1 # Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
2 # 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
3 # Free Software Foundation, Inc.
5 # This file is free software; you can redistribute it and/or modify it
6 # under the terms of the GNU General Public License as published by
7 # the Free Software Foundation; either version 3 of the License, or
8 # (at your option) any later version.
10 # This program is distributed in the hope that it will be useful, but
11 # WITHOUT ANY WARRANTY; without even the implied warranty of
12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 # General Public License for more details.
15 # You should have received a copy of the GNU General Public License
16 # along with this program; see the file COPYING3. If not see
17 # <http://www.gnu.org/licenses/>.
19 ##############################################################################
20 ### WARNING: this file contains embedded tabs. Do not run untabify on this file.
22 m4_include(config/acx.m4)
23 m4_include(config/override.m4)
24 m4_include(config/proginstall.m4)
25 m4_include(config/elf.m4)
26 m4_include([libtool.m4])
27 m4_include([ltoptions.m4])
28 m4_include([ltsugar.m4])
29 m4_include([ltversion.m4])
30 m4_include([lt~obsolete.m4])
31 m4_include([config/cloog.m4])
33 AC_INIT(move-if-change)
35 AC_DISABLE_OPTION_CHECKING
38 # if PWD already has a value, it is probably wrong.
39 if test -n "$PWD" ; then PWD=`${PWDCMD-pwd}`; fi
41 # Export original configure arguments for use by sub-configures.
42 # Quote arguments with shell meta charatcers.
43 TOPLEVEL_CONFIGURE_ARGUMENTS=
44 set -- "$progname" "$@"
48 *" "*|*" "*|*[[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?\']]*)
49 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"`
50 # if the argument is of the form -foo=baz, quote the baz part only
51 ac_arg=`echo "'$ac_arg'" | sed "s/^'\([[-a-zA-Z0-9]]*=\)/\\1'/"` ;;
54 # Add the quoted argument to the list.
55 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS $ac_arg"
57 if test "$silent" = yes; then
58 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS --silent"
60 # Remove the initial space we just introduced and, as these will be
61 # expanded by make, quote '$'.
62 TOPLEVEL_CONFIGURE_ARGUMENTS=`echo "x$TOPLEVEL_CONFIGURE_ARGUMENTS" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
63 AC_SUBST(TOPLEVEL_CONFIGURE_ARGUMENTS)
65 # Find the build, host, and target systems.
66 ACX_NONCANONICAL_BUILD
68 ACX_NONCANONICAL_TARGET
70 dnl Autoconf 2.5x and later will set a default program prefix if
71 dnl --target was used, even if it was the same as --host. Disable
72 dnl that behavior. This must be done before AC_CANONICAL_SYSTEM
74 test "$host_noncanonical" = "$target_noncanonical" &&
75 test "$program_prefix$program_suffix$program_transform_name" = \
77 program_transform_name=s,y,y,
82 m4_pattern_allow([^AS_FOR_TARGET$])dnl
83 m4_pattern_allow([^AS_FOR_BUILD$])dnl
85 # Get 'install' or 'install-sh' and its variants.
92 srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}`
94 # We pass INSTALL explicitly to sub-makes. Make sure that it is not
96 if test "$INSTALL" = "${srcdir}/install-sh -c"; then
97 INSTALL="${srcpwd}/install-sh -c"
100 # Set srcdir to "." if that's what it is.
101 # This is important for multilib support.
103 if test "${pwd}" = "${srcpwd}" ; then
111 ### To add a new directory to the tree, first choose whether it is a target
112 ### or a host dependent tool. Then put it into the appropriate list
113 ### (library or tools, host or target), doing a dependency sort.
115 # Subdirs will be configured in the order listed in build_configdirs,
116 # configdirs, or target_configdirs; see the serialization section below.
118 # Dependency sorting is only needed when *configuration* must be done in
119 # a particular order. In all cases a dependency should be specified in
120 # the Makefile, whether or not it's implicitly specified here.
122 # Double entries in build_configdirs, configdirs, or target_configdirs may
123 # cause circular dependencies and break everything horribly.
125 # these library is used by various programs built for the build
128 build_libs="build-libiberty"
130 # these tools are built for the build environment
131 build_tools="build-texinfo build-flex build-bison build-m4 build-fixincludes"
133 # these libraries are used by various programs built for the host environment
135 host_libs="intl libiberty opcodes bfd readline tcl tk itcl libgui zlib libcpp libdecnumber gmp mpfr mpc ppl cloog libelf libiconv"
137 # these tools are built for the host environment
138 # Note, the powerpc-eabi build depends on sim occurring before gdb in order to
139 # know that we are building the simulator.
140 # binutils, gas and ld appear in that order because it makes sense to run
141 # "make check" in that particular order.
142 # If --enable-gold is used, "gold" may replace "ld".
143 host_tools="texinfo flex bison binutils gas ld fixincludes gcc cgen sid sim gdb gprof etc expect dejagnu m4 utils guile fastjar gnattools"
145 # libgcj represents the runtime libraries only used by gcj.
146 libgcj="target-libffi \
150 # these libraries are built for the target environment, and are built after
151 # the host libraries and the host tools (which may be a cross compiler)
153 target_libraries="target-libgcc \
158 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-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
453 # Disable for Cray catamount machine
454 noconfigdirs="$noconfigdirs target-libmudflap"
457 # Disable for Cray XT CNL machine
458 noconfigdirs="$noconfigdirs target-libmudflap"
460 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | bfin*-*-uclinux* | *-*-kopensolaris*-gnu)
461 # Enable libmudflap by default in GNU and friends.
464 # Enable libmudflap by default in FreeBSD.
467 # Disable it by default everywhere else.
468 noconfigdirs="$noconfigdirs target-libmudflap"
473 # Disable libgomp on non POSIX hosted systems.
474 if test x$enable_libgomp = x ; then
475 # Enable libgomp by default on hosted POSIX systems.
477 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
479 *-*-netbsd* | *-*-freebsd* | *-*-openbsd* | *-*-dragonfly*)
481 *-*-solaris2* | *-*-irix6* | *-*-osf* | *-*-hpux11*)
483 *-*-darwin* | *-*-aix*)
486 noconfigdirs="$noconfigdirs target-libgomp"
491 # Disable libssp for some systems.
494 # No hosted I/O support.
495 noconfigdirs="$noconfigdirs target-libssp"
497 powerpc-*-aix* | rs6000-*-aix*)
498 noconfigdirs="$noconfigdirs target-libssp"
502 # Disable target libiberty for some systems.
505 # Remove unsupported stuff on all kaOS configurations.
506 skipdirs="target-libiberty"
509 # Skip some stuff on all NetBSD configurations.
510 noconfigdirs="$noconfigdirs target-libiberty"
513 noconfigdirs="$noconfigdirs target-libiberty"
516 skipdirs="${skipdirs} target-libiberty"
519 noconfigdirs="$noconfigdirs target-libiberty"
522 noconfigdirs="$noconfigdirs target-libiberty"
524 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
525 noconfigdirs="$noconfigdirs target-libiberty"
528 noconfigdirs="$noconfigdirs target-libiberty"
531 noconfigdirs="$noconfigdirs target-libiberty"
533 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
534 noconfigdirs="$noconfigdirs target-libiberty"
537 noconfigdirs="$noconfigdirs target-libiberty"
540 skipdirs="$skipdirs target-libiberty"
543 noconfigdirs="$noconfigdirs target-libiberty"
547 # Disable libstdc++-v3 for some systems.
550 # VxWorks uses the Dinkumware C++ library.
551 noconfigdirs="$noconfigdirs target-libstdc++-v3"
554 # the C++ libraries don't build on top of CE's C libraries
555 noconfigdirs="$noconfigdirs target-libstdc++-v3"
558 noconfigdirs="$noconfigdirs target-libstdc++-v3"
562 # Disable Fortran for some systems.
565 # See <http://gcc.gnu.org/ml/gcc-patches/2004-11/msg00572.html>.
566 unsupported_languages="$unsupported_languages fortran"
570 # Default libgloss CPU subdirectory.
571 libgloss_dir="$target_cpu"
575 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
578 noconfigdirs="$noconfigdirs ld gas gdb gprof"
579 noconfigdirs="$noconfigdirs sim target-rda"
581 i[[3456789]]86-*-darwin*)
582 noconfigdirs="$noconfigdirs ld gprof"
583 noconfigdirs="$noconfigdirs sim target-rda"
585 x86_64-*-darwin[[912]]*)
586 noconfigdirs="$noconfigdirs ld gas gprof"
587 noconfigdirs="$noconfigdirs sim target-rda"
590 noconfigdirs="$noconfigdirs ld gas gdb gprof"
591 noconfigdirs="$noconfigdirs sim target-rda"
592 noconfigdirs="$noconfigdirs ${libgcj}"
595 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
598 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
599 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
600 && test -f /usr/local/include/gmp.h; then
604 # Skip some stuff that's unsupported on some FreeBSD configurations.
610 noconfigdirs="$noconfigdirs ${libgcj}"
615 # Remove unsupported stuff on all kaOS configurations.
616 noconfigdirs="$noconfigdirs target-libgloss"
619 # Skip some stuff on all NetBSD configurations.
620 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
622 # Skip some stuff that's unsupported on some NetBSD configurations.
624 i*86-*-netbsdelf*) ;;
625 arm*-*-netbsdelf*) ;;
627 noconfigdirs="$noconfigdirs ${libgcj}"
632 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
635 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
637 # The tpf target doesn't support gdb yet.
639 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj} gdb tcl tk libgui itcl"
642 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-rda ${libgcj}"
645 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
648 # ld works, but does not support shared libraries.
649 # newlib is not 64 bit ready.
650 # gas doesn't generate exception information.
651 noconfigdirs="$noconfigdirs gas ld target-newlib target-libgloss"
654 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
657 # newlib is not 64 bit ready
658 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
661 # newlib is not 64 bit ready
662 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
665 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
668 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
670 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
671 noconfigdirs="$noconfigdirs ${libgcj}"
672 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
673 noconfigdirs="$noconfigdirs target-newlib"
677 noconfigdirs="$noconfigdirs target-libgloss"
682 arm-*-elf* | arm*-*-eabi* )
683 noconfigdirs="$noconfigdirs target-libffi"
686 arm*-*-linux-gnueabi)
687 case ${with_newlib} in
688 no) noconfigdirs="$noconfigdirs target-newlib target-libgloss"
693 noconfigdirs="$noconfigdirs ${libgcj}"
697 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
700 noconfigdirs="$noconfigdirs ld target-libgloss"
703 noconfigdirs="$noconfigdirs ${libgcj}"
706 unsupported_languages="$unsupported_languages java"
707 noconfigdirs="$noconfigdirs target-boehm-gc"
710 noconfigdirs="$noconfigdirs target-libgloss"
713 noconfigdirs="$noconfigdirs target-libgloss gdb"
716 noconfigdirs="$noconfigdirs ${libgcj} gdb"
718 cris-*-* | crisv32-*-*)
719 unsupported_languages="$unsupported_languages java"
722 noconfigdirs="$noconfigdirs target-newlib target-libgloss";;
723 *) # See PR46792 regarding target-libffi.
724 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";;
729 noconfigdirs="$noconfigdirs target-libgloss"
732 noconfigdirs="$noconfigdirs gdb"
735 noconfigdirs="$noconfigdirs ${libgcj} gdb"
738 noconfigdirs="$noconfigdirs ${libgcj}"
741 noconfigdirs="$noconfigdirs ${libgcj}"
742 noconfigdirs="$noconfigdirs gprof"
745 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
748 noconfigdirs="$noconfigdirs target-libgloss"
750 hppa1.1-*-osf* | hppa1.1-*-bsd* )
753 # In this case, it's because the hppa64-linux target is for
754 # the kernel only at this point and has no libc, and thus no
755 # headers, crt*.o, etc., all of which are needed by these.
756 noconfigdirs="$noconfigdirs target-zlib"
764 noconfigdirs="$noconfigdirs ${libgcj}"
767 noconfigdirs="$noconfigdirs ld"
773 # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
774 # build on HP-UX 10.20.
775 noconfigdirs="$noconfigdirs ld ${libgcj}"
778 noconfigdirs="$noconfigdirs gdb"
781 # No gdb support yet.
782 noconfigdirs="$noconfigdirs readline libgui itcl gdb"
786 noconfigdirs="$noconfigdirs ${libgcj} libgui itcl ld"
789 # No gdb or ld support yet.
790 noconfigdirs="$noconfigdirs ${libgcj} readline libgui itcl gdb ld"
792 i[[3456789]]86-*-coff | i[[3456789]]86-*-elf)
793 noconfigdirs="$noconfigdirs ${libgcj}"
796 i[[3456789]]86-*-linux*)
797 # This section makes it possible to build newlib natively on linux.
798 # If we are using a cross compiler then don't configure newlib.
799 if test x${is_cross_compiler} != xno ; then
800 noconfigdirs="$noconfigdirs target-newlib"
802 noconfigdirs="$noconfigdirs target-libgloss"
803 # If we are not using a cross compiler, do configure newlib.
804 # Note however, that newlib will only be configured in this situation
805 # if the --with-newlib option has been given, because otherwise
806 # 'target-newlib' will appear in skipdirs.
808 i[[3456789]]86-w64-mingw*)
809 noconfigdirs="$noconfigdirs target-libgloss target-newlib ${libgcj}"
811 i[[3456789]]86-*-mingw*)
812 target_configdirs="$target_configdirs target-winsup"
813 noconfigdirs="$noconfigdirs target-libgloss target-newlib ${libgcj}"
816 noconfigdirs="$noconfigdirs target-libgloss target-newlib ${libgcj}"
819 target_configdirs="$target_configdirs target-libtermcap target-winsup"
820 noconfigdirs="$noconfigdirs target-libgloss"
821 # always build newlib if winsup directory is present.
822 if test -d "$srcdir/winsup/cygwin"; then
823 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
824 elif test -d "$srcdir/newlib"; then
825 echo "Warning: winsup/cygwin is missing so newlib can't be built."
828 i[[3456789]]86-*-interix* )
831 noconfigdirs="$noconfigdirs target-libgloss"
833 i[[3456789]]86-*-sco3.2v5*)
834 # The linker does not yet know about weak symbols in COFF,
835 # and is not configured to handle mixed ELF and COFF.
836 noconfigdirs="$noconfigdirs ld target-libgloss"
838 i[[3456789]]86-*-sco*)
839 noconfigdirs="$noconfigdirs gprof target-libgloss"
841 i[[3456789]]86-*-solaris2*)
842 noconfigdirs="$noconfigdirs target-libgloss"
844 i[[3456789]]86-*-sysv4*)
845 noconfigdirs="$noconfigdirs target-libgloss"
847 i[[3456789]]86-*-beos*)
848 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
850 i[[3456789]]86-*-rdos*)
851 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
854 noconfigdirs="$noconfigdirs ${libgcj}"
856 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
860 noconfigdirs="$noconfigdirs ${libgcj}"
866 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc gdb"
867 unsupported_languages="$unsupported_languages java"
870 noconfigdirs="$noconfigdirs sim"
873 # copied from rs6000-*-* entry
874 noconfigdirs="$noconfigdirs gprof target-libgloss target-newlib ${libgcj}"
876 powerpc*-*-winnt* | powerpc*-*-pe*)
877 target_configdirs="$target_configdirs target-winsup"
878 noconfigdirs="$noconfigdirs gdb tcl tk target-libgloss itcl"
879 # always build newlib.
880 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
882 # This is temporary until we can link against shared libraries
883 powerpcle-*-solaris*)
884 noconfigdirs="$noconfigdirs gdb sim tcl tk itcl"
888 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
891 noconfigdirs="$noconfigdirs ${libgcj}"
894 powerpc-*-eabi* | powerpcle-*-eabi* | powerpc-*-rtems* )
898 noconfigdirs="$noconfigdirs target-newlib gprof ${libgcj}"
901 noconfigdirs="$noconfigdirs gprof target-libgloss target-newlib ${libgcj}"
904 noconfigdirs="$noconfigdirs gprof ${libgcj}"
907 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss"
910 noconfigdirs="$noconfigdirs gprof ${libgcj}"
913 noconfigdirs="$noconfigdirs ${libgcj}"
914 if test x$with_newlib = xyes; then
915 noconfigdirs="$noconfigdirs gprof"
920 noconfigdirs="$noconfigdirs gprof target-libgloss"
923 # Linking libjava exceeds command-line length limits on at least
924 # IRIX 6.2, but not on IRIX 6.5.
925 # Also, boehm-gc won't build on IRIX 6.5, according to Jeffrey Oldham
926 # <oldham@codesourcery.com>
927 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
930 noconfigdirs="$noconfigdirs gprof target-libgloss"
933 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
936 noconfigdirs="$noconfigdirs gprof ${libgcj}"
942 noconfigdirs="$noconfigdirs ${libgcj}" ;;
944 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}" ;;
947 sparclet-*-aout* | sparc86x-*-*)
951 noconfigdirs="$noconfigdirs ${libgcj}"
954 noconfigdirs="$noconfigdirs ${libgcj}"
961 if test x${is_cross_compiler} != xno ; then
962 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
967 sparc-*-solaris* | sparc64-*-solaris* | sparcv9-*-solaris*)
970 noconfigdirs="$noconfigdirs gdb sim ${libgcj}"
973 noconfigdirs="$noconfigdirs bfd binutils gas gdb ld opcodes target-libgloss"
976 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
978 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
979 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
982 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
985 noconfigdirs="$noconfigdirs ${libgcj}"
989 # If we aren't building newlib, then don't build libgloss, since libgloss
990 # depends upon some newlib header files.
991 case "${noconfigdirs}" in
992 *target-libgloss*) ;;
993 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
996 # Work in distributions that contain no compiler tools, like Autoconf.
997 host_makefile_frag=/dev/null
998 if test -d ${srcdir}/config ; then
1000 i[[3456789]]86-*-msdosdjgpp*)
1001 host_makefile_frag="config/mh-djgpp"
1004 ACX_CHECK_CYGWIN_CAT_WORKS
1005 host_makefile_frag="config/mh-cygwin"
1008 host_makefile_frag="config/mh-mingw"
1011 host_makefile_frag="config/mh-interix"
1014 host_makefile_frag="config/mh-pa-hpux10"
1017 host_makefile_frag="config/mh-pa"
1020 host_makefile_frag="config/mh-pa"
1023 host_makefile_frag="config/mh-darwin"
1026 host_makefile_frag="config/mh-ppc-aix"
1029 host_makefile_frag="config/mh-ppc-aix"
1034 if test "${build}" != "${host}" ; then
1035 AR_FOR_BUILD=${AR_FOR_BUILD-ar}
1036 AS_FOR_BUILD=${AS_FOR_BUILD-as}
1037 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
1038 CXX_FOR_BUILD=${CXX_FOR_BUILD-g++}
1039 GCJ_FOR_BUILD=${GCJ_FOR_BUILD-gcj}
1040 GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran}
1041 GOC_FOR_BUILD=${GOC_FOR_BUILD-gccgo}
1042 DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool}
1043 LD_FOR_BUILD=${LD_FOR_BUILD-ld}
1044 NM_FOR_BUILD=${NM_FOR_BUILD-nm}
1045 RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib}
1046 WINDRES_FOR_BUILD=${WINDRES_FOR_BUILD-windres}
1047 WINDMC_FOR_BUILD=${WINDMC_FOR_BUILD-windmc}
1049 AR_FOR_BUILD="\$(AR)"
1050 AS_FOR_BUILD="\$(AS)"
1051 CC_FOR_BUILD="\$(CC)"
1052 CXX_FOR_BUILD="\$(CXX)"
1053 GCJ_FOR_BUILD="\$(GCJ)"
1054 GFORTRAN_FOR_BUILD="\$(GFORTRAN)"
1055 GOC_FOR_BUILD="\$(GOC)"
1056 DLLTOOL_FOR_BUILD="\$(DLLTOOL)"
1057 LD_FOR_BUILD="\$(LD)"
1058 NM_FOR_BUILD="\$(NM)"
1059 RANLIB_FOR_BUILD="\$(RANLIB)"
1060 WINDRES_FOR_BUILD="\$(WINDRES)"
1061 WINDMC_FOR_BUILD="\$(WINDMC)"
1067 # We must set the default linker to the linker used by gcc for the correct
1068 # operation of libtool. If LD is not defined and we are using gcc, try to
1069 # set the LD default to the ld used by gcc.
1070 if test -z "$LD"; then
1071 if test "$GCC" = yes; then
1074 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1076 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1078 case $gcc_prog_ld in
1079 # Accept absolute paths.
1080 [[\\/]* | [A-Za-z]:[\\/]*)]
1081 LD="$gcc_prog_ld" ;;
1087 ACX_PROG_CMP_IGNORE_INITIAL
1089 # See if we are building gcc with C++.
1090 AC_ARG_ENABLE(build-with-cxx,
1091 [AS_HELP_STRING([--enable-build-with-cxx],
1092 [build with C++ compiler instead of C compiler])],
1093 ENABLE_BUILD_WITH_CXX=$enableval,
1094 ENABLE_BUILD_WITH_CXX=no)
1096 # Used for setting $lt_cv_objdir
1099 # Check for GMP, MPFR and MPC
1100 gmplibs="-lmpc -lmpfr -lgmp"
1104 # Specify a location for mpc
1105 # check for this first so it ends up on the link line before mpfr.
1107 [AS_HELP_STRING([--with-mpc=PATH],
1108 [specify prefix directory for installed MPC package.
1109 Equivalent to --with-mpc-include=PATH/include
1110 plus --with-mpc-lib=PATH/lib])])
1111 AC_ARG_WITH(mpc-include,
1112 [AS_HELP_STRING([--with-mpc-include=PATH],
1113 [specify directory for installed MPC include files])])
1114 AC_ARG_WITH(mpc-lib,
1115 [AS_HELP_STRING([--with-mpc-lib=PATH],
1116 [specify directory for the installed MPC library])])
1118 if test "x$with_mpc" != x; then
1119 gmplibs="-L$with_mpc/lib $gmplibs"
1120 gmpinc="-I$with_mpc/include $gmpinc"
1122 if test "x$with_mpc_include" != x; then
1123 gmpinc="-I$with_mpc_include $gmpinc"
1125 if test "x$with_mpc_lib" != x; then
1126 gmplibs="-L$with_mpc_lib $gmplibs"
1128 if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then
1129 gmplibs='-L$$r/$(HOST_SUBDIR)/mpc/src/'"$lt_cv_objdir $gmplibs"
1130 gmpinc='-I$$s/mpc/src '"$gmpinc"
1131 # Do not test the mpc version. Assume that it is sufficient, since
1132 # it is in the source tree, and the library has not been built yet
1133 # but it would be included on the link line in the version check below
1134 # hence making the test fail.
1138 # Specify a location for mpfr
1139 # check for this first so it ends up on the link line before gmp.
1140 AC_ARG_WITH(mpfr-dir,
1141 [AS_HELP_STRING([--with-mpfr-dir=PATH], [this option has been REMOVED])],
1142 [AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed.
1143 Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH])])
1146 [AS_HELP_STRING([--with-mpfr=PATH],
1147 [specify prefix directory for installed MPFR package.
1148 Equivalent to --with-mpfr-include=PATH/include
1149 plus --with-mpfr-lib=PATH/lib])])
1150 AC_ARG_WITH(mpfr-include,
1151 [AS_HELP_STRING([--with-mpfr-include=PATH],
1152 [specify directory for installed MPFR include files])])
1153 AC_ARG_WITH(mpfr-lib,
1154 [AS_HELP_STRING([--with-mpfr-lib=PATH],
1155 [specify directory for the installed MPFR library])])
1157 if test "x$with_mpfr" != x; then
1158 gmplibs="-L$with_mpfr/lib $gmplibs"
1159 gmpinc="-I$with_mpfr/include $gmpinc"
1161 if test "x$with_mpfr_include" != x; then
1162 gmpinc="-I$with_mpfr_include $gmpinc"
1164 if test "x$with_mpfr_lib" != x; then
1165 gmplibs="-L$with_mpfr_lib $gmplibs"
1167 if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then
1168 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir $gmplibs"
1169 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr -I$$s/mpfr '"$gmpinc"
1170 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir"
1171 # Do not test the mpfr version. Assume that it is sufficient, since
1172 # it is in the source tree, and the library has not been built yet
1173 # but it would be included on the link line in the version check below
1174 # hence making the test fail.
1178 # Specify a location for gmp
1179 AC_ARG_WITH(gmp-dir,
1180 [AS_HELP_STRING([--with-gmp-dir=PATH], [this option has been REMOVED])],
1181 [AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed.
1182 Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH])])
1185 [AS_HELP_STRING([--with-gmp=PATH],
1186 [specify prefix directory for the installed GMP package.
1187 Equivalent to --with-gmp-include=PATH/include
1188 plus --with-gmp-lib=PATH/lib])])
1189 AC_ARG_WITH(gmp-include,
1190 [AS_HELP_STRING([--with-gmp-include=PATH],
1191 [specify directory for installed GMP include files])])
1192 AC_ARG_WITH(gmp-lib,
1193 [AS_HELP_STRING([--with-gmp-lib=PATH],
1194 [specify directory for the installed GMP library])])
1197 if test "x$with_gmp" != x; then
1198 gmplibs="-L$with_gmp/lib $gmplibs"
1199 gmpinc="-I$with_gmp/include $gmpinc"
1201 if test "x$with_gmp_include" != x; then
1202 gmpinc="-I$with_gmp_include $gmpinc"
1204 if test "x$with_gmp_lib" != x; then
1205 gmplibs="-L$with_gmp_lib $gmplibs"
1207 if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then
1208 gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir $gmplibs"
1209 gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc"
1210 extra_mpfr_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
1211 extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
1212 # Do not test the gmp version. Assume that it is sufficient, since
1213 # it is in the source tree, and the library has not been built yet
1214 # but it would be included on the link line in the version check below
1215 # hence making the test fail.
1219 if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then
1221 saved_CFLAGS="$CFLAGS"
1222 CFLAGS="$CFLAGS $gmpinc"
1223 # Check for the recommended and required versions of GMP.
1224 AC_MSG_CHECKING([for the correct version of gmp.h])
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(4,2,0)
1231 ], [AC_TRY_COMPILE([#include <gmp.h>],[
1232 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1233 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1234 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,3,2)
1237 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1238 [AC_MSG_RESULT([no]); have_gmp=no])
1240 # If we have GMP, check the MPFR version.
1241 if test x"$have_gmp" = xyes; then
1242 # Check for the recommended and required versions of MPFR.
1243 AC_MSG_CHECKING([for the correct version of mpfr.h])
1244 AC_TRY_COMPILE([#include <gmp.h>
1245 #include <mpfr.h>],[
1246 #if MPFR_VERSION < MPFR_VERSION_NUM(2,3,1)
1249 ], [AC_TRY_COMPILE([#include <gmp.h>
1250 #include <mpfr.h>],[
1251 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,2)
1254 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1255 [AC_MSG_RESULT([no]); have_gmp=no])
1258 # Check for the MPC header version.
1259 if test x"$have_gmp" = xyes ; then
1260 # Check for the recommended and required versions of MPC.
1261 AC_MSG_CHECKING([for the correct version of mpc.h])
1262 AC_TRY_COMPILE([#include <mpc.h>],[
1263 #if MPC_VERSION < MPC_VERSION_NUM(0,8,0)
1266 ], [AC_TRY_COMPILE([#include <mpc.h>],[
1267 #if MPC_VERSION < MPC_VERSION_NUM(0,8,1)
1270 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1271 [AC_MSG_RESULT([no]); have_gmp=no])
1274 # Now check the MPFR library.
1275 if test x"$have_gmp" = xyes; then
1277 LIBS="$LIBS $gmplibs"
1278 AC_MSG_CHECKING([for the correct version of the gmp/mpfr/mpc libraries])
1279 AC_TRY_LINK([#include <mpc.h>],[
1286 mpfr_atan2 (n, n, x, GMP_RNDN);
1287 mpfr_erfc (n, x, GMP_RNDN);
1288 mpfr_subnormalize (x, t, GMP_RNDN);
1292 mpc_set_ui_ui (c, 1, 1, MPC_RNDNN);
1293 mpc_cosh (c, c, MPC_RNDNN);
1294 mpc_pow (c, c, c, MPC_RNDNN);
1295 mpc_acosh (c, c, MPC_RNDNN);
1297 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1301 CFLAGS="$saved_CFLAGS"
1303 # The library versions listed in the error message below should match
1304 # the HARD-minimums enforced above.
1305 if test x$have_gmp != xyes; then
1306 AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 2.3.1+ and MPC 0.8.0+.
1307 Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify
1308 their locations. Source code for these libraries can be found at
1309 their respective hosting sites as well as at
1310 ftp://gcc.gnu.org/pub/gcc/infrastructure/. See also
1311 http://gcc.gnu.org/install/prerequisites.html for additional info. If
1312 you obtained GMP, MPFR and/or MPC from a vendor distribution package,
1313 make sure that you have installed both the libraries and the header
1314 files. They may be located in separate packages.])
1318 # Flags needed for both GMP, MPFR and/or MPC.
1321 AC_SUBST(extra_mpfr_configure_flags)
1322 AC_SUBST(extra_mpc_gmp_configure_flags)
1323 AC_SUBST(extra_mpc_mpfr_configure_flags)
1325 # Allow host libstdc++ to be specified for static linking with PPL.
1326 AC_ARG_WITH(host-libstdcxx,
1327 [AS_HELP_STRING([--with-host-libstdcxx=L],
1328 [use linker arguments L to link with libstdc++
1329 when linking with PPL])])
1331 case $with_host_libstdcxx in
1333 AC_MSG_ERROR([-with-host-libstdcxx needs an argument])
1337 # Linker flags to use for stage1 or when not boostrapping.
1338 AC_ARG_WITH(stage1-ldflags,
1339 [AS_HELP_STRING([--with-stage1-ldflags=FLAGS], [linker flags for stage1])],
1340 [if test "$withval" = "no" -o "$withval" = "yes"; then
1343 stage1_ldflags=$withval
1346 AC_SUBST(stage1_ldflags)
1348 # Libraries to use for stage1 or when not bootstrapping.
1349 AC_ARG_WITH(stage1-libs,
1350 [AS_HELP_STRING([--with-stage1-libs=LIBS], [libraries for stage1])],
1351 [if test "$withval" = "no" -o "$withval" = "yes"; then
1354 stage1_libs=$withval
1356 [stage1_libs=$with_host_libstdcxx])
1357 AC_SUBST(stage1_libs)
1359 # Libraries to use for stage2 and later builds. This defaults to the
1360 # argument passed to --with-host-libstdcxx.
1361 AC_ARG_WITH(boot-libs,
1362 [AS_HELP_STRING([--with-boot-libs=LIBS], [libraries for stage2 and later])],
1363 [if test "$withval" = "no" -o "$withval" = "yes"; then
1366 poststage1_libs=$withval
1368 [poststage1_libs=$with_host_libstdcxx])
1369 AC_SUBST(poststage1_libs)
1371 # Linker flags to use for stage2 and later builds.
1372 AC_ARG_WITH(boot-ldflags,
1373 [AS_HELP_STRING([--with-boot-ldflags=FLAGS],
1374 [linker flags for stage2 and later])],
1375 [if test "$withval" = "no" -o "$withval" = "yes"; then
1378 poststage1_ldflags=$withval
1380 [poststage1_ldflags=
1381 # In stages 2 and 3, default to linking libstdc++ and libgcc
1382 # statically. But if the user explicitly specified the libraries to
1383 # use, trust that they are doing what they want.
1384 if test "$poststage1_libs" = ""; then
1385 poststage1_ldflags="-static-libstdc++ -static-libgcc"
1387 AC_SUBST(poststage1_ldflags)
1395 [AS_HELP_STRING([--with-ppl=PATH],
1396 [specify prefix directory for the installed PPL package.
1397 Equivalent to --with-ppl-include=PATH/include
1398 plus --with-ppl-lib=PATH/lib])])
1399 AC_ARG_WITH(ppl-include,
1400 [AS_HELP_STRING([--with-ppl-include=PATH],
1401 [specify directory for installed PPL include files])])
1402 AC_ARG_WITH(ppl-lib,
1403 [AS_HELP_STRING([--with-ppl-lib=PATH],
1404 [specify directory for the installed PPL library])])
1406 AC_ARG_ENABLE(ppl-version-check,
1407 [AS_HELP_STRING([--disable-ppl-version-check],
1408 [disable check for PPL version])])
1414 ppllibs="-L$with_ppl/lib"
1415 pplinc="-I$with_ppl/include $pplinc"
1416 if test -d "$with_ppl/lib" && test -d "$with_ppl/include"; then
1419 AC_MSG_ERROR([cannot find directories "$with_ppl/lib" or "$with_ppl/include"])
1424 if test x"$with_ppl_include" != x; then
1425 pplinc="-I$with_ppl_include $pplinc"
1429 if test "x$with_ppl_lib" != x; then
1430 ppllibs="-L$with_ppl_lib"
1434 if test x"$with_ppl$with_ppl_include$with_ppl_lib" = x && test -d ${srcdir}/ppl; then
1435 if test x"$enable_watchdog" = xyes; then
1438 ppllibs='-L$$r/$(HOST_SUBDIR)/ppl/interfaces/C/'"$lt_cv_objdir"' -L$$r/$(HOST_SUBDIR)/ppl/src/'"$lt_cv_objdir"
1439 pplinc='-I$$r/$(HOST_SUBDIR)/ppl/src -I$$r/$(HOST_SUBDIR)/ppl/interfaces/C '
1440 enable_ppl_version_check=no
1444 if test "x$with_ppl" != xno; then
1445 if test "x$pwllib" = x; then
1447 LIBS="$LIBS $ppllibs -lstdc++ -lm"
1448 AC_CHECK_LIB(pwl, PWL_handle_timeout, [pwllib="-lpwl"])
1452 ppllibs="$ppllibs -lppl_c -lppl $pwllib -lgmpxx"
1454 if test "$enable_ppl_version_check" != no; then
1455 saved_CFLAGS="$CFLAGS"
1456 CFLAGS="$CFLAGS $pplinc $gmpinc"
1457 AC_MSG_CHECKING([for version 0.11 (revision 0 or later) of PPL])
1458 AC_TRY_COMPILE([#include "ppl_c.h"],[
1459 #if PPL_VERSION_MAJOR != 0 || PPL_VERSION_MINOR < 11
1462 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); ppllibs= ; pplinc= ; with_ppl=no ])
1463 CFLAGS="$saved_CFLAGS"
1467 # Flags needed for PPL
1474 dnl Provide configure switches and initialize clooginc & clooglibs
1475 dnl with user input.
1477 if test "x$with_ppl" = "xno"; then
1478 dnl Only execute fail-action, if CLooG has been requested.
1479 CLOOG_REQUESTED([graphite_requested=yes], [graphite_requested=no])
1480 if test "${graphite_requested}" = yes; then
1481 AC_MSG_ERROR([Unable to find a usable PPL. See config.log for details.])
1485 if test "x${with_cloog}" = x && test "x${with_cloog_include}" = x \
1486 && test "x${with_cloog_lib}" = x && test -d ${srcdir}/cloog; then
1487 clooglibs='-L$$r/$(HOST_SUBDIR)/cloog/'"$lt_cv_objdir"' '
1488 clooginc='-I$$r/$(HOST_SUBDIR)/cloog/include -I$$s/cloog/include '
1490 if test "x$with_cloog" != "xno"; then
1491 dnl The minimal version of CLooG required for Graphite.
1493 dnl If we use CLooG-Legacy, the provided version information is
1495 CLOOG_CHECK_VERSION(0,16,1)
1497 dnl Only execute fail-action, if CLooG has been requested.
1499 AC_MSG_ERROR([Unable to find a usable CLooG. See config.log for details.])])
1502 # Check for LTO support.
1504 [AS_HELP_STRING([--enable-lto], [enable link time optimization support])],
1505 enable_lto=$enableval,
1506 enable_lto=yes; default_enable_lto=yes)
1508 ACX_ELF_TARGET_IFELSE([# ELF platforms build the lto-plugin always.
1509 build_lto_plugin=yes
1510 ],[if test x"$default_enable_lto" = x"yes" ; then
1512 *-apple-darwin9 | *-cygwin* | *-mingw*) ;;
1513 # On other non-ELF platforms, LTO has yet to be validated.
1517 # Apart from ELF platforms, only Windows and Darwin support LTO so far.
1518 # It would also be nice to check the binutils support, but we don't
1519 # have gcc_GAS_CHECK_FEATURE available here. For now, we'll just
1520 # warn during gcc/ subconfigure; unless you're bootstrapping with
1521 # -flto it won't be needed until after installation anyway.
1523 *-cygwin* | *-mingw* | *-apple-darwin*) ;;
1524 *) if test x"$enable_lto" = x"yes"; then
1525 AC_MSG_ERROR([LTO support is not enabled for this target.])
1530 # Among non-ELF, only Windows platforms support the lto-plugin so far.
1531 # Build it unless LTO was explicitly disabled.
1533 *-cygwin* | *-mingw*) build_lto_plugin=$enable_lto ;;
1539 # By default, C is the only stage 1 language.
1540 stage1_languages=,c,
1542 # Target libraries that we bootstrap.
1543 bootstrap_target_libs=,target-libgcc,
1545 # Figure out what language subdirectories are present.
1546 # Look if the user specified --enable-languages="..."; if not, use
1547 # the environment variable $LANGUAGES if defined. $LANGUAGES might
1549 # NB: embedded tabs in this IF block -- do not untabify
1550 if test -d ${srcdir}/gcc; then
1551 if test x"${enable_languages+set}" != xset; then
1552 if test x"${LANGUAGES+set}" = xset; then
1553 enable_languages="${LANGUAGES}"
1554 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1556 enable_languages=all
1559 if test x"${enable_languages}" = x ||
1560 test x"${enable_languages}" = xyes;
1562 echo configure.in: --enable-languages needs at least one language argument 1>&2
1566 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1568 # 'f95' is the old name for the 'fortran' language. We issue a warning
1569 # and make the substitution.
1570 case ,${enable_languages}, in
1572 echo configure.in: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2
1573 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'`
1577 # First scan to see if an enabled language requires some other language.
1578 # We assume that a given config-lang.in will list all the language
1579 # front ends it requires, even if some are required indirectly.
1580 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1581 case ${lang_frag} in
1583 # The odd quoting in the next line works around
1584 # an apparent bug in bash 1.12 on linux.
1585 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1587 # From the config-lang.in, get $language, $lang_requires, and
1588 # $lang_requires_boot_languages.
1591 lang_requires_boot_languages=
1593 for other in ${lang_requires} ${lang_requires_boot_languages}; do
1594 case ,${enable_languages}, in
1598 echo " \`$other' language required by \`$language'; enabling" 1>&2
1599 enable_languages="${enable_languages},${other}"
1603 for other in ${lang_requires_boot_languages} ; do
1604 if test "$other" != "c"; then
1605 case ,${enable_stage1_languages}, in
1609 case ,${enable_languages}, in
1611 echo " '$other' language required by '$language' in stage 1; enabling" 1>&2
1612 enable_stage1_languages="$enable_stage1_languages,${other}"
1623 new_enable_languages=,c,
1625 # If LTO is enabled, add the LTO front end.
1626 extra_host_libiberty_configure_flags=
1627 if test "$enable_lto" = "yes" ; then
1628 case ,${enable_languages}, in
1630 *) enable_languages="${enable_languages},lto" ;;
1632 if test "${build_lto_plugin}" = "yes" ; then
1633 configdirs="$configdirs lto-plugin"
1634 extra_host_libiberty_configure_flags=--enable-shared
1637 AC_SUBST(extra_host_libiberty_configure_flags)
1639 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
1640 potential_languages=,c,
1642 enabled_target_libs=
1643 disabled_target_libs=
1645 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1646 case ${lang_frag} in
1648 # The odd quoting in the next line works around
1649 # an apparent bug in bash 1.12 on linux.
1650 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1652 # From the config-lang.in, get $language, $target_libs,
1653 # $lang_dirs, $boot_language, and $build_by_default
1659 build_by_default=yes
1661 if test x${language} = x; then
1662 echo "${lang_frag} doesn't set \$language." 1>&2
1666 if test "$language" = "c++" \
1667 && test "$ENABLE_BUILD_WITH_CXX" = "yes"; then
1671 case ,${enable_languages}, in
1673 # Language was explicitly selected; include it.
1677 # 'all' was selected, select it if it is a default language
1678 add_this_lang=${build_by_default}
1685 # Disable languages that need other directories if these aren't available.
1686 for i in $subdir_requires; do
1687 test -f "$srcdir/gcc/$i/config-lang.in" && continue
1688 case ,${enable_languages}, in
1690 # Specifically requested language; tell them.
1691 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing])
1695 add_this_lang=unsupported
1700 # Disable Ada if no preexisting GNAT is available.
1701 case ,${enable_languages},:${language}:${have_gnat} in
1702 *,${language},*:ada:no)
1703 # Specifically requested language; tell them.
1704 AC_MSG_ERROR([GNAT is required to build $language])
1708 add_this_lang=unsupported
1712 # Disable a language that is unsupported by the target.
1713 case " $unsupported_languages " in
1715 add_this_lang=unsupported
1719 case $add_this_lang in
1721 # Remove language-dependent dirs.
1722 disabled_target_libs="$disabled_target_libs $target_libs"
1723 noconfigdirs="$noconfigdirs $lang_dirs"
1726 # Remove language-dependent dirs; still show language as supported.
1727 disabled_target_libs="$disabled_target_libs $target_libs"
1728 noconfigdirs="$noconfigdirs $lang_dirs"
1729 potential_languages="${potential_languages}${language},"
1732 new_enable_languages="${new_enable_languages}${language},"
1733 potential_languages="${potential_languages}${language},"
1734 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
1735 enabled_target_libs="$enabled_target_libs $target_libs"
1736 case "${boot_language}:,$enable_stage1_languages," in
1737 yes:* | *:*,$language,* | *:*,yes, | *:*,all,)
1738 # Add to (comma-separated) list of stage 1 languages.
1739 case ",$stage1_languages," in
1740 *,$language,* | ,yes, | ,all,) ;;
1741 *) stage1_languages="${stage1_languages}${language}," ;;
1743 # We need to bootstrap any supporting libraries.
1744 bootstrap_target_libs="${bootstrap_target_libs}${target_libs},"
1753 # Add target libraries which are only needed for disabled languages
1755 if test -n "$disabled_target_libs"; then
1756 for dir in $disabled_target_libs; do
1757 case " $enabled_target_libs " in
1759 *) noconfigdirs="$noconfigdirs $dir" ;;
1764 AC_ARG_ENABLE(stage1-languages,
1765 [AS_HELP_STRING([[--enable-stage1-languages[=all]]],
1766 [choose additional languages to build during
1767 stage1. Mostly useful for compiler development])],
1768 [case ,${enable_stage1_languages}, in
1770 # Set it to something that will have no effect in the loop below
1771 enable_stage1_languages=c ;;
1773 enable_stage1_languages=`echo $new_enable_languages | \
1774 sed -e "s/^,//" -e "s/,$//" ` ;;
1776 enable_stage1_languages=`echo ,$enable_stage1_languages, | \
1777 sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;;
1780 # Add "good" languages from enable_stage1_languages to stage1_languages,
1781 # while "bad" languages go in missing_languages. Leave no duplicates.
1782 for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do
1783 case $potential_languages in
1785 case $stage1_languages in
1787 *) stage1_languages="$stage1_languages$i," ;;
1790 case $missing_languages in
1792 *) missing_languages="$missing_languages$i," ;;
1797 # Remove leading/trailing commas that were added for simplicity
1798 potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"`
1799 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
1800 stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"`
1801 new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"`
1803 if test "x$missing_languages" != x; then
1805 The following requested languages could not be built: ${missing_languages}
1806 Supported languages are: ${potential_languages}])
1808 if test "x$new_enable_languages" != "x$enable_languages"; then
1809 echo The following languages will be built: ${new_enable_languages}
1810 enable_languages="$new_enable_languages"
1813 AC_SUBST(stage1_languages)
1814 ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" `
1817 # Handle --disable-<component> generically.
1818 for dir in $configdirs $build_configdirs $target_configdirs ; do
1819 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g`
1820 varname=`echo $dirname | sed -e s/+/_/g`
1821 if eval test x\${enable_${varname}} "=" xno ; then
1822 noconfigdirs="$noconfigdirs $dir"
1826 # Check for Boehm's garbage collector
1827 AC_ARG_ENABLE(objc-gc,
1828 [AS_HELP_STRING([--enable-objc-gc],
1829 [enable use of Boehm's garbage collector with the
1830 GNU Objective-C runtime])],
1831 [case ,${enable_languages},:${enable_objc_gc}:${noconfigdirs} in
1832 *,objc,*:*:yes:*target-boehm-gc*)
1833 AC_MSG_ERROR([Boehm's garbage collector was requested yet not supported in this configuration])
1837 # Make sure we only build Boehm's garbage collector if required.
1838 case ,${enable_languages},:${enable_objc_gc} in
1840 # Keep target-boehm-gc if requested for Objective-C.
1843 # Otherwise remove target-boehm-gc depending on target-libjava.
1844 if echo " ${noconfigdirs} " | grep "target-libjava" >/dev/null 2>&1; then
1845 noconfigdirs="$noconfigdirs target-boehm-gc"
1850 AC_ARG_WITH([upc-pts],
1851 [ --with-upc-pts={struct,word-pair,packed} choose the representation
1852 of a UPC pointer-to-shared],
1854 case ,${enable_languages}, in
1857 struct|word-pair|packed)
1861 AC_MSG_ERROR([$withval is an invalid option to --with-upc-pts])
1866 AC_MSG_ERROR([--with-upc-pts supplied, but UPC language not enabled])
1871 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
1872 # $build_configdirs and $target_configdirs.
1873 # If we have the source for $noconfigdirs entries, add them to $notsupp.
1876 for dir in . $skipdirs $noconfigdirs ; do
1877 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
1878 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1879 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
1880 if test -r $srcdir/$dirname/configure ; then
1881 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1884 notsupp="$notsupp $dir"
1888 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1889 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"`
1890 if test -r $srcdir/$dirname/configure ; then
1891 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1894 notsupp="$notsupp $dir"
1898 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1899 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
1900 if test -r $srcdir/$dirname/configure ; then
1901 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1904 notsupp="$notsupp $dir"
1910 # Sometimes the tools are distributed with libiberty but with no other
1911 # libraries. In that case, we don't want to build target-libiberty.
1912 # Don't let libgcc imply libiberty either.
1913 if test -n "${target_configdirs}" ; then
1916 for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do
1917 if test "$i" = "libgcc"; then
1918 libgcc=target-libgcc
1919 elif test "$i" != "libiberty" ; then
1920 if test -r $srcdir/$i/configure ; then
1926 if test -z "${others}" ; then
1927 target_configdirs=$libgcc
1931 # Quietly strip out all directories which aren't configurable in this tree.
1932 # This relies on all configurable subdirectories being autoconfiscated, which
1934 build_configdirs_all="$build_configdirs"
1936 for i in ${build_configdirs_all} ; do
1937 j=`echo $i | sed -e s/build-//g`
1938 if test -f ${srcdir}/$j/configure ; then
1939 build_configdirs="${build_configdirs} $i"
1943 configdirs_all="$configdirs"
1945 for i in ${configdirs_all} ; do
1946 if test -f ${srcdir}/$i/configure ; then
1947 configdirs="${configdirs} $i"
1951 target_configdirs_all="$target_configdirs"
1953 for i in ${target_configdirs_all} ; do
1954 j=`echo $i | sed -e s/target-//g`
1955 if test -f ${srcdir}/$j/configure ; then
1956 target_configdirs="${target_configdirs} $i"
1960 # Produce a warning message for the subdirs we can't configure.
1961 # This isn't especially interesting in the Cygnus tree, but in the individual
1962 # FSF releases, it's important to let people know when their machine isn't
1963 # supported by the one or two programs in a package.
1965 if test -n "${notsupp}" && test -z "${norecursion}" ; then
1966 # If $appdirs is non-empty, at least one of those directories must still
1967 # be configured, or we error out. (E.g., if the gas release supports a
1968 # specified target in some subdirs but not the gas subdir, we shouldn't
1969 # pretend that all is well.)
1970 if test -n "$appdirs" ; then
1971 for dir in $appdirs ; do
1972 if test -r $dir/Makefile.in ; then
1973 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1977 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
1983 if test -n "$appdirs" ; then
1984 echo "*** This configuration is not supported by this package." 1>&2
1988 # Okay, some application will build, or we don't care to check. Still
1989 # notify of subdirs not getting built.
1990 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
1991 echo " ${notsupp}" 1>&2
1992 echo " (Any other directories should still work fine.)" 1>&2
2000 # To find our prefix, in gcc_cv_tool_prefix.
2005 AC_ARG_WITH([build-sysroot],
2006 [AS_HELP_STRING([--with-build-sysroot=SYSROOT],
2007 [use sysroot as the system root during the build])],
2008 [if test x"$withval" != x ; then
2009 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval"
2011 [SYSROOT_CFLAGS_FOR_TARGET=])
2012 AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET)
2014 AC_ARG_WITH([debug-prefix-map],
2015 [AS_HELP_STRING([--with-debug-prefix-map='A=B C=D ...'],
2016 [map A to B, C to D ... in debug information])],
2017 [if test x"$withval" != x; then
2018 DEBUG_PREFIX_CFLAGS_FOR_TARGET=
2019 for debug_map in $withval; do
2020 DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map"
2023 [DEBUG_PREFIX_CFLAGS_FOR_TARGET=])
2024 AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET)
2026 # During gcc bootstrap, if we use some random cc for stage1 then CFLAGS
2027 # might be empty or "-g". We don't require a C++ compiler, so CXXFLAGS
2028 # might also be empty (or "-g", if a non-GCC C++ compiler is in the path).
2029 # We want to ensure that TARGET libraries (which we know are built with
2030 # gcc) are built with "-O2 -g", so include those options when setting
2031 # CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET.
2032 if test "x$CFLAGS_FOR_TARGET" = x; then
2033 CFLAGS_FOR_TARGET=$CFLAGS
2036 *) CFLAGS_FOR_TARGET="-O2 $CFLAGS" ;;
2039 *" -g "* | *" -g3 "*) ;;
2040 *) CFLAGS_FOR_TARGET="-g $CFLAGS" ;;
2043 AC_SUBST(CFLAGS_FOR_TARGET)
2045 if test "x$CXXFLAGS_FOR_TARGET" = x; then
2046 CXXFLAGS_FOR_TARGET=$CXXFLAGS
2047 case " $CXXFLAGS " in
2049 *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS" ;;
2051 case " $CXXFLAGS " in
2052 *" -g "* | *" -g3 "*) ;;
2053 *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS" ;;
2056 AC_SUBST(CXXFLAGS_FOR_TARGET)
2058 # Handle --with-headers=XXX. If the value is not "yes", the contents of
2059 # the named directory are copied to $(tooldir)/sys-include.
2060 if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
2061 if test x${is_cross_compiler} = xno ; then
2062 echo 1>&2 '***' --with-headers is only supported when cross compiling
2065 if test x"${with_headers}" != xyes ; then
2066 x=${gcc_cv_tool_prefix}
2067 copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include"
2071 # Handle --with-libs=XXX. If the value is not "yes", the contents of
2072 # the name directories are copied to $(tooldir)/lib. Multiple directories
2074 if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
2075 if test x${is_cross_compiler} = xno ; then
2076 echo 1>&2 '***' --with-libs is only supported when cross compiling
2079 if test x"${with_libs}" != xyes ; then
2080 # Copy the libraries in reverse order, so that files in the first named
2081 # library override files in subsequent libraries.
2082 x=${gcc_cv_tool_prefix}
2083 for l in ${with_libs}; do
2084 copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}"
2089 # Set with_gnu_as, with_gnu_ld, and with_system_zlib as appropriate.
2091 # This is done by determining whether or not the appropriate directory
2092 # is available, and by checking whether or not specific configurations
2093 # have requested that this magic not happen.
2095 # The command line options always override the explicit settings in
2096 # configure.in, and the settings in configure.in override this magic.
2098 # If the default for a toolchain is to use GNU as and ld, and you don't
2099 # want to do that, then you should use the --without-gnu-as and
2100 # --without-gnu-ld options for the configure script. Similarly, if
2101 # the default is to use the included zlib and you don't want to do that,
2102 # you should use the --with-system-zlib option for the configure script.
2104 if test x${use_gnu_as} = x &&
2105 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
2107 extra_host_args="$extra_host_args --with-gnu-as"
2110 if test x${use_gnu_ld} = x &&
2111 echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then
2113 extra_host_args="$extra_host_args --with-gnu-ld"
2116 if test x${use_included_zlib} = x &&
2117 echo " ${configdirs} " | grep " zlib " > /dev/null 2>&1 ; then
2120 with_system_zlib=yes
2121 extra_host_args="$extra_host_args --with-system-zlib"
2124 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
2125 # can detect this case.
2127 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
2129 extra_host_args="$extra_host_args --with-newlib"
2132 # Handle ${copy_dirs}
2133 set fnord ${copy_dirs}
2135 while test $# != 0 ; do
2136 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
2139 echo Copying $1 to $2
2141 # Use the install script to create the directory and all required
2142 # parent directories.
2143 if test -d $2 ; then
2147 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
2150 # Copy the directory, assuming we have tar.
2151 # FIXME: Should we use B in the second tar? Not all systems support it.
2152 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
2154 # It is the responsibility of the user to correctly adjust all
2155 # symlinks. If somebody can figure out how to handle them correctly
2156 # here, feel free to add the code.
2163 # Determine a target-dependent exec_prefix that the installed
2164 # gcc will search in. Keep this list sorted by triplet, with
2165 # the *-*-osname triplets last.
2168 i[[34567]]86-pc-msdosdjgpp*)
2169 md_exec_prefix=/dev/env/DJDIR/bin
2174 md_exec_prefix=/usr/ccs/bin
2178 extra_arflags_for_target=
2179 extra_nmflags_for_target=
2180 extra_ranlibflags_for_target=
2181 target_makefile_frag=/dev/null
2184 target_makefile_frag="config/mt-spu"
2187 target_makefile_frag="config/mt-sde"
2189 mipsisa*-*-elfoabi*)
2190 target_makefile_frag="config/mt-mips-elfoabi"
2192 mips*-*-*linux* | mips*-*-gnu*)
2193 target_makefile_frag="config/mt-mips-gnu"
2195 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
2196 target_makefile_frag="config/mt-gnu"
2198 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
2199 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
2200 # commands to handle both 32-bit and 64-bit objects. These flags are
2201 # harmless if we're using GNU nm or ar.
2202 extra_arflags_for_target=" -X32_64"
2203 extra_nmflags_for_target=" -B -X32_64"
2206 # ranlib before Darwin10 requires the -c flag to look at common symbols.
2207 extra_ranlibflags_for_target=" -c"
2211 alphaieee_frag=/dev/null
2214 # This just makes sure to use the -mieee option to build target libs.
2215 # This should probably be set individually by each library.
2216 alphaieee_frag="config/mt-alphaieee"
2220 # If --enable-target-optspace always use -Os instead of -O2 to build
2221 # the target libraries, similarly if it is not specified, use -Os
2222 # on selected platforms.
2223 ospace_frag=/dev/null
2224 case "${enable_target_optspace}:${target}" in
2226 ospace_frag="config/mt-ospace"
2229 ospace_frag="config/mt-d30v"
2231 :m32r-* | :d10v-* | :fr30-*)
2232 ospace_frag="config/mt-ospace"
2237 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
2241 # Default to using --with-stabs for certain targets.
2242 if test x${with_stabs} = x ; then
2244 mips*-*-irix[[56]]*)
2246 mips*-*-* | alpha*-*-osf*)
2248 extra_host_args="${extra_host_args} --with-stabs"
2253 # hpux11 in 64bit mode has libraries in a weird place. Arrange to find
2254 # them automatically.
2257 extra_host_args="$extra_host_args -x-libraries=/usr/lib/pa20_64 -x-includes=/usr/X11R6/include"
2261 # Some systems (e.g., one of the i386-aix systems the gas testers are
2262 # using) don't handle "\$" correctly, so don't use it here.
2263 tooldir='${exec_prefix}'/${target_noncanonical}
2264 build_tooldir=${tooldir}
2266 # Create a .gdbinit file which runs the one in srcdir
2267 # and tells GDB to look there for source files.
2269 if test -r ${srcdir}/.gdbinit ; then
2272 *) cat > ./.gdbinit <<EOF
2276 source ${srcdir}/.gdbinit
2282 # Make sure that the compiler is able to generate an executable. If it
2283 # can't, we are probably in trouble. We don't care whether we can run the
2284 # executable--we might be using a cross compiler--we only care whether it
2285 # can be created. At this point the main configure script has set CC.
2287 echo "int main () { return 0; }" > conftest.c
2288 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
2289 if test $? = 0 ; then
2290 if test -s conftest || test -s conftest.exe ; then
2296 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
2297 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
2304 # The Solaris /usr/ucb/cc compiler does not appear to work.
2306 sparc-sun-solaris2*)
2307 CCBASE="`echo ${CC-cc} | sed 's/ .*$//'`"
2308 if test "`type $CCBASE | sed 's/^[[^/]]*//'`" = "/usr/ucb/cc" ; then
2310 test -d /opt/SUNWspro/bin && could_use="/opt/SUNWspro/bin"
2311 if test -d /opt/cygnus/bin ; then
2312 if test "$could_use" = "" ; then
2313 could_use="/opt/cygnus/bin"
2315 could_use="$could_use or /opt/cygnus/bin"
2318 if test "$could_use" = "" ; then
2319 echo "Warning: compilation may fail because you're using"
2320 echo "/usr/ucb/cc. You should change your PATH or CC "
2321 echo "variable and rerun configure."
2323 echo "Warning: compilation may fail because you're using"
2324 echo "/usr/ucb/cc, when you should use the C compiler from"
2325 echo "$could_use. You should change your"
2326 echo "PATH or CC variable and rerun configure."
2332 # Decide which environment variable is used to find dynamic libraries.
2334 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
2335 *-*-darwin*) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;;
2336 *-*-mingw* | *-*-cygwin ) RPATH_ENVVAR=PATH ;;
2337 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
2340 # On systems where the dynamic library environment variable is PATH,
2341 # gcc/ will put dynamic libraries into a subdirectory to avoid adding
2342 # built executables to PATH.
2343 if test "$RPATH_ENVVAR" = PATH; then
2344 GCC_SHLIB_SUBDIR=/shlib
2349 # Record target_configdirs and the configure arguments for target and
2350 # build configuration in Makefile.
2351 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
2352 build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
2354 # If we are building libgomp, bootstrap it.
2355 if echo " ${target_configdirs} " | grep " libgomp " > /dev/null 2>&1 ; then
2356 bootstrap_target_libs=${bootstrap_target_libs}target-libgomp,
2359 # Determine whether gdb needs tk/tcl or not.
2360 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
2361 # and in that case we want gdb to be built without tk. Ugh!
2362 # In fact I believe gdb is the *only* package directly dependent on tk,
2363 # so we should be able to put the 'maybe's in unconditionally and
2364 # leave out the maybe dependencies when enable_gdbtk is false. I'm not
2365 # 100% sure that that's safe though.
2367 gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
2368 case "$enable_gdbtk" in
2372 GDB_TK="${gdb_tk}" ;;
2374 # Only add the dependency on gdbtk when GDBtk is part of the gdb
2375 # distro. Eventually someone will fix this and move Insight, nee
2376 # gdbtk to a separate directory.
2377 if test -d ${srcdir}/gdb/gdbtk ; then
2384 CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g`
2385 INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g`
2387 # Strip out unwanted targets.
2389 # While at that, we remove Makefiles if we were started for recursive
2390 # configuration, so that the top-level Makefile reconfigures them,
2391 # like we used to do when configure itself was recursive.
2393 # Loop over modules. We used to use the "$extrasub" feature from Autoconf
2394 # but now we're fixing up the Makefile ourselves with the additional
2395 # commands passed to AC_CONFIG_FILES. Use separate variables
2396 # extrasub-{build,host,target} not because there is any reason to split
2397 # the substitutions up that way, but only to remain below the limit of
2398 # 99 commands in a script, for HP-UX sed.
2399 # Do not nest @if/@endif pairs, because configure will not warn you at all.
2401 AC_ARG_ENABLE([bootstrap],
2402 [AS_HELP_STRING([--enable-bootstrap],
2403 [enable bootstrapping @<:@yes if native build@:>@])],,
2404 enable_bootstrap=default)
2406 # Issue errors and warnings for invalid/strange bootstrap combinations.
2407 case "$configdirs" in
2408 *gcc*) have_compiler=yes ;;
2409 *) have_compiler=no ;;
2412 case "$have_compiler:$host:$target:$enable_bootstrap" in
2415 # Default behavior. Enable bootstrap if we have a compiler
2416 # and we are in a native configuration.
2417 yes:$build:$build:default)
2418 enable_bootstrap=yes ;;
2421 enable_bootstrap=no ;;
2423 # We have a compiler and we are in a native configuration, bootstrap is ok
2424 yes:$build:$build:yes)
2427 # Other configurations, but we have a compiler. Assume the user knows
2430 AC_MSG_WARN([trying to bootstrap a cross compiler])
2433 # No compiler: if they passed --enable-bootstrap explicitly, fail
2435 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
2437 # Fail if wrong command line
2439 AC_MSG_ERROR([invalid option for --enable-bootstrap])
2443 case ",$enable_languages,:$ENABLE_BUILD_WITH_CXX:$enable_bootstrap" in
2446 AC_MSG_ERROR([bootstrapping with --enable-build-with-cxx requires c++ in --enable-languages])
2450 case "$enable_bootstrap:$ENABLE_GOLD: $configdirs :,$stage1_languages," in
2451 yes:yes:*\ gold\ *:*,c++,*) ;;
2452 yes:yes:*\ gold\ *:*)
2453 AC_MSG_ERROR([in a combined tree, bootstrapping with --enable-gold requires c++ in stage1_languages])
2457 # Adjust the toplevel makefile according to whether bootstrap was selected.
2458 case $enable_bootstrap in
2460 bootstrap_suffix=bootstrap
2461 BUILD_CONFIG=bootstrap-debug
2464 bootstrap_suffix=no-bootstrap
2469 AC_MSG_CHECKING(for default BUILD_CONFIG)
2471 AC_ARG_WITH([build-config],
2472 [AS_HELP_STRING([--with-build-config='NAME NAME2...'],
2473 [use config/NAME.mk build configuration])],
2474 [case $with_build_config in
2475 yes) with_build_config= ;;
2476 no) with_build_config= BUILD_CONFIG= ;;
2479 if test "x${with_build_config}" != x; then
2480 BUILD_CONFIG=$with_build_config
2482 case $BUILD_CONFIG in
2484 if echo "int f (void) { return 0; }" > conftest.c &&
2485 ${CC} -c conftest.c &&
2486 mv conftest.o conftest.o.g0 &&
2487 ${CC} -c -g conftest.c &&
2488 mv conftest.o conftest.o.g &&
2489 ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g > /dev/null 2>&1; then
2494 rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g
2498 AC_MSG_RESULT($BUILD_CONFIG)
2499 AC_SUBST(BUILD_CONFIG)
2502 for module in ${build_configdirs} ; do
2503 if test -z "${no_recursion}" \
2504 && test -f ${build_subdir}/${module}/Makefile; then
2505 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
2506 rm -f ${build_subdir}/${module}/Makefile
2508 extrasub_build="$extrasub_build
2509 /^@if build-$module\$/d
2510 /^@endif build-$module\$/d
2511 /^@if build-$module-$bootstrap_suffix\$/d
2512 /^@endif build-$module-$bootstrap_suffix\$/d"
2515 for module in ${configdirs} ; do
2516 if test -z "${no_recursion}"; then
2517 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do
2518 if test -f ${file}; then
2519 echo 1>&2 "*** removing ${file} to force reconfigure"
2524 extrasub_host="$extrasub_host
2526 /^@endif $module\$/d
2527 /^@if $module-$bootstrap_suffix\$/d
2528 /^@endif $module-$bootstrap_suffix\$/d"
2531 for module in ${target_configdirs} ; do
2532 if test -z "${no_recursion}" \
2533 && test -f ${target_subdir}/${module}/Makefile; then
2534 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
2535 rm -f ${target_subdir}/${module}/Makefile
2538 # We only bootstrap target libraries listed in bootstrap_target_libs.
2539 case $bootstrap_target_libs in
2540 *,target-$module,*) target_bootstrap_suffix=$bootstrap_suffix ;;
2541 *) target_bootstrap_suffix=no-bootstrap ;;
2544 extrasub_target="$extrasub_target
2545 /^@if target-$module\$/d
2546 /^@endif target-$module\$/d
2547 /^@if target-$module-$target_bootstrap_suffix\$/d
2548 /^@endif target-$module-$target_bootstrap_suffix\$/d"
2551 # Do the final fixup along with target modules.
2552 extrasub_target="$extrasub_target
2553 /^@if /,/^@endif /d"
2555 # Create the serialization dependencies. This uses a temporary file.
2557 AC_ARG_ENABLE([serial-configure],
2558 [AS_HELP_STRING([[--enable-serial-[{host,target,build}-]configure]],
2559 [force sequential configuration of
2560 sub-packages for the host, target or build
2561 machine, or all sub-packages])])
2563 case ${enable_serial_configure} in
2565 enable_serial_build_configure=yes
2566 enable_serial_host_configure=yes
2567 enable_serial_target_configure=yes
2571 # These force 'configure's to be done one at a time, to avoid problems
2572 # with contention over a shared config.cache.
2574 echo '# serdep.tmp' > serdep.tmp
2576 test "x${enable_serial_build_configure}" = xyes &&
2577 for item in ${build_configdirs} ; do
2580 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
2585 test "x${enable_serial_host_configure}" = xyes &&
2586 for item in ${configdirs} ; do
2589 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
2594 test "x${enable_serial_target_configure}" = xyes &&
2595 for item in ${target_configdirs} ; do
2598 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
2602 serialization_dependencies=serdep.tmp
2603 AC_SUBST_FILE(serialization_dependencies)
2605 # Base args. Strip norecursion, cache-file, srcdir, host, build,
2606 # target, nonopt, and variable assignments. These are the ones we
2607 # might not want to pass down to subconfigures. The exception being
2608 # --cache-file=/dev/null, which is used to turn off the use of cache
2609 # files altogether, and which should be passed on to subconfigures.
2610 # Also strip program-prefix, program-suffix, and program-transform-name,
2611 # so that we can pass down a consistent program-transform-name.
2616 eval "set -- $ac_configure_args"
2619 if test X"$skip_next" = X"yes"; then
2623 if test X"$keep_next" = X"yes"; then
2626 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2628 baseargs="$baseargs '$ac_arg'"
2629 tbaseargs="$tbaseargs '$ac_arg'"
2634 # Handle separated arguments. Based on the logic generated by
2637 *=* | --config-cache | -C | -disable-* | --disable-* \
2638 | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \
2639 | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \
2640 | -with-* | --with-* | -without-* | --without-* | --x)
2654 --with-* | --without-*)
2655 libopt=`echo "$ac_arg" | sed -e 's,^--[^-_]*[-_],,' -e 's,=.*$,,'`
2659 lib=`echo "$libopt" | sed 's,[-_]include$,,'`
2662 lib=`echo "$libopt" | sed 's,[-_]lib$,,'`
2671 mpc | mpfr | gmp | ppl | cloog)
2672 # If we're processing --with-$lib, --with-$lib-include or
2673 # --with-$lib-lib, for one of the libs above, and target is
2674 # different from host, don't pass the current argument to any
2675 # target library's configure.
2676 if test x$is_cross_compiler = xyes; then
2685 --cache-file=/dev/null | \
2686 -cache-file=/dev/null )
2687 # Handled here to avoid the test to skip args below.
2688 baseargs="$baseargs '$ac_arg'"
2689 tbaseargs="$tbaseargs '$ac_arg'"
2690 # Assert: $separate_arg should always be no.
2691 keep_next=$separate_arg
2707 -program-prefix* | \
2708 -program-suffix* | \
2709 -program-transform-name* )
2710 skip_next=$separate_arg
2714 # An option. Add it.
2717 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2719 baseargs="$baseargs '$ac_arg'"
2720 if test X"$skip_targ" = Xno; then
2721 tbaseargs="$tbaseargs '$ac_arg'"
2723 keep_next=$separate_arg
2726 # Either a variable assignment, or a nonopt (triplet). Don't
2727 # pass it down; let the Makefile handle this.
2732 # Remove the initial space we just introduced and, as these will be
2733 # expanded by make, quote '$'.
2734 baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
2736 # Add in --program-transform-name, after --program-prefix and
2737 # --program-suffix have been applied to it. Autoconf has already
2738 # doubled dollar signs and backslashes in program_transform_name; we want
2739 # the backslashes un-doubled, and then the entire thing wrapped in single
2740 # quotes, because this will be expanded first by make and then by the shell.
2741 # Also, because we want to override the logic in subdir configure scripts to
2742 # choose program_transform_name, replace any s,x,x, with s,y,y,.
2743 sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
2744 ${program_transform_name}
2746 gcc_transform_name=`cat conftestsed.out`
2747 rm -f conftestsed.out
2748 baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
2749 tbaseargs="$tbaseargs --program-transform-name='${gcc_transform_name}'"
2750 if test "$silent" = yes; then
2751 baseargs="$baseargs --silent"
2752 tbaseargs="$tbaseargs --silent"
2754 baseargs="$baseargs --disable-option-checking"
2755 tbaseargs="$tbaseargs --disable-option-checking"
2757 # Record and document user additions to sub configure arguments.
2758 AC_ARG_VAR([build_configargs],
2759 [additional configure arguments for build directories])
2760 AC_ARG_VAR([host_configargs],
2761 [additional configure arguments for host directories])
2762 AC_ARG_VAR([target_configargs],
2763 [additional configure arguments for target directories])
2765 # For the build-side libraries, we just need to pretend we're native,
2766 # and not use the same cache file. Multilibs are neither needed nor
2768 build_configargs="$build_configargs --cache-file=../config.cache ${baseargs}"
2770 # For host modules, accept cache file option, or specification as blank.
2771 case "${cache_file}" in
2773 cache_file_option="" ;;
2774 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
2775 cache_file_option="--cache-file=${cache_file}" ;;
2777 cache_file_option="--cache-file=../${cache_file}" ;;
2780 # Host dirs don't like to share a cache file either, horribly enough.
2781 # This seems to be due to autoconf 2.5x stupidity.
2782 host_configargs="$host_configargs --cache-file=./config.cache ${extra_host_args} ${baseargs}"
2784 target_configargs="$target_configargs ${tbaseargs}"
2786 # Passing a --with-cross-host argument lets the target libraries know
2787 # whether they are being built with a cross-compiler or being built
2788 # native. However, it would be better to use other mechanisms to make the
2789 # sorts of decisions they want to make on this basis. Please consider
2790 # this option to be deprecated. FIXME.
2791 if test x${is_cross_compiler} = xyes ; then
2792 target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}"
2795 # Default to --enable-multilib.
2796 if test x${enable_multilib} = x ; then
2799 # no multilib for Cray catamount machine
2802 # or Cray XT CNL machine
2805 target_configargs="--enable-multilib ${target_configargs}"
2810 # Pass --with-newlib if appropriate. Note that target_configdirs has
2811 # changed from the earlier setting of with_newlib.
2812 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
2813 target_configargs="--with-newlib ${target_configargs}"
2816 # Different target subdirs use different values of certain variables
2817 # (notably CXX). Worse, multilibs use *lots* of different values.
2818 # Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
2819 # it doesn't automatically accept command-line overrides of them.
2820 # This means it's not safe for target subdirs to share a cache file,
2821 # which is disgusting, but there you have it. Hopefully this can be
2822 # fixed in future. It's still worthwhile to use a cache file for each
2823 # directory. I think.
2825 # Pass the appropriate --build, --host, --target and --cache-file arguments.
2826 # We need to pass --target, as newer autoconf's requires consistency
2827 # for target_alias and gcc doesn't manage it consistently.
2828 target_configargs="--cache-file=./config.cache ${target_configargs}"
2831 case " $target_configdirs " in
2833 case " $target_configargs " in
2834 *" --with-newlib "*)
2837 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 $$s/winsup/w32api/include'
2841 # If we're not building GCC, don't discard standard headers.
2842 if test -d ${srcdir}/gcc; then
2843 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
2845 if test "${build}" != "${host}"; then
2846 # On Canadian crosses, CC_FOR_TARGET will have already been set
2847 # by `configure', so we won't have an opportunity to add -Bgcc/
2848 # to it. This is right: we don't want to search that directory
2849 # for binaries, but we want the header files in there, so add
2851 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include -isystem $$r/$(HOST_SUBDIR)/gcc/include-fixed'
2853 # Someone might think of using the pre-installed headers on
2854 # Canadian crosses, in case the installed compiler is not fully
2855 # compatible with the compiler being built. In this case, it
2856 # would be better to flag an error than risking having
2857 # incompatible object files being constructed. We can't
2858 # guarantee that an error will be flagged, but let's hope the
2859 # compiler will do it, when presented with incompatible header
2864 case "${target}-${is_cross_compiler}" in
2865 i[[3456789]]86-*-linux*-no)
2866 # Here host == target, so we don't need to build gcc,
2867 # so we don't want to discard standard headers.
2868 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
2871 # If we're building newlib, use its generic headers last, but search
2872 # for any libc-related directories first (so make it the last -B
2874 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
2876 # If we're building libgloss, find the startup file, simulator library
2877 # and linker script.
2878 case " $target_configdirs " in
2880 # Look for startup file, simulator library and maybe linker script.
2881 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/'"$libgloss_dir"
2882 # Look for libnosys.a in case the target needs it.
2883 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys'
2884 # Most targets have the linker script in the source directory.
2885 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$s/libgloss/'"$libgloss_dir"
2896 x86_64-*mingw* | *-w64-mingw*)
2897 # MinGW-w64 does not use newlib, nor does it use winsup. It may,
2898 # however, use a symlink named 'mingw' in ${prefix} .
2899 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L${prefix}/${target}/lib -L${prefix}/mingw/lib -isystem ${prefix}/${target}/include -isystem ${prefix}/mingw/include'
2902 # MinGW can't be handled as Cygwin above since it does not use newlib.
2903 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/mingw -L$$r/$(TARGET_SUBDIR)/winsup/w32api/lib -isystem $$s/winsup/mingw/include -isystem $$s/winsup/w32api/include'
2907 # Allow the user to override the flags for
2908 # our build compiler if desired.
2909 if test x"${build}" = x"${host}" ; then
2910 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
2911 CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}}
2912 LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}}
2915 # On Canadian crosses, we'll be searching the right directories for
2916 # the previously-installed cross compiler, so don't bother to add
2917 # flags for directories within the install tree of the compiler
2918 # being built; programs in there won't even run.
2919 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
2920 # Search for pre-installed headers if nothing else fits.
2921 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
2924 if test "x${use_gnu_ld}" = x &&
2925 echo " ${configdirs} " | grep " ld " > /dev/null ; then
2926 # Arrange for us to find uninstalled linker scripts.
2927 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld'
2930 # Search for other target-specific linker scripts and such.
2933 FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary"
2937 # UPC linker script check
2938 AC_MSG_CHECKING([for UPC link script support])
2939 AC_ARG_ENABLE(upc-link-script,
2940 [ --enable-upc-link-script Enable UPC's use of a custom linker script.
2941 This will define the UPC shared section as a no load section on
2942 targets where this feature is supported. Requires GNU LD.],
2947 AC_MSG_ERROR([--enable-upc-link-script accepts only yes or no.])
2952 if test x${use_gnu_ld} != xno ; then
2954 # disable linker script for CRAY XT3/4 cnl/catamount
2956 enable_upc_link_script=no
2959 enable_upc_link_script=no
2961 # disable linker script for Apple Mac OS X
2963 enable_upc_link_script=no
2966 enable_upc_link_script=yes
2970 enable_upc_link_script=no
2972 if test "$enable_upc_link_script" = yes; then
2973 target_configargs="${target_configargs} --enable-upc-link-script"
2974 host_configargs="${host_configargs} --enable-upc-link-script"
2977 if test "$enable_upc_link_script" = yes; then
2978 AC_MSG_RESULT([yes]);
2980 AC_MSG_RESULT([no]);
2984 # Makefile fragments.
2985 for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
2987 eval fragval=\$$frag
2988 if test $fragval != /dev/null; then
2989 eval $frag=${srcdir}/$fragval
2992 AC_SUBST_FILE(host_makefile_frag)
2993 AC_SUBST_FILE(target_makefile_frag)
2994 AC_SUBST_FILE(alphaieee_frag)
2995 AC_SUBST_FILE(ospace_frag)
2997 # Miscellanea: directories, flags, etc.
2998 AC_SUBST(RPATH_ENVVAR)
2999 AC_SUBST(GCC_SHLIB_SUBDIR)
3001 AC_SUBST(build_tooldir)
3002 AC_SUBST(CONFIGURE_GDB_TK)
3004 AC_SUBST(INSTALL_GDB_TK)
3006 # Build module lists & subconfigure args.
3007 AC_SUBST(build_configargs)
3008 AC_SUBST(build_configdirs)
3010 # Host module lists & subconfigure args.
3011 AC_SUBST(host_configargs)
3012 AC_SUBST(configdirs)
3013 AC_SUBST(target_configdirs)
3015 # Target module lists & subconfigure args.
3016 AC_SUBST(target_configargs)
3020 AC_SUBST(AR_FOR_BUILD)
3021 AC_SUBST(AS_FOR_BUILD)
3022 AC_SUBST(CC_FOR_BUILD)
3023 AC_SUBST(CFLAGS_FOR_BUILD)
3024 AC_SUBST(CXXFLAGS_FOR_BUILD)
3025 AC_SUBST(CXX_FOR_BUILD)
3026 AC_SUBST(DLLTOOL_FOR_BUILD)
3027 AC_SUBST(GCJ_FOR_BUILD)
3028 AC_SUBST(GFORTRAN_FOR_BUILD)
3029 AC_SUBST(GOC_FOR_BUILD)
3030 AC_SUBST(LDFLAGS_FOR_BUILD)
3031 AC_SUBST(LD_FOR_BUILD)
3032 AC_SUBST(NM_FOR_BUILD)
3033 AC_SUBST(RANLIB_FOR_BUILD)
3034 AC_SUBST(WINDMC_FOR_BUILD)
3035 AC_SUBST(WINDRES_FOR_BUILD)
3037 # Generate default definitions for YACC, M4, LEX and other programs that run
3038 # on the build machine. These are used if the Makefile can't locate these
3039 # programs in objdir.
3040 MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
3042 AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
3043 case " $build_configdirs " in
3044 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;;
3047 AC_CHECK_PROGS([BISON], [bison], [$MISSING bison])
3048 case " $build_configdirs " in
3049 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;;
3052 AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4])
3053 case " $build_configdirs " in
3054 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;;
3057 AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex])
3058 case " $build_configdirs " in
3059 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3060 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;;
3063 AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex])
3064 case " $build_configdirs " in
3065 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3068 AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo])
3069 case " $build_configdirs " in
3070 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;;
3073 # For an installed makeinfo, we require it to be from texinfo 4.7 or
3074 # higher, else we use the "missing" dummy.
3075 if ${MAKEINFO} --version \
3076 | egrep 'texinfo[^0-9]*(4\.([7-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then
3079 MAKEINFO="$MISSING makeinfo"
3085 # FIXME: expect and dejagnu may become build tools?
3087 AC_CHECK_PROGS(EXPECT, expect, expect)
3088 case " $configdirs " in
3090 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect'
3094 AC_CHECK_PROGS(RUNTEST, runtest, runtest)
3095 case " $configdirs " in
3097 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest'
3103 NCN_STRICT_CHECK_TOOLS(AR, ar)
3104 NCN_STRICT_CHECK_TOOLS(AS, as)
3105 NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool)
3106 NCN_STRICT_CHECK_TOOLS(LD, ld)
3107 NCN_STRICT_CHECK_TOOLS(LIPO, lipo)
3108 NCN_STRICT_CHECK_TOOLS(NM, nm)
3109 NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, true)
3110 NCN_STRICT_CHECK_TOOLS(STRIP, strip, true)
3111 NCN_STRICT_CHECK_TOOLS(WINDRES, windres)
3112 NCN_STRICT_CHECK_TOOLS(WINDMC, windmc)
3113 NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy)
3114 NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump)
3121 AC_ARG_WITH([build-time-tools],
3122 [AS_HELP_STRING([--with-build-time-tools=PATH],
3123 [use given path to find target tools during the build])],
3124 [case x"$withval" in
3127 with_build_time_tools=
3128 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path])
3131 [with_build_time_tools=])
3133 NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc)
3134 NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx)
3135 NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET})
3136 NCN_STRICT_CHECK_TARGET_TOOLS(GCJ_FOR_TARGET, gcj)
3137 NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran)
3138 NCN_STRICT_CHECK_TARGET_TOOLS(GOC_FOR_TARGET, gccgo)
3140 ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar)
3141 ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as)
3142 ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
3143 ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld)
3144 ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo)
3145 ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm)
3146 ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump)
3147 ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib)
3148 ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip)
3149 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
3150 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc)
3152 RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET"
3154 GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar])
3155 GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new])
3156 GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3157 dnl see comments for CXX_FOR_TARGET_FLAG_TO_PASS
3158 GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX,
3159 [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$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs],
3161 GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX,
3162 [gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs],
3164 GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool])
3165 GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3166 GCC_TARGET_TOOL(gcj, GCJ_FOR_TARGET, GCJ,
3167 [gcc/gcj -B$$r/$(HOST_SUBDIR)/gcc/], java)
3168 GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN,
3169 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran)
3170 GCC_TARGET_TOOL(gccgo, GOC_FOR_TARGET, GOC,
3171 [gcc/gccgo -B$$r/$(HOST_SUBDIR)/gcc/], go)
3172 GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new])
3173 GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO)
3174 GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new])
3175 GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump])
3176 GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib])
3177 GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip-new])
3178 GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres])
3179 GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc])
3181 AC_SUBST(FLAGS_FOR_TARGET)
3182 AC_SUBST(RAW_CXX_FOR_TARGET)
3184 # Certain tools may need extra flags.
3185 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
3186 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
3187 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
3189 # When building target libraries, except in a Canadian cross, we use
3190 # the same toolchain as the compiler we just built.
3191 COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)'
3192 COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)'
3193 COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)'
3194 if test $host = $build; then
3195 case " $configdirs " in
3197 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as'
3198 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld'
3199 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target}
3204 AC_SUBST(COMPILER_AS_FOR_TARGET)
3205 AC_SUBST(COMPILER_LD_FOR_TARGET)
3206 AC_SUBST(COMPILER_NM_FOR_TARGET)
3208 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
3209 AC_ARG_ENABLE(maintainer-mode,
3210 [AS_HELP_STRING([--enable-maintainer-mode],
3211 [enable make rules and dependencies not useful
3212 (and sometimes confusing) to the casual installer])],
3213 USE_MAINTAINER_MODE=$enableval,
3214 USE_MAINTAINER_MODE=no)
3215 AC_MSG_RESULT($USE_MAINTAINER_MODE)
3216 AC_SUBST(MAINTAINER_MODE_TRUE)
3217 AC_SUBST(MAINTAINER_MODE_FALSE)
3218 if test "$USE_MAINTAINER_MODE" = yes; then
3219 MAINTAINER_MODE_TRUE=
3220 MAINTAINER_MODE_FALSE='#'
3222 MAINTAINER_MODE_TRUE='#'
3223 MAINTAINER_MODE_FALSE=
3225 MAINT=$MAINTAINER_MODE_TRUE
3228 # ---------------------
3229 # GCC bootstrap support
3230 # ---------------------
3232 # Stage specific cflags for build.
3237 yes) stage1_cflags="-g -Wa,-J" ;;
3238 *) stage1_cflags="-g -J" ;;
3242 # This is aimed to mimic bootstrap with a non-GCC compiler to catch problems.
3243 if test "$GCC" = yes -a "$ENABLE_BUILD_WITH_CXX" != yes; then
3244 saved_CFLAGS="$CFLAGS"
3246 # Pass -fkeep-inline-functions for stage 1 if the GCC version supports it.
3247 CFLAGS="$CFLAGS -fkeep-inline-functions"
3248 AC_MSG_CHECKING([whether -fkeep-inline-functions is supported])
3250 #if (__GNUC__ < 3) \
3251 || (__GNUC__ == 3 && (__GNUC_MINOR__ < 3 \
3252 || (__GNUC_MINOR__ == 3 && __GNUC_PATCHLEVEL__ < 1)))
3253 #error http://gcc.gnu.org/PR29382
3256 [AC_MSG_RESULT([yes]); stage1_cflags="$stage1_cflags -fkeep-inline-functions"],
3257 [AC_MSG_RESULT([no])])
3259 CFLAGS="$saved_CFLAGS"
3262 AC_SUBST(stage1_cflags)
3264 # Enable --enable-checking in stage1 of the compiler.
3265 AC_ARG_ENABLE(stage1-checking,
3266 [AS_HELP_STRING([[--enable-stage1-checking[=all]]],
3267 [choose additional checking for stage1 of the compiler])],
3268 [stage1_checking=--enable-checking=${enable_stage1_checking}],
3269 [if test "x$enable_checking" = xno || test "x$enable_checking" = x; then
3270 stage1_checking=--enable-checking=yes,types
3272 stage1_checking=--enable-checking=$enable_checking,types
3274 AC_SUBST(stage1_checking)
3276 # Enable -Werror in bootstrap stage2 and later.
3277 AC_ARG_ENABLE(werror,
3278 [AS_HELP_STRING([--enable-werror],
3279 [enable -Werror in bootstrap stage2 and later])], [],
3280 [if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then
3285 case ${enable_werror} in
3286 yes) stage2_werror_flag="--enable-werror-always" ;;
3287 *) stage2_werror_flag="" ;;
3289 AC_SUBST(stage2_werror_flag)
3291 # Specify what files to not compare during bootstrap.
3293 compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*"
3295 hppa*64*-*-hpux*) ;;
3296 hppa*-*-hpux*) compare_exclusions="gcc/cc*-checksum\$(objext) | */libgcc/lib2funcs* | gcc/ada/*tools/*" ;;
3298 case " $configdirs " in
3299 *" ppl "*) compare_exclusions="$compare_exclusions | ppl/src/ppl-config.o" ;;
3301 AC_SUBST(compare_exclusions)
3303 AC_CONFIG_FILES([Makefile],
3304 [sed "$extrasub_build" Makefile |
3305 sed "$extrasub_host" |
3306 sed "$extrasub_target" > mf$$
3307 mv -f mf$$ Makefile],
3308 [extrasub_build="$extrasub_build"
3309 extrasub_host="$extrasub_host"
3310 extrasub_target="$extrasub_target"])