# 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 Free Software Foundation, Inc.
+# 2014, 2015, 2016 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
target-libstdc++-v3 \
target-libsanitizer \
target-libvtv \
+ target-libmpx \
target-libssp \
target-libquadmath \
target-libgfortran \
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$with_system_zlib = xyes ; then
use_included_zlib=no
# Check for target supported by gold.
case "${target}" in
i?86-*-* | x86_64-*-* | sparc*-*-* | powerpc*-*-* | arm*-*-* \
- | aarch64*-*-* | tilegx*-*-*)
+ | aarch64*-*-* | tilegx*-*-* | mips*-*-* | s390*-*-*)
configdirs="$configdirs gold"
if test x${ENABLE_GOLD} = xdefault; then
default_ld=gold
;;
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
fi
AC_SUBST(EXTRA_CONFIGARGS_LIBJAVA)
-# 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
+ AC_MSG_CHECKING([for libmpx support])
+ if (srcdir=${srcdir}/libmpx; \
+ . ${srcdir}/configure.tgt; \
+ test "$LIBMPX_SUPPORTED" != "yes")
+ then
+ AC_MSG_RESULT([no])
+ noconfigdirs="$noconfigdirs target-libmpx"
+ else
+ AC_MSG_RESULT([yes])
+ fi
+ fi
+fi
+
+
+
# Disable libquadmath for some systems.
case "${target}" in
avr-*-*)
avr-*-*)
noconfigdirs="$noconfigdirs target-libstdc++-v3"
;;
+ ft32-*-*)
+ noconfigdirs="$noconfigdirs target-libstdc++-v3"
+ ;;
esac
fi
;;
sh-*-* | sh[[34]]*-*-*)
;;
- sh64-*-* | sh5*-*-*)
- ;;
sparc*-*-*)
;;
x86_64-*-*)
*-*-netware*)
noconfigdirs="$noconfigdirs ${libgcj}"
;;
+ *-*-phoenix*)
+ noconfigdirs="$noconfigdirs ${libgcj}"
+ ;;
*-*-rtems*)
noconfigdirs="$noconfigdirs ${libgcj}"
;;
rs6000-*-aix*)
noconfigdirs="$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"
;;
*-*-netware*)
;;
+ *-*-phoenix*)
+ noconfigdirs="$noconfigdirs target-libgloss"
+ ;;
*-*-rtems*)
noconfigdirs="$noconfigdirs target-libgloss"
# this is not caught below because this stanza matches earlier
sh*-*-pe|mips*-*-pe|*arm-wince-pe)
noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
;;
- arc-*-*|arceb-*-*)
- noconfigdirs="$noconfigdirs target-libgloss"
- ;;
arm-*-pe*)
noconfigdirs="$noconfigdirs target-libgloss"
;;
arm-*-riscix*)
noconfigdirs="$noconfigdirs ld target-libgloss"
;;
- avr-*-rtems*)
- ;;
avr-*-*)
if test x${with_avrlibc} != xno; then
noconfigdirs="$noconfigdirs target-newlib target-libgloss"
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.
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-*-*)
+ sh-*-*)
case "${target}" in
sh*-*-elf)
;;
*-mingw*)
host_makefile_frag="config/mh-mingw"
;;
- alpha*-*-linux*)
+ alpha*-linux*)
host_makefile_frag="config/mh-alpha-linux"
;;
hppa*-hp-hpux10*)
;;
esac
+# When bootstrapping with GCC, build stage 1 in C++98 mode to ensure that a
+# C++98 compiler can still start the bootstrap.
+if test "$enable_bootstrap:$GXX" = "yes:yes"; then
+ CXX="$CXX -std=gnu++98"
+fi
+
# Used for setting $lt_cv_objdir
_LT_CHECK_OBJDIR
gmplibs="-L$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
- 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=$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir"
- else
- gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir $gmplibs"
- gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr -I$$s/mpfr '"$gmpinc"
- extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir"
- 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
AC_SUBST(extra_mpc_mpfr_configure_flags)
AC_SUBST(extra_isl_gmp_configure_flags)
-# Allow host libstdc++ to be specified for static linking with PPL.
-AC_ARG_WITH(host-libstdcxx,
-[AS_HELP_STRING([--with-host-libstdcxx=L],
- [use linker arguments L to link with libstdc++
- when linking with PPL])])
-
-case $with_host_libstdcxx in
- no|yes)
- AC_MSG_ERROR([-with-host-libstdcxx needs an argument])
- ;;
-esac
-
# Libraries to use for stage1 or when not bootstrapping.
AC_ARG_WITH(stage1-libs,
[AS_HELP_STRING([--with-stage1-libs=LIBS], [libraries for stage1])],
else
stage1_libs=$withval
fi],
-[stage1_libs=$with_host_libstdcxx])
+[stage1_libs=])
AC_SUBST(stage1_libs)
# Linker flags to use for stage1 or when not bootstrapping.
fi])
AC_SUBST(stage1_ldflags)
-# Libraries to use for stage2 and later builds. This defaults to the
-# argument passed to --with-host-libstdcxx.
+# Libraries to use for stage2 and later builds.
AC_ARG_WITH(boot-libs,
[AS_HELP_STRING([--with-boot-libs=LIBS], [libraries for stage2 and later])],
[if test "$withval" = "no" -o "$withval" = "yes"; then
else
poststage1_libs=$withval
fi],
-[poststage1_libs=$with_host_libstdcxx])
+[poststage1_libs=])
AC_SUBST(poststage1_libs)
# Linker flags to use for stage2 and later builds.
fi])
AC_SUBST(poststage1_ldflags)
-# GCC GRAPHITE dependency ISL.
+# GCC GRAPHITE dependency isl.
# Basic setup is inlined here, actual checks are in config/isl.m4
AC_ARG_WITH(isl,
[AS_HELP_STRING(
[--with-isl=PATH],
- [Specify prefix directory for the installed ISL package.
+ [Specify prefix directory for the installed isl package.
Equivalent to --with-isl-include=PATH/include
plus --with-isl-lib=PATH/lib])])
# Treat --without-isl as a request to disable
# GRAPHITE support and skip all following checks.
if test "x$with_isl" != "xno"; then
- # Check for ISL
+ # 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
+ dnl The versions of isl that work for Graphite
ISL_CHECK_VERSION()
- dnl Only execute fail-action, if ISL has been requested.
+ 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.])])
+ 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 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="$noconfigdirs isl"
build_lto_plugin=yes
],[if test x"$default_enable_lto" = x"yes" ; then
case $target in
- *-apple-darwin9* | *-cygwin* | *-mingw*) ;;
+ *-apple-darwin9* | *-cygwin* | *-mingw* | *djgpp*) ;;
# On other non-ELF platforms, LTO has yet to be validated.
*) enable_lto=no ;;
esac
# warn during gcc/ subconfigure; unless you're bootstrapping with
# -flto it won't be needed until after installation anyway.
case $target in
- *-cygwin* | *-mingw* | *-apple-darwin*) ;;
+ *-cygwin* | *-mingw* | *-apple-darwin* | *djgpp*) ;;
*) if test x"$enable_lto" = x"yes"; then
AC_MSG_ERROR([LTO support is not enabled for this target.])
fi
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
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
# 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 $CFLAGS_FOR_TARGET" ;;
+ esac
+ fi
fi
AC_SUBST(CFLAGS_FOR_TARGET)
if test "x$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 $CXXFLAGS_FOR_TARGET" ;;
+ esac
+ fi
fi
AC_SUBST(CXXFLAGS_FOR_TARGET)
# have requested that this magic not happen.
#
# The command line options always override the explicit settings in
-# configure.in, and the settings in configure.in override this magic.
+# configure.ac, and the settings in configure.ac override this magic.
#
# If the default for a toolchain is to use GNU as and ld, and you don't
# want to do that, then you should use the --without-gnu-as and
:d30v-*)
ospace_frag="config/mt-d30v"
;;
- :m32r-* | :d10v-* | :fr30-*)
+ :m32r-* | :d10v-* | :fr30-* | :i?86*-*-elfiamcu)
ospace_frag="config/mt-ospace"
;;
no:* | :*)
# Use same top-level configure hooks in libgcc/libstdc++/libvtv.
AC_MSG_CHECKING([for --enable-vtable-verify])
AC_ARG_ENABLE(vtable-verify,
-[ --enable-vtable-verify Enable vtable verification feature ],
+[AS_HELP_STRING([--enable-vtable-verify],
+ [Enable vtable verification feature])],
[case "$enableval" in
yes) enable_vtable_verify=yes ;;
no) enable_vtable_verify=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
- 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.])
+ 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
[choose additional checking for stage1 of the compiler])],
[stage1_checking=--enable-checking=${enable_stage1_checking}],
[if test "x$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.
+ case $BUILD_CONFIG in
+ *lto*)
+ stage1_checking=--enable-checking=release,misc,gimple,rtlflag,tree,types;;
+ *)
+ stage1_checking=--enable-checking=yes,types;;
+ esac
+ if test "x$enable_checking" = x && \
+ test -d ${srcdir}/gcc && \
+ test x"`cat ${srcdir}/gcc/DEV-PHASE`" = xexperimental; then
+ stage1_checking=--enable-checking=yes,types,extra
+ fi
else
stage1_checking=--enable-checking=$enable_checking,types
fi])
[host_shared=$enableval], [host_shared=no])
AC_SUBST(host_shared)
+# PR jit/64780: Require the user to explicitly specify
+# --enable-host-shared if the jit is enabled, hinting
+# that they might want to do a separate configure/build of
+# the jit, to avoid users from slowing down the rest of the
+# compiler by enabling the jit.
+if test ${host_shared} = "no" ; then
+ case "${enable_languages}" in
+ *jit*)
+ 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.])
+ ;;
+ *)
+ ;;
+ esac
+fi
+
# Specify what files to not compare during bootstrap.
compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*"
projects / gcc.git / blobdiff