1 # Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
2 # 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
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"
879 if test x${with_avrlibc} = xyes; then
880 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
884 noconfigdirs="$noconfigdirs target-libgloss"
887 noconfigdirs="$noconfigdirs target-libgloss gdb"
890 noconfigdirs="$noconfigdirs target-libgloss"
893 noconfigdirs="$noconfigdirs gdb"
896 noconfigdirs="$noconfigdirs gdb"
899 noconfigdirs="$noconfigdirs gprof"
902 noconfigdirs="$noconfigdirs target-libgloss"
905 noconfigdirs="$noconfigdirs target-libgloss"
907 hppa1.1-*-osf* | hppa1.1-*-bsd* )
919 noconfigdirs="$noconfigdirs ld"
924 noconfigdirs="$noconfigdirs ld"
927 noconfigdirs="$noconfigdirs gdb"
930 # No gdb support yet.
931 noconfigdirs="$noconfigdirs readline libgui itcl gdb"
935 noconfigdirs="$noconfigdirs libgui itcl ld"
938 # No gdb or ld support yet.
939 noconfigdirs="$noconfigdirs readline libgui itcl gdb ld"
941 i[[3456789]]86-w64-mingw*)
943 i[[3456789]]86-*-mingw*)
944 target_configdirs="$target_configdirs target-winsup"
947 target_configdirs="$target_configdirs target-libtermcap target-winsup"
948 noconfigdirs="$noconfigdirs target-libgloss"
949 # always build newlib if winsup directory is present.
950 if test -d "$srcdir/winsup/cygwin"; then
951 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
952 elif test -d "$srcdir/newlib"; then
953 echo "Warning: winsup/cygwin is missing so newlib can't be built."
957 noconfigdirs="$noconfigdirs target-libgloss"
959 i[[3456789]]86-*-sco3.2v5*)
960 # The linker does not yet know about weak symbols in COFF,
961 # and is not configured to handle mixed ELF and COFF.
962 noconfigdirs="$noconfigdirs ld target-libgloss"
964 i[[3456789]]86-*-sco*)
965 noconfigdirs="$noconfigdirs gprof target-libgloss"
967 i[[3456789]]86-*-solaris2* | x86_64-*-solaris2.1[[0-9]]*)
968 noconfigdirs="$noconfigdirs target-libgloss"
970 i[[3456789]]86-*-sysv4*)
971 noconfigdirs="$noconfigdirs target-libgloss"
973 i[[3456789]]86-*-beos*)
974 noconfigdirs="$noconfigdirs gdb"
976 i[[3456789]]86-*-rdos*)
977 noconfigdirs="$noconfigdirs gdb"
980 noconfigdirs="$noconfigdirs gdb"
983 noconfigdirs="$noconfigdirs sim"
986 # copied from rs6000-*-* entry
987 noconfigdirs="$noconfigdirs gprof"
989 powerpc*-*-winnt* | powerpc*-*-pe*)
990 target_configdirs="$target_configdirs target-winsup"
991 noconfigdirs="$noconfigdirs gdb tcl tk target-libgloss itcl"
992 # always build newlib.
993 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
995 # This is temporary until we can link against shared libraries
996 powerpcle-*-solaris*)
997 noconfigdirs="$noconfigdirs gdb sim tcl tk itcl"
1000 noconfigdirs="$noconfigdirs gdb"
1003 noconfigdirs="$noconfigdirs gprof"
1006 noconfigdirs="$noconfigdirs gprof"
1009 noconfigdirs="$noconfigdirs gprof"
1012 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss"
1015 noconfigdirs="$noconfigdirs gprof"
1018 if test x$with_newlib = xyes; then
1019 noconfigdirs="$noconfigdirs gprof"
1023 noconfigdirs="$noconfigdirs gprof target-libgloss"
1026 noconfigdirs="$noconfigdirs gprof target-libgloss"
1029 noconfigdirs="$noconfigdirs gprof target-libgloss"
1034 noconfigdirs="$noconfigdirs gprof"
1041 noconfigdirs="$noconfigdirs target-libgloss" ;;
1045 if test x${is_cross_compiler} = xno ; then
1050 noconfigdirs="$noconfigdirs sim"
1052 tilepro-*-* | tilegx-*-*)
1053 noconfigdirs="$noconfigdirs sim"
1056 noconfigdirs="$noconfigdirs bfd binutils gas gdb ld opcodes target-libgloss"
1059 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1063 # If we aren't building newlib, then don't build libgloss, since libgloss
1064 # depends upon some newlib header files.
1065 case "${noconfigdirs}" in
1066 *target-libgloss*) ;;
1067 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
1070 # Work in distributions that contain no compiler tools, like Autoconf.
1071 host_makefile_frag=/dev/null
1072 if test -d ${srcdir}/config ; then
1074 i[[3456789]]86-*-msdosdjgpp*)
1075 host_makefile_frag="config/mh-djgpp"
1078 ACX_CHECK_CYGWIN_CAT_WORKS
1079 host_makefile_frag="config/mh-cygwin"
1082 host_makefile_frag="config/mh-mingw"
1085 host_makefile_frag="config/mh-pa-hpux10"
1088 host_makefile_frag="config/mh-pa"
1091 host_makefile_frag="config/mh-pa"
1094 host_makefile_frag="config/mh-darwin"
1097 host_makefile_frag="config/mh-ppc-aix"
1100 host_makefile_frag="config/mh-ppc-aix"
1105 if test "${build}" != "${host}" ; then
1106 AR_FOR_BUILD=${AR_FOR_BUILD-ar}
1107 AS_FOR_BUILD=${AS_FOR_BUILD-as}
1108 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
1109 CXX_FOR_BUILD=${CXX_FOR_BUILD-g++}
1110 GCJ_FOR_BUILD=${GCJ_FOR_BUILD-gcj}
1111 GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran}
1112 GOC_FOR_BUILD=${GOC_FOR_BUILD-gccgo}
1113 DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool}
1114 LD_FOR_BUILD=${LD_FOR_BUILD-ld}
1115 NM_FOR_BUILD=${NM_FOR_BUILD-nm}
1116 RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib}
1117 WINDRES_FOR_BUILD=${WINDRES_FOR_BUILD-windres}
1118 WINDMC_FOR_BUILD=${WINDMC_FOR_BUILD-windmc}
1120 AR_FOR_BUILD="\$(AR)"
1121 AS_FOR_BUILD="\$(AS)"
1122 CC_FOR_BUILD="\$(CC)"
1123 CXX_FOR_BUILD="\$(CXX)"
1124 GCJ_FOR_BUILD="\$(GCJ)"
1125 GFORTRAN_FOR_BUILD="\$(GFORTRAN)"
1126 GOC_FOR_BUILD="\$(GOC)"
1127 DLLTOOL_FOR_BUILD="\$(DLLTOOL)"
1128 LD_FOR_BUILD="\$(LD)"
1129 NM_FOR_BUILD="\$(NM)"
1130 RANLIB_FOR_BUILD="\$(RANLIB)"
1131 WINDRES_FOR_BUILD="\$(WINDRES)"
1132 WINDMC_FOR_BUILD="\$(WINDMC)"
1138 # We must set the default linker to the linker used by gcc for the correct
1139 # operation of libtool. If LD is not defined and we are using gcc, try to
1140 # set the LD default to the ld used by gcc.
1141 if test -z "$LD"; then
1142 if test "$GCC" = yes; then
1145 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1147 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1149 case $gcc_prog_ld in
1150 # Accept absolute paths.
1151 [[\\/]* | [A-Za-z]:[\\/]*)]
1152 LD="$gcc_prog_ld" ;;
1158 ACX_PROG_CMP_IGNORE_INITIAL
1160 AC_ARG_ENABLE([bootstrap],
1161 [AS_HELP_STRING([--enable-bootstrap],
1162 [enable bootstrapping @<:@yes if native build@:>@])],,
1163 enable_bootstrap=default)
1165 # Issue errors and warnings for invalid/strange bootstrap combinations.
1166 if test -r $srcdir/gcc/configure; then
1172 case "$have_compiler:$host:$target:$enable_bootstrap" in
1175 # Default behavior. Enable bootstrap if we have a compiler
1176 # and we are in a native configuration.
1177 yes:$build:$build:default)
1178 enable_bootstrap=yes ;;
1181 enable_bootstrap=no ;;
1183 # We have a compiler and we are in a native configuration, bootstrap is ok
1184 yes:$build:$build:yes)
1187 # Other configurations, but we have a compiler. Assume the user knows
1190 AC_MSG_WARN([trying to bootstrap a cross compiler])
1193 # No compiler: if they passed --enable-bootstrap explicitly, fail
1195 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
1197 # Fail if wrong command line
1199 AC_MSG_ERROR([invalid option for --enable-bootstrap])
1203 # See if we are building gcc with C++.
1204 AC_ARG_ENABLE(build-with-cxx,
1205 [AS_HELP_STRING([--enable-build-with-cxx],
1206 [build with C++ compiler instead of C compiler])],
1207 ENABLE_BUILD_WITH_CXX=$enableval,
1208 ENABLE_BUILD_WITH_CXX=no)
1210 # Build stage1 with C and build stages 2 and 3 with C++.
1211 AC_ARG_ENABLE(build-poststage1-with-cxx,
1212 [AS_HELP_STRING([--enable-build-poststage1-with-cxx],
1213 [build stages 2 and 3 with C++, not C])],
1214 ENABLE_BUILD_POSTSTAGE1_WITH_CXX=$enableval,
1215 ENABLE_BUILD_POSTSTAGE1_WITH_CXX=yes)
1217 # Used for setting $lt_cv_objdir
1220 # Check for GMP, MPFR and MPC
1221 gmplibs="-lmpc -lmpfr -lgmp"
1225 # Specify a location for mpc
1226 # check for this first so it ends up on the link line before mpfr.
1228 [AS_HELP_STRING([--with-mpc=PATH],
1229 [specify prefix directory for installed MPC package.
1230 Equivalent to --with-mpc-include=PATH/include
1231 plus --with-mpc-lib=PATH/lib])])
1232 AC_ARG_WITH(mpc-include,
1233 [AS_HELP_STRING([--with-mpc-include=PATH],
1234 [specify directory for installed MPC include files])])
1235 AC_ARG_WITH(mpc-lib,
1236 [AS_HELP_STRING([--with-mpc-lib=PATH],
1237 [specify directory for the installed MPC library])])
1239 if test "x$with_mpc" != x; then
1240 gmplibs="-L$with_mpc/lib $gmplibs"
1241 gmpinc="-I$with_mpc/include $gmpinc"
1243 if test "x$with_mpc_include" != x; then
1244 gmpinc="-I$with_mpc_include $gmpinc"
1246 if test "x$with_mpc_lib" != x; then
1247 gmplibs="-L$with_mpc_lib $gmplibs"
1249 if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then
1250 gmplibs='-L$$r/$(HOST_SUBDIR)/mpc/src/'"$lt_cv_objdir $gmplibs"
1251 gmpinc='-I$$s/mpc/src '"$gmpinc"
1252 # Do not test the mpc version. Assume that it is sufficient, since
1253 # it is in the source tree, and the library has not been built yet
1254 # but it would be included on the link line in the version check below
1255 # hence making the test fail.
1259 # Specify a location for mpfr
1260 # check for this first so it ends up on the link line before gmp.
1261 AC_ARG_WITH(mpfr-dir,
1262 [AS_HELP_STRING([--with-mpfr-dir=PATH], [this option has been REMOVED])],
1263 [AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed.
1264 Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH])])
1267 [AS_HELP_STRING([--with-mpfr=PATH],
1268 [specify prefix directory for installed MPFR package.
1269 Equivalent to --with-mpfr-include=PATH/include
1270 plus --with-mpfr-lib=PATH/lib])])
1271 AC_ARG_WITH(mpfr-include,
1272 [AS_HELP_STRING([--with-mpfr-include=PATH],
1273 [specify directory for installed MPFR include files])])
1274 AC_ARG_WITH(mpfr-lib,
1275 [AS_HELP_STRING([--with-mpfr-lib=PATH],
1276 [specify directory for the installed MPFR library])])
1278 if test "x$with_mpfr" != x; then
1279 gmplibs="-L$with_mpfr/lib $gmplibs"
1280 gmpinc="-I$with_mpfr/include $gmpinc"
1282 if test "x$with_mpfr_include" != x; then
1283 gmpinc="-I$with_mpfr_include $gmpinc"
1285 if test "x$with_mpfr_lib" != x; then
1286 gmplibs="-L$with_mpfr_lib $gmplibs"
1288 if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then
1289 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir $gmplibs"
1290 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr -I$$s/mpfr '"$gmpinc"
1291 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir"
1292 # Do not test the mpfr version. Assume that it is sufficient, since
1293 # it is in the source tree, and the library has not been built yet
1294 # but it would be included on the link line in the version check below
1295 # hence making the test fail.
1299 # Specify a location for gmp
1300 AC_ARG_WITH(gmp-dir,
1301 [AS_HELP_STRING([--with-gmp-dir=PATH], [this option has been REMOVED])],
1302 [AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed.
1303 Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH])])
1306 [AS_HELP_STRING([--with-gmp=PATH],
1307 [specify prefix directory for the installed GMP package.
1308 Equivalent to --with-gmp-include=PATH/include
1309 plus --with-gmp-lib=PATH/lib])])
1310 AC_ARG_WITH(gmp-include,
1311 [AS_HELP_STRING([--with-gmp-include=PATH],
1312 [specify directory for installed GMP include files])])
1313 AC_ARG_WITH(gmp-lib,
1314 [AS_HELP_STRING([--with-gmp-lib=PATH],
1315 [specify directory for the installed GMP library])])
1318 if test "x$with_gmp" != x; then
1319 gmplibs="-L$with_gmp/lib $gmplibs"
1320 gmpinc="-I$with_gmp/include $gmpinc"
1322 if test "x$with_gmp_include" != x; then
1323 gmpinc="-I$with_gmp_include $gmpinc"
1325 if test "x$with_gmp_lib" != x; then
1326 gmplibs="-L$with_gmp_lib $gmplibs"
1328 if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then
1329 gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir $gmplibs"
1330 gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc"
1331 extra_mpfr_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
1332 extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
1333 # Do not test the gmp version. Assume that it is sufficient, since
1334 # it is in the source tree, and the library has not been built yet
1335 # but it would be included on the link line in the version check below
1336 # hence making the test fail.
1340 if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then
1342 saved_CFLAGS="$CFLAGS"
1343 CFLAGS="$CFLAGS $gmpinc"
1344 # Check for the recommended and required versions of GMP.
1345 AC_MSG_CHECKING([for the correct version of gmp.h])
1346 AC_TRY_COMPILE([#include "gmp.h"],[
1347 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1348 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1349 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,0)
1352 ], [AC_TRY_COMPILE([#include <gmp.h>],[
1353 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1354 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1355 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,3,2)
1358 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1359 [AC_MSG_RESULT([no]); have_gmp=no])
1361 # If we have GMP, check the MPFR version.
1362 if test x"$have_gmp" = xyes; then
1363 # Check for the recommended and required versions of MPFR.
1364 AC_MSG_CHECKING([for the correct version of mpfr.h])
1365 AC_TRY_COMPILE([#include <gmp.h>
1366 #include <mpfr.h>],[
1367 #if MPFR_VERSION < MPFR_VERSION_NUM(2,3,1)
1370 ], [AC_TRY_COMPILE([#include <gmp.h>
1371 #include <mpfr.h>],[
1372 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,2)
1375 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1376 [AC_MSG_RESULT([no]); have_gmp=no])
1379 # Check for the MPC header version.
1380 if test x"$have_gmp" = xyes ; then
1381 # Check for the recommended and required versions of MPC.
1382 AC_MSG_CHECKING([for the correct version of mpc.h])
1383 AC_TRY_COMPILE([#include <mpc.h>],[
1384 #if MPC_VERSION < MPC_VERSION_NUM(0,8,0)
1387 ], [AC_TRY_COMPILE([#include <mpc.h>],[
1388 #if MPC_VERSION < MPC_VERSION_NUM(0,8,1)
1391 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1392 [AC_MSG_RESULT([no]); have_gmp=no])
1395 # Now check the MPFR library.
1396 if test x"$have_gmp" = xyes; then
1398 LIBS="$LIBS $gmplibs"
1399 AC_MSG_CHECKING([for the correct version of the gmp/mpfr/mpc libraries])
1400 AC_TRY_LINK([#include <mpc.h>],[
1407 mpfr_atan2 (n, n, x, GMP_RNDN);
1408 mpfr_erfc (n, x, GMP_RNDN);
1409 mpfr_subnormalize (x, t, GMP_RNDN);
1413 mpc_set_ui_ui (c, 1, 1, MPC_RNDNN);
1414 mpc_cosh (c, c, MPC_RNDNN);
1415 mpc_pow (c, c, c, MPC_RNDNN);
1416 mpc_acosh (c, c, MPC_RNDNN);
1418 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1422 CFLAGS="$saved_CFLAGS"
1424 # The library versions listed in the error message below should match
1425 # the HARD-minimums enforced above.
1426 if test x$have_gmp != xyes; then
1427 AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 2.3.1+ and MPC 0.8.0+.
1428 Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify
1429 their locations. Source code for these libraries can be found at
1430 their respective hosting sites as well as at
1431 ftp://gcc.gnu.org/pub/gcc/infrastructure/. See also
1432 http://gcc.gnu.org/install/prerequisites.html for additional info. If
1433 you obtained GMP, MPFR and/or MPC from a vendor distribution package,
1434 make sure that you have installed both the libraries and the header
1435 files. They may be located in separate packages.])
1439 # Flags needed for both GMP, MPFR and/or MPC.
1442 AC_SUBST(extra_mpfr_configure_flags)
1443 AC_SUBST(extra_mpc_gmp_configure_flags)
1444 AC_SUBST(extra_mpc_mpfr_configure_flags)
1446 # Allow host libstdc++ to be specified for static linking with PPL.
1447 AC_ARG_WITH(host-libstdcxx,
1448 [AS_HELP_STRING([--with-host-libstdcxx=L],
1449 [use linker arguments L to link with libstdc++
1450 when linking with PPL])])
1452 case $with_host_libstdcxx in
1454 AC_MSG_ERROR([-with-host-libstdcxx needs an argument])
1458 # Linker flags to use for stage1 or when not boostrapping.
1459 AC_ARG_WITH(stage1-ldflags,
1460 [AS_HELP_STRING([--with-stage1-ldflags=FLAGS], [linker flags for stage1])],
1461 [if test "$withval" = "no" -o "$withval" = "yes"; then
1464 stage1_ldflags=$withval
1467 AC_SUBST(stage1_ldflags)
1469 # Libraries to use for stage1 or when not bootstrapping.
1470 AC_ARG_WITH(stage1-libs,
1471 [AS_HELP_STRING([--with-stage1-libs=LIBS], [libraries for stage1])],
1472 [if test "$withval" = "no" -o "$withval" = "yes"; then
1475 stage1_libs=$withval
1477 [stage1_libs=$with_host_libstdcxx])
1478 AC_SUBST(stage1_libs)
1480 # Libraries to use for stage2 and later builds. This defaults to the
1481 # argument passed to --with-host-libstdcxx.
1482 AC_ARG_WITH(boot-libs,
1483 [AS_HELP_STRING([--with-boot-libs=LIBS], [libraries for stage2 and later])],
1484 [if test "$withval" = "no" -o "$withval" = "yes"; then
1487 poststage1_libs=$withval
1489 [poststage1_libs=$with_host_libstdcxx])
1490 AC_SUBST(poststage1_libs)
1492 # Linker flags to use for stage2 and later builds.
1493 AC_ARG_WITH(boot-ldflags,
1494 [AS_HELP_STRING([--with-boot-ldflags=FLAGS],
1495 [linker flags for stage2 and later])],
1496 [if test "$withval" = "no" -o "$withval" = "yes"; then
1499 poststage1_ldflags=$withval
1501 [poststage1_ldflags=
1502 # In stages 2 and 3, default to linking libstdc++ and libgcc
1503 # statically. But if the user explicitly specified the libraries to
1504 # use, trust that they are doing what they want.
1505 if test "$poststage1_libs" = ""; then
1506 poststage1_ldflags="-static-libstdc++ -static-libgcc"
1508 AC_SUBST(poststage1_ldflags)
1516 [AS_HELP_STRING([--with-ppl=PATH],
1517 [specify prefix directory for the installed PPL package.
1518 Equivalent to --with-ppl-include=PATH/include
1519 plus --with-ppl-lib=PATH/lib])])
1520 AC_ARG_WITH(ppl-include,
1521 [AS_HELP_STRING([--with-ppl-include=PATH],
1522 [specify directory for installed PPL include files])])
1523 AC_ARG_WITH(ppl-lib,
1524 [AS_HELP_STRING([--with-ppl-lib=PATH],
1525 [specify directory for the installed PPL library])])
1527 AC_ARG_ENABLE(ppl-version-check,
1528 [AS_HELP_STRING([--disable-ppl-version-check],
1529 [disable check for PPL version])])
1535 ppllibs="-L$with_ppl/lib"
1536 pplinc="-I$with_ppl/include $pplinc"
1537 if test -d "$with_ppl/lib" && test -d "$with_ppl/include"; then
1540 AC_MSG_ERROR([cannot find directories "$with_ppl/lib" or "$with_ppl/include"])
1545 if test x"$with_ppl_include" != x; then
1546 pplinc="-I$with_ppl_include $pplinc"
1550 if test "x$with_ppl_lib" != x; then
1551 ppllibs="-L$with_ppl_lib"
1555 if test x"$with_ppl$with_ppl_include$with_ppl_lib" = x && test -d ${srcdir}/ppl; then
1556 if test x"$enable_watchdog" = xyes; then
1559 ppllibs='-L$$r/$(HOST_SUBDIR)/ppl/interfaces/C/'"$lt_cv_objdir"' -L$$r/$(HOST_SUBDIR)/ppl/src/'"$lt_cv_objdir"
1560 pplinc='-I$$r/$(HOST_SUBDIR)/ppl/src -I$$r/$(HOST_SUBDIR)/ppl/interfaces/C '
1561 enable_ppl_version_check=no
1565 if test "x$with_ppl" != xno; then
1566 if test "x$pwllib" = x; then
1568 LIBS="$LIBS $ppllibs -lstdc++ -lm"
1569 AC_CHECK_LIB(pwl, PWL_handle_timeout, [pwllib="-lpwl"])
1573 ppllibs="$ppllibs -lppl_c -lppl $pwllib -lgmpxx"
1575 if test "$enable_ppl_version_check" != no; then
1576 saved_CFLAGS="$CFLAGS"
1577 CFLAGS="$CFLAGS $pplinc $gmpinc"
1578 AC_MSG_CHECKING([for version 0.11 (revision 0 or later) of PPL])
1579 AC_TRY_COMPILE([#include "ppl_c.h"],[
1580 #if PPL_VERSION_MAJOR != 0 || PPL_VERSION_MINOR < 11
1583 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); ppllibs= ; pplinc= ; with_ppl=no ])
1584 CFLAGS="$saved_CFLAGS"
1588 # Flags needed for PPL
1595 dnl Provide configure switches and initialize clooginc & clooglibs
1596 dnl with user input.
1598 if test "x$with_ppl" = "xno"; then
1599 dnl Only execute fail-action, if CLooG has been requested.
1600 CLOOG_REQUESTED([graphite_requested=yes], [graphite_requested=no])
1601 if test "${graphite_requested}" = yes; then
1602 AC_MSG_ERROR([Unable to find a usable PPL. See config.log for details.])
1606 if test "x${with_cloog}" = x && test "x${with_cloog_include}" = x \
1607 && test "x${with_cloog_lib}" = x && test -d ${srcdir}/cloog; then
1608 clooglibs='-L$$r/$(HOST_SUBDIR)/cloog/'"$lt_cv_objdir"' '
1609 clooginc='-I$$r/$(HOST_SUBDIR)/cloog/include -I$$s/cloog/include '
1611 if test "x$with_cloog" != "xno"; then
1612 dnl The minimal version of CLooG required for Graphite.
1614 dnl If we use CLooG-Legacy, the provided version information is
1616 CLOOG_CHECK_VERSION(0,16,1)
1618 dnl Only execute fail-action, if CLooG has been requested.
1620 AC_MSG_ERROR([Unable to find a usable CLooG. See config.log for details.])])
1623 # Check for LTO support.
1625 [AS_HELP_STRING([--enable-lto], [enable link time optimization support])],
1626 enable_lto=$enableval,
1627 enable_lto=yes; default_enable_lto=yes)
1629 ACX_ELF_TARGET_IFELSE([# ELF platforms build the lto-plugin always.
1630 build_lto_plugin=yes
1631 ],[if test x"$default_enable_lto" = x"yes" ; then
1633 *-apple-darwin9* | *-cygwin* | *-mingw*) ;;
1634 # On other non-ELF platforms, LTO has yet to be validated.
1638 # Apart from ELF platforms, only Windows and Darwin support LTO so far.
1639 # It would also be nice to check the binutils support, but we don't
1640 # have gcc_GAS_CHECK_FEATURE available here. For now, we'll just
1641 # warn during gcc/ subconfigure; unless you're bootstrapping with
1642 # -flto it won't be needed until after installation anyway.
1644 *-cygwin* | *-mingw* | *-apple-darwin*) ;;
1645 *) if test x"$enable_lto" = x"yes"; then
1646 AC_MSG_ERROR([LTO support is not enabled for this target.])
1651 # Among non-ELF, only Windows platforms support the lto-plugin so far.
1652 # Build it unless LTO was explicitly disabled.
1654 *-cygwin* | *-mingw*) build_lto_plugin=$enable_lto ;;
1660 # By default, C is the only stage 1 language.
1661 stage1_languages=,c,
1663 # Target libraries that we bootstrap.
1664 bootstrap_target_libs=,target-libgcc,
1666 # Figure out what language subdirectories are present.
1667 # Look if the user specified --enable-languages="..."; if not, use
1668 # the environment variable $LANGUAGES if defined. $LANGUAGES might
1670 # NB: embedded tabs in this IF block -- do not untabify
1671 if test -d ${srcdir}/gcc; then
1672 if test x"${enable_languages+set}" != xset; then
1673 if test x"${LANGUAGES+set}" = xset; then
1674 enable_languages="${LANGUAGES}"
1675 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1677 enable_languages=all
1680 if test x"${enable_languages}" = x ||
1681 test x"${enable_languages}" = xyes;
1683 echo configure.in: --enable-languages needs at least one language argument 1>&2
1687 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1689 # 'f95' is the old name for the 'fortran' language. We issue a warning
1690 # and make the substitution.
1691 case ,${enable_languages}, in
1693 echo configure.in: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2
1694 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'`
1698 # If bootstrapping, then using --enable-build-with-cxx or
1699 # --enable-build-poststage1-with-cxx requires enabling C++.
1700 case ",$enable_languages,:,$ENABLE_BUILD_WITH_CXX,$ENABLE_BUILD_POSTSTAGE1_WITH_CXX,:$enable_bootstrap" in
1703 if test -f ${srcdir}/gcc/cp/config-lang.in; then
1704 enable_languages="${enable_languages},c++"
1706 AC_MSG_ERROR([bootstrapping with --enable-build-with-cxx or --enable-build-poststage1-with-cxx requires c++ sources])
1711 # First scan to see if an enabled language requires some other language.
1712 # We assume that a given config-lang.in will list all the language
1713 # front ends it requires, even if some are required indirectly.
1714 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1715 case ${lang_frag} in
1717 # The odd quoting in the next line works around
1718 # an apparent bug in bash 1.12 on linux.
1719 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1721 # From the config-lang.in, get $language, $lang_requires, and
1722 # $lang_requires_boot_languages.
1725 lang_requires_boot_languages=
1727 for other in ${lang_requires} ${lang_requires_boot_languages}; do
1728 case ,${enable_languages}, in
1732 echo " \`$other' language required by \`$language'; enabling" 1>&2
1733 enable_languages="${enable_languages},${other}"
1737 for other in ${lang_requires_boot_languages} ; do
1738 if test "$other" != "c"; then
1739 case ,${enable_stage1_languages}, in
1743 case ,${enable_languages}, in
1745 echo " '$other' language required by '$language' in stage 1; enabling" 1>&2
1746 enable_stage1_languages="$enable_stage1_languages,${other}"
1757 new_enable_languages=,c,
1759 # If LTO is enabled, add the LTO front end.
1760 extra_host_libiberty_configure_flags=
1761 if test "$enable_lto" = "yes" ; then
1762 case ,${enable_languages}, in
1764 *) enable_languages="${enable_languages},lto" ;;
1766 if test "${build_lto_plugin}" = "yes" ; then
1767 configdirs="$configdirs lto-plugin"
1768 extra_host_libiberty_configure_flags=--enable-shared
1771 AC_SUBST(extra_host_libiberty_configure_flags)
1773 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
1774 potential_languages=,c,
1776 enabled_target_libs=
1777 disabled_target_libs=
1779 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1780 case ${lang_frag} in
1782 # The odd quoting in the next line works around
1783 # an apparent bug in bash 1.12 on linux.
1784 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1786 # From the config-lang.in, get $language, $target_libs,
1787 # $lang_dirs, $boot_language, and $build_by_default
1793 build_by_default=yes
1795 if test x${language} = x; then
1796 echo "${lang_frag} doesn't set \$language." 1>&2
1800 if test "$language" = "c++"; then
1801 if test "$ENABLE_BUILD_WITH_CXX" = "yes" \
1802 || test "$ENABLE_BUILD_POSTSTAGE1_WITH_CXX" = "yes"; then
1807 case ,${enable_languages}, in
1809 # Language was explicitly selected; include it.
1813 # 'all' was selected, select it if it is a default language
1814 add_this_lang=${build_by_default}
1821 # Disable languages that need other directories if these aren't available.
1822 for i in $subdir_requires; do
1823 test -f "$srcdir/gcc/$i/config-lang.in" && continue
1824 case ,${enable_languages}, in
1826 # Specifically requested language; tell them.
1827 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing])
1831 add_this_lang=unsupported
1836 # Disable Ada if no preexisting GNAT is available.
1837 case ,${enable_languages},:${language}:${have_gnat} in
1838 *,${language},*:ada:no)
1839 # Specifically requested language; tell them.
1840 AC_MSG_ERROR([GNAT is required to build $language])
1844 add_this_lang=unsupported
1848 # Disable a language that is unsupported by the target.
1849 case " $unsupported_languages " in
1851 add_this_lang=unsupported
1855 case $add_this_lang in
1857 # Remove language-dependent dirs.
1858 disabled_target_libs="$disabled_target_libs $target_libs"
1859 noconfigdirs="$noconfigdirs $lang_dirs"
1862 # Remove language-dependent dirs; still show language as supported.
1863 disabled_target_libs="$disabled_target_libs $target_libs"
1864 noconfigdirs="$noconfigdirs $lang_dirs"
1865 potential_languages="${potential_languages}${language},"
1868 new_enable_languages="${new_enable_languages}${language},"
1869 potential_languages="${potential_languages}${language},"
1870 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
1871 enabled_target_libs="$enabled_target_libs $target_libs"
1872 case "${boot_language}:,$enable_stage1_languages," in
1873 yes:* | *:*,$language,* | *:*,yes, | *:*,all,)
1874 # Add to (comma-separated) list of stage 1 languages.
1875 case ",$stage1_languages," in
1876 *,$language,* | ,yes, | ,all,) ;;
1877 *) stage1_languages="${stage1_languages}${language}," ;;
1879 # We need to bootstrap any supporting libraries.
1880 bootstrap_target_libs="${bootstrap_target_libs}${target_libs},"
1889 # Add target libraries which are only needed for disabled languages
1891 if test -n "$disabled_target_libs"; then
1892 for dir in $disabled_target_libs; do
1893 case " $enabled_target_libs " in
1895 *) noconfigdirs="$noconfigdirs $dir" ;;
1900 AC_ARG_ENABLE(stage1-languages,
1901 [AS_HELP_STRING([[--enable-stage1-languages[=all]]],
1902 [choose additional languages to build during
1903 stage1. Mostly useful for compiler development])],
1904 [case ,${enable_stage1_languages}, in
1906 # Set it to something that will have no effect in the loop below
1907 enable_stage1_languages=c ;;
1909 enable_stage1_languages=`echo $new_enable_languages | \
1910 sed -e "s/^,//" -e "s/,$//" ` ;;
1912 enable_stage1_languages=`echo ,$enable_stage1_languages, | \
1913 sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;;
1916 # Add "good" languages from enable_stage1_languages to stage1_languages,
1917 # while "bad" languages go in missing_languages. Leave no duplicates.
1918 for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do
1919 case $potential_languages in
1921 case $stage1_languages in
1923 *) stage1_languages="$stage1_languages$i," ;;
1926 case $missing_languages in
1928 *) missing_languages="$missing_languages$i," ;;
1933 # Remove leading/trailing commas that were added for simplicity
1934 potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"`
1935 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
1936 stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"`
1937 new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"`
1939 if test "x$missing_languages" != x; then
1941 The following requested languages could not be built: ${missing_languages}
1942 Supported languages are: ${potential_languages}])
1944 if test "x$new_enable_languages" != "x$enable_languages"; then
1945 echo The following languages will be built: ${new_enable_languages}
1946 enable_languages="$new_enable_languages"
1949 AC_SUBST(stage1_languages)
1950 ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" `
1953 # Handle --disable-<component> generically.
1954 for dir in $configdirs $build_configdirs $target_configdirs ; do
1955 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g`
1956 varname=`echo $dirname | sed -e s/+/_/g`
1957 if eval test x\${enable_${varname}} "=" xno ; then
1958 noconfigdirs="$noconfigdirs $dir"
1962 # Check for Boehm's garbage collector
1963 AC_ARG_ENABLE(objc-gc,
1964 [AS_HELP_STRING([--enable-objc-gc],
1965 [enable use of Boehm's garbage collector with the
1966 GNU Objective-C runtime])],
1967 [case ,${enable_languages},:${enable_objc_gc}:${noconfigdirs} in
1968 *,objc,*:*:yes:*target-boehm-gc*)
1969 AC_MSG_ERROR([Boehm's garbage collector was requested yet not supported in this configuration])
1973 # Make sure we only build Boehm's garbage collector if required.
1974 case ,${enable_languages},:${enable_objc_gc} in
1976 # Keep target-boehm-gc if requested for Objective-C.
1979 # Otherwise remove target-boehm-gc depending on target-libjava.
1980 if echo " ${noconfigdirs} " | grep "target-libjava" >/dev/null 2>&1; then
1981 noconfigdirs="$noconfigdirs target-boehm-gc"
1986 # Disable libitm if we're not building C++
1987 case ,${enable_languages}, in
1990 noconfigdirs="$noconfigdirs target-libitm"
1994 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
1995 # $build_configdirs and $target_configdirs.
1996 # If we have the source for $noconfigdirs entries, add them to $notsupp.
1999 for dir in . $skipdirs $noconfigdirs ; do
2000 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
2001 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2002 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
2003 if test -r $srcdir/$dirname/configure ; then
2004 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2007 notsupp="$notsupp $dir"
2011 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2012 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"`
2013 if test -r $srcdir/$dirname/configure ; then
2014 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2017 notsupp="$notsupp $dir"
2021 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2022 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
2023 if test -r $srcdir/$dirname/configure ; then
2024 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2027 notsupp="$notsupp $dir"
2033 # Quietly strip out all directories which aren't configurable in this tree.
2034 # This relies on all configurable subdirectories being autoconfiscated, which
2036 build_configdirs_all="$build_configdirs"
2038 for i in ${build_configdirs_all} ; do
2039 j=`echo $i | sed -e s/build-//g`
2040 if test -f ${srcdir}/$j/configure ; then
2041 build_configdirs="${build_configdirs} $i"
2045 configdirs_all="$configdirs"
2047 for i in ${configdirs_all} ; do
2048 if test -f ${srcdir}/$i/configure ; then
2049 configdirs="${configdirs} $i"
2053 target_configdirs_all="$target_configdirs"
2055 for i in ${target_configdirs_all} ; do
2056 j=`echo $i | sed -e s/target-//g`
2057 if test -f ${srcdir}/$j/configure ; then
2058 target_configdirs="${target_configdirs} $i"
2062 # Produce a warning message for the subdirs we can't configure.
2063 # This isn't especially interesting in the Cygnus tree, but in the individual
2064 # FSF releases, it's important to let people know when their machine isn't
2065 # supported by the one or two programs in a package.
2067 if test -n "${notsupp}" && test -z "${norecursion}" ; then
2068 # If $appdirs is non-empty, at least one of those directories must still
2069 # be configured, or we error out. (E.g., if the gas release supports a
2070 # specified target in some subdirs but not the gas subdir, we shouldn't
2071 # pretend that all is well.)
2072 if test -n "$appdirs" ; then
2073 for dir in $appdirs ; do
2074 if test -r $dir/Makefile.in ; then
2075 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2079 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
2085 if test -n "$appdirs" ; then
2086 echo "*** This configuration is not supported by this package." 1>&2
2090 # Okay, some application will build, or we don't care to check. Still
2091 # notify of subdirs not getting built.
2092 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
2093 echo " ${notsupp}" 1>&2
2094 echo " (Any other directories should still work fine.)" 1>&2
2102 # To find our prefix, in gcc_cv_tool_prefix.
2107 AC_ARG_WITH([build-sysroot],
2108 [AS_HELP_STRING([--with-build-sysroot=SYSROOT],
2109 [use sysroot as the system root during the build])],
2110 [if test x"$withval" != x ; then
2111 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval"
2113 [SYSROOT_CFLAGS_FOR_TARGET=])
2114 AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET)
2116 AC_ARG_WITH([debug-prefix-map],
2117 [AS_HELP_STRING([--with-debug-prefix-map='A=B C=D ...'],
2118 [map A to B, C to D ... in debug information])],
2119 [if test x"$withval" != x; then
2120 DEBUG_PREFIX_CFLAGS_FOR_TARGET=
2121 for debug_map in $withval; do
2122 DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map"
2125 [DEBUG_PREFIX_CFLAGS_FOR_TARGET=])
2126 AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET)
2128 # During gcc bootstrap, if we use some random cc for stage1 then CFLAGS
2129 # might be empty or "-g". We don't require a C++ compiler, so CXXFLAGS
2130 # might also be empty (or "-g", if a non-GCC C++ compiler is in the path).
2131 # We want to ensure that TARGET libraries (which we know are built with
2132 # gcc) are built with "-O2 -g", so include those options when setting
2133 # CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET.
2134 if test "x$CFLAGS_FOR_TARGET" = x; then
2135 CFLAGS_FOR_TARGET=$CFLAGS
2138 *) CFLAGS_FOR_TARGET="-O2 $CFLAGS" ;;
2141 *" -g "* | *" -g3 "*) ;;
2142 *) CFLAGS_FOR_TARGET="-g $CFLAGS" ;;
2145 AC_SUBST(CFLAGS_FOR_TARGET)
2147 if test "x$CXXFLAGS_FOR_TARGET" = x; then
2148 CXXFLAGS_FOR_TARGET=$CXXFLAGS
2149 case " $CXXFLAGS " in
2151 *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS" ;;
2153 case " $CXXFLAGS " in
2154 *" -g "* | *" -g3 "*) ;;
2155 *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS" ;;
2158 AC_SUBST(CXXFLAGS_FOR_TARGET)
2160 AC_SUBST(LDFLAGS_FOR_TARGET)
2162 # Handle --with-headers=XXX. If the value is not "yes", the contents of
2163 # the named directory are copied to $(tooldir)/sys-include.
2164 if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
2165 if test x${is_cross_compiler} = xno ; then
2166 echo 1>&2 '***' --with-headers is only supported when cross compiling
2169 if test x"${with_headers}" != xyes ; then
2170 x=${gcc_cv_tool_prefix}
2171 copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include"
2175 # Handle --with-libs=XXX. If the value is not "yes", the contents of
2176 # the name directories are copied to $(tooldir)/lib. Multiple directories
2178 if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
2179 if test x${is_cross_compiler} = xno ; then
2180 echo 1>&2 '***' --with-libs is only supported when cross compiling
2183 if test x"${with_libs}" != xyes ; then
2184 # Copy the libraries in reverse order, so that files in the first named
2185 # library override files in subsequent libraries.
2186 x=${gcc_cv_tool_prefix}
2187 for l in ${with_libs}; do
2188 copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}"
2193 # Set with_gnu_as, with_gnu_ld, and with_system_zlib as appropriate.
2195 # This is done by determining whether or not the appropriate directory
2196 # is available, and by checking whether or not specific configurations
2197 # have requested that this magic not happen.
2199 # The command line options always override the explicit settings in
2200 # configure.in, and the settings in configure.in override this magic.
2202 # If the default for a toolchain is to use GNU as and ld, and you don't
2203 # want to do that, then you should use the --without-gnu-as and
2204 # --without-gnu-ld options for the configure script. Similarly, if
2205 # the default is to use the included zlib and you don't want to do that,
2206 # you should use the --with-system-zlib option for the configure script.
2208 if test x${use_gnu_as} = x &&
2209 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
2211 extra_host_args="$extra_host_args --with-gnu-as"
2214 if test x${use_gnu_ld} = x &&
2215 echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then
2217 extra_host_args="$extra_host_args --with-gnu-ld"
2220 if test x${use_included_zlib} = x &&
2221 echo " ${configdirs} " | grep " zlib " > /dev/null 2>&1 ; then
2224 with_system_zlib=yes
2225 extra_host_args="$extra_host_args --with-system-zlib"
2228 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
2229 # can detect this case.
2231 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
2233 extra_host_args="$extra_host_args --with-newlib"
2236 # Handle ${copy_dirs}
2237 set fnord ${copy_dirs}
2239 while test $# != 0 ; do
2240 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
2243 echo Copying $1 to $2
2245 # Use the install script to create the directory and all required
2246 # parent directories.
2247 if test -d $2 ; then
2251 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
2254 # Copy the directory, assuming we have tar.
2255 # FIXME: Should we use B in the second tar? Not all systems support it.
2256 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
2258 # It is the responsibility of the user to correctly adjust all
2259 # symlinks. If somebody can figure out how to handle them correctly
2260 # here, feel free to add the code.
2267 # Determine a target-dependent exec_prefix that the installed
2268 # gcc will search in. Keep this list sorted by triplet, with
2269 # the *-*-osname triplets last.
2272 i[[34567]]86-pc-msdosdjgpp*)
2273 md_exec_prefix=/dev/env/DJDIR/bin
2278 md_exec_prefix=/usr/ccs/bin
2282 extra_arflags_for_target=
2283 extra_nmflags_for_target=
2284 extra_ranlibflags_for_target=
2285 target_makefile_frag=/dev/null
2288 target_makefile_frag="config/mt-spu"
2291 target_makefile_frag="config/mt-sde"
2293 mipsisa*-*-elfoabi*)
2294 target_makefile_frag="config/mt-mips-elfoabi"
2296 mips*-*-*linux* | mips*-*-gnu*)
2297 target_makefile_frag="config/mt-mips-gnu"
2299 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
2300 target_makefile_frag="config/mt-gnu"
2302 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
2303 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
2304 # commands to handle both 32-bit and 64-bit objects. These flags are
2305 # harmless if we're using GNU nm or ar.
2306 extra_arflags_for_target=" -X32_64"
2307 extra_nmflags_for_target=" -B -X32_64"
2311 alphaieee_frag=/dev/null
2314 # This just makes sure to use the -mieee option to build target libs.
2315 # This should probably be set individually by each library.
2316 alphaieee_frag="config/mt-alphaieee"
2320 # If --enable-target-optspace always use -Os instead of -O2 to build
2321 # the target libraries, similarly if it is not specified, use -Os
2322 # on selected platforms.
2323 ospace_frag=/dev/null
2324 case "${enable_target_optspace}:${target}" in
2326 ospace_frag="config/mt-ospace"
2329 ospace_frag="config/mt-d30v"
2331 :m32r-* | :d10v-* | :fr30-*)
2332 ospace_frag="config/mt-ospace"
2337 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
2341 # Default to using --with-stabs for certain targets.
2342 if test x${with_stabs} = x ; then
2344 mips*-*-irix[[56]]*)
2346 mips*-*-* | alpha*-*-osf*)
2348 extra_host_args="${extra_host_args} --with-stabs"
2353 # Some systems (e.g., one of the i386-aix systems the gas testers are
2354 # using) don't handle "\$" correctly, so don't use it here.
2355 tooldir='${exec_prefix}'/${target_noncanonical}
2356 build_tooldir=${tooldir}
2358 # Create a .gdbinit file which runs the one in srcdir
2359 # and tells GDB to look there for source files.
2361 if test -r ${srcdir}/.gdbinit ; then
2364 *) cat > ./.gdbinit <<EOF
2368 source ${srcdir}/.gdbinit
2374 # Make sure that the compiler is able to generate an executable. If it
2375 # can't, we are probably in trouble. We don't care whether we can run the
2376 # executable--we might be using a cross compiler--we only care whether it
2377 # can be created. At this point the main configure script has set CC.
2379 echo "int main () { return 0; }" > conftest.c
2380 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
2381 if test $? = 0 ; then
2382 if test -s conftest || test -s conftest.exe ; then
2388 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
2389 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
2396 # Decide which environment variable is used to find dynamic libraries.
2398 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
2399 *-*-darwin*) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;;
2400 *-*-mingw* | *-*-cygwin ) RPATH_ENVVAR=PATH ;;
2401 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
2404 # On systems where the dynamic library environment variable is PATH,
2405 # gcc/ will put dynamic libraries into a subdirectory to avoid adding
2406 # built executables to PATH.
2407 if test "$RPATH_ENVVAR" = PATH; then
2408 GCC_SHLIB_SUBDIR=/shlib
2413 # Record target_configdirs and the configure arguments for target and
2414 # build configuration in Makefile.
2415 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
2416 build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
2418 # If we are building libgomp, bootstrap it.
2419 if echo " ${target_configdirs} " | grep " libgomp " > /dev/null 2>&1 ; then
2420 bootstrap_target_libs=${bootstrap_target_libs}target-libgomp,
2423 # Determine whether gdb needs tk/tcl or not.
2424 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
2425 # and in that case we want gdb to be built without tk. Ugh!
2426 # In fact I believe gdb is the *only* package directly dependent on tk,
2427 # so we should be able to put the 'maybe's in unconditionally and
2428 # leave out the maybe dependencies when enable_gdbtk is false. I'm not
2429 # 100% sure that that's safe though.
2431 gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
2432 case "$enable_gdbtk" in
2436 GDB_TK="${gdb_tk}" ;;
2438 # Only add the dependency on gdbtk when GDBtk is part of the gdb
2439 # distro. Eventually someone will fix this and move Insight, nee
2440 # gdbtk to a separate directory.
2441 if test -d ${srcdir}/gdb/gdbtk ; then
2448 CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g`
2449 INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g`
2451 # Strip out unwanted targets.
2453 # While at that, we remove Makefiles if we were started for recursive
2454 # configuration, so that the top-level Makefile reconfigures them,
2455 # like we used to do when configure itself was recursive.
2457 # Loop over modules. We used to use the "$extrasub" feature from Autoconf
2458 # but now we're fixing up the Makefile ourselves with the additional
2459 # commands passed to AC_CONFIG_FILES. Use separate variables
2460 # extrasub-{build,host,target} not because there is any reason to split
2461 # the substitutions up that way, but only to remain below the limit of
2462 # 99 commands in a script, for HP-UX sed.
2463 # Do not nest @if/@endif pairs, because configure will not warn you at all.
2465 case "$enable_bootstrap:$ENABLE_GOLD: $configdirs :,$stage1_languages," in
2466 yes:yes:*\ gold\ *:*,c++,*) ;;
2467 yes:yes:*\ gold\ *:*)
2468 AC_MSG_ERROR([in a combined tree, bootstrapping with --enable-gold requires c++ in stage1_languages])
2472 # Adjust the toplevel makefile according to whether bootstrap was selected.
2473 case $enable_bootstrap in
2475 bootstrap_suffix=bootstrap
2476 BUILD_CONFIG=bootstrap-debug
2479 bootstrap_suffix=no-bootstrap
2484 AC_MSG_CHECKING(for default BUILD_CONFIG)
2486 AC_ARG_WITH([build-config],
2487 [AS_HELP_STRING([--with-build-config='NAME NAME2...'],
2488 [use config/NAME.mk build configuration])],
2489 [case $with_build_config in
2490 yes) with_build_config= ;;
2491 no) with_build_config= BUILD_CONFIG= ;;
2494 if test "x${with_build_config}" != x; then
2495 BUILD_CONFIG=$with_build_config
2497 case $BUILD_CONFIG in
2499 if echo "int f (void) { return 0; }" > conftest.c &&
2500 ${CC} -c conftest.c &&
2501 mv conftest.o conftest.o.g0 &&
2502 ${CC} -c -g conftest.c &&
2503 mv conftest.o conftest.o.g &&
2504 ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g > /dev/null 2>&1; then
2509 rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g
2513 AC_MSG_RESULT($BUILD_CONFIG)
2514 AC_SUBST(BUILD_CONFIG)
2517 for module in ${build_configdirs} ; do
2518 if test -z "${no_recursion}" \
2519 && test -f ${build_subdir}/${module}/Makefile; then
2520 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
2521 rm -f ${build_subdir}/${module}/Makefile
2523 extrasub_build="$extrasub_build
2524 /^@if build-$module\$/d
2525 /^@endif build-$module\$/d
2526 /^@if build-$module-$bootstrap_suffix\$/d
2527 /^@endif build-$module-$bootstrap_suffix\$/d"
2530 for module in ${configdirs} ; do
2531 if test -z "${no_recursion}"; then
2532 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do
2533 if test -f ${file}; then
2534 echo 1>&2 "*** removing ${file} to force reconfigure"
2539 extrasub_host="$extrasub_host
2541 /^@endif $module\$/d
2542 /^@if $module-$bootstrap_suffix\$/d
2543 /^@endif $module-$bootstrap_suffix\$/d"
2546 for module in ${target_configdirs} ; do
2547 if test -z "${no_recursion}" \
2548 && test -f ${target_subdir}/${module}/Makefile; then
2549 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
2550 rm -f ${target_subdir}/${module}/Makefile
2553 # We only bootstrap target libraries listed in bootstrap_target_libs.
2554 case $bootstrap_target_libs in
2555 *,target-$module,*) target_bootstrap_suffix=$bootstrap_suffix ;;
2556 *) target_bootstrap_suffix=no-bootstrap ;;
2559 extrasub_target="$extrasub_target
2560 /^@if target-$module\$/d
2561 /^@endif target-$module\$/d
2562 /^@if target-$module-$target_bootstrap_suffix\$/d
2563 /^@endif target-$module-$target_bootstrap_suffix\$/d"
2566 # Do the final fixup along with target modules.
2567 extrasub_target="$extrasub_target
2568 /^@if /,/^@endif /d"
2570 # Create the serialization dependencies. This uses a temporary file.
2572 AC_ARG_ENABLE([serial-configure],
2573 [AS_HELP_STRING([[--enable-serial-[{host,target,build}-]configure]],
2574 [force sequential configuration of
2575 sub-packages for the host, target or build
2576 machine, or all sub-packages])])
2578 case ${enable_serial_configure} in
2580 enable_serial_build_configure=yes
2581 enable_serial_host_configure=yes
2582 enable_serial_target_configure=yes
2586 # These force 'configure's to be done one at a time, to avoid problems
2587 # with contention over a shared config.cache.
2589 echo '# serdep.tmp' > serdep.tmp
2591 test "x${enable_serial_build_configure}" = xyes &&
2592 for item in ${build_configdirs} ; do
2595 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
2600 test "x${enable_serial_host_configure}" = xyes &&
2601 for item in ${configdirs} ; do
2604 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
2609 test "x${enable_serial_target_configure}" = xyes &&
2610 for item in ${target_configdirs} ; do
2613 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
2617 serialization_dependencies=serdep.tmp
2618 AC_SUBST_FILE(serialization_dependencies)
2620 # Base args. Strip norecursion, cache-file, srcdir, host, build,
2621 # target, nonopt, and variable assignments. These are the ones we
2622 # might not want to pass down to subconfigures. The exception being
2623 # --cache-file=/dev/null, which is used to turn off the use of cache
2624 # files altogether, and which should be passed on to subconfigures.
2625 # Also strip program-prefix, program-suffix, and program-transform-name,
2626 # so that we can pass down a consistent program-transform-name.
2631 eval "set -- $ac_configure_args"
2634 if test X"$skip_next" = X"yes"; then
2638 if test X"$keep_next" = X"yes"; then
2641 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2643 baseargs="$baseargs '$ac_arg'"
2644 tbaseargs="$tbaseargs '$ac_arg'"
2649 # Handle separated arguments. Based on the logic generated by
2652 *=* | --config-cache | -C | -disable-* | --disable-* \
2653 | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \
2654 | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \
2655 | -with-* | --with-* | -without-* | --without-* | --x)
2669 --with-* | --without-*)
2670 libopt=`echo "$ac_arg" | sed -e 's,^--[^-_]*[-_],,' -e 's,=.*$,,'`
2674 lib=`echo "$libopt" | sed 's,[-_]include$,,'`
2677 lib=`echo "$libopt" | sed 's,[-_]lib$,,'`
2686 mpc | mpfr | gmp | ppl | cloog)
2687 # If we're processing --with-$lib, --with-$lib-include or
2688 # --with-$lib-lib, for one of the libs above, and target is
2689 # different from host, don't pass the current argument to any
2690 # target library's configure.
2691 if test x$is_cross_compiler = xyes; then
2700 --cache-file=/dev/null | \
2701 -cache-file=/dev/null )
2702 # Handled here to avoid the test to skip args below.
2703 baseargs="$baseargs '$ac_arg'"
2704 tbaseargs="$tbaseargs '$ac_arg'"
2705 # Assert: $separate_arg should always be no.
2706 keep_next=$separate_arg
2722 -program-prefix* | \
2723 -program-suffix* | \
2724 -program-transform-name* )
2725 skip_next=$separate_arg
2729 # An option. Add it.
2732 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2734 baseargs="$baseargs '$ac_arg'"
2735 if test X"$skip_targ" = Xno; then
2736 tbaseargs="$tbaseargs '$ac_arg'"
2738 keep_next=$separate_arg
2741 # Either a variable assignment, or a nonopt (triplet). Don't
2742 # pass it down; let the Makefile handle this.
2747 # Remove the initial space we just introduced and, as these will be
2748 # expanded by make, quote '$'.
2749 baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
2751 # Add in --program-transform-name, after --program-prefix and
2752 # --program-suffix have been applied to it. Autoconf has already
2753 # doubled dollar signs and backslashes in program_transform_name; we want
2754 # the backslashes un-doubled, and then the entire thing wrapped in single
2755 # quotes, because this will be expanded first by make and then by the shell.
2756 # Also, because we want to override the logic in subdir configure scripts to
2757 # choose program_transform_name, replace any s,x,x, with s,y,y,.
2758 sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
2759 ${program_transform_name}
2761 gcc_transform_name=`cat conftestsed.out`
2762 rm -f conftestsed.out
2763 baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
2764 tbaseargs="$tbaseargs --program-transform-name='${gcc_transform_name}'"
2765 if test "$silent" = yes; then
2766 baseargs="$baseargs --silent"
2767 tbaseargs="$tbaseargs --silent"
2769 baseargs="$baseargs --disable-option-checking"
2770 tbaseargs="$tbaseargs --disable-option-checking"
2772 # Record and document user additions to sub configure arguments.
2773 AC_ARG_VAR([build_configargs],
2774 [additional configure arguments for build directories])
2775 AC_ARG_VAR([host_configargs],
2776 [additional configure arguments for host directories])
2777 AC_ARG_VAR([target_configargs],
2778 [additional configure arguments for target directories])
2780 # For the build-side libraries, we just need to pretend we're native,
2781 # and not use the same cache file. Multilibs are neither needed nor
2783 build_configargs="$build_configargs --cache-file=../config.cache ${baseargs}"
2785 # For host modules, accept cache file option, or specification as blank.
2786 case "${cache_file}" in
2788 cache_file_option="" ;;
2789 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
2790 cache_file_option="--cache-file=${cache_file}" ;;
2792 cache_file_option="--cache-file=../${cache_file}" ;;
2795 # Host dirs don't like to share a cache file either, horribly enough.
2796 # This seems to be due to autoconf 2.5x stupidity.
2797 host_configargs="$host_configargs --cache-file=./config.cache ${extra_host_args} ${baseargs}"
2799 target_configargs="$target_configargs ${tbaseargs}"
2801 # Passing a --with-cross-host argument lets the target libraries know
2802 # whether they are being built with a cross-compiler or being built
2803 # native. However, it would be better to use other mechanisms to make the
2804 # sorts of decisions they want to make on this basis. Please consider
2805 # this option to be deprecated. FIXME.
2806 if test x${is_cross_compiler} = xyes ; then
2807 target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}"
2810 # Default to --enable-multilib.
2811 if test x${enable_multilib} = x ; then
2812 target_configargs="--enable-multilib ${target_configargs}"
2815 # Pass --with-newlib if appropriate. Note that target_configdirs has
2816 # changed from the earlier setting of with_newlib.
2817 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
2818 target_configargs="--with-newlib ${target_configargs}"
2821 # Different target subdirs use different values of certain variables
2822 # (notably CXX). Worse, multilibs use *lots* of different values.
2823 # Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
2824 # it doesn't automatically accept command-line overrides of them.
2825 # This means it's not safe for target subdirs to share a cache file,
2826 # which is disgusting, but there you have it. Hopefully this can be
2827 # fixed in future. It's still worthwhile to use a cache file for each
2828 # directory. I think.
2830 # Pass the appropriate --build, --host, --target and --cache-file arguments.
2831 # We need to pass --target, as newer autoconf's requires consistency
2832 # for target_alias and gcc doesn't manage it consistently.
2833 target_configargs="--cache-file=./config.cache ${target_configargs}"
2836 case " $target_configdirs " in
2838 case " $target_configargs " in
2839 *" --with-newlib "*)
2842 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 $$s/winsup/w32api/include'
2846 # If we're not building GCC, don't discard standard headers.
2847 if test -d ${srcdir}/gcc; then
2848 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
2850 if test "${build}" != "${host}"; then
2851 # On Canadian crosses, CC_FOR_TARGET will have already been set
2852 # by `configure', so we won't have an opportunity to add -Bgcc/
2853 # to it. This is right: we don't want to search that directory
2854 # for binaries, but we want the header files in there, so add
2856 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include -isystem $$r/$(HOST_SUBDIR)/gcc/include-fixed'
2858 # Someone might think of using the pre-installed headers on
2859 # Canadian crosses, in case the installed compiler is not fully
2860 # compatible with the compiler being built. In this case, it
2861 # would be better to flag an error than risking having
2862 # incompatible object files being constructed. We can't
2863 # guarantee that an error will be flagged, but let's hope the
2864 # compiler will do it, when presented with incompatible header
2869 case "${target}-${is_cross_compiler}" in
2870 i[[3456789]]86-*-linux*-no)
2871 # Here host == target, so we don't need to build gcc,
2872 # so we don't want to discard standard headers.
2873 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
2876 # If we're building newlib, use its generic headers last, but search
2877 # for any libc-related directories first (so make it the last -B
2879 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
2881 # If we're building libgloss, find the startup file, simulator library
2882 # and linker script.
2883 case " $target_configdirs " in
2885 # Look for startup file, simulator library and maybe linker script.
2886 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/'"$libgloss_dir"
2887 # Look for libnosys.a in case the target needs it.
2888 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys'
2889 # Most targets have the linker script in the source directory.
2890 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$s/libgloss/'"$libgloss_dir"
2901 x86_64-*mingw* | *-w64-mingw*)
2902 # MinGW-w64 does not use newlib, nor does it use winsup. It may,
2903 # however, use a symlink named 'mingw' in ${prefix} .
2904 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L${prefix}/${target}/lib -L${prefix}/mingw/lib -isystem ${prefix}/${target}/include -isystem ${prefix}/mingw/include'
2907 # MinGW can't be handled as Cygwin above since it does not use newlib.
2908 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/mingw -L$$r/$(TARGET_SUBDIR)/winsup/w32api/lib -isystem $$s/winsup/mingw/include -isystem $$s/winsup/w32api/include'
2912 # Allow the user to override the flags for
2913 # our build compiler if desired.
2914 if test x"${build}" = x"${host}" ; then
2915 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
2916 CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}}
2917 LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}}
2920 # On Canadian crosses, we'll be searching the right directories for
2921 # the previously-installed cross compiler, so don't bother to add
2922 # flags for directories within the install tree of the compiler
2923 # being built; programs in there won't even run.
2924 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
2925 # Search for pre-installed headers if nothing else fits.
2926 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
2929 if test "x${use_gnu_ld}" = x &&
2930 echo " ${configdirs} " | grep " ld " > /dev/null ; then
2931 # Arrange for us to find uninstalled linker scripts.
2932 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld'
2935 # Search for other target-specific linker scripts and such.
2938 FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary"
2942 # Makefile fragments.
2943 for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
2945 eval fragval=\$$frag
2946 if test $fragval != /dev/null; then
2947 eval $frag=${srcdir}/$fragval
2950 AC_SUBST_FILE(host_makefile_frag)
2951 AC_SUBST_FILE(target_makefile_frag)
2952 AC_SUBST_FILE(alphaieee_frag)
2953 AC_SUBST_FILE(ospace_frag)
2955 # Miscellanea: directories, flags, etc.
2956 AC_SUBST(RPATH_ENVVAR)
2957 AC_SUBST(GCC_SHLIB_SUBDIR)
2959 AC_SUBST(build_tooldir)
2960 AC_SUBST(CONFIGURE_GDB_TK)
2962 AC_SUBST(INSTALL_GDB_TK)
2964 # Build module lists & subconfigure args.
2965 AC_SUBST(build_configargs)
2966 AC_SUBST(build_configdirs)
2968 # Host module lists & subconfigure args.
2969 AC_SUBST(host_configargs)
2970 AC_SUBST(configdirs)
2971 AC_SUBST(target_configdirs)
2973 # Target module lists & subconfigure args.
2974 AC_SUBST(target_configargs)
2978 AC_SUBST(AR_FOR_BUILD)
2979 AC_SUBST(AS_FOR_BUILD)
2980 AC_SUBST(CC_FOR_BUILD)
2981 AC_SUBST(CFLAGS_FOR_BUILD)
2982 AC_SUBST(CXXFLAGS_FOR_BUILD)
2983 AC_SUBST(CXX_FOR_BUILD)
2984 AC_SUBST(DLLTOOL_FOR_BUILD)
2985 AC_SUBST(GCJ_FOR_BUILD)
2986 AC_SUBST(GFORTRAN_FOR_BUILD)
2987 AC_SUBST(GOC_FOR_BUILD)
2988 AC_SUBST(LDFLAGS_FOR_BUILD)
2989 AC_SUBST(LD_FOR_BUILD)
2990 AC_SUBST(NM_FOR_BUILD)
2991 AC_SUBST(RANLIB_FOR_BUILD)
2992 AC_SUBST(WINDMC_FOR_BUILD)
2993 AC_SUBST(WINDRES_FOR_BUILD)
2995 # Generate default definitions for YACC, M4, LEX and other programs that run
2996 # on the build machine. These are used if the Makefile can't locate these
2997 # programs in objdir.
2998 MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
3000 AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
3001 case " $build_configdirs " in
3002 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;;
3005 AC_CHECK_PROGS([BISON], [bison], [$MISSING bison])
3006 case " $build_configdirs " in
3007 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;;
3010 AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4])
3011 case " $build_configdirs " in
3012 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;;
3015 AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex])
3016 case " $build_configdirs " in
3017 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3018 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;;
3021 AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex])
3022 case " $build_configdirs " in
3023 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3026 AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo])
3027 case " $build_configdirs " in
3028 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;;
3031 # For an installed makeinfo, we require it to be from texinfo 4.7 or
3032 # higher, else we use the "missing" dummy.
3033 if ${MAKEINFO} --version \
3034 | egrep 'texinfo[^0-9]*(4\.([7-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then
3037 MAKEINFO="$MISSING makeinfo"
3043 # FIXME: expect and dejagnu may become build tools?
3045 AC_CHECK_PROGS(EXPECT, expect, expect)
3046 case " $configdirs " in
3048 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect'
3052 AC_CHECK_PROGS(RUNTEST, runtest, runtest)
3053 case " $configdirs " in
3055 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest'
3061 NCN_STRICT_CHECK_TOOLS(AR, ar)
3062 NCN_STRICT_CHECK_TOOLS(AS, as)
3063 NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool)
3064 NCN_STRICT_CHECK_TOOLS(LD, ld)
3065 NCN_STRICT_CHECK_TOOLS(LIPO, lipo)
3066 NCN_STRICT_CHECK_TOOLS(NM, nm)
3067 NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, true)
3068 NCN_STRICT_CHECK_TOOLS(STRIP, strip, true)
3069 NCN_STRICT_CHECK_TOOLS(WINDRES, windres)
3070 NCN_STRICT_CHECK_TOOLS(WINDMC, windmc)
3071 NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy)
3072 NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump)
3073 NCN_STRICT_CHECK_TOOLS(READELF, readelf)
3080 AC_ARG_WITH([build-time-tools],
3081 [AS_HELP_STRING([--with-build-time-tools=PATH],
3082 [use given path to find target tools during the build])],
3083 [case x"$withval" in
3086 with_build_time_tools=
3087 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path])
3090 [with_build_time_tools=])
3092 NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc)
3093 NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx)
3094 NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET})
3095 NCN_STRICT_CHECK_TARGET_TOOLS(GCJ_FOR_TARGET, gcj)
3096 NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran)
3097 NCN_STRICT_CHECK_TARGET_TOOLS(GOC_FOR_TARGET, gccgo)
3099 ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar)
3100 ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as)
3101 ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
3102 ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld)
3103 ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo)
3104 ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm)
3105 ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump)
3106 ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib)
3107 ACX_CHECK_INSTALLED_TARGET_TOOL(READELF_FOR_TARGET, readelf)
3108 ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip)
3109 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
3110 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc)
3112 RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET"
3114 GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar])
3115 GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new])
3116 GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3117 dnl see comments for CXX_FOR_TARGET_FLAG_TO_PASS
3118 GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX,
3119 [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$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs],
3121 GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX,
3122 [gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs],
3124 GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool])
3125 GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3126 GCC_TARGET_TOOL(gcj, GCJ_FOR_TARGET, GCJ,
3127 [gcc/gcj -B$$r/$(HOST_SUBDIR)/gcc/], java)
3128 GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN,
3129 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran)
3130 GCC_TARGET_TOOL(gccgo, GOC_FOR_TARGET, GOC,
3131 [gcc/gccgo -B$$r/$(HOST_SUBDIR)/gcc/], go)
3132 GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new])
3133 GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO)
3134 GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new])
3135 GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump])
3136 GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib])
3137 GCC_TARGET_TOOL(readelf, READELF_FOR_TARGET, READELF, [binutils/readelf])
3138 GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip-new])
3139 GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres])
3140 GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc])
3142 AC_SUBST(FLAGS_FOR_TARGET)
3143 AC_SUBST(RAW_CXX_FOR_TARGET)
3145 # Certain tools may need extra flags.
3146 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
3147 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
3148 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
3150 # When building target libraries, except in a Canadian cross, we use
3151 # the same toolchain as the compiler we just built.
3152 COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)'
3153 COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)'
3154 COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)'
3155 if test $host = $build; then
3156 case " $configdirs " in
3158 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as'
3159 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld'
3160 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target}
3165 AC_SUBST(COMPILER_AS_FOR_TARGET)
3166 AC_SUBST(COMPILER_LD_FOR_TARGET)
3167 AC_SUBST(COMPILER_NM_FOR_TARGET)
3169 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
3170 AC_ARG_ENABLE(maintainer-mode,
3171 [AS_HELP_STRING([--enable-maintainer-mode],
3172 [enable make rules and dependencies not useful
3173 (and sometimes confusing) to the casual installer])],
3174 USE_MAINTAINER_MODE=$enableval,
3175 USE_MAINTAINER_MODE=no)
3176 AC_MSG_RESULT($USE_MAINTAINER_MODE)
3177 AC_SUBST(MAINTAINER_MODE_TRUE)
3178 AC_SUBST(MAINTAINER_MODE_FALSE)
3179 if test "$USE_MAINTAINER_MODE" = yes; then
3180 MAINTAINER_MODE_TRUE=
3181 MAINTAINER_MODE_FALSE='#'
3183 MAINTAINER_MODE_TRUE='#'
3184 MAINTAINER_MODE_FALSE=
3186 MAINT=$MAINTAINER_MODE_TRUE
3189 # ---------------------
3190 # GCC bootstrap support
3191 # ---------------------
3193 # Stage specific cflags for build.
3198 yes) stage1_cflags="-g -Wa,-J" ;;
3199 *) stage1_cflags="-g -J" ;;
3203 # This is aimed to mimic bootstrap with a non-GCC compiler to catch problems.
3204 if test "$GCC" = yes -a "$ENABLE_BUILD_WITH_CXX" != yes; then
3205 saved_CFLAGS="$CFLAGS"
3207 # Pass -fkeep-inline-functions for stage 1 if the GCC version supports it.
3208 CFLAGS="$CFLAGS -fkeep-inline-functions"
3209 AC_MSG_CHECKING([whether -fkeep-inline-functions is supported])
3211 #if (__GNUC__ < 3) \
3212 || (__GNUC__ == 3 && (__GNUC_MINOR__ < 3 \
3213 || (__GNUC_MINOR__ == 3 && __GNUC_PATCHLEVEL__ < 1)))
3214 #error http://gcc.gnu.org/PR29382
3217 [AC_MSG_RESULT([yes]); stage1_cflags="$stage1_cflags -fkeep-inline-functions"],
3218 [AC_MSG_RESULT([no])])
3220 CFLAGS="$saved_CFLAGS"
3223 AC_SUBST(stage1_cflags)
3225 # Enable --enable-checking in stage1 of the compiler.
3226 AC_ARG_ENABLE(stage1-checking,
3227 [AS_HELP_STRING([[--enable-stage1-checking[=all]]],
3228 [choose additional checking for stage1 of the compiler])],
3229 [stage1_checking=--enable-checking=${enable_stage1_checking}],
3230 [if test "x$enable_checking" = xno || test "x$enable_checking" = x; then
3231 stage1_checking=--enable-checking=yes,types
3233 stage1_checking=--enable-checking=$enable_checking,types
3235 AC_SUBST(stage1_checking)
3237 # Enable -Werror in bootstrap stage2 and later.
3238 AC_ARG_ENABLE(werror,
3239 [AS_HELP_STRING([--enable-werror],
3240 [enable -Werror in bootstrap stage2 and later])], [],
3241 [if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then
3246 case ${enable_werror} in
3247 yes) stage2_werror_flag="--enable-werror-always" ;;
3248 *) stage2_werror_flag="" ;;
3250 AC_SUBST(stage2_werror_flag)
3252 # If using ENABLE_BUILD_POSTSTAGE1_WITH_CXX, pass
3253 # --enable-build-with-cxx after stage1.
3254 if test "$ENABLE_BUILD_POSTSTAGE1_WITH_CXX" = "yes"; then
3255 POSTSTAGE1_CONFIGURE_FLAGS=--enable-build-with-cxx
3257 POSTSTAGE1_CONFIGURE_FLAGS=
3259 AC_SUBST(POSTSTAGE1_CONFIGURE_FLAGS)
3261 # Specify what files to not compare during bootstrap.
3263 compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*"
3265 hppa*64*-*-hpux*) ;;
3266 hppa*-*-hpux*) compare_exclusions="gcc/cc*-checksum\$(objext) | */libgcc/lib2funcs* | gcc/ada/*tools/*" ;;
3268 case " $configdirs " in
3269 *" ppl "*) compare_exclusions="$compare_exclusions | ppl/src/ppl-config.o" ;;
3271 AC_SUBST(compare_exclusions)
3273 AC_CONFIG_FILES([Makefile],
3274 [sed "$extrasub_build" Makefile |
3275 sed "$extrasub_host" |
3276 sed "$extrasub_target" > mf$$
3277 mv -f mf$$ Makefile],
3278 [extrasub_build="$extrasub_build"
3279 extrasub_host="$extrasub_host"
3280 extrasub_target="$extrasub_target"])