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 ### we might need to use some other shell than /bin/sh for running subshells
93 ### If we are on Windows, search for the shell. This will permit people
94 ### to not have /bin/sh, but to be able to see /SOME/PATH/sh configure
95 ### without also having to set CONFIG_SHELL. This code will work when
96 ### using bash, which sets OSTYPE.
99 if test x${CONFIG_SHELL} = x ; then
100 if test ! -f /bin/sh ; then
101 if test x${SHELL} != x && test -f ${SHELL} ; then
102 CONFIG_SHELL=${SHELL}
105 for prog in sh sh.exe bash bash.exe; do
106 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
108 test -z "$dir" && dir=.
109 if test -f $dir/$prog; then
110 CONFIG_SHELL=$dir/$prog
116 test -n "${CONFIG_SHELL}" && break
124 config_shell=${CONFIG_SHELL-/bin/sh}
126 moveifchange=${srcdir}/move-if-change
128 srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}`
130 # We pass INSTALL explicitly to sub-makes. Make sure that it is not
132 if test "$INSTALL" = "${srcdir}/install-sh -c"; then
133 INSTALL="${srcpwd}/install-sh -c"
136 # Set srcdir to "." if that's what it is.
137 # This is important for multilib support.
139 if test "${pwd}" = "${srcpwd}" ; then
147 ### To add a new directory to the tree, first choose whether it is a target
148 ### or a host dependent tool. Then put it into the appropriate list
149 ### (library or tools, host or target), doing a dependency sort.
151 # Subdirs will be configured in the order listed in build_configdirs,
152 # configdirs, or target_configdirs; see the serialization section below.
154 # Dependency sorting is only needed when *configuration* must be done in
155 # a particular order. In all cases a dependency should be specified in
156 # the Makefile, whether or not it's implicitly specified here.
158 # Double entries in build_configdirs, configdirs, or target_configdirs may
159 # cause circular dependencies and break everything horribly.
161 # these library is used by various programs built for the build
164 build_libs="build-libiberty"
166 # these tools are built for the build environment
167 build_tools="build-texinfo build-byacc build-flex build-bison build-m4 build-fixincludes"
169 # these libraries are used by various programs built for the host environment
171 host_libs="intl mmalloc libiberty opcodes bfd readline tcl tk itcl libgui zlib libcpp libdecnumber gmp mpfr mpc ppl cloog libelf libiconv"
173 # these tools are built for the host environment
174 # Note, the powerpc-eabi build depends on sim occurring before gdb in order to
175 # know that we are building the simulator.
176 # binutils, gas and ld appear in that order because it makes sense to run
177 # "make check" in that particular order.
178 # If --enable-gold is used, "gold" may replace "ld".
179 host_tools="texinfo byacc flex bison binutils gas ld fixincludes gcc cgen sid sim gdb make patch prms send-pr gprof etc expect dejagnu ash bash bzip2 m4 autoconf automake libtool diff rcs fileutils shellutils time textutils wdiff find uudecode hello tar gzip indent recode release sed utils guile perl gawk findutils gettext zip fastjar gnattools"
181 # libgcj represents the runtime libraries only used by gcj.
182 libgcj="target-libffi \
187 # these libraries are built for the target environment, and are built after
188 # the host libraries and the host tools (which may be a cross compiler)
190 target_libraries="target-libgcc \
195 target-libstdc++-v3 \
206 # these tools are built using the target libraries, and are intended to
207 # run only in the target environment
209 # note: any program that *uses* libraries that are in the "target_libraries"
210 # list belongs in this list.
212 target_tools="target-examples target-gperf target-rda"
214 ################################################################################
216 ## All tools belong in one of the four categories, and are assigned above
217 ## We assign ${configdirs} this way to remove all embedded newlines. This
218 ## is important because configure will choke if they ever get through.
219 ## ${configdirs} is directories we build using the host tools.
220 ## ${target_configdirs} is directories we build using the target tools.
221 configdirs=`echo ${host_libs} ${host_tools}`
222 target_configdirs=`echo ${target_libraries} ${target_tools}`
223 build_configdirs=`echo ${build_libs} ${build_tools}`
225 m4_divert_text([PARSE_ARGS],
228 m4_pushdef([AS_MESSAGE_LOG_FD], [])dnl
229 AC_MSG_ERROR([path to source, $srcdir, contains spaces])
230 m4_popdef([AS_MESSAGE_LOG_FD])dnl
233 ac_subdirs_all=`cd $srcdir && echo */configure | sed 's,/configure,,g'`
236 ################################################################################
238 srcname="gnu development package"
240 # This gets set non-empty for some net releases of packages.
243 # Define is_cross_compiler to save on calls to 'test'.
245 if test x"${host}" = x"${target}" ; then
248 is_cross_compiler=yes
251 # Find the build and target subdir names.
253 # Be sure to cover against remnants of an in-tree build.
254 if test $srcdir != . && test -d $srcdir/host-${host_noncanonical}; then
255 AC_MSG_ERROR([building out of tree but $srcdir contains host-${host_noncanonical}.
256 Use a pristine source tree when building in a separate tree])
259 # Skipdirs are removed silently.
261 # Noconfigdirs are removed loudly.
265 # Make sure we don't let GNU ld be added if we didn't want it.
266 if test x$with_gnu_ld = xno ; then
268 noconfigdirs="$noconfigdirs ld gold"
272 # Make sure we don't let GNU as be added if we didn't want it.
273 if test x$with_gnu_as = xno ; then
275 noconfigdirs="$noconfigdirs gas"
279 # Make sure we don't let ZLIB be added if we didn't want it.
280 if test x$with_system_zlib = xyes ; then
282 noconfigdirs="$noconfigdirs zlib"
285 # some tools are so dependent upon X11 that if we're not building with X,
286 # it's not even worth trying to configure, much less build, that tool.
289 yes | "") ;; # the default value for this tree is that X11 is available
291 skipdirs="${skipdirs} tk itcl libgui"
292 # We won't be able to build gdbtk without X.
295 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
298 # Some are only suitable for cross toolchains.
299 # Remove these if host=target.
300 cross_only="target-libgloss target-newlib target-opcodes"
302 case $is_cross_compiler in
303 no) skipdirs="${skipdirs} ${cross_only}" ;;
306 # If both --with-headers and --with-libs are specified, default to
308 if test x"${with_headers}" != x && test x"${with_headers}" != xno \
309 && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
310 if test x"${with_newlib}" = x ; then
315 # Recognize --with-newlib/--without-newlib.
316 case ${with_newlib} in
317 no) skipdirs="${skipdirs} target-newlib" ;;
318 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
321 # Handle --enable-gold, --enable-ld.
322 # --disable-gold [--enable-ld]
323 # Build only ld. Default option.
324 # --enable-gold [--enable-ld]
325 # Build both gold and ld. Install gold as "ld.gold", install ld
326 # as "ld.bfd" and "ld".
327 # --enable-gold=default [--enable-ld]
328 # Build both gold and ld. Install gold as "ld.gold" and "ld",
329 # install ld as "ld.bfd".
330 # --enable-gold[=default] --disable-ld
331 # Build only gold, which is then installed as both "ld.gold" and "ld".
332 # --enable-gold --enable-ld=default
333 # Build both gold (installed as "ld.gold") and ld (installed as "ld"
335 # In other words, ld is default
336 # --enable-gold=default --enable-ld=default
341 [AS_HELP_STRING([[--enable-gold[=ARG]]],
342 [build gold @<:@ARG={default,yes,no}@:>@])],
343 ENABLE_GOLD=$enableval,
345 case "${ENABLE_GOLD}" in
347 # Check for ELF target.
350 *-*-elf* | *-*-sysv4* | *-*-unixware* | *-*-eabi* | hppa*64*-*-hpux* \
351 | *-*-linux* | frv-*-uclinux* | *-*-irix5* | *-*-irix6* \
352 | *-*-netbsd* | *-*-openbsd* | *-*-freebsd* | *-*-dragonfly* \
353 | *-*-solaris2* | *-*-nto*)
355 *-*-linux*aout* | *-*-linux*oldld*)
363 if test "$is_elf" = "yes"; then
364 # Check for target supported by gold.
366 i?86-*-* | x86_64-*-* | sparc*-*-* | powerpc*-*-* | arm*-*-*)
367 configdirs="$configdirs gold"
368 if test x${ENABLE_GOLD} = xdefault; then
379 AC_MSG_ERROR([invalid --enable-gold argument])
384 [AS_HELP_STRING([[--enable-ld[=ARG]]],
385 [build ld @<:@ARG={default,yes,no}@:>@])],
386 ENABLE_LD=$enableval,
389 case "${ENABLE_LD}" in
391 if test x${default_ld} != x; then
392 AC_MSG_ERROR([either gold or ld can be the default ld])
398 if test x${ENABLE_GOLD} != xyes; then
399 AC_MSG_WARN([neither ld nor gold are enabled])
401 configdirs=`echo " ${configdirs} " | sed -e 's/ ld / /'`
404 AC_MSG_ERROR([invalid --enable-ld argument])
408 # Configure extra directories which are host specific
412 configdirs="$configdirs libtermcap" ;;
415 # A target can indicate whether a language isn't supported for some reason.
416 # Only spaces may be used in this macro; not newlines or tabs.
417 unsupported_languages=
419 # Remove more programs from consideration, based on the host or
420 # target this usually means that a port of the program doesn't
424 i[[3456789]]86-*-msdosdjgpp*)
425 noconfigdirs="$noconfigdirs tcl tk itcl"
430 AC_ARG_ENABLE(libquadmath,
431 AS_HELP_STRING([--disable-libquadmath],
432 [do not build libquadmath directory]),
433 ENABLE_LIBQUADMATH=$enableval,
434 ENABLE_LIBQUADMATH=yes)
435 if test "${ENABLE_LIBQUADMATH}" = "no" ; then
436 noconfigdirs="$noconfigdirs target-libquadmath"
440 AC_ARG_ENABLE(libquadmath-support,
441 AS_HELP_STRING([--disable-libquadmath-support],
442 [disable libquadmath support for Fortran]),
443 ENABLE_LIBQUADMATH_SUPPORT=$enableval,
444 ENABLE_LIBQUADMATH_SUPPORT=yes)
445 enable_libquadmath_support=
446 if test "${ENABLE_LIBQUADMATH_SUPPORT}" = "no" ; then
447 enable_libquadmath_support=no
451 AC_ARG_ENABLE(libada,
452 [AS_HELP_STRING([--enable-libada], [build libada directory])],
453 ENABLE_LIBADA=$enableval,
455 if test "${ENABLE_LIBADA}" != "yes" ; then
456 noconfigdirs="$noconfigdirs gnattools"
459 AC_ARG_ENABLE(libssp,
460 [AS_HELP_STRING([--enable-libssp], [build libssp directory])],
461 ENABLE_LIBSSP=$enableval,
464 # Save it here so that, even in case of --enable-libgcj, if the Java
465 # front-end isn't enabled, we still get libgcj disabled.
467 case $enable_libgcj in
469 # If we reset it here, it won't get added to noconfigdirs in the
470 # target-specific build rules, so it will be forcibly enabled
471 # (unless the Java language itself isn't enabled).
475 # Make sure we get it printed in the list of not supported target libs.
476 # Don't disable libffi, though, other languages use it.
477 noconfigdirs="$noconfigdirs `echo ${libgcj} | sed -e 's/target-libffi//'`"
478 # Clear libgcj_saved so that even if java is enabled libffi won't be
485 # Disable libmudflap on some systems.
486 if test x$enable_libmudflap = x ; then
488 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | bfin*-*-uclinux* | *-*-kopensolaris*-gnu)
489 # Enable libmudflap by default in GNU and friends.
492 # Enable libmudflap by default in FreeBSD.
495 # Disable it by default everywhere else.
496 noconfigdirs="$noconfigdirs target-libmudflap"
501 # Disable libgomp on non POSIX hosted systems.
502 if test x$enable_libgomp = x ; then
503 # Enable libgomp by default on hosted POSIX systems.
505 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
507 *-*-netbsd* | *-*-freebsd* | *-*-openbsd* | *-*-dragonfly*)
509 *-*-solaris2* | *-*-sysv4* | *-*-irix6* | *-*-osf* | *-*-hpux11*)
511 *-*-darwin* | *-*-aix*)
514 noconfigdirs="$noconfigdirs target-libgomp"
519 # Default libgloss CPU subdirectory.
520 libgloss_dir="$target_cpu"
524 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
527 noconfigdirs="$noconfigdirs ld gas gdb gprof"
528 noconfigdirs="$noconfigdirs sim target-rda"
530 i[[3456789]]86-*-darwin*)
531 noconfigdirs="$noconfigdirs ld gprof"
532 noconfigdirs="$noconfigdirs sim target-rda"
534 x86_64-*-darwin[[912]]*)
535 noconfigdirs="$noconfigdirs ld gas gprof"
536 noconfigdirs="$noconfigdirs sim target-rda"
539 noconfigdirs="$noconfigdirs ld gas gdb gprof"
540 noconfigdirs="$noconfigdirs sim target-rda"
541 noconfigdirs="$noconfigdirs ${libgcj}"
544 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
547 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
548 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
549 && test -f /usr/local/include/gmp.h; then
553 # Skip some stuff that's unsupported on some FreeBSD configurations.
559 noconfigdirs="$noconfigdirs ${libgcj}"
564 # Remove unsupported stuff on all kaOS configurations.
565 skipdirs="target-libiberty"
566 noconfigdirs="$noconfigdirs target-libgloss"
569 # Skip some stuff on all NetBSD configurations.
570 noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss"
572 # Skip some stuff that's unsupported on some NetBSD configurations.
574 i*86-*-netbsdelf*) ;;
575 arm*-*-netbsdelf*) ;;
577 noconfigdirs="$noconfigdirs ${libgcj}"
582 noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss ${libgcj}"
585 skipdirs="${skipdirs} target-libiberty"
586 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
588 # The tpf target doesn't support gdb yet.
590 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libiberty ${libgcj} gdb tcl tk libgui itcl"
593 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-rda ${libgcj}"
596 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libiberty target-libstdc++-v3 ${libgcj}"
599 # ld works, but does not support shared libraries.
600 # newlib is not 64 bit ready.
601 # gas doesn't generate exception information.
602 noconfigdirs="$noconfigdirs gas ld target-newlib target-libgloss"
605 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
608 # newlib is not 64 bit ready
609 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
612 # newlib is not 64 bit ready
613 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
616 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
619 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
621 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
622 noconfigdirs="$noconfigdirs ${libgcj}"
623 noconfigdirs="$noconfigdirs target-libiberty"
624 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
625 # the C++ libraries don't build on top of CE's C libraries
626 noconfigdirs="$noconfigdirs target-libstdc++-v3"
627 noconfigdirs="$noconfigdirs target-newlib"
631 noconfigdirs="$noconfigdirs target-libgloss"
636 arm-*-elf* | arm*-*-eabi* )
637 noconfigdirs="$noconfigdirs target-libffi"
640 arm*-*-linux-gnueabi)
641 case ${with_newlib} in
642 no) noconfigdirs="$noconfigdirs target-newlib target-libgloss"
647 noconfigdirs="$noconfigdirs ${libgcj} target-libiberty"
651 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
654 noconfigdirs="$noconfigdirs ld target-libgloss"
657 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj} target-libssp"
660 unsupported_languages="$unsupported_languages java"
661 noconfigdirs="$noconfigdirs target-boehm-gc"
664 noconfigdirs="$noconfigdirs target-libgloss"
667 noconfigdirs="$noconfigdirs target-libgloss gdb"
670 noconfigdirs="$noconfigdirs ${libgcj} gdb"
672 cris-*-* | crisv32-*-*)
673 unsupported_languages="$unsupported_languages java"
676 noconfigdirs="$noconfigdirs target-newlib target-libgloss";;
677 *) # See PR46792 regarding target-libffi.
678 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";;
683 noconfigdirs="$noconfigdirs target-libgloss"
686 noconfigdirs="$noconfigdirs gdb"
689 noconfigdirs="$noconfigdirs ${libgcj} gdb"
692 noconfigdirs="$noconfigdirs ${libgcj}"
695 noconfigdirs="$noconfigdirs ${libgcj}"
696 noconfigdirs="$noconfigdirs gprof"
699 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
702 noconfigdirs="$noconfigdirs target-libgloss"
704 hppa1.1-*-osf* | hppa1.1-*-bsd* )
707 # In this case, it's because the hppa64-linux target is for
708 # the kernel only at this point and has no libc, and thus no
709 # headers, crt*.o, etc., all of which are needed by these.
710 noconfigdirs="$noconfigdirs target-zlib"
718 noconfigdirs="$noconfigdirs ${libgcj}"
721 noconfigdirs="$noconfigdirs ld"
727 # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
728 # build on HP-UX 10.20.
729 noconfigdirs="$noconfigdirs ld ${libgcj}"
732 noconfigdirs="$noconfigdirs gdb"
735 # No gdb support yet.
736 noconfigdirs="$noconfigdirs readline libgui itcl gdb"
740 noconfigdirs="$noconfigdirs ${libgcj} libgui itcl ld"
743 # No gdb or ld support yet.
744 noconfigdirs="$noconfigdirs ${libgcj} readline libgui itcl gdb ld"
746 i[[3456789]]86-*-coff | i[[3456789]]86-*-elf)
747 noconfigdirs="$noconfigdirs ${libgcj}"
750 i[[3456789]]86-*-linux*)
751 # This section makes it possible to build newlib natively on linux.
752 # If we are using a cross compiler then don't configure newlib.
753 if test x${is_cross_compiler} != xno ; then
754 noconfigdirs="$noconfigdirs target-newlib"
756 noconfigdirs="$noconfigdirs target-libgloss"
757 # If we are not using a cross compiler, do configure newlib.
758 # Note however, that newlib will only be configured in this situation
759 # if the --with-newlib option has been given, because otherwise
760 # 'target-newlib' will appear in skipdirs.
762 i[[3456789]]86-w64-mingw*)
763 noconfigdirs="$noconfigdirs target-libgloss target-newlib ${libgcj}"
765 i[[3456789]]86-*-mingw*)
766 target_configdirs="$target_configdirs target-winsup"
767 noconfigdirs="$noconfigdirs target-libgloss target-newlib ${libgcj}"
770 noconfigdirs="$noconfigdirs target-libgloss target-newlib ${libgcj}"
773 target_configdirs="$target_configdirs target-libtermcap target-winsup"
774 noconfigdirs="$noconfigdirs target-libgloss"
775 # always build newlib if winsup directory is present.
776 if test -d "$srcdir/winsup/cygwin"; then
777 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
778 elif test -d "$srcdir/newlib"; then
779 echo "Warning: winsup/cygwin is missing so newlib can't be built."
782 i[[3456789]]86-*-interix* )
785 noconfigdirs="$noconfigdirs target-libgloss"
787 i[[3456789]]86-*-sco3.2v5*)
788 # The linker does not yet know about weak symbols in COFF,
789 # and is not configured to handle mixed ELF and COFF.
790 noconfigdirs="$noconfigdirs ld target-libgloss"
792 i[[3456789]]86-*-sco*)
793 noconfigdirs="$noconfigdirs gprof target-libgloss"
795 i[[3456789]]86-*-solaris2*)
796 noconfigdirs="$noconfigdirs target-libgloss"
798 i[[3456789]]86-*-sysv4*)
799 noconfigdirs="$noconfigdirs target-libgloss"
801 i[[3456789]]86-*-beos*)
802 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
804 i[[3456789]]86-*-rdos*)
805 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
808 noconfigdirs="$noconfigdirs ${libgcj}"
810 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
811 noconfigdirs="$noconfigdirs target-libiberty"
815 noconfigdirs="$noconfigdirs ${libgcj}"
821 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc gdb"
822 unsupported_languages="$unsupported_languages fortran java"
825 noconfigdirs="$noconfigdirs sim"
828 noconfigdirs="$noconfigdirs target-libiberty"
831 # copied from rs6000-*-* entry
832 noconfigdirs="$noconfigdirs gprof target-libgloss target-libssp target-newlib ${libgcj}"
834 powerpc*-*-winnt* | powerpc*-*-pe*)
835 target_configdirs="$target_configdirs target-winsup"
836 noconfigdirs="$noconfigdirs gdb tcl tk target-libgloss itcl"
837 # always build newlib.
838 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
840 # This is temporary until we can link against shared libraries
841 powerpcle-*-solaris*)
842 noconfigdirs="$noconfigdirs gdb sim tcl tk itcl"
846 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
849 noconfigdirs="$noconfigdirs ${libgcj}"
852 powerpc-*-eabi* | powerpcle-*-eabi* | powerpc-*-rtems* )
856 noconfigdirs="$noconfigdirs target-newlib gprof ${libgcj}"
859 noconfigdirs="$noconfigdirs gprof target-libgloss target-libssp target-newlib ${libgcj}"
862 noconfigdirs="$noconfigdirs gprof ${libgcj}"
865 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss"
868 noconfigdirs="$noconfigdirs gprof target-libssp ${libgcj}"
871 skipdirs="$skipdirs target-libiberty"
872 noconfigdirs="$noconfigdirs ${libgcj}"
873 if test x$with_newlib = xyes; then
874 noconfigdirs="$noconfigdirs gprof"
879 noconfigdirs="$noconfigdirs gprof target-libgloss"
882 # Linking libjava exceeds command-line length limits on at least
883 # IRIX 6.2, but not on IRIX 6.5.
884 # Also, boehm-gc won't build on IRIX 6.5, according to Jeffrey Oldham
885 # <oldham@codesourcery.com>
886 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
889 noconfigdirs="$noconfigdirs gprof target-libgloss"
892 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
895 noconfigdirs="$noconfigdirs gprof ${libgcj}"
901 noconfigdirs="$noconfigdirs ${libgcj}" ;;
903 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}" ;;
906 sparclet-*-aout* | sparc86x-*-*)
910 noconfigdirs="$noconfigdirs ${libgcj}"
913 noconfigdirs="$noconfigdirs ${libgcj}"
920 if test x${is_cross_compiler} != xno ; then
921 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
926 sparc-*-solaris* | sparc64-*-solaris* | sparcv9-*-solaris*)
929 noconfigdirs="$noconfigdirs gdb sim ${libgcj}"
932 noconfigdirs="$noconfigdirs bfd binutils gas gdb ld opcodes target-libgloss"
935 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
938 noconfigdirs="$noconfigdirs target-libiberty"
940 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
941 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
944 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
947 noconfigdirs="$noconfigdirs ${libgcj}"
951 # If we aren't building newlib, then don't build libgloss, since libgloss
952 # depends upon some newlib header files.
953 case "${noconfigdirs}" in
954 *target-libgloss*) ;;
955 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
958 # Work in distributions that contain no compiler tools, like Autoconf.
959 host_makefile_frag=/dev/null
960 if test -d ${srcdir}/config ; then
962 i[[3456789]]86-*-msdosdjgpp*)
963 host_makefile_frag="config/mh-djgpp"
966 ACX_CHECK_CYGWIN_CAT_WORKS
967 host_makefile_frag="config/mh-cygwin"
970 host_makefile_frag="config/mh-mingw"
973 host_makefile_frag="config/mh-interix"
976 host_makefile_frag="config/mh-pa-hpux10"
979 host_makefile_frag="config/mh-pa"
982 host_makefile_frag="config/mh-pa"
985 host_makefile_frag="config/mh-darwin"
988 host_makefile_frag="config/mh-ppc-aix"
991 host_makefile_frag="config/mh-ppc-aix"
996 if test "${build}" != "${host}" ; then
997 AR_FOR_BUILD=${AR_FOR_BUILD-ar}
998 AS_FOR_BUILD=${AS_FOR_BUILD-as}
999 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
1000 CXX_FOR_BUILD=${CXX_FOR_BUILD-g++}
1001 GCJ_FOR_BUILD=${GCJ_FOR_BUILD-gcj}
1002 GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran}
1003 GOC_FOR_BUILD=${GOC_FOR_BUILD-gccgo}
1004 DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool}
1005 LD_FOR_BUILD=${LD_FOR_BUILD-ld}
1006 NM_FOR_BUILD=${NM_FOR_BUILD-nm}
1007 RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib}
1008 WINDRES_FOR_BUILD=${WINDRES_FOR_BUILD-windres}
1009 WINDMC_FOR_BUILD=${WINDMC_FOR_BUILD-windmc}
1011 AR_FOR_BUILD="\$(AR)"
1012 AS_FOR_BUILD="\$(AS)"
1013 CC_FOR_BUILD="\$(CC)"
1014 CXX_FOR_BUILD="\$(CXX)"
1015 GCJ_FOR_BUILD="\$(GCJ)"
1016 GFORTRAN_FOR_BUILD="\$(GFORTRAN)"
1017 GOC_FOR_BUILD="\$(GOC)"
1018 DLLTOOL_FOR_BUILD="\$(DLLTOOL)"
1019 LD_FOR_BUILD="\$(LD)"
1020 NM_FOR_BUILD="\$(NM)"
1021 RANLIB_FOR_BUILD="\$(RANLIB)"
1022 WINDRES_FOR_BUILD="\$(WINDRES)"
1023 WINDMC_FOR_BUILD="\$(WINDMC)"
1029 # We must set the default linker to the linker used by gcc for the correct
1030 # operation of libtool. If LD is not defined and we are using gcc, try to
1031 # set the LD default to the ld used by gcc.
1032 if test -z "$LD"; then
1033 if test "$GCC" = yes; then
1036 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1038 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1040 case $gcc_prog_ld in
1041 # Accept absolute paths.
1042 [[\\/]* | [A-Za-z]:[\\/]*)]
1043 LD="$gcc_prog_ld" ;;
1049 ACX_PROG_CMP_IGNORE_INITIAL
1051 # See if we are building gcc with C++.
1052 AC_ARG_ENABLE(build-with-cxx,
1053 [AS_HELP_STRING([--enable-build-with-cxx],
1054 [build with C++ compiler instead of C compiler])],
1055 ENABLE_BUILD_WITH_CXX=$enableval,
1056 ENABLE_BUILD_WITH_CXX=no)
1058 # Used for setting $lt_cv_objdir
1061 # Check for GMP, MPFR and MPC
1062 gmplibs="-lmpc -lmpfr -lgmp"
1066 # Specify a location for mpc
1067 # check for this first so it ends up on the link line before mpfr.
1069 [AS_HELP_STRING([--with-mpc=PATH],
1070 [specify prefix directory for installed MPC package.
1071 Equivalent to --with-mpc-include=PATH/include
1072 plus --with-mpc-lib=PATH/lib])])
1073 AC_ARG_WITH(mpc-include,
1074 [AS_HELP_STRING([--with-mpc-include=PATH],
1075 [specify directory for installed MPC include files])])
1076 AC_ARG_WITH(mpc-lib,
1077 [AS_HELP_STRING([--with-mpc-lib=PATH],
1078 [specify directory for the installed MPC library])])
1080 if test "x$with_mpc" != x; then
1081 gmplibs="-L$with_mpc/lib $gmplibs"
1082 gmpinc="-I$with_mpc/include $gmpinc"
1084 if test "x$with_mpc_include" != x; then
1085 gmpinc="-I$with_mpc_include $gmpinc"
1087 if test "x$with_mpc_lib" != x; then
1088 gmplibs="-L$with_mpc_lib $gmplibs"
1090 if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then
1091 gmplibs='-L$$r/$(HOST_SUBDIR)/mpc/src/'"$lt_cv_objdir $gmplibs"
1092 gmpinc='-I$$s/mpc/src '"$gmpinc"
1093 # Do not test the mpc version. Assume that it is sufficient, since
1094 # it is in the source tree, and the library has not been built yet
1095 # but it would be included on the link line in the version check below
1096 # hence making the test fail.
1100 # Specify a location for mpfr
1101 # check for this first so it ends up on the link line before gmp.
1102 AC_ARG_WITH(mpfr-dir,
1103 [AS_HELP_STRING([--with-mpfr-dir=PATH], [this option has been REMOVED])],
1104 [AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed.
1105 Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH])])
1108 [AS_HELP_STRING([--with-mpfr=PATH],
1109 [specify prefix directory for installed MPFR package.
1110 Equivalent to --with-mpfr-include=PATH/include
1111 plus --with-mpfr-lib=PATH/lib])])
1112 AC_ARG_WITH(mpfr-include,
1113 [AS_HELP_STRING([--with-mpfr-include=PATH],
1114 [specify directory for installed MPFR include files])])
1115 AC_ARG_WITH(mpfr-lib,
1116 [AS_HELP_STRING([--with-mpfr-lib=PATH],
1117 [specify directory for the installed MPFR library])])
1119 if test "x$with_mpfr" != x; then
1120 gmplibs="-L$with_mpfr/lib $gmplibs"
1121 gmpinc="-I$with_mpfr/include $gmpinc"
1123 if test "x$with_mpfr_include" != x; then
1124 gmpinc="-I$with_mpfr_include $gmpinc"
1126 if test "x$with_mpfr_lib" != x; then
1127 gmplibs="-L$with_mpfr_lib $gmplibs"
1129 if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then
1130 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir $gmplibs"
1131 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr -I$$s/mpfr '"$gmpinc"
1132 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir"
1133 # Do not test the mpfr version. Assume that it is sufficient, since
1134 # it is in the source tree, and the library has not been built yet
1135 # but it would be included on the link line in the version check below
1136 # hence making the test fail.
1140 # Specify a location for gmp
1141 AC_ARG_WITH(gmp-dir,
1142 [AS_HELP_STRING([--with-gmp-dir=PATH], [this option has been REMOVED])],
1143 [AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed.
1144 Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH])])
1147 [AS_HELP_STRING([--with-gmp=PATH],
1148 [specify prefix directory for the installed GMP package.
1149 Equivalent to --with-gmp-include=PATH/include
1150 plus --with-gmp-lib=PATH/lib])])
1151 AC_ARG_WITH(gmp-include,
1152 [AS_HELP_STRING([--with-gmp-include=PATH],
1153 [specify directory for installed GMP include files])])
1154 AC_ARG_WITH(gmp-lib,
1155 [AS_HELP_STRING([--with-gmp-lib=PATH],
1156 [specify directory for the installed GMP library])])
1159 if test "x$with_gmp" != x; then
1160 gmplibs="-L$with_gmp/lib $gmplibs"
1161 gmpinc="-I$with_gmp/include $gmpinc"
1163 if test "x$with_gmp_include" != x; then
1164 gmpinc="-I$with_gmp_include $gmpinc"
1166 if test "x$with_gmp_lib" != x; then
1167 gmplibs="-L$with_gmp_lib $gmplibs"
1169 if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then
1170 gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir $gmplibs"
1171 gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc"
1172 extra_mpfr_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
1173 extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
1174 # Do not test the gmp 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 if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then
1183 saved_CFLAGS="$CFLAGS"
1184 CFLAGS="$CFLAGS $gmpinc"
1185 # Check for the recommended and required versions of GMP.
1186 AC_MSG_CHECKING([for the correct version of gmp.h])
1187 AC_TRY_COMPILE([#include "gmp.h"],[
1188 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1189 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1190 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,0)
1193 ], [AC_TRY_COMPILE([#include <gmp.h>],[
1194 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1195 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1196 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,3,2)
1199 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1200 [AC_MSG_RESULT([no]); have_gmp=no])
1202 # If we have GMP, check the MPFR version.
1203 if test x"$have_gmp" = xyes; then
1204 # Check for the recommended and required versions of MPFR.
1205 AC_MSG_CHECKING([for the correct version of mpfr.h])
1206 AC_TRY_COMPILE([#include <gmp.h>
1207 #include <mpfr.h>],[
1208 #if MPFR_VERSION < MPFR_VERSION_NUM(2,3,1)
1211 ], [AC_TRY_COMPILE([#include <gmp.h>
1212 #include <mpfr.h>],[
1213 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,2)
1216 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1217 [AC_MSG_RESULT([no]); have_gmp=no])
1220 # Check for the MPC header version.
1221 if test x"$have_gmp" = xyes ; then
1222 # Check for the recommended and required versions of MPC.
1223 AC_MSG_CHECKING([for the correct version of mpc.h])
1224 AC_TRY_COMPILE([#include <mpc.h>],[
1225 #if MPC_VERSION < MPC_VERSION_NUM(0,8,0)
1228 ], [AC_TRY_COMPILE([#include <mpc.h>],[
1229 #if MPC_VERSION < MPC_VERSION_NUM(0,8,1)
1232 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1233 [AC_MSG_RESULT([no]); have_gmp=no])
1236 # Now check the MPFR library.
1237 if test x"$have_gmp" = xyes; then
1239 LIBS="$LIBS $gmplibs"
1240 AC_MSG_CHECKING([for the correct version of the gmp/mpfr/mpc libraries])
1241 AC_TRY_LINK([#include <mpc.h>],[
1248 mpfr_atan2 (n, n, x, GMP_RNDN);
1249 mpfr_erfc (n, x, GMP_RNDN);
1250 mpfr_subnormalize (x, t, GMP_RNDN);
1254 mpc_set_ui_ui (c, 1, 1, MPC_RNDNN);
1255 mpc_cosh (c, c, MPC_RNDNN);
1256 mpc_pow (c, c, c, MPC_RNDNN);
1257 mpc_acosh (c, c, MPC_RNDNN);
1259 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1263 CFLAGS="$saved_CFLAGS"
1265 # The library versions listed in the error message below should match
1266 # the HARD-minimums enforced above.
1267 if test x$have_gmp != xyes; then
1268 AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 2.3.1+ and MPC 0.8.0+.
1269 Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify
1270 their locations. Source code for these libraries can be found at
1271 their respective hosting sites as well as at
1272 ftp://gcc.gnu.org/pub/gcc/infrastructure/. See also
1273 http://gcc.gnu.org/install/prerequisites.html for additional info. If
1274 you obtained GMP, MPFR and/or MPC from a vendor distribution package,
1275 make sure that you have installed both the libraries and the header
1276 files. They may be located in separate packages.])
1280 # Flags needed for both GMP, MPFR and/or MPC.
1283 AC_SUBST(extra_mpfr_configure_flags)
1284 AC_SUBST(extra_mpc_gmp_configure_flags)
1285 AC_SUBST(extra_mpc_mpfr_configure_flags)
1287 # Allow host libstdc++ to be specified for static linking with PPL.
1288 AC_ARG_WITH(host-libstdcxx,
1289 [AS_HELP_STRING([--with-host-libstdcxx=L],
1290 [use linker arguments L to link with libstdc++
1291 when linking with PPL])])
1293 case $with_host_libstdcxx in
1295 AC_MSG_ERROR([-with-host-libstdcxx needs an argument])
1299 # Linker flags to use for stage1 or when not boostrapping.
1300 AC_ARG_WITH(stage1-ldflags,
1301 [AS_HELP_STRING([--with-stage1-ldflags=FLAGS], [linker flags for stage1])],
1302 [if test "$withval" = "no" -o "$withval" = "yes"; then
1305 stage1_ldflags=$withval
1308 AC_SUBST(stage1_ldflags)
1310 # Libraries to use for stage1 or when not bootstrapping.
1311 AC_ARG_WITH(stage1-libs,
1312 [AS_HELP_STRING([--with-stage1-libs=LIBS], [libraries for stage1])],
1313 [if test "$withval" = "no" -o "$withval" = "yes"; then
1316 stage1_libs=$withval
1318 [stage1_libs=$with_host_libstdcxx])
1319 AC_SUBST(stage1_libs)
1321 # Libraries to use for stage2 and later builds. This defaults to the
1322 # argument passed to --with-host-libstdcxx.
1323 AC_ARG_WITH(boot-libs,
1324 [AS_HELP_STRING([--with-boot-libs=LIBS], [libraries for stage2 and later])],
1325 [if test "$withval" = "no" -o "$withval" = "yes"; then
1328 poststage1_libs=$withval
1330 [poststage1_libs=$with_host_libstdcxx])
1331 AC_SUBST(poststage1_libs)
1333 # Linker flags to use for stage2 and later builds.
1334 AC_ARG_WITH(boot-ldflags,
1335 [AS_HELP_STRING([--with-boot-ldflags=FLAGS],
1336 [linker flags for stage2 and later])],
1337 [if test "$withval" = "no" -o "$withval" = "yes"; then
1340 poststage1_ldflags=$withval
1342 [poststage1_ldflags=
1343 # In stages 2 and 3, default to linking libstdc++ and libgcc
1344 # statically. But if the user explicitly specified the libraries to
1345 # use, trust that they are doing what they want.
1346 if test "$poststage1_libs" = ""; then
1347 poststage1_ldflags="-static-libstdc++ -static-libgcc"
1349 AC_SUBST(poststage1_ldflags)
1357 [AS_HELP_STRING([--with-ppl=PATH],
1358 [specify prefix directory for the installed PPL package.
1359 Equivalent to --with-ppl-include=PATH/include
1360 plus --with-ppl-lib=PATH/lib])])
1361 AC_ARG_WITH(ppl-include,
1362 [AS_HELP_STRING([--with-ppl-include=PATH],
1363 [specify directory for installed PPL include files])])
1364 AC_ARG_WITH(ppl-lib,
1365 [AS_HELP_STRING([--with-ppl-lib=PATH],
1366 [specify directory for the installed PPL library])])
1368 AC_ARG_ENABLE(ppl-version-check,
1369 [AS_HELP_STRING([--disable-ppl-version-check],
1370 [disable check for PPL version])])
1376 ppllibs="-L$with_ppl/lib"
1377 pplinc="-I$with_ppl/include $pplinc"
1378 if test -d "$with_ppl/lib" && test -d "$with_ppl/include"; then
1381 AC_MSG_ERROR([cannot find directories "$with_ppl/lib" or "$with_ppl/include"])
1386 if test x"$with_ppl_include" != x; then
1387 pplinc="-I$with_ppl_include $pplinc"
1391 if test "x$with_ppl_lib" != x; then
1392 ppllibs="-L$with_ppl_lib"
1396 if test x"$with_ppl$with_ppl_include$with_ppl_lib" = x && test -d ${srcdir}/ppl; then
1397 if test x"$enable_watchdog" = xyes; then
1400 ppllibs='-L$$r/$(HOST_SUBDIR)/ppl/interfaces/C/'"$lt_cv_objdir"' -L$$r/$(HOST_SUBDIR)/ppl/src/'"$lt_cv_objdir"
1401 pplinc='-I$$r/$(HOST_SUBDIR)/ppl/src -I$$r/$(HOST_SUBDIR)/ppl/interfaces/C '
1402 enable_ppl_version_check=no
1406 if test "x$with_ppl" != xno; then
1407 if test "x$pwllib" = x; then
1409 LIBS="$LIBS $ppllibs -lstdc++ -lm"
1410 AC_CHECK_LIB(pwl, PWL_handle_timeout, [pwllib="-lpwl"])
1414 ppllibs="$ppllibs -lppl_c -lppl $pwllib -lgmpxx"
1416 if test "$enable_ppl_version_check" != no; then
1417 saved_CFLAGS="$CFLAGS"
1418 CFLAGS="$CFLAGS $pplinc $gmpinc"
1419 AC_MSG_CHECKING([for version 0.11 (revision 0 or later) of PPL])
1420 AC_TRY_COMPILE([#include "ppl_c.h"],[
1421 #if PPL_VERSION_MAJOR != 0 || PPL_VERSION_MINOR < 11
1424 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); ppllibs= ; pplinc= ; with_ppl=no ])
1425 CFLAGS="$saved_CFLAGS"
1429 # Flags needed for PPL
1436 dnl Provide configure switches and initialize clooginc & clooglibs
1437 dnl with user input.
1439 if test "x$with_ppl" = "xno"; then
1440 dnl Only execute fail-action, if CLooG has been requested.
1441 CLOOG_REQUESTED([graphite_requested=yes], [graphite_requested=no])
1442 if test "${graphite_requested}" = yes; then
1443 AC_MSG_ERROR([Unable to find a usable PPL. See config.log for details.])
1447 if test "x${with_cloog}" = x && test "x${with_cloog_include}" = x \
1448 && test "x${with_cloog_lib}" = x && test -d ${srcdir}/cloog; then
1449 clooglibs='-L$$r/$(HOST_SUBDIR)/cloog/'"$lt_cv_objdir"' '
1450 clooginc='-I$$r/$(HOST_SUBDIR)/cloog/include -I$$s/cloog/include '
1452 if test "x$with_cloog" != "xno"; then
1453 dnl The minimal version of CLooG required for Graphite.
1455 dnl If we use CLooG-Legacy, the provided version information is
1457 CLOOG_CHECK_VERSION(0,16,1)
1459 dnl Only execute fail-action, if CLooG has been requested.
1461 AC_MSG_ERROR([Unable to find a usable CLooG. See config.log for details.])])
1464 # Check for LTO support.
1466 [AS_HELP_STRING([--enable-lto], [enable link time optimization support])],
1467 enable_lto=$enableval,
1468 enable_lto=yes; default_enable_lto=yes)
1470 ACX_ELF_TARGET_IFELSE([# ELF platforms build the lto-plugin always.
1471 build_lto_plugin=yes
1472 ],[if test x"$default_enable_lto" = x"yes" ; then
1474 *-apple-darwin9 | *-cygwin* | *-mingw*) ;;
1475 # On other non-ELF platforms, LTO has yet to be validated.
1479 # Apart from ELF platforms, only Windows and Darwin support LTO so far.
1480 # It would also be nice to check the binutils support, but we don't
1481 # have gcc_GAS_CHECK_FEATURE available here. For now, we'll just
1482 # warn during gcc/ subconfigure; unless you're bootstrapping with
1483 # -flto it won't be needed until after installation anyway.
1485 *-cygwin* | *-mingw* | *-apple-darwin*) ;;
1486 *) if test x"$enable_lto" = x"yes"; then
1487 AC_MSG_ERROR([LTO support is not enabled for this target.])
1492 # Among non-ELF, only Windows platforms support the lto-plugin so far.
1493 # Build it unless LTO was explicitly disabled.
1495 *-cygwin* | *-mingw*) build_lto_plugin=$enable_lto ;;
1501 # By default, C is the only stage 1 language.
1502 stage1_languages=,c,
1504 # Target libraries that we bootstrap.
1505 bootstrap_target_libs=,target-libgcc,
1507 # Figure out what language subdirectories are present.
1508 # Look if the user specified --enable-languages="..."; if not, use
1509 # the environment variable $LANGUAGES if defined. $LANGUAGES might
1511 # NB: embedded tabs in this IF block -- do not untabify
1512 if test -d ${srcdir}/gcc; then
1513 if test x"${enable_languages+set}" != xset; then
1514 if test x"${LANGUAGES+set}" = xset; then
1515 enable_languages="${LANGUAGES}"
1516 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1518 enable_languages=all
1521 if test x"${enable_languages}" = x ||
1522 test x"${enable_languages}" = xyes;
1524 echo configure.in: --enable-languages needs at least one language argument 1>&2
1528 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1530 # 'f95' is the old name for the 'fortran' language. We issue a warning
1531 # and make the substitution.
1532 case ,${enable_languages}, in
1534 echo configure.in: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2
1535 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'`
1539 # First scan to see if an enabled language requires some other language.
1540 # We assume that a given config-lang.in will list all the language
1541 # front ends it requires, even if some are required indirectly.
1542 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1543 case ${lang_frag} in
1545 # The odd quoting in the next line works around
1546 # an apparent bug in bash 1.12 on linux.
1547 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1549 # From the config-lang.in, get $language, $lang_requires, and
1550 # $lang_requires_boot_languages.
1553 lang_requires_boot_languages=
1555 for other in ${lang_requires} ${lang_requires_boot_languages}; do
1556 case ,${enable_languages}, in
1560 echo " \`$other' language required by \`$language'; enabling" 1>&2
1561 enable_languages="${enable_languages},${other}"
1565 for other in ${lang_requires_boot_languages} ; do
1566 if test "$other" != "c"; then
1567 case ,${enable_stage1_languages}, in
1571 case ,${enable_languages}, in
1573 echo " '$other' language required by '$language' in stage 1; enabling" 1>&2
1574 enable_stage1_languages="$enable_stage1_languages,${other}"
1585 new_enable_languages=,c,
1587 # If LTO is enabled, add the LTO front end.
1588 extra_host_libiberty_configure_flags=
1589 if test "$enable_lto" = "yes" ; then
1590 case ,${enable_languages}, in
1592 *) enable_languages="${enable_languages},lto" ;;
1594 if test "${build_lto_plugin}" = "yes" ; then
1595 configdirs="$configdirs lto-plugin"
1596 extra_host_libiberty_configure_flags=--enable-shared
1599 AC_SUBST(extra_host_libiberty_configure_flags)
1601 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
1602 potential_languages=,c,
1604 enabled_target_libs=
1605 disabled_target_libs=
1607 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1608 case ${lang_frag} in
1610 # The odd quoting in the next line works around
1611 # an apparent bug in bash 1.12 on linux.
1612 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1614 # From the config-lang.in, get $language, $target_libs,
1615 # $lang_dirs, $boot_language, and $build_by_default
1621 build_by_default=yes
1623 if test x${language} = x; then
1624 echo "${lang_frag} doesn't set \$language." 1>&2
1628 if test "$language" = "c++" \
1629 && test "$ENABLE_BUILD_WITH_CXX" = "yes"; then
1633 case ,${enable_languages}, in
1635 # Language was explicitly selected; include it.
1639 # 'all' was selected, select it if it is a default language
1640 add_this_lang=${build_by_default}
1647 # Disable languages that need other directories if these aren't available.
1648 for i in $subdir_requires; do
1649 test -f "$srcdir/gcc/$i/config-lang.in" && continue
1650 case ,${enable_languages}, in
1652 # Specifically requested language; tell them.
1653 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing])
1657 add_this_lang=unsupported
1662 # Disable Ada if no preexisting GNAT is available.
1663 case ,${enable_languages},:${language}:${have_gnat} in
1664 *,${language},*:ada:no)
1665 # Specifically requested language; tell them.
1666 AC_MSG_ERROR([GNAT is required to build $language])
1670 add_this_lang=unsupported
1674 # Disable a language that is unsupported by the target.
1675 case " $unsupported_languages " in
1677 add_this_lang=unsupported
1681 case $add_this_lang in
1683 # Remove language-dependent dirs.
1684 disabled_target_libs="$disabled_target_libs $target_libs"
1685 noconfigdirs="$noconfigdirs $lang_dirs"
1688 # Remove language-dependent dirs; still show language as supported.
1689 disabled_target_libs="$disabled_target_libs $target_libs"
1690 noconfigdirs="$noconfigdirs $lang_dirs"
1691 potential_languages="${potential_languages}${language},"
1694 new_enable_languages="${new_enable_languages}${language},"
1695 potential_languages="${potential_languages}${language},"
1696 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
1697 enabled_target_libs="$enabled_target_libs $target_libs"
1698 case "${boot_language}:,$enable_stage1_languages," in
1699 yes:* | *:*,$language,* | *:*,yes, | *:*,all,)
1700 # Add to (comma-separated) list of stage 1 languages.
1701 case ",$stage1_languages," in
1702 *,$language,* | ,yes, | ,all,) ;;
1703 *) stage1_languages="${stage1_languages}${language}," ;;
1705 # We need to bootstrap any supporting libraries.
1706 bootstrap_target_libs="${bootstrap_target_libs}${target_libs},"
1715 # Add target libraries which are only needed for disabled languages
1717 if test -n "$disabled_target_libs"; then
1718 for dir in $disabled_target_libs; do
1719 case " $enabled_target_libs " in
1721 *) noconfigdirs="$noconfigdirs $dir" ;;
1726 AC_ARG_ENABLE(stage1-languages,
1727 [AS_HELP_STRING([[--enable-stage1-languages[=all]]],
1728 [choose additional languages to build during
1729 stage1. Mostly useful for compiler development])],
1730 [case ,${enable_stage1_languages}, in
1732 # Set it to something that will have no effect in the loop below
1733 enable_stage1_languages=c ;;
1735 enable_stage1_languages=`echo $new_enable_languages | \
1736 sed -e "s/^,//" -e "s/,$//" ` ;;
1738 enable_stage1_languages=`echo ,$enable_stage1_languages, | \
1739 sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;;
1742 # Add "good" languages from enable_stage1_languages to stage1_languages,
1743 # while "bad" languages go in missing_languages. Leave no duplicates.
1744 for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do
1745 case $potential_languages in
1747 case $stage1_languages in
1749 *) stage1_languages="$stage1_languages$i," ;;
1752 case $missing_languages in
1754 *) missing_languages="$missing_languages$i," ;;
1759 # Remove leading/trailing commas that were added for simplicity
1760 potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"`
1761 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
1762 stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"`
1763 new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"`
1765 if test "x$missing_languages" != x; then
1767 The following requested languages could not be built: ${missing_languages}
1768 Supported languages are: ${potential_languages}])
1770 if test "x$new_enable_languages" != "x$enable_languages"; then
1771 echo The following languages will be built: ${new_enable_languages}
1772 enable_languages="$new_enable_languages"
1775 AC_SUBST(stage1_languages)
1776 ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" `
1779 # Handle --disable-<component> generically.
1780 for dir in $configdirs $build_configdirs $target_configdirs ; do
1781 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g`
1782 varname=`echo $dirname | sed -e s/+/_/g`
1783 if eval test x\${enable_${varname}} "=" xno ; then
1784 noconfigdirs="$noconfigdirs $dir"
1788 # Check for Boehm's garbage collector
1789 AC_ARG_ENABLE(objc-gc,
1790 [AS_HELP_STRING([--enable-objc-gc],
1791 [enable use of Boehm's garbage collector with the
1792 GNU Objective-C runtime])],
1793 [case ,${enable_languages},:${enable_objc_gc}:${noconfigdirs} in
1794 *,objc,*:*:yes:*target-boehm-gc*)
1795 AC_MSG_ERROR([Boehm's garbage collector was requested yet not supported in this configuration])
1799 # Make sure we only build Boehm's garbage collector if required.
1800 case ,${enable_languages},:${enable_objc_gc} in
1802 # Keep target-boehm-gc if requested for Objective-C.
1805 # Otherwise remove target-boehm-gc depending on target-libjava.
1806 if echo " ${noconfigdirs} " | grep "target-libjava" >/dev/null 2>&1; then
1807 noconfigdirs="$noconfigdirs target-boehm-gc"
1812 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
1813 # $build_configdirs and $target_configdirs.
1814 # If we have the source for $noconfigdirs entries, add them to $notsupp.
1817 for dir in . $skipdirs $noconfigdirs ; do
1818 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
1819 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1820 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
1821 if test -r $srcdir/$dirname/configure ; then
1822 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1825 notsupp="$notsupp $dir"
1829 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1830 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"`
1831 if test -r $srcdir/$dirname/configure ; then
1832 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1835 notsupp="$notsupp $dir"
1839 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1840 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
1841 if test -r $srcdir/$dirname/configure ; then
1842 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1845 notsupp="$notsupp $dir"
1851 # Sometimes the tools are distributed with libiberty but with no other
1852 # libraries. In that case, we don't want to build target-libiberty.
1853 # Don't let libgcc imply libiberty either.
1854 if test -n "${target_configdirs}" ; then
1857 for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do
1858 if test "$i" = "libgcc"; then
1859 libgcc=target-libgcc
1860 elif test "$i" != "libiberty" ; then
1861 if test -r $srcdir/$i/configure ; then
1867 if test -z "${others}" ; then
1868 target_configdirs=$libgcc
1872 # Quietly strip out all directories which aren't configurable in this tree.
1873 # This relies on all configurable subdirectories being autoconfiscated, which
1875 build_configdirs_all="$build_configdirs"
1877 for i in ${build_configdirs_all} ; do
1878 j=`echo $i | sed -e s/build-//g`
1879 if test -f ${srcdir}/$j/configure ; then
1880 build_configdirs="${build_configdirs} $i"
1884 configdirs_all="$configdirs"
1886 for i in ${configdirs_all} ; do
1887 if test -f ${srcdir}/$i/configure ; then
1888 configdirs="${configdirs} $i"
1892 target_configdirs_all="$target_configdirs"
1894 for i in ${target_configdirs_all} ; do
1895 j=`echo $i | sed -e s/target-//g`
1896 if test -f ${srcdir}/$j/configure ; then
1897 target_configdirs="${target_configdirs} $i"
1901 # Produce a warning message for the subdirs we can't configure.
1902 # This isn't especially interesting in the Cygnus tree, but in the individual
1903 # FSF releases, it's important to let people know when their machine isn't
1904 # supported by the one or two programs in a package.
1906 if test -n "${notsupp}" && test -z "${norecursion}" ; then
1907 # If $appdirs is non-empty, at least one of those directories must still
1908 # be configured, or we error out. (E.g., if the gas release supports a
1909 # specified target in some subdirs but not the gas subdir, we shouldn't
1910 # pretend that all is well.)
1911 if test -n "$appdirs" ; then
1912 for dir in $appdirs ; do
1913 if test -r $dir/Makefile.in ; then
1914 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1918 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
1924 if test -n "$appdirs" ; then
1925 echo "*** This configuration is not supported by this package." 1>&2
1929 # Okay, some application will build, or we don't care to check. Still
1930 # notify of subdirs not getting built.
1931 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
1932 echo " ${notsupp}" 1>&2
1933 echo " (Any other directories should still work fine.)" 1>&2
1941 # To find our prefix, in gcc_cv_tool_prefix.
1946 AC_ARG_WITH([build-sysroot],
1947 [AS_HELP_STRING([--with-build-sysroot=SYSROOT],
1948 [use sysroot as the system root during the build])],
1949 [if test x"$withval" != x ; then
1950 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval"
1952 [SYSROOT_CFLAGS_FOR_TARGET=])
1953 AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET)
1955 AC_ARG_WITH([debug-prefix-map],
1956 [AS_HELP_STRING([--with-debug-prefix-map='A=B C=D ...'],
1957 [map A to B, C to D ... in debug information])],
1958 [if test x"$withval" != x; then
1959 DEBUG_PREFIX_CFLAGS_FOR_TARGET=
1960 for debug_map in $withval; do
1961 DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map"
1964 [DEBUG_PREFIX_CFLAGS_FOR_TARGET=])
1965 AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET)
1967 # During gcc bootstrap, if we use some random cc for stage1 then CFLAGS
1968 # might be empty or "-g". We don't require a C++ compiler, so CXXFLAGS
1969 # might also be empty (or "-g", if a non-GCC C++ compiler is in the path).
1970 # We want to ensure that TARGET libraries (which we know are built with
1971 # gcc) are built with "-O2 -g", so include those options when setting
1972 # CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET.
1973 if test "x$CFLAGS_FOR_TARGET" = x; then
1974 CFLAGS_FOR_TARGET=$CFLAGS
1977 *) CFLAGS_FOR_TARGET="-O2 $CFLAGS" ;;
1980 *" -g "* | *" -g3 "*) ;;
1981 *) CFLAGS_FOR_TARGET="-g $CFLAGS" ;;
1984 AC_SUBST(CFLAGS_FOR_TARGET)
1986 if test "x$CXXFLAGS_FOR_TARGET" = x; then
1987 CXXFLAGS_FOR_TARGET=$CXXFLAGS
1988 case " $CXXFLAGS " in
1990 *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS" ;;
1992 case " $CXXFLAGS " in
1993 *" -g "* | *" -g3 "*) ;;
1994 *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS" ;;
1997 AC_SUBST(CXXFLAGS_FOR_TARGET)
1999 # Handle --with-headers=XXX. If the value is not "yes", the contents of
2000 # the named directory are copied to $(tooldir)/sys-include.
2001 if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
2002 if test x${is_cross_compiler} = xno ; then
2003 echo 1>&2 '***' --with-headers is only supported when cross compiling
2006 if test x"${with_headers}" != xyes ; then
2007 x=${gcc_cv_tool_prefix}
2008 copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include"
2012 # Handle --with-libs=XXX. If the value is not "yes", the contents of
2013 # the name directories are copied to $(tooldir)/lib. Multiple directories
2015 if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
2016 if test x${is_cross_compiler} = xno ; then
2017 echo 1>&2 '***' --with-libs is only supported when cross compiling
2020 if test x"${with_libs}" != xyes ; then
2021 # Copy the libraries in reverse order, so that files in the first named
2022 # library override files in subsequent libraries.
2023 x=${gcc_cv_tool_prefix}
2024 for l in ${with_libs}; do
2025 copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}"
2030 # Set with_gnu_as, with_gnu_ld, and with_system_zlib as appropriate.
2032 # This is done by determining whether or not the appropriate directory
2033 # is available, and by checking whether or not specific configurations
2034 # have requested that this magic not happen.
2036 # The command line options always override the explicit settings in
2037 # configure.in, and the settings in configure.in override this magic.
2039 # If the default for a toolchain is to use GNU as and ld, and you don't
2040 # want to do that, then you should use the --without-gnu-as and
2041 # --without-gnu-ld options for the configure script. Similarly, if
2042 # the default is to use the included zlib and you don't want to do that,
2043 # you should use the --with-system-zlib option for the configure script.
2045 if test x${use_gnu_as} = x &&
2046 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
2048 extra_host_args="$extra_host_args --with-gnu-as"
2051 if test x${use_gnu_ld} = x &&
2052 echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then
2054 extra_host_args="$extra_host_args --with-gnu-ld"
2057 if test x${use_included_zlib} = x &&
2058 echo " ${configdirs} " | grep " zlib " > /dev/null 2>&1 ; then
2061 with_system_zlib=yes
2062 extra_host_args="$extra_host_args --with-system-zlib"
2065 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
2066 # can detect this case.
2068 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
2070 extra_host_args="$extra_host_args --with-newlib"
2073 # Handle ${copy_dirs}
2074 set fnord ${copy_dirs}
2076 while test $# != 0 ; do
2077 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
2080 echo Copying $1 to $2
2082 # Use the install script to create the directory and all required
2083 # parent directories.
2084 if test -d $2 ; then
2088 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
2091 # Copy the directory, assuming we have tar.
2092 # FIXME: Should we use B in the second tar? Not all systems support it.
2093 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
2095 # It is the responsibility of the user to correctly adjust all
2096 # symlinks. If somebody can figure out how to handle them correctly
2097 # here, feel free to add the code.
2104 # Determine a target-dependent exec_prefix that the installed
2105 # gcc will search in. Keep this list sorted by triplet, with
2106 # the *-*-osname triplets last.
2110 md_exec_prefix=/gnu/lib/gcc-lib
2112 i[[34567]]86-pc-msdosdjgpp*)
2113 md_exec_prefix=/dev/env/DJDIR/bin
2115 i[[34567]]86-*-sco3.2v5*)
2116 if test $with_gnu_as = yes; then
2117 md_exec_prefix=/usr/gnu/bin
2119 md_exec_prefix=/usr/ccs/bin/elf
2124 powerpc-*-chorusos* | \
2125 powerpc*-*-eabi* | \
2126 powerpc*-*-sysv* | \
2127 powerpc*-*-kaos* | \
2129 md_exec_prefix=/usr/ccs/bin
2134 md_exec_prefix=/usr/ccs/bin
2149 md_exec_prefix=/usr/ccs/bin
2153 extra_arflags_for_target=
2154 extra_nmflags_for_target=
2155 extra_ranlibflags_for_target=
2156 target_makefile_frag=/dev/null
2159 target_makefile_frag="config/mt-spu"
2162 target_makefile_frag="config/mt-sde"
2164 mipsisa*-*-elfoabi*)
2165 target_makefile_frag="config/mt-mips-elfoabi"
2167 mips*-*-*linux* | mips*-*-gnu*)
2168 target_makefile_frag="config/mt-mips-gnu"
2170 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
2171 target_makefile_frag="config/mt-gnu"
2173 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
2174 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
2175 # commands to handle both 32-bit and 64-bit objects. These flags are
2176 # harmless if we're using GNU nm or ar.
2177 extra_arflags_for_target=" -X32_64"
2178 extra_nmflags_for_target=" -B -X32_64"
2181 # ranlib before Darwin10 requires the -c flag to look at common symbols.
2182 extra_ranlibflags_for_target=" -c"
2186 alphaieee_frag=/dev/null
2189 # This just makes sure to use the -mieee option to build target libs.
2190 # This should probably be set individually by each library.
2191 alphaieee_frag="config/mt-alphaieee"
2195 # If --enable-target-optspace always use -Os instead of -O2 to build
2196 # the target libraries, similarly if it is not specified, use -Os
2197 # on selected platforms.
2198 ospace_frag=/dev/null
2199 case "${enable_target_optspace}:${target}" in
2201 ospace_frag="config/mt-ospace"
2204 ospace_frag="config/mt-d30v"
2206 :m32r-* | :d10v-* | :fr30-*)
2207 ospace_frag="config/mt-ospace"
2212 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
2216 # Default to using --with-stabs for certain targets.
2217 if test x${with_stabs} = x ; then
2219 mips*-*-irix[[56]]*)
2221 mips*-*-* | alpha*-*-osf*)
2223 extra_host_args="${extra_host_args} --with-stabs"
2228 # hpux11 in 64bit mode has libraries in a weird place. Arrange to find
2229 # them automatically.
2232 extra_host_args="$extra_host_args -x-libraries=/usr/lib/pa20_64 -x-includes=/usr/X11R6/include"
2236 # Some systems (e.g., one of the i386-aix systems the gas testers are
2237 # using) don't handle "\$" correctly, so don't use it here.
2238 tooldir='${exec_prefix}'/${target_noncanonical}
2239 build_tooldir=${tooldir}
2241 # Create a .gdbinit file which runs the one in srcdir
2242 # and tells GDB to look there for source files.
2244 if test -r ${srcdir}/.gdbinit ; then
2247 *) cat > ./.gdbinit <<EOF
2251 source ${srcdir}/.gdbinit
2257 # Make sure that the compiler is able to generate an executable. If it
2258 # can't, we are probably in trouble. We don't care whether we can run the
2259 # executable--we might be using a cross compiler--we only care whether it
2260 # can be created. At this point the main configure script has set CC.
2262 echo "int main () { return 0; }" > conftest.c
2263 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
2264 if test $? = 0 ; then
2265 if test -s conftest || test -s conftest.exe ; then
2271 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
2272 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
2279 # The Solaris /usr/ucb/cc compiler does not appear to work.
2281 sparc-sun-solaris2*)
2282 CCBASE="`echo ${CC-cc} | sed 's/ .*$//'`"
2283 if test "`type $CCBASE | sed 's/^[[^/]]*//'`" = "/usr/ucb/cc" ; then
2285 test -d /opt/SUNWspro/bin && could_use="/opt/SUNWspro/bin"
2286 if test -d /opt/cygnus/bin ; then
2287 if test "$could_use" = "" ; then
2288 could_use="/opt/cygnus/bin"
2290 could_use="$could_use or /opt/cygnus/bin"
2293 if test "$could_use" = "" ; then
2294 echo "Warning: compilation may fail because you're using"
2295 echo "/usr/ucb/cc. You should change your PATH or CC "
2296 echo "variable and rerun configure."
2298 echo "Warning: compilation may fail because you're using"
2299 echo "/usr/ucb/cc, when you should use the C compiler from"
2300 echo "$could_use. You should change your"
2301 echo "PATH or CC variable and rerun configure."
2307 # Decide which environment variable is used to find dynamic libraries.
2309 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
2310 *-*-darwin*) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;;
2311 *-*-mingw* | *-*-cygwin ) RPATH_ENVVAR=PATH ;;
2312 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
2315 # On systems where the dynamic library environment variable is PATH,
2316 # gcc/ will put dynamic libraries into a subdirectory to avoid adding
2317 # built executables to PATH.
2318 if test "$RPATH_ENVVAR" = PATH; then
2319 GCC_SHLIB_SUBDIR=/shlib
2324 # Record target_configdirs and the configure arguments for target and
2325 # build configuration in Makefile.
2326 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
2327 build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
2329 # If we are building libgomp, bootstrap it.
2330 if echo " ${target_configdirs} " | grep " libgomp " > /dev/null 2>&1 ; then
2331 bootstrap_target_libs=${bootstrap_target_libs}target-libgomp,
2334 # Determine whether gdb needs tk/tcl or not.
2335 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
2336 # and in that case we want gdb to be built without tk. Ugh!
2337 # In fact I believe gdb is the *only* package directly dependent on tk,
2338 # so we should be able to put the 'maybe's in unconditionally and
2339 # leave out the maybe dependencies when enable_gdbtk is false. I'm not
2340 # 100% sure that that's safe though.
2342 gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
2343 case "$enable_gdbtk" in
2347 GDB_TK="${gdb_tk}" ;;
2349 # Only add the dependency on gdbtk when GDBtk is part of the gdb
2350 # distro. Eventually someone will fix this and move Insight, nee
2351 # gdbtk to a separate directory.
2352 if test -d ${srcdir}/gdb/gdbtk ; then
2359 CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g`
2360 INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g`
2362 # Strip out unwanted targets.
2364 # While at that, we remove Makefiles if we were started for recursive
2365 # configuration, so that the top-level Makefile reconfigures them,
2366 # like we used to do when configure itself was recursive.
2368 # Loop over modules. We used to use the "$extrasub" feature from Autoconf
2369 # but now we're fixing up the Makefile ourselves with the additional
2370 # commands passed to AC_CONFIG_FILES. Use separate variables
2371 # extrasub-{build,host,target} not because there is any reason to split
2372 # the substitutions up that way, but only to remain below the limit of
2373 # 99 commands in a script, for HP-UX sed.
2374 # Do not nest @if/@endif pairs, because configure will not warn you at all.
2376 AC_ARG_ENABLE([bootstrap],
2377 [AS_HELP_STRING([--enable-bootstrap],
2378 [enable bootstrapping @<:@yes if native build@:>@])],,
2379 enable_bootstrap=default)
2381 # Issue errors and warnings for invalid/strange bootstrap combinations.
2382 case "$configdirs" in
2383 *gcc*) have_compiler=yes ;;
2384 *) have_compiler=no ;;
2387 case "$have_compiler:$host:$target:$enable_bootstrap" in
2390 # Default behavior. Enable bootstrap if we have a compiler
2391 # and we are in a native configuration.
2392 yes:$build:$build:default)
2393 enable_bootstrap=yes ;;
2396 enable_bootstrap=no ;;
2398 # We have a compiler and we are in a native configuration, bootstrap is ok
2399 yes:$build:$build:yes)
2402 # Other configurations, but we have a compiler. Assume the user knows
2405 AC_MSG_WARN([trying to bootstrap a cross compiler])
2408 # No compiler: if they passed --enable-bootstrap explicitly, fail
2410 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
2412 # Fail if wrong command line
2414 AC_MSG_ERROR([invalid option for --enable-bootstrap])
2418 case ",$enable_languages,:$ENABLE_BUILD_WITH_CXX:$enable_bootstrap" in
2421 AC_MSG_ERROR([bootstrapping with --enable-build-with-cxx requires c++ in --enable-languages])
2425 case "$enable_bootstrap:$ENABLE_GOLD: $configdirs :,$stage1_languages," in
2426 yes:yes:*\ gold\ *:*,c++,*) ;;
2427 yes:yes:*\ gold\ *:*)
2428 AC_MSG_ERROR([in a combined tree, bootstrapping with --enable-gold requires c++ in stage1_languages])
2432 # Adjust the toplevel makefile according to whether bootstrap was selected.
2433 case $enable_bootstrap in
2435 bootstrap_suffix=bootstrap
2436 BUILD_CONFIG=bootstrap-debug
2439 bootstrap_suffix=no-bootstrap
2444 AC_MSG_CHECKING(for default BUILD_CONFIG)
2446 AC_ARG_WITH([build-config],
2447 [AS_HELP_STRING([--with-build-config='NAME NAME2...'],
2448 [use config/NAME.mk build configuration])],
2449 [case $with_build_config in
2450 yes) with_build_config= ;;
2451 no) with_build_config= BUILD_CONFIG= ;;
2454 if test "x${with_build_config}" != x; then
2455 BUILD_CONFIG=$with_build_config
2457 case $BUILD_CONFIG in
2459 if echo "int f (void) { return 0; }" > conftest.c &&
2460 ${CC} -c conftest.c &&
2461 mv conftest.o conftest.o.g0 &&
2462 ${CC} -c -g conftest.c &&
2463 mv conftest.o conftest.o.g &&
2464 ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g > /dev/null 2>&1; then
2469 rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g
2473 AC_MSG_RESULT($BUILD_CONFIG)
2474 AC_SUBST(BUILD_CONFIG)
2477 for module in ${build_configdirs} ; do
2478 if test -z "${no_recursion}" \
2479 && test -f ${build_subdir}/${module}/Makefile; then
2480 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
2481 rm -f ${build_subdir}/${module}/Makefile
2483 extrasub_build="$extrasub_build
2484 /^@if build-$module\$/d
2485 /^@endif build-$module\$/d
2486 /^@if build-$module-$bootstrap_suffix\$/d
2487 /^@endif build-$module-$bootstrap_suffix\$/d"
2490 for module in ${configdirs} ; do
2491 if test -z "${no_recursion}"; then
2492 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do
2493 if test -f ${file}; then
2494 echo 1>&2 "*** removing ${file} to force reconfigure"
2499 extrasub_host="$extrasub_host
2501 /^@endif $module\$/d
2502 /^@if $module-$bootstrap_suffix\$/d
2503 /^@endif $module-$bootstrap_suffix\$/d"
2506 for module in ${target_configdirs} ; do
2507 if test -z "${no_recursion}" \
2508 && test -f ${target_subdir}/${module}/Makefile; then
2509 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
2510 rm -f ${target_subdir}/${module}/Makefile
2513 # We only bootstrap target libraries listed in bootstrap_target_libs.
2514 case $bootstrap_target_libs in
2515 *,target-$module,*) target_bootstrap_suffix=$bootstrap_suffix ;;
2516 *) target_bootstrap_suffix=no-bootstrap ;;
2519 extrasub_target="$extrasub_target
2520 /^@if target-$module\$/d
2521 /^@endif target-$module\$/d
2522 /^@if target-$module-$target_bootstrap_suffix\$/d
2523 /^@endif target-$module-$target_bootstrap_suffix\$/d"
2526 # Do the final fixup along with target modules.
2527 extrasub_target="$extrasub_target
2528 /^@if /,/^@endif /d"
2530 # Create the serialization dependencies. This uses a temporary file.
2532 AC_ARG_ENABLE([serial-configure],
2533 [AS_HELP_STRING([[--enable-serial-[{host,target,build}-]configure]],
2534 [force sequential configuration of
2535 sub-packages for the host, target or build
2536 machine, or all sub-packages])])
2538 case ${enable_serial_configure} in
2540 enable_serial_build_configure=yes
2541 enable_serial_host_configure=yes
2542 enable_serial_target_configure=yes
2546 # These force 'configure's to be done one at a time, to avoid problems
2547 # with contention over a shared config.cache.
2549 echo '# serdep.tmp' > serdep.tmp
2551 test "x${enable_serial_build_configure}" = xyes &&
2552 for item in ${build_configdirs} ; do
2555 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
2560 test "x${enable_serial_host_configure}" = xyes &&
2561 for item in ${configdirs} ; do
2564 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
2569 test "x${enable_serial_target_configure}" = xyes &&
2570 for item in ${target_configdirs} ; do
2573 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
2577 serialization_dependencies=serdep.tmp
2578 AC_SUBST_FILE(serialization_dependencies)
2580 # Base args. Strip norecursion, cache-file, srcdir, host, build,
2581 # target, nonopt, and variable assignments. These are the ones we
2582 # might not want to pass down to subconfigures. The exception being
2583 # --cache-file=/dev/null, which is used to turn off the use of cache
2584 # files altogether, and which should be passed on to subconfigures.
2585 # Also strip program-prefix, program-suffix, and program-transform-name,
2586 # so that we can pass down a consistent program-transform-name.
2591 eval "set -- $ac_configure_args"
2594 if test X"$skip_next" = X"yes"; then
2598 if test X"$keep_next" = X"yes"; then
2601 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2603 baseargs="$baseargs '$ac_arg'"
2604 tbaseargs="$tbaseargs '$ac_arg'"
2609 # Handle separated arguments. Based on the logic generated by
2612 *=* | --config-cache | -C | -disable-* | --disable-* \
2613 | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \
2614 | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \
2615 | -with-* | --with-* | -without-* | --without-* | --x)
2629 --with-* | --without-*)
2630 libopt=`echo "$ac_arg" | sed -e 's,^--[^-_]*[-_],,' -e 's,=.*$,,'`
2634 lib=`echo "$libopt" | sed 's,[-_]include$,,'`
2637 lib=`echo "$libopt" | sed 's,[-_]lib$,,'`
2646 mpc | mpfr | gmp | ppl | cloog)
2647 # If we're processing --with-$lib, --with-$lib-include or
2648 # --with-$lib-lib, for one of the libs above, and target is
2649 # different from host, don't pass the current argument to any
2650 # target library's configure.
2651 if test x$is_cross_compiler = xyes; then
2660 --cache-file=/dev/null | \
2661 -cache-file=/dev/null )
2662 # Handled here to avoid the test to skip args below.
2663 baseargs="$baseargs '$ac_arg'"
2664 tbaseargs="$tbaseargs '$ac_arg'"
2665 # Assert: $separate_arg should always be no.
2666 keep_next=$separate_arg
2682 -program-prefix* | \
2683 -program-suffix* | \
2684 -program-transform-name* )
2685 skip_next=$separate_arg
2689 # An option. Add it.
2692 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2694 baseargs="$baseargs '$ac_arg'"
2695 if test X"$skip_targ" = Xno; then
2696 tbaseargs="$tbaseargs '$ac_arg'"
2698 keep_next=$separate_arg
2701 # Either a variable assignment, or a nonopt (triplet). Don't
2702 # pass it down; let the Makefile handle this.
2707 # Remove the initial space we just introduced and, as these will be
2708 # expanded by make, quote '$'.
2709 baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
2711 # Add in --program-transform-name, after --program-prefix and
2712 # --program-suffix have been applied to it. Autoconf has already
2713 # doubled dollar signs and backslashes in program_transform_name; we want
2714 # the backslashes un-doubled, and then the entire thing wrapped in single
2715 # quotes, because this will be expanded first by make and then by the shell.
2716 # Also, because we want to override the logic in subdir configure scripts to
2717 # choose program_transform_name, replace any s,x,x, with s,y,y,.
2718 sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
2719 ${program_transform_name}
2721 gcc_transform_name=`cat conftestsed.out`
2722 rm -f conftestsed.out
2723 baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
2724 tbaseargs="$tbaseargs --program-transform-name='${gcc_transform_name}'"
2725 if test "$silent" = yes; then
2726 baseargs="$baseargs --silent"
2727 tbaseargs="$tbaseargs --silent"
2729 baseargs="$baseargs --disable-option-checking"
2730 tbaseargs="$tbaseargs --disable-option-checking"
2732 # Record and document user additions to sub configure arguments.
2733 AC_ARG_VAR([build_configargs],
2734 [additional configure arguments for build directories])
2735 AC_ARG_VAR([host_configargs],
2736 [additional configure arguments for host directories])
2737 AC_ARG_VAR([target_configargs],
2738 [additional configure arguments for target directories])
2740 # For the build-side libraries, we just need to pretend we're native,
2741 # and not use the same cache file. Multilibs are neither needed nor
2743 build_configargs="$build_configargs --cache-file=../config.cache ${baseargs}"
2745 # For host modules, accept cache file option, or specification as blank.
2746 case "${cache_file}" in
2748 cache_file_option="" ;;
2749 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
2750 cache_file_option="--cache-file=${cache_file}" ;;
2752 cache_file_option="--cache-file=../${cache_file}" ;;
2755 # Host dirs don't like to share a cache file either, horribly enough.
2756 # This seems to be due to autoconf 2.5x stupidity.
2757 host_configargs="$host_configargs --cache-file=./config.cache ${extra_host_args} ${baseargs}"
2759 target_configargs="$target_configargs ${tbaseargs}"
2761 # Passing a --with-cross-host argument lets the target libraries know
2762 # whether they are being built with a cross-compiler or being built
2763 # native. However, it would be better to use other mechanisms to make the
2764 # sorts of decisions they want to make on this basis. Please consider
2765 # this option to be deprecated. FIXME.
2766 if test x${is_cross_compiler} = xyes ; then
2767 target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}"
2770 # Default to --enable-multilib.
2771 if test x${enable_multilib} = x ; then
2772 target_configargs="--enable-multilib ${target_configargs}"
2775 # Pass --with-newlib if appropriate. Note that target_configdirs has
2776 # changed from the earlier setting of with_newlib.
2777 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
2778 target_configargs="--with-newlib ${target_configargs}"
2781 # Different target subdirs use different values of certain variables
2782 # (notably CXX). Worse, multilibs use *lots* of different values.
2783 # Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
2784 # it doesn't automatically accept command-line overrides of them.
2785 # This means it's not safe for target subdirs to share a cache file,
2786 # which is disgusting, but there you have it. Hopefully this can be
2787 # fixed in future. It's still worthwhile to use a cache file for each
2788 # directory. I think.
2790 # Pass the appropriate --build, --host, --target and --cache-file arguments.
2791 # We need to pass --target, as newer autoconf's requires consistency
2792 # for target_alias and gcc doesn't manage it consistently.
2793 target_configargs="--cache-file=./config.cache ${target_configargs}"
2796 case " $target_configdirs " in
2798 case " $target_configargs " in
2799 *" --with-newlib "*)
2802 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 $$s/winsup/w32api/include'
2806 # If we're not building GCC, don't discard standard headers.
2807 if test -d ${srcdir}/gcc; then
2808 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
2810 if test "${build}" != "${host}"; then
2811 # On Canadian crosses, CC_FOR_TARGET will have already been set
2812 # by `configure', so we won't have an opportunity to add -Bgcc/
2813 # to it. This is right: we don't want to search that directory
2814 # for binaries, but we want the header files in there, so add
2816 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include -isystem $$r/$(HOST_SUBDIR)/gcc/include-fixed'
2818 # Someone might think of using the pre-installed headers on
2819 # Canadian crosses, in case the installed compiler is not fully
2820 # compatible with the compiler being built. In this case, it
2821 # would be better to flag an error than risking having
2822 # incompatible object files being constructed. We can't
2823 # guarantee that an error will be flagged, but let's hope the
2824 # compiler will do it, when presented with incompatible header
2829 case "${target}-${is_cross_compiler}" in
2830 i[[3456789]]86-*-linux*-no)
2831 # Here host == target, so we don't need to build gcc,
2832 # so we don't want to discard standard headers.
2833 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
2836 # If we're building newlib, use its generic headers last, but search
2837 # for any libc-related directories first (so make it the last -B
2839 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
2841 # If we're building libgloss, find the startup file, simulator library
2842 # and linker script.
2843 case " $target_configdirs " in
2845 # Look for startup file, simulator library and maybe linker script.
2846 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/'"$libgloss_dir"
2847 # Look for libnosys.a in case the target needs it.
2848 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys'
2849 # Most targets have the linker script in the source directory.
2850 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$s/libgloss/'"$libgloss_dir"
2861 x86_64-*mingw* | *-w64-mingw*)
2862 # MinGW-w64 does not use newlib, nor does it use winsup. It may,
2863 # however, use a symlink named 'mingw' in ${prefix} .
2864 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L${prefix}/${target}/lib -L${prefix}/mingw/lib -isystem ${prefix}/${target}/include -isystem ${prefix}/mingw/include'
2867 # MinGW can't be handled as Cygwin above since it does not use newlib.
2868 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/mingw -L$$r/$(TARGET_SUBDIR)/winsup/w32api/lib -isystem $$s/winsup/mingw/include -isystem $$s/winsup/w32api/include'
2872 # Allow the user to override the flags for
2873 # our build compiler if desired.
2874 if test x"${build}" = x"${host}" ; then
2875 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
2876 CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}}
2877 LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}}
2880 # On Canadian crosses, we'll be searching the right directories for
2881 # the previously-installed cross compiler, so don't bother to add
2882 # flags for directories within the install tree of the compiler
2883 # being built; programs in there won't even run.
2884 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
2885 # Search for pre-installed headers if nothing else fits.
2886 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
2889 if test "x${use_gnu_ld}" = x &&
2890 echo " ${configdirs} " | grep " ld " > /dev/null ; then
2891 # Arrange for us to find uninstalled linker scripts.
2892 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld'
2895 # Search for other target-specific linker scripts and such.
2898 FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary"
2902 # Makefile fragments.
2903 for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
2905 eval fragval=\$$frag
2906 if test $fragval != /dev/null; then
2907 eval $frag=${srcdir}/$fragval
2910 AC_SUBST_FILE(host_makefile_frag)
2911 AC_SUBST_FILE(target_makefile_frag)
2912 AC_SUBST_FILE(alphaieee_frag)
2913 AC_SUBST_FILE(ospace_frag)
2915 # Miscellanea: directories, flags, etc.
2916 AC_SUBST(RPATH_ENVVAR)
2917 AC_SUBST(GCC_SHLIB_SUBDIR)
2919 AC_SUBST(build_tooldir)
2920 AC_SUBST(CONFIGURE_GDB_TK)
2922 AC_SUBST(INSTALL_GDB_TK)
2924 # Build module lists & subconfigure args.
2925 AC_SUBST(build_configargs)
2926 AC_SUBST(build_configdirs)
2928 # Host module lists & subconfigure args.
2929 AC_SUBST(host_configargs)
2930 AC_SUBST(configdirs)
2931 AC_SUBST(target_configdirs)
2933 # Target module lists & subconfigure args.
2934 AC_SUBST(target_configargs)
2938 AC_SUBST(AR_FOR_BUILD)
2939 AC_SUBST(AS_FOR_BUILD)
2940 AC_SUBST(CC_FOR_BUILD)
2941 AC_SUBST(CFLAGS_FOR_BUILD)
2942 AC_SUBST(CXXFLAGS_FOR_BUILD)
2943 AC_SUBST(CXX_FOR_BUILD)
2944 AC_SUBST(DLLTOOL_FOR_BUILD)
2945 AC_SUBST(GCJ_FOR_BUILD)
2946 AC_SUBST(GFORTRAN_FOR_BUILD)
2947 AC_SUBST(GOC_FOR_BUILD)
2948 AC_SUBST(LDFLAGS_FOR_BUILD)
2949 AC_SUBST(LD_FOR_BUILD)
2950 AC_SUBST(NM_FOR_BUILD)
2951 AC_SUBST(RANLIB_FOR_BUILD)
2952 AC_SUBST(WINDMC_FOR_BUILD)
2953 AC_SUBST(WINDRES_FOR_BUILD)
2954 AC_SUBST(config_shell)
2956 # Generate default definitions for YACC, M4, LEX and other programs that run
2957 # on the build machine. These are used if the Makefile can't locate these
2958 # programs in objdir.
2959 MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
2961 AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
2962 case " $build_configdirs " in
2963 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;;
2964 *" byacc "*) YACC='$$r/$(BUILD_SUBDIR)/byacc/byacc' ;;
2967 AC_CHECK_PROGS([BISON], [bison], [$MISSING bison])
2968 case " $build_configdirs " in
2969 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;;
2972 AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4])
2973 case " $build_configdirs " in
2974 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;;
2977 AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex])
2978 case " $build_configdirs " in
2979 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
2980 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;;
2983 AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex])
2984 case " $build_configdirs " in
2985 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
2988 AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo])
2989 case " $build_configdirs " in
2990 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;;
2993 # For an installed makeinfo, we require it to be from texinfo 4.7 or
2994 # higher, else we use the "missing" dummy.
2995 if ${MAKEINFO} --version \
2996 | egrep 'texinfo[^0-9]*(4\.([7-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then
2999 MAKEINFO="$MISSING makeinfo"
3005 # FIXME: expect and dejagnu may become build tools?
3007 AC_CHECK_PROGS(EXPECT, expect, expect)
3008 case " $configdirs " in
3010 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect'
3014 AC_CHECK_PROGS(RUNTEST, runtest, runtest)
3015 case " $configdirs " in
3017 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest'
3023 NCN_STRICT_CHECK_TOOLS(AR, ar)
3024 NCN_STRICT_CHECK_TOOLS(AS, as)
3025 NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool)
3026 NCN_STRICT_CHECK_TOOLS(LD, ld)
3027 NCN_STRICT_CHECK_TOOLS(LIPO, lipo)
3028 NCN_STRICT_CHECK_TOOLS(NM, nm)
3029 NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, true)
3030 NCN_STRICT_CHECK_TOOLS(STRIP, strip, true)
3031 NCN_STRICT_CHECK_TOOLS(WINDRES, windres)
3032 NCN_STRICT_CHECK_TOOLS(WINDMC, windmc)
3033 NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy)
3034 NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump)
3041 AC_ARG_WITH([build-time-tools],
3042 [AS_HELP_STRING([--with-build-time-tools=PATH],
3043 [use given path to find target tools during the build])],
3044 [case x"$withval" in
3047 with_build_time_tools=
3048 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path])
3051 [with_build_time_tools=])
3053 NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc)
3054 NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx)
3055 NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET})
3056 NCN_STRICT_CHECK_TARGET_TOOLS(GCJ_FOR_TARGET, gcj)
3057 NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran)
3058 NCN_STRICT_CHECK_TARGET_TOOLS(GOC_FOR_TARGET, gccgo)
3060 ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar)
3061 ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as)
3062 ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
3063 ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld)
3064 ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo)
3065 ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm)
3066 ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump)
3067 ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib)
3068 ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip)
3069 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
3070 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc)
3072 RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET"
3074 GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar])
3075 GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new])
3076 GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3077 dnl see comments for CXX_FOR_TARGET_FLAG_TO_PASS
3078 GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX,
3079 [gcc/g++ -B$$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],
3081 GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX,
3082 [gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs],
3084 GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool])
3085 GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3086 GCC_TARGET_TOOL(gcj, GCJ_FOR_TARGET, GCJ,
3087 [gcc/gcj -B$$r/$(HOST_SUBDIR)/gcc/], java)
3088 GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN,
3089 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran)
3090 GCC_TARGET_TOOL(gccgo, GOC_FOR_TARGET, GOC,
3091 [gcc/gccgo -B$$r/$(HOST_SUBDIR)/gcc/], go)
3092 GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new])
3093 GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO)
3094 GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new])
3095 GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump])
3096 GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib])
3097 GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip-new])
3098 GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres])
3099 GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc])
3101 AC_SUBST(FLAGS_FOR_TARGET)
3102 AC_SUBST(RAW_CXX_FOR_TARGET)
3104 # Certain tools may need extra flags.
3105 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
3106 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
3107 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
3109 # When building target libraries, except in a Canadian cross, we use
3110 # the same toolchain as the compiler we just built.
3111 COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)'
3112 COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)'
3113 COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)'
3114 if test $host = $build; then
3115 case " $configdirs " in
3117 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as'
3118 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld'
3119 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target}
3124 AC_SUBST(COMPILER_AS_FOR_TARGET)
3125 AC_SUBST(COMPILER_LD_FOR_TARGET)
3126 AC_SUBST(COMPILER_NM_FOR_TARGET)
3128 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
3129 AC_ARG_ENABLE(maintainer-mode,
3130 [AS_HELP_STRING([--enable-maintainer-mode],
3131 [enable make rules and dependencies not useful
3132 (and sometimes confusing) to the casual installer])],
3133 USE_MAINTAINER_MODE=$enableval,
3134 USE_MAINTAINER_MODE=no)
3135 AC_MSG_RESULT($USE_MAINTAINER_MODE)
3136 AC_SUBST(MAINTAINER_MODE_TRUE)
3137 AC_SUBST(MAINTAINER_MODE_FALSE)
3138 if test "$USE_MAINTAINER_MODE" = yes; then
3139 MAINTAINER_MODE_TRUE=
3140 MAINTAINER_MODE_FALSE='#'
3142 MAINTAINER_MODE_TRUE='#'
3143 MAINTAINER_MODE_FALSE=
3145 MAINT=$MAINTAINER_MODE_TRUE
3148 # ---------------------
3149 # GCC bootstrap support
3150 # ---------------------
3152 # Stage specific cflags for build.
3157 yes) stage1_cflags="-g -Wa,-J" ;;
3158 *) stage1_cflags="-g -J" ;;
3162 # This is aimed to mimic bootstrap with a non-GCC compiler to catch problems.
3163 if test "$GCC" = yes -a "$ENABLE_BUILD_WITH_CXX" != yes; then
3164 saved_CFLAGS="$CFLAGS"
3166 # Pass -fkeep-inline-functions for stage 1 if the GCC version supports it.
3167 CFLAGS="$CFLAGS -fkeep-inline-functions"
3168 AC_MSG_CHECKING([whether -fkeep-inline-functions is supported])
3170 #if (__GNUC__ < 3) \
3171 || (__GNUC__ == 3 && (__GNUC_MINOR__ < 3 \
3172 || (__GNUC_MINOR__ == 3 && __GNUC_PATCHLEVEL__ < 1)))
3173 #error http://gcc.gnu.org/PR29382
3176 [AC_MSG_RESULT([yes]); stage1_cflags="$stage1_cflags -fkeep-inline-functions"],
3177 [AC_MSG_RESULT([no])])
3179 CFLAGS="$saved_CFLAGS"
3182 AC_SUBST(stage1_cflags)
3184 # Enable --enable-checking in stage1 of the compiler.
3185 AC_ARG_ENABLE(stage1-checking,
3186 [AS_HELP_STRING([[--enable-stage1-checking[=all]]],
3187 [choose additional checking for stage1 of the compiler])],
3188 [stage1_checking=--enable-checking=${enable_stage1_checking}],
3189 [if test "x$enable_checking" = xno || test "x$enable_checking" = x; then
3190 stage1_checking=--enable-checking=yes,types
3192 stage1_checking=--enable-checking=$enable_checking,types
3194 AC_SUBST(stage1_checking)
3196 # Enable -Werror in bootstrap stage2 and later.
3197 AC_ARG_ENABLE(werror,
3198 [AS_HELP_STRING([--enable-werror],
3199 [enable -Werror in bootstrap stage2 and later])], [],
3200 [if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then
3205 case ${enable_werror} in
3206 yes) stage2_werror_flag="--enable-werror-always" ;;
3207 *) stage2_werror_flag="" ;;
3209 AC_SUBST(stage2_werror_flag)
3211 # Specify what files to not compare during bootstrap.
3213 compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*"
3215 hppa*64*-*-hpux*) ;;
3216 hppa*-*-hpux*) compare_exclusions="gcc/cc*-checksum\$(objext) | */libgcc/lib2funcs* | gcc/ada/*tools/*" ;;
3218 case " $configdirs " in
3219 *" ppl "*) compare_exclusions="$compare_exclusions | ppl/src/ppl-config.o" ;;
3221 AC_SUBST(compare_exclusions)
3223 AC_CONFIG_FILES([Makefile],
3224 [sed "$extrasub_build" Makefile |
3225 sed "$extrasub_host" |
3226 sed "$extrasub_target" > mf$$
3227 mv -f mf$$ Makefile],
3228 [extrasub_build="$extrasub_build"
3229 extrasub_host="$extrasub_host"
3230 extrasub_target="$extrasub_target"])