# 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, 2019, 2020 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/debuginfod.m4)
m4_include([libtool.m4])
m4_include([ltoptions.m4])
m4_include([ltsugar.m4])
m4_include([config/isl.m4])
AC_INIT(move-if-change)
-AC_PREREQ(2.64)
AC_DISABLE_OPTION_CHECKING
progname=$0
# 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"
+host_libs="intl libiberty opcodes bfd readline tcl tk itcl libgui zlib libbacktrace libcpp libdecnumber gmp mpfr mpc isl libelf libiconv libctf"
# 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"
-
-# libgcj represents the runtime libraries only used by gcj.
-libgcj="target-libffi \
- target-zlib \
- target-libjava"
+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"
# 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-libcilkrts \
target-liboffloadmic \
+ target-libhsail-rt \
target-libatomic \
target-libitm \
target-libstdc++-v3 \
target-libsanitizer \
target-libvtv \
- target-libmpx \
target-libssp \
target-libquadmath \
target-libgfortran \
- target-boehm-gc \
- ${libgcj} \
+ target-libffi \
target-libobjc \
target-libada \
target-libgo"
fi
use_included_zlib=
+AC_ARG_WITH(system-zlib,
+[AS_HELP_STRING([--with-system-zlib], [use installed libz])])
# Make sure we don't let ZLIB be added if we didn't want it.
if test x$with_system_zlib = xyes ; then
use_included_zlib=no
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*-*-*)
+ | 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_liboffloadmic_configure_flags)
-# Save it here so that, even in case of --enable-libgcj, if the Java
-# front-end isn't enabled, we still get libgcj disabled.
-libgcj_saved=$libgcj
-case $enable_libgcj in
-yes)
- # If we reset it here, it won't get added to noconfigdirs in the
- # target-specific build rules, so it will be forcibly enabled
- # (unless the Java language itself isn't enabled).
- libgcj=
- ;;
-no)
- # Make sure we get it printed in the list of not supported target libs.
- # Don't disable libffi, though, other languages use it.
- noconfigdirs="$noconfigdirs `echo ${libgcj} | sed -e 's/target-libffi//'`"
- # Clear libgcj_saved so that even if java is enabled libffi won't be
- # built.
- libgcj_saved=
- ;;
-esac
-
-AC_ARG_ENABLE(static-libjava,
-[AS_HELP_STRING([[--enable-static-libjava[=ARG]]],
- [build static libjava @<:@default=no@:>@])],
-ENABLE_STATIC_LIBJAVA=$enableval,
-ENABLE_STATIC_LIBJAVA=no)
-enable_static_libjava=
-if test "${ENABLE_STATIC_LIBJAVA}" = "yes" ; then
- enable_static_libjava=yes
-fi
-
-if test x$enable_static_libjava != xyes ; then
- EXTRA_CONFIGARGS_LIBJAVA=--disable-static
-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
-# Disable libcilkrts on unsupported systems.
-if test -d ${srcdir}/libcilkrts; then
- if test x$enable_libcilkrts = x; then
- AC_MSG_CHECKING([for libcilkrts support])
- if (srcdir=${srcdir}/libcilkrts; \
- . ${srcdir}/configure.tgt; \
- test -n "$UNSUPPORTED")
- then
- AC_MSG_RESULT([no])
- noconfigdirs="$noconfigdirs target-libcilkrts"
- else
- AC_MSG_RESULT([yes])
- fi
- fi
-fi
-
# Disable liboffloadmic on unsupported systems.
if test -d ${srcdir}/liboffloadmic; then
if test x$enable_liboffloadmic != xno; then
fi
-# Enable libmpx on supported systems by request.
-if test -d ${srcdir}/libmpx; then
- if test x$enable_libmpx = xyes; then
- AC_MSG_CHECKING([for libmpx support])
- if (srcdir=${srcdir}/libmpx; \
- . ${srcdir}/configure.tgt; \
- test "$LIBMPX_SUPPORTED" != "yes")
- then
- AC_MSG_RESULT([no])
- noconfigdirs="$noconfigdirs target-libmpx"
- else
- AC_MSG_RESULT([yes])
- fi
- else
- noconfigdirs="$noconfigdirs target-libmpx"
+# 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-*-*)
avr-*-*)
noconfigdirs="$noconfigdirs target-libstdc++-v3"
;;
+ ft32-*-*)
+ noconfigdirs="$noconfigdirs target-libstdc++-v3"
+ ;;
esac
fi
;;
esac
-# Disable Java if libffi is not supported.
-case "${target}" in
- aarch64-*-*)
- ;;
- alpha*-*-*)
- ;;
- arm*-*-*)
- ;;
- cris-*-*)
- ;;
- frv-*-*)
- ;;
- hppa*-*-linux*)
- ;;
- hppa*-*-hpux*)
- ;;
- i?86-*-*)
- ;;
- ia64*-*-*)
- ;;
- m32r*-*-*)
- ;;
- m68k-*-*)
- ;;
- mips*-*-rtems*)
- ;;
- mips*-*-linux*)
- ;;
- powerpc*-*-linux*)
- ;;
- powerpc-*-darwin*)
- ;;
- powerpc-*-aix* | rs6000-*-aix*)
- ;;
- powerpc-*-freebsd*)
- ;;
- powerpc64-*-freebsd*)
- ;;
- powerpc*-*-rtems*)
- ;;
- s390-*-* | s390x-*-*)
- ;;
- sh-*-* | sh[[34]]*-*-*)
- ;;
- sh64-*-* | sh5*-*-*)
- ;;
- sparc*-*-*)
- ;;
- x86_64-*-*)
- ;;
- *-*-*)
- unsupported_languages="$unsupported_languages java"
- ;;
-esac
-
-# Disable Java, libgcj or related libraries for some systems.
+# Disable libffi for some systems.
case "${target}" in
powerpc-*-darwin*)
;;
x86_64-*-darwin[[912]]*)
;;
*-*-darwin*)
- noconfigdirs="$noconfigdirs ${libgcj}"
+ noconfigdirs="$noconfigdirs target-libffi"
;;
*-*-netware*)
- noconfigdirs="$noconfigdirs ${libgcj}"
+ noconfigdirs="$noconfigdirs target-libffi"
+ ;;
+ *-*-phoenix*)
+ noconfigdirs="$noconfigdirs target-libffi"
;;
*-*-rtems*)
- noconfigdirs="$noconfigdirs ${libgcj}"
+ noconfigdirs="$noconfigdirs target-libffi"
;;
*-*-tpf*)
- noconfigdirs="$noconfigdirs ${libgcj}"
+ noconfigdirs="$noconfigdirs target-libffi"
;;
*-*-uclinux*)
- noconfigdirs="$noconfigdirs ${libgcj}"
+ noconfigdirs="$noconfigdirs target-libffi"
;;
*-*-vxworks*)
- noconfigdirs="$noconfigdirs ${libgcj}"
+ noconfigdirs="$noconfigdirs target-libffi"
+ ;;
+ aarch64*-*-freebsd*)
+ noconfigdirs="$noconfigdirs target-libffi"
;;
alpha*-*-*vms*)
- noconfigdirs="$noconfigdirs ${libgcj}"
+ noconfigdirs="$noconfigdirs target-libffi"
;;
arm*-*-freebsd*)
- noconfigdirs="$noconfigdirs ${libgcj}"
+ noconfigdirs="$noconfigdirs target-libffi"
;;
arm-wince-pe)
- noconfigdirs="$noconfigdirs ${libgcj}"
+ noconfigdirs="$noconfigdirs target-libffi"
;;
arm*-*-symbianelf*)
- noconfigdirs="$noconfigdirs ${libgcj}"
- ;;
- bfin-*-*)
- noconfigdirs="$noconfigdirs target-boehm-gc"
+ noconfigdirs="$noconfigdirs target-libffi"
;;
cris-*-* | crisv32-*-*)
- unsupported_languages="$unsupported_languages java"
case "${target}" in
*-*-linux*)
;;
*) # See PR46792 regarding target-libffi.
- noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";;
+ noconfigdirs="$noconfigdirs target-libffi";;
esac
;;
- hppa*64*-*-linux*)
- # In this case, it's because the hppa64-linux target is for
- # the kernel only at this point and has no libc, and thus no
- # headers, crt*.o, etc., all of which are needed by these.
- unsupported_languages="$unsupported_languages java"
- ;;
hppa*64*-*-hpux*)
- noconfigdirs="$noconfigdirs ${libgcj}"
+ noconfigdirs="$noconfigdirs target-libffi"
;;
hppa*-hp-hpux11*)
;;
hppa*-*-hpux*)
- # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
- # build on HP-UX 10.20.
- noconfigdirs="$noconfigdirs ${libgcj}"
+ noconfigdirs="$noconfigdirs target-libffi"
;;
ia64*-*-*vms*)
- noconfigdirs="$noconfigdirs ${libgcj}"
+ noconfigdirs="$noconfigdirs target-libffi"
;;
i[[3456789]]86-w64-mingw*)
- noconfigdirs="$noconfigdirs ${libgcj}"
+ noconfigdirs="$noconfigdirs target-libffi"
;;
i[[3456789]]86-*-mingw*)
- noconfigdirs="$noconfigdirs ${libgcj}"
+ noconfigdirs="$noconfigdirs target-libffi"
;;
x86_64-*-mingw*)
- noconfigdirs="$noconfigdirs ${libgcj}"
+ noconfigdirs="$noconfigdirs target-libffi"
;;
mmix-*-*)
- noconfigdirs="$noconfigdirs target-libffi target-boehm-gc"
+ noconfigdirs="$noconfigdirs target-libffi"
;;
powerpc-*-aix*)
- # copied from rs6000-*-* entry
- noconfigdirs="$noconfigdirs ${libgcj}"
;;
rs6000-*-aix*)
- noconfigdirs="$noconfigdirs ${libgcj}"
;;
ft32-*-*)
- noconfigdirs="$noconfigdirs ${libgcj}"
+ noconfigdirs="$noconfigdirs target-libffi"
;;
*-*-lynxos*)
- noconfigdirs="$noconfigdirs ${libgcj}"
+ noconfigdirs="$noconfigdirs target-libffi"
;;
esac
# Disable the go frontend on systems where it is known to not work. Please keep
# this in sync with contrib/config-list.mk.
case "${target}" in
-*-*-darwin* | *-*-cygwin* | *-*-mingw* | *-*-aix*)
+*-*-darwin* | *-*-cygwin* | *-*-mingw*)
unsupported_languages="$unsupported_languages go"
;;
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
*-*-cygwin* | *-*-mingw*)
noconfigdirs="$noconfigdirs target-libgo"
;;
- *-*-aix*)
- noconfigdirs="$noconfigdirs target-libgo"
- ;;
esac
fi
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
- case $target in
- or1k*-*-*) noconfigdirs="$noconfigdirs gdb" ;;
- esac
;;
# The tpf target doesn't support gdb yet.
*-*-tpf*)
sh*-*-pe|mips*-*-pe|*arm-wince-pe)
noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
;;
- arc-*-*|arceb-*-*)
- noconfigdirs="$noconfigdirs target-libgloss"
+ arc*-*-*)
+ noconfigdirs="$noconfigdirs sim"
;;
arm-*-pe*)
noconfigdirs="$noconfigdirs target-libgloss"
arm-*-riscix*)
noconfigdirs="$noconfigdirs ld target-libgloss"
;;
- avr-*-rtems*)
- ;;
avr-*-*)
if test x${with_avrlibc} != xno; then
noconfigdirs="$noconfigdirs target-newlib target-libgloss"
;;
hppa1.1-*-osf* | hppa1.1-*-bsd* )
;;
+ hppa*64*-*-hpux*)
+ noconfigdirs="$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.
mt-*-*)
noconfigdirs="$noconfigdirs sim"
;;
+ nfp-*-*)
+ noconfigdirs="$noconfigdirs ld gas gdb gprof sim"
+ noconfigdirs="$noconfigdirs $target_libraries"
+ ;;
+ pdp11-*-*)
+ noconfigdirs="$noconfigdirs gdb gprof"
+ ;;
powerpc-*-aix*)
# copied from rs6000-*-* entry
noconfigdirs="$noconfigdirs gprof"
mips*-*-*)
noconfigdirs="$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)
;;
vax-*-*)
noconfigdirs="$noconfigdirs target-newlib target-libgloss"
;;
+ wasm32-*-*)
+ noconfigdirs="$noconfigdirs ld"
+ ;;
esac
# If we aren't building newlib, then don't build libgloss, since libgloss
*-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"
;;
AS_FOR_BUILD=${AS_FOR_BUILD-as}
CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
CXX_FOR_BUILD=${CXX_FOR_BUILD-g++}
- GCJ_FOR_BUILD=${GCJ_FOR_BUILD-gcj}
GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran}
GOC_FOR_BUILD=${GOC_FOR_BUILD-gccgo}
DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool}
AS_FOR_BUILD="\$(AS)"
CC_FOR_BUILD="\$(CC)"
CXX_FOR_BUILD="\$(CXX)"
- GCJ_FOR_BUILD="\$(GCJ)"
GFORTRAN_FOR_BUILD="\$(GFORTRAN)"
GOC_FOR_BUILD="\$(GOC)"
DLLTOOL_FOR_BUILD="\$(DLLTOOL)"
LDFLAGS="$LDFLAGS -static-libstdc++ -static-libgcc"
AC_MSG_CHECKING([whether g++ accepts -static-libstdc++ -static-libgcc])
AC_LANG_PUSH(C++)
- AC_LINK_IFELSE([
+ AC_LINK_IFELSE([AC_LANG_SOURCE([
#if (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 5)
#error -static-libstdc++ not implemented
#endif
-int main() {}],
+int main() {}])],
[AC_MSG_RESULT([yes]); have_static_libs=yes],
[AC_MSG_RESULT([no])])
AC_LANG_POP(C++)
;;
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 $lt_cv_objdir
_LT_CHECK_OBJDIR
gmpinc=
have_gmp=no
+# Check for debuginfod
+AC_DEBUGINFOD
+
# Specify a location for mpc
# check for this first so it ends up on the link line before mpfr.
AC_ARG_WITH(mpc,
fi
if test "x$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"
+ if ! test -d ${srcdir}/mpfr/src; then
+ AC_MSG_ERROR([dnl
+Building GCC with MPFR in the source tree is only handled for MPFR 3.1.0+.])
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)
+# Whether or not to use -static-libstdc++ and -static-libgcc. The
+# default is yes if gcc is being built; no otherwise. The reason for
+# this default is that gdb is sometimes linked against GNU Source
+# Highlight, which is a shared library that uses C++ exceptions. In
+# this case, -static-libstdc++ will cause crashes.
+AC_ARG_WITH(static-standard-libraries,
+[AS_HELP_STRING([--with-static-standard-libraries],
+ [use -static-libstdc++ and -static-libgcc (default=auto)])],
+[], [with_static_standard_libraries=auto])
+if test "$with_static_standard_libraries" = auto; then
+ with_static_standard_libraries=$have_compiler
+fi
+
# Linker flags to use for stage1 or when not bootstrapping.
AC_ARG_WITH(stage1-ldflags,
[AS_HELP_STRING([--with-stage1-ldflags=FLAGS], [linker flags for stage1])],
# In stage 1, default to linking libstdc++ and libgcc statically with GCC
# if supported. But if the user explicitly specified the libraries to use,
# trust that they are doing what they want.
- if test "$stage1_libs" = "" -a "$have_static_libs" = yes; then
+ if test "$with_static_standard_libraries" = yes -a "$stage1_libs" = "" \
+ -a "$have_static_libs" = yes; then
stage1_ldflags="-static-libstdc++ -static-libgcc"
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-darwin[[912]]* | *-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
extra_linker_plugin_flags=)
AC_SUBST(extra_linker_plugin_flags)
+# 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])
+AC_SUBST(host_shared)
# By default, C and C++ are the only stage 1 languages.
stage1_languages=,c,
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
+ enable_languages=default
fi
else
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
language=
lang_requires=
lang_requires_boot_languages=
- . ${lang_frag}
+ # set srcdir during sourcing lang_frag to the gcc dir.
+ # Sadly overriding srcdir on the . line doesn't work in plain sh as it
+ # polutes this shell
+ saved_srcdir=${srcdir}
+ srcdir=${srcdir}/gcc . ${lang_frag}
+ srcdir=${saved_srcdir}
for other in ${lang_requires} ${lang_requires_boot_languages}; do
case ,${enable_languages}, in
*,$other,*) ;;
+ *,default,*) ;;
*,all,*) ;;
*,$language,*)
echo " \`$other' language required by \`$language'; enabling" 1>&2
if test "$other" != "c"; then
case ,${enable_stage1_languages}, in
*,$other,*) ;;
+ *,default,*) ;;
*,all,*) ;;
*)
case ,${enable_languages}, in
esac
fi
- missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
+ missing_languages=`echo ",$enable_languages," | sed -e s/,default,/,/ -e s/,all,/,/ -e s/,c,/,/ `
potential_languages=,c,
enabled_target_libs=
subdir_requires=
boot_language=no
build_by_default=yes
- . ${lang_frag}
+ # set srcdir during sourcing. See above about save & restore
+ saved_srcdir=${srcdir}
+ srcdir=${srcdir}/gcc . ${lang_frag}
+ srcdir=${saved_srcdir}
if test x${language} = x; then
echo "${lang_frag} doesn't set \$language." 1>&2
exit 1
fi
add_this_lang=no
- case ,${enable_languages}, in
- *,${language},*)
- # Language was explicitly selected; include it
- # unless it is C, which is enabled by default.
- if test "$language" != "c"; then
+ # C is always enabled, so no need to add it again
+ if test "$language" != "c"; then
+ case ,${enable_languages}, in
+ *,${language},*)
+ # Language was explicitly selected; include it
add_this_lang=yes
- fi
- ;;
- *,all,*)
- # 'all' was selected, select it if it is a default language
- if test "$language" != "c"; then
+ ;;
+ *,all,*)
+ # All languages are enabled
+ add_this_lang=all
+ ;;
+ *,default,*)
+ # 'default' was selected, select it if it is a default language
add_this_lang=${build_by_default}
- fi
- ;;
- esac
+ ;;
+ esac
+ fi
# Disable languages that need other directories if these aren't available.
for i in $subdir_requires; do
test -f "$srcdir/gcc/$i/config-lang.in" && continue
- case ,${enable_languages}, in
- *,${language},*)
+ case ${add_this_lang} in
+ yes)
# Specifically requested language; tell them.
AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing])
;;
+ all)
+ AC_MSG_WARN([The gcc/$i directory contains parts of $language but is missing])
+ add_this_lang=unsupported
+ ;;
*)
# Silently disable.
add_this_lang=unsupported
done
# Disable Ada if no preexisting GNAT is available.
- case ,${enable_languages},:${language}:${have_gnat} in
- *,${language},*:ada:no)
+ case ${add_this_lang}:${language}:${have_gnat} in
+ yes:ada:no)
# Specifically requested language; tell them.
AC_MSG_ERROR([GNAT is required to build $language])
;;
+ all:ada:no)
+ AC_MSG_WARN([GNAT is required to build $language])
+ add_this_lang=unsupported
+ ;;
*:ada:no)
# Silently disable.
add_this_lang=unsupported
;;
esac
- # Disable a language that is unsupported by the target.
- case " $unsupported_languages " in
- *" $language "*)
+ # 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
+ 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.])
+ ;;
+ 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
+
+ # Disable a language that is unsupported by the target.
+ case "${add_this_lang}: $unsupported_languages " in
+ no:*) ;;
+ unsupported:*) ;;
+ *:*" $language "*)
+ AC_MSG_WARN([${language} not supported for this target])
add_this_lang=unsupported
;;
esac
noconfigdirs="$noconfigdirs $lang_dirs"
potential_languages="${potential_languages}${language},"
;;
- yes)
+ all|yes)
new_enable_languages="${new_enable_languages}${language},"
potential_languages="${potential_languages}${language},"
missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
AC_SUBST(stage1_languages)
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.
AC_ARG_ENABLE(objc-gc,
[AS_HELP_STRING([--enable-objc-gc],
[enable use of Boehm's garbage collector with the
- GNU Objective-C runtime])],
-[case ,${enable_languages},:${enable_objc_gc}:${noconfigdirs} in
- *,objc,*:*:yes:*target-boehm-gc*)
- AC_MSG_ERROR([Boehm's garbage collector was requested yet not supported in this configuration])
- ;;
-esac])
-
-# Make sure we only build Boehm's garbage collector if required.
-case ,${enable_languages},:${enable_objc_gc} in
- *,objc,*:yes)
- # Keep target-boehm-gc if requested for Objective-C.
- ;;
- *)
- # Otherwise remove target-boehm-gc depending on target-libjava.
- if echo " ${noconfigdirs} " | grep "target-libjava" >/dev/null 2>&1; then
- noconfigdirs="$noconfigdirs target-boehm-gc"
+ GNU Objective-C runtime])])
+AC_ARG_WITH([target-bdw-gc],
+[AS_HELP_STRING([--with-target-bdw-gc=PATHLIST],
+ [specify prefix directory for installed bdw-gc package.
+ Equivalent to --with-target-bdw-gc-include=PATH/include
+ plus --with-target-bdw-gc-lib=PATH/lib])])
+AC_ARG_WITH([target-bdw-gc-include],
+[AS_HELP_STRING([--with-target-bdw-gc-include=PATHLIST],
+ [specify directories for installed bdw-gc include files])])
+AC_ARG_WITH([target-bdw-gc-lib],
+[AS_HELP_STRING([--with-target-bdw-gc-lib=PATHLIST],
+ [specify directories for installed bdw-gc library])])
+
+case ,${enable_languages},:${enable_objc_gc} in *,objc,*:yes|*,objc,*:auto)
+ AC_MSG_CHECKING([for bdw garbage collector])
+ if test "x$with_target_bdw_gc$with_target_bdw_gc_include$with_target_bdw_gc_lib" = x; then
+ dnl no bdw-gw options, assume default locations
+ AC_MSG_RESULT([using bdw-gc in default locations])
+ else
+ dnl bdw-gw options, first error checking, complete checking in libobjc
+ if test "x$with_target_bdw_gc_include" = x && test "x$with_target_bdw_gc_lib" != x; then
+ AC_MSG_ERROR([found --with-target-bdw-gc-lib but --with-target-bdw-gc-include missing])
+ elif test "x$with_target_bdw_gc_include" != x && test "x$with_target_bdw_gc_lib" = x; then
+ AC_MSG_ERROR([found --with-target-bdw-gc-include but --with-target-bdw-gc-lib missing])
+ else
+ AC_MSG_RESULT([using paths configured with --with-target-bdw-gc options])
fi
- ;;
+ fi
esac
-# Disable libcilkrts, libitm, libsanitizer, libvtv, liboffloadmic if we're not building C++
+# Disable libitm, libsanitizer, libvtv, liboffloadmic if we're not building C++
case ,${enable_languages}, in
*,c++,*)
- # Disable libcilkrts, libitm, libsanitizer if we're not building libstdc++
+ # Disable libitm, libsanitizer if we're not building libstdc++
case "${noconfigdirs}" in
*target-libstdc++-v3*)
- noconfigdirs="$noconfigdirs target-libcilkrts target-libitm target-libsanitizer"
+ noconfigdirs="$noconfigdirs target-libitm target-libsanitizer"
;;
*) ;;
esac
;;
*)
- noconfigdirs="$noconfigdirs target-libcilkrts target-liboffloadmic target-libitm target-libsanitizer target-libvtv"
+ noconfigdirs="$noconfigdirs target-liboffloadmic 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 "*)
# 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
# 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
nios2-*-elf*)
target_makefile_frag="config/mt-nios2-elf"
;;
+ *-*-linux-android*)
+ target_makefile_frag="config/mt-android"
+ ;;
*-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
target_makefile_frag="config/mt-gnu"
;;
: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!
CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g`
INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g`
+# 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"
+ ;;
+esac
+
# Strip out unwanted targets.
# While at that, we remove Makefiles if we were started for recursive
# extrasub-{build,host,target} not because there is any reason to split
# the substitutions up that way, but only to remain below the limit of
# 99 commands in a script, for HP-UX sed.
-# Do not nest @if/@endif pairs, because configure will not warn you at all.
+
+# Do not nest @if/@endif or @unless/@endunless pairs, because
+# configure will not warn you at all.
case "$enable_bootstrap:$ENABLE_GOLD: $configdirs :,$stage1_languages," in
yes:yes:*\ gold\ *:*,c++,*) ;;
extrasub_build="$extrasub_build
/^@if build-$module\$/d
/^@endif build-$module\$/d
+/^@unless build-$module\$/,/^@endunless build-$module\$/d
/^@if build-$module-$bootstrap_suffix\$/d
-/^@endif build-$module-$bootstrap_suffix\$/d"
+/^@endif build-$module-$bootstrap_suffix\$/d
+/^@unless build-$module-$bootstrap_suffix\$/,/^@endunless build-$module-$bootstrap_suffix\$/d"
done
extrasub_host=
for module in ${configdirs} ; do
extrasub_host="$extrasub_host
/^@if $module\$/d
/^@endif $module\$/d
+/^@unless $module\$/,/^@endunless $module\$/d
/^@if $module-$host_bootstrap_suffix\$/d
-/^@endif $module-$host_bootstrap_suffix\$/d"
+/^@endif $module-$host_bootstrap_suffix\$/d
+/^@unless $module-$host_bootstrap_suffix\$/,/^@endunless $module-$host_bootstrap_suffix\$/d"
done
extrasub_target=
for module in ${target_configdirs} ; do
extrasub_target="$extrasub_target
/^@if target-$module\$/d
/^@endif target-$module\$/d
+/^@unless target-$module\$/,/^@endunless target-$module\$/d
/^@if target-$module-$target_bootstrap_suffix\$/d
-/^@endif target-$module-$target_bootstrap_suffix\$/d"
+/^@endif target-$module-$target_bootstrap_suffix\$/d
+/^@unless target-$module-$target_bootstrap_suffix\$/,/^@endunless target-$module-$target_bootstrap_suffix\$/d"
done
# Do the final fixup along with target modules.
extrasub_target="$extrasub_target
-/^@if /,/^@endif /d"
+/^@if /,/^@endif /d
+/^@unless /d
+/^@endunless /d"
# Create the serialization dependencies. This uses a temporary file.
# 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
AC_SUBST(CXXFLAGS_FOR_BUILD)
AC_SUBST(CXX_FOR_BUILD)
AC_SUBST(DLLTOOL_FOR_BUILD)
-AC_SUBST(GCJ_FOR_BUILD)
AC_SUBST(GFORTRAN_FOR_BUILD)
AC_SUBST(GOC_FOR_BUILD)
AC_SUBST(LDFLAGS_FOR_BUILD)
NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc)
NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx)
NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET})
-NCN_STRICT_CHECK_TARGET_TOOLS(GCJ_FOR_TARGET, gcj)
NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran)
NCN_STRICT_CHECK_TARGET_TOOLS(GOC_FOR_TARGET, gccgo)
c++)
GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool])
GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
-GCC_TARGET_TOOL(gcj, GCJ_FOR_TARGET, GCJ,
- [gcc/gcj -B$$r/$(HOST_SUBDIR)/gcc/], java)
GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN,
[gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran)
GCC_TARGET_TOOL(gccgo, GOC_FOR_TARGET, GOC,
[choose additional checking for stage1 of the compiler])],
[stage1_checking=--enable-checking=${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])
# Enable -Werror in bootstrap stage2 and later.
AC_ARG_ENABLE(werror,
[AS_HELP_STRING([--enable-werror],
- [enable -Werror in bootstrap stage2 and later])], [],
-[if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then
- enable_werror=yes
-else
- enable_werror=no
-fi])
+ [enable -Werror in bootstrap stage2 and later])],
+[
case ${enable_werror} in
yes) stage2_werror_flag="--enable-werror-always" ;;
*) stage2_werror_flag="" ;;
esac
-AC_SUBST(stage2_werror_flag)
-
-# Enable --enable-host-shared.
-AC_ARG_ENABLE(host-shared,
-[AS_HELP_STRING([--enable-host-shared],
- [build host code as shared libraries])],
-[host_shared=$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.])
- ;;
- *)
- ;;
+],
+[
+if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then
+ case $BUILD_CONFIG in
+ bootstrap-debug)
+ stage2_werror_flag="--enable-werror-always" ;;
+ "")
+ stage2_werror_flag="--enable-werror-always" ;;
esac
fi
+])
+
+AC_SUBST(stage2_werror_flag)
# Specify what files to not compare during bootstrap.
compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*"
case "$target" in
hppa*64*-*-hpux*) ;;
- hppa*-*-hpux*) compare_exclusions="gcc/cc*-checksum\$(objext) | */libgcc/lib2funcs* | gcc/ada/*tools/*" ;;
+ 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)" ;;
esac
AC_SUBST(compare_exclusions)
projects / thirdparty / binutils-gdb.git / blobdiff