1 # Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
2 # 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
3 # Free Software Foundation, Inc.
5 # This file is free software; you can redistribute it and/or modify it
6 # under the terms of the GNU General Public License as published by
7 # the Free Software Foundation; either version 3 of the License, or
8 # (at your option) any later version.
10 # This program is distributed in the hope that it will be useful, but
11 # WITHOUT ANY WARRANTY; without even the implied warranty of
12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 # General Public License for more details.
15 # You should have received a copy of the GNU General Public License
16 # along with this program; see the file COPYING3. If not see
17 # <http://www.gnu.org/licenses/>.
19 ##############################################################################
20 ### WARNING: this file contains embedded tabs. Do not run untabify on this file.
22 m4_include(config/acx.m4)
23 m4_include(config/override.m4)
24 m4_include(config/proginstall.m4)
25 m4_include(config/elf.m4)
26 m4_include([libtool.m4])
27 m4_include([ltoptions.m4])
28 m4_include([ltsugar.m4])
29 m4_include([ltversion.m4])
30 m4_include([lt~obsolete.m4])
31 m4_include([config/cloog.m4])
33 AC_INIT(move-if-change)
35 AC_DISABLE_OPTION_CHECKING
38 # if PWD already has a value, it is probably wrong.
39 if test -n "$PWD" ; then PWD=`${PWDCMD-pwd}`; fi
41 # Export original configure arguments for use by sub-configures.
42 # Quote arguments with shell meta charatcers.
43 TOPLEVEL_CONFIGURE_ARGUMENTS=
44 set -- "$progname" "$@"
48 *" "*|*" "*|*[[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?\']]*)
49 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"`
50 # if the argument is of the form -foo=baz, quote the baz part only
51 ac_arg=`echo "'$ac_arg'" | sed "s/^'\([[-a-zA-Z0-9]]*=\)/\\1'/"` ;;
54 # Add the quoted argument to the list.
55 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS $ac_arg"
57 if test "$silent" = yes; then
58 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS --silent"
60 # Remove the initial space we just introduced and, as these will be
61 # expanded by make, quote '$'.
62 TOPLEVEL_CONFIGURE_ARGUMENTS=`echo "x$TOPLEVEL_CONFIGURE_ARGUMENTS" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
63 AC_SUBST(TOPLEVEL_CONFIGURE_ARGUMENTS)
65 # Find the build, host, and target systems.
66 ACX_NONCANONICAL_BUILD
68 ACX_NONCANONICAL_TARGET
70 dnl Autoconf 2.5x and later will set a default program prefix if
71 dnl --target was used, even if it was the same as --host. Disable
72 dnl that behavior. This must be done before AC_CANONICAL_SYSTEM
74 test "$host_noncanonical" = "$target_noncanonical" &&
75 test "$program_prefix$program_suffix$program_transform_name" = \
77 program_transform_name=s,y,y,
82 m4_pattern_allow([^AS_FOR_TARGET$])dnl
83 m4_pattern_allow([^AS_FOR_BUILD$])dnl
85 # Get 'install' or 'install-sh' and its variants.
92 srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}`
94 # We pass INSTALL explicitly to sub-makes. Make sure that it is not
96 if test "$INSTALL" = "${srcdir}/install-sh -c"; then
97 INSTALL="${srcpwd}/install-sh -c"
100 # Set srcdir to "." if that's what it is.
101 # This is important for multilib support.
103 if test "${pwd}" = "${srcpwd}" ; then
111 ### To add a new directory to the tree, first choose whether it is a target
112 ### or a host dependent tool. Then put it into the appropriate list
113 ### (library or tools, host or target), doing a dependency sort.
115 # Subdirs will be configured in the order listed in build_configdirs,
116 # configdirs, or target_configdirs; see the serialization section below.
118 # Dependency sorting is only needed when *configuration* must be done in
119 # a particular order. In all cases a dependency should be specified in
120 # the Makefile, whether or not it's implicitly specified here.
122 # Double entries in build_configdirs, configdirs, or target_configdirs may
123 # cause circular dependencies and break everything horribly.
125 # these library is used by various programs built for the build
128 build_libs="build-libiberty"
130 # these tools are built for the build environment
131 build_tools="build-texinfo build-flex build-bison build-m4 build-fixincludes"
133 # these libraries are used by various programs built for the host environment
135 host_libs="intl libiberty opcodes bfd readline tcl tk itcl libgui zlib libcpp libdecnumber gmp mpfr mpc ppl cloog libelf libiconv"
137 # these tools are built for the host environment
138 # Note, the powerpc-eabi build depends on sim occurring before gdb in order to
139 # know that we are building the simulator.
140 # binutils, gas and ld appear in that order because it makes sense to run
141 # "make check" in that particular order.
142 # If --enable-gold is used, "gold" may replace "ld".
143 host_tools="texinfo flex bison binutils gas ld fixincludes gcc cgen sid sim gdb gprof etc expect dejagnu m4 utils guile fastjar gnattools"
145 # libgcj represents the runtime libraries only used by gcj.
146 libgcj="target-libffi \
150 # these libraries are built for the target environment, and are built after
151 # the host libraries and the host tools (which may be a cross compiler)
152 # Note that libiberty is not a target library.
153 target_libraries="target-libgcc \
157 target-libstdc++-v3 \
168 # these tools are built using the target libraries, and are intended to
169 # run only in the target environment
171 # note: any program that *uses* libraries that are in the "target_libraries"
172 # list belongs in this list.
174 target_tools="target-rda"
176 ################################################################################
178 ## All tools belong in one of the four categories, and are assigned above
179 ## We assign ${configdirs} this way to remove all embedded newlines. This
180 ## is important because configure will choke if they ever get through.
181 ## ${configdirs} is directories we build using the host tools.
182 ## ${target_configdirs} is directories we build using the target tools.
183 configdirs=`echo ${host_libs} ${host_tools}`
184 target_configdirs=`echo ${target_libraries} ${target_tools}`
185 build_configdirs=`echo ${build_libs} ${build_tools}`
187 m4_divert_text([PARSE_ARGS],
190 m4_pushdef([AS_MESSAGE_LOG_FD], [])dnl
191 AC_MSG_ERROR([path to source, $srcdir, contains spaces])
192 m4_popdef([AS_MESSAGE_LOG_FD])dnl
195 ac_subdirs_all=`cd $srcdir && echo */configure | sed 's,/configure,,g'`
198 ################################################################################
200 srcname="gnu development package"
202 # This gets set non-empty for some net releases of packages.
205 # Define is_cross_compiler to save on calls to 'test'.
207 if test x"${host}" = x"${target}" ; then
210 is_cross_compiler=yes
213 # Find the build and target subdir names.
215 # Be sure to cover against remnants of an in-tree build.
216 if test $srcdir != . && test -d $srcdir/host-${host_noncanonical}; then
217 AC_MSG_ERROR([building out of tree but $srcdir contains host-${host_noncanonical}.
218 Use a pristine source tree when building in a separate tree])
221 # Skipdirs are removed silently.
223 # Noconfigdirs are removed loudly.
227 # Make sure we don't let GNU ld be added if we didn't want it.
228 if test x$with_gnu_ld = xno ; then
230 noconfigdirs="$noconfigdirs ld gold"
234 # Make sure we don't let GNU as be added if we didn't want it.
235 if test x$with_gnu_as = xno ; then
237 noconfigdirs="$noconfigdirs gas"
241 # Make sure we don't let ZLIB be added if we didn't want it.
242 if test x$with_system_zlib = xyes ; then
244 noconfigdirs="$noconfigdirs zlib"
247 # some tools are so dependent upon X11 that if we're not building with X,
248 # it's not even worth trying to configure, much less build, that tool.
251 yes | "") ;; # the default value for this tree is that X11 is available
253 skipdirs="${skipdirs} tk itcl libgui"
254 # We won't be able to build gdbtk without X.
257 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
260 # Some are only suitable for cross toolchains.
261 # Remove these if host=target.
262 cross_only="target-libgloss target-newlib target-opcodes"
264 case $is_cross_compiler in
265 no) skipdirs="${skipdirs} ${cross_only}" ;;
268 # If both --with-headers and --with-libs are specified, default to
270 if test x"${with_headers}" != x && test x"${with_headers}" != xno \
271 && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
272 if test x"${with_newlib}" = x ; then
277 # Recognize --with-newlib/--without-newlib.
278 case ${with_newlib} in
279 no) skipdirs="${skipdirs} target-newlib" ;;
280 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
283 # Handle --enable-gold, --enable-ld.
284 # --disable-gold [--enable-ld]
285 # Build only ld. Default option.
286 # --enable-gold [--enable-ld]
287 # Build both gold and ld. Install gold as "ld.gold", install ld
288 # as "ld.bfd" and "ld".
289 # --enable-gold=default [--enable-ld]
290 # Build both gold and ld. Install gold as "ld.gold" and "ld",
291 # install ld as "ld.bfd".
292 # --enable-gold[=default] --disable-ld
293 # Build only gold, which is then installed as both "ld.gold" and "ld".
294 # --enable-gold --enable-ld=default
295 # Build both gold (installed as "ld.gold") and ld (installed as "ld"
297 # In other words, ld is default
298 # --enable-gold=default --enable-ld=default
303 [AS_HELP_STRING([[--enable-gold[=ARG]]],
304 [build gold @<:@ARG={default,yes,no}@:>@])],
305 ENABLE_GOLD=$enableval,
307 case "${ENABLE_GOLD}" in
309 # Check for ELF target.
312 *-*-elf* | *-*-sysv4* | *-*-unixware* | *-*-eabi* | hppa*64*-*-hpux* \
313 | *-*-linux* | frv-*-uclinux* | *-*-irix5* | *-*-irix6* \
314 | *-*-netbsd* | *-*-openbsd* | *-*-freebsd* | *-*-dragonfly* \
315 | *-*-solaris2* | *-*-nto*)
317 *-*-linux*aout* | *-*-linux*oldld*)
325 if test "$is_elf" = "yes"; then
326 # Check for target supported by gold.
328 i?86-*-* | x86_64-*-* | sparc*-*-* | powerpc*-*-* | arm*-*-*)
329 configdirs="$configdirs gold"
330 if test x${ENABLE_GOLD} = xdefault; then
341 AC_MSG_ERROR([invalid --enable-gold argument])
346 [AS_HELP_STRING([[--enable-ld[=ARG]]],
347 [build ld @<:@ARG={default,yes,no}@:>@])],
348 ENABLE_LD=$enableval,
351 case "${ENABLE_LD}" in
353 if test x${default_ld} != x; then
354 AC_MSG_ERROR([either gold or ld can be the default ld])
360 if test x${ENABLE_GOLD} != xyes; then
361 AC_MSG_WARN([neither ld nor gold are enabled])
363 configdirs=`echo " ${configdirs} " | sed -e 's/ ld / /'`
366 AC_MSG_ERROR([invalid --enable-ld argument])
370 # Configure extra directories which are host specific
374 configdirs="$configdirs libtermcap" ;;
377 # A target can indicate whether a language isn't supported for some reason.
378 # Only spaces may be used in this macro; not newlines or tabs.
379 unsupported_languages=
381 # Remove more programs from consideration, based on the host or
382 # target this usually means that a port of the program doesn't
386 i[[3456789]]86-*-msdosdjgpp*)
387 noconfigdirs="$noconfigdirs tcl tk itcl"
392 AC_ARG_ENABLE(libquadmath,
393 AS_HELP_STRING([--disable-libquadmath],
394 [do not build libquadmath directory]),
395 ENABLE_LIBQUADMATH=$enableval,
396 ENABLE_LIBQUADMATH=yes)
397 if test "${ENABLE_LIBQUADMATH}" = "no" ; then
398 noconfigdirs="$noconfigdirs target-libquadmath"
402 AC_ARG_ENABLE(libquadmath-support,
403 AS_HELP_STRING([--disable-libquadmath-support],
404 [disable libquadmath support for Fortran]),
405 ENABLE_LIBQUADMATH_SUPPORT=$enableval,
406 ENABLE_LIBQUADMATH_SUPPORT=yes)
407 enable_libquadmath_support=
408 if test "${ENABLE_LIBQUADMATH_SUPPORT}" = "no" ; then
409 enable_libquadmath_support=no
413 AC_ARG_ENABLE(libada,
414 [AS_HELP_STRING([--enable-libada], [build libada directory])],
415 ENABLE_LIBADA=$enableval,
417 if test "${ENABLE_LIBADA}" != "yes" ; then
418 noconfigdirs="$noconfigdirs gnattools"
421 AC_ARG_ENABLE(libssp,
422 [AS_HELP_STRING([--enable-libssp], [build libssp directory])],
423 ENABLE_LIBSSP=$enableval,
426 # Save it here so that, even in case of --enable-libgcj, if the Java
427 # front-end isn't enabled, we still get libgcj disabled.
429 case $enable_libgcj in
431 # If we reset it here, it won't get added to noconfigdirs in the
432 # target-specific build rules, so it will be forcibly enabled
433 # (unless the Java language itself isn't enabled).
437 # Make sure we get it printed in the list of not supported target libs.
438 # Don't disable libffi, though, other languages use it.
439 noconfigdirs="$noconfigdirs `echo ${libgcj} | sed -e 's/target-libffi//'`"
440 # Clear libgcj_saved so that even if java is enabled libffi won't be
446 AC_ARG_ENABLE(static-libjava,
447 [AS_HELP_STRING([[--enable-static-libjava[=ARG]]],
448 [build static libjava @<:@default=no@:>@])],
449 ENABLE_STATIC_LIBJAVA=$enableval,
450 ENABLE_STATIC_LIBJAVA=no)
451 enable_static_libjava=
452 if test "${ENABLE_STATIC_LIBJAVA}" = "yes" ; then
453 enable_static_libjava=yes
456 if test x$enable_static_libjava != xyes ; then
457 EXTRA_CONFIGARGS_LIBJAVA=--disable-static
459 AC_SUBST(EXTRA_CONFIGARGS_LIBJAVA)
461 # Disable libmudflap on some systems.
462 if test x$enable_libmudflap = x ; then
464 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | bfin*-*-uclinux* | *-*-kopensolaris*-gnu)
465 # Enable libmudflap by default in GNU and friends.
468 # Enable libmudflap by default in FreeBSD.
471 # Disable it by default everywhere else.
472 noconfigdirs="$noconfigdirs target-libmudflap"
477 # Disable libgomp on non POSIX hosted systems.
478 if test x$enable_libgomp = x ; then
479 # Enable libgomp by default on hosted POSIX systems.
481 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
483 *-*-netbsd* | *-*-freebsd* | *-*-openbsd* | *-*-dragonfly*)
485 *-*-solaris2* | *-*-irix6* | *-*-osf* | *-*-hpux11*)
487 *-*-darwin* | *-*-aix*)
490 noconfigdirs="$noconfigdirs target-libgomp"
495 # Disable libssp for some systems.
498 # No hosted I/O support.
499 noconfigdirs="$noconfigdirs target-libssp"
501 powerpc-*-aix* | rs6000-*-aix*)
502 noconfigdirs="$noconfigdirs target-libssp"
506 # Disable libstdc++-v3 for some systems.
509 # VxWorks uses the Dinkumware C++ library.
510 noconfigdirs="$noconfigdirs target-libstdc++-v3"
513 # the C++ libraries don't build on top of CE's C libraries
514 noconfigdirs="$noconfigdirs target-libstdc++-v3"
517 noconfigdirs="$noconfigdirs target-libstdc++-v3"
521 # Disable Fortran for some systems.
524 # See <http://gcc.gnu.org/ml/gcc-patches/2004-11/msg00572.html>.
525 unsupported_languages="$unsupported_languages fortran"
529 # Disable Java if libffi is not supported.
551 mips-sgi-irix6.* | mips*-*-rtems*)
559 powerpc-*-aix* | rs6000-*-aix*)
563 powerpc64-*-freebsd*)
567 s390-*-* | s390x-*-*)
569 sh-*-* | sh[[34]]*-*-*)
578 unsupported_languages="$unsupported_languages java"
582 # Disable Java, libgcj or related libraries for some systems.
586 i[[3456789]]86-*-darwin*)
588 x86_64-*-darwin[[912]]*)
591 noconfigdirs="$noconfigdirs ${libgcj}"
594 noconfigdirs="$noconfigdirs ${libgcj}"
597 noconfigdirs="$noconfigdirs ${libgcj}"
600 noconfigdirs="$noconfigdirs ${libgcj}"
603 noconfigdirs="$noconfigdirs ${libgcj}"
606 noconfigdirs="$noconfigdirs ${libgcj}"
609 noconfigdirs="$noconfigdirs ${libgcj}"
612 noconfigdirs="$noconfigdirs ${libgcj}"
615 noconfigdirs="$noconfigdirs ${libgcj}"
618 noconfigdirs="$noconfigdirs target-boehm-gc"
620 cris-*-* | crisv32-*-*)
621 unsupported_languages="$unsupported_languages java"
625 *) # See PR46792 regarding target-libffi.
626 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";;
630 # In this case, it's because the hppa64-linux target is for
631 # the kernel only at this point and has no libc, and thus no
632 # headers, crt*.o, etc., all of which are needed by these.
633 unsupported_languages="$unsupported_languages java"
636 noconfigdirs="$noconfigdirs ${libgcj}"
641 # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
642 # build on HP-UX 10.20.
643 noconfigdirs="$noconfigdirs ${libgcj}"
646 noconfigdirs="$noconfigdirs ${libgcj}"
648 i[[3456789]]86-w64-mingw*)
649 noconfigdirs="$noconfigdirs ${libgcj}"
651 i[[3456789]]86-*-mingw*)
652 noconfigdirs="$noconfigdirs ${libgcj}"
655 noconfigdirs="$noconfigdirs ${libgcj}"
658 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc"
661 # copied from rs6000-*-* entry
662 noconfigdirs="$noconfigdirs ${libgcj}"
665 noconfigdirs="$noconfigdirs ${libgcj}"
668 # Linking libjava exceeds command-line length limits on at least
669 # IRIX 6.2, but not on IRIX 6.5.
670 # Also, boehm-gc won't build on IRIX 6.5, according to Jeffrey Oldham
671 # <oldham@codesourcery.com>
672 noconfigdirs="$noconfigdirs ${libgcj}"
675 noconfigdirs="$noconfigdirs ${libgcj}"
679 # Default libgloss CPU subdirectory.
680 libgloss_dir="$target_cpu"
683 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
689 cris-*-* | crisv32-*-*)
698 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
715 # Disable newlib and libgloss for various target OSes.
718 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
720 i[[3456789]]86-*-linux*)
721 # This section makes it possible to build newlib natively on linux.
722 # If we are using a cross compiler then don't configure newlib.
723 if test x${is_cross_compiler} != xno ; then
724 noconfigdirs="$noconfigdirs target-newlib"
726 noconfigdirs="$noconfigdirs target-libgloss"
727 # If we are not using a cross compiler, do configure newlib.
728 # Note however, that newlib will only be configured in this situation
729 # if the --with-newlib option has been given, because otherwise
730 # 'target-newlib' will appear in skipdirs.
732 i[[3456789]]86-*-rdos*)
733 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
735 sh*-*-pe|mips*-*-pe|arm-wince-pe)
736 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
739 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
742 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
745 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
748 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
751 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
754 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
756 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
757 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
760 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
763 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
766 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
769 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
772 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
775 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
778 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
786 noconfigdirs="$noconfigdirs ld gas gdb gprof"
787 noconfigdirs="$noconfigdirs sim target-rda"
789 i[[3456789]]86-*-darwin*)
790 noconfigdirs="$noconfigdirs ld gprof"
791 noconfigdirs="$noconfigdirs sim target-rda"
793 x86_64-*-darwin[[912]]*)
794 noconfigdirs="$noconfigdirs ld gas gprof"
795 noconfigdirs="$noconfigdirs sim target-rda"
798 noconfigdirs="$noconfigdirs ld gas gdb gprof"
799 noconfigdirs="$noconfigdirs sim target-rda"
804 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
805 && test -f /usr/local/include/gmp.h; then
810 # Remove unsupported stuff on all kaOS configurations.
811 noconfigdirs="$noconfigdirs target-libgloss"
818 noconfigdirs="$noconfigdirs target-libgloss"
820 # The tpf target doesn't support gdb yet.
822 noconfigdirs="$noconfigdirs gdb tcl tk libgui itcl"
825 noconfigdirs="$noconfigdirs target-rda"
830 # ld works, but does not support shared libraries.
831 # gas doesn't generate exception information.
832 noconfigdirs="$noconfigdirs gas ld"
835 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
838 # newlib is not 64 bit ready
839 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
841 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
842 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
845 noconfigdirs="$noconfigdirs target-libgloss"
848 noconfigdirs="$noconfigdirs target-libgloss"
851 noconfigdirs="$noconfigdirs ld target-libgloss"
854 noconfigdirs="$noconfigdirs target-libgloss"
857 noconfigdirs="$noconfigdirs target-libgloss gdb"
860 noconfigdirs="$noconfigdirs gdb"
863 noconfigdirs="$noconfigdirs target-libgloss"
866 noconfigdirs="$noconfigdirs gdb"
869 noconfigdirs="$noconfigdirs gdb"
872 noconfigdirs="$noconfigdirs gprof"
875 noconfigdirs="$noconfigdirs target-libgloss"
878 noconfigdirs="$noconfigdirs target-libgloss"
880 hppa1.1-*-osf* | hppa1.1-*-bsd* )
892 noconfigdirs="$noconfigdirs ld"
897 noconfigdirs="$noconfigdirs ld"
900 noconfigdirs="$noconfigdirs gdb"
903 # No gdb support yet.
904 noconfigdirs="$noconfigdirs readline libgui itcl gdb"
908 noconfigdirs="$noconfigdirs libgui itcl ld"
911 # No gdb or ld support yet.
912 noconfigdirs="$noconfigdirs readline libgui itcl gdb ld"
914 i[[3456789]]86-w64-mingw*)
916 i[[3456789]]86-*-mingw*)
917 target_configdirs="$target_configdirs target-winsup"
920 target_configdirs="$target_configdirs target-libtermcap target-winsup"
921 noconfigdirs="$noconfigdirs target-libgloss"
922 # always build newlib if winsup directory is present.
923 if test -d "$srcdir/winsup/cygwin"; then
924 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
925 elif test -d "$srcdir/newlib"; then
926 echo "Warning: winsup/cygwin is missing so newlib can't be built."
930 noconfigdirs="$noconfigdirs target-libgloss"
932 i[[3456789]]86-*-sco3.2v5*)
933 # The linker does not yet know about weak symbols in COFF,
934 # and is not configured to handle mixed ELF and COFF.
935 noconfigdirs="$noconfigdirs ld target-libgloss"
937 i[[3456789]]86-*-sco*)
938 noconfigdirs="$noconfigdirs gprof target-libgloss"
940 i[[3456789]]86-*-solaris2* | x86_64-*-solaris2.1[[0-9]]*)
941 noconfigdirs="$noconfigdirs target-libgloss"
943 i[[3456789]]86-*-sysv4*)
944 noconfigdirs="$noconfigdirs target-libgloss"
946 i[[3456789]]86-*-beos*)
947 noconfigdirs="$noconfigdirs gdb"
949 i[[3456789]]86-*-rdos*)
950 noconfigdirs="$noconfigdirs gdb"
953 noconfigdirs="$noconfigdirs gdb"
956 noconfigdirs="$noconfigdirs sim"
959 # copied from rs6000-*-* entry
960 noconfigdirs="$noconfigdirs gprof"
962 powerpc*-*-winnt* | powerpc*-*-pe*)
963 target_configdirs="$target_configdirs target-winsup"
964 noconfigdirs="$noconfigdirs gdb tcl tk target-libgloss itcl"
965 # always build newlib.
966 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
968 # This is temporary until we can link against shared libraries
969 powerpcle-*-solaris*)
970 noconfigdirs="$noconfigdirs gdb sim tcl tk itcl"
973 noconfigdirs="$noconfigdirs gdb"
976 noconfigdirs="$noconfigdirs gprof"
979 noconfigdirs="$noconfigdirs gprof"
982 noconfigdirs="$noconfigdirs gprof"
985 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss"
988 noconfigdirs="$noconfigdirs gprof"
991 if test x$with_newlib = xyes; then
992 noconfigdirs="$noconfigdirs gprof"
996 noconfigdirs="$noconfigdirs gprof target-libgloss"
999 noconfigdirs="$noconfigdirs gprof target-libgloss"
1002 noconfigdirs="$noconfigdirs gprof target-libgloss"
1007 noconfigdirs="$noconfigdirs gprof"
1014 noconfigdirs="$noconfigdirs target-libgloss" ;;
1018 if test x${is_cross_compiler} = xno ; then
1023 noconfigdirs="$noconfigdirs gdb sim"
1025 tilepro-*-* | tilegx-*-*)
1026 noconfigdirs="$noconfigdirs sim"
1029 noconfigdirs="$noconfigdirs bfd binutils gas gdb ld opcodes target-libgloss"
1032 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1036 # If we aren't building newlib, then don't build libgloss, since libgloss
1037 # depends upon some newlib header files.
1038 case "${noconfigdirs}" in
1039 *target-libgloss*) ;;
1040 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
1043 # Work in distributions that contain no compiler tools, like Autoconf.
1044 host_makefile_frag=/dev/null
1045 if test -d ${srcdir}/config ; then
1047 i[[3456789]]86-*-msdosdjgpp*)
1048 host_makefile_frag="config/mh-djgpp"
1051 ACX_CHECK_CYGWIN_CAT_WORKS
1052 host_makefile_frag="config/mh-cygwin"
1055 host_makefile_frag="config/mh-mingw"
1058 host_makefile_frag="config/mh-interix"
1061 host_makefile_frag="config/mh-pa-hpux10"
1064 host_makefile_frag="config/mh-pa"
1067 host_makefile_frag="config/mh-pa"
1070 host_makefile_frag="config/mh-darwin"
1073 host_makefile_frag="config/mh-ppc-aix"
1076 host_makefile_frag="config/mh-ppc-aix"
1081 if test "${build}" != "${host}" ; then
1082 AR_FOR_BUILD=${AR_FOR_BUILD-ar}
1083 AS_FOR_BUILD=${AS_FOR_BUILD-as}
1084 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
1085 CXX_FOR_BUILD=${CXX_FOR_BUILD-g++}
1086 GCJ_FOR_BUILD=${GCJ_FOR_BUILD-gcj}
1087 GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran}
1088 GOC_FOR_BUILD=${GOC_FOR_BUILD-gccgo}
1089 DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool}
1090 LD_FOR_BUILD=${LD_FOR_BUILD-ld}
1091 NM_FOR_BUILD=${NM_FOR_BUILD-nm}
1092 RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib}
1093 WINDRES_FOR_BUILD=${WINDRES_FOR_BUILD-windres}
1094 WINDMC_FOR_BUILD=${WINDMC_FOR_BUILD-windmc}
1096 AR_FOR_BUILD="\$(AR)"
1097 AS_FOR_BUILD="\$(AS)"
1098 CC_FOR_BUILD="\$(CC)"
1099 CXX_FOR_BUILD="\$(CXX)"
1100 GCJ_FOR_BUILD="\$(GCJ)"
1101 GFORTRAN_FOR_BUILD="\$(GFORTRAN)"
1102 GOC_FOR_BUILD="\$(GOC)"
1103 DLLTOOL_FOR_BUILD="\$(DLLTOOL)"
1104 LD_FOR_BUILD="\$(LD)"
1105 NM_FOR_BUILD="\$(NM)"
1106 RANLIB_FOR_BUILD="\$(RANLIB)"
1107 WINDRES_FOR_BUILD="\$(WINDRES)"
1108 WINDMC_FOR_BUILD="\$(WINDMC)"
1114 # We must set the default linker to the linker used by gcc for the correct
1115 # operation of libtool. If LD is not defined and we are using gcc, try to
1116 # set the LD default to the ld used by gcc.
1117 if test -z "$LD"; then
1118 if test "$GCC" = yes; then
1121 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1123 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1125 case $gcc_prog_ld in
1126 # Accept absolute paths.
1127 [[\\/]* | [A-Za-z]:[\\/]*)]
1128 LD="$gcc_prog_ld" ;;
1134 ACX_PROG_CMP_IGNORE_INITIAL
1136 # See if we are building gcc with C++.
1137 AC_ARG_ENABLE(build-with-cxx,
1138 [AS_HELP_STRING([--enable-build-with-cxx],
1139 [build with C++ compiler instead of C compiler])],
1140 ENABLE_BUILD_WITH_CXX=$enableval,
1141 ENABLE_BUILD_WITH_CXX=no)
1143 # Used for setting $lt_cv_objdir
1146 # Check for GMP, MPFR and MPC
1147 gmplibs="-lmpc -lmpfr -lgmp"
1151 # Specify a location for mpc
1152 # check for this first so it ends up on the link line before mpfr.
1154 [AS_HELP_STRING([--with-mpc=PATH],
1155 [specify prefix directory for installed MPC package.
1156 Equivalent to --with-mpc-include=PATH/include
1157 plus --with-mpc-lib=PATH/lib])])
1158 AC_ARG_WITH(mpc-include,
1159 [AS_HELP_STRING([--with-mpc-include=PATH],
1160 [specify directory for installed MPC include files])])
1161 AC_ARG_WITH(mpc-lib,
1162 [AS_HELP_STRING([--with-mpc-lib=PATH],
1163 [specify directory for the installed MPC library])])
1165 if test "x$with_mpc" != x; then
1166 gmplibs="-L$with_mpc/lib $gmplibs"
1167 gmpinc="-I$with_mpc/include $gmpinc"
1169 if test "x$with_mpc_include" != x; then
1170 gmpinc="-I$with_mpc_include $gmpinc"
1172 if test "x$with_mpc_lib" != x; then
1173 gmplibs="-L$with_mpc_lib $gmplibs"
1175 if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then
1176 gmplibs='-L$$r/$(HOST_SUBDIR)/mpc/src/'"$lt_cv_objdir $gmplibs"
1177 gmpinc='-I$$s/mpc/src '"$gmpinc"
1178 # Do not test the mpc version. Assume that it is sufficient, since
1179 # it is in the source tree, and the library has not been built yet
1180 # but it would be included on the link line in the version check below
1181 # hence making the test fail.
1185 # Specify a location for mpfr
1186 # check for this first so it ends up on the link line before gmp.
1187 AC_ARG_WITH(mpfr-dir,
1188 [AS_HELP_STRING([--with-mpfr-dir=PATH], [this option has been REMOVED])],
1189 [AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed.
1190 Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH])])
1193 [AS_HELP_STRING([--with-mpfr=PATH],
1194 [specify prefix directory for installed MPFR package.
1195 Equivalent to --with-mpfr-include=PATH/include
1196 plus --with-mpfr-lib=PATH/lib])])
1197 AC_ARG_WITH(mpfr-include,
1198 [AS_HELP_STRING([--with-mpfr-include=PATH],
1199 [specify directory for installed MPFR include files])])
1200 AC_ARG_WITH(mpfr-lib,
1201 [AS_HELP_STRING([--with-mpfr-lib=PATH],
1202 [specify directory for the installed MPFR library])])
1204 if test "x$with_mpfr" != x; then
1205 gmplibs="-L$with_mpfr/lib $gmplibs"
1206 gmpinc="-I$with_mpfr/include $gmpinc"
1208 if test "x$with_mpfr_include" != x; then
1209 gmpinc="-I$with_mpfr_include $gmpinc"
1211 if test "x$with_mpfr_lib" != x; then
1212 gmplibs="-L$with_mpfr_lib $gmplibs"
1214 if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then
1215 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir $gmplibs"
1216 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr -I$$s/mpfr '"$gmpinc"
1217 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir"
1218 # Do not test the mpfr version. Assume that it is sufficient, since
1219 # it is in the source tree, and the library has not been built yet
1220 # but it would be included on the link line in the version check below
1221 # hence making the test fail.
1225 # Specify a location for gmp
1226 AC_ARG_WITH(gmp-dir,
1227 [AS_HELP_STRING([--with-gmp-dir=PATH], [this option has been REMOVED])],
1228 [AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed.
1229 Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH])])
1232 [AS_HELP_STRING([--with-gmp=PATH],
1233 [specify prefix directory for the installed GMP package.
1234 Equivalent to --with-gmp-include=PATH/include
1235 plus --with-gmp-lib=PATH/lib])])
1236 AC_ARG_WITH(gmp-include,
1237 [AS_HELP_STRING([--with-gmp-include=PATH],
1238 [specify directory for installed GMP include files])])
1239 AC_ARG_WITH(gmp-lib,
1240 [AS_HELP_STRING([--with-gmp-lib=PATH],
1241 [specify directory for the installed GMP library])])
1244 if test "x$with_gmp" != x; then
1245 gmplibs="-L$with_gmp/lib $gmplibs"
1246 gmpinc="-I$with_gmp/include $gmpinc"
1248 if test "x$with_gmp_include" != x; then
1249 gmpinc="-I$with_gmp_include $gmpinc"
1251 if test "x$with_gmp_lib" != x; then
1252 gmplibs="-L$with_gmp_lib $gmplibs"
1254 if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then
1255 gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir $gmplibs"
1256 gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc"
1257 extra_mpfr_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
1258 extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
1259 # Do not test the gmp version. Assume that it is sufficient, since
1260 # it is in the source tree, and the library has not been built yet
1261 # but it would be included on the link line in the version check below
1262 # hence making the test fail.
1266 if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then
1268 saved_CFLAGS="$CFLAGS"
1269 CFLAGS="$CFLAGS $gmpinc"
1270 # Check for the recommended and required versions of GMP.
1271 AC_MSG_CHECKING([for the correct version of gmp.h])
1272 AC_TRY_COMPILE([#include "gmp.h"],[
1273 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1274 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1275 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,0)
1278 ], [AC_TRY_COMPILE([#include <gmp.h>],[
1279 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1280 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1281 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,3,2)
1284 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1285 [AC_MSG_RESULT([no]); have_gmp=no])
1287 # If we have GMP, check the MPFR version.
1288 if test x"$have_gmp" = xyes; then
1289 # Check for the recommended and required versions of MPFR.
1290 AC_MSG_CHECKING([for the correct version of mpfr.h])
1291 AC_TRY_COMPILE([#include <gmp.h>
1292 #include <mpfr.h>],[
1293 #if MPFR_VERSION < MPFR_VERSION_NUM(2,3,1)
1296 ], [AC_TRY_COMPILE([#include <gmp.h>
1297 #include <mpfr.h>],[
1298 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,2)
1301 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1302 [AC_MSG_RESULT([no]); have_gmp=no])
1305 # Check for the MPC header version.
1306 if test x"$have_gmp" = xyes ; then
1307 # Check for the recommended and required versions of MPC.
1308 AC_MSG_CHECKING([for the correct version of mpc.h])
1309 AC_TRY_COMPILE([#include <mpc.h>],[
1310 #if MPC_VERSION < MPC_VERSION_NUM(0,8,0)
1313 ], [AC_TRY_COMPILE([#include <mpc.h>],[
1314 #if MPC_VERSION < MPC_VERSION_NUM(0,8,1)
1317 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1318 [AC_MSG_RESULT([no]); have_gmp=no])
1321 # Now check the MPFR library.
1322 if test x"$have_gmp" = xyes; then
1324 LIBS="$LIBS $gmplibs"
1325 AC_MSG_CHECKING([for the correct version of the gmp/mpfr/mpc libraries])
1326 AC_TRY_LINK([#include <mpc.h>],[
1333 mpfr_atan2 (n, n, x, GMP_RNDN);
1334 mpfr_erfc (n, x, GMP_RNDN);
1335 mpfr_subnormalize (x, t, GMP_RNDN);
1339 mpc_set_ui_ui (c, 1, 1, MPC_RNDNN);
1340 mpc_cosh (c, c, MPC_RNDNN);
1341 mpc_pow (c, c, c, MPC_RNDNN);
1342 mpc_acosh (c, c, MPC_RNDNN);
1344 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1348 CFLAGS="$saved_CFLAGS"
1350 # The library versions listed in the error message below should match
1351 # the HARD-minimums enforced above.
1352 if test x$have_gmp != xyes; then
1353 AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 2.3.1+ and MPC 0.8.0+.
1354 Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify
1355 their locations. Source code for these libraries can be found at
1356 their respective hosting sites as well as at
1357 ftp://gcc.gnu.org/pub/gcc/infrastructure/. See also
1358 http://gcc.gnu.org/install/prerequisites.html for additional info. If
1359 you obtained GMP, MPFR and/or MPC from a vendor distribution package,
1360 make sure that you have installed both the libraries and the header
1361 files. They may be located in separate packages.])
1365 # Flags needed for both GMP, MPFR and/or MPC.
1368 AC_SUBST(extra_mpfr_configure_flags)
1369 AC_SUBST(extra_mpc_gmp_configure_flags)
1370 AC_SUBST(extra_mpc_mpfr_configure_flags)
1372 # Allow host libstdc++ to be specified for static linking with PPL.
1373 AC_ARG_WITH(host-libstdcxx,
1374 [AS_HELP_STRING([--with-host-libstdcxx=L],
1375 [use linker arguments L to link with libstdc++
1376 when linking with PPL])])
1378 case $with_host_libstdcxx in
1380 AC_MSG_ERROR([-with-host-libstdcxx needs an argument])
1384 # Linker flags to use for stage1 or when not boostrapping.
1385 AC_ARG_WITH(stage1-ldflags,
1386 [AS_HELP_STRING([--with-stage1-ldflags=FLAGS], [linker flags for stage1])],
1387 [if test "$withval" = "no" -o "$withval" = "yes"; then
1390 stage1_ldflags=$withval
1393 AC_SUBST(stage1_ldflags)
1395 # Libraries to use for stage1 or when not bootstrapping.
1396 AC_ARG_WITH(stage1-libs,
1397 [AS_HELP_STRING([--with-stage1-libs=LIBS], [libraries for stage1])],
1398 [if test "$withval" = "no" -o "$withval" = "yes"; then
1401 stage1_libs=$withval
1403 [stage1_libs=$with_host_libstdcxx])
1404 AC_SUBST(stage1_libs)
1406 # Libraries to use for stage2 and later builds. This defaults to the
1407 # argument passed to --with-host-libstdcxx.
1408 AC_ARG_WITH(boot-libs,
1409 [AS_HELP_STRING([--with-boot-libs=LIBS], [libraries for stage2 and later])],
1410 [if test "$withval" = "no" -o "$withval" = "yes"; then
1413 poststage1_libs=$withval
1415 [poststage1_libs=$with_host_libstdcxx])
1416 AC_SUBST(poststage1_libs)
1418 # Linker flags to use for stage2 and later builds.
1419 AC_ARG_WITH(boot-ldflags,
1420 [AS_HELP_STRING([--with-boot-ldflags=FLAGS],
1421 [linker flags for stage2 and later])],
1422 [if test "$withval" = "no" -o "$withval" = "yes"; then
1425 poststage1_ldflags=$withval
1427 [poststage1_ldflags=
1428 # In stages 2 and 3, default to linking libstdc++ and libgcc
1429 # statically. But if the user explicitly specified the libraries to
1430 # use, trust that they are doing what they want.
1431 if test "$poststage1_libs" = ""; then
1432 poststage1_ldflags="-static-libstdc++ -static-libgcc"
1434 AC_SUBST(poststage1_ldflags)
1442 [AS_HELP_STRING([--with-ppl=PATH],
1443 [specify prefix directory for the installed PPL package.
1444 Equivalent to --with-ppl-include=PATH/include
1445 plus --with-ppl-lib=PATH/lib])])
1446 AC_ARG_WITH(ppl-include,
1447 [AS_HELP_STRING([--with-ppl-include=PATH],
1448 [specify directory for installed PPL include files])])
1449 AC_ARG_WITH(ppl-lib,
1450 [AS_HELP_STRING([--with-ppl-lib=PATH],
1451 [specify directory for the installed PPL library])])
1453 AC_ARG_ENABLE(ppl-version-check,
1454 [AS_HELP_STRING([--disable-ppl-version-check],
1455 [disable check for PPL version])])
1461 ppllibs="-L$with_ppl/lib"
1462 pplinc="-I$with_ppl/include $pplinc"
1463 if test -d "$with_ppl/lib" && test -d "$with_ppl/include"; then
1466 AC_MSG_ERROR([cannot find directories "$with_ppl/lib" or "$with_ppl/include"])
1471 if test x"$with_ppl_include" != x; then
1472 pplinc="-I$with_ppl_include $pplinc"
1476 if test "x$with_ppl_lib" != x; then
1477 ppllibs="-L$with_ppl_lib"
1481 if test x"$with_ppl$with_ppl_include$with_ppl_lib" = x && test -d ${srcdir}/ppl; then
1482 if test x"$enable_watchdog" = xyes; then
1485 ppllibs='-L$$r/$(HOST_SUBDIR)/ppl/interfaces/C/'"$lt_cv_objdir"' -L$$r/$(HOST_SUBDIR)/ppl/src/'"$lt_cv_objdir"
1486 pplinc='-I$$r/$(HOST_SUBDIR)/ppl/src -I$$r/$(HOST_SUBDIR)/ppl/interfaces/C '
1487 enable_ppl_version_check=no
1491 if test "x$with_ppl" != xno; then
1492 if test "x$pwllib" = x; then
1494 LIBS="$LIBS $ppllibs -lstdc++ -lm"
1495 AC_CHECK_LIB(pwl, PWL_handle_timeout, [pwllib="-lpwl"])
1499 ppllibs="$ppllibs -lppl_c -lppl $pwllib -lgmpxx"
1501 if test "$enable_ppl_version_check" != no; then
1502 saved_CFLAGS="$CFLAGS"
1503 CFLAGS="$CFLAGS $pplinc $gmpinc"
1504 AC_MSG_CHECKING([for version 0.11 (revision 0 or later) of PPL])
1505 AC_TRY_COMPILE([#include "ppl_c.h"],[
1506 #if PPL_VERSION_MAJOR != 0 || PPL_VERSION_MINOR < 11
1509 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); ppllibs= ; pplinc= ; with_ppl=no ])
1510 CFLAGS="$saved_CFLAGS"
1514 # Flags needed for PPL
1521 dnl Provide configure switches and initialize clooginc & clooglibs
1522 dnl with user input.
1524 if test "x$with_ppl" = "xno"; then
1525 dnl Only execute fail-action, if CLooG has been requested.
1526 CLOOG_REQUESTED([graphite_requested=yes], [graphite_requested=no])
1527 if test "${graphite_requested}" = yes; then
1528 AC_MSG_ERROR([Unable to find a usable PPL. See config.log for details.])
1532 if test "x${with_cloog}" = x && test "x${with_cloog_include}" = x \
1533 && test "x${with_cloog_lib}" = x && test -d ${srcdir}/cloog; then
1534 clooglibs='-L$$r/$(HOST_SUBDIR)/cloog/'"$lt_cv_objdir"' '
1535 clooginc='-I$$r/$(HOST_SUBDIR)/cloog/include -I$$s/cloog/include '
1537 if test "x$with_cloog" != "xno"; then
1538 dnl The minimal version of CLooG required for Graphite.
1540 dnl If we use CLooG-Legacy, the provided version information is
1542 CLOOG_CHECK_VERSION(0,16,1)
1544 dnl Only execute fail-action, if CLooG has been requested.
1546 AC_MSG_ERROR([Unable to find a usable CLooG. See config.log for details.])])
1549 # Check for LTO support.
1551 [AS_HELP_STRING([--enable-lto], [enable link time optimization support])],
1552 enable_lto=$enableval,
1553 enable_lto=yes; default_enable_lto=yes)
1555 ACX_ELF_TARGET_IFELSE([# ELF platforms build the lto-plugin always.
1556 build_lto_plugin=yes
1557 ],[if test x"$default_enable_lto" = x"yes" ; then
1559 *-apple-darwin9* | *-cygwin* | *-mingw*) ;;
1560 # On other non-ELF platforms, LTO has yet to be validated.
1564 # Apart from ELF platforms, only Windows and Darwin support LTO so far.
1565 # It would also be nice to check the binutils support, but we don't
1566 # have gcc_GAS_CHECK_FEATURE available here. For now, we'll just
1567 # warn during gcc/ subconfigure; unless you're bootstrapping with
1568 # -flto it won't be needed until after installation anyway.
1570 *-cygwin* | *-mingw* | *-apple-darwin*) ;;
1571 *) if test x"$enable_lto" = x"yes"; then
1572 AC_MSG_ERROR([LTO support is not enabled for this target.])
1577 # Among non-ELF, only Windows platforms support the lto-plugin so far.
1578 # Build it unless LTO was explicitly disabled.
1580 *-cygwin* | *-mingw*) build_lto_plugin=$enable_lto ;;
1586 # By default, C is the only stage 1 language.
1587 stage1_languages=,c,
1589 # Target libraries that we bootstrap.
1590 bootstrap_target_libs=,target-libgcc,
1592 # Figure out what language subdirectories are present.
1593 # Look if the user specified --enable-languages="..."; if not, use
1594 # the environment variable $LANGUAGES if defined. $LANGUAGES might
1596 # NB: embedded tabs in this IF block -- do not untabify
1597 if test -d ${srcdir}/gcc; then
1598 if test x"${enable_languages+set}" != xset; then
1599 if test x"${LANGUAGES+set}" = xset; then
1600 enable_languages="${LANGUAGES}"
1601 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1603 enable_languages=all
1606 if test x"${enable_languages}" = x ||
1607 test x"${enable_languages}" = xyes;
1609 echo configure.in: --enable-languages needs at least one language argument 1>&2
1613 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1615 # 'f95' is the old name for the 'fortran' language. We issue a warning
1616 # and make the substitution.
1617 case ,${enable_languages}, in
1619 echo configure.in: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2
1620 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'`
1624 # First scan to see if an enabled language requires some other language.
1625 # We assume that a given config-lang.in will list all the language
1626 # front ends it requires, even if some are required indirectly.
1627 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1628 case ${lang_frag} in
1630 # The odd quoting in the next line works around
1631 # an apparent bug in bash 1.12 on linux.
1632 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1634 # From the config-lang.in, get $language, $lang_requires, and
1635 # $lang_requires_boot_languages.
1638 lang_requires_boot_languages=
1640 for other in ${lang_requires} ${lang_requires_boot_languages}; do
1641 case ,${enable_languages}, in
1645 echo " \`$other' language required by \`$language'; enabling" 1>&2
1646 enable_languages="${enable_languages},${other}"
1650 for other in ${lang_requires_boot_languages} ; do
1651 if test "$other" != "c"; then
1652 case ,${enable_stage1_languages}, in
1656 case ,${enable_languages}, in
1658 echo " '$other' language required by '$language' in stage 1; enabling" 1>&2
1659 enable_stage1_languages="$enable_stage1_languages,${other}"
1670 new_enable_languages=,c,
1672 # If LTO is enabled, add the LTO front end.
1673 extra_host_libiberty_configure_flags=
1674 if test "$enable_lto" = "yes" ; then
1675 case ,${enable_languages}, in
1677 *) enable_languages="${enable_languages},lto" ;;
1679 if test "${build_lto_plugin}" = "yes" ; then
1680 configdirs="$configdirs lto-plugin"
1681 extra_host_libiberty_configure_flags=--enable-shared
1684 AC_SUBST(extra_host_libiberty_configure_flags)
1686 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
1687 potential_languages=,c,
1689 enabled_target_libs=
1690 disabled_target_libs=
1692 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1693 case ${lang_frag} in
1695 # The odd quoting in the next line works around
1696 # an apparent bug in bash 1.12 on linux.
1697 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1699 # From the config-lang.in, get $language, $target_libs,
1700 # $lang_dirs, $boot_language, and $build_by_default
1706 build_by_default=yes
1708 if test x${language} = x; then
1709 echo "${lang_frag} doesn't set \$language." 1>&2
1713 if test "$language" = "c++" \
1714 && test "$ENABLE_BUILD_WITH_CXX" = "yes"; then
1718 case ,${enable_languages}, in
1720 # Language was explicitly selected; include it.
1724 # 'all' was selected, select it if it is a default language
1725 add_this_lang=${build_by_default}
1732 # Disable languages that need other directories if these aren't available.
1733 for i in $subdir_requires; do
1734 test -f "$srcdir/gcc/$i/config-lang.in" && continue
1735 case ,${enable_languages}, in
1737 # Specifically requested language; tell them.
1738 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing])
1742 add_this_lang=unsupported
1747 # Disable Ada if no preexisting GNAT is available.
1748 case ,${enable_languages},:${language}:${have_gnat} in
1749 *,${language},*:ada:no)
1750 # Specifically requested language; tell them.
1751 AC_MSG_ERROR([GNAT is required to build $language])
1755 add_this_lang=unsupported
1759 # Disable a language that is unsupported by the target.
1760 case " $unsupported_languages " in
1762 add_this_lang=unsupported
1766 case $add_this_lang in
1768 # Remove language-dependent dirs.
1769 disabled_target_libs="$disabled_target_libs $target_libs"
1770 noconfigdirs="$noconfigdirs $lang_dirs"
1773 # Remove language-dependent dirs; still show language as supported.
1774 disabled_target_libs="$disabled_target_libs $target_libs"
1775 noconfigdirs="$noconfigdirs $lang_dirs"
1776 potential_languages="${potential_languages}${language},"
1779 new_enable_languages="${new_enable_languages}${language},"
1780 potential_languages="${potential_languages}${language},"
1781 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
1782 enabled_target_libs="$enabled_target_libs $target_libs"
1783 case "${boot_language}:,$enable_stage1_languages," in
1784 yes:* | *:*,$language,* | *:*,yes, | *:*,all,)
1785 # Add to (comma-separated) list of stage 1 languages.
1786 case ",$stage1_languages," in
1787 *,$language,* | ,yes, | ,all,) ;;
1788 *) stage1_languages="${stage1_languages}${language}," ;;
1790 # We need to bootstrap any supporting libraries.
1791 bootstrap_target_libs="${bootstrap_target_libs}${target_libs},"
1800 # Add target libraries which are only needed for disabled languages
1802 if test -n "$disabled_target_libs"; then
1803 for dir in $disabled_target_libs; do
1804 case " $enabled_target_libs " in
1806 *) noconfigdirs="$noconfigdirs $dir" ;;
1811 AC_ARG_ENABLE(stage1-languages,
1812 [AS_HELP_STRING([[--enable-stage1-languages[=all]]],
1813 [choose additional languages to build during
1814 stage1. Mostly useful for compiler development])],
1815 [case ,${enable_stage1_languages}, in
1817 # Set it to something that will have no effect in the loop below
1818 enable_stage1_languages=c ;;
1820 enable_stage1_languages=`echo $new_enable_languages | \
1821 sed -e "s/^,//" -e "s/,$//" ` ;;
1823 enable_stage1_languages=`echo ,$enable_stage1_languages, | \
1824 sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;;
1827 # Add "good" languages from enable_stage1_languages to stage1_languages,
1828 # while "bad" languages go in missing_languages. Leave no duplicates.
1829 for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do
1830 case $potential_languages in
1832 case $stage1_languages in
1834 *) stage1_languages="$stage1_languages$i," ;;
1837 case $missing_languages in
1839 *) missing_languages="$missing_languages$i," ;;
1844 # Remove leading/trailing commas that were added for simplicity
1845 potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"`
1846 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
1847 stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"`
1848 new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"`
1850 if test "x$missing_languages" != x; then
1852 The following requested languages could not be built: ${missing_languages}
1853 Supported languages are: ${potential_languages}])
1855 if test "x$new_enable_languages" != "x$enable_languages"; then
1856 echo The following languages will be built: ${new_enable_languages}
1857 enable_languages="$new_enable_languages"
1860 AC_SUBST(stage1_languages)
1861 ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" `
1864 # Handle --disable-<component> generically.
1865 for dir in $configdirs $build_configdirs $target_configdirs ; do
1866 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g`
1867 varname=`echo $dirname | sed -e s/+/_/g`
1868 if eval test x\${enable_${varname}} "=" xno ; then
1869 noconfigdirs="$noconfigdirs $dir"
1873 # Check for Boehm's garbage collector
1874 AC_ARG_ENABLE(objc-gc,
1875 [AS_HELP_STRING([--enable-objc-gc],
1876 [enable use of Boehm's garbage collector with the
1877 GNU Objective-C runtime])],
1878 [case ,${enable_languages},:${enable_objc_gc}:${noconfigdirs} in
1879 *,objc,*:*:yes:*target-boehm-gc*)
1880 AC_MSG_ERROR([Boehm's garbage collector was requested yet not supported in this configuration])
1884 # Make sure we only build Boehm's garbage collector if required.
1885 case ,${enable_languages},:${enable_objc_gc} in
1887 # Keep target-boehm-gc if requested for Objective-C.
1890 # Otherwise remove target-boehm-gc depending on target-libjava.
1891 if echo " ${noconfigdirs} " | grep "target-libjava" >/dev/null 2>&1; then
1892 noconfigdirs="$noconfigdirs target-boehm-gc"
1897 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
1898 # $build_configdirs and $target_configdirs.
1899 # If we have the source for $noconfigdirs entries, add them to $notsupp.
1902 for dir in . $skipdirs $noconfigdirs ; do
1903 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
1904 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1905 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
1906 if test -r $srcdir/$dirname/configure ; then
1907 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1910 notsupp="$notsupp $dir"
1914 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1915 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"`
1916 if test -r $srcdir/$dirname/configure ; then
1917 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1920 notsupp="$notsupp $dir"
1924 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1925 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
1926 if test -r $srcdir/$dirname/configure ; then
1927 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1930 notsupp="$notsupp $dir"
1936 # Quietly strip out all directories which aren't configurable in this tree.
1937 # This relies on all configurable subdirectories being autoconfiscated, which
1939 build_configdirs_all="$build_configdirs"
1941 for i in ${build_configdirs_all} ; do
1942 j=`echo $i | sed -e s/build-//g`
1943 if test -f ${srcdir}/$j/configure ; then
1944 build_configdirs="${build_configdirs} $i"
1948 configdirs_all="$configdirs"
1950 for i in ${configdirs_all} ; do
1951 if test -f ${srcdir}/$i/configure ; then
1952 configdirs="${configdirs} $i"
1956 target_configdirs_all="$target_configdirs"
1958 for i in ${target_configdirs_all} ; do
1959 j=`echo $i | sed -e s/target-//g`
1960 if test -f ${srcdir}/$j/configure ; then
1961 target_configdirs="${target_configdirs} $i"
1965 # Produce a warning message for the subdirs we can't configure.
1966 # This isn't especially interesting in the Cygnus tree, but in the individual
1967 # FSF releases, it's important to let people know when their machine isn't
1968 # supported by the one or two programs in a package.
1970 if test -n "${notsupp}" && test -z "${norecursion}" ; then
1971 # If $appdirs is non-empty, at least one of those directories must still
1972 # be configured, or we error out. (E.g., if the gas release supports a
1973 # specified target in some subdirs but not the gas subdir, we shouldn't
1974 # pretend that all is well.)
1975 if test -n "$appdirs" ; then
1976 for dir in $appdirs ; do
1977 if test -r $dir/Makefile.in ; then
1978 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1982 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
1988 if test -n "$appdirs" ; then
1989 echo "*** This configuration is not supported by this package." 1>&2
1993 # Okay, some application will build, or we don't care to check. Still
1994 # notify of subdirs not getting built.
1995 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
1996 echo " ${notsupp}" 1>&2
1997 echo " (Any other directories should still work fine.)" 1>&2
2005 # To find our prefix, in gcc_cv_tool_prefix.
2010 AC_ARG_WITH([build-sysroot],
2011 [AS_HELP_STRING([--with-build-sysroot=SYSROOT],
2012 [use sysroot as the system root during the build])],
2013 [if test x"$withval" != x ; then
2014 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval"
2016 [SYSROOT_CFLAGS_FOR_TARGET=])
2017 AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET)
2019 AC_ARG_WITH([debug-prefix-map],
2020 [AS_HELP_STRING([--with-debug-prefix-map='A=B C=D ...'],
2021 [map A to B, C to D ... in debug information])],
2022 [if test x"$withval" != x; then
2023 DEBUG_PREFIX_CFLAGS_FOR_TARGET=
2024 for debug_map in $withval; do
2025 DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map"
2028 [DEBUG_PREFIX_CFLAGS_FOR_TARGET=])
2029 AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET)
2031 # During gcc bootstrap, if we use some random cc for stage1 then CFLAGS
2032 # might be empty or "-g". We don't require a C++ compiler, so CXXFLAGS
2033 # might also be empty (or "-g", if a non-GCC C++ compiler is in the path).
2034 # We want to ensure that TARGET libraries (which we know are built with
2035 # gcc) are built with "-O2 -g", so include those options when setting
2036 # CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET.
2037 if test "x$CFLAGS_FOR_TARGET" = x; then
2038 CFLAGS_FOR_TARGET=$CFLAGS
2041 *) CFLAGS_FOR_TARGET="-O2 $CFLAGS" ;;
2044 *" -g "* | *" -g3 "*) ;;
2045 *) CFLAGS_FOR_TARGET="-g $CFLAGS" ;;
2048 AC_SUBST(CFLAGS_FOR_TARGET)
2050 if test "x$CXXFLAGS_FOR_TARGET" = x; then
2051 CXXFLAGS_FOR_TARGET=$CXXFLAGS
2052 case " $CXXFLAGS " in
2054 *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS" ;;
2056 case " $CXXFLAGS " in
2057 *" -g "* | *" -g3 "*) ;;
2058 *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS" ;;
2061 AC_SUBST(CXXFLAGS_FOR_TARGET)
2063 AC_SUBST(LDFLAGS_FOR_TARGET)
2065 # Handle --with-headers=XXX. If the value is not "yes", the contents of
2066 # the named directory are copied to $(tooldir)/sys-include.
2067 if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
2068 if test x${is_cross_compiler} = xno ; then
2069 echo 1>&2 '***' --with-headers is only supported when cross compiling
2072 if test x"${with_headers}" != xyes ; then
2073 x=${gcc_cv_tool_prefix}
2074 copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include"
2078 # Handle --with-libs=XXX. If the value is not "yes", the contents of
2079 # the name directories are copied to $(tooldir)/lib. Multiple directories
2081 if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
2082 if test x${is_cross_compiler} = xno ; then
2083 echo 1>&2 '***' --with-libs is only supported when cross compiling
2086 if test x"${with_libs}" != xyes ; then
2087 # Copy the libraries in reverse order, so that files in the first named
2088 # library override files in subsequent libraries.
2089 x=${gcc_cv_tool_prefix}
2090 for l in ${with_libs}; do
2091 copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}"
2096 # Set with_gnu_as, with_gnu_ld, and with_system_zlib as appropriate.
2098 # This is done by determining whether or not the appropriate directory
2099 # is available, and by checking whether or not specific configurations
2100 # have requested that this magic not happen.
2102 # The command line options always override the explicit settings in
2103 # configure.in, and the settings in configure.in override this magic.
2105 # If the default for a toolchain is to use GNU as and ld, and you don't
2106 # want to do that, then you should use the --without-gnu-as and
2107 # --without-gnu-ld options for the configure script. Similarly, if
2108 # the default is to use the included zlib and you don't want to do that,
2109 # you should use the --with-system-zlib option for the configure script.
2111 if test x${use_gnu_as} = x &&
2112 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
2114 extra_host_args="$extra_host_args --with-gnu-as"
2117 if test x${use_gnu_ld} = x &&
2118 echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then
2120 extra_host_args="$extra_host_args --with-gnu-ld"
2123 if test x${use_included_zlib} = x &&
2124 echo " ${configdirs} " | grep " zlib " > /dev/null 2>&1 ; then
2127 with_system_zlib=yes
2128 extra_host_args="$extra_host_args --with-system-zlib"
2131 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
2132 # can detect this case.
2134 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
2136 extra_host_args="$extra_host_args --with-newlib"
2139 # Handle ${copy_dirs}
2140 set fnord ${copy_dirs}
2142 while test $# != 0 ; do
2143 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
2146 echo Copying $1 to $2
2148 # Use the install script to create the directory and all required
2149 # parent directories.
2150 if test -d $2 ; then
2154 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
2157 # Copy the directory, assuming we have tar.
2158 # FIXME: Should we use B in the second tar? Not all systems support it.
2159 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
2161 # It is the responsibility of the user to correctly adjust all
2162 # symlinks. If somebody can figure out how to handle them correctly
2163 # here, feel free to add the code.
2170 # Determine a target-dependent exec_prefix that the installed
2171 # gcc will search in. Keep this list sorted by triplet, with
2172 # the *-*-osname triplets last.
2175 i[[34567]]86-pc-msdosdjgpp*)
2176 md_exec_prefix=/dev/env/DJDIR/bin
2181 md_exec_prefix=/usr/ccs/bin
2185 extra_arflags_for_target=
2186 extra_nmflags_for_target=
2187 extra_ranlibflags_for_target=
2188 target_makefile_frag=/dev/null
2191 target_makefile_frag="config/mt-spu"
2194 target_makefile_frag="config/mt-sde"
2196 mipsisa*-*-elfoabi*)
2197 target_makefile_frag="config/mt-mips-elfoabi"
2199 mips*-*-*linux* | mips*-*-gnu*)
2200 target_makefile_frag="config/mt-mips-gnu"
2202 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
2203 target_makefile_frag="config/mt-gnu"
2205 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
2206 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
2207 # commands to handle both 32-bit and 64-bit objects. These flags are
2208 # harmless if we're using GNU nm or ar.
2209 extra_arflags_for_target=" -X32_64"
2210 extra_nmflags_for_target=" -B -X32_64"
2213 # ranlib before Darwin10 requires the -c flag to look at common symbols.
2214 extra_ranlibflags_for_target=" -c"
2218 alphaieee_frag=/dev/null
2221 # This just makes sure to use the -mieee option to build target libs.
2222 # This should probably be set individually by each library.
2223 alphaieee_frag="config/mt-alphaieee"
2227 # If --enable-target-optspace always use -Os instead of -O2 to build
2228 # the target libraries, similarly if it is not specified, use -Os
2229 # on selected platforms.
2230 ospace_frag=/dev/null
2231 case "${enable_target_optspace}:${target}" in
2233 ospace_frag="config/mt-ospace"
2236 ospace_frag="config/mt-d30v"
2238 :m32r-* | :d10v-* | :fr30-*)
2239 ospace_frag="config/mt-ospace"
2244 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
2248 # Default to using --with-stabs for certain targets.
2249 if test x${with_stabs} = x ; then
2251 mips*-*-irix[[56]]*)
2253 mips*-*-* | alpha*-*-osf*)
2255 extra_host_args="${extra_host_args} --with-stabs"
2260 # Some systems (e.g., one of the i386-aix systems the gas testers are
2261 # using) don't handle "\$" correctly, so don't use it here.
2262 tooldir='${exec_prefix}'/${target_noncanonical}
2263 build_tooldir=${tooldir}
2265 # Create a .gdbinit file which runs the one in srcdir
2266 # and tells GDB to look there for source files.
2268 if test -r ${srcdir}/.gdbinit ; then
2271 *) cat > ./.gdbinit <<EOF
2275 source ${srcdir}/.gdbinit
2281 # Make sure that the compiler is able to generate an executable. If it
2282 # can't, we are probably in trouble. We don't care whether we can run the
2283 # executable--we might be using a cross compiler--we only care whether it
2284 # can be created. At this point the main configure script has set CC.
2286 echo "int main () { return 0; }" > conftest.c
2287 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
2288 if test $? = 0 ; then
2289 if test -s conftest || test -s conftest.exe ; then
2295 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
2296 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
2303 # Decide which environment variable is used to find dynamic libraries.
2305 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
2306 *-*-darwin*) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;;
2307 *-*-mingw* | *-*-cygwin ) RPATH_ENVVAR=PATH ;;
2308 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
2311 # On systems where the dynamic library environment variable is PATH,
2312 # gcc/ will put dynamic libraries into a subdirectory to avoid adding
2313 # built executables to PATH.
2314 if test "$RPATH_ENVVAR" = PATH; then
2315 GCC_SHLIB_SUBDIR=/shlib
2320 # Record target_configdirs and the configure arguments for target and
2321 # build configuration in Makefile.
2322 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
2323 build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
2325 # If we are building libgomp, bootstrap it.
2326 if echo " ${target_configdirs} " | grep " libgomp " > /dev/null 2>&1 ; then
2327 bootstrap_target_libs=${bootstrap_target_libs}target-libgomp,
2330 # Determine whether gdb needs tk/tcl or not.
2331 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
2332 # and in that case we want gdb to be built without tk. Ugh!
2333 # In fact I believe gdb is the *only* package directly dependent on tk,
2334 # so we should be able to put the 'maybe's in unconditionally and
2335 # leave out the maybe dependencies when enable_gdbtk is false. I'm not
2336 # 100% sure that that's safe though.
2338 gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
2339 case "$enable_gdbtk" in
2343 GDB_TK="${gdb_tk}" ;;
2345 # Only add the dependency on gdbtk when GDBtk is part of the gdb
2346 # distro. Eventually someone will fix this and move Insight, nee
2347 # gdbtk to a separate directory.
2348 if test -d ${srcdir}/gdb/gdbtk ; then
2355 CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g`
2356 INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g`
2358 # Strip out unwanted targets.
2360 # While at that, we remove Makefiles if we were started for recursive
2361 # configuration, so that the top-level Makefile reconfigures them,
2362 # like we used to do when configure itself was recursive.
2364 # Loop over modules. We used to use the "$extrasub" feature from Autoconf
2365 # but now we're fixing up the Makefile ourselves with the additional
2366 # commands passed to AC_CONFIG_FILES. Use separate variables
2367 # extrasub-{build,host,target} not because there is any reason to split
2368 # the substitutions up that way, but only to remain below the limit of
2369 # 99 commands in a script, for HP-UX sed.
2370 # Do not nest @if/@endif pairs, because configure will not warn you at all.
2372 AC_ARG_ENABLE([bootstrap],
2373 [AS_HELP_STRING([--enable-bootstrap],
2374 [enable bootstrapping @<:@yes if native build@:>@])],,
2375 enable_bootstrap=default)
2377 # Issue errors and warnings for invalid/strange bootstrap combinations.
2378 case "$configdirs" in
2379 *gcc*) have_compiler=yes ;;
2380 *) have_compiler=no ;;
2383 case "$have_compiler:$host:$target:$enable_bootstrap" in
2386 # Default behavior. Enable bootstrap if we have a compiler
2387 # and we are in a native configuration.
2388 yes:$build:$build:default)
2389 enable_bootstrap=yes ;;
2392 enable_bootstrap=no ;;
2394 # We have a compiler and we are in a native configuration, bootstrap is ok
2395 yes:$build:$build:yes)
2398 # Other configurations, but we have a compiler. Assume the user knows
2401 AC_MSG_WARN([trying to bootstrap a cross compiler])
2404 # No compiler: if they passed --enable-bootstrap explicitly, fail
2406 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
2408 # Fail if wrong command line
2410 AC_MSG_ERROR([invalid option for --enable-bootstrap])
2414 case ",$enable_languages,:$ENABLE_BUILD_WITH_CXX:$enable_bootstrap" in
2417 AC_MSG_ERROR([bootstrapping with --enable-build-with-cxx requires c++ in --enable-languages])
2421 case "$enable_bootstrap:$ENABLE_GOLD: $configdirs :,$stage1_languages," in
2422 yes:yes:*\ gold\ *:*,c++,*) ;;
2423 yes:yes:*\ gold\ *:*)
2424 AC_MSG_ERROR([in a combined tree, bootstrapping with --enable-gold requires c++ in stage1_languages])
2428 # Adjust the toplevel makefile according to whether bootstrap was selected.
2429 case $enable_bootstrap in
2431 bootstrap_suffix=bootstrap
2432 BUILD_CONFIG=bootstrap-debug
2435 bootstrap_suffix=no-bootstrap
2440 AC_MSG_CHECKING(for default BUILD_CONFIG)
2442 AC_ARG_WITH([build-config],
2443 [AS_HELP_STRING([--with-build-config='NAME NAME2...'],
2444 [use config/NAME.mk build configuration])],
2445 [case $with_build_config in
2446 yes) with_build_config= ;;
2447 no) with_build_config= BUILD_CONFIG= ;;
2450 if test "x${with_build_config}" != x; then
2451 BUILD_CONFIG=$with_build_config
2453 case $BUILD_CONFIG in
2455 if echo "int f (void) { return 0; }" > conftest.c &&
2456 ${CC} -c conftest.c &&
2457 mv conftest.o conftest.o.g0 &&
2458 ${CC} -c -g conftest.c &&
2459 mv conftest.o conftest.o.g &&
2460 ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g > /dev/null 2>&1; then
2465 rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g
2469 AC_MSG_RESULT($BUILD_CONFIG)
2470 AC_SUBST(BUILD_CONFIG)
2473 for module in ${build_configdirs} ; do
2474 if test -z "${no_recursion}" \
2475 && test -f ${build_subdir}/${module}/Makefile; then
2476 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
2477 rm -f ${build_subdir}/${module}/Makefile
2479 extrasub_build="$extrasub_build
2480 /^@if build-$module\$/d
2481 /^@endif build-$module\$/d
2482 /^@if build-$module-$bootstrap_suffix\$/d
2483 /^@endif build-$module-$bootstrap_suffix\$/d"
2486 for module in ${configdirs} ; do
2487 if test -z "${no_recursion}"; then
2488 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do
2489 if test -f ${file}; then
2490 echo 1>&2 "*** removing ${file} to force reconfigure"
2495 extrasub_host="$extrasub_host
2497 /^@endif $module\$/d
2498 /^@if $module-$bootstrap_suffix\$/d
2499 /^@endif $module-$bootstrap_suffix\$/d"
2502 for module in ${target_configdirs} ; do
2503 if test -z "${no_recursion}" \
2504 && test -f ${target_subdir}/${module}/Makefile; then
2505 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
2506 rm -f ${target_subdir}/${module}/Makefile
2509 # We only bootstrap target libraries listed in bootstrap_target_libs.
2510 case $bootstrap_target_libs in
2511 *,target-$module,*) target_bootstrap_suffix=$bootstrap_suffix ;;
2512 *) target_bootstrap_suffix=no-bootstrap ;;
2515 extrasub_target="$extrasub_target
2516 /^@if target-$module\$/d
2517 /^@endif target-$module\$/d
2518 /^@if target-$module-$target_bootstrap_suffix\$/d
2519 /^@endif target-$module-$target_bootstrap_suffix\$/d"
2522 # Do the final fixup along with target modules.
2523 extrasub_target="$extrasub_target
2524 /^@if /,/^@endif /d"
2526 # Create the serialization dependencies. This uses a temporary file.
2528 AC_ARG_ENABLE([serial-configure],
2529 [AS_HELP_STRING([[--enable-serial-[{host,target,build}-]configure]],
2530 [force sequential configuration of
2531 sub-packages for the host, target or build
2532 machine, or all sub-packages])])
2534 case ${enable_serial_configure} in
2536 enable_serial_build_configure=yes
2537 enable_serial_host_configure=yes
2538 enable_serial_target_configure=yes
2542 # These force 'configure's to be done one at a time, to avoid problems
2543 # with contention over a shared config.cache.
2545 echo '# serdep.tmp' > serdep.tmp
2547 test "x${enable_serial_build_configure}" = xyes &&
2548 for item in ${build_configdirs} ; do
2551 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
2556 test "x${enable_serial_host_configure}" = xyes &&
2557 for item in ${configdirs} ; do
2560 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
2565 test "x${enable_serial_target_configure}" = xyes &&
2566 for item in ${target_configdirs} ; do
2569 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
2573 serialization_dependencies=serdep.tmp
2574 AC_SUBST_FILE(serialization_dependencies)
2576 # Base args. Strip norecursion, cache-file, srcdir, host, build,
2577 # target, nonopt, and variable assignments. These are the ones we
2578 # might not want to pass down to subconfigures. The exception being
2579 # --cache-file=/dev/null, which is used to turn off the use of cache
2580 # files altogether, and which should be passed on to subconfigures.
2581 # Also strip program-prefix, program-suffix, and program-transform-name,
2582 # so that we can pass down a consistent program-transform-name.
2587 eval "set -- $ac_configure_args"
2590 if test X"$skip_next" = X"yes"; then
2594 if test X"$keep_next" = X"yes"; then
2597 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2599 baseargs="$baseargs '$ac_arg'"
2600 tbaseargs="$tbaseargs '$ac_arg'"
2605 # Handle separated arguments. Based on the logic generated by
2608 *=* | --config-cache | -C | -disable-* | --disable-* \
2609 | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \
2610 | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \
2611 | -with-* | --with-* | -without-* | --without-* | --x)
2625 --with-* | --without-*)
2626 libopt=`echo "$ac_arg" | sed -e 's,^--[^-_]*[-_],,' -e 's,=.*$,,'`
2630 lib=`echo "$libopt" | sed 's,[-_]include$,,'`
2633 lib=`echo "$libopt" | sed 's,[-_]lib$,,'`
2642 mpc | mpfr | gmp | ppl | cloog)
2643 # If we're processing --with-$lib, --with-$lib-include or
2644 # --with-$lib-lib, for one of the libs above, and target is
2645 # different from host, don't pass the current argument to any
2646 # target library's configure.
2647 if test x$is_cross_compiler = xyes; then
2656 --cache-file=/dev/null | \
2657 -cache-file=/dev/null )
2658 # Handled here to avoid the test to skip args below.
2659 baseargs="$baseargs '$ac_arg'"
2660 tbaseargs="$tbaseargs '$ac_arg'"
2661 # Assert: $separate_arg should always be no.
2662 keep_next=$separate_arg
2678 -program-prefix* | \
2679 -program-suffix* | \
2680 -program-transform-name* )
2681 skip_next=$separate_arg
2685 # An option. Add it.
2688 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2690 baseargs="$baseargs '$ac_arg'"
2691 if test X"$skip_targ" = Xno; then
2692 tbaseargs="$tbaseargs '$ac_arg'"
2694 keep_next=$separate_arg
2697 # Either a variable assignment, or a nonopt (triplet). Don't
2698 # pass it down; let the Makefile handle this.
2703 # Remove the initial space we just introduced and, as these will be
2704 # expanded by make, quote '$'.
2705 baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
2707 # Add in --program-transform-name, after --program-prefix and
2708 # --program-suffix have been applied to it. Autoconf has already
2709 # doubled dollar signs and backslashes in program_transform_name; we want
2710 # the backslashes un-doubled, and then the entire thing wrapped in single
2711 # quotes, because this will be expanded first by make and then by the shell.
2712 # Also, because we want to override the logic in subdir configure scripts to
2713 # choose program_transform_name, replace any s,x,x, with s,y,y,.
2714 sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
2715 ${program_transform_name}
2717 gcc_transform_name=`cat conftestsed.out`
2718 rm -f conftestsed.out
2719 baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
2720 tbaseargs="$tbaseargs --program-transform-name='${gcc_transform_name}'"
2721 if test "$silent" = yes; then
2722 baseargs="$baseargs --silent"
2723 tbaseargs="$tbaseargs --silent"
2725 baseargs="$baseargs --disable-option-checking"
2726 tbaseargs="$tbaseargs --disable-option-checking"
2728 # Record and document user additions to sub configure arguments.
2729 AC_ARG_VAR([build_configargs],
2730 [additional configure arguments for build directories])
2731 AC_ARG_VAR([host_configargs],
2732 [additional configure arguments for host directories])
2733 AC_ARG_VAR([target_configargs],
2734 [additional configure arguments for target directories])
2736 # For the build-side libraries, we just need to pretend we're native,
2737 # and not use the same cache file. Multilibs are neither needed nor
2739 build_configargs="$build_configargs --cache-file=../config.cache ${baseargs}"
2741 # For host modules, accept cache file option, or specification as blank.
2742 case "${cache_file}" in
2744 cache_file_option="" ;;
2745 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
2746 cache_file_option="--cache-file=${cache_file}" ;;
2748 cache_file_option="--cache-file=../${cache_file}" ;;
2751 # Host dirs don't like to share a cache file either, horribly enough.
2752 # This seems to be due to autoconf 2.5x stupidity.
2753 host_configargs="$host_configargs --cache-file=./config.cache ${extra_host_args} ${baseargs}"
2755 target_configargs="$target_configargs ${tbaseargs}"
2757 # Passing a --with-cross-host argument lets the target libraries know
2758 # whether they are being built with a cross-compiler or being built
2759 # native. However, it would be better to use other mechanisms to make the
2760 # sorts of decisions they want to make on this basis. Please consider
2761 # this option to be deprecated. FIXME.
2762 if test x${is_cross_compiler} = xyes ; then
2763 target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}"
2766 # Default to --enable-multilib.
2767 if test x${enable_multilib} = x ; then
2768 target_configargs="--enable-multilib ${target_configargs}"
2771 # Pass --with-newlib if appropriate. Note that target_configdirs has
2772 # changed from the earlier setting of with_newlib.
2773 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
2774 target_configargs="--with-newlib ${target_configargs}"
2777 # Different target subdirs use different values of certain variables
2778 # (notably CXX). Worse, multilibs use *lots* of different values.
2779 # Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
2780 # it doesn't automatically accept command-line overrides of them.
2781 # This means it's not safe for target subdirs to share a cache file,
2782 # which is disgusting, but there you have it. Hopefully this can be
2783 # fixed in future. It's still worthwhile to use a cache file for each
2784 # directory. I think.
2786 # Pass the appropriate --build, --host, --target and --cache-file arguments.
2787 # We need to pass --target, as newer autoconf's requires consistency
2788 # for target_alias and gcc doesn't manage it consistently.
2789 target_configargs="--cache-file=./config.cache ${target_configargs}"
2792 case " $target_configdirs " in
2794 case " $target_configargs " in
2795 *" --with-newlib "*)
2798 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 $$s/winsup/w32api/include'
2802 # If we're not building GCC, don't discard standard headers.
2803 if test -d ${srcdir}/gcc; then
2804 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
2806 if test "${build}" != "${host}"; then
2807 # On Canadian crosses, CC_FOR_TARGET will have already been set
2808 # by `configure', so we won't have an opportunity to add -Bgcc/
2809 # to it. This is right: we don't want to search that directory
2810 # for binaries, but we want the header files in there, so add
2812 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include -isystem $$r/$(HOST_SUBDIR)/gcc/include-fixed'
2814 # Someone might think of using the pre-installed headers on
2815 # Canadian crosses, in case the installed compiler is not fully
2816 # compatible with the compiler being built. In this case, it
2817 # would be better to flag an error than risking having
2818 # incompatible object files being constructed. We can't
2819 # guarantee that an error will be flagged, but let's hope the
2820 # compiler will do it, when presented with incompatible header
2825 case "${target}-${is_cross_compiler}" in
2826 i[[3456789]]86-*-linux*-no)
2827 # Here host == target, so we don't need to build gcc,
2828 # so we don't want to discard standard headers.
2829 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
2832 # If we're building newlib, use its generic headers last, but search
2833 # for any libc-related directories first (so make it the last -B
2835 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
2837 # If we're building libgloss, find the startup file, simulator library
2838 # and linker script.
2839 case " $target_configdirs " in
2841 # Look for startup file, simulator library and maybe linker script.
2842 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/'"$libgloss_dir"
2843 # Look for libnosys.a in case the target needs it.
2844 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys'
2845 # Most targets have the linker script in the source directory.
2846 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$s/libgloss/'"$libgloss_dir"
2857 x86_64-*mingw* | *-w64-mingw*)
2858 # MinGW-w64 does not use newlib, nor does it use winsup. It may,
2859 # however, use a symlink named 'mingw' in ${prefix} .
2860 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L${prefix}/${target}/lib -L${prefix}/mingw/lib -isystem ${prefix}/${target}/include -isystem ${prefix}/mingw/include'
2863 # MinGW can't be handled as Cygwin above since it does not use newlib.
2864 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/mingw -L$$r/$(TARGET_SUBDIR)/winsup/w32api/lib -isystem $$s/winsup/mingw/include -isystem $$s/winsup/w32api/include'
2868 # Allow the user to override the flags for
2869 # our build compiler if desired.
2870 if test x"${build}" = x"${host}" ; then
2871 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
2872 CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}}
2873 LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}}
2876 # On Canadian crosses, we'll be searching the right directories for
2877 # the previously-installed cross compiler, so don't bother to add
2878 # flags for directories within the install tree of the compiler
2879 # being built; programs in there won't even run.
2880 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
2881 # Search for pre-installed headers if nothing else fits.
2882 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
2885 if test "x${use_gnu_ld}" = x &&
2886 echo " ${configdirs} " | grep " ld " > /dev/null ; then
2887 # Arrange for us to find uninstalled linker scripts.
2888 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld'
2891 # Search for other target-specific linker scripts and such.
2894 FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary"
2898 # Makefile fragments.
2899 for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
2901 eval fragval=\$$frag
2902 if test $fragval != /dev/null; then
2903 eval $frag=${srcdir}/$fragval
2906 AC_SUBST_FILE(host_makefile_frag)
2907 AC_SUBST_FILE(target_makefile_frag)
2908 AC_SUBST_FILE(alphaieee_frag)
2909 AC_SUBST_FILE(ospace_frag)
2911 # Miscellanea: directories, flags, etc.
2912 AC_SUBST(RPATH_ENVVAR)
2913 AC_SUBST(GCC_SHLIB_SUBDIR)
2915 AC_SUBST(build_tooldir)
2916 AC_SUBST(CONFIGURE_GDB_TK)
2918 AC_SUBST(INSTALL_GDB_TK)
2920 # Build module lists & subconfigure args.
2921 AC_SUBST(build_configargs)
2922 AC_SUBST(build_configdirs)
2924 # Host module lists & subconfigure args.
2925 AC_SUBST(host_configargs)
2926 AC_SUBST(configdirs)
2927 AC_SUBST(target_configdirs)
2929 # Target module lists & subconfigure args.
2930 AC_SUBST(target_configargs)
2934 AC_SUBST(AR_FOR_BUILD)
2935 AC_SUBST(AS_FOR_BUILD)
2936 AC_SUBST(CC_FOR_BUILD)
2937 AC_SUBST(CFLAGS_FOR_BUILD)
2938 AC_SUBST(CXXFLAGS_FOR_BUILD)
2939 AC_SUBST(CXX_FOR_BUILD)
2940 AC_SUBST(DLLTOOL_FOR_BUILD)
2941 AC_SUBST(GCJ_FOR_BUILD)
2942 AC_SUBST(GFORTRAN_FOR_BUILD)
2943 AC_SUBST(GOC_FOR_BUILD)
2944 AC_SUBST(LDFLAGS_FOR_BUILD)
2945 AC_SUBST(LD_FOR_BUILD)
2946 AC_SUBST(NM_FOR_BUILD)
2947 AC_SUBST(RANLIB_FOR_BUILD)
2948 AC_SUBST(WINDMC_FOR_BUILD)
2949 AC_SUBST(WINDRES_FOR_BUILD)
2951 # Generate default definitions for YACC, M4, LEX and other programs that run
2952 # on the build machine. These are used if the Makefile can't locate these
2953 # programs in objdir.
2954 MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
2956 AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
2957 case " $build_configdirs " in
2958 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;;
2961 AC_CHECK_PROGS([BISON], [bison], [$MISSING bison])
2962 case " $build_configdirs " in
2963 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;;
2966 AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4])
2967 case " $build_configdirs " in
2968 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;;
2971 AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex])
2972 case " $build_configdirs " in
2973 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
2974 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;;
2977 AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex])
2978 case " $build_configdirs " in
2979 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
2982 AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo])
2983 case " $build_configdirs " in
2984 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;;
2987 # For an installed makeinfo, we require it to be from texinfo 4.7 or
2988 # higher, else we use the "missing" dummy.
2989 if ${MAKEINFO} --version \
2990 | egrep 'texinfo[^0-9]*(4\.([7-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then
2993 MAKEINFO="$MISSING makeinfo"
2999 # FIXME: expect and dejagnu may become build tools?
3001 AC_CHECK_PROGS(EXPECT, expect, expect)
3002 case " $configdirs " in
3004 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect'
3008 AC_CHECK_PROGS(RUNTEST, runtest, runtest)
3009 case " $configdirs " in
3011 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest'
3017 NCN_STRICT_CHECK_TOOLS(AR, ar)
3018 NCN_STRICT_CHECK_TOOLS(AS, as)
3019 NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool)
3020 NCN_STRICT_CHECK_TOOLS(LD, ld)
3021 NCN_STRICT_CHECK_TOOLS(LIPO, lipo)
3022 NCN_STRICT_CHECK_TOOLS(NM, nm)
3023 NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, true)
3024 NCN_STRICT_CHECK_TOOLS(STRIP, strip, true)
3025 NCN_STRICT_CHECK_TOOLS(WINDRES, windres)
3026 NCN_STRICT_CHECK_TOOLS(WINDMC, windmc)
3027 NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy)
3028 NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump)
3035 AC_ARG_WITH([build-time-tools],
3036 [AS_HELP_STRING([--with-build-time-tools=PATH],
3037 [use given path to find target tools during the build])],
3038 [case x"$withval" in
3041 with_build_time_tools=
3042 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path])
3045 [with_build_time_tools=])
3047 NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc)
3048 NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx)
3049 NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET})
3050 NCN_STRICT_CHECK_TARGET_TOOLS(GCJ_FOR_TARGET, gcj)
3051 NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran)
3052 NCN_STRICT_CHECK_TARGET_TOOLS(GOC_FOR_TARGET, gccgo)
3054 ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar)
3055 ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as)
3056 ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
3057 ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld)
3058 ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo)
3059 ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm)
3060 ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump)
3061 ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib)
3062 ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip)
3063 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
3064 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc)
3066 RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET"
3068 GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar])
3069 GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new])
3070 GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3071 dnl see comments for CXX_FOR_TARGET_FLAG_TO_PASS
3072 GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX,
3073 [gcc/g++ -B$$r/$(HOST_SUBDIR)/gcc/ -nostdinc++ `if test -f $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags; then $(SHELL) $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags --build-includes; else echo -funconfigured-libstdc++-v3 ; fi` -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs],
3075 GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX,
3076 [gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs],
3078 GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool])
3079 GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3080 GCC_TARGET_TOOL(gcj, GCJ_FOR_TARGET, GCJ,
3081 [gcc/gcj -B$$r/$(HOST_SUBDIR)/gcc/], java)
3082 GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN,
3083 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran)
3084 GCC_TARGET_TOOL(gccgo, GOC_FOR_TARGET, GOC,
3085 [gcc/gccgo -B$$r/$(HOST_SUBDIR)/gcc/], go)
3086 GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new])
3087 GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO)
3088 GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new])
3089 GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump])
3090 GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib])
3091 GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip-new])
3092 GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres])
3093 GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc])
3095 AC_SUBST(FLAGS_FOR_TARGET)
3096 AC_SUBST(RAW_CXX_FOR_TARGET)
3098 # Certain tools may need extra flags.
3099 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
3100 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
3101 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
3103 # When building target libraries, except in a Canadian cross, we use
3104 # the same toolchain as the compiler we just built.
3105 COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)'
3106 COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)'
3107 COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)'
3108 if test $host = $build; then
3109 case " $configdirs " in
3111 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as'
3112 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld'
3113 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target}
3118 AC_SUBST(COMPILER_AS_FOR_TARGET)
3119 AC_SUBST(COMPILER_LD_FOR_TARGET)
3120 AC_SUBST(COMPILER_NM_FOR_TARGET)
3122 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
3123 AC_ARG_ENABLE(maintainer-mode,
3124 [AS_HELP_STRING([--enable-maintainer-mode],
3125 [enable make rules and dependencies not useful
3126 (and sometimes confusing) to the casual installer])],
3127 USE_MAINTAINER_MODE=$enableval,
3128 USE_MAINTAINER_MODE=no)
3129 AC_MSG_RESULT($USE_MAINTAINER_MODE)
3130 AC_SUBST(MAINTAINER_MODE_TRUE)
3131 AC_SUBST(MAINTAINER_MODE_FALSE)
3132 if test "$USE_MAINTAINER_MODE" = yes; then
3133 MAINTAINER_MODE_TRUE=
3134 MAINTAINER_MODE_FALSE='#'
3136 MAINTAINER_MODE_TRUE='#'
3137 MAINTAINER_MODE_FALSE=
3139 MAINT=$MAINTAINER_MODE_TRUE
3142 # ---------------------
3143 # GCC bootstrap support
3144 # ---------------------
3146 # Stage specific cflags for build.
3151 yes) stage1_cflags="-g -Wa,-J" ;;
3152 *) stage1_cflags="-g -J" ;;
3156 # This is aimed to mimic bootstrap with a non-GCC compiler to catch problems.
3157 if test "$GCC" = yes -a "$ENABLE_BUILD_WITH_CXX" != yes; then
3158 saved_CFLAGS="$CFLAGS"
3160 # Pass -fkeep-inline-functions for stage 1 if the GCC version supports it.
3161 CFLAGS="$CFLAGS -fkeep-inline-functions"
3162 AC_MSG_CHECKING([whether -fkeep-inline-functions is supported])
3164 #if (__GNUC__ < 3) \
3165 || (__GNUC__ == 3 && (__GNUC_MINOR__ < 3 \
3166 || (__GNUC_MINOR__ == 3 && __GNUC_PATCHLEVEL__ < 1)))
3167 #error http://gcc.gnu.org/PR29382
3170 [AC_MSG_RESULT([yes]); stage1_cflags="$stage1_cflags -fkeep-inline-functions"],
3171 [AC_MSG_RESULT([no])])
3173 CFLAGS="$saved_CFLAGS"
3176 AC_SUBST(stage1_cflags)
3178 # Enable --enable-checking in stage1 of the compiler.
3179 AC_ARG_ENABLE(stage1-checking,
3180 [AS_HELP_STRING([[--enable-stage1-checking[=all]]],
3181 [choose additional checking for stage1 of the compiler])],
3182 [stage1_checking=--enable-checking=${enable_stage1_checking}],
3183 [if test "x$enable_checking" = xno || test "x$enable_checking" = x; then
3184 stage1_checking=--enable-checking=yes,types
3186 stage1_checking=--enable-checking=$enable_checking,types
3188 AC_SUBST(stage1_checking)
3190 # Enable -Werror in bootstrap stage2 and later.
3191 AC_ARG_ENABLE(werror,
3192 [AS_HELP_STRING([--enable-werror],
3193 [enable -Werror in bootstrap stage2 and later])], [],
3194 [if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then
3199 case ${enable_werror} in
3200 yes) stage2_werror_flag="--enable-werror-always" ;;
3201 *) stage2_werror_flag="" ;;
3203 AC_SUBST(stage2_werror_flag)
3205 # Specify what files to not compare during bootstrap.
3207 compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*"
3209 hppa*64*-*-hpux*) ;;
3210 hppa*-*-hpux*) compare_exclusions="gcc/cc*-checksum\$(objext) | */libgcc/lib2funcs* | gcc/ada/*tools/*" ;;
3212 case " $configdirs " in
3213 *" ppl "*) compare_exclusions="$compare_exclusions | ppl/src/ppl-config.o" ;;
3215 AC_SUBST(compare_exclusions)
3217 AC_CONFIG_FILES([Makefile],
3218 [sed "$extrasub_build" Makefile |
3219 sed "$extrasub_host" |
3220 sed "$extrasub_target" > mf$$
3221 mv -f mf$$ Makefile],
3222 [extrasub_build="$extrasub_build"
3223 extrasub_host="$extrasub_host"
3224 extrasub_target="$extrasub_target"])