# these libraries are used by various programs built for the host environment
#
-host_libs="intl mmalloc libiberty opcodes bfd readline tcl tk itcl libgui zlib libcpp libdecnumber"
+host_libs="intl mmalloc libiberty opcodes bfd readline tcl tk itcl libgui zlib libcpp libdecnumber gmp mpfr"
# these tools are built for the host environment
# Note, the powerpc-eabi build depends on sim occurring before gdb in order to
# libgcj represents the runtime libraries only used by gcj.
libgcj="target-libffi \
- target-boehm-gc \
target-zlib \
target-qthreads \
target-libjava"
# the host libraries and the host tools (which may be a cross compiler)
#
target_libraries="target-libiberty \
+ target-libgcc \
target-libgloss \
target-newlib \
target-libstdc++-v3 \
target-libmudflap \
target-libssp \
- target-libgcc-math \
target-libgfortran \
+ target-boehm-gc \
${libgcj} \
target-libobjc \
target-libada \
# Some tools are only suitable for building in a "native" situation.
# Remove these if host!=target.
-native_only="autoconf automake libtool fileutils find gawk gettext gzip hello indent m4 rcs recode sed shellutils tar textutils uudecode wdiff gprof target-groff guile perl time ash bash bzip2 prms gnuserv target-gperf"
+native_only="autoconf automake libtool fileutils find gawk gettext gzip hello indent m4 rcs recode sed shellutils tar textutils uudecode wdiff target-groff guile perl time ash bash bzip2 prms gnuserv target-gperf"
# Similarly, some are only suitable for cross toolchains.
# Remove these if host=target.
i[[3456789]]86-*-go32* | i[[3456789]]86-*-msdosdjgpp*)
noconfigdirs="$noconfigdirs tcl tk expect dejagnu send-pr uudecode guile itcl gnuserv libffi"
;;
+ x86_64-*-mingw*)
+ noconfigdirs="$noconfigdirs expect dejagnu autoconf automake send-pr rcs guile perl texinfo libtool newlib"
+ ;;
i[[3456789]]86-*-mingw32*)
# noconfigdirs="tcl tk expect dejagnu make texinfo bison patch flex byacc send-pr uudecode dejagnu diff guile perl itcl gnuserv"
- noconfigdirs="$noconfigdirs expect dejagnu autoconf automake send-pr rcs guile perl texinfo libtool"
+ noconfigdirs="$noconfigdirs expect dejagnu autoconf automake send-pr rcs guile perl texinfo libtool newlib"
;;
i[[3456789]]86-*-beos*)
noconfigdirs="$noconfigdirs tk itcl libgui gdb"
ENABLE_LIBSSP=$enableval,
ENABLE_LIBSSP=yes)
-# Set the default so we build libgcc-math for ix86 and x86_64
-AC_ARG_ENABLE(libgcc-math,
-[ --enable-libgcc-math Builds libgcc-math directory],,
-[
-case "${target}" in
- i?86-* | x86_64-* )
- enable_libgcc_math=yes ;;
- *)
- enable_libgcc_math=no ;;
-esac
-])
-
# 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=$libgcj
;;
*-*-netbsd* | *-*-freebsd* | *-*-openbsd*)
;;
- *-*-solaris2* | *-*-sysv4* | *-*-irix* | *-*-osf* | *-*-hpux*)
+ *-*-solaris2* | *-*-sysv4* | *-*-irix6* | *-*-osf* | *-*-hpux11*)
;;
*-*-darwin* | *-*-aix*)
;;
*-*-chorusos)
noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
;;
- powerpc-*-darwin*)
+ powerpc-*-darwin* | i[[3456789]]86-*-darwin*)
noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes gdb gprof"
noconfigdirs="$noconfigdirs sim target-rda"
;;
noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
;;
bfin-*-*)
- noconfigdirs="$noconfigdirs target-libgloss gdb"
+ noconfigdirs="$noconfigdirs gdb"
if test x${is_cross_compiler} != xno ; then
target_configdirs="${target_configdirs} target-bsp target-cygmon"
fi
hppa*64*-*-*)
noconfigdirs="$noconfigdirs ${libgcj}"
;;
+ hppa*-hp-hpux11*)
+ noconfigdirs="$noconfigdirs ld shellutils"
+ ;;
hppa*-*-*)
# According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
# build on HP-UX 10.20.
# 'target-newlib' will appear in skipdirs.
;;
i[[3456789]]86-*-mingw32*)
- target_configdirs="$target_configdirs target-mingw"
- noconfigdirs="$noconfigdirs expect target-libgloss ${libgcj}"
-
- # Can't build gdb for mingw32 if not native.
- case "${host}" in
- i[[3456789]]86-*-mingw32) ;; # keep gdb tcl tk expect etc.
- *) noconfigdirs="$noconfigdirs gdb tcl tk expect itcl gnuserv"
- ;;
- esac
+ target_configdirs="$target_configdirs target-winsup"
+ noconfigdirs="$noconfigdirs expect target-libgloss target-newlib ${libgcj}"
+ ;;
+ x86_64-*-mingw*)
+ target_configdirs="$target_configdirs target-winsup"
+ noconfigdirs="$noconfigdirs expect target-libgloss target-newlib ${libgcj}"
;;
*-*-cygwin*)
target_configdirs="$target_configdirs target-libtermcap target-winsup"
noconfigdirs="$noconfigdirs target-gperf target-libgloss ${libgcj}"
# always build newlib if winsup directory is present.
- if test -d "$srcdir/winsup"; then
+ if test -d "$srcdir/winsup/cygwin"; then
skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
elif test -d "$srcdir/newlib"; then
- echo "Warning: winsup is missing so newlib can't be built."
+ echo "Warning: winsup/cygwin is missing so newlib can't be built."
fi
-
- # Can't build gdb for Cygwin if not native.
- case "${host}" in
- *-*-cygwin*) ;; # keep gdb tcl tk expect etc.
- *) noconfigdirs="$noconfigdirs gdb tcl tk expect itcl libgui gnuserv"
- ;;
- esac
;;
i[[3456789]]86-moss-msdos | i[[3456789]]86-*-moss* | \
i[[3456789]]86-*-uwin* | i[[3456789]]86-*-interix* )
# <oldham@codesourcery.com>
noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
;;
- mips*-dec-bsd*)
- noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
- ;;
mips*-*-bsd*)
noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
;;
- mipstx39-*-*)
- noconfigdirs="$noconfigdirs gprof ${libgcj}" # same as generic mips
- ;;
mips64*-*-linux*)
- noconfigdirs="$noconfigdirs target-newlib ${libgcj}"
+ noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
;;
mips*-*-linux*)
noconfigdirs="$noconfigdirs target-newlib target-libgloss"
;;
sparc-*-solaris* | sparc64-*-solaris* | sparcv9-*-solaris*)
;;
+ spu-*-*)
+ skipdirs="target-libssp"
+ ;;
v810-*-*)
noconfigdirs="$noconfigdirs bfd binutils gas gcc gdb ld target-libstdc++-v3 opcodes target-libgloss ${libgcj}"
;;
;;
*-mingw32*)
;;
+ *-mingw64*)
+ ;;
*-interix*)
host_makefile_frag="config/mh-interix"
;;
ACX_PROG_CMP_IGNORE_INITIAL
# Check for GMP and MPFR
-gmplibs=
+gmplibs="-lmpfr -lgmp"
gmpinc=
-have_gmp=yes
+have_gmp=no
+
# Specify a location for mpfr
# check for this first so it ends up on the link line before gmp.
-AC_ARG_WITH(mpfr-dir, [ --with-mpfr-dir=PATH Specify source directory for MPFR library])
-
-if test "x$with_mpfr_dir" != x; then
- gmpinc="-I$with_mpfr_dir"
- gmplibs="$with_mpfr_dir/libmpfr.a"
-else
- gmplibs="-lmpfr"
-fi
+AC_ARG_WITH(mpfr-dir, [ --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, [ --with-mpfr=PATH Specify directory for installed MPFR library])
+AC_ARG_WITH(mpfr, [ --with-mpfr=PATH Specify prefix directory for installed MPFR package
+ Equivalent to --with-mpfr-include=PATH/include
+ plus --with-mpfr-lib=PATH/lib])
+AC_ARG_WITH(mpfr_include, [ --with-mpfr-include=PATH
+ Specify directory for installed MPFR include files])
+AC_ARG_WITH(mpfr_lib, [ --with-mpfr-lib=PATH Specify the directory for the installed MPFR library])
if test "x$with_mpfr" != x; then
gmplibs="-L$with_mpfr/lib $gmplibs"
gmpinc="-I$with_mpfr/include"
fi
+if test "x$with_mpfr_include" != x; then
+ gmpinc="-I$with_mpfr_include"
+fi
+if test "x$with_mpfr_lib" != x; then
+ gmplibs="-L$with_mpfr_lib $gmplibs"
+fi
+if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then
+ gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/.libs -L$$r/$(HOST_SUBDIR)/mpfr/_libs '"$gmplibs"
+ gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr -I$$s/mpfr '"$gmpinc"
+ # Do not test the mpfr version. Assume that it is sufficient, since
+ # it is in the source tree, and the library has not been built yet
+ # but it would be included on the link line in the version check below
+ # hence making the test fail.
+ have_gmp=yes
+fi
# Specify a location for gmp
-AC_ARG_WITH(gmp-dir, [ --with-gmp-dir=PATH Specify source directory for GMP library])
-
-if test "x$with_gmp_dir" != x; then
- gmpinc="$gmpinc -I$with_gmp_dir"
- if test -f "$with_gmp_dir/.libs/libgmp.a"; then
- gmplibs="$gmplibs $with_gmp_dir/.libs/libgmp.a"
- elif test -f "$with_gmp_dir/_libs/libgmp.a"; then
- gmplibs="$gmplibs $with_gmp_dir/_libs/libgmp.a"
- fi
- # One of the later tests will catch the error if neither library is present.
-else
- gmplibs="$gmplibs -lgmp"
-fi
+AC_ARG_WITH(gmp-dir, [ --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, [ --with-gmp=PATH Specify prefix directory for the installed GMP package
+ Equivalent to --with-gmp-include=PATH/include
+ plus --with-gmp-lib=PATH/lib])
+AC_ARG_WITH(gmp_include, [ --with-gmp-include=PATH Specify directory for installed GMP include files])
+AC_ARG_WITH(gmp_lib, [ --with-gmp-lib=PATH Specify the directory for the installed GMP library])
-AC_ARG_WITH(gmp, [ --with-gmp=PATH Specify directory for installed GMP library])
if test "x$with_gmp" != x; then
gmplibs="-L$with_gmp/lib $gmplibs"
gmpinc="-I$with_gmp/include $gmpinc"
fi
+if test "x$with_gmp_include" != x; then
+ gmpinc="-I$with_gmp_include $gmpinc"
+fi
+if test "x$with_gmp_lib" != x; then
+ gmplibs="-L$with_gmp_lib $gmplibs"
+fi
+if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then
+ gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/.libs -L$$r/$(HOST_SUBDIR)/gmp/_libs '"$gmplibs"
+ gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc"
+ # Do not test the gmp version. Assume that it is sufficient, since
+ # it is in the source tree, and the library has not been built yet
+ # but it would be included on the link line in the version check below
+ # hence making the test fail.
+ have_gmp=yes
+fi
-saved_CFLAGS="$CFLAGS"
-CFLAGS="$CFLAGS $gmpinc"
-# Check GMP actually works
-AC_MSG_CHECKING([for correct version of gmp.h])
-AC_TRY_COMPILE([#include "gmp.h"],[
-#if __GNU_MP_VERSION < 3
-choke me
-#endif
-], [AC_MSG_RESULT([yes])],
- [AC_MSG_RESULT([no]); have_gmp=no])
-
-if test x"$have_gmp" = xyes; then
- AC_MSG_CHECKING([for MPFR])
-
- saved_LIBS="$LIBS"
- LIBS="$LIBS $gmplibs"
- AC_TRY_LINK([#include <gmp.h>
-#include <mpfr.h>], [mpfr_t n; mpfr_init(n);],
- [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
- LIBS="$saved_LIBS"
+if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then
+ have_gmp=yes
+ saved_CFLAGS="$CFLAGS"
+ CFLAGS="$CFLAGS $gmpinc"
+ # Check GMP actually works
+ AC_MSG_CHECKING([for correct version of gmp.h])
+ AC_TRY_COMPILE([#include "gmp.h"],[
+ #if __GNU_MP_VERSION < 4 || (__GNU_MP_VERSION == 4 && __GNU_MP_VERSION_MINOR < 1)
+ choke me
+ #endif
+ ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
+
+ if test x"$have_gmp" = xyes; then
+ saved_LIBS="$LIBS"
+ LIBS="$LIBS $gmplibs"
+ dnl MPFR 2.2.0 is acceptable but buggy, MPFR 2.2.1 is better.
+ AC_MSG_CHECKING([for correct version of mpfr.h])
+ AC_TRY_LINK([#include <gmp.h>
+ #include <mpfr.h>],[
+ #if MPFR_VERSION < MPFR_VERSION_NUM(2,2,0)
+ choke me
+ #endif
+ mpfr_t n; mpfr_init(n);
+ mpfr_t x; mpfr_init(x);
+ int t;
+ mpfr_atan2 (n, n, x, GMP_RNDN);
+ mpfr_erfc (n, x, GMP_RNDN);
+ mpfr_subnormalize (x, t, GMP_RNDN);
+ ], [AC_TRY_LINK([#include <gmp.h>
+ #include <mpfr.h>],[
+ #if MPFR_VERSION < MPFR_VERSION_NUM(2,2,1)
+ choke me
+ #endif
+ mpfr_t n; mpfr_init(n);
+ ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
+ [AC_MSG_RESULT([no]); have_gmp=no])
+ LIBS="$saved_LIBS"
+ fi
+ CFLAGS="$saved_CFLAGS"
+
+ if test x$have_gmp != xyes; then
+ AC_MSG_ERROR([Building GCC requires GMP 4.1+ and MPFR 2.2.1+.
+Try the --with-gmp and/or --with-mpfr options to specify their locations.
+Copies of these libraries' source code can be found at their respective
+hosting sites as well as at ftp://gcc.gnu.org/pub/gcc/infrastructure/.
+See also http://gcc.gnu.org/install/prerequisites.html for additional info.
+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
-CFLAGS="$saved_CFLAGS"
# Flags needed for both GMP and/or MPFR
AC_SUBST(gmplibs)
AC_SUBST(gmpinc)
# By default, C is the only stage 1 language.
-stage1_languages=c
-AC_SUBST(stage1_languages)
+stage1_languages=,c,
# Figure out what language subdirectories are present.
# Look if the user specified --enable-languages="..."; if not, use
esac
done
- new_enable_languages=c
+ new_enable_languages=,c,
missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
- potential_languages=c
+ potential_languages=,c,
for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
case ${lang_frag} in
language=
target_libs=
lang_dirs=
- boot_language=
- build_by_default=
- need_gmp=
+ subdir_requires=
+ boot_language=no
+ build_by_default=yes
. ${lang_frag}
- potential_languages="${potential_languages},${language}"
- # This is quite sensitive to the ordering of the case statement arms.
- case ,${enable_languages},:${language}:${have_gnat}:${build_by_default} in
- *::*:*)
- echo "${lang_frag} doesn't set \$language." 1>&2
- exit 1
- ;;
- *:ada:no:*)
- # Ada was requested with no preexisting GNAT. Disable unconditionally.
- add_this_lang=no
- ;;
- *,${language},*:*:*:*)
+ if test x${language} = x; then
+ echo "${lang_frag} doesn't set \$language." 1>&2
+ exit 1
+ fi
+
+ case ,${enable_languages}, in
+ *,${language},*)
# Language was explicitly selected; include it.
add_this_lang=yes
;;
- *,all,*:*:*:no)
- # 'all' was selected, but this is not a default language
- # so do not include it.
- add_this_lang=no
- ;;
- *,all,*:*:*:*)
- # 'all' was selected and this is a default language; include it.
- add_this_lang=yes
+ *,all,*)
+ # 'all' was selected, select it if it is a default language
+ add_this_lang=${build_by_default}
;;
*)
add_this_lang=no
;;
esac
- # Disable languages that need GMP if it isn't available.
- case ,${enable_languages},:${have_gmp}:${need_gmp} in
- *,${language},*:no:yes)
+ # 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
+ *,${language},*)
+ # Specifically requested language; tell them.
+ AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing])
+ ;;
+ *)
+ # Silently disable.
+ add_this_lang=unsupported
+ ;;
+ esac
+ done
+
+ # Disable Ada if no preexisting GNAT is available.
+ case ,${enable_languages},:${language}:${have_gnat} in
+ *,${language},*:ada:no)
# Specifically requested language; tell them.
- AC_MSG_ERROR([GMP with MPFR support is required to build $language])
+ AC_MSG_ERROR([GNAT is required to build $language])
;;
- *:no:yes)
+ *:ada:no)
# Silently disable.
- add_this_lang=no
+ add_this_lang=unsupported
;;
esac
# Disable a language that is unsupported by the target.
case " $unsupported_languages " in
*" $language "*)
- add_this_lang=no
+ add_this_lang=unsupported
;;
esac
case $add_this_lang in
- no)
+ unsupported)
# Remove language-dependent dirs.
eval noconfigdirs='"$noconfigdirs "'\"$target_libs $lang_dirs\"
;;
- *)
- new_enable_languages="$new_enable_languages,$language"
+ no)
+ # Remove language-dependent dirs; still show language as supported.
+ eval noconfigdirs='"$noconfigdirs "'\"$target_libs $lang_dirs\"
+ potential_languages="${potential_languages}${language},"
+ ;;
+ yes)
+ new_enable_languages="${new_enable_languages}${language},"
+ potential_languages="${potential_languages}${language},"
missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
case ${boot_language} in
yes)
# Add to (comma-separated) list of stage 1 languages.
- stage1_languages="${stage1_languages},${language}"
+ stage1_languages="${stage1_languages}${language},"
;;
esac
;;
esac
done
+ AC_ARG_ENABLE(stage1-languages,
+[ --enable-stage1-languages[=all] choose additional languages to build during
+ stage1. Mostly useful for compiler development.],
+ [case ,${enable_stage1_languages}, in
+ ,no,|,,)
+ # Set it to something that will have no effect in the loop below
+ enable_stage1_languages=c ;;
+ ,yes,)
+ enable_stage1_languages=`echo $new_enable_languages | \
+ sed -e "s/^,//" -e "s/,$//" ` ;;
+ *,all,*)
+ enable_stage1_languages=`echo ,$enable_stage1_languages, | \
+ sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;;
+ esac
+
+ # Add "good" languages from enable_stage1_languages to stage1_languages,
+ # while "bad" languages go in missing_languages. Leave no duplicates.
+ for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do
+ case $potential_languages in
+ *,$i,*)
+ case $stage1_languages in
+ *,$i,*) ;;
+ *) stage1_languages="$stage1_languages$i," ;;
+ esac ;;
+ *)
+ case $missing_languages in
+ *,$i,*) ;;
+ *) missing_languages="$missing_languages$i," ;;
+ esac ;;
+ esac
+ done])
+
+ # Remove leading/trailing commas that were added for simplicity
+ potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"`
missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
+ stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"`
+ new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"`
+
if test "x$missing_languages" != x; then
AC_MSG_ERROR([
The following requested languages could not be built: ${missing_languages}
-Recognised languages are: ${potential_languages}])
+Supported languages are: ${potential_languages}])
fi
-
if test "x$new_enable_languages" != "x$enable_languages"; then
echo The following languages will be built: ${new_enable_languages}
+ enable_languages="$new_enable_languages"
fi
- enable_languages="$new_enable_languages"
+
+ AC_SUBST(stage1_languages)
ac_configure_args=`echo " $ac_configure_args" | sed -e 's/ --enable-languages=[[^ ]]*//' -e 's/$/ --enable-languages='"$enable_languages"/ `
fi
fi
done
+# Check for Boehm's garbage collector
+AC_ARG_ENABLE(objc-gc,
+[ --enable-objc-gc enable the use of Boehm's garbage collector with
+ the GNU Objective-C runtime.],
+[case ,${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"
+ fi
+ ;;
+esac
+
# 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 $notsupp.
# Sometimes the tools are distributed with libiberty but with no other
# libraries. In that case, we don't want to build target-libiberty.
+# Don't let libgcc imply libiberty either.
if test -n "${target_configdirs}" ; then
+ libgcc=
others=
for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do
- if test "$i" != "libiberty" ; then
+ if test "$i" = "libgcc"; then
+ libgcc=target-libgcc
+ elif test "$i" != "libiberty" ; then
if test -r $srcdir/$i/configure ; then
others=yes;
break;
fi
done
if test -z "${others}" ; then
- target_configdirs=
+ target_configdirs=$libgcc
fi
fi
extra_ranlibflags_for_target=
target_makefile_frag=/dev/null
case "${target}" in
+ mep*-*-*)
+ target_makefile_frag="config/mt-mep"
+ ;;
+ spu-*-*)
+ target_makefile_frag="config/mt-spu"
+ ;;
*-*-netware*)
target_makefile_frag="config/mt-netware"
;;
done
for module in ${configdirs} ; do
if test -z "${no_recursion}"; then
- for file in stage*-${module}/Makefile ${module}/Makefile; do
+ for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do
if test -f ${file}; then
echo 1>&2 "*** removing ${file} to force reconfigure"
rm -f ${file}
# For the build-side libraries, we just need to pretend we're native,
# and not use the same cache file. Multilibs are neither needed nor
# desired.
-build_configargs="--cache-file=../config.cache --build=${build_alias} --host=${build_alias} --target=${target_alias} ${baseargs}"
+build_configargs="--cache-file=../config.cache ${baseargs}"
# For host modules, accept cache file option, or specification as blank.
case "${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="--cache-file=./config.cache --build=${build_alias} --host=${host_alias} --target=${target_alias} ${extra_host_args} ${baseargs}"
+host_configargs="--cache-file=./config.cache ${extra_host_args} ${baseargs}"
target_configargs=${baseargs}
# 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 --build=${build_alias} --host=${target_alias} --target=${target_alias} ${target_configargs}"
+target_configargs="--cache-file=./config.cache ${target_configargs}"
FLAGS_FOR_TARGET=
case " $target_configdirs " in
esac
;;
esac
+case "$target" in
+*-mingw*)
+ # Can't be handled as Cygwin above since Mingw 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' ;;
+esac
# Allow the user to override the flags for
# our build compiler if desired.
;;
esac
+case $target in
+ mep*)
+ FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary"
+ ;;
+esac
+
# Makefile fragments.
for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
do
AC_CHECK_PROGS(RUNTEST, runtest, runtest)
case " $configdirs " in
*" dejagnu "*)
- test $host = $build && RUNTEST='$$r/$(HOST_SUBDIR)/dejagnu/runtest'
+ test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest'
;;
esac
yes) stage1_cflags="-g -Wa,-J" ;;
*) stage1_cflags="-g -J" ;;
esac ;;
- powerpc-*-darwin*)
- # The spiffy cpp-precomp chokes on some legitimate constructs in GCC
- # sources; use -no-cpp-precomp to get to GNU cpp.
- # Apple's GCC has bugs in designated initializer handling, so disable
- # that too.
- stage1_cflags="-g -no-cpp-precomp -DHAVE_DESIGNATED_INITIALIZERS=0"
- ;;
esac
+
+# This is aimed to mimic bootstrap with a non-GCC compiler to catch problems.
+if test "$GCC" = 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(,,
+ [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=${enable_stage1_checking}],
+[if test "x$enable_checking" = xno; then
+ stage1_checking=--enable-checking
+else
+ stage1_checking=--enable-checking${enable_checking+=}$enable_checking
+fi])
+AC_SUBST(stage1_checking)
+
# Enable -Werror in bootstrap stage2 and later.
-# Change the default to "no" on release branches.
AC_ARG_ENABLE(werror,
[ --enable-werror enable -Werror in bootstrap stage2 and later], [],
-[enable_werror=yes])
+[if test -d gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then
+ enable_werror=yes
+else
+ enable_werror=no
+fi])
case ${enable_werror} in
yes) stage2_werror_flag="--enable-werror-always" ;;
*) stage2_werror_flag="" ;;