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 AC_ARG_ENABLE([bootstrap],
1137 [AS_HELP_STRING([--enable-bootstrap],
1138 [enable bootstrapping @<:@yes if native build@:>@])],,
1139 enable_bootstrap=default)
1141 # Issue errors and warnings for invalid/strange bootstrap combinations.
1142 case "$configdirs" in
1143 *gcc*) have_compiler=yes ;;
1144 *) have_compiler=no ;;
1147 case "$have_compiler:$host:$target:$enable_bootstrap" in
1150 # Default behavior. Enable bootstrap if we have a compiler
1151 # and we are in a native configuration.
1152 yes:$build:$build:default)
1153 enable_bootstrap=yes ;;
1156 enable_bootstrap=no ;;
1158 # We have a compiler and we are in a native configuration, bootstrap is ok
1159 yes:$build:$build:yes)
1162 # Other configurations, but we have a compiler. Assume the user knows
1165 AC_MSG_WARN([trying to bootstrap a cross compiler])
1168 # No compiler: if they passed --enable-bootstrap explicitly, fail
1170 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
1172 # Fail if wrong command line
1174 AC_MSG_ERROR([invalid option for --enable-bootstrap])
1178 # See if we are building gcc with C++.
1179 AC_ARG_ENABLE(build-with-cxx,
1180 [AS_HELP_STRING([--enable-build-with-cxx],
1181 [build with C++ compiler instead of C compiler])],
1182 ENABLE_BUILD_WITH_CXX=$enableval,
1183 ENABLE_BUILD_WITH_CXX=no)
1185 # Build stage1 with C and build stages 2 and 3 with C++.
1186 AC_ARG_ENABLE(build-poststage1-with-cxx,
1187 [AS_HELP_STRING([--enable-build-poststage1-with-cxx],
1188 [build stages 2 and 3 with C++, not C])],
1189 ENABLE_BUILD_POSTSTAGE1_WITH_CXX=$enableval,
1190 ENABLE_BUILD_POSTSTAGE1_WITH_CXX=yes)
1192 # Used for setting $lt_cv_objdir
1195 # Check for GMP, MPFR and MPC
1196 gmplibs="-lmpc -lmpfr -lgmp"
1200 # Specify a location for mpc
1201 # check for this first so it ends up on the link line before mpfr.
1203 [AS_HELP_STRING([--with-mpc=PATH],
1204 [specify prefix directory for installed MPC package.
1205 Equivalent to --with-mpc-include=PATH/include
1206 plus --with-mpc-lib=PATH/lib])])
1207 AC_ARG_WITH(mpc-include,
1208 [AS_HELP_STRING([--with-mpc-include=PATH],
1209 [specify directory for installed MPC include files])])
1210 AC_ARG_WITH(mpc-lib,
1211 [AS_HELP_STRING([--with-mpc-lib=PATH],
1212 [specify directory for the installed MPC library])])
1214 if test "x$with_mpc" != x; then
1215 gmplibs="-L$with_mpc/lib $gmplibs"
1216 gmpinc="-I$with_mpc/include $gmpinc"
1218 if test "x$with_mpc_include" != x; then
1219 gmpinc="-I$with_mpc_include $gmpinc"
1221 if test "x$with_mpc_lib" != x; then
1222 gmplibs="-L$with_mpc_lib $gmplibs"
1224 if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then
1225 gmplibs='-L$$r/$(HOST_SUBDIR)/mpc/src/'"$lt_cv_objdir $gmplibs"
1226 gmpinc='-I$$s/mpc/src '"$gmpinc"
1227 # Do not test the mpc version. Assume that it is sufficient, since
1228 # it is in the source tree, and the library has not been built yet
1229 # but it would be included on the link line in the version check below
1230 # hence making the test fail.
1234 # Specify a location for mpfr
1235 # check for this first so it ends up on the link line before gmp.
1236 AC_ARG_WITH(mpfr-dir,
1237 [AS_HELP_STRING([--with-mpfr-dir=PATH], [this option has been REMOVED])],
1238 [AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed.
1239 Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH])])
1242 [AS_HELP_STRING([--with-mpfr=PATH],
1243 [specify prefix directory for installed MPFR package.
1244 Equivalent to --with-mpfr-include=PATH/include
1245 plus --with-mpfr-lib=PATH/lib])])
1246 AC_ARG_WITH(mpfr-include,
1247 [AS_HELP_STRING([--with-mpfr-include=PATH],
1248 [specify directory for installed MPFR include files])])
1249 AC_ARG_WITH(mpfr-lib,
1250 [AS_HELP_STRING([--with-mpfr-lib=PATH],
1251 [specify directory for the installed MPFR library])])
1253 if test "x$with_mpfr" != x; then
1254 gmplibs="-L$with_mpfr/lib $gmplibs"
1255 gmpinc="-I$with_mpfr/include $gmpinc"
1257 if test "x$with_mpfr_include" != x; then
1258 gmpinc="-I$with_mpfr_include $gmpinc"
1260 if test "x$with_mpfr_lib" != x; then
1261 gmplibs="-L$with_mpfr_lib $gmplibs"
1263 if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then
1264 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir $gmplibs"
1265 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr -I$$s/mpfr '"$gmpinc"
1266 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir"
1267 # Do not test the mpfr version. Assume that it is sufficient, since
1268 # it is in the source tree, and the library has not been built yet
1269 # but it would be included on the link line in the version check below
1270 # hence making the test fail.
1274 # Specify a location for gmp
1275 AC_ARG_WITH(gmp-dir,
1276 [AS_HELP_STRING([--with-gmp-dir=PATH], [this option has been REMOVED])],
1277 [AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed.
1278 Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH])])
1281 [AS_HELP_STRING([--with-gmp=PATH],
1282 [specify prefix directory for the installed GMP package.
1283 Equivalent to --with-gmp-include=PATH/include
1284 plus --with-gmp-lib=PATH/lib])])
1285 AC_ARG_WITH(gmp-include,
1286 [AS_HELP_STRING([--with-gmp-include=PATH],
1287 [specify directory for installed GMP include files])])
1288 AC_ARG_WITH(gmp-lib,
1289 [AS_HELP_STRING([--with-gmp-lib=PATH],
1290 [specify directory for the installed GMP library])])
1293 if test "x$with_gmp" != x; then
1294 gmplibs="-L$with_gmp/lib $gmplibs"
1295 gmpinc="-I$with_gmp/include $gmpinc"
1297 if test "x$with_gmp_include" != x; then
1298 gmpinc="-I$with_gmp_include $gmpinc"
1300 if test "x$with_gmp_lib" != x; then
1301 gmplibs="-L$with_gmp_lib $gmplibs"
1303 if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then
1304 gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir $gmplibs"
1305 gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc"
1306 extra_mpfr_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
1307 extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
1308 # Do not test the gmp version. Assume that it is sufficient, since
1309 # it is in the source tree, and the library has not been built yet
1310 # but it would be included on the link line in the version check below
1311 # hence making the test fail.
1315 if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then
1317 saved_CFLAGS="$CFLAGS"
1318 CFLAGS="$CFLAGS $gmpinc"
1319 # Check for the recommended and required versions of GMP.
1320 AC_MSG_CHECKING([for the correct version of gmp.h])
1321 AC_TRY_COMPILE([#include "gmp.h"],[
1322 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1323 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1324 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,0)
1327 ], [AC_TRY_COMPILE([#include <gmp.h>],[
1328 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1329 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1330 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,3,2)
1333 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1334 [AC_MSG_RESULT([no]); have_gmp=no])
1336 # If we have GMP, check the MPFR version.
1337 if test x"$have_gmp" = xyes; then
1338 # Check for the recommended and required versions of MPFR.
1339 AC_MSG_CHECKING([for the correct version of mpfr.h])
1340 AC_TRY_COMPILE([#include <gmp.h>
1341 #include <mpfr.h>],[
1342 #if MPFR_VERSION < MPFR_VERSION_NUM(2,3,1)
1345 ], [AC_TRY_COMPILE([#include <gmp.h>
1346 #include <mpfr.h>],[
1347 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,2)
1350 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1351 [AC_MSG_RESULT([no]); have_gmp=no])
1354 # Check for the MPC header version.
1355 if test x"$have_gmp" = xyes ; then
1356 # Check for the recommended and required versions of MPC.
1357 AC_MSG_CHECKING([for the correct version of mpc.h])
1358 AC_TRY_COMPILE([#include <mpc.h>],[
1359 #if MPC_VERSION < MPC_VERSION_NUM(0,8,0)
1362 ], [AC_TRY_COMPILE([#include <mpc.h>],[
1363 #if MPC_VERSION < MPC_VERSION_NUM(0,8,1)
1366 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1367 [AC_MSG_RESULT([no]); have_gmp=no])
1370 # Now check the MPFR library.
1371 if test x"$have_gmp" = xyes; then
1373 LIBS="$LIBS $gmplibs"
1374 AC_MSG_CHECKING([for the correct version of the gmp/mpfr/mpc libraries])
1375 AC_TRY_LINK([#include <mpc.h>],[
1382 mpfr_atan2 (n, n, x, GMP_RNDN);
1383 mpfr_erfc (n, x, GMP_RNDN);
1384 mpfr_subnormalize (x, t, GMP_RNDN);
1388 mpc_set_ui_ui (c, 1, 1, MPC_RNDNN);
1389 mpc_cosh (c, c, MPC_RNDNN);
1390 mpc_pow (c, c, c, MPC_RNDNN);
1391 mpc_acosh (c, c, MPC_RNDNN);
1393 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1397 CFLAGS="$saved_CFLAGS"
1399 # The library versions listed in the error message below should match
1400 # the HARD-minimums enforced above.
1401 if test x$have_gmp != xyes; then
1402 AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 2.3.1+ and MPC 0.8.0+.
1403 Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify
1404 their locations. Source code for these libraries can be found at
1405 their respective hosting sites as well as at
1406 ftp://gcc.gnu.org/pub/gcc/infrastructure/. See also
1407 http://gcc.gnu.org/install/prerequisites.html for additional info. If
1408 you obtained GMP, MPFR and/or MPC from a vendor distribution package,
1409 make sure that you have installed both the libraries and the header
1410 files. They may be located in separate packages.])
1414 # Flags needed for both GMP, MPFR and/or MPC.
1417 AC_SUBST(extra_mpfr_configure_flags)
1418 AC_SUBST(extra_mpc_gmp_configure_flags)
1419 AC_SUBST(extra_mpc_mpfr_configure_flags)
1421 # Allow host libstdc++ to be specified for static linking with PPL.
1422 AC_ARG_WITH(host-libstdcxx,
1423 [AS_HELP_STRING([--with-host-libstdcxx=L],
1424 [use linker arguments L to link with libstdc++
1425 when linking with PPL])])
1427 case $with_host_libstdcxx in
1429 AC_MSG_ERROR([-with-host-libstdcxx needs an argument])
1433 # Linker flags to use for stage1 or when not boostrapping.
1434 AC_ARG_WITH(stage1-ldflags,
1435 [AS_HELP_STRING([--with-stage1-ldflags=FLAGS], [linker flags for stage1])],
1436 [if test "$withval" = "no" -o "$withval" = "yes"; then
1439 stage1_ldflags=$withval
1442 AC_SUBST(stage1_ldflags)
1444 # Libraries to use for stage1 or when not bootstrapping.
1445 AC_ARG_WITH(stage1-libs,
1446 [AS_HELP_STRING([--with-stage1-libs=LIBS], [libraries for stage1])],
1447 [if test "$withval" = "no" -o "$withval" = "yes"; then
1450 stage1_libs=$withval
1452 [stage1_libs=$with_host_libstdcxx])
1453 AC_SUBST(stage1_libs)
1455 # Libraries to use for stage2 and later builds. This defaults to the
1456 # argument passed to --with-host-libstdcxx.
1457 AC_ARG_WITH(boot-libs,
1458 [AS_HELP_STRING([--with-boot-libs=LIBS], [libraries for stage2 and later])],
1459 [if test "$withval" = "no" -o "$withval" = "yes"; then
1462 poststage1_libs=$withval
1464 [poststage1_libs=$with_host_libstdcxx])
1465 AC_SUBST(poststage1_libs)
1467 # Linker flags to use for stage2 and later builds.
1468 AC_ARG_WITH(boot-ldflags,
1469 [AS_HELP_STRING([--with-boot-ldflags=FLAGS],
1470 [linker flags for stage2 and later])],
1471 [if test "$withval" = "no" -o "$withval" = "yes"; then
1474 poststage1_ldflags=$withval
1476 [poststage1_ldflags=
1477 # In stages 2 and 3, default to linking libstdc++ and libgcc
1478 # statically. But if the user explicitly specified the libraries to
1479 # use, trust that they are doing what they want.
1480 if test "$poststage1_libs" = ""; then
1481 poststage1_ldflags="-static-libstdc++ -static-libgcc"
1483 AC_SUBST(poststage1_ldflags)
1491 [AS_HELP_STRING([--with-ppl=PATH],
1492 [specify prefix directory for the installed PPL package.
1493 Equivalent to --with-ppl-include=PATH/include
1494 plus --with-ppl-lib=PATH/lib])])
1495 AC_ARG_WITH(ppl-include,
1496 [AS_HELP_STRING([--with-ppl-include=PATH],
1497 [specify directory for installed PPL include files])])
1498 AC_ARG_WITH(ppl-lib,
1499 [AS_HELP_STRING([--with-ppl-lib=PATH],
1500 [specify directory for the installed PPL library])])
1502 AC_ARG_ENABLE(ppl-version-check,
1503 [AS_HELP_STRING([--disable-ppl-version-check],
1504 [disable check for PPL version])])
1510 ppllibs="-L$with_ppl/lib"
1511 pplinc="-I$with_ppl/include $pplinc"
1512 if test -d "$with_ppl/lib" && test -d "$with_ppl/include"; then
1515 AC_MSG_ERROR([cannot find directories "$with_ppl/lib" or "$with_ppl/include"])
1520 if test x"$with_ppl_include" != x; then
1521 pplinc="-I$with_ppl_include $pplinc"
1525 if test "x$with_ppl_lib" != x; then
1526 ppllibs="-L$with_ppl_lib"
1530 if test x"$with_ppl$with_ppl_include$with_ppl_lib" = x && test -d ${srcdir}/ppl; then
1531 if test x"$enable_watchdog" = xyes; then
1534 ppllibs='-L$$r/$(HOST_SUBDIR)/ppl/interfaces/C/'"$lt_cv_objdir"' -L$$r/$(HOST_SUBDIR)/ppl/src/'"$lt_cv_objdir"
1535 pplinc='-I$$r/$(HOST_SUBDIR)/ppl/src -I$$r/$(HOST_SUBDIR)/ppl/interfaces/C '
1536 enable_ppl_version_check=no
1540 if test "x$with_ppl" != xno; then
1541 if test "x$pwllib" = x; then
1543 LIBS="$LIBS $ppllibs -lstdc++ -lm"
1544 AC_CHECK_LIB(pwl, PWL_handle_timeout, [pwllib="-lpwl"])
1548 ppllibs="$ppllibs -lppl_c -lppl $pwllib -lgmpxx"
1550 if test "$enable_ppl_version_check" != no; then
1551 saved_CFLAGS="$CFLAGS"
1552 CFLAGS="$CFLAGS $pplinc $gmpinc"
1553 AC_MSG_CHECKING([for version 0.11 (revision 0 or later) of PPL])
1554 AC_TRY_COMPILE([#include "ppl_c.h"],[
1555 #if PPL_VERSION_MAJOR != 0 || PPL_VERSION_MINOR < 11
1558 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); ppllibs= ; pplinc= ; with_ppl=no ])
1559 CFLAGS="$saved_CFLAGS"
1563 # Flags needed for PPL
1570 dnl Provide configure switches and initialize clooginc & clooglibs
1571 dnl with user input.
1573 if test "x$with_ppl" = "xno"; then
1574 dnl Only execute fail-action, if CLooG has been requested.
1575 CLOOG_REQUESTED([graphite_requested=yes], [graphite_requested=no])
1576 if test "${graphite_requested}" = yes; then
1577 AC_MSG_ERROR([Unable to find a usable PPL. See config.log for details.])
1581 if test "x${with_cloog}" = x && test "x${with_cloog_include}" = x \
1582 && test "x${with_cloog_lib}" = x && test -d ${srcdir}/cloog; then
1583 clooglibs='-L$$r/$(HOST_SUBDIR)/cloog/'"$lt_cv_objdir"' '
1584 clooginc='-I$$r/$(HOST_SUBDIR)/cloog/include -I$$s/cloog/include '
1586 if test "x$with_cloog" != "xno"; then
1587 dnl The minimal version of CLooG required for Graphite.
1589 dnl If we use CLooG-Legacy, the provided version information is
1591 CLOOG_CHECK_VERSION(0,16,1)
1593 dnl Only execute fail-action, if CLooG has been requested.
1595 AC_MSG_ERROR([Unable to find a usable CLooG. See config.log for details.])])
1598 # Check for LTO support.
1600 [AS_HELP_STRING([--enable-lto], [enable link time optimization support])],
1601 enable_lto=$enableval,
1602 enable_lto=yes; default_enable_lto=yes)
1604 ACX_ELF_TARGET_IFELSE([# ELF platforms build the lto-plugin always.
1605 build_lto_plugin=yes
1606 ],[if test x"$default_enable_lto" = x"yes" ; then
1608 *-apple-darwin9* | *-cygwin* | *-mingw*) ;;
1609 # On other non-ELF platforms, LTO has yet to be validated.
1613 # Apart from ELF platforms, only Windows and Darwin support LTO so far.
1614 # It would also be nice to check the binutils support, but we don't
1615 # have gcc_GAS_CHECK_FEATURE available here. For now, we'll just
1616 # warn during gcc/ subconfigure; unless you're bootstrapping with
1617 # -flto it won't be needed until after installation anyway.
1619 *-cygwin* | *-mingw* | *-apple-darwin*) ;;
1620 *) if test x"$enable_lto" = x"yes"; then
1621 AC_MSG_ERROR([LTO support is not enabled for this target.])
1626 # Among non-ELF, only Windows platforms support the lto-plugin so far.
1627 # Build it unless LTO was explicitly disabled.
1629 *-cygwin* | *-mingw*) build_lto_plugin=$enable_lto ;;
1635 # By default, C is the only stage 1 language.
1636 stage1_languages=,c,
1638 # Target libraries that we bootstrap.
1639 bootstrap_target_libs=,target-libgcc,
1641 # Figure out what language subdirectories are present.
1642 # Look if the user specified --enable-languages="..."; if not, use
1643 # the environment variable $LANGUAGES if defined. $LANGUAGES might
1645 # NB: embedded tabs in this IF block -- do not untabify
1646 if test -d ${srcdir}/gcc; then
1647 if test x"${enable_languages+set}" != xset; then
1648 if test x"${LANGUAGES+set}" = xset; then
1649 enable_languages="${LANGUAGES}"
1650 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1652 enable_languages=all
1655 if test x"${enable_languages}" = x ||
1656 test x"${enable_languages}" = xyes;
1658 echo configure.in: --enable-languages needs at least one language argument 1>&2
1662 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1664 # 'f95' is the old name for the 'fortran' language. We issue a warning
1665 # and make the substitution.
1666 case ,${enable_languages}, in
1668 echo configure.in: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2
1669 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'`
1673 # If bootstrapping, then using --enable-build-with-cxx or
1674 # --enable-build-poststage1-with-cxx requires enabling C++.
1675 case ",$enable_languages,:,$ENABLE_BUILD_WITH_CXX,$ENABLE_BUILD_POSTSTAGE1_WITH_CXX,:$enable_bootstrap" in
1678 if test -f ${srcdir}/gcc/cp/config-lang.in; then
1679 enable_languages="${enable_languages},c++"
1681 AC_MSG_ERROR([bootstrapping with --enable-build-with-cxx or --enable-build-poststage1-with-cxx requires c++ sources])
1686 # First scan to see if an enabled language requires some other language.
1687 # We assume that a given config-lang.in will list all the language
1688 # front ends it requires, even if some are required indirectly.
1689 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1690 case ${lang_frag} in
1692 # The odd quoting in the next line works around
1693 # an apparent bug in bash 1.12 on linux.
1694 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1696 # From the config-lang.in, get $language, $lang_requires, and
1697 # $lang_requires_boot_languages.
1700 lang_requires_boot_languages=
1702 for other in ${lang_requires} ${lang_requires_boot_languages}; do
1703 case ,${enable_languages}, in
1707 echo " \`$other' language required by \`$language'; enabling" 1>&2
1708 enable_languages="${enable_languages},${other}"
1712 for other in ${lang_requires_boot_languages} ; do
1713 if test "$other" != "c"; then
1714 case ,${enable_stage1_languages}, in
1718 case ,${enable_languages}, in
1720 echo " '$other' language required by '$language' in stage 1; enabling" 1>&2
1721 enable_stage1_languages="$enable_stage1_languages,${other}"
1732 new_enable_languages=,c,
1734 # If LTO is enabled, add the LTO front end.
1735 extra_host_libiberty_configure_flags=
1736 if test "$enable_lto" = "yes" ; then
1737 case ,${enable_languages}, in
1739 *) enable_languages="${enable_languages},lto" ;;
1741 if test "${build_lto_plugin}" = "yes" ; then
1742 configdirs="$configdirs lto-plugin"
1743 extra_host_libiberty_configure_flags=--enable-shared
1746 AC_SUBST(extra_host_libiberty_configure_flags)
1748 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
1749 potential_languages=,c,
1751 enabled_target_libs=
1752 disabled_target_libs=
1754 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1755 case ${lang_frag} in
1757 # The odd quoting in the next line works around
1758 # an apparent bug in bash 1.12 on linux.
1759 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1761 # From the config-lang.in, get $language, $target_libs,
1762 # $lang_dirs, $boot_language, and $build_by_default
1768 build_by_default=yes
1770 if test x${language} = x; then
1771 echo "${lang_frag} doesn't set \$language." 1>&2
1775 if test "$language" = "c++"; then
1776 if test "$ENABLE_BUILD_WITH_CXX" = "yes" \
1777 || test "$ENABLE_BUILD_POSTSTAGE1_WITH_CXX" = "yes"; then
1782 case ,${enable_languages}, in
1784 # Language was explicitly selected; include it.
1788 # 'all' was selected, select it if it is a default language
1789 add_this_lang=${build_by_default}
1796 # Disable languages that need other directories if these aren't available.
1797 for i in $subdir_requires; do
1798 test -f "$srcdir/gcc/$i/config-lang.in" && continue
1799 case ,${enable_languages}, in
1801 # Specifically requested language; tell them.
1802 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing])
1806 add_this_lang=unsupported
1811 # Disable Ada if no preexisting GNAT is available.
1812 case ,${enable_languages},:${language}:${have_gnat} in
1813 *,${language},*:ada:no)
1814 # Specifically requested language; tell them.
1815 AC_MSG_ERROR([GNAT is required to build $language])
1819 add_this_lang=unsupported
1823 # Disable a language that is unsupported by the target.
1824 case " $unsupported_languages " in
1826 add_this_lang=unsupported
1830 case $add_this_lang in
1832 # Remove language-dependent dirs.
1833 disabled_target_libs="$disabled_target_libs $target_libs"
1834 noconfigdirs="$noconfigdirs $lang_dirs"
1837 # Remove language-dependent dirs; still show language as supported.
1838 disabled_target_libs="$disabled_target_libs $target_libs"
1839 noconfigdirs="$noconfigdirs $lang_dirs"
1840 potential_languages="${potential_languages}${language},"
1843 new_enable_languages="${new_enable_languages}${language},"
1844 potential_languages="${potential_languages}${language},"
1845 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
1846 enabled_target_libs="$enabled_target_libs $target_libs"
1847 case "${boot_language}:,$enable_stage1_languages," in
1848 yes:* | *:*,$language,* | *:*,yes, | *:*,all,)
1849 # Add to (comma-separated) list of stage 1 languages.
1850 case ",$stage1_languages," in
1851 *,$language,* | ,yes, | ,all,) ;;
1852 *) stage1_languages="${stage1_languages}${language}," ;;
1854 # We need to bootstrap any supporting libraries.
1855 bootstrap_target_libs="${bootstrap_target_libs}${target_libs},"
1864 # Add target libraries which are only needed for disabled languages
1866 if test -n "$disabled_target_libs"; then
1867 for dir in $disabled_target_libs; do
1868 case " $enabled_target_libs " in
1870 *) noconfigdirs="$noconfigdirs $dir" ;;
1875 AC_ARG_ENABLE(stage1-languages,
1876 [AS_HELP_STRING([[--enable-stage1-languages[=all]]],
1877 [choose additional languages to build during
1878 stage1. Mostly useful for compiler development])],
1879 [case ,${enable_stage1_languages}, in
1881 # Set it to something that will have no effect in the loop below
1882 enable_stage1_languages=c ;;
1884 enable_stage1_languages=`echo $new_enable_languages | \
1885 sed -e "s/^,//" -e "s/,$//" ` ;;
1887 enable_stage1_languages=`echo ,$enable_stage1_languages, | \
1888 sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;;
1891 # Add "good" languages from enable_stage1_languages to stage1_languages,
1892 # while "bad" languages go in missing_languages. Leave no duplicates.
1893 for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do
1894 case $potential_languages in
1896 case $stage1_languages in
1898 *) stage1_languages="$stage1_languages$i," ;;
1901 case $missing_languages in
1903 *) missing_languages="$missing_languages$i," ;;
1908 # Remove leading/trailing commas that were added for simplicity
1909 potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"`
1910 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
1911 stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"`
1912 new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"`
1914 if test "x$missing_languages" != x; then
1916 The following requested languages could not be built: ${missing_languages}
1917 Supported languages are: ${potential_languages}])
1919 if test "x$new_enable_languages" != "x$enable_languages"; then
1920 echo The following languages will be built: ${new_enable_languages}
1921 enable_languages="$new_enable_languages"
1924 AC_SUBST(stage1_languages)
1925 ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" `
1928 # Handle --disable-<component> generically.
1929 for dir in $configdirs $build_configdirs $target_configdirs ; do
1930 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g`
1931 varname=`echo $dirname | sed -e s/+/_/g`
1932 if eval test x\${enable_${varname}} "=" xno ; then
1933 noconfigdirs="$noconfigdirs $dir"
1937 # Check for Boehm's garbage collector
1938 AC_ARG_ENABLE(objc-gc,
1939 [AS_HELP_STRING([--enable-objc-gc],
1940 [enable use of Boehm's garbage collector with the
1941 GNU Objective-C runtime])],
1942 [case ,${enable_languages},:${enable_objc_gc}:${noconfigdirs} in
1943 *,objc,*:*:yes:*target-boehm-gc*)
1944 AC_MSG_ERROR([Boehm's garbage collector was requested yet not supported in this configuration])
1948 # Make sure we only build Boehm's garbage collector if required.
1949 case ,${enable_languages},:${enable_objc_gc} in
1951 # Keep target-boehm-gc if requested for Objective-C.
1954 # Otherwise remove target-boehm-gc depending on target-libjava.
1955 if echo " ${noconfigdirs} " | grep "target-libjava" >/dev/null 2>&1; then
1956 noconfigdirs="$noconfigdirs target-boehm-gc"
1961 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
1962 # $build_configdirs and $target_configdirs.
1963 # If we have the source for $noconfigdirs entries, add them to $notsupp.
1966 for dir in . $skipdirs $noconfigdirs ; do
1967 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
1968 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1969 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
1970 if test -r $srcdir/$dirname/configure ; then
1971 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1974 notsupp="$notsupp $dir"
1978 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1979 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"`
1980 if test -r $srcdir/$dirname/configure ; then
1981 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1984 notsupp="$notsupp $dir"
1988 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1989 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
1990 if test -r $srcdir/$dirname/configure ; then
1991 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1994 notsupp="$notsupp $dir"
2000 # Quietly strip out all directories which aren't configurable in this tree.
2001 # This relies on all configurable subdirectories being autoconfiscated, which
2003 build_configdirs_all="$build_configdirs"
2005 for i in ${build_configdirs_all} ; do
2006 j=`echo $i | sed -e s/build-//g`
2007 if test -f ${srcdir}/$j/configure ; then
2008 build_configdirs="${build_configdirs} $i"
2012 configdirs_all="$configdirs"
2014 for i in ${configdirs_all} ; do
2015 if test -f ${srcdir}/$i/configure ; then
2016 configdirs="${configdirs} $i"
2020 target_configdirs_all="$target_configdirs"
2022 for i in ${target_configdirs_all} ; do
2023 j=`echo $i | sed -e s/target-//g`
2024 if test -f ${srcdir}/$j/configure ; then
2025 target_configdirs="${target_configdirs} $i"
2029 # Produce a warning message for the subdirs we can't configure.
2030 # This isn't especially interesting in the Cygnus tree, but in the individual
2031 # FSF releases, it's important to let people know when their machine isn't
2032 # supported by the one or two programs in a package.
2034 if test -n "${notsupp}" && test -z "${norecursion}" ; then
2035 # If $appdirs is non-empty, at least one of those directories must still
2036 # be configured, or we error out. (E.g., if the gas release supports a
2037 # specified target in some subdirs but not the gas subdir, we shouldn't
2038 # pretend that all is well.)
2039 if test -n "$appdirs" ; then
2040 for dir in $appdirs ; do
2041 if test -r $dir/Makefile.in ; then
2042 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2046 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
2052 if test -n "$appdirs" ; then
2053 echo "*** This configuration is not supported by this package." 1>&2
2057 # Okay, some application will build, or we don't care to check. Still
2058 # notify of subdirs not getting built.
2059 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
2060 echo " ${notsupp}" 1>&2
2061 echo " (Any other directories should still work fine.)" 1>&2
2069 # To find our prefix, in gcc_cv_tool_prefix.
2074 AC_ARG_WITH([build-sysroot],
2075 [AS_HELP_STRING([--with-build-sysroot=SYSROOT],
2076 [use sysroot as the system root during the build])],
2077 [if test x"$withval" != x ; then
2078 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval"
2080 [SYSROOT_CFLAGS_FOR_TARGET=])
2081 AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET)
2083 AC_ARG_WITH([debug-prefix-map],
2084 [AS_HELP_STRING([--with-debug-prefix-map='A=B C=D ...'],
2085 [map A to B, C to D ... in debug information])],
2086 [if test x"$withval" != x; then
2087 DEBUG_PREFIX_CFLAGS_FOR_TARGET=
2088 for debug_map in $withval; do
2089 DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map"
2092 [DEBUG_PREFIX_CFLAGS_FOR_TARGET=])
2093 AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET)
2095 # During gcc bootstrap, if we use some random cc for stage1 then CFLAGS
2096 # might be empty or "-g". We don't require a C++ compiler, so CXXFLAGS
2097 # might also be empty (or "-g", if a non-GCC C++ compiler is in the path).
2098 # We want to ensure that TARGET libraries (which we know are built with
2099 # gcc) are built with "-O2 -g", so include those options when setting
2100 # CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET.
2101 if test "x$CFLAGS_FOR_TARGET" = x; then
2102 CFLAGS_FOR_TARGET=$CFLAGS
2105 *) CFLAGS_FOR_TARGET="-O2 $CFLAGS" ;;
2108 *" -g "* | *" -g3 "*) ;;
2109 *) CFLAGS_FOR_TARGET="-g $CFLAGS" ;;
2112 AC_SUBST(CFLAGS_FOR_TARGET)
2114 if test "x$CXXFLAGS_FOR_TARGET" = x; then
2115 CXXFLAGS_FOR_TARGET=$CXXFLAGS
2116 case " $CXXFLAGS " in
2118 *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS" ;;
2120 case " $CXXFLAGS " in
2121 *" -g "* | *" -g3 "*) ;;
2122 *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS" ;;
2125 AC_SUBST(CXXFLAGS_FOR_TARGET)
2127 AC_SUBST(LDFLAGS_FOR_TARGET)
2129 # Handle --with-headers=XXX. If the value is not "yes", the contents of
2130 # the named directory are copied to $(tooldir)/sys-include.
2131 if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
2132 if test x${is_cross_compiler} = xno ; then
2133 echo 1>&2 '***' --with-headers is only supported when cross compiling
2136 if test x"${with_headers}" != xyes ; then
2137 x=${gcc_cv_tool_prefix}
2138 copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include"
2142 # Handle --with-libs=XXX. If the value is not "yes", the contents of
2143 # the name directories are copied to $(tooldir)/lib. Multiple directories
2145 if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
2146 if test x${is_cross_compiler} = xno ; then
2147 echo 1>&2 '***' --with-libs is only supported when cross compiling
2150 if test x"${with_libs}" != xyes ; then
2151 # Copy the libraries in reverse order, so that files in the first named
2152 # library override files in subsequent libraries.
2153 x=${gcc_cv_tool_prefix}
2154 for l in ${with_libs}; do
2155 copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}"
2160 # Set with_gnu_as, with_gnu_ld, and with_system_zlib as appropriate.
2162 # This is done by determining whether or not the appropriate directory
2163 # is available, and by checking whether or not specific configurations
2164 # have requested that this magic not happen.
2166 # The command line options always override the explicit settings in
2167 # configure.in, and the settings in configure.in override this magic.
2169 # If the default for a toolchain is to use GNU as and ld, and you don't
2170 # want to do that, then you should use the --without-gnu-as and
2171 # --without-gnu-ld options for the configure script. Similarly, if
2172 # the default is to use the included zlib and you don't want to do that,
2173 # you should use the --with-system-zlib option for the configure script.
2175 if test x${use_gnu_as} = x &&
2176 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
2178 extra_host_args="$extra_host_args --with-gnu-as"
2181 if test x${use_gnu_ld} = x &&
2182 echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then
2184 extra_host_args="$extra_host_args --with-gnu-ld"
2187 if test x${use_included_zlib} = x &&
2188 echo " ${configdirs} " | grep " zlib " > /dev/null 2>&1 ; then
2191 with_system_zlib=yes
2192 extra_host_args="$extra_host_args --with-system-zlib"
2195 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
2196 # can detect this case.
2198 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
2200 extra_host_args="$extra_host_args --with-newlib"
2203 # Handle ${copy_dirs}
2204 set fnord ${copy_dirs}
2206 while test $# != 0 ; do
2207 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
2210 echo Copying $1 to $2
2212 # Use the install script to create the directory and all required
2213 # parent directories.
2214 if test -d $2 ; then
2218 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
2221 # Copy the directory, assuming we have tar.
2222 # FIXME: Should we use B in the second tar? Not all systems support it.
2223 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
2225 # It is the responsibility of the user to correctly adjust all
2226 # symlinks. If somebody can figure out how to handle them correctly
2227 # here, feel free to add the code.
2234 # Determine a target-dependent exec_prefix that the installed
2235 # gcc will search in. Keep this list sorted by triplet, with
2236 # the *-*-osname triplets last.
2239 i[[34567]]86-pc-msdosdjgpp*)
2240 md_exec_prefix=/dev/env/DJDIR/bin
2245 md_exec_prefix=/usr/ccs/bin
2249 extra_arflags_for_target=
2250 extra_nmflags_for_target=
2251 extra_ranlibflags_for_target=
2252 target_makefile_frag=/dev/null
2255 target_makefile_frag="config/mt-spu"
2258 target_makefile_frag="config/mt-sde"
2260 mipsisa*-*-elfoabi*)
2261 target_makefile_frag="config/mt-mips-elfoabi"
2263 mips*-*-*linux* | mips*-*-gnu*)
2264 target_makefile_frag="config/mt-mips-gnu"
2266 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
2267 target_makefile_frag="config/mt-gnu"
2269 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
2270 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
2271 # commands to handle both 32-bit and 64-bit objects. These flags are
2272 # harmless if we're using GNU nm or ar.
2273 extra_arflags_for_target=" -X32_64"
2274 extra_nmflags_for_target=" -B -X32_64"
2277 # ranlib before Darwin10 requires the -c flag to look at common symbols.
2278 extra_ranlibflags_for_target=" -c"
2282 alphaieee_frag=/dev/null
2285 # This just makes sure to use the -mieee option to build target libs.
2286 # This should probably be set individually by each library.
2287 alphaieee_frag="config/mt-alphaieee"
2291 # If --enable-target-optspace always use -Os instead of -O2 to build
2292 # the target libraries, similarly if it is not specified, use -Os
2293 # on selected platforms.
2294 ospace_frag=/dev/null
2295 case "${enable_target_optspace}:${target}" in
2297 ospace_frag="config/mt-ospace"
2300 ospace_frag="config/mt-d30v"
2302 :m32r-* | :d10v-* | :fr30-*)
2303 ospace_frag="config/mt-ospace"
2308 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
2312 # Default to using --with-stabs for certain targets.
2313 if test x${with_stabs} = x ; then
2315 mips*-*-irix[[56]]*)
2317 mips*-*-* | alpha*-*-osf*)
2319 extra_host_args="${extra_host_args} --with-stabs"
2324 # Some systems (e.g., one of the i386-aix systems the gas testers are
2325 # using) don't handle "\$" correctly, so don't use it here.
2326 tooldir='${exec_prefix}'/${target_noncanonical}
2327 build_tooldir=${tooldir}
2329 # Create a .gdbinit file which runs the one in srcdir
2330 # and tells GDB to look there for source files.
2332 if test -r ${srcdir}/.gdbinit ; then
2335 *) cat > ./.gdbinit <<EOF
2339 source ${srcdir}/.gdbinit
2345 # Make sure that the compiler is able to generate an executable. If it
2346 # can't, we are probably in trouble. We don't care whether we can run the
2347 # executable--we might be using a cross compiler--we only care whether it
2348 # can be created. At this point the main configure script has set CC.
2350 echo "int main () { return 0; }" > conftest.c
2351 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
2352 if test $? = 0 ; then
2353 if test -s conftest || test -s conftest.exe ; then
2359 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
2360 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
2367 # Decide which environment variable is used to find dynamic libraries.
2369 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
2370 *-*-darwin*) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;;
2371 *-*-mingw* | *-*-cygwin ) RPATH_ENVVAR=PATH ;;
2372 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
2375 # On systems where the dynamic library environment variable is PATH,
2376 # gcc/ will put dynamic libraries into a subdirectory to avoid adding
2377 # built executables to PATH.
2378 if test "$RPATH_ENVVAR" = PATH; then
2379 GCC_SHLIB_SUBDIR=/shlib
2384 # Record target_configdirs and the configure arguments for target and
2385 # build configuration in Makefile.
2386 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
2387 build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
2389 # If we are building libgomp, bootstrap it.
2390 if echo " ${target_configdirs} " | grep " libgomp " > /dev/null 2>&1 ; then
2391 bootstrap_target_libs=${bootstrap_target_libs}target-libgomp,
2394 # Determine whether gdb needs tk/tcl or not.
2395 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
2396 # and in that case we want gdb to be built without tk. Ugh!
2397 # In fact I believe gdb is the *only* package directly dependent on tk,
2398 # so we should be able to put the 'maybe's in unconditionally and
2399 # leave out the maybe dependencies when enable_gdbtk is false. I'm not
2400 # 100% sure that that's safe though.
2402 gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
2403 case "$enable_gdbtk" in
2407 GDB_TK="${gdb_tk}" ;;
2409 # Only add the dependency on gdbtk when GDBtk is part of the gdb
2410 # distro. Eventually someone will fix this and move Insight, nee
2411 # gdbtk to a separate directory.
2412 if test -d ${srcdir}/gdb/gdbtk ; then
2419 CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g`
2420 INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g`
2422 # Strip out unwanted targets.
2424 # While at that, we remove Makefiles if we were started for recursive
2425 # configuration, so that the top-level Makefile reconfigures them,
2426 # like we used to do when configure itself was recursive.
2428 # Loop over modules. We used to use the "$extrasub" feature from Autoconf
2429 # but now we're fixing up the Makefile ourselves with the additional
2430 # commands passed to AC_CONFIG_FILES. Use separate variables
2431 # extrasub-{build,host,target} not because there is any reason to split
2432 # the substitutions up that way, but only to remain below the limit of
2433 # 99 commands in a script, for HP-UX sed.
2434 # Do not nest @if/@endif pairs, because configure will not warn you at all.
2436 case "$enable_bootstrap:$ENABLE_GOLD: $configdirs :,$stage1_languages," in
2437 yes:yes:*\ gold\ *:*,c++,*) ;;
2438 yes:yes:*\ gold\ *:*)
2439 AC_MSG_ERROR([in a combined tree, bootstrapping with --enable-gold requires c++ in stage1_languages])
2443 # Adjust the toplevel makefile according to whether bootstrap was selected.
2444 case $enable_bootstrap in
2446 bootstrap_suffix=bootstrap
2447 BUILD_CONFIG=bootstrap-debug
2450 bootstrap_suffix=no-bootstrap
2455 AC_MSG_CHECKING(for default BUILD_CONFIG)
2457 AC_ARG_WITH([build-config],
2458 [AS_HELP_STRING([--with-build-config='NAME NAME2...'],
2459 [use config/NAME.mk build configuration])],
2460 [case $with_build_config in
2461 yes) with_build_config= ;;
2462 no) with_build_config= BUILD_CONFIG= ;;
2465 if test "x${with_build_config}" != x; then
2466 BUILD_CONFIG=$with_build_config
2468 case $BUILD_CONFIG in
2470 if echo "int f (void) { return 0; }" > conftest.c &&
2471 ${CC} -c conftest.c &&
2472 mv conftest.o conftest.o.g0 &&
2473 ${CC} -c -g conftest.c &&
2474 mv conftest.o conftest.o.g &&
2475 ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g > /dev/null 2>&1; then
2480 rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g
2484 AC_MSG_RESULT($BUILD_CONFIG)
2485 AC_SUBST(BUILD_CONFIG)
2488 for module in ${build_configdirs} ; do
2489 if test -z "${no_recursion}" \
2490 && test -f ${build_subdir}/${module}/Makefile; then
2491 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
2492 rm -f ${build_subdir}/${module}/Makefile
2494 extrasub_build="$extrasub_build
2495 /^@if build-$module\$/d
2496 /^@endif build-$module\$/d
2497 /^@if build-$module-$bootstrap_suffix\$/d
2498 /^@endif build-$module-$bootstrap_suffix\$/d"
2501 for module in ${configdirs} ; do
2502 if test -z "${no_recursion}"; then
2503 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do
2504 if test -f ${file}; then
2505 echo 1>&2 "*** removing ${file} to force reconfigure"
2510 extrasub_host="$extrasub_host
2512 /^@endif $module\$/d
2513 /^@if $module-$bootstrap_suffix\$/d
2514 /^@endif $module-$bootstrap_suffix\$/d"
2517 for module in ${target_configdirs} ; do
2518 if test -z "${no_recursion}" \
2519 && test -f ${target_subdir}/${module}/Makefile; then
2520 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
2521 rm -f ${target_subdir}/${module}/Makefile
2524 # We only bootstrap target libraries listed in bootstrap_target_libs.
2525 case $bootstrap_target_libs in
2526 *,target-$module,*) target_bootstrap_suffix=$bootstrap_suffix ;;
2527 *) target_bootstrap_suffix=no-bootstrap ;;
2530 extrasub_target="$extrasub_target
2531 /^@if target-$module\$/d
2532 /^@endif target-$module\$/d
2533 /^@if target-$module-$target_bootstrap_suffix\$/d
2534 /^@endif target-$module-$target_bootstrap_suffix\$/d"
2537 # Do the final fixup along with target modules.
2538 extrasub_target="$extrasub_target
2539 /^@if /,/^@endif /d"
2541 # Create the serialization dependencies. This uses a temporary file.
2543 AC_ARG_ENABLE([serial-configure],
2544 [AS_HELP_STRING([[--enable-serial-[{host,target,build}-]configure]],
2545 [force sequential configuration of
2546 sub-packages for the host, target or build
2547 machine, or all sub-packages])])
2549 case ${enable_serial_configure} in
2551 enable_serial_build_configure=yes
2552 enable_serial_host_configure=yes
2553 enable_serial_target_configure=yes
2557 # These force 'configure's to be done one at a time, to avoid problems
2558 # with contention over a shared config.cache.
2560 echo '# serdep.tmp' > serdep.tmp
2562 test "x${enable_serial_build_configure}" = xyes &&
2563 for item in ${build_configdirs} ; do
2566 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
2571 test "x${enable_serial_host_configure}" = xyes &&
2572 for item in ${configdirs} ; do
2575 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
2580 test "x${enable_serial_target_configure}" = xyes &&
2581 for item in ${target_configdirs} ; do
2584 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
2588 serialization_dependencies=serdep.tmp
2589 AC_SUBST_FILE(serialization_dependencies)
2591 # Base args. Strip norecursion, cache-file, srcdir, host, build,
2592 # target, nonopt, and variable assignments. These are the ones we
2593 # might not want to pass down to subconfigures. The exception being
2594 # --cache-file=/dev/null, which is used to turn off the use of cache
2595 # files altogether, and which should be passed on to subconfigures.
2596 # Also strip program-prefix, program-suffix, and program-transform-name,
2597 # so that we can pass down a consistent program-transform-name.
2602 eval "set -- $ac_configure_args"
2605 if test X"$skip_next" = X"yes"; then
2609 if test X"$keep_next" = X"yes"; then
2612 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2614 baseargs="$baseargs '$ac_arg'"
2615 tbaseargs="$tbaseargs '$ac_arg'"
2620 # Handle separated arguments. Based on the logic generated by
2623 *=* | --config-cache | -C | -disable-* | --disable-* \
2624 | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \
2625 | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \
2626 | -with-* | --with-* | -without-* | --without-* | --x)
2640 --with-* | --without-*)
2641 libopt=`echo "$ac_arg" | sed -e 's,^--[^-_]*[-_],,' -e 's,=.*$,,'`
2645 lib=`echo "$libopt" | sed 's,[-_]include$,,'`
2648 lib=`echo "$libopt" | sed 's,[-_]lib$,,'`
2657 mpc | mpfr | gmp | ppl | cloog)
2658 # If we're processing --with-$lib, --with-$lib-include or
2659 # --with-$lib-lib, for one of the libs above, and target is
2660 # different from host, don't pass the current argument to any
2661 # target library's configure.
2662 if test x$is_cross_compiler = xyes; then
2671 --cache-file=/dev/null | \
2672 -cache-file=/dev/null )
2673 # Handled here to avoid the test to skip args below.
2674 baseargs="$baseargs '$ac_arg'"
2675 tbaseargs="$tbaseargs '$ac_arg'"
2676 # Assert: $separate_arg should always be no.
2677 keep_next=$separate_arg
2693 -program-prefix* | \
2694 -program-suffix* | \
2695 -program-transform-name* )
2696 skip_next=$separate_arg
2700 # An option. Add it.
2703 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2705 baseargs="$baseargs '$ac_arg'"
2706 if test X"$skip_targ" = Xno; then
2707 tbaseargs="$tbaseargs '$ac_arg'"
2709 keep_next=$separate_arg
2712 # Either a variable assignment, or a nonopt (triplet). Don't
2713 # pass it down; let the Makefile handle this.
2718 # Remove the initial space we just introduced and, as these will be
2719 # expanded by make, quote '$'.
2720 baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
2722 # Add in --program-transform-name, after --program-prefix and
2723 # --program-suffix have been applied to it. Autoconf has already
2724 # doubled dollar signs and backslashes in program_transform_name; we want
2725 # the backslashes un-doubled, and then the entire thing wrapped in single
2726 # quotes, because this will be expanded first by make and then by the shell.
2727 # Also, because we want to override the logic in subdir configure scripts to
2728 # choose program_transform_name, replace any s,x,x, with s,y,y,.
2729 sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
2730 ${program_transform_name}
2732 gcc_transform_name=`cat conftestsed.out`
2733 rm -f conftestsed.out
2734 baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
2735 tbaseargs="$tbaseargs --program-transform-name='${gcc_transform_name}'"
2736 if test "$silent" = yes; then
2737 baseargs="$baseargs --silent"
2738 tbaseargs="$tbaseargs --silent"
2740 baseargs="$baseargs --disable-option-checking"
2741 tbaseargs="$tbaseargs --disable-option-checking"
2743 # Record and document user additions to sub configure arguments.
2744 AC_ARG_VAR([build_configargs],
2745 [additional configure arguments for build directories])
2746 AC_ARG_VAR([host_configargs],
2747 [additional configure arguments for host directories])
2748 AC_ARG_VAR([target_configargs],
2749 [additional configure arguments for target directories])
2751 # For the build-side libraries, we just need to pretend we're native,
2752 # and not use the same cache file. Multilibs are neither needed nor
2754 build_configargs="$build_configargs --cache-file=../config.cache ${baseargs}"
2756 # For host modules, accept cache file option, or specification as blank.
2757 case "${cache_file}" in
2759 cache_file_option="" ;;
2760 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
2761 cache_file_option="--cache-file=${cache_file}" ;;
2763 cache_file_option="--cache-file=../${cache_file}" ;;
2766 # Host dirs don't like to share a cache file either, horribly enough.
2767 # This seems to be due to autoconf 2.5x stupidity.
2768 host_configargs="$host_configargs --cache-file=./config.cache ${extra_host_args} ${baseargs}"
2770 target_configargs="$target_configargs ${tbaseargs}"
2772 # Passing a --with-cross-host argument lets the target libraries know
2773 # whether they are being built with a cross-compiler or being built
2774 # native. However, it would be better to use other mechanisms to make the
2775 # sorts of decisions they want to make on this basis. Please consider
2776 # this option to be deprecated. FIXME.
2777 if test x${is_cross_compiler} = xyes ; then
2778 target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}"
2781 # Default to --enable-multilib.
2782 if test x${enable_multilib} = x ; then
2783 target_configargs="--enable-multilib ${target_configargs}"
2786 # Pass --with-newlib if appropriate. Note that target_configdirs has
2787 # changed from the earlier setting of with_newlib.
2788 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
2789 target_configargs="--with-newlib ${target_configargs}"
2792 # Different target subdirs use different values of certain variables
2793 # (notably CXX). Worse, multilibs use *lots* of different values.
2794 # Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
2795 # it doesn't automatically accept command-line overrides of them.
2796 # This means it's not safe for target subdirs to share a cache file,
2797 # which is disgusting, but there you have it. Hopefully this can be
2798 # fixed in future. It's still worthwhile to use a cache file for each
2799 # directory. I think.
2801 # Pass the appropriate --build, --host, --target and --cache-file arguments.
2802 # We need to pass --target, as newer autoconf's requires consistency
2803 # for target_alias and gcc doesn't manage it consistently.
2804 target_configargs="--cache-file=./config.cache ${target_configargs}"
2807 case " $target_configdirs " in
2809 case " $target_configargs " in
2810 *" --with-newlib "*)
2813 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 $$s/winsup/w32api/include'
2817 # If we're not building GCC, don't discard standard headers.
2818 if test -d ${srcdir}/gcc; then
2819 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
2821 if test "${build}" != "${host}"; then
2822 # On Canadian crosses, CC_FOR_TARGET will have already been set
2823 # by `configure', so we won't have an opportunity to add -Bgcc/
2824 # to it. This is right: we don't want to search that directory
2825 # for binaries, but we want the header files in there, so add
2827 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include -isystem $$r/$(HOST_SUBDIR)/gcc/include-fixed'
2829 # Someone might think of using the pre-installed headers on
2830 # Canadian crosses, in case the installed compiler is not fully
2831 # compatible with the compiler being built. In this case, it
2832 # would be better to flag an error than risking having
2833 # incompatible object files being constructed. We can't
2834 # guarantee that an error will be flagged, but let's hope the
2835 # compiler will do it, when presented with incompatible header
2840 case "${target}-${is_cross_compiler}" in
2841 i[[3456789]]86-*-linux*-no)
2842 # Here host == target, so we don't need to build gcc,
2843 # so we don't want to discard standard headers.
2844 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
2847 # If we're building newlib, use its generic headers last, but search
2848 # for any libc-related directories first (so make it the last -B
2850 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
2852 # If we're building libgloss, find the startup file, simulator library
2853 # and linker script.
2854 case " $target_configdirs " in
2856 # Look for startup file, simulator library and maybe linker script.
2857 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/'"$libgloss_dir"
2858 # Look for libnosys.a in case the target needs it.
2859 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys'
2860 # Most targets have the linker script in the source directory.
2861 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$s/libgloss/'"$libgloss_dir"
2872 x86_64-*mingw* | *-w64-mingw*)
2873 # MinGW-w64 does not use newlib, nor does it use winsup. It may,
2874 # however, use a symlink named 'mingw' in ${prefix} .
2875 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L${prefix}/${target}/lib -L${prefix}/mingw/lib -isystem ${prefix}/${target}/include -isystem ${prefix}/mingw/include'
2878 # MinGW can't be handled as Cygwin above since it does not use newlib.
2879 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/mingw -L$$r/$(TARGET_SUBDIR)/winsup/w32api/lib -isystem $$s/winsup/mingw/include -isystem $$s/winsup/w32api/include'
2883 # Allow the user to override the flags for
2884 # our build compiler if desired.
2885 if test x"${build}" = x"${host}" ; then
2886 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
2887 CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}}
2888 LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}}
2891 # On Canadian crosses, we'll be searching the right directories for
2892 # the previously-installed cross compiler, so don't bother to add
2893 # flags for directories within the install tree of the compiler
2894 # being built; programs in there won't even run.
2895 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
2896 # Search for pre-installed headers if nothing else fits.
2897 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
2900 if test "x${use_gnu_ld}" = x &&
2901 echo " ${configdirs} " | grep " ld " > /dev/null ; then
2902 # Arrange for us to find uninstalled linker scripts.
2903 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld'
2906 # Search for other target-specific linker scripts and such.
2909 FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary"
2913 # Makefile fragments.
2914 for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
2916 eval fragval=\$$frag
2917 if test $fragval != /dev/null; then
2918 eval $frag=${srcdir}/$fragval
2921 AC_SUBST_FILE(host_makefile_frag)
2922 AC_SUBST_FILE(target_makefile_frag)
2923 AC_SUBST_FILE(alphaieee_frag)
2924 AC_SUBST_FILE(ospace_frag)
2926 # Miscellanea: directories, flags, etc.
2927 AC_SUBST(RPATH_ENVVAR)
2928 AC_SUBST(GCC_SHLIB_SUBDIR)
2930 AC_SUBST(build_tooldir)
2931 AC_SUBST(CONFIGURE_GDB_TK)
2933 AC_SUBST(INSTALL_GDB_TK)
2935 # Build module lists & subconfigure args.
2936 AC_SUBST(build_configargs)
2937 AC_SUBST(build_configdirs)
2939 # Host module lists & subconfigure args.
2940 AC_SUBST(host_configargs)
2941 AC_SUBST(configdirs)
2942 AC_SUBST(target_configdirs)
2944 # Target module lists & subconfigure args.
2945 AC_SUBST(target_configargs)
2949 AC_SUBST(AR_FOR_BUILD)
2950 AC_SUBST(AS_FOR_BUILD)
2951 AC_SUBST(CC_FOR_BUILD)
2952 AC_SUBST(CFLAGS_FOR_BUILD)
2953 AC_SUBST(CXXFLAGS_FOR_BUILD)
2954 AC_SUBST(CXX_FOR_BUILD)
2955 AC_SUBST(DLLTOOL_FOR_BUILD)
2956 AC_SUBST(GCJ_FOR_BUILD)
2957 AC_SUBST(GFORTRAN_FOR_BUILD)
2958 AC_SUBST(GOC_FOR_BUILD)
2959 AC_SUBST(LDFLAGS_FOR_BUILD)
2960 AC_SUBST(LD_FOR_BUILD)
2961 AC_SUBST(NM_FOR_BUILD)
2962 AC_SUBST(RANLIB_FOR_BUILD)
2963 AC_SUBST(WINDMC_FOR_BUILD)
2964 AC_SUBST(WINDRES_FOR_BUILD)
2966 # Generate default definitions for YACC, M4, LEX and other programs that run
2967 # on the build machine. These are used if the Makefile can't locate these
2968 # programs in objdir.
2969 MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
2971 AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
2972 case " $build_configdirs " in
2973 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;;
2976 AC_CHECK_PROGS([BISON], [bison], [$MISSING bison])
2977 case " $build_configdirs " in
2978 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;;
2981 AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4])
2982 case " $build_configdirs " in
2983 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;;
2986 AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex])
2987 case " $build_configdirs " in
2988 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
2989 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;;
2992 AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex])
2993 case " $build_configdirs " in
2994 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
2997 AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo])
2998 case " $build_configdirs " in
2999 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;;
3002 # For an installed makeinfo, we require it to be from texinfo 4.7 or
3003 # higher, else we use the "missing" dummy.
3004 if ${MAKEINFO} --version \
3005 | egrep 'texinfo[^0-9]*(4\.([7-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then
3008 MAKEINFO="$MISSING makeinfo"
3014 # FIXME: expect and dejagnu may become build tools?
3016 AC_CHECK_PROGS(EXPECT, expect, expect)
3017 case " $configdirs " in
3019 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect'
3023 AC_CHECK_PROGS(RUNTEST, runtest, runtest)
3024 case " $configdirs " in
3026 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest'
3032 NCN_STRICT_CHECK_TOOLS(AR, ar)
3033 NCN_STRICT_CHECK_TOOLS(AS, as)
3034 NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool)
3035 NCN_STRICT_CHECK_TOOLS(LD, ld)
3036 NCN_STRICT_CHECK_TOOLS(LIPO, lipo)
3037 NCN_STRICT_CHECK_TOOLS(NM, nm)
3038 NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, true)
3039 NCN_STRICT_CHECK_TOOLS(STRIP, strip, true)
3040 NCN_STRICT_CHECK_TOOLS(WINDRES, windres)
3041 NCN_STRICT_CHECK_TOOLS(WINDMC, windmc)
3042 NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy)
3043 NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump)
3050 AC_ARG_WITH([build-time-tools],
3051 [AS_HELP_STRING([--with-build-time-tools=PATH],
3052 [use given path to find target tools during the build])],
3053 [case x"$withval" in
3056 with_build_time_tools=
3057 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path])
3060 [with_build_time_tools=])
3062 NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc)
3063 NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx)
3064 NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET})
3065 NCN_STRICT_CHECK_TARGET_TOOLS(GCJ_FOR_TARGET, gcj)
3066 NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran)
3067 NCN_STRICT_CHECK_TARGET_TOOLS(GOC_FOR_TARGET, gccgo)
3069 ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar)
3070 ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as)
3071 ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
3072 ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld)
3073 ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo)
3074 ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm)
3075 ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump)
3076 ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib)
3077 ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip)
3078 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
3079 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc)
3081 RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET"
3083 GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar])
3084 GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new])
3085 GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3086 dnl see comments for CXX_FOR_TARGET_FLAG_TO_PASS
3087 GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX,
3088 [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$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs],
3090 GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX,
3091 [gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs],
3093 GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool])
3094 GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3095 GCC_TARGET_TOOL(gcj, GCJ_FOR_TARGET, GCJ,
3096 [gcc/gcj -B$$r/$(HOST_SUBDIR)/gcc/], java)
3097 GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN,
3098 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran)
3099 GCC_TARGET_TOOL(gccgo, GOC_FOR_TARGET, GOC,
3100 [gcc/gccgo -B$$r/$(HOST_SUBDIR)/gcc/], go)
3101 GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new])
3102 GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO)
3103 GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new])
3104 GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump])
3105 GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib])
3106 GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip-new])
3107 GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres])
3108 GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc])
3110 AC_SUBST(FLAGS_FOR_TARGET)
3111 AC_SUBST(RAW_CXX_FOR_TARGET)
3113 # Certain tools may need extra flags.
3114 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
3115 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
3116 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
3118 # When building target libraries, except in a Canadian cross, we use
3119 # the same toolchain as the compiler we just built.
3120 COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)'
3121 COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)'
3122 COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)'
3123 if test $host = $build; then
3124 case " $configdirs " in
3126 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as'
3127 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld'
3128 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target}
3133 AC_SUBST(COMPILER_AS_FOR_TARGET)
3134 AC_SUBST(COMPILER_LD_FOR_TARGET)
3135 AC_SUBST(COMPILER_NM_FOR_TARGET)
3137 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
3138 AC_ARG_ENABLE(maintainer-mode,
3139 [AS_HELP_STRING([--enable-maintainer-mode],
3140 [enable make rules and dependencies not useful
3141 (and sometimes confusing) to the casual installer])],
3142 USE_MAINTAINER_MODE=$enableval,
3143 USE_MAINTAINER_MODE=no)
3144 AC_MSG_RESULT($USE_MAINTAINER_MODE)
3145 AC_SUBST(MAINTAINER_MODE_TRUE)
3146 AC_SUBST(MAINTAINER_MODE_FALSE)
3147 if test "$USE_MAINTAINER_MODE" = yes; then
3148 MAINTAINER_MODE_TRUE=
3149 MAINTAINER_MODE_FALSE='#'
3151 MAINTAINER_MODE_TRUE='#'
3152 MAINTAINER_MODE_FALSE=
3154 MAINT=$MAINTAINER_MODE_TRUE
3157 # ---------------------
3158 # GCC bootstrap support
3159 # ---------------------
3161 # Stage specific cflags for build.
3166 yes) stage1_cflags="-g -Wa,-J" ;;
3167 *) stage1_cflags="-g -J" ;;
3171 # This is aimed to mimic bootstrap with a non-GCC compiler to catch problems.
3172 if test "$GCC" = yes -a "$ENABLE_BUILD_WITH_CXX" != yes; then
3173 saved_CFLAGS="$CFLAGS"
3175 # Pass -fkeep-inline-functions for stage 1 if the GCC version supports it.
3176 CFLAGS="$CFLAGS -fkeep-inline-functions"
3177 AC_MSG_CHECKING([whether -fkeep-inline-functions is supported])
3179 #if (__GNUC__ < 3) \
3180 || (__GNUC__ == 3 && (__GNUC_MINOR__ < 3 \
3181 || (__GNUC_MINOR__ == 3 && __GNUC_PATCHLEVEL__ < 1)))
3182 #error http://gcc.gnu.org/PR29382
3185 [AC_MSG_RESULT([yes]); stage1_cflags="$stage1_cflags -fkeep-inline-functions"],
3186 [AC_MSG_RESULT([no])])
3188 CFLAGS="$saved_CFLAGS"
3191 AC_SUBST(stage1_cflags)
3193 # Enable --enable-checking in stage1 of the compiler.
3194 AC_ARG_ENABLE(stage1-checking,
3195 [AS_HELP_STRING([[--enable-stage1-checking[=all]]],
3196 [choose additional checking for stage1 of the compiler])],
3197 [stage1_checking=--enable-checking=${enable_stage1_checking}],
3198 [if test "x$enable_checking" = xno || test "x$enable_checking" = x; then
3199 stage1_checking=--enable-checking=yes,types
3201 stage1_checking=--enable-checking=$enable_checking,types
3203 AC_SUBST(stage1_checking)
3205 # Enable -Werror in bootstrap stage2 and later.
3206 AC_ARG_ENABLE(werror,
3207 [AS_HELP_STRING([--enable-werror],
3208 [enable -Werror in bootstrap stage2 and later])], [],
3209 [if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then
3214 case ${enable_werror} in
3215 yes) stage2_werror_flag="--enable-werror-always" ;;
3216 *) stage2_werror_flag="" ;;
3218 AC_SUBST(stage2_werror_flag)
3220 # If using ENABLE_BUILD_POSTSTAGE1_WITH_CXX, pass
3221 # --enable-build-with-cxx after stage1.
3222 if test "$ENABLE_BUILD_POSTSTAGE1_WITH_CXX" = "yes"; then
3223 POSTSTAGE1_CONFIGURE_FLAGS=--enable-build-with-cxx
3225 POSTSTAGE1_CONFIGURE_FLAGS=
3227 AC_SUBST(POSTSTAGE1_CONFIGURE_FLAGS)
3229 # Specify what files to not compare during bootstrap.
3231 compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*"
3233 hppa*64*-*-hpux*) ;;
3234 hppa*-*-hpux*) compare_exclusions="gcc/cc*-checksum\$(objext) | */libgcc/lib2funcs* | gcc/ada/*tools/*" ;;
3236 case " $configdirs " in
3237 *" ppl "*) compare_exclusions="$compare_exclusions | ppl/src/ppl-config.o" ;;
3239 AC_SUBST(compare_exclusions)
3241 AC_CONFIG_FILES([Makefile],
3242 [sed "$extrasub_build" Makefile |
3243 sed "$extrasub_host" |
3244 sed "$extrasub_target" > mf$$
3245 mv -f mf$$ Makefile],
3246 [extrasub_build="$extrasub_build"
3247 extrasub_host="$extrasub_host"
3248 extrasub_target="$extrasub_target"])
projects / gcc.git / blob