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)
152 # Note that libiberty is not a target library.
153 target_libraries="target-libgcc \
158 target-libstdc++-v3 \
169 # these tools are built using the target libraries, and are intended to
170 # run only in the target environment
172 # note: any program that *uses* libraries that are in the "target_libraries"
173 # list belongs in this list.
175 target_tools="target-rda"
177 ################################################################################
179 ## All tools belong in one of the four categories, and are assigned above
180 ## We assign ${configdirs} this way to remove all embedded newlines. This
181 ## is important because configure will choke if they ever get through.
182 ## ${configdirs} is directories we build using the host tools.
183 ## ${target_configdirs} is directories we build using the target tools.
184 configdirs=`echo ${host_libs} ${host_tools}`
185 target_configdirs=`echo ${target_libraries} ${target_tools}`
186 build_configdirs=`echo ${build_libs} ${build_tools}`
188 m4_divert_text([PARSE_ARGS],
191 m4_pushdef([AS_MESSAGE_LOG_FD], [])dnl
192 AC_MSG_ERROR([path to source, $srcdir, contains spaces])
193 m4_popdef([AS_MESSAGE_LOG_FD])dnl
196 ac_subdirs_all=`cd $srcdir && echo */configure | sed 's,/configure,,g'`
199 ################################################################################
201 srcname="gnu development package"
203 # This gets set non-empty for some net releases of packages.
206 # Define is_cross_compiler to save on calls to 'test'.
208 if test x"${host}" = x"${target}" ; then
211 is_cross_compiler=yes
214 # Find the build and target subdir names.
216 # Be sure to cover against remnants of an in-tree build.
217 if test $srcdir != . && test -d $srcdir/host-${host_noncanonical}; then
218 AC_MSG_ERROR([building out of tree but $srcdir contains host-${host_noncanonical}.
219 Use a pristine source tree when building in a separate tree])
222 # Skipdirs are removed silently.
224 # Noconfigdirs are removed loudly.
228 # Make sure we don't let GNU ld be added if we didn't want it.
229 if test x$with_gnu_ld = xno ; then
231 noconfigdirs="$noconfigdirs ld gold"
235 # Make sure we don't let GNU as be added if we didn't want it.
236 if test x$with_gnu_as = xno ; then
238 noconfigdirs="$noconfigdirs gas"
242 # Make sure we don't let ZLIB be added if we didn't want it.
243 if test x$with_system_zlib = xyes ; then
245 noconfigdirs="$noconfigdirs zlib"
248 # some tools are so dependent upon X11 that if we're not building with X,
249 # it's not even worth trying to configure, much less build, that tool.
252 yes | "") ;; # the default value for this tree is that X11 is available
254 skipdirs="${skipdirs} tk itcl libgui"
255 # We won't be able to build gdbtk without X.
258 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
261 # Some are only suitable for cross toolchains.
262 # Remove these if host=target.
263 cross_only="target-libgloss target-newlib target-opcodes"
265 case $is_cross_compiler in
266 no) skipdirs="${skipdirs} ${cross_only}" ;;
269 # If both --with-headers and --with-libs are specified, default to
271 if test x"${with_headers}" != x && test x"${with_headers}" != xno \
272 && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
273 if test x"${with_newlib}" = x ; then
278 # Recognize --with-newlib/--without-newlib.
279 case ${with_newlib} in
280 no) skipdirs="${skipdirs} target-newlib" ;;
281 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
284 # Handle --enable-gold, --enable-ld.
285 # --disable-gold [--enable-ld]
286 # Build only ld. Default option.
287 # --enable-gold [--enable-ld]
288 # Build both gold and ld. Install gold as "ld.gold", install ld
289 # as "ld.bfd" and "ld".
290 # --enable-gold=default [--enable-ld]
291 # Build both gold and ld. Install gold as "ld.gold" and "ld",
292 # install ld as "ld.bfd".
293 # --enable-gold[=default] --disable-ld
294 # Build only gold, which is then installed as both "ld.gold" and "ld".
295 # --enable-gold --enable-ld=default
296 # Build both gold (installed as "ld.gold") and ld (installed as "ld"
298 # In other words, ld is default
299 # --enable-gold=default --enable-ld=default
304 [AS_HELP_STRING([[--enable-gold[=ARG]]],
305 [build gold @<:@ARG={default,yes,no}@:>@])],
306 ENABLE_GOLD=$enableval,
308 case "${ENABLE_GOLD}" in
310 # Check for ELF target.
313 *-*-elf* | *-*-sysv4* | *-*-unixware* | *-*-eabi* | hppa*64*-*-hpux* \
314 | *-*-linux* | frv-*-uclinux* | *-*-irix5* | *-*-irix6* \
315 | *-*-netbsd* | *-*-openbsd* | *-*-freebsd* | *-*-dragonfly* \
316 | *-*-solaris2* | *-*-nto*)
318 *-*-linux*aout* | *-*-linux*oldld*)
326 if test "$is_elf" = "yes"; then
327 # Check for target supported by gold.
329 i?86-*-* | x86_64-*-* | sparc*-*-* | powerpc*-*-* | arm*-*-*)
330 configdirs="$configdirs gold"
331 if test x${ENABLE_GOLD} = xdefault; then
342 AC_MSG_ERROR([invalid --enable-gold argument])
347 [AS_HELP_STRING([[--enable-ld[=ARG]]],
348 [build ld @<:@ARG={default,yes,no}@:>@])],
349 ENABLE_LD=$enableval,
352 case "${ENABLE_LD}" in
354 if test x${default_ld} != x; then
355 AC_MSG_ERROR([either gold or ld can be the default ld])
361 if test x${ENABLE_GOLD} != xyes; then
362 AC_MSG_WARN([neither ld nor gold are enabled])
364 configdirs=`echo " ${configdirs} " | sed -e 's/ ld / /'`
367 AC_MSG_ERROR([invalid --enable-ld argument])
371 # Configure extra directories which are host specific
375 configdirs="$configdirs libtermcap" ;;
378 # A target can indicate whether a language isn't supported for some reason.
379 # Only spaces may be used in this macro; not newlines or tabs.
380 unsupported_languages=
382 # Remove more programs from consideration, based on the host or
383 # target this usually means that a port of the program doesn't
387 i[[3456789]]86-*-msdosdjgpp*)
388 noconfigdirs="$noconfigdirs tcl tk itcl"
393 AC_ARG_ENABLE(libquadmath,
394 AS_HELP_STRING([--disable-libquadmath],
395 [do not build libquadmath directory]),
396 ENABLE_LIBQUADMATH=$enableval,
397 ENABLE_LIBQUADMATH=yes)
398 if test "${ENABLE_LIBQUADMATH}" = "no" ; then
399 noconfigdirs="$noconfigdirs target-libquadmath"
403 AC_ARG_ENABLE(libquadmath-support,
404 AS_HELP_STRING([--disable-libquadmath-support],
405 [disable libquadmath support for Fortran]),
406 ENABLE_LIBQUADMATH_SUPPORT=$enableval,
407 ENABLE_LIBQUADMATH_SUPPORT=yes)
408 enable_libquadmath_support=
409 if test "${ENABLE_LIBQUADMATH_SUPPORT}" = "no" ; then
410 enable_libquadmath_support=no
414 AC_ARG_ENABLE(libada,
415 [AS_HELP_STRING([--enable-libada], [build libada directory])],
416 ENABLE_LIBADA=$enableval,
418 if test "${ENABLE_LIBADA}" != "yes" ; then
419 noconfigdirs="$noconfigdirs gnattools"
422 AC_ARG_ENABLE(libssp,
423 [AS_HELP_STRING([--enable-libssp], [build libssp directory])],
424 ENABLE_LIBSSP=$enableval,
427 # Save it here so that, even in case of --enable-libgcj, if the Java
428 # front-end isn't enabled, we still get libgcj disabled.
430 case $enable_libgcj in
432 # If we reset it here, it won't get added to noconfigdirs in the
433 # target-specific build rules, so it will be forcibly enabled
434 # (unless the Java language itself isn't enabled).
438 # Make sure we get it printed in the list of not supported target libs.
439 # Don't disable libffi, though, other languages use it.
440 noconfigdirs="$noconfigdirs `echo ${libgcj} | sed -e 's/target-libffi//'`"
441 # Clear libgcj_saved so that even if java is enabled libffi won't be
447 AC_ARG_ENABLE(static-libjava,
448 [AS_HELP_STRING([[--enable-static-libjava[=ARG]]],
449 [build static libjava @<:@default=no@:>@])],
450 ENABLE_STATIC_LIBJAVA=$enableval,
451 ENABLE_STATIC_LIBJAVA=no)
452 enable_static_libjava=
453 if test "${ENABLE_STATIC_LIBJAVA}" = "yes" ; then
454 enable_static_libjava=yes
457 if test x$enable_static_libjava != xyes ; then
458 EXTRA_CONFIGARGS_LIBJAVA=--disable-static
460 AC_SUBST(EXTRA_CONFIGARGS_LIBJAVA)
462 # Disable libmudflap on some systems.
463 if test x$enable_libmudflap = x ; then
465 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | bfin*-*-uclinux* | *-*-kopensolaris*-gnu)
466 # Enable libmudflap by default in GNU and friends.
469 # Enable libmudflap by default in FreeBSD.
472 # Disable it by default everywhere else.
473 noconfigdirs="$noconfigdirs target-libmudflap"
478 # Disable libgomp on non POSIX hosted systems.
479 if test x$enable_libgomp = x ; then
480 # Enable libgomp by default on hosted POSIX systems.
482 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
484 *-*-netbsd* | *-*-freebsd* | *-*-openbsd* | *-*-dragonfly*)
486 *-*-solaris2* | *-*-irix6* | *-*-osf* | *-*-hpux11*)
488 *-*-darwin* | *-*-aix*)
491 noconfigdirs="$noconfigdirs target-libgomp"
496 # Disable libitm on unsupported systems.
497 if test -d ${srcdir}/libitm; then
498 if test x$enable_libitm = x; then
499 AC_MSG_CHECKING([for libitm support])
500 if (srcdir=${srcdir}/libitm; \
501 . ${srcdir}/configure.tgt; \
502 test -n "$UNSUPPORTED")
505 noconfigdirs="$noconfigdirs target-libitm"
512 # Disable libssp for some systems.
515 # No hosted I/O support.
516 noconfigdirs="$noconfigdirs target-libssp"
518 powerpc-*-aix* | rs6000-*-aix*)
519 noconfigdirs="$noconfigdirs target-libssp"
522 # libssp uses a misaligned load to trigger a fault, but the RL78
523 # doesn't fault for those - instead, it gives a build-time error
524 # for explicit misaligned loads.
525 noconfigdirs="$noconfigdirs target-libssp"
529 # Disable libstdc++-v3 for some systems.
532 # VxWorks uses the Dinkumware C++ library.
533 noconfigdirs="$noconfigdirs target-libstdc++-v3"
536 # the C++ libraries don't build on top of CE's C libraries
537 noconfigdirs="$noconfigdirs target-libstdc++-v3"
540 noconfigdirs="$noconfigdirs target-libstdc++-v3"
544 # Disable Fortran for some systems.
547 # See <http://gcc.gnu.org/ml/gcc-patches/2004-11/msg00572.html>.
548 unsupported_languages="$unsupported_languages fortran"
552 # Disable Java if libffi is not supported.
574 mips-sgi-irix6.* | mips*-*-rtems*)
582 powerpc-*-aix* | rs6000-*-aix*)
586 powerpc64-*-freebsd*)
590 s390-*-* | s390x-*-*)
592 sh-*-* | sh[[34]]*-*-*)
601 unsupported_languages="$unsupported_languages java"
605 # Disable Java, libgcj or related libraries for some systems.
609 i[[3456789]]86-*-darwin*)
611 x86_64-*-darwin[[912]]*)
614 noconfigdirs="$noconfigdirs ${libgcj}"
617 noconfigdirs="$noconfigdirs ${libgcj}"
620 noconfigdirs="$noconfigdirs ${libgcj}"
623 noconfigdirs="$noconfigdirs ${libgcj}"
626 noconfigdirs="$noconfigdirs ${libgcj}"
629 noconfigdirs="$noconfigdirs ${libgcj}"
632 noconfigdirs="$noconfigdirs ${libgcj}"
635 noconfigdirs="$noconfigdirs ${libgcj}"
638 noconfigdirs="$noconfigdirs ${libgcj}"
641 noconfigdirs="$noconfigdirs target-boehm-gc"
643 cris-*-* | crisv32-*-*)
644 unsupported_languages="$unsupported_languages java"
648 *) # See PR46792 regarding target-libffi.
649 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";;
653 # In this case, it's because the hppa64-linux target is for
654 # the kernel only at this point and has no libc, and thus no
655 # headers, crt*.o, etc., all of which are needed by these.
656 unsupported_languages="$unsupported_languages java"
659 noconfigdirs="$noconfigdirs ${libgcj}"
664 # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
665 # build on HP-UX 10.20.
666 noconfigdirs="$noconfigdirs ${libgcj}"
669 noconfigdirs="$noconfigdirs ${libgcj}"
671 i[[3456789]]86-w64-mingw*)
672 noconfigdirs="$noconfigdirs ${libgcj}"
674 i[[3456789]]86-*-mingw*)
675 noconfigdirs="$noconfigdirs ${libgcj}"
678 noconfigdirs="$noconfigdirs ${libgcj}"
681 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc"
684 # copied from rs6000-*-* entry
685 noconfigdirs="$noconfigdirs ${libgcj}"
688 noconfigdirs="$noconfigdirs ${libgcj}"
691 # Linking libjava exceeds command-line length limits on at least
692 # IRIX 6.2, but not on IRIX 6.5.
693 # Also, boehm-gc won't build on IRIX 6.5, according to Jeffrey Oldham
694 # <oldham@codesourcery.com>
695 noconfigdirs="$noconfigdirs ${libgcj}"
698 noconfigdirs="$noconfigdirs ${libgcj}"
702 # Default libgloss CPU subdirectory.
703 libgloss_dir="$target_cpu"
706 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
712 cris-*-* | crisv32-*-*)
721 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
738 # Disable newlib and libgloss for various target OSes.
741 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
743 i[[3456789]]86-*-linux*)
744 # This section makes it possible to build newlib natively on linux.
745 # If we are using a cross compiler then don't configure newlib.
746 if test x${is_cross_compiler} != xno ; then
747 noconfigdirs="$noconfigdirs target-newlib"
749 noconfigdirs="$noconfigdirs target-libgloss"
750 # If we are not using a cross compiler, do configure newlib.
751 # Note however, that newlib will only be configured in this situation
752 # if the --with-newlib option has been given, because otherwise
753 # 'target-newlib' will appear in skipdirs.
755 i[[3456789]]86-*-rdos*)
756 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
758 sh*-*-pe|mips*-*-pe|arm-wince-pe)
759 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
762 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
765 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
768 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
771 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
774 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
777 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
779 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
780 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
783 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
786 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
789 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
792 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
795 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
798 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
801 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
809 noconfigdirs="$noconfigdirs ld gas gdb gprof"
810 noconfigdirs="$noconfigdirs sim target-rda"
812 i[[3456789]]86-*-darwin*)
813 noconfigdirs="$noconfigdirs ld gprof"
814 noconfigdirs="$noconfigdirs sim target-rda"
816 x86_64-*-darwin[[912]]*)
817 noconfigdirs="$noconfigdirs ld gas gprof"
818 noconfigdirs="$noconfigdirs sim target-rda"
821 noconfigdirs="$noconfigdirs ld gas gdb gprof"
822 noconfigdirs="$noconfigdirs sim target-rda"
827 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
828 && test -f /usr/local/include/gmp.h; then
833 # Remove unsupported stuff on all kaOS configurations.
834 noconfigdirs="$noconfigdirs target-libgloss"
841 noconfigdirs="$noconfigdirs target-libgloss"
843 # The tpf target doesn't support gdb yet.
845 noconfigdirs="$noconfigdirs gdb tcl tk libgui itcl"
848 noconfigdirs="$noconfigdirs target-rda"
853 # ld works, but does not support shared libraries.
854 # gas doesn't generate exception information.
855 noconfigdirs="$noconfigdirs gas ld"
858 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
861 # newlib is not 64 bit ready
862 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
864 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
865 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
868 noconfigdirs="$noconfigdirs target-libgloss"
871 noconfigdirs="$noconfigdirs target-libgloss"
874 noconfigdirs="$noconfigdirs ld target-libgloss"
877 noconfigdirs="$noconfigdirs target-libgloss"
880 noconfigdirs="$noconfigdirs target-libgloss gdb"
883 noconfigdirs="$noconfigdirs gdb"
886 noconfigdirs="$noconfigdirs target-libgloss"
889 noconfigdirs="$noconfigdirs gdb"
892 noconfigdirs="$noconfigdirs gdb"
895 noconfigdirs="$noconfigdirs gprof"
898 noconfigdirs="$noconfigdirs target-libgloss"
901 noconfigdirs="$noconfigdirs target-libgloss"
903 hppa1.1-*-osf* | hppa1.1-*-bsd* )
915 noconfigdirs="$noconfigdirs ld"
920 noconfigdirs="$noconfigdirs ld"
923 noconfigdirs="$noconfigdirs gdb"
926 # No gdb support yet.
927 noconfigdirs="$noconfigdirs readline libgui itcl gdb"
931 noconfigdirs="$noconfigdirs libgui itcl ld"
934 # No gdb or ld support yet.
935 noconfigdirs="$noconfigdirs readline libgui itcl gdb ld"
937 i[[3456789]]86-w64-mingw*)
939 i[[3456789]]86-*-mingw*)
940 target_configdirs="$target_configdirs target-winsup"
943 target_configdirs="$target_configdirs target-libtermcap target-winsup"
944 noconfigdirs="$noconfigdirs target-libgloss"
945 # always build newlib if winsup directory is present.
946 if test -d "$srcdir/winsup/cygwin"; then
947 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
948 elif test -d "$srcdir/newlib"; then
949 echo "Warning: winsup/cygwin is missing so newlib can't be built."
953 noconfigdirs="$noconfigdirs target-libgloss"
955 i[[3456789]]86-*-sco3.2v5*)
956 # The linker does not yet know about weak symbols in COFF,
957 # and is not configured to handle mixed ELF and COFF.
958 noconfigdirs="$noconfigdirs ld target-libgloss"
960 i[[3456789]]86-*-sco*)
961 noconfigdirs="$noconfigdirs gprof target-libgloss"
963 i[[3456789]]86-*-solaris2* | x86_64-*-solaris2.1[[0-9]]*)
964 noconfigdirs="$noconfigdirs target-libgloss"
966 i[[3456789]]86-*-sysv4*)
967 noconfigdirs="$noconfigdirs target-libgloss"
969 i[[3456789]]86-*-beos*)
970 noconfigdirs="$noconfigdirs gdb"
972 i[[3456789]]86-*-rdos*)
973 noconfigdirs="$noconfigdirs gdb"
976 noconfigdirs="$noconfigdirs gdb"
979 noconfigdirs="$noconfigdirs sim"
982 # copied from rs6000-*-* entry
983 noconfigdirs="$noconfigdirs gprof"
985 powerpc*-*-winnt* | powerpc*-*-pe*)
986 target_configdirs="$target_configdirs target-winsup"
987 noconfigdirs="$noconfigdirs gdb tcl tk target-libgloss itcl"
988 # always build newlib.
989 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
991 # This is temporary until we can link against shared libraries
992 powerpcle-*-solaris*)
993 noconfigdirs="$noconfigdirs gdb sim tcl tk itcl"
996 noconfigdirs="$noconfigdirs gdb"
999 noconfigdirs="$noconfigdirs gprof"
1002 noconfigdirs="$noconfigdirs gprof"
1005 noconfigdirs="$noconfigdirs gprof"
1008 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss"
1011 noconfigdirs="$noconfigdirs gprof"
1014 if test x$with_newlib = xyes; then
1015 noconfigdirs="$noconfigdirs gprof"
1019 noconfigdirs="$noconfigdirs gprof target-libgloss"
1022 noconfigdirs="$noconfigdirs gprof target-libgloss"
1025 noconfigdirs="$noconfigdirs gprof target-libgloss"
1030 noconfigdirs="$noconfigdirs gprof"
1037 noconfigdirs="$noconfigdirs target-libgloss" ;;
1041 if test x${is_cross_compiler} = xno ; then
1046 noconfigdirs="$noconfigdirs sim"
1048 tilepro-*-* | tilegx-*-*)
1049 noconfigdirs="$noconfigdirs sim"
1052 noconfigdirs="$noconfigdirs bfd binutils gas gdb ld opcodes target-libgloss"
1055 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1059 # If we aren't building newlib, then don't build libgloss, since libgloss
1060 # depends upon some newlib header files.
1061 case "${noconfigdirs}" in
1062 *target-libgloss*) ;;
1063 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
1066 # Work in distributions that contain no compiler tools, like Autoconf.
1067 host_makefile_frag=/dev/null
1068 if test -d ${srcdir}/config ; then
1070 i[[3456789]]86-*-msdosdjgpp*)
1071 host_makefile_frag="config/mh-djgpp"
1074 ACX_CHECK_CYGWIN_CAT_WORKS
1075 host_makefile_frag="config/mh-cygwin"
1078 host_makefile_frag="config/mh-mingw"
1081 host_makefile_frag="config/mh-interix"
1084 host_makefile_frag="config/mh-pa-hpux10"
1087 host_makefile_frag="config/mh-pa"
1090 host_makefile_frag="config/mh-pa"
1093 host_makefile_frag="config/mh-darwin"
1096 host_makefile_frag="config/mh-ppc-aix"
1099 host_makefile_frag="config/mh-ppc-aix"
1104 if test "${build}" != "${host}" ; then
1105 AR_FOR_BUILD=${AR_FOR_BUILD-ar}
1106 AS_FOR_BUILD=${AS_FOR_BUILD-as}
1107 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
1108 CXX_FOR_BUILD=${CXX_FOR_BUILD-g++}
1109 GCJ_FOR_BUILD=${GCJ_FOR_BUILD-gcj}
1110 GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran}
1111 GOC_FOR_BUILD=${GOC_FOR_BUILD-gccgo}
1112 DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool}
1113 LD_FOR_BUILD=${LD_FOR_BUILD-ld}
1114 NM_FOR_BUILD=${NM_FOR_BUILD-nm}
1115 RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib}
1116 WINDRES_FOR_BUILD=${WINDRES_FOR_BUILD-windres}
1117 WINDMC_FOR_BUILD=${WINDMC_FOR_BUILD-windmc}
1119 AR_FOR_BUILD="\$(AR)"
1120 AS_FOR_BUILD="\$(AS)"
1121 CC_FOR_BUILD="\$(CC)"
1122 CXX_FOR_BUILD="\$(CXX)"
1123 GCJ_FOR_BUILD="\$(GCJ)"
1124 GFORTRAN_FOR_BUILD="\$(GFORTRAN)"
1125 GOC_FOR_BUILD="\$(GOC)"
1126 DLLTOOL_FOR_BUILD="\$(DLLTOOL)"
1127 LD_FOR_BUILD="\$(LD)"
1128 NM_FOR_BUILD="\$(NM)"
1129 RANLIB_FOR_BUILD="\$(RANLIB)"
1130 WINDRES_FOR_BUILD="\$(WINDRES)"
1131 WINDMC_FOR_BUILD="\$(WINDMC)"
1137 # We must set the default linker to the linker used by gcc for the correct
1138 # operation of libtool. If LD is not defined and we are using gcc, try to
1139 # set the LD default to the ld used by gcc.
1140 if test -z "$LD"; then
1141 if test "$GCC" = yes; then
1144 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1146 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1148 case $gcc_prog_ld in
1149 # Accept absolute paths.
1150 [[\\/]* | [A-Za-z]:[\\/]*)]
1151 LD="$gcc_prog_ld" ;;
1157 ACX_PROG_CMP_IGNORE_INITIAL
1159 AC_ARG_ENABLE([bootstrap],
1160 [AS_HELP_STRING([--enable-bootstrap],
1161 [enable bootstrapping @<:@yes if native build@:>@])],,
1162 enable_bootstrap=default)
1164 # Issue errors and warnings for invalid/strange bootstrap combinations.
1165 if test -r $srcdir/gcc/configure; then
1171 case "$have_compiler:$host:$target:$enable_bootstrap" in
1174 # Default behavior. Enable bootstrap if we have a compiler
1175 # and we are in a native configuration.
1176 yes:$build:$build:default)
1177 enable_bootstrap=yes ;;
1180 enable_bootstrap=no ;;
1182 # We have a compiler and we are in a native configuration, bootstrap is ok
1183 yes:$build:$build:yes)
1186 # Other configurations, but we have a compiler. Assume the user knows
1189 AC_MSG_WARN([trying to bootstrap a cross compiler])
1192 # No compiler: if they passed --enable-bootstrap explicitly, fail
1194 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
1196 # Fail if wrong command line
1198 AC_MSG_ERROR([invalid option for --enable-bootstrap])
1202 # See if we are building gcc with C++.
1203 AC_ARG_ENABLE(build-with-cxx,
1204 [AS_HELP_STRING([--enable-build-with-cxx],
1205 [build with C++ compiler instead of C compiler])],
1206 ENABLE_BUILD_WITH_CXX=$enableval,
1207 ENABLE_BUILD_WITH_CXX=no)
1209 # Build stage1 with C and build stages 2 and 3 with C++.
1210 AC_ARG_ENABLE(build-poststage1-with-cxx,
1211 [AS_HELP_STRING([--enable-build-poststage1-with-cxx],
1212 [build stages 2 and 3 with C++, not C])],
1213 ENABLE_BUILD_POSTSTAGE1_WITH_CXX=$enableval,
1214 ENABLE_BUILD_POSTSTAGE1_WITH_CXX=yes)
1216 # Used for setting $lt_cv_objdir
1219 # Check for GMP, MPFR and MPC
1220 gmplibs="-lmpc -lmpfr -lgmp"
1224 # Specify a location for mpc
1225 # check for this first so it ends up on the link line before mpfr.
1227 [AS_HELP_STRING([--with-mpc=PATH],
1228 [specify prefix directory for installed MPC package.
1229 Equivalent to --with-mpc-include=PATH/include
1230 plus --with-mpc-lib=PATH/lib])])
1231 AC_ARG_WITH(mpc-include,
1232 [AS_HELP_STRING([--with-mpc-include=PATH],
1233 [specify directory for installed MPC include files])])
1234 AC_ARG_WITH(mpc-lib,
1235 [AS_HELP_STRING([--with-mpc-lib=PATH],
1236 [specify directory for the installed MPC library])])
1238 if test "x$with_mpc" != x; then
1239 gmplibs="-L$with_mpc/lib $gmplibs"
1240 gmpinc="-I$with_mpc/include $gmpinc"
1242 if test "x$with_mpc_include" != x; then
1243 gmpinc="-I$with_mpc_include $gmpinc"
1245 if test "x$with_mpc_lib" != x; then
1246 gmplibs="-L$with_mpc_lib $gmplibs"
1248 if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then
1249 gmplibs='-L$$r/$(HOST_SUBDIR)/mpc/src/'"$lt_cv_objdir $gmplibs"
1250 gmpinc='-I$$s/mpc/src '"$gmpinc"
1251 # Do not test the mpc version. Assume that it is sufficient, since
1252 # it is in the source tree, and the library has not been built yet
1253 # but it would be included on the link line in the version check below
1254 # hence making the test fail.
1258 # Specify a location for mpfr
1259 # check for this first so it ends up on the link line before gmp.
1260 AC_ARG_WITH(mpfr-dir,
1261 [AS_HELP_STRING([--with-mpfr-dir=PATH], [this option has been REMOVED])],
1262 [AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed.
1263 Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH])])
1266 [AS_HELP_STRING([--with-mpfr=PATH],
1267 [specify prefix directory for installed MPFR package.
1268 Equivalent to --with-mpfr-include=PATH/include
1269 plus --with-mpfr-lib=PATH/lib])])
1270 AC_ARG_WITH(mpfr-include,
1271 [AS_HELP_STRING([--with-mpfr-include=PATH],
1272 [specify directory for installed MPFR include files])])
1273 AC_ARG_WITH(mpfr-lib,
1274 [AS_HELP_STRING([--with-mpfr-lib=PATH],
1275 [specify directory for the installed MPFR library])])
1277 if test "x$with_mpfr" != x; then
1278 gmplibs="-L$with_mpfr/lib $gmplibs"
1279 gmpinc="-I$with_mpfr/include $gmpinc"
1281 if test "x$with_mpfr_include" != x; then
1282 gmpinc="-I$with_mpfr_include $gmpinc"
1284 if test "x$with_mpfr_lib" != x; then
1285 gmplibs="-L$with_mpfr_lib $gmplibs"
1287 if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then
1288 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir $gmplibs"
1289 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr -I$$s/mpfr '"$gmpinc"
1290 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir"
1291 # Do not test the mpfr version. Assume that it is sufficient, since
1292 # it is in the source tree, and the library has not been built yet
1293 # but it would be included on the link line in the version check below
1294 # hence making the test fail.
1298 # Specify a location for gmp
1299 AC_ARG_WITH(gmp-dir,
1300 [AS_HELP_STRING([--with-gmp-dir=PATH], [this option has been REMOVED])],
1301 [AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed.
1302 Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH])])
1305 [AS_HELP_STRING([--with-gmp=PATH],
1306 [specify prefix directory for the installed GMP package.
1307 Equivalent to --with-gmp-include=PATH/include
1308 plus --with-gmp-lib=PATH/lib])])
1309 AC_ARG_WITH(gmp-include,
1310 [AS_HELP_STRING([--with-gmp-include=PATH],
1311 [specify directory for installed GMP include files])])
1312 AC_ARG_WITH(gmp-lib,
1313 [AS_HELP_STRING([--with-gmp-lib=PATH],
1314 [specify directory for the installed GMP library])])
1317 if test "x$with_gmp" != x; then
1318 gmplibs="-L$with_gmp/lib $gmplibs"
1319 gmpinc="-I$with_gmp/include $gmpinc"
1321 if test "x$with_gmp_include" != x; then
1322 gmpinc="-I$with_gmp_include $gmpinc"
1324 if test "x$with_gmp_lib" != x; then
1325 gmplibs="-L$with_gmp_lib $gmplibs"
1327 if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then
1328 gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir $gmplibs"
1329 gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc"
1330 extra_mpfr_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
1331 extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
1332 # Do not test the gmp version. Assume that it is sufficient, since
1333 # it is in the source tree, and the library has not been built yet
1334 # but it would be included on the link line in the version check below
1335 # hence making the test fail.
1339 if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then
1341 saved_CFLAGS="$CFLAGS"
1342 CFLAGS="$CFLAGS $gmpinc"
1343 # Check for the recommended and required versions of GMP.
1344 AC_MSG_CHECKING([for the correct version of gmp.h])
1345 AC_TRY_COMPILE([#include "gmp.h"],[
1346 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1347 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1348 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,0)
1351 ], [AC_TRY_COMPILE([#include <gmp.h>],[
1352 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1353 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1354 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,3,2)
1357 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1358 [AC_MSG_RESULT([no]); have_gmp=no])
1360 # If we have GMP, check the MPFR version.
1361 if test x"$have_gmp" = xyes; then
1362 # Check for the recommended and required versions of MPFR.
1363 AC_MSG_CHECKING([for the correct version of mpfr.h])
1364 AC_TRY_COMPILE([#include <gmp.h>
1365 #include <mpfr.h>],[
1366 #if MPFR_VERSION < MPFR_VERSION_NUM(2,3,1)
1369 ], [AC_TRY_COMPILE([#include <gmp.h>
1370 #include <mpfr.h>],[
1371 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,2)
1374 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1375 [AC_MSG_RESULT([no]); have_gmp=no])
1378 # Check for the MPC header version.
1379 if test x"$have_gmp" = xyes ; then
1380 # Check for the recommended and required versions of MPC.
1381 AC_MSG_CHECKING([for the correct version of mpc.h])
1382 AC_TRY_COMPILE([#include <mpc.h>],[
1383 #if MPC_VERSION < MPC_VERSION_NUM(0,8,0)
1386 ], [AC_TRY_COMPILE([#include <mpc.h>],[
1387 #if MPC_VERSION < MPC_VERSION_NUM(0,8,1)
1390 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1391 [AC_MSG_RESULT([no]); have_gmp=no])
1394 # Now check the MPFR library.
1395 if test x"$have_gmp" = xyes; then
1397 LIBS="$LIBS $gmplibs"
1398 AC_MSG_CHECKING([for the correct version of the gmp/mpfr/mpc libraries])
1399 AC_TRY_LINK([#include <mpc.h>],[
1406 mpfr_atan2 (n, n, x, GMP_RNDN);
1407 mpfr_erfc (n, x, GMP_RNDN);
1408 mpfr_subnormalize (x, t, GMP_RNDN);
1412 mpc_set_ui_ui (c, 1, 1, MPC_RNDNN);
1413 mpc_cosh (c, c, MPC_RNDNN);
1414 mpc_pow (c, c, c, MPC_RNDNN);
1415 mpc_acosh (c, c, MPC_RNDNN);
1417 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1421 CFLAGS="$saved_CFLAGS"
1423 # The library versions listed in the error message below should match
1424 # the HARD-minimums enforced above.
1425 if test x$have_gmp != xyes; then
1426 AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 2.3.1+ and MPC 0.8.0+.
1427 Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify
1428 their locations. Source code for these libraries can be found at
1429 their respective hosting sites as well as at
1430 ftp://gcc.gnu.org/pub/gcc/infrastructure/. See also
1431 http://gcc.gnu.org/install/prerequisites.html for additional info. If
1432 you obtained GMP, MPFR and/or MPC from a vendor distribution package,
1433 make sure that you have installed both the libraries and the header
1434 files. They may be located in separate packages.])
1438 # Flags needed for both GMP, MPFR and/or MPC.
1441 AC_SUBST(extra_mpfr_configure_flags)
1442 AC_SUBST(extra_mpc_gmp_configure_flags)
1443 AC_SUBST(extra_mpc_mpfr_configure_flags)
1445 # Allow host libstdc++ to be specified for static linking with PPL.
1446 AC_ARG_WITH(host-libstdcxx,
1447 [AS_HELP_STRING([--with-host-libstdcxx=L],
1448 [use linker arguments L to link with libstdc++
1449 when linking with PPL])])
1451 case $with_host_libstdcxx in
1453 AC_MSG_ERROR([-with-host-libstdcxx needs an argument])
1457 # Linker flags to use for stage1 or when not boostrapping.
1458 AC_ARG_WITH(stage1-ldflags,
1459 [AS_HELP_STRING([--with-stage1-ldflags=FLAGS], [linker flags for stage1])],
1460 [if test "$withval" = "no" -o "$withval" = "yes"; then
1463 stage1_ldflags=$withval
1466 AC_SUBST(stage1_ldflags)
1468 # Libraries to use for stage1 or when not bootstrapping.
1469 AC_ARG_WITH(stage1-libs,
1470 [AS_HELP_STRING([--with-stage1-libs=LIBS], [libraries for stage1])],
1471 [if test "$withval" = "no" -o "$withval" = "yes"; then
1474 stage1_libs=$withval
1476 [stage1_libs=$with_host_libstdcxx])
1477 AC_SUBST(stage1_libs)
1479 # Libraries to use for stage2 and later builds. This defaults to the
1480 # argument passed to --with-host-libstdcxx.
1481 AC_ARG_WITH(boot-libs,
1482 [AS_HELP_STRING([--with-boot-libs=LIBS], [libraries for stage2 and later])],
1483 [if test "$withval" = "no" -o "$withval" = "yes"; then
1486 poststage1_libs=$withval
1488 [poststage1_libs=$with_host_libstdcxx])
1489 AC_SUBST(poststage1_libs)
1491 # Linker flags to use for stage2 and later builds.
1492 AC_ARG_WITH(boot-ldflags,
1493 [AS_HELP_STRING([--with-boot-ldflags=FLAGS],
1494 [linker flags for stage2 and later])],
1495 [if test "$withval" = "no" -o "$withval" = "yes"; then
1498 poststage1_ldflags=$withval
1500 [poststage1_ldflags=
1501 # In stages 2 and 3, default to linking libstdc++ and libgcc
1502 # statically. But if the user explicitly specified the libraries to
1503 # use, trust that they are doing what they want.
1504 if test "$poststage1_libs" = ""; then
1505 poststage1_ldflags="-static-libstdc++ -static-libgcc"
1507 AC_SUBST(poststage1_ldflags)
1515 [AS_HELP_STRING([--with-ppl=PATH],
1516 [specify prefix directory for the installed PPL package.
1517 Equivalent to --with-ppl-include=PATH/include
1518 plus --with-ppl-lib=PATH/lib])])
1519 AC_ARG_WITH(ppl-include,
1520 [AS_HELP_STRING([--with-ppl-include=PATH],
1521 [specify directory for installed PPL include files])])
1522 AC_ARG_WITH(ppl-lib,
1523 [AS_HELP_STRING([--with-ppl-lib=PATH],
1524 [specify directory for the installed PPL library])])
1526 AC_ARG_ENABLE(ppl-version-check,
1527 [AS_HELP_STRING([--disable-ppl-version-check],
1528 [disable check for PPL version])])
1534 ppllibs="-L$with_ppl/lib"
1535 pplinc="-I$with_ppl/include $pplinc"
1536 if test -d "$with_ppl/lib" && test -d "$with_ppl/include"; then
1539 AC_MSG_ERROR([cannot find directories "$with_ppl/lib" or "$with_ppl/include"])
1544 if test x"$with_ppl_include" != x; then
1545 pplinc="-I$with_ppl_include $pplinc"
1549 if test "x$with_ppl_lib" != x; then
1550 ppllibs="-L$with_ppl_lib"
1554 if test x"$with_ppl$with_ppl_include$with_ppl_lib" = x && test -d ${srcdir}/ppl; then
1555 if test x"$enable_watchdog" = xyes; then
1558 ppllibs='-L$$r/$(HOST_SUBDIR)/ppl/interfaces/C/'"$lt_cv_objdir"' -L$$r/$(HOST_SUBDIR)/ppl/src/'"$lt_cv_objdir"
1559 pplinc='-I$$r/$(HOST_SUBDIR)/ppl/src -I$$r/$(HOST_SUBDIR)/ppl/interfaces/C '
1560 enable_ppl_version_check=no
1564 if test "x$with_ppl" != xno; then
1565 if test "x$pwllib" = x; then
1567 LIBS="$LIBS $ppllibs -lstdc++ -lm"
1568 AC_CHECK_LIB(pwl, PWL_handle_timeout, [pwllib="-lpwl"])
1572 ppllibs="$ppllibs -lppl_c -lppl $pwllib -lgmpxx"
1574 if test "$enable_ppl_version_check" != no; then
1575 saved_CFLAGS="$CFLAGS"
1576 CFLAGS="$CFLAGS $pplinc $gmpinc"
1577 AC_MSG_CHECKING([for version 0.11 (revision 0 or later) of PPL])
1578 AC_TRY_COMPILE([#include "ppl_c.h"],[
1579 #if PPL_VERSION_MAJOR != 0 || PPL_VERSION_MINOR < 11
1582 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); ppllibs= ; pplinc= ; with_ppl=no ])
1583 CFLAGS="$saved_CFLAGS"
1587 # Flags needed for PPL
1594 dnl Provide configure switches and initialize clooginc & clooglibs
1595 dnl with user input.
1597 if test "x$with_ppl" = "xno"; then
1598 dnl Only execute fail-action, if CLooG has been requested.
1599 CLOOG_REQUESTED([graphite_requested=yes], [graphite_requested=no])
1600 if test "${graphite_requested}" = yes; then
1601 AC_MSG_ERROR([Unable to find a usable PPL. See config.log for details.])
1605 if test "x${with_cloog}" = x && test "x${with_cloog_include}" = x \
1606 && test "x${with_cloog_lib}" = x && test -d ${srcdir}/cloog; then
1607 clooglibs='-L$$r/$(HOST_SUBDIR)/cloog/'"$lt_cv_objdir"' '
1608 clooginc='-I$$r/$(HOST_SUBDIR)/cloog/include -I$$s/cloog/include '
1610 if test "x$with_cloog" != "xno"; then
1611 dnl The minimal version of CLooG required for Graphite.
1613 dnl If we use CLooG-Legacy, the provided version information is
1615 CLOOG_CHECK_VERSION(0,16,1)
1617 dnl Only execute fail-action, if CLooG has been requested.
1619 AC_MSG_ERROR([Unable to find a usable CLooG. See config.log for details.])])
1622 # Check for LTO support.
1624 [AS_HELP_STRING([--enable-lto], [enable link time optimization support])],
1625 enable_lto=$enableval,
1626 enable_lto=yes; default_enable_lto=yes)
1628 ACX_ELF_TARGET_IFELSE([# ELF platforms build the lto-plugin always.
1629 build_lto_plugin=yes
1630 ],[if test x"$default_enable_lto" = x"yes" ; then
1632 *-apple-darwin9* | *-cygwin* | *-mingw*) ;;
1633 # On other non-ELF platforms, LTO has yet to be validated.
1637 # Apart from ELF platforms, only Windows and Darwin support LTO so far.
1638 # It would also be nice to check the binutils support, but we don't
1639 # have gcc_GAS_CHECK_FEATURE available here. For now, we'll just
1640 # warn during gcc/ subconfigure; unless you're bootstrapping with
1641 # -flto it won't be needed until after installation anyway.
1643 *-cygwin* | *-mingw* | *-apple-darwin*) ;;
1644 *) if test x"$enable_lto" = x"yes"; then
1645 AC_MSG_ERROR([LTO support is not enabled for this target.])
1650 # Among non-ELF, only Windows platforms support the lto-plugin so far.
1651 # Build it unless LTO was explicitly disabled.
1653 *-cygwin* | *-mingw*) build_lto_plugin=$enable_lto ;;
1659 # By default, C is the only stage 1 language.
1660 stage1_languages=,c,
1662 # Target libraries that we bootstrap.
1663 bootstrap_target_libs=,target-libgcc,
1665 # Figure out what language subdirectories are present.
1666 # Look if the user specified --enable-languages="..."; if not, use
1667 # the environment variable $LANGUAGES if defined. $LANGUAGES might
1669 # NB: embedded tabs in this IF block -- do not untabify
1670 if test -d ${srcdir}/gcc; then
1671 if test x"${enable_languages+set}" != xset; then
1672 if test x"${LANGUAGES+set}" = xset; then
1673 enable_languages="${LANGUAGES}"
1674 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1676 enable_languages=all
1679 if test x"${enable_languages}" = x ||
1680 test x"${enable_languages}" = xyes;
1682 echo configure.in: --enable-languages needs at least one language argument 1>&2
1686 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1688 # 'f95' is the old name for the 'fortran' language. We issue a warning
1689 # and make the substitution.
1690 case ,${enable_languages}, in
1692 echo configure.in: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2
1693 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'`
1697 # If bootstrapping, then using --enable-build-with-cxx or
1698 # --enable-build-poststage1-with-cxx requires enabling C++.
1699 case ",$enable_languages,:,$ENABLE_BUILD_WITH_CXX,$ENABLE_BUILD_POSTSTAGE1_WITH_CXX,:$enable_bootstrap" in
1702 if test -f ${srcdir}/gcc/cp/config-lang.in; then
1703 enable_languages="${enable_languages},c++"
1705 AC_MSG_ERROR([bootstrapping with --enable-build-with-cxx or --enable-build-poststage1-with-cxx requires c++ sources])
1710 # First scan to see if an enabled language requires some other language.
1711 # We assume that a given config-lang.in will list all the language
1712 # front ends it requires, even if some are required indirectly.
1713 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1714 case ${lang_frag} in
1716 # The odd quoting in the next line works around
1717 # an apparent bug in bash 1.12 on linux.
1718 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1720 # From the config-lang.in, get $language, $lang_requires, and
1721 # $lang_requires_boot_languages.
1724 lang_requires_boot_languages=
1726 for other in ${lang_requires} ${lang_requires_boot_languages}; do
1727 case ,${enable_languages}, in
1731 echo " \`$other' language required by \`$language'; enabling" 1>&2
1732 enable_languages="${enable_languages},${other}"
1736 for other in ${lang_requires_boot_languages} ; do
1737 if test "$other" != "c"; then
1738 case ,${enable_stage1_languages}, in
1742 case ,${enable_languages}, in
1744 echo " '$other' language required by '$language' in stage 1; enabling" 1>&2
1745 enable_stage1_languages="$enable_stage1_languages,${other}"
1756 new_enable_languages=,c,
1758 # If LTO is enabled, add the LTO front end.
1759 extra_host_libiberty_configure_flags=
1760 if test "$enable_lto" = "yes" ; then
1761 case ,${enable_languages}, in
1763 *) enable_languages="${enable_languages},lto" ;;
1765 if test "${build_lto_plugin}" = "yes" ; then
1766 configdirs="$configdirs lto-plugin"
1767 extra_host_libiberty_configure_flags=--enable-shared
1770 AC_SUBST(extra_host_libiberty_configure_flags)
1772 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
1773 potential_languages=,c,
1775 enabled_target_libs=
1776 disabled_target_libs=
1778 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1779 case ${lang_frag} in
1781 # The odd quoting in the next line works around
1782 # an apparent bug in bash 1.12 on linux.
1783 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1785 # From the config-lang.in, get $language, $target_libs,
1786 # $lang_dirs, $boot_language, and $build_by_default
1792 build_by_default=yes
1794 if test x${language} = x; then
1795 echo "${lang_frag} doesn't set \$language." 1>&2
1799 if test "$language" = "c++"; then
1800 if test "$ENABLE_BUILD_WITH_CXX" = "yes" \
1801 || test "$ENABLE_BUILD_POSTSTAGE1_WITH_CXX" = "yes"; then
1806 case ,${enable_languages}, in
1808 # Language was explicitly selected; include it.
1812 # 'all' was selected, select it if it is a default language
1813 add_this_lang=${build_by_default}
1820 # Disable languages that need other directories if these aren't available.
1821 for i in $subdir_requires; do
1822 test -f "$srcdir/gcc/$i/config-lang.in" && continue
1823 case ,${enable_languages}, in
1825 # Specifically requested language; tell them.
1826 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing])
1830 add_this_lang=unsupported
1835 # Disable Ada if no preexisting GNAT is available.
1836 case ,${enable_languages},:${language}:${have_gnat} in
1837 *,${language},*:ada:no)
1838 # Specifically requested language; tell them.
1839 AC_MSG_ERROR([GNAT is required to build $language])
1843 add_this_lang=unsupported
1847 # Disable a language that is unsupported by the target.
1848 case " $unsupported_languages " in
1850 add_this_lang=unsupported
1854 case $add_this_lang in
1856 # Remove language-dependent dirs.
1857 disabled_target_libs="$disabled_target_libs $target_libs"
1858 noconfigdirs="$noconfigdirs $lang_dirs"
1861 # Remove language-dependent dirs; still show language as supported.
1862 disabled_target_libs="$disabled_target_libs $target_libs"
1863 noconfigdirs="$noconfigdirs $lang_dirs"
1864 potential_languages="${potential_languages}${language},"
1867 new_enable_languages="${new_enable_languages}${language},"
1868 potential_languages="${potential_languages}${language},"
1869 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
1870 enabled_target_libs="$enabled_target_libs $target_libs"
1871 case "${boot_language}:,$enable_stage1_languages," in
1872 yes:* | *:*,$language,* | *:*,yes, | *:*,all,)
1873 # Add to (comma-separated) list of stage 1 languages.
1874 case ",$stage1_languages," in
1875 *,$language,* | ,yes, | ,all,) ;;
1876 *) stage1_languages="${stage1_languages}${language}," ;;
1878 # We need to bootstrap any supporting libraries.
1879 bootstrap_target_libs="${bootstrap_target_libs}${target_libs},"
1888 # Add target libraries which are only needed for disabled languages
1890 if test -n "$disabled_target_libs"; then
1891 for dir in $disabled_target_libs; do
1892 case " $enabled_target_libs " in
1894 *) noconfigdirs="$noconfigdirs $dir" ;;
1899 AC_ARG_ENABLE(stage1-languages,
1900 [AS_HELP_STRING([[--enable-stage1-languages[=all]]],
1901 [choose additional languages to build during
1902 stage1. Mostly useful for compiler development])],
1903 [case ,${enable_stage1_languages}, in
1905 # Set it to something that will have no effect in the loop below
1906 enable_stage1_languages=c ;;
1908 enable_stage1_languages=`echo $new_enable_languages | \
1909 sed -e "s/^,//" -e "s/,$//" ` ;;
1911 enable_stage1_languages=`echo ,$enable_stage1_languages, | \
1912 sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;;
1915 # Add "good" languages from enable_stage1_languages to stage1_languages,
1916 # while "bad" languages go in missing_languages. Leave no duplicates.
1917 for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do
1918 case $potential_languages in
1920 case $stage1_languages in
1922 *) stage1_languages="$stage1_languages$i," ;;
1925 case $missing_languages in
1927 *) missing_languages="$missing_languages$i," ;;
1932 # Remove leading/trailing commas that were added for simplicity
1933 potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"`
1934 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
1935 stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"`
1936 new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"`
1938 if test "x$missing_languages" != x; then
1940 The following requested languages could not be built: ${missing_languages}
1941 Supported languages are: ${potential_languages}])
1943 if test "x$new_enable_languages" != "x$enable_languages"; then
1944 echo The following languages will be built: ${new_enable_languages}
1945 enable_languages="$new_enable_languages"
1948 AC_SUBST(stage1_languages)
1949 ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" `
1952 # Handle --disable-<component> generically.
1953 for dir in $configdirs $build_configdirs $target_configdirs ; do
1954 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g`
1955 varname=`echo $dirname | sed -e s/+/_/g`
1956 if eval test x\${enable_${varname}} "=" xno ; then
1957 noconfigdirs="$noconfigdirs $dir"
1961 # Check for Boehm's garbage collector
1962 AC_ARG_ENABLE(objc-gc,
1963 [AS_HELP_STRING([--enable-objc-gc],
1964 [enable use of Boehm's garbage collector with the
1965 GNU Objective-C runtime])],
1966 [case ,${enable_languages},:${enable_objc_gc}:${noconfigdirs} in
1967 *,objc,*:*:yes:*target-boehm-gc*)
1968 AC_MSG_ERROR([Boehm's garbage collector was requested yet not supported in this configuration])
1972 # Make sure we only build Boehm's garbage collector if required.
1973 case ,${enable_languages},:${enable_objc_gc} in
1975 # Keep target-boehm-gc if requested for Objective-C.
1978 # Otherwise remove target-boehm-gc depending on target-libjava.
1979 if echo " ${noconfigdirs} " | grep "target-libjava" >/dev/null 2>&1; then
1980 noconfigdirs="$noconfigdirs target-boehm-gc"
1985 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
1986 # $build_configdirs and $target_configdirs.
1987 # If we have the source for $noconfigdirs entries, add them to $notsupp.
1990 for dir in . $skipdirs $noconfigdirs ; do
1991 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
1992 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1993 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
1994 if test -r $srcdir/$dirname/configure ; then
1995 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1998 notsupp="$notsupp $dir"
2002 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2003 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"`
2004 if test -r $srcdir/$dirname/configure ; then
2005 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2008 notsupp="$notsupp $dir"
2012 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2013 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
2014 if test -r $srcdir/$dirname/configure ; then
2015 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2018 notsupp="$notsupp $dir"
2024 # Quietly strip out all directories which aren't configurable in this tree.
2025 # This relies on all configurable subdirectories being autoconfiscated, which
2027 build_configdirs_all="$build_configdirs"
2029 for i in ${build_configdirs_all} ; do
2030 j=`echo $i | sed -e s/build-//g`
2031 if test -f ${srcdir}/$j/configure ; then
2032 build_configdirs="${build_configdirs} $i"
2036 configdirs_all="$configdirs"
2038 for i in ${configdirs_all} ; do
2039 if test -f ${srcdir}/$i/configure ; then
2040 configdirs="${configdirs} $i"
2044 target_configdirs_all="$target_configdirs"
2046 for i in ${target_configdirs_all} ; do
2047 j=`echo $i | sed -e s/target-//g`
2048 if test -f ${srcdir}/$j/configure ; then
2049 target_configdirs="${target_configdirs} $i"
2053 # Produce a warning message for the subdirs we can't configure.
2054 # This isn't especially interesting in the Cygnus tree, but in the individual
2055 # FSF releases, it's important to let people know when their machine isn't
2056 # supported by the one or two programs in a package.
2058 if test -n "${notsupp}" && test -z "${norecursion}" ; then
2059 # If $appdirs is non-empty, at least one of those directories must still
2060 # be configured, or we error out. (E.g., if the gas release supports a
2061 # specified target in some subdirs but not the gas subdir, we shouldn't
2062 # pretend that all is well.)
2063 if test -n "$appdirs" ; then
2064 for dir in $appdirs ; do
2065 if test -r $dir/Makefile.in ; then
2066 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2070 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
2076 if test -n "$appdirs" ; then
2077 echo "*** This configuration is not supported by this package." 1>&2
2081 # Okay, some application will build, or we don't care to check. Still
2082 # notify of subdirs not getting built.
2083 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
2084 echo " ${notsupp}" 1>&2
2085 echo " (Any other directories should still work fine.)" 1>&2
2093 # To find our prefix, in gcc_cv_tool_prefix.
2098 AC_ARG_WITH([build-sysroot],
2099 [AS_HELP_STRING([--with-build-sysroot=SYSROOT],
2100 [use sysroot as the system root during the build])],
2101 [if test x"$withval" != x ; then
2102 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval"
2104 [SYSROOT_CFLAGS_FOR_TARGET=])
2105 AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET)
2107 AC_ARG_WITH([debug-prefix-map],
2108 [AS_HELP_STRING([--with-debug-prefix-map='A=B C=D ...'],
2109 [map A to B, C to D ... in debug information])],
2110 [if test x"$withval" != x; then
2111 DEBUG_PREFIX_CFLAGS_FOR_TARGET=
2112 for debug_map in $withval; do
2113 DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map"
2116 [DEBUG_PREFIX_CFLAGS_FOR_TARGET=])
2117 AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET)
2119 # During gcc bootstrap, if we use some random cc for stage1 then CFLAGS
2120 # might be empty or "-g". We don't require a C++ compiler, so CXXFLAGS
2121 # might also be empty (or "-g", if a non-GCC C++ compiler is in the path).
2122 # We want to ensure that TARGET libraries (which we know are built with
2123 # gcc) are built with "-O2 -g", so include those options when setting
2124 # CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET.
2125 if test "x$CFLAGS_FOR_TARGET" = x; then
2126 CFLAGS_FOR_TARGET=$CFLAGS
2129 *) CFLAGS_FOR_TARGET="-O2 $CFLAGS" ;;
2132 *" -g "* | *" -g3 "*) ;;
2133 *) CFLAGS_FOR_TARGET="-g $CFLAGS" ;;
2136 AC_SUBST(CFLAGS_FOR_TARGET)
2138 if test "x$CXXFLAGS_FOR_TARGET" = x; then
2139 CXXFLAGS_FOR_TARGET=$CXXFLAGS
2140 case " $CXXFLAGS " in
2142 *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS" ;;
2144 case " $CXXFLAGS " in
2145 *" -g "* | *" -g3 "*) ;;
2146 *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS" ;;
2149 AC_SUBST(CXXFLAGS_FOR_TARGET)
2151 AC_SUBST(LDFLAGS_FOR_TARGET)
2153 # Handle --with-headers=XXX. If the value is not "yes", the contents of
2154 # the named directory are copied to $(tooldir)/sys-include.
2155 if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
2156 if test x${is_cross_compiler} = xno ; then
2157 echo 1>&2 '***' --with-headers is only supported when cross compiling
2160 if test x"${with_headers}" != xyes ; then
2161 x=${gcc_cv_tool_prefix}
2162 copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include"
2166 # Handle --with-libs=XXX. If the value is not "yes", the contents of
2167 # the name directories are copied to $(tooldir)/lib. Multiple directories
2169 if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
2170 if test x${is_cross_compiler} = xno ; then
2171 echo 1>&2 '***' --with-libs is only supported when cross compiling
2174 if test x"${with_libs}" != xyes ; then
2175 # Copy the libraries in reverse order, so that files in the first named
2176 # library override files in subsequent libraries.
2177 x=${gcc_cv_tool_prefix}
2178 for l in ${with_libs}; do
2179 copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}"
2184 # Set with_gnu_as, with_gnu_ld, and with_system_zlib as appropriate.
2186 # This is done by determining whether or not the appropriate directory
2187 # is available, and by checking whether or not specific configurations
2188 # have requested that this magic not happen.
2190 # The command line options always override the explicit settings in
2191 # configure.in, and the settings in configure.in override this magic.
2193 # If the default for a toolchain is to use GNU as and ld, and you don't
2194 # want to do that, then you should use the --without-gnu-as and
2195 # --without-gnu-ld options for the configure script. Similarly, if
2196 # the default is to use the included zlib and you don't want to do that,
2197 # you should use the --with-system-zlib option for the configure script.
2199 if test x${use_gnu_as} = x &&
2200 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
2202 extra_host_args="$extra_host_args --with-gnu-as"
2205 if test x${use_gnu_ld} = x &&
2206 echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then
2208 extra_host_args="$extra_host_args --with-gnu-ld"
2211 if test x${use_included_zlib} = x &&
2212 echo " ${configdirs} " | grep " zlib " > /dev/null 2>&1 ; then
2215 with_system_zlib=yes
2216 extra_host_args="$extra_host_args --with-system-zlib"
2219 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
2220 # can detect this case.
2222 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
2224 extra_host_args="$extra_host_args --with-newlib"
2227 # Handle ${copy_dirs}
2228 set fnord ${copy_dirs}
2230 while test $# != 0 ; do
2231 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
2234 echo Copying $1 to $2
2236 # Use the install script to create the directory and all required
2237 # parent directories.
2238 if test -d $2 ; then
2242 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
2245 # Copy the directory, assuming we have tar.
2246 # FIXME: Should we use B in the second tar? Not all systems support it.
2247 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
2249 # It is the responsibility of the user to correctly adjust all
2250 # symlinks. If somebody can figure out how to handle them correctly
2251 # here, feel free to add the code.
2258 # Determine a target-dependent exec_prefix that the installed
2259 # gcc will search in. Keep this list sorted by triplet, with
2260 # the *-*-osname triplets last.
2263 i[[34567]]86-pc-msdosdjgpp*)
2264 md_exec_prefix=/dev/env/DJDIR/bin
2269 md_exec_prefix=/usr/ccs/bin
2273 extra_arflags_for_target=
2274 extra_nmflags_for_target=
2275 extra_ranlibflags_for_target=
2276 target_makefile_frag=/dev/null
2279 target_makefile_frag="config/mt-spu"
2282 target_makefile_frag="config/mt-sde"
2284 mipsisa*-*-elfoabi*)
2285 target_makefile_frag="config/mt-mips-elfoabi"
2287 mips*-*-*linux* | mips*-*-gnu*)
2288 target_makefile_frag="config/mt-mips-gnu"
2290 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
2291 target_makefile_frag="config/mt-gnu"
2293 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
2294 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
2295 # commands to handle both 32-bit and 64-bit objects. These flags are
2296 # harmless if we're using GNU nm or ar.
2297 extra_arflags_for_target=" -X32_64"
2298 extra_nmflags_for_target=" -B -X32_64"
2302 alphaieee_frag=/dev/null
2305 # This just makes sure to use the -mieee option to build target libs.
2306 # This should probably be set individually by each library.
2307 alphaieee_frag="config/mt-alphaieee"
2311 # If --enable-target-optspace always use -Os instead of -O2 to build
2312 # the target libraries, similarly if it is not specified, use -Os
2313 # on selected platforms.
2314 ospace_frag=/dev/null
2315 case "${enable_target_optspace}:${target}" in
2317 ospace_frag="config/mt-ospace"
2320 ospace_frag="config/mt-d30v"
2322 :m32r-* | :d10v-* | :fr30-*)
2323 ospace_frag="config/mt-ospace"
2328 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
2332 # Default to using --with-stabs for certain targets.
2333 if test x${with_stabs} = x ; then
2335 mips*-*-irix[[56]]*)
2337 mips*-*-* | alpha*-*-osf*)
2339 extra_host_args="${extra_host_args} --with-stabs"
2344 # Some systems (e.g., one of the i386-aix systems the gas testers are
2345 # using) don't handle "\$" correctly, so don't use it here.
2346 tooldir='${exec_prefix}'/${target_noncanonical}
2347 build_tooldir=${tooldir}
2349 # Create a .gdbinit file which runs the one in srcdir
2350 # and tells GDB to look there for source files.
2352 if test -r ${srcdir}/.gdbinit ; then
2355 *) cat > ./.gdbinit <<EOF
2359 source ${srcdir}/.gdbinit
2365 # Make sure that the compiler is able to generate an executable. If it
2366 # can't, we are probably in trouble. We don't care whether we can run the
2367 # executable--we might be using a cross compiler--we only care whether it
2368 # can be created. At this point the main configure script has set CC.
2370 echo "int main () { return 0; }" > conftest.c
2371 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
2372 if test $? = 0 ; then
2373 if test -s conftest || test -s conftest.exe ; then
2379 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
2380 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
2387 # Decide which environment variable is used to find dynamic libraries.
2389 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
2390 *-*-darwin*) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;;
2391 *-*-mingw* | *-*-cygwin ) RPATH_ENVVAR=PATH ;;
2392 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
2395 # On systems where the dynamic library environment variable is PATH,
2396 # gcc/ will put dynamic libraries into a subdirectory to avoid adding
2397 # built executables to PATH.
2398 if test "$RPATH_ENVVAR" = PATH; then
2399 GCC_SHLIB_SUBDIR=/shlib
2404 # Record target_configdirs and the configure arguments for target and
2405 # build configuration in Makefile.
2406 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
2407 build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
2409 # If we are building libgomp, bootstrap it.
2410 if echo " ${target_configdirs} " | grep " libgomp " > /dev/null 2>&1 ; then
2411 bootstrap_target_libs=${bootstrap_target_libs}target-libgomp,
2414 # Determine whether gdb needs tk/tcl or not.
2415 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
2416 # and in that case we want gdb to be built without tk. Ugh!
2417 # In fact I believe gdb is the *only* package directly dependent on tk,
2418 # so we should be able to put the 'maybe's in unconditionally and
2419 # leave out the maybe dependencies when enable_gdbtk is false. I'm not
2420 # 100% sure that that's safe though.
2422 gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
2423 case "$enable_gdbtk" in
2427 GDB_TK="${gdb_tk}" ;;
2429 # Only add the dependency on gdbtk when GDBtk is part of the gdb
2430 # distro. Eventually someone will fix this and move Insight, nee
2431 # gdbtk to a separate directory.
2432 if test -d ${srcdir}/gdb/gdbtk ; then
2439 CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g`
2440 INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g`
2442 # Strip out unwanted targets.
2444 # While at that, we remove Makefiles if we were started for recursive
2445 # configuration, so that the top-level Makefile reconfigures them,
2446 # like we used to do when configure itself was recursive.
2448 # Loop over modules. We used to use the "$extrasub" feature from Autoconf
2449 # but now we're fixing up the Makefile ourselves with the additional
2450 # commands passed to AC_CONFIG_FILES. Use separate variables
2451 # extrasub-{build,host,target} not because there is any reason to split
2452 # the substitutions up that way, but only to remain below the limit of
2453 # 99 commands in a script, for HP-UX sed.
2454 # Do not nest @if/@endif pairs, because configure will not warn you at all.
2456 case "$enable_bootstrap:$ENABLE_GOLD: $configdirs :,$stage1_languages," in
2457 yes:yes:*\ gold\ *:*,c++,*) ;;
2458 yes:yes:*\ gold\ *:*)
2459 AC_MSG_ERROR([in a combined tree, bootstrapping with --enable-gold requires c++ in stage1_languages])
2463 # Adjust the toplevel makefile according to whether bootstrap was selected.
2464 case $enable_bootstrap in
2466 bootstrap_suffix=bootstrap
2467 BUILD_CONFIG=bootstrap-debug
2470 bootstrap_suffix=no-bootstrap
2475 AC_MSG_CHECKING(for default BUILD_CONFIG)
2477 AC_ARG_WITH([build-config],
2478 [AS_HELP_STRING([--with-build-config='NAME NAME2...'],
2479 [use config/NAME.mk build configuration])],
2480 [case $with_build_config in
2481 yes) with_build_config= ;;
2482 no) with_build_config= BUILD_CONFIG= ;;
2485 if test "x${with_build_config}" != x; then
2486 BUILD_CONFIG=$with_build_config
2488 case $BUILD_CONFIG in
2490 if echo "int f (void) { return 0; }" > conftest.c &&
2491 ${CC} -c conftest.c &&
2492 mv conftest.o conftest.o.g0 &&
2493 ${CC} -c -g conftest.c &&
2494 mv conftest.o conftest.o.g &&
2495 ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g > /dev/null 2>&1; then
2500 rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g
2504 AC_MSG_RESULT($BUILD_CONFIG)
2505 AC_SUBST(BUILD_CONFIG)
2508 for module in ${build_configdirs} ; do
2509 if test -z "${no_recursion}" \
2510 && test -f ${build_subdir}/${module}/Makefile; then
2511 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
2512 rm -f ${build_subdir}/${module}/Makefile
2514 extrasub_build="$extrasub_build
2515 /^@if build-$module\$/d
2516 /^@endif build-$module\$/d
2517 /^@if build-$module-$bootstrap_suffix\$/d
2518 /^@endif build-$module-$bootstrap_suffix\$/d"
2521 for module in ${configdirs} ; do
2522 if test -z "${no_recursion}"; then
2523 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do
2524 if test -f ${file}; then
2525 echo 1>&2 "*** removing ${file} to force reconfigure"
2530 extrasub_host="$extrasub_host
2532 /^@endif $module\$/d
2533 /^@if $module-$bootstrap_suffix\$/d
2534 /^@endif $module-$bootstrap_suffix\$/d"
2537 for module in ${target_configdirs} ; do
2538 if test -z "${no_recursion}" \
2539 && test -f ${target_subdir}/${module}/Makefile; then
2540 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
2541 rm -f ${target_subdir}/${module}/Makefile
2544 # We only bootstrap target libraries listed in bootstrap_target_libs.
2545 case $bootstrap_target_libs in
2546 *,target-$module,*) target_bootstrap_suffix=$bootstrap_suffix ;;
2547 *) target_bootstrap_suffix=no-bootstrap ;;
2550 extrasub_target="$extrasub_target
2551 /^@if target-$module\$/d
2552 /^@endif target-$module\$/d
2553 /^@if target-$module-$target_bootstrap_suffix\$/d
2554 /^@endif target-$module-$target_bootstrap_suffix\$/d"
2557 # Do the final fixup along with target modules.
2558 extrasub_target="$extrasub_target
2559 /^@if /,/^@endif /d"
2561 # Create the serialization dependencies. This uses a temporary file.
2563 AC_ARG_ENABLE([serial-configure],
2564 [AS_HELP_STRING([[--enable-serial-[{host,target,build}-]configure]],
2565 [force sequential configuration of
2566 sub-packages for the host, target or build
2567 machine, or all sub-packages])])
2569 case ${enable_serial_configure} in
2571 enable_serial_build_configure=yes
2572 enable_serial_host_configure=yes
2573 enable_serial_target_configure=yes
2577 # These force 'configure's to be done one at a time, to avoid problems
2578 # with contention over a shared config.cache.
2580 echo '# serdep.tmp' > serdep.tmp
2582 test "x${enable_serial_build_configure}" = xyes &&
2583 for item in ${build_configdirs} ; do
2586 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
2591 test "x${enable_serial_host_configure}" = xyes &&
2592 for item in ${configdirs} ; do
2595 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
2600 test "x${enable_serial_target_configure}" = xyes &&
2601 for item in ${target_configdirs} ; do
2604 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
2608 serialization_dependencies=serdep.tmp
2609 AC_SUBST_FILE(serialization_dependencies)
2611 # Base args. Strip norecursion, cache-file, srcdir, host, build,
2612 # target, nonopt, and variable assignments. These are the ones we
2613 # might not want to pass down to subconfigures. The exception being
2614 # --cache-file=/dev/null, which is used to turn off the use of cache
2615 # files altogether, and which should be passed on to subconfigures.
2616 # Also strip program-prefix, program-suffix, and program-transform-name,
2617 # so that we can pass down a consistent program-transform-name.
2622 eval "set -- $ac_configure_args"
2625 if test X"$skip_next" = X"yes"; then
2629 if test X"$keep_next" = X"yes"; then
2632 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2634 baseargs="$baseargs '$ac_arg'"
2635 tbaseargs="$tbaseargs '$ac_arg'"
2640 # Handle separated arguments. Based on the logic generated by
2643 *=* | --config-cache | -C | -disable-* | --disable-* \
2644 | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \
2645 | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \
2646 | -with-* | --with-* | -without-* | --without-* | --x)
2660 --with-* | --without-*)
2661 libopt=`echo "$ac_arg" | sed -e 's,^--[^-_]*[-_],,' -e 's,=.*$,,'`
2665 lib=`echo "$libopt" | sed 's,[-_]include$,,'`
2668 lib=`echo "$libopt" | sed 's,[-_]lib$,,'`
2677 mpc | mpfr | gmp | ppl | cloog)
2678 # If we're processing --with-$lib, --with-$lib-include or
2679 # --with-$lib-lib, for one of the libs above, and target is
2680 # different from host, don't pass the current argument to any
2681 # target library's configure.
2682 if test x$is_cross_compiler = xyes; then
2691 --cache-file=/dev/null | \
2692 -cache-file=/dev/null )
2693 # Handled here to avoid the test to skip args below.
2694 baseargs="$baseargs '$ac_arg'"
2695 tbaseargs="$tbaseargs '$ac_arg'"
2696 # Assert: $separate_arg should always be no.
2697 keep_next=$separate_arg
2713 -program-prefix* | \
2714 -program-suffix* | \
2715 -program-transform-name* )
2716 skip_next=$separate_arg
2720 # An option. Add it.
2723 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2725 baseargs="$baseargs '$ac_arg'"
2726 if test X"$skip_targ" = Xno; then
2727 tbaseargs="$tbaseargs '$ac_arg'"
2729 keep_next=$separate_arg
2732 # Either a variable assignment, or a nonopt (triplet). Don't
2733 # pass it down; let the Makefile handle this.
2738 # Remove the initial space we just introduced and, as these will be
2739 # expanded by make, quote '$'.
2740 baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
2742 # Add in --program-transform-name, after --program-prefix and
2743 # --program-suffix have been applied to it. Autoconf has already
2744 # doubled dollar signs and backslashes in program_transform_name; we want
2745 # the backslashes un-doubled, and then the entire thing wrapped in single
2746 # quotes, because this will be expanded first by make and then by the shell.
2747 # Also, because we want to override the logic in subdir configure scripts to
2748 # choose program_transform_name, replace any s,x,x, with s,y,y,.
2749 sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
2750 ${program_transform_name}
2752 gcc_transform_name=`cat conftestsed.out`
2753 rm -f conftestsed.out
2754 baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
2755 tbaseargs="$tbaseargs --program-transform-name='${gcc_transform_name}'"
2756 if test "$silent" = yes; then
2757 baseargs="$baseargs --silent"
2758 tbaseargs="$tbaseargs --silent"
2760 baseargs="$baseargs --disable-option-checking"
2761 tbaseargs="$tbaseargs --disable-option-checking"
2763 # Record and document user additions to sub configure arguments.
2764 AC_ARG_VAR([build_configargs],
2765 [additional configure arguments for build directories])
2766 AC_ARG_VAR([host_configargs],
2767 [additional configure arguments for host directories])
2768 AC_ARG_VAR([target_configargs],
2769 [additional configure arguments for target directories])
2771 # For the build-side libraries, we just need to pretend we're native,
2772 # and not use the same cache file. Multilibs are neither needed nor
2774 build_configargs="$build_configargs --cache-file=../config.cache ${baseargs}"
2776 # For host modules, accept cache file option, or specification as blank.
2777 case "${cache_file}" in
2779 cache_file_option="" ;;
2780 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
2781 cache_file_option="--cache-file=${cache_file}" ;;
2783 cache_file_option="--cache-file=../${cache_file}" ;;
2786 # Host dirs don't like to share a cache file either, horribly enough.
2787 # This seems to be due to autoconf 2.5x stupidity.
2788 host_configargs="$host_configargs --cache-file=./config.cache ${extra_host_args} ${baseargs}"
2790 target_configargs="$target_configargs ${tbaseargs}"
2792 # Passing a --with-cross-host argument lets the target libraries know
2793 # whether they are being built with a cross-compiler or being built
2794 # native. However, it would be better to use other mechanisms to make the
2795 # sorts of decisions they want to make on this basis. Please consider
2796 # this option to be deprecated. FIXME.
2797 if test x${is_cross_compiler} = xyes ; then
2798 target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}"
2801 # Default to --enable-multilib.
2802 if test x${enable_multilib} = x ; then
2803 target_configargs="--enable-multilib ${target_configargs}"
2806 # Pass --with-newlib if appropriate. Note that target_configdirs has
2807 # changed from the earlier setting of with_newlib.
2808 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
2809 target_configargs="--with-newlib ${target_configargs}"
2812 # Different target subdirs use different values of certain variables
2813 # (notably CXX). Worse, multilibs use *lots* of different values.
2814 # Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
2815 # it doesn't automatically accept command-line overrides of them.
2816 # This means it's not safe for target subdirs to share a cache file,
2817 # which is disgusting, but there you have it. Hopefully this can be
2818 # fixed in future. It's still worthwhile to use a cache file for each
2819 # directory. I think.
2821 # Pass the appropriate --build, --host, --target and --cache-file arguments.
2822 # We need to pass --target, as newer autoconf's requires consistency
2823 # for target_alias and gcc doesn't manage it consistently.
2824 target_configargs="--cache-file=./config.cache ${target_configargs}"
2827 case " $target_configdirs " in
2829 case " $target_configargs " in
2830 *" --with-newlib "*)
2833 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 $$s/winsup/w32api/include'
2837 # If we're not building GCC, don't discard standard headers.
2838 if test -d ${srcdir}/gcc; then
2839 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
2841 if test "${build}" != "${host}"; then
2842 # On Canadian crosses, CC_FOR_TARGET will have already been set
2843 # by `configure', so we won't have an opportunity to add -Bgcc/
2844 # to it. This is right: we don't want to search that directory
2845 # for binaries, but we want the header files in there, so add
2847 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include -isystem $$r/$(HOST_SUBDIR)/gcc/include-fixed'
2849 # Someone might think of using the pre-installed headers on
2850 # Canadian crosses, in case the installed compiler is not fully
2851 # compatible with the compiler being built. In this case, it
2852 # would be better to flag an error than risking having
2853 # incompatible object files being constructed. We can't
2854 # guarantee that an error will be flagged, but let's hope the
2855 # compiler will do it, when presented with incompatible header
2860 case "${target}-${is_cross_compiler}" in
2861 i[[3456789]]86-*-linux*-no)
2862 # Here host == target, so we don't need to build gcc,
2863 # so we don't want to discard standard headers.
2864 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
2867 # If we're building newlib, use its generic headers last, but search
2868 # for any libc-related directories first (so make it the last -B
2870 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
2872 # If we're building libgloss, find the startup file, simulator library
2873 # and linker script.
2874 case " $target_configdirs " in
2876 # Look for startup file, simulator library and maybe linker script.
2877 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/'"$libgloss_dir"
2878 # Look for libnosys.a in case the target needs it.
2879 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys'
2880 # Most targets have the linker script in the source directory.
2881 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$s/libgloss/'"$libgloss_dir"
2892 x86_64-*mingw* | *-w64-mingw*)
2893 # MinGW-w64 does not use newlib, nor does it use winsup. It may,
2894 # however, use a symlink named 'mingw' in ${prefix} .
2895 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L${prefix}/${target}/lib -L${prefix}/mingw/lib -isystem ${prefix}/${target}/include -isystem ${prefix}/mingw/include'
2898 # MinGW can't be handled as Cygwin above since it does not use newlib.
2899 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/mingw -L$$r/$(TARGET_SUBDIR)/winsup/w32api/lib -isystem $$s/winsup/mingw/include -isystem $$s/winsup/w32api/include'
2903 # Allow the user to override the flags for
2904 # our build compiler if desired.
2905 if test x"${build}" = x"${host}" ; then
2906 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
2907 CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}}
2908 LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}}
2911 # On Canadian crosses, we'll be searching the right directories for
2912 # the previously-installed cross compiler, so don't bother to add
2913 # flags for directories within the install tree of the compiler
2914 # being built; programs in there won't even run.
2915 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
2916 # Search for pre-installed headers if nothing else fits.
2917 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
2920 if test "x${use_gnu_ld}" = x &&
2921 echo " ${configdirs} " | grep " ld " > /dev/null ; then
2922 # Arrange for us to find uninstalled linker scripts.
2923 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld'
2926 # Search for other target-specific linker scripts and such.
2929 FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary"
2933 # Makefile fragments.
2934 for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
2936 eval fragval=\$$frag
2937 if test $fragval != /dev/null; then
2938 eval $frag=${srcdir}/$fragval
2941 AC_SUBST_FILE(host_makefile_frag)
2942 AC_SUBST_FILE(target_makefile_frag)
2943 AC_SUBST_FILE(alphaieee_frag)
2944 AC_SUBST_FILE(ospace_frag)
2946 # Miscellanea: directories, flags, etc.
2947 AC_SUBST(RPATH_ENVVAR)
2948 AC_SUBST(GCC_SHLIB_SUBDIR)
2950 AC_SUBST(build_tooldir)
2951 AC_SUBST(CONFIGURE_GDB_TK)
2953 AC_SUBST(INSTALL_GDB_TK)
2955 # Build module lists & subconfigure args.
2956 AC_SUBST(build_configargs)
2957 AC_SUBST(build_configdirs)
2959 # Host module lists & subconfigure args.
2960 AC_SUBST(host_configargs)
2961 AC_SUBST(configdirs)
2962 AC_SUBST(target_configdirs)
2964 # Target module lists & subconfigure args.
2965 AC_SUBST(target_configargs)
2969 AC_SUBST(AR_FOR_BUILD)
2970 AC_SUBST(AS_FOR_BUILD)
2971 AC_SUBST(CC_FOR_BUILD)
2972 AC_SUBST(CFLAGS_FOR_BUILD)
2973 AC_SUBST(CXXFLAGS_FOR_BUILD)
2974 AC_SUBST(CXX_FOR_BUILD)
2975 AC_SUBST(DLLTOOL_FOR_BUILD)
2976 AC_SUBST(GCJ_FOR_BUILD)
2977 AC_SUBST(GFORTRAN_FOR_BUILD)
2978 AC_SUBST(GOC_FOR_BUILD)
2979 AC_SUBST(LDFLAGS_FOR_BUILD)
2980 AC_SUBST(LD_FOR_BUILD)
2981 AC_SUBST(NM_FOR_BUILD)
2982 AC_SUBST(RANLIB_FOR_BUILD)
2983 AC_SUBST(WINDMC_FOR_BUILD)
2984 AC_SUBST(WINDRES_FOR_BUILD)
2986 # Generate default definitions for YACC, M4, LEX and other programs that run
2987 # on the build machine. These are used if the Makefile can't locate these
2988 # programs in objdir.
2989 MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
2991 AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
2992 case " $build_configdirs " in
2993 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;;
2996 AC_CHECK_PROGS([BISON], [bison], [$MISSING bison])
2997 case " $build_configdirs " in
2998 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;;
3001 AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4])
3002 case " $build_configdirs " in
3003 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;;
3006 AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex])
3007 case " $build_configdirs " in
3008 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3009 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;;
3012 AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex])
3013 case " $build_configdirs " in
3014 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3017 AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo])
3018 case " $build_configdirs " in
3019 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;;
3022 # For an installed makeinfo, we require it to be from texinfo 4.7 or
3023 # higher, else we use the "missing" dummy.
3024 if ${MAKEINFO} --version \
3025 | egrep 'texinfo[^0-9]*(4\.([7-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then
3028 MAKEINFO="$MISSING makeinfo"
3034 # FIXME: expect and dejagnu may become build tools?
3036 AC_CHECK_PROGS(EXPECT, expect, expect)
3037 case " $configdirs " in
3039 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect'
3043 AC_CHECK_PROGS(RUNTEST, runtest, runtest)
3044 case " $configdirs " in
3046 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest'
3052 NCN_STRICT_CHECK_TOOLS(AR, ar)
3053 NCN_STRICT_CHECK_TOOLS(AS, as)
3054 NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool)
3055 NCN_STRICT_CHECK_TOOLS(LD, ld)
3056 NCN_STRICT_CHECK_TOOLS(LIPO, lipo)
3057 NCN_STRICT_CHECK_TOOLS(NM, nm)
3058 NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, true)
3059 NCN_STRICT_CHECK_TOOLS(STRIP, strip, true)
3060 NCN_STRICT_CHECK_TOOLS(WINDRES, windres)
3061 NCN_STRICT_CHECK_TOOLS(WINDMC, windmc)
3062 NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy)
3063 NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump)
3064 NCN_STRICT_CHECK_TOOLS(READELF, readelf)
3071 AC_ARG_WITH([build-time-tools],
3072 [AS_HELP_STRING([--with-build-time-tools=PATH],
3073 [use given path to find target tools during the build])],
3074 [case x"$withval" in
3077 with_build_time_tools=
3078 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path])
3081 [with_build_time_tools=])
3083 NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc)
3084 NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx)
3085 NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET})
3086 NCN_STRICT_CHECK_TARGET_TOOLS(GCJ_FOR_TARGET, gcj)
3087 NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran)
3088 NCN_STRICT_CHECK_TARGET_TOOLS(GOC_FOR_TARGET, gccgo)
3090 ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar)
3091 ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as)
3092 ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
3093 ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld)
3094 ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo)
3095 ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm)
3096 ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump)
3097 ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib)
3098 ACX_CHECK_INSTALLED_TARGET_TOOL(READELF_FOR_TARGET, readelf)
3099 ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip)
3100 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
3101 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc)
3103 RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET"
3105 GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar])
3106 GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new])
3107 GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3108 dnl see comments for CXX_FOR_TARGET_FLAG_TO_PASS
3109 GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX,
3110 [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$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs],
3112 GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX,
3113 [gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs],
3115 GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool])
3116 GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3117 GCC_TARGET_TOOL(gcj, GCJ_FOR_TARGET, GCJ,
3118 [gcc/gcj -B$$r/$(HOST_SUBDIR)/gcc/], java)
3119 GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN,
3120 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran)
3121 GCC_TARGET_TOOL(gccgo, GOC_FOR_TARGET, GOC,
3122 [gcc/gccgo -B$$r/$(HOST_SUBDIR)/gcc/], go)
3123 GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new])
3124 GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO)
3125 GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new])
3126 GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump])
3127 GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib])
3128 GCC_TARGET_TOOL(readelf, READELF_FOR_TARGET, READELF, [binutils/readelf])
3129 GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip-new])
3130 GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres])
3131 GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc])
3133 AC_SUBST(FLAGS_FOR_TARGET)
3134 AC_SUBST(RAW_CXX_FOR_TARGET)
3136 # Certain tools may need extra flags.
3137 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
3138 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
3139 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
3141 # When building target libraries, except in a Canadian cross, we use
3142 # the same toolchain as the compiler we just built.
3143 COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)'
3144 COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)'
3145 COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)'
3146 if test $host = $build; then
3147 case " $configdirs " in
3149 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as'
3150 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld'
3151 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target}
3156 AC_SUBST(COMPILER_AS_FOR_TARGET)
3157 AC_SUBST(COMPILER_LD_FOR_TARGET)
3158 AC_SUBST(COMPILER_NM_FOR_TARGET)
3160 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
3161 AC_ARG_ENABLE(maintainer-mode,
3162 [AS_HELP_STRING([--enable-maintainer-mode],
3163 [enable make rules and dependencies not useful
3164 (and sometimes confusing) to the casual installer])],
3165 USE_MAINTAINER_MODE=$enableval,
3166 USE_MAINTAINER_MODE=no)
3167 AC_MSG_RESULT($USE_MAINTAINER_MODE)
3168 AC_SUBST(MAINTAINER_MODE_TRUE)
3169 AC_SUBST(MAINTAINER_MODE_FALSE)
3170 if test "$USE_MAINTAINER_MODE" = yes; then
3171 MAINTAINER_MODE_TRUE=
3172 MAINTAINER_MODE_FALSE='#'
3174 MAINTAINER_MODE_TRUE='#'
3175 MAINTAINER_MODE_FALSE=
3177 MAINT=$MAINTAINER_MODE_TRUE
3180 # ---------------------
3181 # GCC bootstrap support
3182 # ---------------------
3184 # Stage specific cflags for build.
3189 yes) stage1_cflags="-g -Wa,-J" ;;
3190 *) stage1_cflags="-g -J" ;;
3194 # This is aimed to mimic bootstrap with a non-GCC compiler to catch problems.
3195 if test "$GCC" = yes -a "$ENABLE_BUILD_WITH_CXX" != yes; then
3196 saved_CFLAGS="$CFLAGS"
3198 # Pass -fkeep-inline-functions for stage 1 if the GCC version supports it.
3199 CFLAGS="$CFLAGS -fkeep-inline-functions"
3200 AC_MSG_CHECKING([whether -fkeep-inline-functions is supported])
3202 #if (__GNUC__ < 3) \
3203 || (__GNUC__ == 3 && (__GNUC_MINOR__ < 3 \
3204 || (__GNUC_MINOR__ == 3 && __GNUC_PATCHLEVEL__ < 1)))
3205 #error http://gcc.gnu.org/PR29382
3208 [AC_MSG_RESULT([yes]); stage1_cflags="$stage1_cflags -fkeep-inline-functions"],
3209 [AC_MSG_RESULT([no])])
3211 CFLAGS="$saved_CFLAGS"
3214 AC_SUBST(stage1_cflags)
3216 # Enable --enable-checking in stage1 of the compiler.
3217 AC_ARG_ENABLE(stage1-checking,
3218 [AS_HELP_STRING([[--enable-stage1-checking[=all]]],
3219 [choose additional checking for stage1 of the compiler])],
3220 [stage1_checking=--enable-checking=${enable_stage1_checking}],
3221 [if test "x$enable_checking" = xno || test "x$enable_checking" = x; then
3222 stage1_checking=--enable-checking=yes,types
3224 stage1_checking=--enable-checking=$enable_checking,types
3226 AC_SUBST(stage1_checking)
3228 # Enable -Werror in bootstrap stage2 and later.
3229 AC_ARG_ENABLE(werror,
3230 [AS_HELP_STRING([--enable-werror],
3231 [enable -Werror in bootstrap stage2 and later])], [],
3232 [if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then
3237 case ${enable_werror} in
3238 yes) stage2_werror_flag="--enable-werror-always" ;;
3239 *) stage2_werror_flag="" ;;
3241 AC_SUBST(stage2_werror_flag)
3243 # If using ENABLE_BUILD_POSTSTAGE1_WITH_CXX, pass
3244 # --enable-build-with-cxx after stage1.
3245 if test "$ENABLE_BUILD_POSTSTAGE1_WITH_CXX" = "yes"; then
3246 POSTSTAGE1_CONFIGURE_FLAGS=--enable-build-with-cxx
3248 POSTSTAGE1_CONFIGURE_FLAGS=
3250 AC_SUBST(POSTSTAGE1_CONFIGURE_FLAGS)
3252 # Specify what files to not compare during bootstrap.
3254 compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*"
3256 hppa*64*-*-hpux*) ;;
3257 hppa*-*-hpux*) compare_exclusions="gcc/cc*-checksum\$(objext) | */libgcc/lib2funcs* | gcc/ada/*tools/*" ;;
3259 case " $configdirs " in
3260 *" ppl "*) compare_exclusions="$compare_exclusions | ppl/src/ppl-config.o" ;;
3262 AC_SUBST(compare_exclusions)
3264 AC_CONFIG_FILES([Makefile],
3265 [sed "$extrasub_build" Makefile |
3266 sed "$extrasub_host" |
3267 sed "$extrasub_target" > mf$$
3268 mv -f mf$$ Makefile],
3269 [extrasub_build="$extrasub_build"
3270 extrasub_host="$extrasub_host"
3271 extrasub_target="$extrasub_target"])
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