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 \
169 # these tools are built using the target libraries, and are intended to
170 # run only in the target environment
172 # note: any program that *uses* libraries that are in the "target_libraries"
173 # list belongs in this list.
175 target_tools="target-rda"
177 ################################################################################
179 ## All tools belong in one of the four categories, and are assigned above
180 ## We assign ${configdirs} this way to remove all embedded newlines. This
181 ## is important because configure will choke if they ever get through.
182 ## ${configdirs} is directories we build using the host tools.
183 ## ${target_configdirs} is directories we build using the target tools.
184 configdirs=`echo ${host_libs} ${host_tools}`
185 target_configdirs=`echo ${target_libraries} ${target_tools}`
186 build_configdirs=`echo ${build_libs} ${build_tools}`
188 m4_divert_text([PARSE_ARGS],
191 m4_pushdef([AS_MESSAGE_LOG_FD], [])dnl
192 AC_MSG_ERROR([path to source, $srcdir, contains spaces])
193 m4_popdef([AS_MESSAGE_LOG_FD])dnl
196 ac_subdirs_all=`cd $srcdir && echo */configure | sed 's,/configure,,g'`
199 ################################################################################
201 srcname="gnu development package"
203 # This gets set non-empty for some net releases of packages.
206 # Define is_cross_compiler to save on calls to 'test'.
208 if test x"${host}" = x"${target}" ; then
211 is_cross_compiler=yes
214 # Find the build and target subdir names.
216 # Be sure to cover against remnants of an in-tree build.
217 if test $srcdir != . && test -d $srcdir/host-${host_noncanonical}; then
218 AC_MSG_ERROR([building out of tree but $srcdir contains host-${host_noncanonical}.
219 Use a pristine source tree when building in a separate tree])
222 # Skipdirs are removed silently.
224 # Noconfigdirs are removed loudly.
228 # Make sure we don't let GNU ld be added if we didn't want it.
229 if test x$with_gnu_ld = xno ; then
231 noconfigdirs="$noconfigdirs ld gold"
235 # Make sure we don't let GNU as be added if we didn't want it.
236 if test x$with_gnu_as = xno ; then
238 noconfigdirs="$noconfigdirs gas"
242 # Make sure we don't let ZLIB be added if we didn't want it.
243 if test x$with_system_zlib = xyes ; then
245 noconfigdirs="$noconfigdirs zlib"
248 # some tools are so dependent upon X11 that if we're not building with X,
249 # it's not even worth trying to configure, much less build, that tool.
252 yes | "") ;; # the default value for this tree is that X11 is available
254 skipdirs="${skipdirs} tk itcl libgui"
255 # We won't be able to build gdbtk without X.
258 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
261 # Some are only suitable for cross toolchains.
262 # Remove these if host=target.
263 cross_only="target-libgloss target-newlib target-opcodes"
265 case $is_cross_compiler in
266 no) skipdirs="${skipdirs} ${cross_only}" ;;
269 # If both --with-headers and --with-libs are specified, default to
271 if test x"${with_headers}" != x && test x"${with_headers}" != xno \
272 && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
273 if test x"${with_newlib}" = x ; then
278 # Recognize --with-newlib/--without-newlib.
279 case ${with_newlib} in
280 no) skipdirs="${skipdirs} target-newlib" ;;
281 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
284 # Handle --enable-gold, --enable-ld.
285 # --disable-gold [--enable-ld]
286 # Build only ld. Default option.
287 # --enable-gold [--enable-ld]
288 # Build both gold and ld. Install gold as "ld.gold", install ld
289 # as "ld.bfd" and "ld".
290 # --enable-gold=default [--enable-ld]
291 # Build both gold and ld. Install gold as "ld.gold" and "ld",
292 # install ld as "ld.bfd".
293 # --enable-gold[=default] --disable-ld
294 # Build only gold, which is then installed as both "ld.gold" and "ld".
295 # --enable-gold --enable-ld=default
296 # Build both gold (installed as "ld.gold") and ld (installed as "ld"
298 # In other words, ld is default
299 # --enable-gold=default --enable-ld=default
304 [AS_HELP_STRING([[--enable-gold[=ARG]]],
305 [build gold @<:@ARG={default,yes,no}@:>@])],
306 ENABLE_GOLD=$enableval,
308 case "${ENABLE_GOLD}" in
310 # Check for ELF target.
313 *-*-elf* | *-*-sysv4* | *-*-unixware* | *-*-eabi* | hppa*64*-*-hpux* \
314 | *-*-linux* | frv-*-uclinux* | *-*-irix5* | *-*-irix6* \
315 | *-*-netbsd* | *-*-openbsd* | *-*-freebsd* | *-*-dragonfly* \
316 | *-*-solaris2* | *-*-nto*)
318 *-*-linux*aout* | *-*-linux*oldld*)
326 if test "$is_elf" = "yes"; then
327 # Check for target supported by gold.
329 i?86-*-* | x86_64-*-* | sparc*-*-* | powerpc*-*-* | arm*-*-*)
330 configdirs="$configdirs gold"
331 if test x${ENABLE_GOLD} = xdefault; then
342 AC_MSG_ERROR([invalid --enable-gold argument])
347 [AS_HELP_STRING([[--enable-ld[=ARG]]],
348 [build ld @<:@ARG={default,yes,no}@:>@])],
349 ENABLE_LD=$enableval,
352 case "${ENABLE_LD}" in
354 if test x${default_ld} != x; then
355 AC_MSG_ERROR([either gold or ld can be the default ld])
361 if test x${ENABLE_GOLD} != xyes; then
362 AC_MSG_WARN([neither ld nor gold are enabled])
364 configdirs=`echo " ${configdirs} " | sed -e 's/ ld / /'`
367 AC_MSG_ERROR([invalid --enable-ld argument])
371 # Configure extra directories which are host specific
375 configdirs="$configdirs libtermcap" ;;
378 # A target can indicate whether a language isn't supported for some reason.
379 # Only spaces may be used in this macro; not newlines or tabs.
380 unsupported_languages=
382 # Remove more programs from consideration, based on the host or
383 # target this usually means that a port of the program doesn't
387 i[[3456789]]86-*-msdosdjgpp*)
388 noconfigdirs="$noconfigdirs tcl tk itcl"
393 AC_ARG_ENABLE(libquadmath,
394 AS_HELP_STRING([--disable-libquadmath],
395 [do not build libquadmath directory]),
396 ENABLE_LIBQUADMATH=$enableval,
397 ENABLE_LIBQUADMATH=yes)
398 if test "${ENABLE_LIBQUADMATH}" = "no" ; then
399 noconfigdirs="$noconfigdirs target-libquadmath"
403 AC_ARG_ENABLE(libquadmath-support,
404 AS_HELP_STRING([--disable-libquadmath-support],
405 [disable libquadmath support for Fortran]),
406 ENABLE_LIBQUADMATH_SUPPORT=$enableval,
407 ENABLE_LIBQUADMATH_SUPPORT=yes)
408 enable_libquadmath_support=
409 if test "${ENABLE_LIBQUADMATH_SUPPORT}" = "no" ; then
410 enable_libquadmath_support=no
414 AC_ARG_ENABLE(libada,
415 [AS_HELP_STRING([--enable-libada], [build libada directory])],
416 ENABLE_LIBADA=$enableval,
418 if test "${ENABLE_LIBADA}" != "yes" ; then
419 noconfigdirs="$noconfigdirs gnattools"
422 AC_ARG_ENABLE(libssp,
423 [AS_HELP_STRING([--enable-libssp], [build libssp directory])],
424 ENABLE_LIBSSP=$enableval,
427 # Save it here so that, even in case of --enable-libgcj, if the Java
428 # front-end isn't enabled, we still get libgcj disabled.
430 case $enable_libgcj in
432 # If we reset it here, it won't get added to noconfigdirs in the
433 # target-specific build rules, so it will be forcibly enabled
434 # (unless the Java language itself isn't enabled).
438 # Make sure we get it printed in the list of not supported target libs.
439 # Don't disable libffi, though, other languages use it.
440 noconfigdirs="$noconfigdirs `echo ${libgcj} | sed -e 's/target-libffi//'`"
441 # Clear libgcj_saved so that even if java is enabled libffi won't be
448 # Disable libmudflap on some systems.
449 if test x$enable_libmudflap = x ; then
451 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | bfin*-*-uclinux* | *-*-kopensolaris*-gnu)
452 # Enable libmudflap by default in GNU and friends.
455 # Enable libmudflap by default in FreeBSD.
458 # Disable it by default everywhere else.
459 noconfigdirs="$noconfigdirs target-libmudflap"
466 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
468 *-*-netbsd* | *-*-freebsd* | *-*-openbsd* | *-*-dragonfly*)
470 *-*-solaris2* | *-*-irix6* | *-*-osf* | *-*-hpux11*)
472 *-*-darwin* | *-*-aix*)
479 # Enable libgomp by default on POSIX hosted systems.
480 if test x$enable_libgomp = x -a $posix_based_os = "no" ; then
481 # Disable libgomp on non POSIX hosted systems.
482 noconfigdirs="$noconfigdirs target-libgomp"
485 # Enable libupc by default on POSIX hosted systems.
486 if test x$enable_libupc = x -a $posix_based_os = "no" ; then
487 # Disable libupc on non POSIX hosted systems.
488 noconfigdirs="$noconfigdirs target-libupc"
491 # Disable libssp for some systems.
494 # No hosted I/O support.
495 noconfigdirs="$noconfigdirs target-libssp"
497 powerpc-*-aix* | rs6000-*-aix*)
498 noconfigdirs="$noconfigdirs target-libssp"
502 # Disable libstdc++-v3 for some systems.
505 # VxWorks uses the Dinkumware C++ library.
506 noconfigdirs="$noconfigdirs target-libstdc++-v3"
509 # the C++ libraries don't build on top of CE's C libraries
510 noconfigdirs="$noconfigdirs target-libstdc++-v3"
513 noconfigdirs="$noconfigdirs target-libstdc++-v3"
517 # Disable Fortran for some systems.
520 # See <http://gcc.gnu.org/ml/gcc-patches/2004-11/msg00572.html>.
521 unsupported_languages="$unsupported_languages fortran"
525 # Disable Java if libffi is not supported.
547 mips-sgi-irix6.* | mips*-*-rtems*)
555 powerpc-*-aix* | rs6000-*-aix*)
559 powerpc64-*-freebsd*)
563 s390-*-* | s390x-*-*)
565 sh-*-* | sh[[34]]*-*-*)
574 unsupported_languages="$unsupported_languages java"
578 # Disable Java, libgcj or related libraries for some systems.
582 i[[3456789]]86-*-darwin*)
584 x86_64-*-darwin[[912]]*)
587 noconfigdirs="$noconfigdirs ${libgcj}"
590 noconfigdirs="$noconfigdirs ${libgcj}"
593 noconfigdirs="$noconfigdirs ${libgcj}"
596 noconfigdirs="$noconfigdirs ${libgcj}"
599 noconfigdirs="$noconfigdirs ${libgcj}"
602 noconfigdirs="$noconfigdirs ${libgcj}"
605 noconfigdirs="$noconfigdirs ${libgcj}"
608 noconfigdirs="$noconfigdirs ${libgcj}"
611 noconfigdirs="$noconfigdirs ${libgcj}"
614 noconfigdirs="$noconfigdirs target-boehm-gc"
616 cris-*-* | crisv32-*-*)
617 unsupported_languages="$unsupported_languages java"
621 *) # See PR46792 regarding target-libffi.
622 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";;
626 # In this case, it's because the hppa64-linux target is for
627 # the kernel only at this point and has no libc, and thus no
628 # headers, crt*.o, etc., all of which are needed by these.
629 unsupported_languages="$unsupported_languages java"
632 noconfigdirs="$noconfigdirs ${libgcj}"
637 # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
638 # build on HP-UX 10.20.
639 noconfigdirs="$noconfigdirs ${libgcj}"
642 noconfigdirs="$noconfigdirs ${libgcj}"
644 i[[3456789]]86-w64-mingw*)
645 noconfigdirs="$noconfigdirs ${libgcj}"
647 i[[3456789]]86-*-mingw*)
648 noconfigdirs="$noconfigdirs ${libgcj}"
651 noconfigdirs="$noconfigdirs ${libgcj}"
654 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc"
657 # copied from rs6000-*-* entry
658 noconfigdirs="$noconfigdirs ${libgcj}"
661 noconfigdirs="$noconfigdirs ${libgcj}"
664 # Linking libjava exceeds command-line length limits on at least
665 # IRIX 6.2, but not on IRIX 6.5.
666 # Also, boehm-gc won't build on IRIX 6.5, according to Jeffrey Oldham
667 # <oldham@codesourcery.com>
668 noconfigdirs="$noconfigdirs ${libgcj}"
671 noconfigdirs="$noconfigdirs ${libgcj}"
675 # Default libgloss CPU subdirectory.
676 libgloss_dir="$target_cpu"
679 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
685 cris-*-* | crisv32-*-*)
694 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
711 # Disable newlib and libgloss for various target OSes.
714 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
716 i[[3456789]]86-*-linux*)
717 # This section makes it possible to build newlib natively on linux.
718 # If we are using a cross compiler then don't configure newlib.
719 if test x${is_cross_compiler} != xno ; then
720 noconfigdirs="$noconfigdirs target-newlib"
722 noconfigdirs="$noconfigdirs target-libgloss"
723 # If we are not using a cross compiler, do configure newlib.
724 # Note however, that newlib will only be configured in this situation
725 # if the --with-newlib option has been given, because otherwise
726 # 'target-newlib' will appear in skipdirs.
728 i[[3456789]]86-*-rdos*)
729 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
731 sh*-*-pe|mips*-*-pe|arm-wince-pe)
732 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
735 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
738 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
741 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
744 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
747 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
750 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
752 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
753 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
756 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
759 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
762 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
765 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
768 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
771 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
774 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
782 noconfigdirs="$noconfigdirs ld gas gdb gprof"
783 noconfigdirs="$noconfigdirs sim target-rda"
785 i[[3456789]]86-*-darwin*)
786 noconfigdirs="$noconfigdirs ld gprof"
787 noconfigdirs="$noconfigdirs sim target-rda"
789 x86_64-*-darwin[[912]]*)
790 noconfigdirs="$noconfigdirs ld gas gprof"
791 noconfigdirs="$noconfigdirs sim target-rda"
794 noconfigdirs="$noconfigdirs ld gas gdb gprof"
795 noconfigdirs="$noconfigdirs sim target-rda"
800 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
801 && test -f /usr/local/include/gmp.h; then
806 # Remove unsupported stuff on all kaOS configurations.
807 noconfigdirs="$noconfigdirs target-libgloss"
814 noconfigdirs="$noconfigdirs target-libgloss"
816 # The tpf target doesn't support gdb yet.
818 noconfigdirs="$noconfigdirs gdb tcl tk libgui itcl"
821 noconfigdirs="$noconfigdirs target-rda"
826 # ld works, but does not support shared libraries.
827 # gas doesn't generate exception information.
828 noconfigdirs="$noconfigdirs gas ld"
831 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
834 # newlib is not 64 bit ready
835 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
837 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
838 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
841 noconfigdirs="$noconfigdirs target-libgloss"
844 noconfigdirs="$noconfigdirs target-libgloss"
847 noconfigdirs="$noconfigdirs ld target-libgloss"
850 noconfigdirs="$noconfigdirs target-libgloss"
853 noconfigdirs="$noconfigdirs target-libgloss gdb"
856 noconfigdirs="$noconfigdirs gdb"
859 noconfigdirs="$noconfigdirs target-libgloss"
862 noconfigdirs="$noconfigdirs gdb"
865 noconfigdirs="$noconfigdirs gdb"
868 noconfigdirs="$noconfigdirs gprof"
871 noconfigdirs="$noconfigdirs target-libgloss"
874 noconfigdirs="$noconfigdirs target-libgloss"
876 hppa1.1-*-osf* | hppa1.1-*-bsd* )
888 noconfigdirs="$noconfigdirs ld"
893 noconfigdirs="$noconfigdirs ld"
896 noconfigdirs="$noconfigdirs gdb"
899 # No gdb support yet.
900 noconfigdirs="$noconfigdirs readline libgui itcl gdb"
904 noconfigdirs="$noconfigdirs libgui itcl ld"
907 # No gdb or ld support yet.
908 noconfigdirs="$noconfigdirs readline libgui itcl gdb ld"
910 i[[3456789]]86-w64-mingw*)
912 i[[3456789]]86-*-mingw*)
913 target_configdirs="$target_configdirs target-winsup"
916 target_configdirs="$target_configdirs target-libtermcap target-winsup"
917 noconfigdirs="$noconfigdirs target-libgloss"
918 # always build newlib if winsup directory is present.
919 if test -d "$srcdir/winsup/cygwin"; then
920 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
921 elif test -d "$srcdir/newlib"; then
922 echo "Warning: winsup/cygwin is missing so newlib can't be built."
926 noconfigdirs="$noconfigdirs target-libgloss"
928 i[[3456789]]86-*-sco3.2v5*)
929 # The linker does not yet know about weak symbols in COFF,
930 # and is not configured to handle mixed ELF and COFF.
931 noconfigdirs="$noconfigdirs ld target-libgloss"
933 i[[3456789]]86-*-sco*)
934 noconfigdirs="$noconfigdirs gprof target-libgloss"
936 i[[3456789]]86-*-solaris2*)
937 noconfigdirs="$noconfigdirs target-libgloss"
939 i[[3456789]]86-*-sysv4*)
940 noconfigdirs="$noconfigdirs target-libgloss"
942 i[[3456789]]86-*-beos*)
943 noconfigdirs="$noconfigdirs gdb"
945 i[[3456789]]86-*-rdos*)
946 noconfigdirs="$noconfigdirs gdb"
949 noconfigdirs="$noconfigdirs gdb"
952 noconfigdirs="$noconfigdirs sim"
955 # copied from rs6000-*-* entry
956 noconfigdirs="$noconfigdirs gprof"
958 powerpc*-*-winnt* | powerpc*-*-pe*)
959 target_configdirs="$target_configdirs target-winsup"
960 noconfigdirs="$noconfigdirs gdb tcl tk target-libgloss itcl"
961 # always build newlib.
962 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
964 # This is temporary until we can link against shared libraries
965 powerpcle-*-solaris*)
966 noconfigdirs="$noconfigdirs gdb sim tcl tk itcl"
969 noconfigdirs="$noconfigdirs gdb"
972 noconfigdirs="$noconfigdirs gprof"
975 noconfigdirs="$noconfigdirs gprof"
978 noconfigdirs="$noconfigdirs gprof"
981 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss"
984 noconfigdirs="$noconfigdirs gprof"
987 if test x$with_newlib = xyes; then
988 noconfigdirs="$noconfigdirs gprof"
992 noconfigdirs="$noconfigdirs gprof target-libgloss"
995 noconfigdirs="$noconfigdirs gprof target-libgloss"
998 noconfigdirs="$noconfigdirs gprof target-libgloss"
1003 noconfigdirs="$noconfigdirs gprof"
1010 noconfigdirs="$noconfigdirs target-libgloss" ;;
1014 if test x${is_cross_compiler} = xno ; then
1019 noconfigdirs="$noconfigdirs gdb sim"
1021 tilepro-*-* | tilegx-*-*)
1022 noconfigdirs="$noconfigdirs sim"
1025 noconfigdirs="$noconfigdirs bfd binutils gas gdb ld opcodes target-libgloss"
1028 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1032 # If we aren't building newlib, then don't build libgloss, since libgloss
1033 # depends upon some newlib header files.
1034 case "${noconfigdirs}" in
1035 *target-libgloss*) ;;
1036 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
1039 # Work in distributions that contain no compiler tools, like Autoconf.
1040 host_makefile_frag=/dev/null
1041 if test -d ${srcdir}/config ; then
1043 i[[3456789]]86-*-msdosdjgpp*)
1044 host_makefile_frag="config/mh-djgpp"
1047 ACX_CHECK_CYGWIN_CAT_WORKS
1048 host_makefile_frag="config/mh-cygwin"
1051 host_makefile_frag="config/mh-mingw"
1054 host_makefile_frag="config/mh-interix"
1057 host_makefile_frag="config/mh-pa-hpux10"
1060 host_makefile_frag="config/mh-pa"
1063 host_makefile_frag="config/mh-pa"
1066 host_makefile_frag="config/mh-darwin"
1069 host_makefile_frag="config/mh-ppc-aix"
1072 host_makefile_frag="config/mh-ppc-aix"
1077 if test "${build}" != "${host}" ; then
1078 AR_FOR_BUILD=${AR_FOR_BUILD-ar}
1079 AS_FOR_BUILD=${AS_FOR_BUILD-as}
1080 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
1081 CXX_FOR_BUILD=${CXX_FOR_BUILD-g++}
1082 GCJ_FOR_BUILD=${GCJ_FOR_BUILD-gcj}
1083 GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran}
1084 GOC_FOR_BUILD=${GOC_FOR_BUILD-gccgo}
1085 DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool}
1086 LD_FOR_BUILD=${LD_FOR_BUILD-ld}
1087 NM_FOR_BUILD=${NM_FOR_BUILD-nm}
1088 RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib}
1089 WINDRES_FOR_BUILD=${WINDRES_FOR_BUILD-windres}
1090 WINDMC_FOR_BUILD=${WINDMC_FOR_BUILD-windmc}
1092 AR_FOR_BUILD="\$(AR)"
1093 AS_FOR_BUILD="\$(AS)"
1094 CC_FOR_BUILD="\$(CC)"
1095 CXX_FOR_BUILD="\$(CXX)"
1096 GCJ_FOR_BUILD="\$(GCJ)"
1097 GFORTRAN_FOR_BUILD="\$(GFORTRAN)"
1098 GOC_FOR_BUILD="\$(GOC)"
1099 DLLTOOL_FOR_BUILD="\$(DLLTOOL)"
1100 LD_FOR_BUILD="\$(LD)"
1101 NM_FOR_BUILD="\$(NM)"
1102 RANLIB_FOR_BUILD="\$(RANLIB)"
1103 WINDRES_FOR_BUILD="\$(WINDRES)"
1104 WINDMC_FOR_BUILD="\$(WINDMC)"
1110 # We must set the default linker to the linker used by gcc for the correct
1111 # operation of libtool. If LD is not defined and we are using gcc, try to
1112 # set the LD default to the ld used by gcc.
1113 if test -z "$LD"; then
1114 if test "$GCC" = yes; then
1117 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1119 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1121 case $gcc_prog_ld in
1122 # Accept absolute paths.
1123 [[\\/]* | [A-Za-z]:[\\/]*)]
1124 LD="$gcc_prog_ld" ;;
1130 ACX_PROG_CMP_IGNORE_INITIAL
1132 # See if we are building gcc with C++.
1133 AC_ARG_ENABLE(build-with-cxx,
1134 [AS_HELP_STRING([--enable-build-with-cxx],
1135 [build with C++ compiler instead of C compiler])],
1136 ENABLE_BUILD_WITH_CXX=$enableval,
1137 ENABLE_BUILD_WITH_CXX=no)
1139 # Used for setting $lt_cv_objdir
1142 # Check for GMP, MPFR and MPC
1143 gmplibs="-lmpc -lmpfr -lgmp"
1147 # Specify a location for mpc
1148 # check for this first so it ends up on the link line before mpfr.
1150 [AS_HELP_STRING([--with-mpc=PATH],
1151 [specify prefix directory for installed MPC package.
1152 Equivalent to --with-mpc-include=PATH/include
1153 plus --with-mpc-lib=PATH/lib])])
1154 AC_ARG_WITH(mpc-include,
1155 [AS_HELP_STRING([--with-mpc-include=PATH],
1156 [specify directory for installed MPC include files])])
1157 AC_ARG_WITH(mpc-lib,
1158 [AS_HELP_STRING([--with-mpc-lib=PATH],
1159 [specify directory for the installed MPC library])])
1161 if test "x$with_mpc" != x; then
1162 gmplibs="-L$with_mpc/lib $gmplibs"
1163 gmpinc="-I$with_mpc/include $gmpinc"
1165 if test "x$with_mpc_include" != x; then
1166 gmpinc="-I$with_mpc_include $gmpinc"
1168 if test "x$with_mpc_lib" != x; then
1169 gmplibs="-L$with_mpc_lib $gmplibs"
1171 if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then
1172 gmplibs='-L$$r/$(HOST_SUBDIR)/mpc/src/'"$lt_cv_objdir $gmplibs"
1173 gmpinc='-I$$s/mpc/src '"$gmpinc"
1174 # Do not test the mpc version. Assume that it is sufficient, since
1175 # it is in the source tree, and the library has not been built yet
1176 # but it would be included on the link line in the version check below
1177 # hence making the test fail.
1181 # Specify a location for mpfr
1182 # check for this first so it ends up on the link line before gmp.
1183 AC_ARG_WITH(mpfr-dir,
1184 [AS_HELP_STRING([--with-mpfr-dir=PATH], [this option has been REMOVED])],
1185 [AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed.
1186 Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH])])
1189 [AS_HELP_STRING([--with-mpfr=PATH],
1190 [specify prefix directory for installed MPFR package.
1191 Equivalent to --with-mpfr-include=PATH/include
1192 plus --with-mpfr-lib=PATH/lib])])
1193 AC_ARG_WITH(mpfr-include,
1194 [AS_HELP_STRING([--with-mpfr-include=PATH],
1195 [specify directory for installed MPFR include files])])
1196 AC_ARG_WITH(mpfr-lib,
1197 [AS_HELP_STRING([--with-mpfr-lib=PATH],
1198 [specify directory for the installed MPFR library])])
1200 if test "x$with_mpfr" != x; then
1201 gmplibs="-L$with_mpfr/lib $gmplibs"
1202 gmpinc="-I$with_mpfr/include $gmpinc"
1204 if test "x$with_mpfr_include" != x; then
1205 gmpinc="-I$with_mpfr_include $gmpinc"
1207 if test "x$with_mpfr_lib" != x; then
1208 gmplibs="-L$with_mpfr_lib $gmplibs"
1210 if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then
1211 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir $gmplibs"
1212 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr -I$$s/mpfr '"$gmpinc"
1213 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir"
1214 # Do not test the mpfr version. Assume that it is sufficient, since
1215 # it is in the source tree, and the library has not been built yet
1216 # but it would be included on the link line in the version check below
1217 # hence making the test fail.
1221 # Specify a location for gmp
1222 AC_ARG_WITH(gmp-dir,
1223 [AS_HELP_STRING([--with-gmp-dir=PATH], [this option has been REMOVED])],
1224 [AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed.
1225 Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH])])
1228 [AS_HELP_STRING([--with-gmp=PATH],
1229 [specify prefix directory for the installed GMP package.
1230 Equivalent to --with-gmp-include=PATH/include
1231 plus --with-gmp-lib=PATH/lib])])
1232 AC_ARG_WITH(gmp-include,
1233 [AS_HELP_STRING([--with-gmp-include=PATH],
1234 [specify directory for installed GMP include files])])
1235 AC_ARG_WITH(gmp-lib,
1236 [AS_HELP_STRING([--with-gmp-lib=PATH],
1237 [specify directory for the installed GMP library])])
1240 if test "x$with_gmp" != x; then
1241 gmplibs="-L$with_gmp/lib $gmplibs"
1242 gmpinc="-I$with_gmp/include $gmpinc"
1244 if test "x$with_gmp_include" != x; then
1245 gmpinc="-I$with_gmp_include $gmpinc"
1247 if test "x$with_gmp_lib" != x; then
1248 gmplibs="-L$with_gmp_lib $gmplibs"
1250 if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then
1251 gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir $gmplibs"
1252 gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc"
1253 extra_mpfr_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
1254 extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
1255 # Do not test the gmp version. Assume that it is sufficient, since
1256 # it is in the source tree, and the library has not been built yet
1257 # but it would be included on the link line in the version check below
1258 # hence making the test fail.
1262 if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then
1264 saved_CFLAGS="$CFLAGS"
1265 CFLAGS="$CFLAGS $gmpinc"
1266 # Check for the recommended and required versions of GMP.
1267 AC_MSG_CHECKING([for the correct version of gmp.h])
1268 AC_TRY_COMPILE([#include "gmp.h"],[
1269 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1270 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1271 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,0)
1274 ], [AC_TRY_COMPILE([#include <gmp.h>],[
1275 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1276 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1277 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,3,2)
1280 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1281 [AC_MSG_RESULT([no]); have_gmp=no])
1283 # If we have GMP, check the MPFR version.
1284 if test x"$have_gmp" = xyes; then
1285 # Check for the recommended and required versions of MPFR.
1286 AC_MSG_CHECKING([for the correct version of mpfr.h])
1287 AC_TRY_COMPILE([#include <gmp.h>
1288 #include <mpfr.h>],[
1289 #if MPFR_VERSION < MPFR_VERSION_NUM(2,3,1)
1292 ], [AC_TRY_COMPILE([#include <gmp.h>
1293 #include <mpfr.h>],[
1294 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,2)
1297 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1298 [AC_MSG_RESULT([no]); have_gmp=no])
1301 # Check for the MPC header version.
1302 if test x"$have_gmp" = xyes ; then
1303 # Check for the recommended and required versions of MPC.
1304 AC_MSG_CHECKING([for the correct version of mpc.h])
1305 AC_TRY_COMPILE([#include <mpc.h>],[
1306 #if MPC_VERSION < MPC_VERSION_NUM(0,8,0)
1309 ], [AC_TRY_COMPILE([#include <mpc.h>],[
1310 #if MPC_VERSION < MPC_VERSION_NUM(0,8,1)
1313 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1314 [AC_MSG_RESULT([no]); have_gmp=no])
1317 # Now check the MPFR library.
1318 if test x"$have_gmp" = xyes; then
1320 LIBS="$LIBS $gmplibs"
1321 AC_MSG_CHECKING([for the correct version of the gmp/mpfr/mpc libraries])
1322 AC_TRY_LINK([#include <mpc.h>],[
1329 mpfr_atan2 (n, n, x, GMP_RNDN);
1330 mpfr_erfc (n, x, GMP_RNDN);
1331 mpfr_subnormalize (x, t, GMP_RNDN);
1335 mpc_set_ui_ui (c, 1, 1, MPC_RNDNN);
1336 mpc_cosh (c, c, MPC_RNDNN);
1337 mpc_pow (c, c, c, MPC_RNDNN);
1338 mpc_acosh (c, c, MPC_RNDNN);
1340 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1344 CFLAGS="$saved_CFLAGS"
1346 # The library versions listed in the error message below should match
1347 # the HARD-minimums enforced above.
1348 if test x$have_gmp != xyes; then
1349 AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 2.3.1+ and MPC 0.8.0+.
1350 Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify
1351 their locations. Source code for these libraries can be found at
1352 their respective hosting sites as well as at
1353 ftp://gcc.gnu.org/pub/gcc/infrastructure/. See also
1354 http://gcc.gnu.org/install/prerequisites.html for additional info. If
1355 you obtained GMP, MPFR and/or MPC from a vendor distribution package,
1356 make sure that you have installed both the libraries and the header
1357 files. They may be located in separate packages.])
1361 # Flags needed for both GMP, MPFR and/or MPC.
1364 AC_SUBST(extra_mpfr_configure_flags)
1365 AC_SUBST(extra_mpc_gmp_configure_flags)
1366 AC_SUBST(extra_mpc_mpfr_configure_flags)
1368 # Allow host libstdc++ to be specified for static linking with PPL.
1369 AC_ARG_WITH(host-libstdcxx,
1370 [AS_HELP_STRING([--with-host-libstdcxx=L],
1371 [use linker arguments L to link with libstdc++
1372 when linking with PPL])])
1374 case $with_host_libstdcxx in
1376 AC_MSG_ERROR([-with-host-libstdcxx needs an argument])
1380 # Linker flags to use for stage1 or when not boostrapping.
1381 AC_ARG_WITH(stage1-ldflags,
1382 [AS_HELP_STRING([--with-stage1-ldflags=FLAGS], [linker flags for stage1])],
1383 [if test "$withval" = "no" -o "$withval" = "yes"; then
1386 stage1_ldflags=$withval
1389 AC_SUBST(stage1_ldflags)
1391 # Libraries to use for stage1 or when not bootstrapping.
1392 AC_ARG_WITH(stage1-libs,
1393 [AS_HELP_STRING([--with-stage1-libs=LIBS], [libraries for stage1])],
1394 [if test "$withval" = "no" -o "$withval" = "yes"; then
1397 stage1_libs=$withval
1399 [stage1_libs=$with_host_libstdcxx])
1400 AC_SUBST(stage1_libs)
1402 # Libraries to use for stage2 and later builds. This defaults to the
1403 # argument passed to --with-host-libstdcxx.
1404 AC_ARG_WITH(boot-libs,
1405 [AS_HELP_STRING([--with-boot-libs=LIBS], [libraries for stage2 and later])],
1406 [if test "$withval" = "no" -o "$withval" = "yes"; then
1409 poststage1_libs=$withval
1411 [poststage1_libs=$with_host_libstdcxx])
1412 AC_SUBST(poststage1_libs)
1414 # Linker flags to use for stage2 and later builds.
1415 AC_ARG_WITH(boot-ldflags,
1416 [AS_HELP_STRING([--with-boot-ldflags=FLAGS],
1417 [linker flags for stage2 and later])],
1418 [if test "$withval" = "no" -o "$withval" = "yes"; then
1421 poststage1_ldflags=$withval
1423 [poststage1_ldflags=
1424 # In stages 2 and 3, default to linking libstdc++ and libgcc
1425 # statically. But if the user explicitly specified the libraries to
1426 # use, trust that they are doing what they want.
1427 if test "$poststage1_libs" = ""; then
1428 poststage1_ldflags="-static-libstdc++ -static-libgcc"
1430 AC_SUBST(poststage1_ldflags)
1438 [AS_HELP_STRING([--with-ppl=PATH],
1439 [specify prefix directory for the installed PPL package.
1440 Equivalent to --with-ppl-include=PATH/include
1441 plus --with-ppl-lib=PATH/lib])])
1442 AC_ARG_WITH(ppl-include,
1443 [AS_HELP_STRING([--with-ppl-include=PATH],
1444 [specify directory for installed PPL include files])])
1445 AC_ARG_WITH(ppl-lib,
1446 [AS_HELP_STRING([--with-ppl-lib=PATH],
1447 [specify directory for the installed PPL library])])
1449 AC_ARG_ENABLE(ppl-version-check,
1450 [AS_HELP_STRING([--disable-ppl-version-check],
1451 [disable check for PPL version])])
1457 ppllibs="-L$with_ppl/lib"
1458 pplinc="-I$with_ppl/include $pplinc"
1459 if test -d "$with_ppl/lib" && test -d "$with_ppl/include"; then
1462 AC_MSG_ERROR([cannot find directories "$with_ppl/lib" or "$with_ppl/include"])
1467 if test x"$with_ppl_include" != x; then
1468 pplinc="-I$with_ppl_include $pplinc"
1472 if test "x$with_ppl_lib" != x; then
1473 ppllibs="-L$with_ppl_lib"
1477 if test x"$with_ppl$with_ppl_include$with_ppl_lib" = x && test -d ${srcdir}/ppl; then
1478 if test x"$enable_watchdog" = xyes; then
1481 ppllibs='-L$$r/$(HOST_SUBDIR)/ppl/interfaces/C/'"$lt_cv_objdir"' -L$$r/$(HOST_SUBDIR)/ppl/src/'"$lt_cv_objdir"
1482 pplinc='-I$$r/$(HOST_SUBDIR)/ppl/src -I$$r/$(HOST_SUBDIR)/ppl/interfaces/C '
1483 enable_ppl_version_check=no
1487 if test "x$with_ppl" != xno; then
1488 if test "x$pwllib" = x; then
1490 LIBS="$LIBS $ppllibs -lstdc++ -lm"
1491 AC_CHECK_LIB(pwl, PWL_handle_timeout, [pwllib="-lpwl"])
1495 ppllibs="$ppllibs -lppl_c -lppl $pwllib -lgmpxx"
1497 if test "$enable_ppl_version_check" != no; then
1498 saved_CFLAGS="$CFLAGS"
1499 CFLAGS="$CFLAGS $pplinc $gmpinc"
1500 AC_MSG_CHECKING([for version 0.11 (revision 0 or later) of PPL])
1501 AC_TRY_COMPILE([#include "ppl_c.h"],[
1502 #if PPL_VERSION_MAJOR != 0 || PPL_VERSION_MINOR < 11
1505 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); ppllibs= ; pplinc= ; with_ppl=no ])
1506 CFLAGS="$saved_CFLAGS"
1510 # Flags needed for PPL
1517 dnl Provide configure switches and initialize clooginc & clooglibs
1518 dnl with user input.
1520 if test "x$with_ppl" = "xno"; then
1521 dnl Only execute fail-action, if CLooG has been requested.
1522 CLOOG_REQUESTED([graphite_requested=yes], [graphite_requested=no])
1523 if test "${graphite_requested}" = yes; then
1524 AC_MSG_ERROR([Unable to find a usable PPL. See config.log for details.])
1528 if test "x${with_cloog}" = x && test "x${with_cloog_include}" = x \
1529 && test "x${with_cloog_lib}" = x && test -d ${srcdir}/cloog; then
1530 clooglibs='-L$$r/$(HOST_SUBDIR)/cloog/'"$lt_cv_objdir"' '
1531 clooginc='-I$$r/$(HOST_SUBDIR)/cloog/include -I$$s/cloog/include '
1533 if test "x$with_cloog" != "xno"; then
1534 dnl The minimal version of CLooG required for Graphite.
1536 dnl If we use CLooG-Legacy, the provided version information is
1538 CLOOG_CHECK_VERSION(0,16,1)
1540 dnl Only execute fail-action, if CLooG has been requested.
1542 AC_MSG_ERROR([Unable to find a usable CLooG. See config.log for details.])])
1545 # Check for LTO support.
1547 [AS_HELP_STRING([--enable-lto], [enable link time optimization support])],
1548 enable_lto=$enableval,
1549 enable_lto=yes; default_enable_lto=yes)
1551 ACX_ELF_TARGET_IFELSE([# ELF platforms build the lto-plugin always.
1552 build_lto_plugin=yes
1553 ],[if test x"$default_enable_lto" = x"yes" ; then
1555 *-apple-darwin9* | *-cygwin* | *-mingw*) ;;
1556 # On other non-ELF platforms, LTO has yet to be validated.
1560 # Apart from ELF platforms, only Windows and Darwin support LTO so far.
1561 # It would also be nice to check the binutils support, but we don't
1562 # have gcc_GAS_CHECK_FEATURE available here. For now, we'll just
1563 # warn during gcc/ subconfigure; unless you're bootstrapping with
1564 # -flto it won't be needed until after installation anyway.
1566 *-cygwin* | *-mingw* | *-apple-darwin*) ;;
1567 *) if test x"$enable_lto" = x"yes"; then
1568 AC_MSG_ERROR([LTO support is not enabled for this target.])
1573 # Among non-ELF, only Windows platforms support the lto-plugin so far.
1574 # Build it unless LTO was explicitly disabled.
1576 *-cygwin* | *-mingw*) build_lto_plugin=$enable_lto ;;
1582 # By default, C is the only stage 1 language.
1583 stage1_languages=,c,
1585 # Target libraries that we bootstrap.
1586 bootstrap_target_libs=,target-libgcc,
1588 # Figure out what language subdirectories are present.
1589 # Look if the user specified --enable-languages="..."; if not, use
1590 # the environment variable $LANGUAGES if defined. $LANGUAGES might
1592 # NB: embedded tabs in this IF block -- do not untabify
1593 if test -d ${srcdir}/gcc; then
1594 if test x"${enable_languages+set}" != xset; then
1595 if test x"${LANGUAGES+set}" = xset; then
1596 enable_languages="${LANGUAGES}"
1597 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1599 enable_languages=all
1602 if test x"${enable_languages}" = x ||
1603 test x"${enable_languages}" = xyes;
1605 echo configure.in: --enable-languages needs at least one language argument 1>&2
1609 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1611 # 'f95' is the old name for the 'fortran' language. We issue a warning
1612 # and make the substitution.
1613 case ,${enable_languages}, in
1615 echo configure.in: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2
1616 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'`
1620 # First scan to see if an enabled language requires some other language.
1621 # We assume that a given config-lang.in will list all the language
1622 # front ends it requires, even if some are required indirectly.
1623 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1624 case ${lang_frag} in
1626 # The odd quoting in the next line works around
1627 # an apparent bug in bash 1.12 on linux.
1628 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1630 # From the config-lang.in, get $language, $lang_requires, and
1631 # $lang_requires_boot_languages.
1634 lang_requires_boot_languages=
1636 for other in ${lang_requires} ${lang_requires_boot_languages}; do
1637 case ,${enable_languages}, in
1641 echo " \`$other' language required by \`$language'; enabling" 1>&2
1642 enable_languages="${enable_languages},${other}"
1646 for other in ${lang_requires_boot_languages} ; do
1647 if test "$other" != "c"; then
1648 case ,${enable_stage1_languages}, in
1652 case ,${enable_languages}, in
1654 echo " '$other' language required by '$language' in stage 1; enabling" 1>&2
1655 enable_stage1_languages="$enable_stage1_languages,${other}"
1666 new_enable_languages=,c,
1668 # If LTO is enabled, add the LTO front end.
1669 extra_host_libiberty_configure_flags=
1670 if test "$enable_lto" = "yes" ; then
1671 case ,${enable_languages}, in
1673 *) enable_languages="${enable_languages},lto" ;;
1675 if test "${build_lto_plugin}" = "yes" ; then
1676 configdirs="$configdirs lto-plugin"
1677 extra_host_libiberty_configure_flags=--enable-shared
1680 AC_SUBST(extra_host_libiberty_configure_flags)
1682 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
1683 potential_languages=,c,
1685 enabled_target_libs=
1686 disabled_target_libs=
1688 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1689 case ${lang_frag} in
1691 # The odd quoting in the next line works around
1692 # an apparent bug in bash 1.12 on linux.
1693 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1695 # From the config-lang.in, get $language, $target_libs,
1696 # $lang_dirs, $boot_language, and $build_by_default
1702 build_by_default=yes
1704 if test x${language} = x; then
1705 echo "${lang_frag} doesn't set \$language." 1>&2
1709 if test "$language" = "c++" \
1710 && test "$ENABLE_BUILD_WITH_CXX" = "yes"; then
1714 case ,${enable_languages}, in
1716 # Language was explicitly selected; include it.
1720 # 'all' was selected, select it if it is a default language
1721 add_this_lang=${build_by_default}
1728 # Disable languages that need other directories if these aren't available.
1729 for i in $subdir_requires; do
1730 test -f "$srcdir/gcc/$i/config-lang.in" && continue
1731 case ,${enable_languages}, in
1733 # Specifically requested language; tell them.
1734 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing])
1738 add_this_lang=unsupported
1743 # Disable Ada if no preexisting GNAT is available.
1744 case ,${enable_languages},:${language}:${have_gnat} in
1745 *,${language},*:ada:no)
1746 # Specifically requested language; tell them.
1747 AC_MSG_ERROR([GNAT is required to build $language])
1751 add_this_lang=unsupported
1755 # Disable a language that is unsupported by the target.
1756 case " $unsupported_languages " in
1758 add_this_lang=unsupported
1762 case $add_this_lang in
1764 # Remove language-dependent dirs.
1765 disabled_target_libs="$disabled_target_libs $target_libs"
1766 noconfigdirs="$noconfigdirs $lang_dirs"
1769 # Remove language-dependent dirs; still show language as supported.
1770 disabled_target_libs="$disabled_target_libs $target_libs"
1771 noconfigdirs="$noconfigdirs $lang_dirs"
1772 potential_languages="${potential_languages}${language},"
1775 new_enable_languages="${new_enable_languages}${language},"
1776 potential_languages="${potential_languages}${language},"
1777 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
1778 enabled_target_libs="$enabled_target_libs $target_libs"
1779 case "${boot_language}:,$enable_stage1_languages," in
1780 yes:* | *:*,$language,* | *:*,yes, | *:*,all,)
1781 # Add to (comma-separated) list of stage 1 languages.
1782 case ",$stage1_languages," in
1783 *,$language,* | ,yes, | ,all,) ;;
1784 *) stage1_languages="${stage1_languages}${language}," ;;
1786 # We need to bootstrap any supporting libraries.
1787 bootstrap_target_libs="${bootstrap_target_libs}${target_libs},"
1796 # Add target libraries which are only needed for disabled languages
1798 if test -n "$disabled_target_libs"; then
1799 for dir in $disabled_target_libs; do
1800 case " $enabled_target_libs " in
1802 *) noconfigdirs="$noconfigdirs $dir" ;;
1807 AC_ARG_ENABLE(stage1-languages,
1808 [AS_HELP_STRING([[--enable-stage1-languages[=all]]],
1809 [choose additional languages to build during
1810 stage1. Mostly useful for compiler development])],
1811 [case ,${enable_stage1_languages}, in
1813 # Set it to something that will have no effect in the loop below
1814 enable_stage1_languages=c ;;
1816 enable_stage1_languages=`echo $new_enable_languages | \
1817 sed -e "s/^,//" -e "s/,$//" ` ;;
1819 enable_stage1_languages=`echo ,$enable_stage1_languages, | \
1820 sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;;
1823 # Add "good" languages from enable_stage1_languages to stage1_languages,
1824 # while "bad" languages go in missing_languages. Leave no duplicates.
1825 for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do
1826 case $potential_languages in
1828 case $stage1_languages in
1830 *) stage1_languages="$stage1_languages$i," ;;
1833 case $missing_languages in
1835 *) missing_languages="$missing_languages$i," ;;
1840 # Remove leading/trailing commas that were added for simplicity
1841 potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"`
1842 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
1843 stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"`
1844 new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"`
1846 if test "x$missing_languages" != x; then
1848 The following requested languages could not be built: ${missing_languages}
1849 Supported languages are: ${potential_languages}])
1851 if test "x$new_enable_languages" != "x$enable_languages"; then
1852 echo The following languages will be built: ${new_enable_languages}
1853 enable_languages="$new_enable_languages"
1856 AC_SUBST(stage1_languages)
1857 ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" `
1860 # Handle --disable-<component> generically.
1861 for dir in $configdirs $build_configdirs $target_configdirs ; do
1862 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g`
1863 varname=`echo $dirname | sed -e s/+/_/g`
1864 if eval test x\${enable_${varname}} "=" xno ; then
1865 noconfigdirs="$noconfigdirs $dir"
1869 # Check for Boehm's garbage collector
1870 AC_ARG_ENABLE(objc-gc,
1871 [AS_HELP_STRING([--enable-objc-gc],
1872 [enable use of Boehm's garbage collector with the
1873 GNU Objective-C runtime])],
1874 [case ,${enable_languages},:${enable_objc_gc}:${noconfigdirs} in
1875 *,objc,*:*:yes:*target-boehm-gc*)
1876 AC_MSG_ERROR([Boehm's garbage collector was requested yet not supported in this configuration])
1880 # Make sure we only build Boehm's garbage collector if required.
1881 case ,${enable_languages},:${enable_objc_gc} in
1883 # Keep target-boehm-gc if requested for Objective-C.
1886 # Otherwise remove target-boehm-gc depending on target-libjava.
1887 if echo " ${noconfigdirs} " | grep "target-libjava" >/dev/null 2>&1; then
1888 noconfigdirs="$noconfigdirs target-boehm-gc"
1893 AC_ARG_WITH([upc-pts],
1895 [[--with-upc-pts=[{struct,packed}]]],
1896 [choose the representation of a UPC pointer-to-shared]),
1898 case ,${enable_languages}, in
1905 AC_MSG_ERROR([$withval is an invalid option to --with-upc-pts])
1910 AC_MSG_ERROR([--with-upc-pts supplied, but UPC language not enabled])
1915 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
1916 # $build_configdirs and $target_configdirs.
1917 # If we have the source for $noconfigdirs entries, add them to $notsupp.
1920 for dir in . $skipdirs $noconfigdirs ; do
1921 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
1922 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1923 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
1924 if test -r $srcdir/$dirname/configure ; then
1925 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1928 notsupp="$notsupp $dir"
1932 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1933 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"`
1934 if test -r $srcdir/$dirname/configure ; then
1935 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1938 notsupp="$notsupp $dir"
1942 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1943 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
1944 if test -r $srcdir/$dirname/configure ; then
1945 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1948 notsupp="$notsupp $dir"
1954 # Quietly strip out all directories which aren't configurable in this tree.
1955 # This relies on all configurable subdirectories being autoconfiscated, which
1957 build_configdirs_all="$build_configdirs"
1959 for i in ${build_configdirs_all} ; do
1960 j=`echo $i | sed -e s/build-//g`
1961 if test -f ${srcdir}/$j/configure ; then
1962 build_configdirs="${build_configdirs} $i"
1966 configdirs_all="$configdirs"
1968 for i in ${configdirs_all} ; do
1969 if test -f ${srcdir}/$i/configure ; then
1970 configdirs="${configdirs} $i"
1974 target_configdirs_all="$target_configdirs"
1976 for i in ${target_configdirs_all} ; do
1977 j=`echo $i | sed -e s/target-//g`
1978 if test -f ${srcdir}/$j/configure ; then
1979 target_configdirs="${target_configdirs} $i"
1983 # Produce a warning message for the subdirs we can't configure.
1984 # This isn't especially interesting in the Cygnus tree, but in the individual
1985 # FSF releases, it's important to let people know when their machine isn't
1986 # supported by the one or two programs in a package.
1988 if test -n "${notsupp}" && test -z "${norecursion}" ; then
1989 # If $appdirs is non-empty, at least one of those directories must still
1990 # be configured, or we error out. (E.g., if the gas release supports a
1991 # specified target in some subdirs but not the gas subdir, we shouldn't
1992 # pretend that all is well.)
1993 if test -n "$appdirs" ; then
1994 for dir in $appdirs ; do
1995 if test -r $dir/Makefile.in ; then
1996 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2000 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
2006 if test -n "$appdirs" ; then
2007 echo "*** This configuration is not supported by this package." 1>&2
2011 # Okay, some application will build, or we don't care to check. Still
2012 # notify of subdirs not getting built.
2013 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
2014 echo " ${notsupp}" 1>&2
2015 echo " (Any other directories should still work fine.)" 1>&2
2023 # To find our prefix, in gcc_cv_tool_prefix.
2028 AC_ARG_WITH([build-sysroot],
2029 [AS_HELP_STRING([--with-build-sysroot=SYSROOT],
2030 [use sysroot as the system root during the build])],
2031 [if test x"$withval" != x ; then
2032 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval"
2034 [SYSROOT_CFLAGS_FOR_TARGET=])
2035 AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET)
2037 AC_ARG_WITH([debug-prefix-map],
2038 [AS_HELP_STRING([--with-debug-prefix-map='A=B C=D ...'],
2039 [map A to B, C to D ... in debug information])],
2040 [if test x"$withval" != x; then
2041 DEBUG_PREFIX_CFLAGS_FOR_TARGET=
2042 for debug_map in $withval; do
2043 DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map"
2046 [DEBUG_PREFIX_CFLAGS_FOR_TARGET=])
2047 AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET)
2049 # During gcc bootstrap, if we use some random cc for stage1 then CFLAGS
2050 # might be empty or "-g". We don't require a C++ compiler, so CXXFLAGS
2051 # might also be empty (or "-g", if a non-GCC C++ compiler is in the path).
2052 # We want to ensure that TARGET libraries (which we know are built with
2053 # gcc) are built with "-O2 -g", so include those options when setting
2054 # CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET.
2055 if test "x$CFLAGS_FOR_TARGET" = x; then
2056 CFLAGS_FOR_TARGET=$CFLAGS
2059 *) CFLAGS_FOR_TARGET="-O2 $CFLAGS" ;;
2062 *" -g "* | *" -g3 "*) ;;
2063 *) CFLAGS_FOR_TARGET="-g $CFLAGS" ;;
2066 AC_SUBST(CFLAGS_FOR_TARGET)
2068 if test "x$CXXFLAGS_FOR_TARGET" = x; then
2069 CXXFLAGS_FOR_TARGET=$CXXFLAGS
2070 case " $CXXFLAGS " in
2072 *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS" ;;
2074 case " $CXXFLAGS " in
2075 *" -g "* | *" -g3 "*) ;;
2076 *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS" ;;
2079 AC_SUBST(CXXFLAGS_FOR_TARGET)
2081 AC_SUBST(LDFLAGS_FOR_TARGET)
2083 # Handle --with-headers=XXX. If the value is not "yes", the contents of
2084 # the named directory are copied to $(tooldir)/sys-include.
2085 if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
2086 if test x${is_cross_compiler} = xno ; then
2087 echo 1>&2 '***' --with-headers is only supported when cross compiling
2090 if test x"${with_headers}" != xyes ; then
2091 x=${gcc_cv_tool_prefix}
2092 copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include"
2096 # Handle --with-libs=XXX. If the value is not "yes", the contents of
2097 # the name directories are copied to $(tooldir)/lib. Multiple directories
2099 if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
2100 if test x${is_cross_compiler} = xno ; then
2101 echo 1>&2 '***' --with-libs is only supported when cross compiling
2104 if test x"${with_libs}" != xyes ; then
2105 # Copy the libraries in reverse order, so that files in the first named
2106 # library override files in subsequent libraries.
2107 x=${gcc_cv_tool_prefix}
2108 for l in ${with_libs}; do
2109 copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}"
2114 # Set with_gnu_as, with_gnu_ld, and with_system_zlib as appropriate.
2116 # This is done by determining whether or not the appropriate directory
2117 # is available, and by checking whether or not specific configurations
2118 # have requested that this magic not happen.
2120 # The command line options always override the explicit settings in
2121 # configure.in, and the settings in configure.in override this magic.
2123 # If the default for a toolchain is to use GNU as and ld, and you don't
2124 # want to do that, then you should use the --without-gnu-as and
2125 # --without-gnu-ld options for the configure script. Similarly, if
2126 # the default is to use the included zlib and you don't want to do that,
2127 # you should use the --with-system-zlib option for the configure script.
2129 if test x${use_gnu_as} = x &&
2130 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
2132 extra_host_args="$extra_host_args --with-gnu-as"
2135 if test x${use_gnu_ld} = x &&
2136 echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then
2138 extra_host_args="$extra_host_args --with-gnu-ld"
2141 if test x${use_included_zlib} = x &&
2142 echo " ${configdirs} " | grep " zlib " > /dev/null 2>&1 ; then
2145 with_system_zlib=yes
2146 extra_host_args="$extra_host_args --with-system-zlib"
2149 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
2150 # can detect this case.
2152 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
2154 extra_host_args="$extra_host_args --with-newlib"
2157 # Handle ${copy_dirs}
2158 set fnord ${copy_dirs}
2160 while test $# != 0 ; do
2161 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
2164 echo Copying $1 to $2
2166 # Use the install script to create the directory and all required
2167 # parent directories.
2168 if test -d $2 ; then
2172 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
2175 # Copy the directory, assuming we have tar.
2176 # FIXME: Should we use B in the second tar? Not all systems support it.
2177 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
2179 # It is the responsibility of the user to correctly adjust all
2180 # symlinks. If somebody can figure out how to handle them correctly
2181 # here, feel free to add the code.
2188 # Determine a target-dependent exec_prefix that the installed
2189 # gcc will search in. Keep this list sorted by triplet, with
2190 # the *-*-osname triplets last.
2193 i[[34567]]86-pc-msdosdjgpp*)
2194 md_exec_prefix=/dev/env/DJDIR/bin
2199 md_exec_prefix=/usr/ccs/bin
2203 extra_arflags_for_target=
2204 extra_nmflags_for_target=
2205 extra_ranlibflags_for_target=
2206 target_makefile_frag=/dev/null
2209 target_makefile_frag="config/mt-spu"
2212 target_makefile_frag="config/mt-sde"
2214 mipsisa*-*-elfoabi*)
2215 target_makefile_frag="config/mt-mips-elfoabi"
2217 mips*-*-*linux* | mips*-*-gnu*)
2218 target_makefile_frag="config/mt-mips-gnu"
2220 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
2221 target_makefile_frag="config/mt-gnu"
2223 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
2224 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
2225 # commands to handle both 32-bit and 64-bit objects. These flags are
2226 # harmless if we're using GNU nm or ar.
2227 extra_arflags_for_target=" -X32_64"
2228 extra_nmflags_for_target=" -B -X32_64"
2231 # ranlib before Darwin10 requires the -c flag to look at common symbols.
2232 extra_ranlibflags_for_target=" -c"
2236 alphaieee_frag=/dev/null
2239 # This just makes sure to use the -mieee option to build target libs.
2240 # This should probably be set individually by each library.
2241 alphaieee_frag="config/mt-alphaieee"
2245 # If --enable-target-optspace always use -Os instead of -O2 to build
2246 # the target libraries, similarly if it is not specified, use -Os
2247 # on selected platforms.
2248 ospace_frag=/dev/null
2249 case "${enable_target_optspace}:${target}" in
2251 ospace_frag="config/mt-ospace"
2254 ospace_frag="config/mt-d30v"
2256 :m32r-* | :d10v-* | :fr30-*)
2257 ospace_frag="config/mt-ospace"
2262 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
2266 # Default to using --with-stabs for certain targets.
2267 if test x${with_stabs} = x ; then
2269 mips*-*-irix[[56]]*)
2271 mips*-*-* | alpha*-*-osf*)
2273 extra_host_args="${extra_host_args} --with-stabs"
2278 # Some systems (e.g., one of the i386-aix systems the gas testers are
2279 # using) don't handle "\$" correctly, so don't use it here.
2280 tooldir='${exec_prefix}'/${target_noncanonical}
2281 build_tooldir=${tooldir}
2283 # Create a .gdbinit file which runs the one in srcdir
2284 # and tells GDB to look there for source files.
2286 if test -r ${srcdir}/.gdbinit ; then
2289 *) cat > ./.gdbinit <<EOF
2293 source ${srcdir}/.gdbinit
2299 # Make sure that the compiler is able to generate an executable. If it
2300 # can't, we are probably in trouble. We don't care whether we can run the
2301 # executable--we might be using a cross compiler--we only care whether it
2302 # can be created. At this point the main configure script has set CC.
2304 echo "int main () { return 0; }" > conftest.c
2305 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
2306 if test $? = 0 ; then
2307 if test -s conftest || test -s conftest.exe ; then
2313 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
2314 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
2321 # Decide which environment variable is used to find dynamic libraries.
2323 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
2324 *-*-darwin*) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;;
2325 *-*-mingw* | *-*-cygwin ) RPATH_ENVVAR=PATH ;;
2326 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
2329 # On systems where the dynamic library environment variable is PATH,
2330 # gcc/ will put dynamic libraries into a subdirectory to avoid adding
2331 # built executables to PATH.
2332 if test "$RPATH_ENVVAR" = PATH; then
2333 GCC_SHLIB_SUBDIR=/shlib
2338 # Record target_configdirs and the configure arguments for target and
2339 # build configuration in Makefile.
2340 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
2341 build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
2343 # If we are building libgomp, bootstrap it.
2344 if echo " ${target_configdirs} " | grep " libgomp " > /dev/null 2>&1 ; then
2345 bootstrap_target_libs=${bootstrap_target_libs}target-libgomp,
2348 # Determine whether gdb needs tk/tcl or not.
2349 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
2350 # and in that case we want gdb to be built without tk. Ugh!
2351 # In fact I believe gdb is the *only* package directly dependent on tk,
2352 # so we should be able to put the 'maybe's in unconditionally and
2353 # leave out the maybe dependencies when enable_gdbtk is false. I'm not
2354 # 100% sure that that's safe though.
2356 gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
2357 case "$enable_gdbtk" in
2361 GDB_TK="${gdb_tk}" ;;
2363 # Only add the dependency on gdbtk when GDBtk is part of the gdb
2364 # distro. Eventually someone will fix this and move Insight, nee
2365 # gdbtk to a separate directory.
2366 if test -d ${srcdir}/gdb/gdbtk ; then
2373 CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g`
2374 INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g`
2376 # Strip out unwanted targets.
2378 # While at that, we remove Makefiles if we were started for recursive
2379 # configuration, so that the top-level Makefile reconfigures them,
2380 # like we used to do when configure itself was recursive.
2382 # Loop over modules. We used to use the "$extrasub" feature from Autoconf
2383 # but now we're fixing up the Makefile ourselves with the additional
2384 # commands passed to AC_CONFIG_FILES. Use separate variables
2385 # extrasub-{build,host,target} not because there is any reason to split
2386 # the substitutions up that way, but only to remain below the limit of
2387 # 99 commands in a script, for HP-UX sed.
2388 # Do not nest @if/@endif pairs, because configure will not warn you at all.
2390 AC_ARG_ENABLE([bootstrap],
2391 [AS_HELP_STRING([--enable-bootstrap],
2392 [enable bootstrapping @<:@yes if native build@:>@])],,
2393 enable_bootstrap=default)
2395 # Issue errors and warnings for invalid/strange bootstrap combinations.
2396 case "$configdirs" in
2397 *gcc*) have_compiler=yes ;;
2398 *) have_compiler=no ;;
2401 case "$have_compiler:$host:$target:$enable_bootstrap" in
2404 # Default behavior. Enable bootstrap if we have a compiler
2405 # and we are in a native configuration.
2406 yes:$build:$build:default)
2407 enable_bootstrap=yes ;;
2410 enable_bootstrap=no ;;
2412 # We have a compiler and we are in a native configuration, bootstrap is ok
2413 yes:$build:$build:yes)
2416 # Other configurations, but we have a compiler. Assume the user knows
2419 AC_MSG_WARN([trying to bootstrap a cross compiler])
2422 # No compiler: if they passed --enable-bootstrap explicitly, fail
2424 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
2426 # Fail if wrong command line
2428 AC_MSG_ERROR([invalid option for --enable-bootstrap])
2432 case ",$enable_languages,:$ENABLE_BUILD_WITH_CXX:$enable_bootstrap" in
2435 AC_MSG_ERROR([bootstrapping with --enable-build-with-cxx requires c++ in --enable-languages])
2439 case "$enable_bootstrap:$ENABLE_GOLD: $configdirs :,$stage1_languages," in
2440 yes:yes:*\ gold\ *:*,c++,*) ;;
2441 yes:yes:*\ gold\ *:*)
2442 AC_MSG_ERROR([in a combined tree, bootstrapping with --enable-gold requires c++ in stage1_languages])
2446 # Adjust the toplevel makefile according to whether bootstrap was selected.
2447 case $enable_bootstrap in
2449 bootstrap_suffix=bootstrap
2450 BUILD_CONFIG=bootstrap-debug
2453 bootstrap_suffix=no-bootstrap
2458 AC_MSG_CHECKING(for default BUILD_CONFIG)
2460 AC_ARG_WITH([build-config],
2461 [AS_HELP_STRING([--with-build-config='NAME NAME2...'],
2462 [use config/NAME.mk build configuration])],
2463 [case $with_build_config in
2464 yes) with_build_config= ;;
2465 no) with_build_config= BUILD_CONFIG= ;;
2468 if test "x${with_build_config}" != x; then
2469 BUILD_CONFIG=$with_build_config
2471 case $BUILD_CONFIG in
2473 if echo "int f (void) { return 0; }" > conftest.c &&
2474 ${CC} -c conftest.c &&
2475 mv conftest.o conftest.o.g0 &&
2476 ${CC} -c -g conftest.c &&
2477 mv conftest.o conftest.o.g &&
2478 ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g > /dev/null 2>&1; then
2483 rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g
2487 AC_MSG_RESULT($BUILD_CONFIG)
2488 AC_SUBST(BUILD_CONFIG)
2491 for module in ${build_configdirs} ; do
2492 if test -z "${no_recursion}" \
2493 && test -f ${build_subdir}/${module}/Makefile; then
2494 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
2495 rm -f ${build_subdir}/${module}/Makefile
2497 extrasub_build="$extrasub_build
2498 /^@if build-$module\$/d
2499 /^@endif build-$module\$/d
2500 /^@if build-$module-$bootstrap_suffix\$/d
2501 /^@endif build-$module-$bootstrap_suffix\$/d"
2504 for module in ${configdirs} ; do
2505 if test -z "${no_recursion}"; then
2506 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do
2507 if test -f ${file}; then
2508 echo 1>&2 "*** removing ${file} to force reconfigure"
2513 extrasub_host="$extrasub_host
2515 /^@endif $module\$/d
2516 /^@if $module-$bootstrap_suffix\$/d
2517 /^@endif $module-$bootstrap_suffix\$/d"
2520 for module in ${target_configdirs} ; do
2521 if test -z "${no_recursion}" \
2522 && test -f ${target_subdir}/${module}/Makefile; then
2523 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
2524 rm -f ${target_subdir}/${module}/Makefile
2527 # We only bootstrap target libraries listed in bootstrap_target_libs.
2528 case $bootstrap_target_libs in
2529 *,target-$module,*) target_bootstrap_suffix=$bootstrap_suffix ;;
2530 *) target_bootstrap_suffix=no-bootstrap ;;
2533 extrasub_target="$extrasub_target
2534 /^@if target-$module\$/d
2535 /^@endif target-$module\$/d
2536 /^@if target-$module-$target_bootstrap_suffix\$/d
2537 /^@endif target-$module-$target_bootstrap_suffix\$/d"
2540 # Do the final fixup along with target modules.
2541 extrasub_target="$extrasub_target
2542 /^@if /,/^@endif /d"
2544 # Create the serialization dependencies. This uses a temporary file.
2546 AC_ARG_ENABLE([serial-configure],
2547 [AS_HELP_STRING([[--enable-serial-[{host,target,build}-]configure]],
2548 [force sequential configuration of
2549 sub-packages for the host, target or build
2550 machine, or all sub-packages])])
2552 case ${enable_serial_configure} in
2554 enable_serial_build_configure=yes
2555 enable_serial_host_configure=yes
2556 enable_serial_target_configure=yes
2560 # These force 'configure's to be done one at a time, to avoid problems
2561 # with contention over a shared config.cache.
2563 echo '# serdep.tmp' > serdep.tmp
2565 test "x${enable_serial_build_configure}" = xyes &&
2566 for item in ${build_configdirs} ; do
2569 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
2574 test "x${enable_serial_host_configure}" = xyes &&
2575 for item in ${configdirs} ; do
2578 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
2583 test "x${enable_serial_target_configure}" = xyes &&
2584 for item in ${target_configdirs} ; do
2587 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
2591 serialization_dependencies=serdep.tmp
2592 AC_SUBST_FILE(serialization_dependencies)
2594 # Base args. Strip norecursion, cache-file, srcdir, host, build,
2595 # target, nonopt, and variable assignments. These are the ones we
2596 # might not want to pass down to subconfigures. The exception being
2597 # --cache-file=/dev/null, which is used to turn off the use of cache
2598 # files altogether, and which should be passed on to subconfigures.
2599 # Also strip program-prefix, program-suffix, and program-transform-name,
2600 # so that we can pass down a consistent program-transform-name.
2605 eval "set -- $ac_configure_args"
2608 if test X"$skip_next" = X"yes"; then
2612 if test X"$keep_next" = X"yes"; then
2615 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2617 baseargs="$baseargs '$ac_arg'"
2618 tbaseargs="$tbaseargs '$ac_arg'"
2623 # Handle separated arguments. Based on the logic generated by
2626 *=* | --config-cache | -C | -disable-* | --disable-* \
2627 | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \
2628 | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \
2629 | -with-* | --with-* | -without-* | --without-* | --x)
2643 --with-* | --without-*)
2644 libopt=`echo "$ac_arg" | sed -e 's,^--[^-_]*[-_],,' -e 's,=.*$,,'`
2648 lib=`echo "$libopt" | sed 's,[-_]include$,,'`
2651 lib=`echo "$libopt" | sed 's,[-_]lib$,,'`
2660 mpc | mpfr | gmp | ppl | cloog)
2661 # If we're processing --with-$lib, --with-$lib-include or
2662 # --with-$lib-lib, for one of the libs above, and target is
2663 # different from host, don't pass the current argument to any
2664 # target library's configure.
2665 if test x$is_cross_compiler = xyes; then
2674 --cache-file=/dev/null | \
2675 -cache-file=/dev/null )
2676 # Handled here to avoid the test to skip args below.
2677 baseargs="$baseargs '$ac_arg'"
2678 tbaseargs="$tbaseargs '$ac_arg'"
2679 # Assert: $separate_arg should always be no.
2680 keep_next=$separate_arg
2696 -program-prefix* | \
2697 -program-suffix* | \
2698 -program-transform-name* )
2699 skip_next=$separate_arg
2703 # An option. Add it.
2706 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2708 baseargs="$baseargs '$ac_arg'"
2709 if test X"$skip_targ" = Xno; then
2710 tbaseargs="$tbaseargs '$ac_arg'"
2712 keep_next=$separate_arg
2715 # Either a variable assignment, or a nonopt (triplet). Don't
2716 # pass it down; let the Makefile handle this.
2721 # Remove the initial space we just introduced and, as these will be
2722 # expanded by make, quote '$'.
2723 baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
2725 # Add in --program-transform-name, after --program-prefix and
2726 # --program-suffix have been applied to it. Autoconf has already
2727 # doubled dollar signs and backslashes in program_transform_name; we want
2728 # the backslashes un-doubled, and then the entire thing wrapped in single
2729 # quotes, because this will be expanded first by make and then by the shell.
2730 # Also, because we want to override the logic in subdir configure scripts to
2731 # choose program_transform_name, replace any s,x,x, with s,y,y,.
2732 sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
2733 ${program_transform_name}
2735 gcc_transform_name=`cat conftestsed.out`
2736 rm -f conftestsed.out
2737 baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
2738 tbaseargs="$tbaseargs --program-transform-name='${gcc_transform_name}'"
2739 if test "$silent" = yes; then
2740 baseargs="$baseargs --silent"
2741 tbaseargs="$tbaseargs --silent"
2743 baseargs="$baseargs --disable-option-checking"
2744 tbaseargs="$tbaseargs --disable-option-checking"
2746 # Record and document user additions to sub configure arguments.
2747 AC_ARG_VAR([build_configargs],
2748 [additional configure arguments for build directories])
2749 AC_ARG_VAR([host_configargs],
2750 [additional configure arguments for host directories])
2751 AC_ARG_VAR([target_configargs],
2752 [additional configure arguments for target directories])
2754 # For the build-side libraries, we just need to pretend we're native,
2755 # and not use the same cache file. Multilibs are neither needed nor
2757 build_configargs="$build_configargs --cache-file=../config.cache ${baseargs}"
2759 # For host modules, accept cache file option, or specification as blank.
2760 case "${cache_file}" in
2762 cache_file_option="" ;;
2763 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
2764 cache_file_option="--cache-file=${cache_file}" ;;
2766 cache_file_option="--cache-file=../${cache_file}" ;;
2769 # Host dirs don't like to share a cache file either, horribly enough.
2770 # This seems to be due to autoconf 2.5x stupidity.
2771 host_configargs="$host_configargs --cache-file=./config.cache ${extra_host_args} ${baseargs}"
2773 target_configargs="$target_configargs ${tbaseargs}"
2775 # Passing a --with-cross-host argument lets the target libraries know
2776 # whether they are being built with a cross-compiler or being built
2777 # native. However, it would be better to use other mechanisms to make the
2778 # sorts of decisions they want to make on this basis. Please consider
2779 # this option to be deprecated. FIXME.
2780 if test x${is_cross_compiler} = xyes ; then
2781 target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}"
2784 # Default to --enable-multilib.
2785 if test x${enable_multilib} = x ; then
2786 target_configargs="--enable-multilib ${target_configargs}"
2789 # Pass --with-newlib if appropriate. Note that target_configdirs has
2790 # changed from the earlier setting of with_newlib.
2791 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
2792 target_configargs="--with-newlib ${target_configargs}"
2795 # Different target subdirs use different values of certain variables
2796 # (notably CXX). Worse, multilibs use *lots* of different values.
2797 # Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
2798 # it doesn't automatically accept command-line overrides of them.
2799 # This means it's not safe for target subdirs to share a cache file,
2800 # which is disgusting, but there you have it. Hopefully this can be
2801 # fixed in future. It's still worthwhile to use a cache file for each
2802 # directory. I think.
2804 # Pass the appropriate --build, --host, --target and --cache-file arguments.
2805 # We need to pass --target, as newer autoconf's requires consistency
2806 # for target_alias and gcc doesn't manage it consistently.
2807 target_configargs="--cache-file=./config.cache ${target_configargs}"
2810 case " $target_configdirs " in
2812 case " $target_configargs " in
2813 *" --with-newlib "*)
2816 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 $$s/winsup/w32api/include'
2820 # If we're not building GCC, don't discard standard headers.
2821 if test -d ${srcdir}/gcc; then
2822 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
2824 if test "${build}" != "${host}"; then
2825 # On Canadian crosses, CC_FOR_TARGET will have already been set
2826 # by `configure', so we won't have an opportunity to add -Bgcc/
2827 # to it. This is right: we don't want to search that directory
2828 # for binaries, but we want the header files in there, so add
2830 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include -isystem $$r/$(HOST_SUBDIR)/gcc/include-fixed'
2832 # Someone might think of using the pre-installed headers on
2833 # Canadian crosses, in case the installed compiler is not fully
2834 # compatible with the compiler being built. In this case, it
2835 # would be better to flag an error than risking having
2836 # incompatible object files being constructed. We can't
2837 # guarantee that an error will be flagged, but let's hope the
2838 # compiler will do it, when presented with incompatible header
2843 case "${target}-${is_cross_compiler}" in
2844 i[[3456789]]86-*-linux*-no)
2845 # Here host == target, so we don't need to build gcc,
2846 # so we don't want to discard standard headers.
2847 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
2850 # If we're building newlib, use its generic headers last, but search
2851 # for any libc-related directories first (so make it the last -B
2853 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
2855 # If we're building libgloss, find the startup file, simulator library
2856 # and linker script.
2857 case " $target_configdirs " in
2859 # Look for startup file, simulator library and maybe linker script.
2860 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/'"$libgloss_dir"
2861 # Look for libnosys.a in case the target needs it.
2862 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys'
2863 # Most targets have the linker script in the source directory.
2864 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$s/libgloss/'"$libgloss_dir"
2875 x86_64-*mingw* | *-w64-mingw*)
2876 # MinGW-w64 does not use newlib, nor does it use winsup. It may,
2877 # however, use a symlink named 'mingw' in ${prefix} .
2878 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L${prefix}/${target}/lib -L${prefix}/mingw/lib -isystem ${prefix}/${target}/include -isystem ${prefix}/mingw/include'
2881 # MinGW can't be handled as Cygwin above since it does not use newlib.
2882 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/mingw -L$$r/$(TARGET_SUBDIR)/winsup/w32api/lib -isystem $$s/winsup/mingw/include -isystem $$s/winsup/w32api/include'
2886 # Allow the user to override the flags for
2887 # our build compiler if desired.
2888 if test x"${build}" = x"${host}" ; then
2889 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
2890 CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}}
2891 LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}}
2894 # On Canadian crosses, we'll be searching the right directories for
2895 # the previously-installed cross compiler, so don't bother to add
2896 # flags for directories within the install tree of the compiler
2897 # being built; programs in there won't even run.
2898 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
2899 # Search for pre-installed headers if nothing else fits.
2900 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
2903 if test "x${use_gnu_ld}" = x &&
2904 echo " ${configdirs} " | grep " ld " > /dev/null ; then
2905 # Arrange for us to find uninstalled linker scripts.
2906 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld'
2909 # Search for other target-specific linker scripts and such.
2912 FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary"
2916 # UPC linker script check
2917 AC_MSG_CHECKING([for UPC link script support])
2918 AC_ARG_ENABLE(upc-link-script,
2920 [--enable-upc-link-script],
2921 [enable UPC's use of a custom linker script;
2922 this will define the UPC shared section as a no load section on
2923 targets where this feature is supported (requires GNU LD)]),
2928 AC_MSG_ERROR([--enable-upc-link-script accepts only yes or no.])
2933 if test x${use_gnu_ld} != xno ; then
2935 # disable linker script for Apple Mac OS X
2937 enable_upc_link_script=no
2940 enable_upc_link_script=yes
2944 enable_upc_link_script=no
2946 if test "$enable_upc_link_script" = yes; then
2947 target_configargs="${target_configargs} --enable-upc-link-script"
2948 host_configargs="${host_configargs} --enable-upc-link-script"
2951 if test "$enable_upc_link_script" = yes; then
2952 AC_MSG_RESULT([yes]);
2954 AC_MSG_RESULT([no]);
2958 # Makefile fragments.
2959 for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
2961 eval fragval=\$$frag
2962 if test $fragval != /dev/null; then
2963 eval $frag=${srcdir}/$fragval
2966 AC_SUBST_FILE(host_makefile_frag)
2967 AC_SUBST_FILE(target_makefile_frag)
2968 AC_SUBST_FILE(alphaieee_frag)
2969 AC_SUBST_FILE(ospace_frag)
2971 # Miscellanea: directories, flags, etc.
2972 AC_SUBST(RPATH_ENVVAR)
2973 AC_SUBST(GCC_SHLIB_SUBDIR)
2975 AC_SUBST(build_tooldir)
2976 AC_SUBST(CONFIGURE_GDB_TK)
2978 AC_SUBST(INSTALL_GDB_TK)
2980 # Build module lists & subconfigure args.
2981 AC_SUBST(build_configargs)
2982 AC_SUBST(build_configdirs)
2984 # Host module lists & subconfigure args.
2985 AC_SUBST(host_configargs)
2986 AC_SUBST(configdirs)
2987 AC_SUBST(target_configdirs)
2989 # Target module lists & subconfigure args.
2990 AC_SUBST(target_configargs)
2994 AC_SUBST(AR_FOR_BUILD)
2995 AC_SUBST(AS_FOR_BUILD)
2996 AC_SUBST(CC_FOR_BUILD)
2997 AC_SUBST(CFLAGS_FOR_BUILD)
2998 AC_SUBST(CXXFLAGS_FOR_BUILD)
2999 AC_SUBST(CXX_FOR_BUILD)
3000 AC_SUBST(DLLTOOL_FOR_BUILD)
3001 AC_SUBST(GCJ_FOR_BUILD)
3002 AC_SUBST(GFORTRAN_FOR_BUILD)
3003 AC_SUBST(GOC_FOR_BUILD)
3004 AC_SUBST(LDFLAGS_FOR_BUILD)
3005 AC_SUBST(LD_FOR_BUILD)
3006 AC_SUBST(NM_FOR_BUILD)
3007 AC_SUBST(RANLIB_FOR_BUILD)
3008 AC_SUBST(WINDMC_FOR_BUILD)
3009 AC_SUBST(WINDRES_FOR_BUILD)
3011 # Generate default definitions for YACC, M4, LEX and other programs that run
3012 # on the build machine. These are used if the Makefile can't locate these
3013 # programs in objdir.
3014 MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
3016 AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
3017 case " $build_configdirs " in
3018 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;;
3021 AC_CHECK_PROGS([BISON], [bison], [$MISSING bison])
3022 case " $build_configdirs " in
3023 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;;
3026 AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4])
3027 case " $build_configdirs " in
3028 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;;
3031 AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex])
3032 case " $build_configdirs " in
3033 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3034 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;;
3037 AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex])
3038 case " $build_configdirs " in
3039 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3042 AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo])
3043 case " $build_configdirs " in
3044 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;;
3047 # For an installed makeinfo, we require it to be from texinfo 4.7 or
3048 # higher, else we use the "missing" dummy.
3049 if ${MAKEINFO} --version \
3050 | egrep 'texinfo[^0-9]*(4\.([7-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then
3053 MAKEINFO="$MISSING makeinfo"
3059 # FIXME: expect and dejagnu may become build tools?
3061 AC_CHECK_PROGS(EXPECT, expect, expect)
3062 case " $configdirs " in
3064 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect'
3068 AC_CHECK_PROGS(RUNTEST, runtest, runtest)
3069 case " $configdirs " in
3071 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest'
3077 NCN_STRICT_CHECK_TOOLS(AR, ar)
3078 NCN_STRICT_CHECK_TOOLS(AS, as)
3079 NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool)
3080 NCN_STRICT_CHECK_TOOLS(LD, ld)
3081 NCN_STRICT_CHECK_TOOLS(LIPO, lipo)
3082 NCN_STRICT_CHECK_TOOLS(NM, nm)
3083 NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, true)
3084 NCN_STRICT_CHECK_TOOLS(STRIP, strip, true)
3085 NCN_STRICT_CHECK_TOOLS(WINDRES, windres)
3086 NCN_STRICT_CHECK_TOOLS(WINDMC, windmc)
3087 NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy)
3088 NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump)
3095 AC_ARG_WITH([build-time-tools],
3096 [AS_HELP_STRING([--with-build-time-tools=PATH],
3097 [use given path to find target tools during the build])],
3098 [case x"$withval" in
3101 with_build_time_tools=
3102 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path])
3105 [with_build_time_tools=])
3107 NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc)
3108 NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx)
3109 NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET})
3110 NCN_STRICT_CHECK_TARGET_TOOLS(GCJ_FOR_TARGET, gcj)
3111 NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran)
3112 NCN_STRICT_CHECK_TARGET_TOOLS(GOC_FOR_TARGET, gccgo)
3114 ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar)
3115 ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as)
3116 ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
3117 ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld)
3118 ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo)
3119 ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm)
3120 ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump)
3121 ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib)
3122 ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip)
3123 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
3124 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc)
3126 RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET"
3128 GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar])
3129 GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new])
3130 GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3131 dnl see comments for CXX_FOR_TARGET_FLAG_TO_PASS
3132 GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX,
3133 [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$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs],
3135 GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX,
3136 [gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs],
3138 GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool])
3139 GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3140 GCC_TARGET_TOOL(gcj, GCJ_FOR_TARGET, GCJ,
3141 [gcc/gcj -B$$r/$(HOST_SUBDIR)/gcc/], java)
3142 GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN,
3143 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran)
3144 GCC_TARGET_TOOL(gccgo, GOC_FOR_TARGET, GOC,
3145 [gcc/gccgo -B$$r/$(HOST_SUBDIR)/gcc/], go)
3146 GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new])
3147 GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO)
3148 GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new])
3149 GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump])
3150 GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib])
3151 GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip-new])
3152 GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres])
3153 GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc])
3155 AC_SUBST(FLAGS_FOR_TARGET)
3156 AC_SUBST(RAW_CXX_FOR_TARGET)
3158 # Certain tools may need extra flags.
3159 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
3160 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
3161 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
3163 # When building target libraries, except in a Canadian cross, we use
3164 # the same toolchain as the compiler we just built.
3165 COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)'
3166 COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)'
3167 COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)'
3168 if test $host = $build; then
3169 case " $configdirs " in
3171 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as'
3172 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld'
3173 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target}
3178 AC_SUBST(COMPILER_AS_FOR_TARGET)
3179 AC_SUBST(COMPILER_LD_FOR_TARGET)
3180 AC_SUBST(COMPILER_NM_FOR_TARGET)
3182 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
3183 AC_ARG_ENABLE(maintainer-mode,
3184 [AS_HELP_STRING([--enable-maintainer-mode],
3185 [enable make rules and dependencies not useful
3186 (and sometimes confusing) to the casual installer])],
3187 USE_MAINTAINER_MODE=$enableval,
3188 USE_MAINTAINER_MODE=no)
3189 AC_MSG_RESULT($USE_MAINTAINER_MODE)
3190 AC_SUBST(MAINTAINER_MODE_TRUE)
3191 AC_SUBST(MAINTAINER_MODE_FALSE)
3192 if test "$USE_MAINTAINER_MODE" = yes; then
3193 MAINTAINER_MODE_TRUE=
3194 MAINTAINER_MODE_FALSE='#'
3196 MAINTAINER_MODE_TRUE='#'
3197 MAINTAINER_MODE_FALSE=
3199 MAINT=$MAINTAINER_MODE_TRUE
3202 # ---------------------
3203 # GCC bootstrap support
3204 # ---------------------
3206 # Stage specific cflags for build.
3211 yes) stage1_cflags="-g -Wa,-J" ;;
3212 *) stage1_cflags="-g -J" ;;
3216 # This is aimed to mimic bootstrap with a non-GCC compiler to catch problems.
3217 if test "$GCC" = yes -a "$ENABLE_BUILD_WITH_CXX" != yes; then
3218 saved_CFLAGS="$CFLAGS"
3220 # Pass -fkeep-inline-functions for stage 1 if the GCC version supports it.
3221 CFLAGS="$CFLAGS -fkeep-inline-functions"
3222 AC_MSG_CHECKING([whether -fkeep-inline-functions is supported])
3224 #if (__GNUC__ < 3) \
3225 || (__GNUC__ == 3 && (__GNUC_MINOR__ < 3 \
3226 || (__GNUC_MINOR__ == 3 && __GNUC_PATCHLEVEL__ < 1)))
3227 #error http://gcc.gnu.org/PR29382
3230 [AC_MSG_RESULT([yes]); stage1_cflags="$stage1_cflags -fkeep-inline-functions"],
3231 [AC_MSG_RESULT([no])])
3233 CFLAGS="$saved_CFLAGS"
3236 AC_SUBST(stage1_cflags)
3238 # Enable --enable-checking in stage1 of the compiler.
3239 AC_ARG_ENABLE(stage1-checking,
3240 [AS_HELP_STRING([[--enable-stage1-checking[=all]]],
3241 [choose additional checking for stage1 of the compiler])],
3242 [stage1_checking=--enable-checking=${enable_stage1_checking}],
3243 [if test "x$enable_checking" = xno || test "x$enable_checking" = x; then
3244 stage1_checking=--enable-checking=yes,types
3246 stage1_checking=--enable-checking=$enable_checking,types
3248 AC_SUBST(stage1_checking)
3250 # Enable -Werror in bootstrap stage2 and later.
3251 AC_ARG_ENABLE(werror,
3252 [AS_HELP_STRING([--enable-werror],
3253 [enable -Werror in bootstrap stage2 and later])], [],
3254 [if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then
3259 case ${enable_werror} in
3260 yes) stage2_werror_flag="--enable-werror-always" ;;
3261 *) stage2_werror_flag="" ;;
3263 AC_SUBST(stage2_werror_flag)
3265 # Specify what files to not compare during bootstrap.
3267 compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*"
3269 hppa*64*-*-hpux*) ;;
3270 hppa*-*-hpux*) compare_exclusions="gcc/cc*-checksum\$(objext) | */libgcc/lib2funcs* | gcc/ada/*tools/*" ;;
3272 case " $configdirs " in
3273 *" ppl "*) compare_exclusions="$compare_exclusions | ppl/src/ppl-config.o" ;;
3275 AC_SUBST(compare_exclusions)
3277 AC_CONFIG_FILES([Makefile],
3278 [sed "$extrasub_build" Makefile |
3279 sed "$extrasub_host" |
3280 sed "$extrasub_target" > mf$$
3281 mv -f mf$$ Makefile],
3282 [extrasub_build="$extrasub_build"
3283 extrasub_host="$extrasub_host"
3284 extrasub_target="$extrasub_target"])