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 ${libgcj}"
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"
546 *-*-freebsd[[12]] | *-*-freebsd[[12]].* | *-*-freebsd*aout*)
547 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
550 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
551 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
552 && test -f /usr/local/include/gmp.h; then
556 # Skip some stuff that's unsupported on some FreeBSD configurations.
562 noconfigdirs="$noconfigdirs ${libgcj}"
567 # Remove unsupported stuff on all kaOS configurations.
568 skipdirs="target-libiberty ${libgcj} target-libstdc++-v3"
569 skipdirs="$skipdirs target-libobjc"
570 skipdirs="$skipdirs zlib fastjar target-libjava target-boehm-gc target-zlib"
571 noconfigdirs="$noconfigdirs target-libgloss"
574 # Skip some stuff on all NetBSD configurations.
575 noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss"
577 # Skip some stuff that's unsupported on some NetBSD configurations.
579 i*86-*-netbsdelf*) ;;
580 arm*-*-netbsdelf*) ;;
582 noconfigdirs="$noconfigdirs ${libgcj}"
587 noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss ${libgcj}"
590 skipdirs="${skipdirs} target-libiberty"
591 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
593 # The tpf target doesn't support gdb yet.
595 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libiberty ${libgcj} gdb tcl tk libgui itcl"
598 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-rda ${libgcj}"
601 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libiberty target-libstdc++-v3 ${libgcj}"
604 # ld works, but does not support shared libraries.
605 # newlib is not 64 bit ready.
606 # gas doesn't generate exception information.
607 noconfigdirs="$noconfigdirs gas ld target-newlib target-libgloss"
610 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
613 # newlib is not 64 bit ready
614 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
617 # newlib is not 64 bit ready
618 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
621 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
624 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
626 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
627 noconfigdirs="$noconfigdirs ${libgcj}"
628 noconfigdirs="$noconfigdirs target-libiberty"
629 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
630 # the C++ libraries don't build on top of CE's C libraries
631 noconfigdirs="$noconfigdirs target-libstdc++-v3"
632 noconfigdirs="$noconfigdirs target-newlib"
636 noconfigdirs="$noconfigdirs target-libgloss"
639 noconfigdirs="$noconfigdirs ${libgcj}"
642 arm-*-elf* | arm*-*-eabi* )
643 noconfigdirs="$noconfigdirs target-libffi"
646 arm*-*-linux-gnueabi)
647 noconfigdirs="$noconfigdirs"
648 case ${with_newlib} in
649 no) noconfigdirs="$noconfigdirs target-newlib target-libgloss"
654 noconfigdirs="$noconfigdirs ${libgcj} target-libiberty"
658 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
661 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
664 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj} target-libssp"
667 unsupported_languages="$unsupported_languages java"
668 noconfigdirs="$noconfigdirs target-boehm-gc"
669 if test x${is_cross_compiler} != xno ; then
670 target_configdirs="${target_configdirs} target-bsp target-cygmon"
674 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
676 c54x*-*-* | tic54x-*-*)
677 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj} gcc gdb"
680 noconfigdirs="$noconfigdirs ${libgcj} gdb"
682 cris-*-* | crisv32-*-*)
683 unsupported_languages="$unsupported_languages java"
686 unsupported_languages="$unsupported_languages fortran"
687 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";;
688 *-*-elf) # See PR46792 regarding target-libffi.
689 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";;
691 noconfigdirs="$noconfigdirs target-newlib target-libgloss";;
693 unsupported_languages="$unsupported_languages fortran"
694 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss";;
699 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
702 noconfigdirs="$noconfigdirs ${libgcj} gdb"
705 noconfigdirs="$noconfigdirs ${libgcj} gdb"
708 noconfigdirs="$noconfigdirs ${libgcj}"
711 noconfigdirs="$noconfigdirs ${libgcj}"
712 noconfigdirs="$noconfigdirs gprof"
715 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
718 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
720 hppa1.1-*-osf* | hppa1.1-*-bsd* )
723 # In this case, it's because the hppa64-linux target is for
724 # the kernel only at this point and has no libc, and thus no
725 # headers, crt*.o, etc., all of which are needed by these.
726 noconfigdirs="$noconfigdirs target-zlib"
734 noconfigdirs="$noconfigdirs ${libgcj}"
737 noconfigdirs="$noconfigdirs ld"
743 # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
744 # build on HP-UX 10.20.
745 noconfigdirs="$noconfigdirs ld ${libgcj}"
748 noconfigdirs="$noconfigdirs ${libgcj} gdb"
751 # No gdb support yet.
752 noconfigdirs="$noconfigdirs readline libgui itcl gdb"
756 noconfigdirs="$noconfigdirs ${libgcj} libgui itcl ld"
759 # No gdb or ld support yet.
760 noconfigdirs="$noconfigdirs ${libgcj} readline libgui itcl gdb ld"
762 i[[3456789]]86-*-coff | i[[3456789]]86-*-elf)
763 noconfigdirs="$noconfigdirs ${libgcj}"
766 i[[3456789]]86-*-linux*)
767 # The GCC port for glibc1 has no MD_FALLBACK_FRAME_STATE_FOR, so let's
768 # not build java stuff by default.
771 noconfigdirs="$noconfigdirs ${libgcj}";;
774 # This section makes it possible to build newlib natively on linux.
775 # If we are using a cross compiler then don't configure newlib.
776 if test x${is_cross_compiler} != xno ; then
777 noconfigdirs="$noconfigdirs target-newlib"
779 noconfigdirs="$noconfigdirs target-libgloss"
780 # If we are not using a cross compiler, do configure newlib.
781 # Note however, that newlib will only be configured in this situation
782 # if the --with-newlib option has been given, because otherwise
783 # 'target-newlib' will appear in skipdirs.
785 i[[3456789]]86-w64-mingw*)
786 noconfigdirs="$noconfigdirs target-libgloss target-newlib ${libgcj}"
788 i[[3456789]]86-*-mingw*)
789 target_configdirs="$target_configdirs target-winsup"
790 noconfigdirs="$noconfigdirs target-libgloss target-newlib ${libgcj}"
793 noconfigdirs="$noconfigdirs target-libgloss target-newlib ${libgcj}"
796 target_configdirs="$target_configdirs target-libtermcap target-winsup"
797 noconfigdirs="$noconfigdirs target-libgloss"
798 # always build newlib if winsup directory is present.
799 if test -d "$srcdir/winsup/cygwin"; then
800 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
801 elif test -d "$srcdir/newlib"; then
802 echo "Warning: winsup/cygwin is missing so newlib can't be built."
805 i[[3456789]]86-*-interix* )
808 noconfigdirs="$noconfigdirs target-libgloss"
810 i[[3456789]]86-*-sco3.2v5*)
811 # The linker does not yet know about weak symbols in COFF,
812 # and is not configured to handle mixed ELF and COFF.
813 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
815 i[[3456789]]86-*-sco*)
816 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
818 i[[3456789]]86-*-solaris2*)
819 noconfigdirs="$noconfigdirs target-libgloss"
821 i[[3456789]]86-*-sysv4*)
822 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
824 i[[3456789]]86-*-beos*)
825 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
827 i[[3456789]]86-*-rdos*)
828 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
831 noconfigdirs="$noconfigdirs ${libgcj}"
833 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
834 noconfigdirs="$noconfigdirs target-libiberty"
838 noconfigdirs="$noconfigdirs ${libgcj}"
841 noconfigdirs="$noconfigdirs ${libgcj}"
847 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc gdb libgloss"
848 unsupported_languages="$unsupported_languages fortran java"
851 noconfigdirs="$noconfigdirs ${libgcj}"
854 noconfigdirs="$noconfigdirs ${libgcj}"
857 noconfigdirs="$noconfigdirs sim"
860 noconfigdirs="$noconfigdirs target-libiberty"
863 # copied from rs6000-*-* entry
864 noconfigdirs="$noconfigdirs gprof target-libgloss target-libssp target-newlib ${libgcj}"
866 powerpc*-*-winnt* | powerpc*-*-pe*)
867 target_configdirs="$target_configdirs target-winsup"
868 noconfigdirs="$noconfigdirs gdb tcl tk target-libgloss itcl ${libgcj}"
869 # always build newlib.
870 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
872 # This is temporary until we can link against shared libraries
873 powerpcle-*-solaris*)
874 noconfigdirs="$noconfigdirs gdb sim tcl tk itcl ${libgcj}"
878 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
881 noconfigdirs="$noconfigdirs ${libgcj}"
884 powerpc-*-eabi* | powerpcle-*-eabi* | powerpc-*-rtems* )
888 noconfigdirs="$noconfigdirs target-newlib gprof ${libgcj}"
891 noconfigdirs="$noconfigdirs gprof target-libgloss target-libssp target-newlib ${libgcj}"
894 noconfigdirs="$noconfigdirs gprof ${libgcj}"
897 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss ${libgcj}"
900 noconfigdirs="$noconfigdirs gprof target-libssp ${libgcj}"
903 skipdirs="$skipdirs target-libiberty"
904 noconfigdirs="$noconfigdirs ${libgcj}"
905 if test x$with_newlib = xyes; then
906 noconfigdirs="$noconfigdirs gprof"
911 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
914 # Linking libjava exceeds command-line length limits on at least
915 # IRIX 6.2, but not on IRIX 6.5.
916 # Also, boehm-gc won't build on IRIX 6.5, according to Jeffrey Oldham
917 # <oldham@codesourcery.com>
918 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
921 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
924 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
927 noconfigdirs="$noconfigdirs gprof ${libgcj}"
931 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes target-libgloss ${libgcj}"
936 noconfigdirs="$noconfigdirs ${libgcj}" ;;
938 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}" ;;
941 sparclet-*-aout* | sparc86x-*-*)
945 noconfigdirs="$noconfigdirs ${libgcj}"
948 noconfigdirs="$noconfigdirs ${libgcj}"
952 noconfigdirs="$noconfigdirs ${libgcj}"
956 noconfigdirs="$noconfigdirs ${libgcj}"
957 if test x${is_cross_compiler} != xno ; then
958 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
963 sparc-*-solaris2.[[0-6]] | sparc-*-solaris2.[[0-6]].*)
964 noconfigdirs="$noconfigdirs ${libgcj}"
966 sparc-*-solaris* | sparc64-*-solaris* | sparcv9-*-solaris*)
969 noconfigdirs="$noconfigdirs gdb sim ${libgcj}"
972 noconfigdirs="$noconfigdirs bfd binutils gas gcc gdb ld target-libstdc++-v3 opcodes target-libgloss ${libgcj}"
975 noconfigdirs="$noconfigdirs ${libgcj}"
978 noconfigdirs="$noconfigdirs bfd binutils gdb ld target-newlib opcodes target-libgloss ${libgcj}"
981 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
984 noconfigdirs="$noconfigdirs ${libgcj}"
987 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
989 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
990 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
993 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
996 noconfigdirs="$noconfigdirs ${libgcj}"
1000 # If we aren't building newlib, then don't build libgloss, since libgloss
1001 # depends upon some newlib header files.
1002 case "${noconfigdirs}" in
1003 *target-libgloss*) ;;
1004 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
1007 # Work in distributions that contain no compiler tools, like Autoconf.
1008 host_makefile_frag=/dev/null
1009 if test -d ${srcdir}/config ; then
1011 i[[3456789]]86-*-msdosdjgpp*)
1012 host_makefile_frag="config/mh-djgpp"
1015 ACX_CHECK_CYGWIN_CAT_WORKS
1016 host_makefile_frag="config/mh-cygwin"
1019 host_makefile_frag="config/mh-mingw"
1022 host_makefile_frag="config/mh-interix"
1025 host_makefile_frag="config/mh-pa-hpux10"
1028 host_makefile_frag="config/mh-pa"
1031 host_makefile_frag="config/mh-pa"
1034 host_makefile_frag="config/mh-darwin"
1037 host_makefile_frag="config/mh-ppc-aix"
1040 host_makefile_frag="config/mh-ppc-aix"
1045 if test "${build}" != "${host}" ; then
1046 AR_FOR_BUILD=${AR_FOR_BUILD-ar}
1047 AS_FOR_BUILD=${AS_FOR_BUILD-as}
1048 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
1049 CXX_FOR_BUILD=${CXX_FOR_BUILD-g++}
1050 GCJ_FOR_BUILD=${GCJ_FOR_BUILD-gcj}
1051 GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran}
1052 GOC_FOR_BUILD=${GOC_FOR_BUILD-gccgo}
1053 DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool}
1054 LD_FOR_BUILD=${LD_FOR_BUILD-ld}
1055 NM_FOR_BUILD=${NM_FOR_BUILD-nm}
1056 RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib}
1057 WINDRES_FOR_BUILD=${WINDRES_FOR_BUILD-windres}
1058 WINDMC_FOR_BUILD=${WINDMC_FOR_BUILD-windmc}
1060 AR_FOR_BUILD="\$(AR)"
1061 AS_FOR_BUILD="\$(AS)"
1062 CC_FOR_BUILD="\$(CC)"
1063 CXX_FOR_BUILD="\$(CXX)"
1064 GCJ_FOR_BUILD="\$(GCJ)"
1065 GFORTRAN_FOR_BUILD="\$(GFORTRAN)"
1066 GOC_FOR_BUILD="\$(GOC)"
1067 DLLTOOL_FOR_BUILD="\$(DLLTOOL)"
1068 LD_FOR_BUILD="\$(LD)"
1069 NM_FOR_BUILD="\$(NM)"
1070 RANLIB_FOR_BUILD="\$(RANLIB)"
1071 WINDRES_FOR_BUILD="\$(WINDRES)"
1072 WINDMC_FOR_BUILD="\$(WINDMC)"
1078 # We must set the default linker to the linker used by gcc for the correct
1079 # operation of libtool. If LD is not defined and we are using gcc, try to
1080 # set the LD default to the ld used by gcc.
1081 if test -z "$LD"; then
1082 if test "$GCC" = yes; then
1085 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1087 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1089 case $gcc_prog_ld in
1090 # Accept absolute paths.
1091 [[\\/]* | [A-Za-z]:[\\/]*)]
1092 LD="$gcc_prog_ld" ;;
1098 ACX_PROG_CMP_IGNORE_INITIAL
1100 # See if we are building gcc with C++.
1101 AC_ARG_ENABLE(build-with-cxx,
1102 [AS_HELP_STRING([--enable-build-with-cxx],
1103 [build with C++ compiler instead of C compiler])],
1104 ENABLE_BUILD_WITH_CXX=$enableval,
1105 ENABLE_BUILD_WITH_CXX=no)
1107 # Used for setting $lt_cv_objdir
1110 # Check for GMP, MPFR and MPC
1111 gmplibs="-lmpc -lmpfr -lgmp"
1115 # Specify a location for mpc
1116 # check for this first so it ends up on the link line before mpfr.
1118 [AS_HELP_STRING([--with-mpc=PATH],
1119 [specify prefix directory for installed MPC package.
1120 Equivalent to --with-mpc-include=PATH/include
1121 plus --with-mpc-lib=PATH/lib])])
1122 AC_ARG_WITH(mpc-include,
1123 [AS_HELP_STRING([--with-mpc-include=PATH],
1124 [specify directory for installed MPC include files])])
1125 AC_ARG_WITH(mpc-lib,
1126 [AS_HELP_STRING([--with-mpc-lib=PATH],
1127 [specify directory for the installed MPC library])])
1129 if test "x$with_mpc" != x; then
1130 gmplibs="-L$with_mpc/lib $gmplibs"
1131 gmpinc="-I$with_mpc/include $gmpinc"
1133 if test "x$with_mpc_include" != x; then
1134 gmpinc="-I$with_mpc_include $gmpinc"
1136 if test "x$with_mpc_lib" != x; then
1137 gmplibs="-L$with_mpc_lib $gmplibs"
1139 if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then
1140 gmplibs='-L$$r/$(HOST_SUBDIR)/mpc/src/'"$lt_cv_objdir $gmplibs"
1141 gmpinc='-I$$s/mpc/src '"$gmpinc"
1142 # Do not test the mpc version. Assume that it is sufficient, since
1143 # it is in the source tree, and the library has not been built yet
1144 # but it would be included on the link line in the version check below
1145 # hence making the test fail.
1149 # Specify a location for mpfr
1150 # check for this first so it ends up on the link line before gmp.
1151 AC_ARG_WITH(mpfr-dir,
1152 [AS_HELP_STRING([--with-mpfr-dir=PATH], [this option has been REMOVED])],
1153 [AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed.
1154 Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH])])
1157 [AS_HELP_STRING([--with-mpfr=PATH],
1158 [specify prefix directory for installed MPFR package.
1159 Equivalent to --with-mpfr-include=PATH/include
1160 plus --with-mpfr-lib=PATH/lib])])
1161 AC_ARG_WITH(mpfr-include,
1162 [AS_HELP_STRING([--with-mpfr-include=PATH],
1163 [specify directory for installed MPFR include files])])
1164 AC_ARG_WITH(mpfr-lib,
1165 [AS_HELP_STRING([--with-mpfr-lib=PATH],
1166 [specify directory for the installed MPFR library])])
1168 if test "x$with_mpfr" != x; then
1169 gmplibs="-L$with_mpfr/lib $gmplibs"
1170 gmpinc="-I$with_mpfr/include $gmpinc"
1172 if test "x$with_mpfr_include" != x; then
1173 gmpinc="-I$with_mpfr_include $gmpinc"
1175 if test "x$with_mpfr_lib" != x; then
1176 gmplibs="-L$with_mpfr_lib $gmplibs"
1178 if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then
1179 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir $gmplibs"
1180 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr -I$$s/mpfr '"$gmpinc"
1181 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir"
1182 # Do not test the mpfr version. Assume that it is sufficient, since
1183 # it is in the source tree, and the library has not been built yet
1184 # but it would be included on the link line in the version check below
1185 # hence making the test fail.
1189 # Specify a location for gmp
1190 AC_ARG_WITH(gmp-dir,
1191 [AS_HELP_STRING([--with-gmp-dir=PATH], [this option has been REMOVED])],
1192 [AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed.
1193 Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH])])
1196 [AS_HELP_STRING([--with-gmp=PATH],
1197 [specify prefix directory for the installed GMP package.
1198 Equivalent to --with-gmp-include=PATH/include
1199 plus --with-gmp-lib=PATH/lib])])
1200 AC_ARG_WITH(gmp-include,
1201 [AS_HELP_STRING([--with-gmp-include=PATH],
1202 [specify directory for installed GMP include files])])
1203 AC_ARG_WITH(gmp-lib,
1204 [AS_HELP_STRING([--with-gmp-lib=PATH],
1205 [specify directory for the installed GMP library])])
1208 if test "x$with_gmp" != x; then
1209 gmplibs="-L$with_gmp/lib $gmplibs"
1210 gmpinc="-I$with_gmp/include $gmpinc"
1212 if test "x$with_gmp_include" != x; then
1213 gmpinc="-I$with_gmp_include $gmpinc"
1215 if test "x$with_gmp_lib" != x; then
1216 gmplibs="-L$with_gmp_lib $gmplibs"
1218 if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then
1219 gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir $gmplibs"
1220 gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc"
1221 extra_mpfr_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
1222 extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
1223 # Do not test the gmp version. Assume that it is sufficient, since
1224 # it is in the source tree, and the library has not been built yet
1225 # but it would be included on the link line in the version check below
1226 # hence making the test fail.
1230 if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then
1232 saved_CFLAGS="$CFLAGS"
1233 CFLAGS="$CFLAGS $gmpinc"
1234 # Check for the recommended and required versions of GMP.
1235 AC_MSG_CHECKING([for the correct version of gmp.h])
1236 AC_TRY_COMPILE([#include "gmp.h"],[
1237 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1238 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1239 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,0)
1242 ], [AC_TRY_COMPILE([#include <gmp.h>],[
1243 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1244 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1245 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,3,2)
1248 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1249 [AC_MSG_RESULT([no]); have_gmp=no])
1251 # If we have GMP, check the MPFR version.
1252 if test x"$have_gmp" = xyes; then
1253 # Check for the recommended and required versions of MPFR.
1254 AC_MSG_CHECKING([for the correct version of mpfr.h])
1255 AC_TRY_COMPILE([#include <gmp.h>
1256 #include <mpfr.h>],[
1257 #if MPFR_VERSION < MPFR_VERSION_NUM(2,3,1)
1260 ], [AC_TRY_COMPILE([#include <gmp.h>
1261 #include <mpfr.h>],[
1262 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,2)
1265 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1266 [AC_MSG_RESULT([no]); have_gmp=no])
1269 # Check for the MPC header version.
1270 if test x"$have_gmp" = xyes ; then
1271 # Check for the recommended and required versions of MPC.
1272 AC_MSG_CHECKING([for the correct version of mpc.h])
1273 AC_TRY_COMPILE([#include <mpc.h>],[
1274 #if MPC_VERSION < MPC_VERSION_NUM(0,8,0)
1277 ], [AC_TRY_COMPILE([#include <mpc.h>],[
1278 #if MPC_VERSION < MPC_VERSION_NUM(0,8,1)
1281 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1282 [AC_MSG_RESULT([no]); have_gmp=no])
1285 # Now check the MPFR library.
1286 if test x"$have_gmp" = xyes; then
1288 LIBS="$LIBS $gmplibs"
1289 AC_MSG_CHECKING([for the correct version of the gmp/mpfr/mpc libraries])
1290 AC_TRY_LINK([#include <mpc.h>],[
1297 mpfr_atan2 (n, n, x, GMP_RNDN);
1298 mpfr_erfc (n, x, GMP_RNDN);
1299 mpfr_subnormalize (x, t, GMP_RNDN);
1303 mpc_set_ui_ui (c, 1, 1, MPC_RNDNN);
1304 mpc_cosh (c, c, MPC_RNDNN);
1305 mpc_pow (c, c, c, MPC_RNDNN);
1306 mpc_acosh (c, c, MPC_RNDNN);
1308 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1312 CFLAGS="$saved_CFLAGS"
1314 # The library versions listed in the error message below should match
1315 # the HARD-minimums enforced above.
1316 if test x$have_gmp != xyes; then
1317 AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 2.3.1+ and MPC 0.8.0+.
1318 Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify
1319 their locations. Source code for these libraries can be found at
1320 their respective hosting sites as well as at
1321 ftp://gcc.gnu.org/pub/gcc/infrastructure/. See also
1322 http://gcc.gnu.org/install/prerequisites.html for additional info. If
1323 you obtained GMP, MPFR and/or MPC from a vendor distribution package,
1324 make sure that you have installed both the libraries and the header
1325 files. They may be located in separate packages.])
1329 # Flags needed for both GMP, MPFR and/or MPC.
1332 AC_SUBST(extra_mpfr_configure_flags)
1333 AC_SUBST(extra_mpc_gmp_configure_flags)
1334 AC_SUBST(extra_mpc_mpfr_configure_flags)
1336 # Allow host libstdc++ to be specified for static linking with PPL.
1337 AC_ARG_WITH(host-libstdcxx,
1338 [AS_HELP_STRING([--with-host-libstdcxx=L],
1339 [use linker arguments L to link with libstdc++
1340 when linking with PPL])])
1342 case $with_host_libstdcxx in
1344 AC_MSG_ERROR([-with-host-libstdcxx needs an argument])
1348 # Linker flags to use for stage1 or when not boostrapping.
1349 AC_ARG_WITH(stage1-ldflags,
1350 [AS_HELP_STRING([--with-stage1-ldflags=FLAGS], [linker flags for stage1])],
1351 [if test "$withval" = "no" -o "$withval" = "yes"; then
1354 stage1_ldflags=$withval
1357 AC_SUBST(stage1_ldflags)
1359 # Libraries to use for stage1 or when not bootstrapping.
1360 AC_ARG_WITH(stage1-libs,
1361 [AS_HELP_STRING([--with-stage1-libs=LIBS], [libraries for stage1])],
1362 [if test "$withval" = "no" -o "$withval" = "yes"; then
1365 stage1_libs=$withval
1367 [stage1_libs=$with_host_libstdcxx])
1368 AC_SUBST(stage1_libs)
1370 # Libraries to use for stage2 and later builds. This defaults to the
1371 # argument passed to --with-host-libstdcxx.
1372 AC_ARG_WITH(boot-libs,
1373 [AS_HELP_STRING([--with-boot-libs=LIBS], [libraries for stage2 and later])],
1374 [if test "$withval" = "no" -o "$withval" = "yes"; then
1377 poststage1_libs=$withval
1379 [poststage1_libs=$with_host_libstdcxx])
1380 AC_SUBST(poststage1_libs)
1382 # Linker flags to use for stage2 and later builds.
1383 AC_ARG_WITH(boot-ldflags,
1384 [AS_HELP_STRING([--with-boot-ldflags=FLAGS],
1385 [linker flags for stage2 and later])],
1386 [if test "$withval" = "no" -o "$withval" = "yes"; then
1389 poststage1_ldflags=$withval
1391 [poststage1_ldflags=
1392 # In stages 2 and 3, default to linking libstdc++ and libgcc
1393 # statically. But if the user explicitly specified the libraries to
1394 # use, trust that they are doing what they want.
1395 if test "$poststage1_libs" = ""; then
1396 poststage1_ldflags="-static-libstdc++ -static-libgcc"
1398 AC_SUBST(poststage1_ldflags)
1406 [AS_HELP_STRING([--with-ppl=PATH],
1407 [specify prefix directory for the installed PPL package.
1408 Equivalent to --with-ppl-include=PATH/include
1409 plus --with-ppl-lib=PATH/lib])])
1410 AC_ARG_WITH(ppl-include,
1411 [AS_HELP_STRING([--with-ppl-include=PATH],
1412 [specify directory for installed PPL include files])])
1413 AC_ARG_WITH(ppl-lib,
1414 [AS_HELP_STRING([--with-ppl-lib=PATH],
1415 [specify directory for the installed PPL library])])
1417 AC_ARG_ENABLE(ppl-version-check,
1418 [AS_HELP_STRING([--disable-ppl-version-check],
1419 [disable check for PPL version])])
1425 ppllibs="-L$with_ppl/lib"
1426 pplinc="-I$with_ppl/include $pplinc"
1427 if test -d "$with_ppl/lib" && test -d "$with_ppl/include"; then
1430 AC_MSG_ERROR([cannot find directories "$with_ppl/lib" or "$with_ppl/include"])
1435 if test x"$with_ppl_include" != x; then
1436 pplinc="-I$with_ppl_include $pplinc"
1440 if test "x$with_ppl_lib" != x; then
1441 ppllibs="-L$with_ppl_lib"
1445 if test x"$with_ppl$with_ppl_include$with_ppl_lib" = x && test -d ${srcdir}/ppl; then
1446 if test x"$enable_watchdog" = xyes; then
1449 ppllibs='-L$$r/$(HOST_SUBDIR)/ppl/interfaces/C/'"$lt_cv_objdir"' -L$$r/$(HOST_SUBDIR)/ppl/src/'"$lt_cv_objdir"
1450 pplinc='-I$$r/$(HOST_SUBDIR)/ppl/src -I$$r/$(HOST_SUBDIR)/ppl/interfaces/C '
1451 enable_ppl_version_check=no
1455 if test "x$with_ppl" != xno; then
1456 if test "x$pwllib" = x; then
1458 LIBS="$LIBS $ppllibs -lstdc++ -lm"
1459 AC_CHECK_LIB(pwl, PWL_handle_timeout, [pwllib="-lpwl"])
1463 ppllibs="$ppllibs -lppl_c -lppl $pwllib -lgmpxx"
1465 if test "$enable_ppl_version_check" != no; then
1466 saved_CFLAGS="$CFLAGS"
1467 CFLAGS="$CFLAGS $pplinc $gmpinc"
1468 AC_MSG_CHECKING([for version 0.11 (revision 0 or later) of PPL])
1469 AC_TRY_COMPILE([#include "ppl_c.h"],[
1470 #if PPL_VERSION_MAJOR != 0 || PPL_VERSION_MINOR < 11
1473 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); ppllibs= ; pplinc= ; with_ppl=no ])
1474 CFLAGS="$saved_CFLAGS"
1478 # Flags needed for PPL
1485 dnl Provide configure switches and initialize clooginc & clooglibs
1486 dnl with user input.
1488 if test "x$with_ppl" = "xno"; then
1489 dnl Only execute fail-action, if CLooG has been requested.
1490 CLOOG_REQUESTED([graphite_requested=yes], [graphite_requested=no])
1491 if test "${graphite_requested}" = yes; then
1492 AC_MSG_ERROR([Unable to find a usable PPL. See config.log for details.])
1496 if test "x${with_cloog}" = x && test "x${with_cloog_include}" = x \
1497 && test "x${with_cloog_lib}" = x && test -d ${srcdir}/cloog; then
1498 clooglibs='-L$$r/$(HOST_SUBDIR)/cloog/'"$lt_cv_objdir"' '
1499 clooginc='-I$$r/$(HOST_SUBDIR)/cloog/include -I$$s/cloog/include '
1501 if test "x$with_cloog" != "xno"; then
1502 dnl The minimal version of CLooG required for Graphite.
1504 dnl If we use CLooG-Legacy, the provided version information is
1506 CLOOG_CHECK_VERSION(0,16,1)
1508 dnl Only execute fail-action, if CLooG has been requested.
1510 AC_MSG_ERROR([Unable to find a usable CLooG. See config.log for details.])])
1513 # Check for LTO support.
1515 [AS_HELP_STRING([--enable-lto], [enable link time optimization support])],
1516 enable_lto=$enableval,
1517 enable_lto=yes; default_enable_lto=yes)
1519 ACX_ELF_TARGET_IFELSE([# ELF platforms build the lto-plugin always.
1520 build_lto_plugin=yes
1521 ],[if test x"$default_enable_lto" = x"yes" ; then
1523 *-apple-darwin9 | *-cygwin* | *-mingw*) ;;
1524 # On other non-ELF platforms, LTO has yet to be validated.
1528 # Apart from ELF platforms, only Windows and Darwin support LTO so far.
1529 # It would also be nice to check the binutils support, but we don't
1530 # have gcc_GAS_CHECK_FEATURE available here. For now, we'll just
1531 # warn during gcc/ subconfigure; unless you're bootstrapping with
1532 # -flto it won't be needed until after installation anyway.
1534 *-cygwin* | *-mingw* | *-apple-darwin*) ;;
1535 *) if test x"$enable_lto" = x"yes"; then
1536 AC_MSG_ERROR([LTO support is not enabled for this target.])
1541 # Among non-ELF, only Windows platforms support the lto-plugin so far.
1542 # Build it unless LTO was explicitly disabled.
1544 *-cygwin* | *-mingw*) build_lto_plugin=$enable_lto ;;
1550 # By default, C is the only stage 1 language.
1551 stage1_languages=,c,
1553 # Target libraries that we bootstrap.
1554 bootstrap_target_libs=,target-libgcc,
1556 # Figure out what language subdirectories are present.
1557 # Look if the user specified --enable-languages="..."; if not, use
1558 # the environment variable $LANGUAGES if defined. $LANGUAGES might
1560 # NB: embedded tabs in this IF block -- do not untabify
1561 if test -d ${srcdir}/gcc; then
1562 if test x"${enable_languages+set}" != xset; then
1563 if test x"${LANGUAGES+set}" = xset; then
1564 enable_languages="${LANGUAGES}"
1565 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1567 enable_languages=all
1570 if test x"${enable_languages}" = x ||
1571 test x"${enable_languages}" = xyes;
1573 echo configure.in: --enable-languages needs at least one language argument 1>&2
1577 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1579 # 'f95' is the old name for the 'fortran' language. We issue a warning
1580 # and make the substitution.
1581 case ,${enable_languages}, in
1583 echo configure.in: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2
1584 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'`
1588 # First scan to see if an enabled language requires some other language.
1589 # We assume that a given config-lang.in will list all the language
1590 # front ends it requires, even if some are required indirectly.
1591 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1592 case ${lang_frag} in
1594 # The odd quoting in the next line works around
1595 # an apparent bug in bash 1.12 on linux.
1596 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1598 # From the config-lang.in, get $language, $lang_requires, and
1599 # $lang_requires_boot_languages.
1602 lang_requires_boot_languages=
1604 for other in ${lang_requires} ${lang_requires_boot_languages}; do
1605 case ,${enable_languages}, in
1609 echo " \`$other' language required by \`$language'; enabling" 1>&2
1610 enable_languages="${enable_languages},${other}"
1614 for other in ${lang_requires_boot_languages} ; do
1615 if test "$other" != "c"; then
1616 case ,${enable_stage1_languages}, in
1620 case ,${enable_languages}, in
1622 echo " '$other' language required by '$language' in stage 1; enabling" 1>&2
1623 enable_stage1_languages="$enable_stage1_languages,${other}"
1634 new_enable_languages=,c,
1636 # If LTO is enabled, add the LTO front end.
1637 extra_host_libiberty_configure_flags=
1638 if test "$enable_lto" = "yes" ; then
1639 case ,${enable_languages}, in
1641 *) enable_languages="${enable_languages},lto" ;;
1643 if test "${build_lto_plugin}" = "yes" ; then
1644 configdirs="$configdirs lto-plugin"
1645 extra_host_libiberty_configure_flags=--enable-shared
1648 AC_SUBST(extra_host_libiberty_configure_flags)
1650 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
1651 potential_languages=,c,
1653 enabled_target_libs=
1654 disabled_target_libs=
1656 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1657 case ${lang_frag} in
1659 # The odd quoting in the next line works around
1660 # an apparent bug in bash 1.12 on linux.
1661 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1663 # From the config-lang.in, get $language, $target_libs,
1664 # $lang_dirs, $boot_language, and $build_by_default
1670 build_by_default=yes
1672 if test x${language} = x; then
1673 echo "${lang_frag} doesn't set \$language." 1>&2
1677 if test "$language" = "c++" \
1678 && test "$ENABLE_BUILD_WITH_CXX" = "yes"; then
1682 case ,${enable_languages}, in
1684 # Language was explicitly selected; include it.
1688 # 'all' was selected, select it if it is a default language
1689 add_this_lang=${build_by_default}
1696 # Disable languages that need other directories if these aren't available.
1697 for i in $subdir_requires; do
1698 test -f "$srcdir/gcc/$i/config-lang.in" && continue
1699 case ,${enable_languages}, in
1701 # Specifically requested language; tell them.
1702 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing])
1706 add_this_lang=unsupported
1711 # Disable Ada if no preexisting GNAT is available.
1712 case ,${enable_languages},:${language}:${have_gnat} in
1713 *,${language},*:ada:no)
1714 # Specifically requested language; tell them.
1715 AC_MSG_ERROR([GNAT is required to build $language])
1719 add_this_lang=unsupported
1723 # Disable a language that is unsupported by the target.
1724 case " $unsupported_languages " in
1726 add_this_lang=unsupported
1730 case $add_this_lang in
1732 # Remove language-dependent dirs.
1733 disabled_target_libs="$disabled_target_libs $target_libs"
1734 noconfigdirs="$noconfigdirs $lang_dirs"
1737 # Remove language-dependent dirs; still show language as supported.
1738 disabled_target_libs="$disabled_target_libs $target_libs"
1739 noconfigdirs="$noconfigdirs $lang_dirs"
1740 potential_languages="${potential_languages}${language},"
1743 new_enable_languages="${new_enable_languages}${language},"
1744 potential_languages="${potential_languages}${language},"
1745 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
1746 enabled_target_libs="$enabled_target_libs $target_libs"
1747 case "${boot_language}:,$enable_stage1_languages," in
1748 yes:* | *:*,$language,* | *:*,yes, | *:*,all,)
1749 # Add to (comma-separated) list of stage 1 languages.
1750 case ",$stage1_languages," in
1751 *,$language,* | ,yes, | ,all,) ;;
1752 *) stage1_languages="${stage1_languages}${language}," ;;
1754 # We need to bootstrap any supporting libraries.
1755 bootstrap_target_libs="${bootstrap_target_libs}${target_libs},"
1764 # Add target libraries which are only needed for disabled languages
1766 if test -n "$disabled_target_libs"; then
1767 for dir in $disabled_target_libs; do
1768 case " $enabled_target_libs " in
1770 *) noconfigdirs="$noconfigdirs $dir" ;;
1775 AC_ARG_ENABLE(stage1-languages,
1776 [AS_HELP_STRING([[--enable-stage1-languages[=all]]],
1777 [choose additional languages to build during
1778 stage1. Mostly useful for compiler development])],
1779 [case ,${enable_stage1_languages}, in
1781 # Set it to something that will have no effect in the loop below
1782 enable_stage1_languages=c ;;
1784 enable_stage1_languages=`echo $new_enable_languages | \
1785 sed -e "s/^,//" -e "s/,$//" ` ;;
1787 enable_stage1_languages=`echo ,$enable_stage1_languages, | \
1788 sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;;
1791 # Add "good" languages from enable_stage1_languages to stage1_languages,
1792 # while "bad" languages go in missing_languages. Leave no duplicates.
1793 for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do
1794 case $potential_languages in
1796 case $stage1_languages in
1798 *) stage1_languages="$stage1_languages$i," ;;
1801 case $missing_languages in
1803 *) missing_languages="$missing_languages$i," ;;
1808 # Remove leading/trailing commas that were added for simplicity
1809 potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"`
1810 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
1811 stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"`
1812 new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"`
1814 if test "x$missing_languages" != x; then
1816 The following requested languages could not be built: ${missing_languages}
1817 Supported languages are: ${potential_languages}])
1819 if test "x$new_enable_languages" != "x$enable_languages"; then
1820 echo The following languages will be built: ${new_enable_languages}
1821 enable_languages="$new_enable_languages"
1824 AC_SUBST(stage1_languages)
1825 ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" `
1828 # Handle --disable-<component> generically.
1829 for dir in $configdirs $build_configdirs $target_configdirs ; do
1830 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g`
1831 varname=`echo $dirname | sed -e s/+/_/g`
1832 if eval test x\${enable_${varname}} "=" xno ; then
1833 noconfigdirs="$noconfigdirs $dir"
1837 # Check for Boehm's garbage collector
1838 AC_ARG_ENABLE(objc-gc,
1839 [AS_HELP_STRING([--enable-objc-gc],
1840 [enable use of Boehm's garbage collector with the
1841 GNU Objective-C runtime])],
1842 [case ,${enable_languages},:${enable_objc_gc}:${noconfigdirs} in
1843 *,objc,*:*:yes:*target-boehm-gc*)
1844 AC_MSG_ERROR([Boehm's garbage collector was requested yet not supported in this configuration])
1848 # Make sure we only build Boehm's garbage collector if required.
1849 case ,${enable_languages},:${enable_objc_gc} in
1851 # Keep target-boehm-gc if requested for Objective-C.
1854 # Otherwise remove target-boehm-gc depending on target-libjava.
1855 if echo " ${noconfigdirs} " | grep "target-libjava" >/dev/null 2>&1; then
1856 noconfigdirs="$noconfigdirs target-boehm-gc"
1861 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
1862 # $build_configdirs and $target_configdirs.
1863 # If we have the source for $noconfigdirs entries, add them to $notsupp.
1866 for dir in . $skipdirs $noconfigdirs ; do
1867 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
1868 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1869 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
1870 if test -r $srcdir/$dirname/configure ; then
1871 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1874 notsupp="$notsupp $dir"
1878 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1879 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"`
1880 if test -r $srcdir/$dirname/configure ; then
1881 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1884 notsupp="$notsupp $dir"
1888 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1889 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
1890 if test -r $srcdir/$dirname/configure ; then
1891 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1894 notsupp="$notsupp $dir"
1900 # Sometimes the tools are distributed with libiberty but with no other
1901 # libraries. In that case, we don't want to build target-libiberty.
1902 # Don't let libgcc imply libiberty either.
1903 if test -n "${target_configdirs}" ; then
1906 for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do
1907 if test "$i" = "libgcc"; then
1908 libgcc=target-libgcc
1909 elif test "$i" != "libiberty" ; then
1910 if test -r $srcdir/$i/configure ; then
1916 if test -z "${others}" ; then
1917 target_configdirs=$libgcc
1921 # Quietly strip out all directories which aren't configurable in this tree.
1922 # This relies on all configurable subdirectories being autoconfiscated, which
1924 build_configdirs_all="$build_configdirs"
1926 for i in ${build_configdirs_all} ; do
1927 j=`echo $i | sed -e s/build-//g`
1928 if test -f ${srcdir}/$j/configure ; then
1929 build_configdirs="${build_configdirs} $i"
1933 configdirs_all="$configdirs"
1935 for i in ${configdirs_all} ; do
1936 if test -f ${srcdir}/$i/configure ; then
1937 configdirs="${configdirs} $i"
1941 target_configdirs_all="$target_configdirs"
1943 for i in ${target_configdirs_all} ; do
1944 j=`echo $i | sed -e s/target-//g`
1945 if test -f ${srcdir}/$j/configure ; then
1946 target_configdirs="${target_configdirs} $i"
1950 # Produce a warning message for the subdirs we can't configure.
1951 # This isn't especially interesting in the Cygnus tree, but in the individual
1952 # FSF releases, it's important to let people know when their machine isn't
1953 # supported by the one or two programs in a package.
1955 if test -n "${notsupp}" && test -z "${norecursion}" ; then
1956 # If $appdirs is non-empty, at least one of those directories must still
1957 # be configured, or we error out. (E.g., if the gas release supports a
1958 # specified target in some subdirs but not the gas subdir, we shouldn't
1959 # pretend that all is well.)
1960 if test -n "$appdirs" ; then
1961 for dir in $appdirs ; do
1962 if test -r $dir/Makefile.in ; then
1963 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1967 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
1973 if test -n "$appdirs" ; then
1974 echo "*** This configuration is not supported by this package." 1>&2
1978 # Okay, some application will build, or we don't care to check. Still
1979 # notify of subdirs not getting built.
1980 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
1981 echo " ${notsupp}" 1>&2
1982 echo " (Any other directories should still work fine.)" 1>&2
1990 # To find our prefix, in gcc_cv_tool_prefix.
1995 AC_ARG_WITH([build-sysroot],
1996 [AS_HELP_STRING([--with-build-sysroot=SYSROOT],
1997 [use sysroot as the system root during the build])],
1998 [if test x"$withval" != x ; then
1999 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval"
2001 [SYSROOT_CFLAGS_FOR_TARGET=])
2002 AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET)
2004 AC_ARG_WITH([debug-prefix-map],
2005 [AS_HELP_STRING([--with-debug-prefix-map='A=B C=D ...'],
2006 [map A to B, C to D ... in debug information])],
2007 [if test x"$withval" != x; then
2008 DEBUG_PREFIX_CFLAGS_FOR_TARGET=
2009 for debug_map in $withval; do
2010 DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map"
2013 [DEBUG_PREFIX_CFLAGS_FOR_TARGET=])
2014 AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET)
2016 # During gcc bootstrap, if we use some random cc for stage1 then CFLAGS
2017 # might be empty or "-g". We don't require a C++ compiler, so CXXFLAGS
2018 # might also be empty (or "-g", if a non-GCC C++ compiler is in the path).
2019 # We want to ensure that TARGET libraries (which we know are built with
2020 # gcc) are built with "-O2 -g", so include those options when setting
2021 # CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET.
2022 if test "x$CFLAGS_FOR_TARGET" = x; then
2023 CFLAGS_FOR_TARGET=$CFLAGS
2026 *) CFLAGS_FOR_TARGET="-O2 $CFLAGS" ;;
2029 *" -g "* | *" -g3 "*) ;;
2030 *) CFLAGS_FOR_TARGET="-g $CFLAGS" ;;
2033 AC_SUBST(CFLAGS_FOR_TARGET)
2035 if test "x$CXXFLAGS_FOR_TARGET" = x; then
2036 CXXFLAGS_FOR_TARGET=$CXXFLAGS
2037 case " $CXXFLAGS " in
2039 *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS" ;;
2041 case " $CXXFLAGS " in
2042 *" -g "* | *" -g3 "*) ;;
2043 *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS" ;;
2046 AC_SUBST(CXXFLAGS_FOR_TARGET)
2048 # Handle --with-headers=XXX. If the value is not "yes", the contents of
2049 # the named directory are copied to $(tooldir)/sys-include.
2050 if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
2051 if test x${is_cross_compiler} = xno ; then
2052 echo 1>&2 '***' --with-headers is only supported when cross compiling
2055 if test x"${with_headers}" != xyes ; then
2056 x=${gcc_cv_tool_prefix}
2057 copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include"
2061 # Handle --with-libs=XXX. If the value is not "yes", the contents of
2062 # the name directories are copied to $(tooldir)/lib. Multiple directories
2064 if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
2065 if test x${is_cross_compiler} = xno ; then
2066 echo 1>&2 '***' --with-libs is only supported when cross compiling
2069 if test x"${with_libs}" != xyes ; then
2070 # Copy the libraries in reverse order, so that files in the first named
2071 # library override files in subsequent libraries.
2072 x=${gcc_cv_tool_prefix}
2073 for l in ${with_libs}; do
2074 copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}"
2079 # Set with_gnu_as, with_gnu_ld, and with_system_zlib as appropriate.
2081 # This is done by determining whether or not the appropriate directory
2082 # is available, and by checking whether or not specific configurations
2083 # have requested that this magic not happen.
2085 # The command line options always override the explicit settings in
2086 # configure.in, and the settings in configure.in override this magic.
2088 # If the default for a toolchain is to use GNU as and ld, and you don't
2089 # want to do that, then you should use the --without-gnu-as and
2090 # --without-gnu-ld options for the configure script. Similarly, if
2091 # the default is to use the included zlib and you don't want to do that,
2092 # you should use the --with-system-zlib option for the configure script.
2094 if test x${use_gnu_as} = x &&
2095 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
2097 extra_host_args="$extra_host_args --with-gnu-as"
2100 if test x${use_gnu_ld} = x &&
2101 echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then
2103 extra_host_args="$extra_host_args --with-gnu-ld"
2106 if test x${use_included_zlib} = x &&
2107 echo " ${configdirs} " | grep " zlib " > /dev/null 2>&1 ; then
2110 with_system_zlib=yes
2111 extra_host_args="$extra_host_args --with-system-zlib"
2114 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
2115 # can detect this case.
2117 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
2119 extra_host_args="$extra_host_args --with-newlib"
2122 # Handle ${copy_dirs}
2123 set fnord ${copy_dirs}
2125 while test $# != 0 ; do
2126 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
2129 echo Copying $1 to $2
2131 # Use the install script to create the directory and all required
2132 # parent directories.
2133 if test -d $2 ; then
2137 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
2140 # Copy the directory, assuming we have tar.
2141 # FIXME: Should we use B in the second tar? Not all systems support it.
2142 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
2144 # It is the responsibility of the user to correctly adjust all
2145 # symlinks. If somebody can figure out how to handle them correctly
2146 # here, feel free to add the code.
2153 # Determine a target-dependent exec_prefix that the installed
2154 # gcc will search in. Keep this list sorted by triplet, with
2155 # the *-*-osname triplets last.
2159 md_exec_prefix=/gnu/lib/gcc-lib
2161 i[[34567]]86-pc-msdosdjgpp*)
2162 md_exec_prefix=/dev/env/DJDIR/bin
2164 i[[34567]]86-*-sco3.2v5*)
2165 if test $with_gnu_as = yes; then
2166 md_exec_prefix=/usr/gnu/bin
2168 md_exec_prefix=/usr/ccs/bin/elf
2173 powerpc-*-chorusos* | \
2174 powerpc*-*-eabi* | \
2175 powerpc*-*-sysv* | \
2176 powerpc*-*-kaos* | \
2178 md_exec_prefix=/usr/ccs/bin
2183 md_exec_prefix=/usr/ccs/bin
2198 md_exec_prefix=/usr/ccs/bin
2202 extra_arflags_for_target=
2203 extra_nmflags_for_target=
2204 extra_ranlibflags_for_target=
2205 target_makefile_frag=/dev/null
2208 target_makefile_frag="config/mt-spu"
2211 target_makefile_frag="config/mt-sde"
2213 mipsisa*-*-elfoabi*)
2214 target_makefile_frag="config/mt-mips-elfoabi"
2216 mips*-*-*linux* | mips*-*-gnu*)
2217 target_makefile_frag="config/mt-mips-gnu"
2219 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
2220 target_makefile_frag="config/mt-gnu"
2222 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
2223 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
2224 # commands to handle both 32-bit and 64-bit objects. These flags are
2225 # harmless if we're using GNU nm or ar.
2226 extra_arflags_for_target=" -X32_64"
2227 extra_nmflags_for_target=" -B -X32_64"
2230 # ranlib before Darwin10 requires the -c flag to look at common symbols.
2231 extra_ranlibflags_for_target=" -c"
2235 alphaieee_frag=/dev/null
2238 # This just makes sure to use the -mieee option to build target libs.
2239 # This should probably be set individually by each library.
2240 alphaieee_frag="config/mt-alphaieee"
2244 # If --enable-target-optspace always use -Os instead of -O2 to build
2245 # the target libraries, similarly if it is not specified, use -Os
2246 # on selected platforms.
2247 ospace_frag=/dev/null
2248 case "${enable_target_optspace}:${target}" in
2250 ospace_frag="config/mt-ospace"
2253 ospace_frag="config/mt-d30v"
2255 :m32r-* | :d10v-* | :fr30-*)
2256 ospace_frag="config/mt-ospace"
2261 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
2265 # Default to using --with-stabs for certain targets.
2266 if test x${with_stabs} = x ; then
2268 mips*-*-irix[[56]]*)
2270 mips*-*-* | alpha*-*-osf*)
2272 extra_host_args="${extra_host_args} --with-stabs"
2277 # hpux11 in 64bit mode has libraries in a weird place. Arrange to find
2278 # them automatically.
2281 extra_host_args="$extra_host_args -x-libraries=/usr/lib/pa20_64 -x-includes=/usr/X11R6/include"
2285 # Some systems (e.g., one of the i386-aix systems the gas testers are
2286 # using) don't handle "\$" correctly, so don't use it here.
2287 tooldir='${exec_prefix}'/${target_noncanonical}
2288 build_tooldir=${tooldir}
2290 # Create a .gdbinit file which runs the one in srcdir
2291 # and tells GDB to look there for source files.
2293 if test -r ${srcdir}/.gdbinit ; then
2296 *) cat > ./.gdbinit <<EOF
2300 source ${srcdir}/.gdbinit
2306 # Make sure that the compiler is able to generate an executable. If it
2307 # can't, we are probably in trouble. We don't care whether we can run the
2308 # executable--we might be using a cross compiler--we only care whether it
2309 # can be created. At this point the main configure script has set CC.
2311 echo "int main () { return 0; }" > conftest.c
2312 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
2313 if test $? = 0 ; then
2314 if test -s conftest || test -s conftest.exe ; then
2320 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
2321 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
2328 # The Solaris /usr/ucb/cc compiler does not appear to work.
2330 sparc-sun-solaris2*)
2331 CCBASE="`echo ${CC-cc} | sed 's/ .*$//'`"
2332 if test "`type $CCBASE | sed 's/^[[^/]]*//'`" = "/usr/ucb/cc" ; then
2334 test -d /opt/SUNWspro/bin && could_use="/opt/SUNWspro/bin"
2335 if test -d /opt/cygnus/bin ; then
2336 if test "$could_use" = "" ; then
2337 could_use="/opt/cygnus/bin"
2339 could_use="$could_use or /opt/cygnus/bin"
2342 if test "$could_use" = "" ; then
2343 echo "Warning: compilation may fail because you're using"
2344 echo "/usr/ucb/cc. You should change your PATH or CC "
2345 echo "variable and rerun configure."
2347 echo "Warning: compilation may fail because you're using"
2348 echo "/usr/ucb/cc, when you should use the C compiler from"
2349 echo "$could_use. You should change your"
2350 echo "PATH or CC variable and rerun configure."
2356 # Decide which environment variable is used to find dynamic libraries.
2358 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
2359 *-*-darwin*) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;;
2360 *-*-mingw* | *-*-cygwin ) RPATH_ENVVAR=PATH ;;
2361 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
2364 # On systems where the dynamic library environment variable is PATH,
2365 # gcc/ will put dynamic libraries into a subdirectory to avoid adding
2366 # built executables to PATH.
2367 if test "$RPATH_ENVVAR" = PATH; then
2368 GCC_SHLIB_SUBDIR=/shlib
2373 # Record target_configdirs and the configure arguments for target and
2374 # build configuration in Makefile.
2375 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
2376 build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
2378 # If we are building libgomp, bootstrap it.
2379 if echo " ${target_configdirs} " | grep " libgomp " > /dev/null 2>&1 ; then
2380 bootstrap_target_libs=${bootstrap_target_libs}target-libgomp,
2383 # Determine whether gdb needs tk/tcl or not.
2384 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
2385 # and in that case we want gdb to be built without tk. Ugh!
2386 # In fact I believe gdb is the *only* package directly dependent on tk,
2387 # so we should be able to put the 'maybe's in unconditionally and
2388 # leave out the maybe dependencies when enable_gdbtk is false. I'm not
2389 # 100% sure that that's safe though.
2391 gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
2392 case "$enable_gdbtk" in
2396 GDB_TK="${gdb_tk}" ;;
2398 # Only add the dependency on gdbtk when GDBtk is part of the gdb
2399 # distro. Eventually someone will fix this and move Insight, nee
2400 # gdbtk to a separate directory.
2401 if test -d ${srcdir}/gdb/gdbtk ; then
2408 CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g`
2409 INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g`
2411 # Strip out unwanted targets.
2413 # While at that, we remove Makefiles if we were started for recursive
2414 # configuration, so that the top-level Makefile reconfigures them,
2415 # like we used to do when configure itself was recursive.
2417 # Loop over modules. We used to use the "$extrasub" feature from Autoconf
2418 # but now we're fixing up the Makefile ourselves with the additional
2419 # commands passed to AC_CONFIG_FILES. Use separate variables
2420 # extrasub-{build,host,target} not because there is any reason to split
2421 # the substitutions up that way, but only to remain below the limit of
2422 # 99 commands in a script, for HP-UX sed.
2423 # Do not nest @if/@endif pairs, because configure will not warn you at all.
2425 AC_ARG_ENABLE([bootstrap],
2426 [AS_HELP_STRING([--enable-bootstrap],
2427 [enable bootstrapping @<:@yes if native build@:>@])],,
2428 enable_bootstrap=default)
2430 # Issue errors and warnings for invalid/strange bootstrap combinations.
2431 case "$configdirs" in
2432 *gcc*) have_compiler=yes ;;
2433 *) have_compiler=no ;;
2436 case "$have_compiler:$host:$target:$enable_bootstrap" in
2439 # Default behavior. Enable bootstrap if we have a compiler
2440 # and we are in a native configuration.
2441 yes:$build:$build:default)
2442 enable_bootstrap=yes ;;
2445 enable_bootstrap=no ;;
2447 # We have a compiler and we are in a native configuration, bootstrap is ok
2448 yes:$build:$build:yes)
2451 # Other configurations, but we have a compiler. Assume the user knows
2454 AC_MSG_WARN([trying to bootstrap a cross compiler])
2457 # No compiler: if they passed --enable-bootstrap explicitly, fail
2459 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
2461 # Fail if wrong command line
2463 AC_MSG_ERROR([invalid option for --enable-bootstrap])
2467 case ",$enable_languages,:$ENABLE_BUILD_WITH_CXX:$enable_bootstrap" in
2470 AC_MSG_ERROR([bootstrapping with --enable-build-with-cxx requires c++ in --enable-languages])
2474 case "$enable_bootstrap:$ENABLE_GOLD: $configdirs :,$stage1_languages," in
2475 yes:yes:*\ gold\ *:*,c++,*) ;;
2476 yes:yes:*\ gold\ *:*)
2477 AC_MSG_ERROR([in a combined tree, bootstrapping with --enable-gold requires c++ in stage1_languages])
2481 # Adjust the toplevel makefile according to whether bootstrap was selected.
2482 case $enable_bootstrap in
2484 bootstrap_suffix=bootstrap
2485 BUILD_CONFIG=bootstrap-debug
2488 bootstrap_suffix=no-bootstrap
2493 AC_MSG_CHECKING(for default BUILD_CONFIG)
2495 AC_ARG_WITH([build-config],
2496 [AS_HELP_STRING([--with-build-config='NAME NAME2...'],
2497 [use config/NAME.mk build configuration])],
2498 [case $with_build_config in
2499 yes) with_build_config= ;;
2500 no) with_build_config= BUILD_CONFIG= ;;
2503 if test "x${with_build_config}" != x; then
2504 BUILD_CONFIG=$with_build_config
2506 case $BUILD_CONFIG in
2508 if echo "int f (void) { return 0; }" > conftest.c &&
2509 ${CC} -c conftest.c &&
2510 mv conftest.o conftest.o.g0 &&
2511 ${CC} -c -g conftest.c &&
2512 mv conftest.o conftest.o.g &&
2513 ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g > /dev/null 2>&1; then
2518 rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g
2522 AC_MSG_RESULT($BUILD_CONFIG)
2523 AC_SUBST(BUILD_CONFIG)
2526 for module in ${build_configdirs} ; do
2527 if test -z "${no_recursion}" \
2528 && test -f ${build_subdir}/${module}/Makefile; then
2529 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
2530 rm -f ${build_subdir}/${module}/Makefile
2532 extrasub_build="$extrasub_build
2533 /^@if build-$module\$/d
2534 /^@endif build-$module\$/d
2535 /^@if build-$module-$bootstrap_suffix\$/d
2536 /^@endif build-$module-$bootstrap_suffix\$/d"
2539 for module in ${configdirs} ; do
2540 if test -z "${no_recursion}"; then
2541 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do
2542 if test -f ${file}; then
2543 echo 1>&2 "*** removing ${file} to force reconfigure"
2548 extrasub_host="$extrasub_host
2550 /^@endif $module\$/d
2551 /^@if $module-$bootstrap_suffix\$/d
2552 /^@endif $module-$bootstrap_suffix\$/d"
2555 for module in ${target_configdirs} ; do
2556 if test -z "${no_recursion}" \
2557 && test -f ${target_subdir}/${module}/Makefile; then
2558 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
2559 rm -f ${target_subdir}/${module}/Makefile
2562 # We only bootstrap target libraries listed in bootstrap_target_libs.
2563 case $bootstrap_target_libs in
2564 *,target-$module,*) target_bootstrap_suffix=$bootstrap_suffix ;;
2565 *) target_bootstrap_suffix=no-bootstrap ;;
2568 extrasub_target="$extrasub_target
2569 /^@if target-$module\$/d
2570 /^@endif target-$module\$/d
2571 /^@if target-$module-$target_bootstrap_suffix\$/d
2572 /^@endif target-$module-$target_bootstrap_suffix\$/d"
2575 # Do the final fixup along with target modules.
2576 extrasub_target="$extrasub_target
2577 /^@if /,/^@endif /d"
2579 # Create the serialization dependencies. This uses a temporary file.
2581 AC_ARG_ENABLE([serial-configure],
2582 [AS_HELP_STRING([[--enable-serial-[{host,target,build}-]configure]],
2583 [force sequential configuration of
2584 sub-packages for the host, target or build
2585 machine, or all sub-packages])])
2587 case ${enable_serial_configure} in
2589 enable_serial_build_configure=yes
2590 enable_serial_host_configure=yes
2591 enable_serial_target_configure=yes
2595 # These force 'configure's to be done one at a time, to avoid problems
2596 # with contention over a shared config.cache.
2598 echo '# serdep.tmp' > serdep.tmp
2600 test "x${enable_serial_build_configure}" = xyes &&
2601 for item in ${build_configdirs} ; do
2604 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
2609 test "x${enable_serial_host_configure}" = xyes &&
2610 for item in ${configdirs} ; do
2613 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
2618 test "x${enable_serial_target_configure}" = xyes &&
2619 for item in ${target_configdirs} ; do
2622 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
2626 serialization_dependencies=serdep.tmp
2627 AC_SUBST_FILE(serialization_dependencies)
2629 # Base args. Strip norecursion, cache-file, srcdir, host, build,
2630 # target, nonopt, and variable assignments. These are the ones we
2631 # might not want to pass down to subconfigures. The exception being
2632 # --cache-file=/dev/null, which is used to turn off the use of cache
2633 # files altogether, and which should be passed on to subconfigures.
2634 # Also strip program-prefix, program-suffix, and program-transform-name,
2635 # so that we can pass down a consistent program-transform-name.
2640 eval "set -- $ac_configure_args"
2643 if test X"$skip_next" = X"yes"; then
2647 if test X"$keep_next" = X"yes"; then
2650 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2652 baseargs="$baseargs '$ac_arg'"
2653 tbaseargs="$tbaseargs '$ac_arg'"
2658 # Handle separated arguments. Based on the logic generated by
2661 *=* | --config-cache | -C | -disable-* | --disable-* \
2662 | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \
2663 | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \
2664 | -with-* | --with-* | -without-* | --without-* | --x)
2678 --with-* | --without-*)
2679 libopt=`echo "$ac_arg" | sed -e 's,^--[^-_]*[-_],,' -e 's,=.*$,,'`
2683 lib=`echo "$libopt" | sed 's,[-_]include$,,'`
2686 lib=`echo "$libopt" | sed 's,[-_]lib$,,'`
2695 mpc | mpfr | gmp | ppl | cloog)
2696 # If we're processing --with-$lib, --with-$lib-include or
2697 # --with-$lib-lib, for one of the libs above, and target is
2698 # different from host, don't pass the current argument to any
2699 # target library's configure.
2700 if test x$is_cross_compiler = xyes; then
2709 --cache-file=/dev/null | \
2710 -cache-file=/dev/null )
2711 # Handled here to avoid the test to skip args below.
2712 baseargs="$baseargs '$ac_arg'"
2713 tbaseargs="$tbaseargs '$ac_arg'"
2714 # Assert: $separate_arg should always be no.
2715 keep_next=$separate_arg
2731 -program-prefix* | \
2732 -program-suffix* | \
2733 -program-transform-name* )
2734 skip_next=$separate_arg
2738 # An option. Add it.
2741 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2743 baseargs="$baseargs '$ac_arg'"
2744 if test X"$skip_targ" = Xno; then
2745 tbaseargs="$tbaseargs '$ac_arg'"
2747 keep_next=$separate_arg
2750 # Either a variable assignment, or a nonopt (triplet). Don't
2751 # pass it down; let the Makefile handle this.
2756 # Remove the initial space we just introduced and, as these will be
2757 # expanded by make, quote '$'.
2758 baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
2760 # Add in --program-transform-name, after --program-prefix and
2761 # --program-suffix have been applied to it. Autoconf has already
2762 # doubled dollar signs and backslashes in program_transform_name; we want
2763 # the backslashes un-doubled, and then the entire thing wrapped in single
2764 # quotes, because this will be expanded first by make and then by the shell.
2765 # Also, because we want to override the logic in subdir configure scripts to
2766 # choose program_transform_name, replace any s,x,x, with s,y,y,.
2767 sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
2768 ${program_transform_name}
2770 gcc_transform_name=`cat conftestsed.out`
2771 rm -f conftestsed.out
2772 baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
2773 tbaseargs="$tbaseargs --program-transform-name='${gcc_transform_name}'"
2774 if test "$silent" = yes; then
2775 baseargs="$baseargs --silent"
2776 tbaseargs="$tbaseargs --silent"
2778 baseargs="$baseargs --disable-option-checking"
2779 tbaseargs="$tbaseargs --disable-option-checking"
2781 # Record and document user additions to sub configure arguments.
2782 AC_ARG_VAR([build_configargs],
2783 [additional configure arguments for build directories])
2784 AC_ARG_VAR([host_configargs],
2785 [additional configure arguments for host directories])
2786 AC_ARG_VAR([target_configargs],
2787 [additional configure arguments for target directories])
2789 # For the build-side libraries, we just need to pretend we're native,
2790 # and not use the same cache file. Multilibs are neither needed nor
2792 build_configargs="$build_configargs --cache-file=../config.cache ${baseargs}"
2794 # For host modules, accept cache file option, or specification as blank.
2795 case "${cache_file}" in
2797 cache_file_option="" ;;
2798 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
2799 cache_file_option="--cache-file=${cache_file}" ;;
2801 cache_file_option="--cache-file=../${cache_file}" ;;
2804 # Host dirs don't like to share a cache file either, horribly enough.
2805 # This seems to be due to autoconf 2.5x stupidity.
2806 host_configargs="$host_configargs --cache-file=./config.cache ${extra_host_args} ${baseargs}"
2808 target_configargs="$target_configargs ${tbaseargs}"
2810 # Passing a --with-cross-host argument lets the target libraries know
2811 # whether they are being built with a cross-compiler or being built
2812 # native. However, it would be better to use other mechanisms to make the
2813 # sorts of decisions they want to make on this basis. Please consider
2814 # this option to be deprecated. FIXME.
2815 if test x${is_cross_compiler} = xyes ; then
2816 target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}"
2819 # Default to --enable-multilib.
2820 if test x${enable_multilib} = x ; then
2821 target_configargs="--enable-multilib ${target_configargs}"
2824 # Pass --with-newlib if appropriate. Note that target_configdirs has
2825 # changed from the earlier setting of with_newlib.
2826 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
2827 target_configargs="--with-newlib ${target_configargs}"
2830 # Different target subdirs use different values of certain variables
2831 # (notably CXX). Worse, multilibs use *lots* of different values.
2832 # Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
2833 # it doesn't automatically accept command-line overrides of them.
2834 # This means it's not safe for target subdirs to share a cache file,
2835 # which is disgusting, but there you have it. Hopefully this can be
2836 # fixed in future. It's still worthwhile to use a cache file for each
2837 # directory. I think.
2839 # Pass the appropriate --build, --host, --target and --cache-file arguments.
2840 # We need to pass --target, as newer autoconf's requires consistency
2841 # for target_alias and gcc doesn't manage it consistently.
2842 target_configargs="--cache-file=./config.cache ${target_configargs}"
2845 case " $target_configdirs " in
2847 case " $target_configargs " in
2848 *" --with-newlib "*)
2851 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 $$s/winsup/w32api/include'
2855 # If we're not building GCC, don't discard standard headers.
2856 if test -d ${srcdir}/gcc; then
2857 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
2859 if test "${build}" != "${host}"; then
2860 # On Canadian crosses, CC_FOR_TARGET will have already been set
2861 # by `configure', so we won't have an opportunity to add -Bgcc/
2862 # to it. This is right: we don't want to search that directory
2863 # for binaries, but we want the header files in there, so add
2865 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include -isystem $$r/$(HOST_SUBDIR)/gcc/include-fixed'
2867 # Someone might think of using the pre-installed headers on
2868 # Canadian crosses, in case the installed compiler is not fully
2869 # compatible with the compiler being built. In this case, it
2870 # would be better to flag an error than risking having
2871 # incompatible object files being constructed. We can't
2872 # guarantee that an error will be flagged, but let's hope the
2873 # compiler will do it, when presented with incompatible header
2878 case "${target}-${is_cross_compiler}" in
2879 i[[3456789]]86-*-linux*-no)
2880 # Here host == target, so we don't need to build gcc,
2881 # so we don't want to discard standard headers.
2882 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
2885 # If we're building newlib, use its generic headers last, but search
2886 # for any libc-related directories first (so make it the last -B
2888 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
2890 # If we're building libgloss, find the startup file, simulator library
2891 # and linker script.
2892 case " $target_configdirs " in
2894 # Look for startup file, simulator library and maybe linker script.
2895 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/'"$libgloss_dir"
2896 # Look for libnosys.a in case the target needs it.
2897 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys'
2898 # Most targets have the linker script in the source directory.
2899 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$s/libgloss/'"$libgloss_dir"
2910 x86_64-*mingw* | *-w64-mingw*)
2911 # MinGW-w64 does not use newlib, nor does it use winsup. It may,
2912 # however, use a symlink named 'mingw' in ${prefix} .
2913 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L${prefix}/${target}/lib -L${prefix}/mingw/lib -isystem ${prefix}/${target}/include -isystem ${prefix}/mingw/include'
2916 # MinGW can't be handled as Cygwin above since it does not use newlib.
2917 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/mingw -L$$r/$(TARGET_SUBDIR)/winsup/w32api/lib -isystem $$s/winsup/mingw/include -isystem $$s/winsup/w32api/include'
2921 # Allow the user to override the flags for
2922 # our build compiler if desired.
2923 if test x"${build}" = x"${host}" ; then
2924 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
2925 CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}}
2926 LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}}
2929 # On Canadian crosses, we'll be searching the right directories for
2930 # the previously-installed cross compiler, so don't bother to add
2931 # flags for directories within the install tree of the compiler
2932 # being built; programs in there won't even run.
2933 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
2934 # Search for pre-installed headers if nothing else fits.
2935 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
2938 if test "x${use_gnu_ld}" = x &&
2939 echo " ${configdirs} " | grep " ld " > /dev/null ; then
2940 # Arrange for us to find uninstalled linker scripts.
2941 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld'
2944 # Search for other target-specific linker scripts and such.
2947 FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary"
2951 # Makefile fragments.
2952 for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
2954 eval fragval=\$$frag
2955 if test $fragval != /dev/null; then
2956 eval $frag=${srcdir}/$fragval
2959 AC_SUBST_FILE(host_makefile_frag)
2960 AC_SUBST_FILE(target_makefile_frag)
2961 AC_SUBST_FILE(alphaieee_frag)
2962 AC_SUBST_FILE(ospace_frag)
2964 # Miscellanea: directories, flags, etc.
2965 AC_SUBST(RPATH_ENVVAR)
2966 AC_SUBST(GCC_SHLIB_SUBDIR)
2968 AC_SUBST(build_tooldir)
2969 AC_SUBST(CONFIGURE_GDB_TK)
2971 AC_SUBST(INSTALL_GDB_TK)
2973 # Build module lists & subconfigure args.
2974 AC_SUBST(build_configargs)
2975 AC_SUBST(build_configdirs)
2977 # Host module lists & subconfigure args.
2978 AC_SUBST(host_configargs)
2979 AC_SUBST(configdirs)
2980 AC_SUBST(target_configdirs)
2982 # Target module lists & subconfigure args.
2983 AC_SUBST(target_configargs)
2987 AC_SUBST(AR_FOR_BUILD)
2988 AC_SUBST(AS_FOR_BUILD)
2989 AC_SUBST(CC_FOR_BUILD)
2990 AC_SUBST(CFLAGS_FOR_BUILD)
2991 AC_SUBST(CXXFLAGS_FOR_BUILD)
2992 AC_SUBST(CXX_FOR_BUILD)
2993 AC_SUBST(DLLTOOL_FOR_BUILD)
2994 AC_SUBST(GCJ_FOR_BUILD)
2995 AC_SUBST(GFORTRAN_FOR_BUILD)
2996 AC_SUBST(GOC_FOR_BUILD)
2997 AC_SUBST(LDFLAGS_FOR_BUILD)
2998 AC_SUBST(LD_FOR_BUILD)
2999 AC_SUBST(NM_FOR_BUILD)
3000 AC_SUBST(RANLIB_FOR_BUILD)
3001 AC_SUBST(WINDMC_FOR_BUILD)
3002 AC_SUBST(WINDRES_FOR_BUILD)
3003 AC_SUBST(config_shell)
3005 # Generate default definitions for YACC, M4, LEX and other programs that run
3006 # on the build machine. These are used if the Makefile can't locate these
3007 # programs in objdir.
3008 MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
3010 AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
3011 case " $build_configdirs " in
3012 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;;
3013 *" byacc "*) YACC='$$r/$(BUILD_SUBDIR)/byacc/byacc' ;;
3016 AC_CHECK_PROGS([BISON], [bison], [$MISSING bison])
3017 case " $build_configdirs " in
3018 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;;
3021 AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4])
3022 case " $build_configdirs " in
3023 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;;
3026 AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex])
3027 case " $build_configdirs " in
3028 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3029 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;;
3032 AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex])
3033 case " $build_configdirs " in
3034 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3037 AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo])
3038 case " $build_configdirs " in
3039 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;;
3042 # For an installed makeinfo, we require it to be from texinfo 4.7 or
3043 # higher, else we use the "missing" dummy.
3044 if ${MAKEINFO} --version \
3045 | egrep 'texinfo[^0-9]*(4\.([7-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then
3048 MAKEINFO="$MISSING makeinfo"
3054 # FIXME: expect and dejagnu may become build tools?
3056 AC_CHECK_PROGS(EXPECT, expect, expect)
3057 case " $configdirs " in
3059 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect'
3063 AC_CHECK_PROGS(RUNTEST, runtest, runtest)
3064 case " $configdirs " in
3066 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest'
3072 NCN_STRICT_CHECK_TOOLS(AR, ar)
3073 NCN_STRICT_CHECK_TOOLS(AS, as)
3074 NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool)
3075 NCN_STRICT_CHECK_TOOLS(LD, ld)
3076 NCN_STRICT_CHECK_TOOLS(LIPO, lipo)
3077 NCN_STRICT_CHECK_TOOLS(NM, nm)
3078 NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, true)
3079 NCN_STRICT_CHECK_TOOLS(STRIP, strip, true)
3080 NCN_STRICT_CHECK_TOOLS(WINDRES, windres)
3081 NCN_STRICT_CHECK_TOOLS(WINDMC, windmc)
3082 NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy)
3083 NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump)
3090 AC_ARG_WITH([build-time-tools],
3091 [AS_HELP_STRING([--with-build-time-tools=PATH],
3092 [use given path to find target tools during the build])],
3093 [case x"$withval" in
3096 with_build_time_tools=
3097 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path])
3100 [with_build_time_tools=])
3102 NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc)
3103 NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx)
3104 NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET})
3105 NCN_STRICT_CHECK_TARGET_TOOLS(GCJ_FOR_TARGET, gcj)
3106 NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran)
3107 NCN_STRICT_CHECK_TARGET_TOOLS(GOC_FOR_TARGET, gccgo)
3109 ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar)
3110 ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as)
3111 ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
3112 ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld)
3113 ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo)
3114 ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm)
3115 ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump)
3116 ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib)
3117 ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip)
3118 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
3119 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc)
3121 RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET"
3123 GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar])
3124 GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new])
3125 GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3126 dnl see comments for CXX_FOR_TARGET_FLAG_TO_PASS
3127 GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX,
3128 [gcc/g++ -B$$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],
3130 GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX,
3131 [gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs],
3133 GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool])
3134 GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3135 GCC_TARGET_TOOL(gcj, GCJ_FOR_TARGET, GCJ,
3136 [gcc/gcj -B$$r/$(HOST_SUBDIR)/gcc/], java)
3137 GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN,
3138 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran)
3139 GCC_TARGET_TOOL(gccgo, GOC_FOR_TARGET, GOC,
3140 [gcc/gccgo -B$$r/$(HOST_SUBDIR)/gcc/], go)
3141 GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new])
3142 GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO)
3143 GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new])
3144 GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump])
3145 GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib])
3146 GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip-new])
3147 GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres])
3148 GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc])
3150 AC_SUBST(FLAGS_FOR_TARGET)
3151 AC_SUBST(RAW_CXX_FOR_TARGET)
3153 # Certain tools may need extra flags.
3154 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
3155 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
3156 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
3158 # When building target libraries, except in a Canadian cross, we use
3159 # the same toolchain as the compiler we just built.
3160 COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)'
3161 COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)'
3162 COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)'
3163 if test $host = $build; then
3164 case " $configdirs " in
3166 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as'
3167 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld'
3168 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target}
3173 AC_SUBST(COMPILER_AS_FOR_TARGET)
3174 AC_SUBST(COMPILER_LD_FOR_TARGET)
3175 AC_SUBST(COMPILER_NM_FOR_TARGET)
3177 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
3178 AC_ARG_ENABLE(maintainer-mode,
3179 [AS_HELP_STRING([--enable-maintainer-mode],
3180 [enable make rules and dependencies not useful
3181 (and sometimes confusing) to the casual installer])],
3182 USE_MAINTAINER_MODE=$enableval,
3183 USE_MAINTAINER_MODE=no)
3184 AC_MSG_RESULT($USE_MAINTAINER_MODE)
3185 AC_SUBST(MAINTAINER_MODE_TRUE)
3186 AC_SUBST(MAINTAINER_MODE_FALSE)
3187 if test "$USE_MAINTAINER_MODE" = yes; then
3188 MAINTAINER_MODE_TRUE=
3189 MAINTAINER_MODE_FALSE='#'
3191 MAINTAINER_MODE_TRUE='#'
3192 MAINTAINER_MODE_FALSE=
3194 MAINT=$MAINTAINER_MODE_TRUE
3197 # ---------------------
3198 # GCC bootstrap support
3199 # ---------------------
3201 # Stage specific cflags for build.
3206 yes) stage1_cflags="-g -Wa,-J" ;;
3207 *) stage1_cflags="-g -J" ;;
3211 # This is aimed to mimic bootstrap with a non-GCC compiler to catch problems.
3212 if test "$GCC" = yes -a "$ENABLE_BUILD_WITH_CXX" != yes; then
3213 saved_CFLAGS="$CFLAGS"
3215 # Pass -fkeep-inline-functions for stage 1 if the GCC version supports it.
3216 CFLAGS="$CFLAGS -fkeep-inline-functions"
3217 AC_MSG_CHECKING([whether -fkeep-inline-functions is supported])
3219 #if (__GNUC__ < 3) \
3220 || (__GNUC__ == 3 && (__GNUC_MINOR__ < 3 \
3221 || (__GNUC_MINOR__ == 3 && __GNUC_PATCHLEVEL__ < 1)))
3222 #error http://gcc.gnu.org/PR29382
3225 [AC_MSG_RESULT([yes]); stage1_cflags="$stage1_cflags -fkeep-inline-functions"],
3226 [AC_MSG_RESULT([no])])
3228 CFLAGS="$saved_CFLAGS"
3231 AC_SUBST(stage1_cflags)
3233 # Enable --enable-checking in stage1 of the compiler.
3234 AC_ARG_ENABLE(stage1-checking,
3235 [AS_HELP_STRING([[--enable-stage1-checking[=all]]],
3236 [choose additional checking for stage1 of the compiler])],
3237 [stage1_checking=--enable-checking=${enable_stage1_checking}],
3238 [if test "x$enable_checking" = xno || test "x$enable_checking" = x; then
3239 stage1_checking=--enable-checking=yes,types
3241 stage1_checking=--enable-checking=$enable_checking,types
3243 AC_SUBST(stage1_checking)
3245 # Enable -Werror in bootstrap stage2 and later.
3246 AC_ARG_ENABLE(werror,
3247 [AS_HELP_STRING([--enable-werror],
3248 [enable -Werror in bootstrap stage2 and later])], [],
3249 [if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then
3254 case ${enable_werror} in
3255 yes) stage2_werror_flag="--enable-werror-always" ;;
3256 *) stage2_werror_flag="" ;;
3258 AC_SUBST(stage2_werror_flag)
3260 # Specify what files to not compare during bootstrap.
3262 compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*"
3264 hppa*64*-*-hpux*) ;;
3265 hppa*-*-hpux*) compare_exclusions="gcc/cc*-checksum\$(objext) | */libgcc/lib2funcs* | gcc/ada/*tools/*" ;;
3267 case " $configdirs " in
3268 *" ppl "*) compare_exclusions="$compare_exclusions | ppl/src/ppl-config.o" ;;
3270 AC_SUBST(compare_exclusions)
3272 AC_CONFIG_FILES([Makefile],
3273 [sed "$extrasub_build" Makefile |
3274 sed "$extrasub_host" |
3275 sed "$extrasub_target" > mf$$
3276 mv -f mf$$ Makefile],
3277 [extrasub_build="$extrasub_build"
3278 extrasub_host="$extrasub_host"
3279 extrasub_target="$extrasub_target"])