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 \
207 # these tools are built using the target libraries, and are intended to
208 # run only in the target environment
210 # note: any program that *uses* libraries that are in the "target_libraries"
211 # list belongs in this list.
213 target_tools="target-examples target-gperf target-rda"
215 ################################################################################
217 ## All tools belong in one of the four categories, and are assigned above
218 ## We assign ${configdirs} this way to remove all embedded newlines. This
219 ## is important because configure will choke if they ever get through.
220 ## ${configdirs} is directories we build using the host tools.
221 ## ${target_configdirs} is directories we build using the target tools.
222 configdirs=`echo ${host_libs} ${host_tools}`
223 target_configdirs=`echo ${target_libraries} ${target_tools}`
224 build_configdirs=`echo ${build_libs} ${build_tools}`
226 m4_divert_text([PARSE_ARGS],
229 m4_pushdef([AS_MESSAGE_LOG_FD], [])dnl
230 AC_MSG_ERROR([path to source, $srcdir, contains spaces])
231 m4_popdef([AS_MESSAGE_LOG_FD])dnl
234 ac_subdirs_all=`cd $srcdir && echo */configure | sed 's,/configure,,g'`
237 ################################################################################
239 srcname="gnu development package"
241 # This gets set non-empty for some net releases of packages.
244 # Define is_cross_compiler to save on calls to 'test'.
246 if test x"${host}" = x"${target}" ; then
249 is_cross_compiler=yes
252 # Find the build and target subdir names.
254 # Be sure to cover against remnants of an in-tree build.
255 if test $srcdir != . && test -d $srcdir/host-${host_noncanonical}; then
256 AC_MSG_ERROR([building out of tree but $srcdir contains host-${host_noncanonical}.
257 Use a pristine source tree when building in a separate tree])
260 # Skipdirs are removed silently.
262 # Noconfigdirs are removed loudly.
266 # Make sure we don't let GNU ld be added if we didn't want it.
267 if test x$with_gnu_ld = xno ; then
269 noconfigdirs="$noconfigdirs ld gold"
273 # Make sure we don't let GNU as be added if we didn't want it.
274 if test x$with_gnu_as = xno ; then
276 noconfigdirs="$noconfigdirs gas"
280 # Make sure we don't let ZLIB be added if we didn't want it.
281 if test x$with_system_zlib = xyes ; then
283 noconfigdirs="$noconfigdirs zlib"
286 # some tools are so dependent upon X11 that if we're not building with X,
287 # it's not even worth trying to configure, much less build, that tool.
290 yes | "") ;; # the default value for this tree is that X11 is available
292 skipdirs="${skipdirs} tk itcl libgui"
293 # We won't be able to build gdbtk without X.
296 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
299 # Some are only suitable for cross toolchains.
300 # Remove these if host=target.
301 cross_only="target-libgloss target-newlib target-opcodes"
303 case $is_cross_compiler in
304 no) skipdirs="${skipdirs} ${cross_only}" ;;
307 # If both --with-headers and --with-libs are specified, default to
309 if test x"${with_headers}" != x && test x"${with_headers}" != xno \
310 && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
311 if test x"${with_newlib}" = x ; then
316 # Recognize --with-newlib/--without-newlib.
317 case ${with_newlib} in
318 no) skipdirs="${skipdirs} target-newlib" ;;
319 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
322 # Handle --enable-gold, --enable-ld.
323 # --disable-gold [--enable-ld]
324 # Build only ld. Default option.
325 # --enable-gold [--enable-ld]
326 # Build both gold and ld. Install gold as "ld.gold", install ld
327 # as "ld.bfd" and "ld".
328 # --enable-gold=default [--enable-ld]
329 # Build both gold and ld. Install gold as "ld.gold" and "ld",
330 # install ld as "ld.bfd".
331 # --enable-gold[=default] --disable-ld
332 # Build only gold, which is then installed as both "ld.gold" and "ld".
333 # --enable-gold --enable-ld=default
334 # Build both gold (installed as "ld.gold") and ld (installed as "ld"
336 # In other words, ld is default
337 # --enable-gold=default --enable-ld=default
342 [AS_HELP_STRING([[--enable-gold[=ARG]]],
343 [build gold @<:@ARG={default,yes,no}@:>@])],
344 ENABLE_GOLD=$enableval,
346 case "${ENABLE_GOLD}" in
348 # Check for ELF target.
351 *-*-elf* | *-*-sysv4* | *-*-unixware* | *-*-eabi* | hppa*64*-*-hpux* \
352 | *-*-linux* | frv-*-uclinux* | *-*-irix5* | *-*-irix6* \
353 | *-*-netbsd* | *-*-openbsd* | *-*-freebsd* | *-*-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 libffi"
428 noconfigdirs="$noconfigdirs newlib"
430 i[[3456789]]86-*-mingw32*)
431 noconfigdirs="$noconfigdirs newlib"
436 AC_ARG_ENABLE(libquadmath,
437 AS_HELP_STRING([--disable-libquadmath],
438 [do not build libquadmath directory]),
439 ENABLE_LIBQUADMATH=$enableval,
440 ENABLE_LIBQUADMATH=yes)
441 if test "${ENABLE_LIBQUADMATH}" = "no" ; then
442 noconfigdirs="$noconfigdirs target-libquadmath"
446 AC_ARG_ENABLE(libquadmath-support,
447 AS_HELP_STRING([--disable-libquadmath-support],
448 [disable libquadmath support for Fortran]),
449 ENABLE_LIBQUADMATH_SUPPORT=$enableval,
450 ENABLE_LIBQUADMATH_SUPPORT=yes)
451 enable_libquadmath_support=
452 if test "${ENABLE_LIBQUADMATH_SUPPORT}" = "no" ; then
453 enable_libquadmath_support=no
457 AC_ARG_ENABLE(libada,
458 [AS_HELP_STRING([--enable-libada], [build libada directory])],
459 ENABLE_LIBADA=$enableval,
461 if test "${ENABLE_LIBADA}" != "yes" ; then
462 noconfigdirs="$noconfigdirs gnattools"
465 AC_ARG_ENABLE(libssp,
466 [AS_HELP_STRING([--enable-libssp], [build libssp directory])],
467 ENABLE_LIBSSP=$enableval,
470 # Save it here so that, even in case of --enable-libgcj, if the Java
471 # front-end isn't enabled, we still get libgcj disabled.
473 case $enable_libgcj in
475 # If we reset it here, it won't get added to noconfigdirs in the
476 # target-specific build rules, so it will be forcibly enabled
477 # (unless the Java language itself isn't enabled).
481 # Make sure we get it printed in the list of not supported target libs.
482 # Don't disable libffi, though, other languages use it.
483 noconfigdirs="$noconfigdirs `echo ${libgcj} | sed -e 's/target-libffi//'`"
484 # Clear libgcj_saved so that even if java is enabled libffi won't be
491 # Disable libmudflap on some systems.
492 if test x$enable_libmudflap = x ; then
494 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | bfin*-*-uclinux* | *-*-kopensolaris*-gnu)
495 # Enable libmudflap by default in GNU and friends.
498 # Enable libmudflap by default in FreeBSD.
501 # Disable it by default everywhere else.
502 noconfigdirs="$noconfigdirs target-libmudflap"
507 # Disable libgomp on non POSIX hosted systems.
508 if test x$enable_libgomp = x ; then
509 # Enable libgomp by default on hosted POSIX systems.
511 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
513 *-*-netbsd* | *-*-freebsd* | *-*-openbsd*)
515 *-*-solaris2* | *-*-sysv4* | *-*-irix6* | *-*-osf* | *-*-hpux11*)
517 *-*-darwin* | *-*-aix*)
520 noconfigdirs="$noconfigdirs target-libgomp"
525 # Default libgloss CPU subdirectory.
526 libgloss_dir="$target_cpu"
530 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
533 noconfigdirs="$noconfigdirs ld gas gdb gprof"
534 noconfigdirs="$noconfigdirs sim target-rda"
536 i[[3456789]]86-*-darwin*)
537 noconfigdirs="$noconfigdirs ld gprof"
538 noconfigdirs="$noconfigdirs sim target-rda"
540 x86_64-*-darwin[[912]]*)
541 noconfigdirs="$noconfigdirs ld gas gprof"
542 noconfigdirs="$noconfigdirs sim target-rda"
545 noconfigdirs="$noconfigdirs ld gas gdb gprof"
546 noconfigdirs="$noconfigdirs sim target-rda"
547 noconfigdirs="$noconfigdirs ${libgcj}"
549 *-*-freebsd[[12]] | *-*-freebsd[[12]].* | *-*-freebsd*aout*)
550 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
553 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
554 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
555 && test -f /usr/local/include/gmp.h; then
559 # Skip some stuff that's unsupported on some FreeBSD configurations.
565 noconfigdirs="$noconfigdirs ${libgcj}"
570 # Remove unsupported stuff on all kaOS configurations.
571 skipdirs="target-libiberty ${libgcj} target-libstdc++-v3"
572 skipdirs="$skipdirs target-libobjc"
573 skipdirs="$skipdirs zlib fastjar target-libjava target-boehm-gc target-zlib"
574 noconfigdirs="$noconfigdirs target-libgloss"
577 # Skip some stuff on all NetBSD configurations.
578 noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss"
580 # Skip some stuff that's unsupported on some NetBSD configurations.
582 i*86-*-netbsdelf*) ;;
583 arm*-*-netbsdelf*) ;;
585 noconfigdirs="$noconfigdirs ${libgcj}"
590 noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss ${libgcj}"
593 skipdirs="${skipdirs} target-libiberty"
594 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
596 # The tpf target doesn't support gdb yet.
598 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libiberty ${libgcj} gdb tcl tk libgui itcl"
601 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-rda ${libgcj}"
604 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libiberty target-libstdc++-v3 ${libgcj}"
607 # ld works, but does not support shared libraries.
608 # newlib is not 64 bit ready.
609 # gas doesn't generate exception information.
610 noconfigdirs="$noconfigdirs gas ld target-newlib target-libgloss"
613 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
616 # newlib is not 64 bit ready
617 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
620 # newlib is not 64 bit ready
621 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
624 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
627 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
629 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
630 noconfigdirs="$noconfigdirs ${libgcj}"
631 noconfigdirs="$noconfigdirs target-libiberty"
632 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
633 # the C++ libraries don't build on top of CE's C libraries
634 noconfigdirs="$noconfigdirs target-libstdc++-v3"
635 noconfigdirs="$noconfigdirs target-newlib"
639 noconfigdirs="$noconfigdirs target-libgloss"
642 noconfigdirs="$noconfigdirs ${libgcj}"
645 arm-*-elf* | arm*-*-eabi* )
646 noconfigdirs="$noconfigdirs target-libffi"
649 arm*-*-linux-gnueabi)
650 noconfigdirs="$noconfigdirs"
651 case ${with_newlib} in
652 no) noconfigdirs="$noconfigdirs target-newlib target-libgloss"
657 noconfigdirs="$noconfigdirs ${libgcj} target-libiberty"
661 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
664 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
667 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj} target-libssp"
670 unsupported_languages="$unsupported_languages java"
671 noconfigdirs="$noconfigdirs target-boehm-gc"
672 if test x${is_cross_compiler} != xno ; then
673 target_configdirs="${target_configdirs} target-bsp target-cygmon"
677 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
679 c54x*-*-* | tic54x-*-*)
680 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj} gcc gdb newlib"
683 noconfigdirs="$noconfigdirs ${libgcj} gdb"
685 cris-*-* | crisv32-*-*)
686 unsupported_languages="$unsupported_languages java"
689 unsupported_languages="$unsupported_languages fortran"
690 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";;
691 *-*-elf) # See PR46792 regarding target-libffi.
692 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";;
694 noconfigdirs="$noconfigdirs target-newlib target-libgloss";;
696 unsupported_languages="$unsupported_languages fortran"
697 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss";;
702 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
705 noconfigdirs="$noconfigdirs ${libgcj} gdb"
708 noconfigdirs="$noconfigdirs ${libgcj} gdb"
711 noconfigdirs="$noconfigdirs ${libgcj}"
714 noconfigdirs="$noconfigdirs ${libgcj}"
715 noconfigdirs="$noconfigdirs gprof"
718 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
721 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
723 hppa1.1-*-osf* | hppa1.1-*-bsd* )
726 # In this case, it's because the hppa64-linux target is for
727 # the kernel only at this point and has no libc, and thus no
728 # headers, crt*.o, etc., all of which are needed by these.
729 noconfigdirs="$noconfigdirs target-zlib"
737 noconfigdirs="$noconfigdirs ${libgcj}"
740 noconfigdirs="$noconfigdirs ld"
746 # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
747 # build on HP-UX 10.20.
748 noconfigdirs="$noconfigdirs ld ${libgcj}"
751 noconfigdirs="$noconfigdirs ${libgcj} gdb"
754 # No gdb support yet.
755 noconfigdirs="$noconfigdirs readline libgui itcl gdb"
759 noconfigdirs="$noconfigdirs ${libgcj} libgui itcl ld"
762 # No gdb or ld support yet.
763 noconfigdirs="$noconfigdirs ${libgcj} readline libgui itcl gdb ld"
765 i[[3456789]]86-*-coff | i[[3456789]]86-*-elf)
766 noconfigdirs="$noconfigdirs ${libgcj}"
769 i[[3456789]]86-*-linux*)
770 # The GCC port for glibc1 has no MD_FALLBACK_FRAME_STATE_FOR, so let's
771 # not build java stuff by default.
774 noconfigdirs="$noconfigdirs ${libgcj}";;
777 # This section makes it possible to build newlib natively on linux.
778 # If we are using a cross compiler then don't configure newlib.
779 if test x${is_cross_compiler} != xno ; then
780 noconfigdirs="$noconfigdirs target-newlib"
782 noconfigdirs="$noconfigdirs target-libgloss"
783 # If we are not using a cross compiler, do configure newlib.
784 # Note however, that newlib will only be configured in this situation
785 # if the --with-newlib option has been given, because otherwise
786 # 'target-newlib' will appear in skipdirs.
788 i[[3456789]]86-w64-mingw*)
789 noconfigdirs="$noconfigdirs target-libgloss target-newlib ${libgcj}"
791 i[[3456789]]86-*-mingw*)
792 target_configdirs="$target_configdirs target-winsup"
793 noconfigdirs="$noconfigdirs target-libgloss target-newlib ${libgcj}"
796 noconfigdirs="$noconfigdirs target-libgloss target-newlib ${libgcj}"
799 target_configdirs="$target_configdirs target-libtermcap target-winsup"
800 noconfigdirs="$noconfigdirs target-libgloss"
801 # always build newlib if winsup directory is present.
802 if test -d "$srcdir/winsup/cygwin"; then
803 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
804 elif test -d "$srcdir/newlib"; then
805 echo "Warning: winsup/cygwin is missing so newlib can't be built."
808 i[[3456789]]86-*-interix* )
811 noconfigdirs="$noconfigdirs target-libgloss"
813 i[[3456789]]86-*-sco3.2v5*)
814 # The linker does not yet know about weak symbols in COFF,
815 # and is not configured to handle mixed ELF and COFF.
816 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
818 i[[3456789]]86-*-sco*)
819 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
821 i[[3456789]]86-*-solaris2*)
822 noconfigdirs="$noconfigdirs target-libgloss"
824 i[[3456789]]86-*-sysv4*)
825 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
827 i[[3456789]]86-*-beos*)
828 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
830 i[[3456789]]86-*-rdos*)
831 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
834 noconfigdirs="$noconfigdirs ${libgcj}"
836 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
837 noconfigdirs="$noconfigdirs target-libiberty"
841 noconfigdirs="$noconfigdirs ${libgcj}"
844 noconfigdirs="$noconfigdirs ${libgcj}"
850 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc gdb libgloss"
851 unsupported_languages="$unsupported_languages fortran java"
854 noconfigdirs="$noconfigdirs ${libgcj}"
857 noconfigdirs="$noconfigdirs ${libgcj}"
860 noconfigdirs="$noconfigdirs sim"
863 noconfigdirs="$noconfigdirs target-libiberty"
866 # copied from rs6000-*-* entry
867 noconfigdirs="$noconfigdirs gprof target-libgloss target-libssp target-newlib ${libgcj}"
869 powerpc*-*-winnt* | powerpc*-*-pe*)
870 target_configdirs="$target_configdirs target-winsup"
871 noconfigdirs="$noconfigdirs gdb tcl tk target-libgloss itcl ${libgcj}"
872 # always build newlib.
873 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
875 # This is temporary until we can link against shared libraries
876 powerpcle-*-solaris*)
877 noconfigdirs="$noconfigdirs gdb sim tcl tk itcl ${libgcj}"
881 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
884 noconfigdirs="$noconfigdirs ${libgcj}"
887 powerpc-*-eabi* | powerpcle-*-eabi* | powerpc-*-rtems* )
891 noconfigdirs="$noconfigdirs target-newlib gprof ${libgcj}"
894 noconfigdirs="$noconfigdirs gprof target-libgloss target-libssp target-newlib ${libgcj}"
897 noconfigdirs="$noconfigdirs gprof ${libgcj}"
900 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss ${libgcj}"
903 noconfigdirs="$noconfigdirs gprof target-libssp ${libgcj}"
906 skipdirs="$skipdirs target-libiberty"
907 noconfigdirs="$noconfigdirs ${libgcj}"
908 if test x$with_newlib = xyes; then
909 noconfigdirs="$noconfigdirs gprof"
914 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
917 # Linking libjava exceeds command-line length limits on at least
918 # IRIX 6.2, but not on IRIX 6.5.
919 # Also, boehm-gc won't build on IRIX 6.5, according to Jeffrey Oldham
920 # <oldham@codesourcery.com>
921 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
924 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
927 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
930 noconfigdirs="$noconfigdirs gprof ${libgcj}"
934 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes target-libgloss ${libgcj}"
939 noconfigdirs="$noconfigdirs ${libgcj}" ;;
941 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}" ;;
944 sparclet-*-aout* | sparc86x-*-*)
948 noconfigdirs="$noconfigdirs ${libgcj}"
951 noconfigdirs="$noconfigdirs ${libgcj}"
955 noconfigdirs="$noconfigdirs ${libgcj}"
959 noconfigdirs="$noconfigdirs ${libgcj}"
960 if test x${is_cross_compiler} != xno ; then
961 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
966 sparc-*-solaris2.[[0-6]] | sparc-*-solaris2.[[0-6]].*)
967 noconfigdirs="$noconfigdirs ${libgcj}"
969 sparc-*-solaris* | sparc64-*-solaris* | sparcv9-*-solaris*)
972 noconfigdirs="$noconfigdirs gdb sim ${libgcj}"
975 noconfigdirs="$noconfigdirs bfd binutils gas gcc gdb ld target-libstdc++-v3 opcodes target-libgloss ${libgcj}"
978 noconfigdirs="$noconfigdirs ${libgcj}"
981 noconfigdirs="$noconfigdirs bfd binutils gdb ld target-newlib opcodes target-libgloss ${libgcj}"
984 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
987 noconfigdirs="$noconfigdirs ${libgcj}"
990 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
992 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
993 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
996 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
999 noconfigdirs="$noconfigdirs ${libgcj}"
1003 # If we aren't building newlib, then don't build libgloss, since libgloss
1004 # depends upon some newlib header files.
1005 case "${noconfigdirs}" in
1006 *target-libgloss*) ;;
1007 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
1010 # Work in distributions that contain no compiler tools, like Autoconf.
1011 host_makefile_frag=/dev/null
1012 if test -d ${srcdir}/config ; then
1014 i[[3456789]]86-*-msdosdjgpp*)
1015 host_makefile_frag="config/mh-djgpp"
1018 ACX_CHECK_CYGWIN_CAT_WORKS
1019 host_makefile_frag="config/mh-cygwin"
1022 host_makefile_frag="config/mh-mingw"
1025 host_makefile_frag="config/mh-interix"
1028 host_makefile_frag="config/mh-pa-hpux10"
1031 host_makefile_frag="config/mh-pa"
1034 host_makefile_frag="config/mh-pa"
1037 host_makefile_frag="config/mh-darwin"
1040 host_makefile_frag="config/mh-ppc-aix"
1043 host_makefile_frag="config/mh-ppc-aix"
1048 if test "${build}" != "${host}" ; then
1049 AR_FOR_BUILD=${AR_FOR_BUILD-ar}
1050 AS_FOR_BUILD=${AS_FOR_BUILD-as}
1051 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
1052 CXX_FOR_BUILD=${CXX_FOR_BUILD-g++}
1053 GCJ_FOR_BUILD=${GCJ_FOR_BUILD-gcj}
1054 GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran}
1055 GOC_FOR_BUILD=${GOC_FOR_BUILD-gccgo}
1056 DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool}
1057 LD_FOR_BUILD=${LD_FOR_BUILD-ld}
1058 NM_FOR_BUILD=${NM_FOR_BUILD-nm}
1059 RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib}
1060 WINDRES_FOR_BUILD=${WINDRES_FOR_BUILD-windres}
1061 WINDMC_FOR_BUILD=${WINDMC_FOR_BUILD-windmc}
1063 AR_FOR_BUILD="\$(AR)"
1064 AS_FOR_BUILD="\$(AS)"
1065 CC_FOR_BUILD="\$(CC)"
1066 CXX_FOR_BUILD="\$(CXX)"
1067 GCJ_FOR_BUILD="\$(GCJ)"
1068 GFORTRAN_FOR_BUILD="\$(GFORTRAN)"
1069 GOC_FOR_BUILD="\$(GOC)"
1070 DLLTOOL_FOR_BUILD="\$(DLLTOOL)"
1071 LD_FOR_BUILD="\$(LD)"
1072 NM_FOR_BUILD="\$(NM)"
1073 RANLIB_FOR_BUILD="\$(RANLIB)"
1074 WINDRES_FOR_BUILD="\$(WINDRES)"
1075 WINDMC_FOR_BUILD="\$(WINDMC)"
1081 # We must set the default linker to the linker used by gcc for the correct
1082 # operation of libtool. If LD is not defined and we are using gcc, try to
1083 # set the LD default to the ld used by gcc.
1084 if test -z "$LD"; then
1085 if test "$GCC" = yes; then
1088 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1090 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1092 case $gcc_prog_ld in
1093 # Accept absolute paths.
1094 [[\\/]* | [A-Za-z]:[\\/]*)]
1095 LD="$gcc_prog_ld" ;;
1101 ACX_PROG_CMP_IGNORE_INITIAL
1103 # See if we are building gcc with C++.
1104 AC_ARG_ENABLE(build-with-cxx,
1105 [AS_HELP_STRING([--enable-build-with-cxx],
1106 [build with C++ compiler instead of C compiler])],
1107 ENABLE_BUILD_WITH_CXX=$enableval,
1108 ENABLE_BUILD_WITH_CXX=no)
1110 # Used for setting $lt_cv_objdir
1113 # Check for GMP, MPFR and MPC
1114 gmplibs="-lmpc -lmpfr -lgmp"
1118 # Specify a location for mpc
1119 # check for this first so it ends up on the link line before mpfr.
1121 [AS_HELP_STRING([--with-mpc=PATH],
1122 [specify prefix directory for installed MPC package.
1123 Equivalent to --with-mpc-include=PATH/include
1124 plus --with-mpc-lib=PATH/lib])])
1125 AC_ARG_WITH(mpc-include,
1126 [AS_HELP_STRING([--with-mpc-include=PATH],
1127 [specify directory for installed MPC include files])])
1128 AC_ARG_WITH(mpc-lib,
1129 [AS_HELP_STRING([--with-mpc-lib=PATH],
1130 [specify directory for the installed MPC library])])
1132 if test "x$with_mpc" != x; then
1133 gmplibs="-L$with_mpc/lib $gmplibs"
1134 gmpinc="-I$with_mpc/include $gmpinc"
1136 if test "x$with_mpc_include" != x; then
1137 gmpinc="-I$with_mpc_include $gmpinc"
1139 if test "x$with_mpc_lib" != x; then
1140 gmplibs="-L$with_mpc_lib $gmplibs"
1142 if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then
1143 gmplibs='-L$$r/$(HOST_SUBDIR)/mpc/src/'"$lt_cv_objdir $gmplibs"
1144 gmpinc='-I$$s/mpc/src '"$gmpinc"
1145 # Do not test the mpc version. Assume that it is sufficient, since
1146 # it is in the source tree, and the library has not been built yet
1147 # but it would be included on the link line in the version check below
1148 # hence making the test fail.
1152 # Specify a location for mpfr
1153 # check for this first so it ends up on the link line before gmp.
1154 AC_ARG_WITH(mpfr-dir,
1155 [AS_HELP_STRING([--with-mpfr-dir=PATH], [this option has been REMOVED])],
1156 [AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed.
1157 Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH])])
1160 [AS_HELP_STRING([--with-mpfr=PATH],
1161 [specify prefix directory for installed MPFR package.
1162 Equivalent to --with-mpfr-include=PATH/include
1163 plus --with-mpfr-lib=PATH/lib])])
1164 AC_ARG_WITH(mpfr-include,
1165 [AS_HELP_STRING([--with-mpfr-include=PATH],
1166 [specify directory for installed MPFR include files])])
1167 AC_ARG_WITH(mpfr-lib,
1168 [AS_HELP_STRING([--with-mpfr-lib=PATH],
1169 [specify directory for the installed MPFR library])])
1171 if test "x$with_mpfr" != x; then
1172 gmplibs="-L$with_mpfr/lib $gmplibs"
1173 gmpinc="-I$with_mpfr/include $gmpinc"
1175 if test "x$with_mpfr_include" != x; then
1176 gmpinc="-I$with_mpfr_include $gmpinc"
1178 if test "x$with_mpfr_lib" != x; then
1179 gmplibs="-L$with_mpfr_lib $gmplibs"
1181 if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then
1182 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir $gmplibs"
1183 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr -I$$s/mpfr '"$gmpinc"
1184 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir"
1185 # Do not test the mpfr version. Assume that it is sufficient, since
1186 # it is in the source tree, and the library has not been built yet
1187 # but it would be included on the link line in the version check below
1188 # hence making the test fail.
1192 # Specify a location for gmp
1193 AC_ARG_WITH(gmp-dir,
1194 [AS_HELP_STRING([--with-gmp-dir=PATH], [this option has been REMOVED])],
1195 [AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed.
1196 Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH])])
1199 [AS_HELP_STRING([--with-gmp=PATH],
1200 [specify prefix directory for the installed GMP package.
1201 Equivalent to --with-gmp-include=PATH/include
1202 plus --with-gmp-lib=PATH/lib])])
1203 AC_ARG_WITH(gmp-include,
1204 [AS_HELP_STRING([--with-gmp-include=PATH],
1205 [specify directory for installed GMP include files])])
1206 AC_ARG_WITH(gmp-lib,
1207 [AS_HELP_STRING([--with-gmp-lib=PATH],
1208 [specify directory for the installed GMP library])])
1211 if test "x$with_gmp" != x; then
1212 gmplibs="-L$with_gmp/lib $gmplibs"
1213 gmpinc="-I$with_gmp/include $gmpinc"
1215 if test "x$with_gmp_include" != x; then
1216 gmpinc="-I$with_gmp_include $gmpinc"
1218 if test "x$with_gmp_lib" != x; then
1219 gmplibs="-L$with_gmp_lib $gmplibs"
1221 if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then
1222 gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir $gmplibs"
1223 gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc"
1224 extra_mpfr_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
1225 extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
1226 # Do not test the gmp version. Assume that it is sufficient, since
1227 # it is in the source tree, and the library has not been built yet
1228 # but it would be included on the link line in the version check below
1229 # hence making the test fail.
1233 if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then
1235 saved_CFLAGS="$CFLAGS"
1236 CFLAGS="$CFLAGS $gmpinc"
1237 # Check for the recommended and required versions of GMP.
1238 AC_MSG_CHECKING([for the correct version of gmp.h])
1239 AC_TRY_COMPILE([#include "gmp.h"],[
1240 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1241 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1242 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,0)
1245 ], [AC_TRY_COMPILE([#include <gmp.h>],[
1246 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1247 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1248 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,3,2)
1251 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1252 [AC_MSG_RESULT([no]); have_gmp=no])
1254 # If we have GMP, check the MPFR version.
1255 if test x"$have_gmp" = xyes; then
1256 # Check for the recommended and required versions of MPFR.
1257 AC_MSG_CHECKING([for the correct version of mpfr.h])
1258 AC_TRY_COMPILE([#include <gmp.h>
1259 #include <mpfr.h>],[
1260 #if MPFR_VERSION < MPFR_VERSION_NUM(2,3,1)
1263 ], [AC_TRY_COMPILE([#include <gmp.h>
1264 #include <mpfr.h>],[
1265 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,2)
1268 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1269 [AC_MSG_RESULT([no]); have_gmp=no])
1272 # Check for the MPC header version.
1273 if test x"$have_gmp" = xyes ; then
1274 # Check for the recommended and required versions of MPC.
1275 AC_MSG_CHECKING([for the correct version of mpc.h])
1276 AC_TRY_COMPILE([#include <mpc.h>],[
1277 #if MPC_VERSION < MPC_VERSION_NUM(0,8,0)
1280 ], [AC_TRY_COMPILE([#include <mpc.h>],[
1281 #if MPC_VERSION < MPC_VERSION_NUM(0,8,1)
1284 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1285 [AC_MSG_RESULT([no]); have_gmp=no])
1288 # Now check the MPFR library.
1289 if test x"$have_gmp" = xyes; then
1291 LIBS="$LIBS $gmplibs"
1292 AC_MSG_CHECKING([for the correct version of the gmp/mpfr/mpc libraries])
1293 AC_TRY_LINK([#include <mpc.h>],[
1300 mpfr_atan2 (n, n, x, GMP_RNDN);
1301 mpfr_erfc (n, x, GMP_RNDN);
1302 mpfr_subnormalize (x, t, GMP_RNDN);
1306 mpc_set_ui_ui (c, 1, 1, MPC_RNDNN);
1307 mpc_cosh (c, c, MPC_RNDNN);
1308 mpc_pow (c, c, c, MPC_RNDNN);
1309 mpc_acosh (c, c, MPC_RNDNN);
1311 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1315 CFLAGS="$saved_CFLAGS"
1317 # The library versions listed in the error message below should match
1318 # the HARD-minimums enforced above.
1319 if test x$have_gmp != xyes; then
1320 AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 2.3.1+ and MPC 0.8.0+.
1321 Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify
1322 their locations. Source code for these libraries can be found at
1323 their respective hosting sites as well as at
1324 ftp://gcc.gnu.org/pub/gcc/infrastructure/. See also
1325 http://gcc.gnu.org/install/prerequisites.html for additional info. If
1326 you obtained GMP, MPFR and/or MPC from a vendor distribution package,
1327 make sure that you have installed both the libraries and the header
1328 files. They may be located in separate packages.])
1332 # Flags needed for both GMP, MPFR and/or MPC.
1335 AC_SUBST(extra_mpfr_configure_flags)
1336 AC_SUBST(extra_mpc_gmp_configure_flags)
1337 AC_SUBST(extra_mpc_mpfr_configure_flags)
1339 # Allow host libstdc++ to be specified for static linking with PPL.
1340 AC_ARG_WITH(host-libstdcxx,
1341 [AS_HELP_STRING([--with-host-libstdcxx=L],
1342 [use linker arguments L to link with libstdc++
1343 when linking with PPL])])
1345 case $with_host_libstdcxx in
1347 AC_MSG_ERROR([-with-host-libstdcxx needs an argument])
1351 # Linker flags to use for stage1 or when not boostrapping.
1352 AC_ARG_WITH(stage1-ldflags,
1353 [AS_HELP_STRING([--with-stage1-ldflags=FLAGS], [linker flags for stage1])],
1354 [if test "$withval" = "no" -o "$withval" = "yes"; then
1357 stage1_ldflags=$withval
1360 AC_SUBST(stage1_ldflags)
1362 # Libraries to use for stage1 or when not bootstrapping.
1363 AC_ARG_WITH(stage1-libs,
1364 [AS_HELP_STRING([--with-stage1-libs=LIBS], [libraries for stage1])],
1365 [if test "$withval" = "no" -o "$withval" = "yes"; then
1368 stage1_libs=$withval
1370 [stage1_libs=$with_host_libstdcxx])
1371 AC_SUBST(stage1_libs)
1373 # Libraries to use for stage2 and later builds. This defaults to the
1374 # argument passed to --with-host-libstdcxx.
1375 AC_ARG_WITH(boot-libs,
1376 [AS_HELP_STRING([--with-boot-libs=LIBS], [libraries for stage2 and later])],
1377 [if test "$withval" = "no" -o "$withval" = "yes"; then
1380 poststage1_libs=$withval
1382 [poststage1_libs=$with_host_libstdcxx])
1383 AC_SUBST(poststage1_libs)
1385 # Linker flags to use for stage2 and later builds.
1386 AC_ARG_WITH(boot-ldflags,
1387 [AS_HELP_STRING([--with-boot-ldflags=FLAGS],
1388 [linker flags for stage2 and later])],
1389 [if test "$withval" = "no" -o "$withval" = "yes"; then
1392 poststage1_ldflags=$withval
1394 [poststage1_ldflags=
1395 # In stages 2 and 3, default to linking libstdc++ and libgcc
1396 # statically. But if the user explicitly specified the libraries to
1397 # use, trust that they are doing what they want.
1398 if test "$poststage1_libs" = ""; then
1399 poststage1_ldflags="-static-libstdc++ -static-libgcc"
1401 AC_SUBST(poststage1_ldflags)
1409 [AS_HELP_STRING([--with-ppl=PATH],
1410 [specify prefix directory for the installed PPL package.
1411 Equivalent to --with-ppl-include=PATH/include
1412 plus --with-ppl-lib=PATH/lib])])
1413 AC_ARG_WITH(ppl-include,
1414 [AS_HELP_STRING([--with-ppl-include=PATH],
1415 [specify directory for installed PPL include files])])
1416 AC_ARG_WITH(ppl-lib,
1417 [AS_HELP_STRING([--with-ppl-lib=PATH],
1418 [specify directory for the installed PPL library])])
1420 AC_ARG_ENABLE(ppl-version-check,
1421 [AS_HELP_STRING([--disable-ppl-version-check],
1422 [disable check for PPL version])])
1428 ppllibs="-L$with_ppl/lib"
1429 pplinc="-I$with_ppl/include $pplinc"
1430 if test -d "$with_ppl/lib" && test -d "$with_ppl/include"; then
1433 AC_MSG_ERROR([cannot find directories "$with_ppl/lib" or "$with_ppl/include"])
1438 if test x"$with_ppl_include" != x; then
1439 pplinc="-I$with_ppl_include $pplinc"
1443 if test "x$with_ppl_lib" != x; then
1444 ppllibs="-L$with_ppl_lib"
1448 if test x"$with_ppl$with_ppl_include$with_ppl_lib" = x && test -d ${srcdir}/ppl; then
1449 if test x"$enable_watchdog" = xyes; then
1452 ppllibs='-L$$r/$(HOST_SUBDIR)/ppl/interfaces/C/'"$lt_cv_objdir"' -L$$r/$(HOST_SUBDIR)/ppl/src/'"$lt_cv_objdir"
1453 pplinc='-I$$r/$(HOST_SUBDIR)/ppl/src -I$$r/$(HOST_SUBDIR)/ppl/interfaces/C '
1454 enable_ppl_version_check=no
1458 if test "x$with_ppl" != xno; then
1459 if test "x$pwllib" = x; then
1461 LIBS="$LIBS $ppllibs -lstdc++ -lm"
1462 AC_CHECK_LIB(pwl, PWL_handle_timeout, [pwllib="-lpwl"])
1466 ppllibs="$ppllibs -lppl_c -lppl $pwllib -lgmpxx"
1468 if test "$enable_ppl_version_check" != no; then
1469 saved_CFLAGS="$CFLAGS"
1470 CFLAGS="$CFLAGS $pplinc $gmpinc"
1471 AC_MSG_CHECKING([for version 0.11 (revision 0 or later) of PPL])
1472 AC_TRY_COMPILE([#include "ppl_c.h"],[
1473 #if PPL_VERSION_MAJOR != 0 || PPL_VERSION_MINOR < 11
1476 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); ppllibs= ; pplinc= ; with_ppl=no ])
1477 CFLAGS="$saved_CFLAGS"
1481 # Flags needed for PPL
1488 dnl Provide configure switches and initialize clooginc & clooglibs
1489 dnl with user input.
1491 if test "x$with_ppl" = "xno"; then
1492 dnl Only execute fail-action, if CLooG has been requested.
1493 CLOOG_REQUESTED([graphite_requested=yes], [graphite_requested=no])
1494 if test "${graphite_requested}" = yes; then
1495 AC_MSG_ERROR([Unable to find a usable PPL. See config.log for details.])
1499 if test "x${with_cloog}" = x && test "x${with_cloog_include}" = x \
1500 && test "x${with_cloog_lib}" = x && test -d ${srcdir}/cloog; then
1501 clooglibs='-L$$r/$(HOST_SUBDIR)/cloog/'"$lt_cv_objdir"' '
1502 clooginc='-I$$r/$(HOST_SUBDIR)/cloog/include -I$$s/cloog/include '
1504 if test "x$with_cloog" != "xno"; then
1505 dnl The minimal version of CLooG required for Graphite.
1507 dnl If we use CLooG-Legacy, the provided version information is
1509 CLOOG_CHECK_VERSION(0,16,1)
1511 dnl Only execute fail-action, if CLooG has been requested.
1513 AC_MSG_ERROR([Unable to find a usable CLooG. See config.log for details.])])
1516 # Check for LTO support.
1518 [AS_HELP_STRING([--enable-lto], [enable link time optimization support])],
1519 enable_lto=$enableval,
1520 enable_lto=yes; default_enable_lto=yes)
1522 ACX_ELF_TARGET_IFELSE([# ELF platforms build the lto-plugin always.
1523 build_lto_plugin=yes
1524 ],[if test x"$default_enable_lto" = x"yes" ; then
1526 *-apple-darwin9 | *-cygwin* | *-mingw*) ;;
1527 # On other non-ELF platforms, LTO has yet to be validated.
1531 # Apart from ELF platforms, only Windows and Darwin support LTO so far.
1532 # It would also be nice to check the binutils support, but we don't
1533 # have gcc_GAS_CHECK_FEATURE available here. For now, we'll just
1534 # warn during gcc/ subconfigure; unless you're bootstrapping with
1535 # -flto it won't be needed until after installation anyway.
1537 *-cygwin* | *-mingw* | *-apple-darwin*) ;;
1538 *) if test x"$enable_lto" = x"yes"; then
1539 AC_MSG_ERROR([LTO support is not enabled for this target.])
1544 # Among non-ELF, only Windows platforms support the lto-plugin so far.
1545 # Build it unless LTO was explicitly disabled.
1547 *-cygwin* | *-mingw*) build_lto_plugin=$enable_lto ;;
1553 # By default, C is the only stage 1 language.
1554 stage1_languages=,c,
1556 # Target libraries that we bootstrap.
1557 bootstrap_target_libs=,target-libgcc,
1559 # Figure out what language subdirectories are present.
1560 # Look if the user specified --enable-languages="..."; if not, use
1561 # the environment variable $LANGUAGES if defined. $LANGUAGES might
1563 # NB: embedded tabs in this IF block -- do not untabify
1564 if test -d ${srcdir}/gcc; then
1565 if test x"${enable_languages+set}" != xset; then
1566 if test x"${LANGUAGES+set}" = xset; then
1567 enable_languages="${LANGUAGES}"
1568 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1570 enable_languages=all
1573 if test x"${enable_languages}" = x ||
1574 test x"${enable_languages}" = xyes;
1576 echo configure.in: --enable-languages needs at least one language argument 1>&2
1580 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1582 # 'f95' is the old name for the 'fortran' language. We issue a warning
1583 # and make the substitution.
1584 case ,${enable_languages}, in
1586 echo configure.in: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2
1587 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'`
1591 # First scan to see if an enabled language requires some other language.
1592 # We assume that a given config-lang.in will list all the language
1593 # front ends it requires, even if some are required indirectly.
1594 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1595 case ${lang_frag} in
1597 # The odd quoting in the next line works around
1598 # an apparent bug in bash 1.12 on linux.
1599 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1601 # From the config-lang.in, get $language, $lang_requires, and
1602 # $lang_requires_boot_languages.
1605 lang_requires_boot_languages=
1607 for other in ${lang_requires} ${lang_requires_boot_languages}; do
1608 case ,${enable_languages}, in
1612 echo " \`$other' language required by \`$language'; enabling" 1>&2
1613 enable_languages="${enable_languages},${other}"
1617 for other in ${lang_requires_boot_languages} ; do
1618 if test "$other" != "c"; then
1619 case ,${enable_stage1_languages}, in
1623 case ,${enable_languages}, in
1625 echo " '$other' language required by '$language' in stage 1; enabling" 1>&2
1626 enable_stage1_languages="$enable_stage1_languages,${other}"
1637 new_enable_languages=,c,
1639 # If LTO is enabled, add the LTO front end.
1640 extra_host_libiberty_configure_flags=
1641 if test "$enable_lto" = "yes" ; then
1642 case ,${enable_languages}, in
1644 *) enable_languages="${enable_languages},lto" ;;
1646 if test "${build_lto_plugin}" = "yes" ; then
1647 configdirs="$configdirs lto-plugin"
1648 extra_host_libiberty_configure_flags=--enable-shared
1651 AC_SUBST(extra_host_libiberty_configure_flags)
1653 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
1654 potential_languages=,c,
1656 enabled_target_libs=
1657 disabled_target_libs=
1659 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1660 case ${lang_frag} in
1662 # The odd quoting in the next line works around
1663 # an apparent bug in bash 1.12 on linux.
1664 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1666 # From the config-lang.in, get $language, $target_libs,
1667 # $lang_dirs, $boot_language, and $build_by_default
1673 build_by_default=yes
1675 if test x${language} = x; then
1676 echo "${lang_frag} doesn't set \$language." 1>&2
1680 if test "$language" = "c++" \
1681 && test "$ENABLE_BUILD_WITH_CXX" = "yes"; then
1685 case ,${enable_languages}, in
1687 # Language was explicitly selected; include it.
1691 # 'all' was selected, select it if it is a default language
1692 add_this_lang=${build_by_default}
1699 # Disable languages that need other directories if these aren't available.
1700 for i in $subdir_requires; do
1701 test -f "$srcdir/gcc/$i/config-lang.in" && continue
1702 case ,${enable_languages}, in
1704 # Specifically requested language; tell them.
1705 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing])
1709 add_this_lang=unsupported
1714 # Disable Ada if no preexisting GNAT is available.
1715 case ,${enable_languages},:${language}:${have_gnat} in
1716 *,${language},*:ada:no)
1717 # Specifically requested language; tell them.
1718 AC_MSG_ERROR([GNAT is required to build $language])
1722 add_this_lang=unsupported
1726 # Disable a language that is unsupported by the target.
1727 case " $unsupported_languages " in
1729 add_this_lang=unsupported
1733 case $add_this_lang in
1735 # Remove language-dependent dirs.
1736 disabled_target_libs="$disabled_target_libs $target_libs"
1737 noconfigdirs="$noconfigdirs $lang_dirs"
1740 # Remove language-dependent dirs; still show language as supported.
1741 disabled_target_libs="$disabled_target_libs $target_libs"
1742 noconfigdirs="$noconfigdirs $lang_dirs"
1743 potential_languages="${potential_languages}${language},"
1746 new_enable_languages="${new_enable_languages}${language},"
1747 potential_languages="${potential_languages}${language},"
1748 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
1749 enabled_target_libs="$enabled_target_libs $target_libs"
1750 case "${boot_language}:,$enable_stage1_languages," in
1751 yes:* | *:*,$language,* | *:*,yes, | *:*,all,)
1752 # Add to (comma-separated) list of stage 1 languages.
1753 case ",$stage1_languages," in
1754 *,$language,* | ,yes, | ,all,) ;;
1755 *) stage1_languages="${stage1_languages}${language}," ;;
1757 # We need to bootstrap any supporting libraries.
1758 bootstrap_target_libs="${bootstrap_target_libs}${target_libs},"
1767 # Add target libraries which are only needed for disabled languages
1769 if test -n "$disabled_target_libs"; then
1770 for dir in $disabled_target_libs; do
1771 case " $enabled_target_libs " in
1773 *) noconfigdirs="$noconfigdirs $dir" ;;
1778 AC_ARG_ENABLE(stage1-languages,
1779 [AS_HELP_STRING([[--enable-stage1-languages[=all]]],
1780 [choose additional languages to build during
1781 stage1. Mostly useful for compiler development])],
1782 [case ,${enable_stage1_languages}, in
1784 # Set it to something that will have no effect in the loop below
1785 enable_stage1_languages=c ;;
1787 enable_stage1_languages=`echo $new_enable_languages | \
1788 sed -e "s/^,//" -e "s/,$//" ` ;;
1790 enable_stage1_languages=`echo ,$enable_stage1_languages, | \
1791 sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;;
1794 # Add "good" languages from enable_stage1_languages to stage1_languages,
1795 # while "bad" languages go in missing_languages. Leave no duplicates.
1796 for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do
1797 case $potential_languages in
1799 case $stage1_languages in
1801 *) stage1_languages="$stage1_languages$i," ;;
1804 case $missing_languages in
1806 *) missing_languages="$missing_languages$i," ;;
1811 # Remove leading/trailing commas that were added for simplicity
1812 potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"`
1813 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
1814 stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"`
1815 new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"`
1817 if test "x$missing_languages" != x; then
1819 The following requested languages could not be built: ${missing_languages}
1820 Supported languages are: ${potential_languages}])
1822 if test "x$new_enable_languages" != "x$enable_languages"; then
1823 echo The following languages will be built: ${new_enable_languages}
1824 enable_languages="$new_enable_languages"
1827 AC_SUBST(stage1_languages)
1828 ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" `
1831 # Handle --disable-<component> generically.
1832 for dir in $configdirs $build_configdirs $target_configdirs ; do
1833 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g`
1834 varname=`echo $dirname | sed -e s/+/_/g`
1835 if eval test x\${enable_${varname}} "=" xno ; then
1836 noconfigdirs="$noconfigdirs $dir"
1840 # Check for Boehm's garbage collector
1841 AC_ARG_ENABLE(objc-gc,
1842 [AS_HELP_STRING([--enable-objc-gc],
1843 [enable use of Boehm's garbage collector with the
1844 GNU Objective-C runtime])],
1845 [case ,${enable_languages},:${enable_objc_gc}:${noconfigdirs} in
1846 *,objc,*:*:yes:*target-boehm-gc*)
1847 AC_MSG_ERROR([Boehm's garbage collector was requested yet not supported in this configuration])
1851 # Make sure we only build Boehm's garbage collector if required.
1852 case ,${enable_languages},:${enable_objc_gc} in
1854 # Keep target-boehm-gc if requested for Objective-C.
1857 # Otherwise remove target-boehm-gc depending on target-libjava.
1858 if echo " ${noconfigdirs} " | grep "target-libjava" >/dev/null 2>&1; then
1859 noconfigdirs="$noconfigdirs target-boehm-gc"
1864 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
1865 # $build_configdirs and $target_configdirs.
1866 # If we have the source for $noconfigdirs entries, add them to $notsupp.
1869 for dir in . $skipdirs $noconfigdirs ; do
1870 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
1871 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1872 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
1873 if test -r $srcdir/$dirname/configure ; then
1874 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1877 notsupp="$notsupp $dir"
1881 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1882 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"`
1883 if test -r $srcdir/$dirname/configure ; then
1884 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1887 notsupp="$notsupp $dir"
1891 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1892 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
1893 if test -r $srcdir/$dirname/configure ; then
1894 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1897 notsupp="$notsupp $dir"
1903 # Sometimes the tools are distributed with libiberty but with no other
1904 # libraries. In that case, we don't want to build target-libiberty.
1905 # Don't let libgcc imply libiberty either.
1906 if test -n "${target_configdirs}" ; then
1909 for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do
1910 if test "$i" = "libgcc"; then
1911 libgcc=target-libgcc
1912 elif test "$i" != "libiberty" ; then
1913 if test -r $srcdir/$i/configure ; then
1919 if test -z "${others}" ; then
1920 target_configdirs=$libgcc
1924 # Quietly strip out all directories which aren't configurable in this tree.
1925 # This relies on all configurable subdirectories being autoconfiscated, which
1927 build_configdirs_all="$build_configdirs"
1929 for i in ${build_configdirs_all} ; do
1930 j=`echo $i | sed -e s/build-//g`
1931 if test -f ${srcdir}/$j/configure ; then
1932 build_configdirs="${build_configdirs} $i"
1936 configdirs_all="$configdirs"
1938 for i in ${configdirs_all} ; do
1939 if test -f ${srcdir}/$i/configure ; then
1940 configdirs="${configdirs} $i"
1944 target_configdirs_all="$target_configdirs"
1946 for i in ${target_configdirs_all} ; do
1947 j=`echo $i | sed -e s/target-//g`
1948 if test -f ${srcdir}/$j/configure ; then
1949 target_configdirs="${target_configdirs} $i"
1953 # Produce a warning message for the subdirs we can't configure.
1954 # This isn't especially interesting in the Cygnus tree, but in the individual
1955 # FSF releases, it's important to let people know when their machine isn't
1956 # supported by the one or two programs in a package.
1958 if test -n "${notsupp}" && test -z "${norecursion}" ; then
1959 # If $appdirs is non-empty, at least one of those directories must still
1960 # be configured, or we error out. (E.g., if the gas release supports a
1961 # specified target in some subdirs but not the gas subdir, we shouldn't
1962 # pretend that all is well.)
1963 if test -n "$appdirs" ; then
1964 for dir in $appdirs ; do
1965 if test -r $dir/Makefile.in ; then
1966 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1970 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
1976 if test -n "$appdirs" ; then
1977 echo "*** This configuration is not supported by this package." 1>&2
1981 # Okay, some application will build, or we don't care to check. Still
1982 # notify of subdirs not getting built.
1983 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
1984 echo " ${notsupp}" 1>&2
1985 echo " (Any other directories should still work fine.)" 1>&2
1993 # To find our prefix, in gcc_cv_tool_prefix.
1998 AC_ARG_WITH([build-sysroot],
1999 [AS_HELP_STRING([--with-build-sysroot=SYSROOT],
2000 [use sysroot as the system root during the build])],
2001 [if test x"$withval" != x ; then
2002 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval"
2004 [SYSROOT_CFLAGS_FOR_TARGET=])
2005 AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET)
2007 AC_ARG_WITH([debug-prefix-map],
2008 [AS_HELP_STRING([--with-debug-prefix-map='A=B C=D ...'],
2009 [map A to B, C to D ... in debug information])],
2010 [if test x"$withval" != x; then
2011 DEBUG_PREFIX_CFLAGS_FOR_TARGET=
2012 for debug_map in $withval; do
2013 DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map"
2016 [DEBUG_PREFIX_CFLAGS_FOR_TARGET=])
2017 AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET)
2019 # During gcc bootstrap, if we use some random cc for stage1 then CFLAGS
2020 # might be empty or "-g". We don't require a C++ compiler, so CXXFLAGS
2021 # might also be empty (or "-g", if a non-GCC C++ compiler is in the path).
2022 # We want to ensure that TARGET libraries (which we know are built with
2023 # gcc) are built with "-O2 -g", so include those options when setting
2024 # CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET.
2025 if test "x$CFLAGS_FOR_TARGET" = x; then
2026 CFLAGS_FOR_TARGET=$CFLAGS
2029 *) CFLAGS_FOR_TARGET="-O2 $CFLAGS" ;;
2032 *" -g "* | *" -g3 "*) ;;
2033 *) CFLAGS_FOR_TARGET="-g $CFLAGS" ;;
2036 AC_SUBST(CFLAGS_FOR_TARGET)
2038 if test "x$CXXFLAGS_FOR_TARGET" = x; then
2039 CXXFLAGS_FOR_TARGET=$CXXFLAGS
2040 case " $CXXFLAGS " in
2042 *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS" ;;
2044 case " $CXXFLAGS " in
2045 *" -g "* | *" -g3 "*) ;;
2046 *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS" ;;
2049 AC_SUBST(CXXFLAGS_FOR_TARGET)
2051 # Handle --with-headers=XXX. If the value is not "yes", the contents of
2052 # the named directory are copied to $(tooldir)/sys-include.
2053 if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
2054 if test x${is_cross_compiler} = xno ; then
2055 echo 1>&2 '***' --with-headers is only supported when cross compiling
2058 if test x"${with_headers}" != xyes ; then
2059 x=${gcc_cv_tool_prefix}
2060 copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include"
2064 # Handle --with-libs=XXX. If the value is not "yes", the contents of
2065 # the name directories are copied to $(tooldir)/lib. Multiple directories
2067 if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
2068 if test x${is_cross_compiler} = xno ; then
2069 echo 1>&2 '***' --with-libs is only supported when cross compiling
2072 if test x"${with_libs}" != xyes ; then
2073 # Copy the libraries in reverse order, so that files in the first named
2074 # library override files in subsequent libraries.
2075 x=${gcc_cv_tool_prefix}
2076 for l in ${with_libs}; do
2077 copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}"
2082 # Set with_gnu_as, with_gnu_ld, and with_system_zlib as appropriate.
2084 # This is done by determining whether or not the appropriate directory
2085 # is available, and by checking whether or not specific configurations
2086 # have requested that this magic not happen.
2088 # The command line options always override the explicit settings in
2089 # configure.in, and the settings in configure.in override this magic.
2091 # If the default for a toolchain is to use GNU as and ld, and you don't
2092 # want to do that, then you should use the --without-gnu-as and
2093 # --without-gnu-ld options for the configure script. Similarly, if
2094 # the default is to use the included zlib and you don't want to do that,
2095 # you should use the --with-system-zlib option for the configure script.
2097 if test x${use_gnu_as} = x &&
2098 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
2100 extra_host_args="$extra_host_args --with-gnu-as"
2103 if test x${use_gnu_ld} = x &&
2104 echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then
2106 extra_host_args="$extra_host_args --with-gnu-ld"
2109 if test x${use_included_zlib} = x &&
2110 echo " ${configdirs} " | grep " zlib " > /dev/null 2>&1 ; then
2113 with_system_zlib=yes
2114 extra_host_args="$extra_host_args --with-system-zlib"
2117 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
2118 # can detect this case.
2120 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
2122 extra_host_args="$extra_host_args --with-newlib"
2125 # Handle ${copy_dirs}
2126 set fnord ${copy_dirs}
2128 while test $# != 0 ; do
2129 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
2132 echo Copying $1 to $2
2134 # Use the install script to create the directory and all required
2135 # parent directories.
2136 if test -d $2 ; then
2140 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
2143 # Copy the directory, assuming we have tar.
2144 # FIXME: Should we use B in the second tar? Not all systems support it.
2145 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
2147 # It is the responsibility of the user to correctly adjust all
2148 # symlinks. If somebody can figure out how to handle them correctly
2149 # here, feel free to add the code.
2156 # Determine a target-dependent exec_prefix that the installed
2157 # gcc will search in. Keep this list sorted by triplet, with
2158 # the *-*-osname triplets last.
2162 md_exec_prefix=/gnu/lib/gcc-lib
2164 i[[34567]]86-pc-msdosdjgpp*)
2165 md_exec_prefix=/dev/env/DJDIR/bin
2167 i[[34567]]86-*-sco3.2v5*)
2168 if test $with_gnu_as = yes; then
2169 md_exec_prefix=/usr/gnu/bin
2171 md_exec_prefix=/usr/ccs/bin/elf
2176 powerpc-*-chorusos* | \
2177 powerpc*-*-eabi* | \
2178 powerpc*-*-sysv* | \
2179 powerpc*-*-kaos* | \
2181 md_exec_prefix=/usr/ccs/bin
2186 md_exec_prefix=/usr/ccs/bin
2201 md_exec_prefix=/usr/ccs/bin
2205 extra_arflags_for_target=
2206 extra_nmflags_for_target=
2207 extra_ranlibflags_for_target=
2208 target_makefile_frag=/dev/null
2211 target_makefile_frag="config/mt-spu"
2214 target_makefile_frag="config/mt-sde"
2216 mipsisa*-*-elfoabi*)
2217 target_makefile_frag="config/mt-mips-elfoabi"
2219 mips*-*-*linux* | mips*-*-gnu*)
2220 target_makefile_frag="config/mt-mips-gnu"
2222 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
2223 target_makefile_frag="config/mt-gnu"
2225 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
2226 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
2227 # commands to handle both 32-bit and 64-bit objects. These flags are
2228 # harmless if we're using GNU nm or ar.
2229 extra_arflags_for_target=" -X32_64"
2230 extra_nmflags_for_target=" -B -X32_64"
2233 # ranlib before Darwin10 requires the -c flag to look at common symbols.
2234 extra_ranlibflags_for_target=" -c"
2238 alphaieee_frag=/dev/null
2241 # This just makes sure to use the -mieee option to build target libs.
2242 # This should probably be set individually by each library.
2243 alphaieee_frag="config/mt-alphaieee"
2247 # If --enable-target-optspace always use -Os instead of -O2 to build
2248 # the target libraries, similarly if it is not specified, use -Os
2249 # on selected platforms.
2250 ospace_frag=/dev/null
2251 case "${enable_target_optspace}:${target}" in
2253 ospace_frag="config/mt-ospace"
2256 ospace_frag="config/mt-d30v"
2258 :m32r-* | :d10v-* | :fr30-*)
2259 ospace_frag="config/mt-ospace"
2264 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
2268 # Default to using --with-stabs for certain targets.
2269 if test x${with_stabs} = x ; then
2271 mips*-*-irix[[56]]*)
2273 mips*-*-* | alpha*-*-osf*)
2275 extra_host_args="${extra_host_args} --with-stabs"
2280 # hpux11 in 64bit mode has libraries in a weird place. Arrange to find
2281 # them automatically.
2284 extra_host_args="$extra_host_args -x-libraries=/usr/lib/pa20_64 -x-includes=/usr/X11R6/include"
2288 # Some systems (e.g., one of the i386-aix systems the gas testers are
2289 # using) don't handle "\$" correctly, so don't use it here.
2290 tooldir='${exec_prefix}'/${target_noncanonical}
2291 build_tooldir=${tooldir}
2293 # Create a .gdbinit file which runs the one in srcdir
2294 # and tells GDB to look there for source files.
2296 if test -r ${srcdir}/.gdbinit ; then
2299 *) cat > ./.gdbinit <<EOF
2303 source ${srcdir}/.gdbinit
2309 # Make sure that the compiler is able to generate an executable. If it
2310 # can't, we are probably in trouble. We don't care whether we can run the
2311 # executable--we might be using a cross compiler--we only care whether it
2312 # can be created. At this point the main configure script has set CC.
2314 echo "int main () { return 0; }" > conftest.c
2315 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
2316 if test $? = 0 ; then
2317 if test -s conftest || test -s conftest.exe ; then
2323 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
2324 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
2331 # The Solaris /usr/ucb/cc compiler does not appear to work.
2333 sparc-sun-solaris2*)
2334 CCBASE="`echo ${CC-cc} | sed 's/ .*$//'`"
2335 if test "`type $CCBASE | sed 's/^[[^/]]*//'`" = "/usr/ucb/cc" ; then
2337 test -d /opt/SUNWspro/bin && could_use="/opt/SUNWspro/bin"
2338 if test -d /opt/cygnus/bin ; then
2339 if test "$could_use" = "" ; then
2340 could_use="/opt/cygnus/bin"
2342 could_use="$could_use or /opt/cygnus/bin"
2345 if test "$could_use" = "" ; then
2346 echo "Warning: compilation may fail because you're using"
2347 echo "/usr/ucb/cc. You should change your PATH or CC "
2348 echo "variable and rerun configure."
2350 echo "Warning: compilation may fail because you're using"
2351 echo "/usr/ucb/cc, when you should use the C compiler from"
2352 echo "$could_use. You should change your"
2353 echo "PATH or CC variable and rerun configure."
2359 # Decide which environment variable is used to find dynamic libraries.
2361 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
2362 *-*-darwin*) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;;
2363 *-*-mingw* | *-*-cygwin ) RPATH_ENVVAR=PATH ;;
2364 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
2367 # On systems where the dynamic library environment variable is PATH,
2368 # gcc/ will put dynamic libraries into a subdirectory to avoid adding
2369 # built executables to PATH.
2370 if test "$RPATH_ENVVAR" = PATH; then
2371 GCC_SHLIB_SUBDIR=/shlib
2376 # Record target_configdirs and the configure arguments for target and
2377 # build configuration in Makefile.
2378 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
2379 build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
2381 # If we are building libgomp, bootstrap it.
2382 if echo " ${target_configdirs} " | grep " libgomp " > /dev/null 2>&1 ; then
2383 bootstrap_target_libs=${bootstrap_target_libs}target-libgomp,
2386 # Determine whether gdb needs tk/tcl or not.
2387 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
2388 # and in that case we want gdb to be built without tk. Ugh!
2389 # In fact I believe gdb is the *only* package directly dependent on tk,
2390 # so we should be able to put the 'maybe's in unconditionally and
2391 # leave out the maybe dependencies when enable_gdbtk is false. I'm not
2392 # 100% sure that that's safe though.
2394 gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
2395 case "$enable_gdbtk" in
2399 GDB_TK="${gdb_tk}" ;;
2401 # Only add the dependency on gdbtk when GDBtk is part of the gdb
2402 # distro. Eventually someone will fix this and move Insight, nee
2403 # gdbtk to a separate directory.
2404 if test -d ${srcdir}/gdb/gdbtk ; then
2411 CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g`
2412 INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g`
2414 # Strip out unwanted targets.
2416 # While at that, we remove Makefiles if we were started for recursive
2417 # configuration, so that the top-level Makefile reconfigures them,
2418 # like we used to do when configure itself was recursive.
2420 # Loop over modules. We used to use the "$extrasub" feature from Autoconf
2421 # but now we're fixing up the Makefile ourselves with the additional
2422 # commands passed to AC_CONFIG_FILES. Use separate variables
2423 # extrasub-{build,host,target} not because there is any reason to split
2424 # the substitutions up that way, but only to remain below the limit of
2425 # 99 commands in a script, for HP-UX sed.
2426 # Do not nest @if/@endif pairs, because configure will not warn you at all.
2428 AC_ARG_ENABLE([bootstrap],
2429 [AS_HELP_STRING([--enable-bootstrap],
2430 [enable bootstrapping @<:@yes if native build@:>@])],,
2431 enable_bootstrap=default)
2433 # Issue errors and warnings for invalid/strange bootstrap combinations.
2434 case "$configdirs" in
2435 *gcc*) have_compiler=yes ;;
2436 *) have_compiler=no ;;
2439 case "$have_compiler:$host:$target:$enable_bootstrap" in
2442 # Default behavior. Enable bootstrap if we have a compiler
2443 # and we are in a native configuration.
2444 yes:$build:$build:default)
2445 enable_bootstrap=yes ;;
2448 enable_bootstrap=no ;;
2450 # We have a compiler and we are in a native configuration, bootstrap is ok
2451 yes:$build:$build:yes)
2454 # Other configurations, but we have a compiler. Assume the user knows
2457 AC_MSG_WARN([trying to bootstrap a cross compiler])
2460 # No compiler: if they passed --enable-bootstrap explicitly, fail
2462 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
2464 # Fail if wrong command line
2466 AC_MSG_ERROR([invalid option for --enable-bootstrap])
2470 case ",$enable_languages,:$ENABLE_BUILD_WITH_CXX:$enable_bootstrap" in
2473 AC_MSG_ERROR([bootstrapping with --enable-build-with-cxx requires c++ in --enable-languages])
2477 case "$enable_bootstrap:$ENABLE_GOLD: $configdirs :,$stage1_languages," in
2478 yes:yes:*\ gold\ *:*,c++,*) ;;
2479 yes:yes:*\ gold\ *:*)
2480 AC_MSG_ERROR([in a combined tree, bootstrapping with --enable-gold requires c++ in stage1_languages])
2484 # Adjust the toplevel makefile according to whether bootstrap was selected.
2485 case $enable_bootstrap in
2487 bootstrap_suffix=bootstrap
2488 BUILD_CONFIG=bootstrap-debug
2491 bootstrap_suffix=no-bootstrap
2496 AC_MSG_CHECKING(for default BUILD_CONFIG)
2498 AC_ARG_WITH([build-config],
2499 [AS_HELP_STRING([--with-build-config='NAME NAME2...'],
2500 [use config/NAME.mk build configuration])],
2501 [case $with_build_config in
2502 yes) with_build_config= ;;
2503 no) with_build_config= BUILD_CONFIG= ;;
2506 if test "x${with_build_config}" != x; then
2507 BUILD_CONFIG=$with_build_config
2509 case $BUILD_CONFIG in
2511 if echo "int f (void) { return 0; }" > conftest.c &&
2512 ${CC} -c conftest.c &&
2513 mv conftest.o conftest.o.g0 &&
2514 ${CC} -c -g conftest.c &&
2515 mv conftest.o conftest.o.g &&
2516 ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g > /dev/null 2>&1; then
2521 rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g
2525 AC_MSG_RESULT($BUILD_CONFIG)
2526 AC_SUBST(BUILD_CONFIG)
2529 for module in ${build_configdirs} ; do
2530 if test -z "${no_recursion}" \
2531 && test -f ${build_subdir}/${module}/Makefile; then
2532 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
2533 rm -f ${build_subdir}/${module}/Makefile
2535 extrasub_build="$extrasub_build
2536 /^@if build-$module\$/d
2537 /^@endif build-$module\$/d
2538 /^@if build-$module-$bootstrap_suffix\$/d
2539 /^@endif build-$module-$bootstrap_suffix\$/d"
2542 for module in ${configdirs} ; do
2543 if test -z "${no_recursion}"; then
2544 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do
2545 if test -f ${file}; then
2546 echo 1>&2 "*** removing ${file} to force reconfigure"
2551 extrasub_host="$extrasub_host
2553 /^@endif $module\$/d
2554 /^@if $module-$bootstrap_suffix\$/d
2555 /^@endif $module-$bootstrap_suffix\$/d"
2558 for module in ${target_configdirs} ; do
2559 if test -z "${no_recursion}" \
2560 && test -f ${target_subdir}/${module}/Makefile; then
2561 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
2562 rm -f ${target_subdir}/${module}/Makefile
2565 # We only bootstrap target libraries listed in bootstrap_target_libs.
2566 case $bootstrap_target_libs in
2567 *,target-$module,*) target_bootstrap_suffix=$bootstrap_suffix ;;
2568 *) target_bootstrap_suffix=no-bootstrap ;;
2571 extrasub_target="$extrasub_target
2572 /^@if target-$module\$/d
2573 /^@endif target-$module\$/d
2574 /^@if target-$module-$target_bootstrap_suffix\$/d
2575 /^@endif target-$module-$target_bootstrap_suffix\$/d"
2578 # Do the final fixup along with target modules.
2579 extrasub_target="$extrasub_target
2580 /^@if /,/^@endif /d"
2582 # Create the serialization dependencies. This uses a temporary file.
2584 AC_ARG_ENABLE([serial-configure],
2585 [AS_HELP_STRING([[--enable-serial-[{host,target,build}-]configure]],
2586 [force sequential configuration of
2587 sub-packages for the host, target or build
2588 machine, or all sub-packages])])
2590 case ${enable_serial_configure} in
2592 enable_serial_build_configure=yes
2593 enable_serial_host_configure=yes
2594 enable_serial_target_configure=yes
2598 # These force 'configure's to be done one at a time, to avoid problems
2599 # with contention over a shared config.cache.
2601 echo '# serdep.tmp' > serdep.tmp
2603 test "x${enable_serial_build_configure}" = xyes &&
2604 for item in ${build_configdirs} ; do
2607 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
2612 test "x${enable_serial_host_configure}" = xyes &&
2613 for item in ${configdirs} ; do
2616 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
2621 test "x${enable_serial_target_configure}" = xyes &&
2622 for item in ${target_configdirs} ; do
2625 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
2629 serialization_dependencies=serdep.tmp
2630 AC_SUBST_FILE(serialization_dependencies)
2632 # Base args. Strip norecursion, cache-file, srcdir, host, build,
2633 # target, nonopt, and variable assignments. These are the ones we
2634 # might not want to pass down to subconfigures. The exception being
2635 # --cache-file=/dev/null, which is used to turn off the use of cache
2636 # files altogether, and which should be passed on to subconfigures.
2637 # Also strip program-prefix, program-suffix, and program-transform-name,
2638 # so that we can pass down a consistent program-transform-name.
2643 eval "set -- $ac_configure_args"
2646 if test X"$skip_next" = X"yes"; then
2650 if test X"$keep_next" = X"yes"; then
2653 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2655 baseargs="$baseargs '$ac_arg'"
2656 tbaseargs="$tbaseargs '$ac_arg'"
2661 # Handle separated arguments. Based on the logic generated by
2664 *=* | --config-cache | -C | -disable-* | --disable-* \
2665 | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \
2666 | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \
2667 | -with-* | --with-* | -without-* | --without-* | --x)
2681 --with-* | --without-*)
2682 libopt=`echo "$ac_arg" | sed -e 's,^--[^-_]*[-_],,' -e 's,=.*$,,'`
2686 lib=`echo "$libopt" | sed 's,[-_]include$,,'`
2689 lib=`echo "$libopt" | sed 's,[-_]lib$,,'`
2698 mpc | mpfr | gmp | ppl | cloog)
2699 # If we're processing --with-$lib, --with-$lib-include or
2700 # --with-$lib-lib, for one of the libs above, and target is
2701 # different from host, don't pass the current argument to any
2702 # target library's configure.
2703 if test x$is_cross_compiler = xyes; then
2712 --cache-file=/dev/null | \
2713 -cache-file=/dev/null )
2714 # Handled here to avoid the test to skip args below.
2715 baseargs="$baseargs '$ac_arg'"
2716 tbaseargs="$tbaseargs '$ac_arg'"
2717 # Assert: $separate_arg should always be no.
2718 keep_next=$separate_arg
2734 -program-prefix* | \
2735 -program-suffix* | \
2736 -program-transform-name* )
2737 skip_next=$separate_arg
2741 # An option. Add it.
2744 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2746 baseargs="$baseargs '$ac_arg'"
2747 if test X"$skip_targ" = Xno; then
2748 tbaseargs="$tbaseargs '$ac_arg'"
2750 keep_next=$separate_arg
2753 # Either a variable assignment, or a nonopt (triplet). Don't
2754 # pass it down; let the Makefile handle this.
2759 # Remove the initial space we just introduced and, as these will be
2760 # expanded by make, quote '$'.
2761 baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
2763 # Add in --program-transform-name, after --program-prefix and
2764 # --program-suffix have been applied to it. Autoconf has already
2765 # doubled dollar signs and backslashes in program_transform_name; we want
2766 # the backslashes un-doubled, and then the entire thing wrapped in single
2767 # quotes, because this will be expanded first by make and then by the shell.
2768 # Also, because we want to override the logic in subdir configure scripts to
2769 # choose program_transform_name, replace any s,x,x, with s,y,y,.
2770 sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
2771 ${program_transform_name}
2773 gcc_transform_name=`cat conftestsed.out`
2774 rm -f conftestsed.out
2775 baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
2776 tbaseargs="$tbaseargs --program-transform-name='${gcc_transform_name}'"
2777 if test "$silent" = yes; then
2778 baseargs="$baseargs --silent"
2779 tbaseargs="$tbaseargs --silent"
2781 baseargs="$baseargs --disable-option-checking"
2782 tbaseargs="$tbaseargs --disable-option-checking"
2784 # Record and document user additions to sub configure arguments.
2785 AC_ARG_VAR([build_configargs],
2786 [additional configure arguments for build directories])
2787 AC_ARG_VAR([host_configargs],
2788 [additional configure arguments for host directories])
2789 AC_ARG_VAR([target_configargs],
2790 [additional configure arguments for target directories])
2792 # For the build-side libraries, we just need to pretend we're native,
2793 # and not use the same cache file. Multilibs are neither needed nor
2795 build_configargs="$build_configargs --cache-file=../config.cache ${baseargs}"
2797 # For host modules, accept cache file option, or specification as blank.
2798 case "${cache_file}" in
2800 cache_file_option="" ;;
2801 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
2802 cache_file_option="--cache-file=${cache_file}" ;;
2804 cache_file_option="--cache-file=../${cache_file}" ;;
2807 # Host dirs don't like to share a cache file either, horribly enough.
2808 # This seems to be due to autoconf 2.5x stupidity.
2809 host_configargs="$host_configargs --cache-file=./config.cache ${extra_host_args} ${baseargs}"
2811 target_configargs="$target_configargs ${tbaseargs}"
2813 # Passing a --with-cross-host argument lets the target libraries know
2814 # whether they are being built with a cross-compiler or being built
2815 # native. However, it would be better to use other mechanisms to make the
2816 # sorts of decisions they want to make on this basis. Please consider
2817 # this option to be deprecated. FIXME.
2818 if test x${is_cross_compiler} = xyes ; then
2819 target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}"
2822 # Default to --enable-multilib.
2823 if test x${enable_multilib} = x ; then
2824 target_configargs="--enable-multilib ${target_configargs}"
2827 # Pass --with-newlib if appropriate. Note that target_configdirs has
2828 # changed from the earlier setting of with_newlib.
2829 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
2830 target_configargs="--with-newlib ${target_configargs}"
2833 # Different target subdirs use different values of certain variables
2834 # (notably CXX). Worse, multilibs use *lots* of different values.
2835 # Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
2836 # it doesn't automatically accept command-line overrides of them.
2837 # This means it's not safe for target subdirs to share a cache file,
2838 # which is disgusting, but there you have it. Hopefully this can be
2839 # fixed in future. It's still worthwhile to use a cache file for each
2840 # directory. I think.
2842 # Pass the appropriate --build, --host, --target and --cache-file arguments.
2843 # We need to pass --target, as newer autoconf's requires consistency
2844 # for target_alias and gcc doesn't manage it consistently.
2845 target_configargs="--cache-file=./config.cache ${target_configargs}"
2848 case " $target_configdirs " in
2850 case " $target_configargs " in
2851 *" --with-newlib "*)
2854 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 $$s/winsup/w32api/include'
2858 # If we're not building GCC, don't discard standard headers.
2859 if test -d ${srcdir}/gcc; then
2860 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
2862 if test "${build}" != "${host}"; then
2863 # On Canadian crosses, CC_FOR_TARGET will have already been set
2864 # by `configure', so we won't have an opportunity to add -Bgcc/
2865 # to it. This is right: we don't want to search that directory
2866 # for binaries, but we want the header files in there, so add
2868 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include -isystem $$r/$(HOST_SUBDIR)/gcc/include-fixed'
2870 # Someone might think of using the pre-installed headers on
2871 # Canadian crosses, in case the installed compiler is not fully
2872 # compatible with the compiler being built. In this case, it
2873 # would be better to flag an error than risking having
2874 # incompatible object files being constructed. We can't
2875 # guarantee that an error will be flagged, but let's hope the
2876 # compiler will do it, when presented with incompatible header
2881 case "${target}-${is_cross_compiler}" in
2882 i[[3456789]]86-*-linux*-no)
2883 # Here host == target, so we don't need to build gcc,
2884 # so we don't want to discard standard headers.
2885 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
2888 # If we're building newlib, use its generic headers last, but search
2889 # for any libc-related directories first (so make it the last -B
2891 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
2893 # If we're building libgloss, find the startup file, simulator library
2894 # and linker script.
2895 case " $target_configdirs " in
2897 # Look for startup file, simulator library and maybe linker script.
2898 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/'"$libgloss_dir"
2899 # Look for libnosys.a in case the target needs it.
2900 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys'
2901 # Most targets have the linker script in the source directory.
2902 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$s/libgloss/'"$libgloss_dir"
2913 x86_64-*mingw* | *-w64-mingw*)
2914 # MinGW-w64 does not use newlib, nor does it use winsup. It may,
2915 # however, use a symlink named 'mingw' in ${prefix} .
2916 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L${prefix}/${target}/lib -L${prefix}/mingw/lib -isystem ${prefix}/${target}/include -isystem ${prefix}/mingw/include'
2919 # MinGW can't be handled as Cygwin above since it does not use newlib.
2920 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/mingw -L$$r/$(TARGET_SUBDIR)/winsup/w32api/lib -isystem $$s/winsup/mingw/include -isystem $$s/winsup/w32api/include'
2924 # Allow the user to override the flags for
2925 # our build compiler if desired.
2926 if test x"${build}" = x"${host}" ; then
2927 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
2928 CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}}
2929 LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}}
2932 # On Canadian crosses, we'll be searching the right directories for
2933 # the previously-installed cross compiler, so don't bother to add
2934 # flags for directories within the install tree of the compiler
2935 # being built; programs in there won't even run.
2936 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
2937 # Search for pre-installed headers if nothing else fits.
2938 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
2941 if test "x${use_gnu_ld}" = x &&
2942 echo " ${configdirs} " | grep " ld " > /dev/null ; then
2943 # Arrange for us to find uninstalled linker scripts.
2944 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld'
2947 # Search for other target-specific linker scripts and such.
2950 FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary"
2954 # Makefile fragments.
2955 for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
2957 eval fragval=\$$frag
2958 if test $fragval != /dev/null; then
2959 eval $frag=${srcdir}/$fragval
2962 AC_SUBST_FILE(host_makefile_frag)
2963 AC_SUBST_FILE(target_makefile_frag)
2964 AC_SUBST_FILE(alphaieee_frag)
2965 AC_SUBST_FILE(ospace_frag)
2967 # Miscellanea: directories, flags, etc.
2968 AC_SUBST(RPATH_ENVVAR)
2969 AC_SUBST(GCC_SHLIB_SUBDIR)
2971 AC_SUBST(build_tooldir)
2972 AC_SUBST(CONFIGURE_GDB_TK)
2974 AC_SUBST(INSTALL_GDB_TK)
2976 # Build module lists & subconfigure args.
2977 AC_SUBST(build_configargs)
2978 AC_SUBST(build_configdirs)
2980 # Host module lists & subconfigure args.
2981 AC_SUBST(host_configargs)
2982 AC_SUBST(configdirs)
2983 AC_SUBST(target_configdirs)
2985 # Target module lists & subconfigure args.
2986 AC_SUBST(target_configargs)
2990 AC_SUBST(AR_FOR_BUILD)
2991 AC_SUBST(AS_FOR_BUILD)
2992 AC_SUBST(CC_FOR_BUILD)
2993 AC_SUBST(CFLAGS_FOR_BUILD)
2994 AC_SUBST(CXXFLAGS_FOR_BUILD)
2995 AC_SUBST(CXX_FOR_BUILD)
2996 AC_SUBST(DLLTOOL_FOR_BUILD)
2997 AC_SUBST(GCJ_FOR_BUILD)
2998 AC_SUBST(GFORTRAN_FOR_BUILD)
2999 AC_SUBST(GOC_FOR_BUILD)
3000 AC_SUBST(LDFLAGS_FOR_BUILD)
3001 AC_SUBST(LD_FOR_BUILD)
3002 AC_SUBST(NM_FOR_BUILD)
3003 AC_SUBST(RANLIB_FOR_BUILD)
3004 AC_SUBST(WINDMC_FOR_BUILD)
3005 AC_SUBST(WINDRES_FOR_BUILD)
3006 AC_SUBST(config_shell)
3008 # Generate default definitions for YACC, M4, LEX and other programs that run
3009 # on the build machine. These are used if the Makefile can't locate these
3010 # programs in objdir.
3011 MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
3013 AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
3014 case " $build_configdirs " in
3015 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;;
3016 *" byacc "*) YACC='$$r/$(BUILD_SUBDIR)/byacc/byacc' ;;
3019 AC_CHECK_PROGS([BISON], [bison], [$MISSING bison])
3020 case " $build_configdirs " in
3021 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;;
3024 AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4])
3025 case " $build_configdirs " in
3026 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;;
3029 AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex])
3030 case " $build_configdirs " in
3031 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3032 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;;
3035 AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex])
3036 case " $build_configdirs " in
3037 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3040 AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo])
3041 case " $build_configdirs " in
3042 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;;
3045 # For an installed makeinfo, we require it to be from texinfo 4.7 or
3046 # higher, else we use the "missing" dummy.
3047 if ${MAKEINFO} --version \
3048 | egrep 'texinfo[^0-9]*(4\.([7-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then
3051 MAKEINFO="$MISSING makeinfo"
3057 # FIXME: expect and dejagnu may become build tools?
3059 AC_CHECK_PROGS(EXPECT, expect, expect)
3060 case " $configdirs " in
3062 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect'
3066 AC_CHECK_PROGS(RUNTEST, runtest, runtest)
3067 case " $configdirs " in
3069 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest'
3075 NCN_STRICT_CHECK_TOOLS(AR, ar)
3076 NCN_STRICT_CHECK_TOOLS(AS, as)
3077 NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool)
3078 NCN_STRICT_CHECK_TOOLS(LD, ld)
3079 NCN_STRICT_CHECK_TOOLS(LIPO, lipo)
3080 NCN_STRICT_CHECK_TOOLS(NM, nm)
3081 NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, true)
3082 NCN_STRICT_CHECK_TOOLS(STRIP, strip, true)
3083 NCN_STRICT_CHECK_TOOLS(WINDRES, windres)
3084 NCN_STRICT_CHECK_TOOLS(WINDMC, windmc)
3085 NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy)
3086 NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump)
3093 AC_ARG_WITH([build-time-tools],
3094 [AS_HELP_STRING([--with-build-time-tools=PATH],
3095 [use given path to find target tools during the build])],
3096 [case x"$withval" in
3099 with_build_time_tools=
3100 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path])
3103 [with_build_time_tools=])
3105 NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc)
3106 NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx)
3107 NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET})
3108 NCN_STRICT_CHECK_TARGET_TOOLS(GCJ_FOR_TARGET, gcj)
3109 NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran)
3110 NCN_STRICT_CHECK_TARGET_TOOLS(GOC_FOR_TARGET, gccgo)
3112 ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar)
3113 ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as)
3114 ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
3115 ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld)
3116 ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo)
3117 ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm)
3118 ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump)
3119 ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib)
3120 ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip)
3121 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
3122 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc)
3124 RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET"
3126 GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar])
3127 GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new])
3128 GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3129 dnl see comments for CXX_FOR_TARGET_FLAG_TO_PASS
3130 GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX,
3131 [gcc/g++ -B$$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],
3133 GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX,
3134 [gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs],
3136 GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool])
3137 GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3138 GCC_TARGET_TOOL(gcj, GCJ_FOR_TARGET, GCJ,
3139 [gcc/gcj -B$$r/$(HOST_SUBDIR)/gcc/], java)
3140 GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN,
3141 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran)
3142 GCC_TARGET_TOOL(gccgo, GOC_FOR_TARGET, GOC,
3143 [gcc/gccgo -B$$r/$(HOST_SUBDIR)/gcc/], go)
3144 GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new])
3145 GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO)
3146 GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new])
3147 GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump])
3148 GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib])
3149 GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip-new])
3150 GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres])
3151 GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc])
3153 AC_SUBST(FLAGS_FOR_TARGET)
3154 AC_SUBST(RAW_CXX_FOR_TARGET)
3156 # Certain tools may need extra flags.
3157 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
3158 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
3159 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
3161 # When building target libraries, except in a Canadian cross, we use
3162 # the same toolchain as the compiler we just built.
3163 COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)'
3164 COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)'
3165 COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)'
3166 if test $host = $build; then
3167 case " $configdirs " in
3169 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as'
3170 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld'
3171 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target}
3176 AC_SUBST(COMPILER_AS_FOR_TARGET)
3177 AC_SUBST(COMPILER_LD_FOR_TARGET)
3178 AC_SUBST(COMPILER_NM_FOR_TARGET)
3180 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
3181 AC_ARG_ENABLE(maintainer-mode,
3182 [AS_HELP_STRING([--enable-maintainer-mode],
3183 [enable make rules and dependencies not useful
3184 (and sometimes confusing) to the casual installer])],
3185 USE_MAINTAINER_MODE=$enableval,
3186 USE_MAINTAINER_MODE=no)
3187 AC_MSG_RESULT($USE_MAINTAINER_MODE)
3188 AC_SUBST(MAINTAINER_MODE_TRUE)
3189 AC_SUBST(MAINTAINER_MODE_FALSE)
3190 if test "$USE_MAINTAINER_MODE" = yes; then
3191 MAINTAINER_MODE_TRUE=
3192 MAINTAINER_MODE_FALSE='#'
3194 MAINTAINER_MODE_TRUE='#'
3195 MAINTAINER_MODE_FALSE=
3197 MAINT=$MAINTAINER_MODE_TRUE
3200 # ---------------------
3201 # GCC bootstrap support
3202 # ---------------------
3204 # Stage specific cflags for build.
3209 yes) stage1_cflags="-g -Wa,-J" ;;
3210 *) stage1_cflags="-g -J" ;;
3214 # This is aimed to mimic bootstrap with a non-GCC compiler to catch problems.
3215 if test "$GCC" = yes -a "$ENABLE_BUILD_WITH_CXX" != yes; then
3216 saved_CFLAGS="$CFLAGS"
3218 # Pass -fkeep-inline-functions for stage 1 if the GCC version supports it.
3219 CFLAGS="$CFLAGS -fkeep-inline-functions"
3220 AC_MSG_CHECKING([whether -fkeep-inline-functions is supported])
3222 #if (__GNUC__ < 3) \
3223 || (__GNUC__ == 3 && (__GNUC_MINOR__ < 3 \
3224 || (__GNUC_MINOR__ == 3 && __GNUC_PATCHLEVEL__ < 1)))
3225 #error http://gcc.gnu.org/PR29382
3228 [AC_MSG_RESULT([yes]); stage1_cflags="$stage1_cflags -fkeep-inline-functions"],
3229 [AC_MSG_RESULT([no])])
3231 CFLAGS="$saved_CFLAGS"
3234 AC_SUBST(stage1_cflags)
3236 # Enable --enable-checking in stage1 of the compiler.
3237 AC_ARG_ENABLE(stage1-checking,
3238 [AS_HELP_STRING([[--enable-stage1-checking[=all]]],
3239 [choose additional checking for stage1 of the compiler])],
3240 [stage1_checking=--enable-checking=${enable_stage1_checking}],
3241 [if test "x$enable_checking" = xno || test "x$enable_checking" = x; then
3242 stage1_checking=--enable-checking=yes,types
3244 stage1_checking=--enable-checking=$enable_checking,types
3246 AC_SUBST(stage1_checking)
3248 # Enable -Werror in bootstrap stage2 and later.
3249 AC_ARG_ENABLE(werror,
3250 [AS_HELP_STRING([--enable-werror],
3251 [enable -Werror in bootstrap stage2 and later])], [],
3252 [if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then
3257 case ${enable_werror} in
3258 yes) stage2_werror_flag="--enable-werror-always" ;;
3259 *) stage2_werror_flag="" ;;
3261 AC_SUBST(stage2_werror_flag)
3263 # Specify what files to not compare during bootstrap.
3265 compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*"
3267 hppa*64*-*-hpux*) ;;
3268 hppa*-*-hpux*) compare_exclusions="gcc/cc*-checksum\$(objext) | */libgcc/lib2funcs* | gcc/ada/*tools/*" ;;
3270 case " $configdirs " in
3271 *" ppl "*) compare_exclusions="$compare_exclusions | ppl/src/ppl-config.o" ;;
3273 AC_SUBST(compare_exclusions)
3275 AC_CONFIG_FILES([Makefile],
3276 [sed "$extrasub_build" Makefile |
3277 sed "$extrasub_host" |
3278 sed "$extrasub_target" > mf$$
3279 mv -f mf$$ Makefile],
3280 [extrasub_build="$extrasub_build"
3281 extrasub_host="$extrasub_host"
3282 extrasub_target="$extrasub_target"])