# 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
m4_include(config/override.m4)
m4_include(config/proginstall.m4)
m4_include(config/elf.m4)
+m4_include(config/ax_cxx_compile_stdcxx.m4)
+m4_include(config/gcc-plugin.m4)
m4_include([libtool.m4])
m4_include([ltoptions.m4])
m4_include([ltsugar.m4])
# 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 libdecnumber gmp mpfr mpc isl libelf libiconv libctf"
+host_libs="gettext libiberty opcodes bfd readline tcl tk itcl libgui zlib libbacktrace libcpp libcody libdecnumber gmp mpfr mpc isl libiconv libctf libsframe libgrust "
# 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 gprof etc expect dejagnu m4 utils guile fastjar gnattools libcc1 gotools"
+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-libhsail-rt \
target-libatomic \
target-libitm \
target-libstdc++-v3 \
target-libffi \
target-libobjc \
target-libada \
+ target-libgm2 \
target-libgo \
+ target-libgrust \
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="$noconfigdirs readline"
+fi
+
+AC_ARG_WITH(zstd,
+[AS_HELP_STRING([--with-zstd], [Support zstd compressed debug sections (default=auto)])])
+
# some tools are so dependent upon X11 that if we're not building with X,
# it's not even worth trying to configure, much less build, that tool.
fi
], [enable_offload_targets=])
+AC_ARG_ENABLE(offload-defaulted,
+[AS_HELP_STRING([--enable-offload-defaulted]
+ [If enabled, configured but not installed offload compilers and
+ libgomp plugins are silently ignored. Useful for distribution
+ compilers where those are in separate optional packages.])],
+[enable_offload_defaulted=$enableval],
+[enable_offload_defaulted=])
+
# Handle --enable-gold, --enable-ld.
# --disable-gold [--enable-ld]
# Build only ld. Default option.
*-*-elf* | *-*-sysv4* | *-*-unixware* | *-*-eabi* | hppa*64*-*-hpux* \
| *-*-linux* | *-*-gnu* | frv-*-uclinux* | *-*-irix5* | *-*-irix6* \
| *-*-netbsd* | *-*-openbsd* | *-*-freebsd* | *-*-dragonfly* \
- | *-*-solaris2* | *-*-nto* | *-*-nacl*)
+ | *-*-solaris2* | *-*-nto* | *-*-nacl* | *-*-haiku*)
case "${target}" in
*-*-linux*aout* | *-*-linux*oldld*)
;;
;;
esac
+AC_ARG_ENABLE(gprofng,
+[AS_HELP_STRING([[--enable-gprofng[=ARG]]],
+ [build gprofng @<:@ARG={yes,no}@:>@])],
+enable_gprofng=$enableval,
+enable_gprofng=yes)
+if test "$enable_gprofng" = "yes"; then
+ case "${target}" in
+ x86_64-*-linux* | i?86-*-linux* | aarch64-*-linux*)
+ configdirs="$configdirs gprofng"
+ ;;
+ esac
+fi
+
+
# PR gas/19109
# Decide the default method for compressing debug sections.
# Provide a configure time option to override our default.
fi
], [enable_compressed_debug_sections=])
+# Select default compression algorithm.
+AC_ARG_ENABLE(default_compressed_debug_sections_algorithm,
+[AS_HELP_STRING([--enable-default-compressed-debug-sections-algorithm={zlib,zstd}],
+ [Default compression algorithm for --enable-compressed-debug-sections.])],
+[], [default_compressed_debug_sections_algorithm=])
+
# Configure extra directories which are host specific
case "${host}" in
;;
esac
+# Default to --disable-year2038 until we can handle differences between
+# projects that use gnulib (which understands year 2038) and projects that
+# do not (like BFD).
+AC_ARG_ENABLE(year2038,
+AS_HELP_STRING([--enable-year2038],
+ [enable support for timestamps past the year 2038]),
+ENABLE_YEAR2038=$enableval,
+ENABLE_YEAR2038=no)
+enable_year2038=
+if test "${ENABLE_YEAR2038}" = "no" ; then
+ enable_year2038=no
+fi
AC_ARG_ENABLE(libquadmath,
AS_HELP_STRING([--disable-libquadmath],
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 "${target}" in
;;
*-*-darwin* | *-*-aix*)
;;
- nvptx*-*-*)
+ nvptx*-*-* | amdgcn*-*-*)
;;
*)
noconfigdirs="$noconfigdirs target-libgomp"
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
fi
fi
-
-# Disable libhsail-rt on unsupported systems.
-if test -d ${srcdir}/libhsail-rt; then
- if test x$enable_libhsail_rt = x; then
- AC_MSG_CHECKING([for libhsail-rt support])
- if (srcdir=${srcdir}/libhsail-rt; \
- . ${srcdir}/configure.tgt; \
- test -n "$UNSUPPORTED")
- then
- AC_MSG_RESULT([no])
- unsupported_languages="$unsupported_languages brig"
- # This implicitly disables also target-libhsail-rt as it won't
- # get added to the build without BRIG FE.
- else
- AC_MSG_RESULT([yes])
- fi
- fi
-fi
-
-
# Disable libquadmath for some systems.
case "${target}" in
avr-*-*)
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*)
# VxWorks uses the Dinkumware C++ library.
noconfigdirs="$noconfigdirs target-libstdc++-v3"
;;
+ amdgcn*-*-*)
+ # Not ported/fails to build when using newlib.
+ noconfigdirs="$noconfigdirs target-libstdc++-v3"
+ ;;
arm*-wince-pe*)
# the C++ libraries don't build on top of CE's C libraries
noconfigdirs="$noconfigdirs target-libstdc++-v3"
;;
*)
case "${target}" in
- *-*-darwin*)
- unsupported_languages="$unsupported_languages d"
- ;;
bpf-*-*)
unsupported_languages="$unsupported_languages d"
;;
;;
esac
+# Only allow gdbserver on some systems.
+if test -d ${srcdir}/gdbserver; then
+ if test x$enable_gdbserver = x; then
+ AC_MSG_CHECKING([for gdbserver support])
+ if (srcdir=${srcdir}/gdbserver; \
+ . ${srcdir}/configure.srv; \
+ test -n "$UNSUPPORTED")
+ then
+ AC_MSG_RESULT([no])
+ noconfigdirs="$noconfigdirs gdbserver"
+ else
+ AC_MSG_RESULT([yes])
+ fi
+ fi
+fi
+
# Disable libgo for some systems where it is known to not work.
# For testing, you can easily override this with --enable-libgo.
if test x$enable_libgo = x; then
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 ${srcdir}/gmp \
&& test -f /usr/local/include/gmp.h; then
with_gmp=/usr/local
fi
noconfigdirs="$noconfigdirs ld gas gdb gprof sim"
noconfigdirs="$noconfigdirs $target_libraries"
;;
+ pdp11-*-*)
+ noconfigdirs="$noconfigdirs gdb gprof"
+ ;;
powerpc-*-aix*)
# copied from rs6000-*-* entry
noconfigdirs="$noconfigdirs gprof"
wasm32-*-*)
noconfigdirs="$noconfigdirs ld"
;;
+ loongarch*-*-linux*)
+ ;;
+ loongarch*-*-*)
+ noconfigdirs="$noconfigdirs gprof"
+ ;;
esac
# If we aren't building newlib, then don't build libgloss, since libgloss
alpha*-linux*)
host_makefile_frag="config/mh-alpha-linux"
;;
- hppa*-hp-hpux10*)
- host_makefile_frag="config/mh-pa-hpux10"
- ;;
hppa*-hp-hpux*)
host_makefile_frag="config/mh-pa"
;;
hppa*-*)
host_makefile_frag="config/mh-pa"
;;
- *-*-darwin*)
+ i?86-*-darwin[[89]]* | i?86-*-darwin1[[0-7]]* | powerpc*-*-darwin*)
host_makefile_frag="config/mh-darwin"
;;
powerpc-*-aix*)
AR_FOR_BUILD=${AR_FOR_BUILD-ar}
AS_FOR_BUILD=${AS_FOR_BUILD-as}
CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
+ CPP_FOR_BUILD="${CPP_FOR_BUILD-\$(CC_FOR_BUILD) -E}"
CXX_FOR_BUILD=${CXX_FOR_BUILD-g++}
+ DSYMUTIL_FOR_BUILD=${DSYMUTIL_FOR_BUILD-dsymutil}
GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran}
GOC_FOR_BUILD=${GOC_FOR_BUILD-gccgo}
GDC_FOR_BUILD=${GDC_FOR_BUILD-gdc}
AS_FOR_BUILD="\$(AS)"
CC_FOR_BUILD="\$(CC)"
CXX_FOR_BUILD="\$(CXX)"
+ DSYMUTIL_FOR_BUILD="\$(DSYMUTIL)"
GFORTRAN_FOR_BUILD="\$(GFORTRAN)"
GOC_FOR_BUILD="\$(GOC)"
GDC_FOR_BUILD="\$(GDC)"
WINDMC_FOR_BUILD="\$(WINDMC)"
fi
-AC_PROG_CC
+AC_PROG_CC_C99
AC_PROG_CXX
# We must set the default linker to the linker used by gcc for the correct
fi
ACX_PROG_GNAT
+ACX_PROG_GDC
+ACX_PROG_CARGO
ACX_PROG_CMP_IGNORE_INITIAL
AC_ARG_ENABLE([bootstrap],
;;
esac
-# When bootstrapping with GCC, build stage 1 in C++98 mode to ensure that a
-# C++98 compiler can still start the bootstrap.
+# When bootstrapping with GCC, build stage 1 in C++11 mode to ensure that a
+# C++11 compiler can still start the bootstrap. Otherwise, if building GCC,
+# require C++11 (or higher).
if test "$enable_bootstrap:$GXX" = "yes:yes"; then
- CXX="$CXX -std=gnu++98"
+ CXX="$CXX -std=c++11"
+elif test "$have_compiler" = yes; then
+ AX_CXX_COMPILE_STDCXX(11)
+
+ if test "${build}" != "${host}"; then
+ AX_CXX_COMPILE_STDCXX(11, [], [], [_FOR_BUILD])
+ fi
fi
+AC_ARG_ENABLE([pgo-build],
+[AS_HELP_STRING([--enable-pgo-build[[=lto]]],
+ [enable the PGO build])],
+[enable_pgo_build=$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 ${srcdir}/gcc ; then
+ AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 3.1.0+ and MPC 0.8.0+.
Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify
their locations. Source code for these libraries can be found at
their respective hosting sites as well as at
you obtained GMP, MPFR and/or MPC from a vendor distribution package,
make sure that you have installed both the libraries and the header
files. They may be located in separate packages.])
+ else
+ AC_MSG_ERROR([Building GDB requires GMP 4.2+, and MPFR 3.1.0+.
+Try the --with-gmp and/or --with-mpfr options to specify
+their locations. If you obtained GMP and/or MPFR from a vendor
+distribution package, make sure that you have installed both the libraries
+and the header files. They may be located in separate packages.])
+ fi
fi
fi
if test "$poststage1_libs" = ""; then
poststage1_ldflags="-static-libstdc++ -static-libgcc"
fi])
+case $target in
+ *-darwin2* | *-darwin1[[56789]]*)
+ # For these versions, we default to using embedded rpaths.
+ if test "x$enable_darwin_at_rpath" != "xno"; then
+ poststage1_ldflags="$poststage1_ldflags -nodefaultrpaths"
+ fi
+ ;;
+ *-darwin*)
+ # For these versions, we only use embedded rpaths on demand.
+ if test "x$enable_darwin_at_rpath" = "xyes"; then
+ poststage1_ldflags="$poststage1_ldflags -nodefaultrpaths"
+ fi
+ ;;
+esac
AC_SUBST(poststage1_ldflags)
# GCC GRAPHITE dependency isl.
extra_linker_plugin_flags=)
AC_SUBST(extra_linker_plugin_flags)
+# Handle --enable-host-pie
+# If host PIE executables are the default (or must be forced on) for some host,
+# we must pass that configuration to the gcc directory.
+gcc_host_pie=
+AC_ARG_ENABLE(host-pie,
+[AS_HELP_STRING([--enable-host-pie],
+ [build position independent host executables])],
+[host_pie=$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], [host_shared=no])
+[host_shared=$enableval
+ 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.
+ 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 $host in
+ # 64B x86_64 and Aarch64 Darwin default to PIC.
+ x86_64-*-darwin* | aarch64-*-darwin*) host_shared=yes ;;
+ # 32B and powerpc64 Darwin must use PIC to link PIE exes.
+ *-*-darwin*) host_shared=$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,
;;
esac
+ # Disable D if no preexisting GDC is available.
+ case ${add_this_lang}:${language}:${have_gdc} in
+ yes:d:no)
+ # Specifically requested language; tell them.
+ AC_MSG_ERROR([GDC is required to build $language])
+ ;;
+ all:d:no)
+ AC_MSG_WARN([GDC is required to build $language])
+ add_this_lang=unsupported
+ ;;
+ *:d:no)
+ # Silently disable.
+ add_this_lang=unsupported
+ ;;
+ esac
+
# Disable jit if -enable-host-shared not specified
- case ${add_this_lang}:${language}:${host_shared} in
- yes:jit:no)
- # PR jit/64780: explicitly specify --enable-host-shared
+ # but not if building for Mingw. All code in Windows
+ # is position independent code (PIC).
+ case $target in
+ *mingw*) ;;
+ *)
+ case ${add_this_lang}:${language}:${host_shared} in
+ yes:jit:no)
+ # PR jit/64780: explicitly specify --enable-host-shared
AC_MSG_ERROR([
Enabling language "jit" requires --enable-host-shared.
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.])
- ;;
- all:jit:no)
- AC_MSG_WARN([--enable-host-shared required to build $language])
+ ;;
+ all:jit:no)
+ AC_MSG_WARN([--enable-host-shared required to build $language])
+ add_this_lang=unsupported
+ ;;
+ *:jit:no)
+ # Silently disable.
+ add_this_lang=unsupported
+ ;;
+ esac
+ ;;
+ esac
+
+ # Pre-conditions to consider whether cargo being supported.
+ if test x"$have_cargo" = xyes \
+ && test x"$build" != x"$host"; then
+ # Until <https://github.com/Rust-GCC/gccrs/issues/2898>
+ # "'cargo' should build for the host system" is resolved:
+ AC_MSG_WARN([use of cargo not yet supported here in Canadian cross configurations])
+ have_cargo=no
+ else
+ # Assume that cargo-produced object files are compatible with what
+ # we're going to build here.
+ :
+ fi
+ # Disable Rust if cargo is unavailable.
+ case ${add_this_lang}:${language}:${have_cargo} in
+ yes:rust:no)
+ # Specifically requested language; tell them.
+ AC_MSG_ERROR([cargo is required to build $language])
+ ;;
+ all:rust:no)
+ AC_MSG_WARN([cargo is required to build $language])
add_this_lang=unsupported
;;
- *:jit:no)
+ *:rust:no)
# Silently disable.
add_this_lang=unsupported
;;
- esac
+ esac
+
# Disable a language that is unsupported by the target.
case "${add_this_lang}: $unsupported_languages " in
*) stage1_languages="${stage1_languages}${language}," ;;
esac
# We need to bootstrap any supporting libraries.
- bootstrap_target_libs="${bootstrap_target_libs}${target_libs},"
+ bootstrap_target_libs=`echo "${bootstrap_target_libs}${target_libs}," | sed "s/ /,/g"`
;;
esac
;;
fi
esac
-# Disable libitm, libsanitizer, libvtv, liboffloadmic if we're not building C++
+# Disable libitm, libsanitizer, libvtv if we're not building C++
case ,${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
+case ,${enable_languages}, in
+ *,rust,*)
+ case " ${noconfigdirs} " in
+ *\ target-libstdc++-v3\ *)
+ # Disable target libgrust if we're not building target libstdc++.
+ noconfigdirs="$noconfigdirs target-libgrust"
+ ;;
+ esac
+ ;;
+esac
+
+# If gcc/ is not in the source tree then we'll not be building a
+# target compiler, assume in that case we don't want to build any
+# target libraries or tools.
+#
+# This was added primarily for the benefit for binutils-gdb who reuse
+# this configure script, but don't always have target tools available.
+if test ! -d ${srcdir}/gcc; then
+ skipdirs="${skipdirs} ${target_configdirs}"
+fi
+
# Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
# $build_configdirs and $target_configdirs.
# If we have the source for $noconfigdirs entries, add them to $notsupp.
# 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.
spu-*-*)
target_makefile_frag="config/mt-spu"
;;
+ loongarch*-*linux* | loongarch*-*gnu*)
+ target_makefile_frag="config/mt-loongarch-gnu"
+ ;;
+ loongarch*-*elf*)
+ target_makefile_frag="config/mt-loongarch-elf"
+ ;;
mips*-sde-elf* | mips*-mti-elf* | mips*-img-elf*)
target_makefile_frag="config/mt-sde"
;;
# 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-hwasan* | *bootstrap-asan* | *bootstrap-ubsan* )
bootstrap_target_libs=${bootstrap_target_libs}target-libsanitizer,
bootstrap_fixincludes=yes
;;
bootstrap_target_libs=${bootstrap_target_libs}target-libvtv,
fi
+# If we are building libatomic and the list of enabled languages includes the
+# D frontend, bootstrap it.
+if echo " ${target_configdirs} " | grep " libatomic " > /dev/null 2>&1; then
+ case ,${enable_languages}, in
+ *,d,*)
+ bootstrap_target_libs=${bootstrap_target_libs}target-libatomic,
+ ;;
+ esac
+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!
CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g`
INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g`
-# gdb depends on gnulib, but as nothing else does, only include it if
-# gdb is built.
-if echo " ${configdirs} " | grep " gdb " > /dev/null 2>&1 ; then
- # The Makefile provides the ordering, so it's enough here to add
- # gnulib to the list.
- configdirs="${configdirs} gnulib"
-fi
+# gdb and gdbserver depend on gnulib and gdbsupport, but as nothing
+# else does, only include them if one of these is built. The Makefile
+# provides the ordering, so it's enough here to add to the list.
+case " ${configdirs} " in
+ *\ gdb\ *)
+ configdirs="${configdirs} gnulib gdbsupport"
+ ;;
+ *\ gdbserver\ *)
+ configdirs="${configdirs} gnulib gdbsupport"
+ ;;
+ *\ sim\ *)
+ configdirs="${configdirs} gnulib"
+ ;;
+esac
# Strip out unwanted targets.
/^@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 ${build_configdirs} ; do
# files altogether, and which should be passed on to subconfigures.
# Also strip program-prefix, program-suffix, and program-transform-name,
# so that we can pass down a consistent program-transform-name.
-baseargs=
+hbaseargs=
+bbaseargs=
tbaseargs=
keep_next=no
skip_next=no
*\'*)
ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
esac
- baseargs="$baseargs '$ac_arg'"
+ hbaseargs="$hbaseargs '$ac_arg'"
+ bbaseargs="$bbaseargs '$ac_arg'"
tbaseargs="$tbaseargs '$ac_arg'"
keep_next=no
continue
esac
skip_targ=no
+ skip_barg=no
case $ac_arg in
changequote(,)
--with-* | --without-*)
*[-_]lib)
lib=`echo "$libopt" | sed 's,[-_]lib$,,'`
;;
+ *[-_]prefix)
+ lib=`echo "$libopt" | sed 's,[-_]prefix$,,'`
+ ;;
+ *[-_]type)
+ lib=`echo "$libopt" | sed 's,[-_]type$,,'`
+ ;;
*)
lib=$libopt
;;
skip_targ=yes
fi
;;
+ libintl | libiconv)
+ # We don't want libintl (and co.) in anything but the host arguments.
+ skip_targ=yes
+ skip_barg=yes
+ ;;
esac
;;
esac
--cache-file=/dev/null | \
-cache-file=/dev/null )
# Handled here to avoid the test to skip args below.
- baseargs="$baseargs '$ac_arg'"
+ hbaseargs="$hbaseargs '$ac_arg'"
+ bbaseargs="$bbaseargs '$ac_arg'"
tbaseargs="$tbaseargs '$ac_arg'"
# Assert: $separate_arg should always be no.
keep_next=$separate_arg
*\'*)
ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
esac
- baseargs="$baseargs '$ac_arg'"
+ hbaseargs="$hbaseargs '$ac_arg'"
+ if test X"$skip_barg" = Xno; then
+ bbaseargs="$bbaseargs '$ac_arg'"
+ fi
if test X"$skip_targ" = Xno; then
tbaseargs="$tbaseargs '$ac_arg'"
fi
done
# Remove the initial space we just introduced and, as these will be
# expanded by make, quote '$'.
-baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
+hbaseargs=`echo "x$hbaseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
+bbaseargs=`echo "x$bbaseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
# Add in --program-transform-name, after --program-prefix and
# --program-suffix have been applied to it. Autoconf has already
EOF_SED
gcc_transform_name=`cat conftestsed.out`
rm -f conftestsed.out
-baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
+hbaseargs="$hbaseargs --program-transform-name='${gcc_transform_name}'"
+bbaseargs="$bbaseargs --program-transform-name='${gcc_transform_name}'"
tbaseargs="$tbaseargs --program-transform-name='${gcc_transform_name}'"
if test "$silent" = yes; then
- baseargs="$baseargs --silent"
+ bbaseargs="$bbaseargs --silent"
+ hbaseargs="$hbaseargs --silent"
tbaseargs="$tbaseargs --silent"
fi
-baseargs="$baseargs --disable-option-checking"
+
+bbaseargs="$bbaseargs --disable-option-checking"
+hbaseargs="$hbaseargs --disable-option-checking"
tbaseargs="$tbaseargs --disable-option-checking"
+if test "$enable_year2038" = no; then
+ baseargs="$baseargs --disable-year2038"
+ tbaseargs="$tbaseargs --disable-year2038"
+fi
+
# Record and document user additions to sub configure arguments.
AC_ARG_VAR([build_configargs],
[additional configure arguments for build directories])
# desired. We can't even use the same cache file for all build-side
# libraries, as they're compiled differently; some with C, some with
# C++ or with different feature-enabling options.
-build_configargs="$build_configargs --cache-file=./config.cache ${baseargs}"
+build_configargs="$build_configargs --cache-file=./config.cache ${bbaseargs}"
# For host modules, accept cache file option, or specification as blank.
case "${cache_file}" in
# Host dirs don't like to share a cache file either, horribly enough.
# This seems to be due to autoconf 2.5x stupidity.
-host_configargs="$host_configargs --cache-file=./config.cache ${extra_host_args} ${baseargs}"
+host_configargs="$host_configargs --cache-file=./config.cache ${extra_host_args} ${hbaseargs}"
target_configargs="$target_configargs ${tbaseargs}"
# our build compiler if desired.
if test x"${build}" = x"${host}" ; then
CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
+ CPPFLAGS_FOR_BUILD=${CPPFLAGS_FOR_BUILD-${CPPFLAGS}}
CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}}
LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}}
fi
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.
AC_SUBST(AS_FOR_BUILD)
AC_SUBST(CC_FOR_BUILD)
AC_SUBST(CFLAGS_FOR_BUILD)
+AC_SUBST(CPP_FOR_BUILD)
+AC_SUBST(CPPFLAGS_FOR_BUILD)
AC_SUBST(CXXFLAGS_FOR_BUILD)
AC_SUBST(CXX_FOR_BUILD)
AC_SUBST(DLLTOOL_FOR_BUILD)
+AC_SUBST(DSYMUTIL_FOR_BUILD)
AC_SUBST(GFORTRAN_FOR_BUILD)
AC_SUBST(GOC_FOR_BUILD)
AC_SUBST(GDC_FOR_BUILD)
NCN_STRICT_CHECK_TOOLS(AR, ar)
NCN_STRICT_CHECK_TOOLS(AS, as)
NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool)
+NCN_STRICT_CHECK_TOOLS(DSYMUTIL, dsymutil)
NCN_STRICT_CHECK_TOOLS(LD, ld)
NCN_STRICT_CHECK_TOOLS(LIPO, lipo)
NCN_STRICT_CHECK_TOOLS(NM, nm)
AC_SUBST(CXX)
AC_SUBST(CFLAGS)
AC_SUBST(CXXFLAGS)
+AC_SUBST(GDC)
+AC_SUBST(GDCFLAGS)
+GDCFLAGS=${GDCFLAGS-${CFLAGS}}
+AC_SUBST(PKG_CONFIG_PATH)
+
+GCC_PLUGIN_OPTION(PLUGIN_OPTION)
+AR_PLUGIN_OPTION=
+RANLIB_PLUGIN_OPTION=
+if test -n "$PLUGIN_OPTION"; then
+ if $AR --help 2>&1 | grep -q "\--plugin"; then
+ AR_PLUGIN_OPTION="$PLUGIN_OPTION"
+ fi
+ if $RANLIB --help 2>&1 | grep -q "\--plugin"; then
+ RANLIB_PLUGIN_OPTION="$PLUGIN_OPTION"
+ fi
+fi
+AC_SUBST(AR_PLUGIN_OPTION)
+AC_SUBST(RANLIB_PLUGIN_OPTION)
# Target tools.
AC_ARG_WITH([build-time-tools],
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)
ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
+ACX_CHECK_INSTALLED_TARGET_TOOL(DSYMUTIL_FOR_TARGET, dsymutil)
ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld)
ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo)
ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm)
[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$$r/$(TARGET_SUBDIR)/libstdc++-v3/libsupc++/.libs],
c++)
GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool])
+GCC_TARGET_TOOL(dsymutil, DSYMUTIL_FOR_TARGET, DSYMUTIL)
GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN,
[gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran)
[gcc/gccgo -B$$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 "$target" in
hppa*64*-*-hpux*) ;;
- hppa*-*-hpux*) compare_exclusions="gcc/cc*-checksum\$(objext) | */libgcc/lib2funcs* | gcc/ada/*tools/* | gcc/function-tests.o" ;;
- powerpc*-ibm-aix*) compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/* | *libgomp*\$(objext)" ;;
+ powerpc*-ibm-aix*) compare_exclusions="$compare_exclusions | *libgomp*\$(objext)" ;;
esac
AC_SUBST(compare_exclusions)
projects / thirdparty / gcc.git / blobdiff