CFLAGS_FOR_TARGET
DEBUG_PREFIX_CFLAGS_FOR_TARGET
SYSROOT_CFLAGS_FOR_TARGET
+extra_host_zlib_configure_flags
extra_host_libiberty_configure_flags
stage1_languages
extra_linker_plugin_flags
ac_user_opts='
enable_option_checking
with_build_libsubdir
+with_system_zlib
enable_as_accelerator_for
enable_offload_targets
enable_gold
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-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
--with-PACKAGE[=ARG] use PACKAGE [ARG=yes]
--without-PACKAGE do not use PACKAGE (same as --with-PACKAGE=no)
--with-build-libsubdir=DIR Directory where to find libraries for build system
+ --with-system-zlib use installed libz
--with-mpc=PATH specify prefix directory for installed MPC package.
Equivalent to --with-mpc-include=PATH/include plus
--with-mpc-lib=PATH/lib
fi
use_included_zlib=
+
+# Check whether --with-system-zlib was given.
+if test "${with_system_zlib+set}" = set; then :
+ withval=$with_system_zlib;
+fi
+
# Make sure we don't let ZLIB be added if we didn't want it.
if test x$with_system_zlib = xyes ; then
use_included_zlib=no
avr-*-*)
noconfigdirs="$noconfigdirs target-libstdc++-v3"
;;
+ ft32-*-*)
+ noconfigdirs="$noconfigdirs target-libstdc++-v3"
+ ;;
esac
fi
;;
hppa1.1-*-osf* | hppa1.1-*-bsd* )
;;
+ hppa*64*-*-hpux*)
+ noconfigdirs="$noconfigdirs gdb"
+ ;;
+ hppa*-*-hpux11*)
+ noconfigdirs="$noconfigdirs gdb ld"
+ ;;
hppa*64*-*-linux*)
;;
hppa*-*-linux*)
hppa*-*-openbsd* | \
hppa*64*-*-*)
;;
- hppa*-hp-hpux11*)
- noconfigdirs="$noconfigdirs ld"
- ;;
hppa*-*-pro*)
;;
hppa*-*-*)
;;
ia64*-**-hpux*)
# No ld support yet.
- noconfigdirs="$noconfigdirs libgui itcl ld"
+ noconfigdirs="$noconfigdirs gdb libgui itcl ld"
;;
ia64*-*-*vms*)
# No ld support yet.
*-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"
;;
;;
esac
+# When bootstrapping with GCC, build stage 1 in C++98 mode to ensure that a
+# C++98 compiler can still start the bootstrap.
+if test "$enable_bootstrap:$GXX" = "yes:yes"; then
+ CXX="$CXX -std=gnu++98"
+fi
+
# Used for setting $lt_cv_objdir
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for objdir" >&5
$as_echo_n "checking for objdir... " >&6; }
ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[^ ]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" `
-else
- # Disable all target libraries if not building gcc.
- target_configdirs=
fi
# Handle --disable-<component> generically.
fi
done
+# Exclude target-zlib if target-libjava isn't built.
+case ${target_configdirs} in
+*target-libjava*)
+ ;;
+*)
+ target_configdirs="`echo ${target_configdirs} | sed -e 's/target-zlib//'`"
+ ;;
+esac
+
# libiberty-linker-plugin is special: it doesn't have its own source directory,
# so we have to add it after the preceding checks.
if test x"$extra_linker_plugin_flags$extra_linker_plugin_configure_flags" != x
# 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
+
# 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
:d30v-*)
ospace_frag="config/mt-d30v"
;;
- :m32r-* | :d10v-* | :fr30-*)
+ :m32r-* | :d10v-* | :fr30-* | :i?86*-*-elfiamcu)
ospace_frag="config/mt-ospace"
;;
no:* | :*)
# 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
+ # 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} ${LDFLAGS} conftest.c
fi
rm -f conftest*
if test x${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." "$LINENO" 5
+ as_fn_error "I suspect your system does not have 32-bit development libraries (libc and headers). If you have them, rerun configure with --enable-multilib. If you do not have them, and want to build a 64-bit-only compiler, rerun configure with --disable-multilib." "$LINENO" 5
fi
;;
esac
enableval=$enable_stage1_checking; stage1_checking=--enable-checking=${enable_stage1_checking}
else
if test "x$enable_checking" = xno || test "x$enable_checking" = x; then
- stage1_checking=--enable-checking=yes,types
+ # For --disable-checking or implicit --enable-checking=release, avoid
+ # setting --enable-checking=gc in the default stage1 checking for LTO
+ # bootstraps. See PR62077.
+ stage1_checking=--enable-checking=release,misc,gimple,rtlflag,tree,types
+ case $BUILD_CONFIG in
+ *lto*)
+ if test "x$enable_checking" = x && \
+ test -d ${srcdir}/gcc && \
+ test x"`cat ${srcdir}/gcc/DEV-PHASE`" = xexperimental; then
+ stage1_checking=--enable-checking=yes,types
+ fi;;
+ *) stage1_checking=--enable-checking=yes,types;;
+ esac
else
stage1_checking=--enable-checking=$enable_checking,types
fi
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