable libcilkrts, libitm, libsanitizer, libvtv if we're not building C++
case ,${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="$noconfigdirs target-libitm"
+ noconfigdirs="$noconfigdirs target-libcilkrts 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="$extra_linker_plugin_configure_flags \
+ --with-libiberty=../libiberty-linker-plugin";;
+ *)
+ as_fn_error "libiberty missing" "$LINENO" 5;;
+ esac
+fi
+
# 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
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
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for default BUILD_CONFIG" >&5
+$as_echo_n "checking for default BUILD_CONFIG... " >&6; }
+
+
+# Check whether --with-build-config was given.
+if test "${with_build_config+set}" = set; then :
+ withval=$with_build_config; case $with_build_config in
+ yes) with_build_config= ;;
+ no) with_build_config= BUILD_CONFIG= ;;
+ esac
+fi
+
+
+if test "x${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
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $BUILD_CONFIG" >&5
+$as_echo "$BUILD_CONFIG" >&6; }
+
+
+# Use same top-level configure hooks in libgcc/libstdc++/libvtv.
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for --enable-vtable-verify" >&5
+$as_echo_n "checking for --enable-vtable-verify... " >&6; }
+# Check whether --enable-vtable-verify was given.
+if test "${enable_vtable_verify+set}" = set; then :
+ enableval=$enable_vtable_verify; case "$enableval" in
+ yes) enable_vtable_verify=yes ;;
+ no) enable_vtable_verify=no ;;
+ *) enable_vtable_verify=no;;
+ esac
+else
+ enable_vtable_verify=no
+fi
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $enable_vtable_verify" >&5
+$as_echo "$enable_vtable_verify" >&6; }
+
# Record target_configdirs and the configure arguments for target and
# build configuration in Makefile.
target_configdirs=`echo "${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-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!
;;
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
-
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for default BUILD_CONFIG" >&5
-$as_echo_n "checking for default BUILD_CONFIG... " >&6; }
-
-
-# Check whether --with-build-config was given.
-if test "${with_build_config+set}" = set; then :
- withval=$with_build_config; case $with_build_config in
- yes) with_build_config= ;;
- no) with_build_config= BUILD_CONFIG= ;;
- esac
-fi
-
-
-if test "x${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
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $BUILD_CONFIG" >&5
-$as_echo "$BUILD_CONFIG" >&6; }
-
-
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 ${target_configdirs} ; do
target_configargs="--with-cross-host=${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
+ as_fn_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." "$LINENO" 5
+ fi
+ ;;
+esac
+
# Default to --enable-multilib.
if test x${enable_multilib} = x ; then
target_configargs="--enable-multilib ${target_configargs}"
*" --with-newlib "*)
case "$target" in
*-cygwin*)
- FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup -L$$r/$(TARGET_SUBDIR)/winsup/cygwin -L$$r/$(TARGET_SUBDIR)/winsup/w32api/lib -isystem $$s/winsup/include -isystem $$s/winsup/cygwin/include -isystem $$s/winsup/w32api/include'
+ FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/cygwin -isystem $$s/winsup/cygwin/include'
;;
esac
esac
if test $ok = yes; then
# An in-tree tool is available and we can use it
- CXX_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/g++ -B$$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'
+ CXX_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/xg++ -B$$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$$r/$(TARGET_SUBDIR)/libstdc++-v3/libsupc++/.libs'
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: just compiled" >&5
$as_echo "just compiled" >&6; }
elif expr "x$CXX_FOR_TARGET" : "x/" > /dev/null; then
esac
if test $ok = yes; then
# An in-tree tool is available and we can use it
- RAW_CXX_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs'
+ RAW_CXX_FOR_TARGET='$$r/$(HOST_SUBDIR)/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'
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: just compiled" >&5
$as_echo "just compiled" >&6; }
elif expr "x$RAW_CXX_FOR_TARGET" : "x/" > /dev/null; then
esac
+# Enable --enable-host-shared.
+# Check whether --enable-host-shared was given.
+if test "${enable_host_shared+set}" = set; then :
+ enableval=$enable_host_shared; host_shared=$enableval
+else
+ host_shared=no
+fi
+
+
+
# Specify what files to not compare during bootstrap.
compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*"