# 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, 2016, 2019 Free Software Foundation, Inc.
+# 2014, 2015, 2016, 2019, 2022 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
# these libraries are used by various programs built for the host environment
#f
-host_libs="intl libiberty opcodes bfd readline tcl tk itcl libgui zlib libbacktrace libcpp libcody libdecnumber gmp mpfr mpc isl libelf libiconv libctf"
+host_libs="intl libiberty opcodes bfd readline tcl tk itcl libgui zlib libbacktrace libcpp libcody libdecnumber gmp mpfr mpc isl libiconv libctf libsframe"
# 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 gdbserver gprof etc expect dejagnu m4 utils guile fastjar gnattools libcc1 gotools c++tools"
+host_tools="texinfo flex bison binutils gas ld fixincludes gcc cgen sid sim gdb gdbserver gprof etc expect dejagnu m4 utils guile fastjar gnattools libcc1 gm2tools gotools c++tools"
# these libraries are built for the target environment, and are built after
# the host libraries and the host tools (which may be a cross compiler)
target-libgloss \
target-newlib \
target-libgomp \
- target-liboffloadmic \
target-libatomic \
target-libitm \
target-libstdc++-v3 \
target-libffi \
target-libobjc \
target-libada \
+ target-libgm2 \
target-libgo \
target-libphobos \
target-zlib"
noconfigdirs="$noconfigdirs zlib"
fi
+# Don't compile the bundled readline/libreadline.a if --with-system-readline
+# is provided.
+if test x$with_system_readline = xyes ; then
+ noconfigdirs="$noconfigdirs readline"
+fi
+
# some tools are so dependent upon X11 that if we're not building with X,
# it's not even worth trying to configure, much less build, that tool.
# Check for target supported by gold.
case "${target}" in
i?86-*-* | x86_64-*-* | sparc*-*-* | powerpc*-*-* | arm*-*-* \
- | aarch64*-*-* | tilegx*-*-* | mips*-*-* | s390*-*-*)
+ | aarch64*-*-* | mips*-*-* | s390*-*-* | loongarch*-*-*)
configdirs="$configdirs gold"
if test x${ENABLE_GOLD} = xdefault; then
default_ld=gold
noconfigdirs="$noconfigdirs gnattools"
fi
+AC_ARG_ENABLE(libgm2,
+[AS_HELP_STRING([--enable-libgm2], [build libgm2 directory])],
+ENABLE_LIBGM2=$enableval,
+ENABLE_LIBGM2=no)
+if test "${ENABLE_LIBGM2}" != "yes" ; then
+ noconfigdirs="$noconfigdirs gm2tools"
+fi
+
AC_ARG_ENABLE(libssp,
[AS_HELP_STRING([--enable-libssp], [build libssp directory])],
ENABLE_LIBSSP=$enableval,
noconfigdirs="$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 "${enable_offload_targets}" in
- *-intelmic-* | *-intelmicemul-*)
- enable_liboffloadmic=host
- extra_liboffloadmic_configure_flags="--enable-liboffloadmic=host"
- ;;
- *)
- enable_liboffloadmic=no
- ;;
- esac
-fi])
-AC_SUBST(extra_liboffloadmic_configure_flags)
-
# Enable libgomp by default on hosted POSIX systems, and a few others.
if test x$enable_libgomp = x ; then
case "${target}" in
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
esac
# Disable libstdc++-v3 for some systems.
-# Allow user to override this if they pass --enable-libstdc++-v3
+# Allow user to override this if they pass --enable-libstdcxx
if test "${ENABLE_LIBSTDCXX}" = "default" ; then
case "${target}" in
*-*-vxworks*)
hppa*64*-*-hpux*)
noconfigdirs="$noconfigdirs target-libffi"
;;
- hppa*-hp-hpux11*)
- ;;
- hppa*-*-hpux*)
- noconfigdirs="$noconfigdirs target-libffi"
- ;;
ia64*-*-*vms*)
noconfigdirs="$noconfigdirs target-libffi"
;;
i[[3456789]]86-*-*)
libgloss_dir=i386
;;
+ loongarch*-*-*)
+ libgloss_dir=loongarch
+ ;;
m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
libgloss_dir=m68hc11
;;
*-*-dragonfly*)
;;
*-*-freebsd*)
- if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
+ if test "x$with_gmp" = x \
&& ! test -d ${srcdir}/gmp \
&& test -f /usr/local/include/gmp.h; then
with_gmp=/usr/local
h8500-*-*)
noconfigdirs="$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*)
tic6x-*-*)
noconfigdirs="$noconfigdirs sim"
;;
- tilepro*-*-* | tilegx*-*-*)
- noconfigdirs="$noconfigdirs sim"
- ;;
v810-*-*)
noconfigdirs="$noconfigdirs bfd binutils gas gdb ld opcodes target-libgloss"
;;
wasm32-*-*)
noconfigdirs="$noconfigdirs ld"
;;
+ loongarch*-*-linux*)
+ ;;
+ loongarch*-*-*)
+ noconfigdirs="$noconfigdirs gprof"
+ ;;
esac
# If we aren't building newlib, then don't build libgloss, since libgloss
alpha*-linux*)
host_makefile_frag="config/mh-alpha-linux"
;;
- hppa*-hp-hpux10*)
- host_makefile_frag="config/mh-pa-hpux10"
- ;;
hppa*-hp-hpux*)
host_makefile_frag="config/mh-pa"
;;
fi
fi
+AC_ARG_ENABLE([pgo-build],
+[AS_HELP_STRING([--enable-pgo-build[[=lto]]],
+ [enable the PGO build])],
+[enable_pgo_build=$enableval],
+[enable_pgo_build=no])
+
+# Issue errors and warnings for invalid/strange PGO build combinations.
+case "$have_compiler:$host:$target:$enable_pgo_build" in
+ *:*:*:no) ;;
+
+ # Allow the PGO build only if we aren't building a compiler and
+ # we are in a native configuration.
+ no:$build:$build:yes | no:$build:$build:lto) ;;
+
+ # Disallow the PGO bootstrap if we are building a compiler.
+ yes:*:*:yes | yes:*:*:lto)
+ AC_MSG_ERROR([cannot perform the PGO bootstrap when building a compiler]) ;;
+
+ *)
+ AC_MSG_ERROR([invalid option for --enable-pgo-build])
+ ;;
+esac
+
+if test "$enable_pgo_build" != "no"; then
+ AC_MSG_CHECKING([whether the compiler supports -fprofile-generate])
+ old_CFLAGS="$CFLAGS"
+ PGO_BUILD_GEN_CFLAGS="-fprofile-generate"
+ CFLAGS="$CFLAGS $PGO_BUILD_CFLAGS"
+ AC_COMPILE_IFELSE([AC_LANG_SOURCE([int foo;])],,
+ [PGO_BUILD_GEN_CFLAGS=])
+ CFLAGS="$old_CFLAGS"
+ if test -n "$PGO_BUILD_GEN_CFLAGS"; then
+ AC_MSG_RESULT([yes])
+ PGO_BUILD_USE_CFLAGS="-fprofile-use"
+ else
+ AC_MSG_RESULT([no])
+ AC_MSG_ERROR([cannot perform the PGO build without -fprofile-generate])
+ fi
+
+ if test "$enable_pgo_build" = "lto"; then
+ AC_MSG_CHECKING([whether the compiler supports -flto=jobserver -ffat-lto-objects])
+ old_CFLAGS="$CFLAGS"
+ PGO_BUILD_LTO_CFLAGS="-flto=jobserver -ffat-lto-objects"
+ CFLAGS="$CFLAGS $PGO_BUILD_LTO_CFLAGS"
+ AC_COMPILE_IFELSE([AC_LANG_SOURCE([int foo;])],,
+ [PGO_BUILD_LTO_CFLAGS=])
+ CFLAGS="$old_CFLAGS"
+ if test -n "$PGO_BUILD_LTO_CFLAGS"; then
+ AC_MSG_RESULT([yes])
+ else
+ AC_MSG_RESULT([no])
+ AC_MSG_WARN([LTO is disabled for the PGO build])
+ fi
+ fi
+fi
+AC_SUBST(PGO_BUILD_GEN_CFLAGS)
+AC_SUBST(PGO_BUILD_USE_CFLAGS)
+AC_SUBST(PGO_BUILD_LTO_CFLAGS)
+
# Used for setting $lt_cv_objdir
_LT_CHECK_OBJDIR
# Check for GMP, MPFR and MPC
-gmplibs="-lmpc -lmpfr -lgmp"
+require_gmp=no
+require_mpc=no
+if test -d ${srcdir}/gcc ; then
+ require_gmp=yes
+ require_mpc=yes
+fi
+if test -d ${srcdir}/gdb ; then
+ if test "x$enable_gdb" != xno; then
+ require_gmp=yes
+ fi
+fi
+
+gmplibs="-lmpfr -lgmp"
+if test x"$require_mpc" = "xyes" ; then
+ gmplibs="-lmpc $gmplibs"
+fi
gmpinc=
have_gmp=no
# Specify a location for mpfr
# check for this first so it ends up on the link line before gmp.
-AC_ARG_WITH(mpfr-dir,
-[AS_HELP_STRING([--with-mpfr-dir=PATH], [this option has been REMOVED])],
-[AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed.
-Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH])])
-
AC_ARG_WITH(mpfr,
[AS_HELP_STRING([--with-mpfr=PATH],
[specify prefix directory for installed MPFR package.
fi
# Specify a location for gmp
-AC_ARG_WITH(gmp-dir,
-[AS_HELP_STRING([--with-gmp-dir=PATH], [this option has been REMOVED])],
-[AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed.
-Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH])])
-
AC_ARG_WITH(gmp,
[AS_HELP_STRING([--with-gmp=PATH],
[specify prefix directory for the installed GMP package.
have_gmp=yes
fi
-if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then
+if test "x$require_gmp" = xyes && test "x$have_gmp" = xno; then
have_gmp=yes
saved_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS $gmpinc"
fi
# Check for the MPC header version.
- if test x"$have_gmp" = xyes ; then
+ if test "x$require_mpc" = xyes && test x"$have_gmp" = xyes ; then
# Check for the recommended and required versions of MPC.
AC_MSG_CHECKING([for the correct version of mpc.h])
AC_TRY_COMPILE([#include <mpc.h>],[
if test x"$have_gmp" = xyes; then
saved_LIBS="$LIBS"
LIBS="$LIBS $gmplibs"
- AC_MSG_CHECKING([for the correct version of the gmp/mpfr/mpc libraries])
- AC_TRY_LINK([#include <mpc.h>],[
+ AC_MSG_CHECKING([for the correct version of the gmp/mpfr libraries])
+ AC_TRY_LINK([#include <mpfr.h>],[
mpfr_t n;
mpfr_t x;
- mpc_t c;
int t;
mpfr_init (n);
mpfr_init (x);
mpfr_subnormalize (x, t, MPFR_RNDN);
mpfr_clear(n);
mpfr_clear(x);
+ ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
+ LIBS="$saved_LIBS"
+ fi
+
+ # Now check the MPC library
+ if test "x$require_mpc" = xyes && test x"$have_gmp" = xyes; then
+ saved_LIBS="$LIBS"
+ LIBS="$LIBS $gmplibs"
+ AC_MSG_CHECKING([for the correct version of the mpc libraries])
+ AC_TRY_LINK([#include <mpc.h>],[
+ mpc_t c;
mpc_init2 (c, 53);
mpc_set_ui_ui (c, 1, 1, MPC_RNDNN);
mpc_cosh (c, c, MPC_RNDNN);
# The library versions listed in the error message below should match
# the HARD-minimums enforced above.
if test x$have_gmp != xyes; then
- AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 3.1.0+ and MPC 0.8.0+.
+ if test -d ${srcdir}/gcc ; then
+ AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 3.1.0+ and MPC 0.8.0+.
Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify
their locations. Source code for these libraries can be found at
their respective hosting sites as well as at
you obtained GMP, MPFR and/or MPC from a vendor distribution package,
make sure that you have installed both the libraries and the header
files. They may be located in separate packages.])
+ else
+ AC_MSG_ERROR([Building GDB requires GMP 4.2+, and MPFR 3.1.0+.
+Try the --with-gmp and/or --with-mpfr options to specify
+their locations. If you obtained GMP and/or MPFR from a vendor
+distribution package, make sure that you have installed both the libraries
+and the header files. They may be located in separate packages.])
+ fi
fi
fi
extra_linker_plugin_flags=)
AC_SUBST(extra_linker_plugin_flags)
+# Handle --enable-host-pie
+# If host PIE executables are the default (or must be forced on) for some host,
+# we must pass that configuration to the gcc directory.
+gcc_host_pie=
+AC_ARG_ENABLE(host-pie,
+[AS_HELP_STRING([--enable-host-pie],
+ [build position independent host executables])],
+[host_pie=$enableval
+ case $host in
+ *-*-darwin2*)
+ if test x$host_pie != xyes ; then
+ # for Darwin20+ this is required.
+ AC_MSG_WARN([PIE executables are required for the configured host, host-pie setting ignored.])
+ host_pie=yes
+ gcc_host_pie=--enable-host-pie
+ fi ;;
+ *) ;;
+ esac],
+[case $host in
+ *-*-darwin2*)
+ # Default to PIE (mandatory for aarch64).
+ host_pie=yes
+ gcc_host_pie=--enable-host-pie
+ ;;
+ *) host_pie=no ;;
+ esac])
+
+AC_SUBST(host_pie)
+AC_SUBST(gcc_host_pie)
+
# Enable --enable-host-shared.
# Checked early to determine whether jit is an 'all' language
AC_ARG_ENABLE(host-shared,
[AS_HELP_STRING([--enable-host-shared],
[build host code as shared libraries])],
[host_shared=$enableval
- case $target in
+ case $host in
x86_64-*-darwin* | aarch64-*-darwin*)
if test x$host_shared != xyes ; then
# PIC is the default, and actually cannot be switched off.
- echo configure.ac: warning: PIC code is required for the configured target, host-shared setting ignored. 1>&2
+ AC_MSG_WARN([PIC code is required for the configured host; host-shared setting ignored.])
+ host_shared=yes
+ fi ;;
+ *-*-darwin*)
+ if test x$host_pie = xyes -a x$host_shared != xyes ; then
+ AC_MSG_WARN([PIC code is required for PIE host executables host-shared setting ignored.])
host_shared=yes
fi ;;
*) ;;
esac],
-[case $target in
+[case $host in
+ # 64B x86_64 and Aarch64 Darwin default to PIC.
x86_64-*-darwin* | aarch64-*-darwin*) host_shared=yes ;;
- *) host_shared=no ;;
+ # 32B and powerpc64 Darwin must use PIC to link PIE exes.
+ *-*-darwin*) host_shared=$host_pie ;;
+ *) host_shared=no;;
esac])
+
AC_SUBST(host_shared)
+if test x$host_shared = xyes; then
+ case $host in
+ *-*-darwin*)
+ # Since host shared is the default for 64b Darwin, and also enabled for
+ # host_pie, ensure that we present the PIE flag when host_pie is active.
+ if test x$host_pie = xyes; then
+ PICFLAG=-fPIE
+ fi
+ ;;
+ *)
+ PICFLAG=-fPIC
+ ;;
+ esac
+elif test x$host_pie = xyes; then
+ PICFLAG=-fPIE
+else
+ PICFLAG=
+fi
+
+AC_SUBST(PICFLAG)
+
+# If we are building PIC/PIE host executables, and we are building dependent
+# libs (e.g. GMP) in-tree those libs need to be configured to generate PIC
+# code.
+host_libs_picflag=
+if test "$host_shared" = "yes" -o "$host_pie" = "yes"; then
+host_libs_picflag='--with-pic'
+fi
+AC_SUBST(host_libs_picflag)
+
# By default, C and C++ are the only stage 1 languages.
stage1_languages=,c,
fi
esac
-# Disable libitm, libsanitizer, libvtv, liboffloadmic if we're not building C++
+# Disable libitm, libsanitizer, libvtv if we're not building C++
case ,${enable_languages}, in
*,c++,*)
# Disable libitm, libsanitizer if we're not building libstdc++
esac
;;
*)
- noconfigdirs="$noconfigdirs target-liboffloadmic target-libitm target-libsanitizer target-libvtv"
+ noconfigdirs="$noconfigdirs target-libitm target-libsanitizer target-libvtv"
;;
esac
# 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 "*)
+ *" lto-plugin "* | *" libcc1 "* | *" gdbserver "*)
# 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)
+
+# Sometimes we have special requirements for the host zlib.
+extra_host_zlib_configure_flags=
+case " $configdirs " in
*" bfd "*)
# When bfd is to be built as a shared library, the same applies to
# zlib.
fi
;;
esac
-AC_SUBST(extra_host_libiberty_configure_flags)
AC_SUBST(extra_host_zlib_configure_flags)
# Produce a warning message for the subdirs we can't configure.
/^@unless /d
/^@endunless /d"
+if test "$enable_pgo_build" != "no"; then
+ extrasub_build="$extrasub_build
+/^@if pgo-build\$/d
+/^@endif pgo-build\$/d"
+fi
+
# Create the serialization dependencies. This uses a temporary file.
AC_ARG_ENABLE([serial-configure],
# These force 'configure's to be done one at a time, to avoid problems
# with contention over a shared config.cache.
rm -f serdep.tmp
+if test "x${enable_serial_build_configure}" = xyes || test "x${enable_serial_host_configure}" = xyes || test "x${enable_serial_target_configure}" = xyes; then
echo '# serdep.tmp' > serdep.tmp
+fi
olditem=
test "x${enable_serial_build_configure}" = xyes &&
for item in ${build_configdirs} ; do
mep*)
FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary"
;;
+ # The VxWorks support for shared libraries is getting in
+ # incrementally. Make sure it doesn't get activated implicitly:
+ *vxworks*)
+ if test "${enable_shared-unset}" = unset ; then
+ enable_shared=no
+ # So the build of libraries knows ...
+ target_configargs="${target_configargs} --disable-shared"
+ # So gcc knows ...
+ host_configargs="${host_configargs} --disable-shared"
+ fi
+ ;;
esac
# Makefile fragments.
NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran)
NCN_STRICT_CHECK_TARGET_TOOLS(GOC_FOR_TARGET, gccgo)
NCN_STRICT_CHECK_TARGET_TOOLS(GDC_FOR_TARGET, gdc)
+NCN_STRICT_CHECK_TARGET_TOOLS(GM2_FOR_TARGET, gm2)
ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar)
ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as)
[gcc/gccgo -B$$r/$(HOST_SUBDIR)/gcc/], go)
GCC_TARGET_TOOL(gdc, GDC_FOR_TARGET, GDC,
[gcc/gdc -B$$r/$(HOST_SUBDIR)/gcc/], d)
+GCC_TARGET_TOOL(gm2, GM2_FOR_TARGET, GM2,
+ [gcc/gm2 -B$$r/$(HOST_SUBDIR)/gcc/], m2)
GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new])
GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO)
GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new])
# Specify what files to not compare during bootstrap.
compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*"
+compare_exclusions="$compare_exclusions | gcc/m2/gm2-compiler-boot/M2Version*"
+compare_exclusions="$compare_exclusions | gcc/m2/gm2-compiler-boot/SYSTEM*"
+compare_exclusions="$compare_exclusions | gcc/m2/gm2version*"
case "$target" in
hppa*64*-*-hpux*) ;;
- hppa*-*-hpux*) compare_exclusions="$compare_exclusions | */libgcc/lib2funcs* | gcc/function-tests.o" ;;
powerpc*-ibm-aix*) compare_exclusions="$compare_exclusions | *libgomp*\$(objext)" ;;
esac
AC_SUBST(compare_exclusions)
projects / thirdparty / gcc.git / blobdiff