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
enable_ld
+enable_compressed_debug_sections
enable_libquadmath
enable_libquadmath_support
enable_libada
with_gmp
with_gmp_include
with_gmp_lib
-with_host_libstdcxx
with_stage1_libs
with_stage1_ldflags
with_boot_libs
offload target compiler during the build
--enable-gold[=ARG] build gold [ARG={default,yes,no}]
--enable-ld[=ARG] build ld [ARG={default,yes,no}]
+ --enable-compressed-debug-sections={all,gas,gold,ld}
+ Enable compressed debug sections for gas, gold or ld
+ by default
--disable-libquadmath do not build libquadmath directory
--disable-libquadmath-support
disable libquadmath support for Fortran
build static libjava [default=no]
--enable-bootstrap enable bootstrapping [yes if native build]
--disable-isl-version-check
- disable check for ISL version
+ disable check for isl version
--enable-lto enable link time optimization support
--enable-linker-plugin-configure-flags=FLAGS
additional flags for configuring linker plugins
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
--with-gmp-lib=PATH/lib
--with-gmp-include=PATH specify directory for installed GMP include files
--with-gmp-lib=PATH specify directory for the installed GMP library
- --with-host-libstdcxx=L use linker arguments L to link with libstdc++ when
- linking with PPL
--with-stage1-libs=LIBS libraries for stage1
--with-stage1-ldflags=FLAGS
linker flags for stage1
--with-boot-libs=LIBS libraries for stage2 and later
--with-boot-ldflags=FLAGS
linker flags for stage2 and later
- --with-isl=PATH Specify prefix directory for the installed ISL
+ --with-isl=PATH Specify prefix directory for the installed isl
package. Equivalent to
--with-isl-include=PATH/include plus
--with-isl-lib=PATH/lib
- --with-isl-include=PATH Specify directory for installed ISL include files
- --with-isl-lib=PATH Specify the directory for the installed ISL library
+ --with-isl-include=PATH Specify directory for installed isl include files
+ --with-isl-lib=PATH Specify the directory for the installed isl library
--with-build-sysroot=SYSROOT
use sysroot as the system root during the build
--with-debug-prefix-map='A=B C=D ...'
target-libstdc++-v3 \
target-libsanitizer \
target-libvtv \
+ target-libmpx \
target-libssp \
target-libquadmath \
target-libgfortran \
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$with_system_zlib = xyes ; then
use_included_zlib=no
;;
esac
+# PR gas/19109
+# Decide the default method for compressing debug sections.
+# Provide a configure time option to override our default.
+# Check whether --enable-compressed_debug_sections was given.
+if test "${enable_compressed_debug_sections+set}" = set; then :
+ enableval=$enable_compressed_debug_sections;
+ if test x"$enable_compressed_debug_sections" = xyes; then
+ as_fn_error "no program with compressed debug sections specified" "$LINENO" 5
+ fi
+
+else
+ enable_compressed_debug_sections=
+fi
+
+
# Configure extra directories which are host specific
case "${host}" in
fi
-# Disable libgomp on non POSIX hosted systems.
+# Enable libgomp by default on hosted POSIX systems, and a few others.
if test x$enable_libgomp = x ; then
- # Enable libgomp by default on hosted POSIX systems.
case "${target}" in
*-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
;;
;;
*-*-darwin* | *-*-aix*)
;;
+ nvptx*-*-*)
+ ;;
*)
noconfigdirs="$noconfigdirs target-libgomp"
;;
fi
fi
+
+# Enable libmpx on supported systems by request.
+if test -d ${srcdir}/libmpx; then
+ if test x$enable_libmpx = x; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for libmpx support" >&5
+$as_echo_n "checking for libmpx support... " >&6; }
+ if (srcdir=${srcdir}/libmpx; \
+ . ${srcdir}/configure.tgt; \
+ test "$LIBMPX_SUPPORTED" != "yes")
+ then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+ noconfigdirs="$noconfigdirs target-libmpx"
+ 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-*-*)
avr-*-*)
noconfigdirs="$noconfigdirs target-libstdc++-v3"
;;
+ ft32-*-*)
+ noconfigdirs="$noconfigdirs target-libstdc++-v3"
+ ;;
esac
fi
rs6000-*-aix*)
noconfigdirs="$noconfigdirs ${libgcj}"
;;
+ ft32-*-*)
+ noconfigdirs="$noconfigdirs ${libgcj}"
+ ;;
*-*-lynxos*)
noconfigdirs="$noconfigdirs ${libgcj}"
;;
case "${target}" in
*-*-chorusos)
;;
+ aarch64-*-darwin*)
+ noconfigdirs="$noconfigdirs ld gas gdb gprof"
+ noconfigdirs="$noconfigdirs sim target-rda"
+ ;;
+ 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"
fr30-*-elf*)
noconfigdirs="$noconfigdirs gdb"
;;
+ ft32-*-*)
+ noconfigdirs="$noconfigdirs target-rda gprof"
+ ;;
moxie-*-*)
- noconfigdirs="$noconfigdirs gprof"
+ noconfigdirs="$noconfigdirs"
;;
h8300*-*-*)
noconfigdirs="$noconfigdirs target-libgloss"
;;
hppa1.1-*-osf* | hppa1.1-*-bsd* )
;;
+ hppa*64*-*-hpux*)
+ noconfigdirs="$noconfigdirs gdb"
+ ;;
+ hppa*-*-hpux11*)
+ noconfigdirs="$noconfigdirs gdb ld"
+ ;;
hppa*64*-*-linux*)
;;
hppa*-*-linux*)
hppa*-*-openbsd* | \
hppa*64*-*-*)
;;
- hppa*-hp-hpux11*)
- noconfigdirs="$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.
noconfigdirs="$noconfigdirs gdb"
;;
nvptx*-*-*)
- # nvptx is just a compiler
noconfigdirs="$noconfigdirs target-libssp target-libstdc++-v3 target-libobjc"
;;
or1k*-*-*)
*-mingw*)
host_makefile_frag="config/mh-mingw"
;;
- alpha*-*-linux*)
+ alpha*-linux*)
host_makefile_frag="config/mh-alpha-linux"
;;
hppa*-hp-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
$as_echo_n "checking for objdir... " >&6; }
-# Allow host libstdc++ to be specified for static linking with PPL.
-
-# Check whether --with-host-libstdcxx was given.
-if test "${with_host_libstdcxx+set}" = set; then :
- withval=$with_host_libstdcxx;
-fi
-
-
-case $with_host_libstdcxx in
- no|yes)
- as_fn_error "-with-host-libstdcxx needs an argument" "$LINENO" 5
- ;;
-esac
-
# Libraries to use for stage1 or when not bootstrapping.
# Check whether --with-stage1-libs was given.
stage1_libs=$withval
fi
else
- stage1_libs=$with_host_libstdcxx
+ stage1_libs=
fi
-# Libraries to use for stage2 and later builds. This defaults to the
-# argument passed to --with-host-libstdcxx.
+# Libraries to use for stage2 and later builds.
# Check whether --with-boot-libs was given.
if test "${with_boot_libs+set}" = set; then :
poststage1_libs=$withval
fi
else
- poststage1_libs=$with_host_libstdcxx
+ poststage1_libs=
fi
-# GCC GRAPHITE dependency ISL.
+# GCC GRAPHITE dependency isl.
# Basic setup is inlined here, actual checks are in config/isl.m4
# Treat --without-isl as a request to disable
# GRAPHITE support and skip all following checks.
if test "x$with_isl" != "xno"; then
- # Check for ISL
+ # Check for isl
# Check whether --with-isl-include was given.
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;}
+ { $as_echo "$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
isllibs="${isllibs} -lisl"
_isl_saved_LIBS=$LIBS
CFLAGS="${_isl_saved_CFLAGS} ${islinc} ${gmpinc}"
- LDFLAGS="${_isl_saved_LDFLAGS} ${isllibs}"
- LIBS="${_isl_saved_LIBS} -lisl"
+ LDFLAGS="${_isl_saved_LDFLAGS} ${isllibs} ${gmplibs}"
+ LIBS="${_isl_saved_LIBS} -lisl -lgmp"
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking for compatible ISL" >&5
-$as_echo_n "checking for compatible ISL... " >&6; }
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for isl 0.15 (or deprecated 0.14)" >&5
+$as_echo_n "checking for isl 0.15 (or deprecated 0.14)... " >&6; }
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
-#include <isl/val.h>
+#include <isl/ctx.h>
int
main ()
{
-;
+isl_ctx_get_max_operations (isl_ctx_alloc ());
;
return 0;
}
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gcc_cv_isl" >&5
$as_echo "$gcc_cv_isl" >&6; }
+ if test "${gcc_cv_isl}" = no ; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: recommended isl version is 0.15, minimum required isl version 0.14 is deprecated" >&5
+$as_echo "recommended isl version is 0.15, minimum required isl version 0.14 is deprecated" >&6; }
+ fi
+
CFLAGS=$_isl_saved_CFLAGS
LDFLAGS=$_isl_saved_LDFLAGS
LIBS=$_isl_saved_LIBS
&& test "x${isllibs}" = x \
&& test "x${islinc}" = x ; then
- as_fn_error "Unable to find a usable ISL. See config.log for details." "$LINENO" 5
+ as_fn_error "Unable to find a usable isl. See config.log for details." "$LINENO" 5
fi
fi
-# If the ISL check failed, disable builds of in-tree variant of ISL
+# 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"
case $target in
*-darwin* | *-aix* | *-cygwin* | *-mingw* | *-aout* | *-*coff* | \
*-msdosdjgpp* | *-vms* | *-wince* | *-*-pe* | \
- alpha*-dec-osf* | *-interix* | hppa[12]*-*-hpux*)
+ alpha*-dec-osf* | *-interix* | hppa[12]*-*-hpux* | \
+ nvptx-*-none)
target_elf=no
;;
*)
if test x"${enable_languages+set}" != xset; then
if test x"${LANGUAGES+set}" = xset; then
enable_languages="${LANGUAGES}"
- echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
+ echo configure.ac: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
else
enable_languages=all
fi
if test x"${enable_languages}" = x ||
test x"${enable_languages}" = xyes;
then
- echo configure.in: --enable-languages needs at least one language argument 1>&2
+ echo configure.ac: --enable-languages needs at least one language argument 1>&2
exit 1
fi
fi
# and make the substitution.
case ,${enable_languages}, in
*,f95,*)
- echo configure.in: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2
+ echo configure.ac: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2
enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'`
;;
esac
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/,all,/,/ -e s/,c,/,/ `
potential_languages=,c,
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
# gcc) are built with "-O2 -g", so include those options when setting
# CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET.
if test "x$CFLAGS_FOR_TARGET" = x; then
- CFLAGS_FOR_TARGET=$CFLAGS
- case " $CFLAGS " in
- *" -O2 "*) ;;
- *) CFLAGS_FOR_TARGET="-O2 $CFLAGS_FOR_TARGET" ;;
- esac
- case " $CFLAGS " in
- *" -g "* | *" -g3 "*) ;;
- *) CFLAGS_FOR_TARGET="-g $CFLAGS_FOR_TARGET" ;;
- esac
+ if test "x${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 $CFLAGS_FOR_TARGET" ;;
+ esac
+ fi
fi
if test "x$CXXFLAGS_FOR_TARGET" = x; then
- 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 $CXXFLAGS_FOR_TARGET" ;;
- esac
+ if test "x${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 $CXXFLAGS_FOR_TARGET" ;;
+ esac
+ fi
fi
# have requested that this magic not happen.
#
# The command line options always override the explicit settings in
-# configure.in, and the settings in configure.in override this magic.
+# configure.ac, and the settings in configure.ac override this magic.
#
# If the default for a toolchain is to use GNU as and ld, and you don't
# want to do that, then you should use the --without-gnu-as and
:d30v-*)
ospace_frag="config/mt-d30v"
;;
- :m32r-* | :d10v-* | :fr30-*)
+ :m32r-* | :d10v-* | :fr30-* | :i?86*-*-elfiamcu)
ospace_frag="config/mt-ospace"
;;
no:* | :*)
bootstrap_target_libs=${bootstrap_target_libs}target-libvtv,
fi
+# If we are building libmpx, bootstrap it.
+if echo " ${target_configdirs} " | grep " libmpx " > /dev/null 2>&1; then
+ bootstrap_target_libs=${bootstrap_target_libs}target-libmpx,
+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!
# 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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