1 # Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
2 # 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
3 # Free Software Foundation, Inc.
5 # This file is free software; you can redistribute it and/or modify it
6 # under the terms of the GNU General Public License as published by
7 # the Free Software Foundation; either version 3 of the License, or
8 # (at your option) any later version.
10 # This program is distributed in the hope that it will be useful, but
11 # WITHOUT ANY WARRANTY; without even the implied warranty of
12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 # General Public License for more details.
15 # You should have received a copy of the GNU General Public License
16 # along with this program; see the file COPYING3. If not see
17 # <http://www.gnu.org/licenses/>.
19 ##############################################################################
20 ### WARNING: this file contains embedded tabs. Do not run untabify on this file.
22 m4_include(config/acx.m4)
23 m4_include(config/override.m4)
24 m4_include(config/proginstall.m4)
25 m4_include(config/elf.m4)
26 m4_include([libtool.m4])
27 m4_include([ltoptions.m4])
28 m4_include([ltsugar.m4])
29 m4_include([ltversion.m4])
30 m4_include([lt~obsolete.m4])
31 m4_include([config/cloog.m4])
33 AC_INIT(move-if-change)
35 AC_DISABLE_OPTION_CHECKING
38 # if PWD already has a value, it is probably wrong.
39 if test -n "$PWD" ; then PWD=`${PWDCMD-pwd}`; fi
41 # Export original configure arguments for use by sub-configures.
42 # Quote arguments with shell meta charatcers.
43 TOPLEVEL_CONFIGURE_ARGUMENTS=
44 set -- "$progname" "$@"
48 *" "*|*" "*|*[[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?\']]*)
49 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"`
50 # if the argument is of the form -foo=baz, quote the baz part only
51 ac_arg=`echo "'$ac_arg'" | sed "s/^'\([[-a-zA-Z0-9]]*=\)/\\1'/"` ;;
54 # Add the quoted argument to the list.
55 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS $ac_arg"
57 if test "$silent" = yes; then
58 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS --silent"
60 # Remove the initial space we just introduced and, as these will be
61 # expanded by make, quote '$'.
62 TOPLEVEL_CONFIGURE_ARGUMENTS=`echo "x$TOPLEVEL_CONFIGURE_ARGUMENTS" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
63 AC_SUBST(TOPLEVEL_CONFIGURE_ARGUMENTS)
65 # Find the build, host, and target systems.
66 ACX_NONCANONICAL_BUILD
68 ACX_NONCANONICAL_TARGET
70 dnl Autoconf 2.5x and later will set a default program prefix if
71 dnl --target was used, even if it was the same as --host. Disable
72 dnl that behavior. This must be done before AC_CANONICAL_SYSTEM
74 test "$host_noncanonical" = "$target_noncanonical" &&
75 test "$program_prefix$program_suffix$program_transform_name" = \
77 program_transform_name=s,y,y,
82 m4_pattern_allow([^AS_FOR_TARGET$])dnl
83 m4_pattern_allow([^AS_FOR_BUILD$])dnl
85 # Get 'install' or 'install-sh' and its variants.
92 srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}`
94 # We pass INSTALL explicitly to sub-makes. Make sure that it is not
96 if test "$INSTALL" = "${srcdir}/install-sh -c"; then
97 INSTALL="${srcpwd}/install-sh -c"
100 # Set srcdir to "." if that's what it is.
101 # This is important for multilib support.
103 if test "${pwd}" = "${srcpwd}" ; then
111 ### To add a new directory to the tree, first choose whether it is a target
112 ### or a host dependent tool. Then put it into the appropriate list
113 ### (library or tools, host or target), doing a dependency sort.
115 # Subdirs will be configured in the order listed in build_configdirs,
116 # configdirs, or target_configdirs; see the serialization section below.
118 # Dependency sorting is only needed when *configuration* must be done in
119 # a particular order. In all cases a dependency should be specified in
120 # the Makefile, whether or not it's implicitly specified here.
122 # Double entries in build_configdirs, configdirs, or target_configdirs may
123 # cause circular dependencies and break everything horribly.
125 # these library is used by various programs built for the build
128 build_libs="build-libiberty"
130 # these tools are built for the build environment
131 build_tools="build-texinfo build-byacc build-flex build-bison build-m4 build-fixincludes"
133 # these libraries are used by various programs built for the host environment
135 host_libs="intl mmalloc libiberty opcodes bfd readline tcl tk itcl libgui zlib libcpp libdecnumber gmp mpfr mpc ppl cloog libelf libiconv"
137 # these tools are built for the host environment
138 # Note, the powerpc-eabi build depends on sim occurring before gdb in order to
139 # know that we are building the simulator.
140 # binutils, gas and ld appear in that order because it makes sense to run
141 # "make check" in that particular order.
142 # If --enable-gold is used, "gold" may replace "ld".
143 host_tools="texinfo 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"
145 # libgcj represents the runtime libraries only used by gcj.
146 libgcj="target-libffi \
151 # these libraries are built for the target environment, and are built after
152 # the host libraries and the host tools (which may be a cross compiler)
154 target_libraries="target-libgcc \
159 target-libstdc++-v3 \
170 # these tools are built using the target libraries, and are intended to
171 # run only in the target environment
173 # note: any program that *uses* libraries that are in the "target_libraries"
174 # list belongs in this list.
176 target_tools="target-examples target-gperf target-rda"
178 ################################################################################
180 ## All tools belong in one of the four categories, and are assigned above
181 ## We assign ${configdirs} this way to remove all embedded newlines. This
182 ## is important because configure will choke if they ever get through.
183 ## ${configdirs} is directories we build using the host tools.
184 ## ${target_configdirs} is directories we build using the target tools.
185 configdirs=`echo ${host_libs} ${host_tools}`
186 target_configdirs=`echo ${target_libraries} ${target_tools}`
187 build_configdirs=`echo ${build_libs} ${build_tools}`
189 m4_divert_text([PARSE_ARGS],
192 m4_pushdef([AS_MESSAGE_LOG_FD], [])dnl
193 AC_MSG_ERROR([path to source, $srcdir, contains spaces])
194 m4_popdef([AS_MESSAGE_LOG_FD])dnl
197 ac_subdirs_all=`cd $srcdir && echo */configure | sed 's,/configure,,g'`
200 ################################################################################
202 srcname="gnu development package"
204 # This gets set non-empty for some net releases of packages.
207 # Define is_cross_compiler to save on calls to 'test'.
209 if test x"${host}" = x"${target}" ; then
212 is_cross_compiler=yes
215 # Find the build and target subdir names.
217 # Be sure to cover against remnants of an in-tree build.
218 if test $srcdir != . && test -d $srcdir/host-${host_noncanonical}; then
219 AC_MSG_ERROR([building out of tree but $srcdir contains host-${host_noncanonical}.
220 Use a pristine source tree when building in a separate tree])
223 # Skipdirs are removed silently.
225 # Noconfigdirs are removed loudly.
229 # Make sure we don't let GNU ld be added if we didn't want it.
230 if test x$with_gnu_ld = xno ; then
232 noconfigdirs="$noconfigdirs ld gold"
236 # Make sure we don't let GNU as be added if we didn't want it.
237 if test x$with_gnu_as = xno ; then
239 noconfigdirs="$noconfigdirs gas"
243 # Make sure we don't let ZLIB be added if we didn't want it.
244 if test x$with_system_zlib = xyes ; then
246 noconfigdirs="$noconfigdirs zlib"
249 # some tools are so dependent upon X11 that if we're not building with X,
250 # it's not even worth trying to configure, much less build, that tool.
253 yes | "") ;; # the default value for this tree is that X11 is available
255 skipdirs="${skipdirs} tk itcl libgui"
256 # We won't be able to build gdbtk without X.
259 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
262 # Some are only suitable for cross toolchains.
263 # Remove these if host=target.
264 cross_only="target-libgloss target-newlib target-opcodes"
266 case $is_cross_compiler in
267 no) skipdirs="${skipdirs} ${cross_only}" ;;
270 # If both --with-headers and --with-libs are specified, default to
272 if test x"${with_headers}" != x && test x"${with_headers}" != xno \
273 && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
274 if test x"${with_newlib}" = x ; then
279 # Recognize --with-newlib/--without-newlib.
280 case ${with_newlib} in
281 no) skipdirs="${skipdirs} target-newlib" ;;
282 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
285 # Handle --enable-gold, --enable-ld.
286 # --disable-gold [--enable-ld]
287 # Build only ld. Default option.
288 # --enable-gold [--enable-ld]
289 # Build both gold and ld. Install gold as "ld.gold", install ld
290 # as "ld.bfd" and "ld".
291 # --enable-gold=default [--enable-ld]
292 # Build both gold and ld. Install gold as "ld.gold" and "ld",
293 # install ld as "ld.bfd".
294 # --enable-gold[=default] --disable-ld
295 # Build only gold, which is then installed as both "ld.gold" and "ld".
296 # --enable-gold --enable-ld=default
297 # Build both gold (installed as "ld.gold") and ld (installed as "ld"
299 # In other words, ld is default
300 # --enable-gold=default --enable-ld=default
305 [AS_HELP_STRING([[--enable-gold[=ARG]]],
306 [build gold @<:@ARG={default,yes,no}@:>@])],
307 ENABLE_GOLD=$enableval,
309 case "${ENABLE_GOLD}" in
311 # Check for ELF target.
314 *-*-elf* | *-*-sysv4* | *-*-unixware* | *-*-eabi* | hppa*64*-*-hpux* \
315 | *-*-linux* | frv-*-uclinux* | *-*-irix5* | *-*-irix6* \
316 | *-*-netbsd* | *-*-openbsd* | *-*-freebsd* | *-*-dragonfly* \
317 | *-*-solaris2* | *-*-nto*)
319 *-*-linux*aout* | *-*-linux*oldld*)
327 if test "$is_elf" = "yes"; then
328 # Check for target supported by gold.
330 i?86-*-* | x86_64-*-* | sparc*-*-* | powerpc*-*-* | arm*-*-*)
331 configdirs="$configdirs gold"
332 if test x${ENABLE_GOLD} = xdefault; then
343 AC_MSG_ERROR([invalid --enable-gold argument])
348 [AS_HELP_STRING([[--enable-ld[=ARG]]],
349 [build ld @<:@ARG={default,yes,no}@:>@])],
350 ENABLE_LD=$enableval,
353 case "${ENABLE_LD}" in
355 if test x${default_ld} != x; then
356 AC_MSG_ERROR([either gold or ld can be the default ld])
362 if test x${ENABLE_GOLD} != xyes; then
363 AC_MSG_WARN([neither ld nor gold are enabled])
365 configdirs=`echo " ${configdirs} " | sed -e 's/ ld / /'`
368 AC_MSG_ERROR([invalid --enable-ld argument])
372 # Configure extra directories which are host specific
376 configdirs="$configdirs libtermcap" ;;
379 # A target can indicate whether a language isn't supported for some reason.
380 # Only spaces may be used in this macro; not newlines or tabs.
381 unsupported_languages=
383 # Remove more programs from consideration, based on the host or
384 # target this usually means that a port of the program doesn't
388 i[[3456789]]86-*-msdosdjgpp*)
389 noconfigdirs="$noconfigdirs tcl tk itcl"
394 AC_ARG_ENABLE(libquadmath,
395 AS_HELP_STRING([--disable-libquadmath],
396 [do not build libquadmath directory]),
397 ENABLE_LIBQUADMATH=$enableval,
398 ENABLE_LIBQUADMATH=yes)
399 if test "${ENABLE_LIBQUADMATH}" = "no" ; then
400 noconfigdirs="$noconfigdirs target-libquadmath"
404 AC_ARG_ENABLE(libquadmath-support,
405 AS_HELP_STRING([--disable-libquadmath-support],
406 [disable libquadmath support for Fortran]),
407 ENABLE_LIBQUADMATH_SUPPORT=$enableval,
408 ENABLE_LIBQUADMATH_SUPPORT=yes)
409 enable_libquadmath_support=
410 if test "${ENABLE_LIBQUADMATH_SUPPORT}" = "no" ; then
411 enable_libquadmath_support=no
415 AC_ARG_ENABLE(libada,
416 [AS_HELP_STRING([--enable-libada], [build libada directory])],
417 ENABLE_LIBADA=$enableval,
419 if test "${ENABLE_LIBADA}" != "yes" ; then
420 noconfigdirs="$noconfigdirs gnattools"
423 AC_ARG_ENABLE(libssp,
424 [AS_HELP_STRING([--enable-libssp], [build libssp directory])],
425 ENABLE_LIBSSP=$enableval,
428 # Save it here so that, even in case of --enable-libgcj, if the Java
429 # front-end isn't enabled, we still get libgcj disabled.
431 case $enable_libgcj in
433 # If we reset it here, it won't get added to noconfigdirs in the
434 # target-specific build rules, so it will be forcibly enabled
435 # (unless the Java language itself isn't enabled).
439 # Make sure we get it printed in the list of not supported target libs.
440 # Don't disable libffi, though, other languages use it.
441 noconfigdirs="$noconfigdirs `echo ${libgcj} | sed -e 's/target-libffi//'`"
442 # Clear libgcj_saved so that even if java is enabled libffi won't be
449 # Disable libmudflap on some systems.
450 if test x$enable_libmudflap = x ; then
452 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | bfin*-*-uclinux* | *-*-kopensolaris*-gnu)
453 # Enable libmudflap by default in GNU and friends.
456 # Enable libmudflap by default in FreeBSD.
459 # Disable it by default everywhere else.
460 noconfigdirs="$noconfigdirs target-libmudflap"
465 # Disable libgomp on non POSIX hosted systems.
466 if test x$enable_libgomp = x ; then
467 # Enable libgomp by default on hosted POSIX systems.
469 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
471 *-*-netbsd* | *-*-freebsd* | *-*-openbsd* | *-*-dragonfly*)
473 *-*-solaris2* | *-*-irix6* | *-*-osf* | *-*-hpux11*)
475 *-*-darwin* | *-*-aix*)
478 noconfigdirs="$noconfigdirs target-libgomp"
483 # Disable libssp for some systems.
486 noconfigdirs="$noconfigdirs target-libssp"
488 powerpc-*-aix* | rs6000-*-aix*)
489 noconfigdirs="$noconfigdirs target-libssp"
492 noconfigdirs="$noconfigdirs target-libssp"
496 # Disable target libiberty for some systems.
499 # Remove unsupported stuff on all kaOS configurations.
500 skipdirs="target-libiberty"
503 # Skip some stuff on all NetBSD configurations.
504 noconfigdirs="$noconfigdirs target-libiberty"
507 noconfigdirs="$noconfigdirs target-libiberty"
510 skipdirs="${skipdirs} target-libiberty"
513 noconfigdirs="$noconfigdirs target-libiberty"
516 noconfigdirs="$noconfigdirs target-libiberty"
518 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
519 noconfigdirs="$noconfigdirs target-libiberty"
522 noconfigdirs="$noconfigdirs target-libiberty"
525 noconfigdirs="$noconfigdirs target-libiberty"
527 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
528 noconfigdirs="$noconfigdirs target-libiberty"
531 noconfigdirs="$noconfigdirs target-libiberty"
534 skipdirs="$skipdirs target-libiberty"
537 noconfigdirs="$noconfigdirs target-libiberty"
541 # Disable libstdc++-v3 for some systems.
544 # VxWorks uses the Dinkumware C++ library.
545 noconfigdirs="$noconfigdirs target-libstdc++-v3"
548 # the C++ libraries don't build on top of CE's C libraries
549 noconfigdirs="$noconfigdirs target-libstdc++-v3"
552 noconfigdirs="$noconfigdirs target-libstdc++-v3"
556 # Disable Fortran for some systems.
559 # See <http://gcc.gnu.org/ml/gcc-patches/2004-11/msg00572.html>.
560 unsupported_languages="$unsupported_languages fortran"
564 # Default libgloss CPU subdirectory.
565 libgloss_dir="$target_cpu"
569 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
572 noconfigdirs="$noconfigdirs ld gas gdb gprof"
573 noconfigdirs="$noconfigdirs sim target-rda"
575 i[[3456789]]86-*-darwin*)
576 noconfigdirs="$noconfigdirs ld gprof"
577 noconfigdirs="$noconfigdirs sim target-rda"
579 x86_64-*-darwin[[912]]*)
580 noconfigdirs="$noconfigdirs ld gas gprof"
581 noconfigdirs="$noconfigdirs sim target-rda"
584 noconfigdirs="$noconfigdirs ld gas gdb gprof"
585 noconfigdirs="$noconfigdirs sim target-rda"
586 noconfigdirs="$noconfigdirs ${libgcj}"
589 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
592 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
593 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
594 && test -f /usr/local/include/gmp.h; then
598 # Skip some stuff that's unsupported on some FreeBSD configurations.
604 noconfigdirs="$noconfigdirs ${libgcj}"
609 # Remove unsupported stuff on all kaOS configurations.
610 noconfigdirs="$noconfigdirs target-libgloss"
613 # Skip some stuff on all NetBSD configurations.
614 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
616 # Skip some stuff that's unsupported on some NetBSD configurations.
618 i*86-*-netbsdelf*) ;;
619 arm*-*-netbsdelf*) ;;
621 noconfigdirs="$noconfigdirs ${libgcj}"
626 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
629 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
631 # The tpf target doesn't support gdb yet.
633 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj} gdb tcl tk libgui itcl"
636 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-rda ${libgcj}"
639 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
642 # ld works, but does not support shared libraries.
643 # newlib is not 64 bit ready.
644 # gas doesn't generate exception information.
645 noconfigdirs="$noconfigdirs gas ld target-newlib target-libgloss"
648 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
651 # newlib is not 64 bit ready
652 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
655 # newlib is not 64 bit ready
656 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
659 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
662 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
664 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
665 noconfigdirs="$noconfigdirs ${libgcj}"
666 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
667 noconfigdirs="$noconfigdirs target-newlib"
671 noconfigdirs="$noconfigdirs target-libgloss"
676 arm-*-elf* | arm*-*-eabi* )
677 noconfigdirs="$noconfigdirs target-libffi"
680 arm*-*-linux-gnueabi)
681 case ${with_newlib} in
682 no) noconfigdirs="$noconfigdirs target-newlib target-libgloss"
687 noconfigdirs="$noconfigdirs ${libgcj}"
691 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
694 noconfigdirs="$noconfigdirs ld target-libgloss"
697 noconfigdirs="$noconfigdirs ${libgcj}"
700 unsupported_languages="$unsupported_languages java"
701 noconfigdirs="$noconfigdirs target-boehm-gc"
704 noconfigdirs="$noconfigdirs target-libgloss"
707 noconfigdirs="$noconfigdirs target-libgloss gdb"
710 noconfigdirs="$noconfigdirs ${libgcj} gdb"
712 cris-*-* | crisv32-*-*)
713 unsupported_languages="$unsupported_languages java"
716 noconfigdirs="$noconfigdirs target-newlib target-libgloss";;
717 *) # See PR46792 regarding target-libffi.
718 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";;
723 noconfigdirs="$noconfigdirs target-libgloss"
726 noconfigdirs="$noconfigdirs gdb"
729 noconfigdirs="$noconfigdirs ${libgcj} gdb"
732 noconfigdirs="$noconfigdirs ${libgcj}"
735 noconfigdirs="$noconfigdirs ${libgcj}"
736 noconfigdirs="$noconfigdirs gprof"
739 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
742 noconfigdirs="$noconfigdirs target-libgloss"
744 hppa1.1-*-osf* | hppa1.1-*-bsd* )
747 # In this case, it's because the hppa64-linux target is for
748 # the kernel only at this point and has no libc, and thus no
749 # headers, crt*.o, etc., all of which are needed by these.
750 noconfigdirs="$noconfigdirs target-zlib"
758 noconfigdirs="$noconfigdirs ${libgcj}"
761 noconfigdirs="$noconfigdirs ld"
767 # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
768 # build on HP-UX 10.20.
769 noconfigdirs="$noconfigdirs ld ${libgcj}"
772 noconfigdirs="$noconfigdirs gdb"
775 # No gdb support yet.
776 noconfigdirs="$noconfigdirs readline libgui itcl gdb"
780 noconfigdirs="$noconfigdirs ${libgcj} libgui itcl ld"
783 # No gdb or ld support yet.
784 noconfigdirs="$noconfigdirs ${libgcj} readline libgui itcl gdb ld"
786 i[[3456789]]86-*-coff | i[[3456789]]86-*-elf)
787 noconfigdirs="$noconfigdirs ${libgcj}"
790 i[[3456789]]86-*-linux*)
791 # This section makes it possible to build newlib natively on linux.
792 # If we are using a cross compiler then don't configure newlib.
793 if test x${is_cross_compiler} != xno ; then
794 noconfigdirs="$noconfigdirs target-newlib"
796 noconfigdirs="$noconfigdirs target-libgloss"
797 # If we are not using a cross compiler, do configure newlib.
798 # Note however, that newlib will only be configured in this situation
799 # if the --with-newlib option has been given, because otherwise
800 # 'target-newlib' will appear in skipdirs.
802 i[[3456789]]86-w64-mingw*)
803 noconfigdirs="$noconfigdirs target-libgloss target-newlib ${libgcj}"
805 i[[3456789]]86-*-mingw*)
806 target_configdirs="$target_configdirs target-winsup"
807 noconfigdirs="$noconfigdirs target-libgloss target-newlib ${libgcj}"
810 noconfigdirs="$noconfigdirs target-libgloss target-newlib ${libgcj}"
813 target_configdirs="$target_configdirs target-libtermcap target-winsup"
814 noconfigdirs="$noconfigdirs target-libgloss"
815 # always build newlib if winsup directory is present.
816 if test -d "$srcdir/winsup/cygwin"; then
817 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
818 elif test -d "$srcdir/newlib"; then
819 echo "Warning: winsup/cygwin is missing so newlib can't be built."
822 i[[3456789]]86-*-interix* )
825 noconfigdirs="$noconfigdirs target-libgloss"
827 i[[3456789]]86-*-sco3.2v5*)
828 # The linker does not yet know about weak symbols in COFF,
829 # and is not configured to handle mixed ELF and COFF.
830 noconfigdirs="$noconfigdirs ld target-libgloss"
832 i[[3456789]]86-*-sco*)
833 noconfigdirs="$noconfigdirs gprof target-libgloss"
835 i[[3456789]]86-*-solaris2*)
836 noconfigdirs="$noconfigdirs target-libgloss"
838 i[[3456789]]86-*-sysv4*)
839 noconfigdirs="$noconfigdirs target-libgloss"
841 i[[3456789]]86-*-beos*)
842 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
844 i[[3456789]]86-*-rdos*)
845 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
848 noconfigdirs="$noconfigdirs ${libgcj}"
850 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
854 noconfigdirs="$noconfigdirs ${libgcj}"
860 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc gdb"
861 unsupported_languages="$unsupported_languages java"
864 noconfigdirs="$noconfigdirs sim"
867 # copied from rs6000-*-* entry
868 noconfigdirs="$noconfigdirs gprof target-libgloss target-newlib ${libgcj}"
870 powerpc*-*-winnt* | powerpc*-*-pe*)
871 target_configdirs="$target_configdirs target-winsup"
872 noconfigdirs="$noconfigdirs gdb tcl tk target-libgloss itcl"
873 # always build newlib.
874 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
876 # This is temporary until we can link against shared libraries
877 powerpcle-*-solaris*)
878 noconfigdirs="$noconfigdirs gdb sim tcl tk itcl"
882 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
885 noconfigdirs="$noconfigdirs ${libgcj}"
888 powerpc-*-eabi* | powerpcle-*-eabi* | powerpc-*-rtems* )
892 noconfigdirs="$noconfigdirs target-newlib gprof ${libgcj}"
895 noconfigdirs="$noconfigdirs gprof target-libgloss target-newlib ${libgcj}"
898 noconfigdirs="$noconfigdirs gprof ${libgcj}"
901 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss"
904 noconfigdirs="$noconfigdirs gprof ${libgcj}"
907 noconfigdirs="$noconfigdirs ${libgcj}"
908 if test x$with_newlib = xyes; then
909 noconfigdirs="$noconfigdirs gprof"
914 noconfigdirs="$noconfigdirs gprof target-libgloss"
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"
927 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
930 noconfigdirs="$noconfigdirs gprof ${libgcj}"
936 noconfigdirs="$noconfigdirs ${libgcj}" ;;
938 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}" ;;
941 sparclet-*-aout* | sparc86x-*-*)
945 noconfigdirs="$noconfigdirs ${libgcj}"
948 noconfigdirs="$noconfigdirs ${libgcj}"
955 if test x${is_cross_compiler} != xno ; then
956 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
961 sparc-*-solaris* | sparc64-*-solaris* | sparcv9-*-solaris*)
964 noconfigdirs="$noconfigdirs gdb sim ${libgcj}"
967 noconfigdirs="$noconfigdirs bfd binutils gas gdb ld opcodes target-libgloss"
970 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
972 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
973 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
976 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
979 noconfigdirs="$noconfigdirs ${libgcj}"
983 # If we aren't building newlib, then don't build libgloss, since libgloss
984 # depends upon some newlib header files.
985 case "${noconfigdirs}" in
986 *target-libgloss*) ;;
987 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
990 # Work in distributions that contain no compiler tools, like Autoconf.
991 host_makefile_frag=/dev/null
992 if test -d ${srcdir}/config ; then
994 i[[3456789]]86-*-msdosdjgpp*)
995 host_makefile_frag="config/mh-djgpp"
998 ACX_CHECK_CYGWIN_CAT_WORKS
999 host_makefile_frag="config/mh-cygwin"
1002 host_makefile_frag="config/mh-mingw"
1005 host_makefile_frag="config/mh-interix"
1008 host_makefile_frag="config/mh-pa-hpux10"
1011 host_makefile_frag="config/mh-pa"
1014 host_makefile_frag="config/mh-pa"
1017 host_makefile_frag="config/mh-darwin"
1020 host_makefile_frag="config/mh-ppc-aix"
1023 host_makefile_frag="config/mh-ppc-aix"
1028 if test "${build}" != "${host}" ; then
1029 AR_FOR_BUILD=${AR_FOR_BUILD-ar}
1030 AS_FOR_BUILD=${AS_FOR_BUILD-as}
1031 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
1032 CXX_FOR_BUILD=${CXX_FOR_BUILD-g++}
1033 GCJ_FOR_BUILD=${GCJ_FOR_BUILD-gcj}
1034 GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran}
1035 GOC_FOR_BUILD=${GOC_FOR_BUILD-gccgo}
1036 DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool}
1037 LD_FOR_BUILD=${LD_FOR_BUILD-ld}
1038 NM_FOR_BUILD=${NM_FOR_BUILD-nm}
1039 RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib}
1040 WINDRES_FOR_BUILD=${WINDRES_FOR_BUILD-windres}
1041 WINDMC_FOR_BUILD=${WINDMC_FOR_BUILD-windmc}
1043 AR_FOR_BUILD="\$(AR)"
1044 AS_FOR_BUILD="\$(AS)"
1045 CC_FOR_BUILD="\$(CC)"
1046 CXX_FOR_BUILD="\$(CXX)"
1047 GCJ_FOR_BUILD="\$(GCJ)"
1048 GFORTRAN_FOR_BUILD="\$(GFORTRAN)"
1049 GOC_FOR_BUILD="\$(GOC)"
1050 DLLTOOL_FOR_BUILD="\$(DLLTOOL)"
1051 LD_FOR_BUILD="\$(LD)"
1052 NM_FOR_BUILD="\$(NM)"
1053 RANLIB_FOR_BUILD="\$(RANLIB)"
1054 WINDRES_FOR_BUILD="\$(WINDRES)"
1055 WINDMC_FOR_BUILD="\$(WINDMC)"
1061 # We must set the default linker to the linker used by gcc for the correct
1062 # operation of libtool. If LD is not defined and we are using gcc, try to
1063 # set the LD default to the ld used by gcc.
1064 if test -z "$LD"; then
1065 if test "$GCC" = yes; then
1068 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1070 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1072 case $gcc_prog_ld in
1073 # Accept absolute paths.
1074 [[\\/]* | [A-Za-z]:[\\/]*)]
1075 LD="$gcc_prog_ld" ;;
1081 ACX_PROG_CMP_IGNORE_INITIAL
1083 # See if we are building gcc with C++.
1084 AC_ARG_ENABLE(build-with-cxx,
1085 [AS_HELP_STRING([--enable-build-with-cxx],
1086 [build with C++ compiler instead of C compiler])],
1087 ENABLE_BUILD_WITH_CXX=$enableval,
1088 ENABLE_BUILD_WITH_CXX=no)
1090 # Used for setting $lt_cv_objdir
1093 # Check for GMP, MPFR and MPC
1094 gmplibs="-lmpc -lmpfr -lgmp"
1098 # Specify a location for mpc
1099 # check for this first so it ends up on the link line before mpfr.
1101 [AS_HELP_STRING([--with-mpc=PATH],
1102 [specify prefix directory for installed MPC package.
1103 Equivalent to --with-mpc-include=PATH/include
1104 plus --with-mpc-lib=PATH/lib])])
1105 AC_ARG_WITH(mpc-include,
1106 [AS_HELP_STRING([--with-mpc-include=PATH],
1107 [specify directory for installed MPC include files])])
1108 AC_ARG_WITH(mpc-lib,
1109 [AS_HELP_STRING([--with-mpc-lib=PATH],
1110 [specify directory for the installed MPC library])])
1112 if test "x$with_mpc" != x; then
1113 gmplibs="-L$with_mpc/lib $gmplibs"
1114 gmpinc="-I$with_mpc/include $gmpinc"
1116 if test "x$with_mpc_include" != x; then
1117 gmpinc="-I$with_mpc_include $gmpinc"
1119 if test "x$with_mpc_lib" != x; then
1120 gmplibs="-L$with_mpc_lib $gmplibs"
1122 if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then
1123 gmplibs='-L$$r/$(HOST_SUBDIR)/mpc/src/'"$lt_cv_objdir $gmplibs"
1124 gmpinc='-I$$s/mpc/src '"$gmpinc"
1125 # Do not test the mpc version. Assume that it is sufficient, since
1126 # it is in the source tree, and the library has not been built yet
1127 # but it would be included on the link line in the version check below
1128 # hence making the test fail.
1132 # Specify a location for mpfr
1133 # check for this first so it ends up on the link line before gmp.
1134 AC_ARG_WITH(mpfr-dir,
1135 [AS_HELP_STRING([--with-mpfr-dir=PATH], [this option has been REMOVED])],
1136 [AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed.
1137 Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH])])
1140 [AS_HELP_STRING([--with-mpfr=PATH],
1141 [specify prefix directory for installed MPFR package.
1142 Equivalent to --with-mpfr-include=PATH/include
1143 plus --with-mpfr-lib=PATH/lib])])
1144 AC_ARG_WITH(mpfr-include,
1145 [AS_HELP_STRING([--with-mpfr-include=PATH],
1146 [specify directory for installed MPFR include files])])
1147 AC_ARG_WITH(mpfr-lib,
1148 [AS_HELP_STRING([--with-mpfr-lib=PATH],
1149 [specify directory for the installed MPFR library])])
1151 if test "x$with_mpfr" != x; then
1152 gmplibs="-L$with_mpfr/lib $gmplibs"
1153 gmpinc="-I$with_mpfr/include $gmpinc"
1155 if test "x$with_mpfr_include" != x; then
1156 gmpinc="-I$with_mpfr_include $gmpinc"
1158 if test "x$with_mpfr_lib" != x; then
1159 gmplibs="-L$with_mpfr_lib $gmplibs"
1161 if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then
1162 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir $gmplibs"
1163 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr -I$$s/mpfr '"$gmpinc"
1164 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir"
1165 # Do not test the mpfr version. Assume that it is sufficient, since
1166 # it is in the source tree, and the library has not been built yet
1167 # but it would be included on the link line in the version check below
1168 # hence making the test fail.
1172 # Specify a location for gmp
1173 AC_ARG_WITH(gmp-dir,
1174 [AS_HELP_STRING([--with-gmp-dir=PATH], [this option has been REMOVED])],
1175 [AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed.
1176 Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH])])
1179 [AS_HELP_STRING([--with-gmp=PATH],
1180 [specify prefix directory for the installed GMP package.
1181 Equivalent to --with-gmp-include=PATH/include
1182 plus --with-gmp-lib=PATH/lib])])
1183 AC_ARG_WITH(gmp-include,
1184 [AS_HELP_STRING([--with-gmp-include=PATH],
1185 [specify directory for installed GMP include files])])
1186 AC_ARG_WITH(gmp-lib,
1187 [AS_HELP_STRING([--with-gmp-lib=PATH],
1188 [specify directory for the installed GMP library])])
1191 if test "x$with_gmp" != x; then
1192 gmplibs="-L$with_gmp/lib $gmplibs"
1193 gmpinc="-I$with_gmp/include $gmpinc"
1195 if test "x$with_gmp_include" != x; then
1196 gmpinc="-I$with_gmp_include $gmpinc"
1198 if test "x$with_gmp_lib" != x; then
1199 gmplibs="-L$with_gmp_lib $gmplibs"
1201 if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then
1202 gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir $gmplibs"
1203 gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc"
1204 extra_mpfr_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
1205 extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
1206 # Do not test the gmp version. Assume that it is sufficient, since
1207 # it is in the source tree, and the library has not been built yet
1208 # but it would be included on the link line in the version check below
1209 # hence making the test fail.
1213 if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then
1215 saved_CFLAGS="$CFLAGS"
1216 CFLAGS="$CFLAGS $gmpinc"
1217 # Check for the recommended and required versions of GMP.
1218 AC_MSG_CHECKING([for the correct version of gmp.h])
1219 AC_TRY_COMPILE([#include "gmp.h"],[
1220 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1221 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1222 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,0)
1225 ], [AC_TRY_COMPILE([#include <gmp.h>],[
1226 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1227 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1228 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,3,2)
1231 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1232 [AC_MSG_RESULT([no]); have_gmp=no])
1234 # If we have GMP, check the MPFR version.
1235 if test x"$have_gmp" = xyes; then
1236 # Check for the recommended and required versions of MPFR.
1237 AC_MSG_CHECKING([for the correct version of mpfr.h])
1238 AC_TRY_COMPILE([#include <gmp.h>
1239 #include <mpfr.h>],[
1240 #if MPFR_VERSION < MPFR_VERSION_NUM(2,3,1)
1243 ], [AC_TRY_COMPILE([#include <gmp.h>
1244 #include <mpfr.h>],[
1245 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,2)
1248 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1249 [AC_MSG_RESULT([no]); have_gmp=no])
1252 # Check for the MPC header version.
1253 if test x"$have_gmp" = xyes ; then
1254 # Check for the recommended and required versions of MPC.
1255 AC_MSG_CHECKING([for the correct version of mpc.h])
1256 AC_TRY_COMPILE([#include <mpc.h>],[
1257 #if MPC_VERSION < MPC_VERSION_NUM(0,8,0)
1260 ], [AC_TRY_COMPILE([#include <mpc.h>],[
1261 #if MPC_VERSION < MPC_VERSION_NUM(0,8,1)
1264 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1265 [AC_MSG_RESULT([no]); have_gmp=no])
1268 # Now check the MPFR library.
1269 if test x"$have_gmp" = xyes; then
1271 LIBS="$LIBS $gmplibs"
1272 AC_MSG_CHECKING([for the correct version of the gmp/mpfr/mpc libraries])
1273 AC_TRY_LINK([#include <mpc.h>],[
1280 mpfr_atan2 (n, n, x, GMP_RNDN);
1281 mpfr_erfc (n, x, GMP_RNDN);
1282 mpfr_subnormalize (x, t, GMP_RNDN);
1286 mpc_set_ui_ui (c, 1, 1, MPC_RNDNN);
1287 mpc_cosh (c, c, MPC_RNDNN);
1288 mpc_pow (c, c, c, MPC_RNDNN);
1289 mpc_acosh (c, c, MPC_RNDNN);
1291 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1295 CFLAGS="$saved_CFLAGS"
1297 # The library versions listed in the error message below should match
1298 # the HARD-minimums enforced above.
1299 if test x$have_gmp != xyes; then
1300 AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 2.3.1+ and MPC 0.8.0+.
1301 Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify
1302 their locations. Source code for these libraries can be found at
1303 their respective hosting sites as well as at
1304 ftp://gcc.gnu.org/pub/gcc/infrastructure/. See also
1305 http://gcc.gnu.org/install/prerequisites.html for additional info. If
1306 you obtained GMP, MPFR and/or MPC from a vendor distribution package,
1307 make sure that you have installed both the libraries and the header
1308 files. They may be located in separate packages.])
1312 # Flags needed for both GMP, MPFR and/or MPC.
1315 AC_SUBST(extra_mpfr_configure_flags)
1316 AC_SUBST(extra_mpc_gmp_configure_flags)
1317 AC_SUBST(extra_mpc_mpfr_configure_flags)
1319 # Allow host libstdc++ to be specified for static linking with PPL.
1320 AC_ARG_WITH(host-libstdcxx,
1321 [AS_HELP_STRING([--with-host-libstdcxx=L],
1322 [use linker arguments L to link with libstdc++
1323 when linking with PPL])])
1325 case $with_host_libstdcxx in
1327 AC_MSG_ERROR([-with-host-libstdcxx needs an argument])
1331 # Linker flags to use for stage1 or when not boostrapping.
1332 AC_ARG_WITH(stage1-ldflags,
1333 [AS_HELP_STRING([--with-stage1-ldflags=FLAGS], [linker flags for stage1])],
1334 [if test "$withval" = "no" -o "$withval" = "yes"; then
1337 stage1_ldflags=$withval
1340 AC_SUBST(stage1_ldflags)
1342 # Libraries to use for stage1 or when not bootstrapping.
1343 AC_ARG_WITH(stage1-libs,
1344 [AS_HELP_STRING([--with-stage1-libs=LIBS], [libraries for stage1])],
1345 [if test "$withval" = "no" -o "$withval" = "yes"; then
1348 stage1_libs=$withval
1350 [stage1_libs=$with_host_libstdcxx])
1351 AC_SUBST(stage1_libs)
1353 # Libraries to use for stage2 and later builds. This defaults to the
1354 # argument passed to --with-host-libstdcxx.
1355 AC_ARG_WITH(boot-libs,
1356 [AS_HELP_STRING([--with-boot-libs=LIBS], [libraries for stage2 and later])],
1357 [if test "$withval" = "no" -o "$withval" = "yes"; then
1360 poststage1_libs=$withval
1362 [poststage1_libs=$with_host_libstdcxx])
1363 AC_SUBST(poststage1_libs)
1365 # Linker flags to use for stage2 and later builds.
1366 AC_ARG_WITH(boot-ldflags,
1367 [AS_HELP_STRING([--with-boot-ldflags=FLAGS],
1368 [linker flags for stage2 and later])],
1369 [if test "$withval" = "no" -o "$withval" = "yes"; then
1372 poststage1_ldflags=$withval
1374 [poststage1_ldflags=
1375 # In stages 2 and 3, default to linking libstdc++ and libgcc
1376 # statically. But if the user explicitly specified the libraries to
1377 # use, trust that they are doing what they want.
1378 if test "$poststage1_libs" = ""; then
1379 poststage1_ldflags="-static-libstdc++ -static-libgcc"
1381 AC_SUBST(poststage1_ldflags)
1389 [AS_HELP_STRING([--with-ppl=PATH],
1390 [specify prefix directory for the installed PPL package.
1391 Equivalent to --with-ppl-include=PATH/include
1392 plus --with-ppl-lib=PATH/lib])])
1393 AC_ARG_WITH(ppl-include,
1394 [AS_HELP_STRING([--with-ppl-include=PATH],
1395 [specify directory for installed PPL include files])])
1396 AC_ARG_WITH(ppl-lib,
1397 [AS_HELP_STRING([--with-ppl-lib=PATH],
1398 [specify directory for the installed PPL library])])
1400 AC_ARG_ENABLE(ppl-version-check,
1401 [AS_HELP_STRING([--disable-ppl-version-check],
1402 [disable check for PPL version])])
1408 ppllibs="-L$with_ppl/lib"
1409 pplinc="-I$with_ppl/include $pplinc"
1410 if test -d "$with_ppl/lib" && test -d "$with_ppl/include"; then
1413 AC_MSG_ERROR([cannot find directories "$with_ppl/lib" or "$with_ppl/include"])
1418 if test x"$with_ppl_include" != x; then
1419 pplinc="-I$with_ppl_include $pplinc"
1423 if test "x$with_ppl_lib" != x; then
1424 ppllibs="-L$with_ppl_lib"
1428 if test x"$with_ppl$with_ppl_include$with_ppl_lib" = x && test -d ${srcdir}/ppl; then
1429 if test x"$enable_watchdog" = xyes; then
1432 ppllibs='-L$$r/$(HOST_SUBDIR)/ppl/interfaces/C/'"$lt_cv_objdir"' -L$$r/$(HOST_SUBDIR)/ppl/src/'"$lt_cv_objdir"
1433 pplinc='-I$$r/$(HOST_SUBDIR)/ppl/src -I$$r/$(HOST_SUBDIR)/ppl/interfaces/C '
1434 enable_ppl_version_check=no
1438 if test "x$with_ppl" != xno; then
1439 if test "x$pwllib" = x; then
1441 LIBS="$LIBS $ppllibs -lstdc++ -lm"
1442 AC_CHECK_LIB(pwl, PWL_handle_timeout, [pwllib="-lpwl"])
1446 ppllibs="$ppllibs -lppl_c -lppl $pwllib -lgmpxx"
1448 if test "$enable_ppl_version_check" != no; then
1449 saved_CFLAGS="$CFLAGS"
1450 CFLAGS="$CFLAGS $pplinc $gmpinc"
1451 AC_MSG_CHECKING([for version 0.11 (revision 0 or later) of PPL])
1452 AC_TRY_COMPILE([#include "ppl_c.h"],[
1453 #if PPL_VERSION_MAJOR != 0 || PPL_VERSION_MINOR < 11
1456 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); ppllibs= ; pplinc= ; with_ppl=no ])
1457 CFLAGS="$saved_CFLAGS"
1461 # Flags needed for PPL
1468 dnl Provide configure switches and initialize clooginc & clooglibs
1469 dnl with user input.
1471 if test "x$with_ppl" = "xno"; then
1472 dnl Only execute fail-action, if CLooG has been requested.
1473 CLOOG_REQUESTED([graphite_requested=yes], [graphite_requested=no])
1474 if test "${graphite_requested}" = yes; then
1475 AC_MSG_ERROR([Unable to find a usable PPL. See config.log for details.])
1479 if test "x${with_cloog}" = x && test "x${with_cloog_include}" = x \
1480 && test "x${with_cloog_lib}" = x && test -d ${srcdir}/cloog; then
1481 clooglibs='-L$$r/$(HOST_SUBDIR)/cloog/'"$lt_cv_objdir"' '
1482 clooginc='-I$$r/$(HOST_SUBDIR)/cloog/include -I$$s/cloog/include '
1484 if test "x$with_cloog" != "xno"; then
1485 dnl The minimal version of CLooG required for Graphite.
1487 dnl If we use CLooG-Legacy, the provided version information is
1489 CLOOG_CHECK_VERSION(0,16,1)
1491 dnl Only execute fail-action, if CLooG has been requested.
1493 AC_MSG_ERROR([Unable to find a usable CLooG. See config.log for details.])])
1496 # Check for LTO support.
1498 [AS_HELP_STRING([--enable-lto], [enable link time optimization support])],
1499 enable_lto=$enableval,
1500 enable_lto=yes; default_enable_lto=yes)
1502 ACX_ELF_TARGET_IFELSE([# ELF platforms build the lto-plugin always.
1503 build_lto_plugin=yes
1504 ],[if test x"$default_enable_lto" = x"yes" ; then
1506 *-apple-darwin9 | *-cygwin* | *-mingw*) ;;
1507 # On other non-ELF platforms, LTO has yet to be validated.
1511 # Apart from ELF platforms, only Windows and Darwin support LTO so far.
1512 # It would also be nice to check the binutils support, but we don't
1513 # have gcc_GAS_CHECK_FEATURE available here. For now, we'll just
1514 # warn during gcc/ subconfigure; unless you're bootstrapping with
1515 # -flto it won't be needed until after installation anyway.
1517 *-cygwin* | *-mingw* | *-apple-darwin*) ;;
1518 *) if test x"$enable_lto" = x"yes"; then
1519 AC_MSG_ERROR([LTO support is not enabled for this target.])
1524 # Among non-ELF, only Windows platforms support the lto-plugin so far.
1525 # Build it unless LTO was explicitly disabled.
1527 *-cygwin* | *-mingw*) build_lto_plugin=$enable_lto ;;
1533 # By default, C is the only stage 1 language.
1534 stage1_languages=,c,
1536 # Target libraries that we bootstrap.
1537 bootstrap_target_libs=,target-libgcc,
1539 # Figure out what language subdirectories are present.
1540 # Look if the user specified --enable-languages="..."; if not, use
1541 # the environment variable $LANGUAGES if defined. $LANGUAGES might
1543 # NB: embedded tabs in this IF block -- do not untabify
1544 if test -d ${srcdir}/gcc; then
1545 if test x"${enable_languages+set}" != xset; then
1546 if test x"${LANGUAGES+set}" = xset; then
1547 enable_languages="${LANGUAGES}"
1548 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1550 enable_languages=all
1553 if test x"${enable_languages}" = x ||
1554 test x"${enable_languages}" = xyes;
1556 echo configure.in: --enable-languages needs at least one language argument 1>&2
1560 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1562 # 'f95' is the old name for the 'fortran' language. We issue a warning
1563 # and make the substitution.
1564 case ,${enable_languages}, in
1566 echo configure.in: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2
1567 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'`
1571 # First scan to see if an enabled language requires some other language.
1572 # We assume that a given config-lang.in will list all the language
1573 # front ends it requires, even if some are required indirectly.
1574 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1575 case ${lang_frag} in
1577 # The odd quoting in the next line works around
1578 # an apparent bug in bash 1.12 on linux.
1579 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1581 # From the config-lang.in, get $language, $lang_requires, and
1582 # $lang_requires_boot_languages.
1585 lang_requires_boot_languages=
1587 for other in ${lang_requires} ${lang_requires_boot_languages}; do
1588 case ,${enable_languages}, in
1592 echo " \`$other' language required by \`$language'; enabling" 1>&2
1593 enable_languages="${enable_languages},${other}"
1597 for other in ${lang_requires_boot_languages} ; do
1598 if test "$other" != "c"; then
1599 case ,${enable_stage1_languages}, in
1603 case ,${enable_languages}, in
1605 echo " '$other' language required by '$language' in stage 1; enabling" 1>&2
1606 enable_stage1_languages="$enable_stage1_languages,${other}"
1617 new_enable_languages=,c,
1619 # If LTO is enabled, add the LTO front end.
1620 extra_host_libiberty_configure_flags=
1621 if test "$enable_lto" = "yes" ; then
1622 case ,${enable_languages}, in
1624 *) enable_languages="${enable_languages},lto" ;;
1626 if test "${build_lto_plugin}" = "yes" ; then
1627 configdirs="$configdirs lto-plugin"
1628 extra_host_libiberty_configure_flags=--enable-shared
1631 AC_SUBST(extra_host_libiberty_configure_flags)
1633 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
1634 potential_languages=,c,
1636 enabled_target_libs=
1637 disabled_target_libs=
1639 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1640 case ${lang_frag} in
1642 # The odd quoting in the next line works around
1643 # an apparent bug in bash 1.12 on linux.
1644 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1646 # From the config-lang.in, get $language, $target_libs,
1647 # $lang_dirs, $boot_language, and $build_by_default
1653 build_by_default=yes
1655 if test x${language} = x; then
1656 echo "${lang_frag} doesn't set \$language." 1>&2
1660 if test "$language" = "c++" \
1661 && test "$ENABLE_BUILD_WITH_CXX" = "yes"; then
1665 case ,${enable_languages}, in
1667 # Language was explicitly selected; include it.
1671 # 'all' was selected, select it if it is a default language
1672 add_this_lang=${build_by_default}
1679 # Disable languages that need other directories if these aren't available.
1680 for i in $subdir_requires; do
1681 test -f "$srcdir/gcc/$i/config-lang.in" && continue
1682 case ,${enable_languages}, in
1684 # Specifically requested language; tell them.
1685 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing])
1689 add_this_lang=unsupported
1694 # Disable Ada if no preexisting GNAT is available.
1695 case ,${enable_languages},:${language}:${have_gnat} in
1696 *,${language},*:ada:no)
1697 # Specifically requested language; tell them.
1698 AC_MSG_ERROR([GNAT is required to build $language])
1702 add_this_lang=unsupported
1706 # Disable a language that is unsupported by the target.
1707 case " $unsupported_languages " in
1709 add_this_lang=unsupported
1713 case $add_this_lang in
1715 # Remove language-dependent dirs.
1716 disabled_target_libs="$disabled_target_libs $target_libs"
1717 noconfigdirs="$noconfigdirs $lang_dirs"
1720 # Remove language-dependent dirs; still show language as supported.
1721 disabled_target_libs="$disabled_target_libs $target_libs"
1722 noconfigdirs="$noconfigdirs $lang_dirs"
1723 potential_languages="${potential_languages}${language},"
1726 new_enable_languages="${new_enable_languages}${language},"
1727 potential_languages="${potential_languages}${language},"
1728 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
1729 enabled_target_libs="$enabled_target_libs $target_libs"
1730 case "${boot_language}:,$enable_stage1_languages," in
1731 yes:* | *:*,$language,* | *:*,yes, | *:*,all,)
1732 # Add to (comma-separated) list of stage 1 languages.
1733 case ",$stage1_languages," in
1734 *,$language,* | ,yes, | ,all,) ;;
1735 *) stage1_languages="${stage1_languages}${language}," ;;
1737 # We need to bootstrap any supporting libraries.
1738 bootstrap_target_libs="${bootstrap_target_libs}${target_libs},"
1747 # Add target libraries which are only needed for disabled languages
1749 if test -n "$disabled_target_libs"; then
1750 for dir in $disabled_target_libs; do
1751 case " $enabled_target_libs " in
1753 *) noconfigdirs="$noconfigdirs $dir" ;;
1758 AC_ARG_ENABLE(stage1-languages,
1759 [AS_HELP_STRING([[--enable-stage1-languages[=all]]],
1760 [choose additional languages to build during
1761 stage1. Mostly useful for compiler development])],
1762 [case ,${enable_stage1_languages}, in
1764 # Set it to something that will have no effect in the loop below
1765 enable_stage1_languages=c ;;
1767 enable_stage1_languages=`echo $new_enable_languages | \
1768 sed -e "s/^,//" -e "s/,$//" ` ;;
1770 enable_stage1_languages=`echo ,$enable_stage1_languages, | \
1771 sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;;
1774 # Add "good" languages from enable_stage1_languages to stage1_languages,
1775 # while "bad" languages go in missing_languages. Leave no duplicates.
1776 for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do
1777 case $potential_languages in
1779 case $stage1_languages in
1781 *) stage1_languages="$stage1_languages$i," ;;
1784 case $missing_languages in
1786 *) missing_languages="$missing_languages$i," ;;
1791 # Remove leading/trailing commas that were added for simplicity
1792 potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"`
1793 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
1794 stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"`
1795 new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"`
1797 if test "x$missing_languages" != x; then
1799 The following requested languages could not be built: ${missing_languages}
1800 Supported languages are: ${potential_languages}])
1802 if test "x$new_enable_languages" != "x$enable_languages"; then
1803 echo The following languages will be built: ${new_enable_languages}
1804 enable_languages="$new_enable_languages"
1807 AC_SUBST(stage1_languages)
1808 ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" `
1811 # Handle --disable-<component> generically.
1812 for dir in $configdirs $build_configdirs $target_configdirs ; do
1813 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g`
1814 varname=`echo $dirname | sed -e s/+/_/g`
1815 if eval test x\${enable_${varname}} "=" xno ; then
1816 noconfigdirs="$noconfigdirs $dir"
1820 # Check for Boehm's garbage collector
1821 AC_ARG_ENABLE(objc-gc,
1822 [AS_HELP_STRING([--enable-objc-gc],
1823 [enable use of Boehm's garbage collector with the
1824 GNU Objective-C runtime])],
1825 [case ,${enable_languages},:${enable_objc_gc}:${noconfigdirs} in
1826 *,objc,*:*:yes:*target-boehm-gc*)
1827 AC_MSG_ERROR([Boehm's garbage collector was requested yet not supported in this configuration])
1831 # Make sure we only build Boehm's garbage collector if required.
1832 case ,${enable_languages},:${enable_objc_gc} in
1834 # Keep target-boehm-gc if requested for Objective-C.
1837 # Otherwise remove target-boehm-gc depending on target-libjava.
1838 if echo " ${noconfigdirs} " | grep "target-libjava" >/dev/null 2>&1; then
1839 noconfigdirs="$noconfigdirs target-boehm-gc"
1844 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
1845 # $build_configdirs and $target_configdirs.
1846 # If we have the source for $noconfigdirs entries, add them to $notsupp.
1849 for dir in . $skipdirs $noconfigdirs ; do
1850 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
1851 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1852 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
1853 if test -r $srcdir/$dirname/configure ; then
1854 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1857 notsupp="$notsupp $dir"
1861 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1862 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"`
1863 if test -r $srcdir/$dirname/configure ; then
1864 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1867 notsupp="$notsupp $dir"
1871 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1872 target_configdirs=`echo " ${target_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 $dir"
1883 # Sometimes the tools are distributed with libiberty but with no other
1884 # libraries. In that case, we don't want to build target-libiberty.
1885 # Don't let libgcc imply libiberty either.
1886 if test -n "${target_configdirs}" ; then
1889 for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do
1890 if test "$i" = "libgcc"; then
1891 libgcc=target-libgcc
1892 elif test "$i" != "libiberty" ; then
1893 if test -r $srcdir/$i/configure ; then
1899 if test -z "${others}" ; then
1900 target_configdirs=$libgcc
1904 # Quietly strip out all directories which aren't configurable in this tree.
1905 # This relies on all configurable subdirectories being autoconfiscated, which
1907 build_configdirs_all="$build_configdirs"
1909 for i in ${build_configdirs_all} ; do
1910 j=`echo $i | sed -e s/build-//g`
1911 if test -f ${srcdir}/$j/configure ; then
1912 build_configdirs="${build_configdirs} $i"
1916 configdirs_all="$configdirs"
1918 for i in ${configdirs_all} ; do
1919 if test -f ${srcdir}/$i/configure ; then
1920 configdirs="${configdirs} $i"
1924 target_configdirs_all="$target_configdirs"
1926 for i in ${target_configdirs_all} ; do
1927 j=`echo $i | sed -e s/target-//g`
1928 if test -f ${srcdir}/$j/configure ; then
1929 target_configdirs="${target_configdirs} $i"
1933 # Produce a warning message for the subdirs we can't configure.
1934 # This isn't especially interesting in the Cygnus tree, but in the individual
1935 # FSF releases, it's important to let people know when their machine isn't
1936 # supported by the one or two programs in a package.
1938 if test -n "${notsupp}" && test -z "${norecursion}" ; then
1939 # If $appdirs is non-empty, at least one of those directories must still
1940 # be configured, or we error out. (E.g., if the gas release supports a
1941 # specified target in some subdirs but not the gas subdir, we shouldn't
1942 # pretend that all is well.)
1943 if test -n "$appdirs" ; then
1944 for dir in $appdirs ; do
1945 if test -r $dir/Makefile.in ; then
1946 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1950 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
1956 if test -n "$appdirs" ; then
1957 echo "*** This configuration is not supported by this package." 1>&2
1961 # Okay, some application will build, or we don't care to check. Still
1962 # notify of subdirs not getting built.
1963 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
1964 echo " ${notsupp}" 1>&2
1965 echo " (Any other directories should still work fine.)" 1>&2
1973 # To find our prefix, in gcc_cv_tool_prefix.
1978 AC_ARG_WITH([build-sysroot],
1979 [AS_HELP_STRING([--with-build-sysroot=SYSROOT],
1980 [use sysroot as the system root during the build])],
1981 [if test x"$withval" != x ; then
1982 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval"
1984 [SYSROOT_CFLAGS_FOR_TARGET=])
1985 AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET)
1987 AC_ARG_WITH([debug-prefix-map],
1988 [AS_HELP_STRING([--with-debug-prefix-map='A=B C=D ...'],
1989 [map A to B, C to D ... in debug information])],
1990 [if test x"$withval" != x; then
1991 DEBUG_PREFIX_CFLAGS_FOR_TARGET=
1992 for debug_map in $withval; do
1993 DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map"
1996 [DEBUG_PREFIX_CFLAGS_FOR_TARGET=])
1997 AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET)
1999 # During gcc bootstrap, if we use some random cc for stage1 then CFLAGS
2000 # might be empty or "-g". We don't require a C++ compiler, so CXXFLAGS
2001 # might also be empty (or "-g", if a non-GCC C++ compiler is in the path).
2002 # We want to ensure that TARGET libraries (which we know are built with
2003 # gcc) are built with "-O2 -g", so include those options when setting
2004 # CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET.
2005 if test "x$CFLAGS_FOR_TARGET" = x; then
2006 CFLAGS_FOR_TARGET=$CFLAGS
2009 *) CFLAGS_FOR_TARGET="-O2 $CFLAGS" ;;
2012 *" -g "* | *" -g3 "*) ;;
2013 *) CFLAGS_FOR_TARGET="-g $CFLAGS" ;;
2016 AC_SUBST(CFLAGS_FOR_TARGET)
2018 if test "x$CXXFLAGS_FOR_TARGET" = x; then
2019 CXXFLAGS_FOR_TARGET=$CXXFLAGS
2020 case " $CXXFLAGS " in
2022 *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS" ;;
2024 case " $CXXFLAGS " in
2025 *" -g "* | *" -g3 "*) ;;
2026 *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS" ;;
2029 AC_SUBST(CXXFLAGS_FOR_TARGET)
2031 # Handle --with-headers=XXX. If the value is not "yes", the contents of
2032 # the named directory are copied to $(tooldir)/sys-include.
2033 if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
2034 if test x${is_cross_compiler} = xno ; then
2035 echo 1>&2 '***' --with-headers is only supported when cross compiling
2038 if test x"${with_headers}" != xyes ; then
2039 x=${gcc_cv_tool_prefix}
2040 copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include"
2044 # Handle --with-libs=XXX. If the value is not "yes", the contents of
2045 # the name directories are copied to $(tooldir)/lib. Multiple directories
2047 if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
2048 if test x${is_cross_compiler} = xno ; then
2049 echo 1>&2 '***' --with-libs is only supported when cross compiling
2052 if test x"${with_libs}" != xyes ; then
2053 # Copy the libraries in reverse order, so that files in the first named
2054 # library override files in subsequent libraries.
2055 x=${gcc_cv_tool_prefix}
2056 for l in ${with_libs}; do
2057 copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}"
2062 # Set with_gnu_as, with_gnu_ld, and with_system_zlib as appropriate.
2064 # This is done by determining whether or not the appropriate directory
2065 # is available, and by checking whether or not specific configurations
2066 # have requested that this magic not happen.
2068 # The command line options always override the explicit settings in
2069 # configure.in, and the settings in configure.in override this magic.
2071 # If the default for a toolchain is to use GNU as and ld, and you don't
2072 # want to do that, then you should use the --without-gnu-as and
2073 # --without-gnu-ld options for the configure script. Similarly, if
2074 # the default is to use the included zlib and you don't want to do that,
2075 # you should use the --with-system-zlib option for the configure script.
2077 if test x${use_gnu_as} = x &&
2078 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
2080 extra_host_args="$extra_host_args --with-gnu-as"
2083 if test x${use_gnu_ld} = x &&
2084 echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then
2086 extra_host_args="$extra_host_args --with-gnu-ld"
2089 if test x${use_included_zlib} = x &&
2090 echo " ${configdirs} " | grep " zlib " > /dev/null 2>&1 ; then
2093 with_system_zlib=yes
2094 extra_host_args="$extra_host_args --with-system-zlib"
2097 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
2098 # can detect this case.
2100 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
2102 extra_host_args="$extra_host_args --with-newlib"
2105 # Handle ${copy_dirs}
2106 set fnord ${copy_dirs}
2108 while test $# != 0 ; do
2109 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
2112 echo Copying $1 to $2
2114 # Use the install script to create the directory and all required
2115 # parent directories.
2116 if test -d $2 ; then
2120 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
2123 # Copy the directory, assuming we have tar.
2124 # FIXME: Should we use B in the second tar? Not all systems support it.
2125 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
2127 # It is the responsibility of the user to correctly adjust all
2128 # symlinks. If somebody can figure out how to handle them correctly
2129 # here, feel free to add the code.
2136 # Determine a target-dependent exec_prefix that the installed
2137 # gcc will search in. Keep this list sorted by triplet, with
2138 # the *-*-osname triplets last.
2141 i[[34567]]86-pc-msdosdjgpp*)
2142 md_exec_prefix=/dev/env/DJDIR/bin
2147 md_exec_prefix=/usr/ccs/bin
2151 extra_arflags_for_target=
2152 extra_nmflags_for_target=
2153 extra_ranlibflags_for_target=
2154 target_makefile_frag=/dev/null
2157 target_makefile_frag="config/mt-spu"
2160 target_makefile_frag="config/mt-sde"
2162 mipsisa*-*-elfoabi*)
2163 target_makefile_frag="config/mt-mips-elfoabi"
2165 mips*-*-*linux* | mips*-*-gnu*)
2166 target_makefile_frag="config/mt-mips-gnu"
2168 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
2169 target_makefile_frag="config/mt-gnu"
2171 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
2172 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
2173 # commands to handle both 32-bit and 64-bit objects. These flags are
2174 # harmless if we're using GNU nm or ar.
2175 extra_arflags_for_target=" -X32_64"
2176 extra_nmflags_for_target=" -B -X32_64"
2179 # ranlib before Darwin10 requires the -c flag to look at common symbols.
2180 extra_ranlibflags_for_target=" -c"
2184 alphaieee_frag=/dev/null
2187 # This just makes sure to use the -mieee option to build target libs.
2188 # This should probably be set individually by each library.
2189 alphaieee_frag="config/mt-alphaieee"
2193 # If --enable-target-optspace always use -Os instead of -O2 to build
2194 # the target libraries, similarly if it is not specified, use -Os
2195 # on selected platforms.
2196 ospace_frag=/dev/null
2197 case "${enable_target_optspace}:${target}" in
2199 ospace_frag="config/mt-ospace"
2202 ospace_frag="config/mt-d30v"
2204 :m32r-* | :d10v-* | :fr30-*)
2205 ospace_frag="config/mt-ospace"
2210 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
2214 # Default to using --with-stabs for certain targets.
2215 if test x${with_stabs} = x ; then
2217 mips*-*-irix[[56]]*)
2219 mips*-*-* | alpha*-*-osf*)
2221 extra_host_args="${extra_host_args} --with-stabs"
2226 # hpux11 in 64bit mode has libraries in a weird place. Arrange to find
2227 # them automatically.
2230 extra_host_args="$extra_host_args -x-libraries=/usr/lib/pa20_64 -x-includes=/usr/X11R6/include"
2234 # Some systems (e.g., one of the i386-aix systems the gas testers are
2235 # using) don't handle "\$" correctly, so don't use it here.
2236 tooldir='${exec_prefix}'/${target_noncanonical}
2237 build_tooldir=${tooldir}
2239 # Create a .gdbinit file which runs the one in srcdir
2240 # and tells GDB to look there for source files.
2242 if test -r ${srcdir}/.gdbinit ; then
2245 *) cat > ./.gdbinit <<EOF
2249 source ${srcdir}/.gdbinit
2255 # Make sure that the compiler is able to generate an executable. If it
2256 # can't, we are probably in trouble. We don't care whether we can run the
2257 # executable--we might be using a cross compiler--we only care whether it
2258 # can be created. At this point the main configure script has set CC.
2260 echo "int main () { return 0; }" > conftest.c
2261 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
2262 if test $? = 0 ; then
2263 if test -s conftest || test -s conftest.exe ; then
2269 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
2270 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
2277 # The Solaris /usr/ucb/cc compiler does not appear to work.
2279 sparc-sun-solaris2*)
2280 CCBASE="`echo ${CC-cc} | sed 's/ .*$//'`"
2281 if test "`type $CCBASE | sed 's/^[[^/]]*//'`" = "/usr/ucb/cc" ; then
2283 test -d /opt/SUNWspro/bin && could_use="/opt/SUNWspro/bin"
2284 if test -d /opt/cygnus/bin ; then
2285 if test "$could_use" = "" ; then
2286 could_use="/opt/cygnus/bin"
2288 could_use="$could_use or /opt/cygnus/bin"
2291 if test "$could_use" = "" ; then
2292 echo "Warning: compilation may fail because you're using"
2293 echo "/usr/ucb/cc. You should change your PATH or CC "
2294 echo "variable and rerun configure."
2296 echo "Warning: compilation may fail because you're using"
2297 echo "/usr/ucb/cc, when you should use the C compiler from"
2298 echo "$could_use. You should change your"
2299 echo "PATH or CC variable and rerun configure."
2305 # Decide which environment variable is used to find dynamic libraries.
2307 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
2308 *-*-darwin*) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;;
2309 *-*-mingw* | *-*-cygwin ) RPATH_ENVVAR=PATH ;;
2310 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
2313 # On systems where the dynamic library environment variable is PATH,
2314 # gcc/ will put dynamic libraries into a subdirectory to avoid adding
2315 # built executables to PATH.
2316 if test "$RPATH_ENVVAR" = PATH; then
2317 GCC_SHLIB_SUBDIR=/shlib
2322 # Record target_configdirs and the configure arguments for target and
2323 # build configuration in Makefile.
2324 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
2325 build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
2327 # If we are building libgomp, bootstrap it.
2328 if echo " ${target_configdirs} " | grep " libgomp " > /dev/null 2>&1 ; then
2329 bootstrap_target_libs=${bootstrap_target_libs}target-libgomp,
2332 # Determine whether gdb needs tk/tcl or not.
2333 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
2334 # and in that case we want gdb to be built without tk. Ugh!
2335 # In fact I believe gdb is the *only* package directly dependent on tk,
2336 # so we should be able to put the 'maybe's in unconditionally and
2337 # leave out the maybe dependencies when enable_gdbtk is false. I'm not
2338 # 100% sure that that's safe though.
2340 gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
2341 case "$enable_gdbtk" in
2345 GDB_TK="${gdb_tk}" ;;
2347 # Only add the dependency on gdbtk when GDBtk is part of the gdb
2348 # distro. Eventually someone will fix this and move Insight, nee
2349 # gdbtk to a separate directory.
2350 if test -d ${srcdir}/gdb/gdbtk ; then
2357 CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g`
2358 INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g`
2360 # Strip out unwanted targets.
2362 # While at that, we remove Makefiles if we were started for recursive
2363 # configuration, so that the top-level Makefile reconfigures them,
2364 # like we used to do when configure itself was recursive.
2366 # Loop over modules. We used to use the "$extrasub" feature from Autoconf
2367 # but now we're fixing up the Makefile ourselves with the additional
2368 # commands passed to AC_CONFIG_FILES. Use separate variables
2369 # extrasub-{build,host,target} not because there is any reason to split
2370 # the substitutions up that way, but only to remain below the limit of
2371 # 99 commands in a script, for HP-UX sed.
2372 # Do not nest @if/@endif pairs, because configure will not warn you at all.
2374 AC_ARG_ENABLE([bootstrap],
2375 [AS_HELP_STRING([--enable-bootstrap],
2376 [enable bootstrapping @<:@yes if native build@:>@])],,
2377 enable_bootstrap=default)
2379 # Issue errors and warnings for invalid/strange bootstrap combinations.
2380 case "$configdirs" in
2381 *gcc*) have_compiler=yes ;;
2382 *) have_compiler=no ;;
2385 case "$have_compiler:$host:$target:$enable_bootstrap" in
2388 # Default behavior. Enable bootstrap if we have a compiler
2389 # and we are in a native configuration.
2390 yes:$build:$build:default)
2391 enable_bootstrap=yes ;;
2394 enable_bootstrap=no ;;
2396 # We have a compiler and we are in a native configuration, bootstrap is ok
2397 yes:$build:$build:yes)
2400 # Other configurations, but we have a compiler. Assume the user knows
2403 AC_MSG_WARN([trying to bootstrap a cross compiler])
2406 # No compiler: if they passed --enable-bootstrap explicitly, fail
2408 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
2410 # Fail if wrong command line
2412 AC_MSG_ERROR([invalid option for --enable-bootstrap])
2416 case ",$enable_languages,:$ENABLE_BUILD_WITH_CXX:$enable_bootstrap" in
2419 AC_MSG_ERROR([bootstrapping with --enable-build-with-cxx requires c++ in --enable-languages])
2423 case "$enable_bootstrap:$ENABLE_GOLD: $configdirs :,$stage1_languages," in
2424 yes:yes:*\ gold\ *:*,c++,*) ;;
2425 yes:yes:*\ gold\ *:*)
2426 AC_MSG_ERROR([in a combined tree, bootstrapping with --enable-gold requires c++ in stage1_languages])
2430 # Adjust the toplevel makefile according to whether bootstrap was selected.
2431 case $enable_bootstrap in
2433 bootstrap_suffix=bootstrap
2434 BUILD_CONFIG=bootstrap-debug
2437 bootstrap_suffix=no-bootstrap
2442 AC_MSG_CHECKING(for default BUILD_CONFIG)
2444 AC_ARG_WITH([build-config],
2445 [AS_HELP_STRING([--with-build-config='NAME NAME2...'],
2446 [use config/NAME.mk build configuration])],
2447 [case $with_build_config in
2448 yes) with_build_config= ;;
2449 no) with_build_config= BUILD_CONFIG= ;;
2452 if test "x${with_build_config}" != x; then
2453 BUILD_CONFIG=$with_build_config
2455 case $BUILD_CONFIG in
2457 if echo "int f (void) { return 0; }" > conftest.c &&
2458 ${CC} -c conftest.c &&
2459 mv conftest.o conftest.o.g0 &&
2460 ${CC} -c -g conftest.c &&
2461 mv conftest.o conftest.o.g &&
2462 ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g > /dev/null 2>&1; then
2467 rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g
2471 AC_MSG_RESULT($BUILD_CONFIG)
2472 AC_SUBST(BUILD_CONFIG)
2475 for module in ${build_configdirs} ; do
2476 if test -z "${no_recursion}" \
2477 && test -f ${build_subdir}/${module}/Makefile; then
2478 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
2479 rm -f ${build_subdir}/${module}/Makefile
2481 extrasub_build="$extrasub_build
2482 /^@if build-$module\$/d
2483 /^@endif build-$module\$/d
2484 /^@if build-$module-$bootstrap_suffix\$/d
2485 /^@endif build-$module-$bootstrap_suffix\$/d"
2488 for module in ${configdirs} ; do
2489 if test -z "${no_recursion}"; then
2490 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do
2491 if test -f ${file}; then
2492 echo 1>&2 "*** removing ${file} to force reconfigure"
2497 extrasub_host="$extrasub_host
2499 /^@endif $module\$/d
2500 /^@if $module-$bootstrap_suffix\$/d
2501 /^@endif $module-$bootstrap_suffix\$/d"
2504 for module in ${target_configdirs} ; do
2505 if test -z "${no_recursion}" \
2506 && test -f ${target_subdir}/${module}/Makefile; then
2507 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
2508 rm -f ${target_subdir}/${module}/Makefile
2511 # We only bootstrap target libraries listed in bootstrap_target_libs.
2512 case $bootstrap_target_libs in
2513 *,target-$module,*) target_bootstrap_suffix=$bootstrap_suffix ;;
2514 *) target_bootstrap_suffix=no-bootstrap ;;
2517 extrasub_target="$extrasub_target
2518 /^@if target-$module\$/d
2519 /^@endif target-$module\$/d
2520 /^@if target-$module-$target_bootstrap_suffix\$/d
2521 /^@endif target-$module-$target_bootstrap_suffix\$/d"
2524 # Do the final fixup along with target modules.
2525 extrasub_target="$extrasub_target
2526 /^@if /,/^@endif /d"
2528 # Create the serialization dependencies. This uses a temporary file.
2530 AC_ARG_ENABLE([serial-configure],
2531 [AS_HELP_STRING([[--enable-serial-[{host,target,build}-]configure]],
2532 [force sequential configuration of
2533 sub-packages for the host, target or build
2534 machine, or all sub-packages])])
2536 case ${enable_serial_configure} in
2538 enable_serial_build_configure=yes
2539 enable_serial_host_configure=yes
2540 enable_serial_target_configure=yes
2544 # These force 'configure's to be done one at a time, to avoid problems
2545 # with contention over a shared config.cache.
2547 echo '# serdep.tmp' > serdep.tmp
2549 test "x${enable_serial_build_configure}" = xyes &&
2550 for item in ${build_configdirs} ; do
2553 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
2558 test "x${enable_serial_host_configure}" = xyes &&
2559 for item in ${configdirs} ; do
2562 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
2567 test "x${enable_serial_target_configure}" = xyes &&
2568 for item in ${target_configdirs} ; do
2571 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
2575 serialization_dependencies=serdep.tmp
2576 AC_SUBST_FILE(serialization_dependencies)
2578 # Base args. Strip norecursion, cache-file, srcdir, host, build,
2579 # target, nonopt, and variable assignments. These are the ones we
2580 # might not want to pass down to subconfigures. The exception being
2581 # --cache-file=/dev/null, which is used to turn off the use of cache
2582 # files altogether, and which should be passed on to subconfigures.
2583 # Also strip program-prefix, program-suffix, and program-transform-name,
2584 # so that we can pass down a consistent program-transform-name.
2589 eval "set -- $ac_configure_args"
2592 if test X"$skip_next" = X"yes"; then
2596 if test X"$keep_next" = X"yes"; then
2599 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2601 baseargs="$baseargs '$ac_arg'"
2602 tbaseargs="$tbaseargs '$ac_arg'"
2607 # Handle separated arguments. Based on the logic generated by
2610 *=* | --config-cache | -C | -disable-* | --disable-* \
2611 | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \
2612 | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \
2613 | -with-* | --with-* | -without-* | --without-* | --x)
2627 --with-* | --without-*)
2628 libopt=`echo "$ac_arg" | sed -e 's,^--[^-_]*[-_],,' -e 's,=.*$,,'`
2632 lib=`echo "$libopt" | sed 's,[-_]include$,,'`
2635 lib=`echo "$libopt" | sed 's,[-_]lib$,,'`
2644 mpc | mpfr | gmp | ppl | cloog)
2645 # If we're processing --with-$lib, --with-$lib-include or
2646 # --with-$lib-lib, for one of the libs above, and target is
2647 # different from host, don't pass the current argument to any
2648 # target library's configure.
2649 if test x$is_cross_compiler = xyes; then
2658 --cache-file=/dev/null | \
2659 -cache-file=/dev/null )
2660 # Handled here to avoid the test to skip args below.
2661 baseargs="$baseargs '$ac_arg'"
2662 tbaseargs="$tbaseargs '$ac_arg'"
2663 # Assert: $separate_arg should always be no.
2664 keep_next=$separate_arg
2680 -program-prefix* | \
2681 -program-suffix* | \
2682 -program-transform-name* )
2683 skip_next=$separate_arg
2687 # An option. Add it.
2690 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2692 baseargs="$baseargs '$ac_arg'"
2693 if test X"$skip_targ" = Xno; then
2694 tbaseargs="$tbaseargs '$ac_arg'"
2696 keep_next=$separate_arg
2699 # Either a variable assignment, or a nonopt (triplet). Don't
2700 # pass it down; let the Makefile handle this.
2705 # Remove the initial space we just introduced and, as these will be
2706 # expanded by make, quote '$'.
2707 baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
2709 # Add in --program-transform-name, after --program-prefix and
2710 # --program-suffix have been applied to it. Autoconf has already
2711 # doubled dollar signs and backslashes in program_transform_name; we want
2712 # the backslashes un-doubled, and then the entire thing wrapped in single
2713 # quotes, because this will be expanded first by make and then by the shell.
2714 # Also, because we want to override the logic in subdir configure scripts to
2715 # choose program_transform_name, replace any s,x,x, with s,y,y,.
2716 sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
2717 ${program_transform_name}
2719 gcc_transform_name=`cat conftestsed.out`
2720 rm -f conftestsed.out
2721 baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
2722 tbaseargs="$tbaseargs --program-transform-name='${gcc_transform_name}'"
2723 if test "$silent" = yes; then
2724 baseargs="$baseargs --silent"
2725 tbaseargs="$tbaseargs --silent"
2727 baseargs="$baseargs --disable-option-checking"
2728 tbaseargs="$tbaseargs --disable-option-checking"
2730 # Record and document user additions to sub configure arguments.
2731 AC_ARG_VAR([build_configargs],
2732 [additional configure arguments for build directories])
2733 AC_ARG_VAR([host_configargs],
2734 [additional configure arguments for host directories])
2735 AC_ARG_VAR([target_configargs],
2736 [additional configure arguments for target directories])
2738 # For the build-side libraries, we just need to pretend we're native,
2739 # and not use the same cache file. Multilibs are neither needed nor
2741 build_configargs="$build_configargs --cache-file=../config.cache ${baseargs}"
2743 # For host modules, accept cache file option, or specification as blank.
2744 case "${cache_file}" in
2746 cache_file_option="" ;;
2747 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
2748 cache_file_option="--cache-file=${cache_file}" ;;
2750 cache_file_option="--cache-file=../${cache_file}" ;;
2753 # Host dirs don't like to share a cache file either, horribly enough.
2754 # This seems to be due to autoconf 2.5x stupidity.
2755 host_configargs="$host_configargs --cache-file=./config.cache ${extra_host_args} ${baseargs}"
2757 target_configargs="$target_configargs ${tbaseargs}"
2759 # Passing a --with-cross-host argument lets the target libraries know
2760 # whether they are being built with a cross-compiler or being built
2761 # native. However, it would be better to use other mechanisms to make the
2762 # sorts of decisions they want to make on this basis. Please consider
2763 # this option to be deprecated. FIXME.
2764 if test x${is_cross_compiler} = xyes ; then
2765 target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}"
2768 # Default to --enable-multilib.
2769 if test x${enable_multilib} = x ; then
2770 target_configargs="--enable-multilib ${target_configargs}"
2773 # Pass --with-newlib if appropriate. Note that target_configdirs has
2774 # changed from the earlier setting of with_newlib.
2775 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
2776 target_configargs="--with-newlib ${target_configargs}"
2779 # Different target subdirs use different values of certain variables
2780 # (notably CXX). Worse, multilibs use *lots* of different values.
2781 # Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
2782 # it doesn't automatically accept command-line overrides of them.
2783 # This means it's not safe for target subdirs to share a cache file,
2784 # which is disgusting, but there you have it. Hopefully this can be
2785 # fixed in future. It's still worthwhile to use a cache file for each
2786 # directory. I think.
2788 # Pass the appropriate --build, --host, --target and --cache-file arguments.
2789 # We need to pass --target, as newer autoconf's requires consistency
2790 # for target_alias and gcc doesn't manage it consistently.
2791 target_configargs="--cache-file=./config.cache ${target_configargs}"
2794 case " $target_configdirs " in
2796 case " $target_configargs " in
2797 *" --with-newlib "*)
2800 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 $$s/winsup/w32api/include'
2804 # If we're not building GCC, don't discard standard headers.
2805 if test -d ${srcdir}/gcc; then
2806 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
2808 if test "${build}" != "${host}"; then
2809 # On Canadian crosses, CC_FOR_TARGET will have already been set
2810 # by `configure', so we won't have an opportunity to add -Bgcc/
2811 # to it. This is right: we don't want to search that directory
2812 # for binaries, but we want the header files in there, so add
2814 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include -isystem $$r/$(HOST_SUBDIR)/gcc/include-fixed'
2816 # Someone might think of using the pre-installed headers on
2817 # Canadian crosses, in case the installed compiler is not fully
2818 # compatible with the compiler being built. In this case, it
2819 # would be better to flag an error than risking having
2820 # incompatible object files being constructed. We can't
2821 # guarantee that an error will be flagged, but let's hope the
2822 # compiler will do it, when presented with incompatible header
2827 case "${target}-${is_cross_compiler}" in
2828 i[[3456789]]86-*-linux*-no)
2829 # Here host == target, so we don't need to build gcc,
2830 # so we don't want to discard standard headers.
2831 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
2834 # If we're building newlib, use its generic headers last, but search
2835 # for any libc-related directories first (so make it the last -B
2837 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
2839 # If we're building libgloss, find the startup file, simulator library
2840 # and linker script.
2841 case " $target_configdirs " in
2843 # Look for startup file, simulator library and maybe linker script.
2844 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/'"$libgloss_dir"
2845 # Look for libnosys.a in case the target needs it.
2846 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys'
2847 # Most targets have the linker script in the source directory.
2848 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$s/libgloss/'"$libgloss_dir"
2859 x86_64-*mingw* | *-w64-mingw*)
2860 # MinGW-w64 does not use newlib, nor does it use winsup. It may,
2861 # however, use a symlink named 'mingw' in ${prefix} .
2862 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L${prefix}/${target}/lib -L${prefix}/mingw/lib -isystem ${prefix}/${target}/include -isystem ${prefix}/mingw/include'
2865 # MinGW can't be handled as Cygwin above since it does not use newlib.
2866 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/mingw -L$$r/$(TARGET_SUBDIR)/winsup/w32api/lib -isystem $$s/winsup/mingw/include -isystem $$s/winsup/w32api/include'
2870 # Allow the user to override the flags for
2871 # our build compiler if desired.
2872 if test x"${build}" = x"${host}" ; then
2873 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
2874 CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}}
2875 LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}}
2878 # On Canadian crosses, we'll be searching the right directories for
2879 # the previously-installed cross compiler, so don't bother to add
2880 # flags for directories within the install tree of the compiler
2881 # being built; programs in there won't even run.
2882 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
2883 # Search for pre-installed headers if nothing else fits.
2884 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
2887 if test "x${use_gnu_ld}" = x &&
2888 echo " ${configdirs} " | grep " ld " > /dev/null ; then
2889 # Arrange for us to find uninstalled linker scripts.
2890 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld'
2893 # Search for other target-specific linker scripts and such.
2896 FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary"
2900 # Makefile fragments.
2901 for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
2903 eval fragval=\$$frag
2904 if test $fragval != /dev/null; then
2905 eval $frag=${srcdir}/$fragval
2908 AC_SUBST_FILE(host_makefile_frag)
2909 AC_SUBST_FILE(target_makefile_frag)
2910 AC_SUBST_FILE(alphaieee_frag)
2911 AC_SUBST_FILE(ospace_frag)
2913 # Miscellanea: directories, flags, etc.
2914 AC_SUBST(RPATH_ENVVAR)
2915 AC_SUBST(GCC_SHLIB_SUBDIR)
2917 AC_SUBST(build_tooldir)
2918 AC_SUBST(CONFIGURE_GDB_TK)
2920 AC_SUBST(INSTALL_GDB_TK)
2922 # Build module lists & subconfigure args.
2923 AC_SUBST(build_configargs)
2924 AC_SUBST(build_configdirs)
2926 # Host module lists & subconfigure args.
2927 AC_SUBST(host_configargs)
2928 AC_SUBST(configdirs)
2929 AC_SUBST(target_configdirs)
2931 # Target module lists & subconfigure args.
2932 AC_SUBST(target_configargs)
2936 AC_SUBST(AR_FOR_BUILD)
2937 AC_SUBST(AS_FOR_BUILD)
2938 AC_SUBST(CC_FOR_BUILD)
2939 AC_SUBST(CFLAGS_FOR_BUILD)
2940 AC_SUBST(CXXFLAGS_FOR_BUILD)
2941 AC_SUBST(CXX_FOR_BUILD)
2942 AC_SUBST(DLLTOOL_FOR_BUILD)
2943 AC_SUBST(GCJ_FOR_BUILD)
2944 AC_SUBST(GFORTRAN_FOR_BUILD)
2945 AC_SUBST(GOC_FOR_BUILD)
2946 AC_SUBST(LDFLAGS_FOR_BUILD)
2947 AC_SUBST(LD_FOR_BUILD)
2948 AC_SUBST(NM_FOR_BUILD)
2949 AC_SUBST(RANLIB_FOR_BUILD)
2950 AC_SUBST(WINDMC_FOR_BUILD)
2951 AC_SUBST(WINDRES_FOR_BUILD)
2953 # Generate default definitions for YACC, M4, LEX and other programs that run
2954 # on the build machine. These are used if the Makefile can't locate these
2955 # programs in objdir.
2956 MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
2958 AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
2959 case " $build_configdirs " in
2960 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;;
2961 *" byacc "*) YACC='$$r/$(BUILD_SUBDIR)/byacc/byacc' ;;
2964 AC_CHECK_PROGS([BISON], [bison], [$MISSING bison])
2965 case " $build_configdirs " in
2966 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;;
2969 AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4])
2970 case " $build_configdirs " in
2971 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;;
2974 AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex])
2975 case " $build_configdirs " in
2976 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
2977 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;;
2980 AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex])
2981 case " $build_configdirs " in
2982 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
2985 AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo])
2986 case " $build_configdirs " in
2987 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;;
2990 # For an installed makeinfo, we require it to be from texinfo 4.7 or
2991 # higher, else we use the "missing" dummy.
2992 if ${MAKEINFO} --version \
2993 | egrep 'texinfo[^0-9]*(4\.([7-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then
2996 MAKEINFO="$MISSING makeinfo"
3002 # FIXME: expect and dejagnu may become build tools?
3004 AC_CHECK_PROGS(EXPECT, expect, expect)
3005 case " $configdirs " in
3007 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect'
3011 AC_CHECK_PROGS(RUNTEST, runtest, runtest)
3012 case " $configdirs " in
3014 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest'
3020 NCN_STRICT_CHECK_TOOLS(AR, ar)
3021 NCN_STRICT_CHECK_TOOLS(AS, as)
3022 NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool)
3023 NCN_STRICT_CHECK_TOOLS(LD, ld)
3024 NCN_STRICT_CHECK_TOOLS(LIPO, lipo)
3025 NCN_STRICT_CHECK_TOOLS(NM, nm)
3026 NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, true)
3027 NCN_STRICT_CHECK_TOOLS(STRIP, strip, true)
3028 NCN_STRICT_CHECK_TOOLS(WINDRES, windres)
3029 NCN_STRICT_CHECK_TOOLS(WINDMC, windmc)
3030 NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy)
3031 NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump)
3038 AC_ARG_WITH([build-time-tools],
3039 [AS_HELP_STRING([--with-build-time-tools=PATH],
3040 [use given path to find target tools during the build])],
3041 [case x"$withval" in
3044 with_build_time_tools=
3045 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path])
3048 [with_build_time_tools=])
3050 NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc)
3051 NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx)
3052 NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET})
3053 NCN_STRICT_CHECK_TARGET_TOOLS(GCJ_FOR_TARGET, gcj)
3054 NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran)
3055 NCN_STRICT_CHECK_TARGET_TOOLS(GOC_FOR_TARGET, gccgo)
3057 ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar)
3058 ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as)
3059 ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
3060 ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld)
3061 ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo)
3062 ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm)
3063 ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump)
3064 ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib)
3065 ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip)
3066 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
3067 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc)
3069 RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET"
3071 GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar])
3072 GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new])
3073 GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3074 dnl see comments for CXX_FOR_TARGET_FLAG_TO_PASS
3075 GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX,
3076 [gcc/g++ -B$$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],
3078 GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX,
3079 [gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs],
3081 GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool])
3082 GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3083 GCC_TARGET_TOOL(gcj, GCJ_FOR_TARGET, GCJ,
3084 [gcc/gcj -B$$r/$(HOST_SUBDIR)/gcc/], java)
3085 GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN,
3086 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran)
3087 GCC_TARGET_TOOL(gccgo, GOC_FOR_TARGET, GOC,
3088 [gcc/gccgo -B$$r/$(HOST_SUBDIR)/gcc/], go)
3089 GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new])
3090 GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO)
3091 GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new])
3092 GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump])
3093 GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib])
3094 GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip-new])
3095 GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres])
3096 GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc])
3098 AC_SUBST(FLAGS_FOR_TARGET)
3099 AC_SUBST(RAW_CXX_FOR_TARGET)
3101 # Certain tools may need extra flags.
3102 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
3103 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
3104 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
3106 # When building target libraries, except in a Canadian cross, we use
3107 # the same toolchain as the compiler we just built.
3108 COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)'
3109 COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)'
3110 COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)'
3111 if test $host = $build; then
3112 case " $configdirs " in
3114 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as'
3115 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld'
3116 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target}
3121 AC_SUBST(COMPILER_AS_FOR_TARGET)
3122 AC_SUBST(COMPILER_LD_FOR_TARGET)
3123 AC_SUBST(COMPILER_NM_FOR_TARGET)
3125 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
3126 AC_ARG_ENABLE(maintainer-mode,
3127 [AS_HELP_STRING([--enable-maintainer-mode],
3128 [enable make rules and dependencies not useful
3129 (and sometimes confusing) to the casual installer])],
3130 USE_MAINTAINER_MODE=$enableval,
3131 USE_MAINTAINER_MODE=no)
3132 AC_MSG_RESULT($USE_MAINTAINER_MODE)
3133 AC_SUBST(MAINTAINER_MODE_TRUE)
3134 AC_SUBST(MAINTAINER_MODE_FALSE)
3135 if test "$USE_MAINTAINER_MODE" = yes; then
3136 MAINTAINER_MODE_TRUE=
3137 MAINTAINER_MODE_FALSE='#'
3139 MAINTAINER_MODE_TRUE='#'
3140 MAINTAINER_MODE_FALSE=
3142 MAINT=$MAINTAINER_MODE_TRUE
3145 # ---------------------
3146 # GCC bootstrap support
3147 # ---------------------
3149 # Stage specific cflags for build.
3154 yes) stage1_cflags="-g -Wa,-J" ;;
3155 *) stage1_cflags="-g -J" ;;
3159 # This is aimed to mimic bootstrap with a non-GCC compiler to catch problems.
3160 if test "$GCC" = yes -a "$ENABLE_BUILD_WITH_CXX" != yes; then
3161 saved_CFLAGS="$CFLAGS"
3163 # Pass -fkeep-inline-functions for stage 1 if the GCC version supports it.
3164 CFLAGS="$CFLAGS -fkeep-inline-functions"
3165 AC_MSG_CHECKING([whether -fkeep-inline-functions is supported])
3167 #if (__GNUC__ < 3) \
3168 || (__GNUC__ == 3 && (__GNUC_MINOR__ < 3 \
3169 || (__GNUC_MINOR__ == 3 && __GNUC_PATCHLEVEL__ < 1)))
3170 #error http://gcc.gnu.org/PR29382
3173 [AC_MSG_RESULT([yes]); stage1_cflags="$stage1_cflags -fkeep-inline-functions"],
3174 [AC_MSG_RESULT([no])])
3176 CFLAGS="$saved_CFLAGS"
3179 AC_SUBST(stage1_cflags)
3181 # Enable --enable-checking in stage1 of the compiler.
3182 AC_ARG_ENABLE(stage1-checking,
3183 [AS_HELP_STRING([[--enable-stage1-checking[=all]]],
3184 [choose additional checking for stage1 of the compiler])],
3185 [stage1_checking=--enable-checking=${enable_stage1_checking}],
3186 [if test "x$enable_checking" = xno || test "x$enable_checking" = x; then
3187 stage1_checking=--enable-checking=yes,types
3189 stage1_checking=--enable-checking=$enable_checking,types
3191 AC_SUBST(stage1_checking)
3193 # Enable -Werror in bootstrap stage2 and later.
3194 AC_ARG_ENABLE(werror,
3195 [AS_HELP_STRING([--enable-werror],
3196 [enable -Werror in bootstrap stage2 and later])], [],
3197 [if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then
3202 case ${enable_werror} in
3203 yes) stage2_werror_flag="--enable-werror-always" ;;
3204 *) stage2_werror_flag="" ;;
3206 AC_SUBST(stage2_werror_flag)
3208 # Specify what files to not compare during bootstrap.
3210 compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*"
3212 hppa*64*-*-hpux*) ;;
3213 hppa*-*-hpux*) compare_exclusions="gcc/cc*-checksum\$(objext) | */libgcc/lib2funcs* | gcc/ada/*tools/*" ;;
3215 case " $configdirs " in
3216 *" ppl "*) compare_exclusions="$compare_exclusions | ppl/src/ppl-config.o" ;;
3218 AC_SUBST(compare_exclusions)
3220 AC_CONFIG_FILES([Makefile],
3221 [sed "$extrasub_build" Makefile |
3222 sed "$extrasub_host" |
3223 sed "$extrasub_target" > mf$$
3224 mv -f mf$$ Makefile],
3225 [extrasub_build="$extrasub_build"
3226 extrasub_host="$extrasub_host"
3227 extrasub_target="$extrasub_target"])