Newer
Older
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# Default to --enable-multilib.
if test x${enable_multilib} = x ; then
target_configargs="--enable-multilib ${target_configargs}"
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fi
# Pass --with-newlib if appropriate. Note that target_configdirs has
# changed from the earlier setting of with_newlib.
if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
target_configargs="--with-newlib ${target_configargs}"
# Different target subdirs use different values of certain variables
# (notably CXX). Worse, multilibs use *lots* of different values.
# Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
# it doesn't automatically accept command-line overrides of them.
# This means it's not safe for target subdirs to share a cache file,
# which is disgusting, but there you have it. Hopefully this can be
# fixed in future. It's still worthwhile to use a cache file for each
# directory. I think.
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# Pass the appropriate --build, --host, --target and --cache-file arguments.
# We need to pass --target, as newer autoconf's requires consistency
# for target_alias and gcc doesn't manage it consistently.
target_configargs="--cache-file=./config.cache ${target_configargs}"
case " $target_configdirs " in
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*" newlib "*)
case " $target_configargs " in
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*" --with-newlib "*)
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*-cygwin*)
FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup -L$$r/$(TARGET_SUBDIR)/winsup/cygwin -L$$r/$(TARGET_SUBDIR)/winsup/w32api/lib -isystem $$s/winsup/include -isystem $$s/winsup/cygwin/include -isystem $$s/winsup/w32api/include'
;;
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# If we're not building GCC, don't discard standard headers.
if test -d ${srcdir}/gcc; then
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FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
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if test "${build}" != "${host}"; then
# On Canadian crosses, CC_FOR_TARGET will have already been set
# by `configure', so we won't have an opportunity to add -Bgcc/
# to it. This is right: we don't want to search that directory
# for binaries, but we want the header files in there, so add
# them explicitly.
FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include'
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# Someone might think of using the pre-installed headers on
# Canadian crosses, in case the installed compiler is not fully
# compatible with the compiler being built. In this case, it
# would be better to flag an error than risking having
# incompatible object files being constructed. We can't
# guarantee that an error will be flagged, but let's hope the
# compiler will do it, when presented with incompatible header
# files.
fi
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fi
case "${target}-${is_cross_compiler}" in
i[[3456789]]86-*-linux*-no)
# Here host == target, so we don't need to build gcc,
# so we don't want to discard standard headers.
FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
;;
*)
# If we're building newlib, use its generic headers last, but search
# for any libc-related directories first (so make it the last -B
# switch).
FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
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# If we're building libgloss, find the startup file, simulator library
# and linker script.
case " $target_configdirs " in
*" libgloss "*)
# Look for startup file, simulator library and maybe linker script.
FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/'"$libgloss_dir"
# Look for libnosys.a in case the target needs it.
FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys'
# Most targets have the linker script in the source directory.
FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$s/libgloss/'"$libgloss_dir"
;;
esac
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esac
;;
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case "$target" in
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x86_64-*mingw* | *-w64-mingw*)
# MinGW-w64 does not use newlib, nor does it use winsup. It may,
# however, use a symlink named 'mingw' in ${prefix} .
FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L${prefix}/${target}/lib -L${prefix}/mingw/lib -isystem ${prefix}/${target}/include -isystem ${prefix}/mingw/include'
;;
*-mingw*)
# MinGW can't be handled as Cygwin above since it does not use newlib.
FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/mingw -L$$r/$(TARGET_SUBDIR)/winsup/w32api/lib -isystem $$s/winsup/mingw/include -isystem $$s/winsup/w32api/include'
;;
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# Allow the user to override the flags for
# our build compiler if desired.
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if test x"${build}" = x"${host}" ; then
CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}}
LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}}
fi
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# On Canadian crosses, we'll be searching the right directories for
# the previously-installed cross compiler, so don't bother to add
# flags for directories within the install tree of the compiler
# being built; programs in there won't even run.
if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
# Search for pre-installed headers if nothing else fits.
FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
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if test "x${use_gnu_ld}" = x &&
echo " ${configdirs} " | grep " ld " > /dev/null ; then
# Arrange for us to find uninstalled linker scripts.
FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld'
# Search for other target-specific linker scripts and such.
case "${target}" in
mep*)
FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary"
;;
for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
do
eval fragval=\$$frag
if test $fragval != /dev/null; then
eval $frag=${srcdir}/$fragval
fi
done
AC_SUBST_FILE(host_makefile_frag)
AC_SUBST_FILE(target_makefile_frag)
AC_SUBST_FILE(alphaieee_frag)
AC_SUBST_FILE(ospace_frag)
# Miscellanea: directories, flags, etc.
AC_SUBST(RPATH_ENVVAR)
AC_SUBST(GCC_SHLIB_SUBDIR)
AC_SUBST(tooldir)
AC_SUBST(build_tooldir)
AC_SUBST(CONFIGURE_GDB_TK)
AC_SUBST(INSTALL_GDB_TK)
# Build module lists & subconfigure args.
AC_SUBST(build_configargs)
AC_SUBST(build_configdirs)
# Host module lists & subconfigure args.
AC_SUBST(host_configargs)
AC_SUBST(configdirs)
# Target module lists & subconfigure args.
AC_SUBST(target_configargs)
AC_SUBST(AR_FOR_BUILD)
AC_SUBST(AS_FOR_BUILD)
AC_SUBST(CFLAGS_FOR_BUILD)
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(LDFLAGS_FOR_BUILD)
AC_SUBST(LD_FOR_BUILD)
AC_SUBST(NM_FOR_BUILD)
AC_SUBST(RANLIB_FOR_BUILD)
AC_SUBST(WINDMC_FOR_BUILD)
AC_SUBST(WINDRES_FOR_BUILD)
AC_SUBST(config_shell)
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# Generate default definitions for YACC, M4, LEX and other programs that run
# on the build machine. These are used if the Makefile can't locate these
# programs in objdir.
MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
case " $build_configdirs " in
*" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;;
*" byacc "*) YACC='$$r/$(BUILD_SUBDIR)/byacc/byacc' ;;
esac
AC_CHECK_PROGS([BISON], [bison], [$MISSING bison])
case " $build_configdirs " in
*" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;;
esac
AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4])
case " $build_configdirs " in
*" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;;
esac
AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex])
case " $build_configdirs " in
*" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
*" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;;
esac
AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex])
case " $build_configdirs " in
*" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
esac
AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo])
case " $build_configdirs " in
*" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;;
*)
changequote(,)
# For an installed makeinfo, we require it to be from texinfo 4.7 or
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committed
# higher, else we use the "missing" dummy.
if ${MAKEINFO} --version \
| egrep 'texinfo[^0-9]*(4\.([7-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then
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committed
:
else
MAKEINFO="$MISSING makeinfo"
fi
;;
changequote([,])
esac
# FIXME: expect and dejagnu may become build tools?
AC_CHECK_PROGS(EXPECT, expect, expect)
case " $configdirs " in
*" expect "*)
test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect'
;;
esac
AC_CHECK_PROGS(RUNTEST, runtest, runtest)
case " $configdirs " in
*" dejagnu "*)
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committed
test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest'
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committed
;;
esac
NCN_STRICT_CHECK_TOOLS(AR, ar)
NCN_STRICT_CHECK_TOOLS(AS, as)
NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool)
NCN_STRICT_CHECK_TOOLS(LD, ld)
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committed
NCN_STRICT_CHECK_TOOLS(LIPO, lipo)
NCN_STRICT_CHECK_TOOLS(NM, nm)
NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, true)
NCN_STRICT_CHECK_TOOLS(STRIP, strip, true)
NCN_STRICT_CHECK_TOOLS(WINDRES, windres)
NCN_STRICT_CHECK_TOOLS(WINDMC, windmc)
NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy)
NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump)
AC_SUBST(CC)
AC_SUBST(CXX)
AC_SUBST(CFLAGS)
AC_SUBST(CXXFLAGS)
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# Target tools.
AC_ARG_WITH([build-time-tools],
[ --with-build-time-tools=PATH
use given path to find target tools during the build],
[case x"$withval" in
x/*) ;;
*)
with_build_time_tools=
AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path])
;;
esac],
[with_build_time_tools=])
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, ${CC_FOR_TARGET})
NCN_STRICT_CHECK_TARGET_TOOLS(GCJ_FOR_TARGET, gcj)
NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran)
ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar)
ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as)
ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld)
ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo)
ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm)
ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump)
ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib)
ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip)
ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc)
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RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET"
GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar])
GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new])
GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX,
[gcc/g++ -B$$r/$(HOST_SUBDIR)/gcc/ -nostdinc++ `test ! -f $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags || $(SHELL) $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags --build-includes` -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs],
c++)
GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX,
[gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs],
c++)
GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool])
GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$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/$(HOST_SUBDIR)/gcc/], fortran)
GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new])
GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO)
GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new])
GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump])
GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib])
GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip])
GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres])
GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc])
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committed
AC_SUBST(FLAGS_FOR_TARGET)
AC_SUBST(RAW_CXX_FOR_TARGET)
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committed
# Certain tools may need extra flags.
AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
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# When building target libraries, except in a Canadian cross, we use
# the same toolchain as the compiler we just built.
COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)'
COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)'
COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)'
if test $host = $build; then
case " $configdirs " in
*" gcc "*)
COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as'
COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld'
COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target}
;;
esac
fi
AC_SUBST(COMPILER_AS_FOR_TARGET)
AC_SUBST(COMPILER_LD_FOR_TARGET)
AC_SUBST(COMPILER_NM_FOR_TARGET)
AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
AC_ARG_ENABLE(maintainer-mode,
[ --enable-maintainer-mode enable make rules and dependencies not useful
(and sometimes confusing) to the casual installer],
USE_MAINTAINER_MODE=$enableval,
USE_MAINTAINER_MODE=no)
AC_MSG_RESULT($USE_MAINTAINER_MODE)
AC_SUBST(MAINTAINER_MODE_TRUE)
AC_SUBST(MAINTAINER_MODE_FALSE)
if test "$USE_MAINTAINER_MODE" = yes; then
MAINTAINER_MODE_TRUE=
MAINTAINER_MODE_FALSE='#'
else
MAINTAINER_MODE_TRUE='#'
MAINTAINER_MODE_FALSE=
fi
MAINT=$MAINTAINER_MODE_TRUE
AC_SUBST(MAINT)dnl
# ---------------------
# GCC bootstrap support
# ---------------------
# Stage specific cflags for build.
stage1_cflags="-g"
case $build in
vax-*-*)
case ${GCC} in
yes) stage1_cflags="-g -Wa,-J" ;;
*) stage1_cflags="-g -J" ;;
esac ;;
esac
# This is aimed to mimic bootstrap with a non-GCC compiler to catch problems.
if test "$GCC" = yes -a "$ENABLE_BUILD_WITH_CXX" != yes; then
saved_CFLAGS="$CFLAGS"
# Pass -fkeep-inline-functions for stage 1 if the GCC version supports it.
CFLAGS="$CFLAGS -fkeep-inline-functions"
AC_MSG_CHECKING([whether -fkeep-inline-functions is supported])
AC_TRY_COMPILE([
#if (__GNUC__ < 3) \
|| (__GNUC__ == 3 && (__GNUC_MINOR__ < 3 \
|| (__GNUC_MINOR__ == 3 && __GNUC_PATCHLEVEL__ < 1)))
#error http://gcc.gnu.org/PR29382
#endif
],,
[AC_MSG_RESULT([yes]); stage1_cflags="$stage1_cflags -fkeep-inline-functions"],
[AC_MSG_RESULT([no])])
CFLAGS="$saved_CFLAGS"
fi
AC_SUBST(stage1_cflags)
# Enable --enable-checking in stage1 of the compiler.
AC_ARG_ENABLE(stage1-checking,
[ --enable-stage1-checking@<:@=all@:>@ choose additional checking for stage1
of the compiler],
[stage1_checking=--enable-checking=${enable_stage1_checking}],
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[if test "x$enable_checking" = xno || test "x$enable_checking" = x; then
stage1_checking=--enable-checking=yes,types
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stage1_checking=--enable-checking=$enable_checking,types
fi])
AC_SUBST(stage1_checking)
# Enable -Werror in bootstrap stage2 and later.
AC_ARG_ENABLE(werror,
[ --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])
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case ${enable_werror} in
yes) stage2_werror_flag="--enable-werror-always" ;;
*) stage2_werror_flag="" ;;
esac
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committed
AC_SUBST(stage2_werror_flag)
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# 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/*" ;;
esac
case " $configdirs " in
*" ppl "*) compare_exclusions="$compare_exclusions | ppl/src/ppl-config.o" ;;
esac
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committed
AC_SUBST(compare_exclusions)
AC_CONFIG_FILES([Makefile],
[sed "$extrasub_build" Makefile |
sed "$extrasub_host" |
sed "$extrasub_target" > mf$$
mv -f mf$$ Makefile],
[extrasub_build="$extrasub_build"
extrasub_host="$extrasub_host"
extrasub_target="$extrasub_target"])
AC_OUTPUT