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 \
170 # these tools are built using the target libraries, and are intended to
171 # run only in the target environment
173 # note: any program that *uses* libraries that are in the "target_libraries"
174 # list belongs in this list.
176 target_tools="target-rda"
178 ################################################################################
180 ## All tools belong in one of the four categories, and are assigned above
181 ## We assign ${configdirs} this way to remove all embedded newlines. This
182 ## is important because configure will choke if they ever get through.
183 ## ${configdirs} is directories we build using the host tools.
184 ## ${target_configdirs} is directories we build using the target tools.
185 configdirs=`echo ${host_libs} ${host_tools}`
186 target_configdirs=`echo ${target_libraries} ${target_tools}`
187 build_configdirs=`echo ${build_libs} ${build_tools}`
189 m4_divert_text([PARSE_ARGS],
192 m4_pushdef([AS_MESSAGE_LOG_FD], [])dnl
193 AC_MSG_ERROR([path to source, $srcdir, contains spaces])
194 m4_popdef([AS_MESSAGE_LOG_FD])dnl
197 ac_subdirs_all=`cd $srcdir && echo */configure | sed 's,/configure,,g'`
200 ################################################################################
202 srcname="gnu development package"
204 # This gets set non-empty for some net releases of packages.
207 # Define is_cross_compiler to save on calls to 'test'.
209 if test x"${host}" = x"${target}" ; then
212 is_cross_compiler=yes
215 # Find the build and target subdir names.
217 # Be sure to cover against remnants of an in-tree build.
218 if test $srcdir != . && test -d $srcdir/host-${host_noncanonical}; then
219 AC_MSG_ERROR([building out of tree but $srcdir contains host-${host_noncanonical}.
220 Use a pristine source tree when building in a separate tree])
223 # Skipdirs are removed silently.
225 # Noconfigdirs are removed loudly.
229 # Make sure we don't let GNU ld be added if we didn't want it.
230 if test x$with_gnu_ld = xno ; then
232 noconfigdirs="$noconfigdirs ld gold"
236 # Make sure we don't let GNU as be added if we didn't want it.
237 if test x$with_gnu_as = xno ; then
239 noconfigdirs="$noconfigdirs gas"
243 # Make sure we don't let ZLIB be added if we didn't want it.
244 if test x$with_system_zlib = xyes ; then
246 noconfigdirs="$noconfigdirs zlib"
249 # some tools are so dependent upon X11 that if we're not building with X,
250 # it's not even worth trying to configure, much less build, that tool.
253 yes | "") ;; # the default value for this tree is that X11 is available
255 skipdirs="${skipdirs} tk itcl libgui"
256 # We won't be able to build gdbtk without X.
259 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
262 # Some are only suitable for cross toolchains.
263 # Remove these if host=target.
264 cross_only="target-libgloss target-newlib target-opcodes"
266 case $is_cross_compiler in
267 no) skipdirs="${skipdirs} ${cross_only}" ;;
270 # If both --with-headers and --with-libs are specified, default to
272 if test x"${with_headers}" != x && test x"${with_headers}" != xno \
273 && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
274 if test x"${with_newlib}" = x ; then
279 # Recognize --with-newlib/--without-newlib.
280 case ${with_newlib} in
281 no) skipdirs="${skipdirs} target-newlib" ;;
282 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
285 # Handle --enable-gold, --enable-ld.
286 # --disable-gold [--enable-ld]
287 # Build only ld. Default option.
288 # --enable-gold [--enable-ld]
289 # Build both gold and ld. Install gold as "ld.gold", install ld
290 # as "ld.bfd" and "ld".
291 # --enable-gold=default [--enable-ld]
292 # Build both gold and ld. Install gold as "ld.gold" and "ld",
293 # install ld as "ld.bfd".
294 # --enable-gold[=default] --disable-ld
295 # Build only gold, which is then installed as both "ld.gold" and "ld".
296 # --enable-gold --enable-ld=default
297 # Build both gold (installed as "ld.gold") and ld (installed as "ld"
299 # In other words, ld is default
300 # --enable-gold=default --enable-ld=default
305 [AS_HELP_STRING([[--enable-gold[=ARG]]],
306 [build gold @<:@ARG={default,yes,no}@:>@])],
307 ENABLE_GOLD=$enableval,
309 case "${ENABLE_GOLD}" in
311 # Check for ELF target.
314 *-*-elf* | *-*-sysv4* | *-*-unixware* | *-*-eabi* | hppa*64*-*-hpux* \
315 | *-*-linux* | frv-*-uclinux* | *-*-irix5* | *-*-irix6* \
316 | *-*-netbsd* | *-*-openbsd* | *-*-freebsd* | *-*-dragonfly* \
317 | *-*-solaris2* | *-*-nto*)
319 *-*-linux*aout* | *-*-linux*oldld*)
327 if test "$is_elf" = "yes"; then
328 # Check for target supported by gold.
330 i?86-*-* | x86_64-*-* | sparc*-*-* | powerpc*-*-* | arm*-*-*)
331 configdirs="$configdirs gold"
332 if test x${ENABLE_GOLD} = xdefault; then
343 AC_MSG_ERROR([invalid --enable-gold argument])
348 [AS_HELP_STRING([[--enable-ld[=ARG]]],
349 [build ld @<:@ARG={default,yes,no}@:>@])],
350 ENABLE_LD=$enableval,
353 case "${ENABLE_LD}" in
355 if test x${default_ld} != x; then
356 AC_MSG_ERROR([either gold or ld can be the default ld])
362 if test x${ENABLE_GOLD} != xyes; then
363 AC_MSG_WARN([neither ld nor gold are enabled])
365 configdirs=`echo " ${configdirs} " | sed -e 's/ ld / /'`
368 AC_MSG_ERROR([invalid --enable-ld argument])
372 # Configure extra directories which are host specific
376 configdirs="$configdirs libtermcap" ;;
379 # A target can indicate whether a language isn't supported for some reason.
380 # Only spaces may be used in this macro; not newlines or tabs.
381 unsupported_languages=
383 # Remove more programs from consideration, based on the host or
384 # target this usually means that a port of the program doesn't
388 i[[3456789]]86-*-msdosdjgpp*)
389 noconfigdirs="$noconfigdirs tcl tk itcl"
394 AC_ARG_ENABLE(libquadmath,
395 AS_HELP_STRING([--disable-libquadmath],
396 [do not build libquadmath directory]),
397 ENABLE_LIBQUADMATH=$enableval,
398 ENABLE_LIBQUADMATH=yes)
399 if test "${ENABLE_LIBQUADMATH}" = "no" ; then
400 noconfigdirs="$noconfigdirs target-libquadmath"
404 AC_ARG_ENABLE(libquadmath-support,
405 AS_HELP_STRING([--disable-libquadmath-support],
406 [disable libquadmath support for Fortran]),
407 ENABLE_LIBQUADMATH_SUPPORT=$enableval,
408 ENABLE_LIBQUADMATH_SUPPORT=yes)
409 enable_libquadmath_support=
410 if test "${ENABLE_LIBQUADMATH_SUPPORT}" = "no" ; then
411 enable_libquadmath_support=no
415 AC_ARG_ENABLE(libada,
416 [AS_HELP_STRING([--enable-libada], [build libada directory])],
417 ENABLE_LIBADA=$enableval,
419 if test "${ENABLE_LIBADA}" != "yes" ; then
420 noconfigdirs="$noconfigdirs gnattools"
423 AC_ARG_ENABLE(libssp,
424 [AS_HELP_STRING([--enable-libssp], [build libssp directory])],
425 ENABLE_LIBSSP=$enableval,
428 # Save it here so that, even in case of --enable-libgcj, if the Java
429 # front-end isn't enabled, we still get libgcj disabled.
431 case $enable_libgcj in
433 # If we reset it here, it won't get added to noconfigdirs in the
434 # target-specific build rules, so it will be forcibly enabled
435 # (unless the Java language itself isn't enabled).
439 # Make sure we get it printed in the list of not supported target libs.
440 # Don't disable libffi, though, other languages use it.
441 noconfigdirs="$noconfigdirs `echo ${libgcj} | sed -e 's/target-libffi//'`"
442 # Clear libgcj_saved so that even if java is enabled libffi won't be
448 AC_ARG_ENABLE(static-libjava,
449 [AS_HELP_STRING([[--enable-static-libjava[=ARG]]],
450 [build static libjava @<:@default=no@:>@])],
451 ENABLE_STATIC_LIBJAVA=$enableval,
452 ENABLE_STATIC_LIBJAVA=no)
453 enable_static_libjava=
454 if test "${ENABLE_STATIC_LIBJAVA}" = "yes" ; then
455 enable_static_libjava=yes
458 if test x$enable_static_libjava != xyes ; then
459 EXTRA_CONFIGARGS_LIBJAVA=--disable-static
461 AC_SUBST(EXTRA_CONFIGARGS_LIBJAVA)
463 # Disable libmudflap on some systems.
464 if test x$enable_libmudflap = x ; then
466 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | bfin*-*-uclinux* | *-*-kopensolaris*-gnu)
467 # Enable libmudflap by default in GNU and friends.
470 # Enable libmudflap by default in FreeBSD.
473 # Disable it by default everywhere else.
474 noconfigdirs="$noconfigdirs target-libmudflap"
479 # Disable libgomp on non POSIX hosted systems.
480 if test x$enable_libgomp = x ; then
481 # Enable libgomp by default on hosted POSIX systems.
483 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
485 *-*-netbsd* | *-*-freebsd* | *-*-openbsd* | *-*-dragonfly*)
487 *-*-solaris2* | *-*-irix6* | *-*-osf* | *-*-hpux11*)
489 *-*-darwin* | *-*-aix*)
492 noconfigdirs="$noconfigdirs target-libgomp"
497 # Disable libitm on unsupported systems.
498 if test -d ${srcdir}/libitm; then
499 if test x$enable_libitm = x; then
500 AC_MSG_CHECKING([for libitm support])
501 if (srcdir=${srcdir}/libitm; \
502 . ${srcdir}/configure.tgt; \
503 test -n "$UNSUPPORTED")
506 noconfigdirs="$noconfigdirs target-libitm"
513 # Disable libssp for some systems.
516 # No hosted I/O support.
517 noconfigdirs="$noconfigdirs target-libssp"
519 powerpc-*-aix* | rs6000-*-aix*)
520 noconfigdirs="$noconfigdirs target-libssp"
523 # libssp uses a misaligned load to trigger a fault, but the RL78
524 # doesn't fault for those - instead, it gives a build-time error
525 # for explicit misaligned loads.
526 noconfigdirs="$noconfigdirs target-libssp"
530 # Disable libstdc++-v3 for some systems.
533 # VxWorks uses the Dinkumware C++ library.
534 noconfigdirs="$noconfigdirs target-libstdc++-v3"
537 # the C++ libraries don't build on top of CE's C libraries
538 noconfigdirs="$noconfigdirs target-libstdc++-v3"
541 noconfigdirs="$noconfigdirs target-libstdc++-v3"
545 # Disable Fortran for some systems.
548 # See <http://gcc.gnu.org/ml/gcc-patches/2004-11/msg00572.html>.
549 unsupported_languages="$unsupported_languages fortran"
553 # Disable Java if libffi is not supported.
575 mips-sgi-irix6.* | mips*-*-rtems*)
583 powerpc-*-aix* | rs6000-*-aix*)
587 powerpc64-*-freebsd*)
591 s390-*-* | s390x-*-*)
593 sh-*-* | sh[[34]]*-*-*)
602 unsupported_languages="$unsupported_languages java"
606 # Disable Java, libgcj or related libraries for some systems.
610 i[[3456789]]86-*-darwin*)
612 x86_64-*-darwin[[912]]*)
615 noconfigdirs="$noconfigdirs ${libgcj}"
618 noconfigdirs="$noconfigdirs ${libgcj}"
621 noconfigdirs="$noconfigdirs ${libgcj}"
624 noconfigdirs="$noconfigdirs ${libgcj}"
627 noconfigdirs="$noconfigdirs ${libgcj}"
630 noconfigdirs="$noconfigdirs ${libgcj}"
633 noconfigdirs="$noconfigdirs ${libgcj}"
636 noconfigdirs="$noconfigdirs ${libgcj}"
639 noconfigdirs="$noconfigdirs ${libgcj}"
642 noconfigdirs="$noconfigdirs target-boehm-gc"
644 cris-*-* | crisv32-*-*)
645 unsupported_languages="$unsupported_languages java"
649 *) # See PR46792 regarding target-libffi.
650 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";;
654 # In this case, it's because the hppa64-linux target is for
655 # the kernel only at this point and has no libc, and thus no
656 # headers, crt*.o, etc., all of which are needed by these.
657 unsupported_languages="$unsupported_languages java"
660 noconfigdirs="$noconfigdirs ${libgcj}"
665 # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
666 # build on HP-UX 10.20.
667 noconfigdirs="$noconfigdirs ${libgcj}"
670 noconfigdirs="$noconfigdirs ${libgcj}"
672 i[[3456789]]86-w64-mingw*)
673 noconfigdirs="$noconfigdirs ${libgcj}"
675 i[[3456789]]86-*-mingw*)
676 noconfigdirs="$noconfigdirs ${libgcj}"
679 noconfigdirs="$noconfigdirs ${libgcj}"
682 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc"
685 # copied from rs6000-*-* entry
686 noconfigdirs="$noconfigdirs ${libgcj}"
689 noconfigdirs="$noconfigdirs ${libgcj}"
692 # Linking libjava exceeds command-line length limits on at least
693 # IRIX 6.2, but not on IRIX 6.5.
694 # Also, boehm-gc won't build on IRIX 6.5, according to Jeffrey Oldham
695 # <oldham@codesourcery.com>
696 noconfigdirs="$noconfigdirs ${libgcj}"
699 noconfigdirs="$noconfigdirs ${libgcj}"
703 # Default libgloss CPU subdirectory.
704 libgloss_dir="$target_cpu"
707 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
713 cris-*-* | crisv32-*-*)
722 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
739 # Disable newlib and libgloss for various target OSes.
742 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
744 i[[3456789]]86-*-linux*)
745 # This section makes it possible to build newlib natively on linux.
746 # If we are using a cross compiler then don't configure newlib.
747 if test x${is_cross_compiler} != xno ; then
748 noconfigdirs="$noconfigdirs target-newlib"
750 noconfigdirs="$noconfigdirs target-libgloss"
751 # If we are not using a cross compiler, do configure newlib.
752 # Note however, that newlib will only be configured in this situation
753 # if the --with-newlib option has been given, because otherwise
754 # 'target-newlib' will appear in skipdirs.
756 i[[3456789]]86-*-rdos*)
757 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
759 sh*-*-pe|mips*-*-pe|arm-wince-pe)
760 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
763 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
766 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
769 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
772 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
775 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
778 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
780 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
781 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
784 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
787 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
790 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
793 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
796 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
799 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
802 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
810 noconfigdirs="$noconfigdirs ld gas gdb gprof"
811 noconfigdirs="$noconfigdirs sim target-rda"
813 i[[3456789]]86-*-darwin*)
814 noconfigdirs="$noconfigdirs ld gprof"
815 noconfigdirs="$noconfigdirs sim target-rda"
817 x86_64-*-darwin[[912]]*)
818 noconfigdirs="$noconfigdirs ld gas gprof"
819 noconfigdirs="$noconfigdirs sim target-rda"
822 noconfigdirs="$noconfigdirs ld gas gdb gprof"
823 noconfigdirs="$noconfigdirs sim target-rda"
828 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
829 && test -f /usr/local/include/gmp.h; then
834 # Remove unsupported stuff on all kaOS configurations.
835 noconfigdirs="$noconfigdirs target-libgloss"
842 noconfigdirs="$noconfigdirs target-libgloss"
844 # The tpf target doesn't support gdb yet.
846 noconfigdirs="$noconfigdirs gdb tcl tk libgui itcl"
849 noconfigdirs="$noconfigdirs target-rda"
854 # ld works, but does not support shared libraries.
855 # gas doesn't generate exception information.
856 noconfigdirs="$noconfigdirs gas ld"
859 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
862 # newlib is not 64 bit ready
863 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
865 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
866 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
869 noconfigdirs="$noconfigdirs target-libgloss"
872 noconfigdirs="$noconfigdirs target-libgloss"
875 noconfigdirs="$noconfigdirs ld target-libgloss"
878 noconfigdirs="$noconfigdirs target-libgloss"
881 noconfigdirs="$noconfigdirs target-libgloss gdb"
884 noconfigdirs="$noconfigdirs target-libgloss"
887 noconfigdirs="$noconfigdirs gdb"
890 noconfigdirs="$noconfigdirs gdb"
893 noconfigdirs="$noconfigdirs gprof"
896 noconfigdirs="$noconfigdirs target-libgloss"
899 noconfigdirs="$noconfigdirs target-libgloss"
901 hppa1.1-*-osf* | hppa1.1-*-bsd* )
913 noconfigdirs="$noconfigdirs ld"
918 noconfigdirs="$noconfigdirs ld"
921 noconfigdirs="$noconfigdirs gdb"
924 # No gdb support yet.
925 noconfigdirs="$noconfigdirs readline libgui itcl gdb"
929 noconfigdirs="$noconfigdirs libgui itcl ld"
933 noconfigdirs="$noconfigdirs libgui itcl ld"
935 i[[3456789]]86-w64-mingw*)
937 i[[3456789]]86-*-mingw*)
938 target_configdirs="$target_configdirs target-winsup"
941 target_configdirs="$target_configdirs target-libtermcap target-winsup"
942 noconfigdirs="$noconfigdirs target-libgloss"
943 # always build newlib if winsup directory is present.
944 if test -d "$srcdir/winsup/cygwin"; then
945 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
946 elif test -d "$srcdir/newlib"; then
947 echo "Warning: winsup/cygwin is missing so newlib can't be built."
951 noconfigdirs="$noconfigdirs target-libgloss"
953 i[[3456789]]86-*-sco3.2v5*)
954 # The linker does not yet know about weak symbols in COFF,
955 # and is not configured to handle mixed ELF and COFF.
956 noconfigdirs="$noconfigdirs ld target-libgloss"
958 i[[3456789]]86-*-sco*)
959 noconfigdirs="$noconfigdirs gprof target-libgloss"
961 i[[3456789]]86-*-solaris2* | x86_64-*-solaris2.1[[0-9]]*)
962 noconfigdirs="$noconfigdirs target-libgloss"
964 i[[3456789]]86-*-sysv4*)
965 noconfigdirs="$noconfigdirs target-libgloss"
967 i[[3456789]]86-*-beos*)
968 noconfigdirs="$noconfigdirs gdb"
970 i[[3456789]]86-*-rdos*)
971 noconfigdirs="$noconfigdirs gdb"
974 noconfigdirs="$noconfigdirs gdb"
977 noconfigdirs="$noconfigdirs sim"
980 # copied from rs6000-*-* entry
981 noconfigdirs="$noconfigdirs gprof"
983 powerpc*-*-winnt* | powerpc*-*-pe*)
984 target_configdirs="$target_configdirs target-winsup"
985 noconfigdirs="$noconfigdirs gdb tcl tk target-libgloss itcl"
986 # always build newlib.
987 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
989 # This is temporary until we can link against shared libraries
990 powerpcle-*-solaris*)
991 noconfigdirs="$noconfigdirs gdb sim tcl tk itcl"
994 noconfigdirs="$noconfigdirs gdb"
997 noconfigdirs="$noconfigdirs gprof"
1000 noconfigdirs="$noconfigdirs gprof"
1003 noconfigdirs="$noconfigdirs gprof"
1006 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss"
1009 noconfigdirs="$noconfigdirs gprof"
1012 if test x$with_newlib = xyes; then
1013 noconfigdirs="$noconfigdirs gprof"
1017 noconfigdirs="$noconfigdirs gprof target-libgloss"
1020 noconfigdirs="$noconfigdirs gprof target-libgloss"
1023 noconfigdirs="$noconfigdirs gprof target-libgloss"
1028 noconfigdirs="$noconfigdirs gprof"
1035 noconfigdirs="$noconfigdirs target-libgloss" ;;
1039 if test x${is_cross_compiler} = xno ; then
1044 noconfigdirs="$noconfigdirs sim"
1046 tilepro-*-* | tilegx-*-*)
1047 noconfigdirs="$noconfigdirs sim"
1050 noconfigdirs="$noconfigdirs bfd binutils gas gdb ld opcodes target-libgloss"
1053 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1057 # If we aren't building newlib, then don't build libgloss, since libgloss
1058 # depends upon some newlib header files.
1059 case "${noconfigdirs}" in
1060 *target-libgloss*) ;;
1061 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
1064 # Work in distributions that contain no compiler tools, like Autoconf.
1065 host_makefile_frag=/dev/null
1066 if test -d ${srcdir}/config ; then
1068 i[[3456789]]86-*-msdosdjgpp*)
1069 host_makefile_frag="config/mh-djgpp"
1072 ACX_CHECK_CYGWIN_CAT_WORKS
1073 host_makefile_frag="config/mh-cygwin"
1076 host_makefile_frag="config/mh-mingw"
1079 host_makefile_frag="config/mh-pa-hpux10"
1082 host_makefile_frag="config/mh-pa"
1085 host_makefile_frag="config/mh-pa"
1088 host_makefile_frag="config/mh-darwin"
1091 host_makefile_frag="config/mh-ppc-aix"
1094 host_makefile_frag="config/mh-ppc-aix"
1099 if test "${build}" != "${host}" ; then
1100 AR_FOR_BUILD=${AR_FOR_BUILD-ar}
1101 AS_FOR_BUILD=${AS_FOR_BUILD-as}
1102 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
1103 CXX_FOR_BUILD=${CXX_FOR_BUILD-g++}
1104 GCJ_FOR_BUILD=${GCJ_FOR_BUILD-gcj}
1105 GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran}
1106 GOC_FOR_BUILD=${GOC_FOR_BUILD-gccgo}
1107 DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool}
1108 LD_FOR_BUILD=${LD_FOR_BUILD-ld}
1109 NM_FOR_BUILD=${NM_FOR_BUILD-nm}
1110 RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib}
1111 WINDRES_FOR_BUILD=${WINDRES_FOR_BUILD-windres}
1112 WINDMC_FOR_BUILD=${WINDMC_FOR_BUILD-windmc}
1114 AR_FOR_BUILD="\$(AR)"
1115 AS_FOR_BUILD="\$(AS)"
1116 CC_FOR_BUILD="\$(CC)"
1117 CXX_FOR_BUILD="\$(CXX)"
1118 GCJ_FOR_BUILD="\$(GCJ)"
1119 GFORTRAN_FOR_BUILD="\$(GFORTRAN)"
1120 GOC_FOR_BUILD="\$(GOC)"
1121 DLLTOOL_FOR_BUILD="\$(DLLTOOL)"
1122 LD_FOR_BUILD="\$(LD)"
1123 NM_FOR_BUILD="\$(NM)"
1124 RANLIB_FOR_BUILD="\$(RANLIB)"
1125 WINDRES_FOR_BUILD="\$(WINDRES)"
1126 WINDMC_FOR_BUILD="\$(WINDMC)"
1132 # We must set the default linker to the linker used by gcc for the correct
1133 # operation of libtool. If LD is not defined and we are using gcc, try to
1134 # set the LD default to the ld used by gcc.
1135 if test -z "$LD"; then
1136 if test "$GCC" = yes; then
1139 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1141 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1143 case $gcc_prog_ld in
1144 # Accept absolute paths.
1145 [[\\/]* | [A-Za-z]:[\\/]*)]
1146 LD="$gcc_prog_ld" ;;
1152 ACX_PROG_CMP_IGNORE_INITIAL
1154 AC_ARG_ENABLE([bootstrap],
1155 [AS_HELP_STRING([--enable-bootstrap],
1156 [enable bootstrapping @<:@yes if native build@:>@])],,
1157 enable_bootstrap=default)
1159 # Issue errors and warnings for invalid/strange bootstrap combinations.
1160 if test -r $srcdir/gcc/configure; then
1166 case "$have_compiler:$host:$target:$enable_bootstrap" in
1169 # Default behavior. Enable bootstrap if we have a compiler
1170 # and we are in a native configuration.
1171 yes:$build:$build:default)
1172 enable_bootstrap=yes ;;
1175 enable_bootstrap=no ;;
1177 # We have a compiler and we are in a native configuration, bootstrap is ok
1178 yes:$build:$build:yes)
1181 # Other configurations, but we have a compiler. Assume the user knows
1184 AC_MSG_WARN([trying to bootstrap a cross compiler])
1187 # No compiler: if they passed --enable-bootstrap explicitly, fail
1189 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
1191 # Fail if wrong command line
1193 AC_MSG_ERROR([invalid option for --enable-bootstrap])
1197 # See if we are building gcc with C++.
1198 AC_ARG_ENABLE(build-with-cxx,
1199 [AS_HELP_STRING([--enable-build-with-cxx],
1200 [build with C++ compiler instead of C compiler])],
1201 ENABLE_BUILD_WITH_CXX=$enableval,
1202 ENABLE_BUILD_WITH_CXX=no)
1204 # Build stage1 with C and build stages 2 and 3 with C++.
1205 AC_ARG_ENABLE(build-poststage1-with-cxx,
1206 [AS_HELP_STRING([--enable-build-poststage1-with-cxx],
1207 [build stages 2 and 3 with C++, not C])],
1208 ENABLE_BUILD_POSTSTAGE1_WITH_CXX=$enableval,
1209 ENABLE_BUILD_POSTSTAGE1_WITH_CXX=yes)
1211 # Used for setting $lt_cv_objdir
1214 # Check for GMP, MPFR and MPC
1215 gmplibs="-lmpc -lmpfr -lgmp"
1219 # Specify a location for mpc
1220 # check for this first so it ends up on the link line before mpfr.
1222 [AS_HELP_STRING([--with-mpc=PATH],
1223 [specify prefix directory for installed MPC package.
1224 Equivalent to --with-mpc-include=PATH/include
1225 plus --with-mpc-lib=PATH/lib])])
1226 AC_ARG_WITH(mpc-include,
1227 [AS_HELP_STRING([--with-mpc-include=PATH],
1228 [specify directory for installed MPC include files])])
1229 AC_ARG_WITH(mpc-lib,
1230 [AS_HELP_STRING([--with-mpc-lib=PATH],
1231 [specify directory for the installed MPC library])])
1233 if test "x$with_mpc" != x; then
1234 gmplibs="-L$with_mpc/lib $gmplibs"
1235 gmpinc="-I$with_mpc/include $gmpinc"
1237 if test "x$with_mpc_include" != x; then
1238 gmpinc="-I$with_mpc_include $gmpinc"
1240 if test "x$with_mpc_lib" != x; then
1241 gmplibs="-L$with_mpc_lib $gmplibs"
1243 if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then
1244 gmplibs='-L$$r/$(HOST_SUBDIR)/mpc/src/'"$lt_cv_objdir $gmplibs"
1245 gmpinc='-I$$s/mpc/src '"$gmpinc"
1246 # Do not test the mpc version. Assume that it is sufficient, since
1247 # it is in the source tree, and the library has not been built yet
1248 # but it would be included on the link line in the version check below
1249 # hence making the test fail.
1253 # Specify a location for mpfr
1254 # check for this first so it ends up on the link line before gmp.
1255 AC_ARG_WITH(mpfr-dir,
1256 [AS_HELP_STRING([--with-mpfr-dir=PATH], [this option has been REMOVED])],
1257 [AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed.
1258 Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH])])
1261 [AS_HELP_STRING([--with-mpfr=PATH],
1262 [specify prefix directory for installed MPFR package.
1263 Equivalent to --with-mpfr-include=PATH/include
1264 plus --with-mpfr-lib=PATH/lib])])
1265 AC_ARG_WITH(mpfr-include,
1266 [AS_HELP_STRING([--with-mpfr-include=PATH],
1267 [specify directory for installed MPFR include files])])
1268 AC_ARG_WITH(mpfr-lib,
1269 [AS_HELP_STRING([--with-mpfr-lib=PATH],
1270 [specify directory for the installed MPFR library])])
1272 if test "x$with_mpfr" != x; then
1273 gmplibs="-L$with_mpfr/lib $gmplibs"
1274 gmpinc="-I$with_mpfr/include $gmpinc"
1276 if test "x$with_mpfr_include" != x; then
1277 gmpinc="-I$with_mpfr_include $gmpinc"
1279 if test "x$with_mpfr_lib" != x; then
1280 gmplibs="-L$with_mpfr_lib $gmplibs"
1282 if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then
1283 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir $gmplibs"
1284 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr -I$$s/mpfr '"$gmpinc"
1285 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir"
1286 # Do not test the mpfr version. Assume that it is sufficient, since
1287 # it is in the source tree, and the library has not been built yet
1288 # but it would be included on the link line in the version check below
1289 # hence making the test fail.
1293 # Specify a location for gmp
1294 AC_ARG_WITH(gmp-dir,
1295 [AS_HELP_STRING([--with-gmp-dir=PATH], [this option has been REMOVED])],
1296 [AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed.
1297 Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH])])
1300 [AS_HELP_STRING([--with-gmp=PATH],
1301 [specify prefix directory for the installed GMP package.
1302 Equivalent to --with-gmp-include=PATH/include
1303 plus --with-gmp-lib=PATH/lib])])
1304 AC_ARG_WITH(gmp-include,
1305 [AS_HELP_STRING([--with-gmp-include=PATH],
1306 [specify directory for installed GMP include files])])
1307 AC_ARG_WITH(gmp-lib,
1308 [AS_HELP_STRING([--with-gmp-lib=PATH],
1309 [specify directory for the installed GMP library])])
1312 if test "x$with_gmp" != x; then
1313 gmplibs="-L$with_gmp/lib $gmplibs"
1314 gmpinc="-I$with_gmp/include $gmpinc"
1316 if test "x$with_gmp_include" != x; then
1317 gmpinc="-I$with_gmp_include $gmpinc"
1319 if test "x$with_gmp_lib" != x; then
1320 gmplibs="-L$with_gmp_lib $gmplibs"
1322 if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then
1323 gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir $gmplibs"
1324 gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc"
1325 extra_mpfr_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
1326 extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
1327 # Do not test the gmp version. Assume that it is sufficient, since
1328 # it is in the source tree, and the library has not been built yet
1329 # but it would be included on the link line in the version check below
1330 # hence making the test fail.
1334 if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then
1336 saved_CFLAGS="$CFLAGS"
1337 CFLAGS="$CFLAGS $gmpinc"
1338 # Check for the recommended and required versions of GMP.
1339 AC_MSG_CHECKING([for the correct version of gmp.h])
1340 AC_TRY_COMPILE([#include "gmp.h"],[
1341 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1342 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1343 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,0)
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(4,3,2)
1352 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1353 [AC_MSG_RESULT([no]); have_gmp=no])
1355 # If we have GMP, check the MPFR version.
1356 if test x"$have_gmp" = xyes; then
1357 # Check for the recommended and required versions of MPFR.
1358 AC_MSG_CHECKING([for the correct version of mpfr.h])
1359 AC_TRY_COMPILE([#include <gmp.h>
1360 #include <mpfr.h>],[
1361 #if MPFR_VERSION < MPFR_VERSION_NUM(2,3,1)
1364 ], [AC_TRY_COMPILE([#include <gmp.h>
1365 #include <mpfr.h>],[
1366 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,2)
1369 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1370 [AC_MSG_RESULT([no]); have_gmp=no])
1373 # Check for the MPC header version.
1374 if test x"$have_gmp" = xyes ; then
1375 # Check for the recommended and required versions of MPC.
1376 AC_MSG_CHECKING([for the correct version of mpc.h])
1377 AC_TRY_COMPILE([#include <mpc.h>],[
1378 #if MPC_VERSION < MPC_VERSION_NUM(0,8,0)
1381 ], [AC_TRY_COMPILE([#include <mpc.h>],[
1382 #if MPC_VERSION < MPC_VERSION_NUM(0,8,1)
1385 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1386 [AC_MSG_RESULT([no]); have_gmp=no])
1389 # Now check the MPFR library.
1390 if test x"$have_gmp" = xyes; then
1392 LIBS="$LIBS $gmplibs"
1393 AC_MSG_CHECKING([for the correct version of the gmp/mpfr/mpc libraries])
1394 AC_TRY_LINK([#include <mpc.h>],[
1401 mpfr_atan2 (n, n, x, GMP_RNDN);
1402 mpfr_erfc (n, x, GMP_RNDN);
1403 mpfr_subnormalize (x, t, GMP_RNDN);
1407 mpc_set_ui_ui (c, 1, 1, MPC_RNDNN);
1408 mpc_cosh (c, c, MPC_RNDNN);
1409 mpc_pow (c, c, c, MPC_RNDNN);
1410 mpc_acosh (c, c, MPC_RNDNN);
1412 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1416 CFLAGS="$saved_CFLAGS"
1418 # The library versions listed in the error message below should match
1419 # the HARD-minimums enforced above.
1420 if test x$have_gmp != xyes; then
1421 AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 2.3.1+ and MPC 0.8.0+.
1422 Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify
1423 their locations. Source code for these libraries can be found at
1424 their respective hosting sites as well as at
1425 ftp://gcc.gnu.org/pub/gcc/infrastructure/. See also
1426 http://gcc.gnu.org/install/prerequisites.html for additional info. If
1427 you obtained GMP, MPFR and/or MPC from a vendor distribution package,
1428 make sure that you have installed both the libraries and the header
1429 files. They may be located in separate packages.])
1433 # Flags needed for both GMP, MPFR and/or MPC.
1436 AC_SUBST(extra_mpfr_configure_flags)
1437 AC_SUBST(extra_mpc_gmp_configure_flags)
1438 AC_SUBST(extra_mpc_mpfr_configure_flags)
1440 # Allow host libstdc++ to be specified for static linking with PPL.
1441 AC_ARG_WITH(host-libstdcxx,
1442 [AS_HELP_STRING([--with-host-libstdcxx=L],
1443 [use linker arguments L to link with libstdc++
1444 when linking with PPL])])
1446 case $with_host_libstdcxx in
1448 AC_MSG_ERROR([-with-host-libstdcxx needs an argument])
1452 # Linker flags to use for stage1 or when not boostrapping.
1453 AC_ARG_WITH(stage1-ldflags,
1454 [AS_HELP_STRING([--with-stage1-ldflags=FLAGS], [linker flags for stage1])],
1455 [if test "$withval" = "no" -o "$withval" = "yes"; then
1458 stage1_ldflags=$withval
1461 AC_SUBST(stage1_ldflags)
1463 # Libraries to use for stage1 or when not bootstrapping.
1464 AC_ARG_WITH(stage1-libs,
1465 [AS_HELP_STRING([--with-stage1-libs=LIBS], [libraries for stage1])],
1466 [if test "$withval" = "no" -o "$withval" = "yes"; then
1469 stage1_libs=$withval
1471 [stage1_libs=$with_host_libstdcxx])
1472 AC_SUBST(stage1_libs)
1474 # Libraries to use for stage2 and later builds. This defaults to the
1475 # argument passed to --with-host-libstdcxx.
1476 AC_ARG_WITH(boot-libs,
1477 [AS_HELP_STRING([--with-boot-libs=LIBS], [libraries for stage2 and later])],
1478 [if test "$withval" = "no" -o "$withval" = "yes"; then
1481 poststage1_libs=$withval
1483 [poststage1_libs=$with_host_libstdcxx])
1484 AC_SUBST(poststage1_libs)
1486 # Linker flags to use for stage2 and later builds.
1487 AC_ARG_WITH(boot-ldflags,
1488 [AS_HELP_STRING([--with-boot-ldflags=FLAGS],
1489 [linker flags for stage2 and later])],
1490 [if test "$withval" = "no" -o "$withval" = "yes"; then
1493 poststage1_ldflags=$withval
1495 [poststage1_ldflags=
1496 # In stages 2 and 3, default to linking libstdc++ and libgcc
1497 # statically. But if the user explicitly specified the libraries to
1498 # use, trust that they are doing what they want.
1499 if test "$poststage1_libs" = ""; then
1500 poststage1_ldflags="-static-libstdc++ -static-libgcc"
1502 AC_SUBST(poststage1_ldflags)
1510 [AS_HELP_STRING([--with-ppl=PATH],
1511 [specify prefix directory for the installed PPL package.
1512 Equivalent to --with-ppl-include=PATH/include
1513 plus --with-ppl-lib=PATH/lib])])
1514 AC_ARG_WITH(ppl-include,
1515 [AS_HELP_STRING([--with-ppl-include=PATH],
1516 [specify directory for installed PPL include files])])
1517 AC_ARG_WITH(ppl-lib,
1518 [AS_HELP_STRING([--with-ppl-lib=PATH],
1519 [specify directory for the installed PPL library])])
1521 AC_ARG_ENABLE(ppl-version-check,
1522 [AS_HELP_STRING([--disable-ppl-version-check],
1523 [disable check for PPL version])])
1529 ppllibs="-L$with_ppl/lib"
1530 pplinc="-I$with_ppl/include $pplinc"
1531 if test -d "$with_ppl/lib" && test -d "$with_ppl/include"; then
1534 AC_MSG_ERROR([cannot find directories "$with_ppl/lib" or "$with_ppl/include"])
1539 if test x"$with_ppl_include" != x; then
1540 pplinc="-I$with_ppl_include $pplinc"
1544 if test "x$with_ppl_lib" != x; then
1545 ppllibs="-L$with_ppl_lib"
1549 if test x"$with_ppl$with_ppl_include$with_ppl_lib" = x && test -d ${srcdir}/ppl; then
1550 if test x"$enable_watchdog" = xyes; then
1553 ppllibs='-L$$r/$(HOST_SUBDIR)/ppl/interfaces/C/'"$lt_cv_objdir"' -L$$r/$(HOST_SUBDIR)/ppl/src/'"$lt_cv_objdir"
1554 pplinc='-I$$r/$(HOST_SUBDIR)/ppl/src -I$$r/$(HOST_SUBDIR)/ppl/interfaces/C '
1555 enable_ppl_version_check=no
1559 if test "x$with_ppl" != xno; then
1560 if test "x$pwllib" = x; then
1562 LIBS="$LIBS $ppllibs -lstdc++ -lm"
1563 AC_CHECK_LIB(pwl, PWL_handle_timeout, [pwllib="-lpwl"])
1567 ppllibs="$ppllibs -lppl_c -lppl $pwllib -lgmpxx"
1569 if test "$enable_ppl_version_check" != no; then
1570 saved_CFLAGS="$CFLAGS"
1571 CFLAGS="$CFLAGS $pplinc $gmpinc"
1572 AC_MSG_CHECKING([for version 0.11 (revision 0 or later) of PPL])
1573 AC_TRY_COMPILE([#include "ppl_c.h"],[
1574 #if PPL_VERSION_MAJOR != 0 || PPL_VERSION_MINOR < 11
1577 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); ppllibs= ; pplinc= ; with_ppl=no ])
1578 CFLAGS="$saved_CFLAGS"
1582 # Flags needed for PPL
1589 dnl Provide configure switches and initialize clooginc & clooglibs
1590 dnl with user input.
1592 if test "x$with_ppl" = "xno"; then
1593 dnl Only execute fail-action, if CLooG has been requested.
1594 CLOOG_REQUESTED([graphite_requested=yes], [graphite_requested=no])
1595 if test "${graphite_requested}" = yes; then
1596 AC_MSG_ERROR([Unable to find a usable PPL. See config.log for details.])
1600 if test "x${with_cloog}" = x && test "x${with_cloog_include}" = x \
1601 && test "x${with_cloog_lib}" = x && test -d ${srcdir}/cloog; then
1602 clooglibs='-L$$r/$(HOST_SUBDIR)/cloog/'"$lt_cv_objdir"' '
1603 clooginc='-I$$r/$(HOST_SUBDIR)/cloog/include -I$$s/cloog/include '
1605 if test "x$with_cloog" != "xno"; then
1606 dnl The minimal version of CLooG required for Graphite.
1608 dnl If we use CLooG-Legacy, the provided version information is
1610 CLOOG_CHECK_VERSION(0,16,1)
1612 dnl Only execute fail-action, if CLooG has been requested.
1614 AC_MSG_ERROR([Unable to find a usable CLooG. See config.log for details.])])
1617 # Check for LTO support.
1619 [AS_HELP_STRING([--enable-lto], [enable link time optimization support])],
1620 enable_lto=$enableval,
1621 enable_lto=yes; default_enable_lto=yes)
1623 ACX_ELF_TARGET_IFELSE([# ELF platforms build the lto-plugin always.
1624 build_lto_plugin=yes
1625 ],[if test x"$default_enable_lto" = x"yes" ; then
1627 *-apple-darwin9* | *-cygwin* | *-mingw*) ;;
1628 # On other non-ELF platforms, LTO has yet to be validated.
1632 # Apart from ELF platforms, only Windows and Darwin support LTO so far.
1633 # It would also be nice to check the binutils support, but we don't
1634 # have gcc_GAS_CHECK_FEATURE available here. For now, we'll just
1635 # warn during gcc/ subconfigure; unless you're bootstrapping with
1636 # -flto it won't be needed until after installation anyway.
1638 *-cygwin* | *-mingw* | *-apple-darwin*) ;;
1639 *) if test x"$enable_lto" = x"yes"; then
1640 AC_MSG_ERROR([LTO support is not enabled for this target.])
1645 # Among non-ELF, only Windows platforms support the lto-plugin so far.
1646 # Build it unless LTO was explicitly disabled.
1648 *-cygwin* | *-mingw*) build_lto_plugin=$enable_lto ;;
1654 # By default, C is the only stage 1 language.
1655 stage1_languages=,c,
1657 # Target libraries that we bootstrap.
1658 bootstrap_target_libs=,target-libgcc,
1660 # Figure out what language subdirectories are present.
1661 # Look if the user specified --enable-languages="..."; if not, use
1662 # the environment variable $LANGUAGES if defined. $LANGUAGES might
1664 # NB: embedded tabs in this IF block -- do not untabify
1665 if test -d ${srcdir}/gcc; then
1666 if test x"${enable_languages+set}" != xset; then
1667 if test x"${LANGUAGES+set}" = xset; then
1668 enable_languages="${LANGUAGES}"
1669 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1671 enable_languages=all
1674 if test x"${enable_languages}" = x ||
1675 test x"${enable_languages}" = xyes;
1677 echo configure.in: --enable-languages needs at least one language argument 1>&2
1681 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1683 # 'f95' is the old name for the 'fortran' language. We issue a warning
1684 # and make the substitution.
1685 case ,${enable_languages}, in
1687 echo configure.in: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2
1688 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'`
1692 # If bootstrapping, then using --enable-build-with-cxx or
1693 # --enable-build-poststage1-with-cxx requires enabling C++.
1694 case ",$enable_languages,:,$ENABLE_BUILD_WITH_CXX,$ENABLE_BUILD_POSTSTAGE1_WITH_CXX,:$enable_bootstrap" in
1697 if test -f ${srcdir}/gcc/cp/config-lang.in; then
1698 enable_languages="${enable_languages},c++"
1700 AC_MSG_ERROR([bootstrapping with --enable-build-with-cxx or --enable-build-poststage1-with-cxx requires c++ sources])
1705 # First scan to see if an enabled language requires some other language.
1706 # We assume that a given config-lang.in will list all the language
1707 # front ends it requires, even if some are required indirectly.
1708 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1709 case ${lang_frag} in
1711 # The odd quoting in the next line works around
1712 # an apparent bug in bash 1.12 on linux.
1713 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1715 # From the config-lang.in, get $language, $lang_requires, and
1716 # $lang_requires_boot_languages.
1719 lang_requires_boot_languages=
1721 for other in ${lang_requires} ${lang_requires_boot_languages}; do
1722 case ,${enable_languages}, in
1726 echo " \`$other' language required by \`$language'; enabling" 1>&2
1727 enable_languages="${enable_languages},${other}"
1731 for other in ${lang_requires_boot_languages} ; do
1732 if test "$other" != "c"; then
1733 case ,${enable_stage1_languages}, in
1737 case ,${enable_languages}, in
1739 echo " '$other' language required by '$language' in stage 1; enabling" 1>&2
1740 enable_stage1_languages="$enable_stage1_languages,${other}"
1751 new_enable_languages=,c,
1753 # If LTO is enabled, add the LTO front end.
1754 extra_host_libiberty_configure_flags=
1755 if test "$enable_lto" = "yes" ; then
1756 case ,${enable_languages}, in
1758 *) enable_languages="${enable_languages},lto" ;;
1760 if test "${build_lto_plugin}" = "yes" ; then
1761 configdirs="$configdirs lto-plugin"
1762 extra_host_libiberty_configure_flags=--enable-shared
1765 AC_SUBST(extra_host_libiberty_configure_flags)
1767 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
1768 potential_languages=,c,
1770 enabled_target_libs=
1771 disabled_target_libs=
1773 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1774 case ${lang_frag} in
1776 # The odd quoting in the next line works around
1777 # an apparent bug in bash 1.12 on linux.
1778 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1780 # From the config-lang.in, get $language, $target_libs,
1781 # $lang_dirs, $boot_language, and $build_by_default
1787 build_by_default=yes
1789 if test x${language} = x; then
1790 echo "${lang_frag} doesn't set \$language." 1>&2
1794 if test "$language" = "c++"; then
1795 if test "$ENABLE_BUILD_WITH_CXX" = "yes" \
1796 || test "$ENABLE_BUILD_POSTSTAGE1_WITH_CXX" = "yes"; then
1801 case ,${enable_languages}, in
1803 # Language was explicitly selected; include it.
1807 # 'all' was selected, select it if it is a default language
1808 add_this_lang=${build_by_default}
1815 # Disable languages that need other directories if these aren't available.
1816 for i in $subdir_requires; do
1817 test -f "$srcdir/gcc/$i/config-lang.in" && continue
1818 case ,${enable_languages}, in
1820 # Specifically requested language; tell them.
1821 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing])
1825 add_this_lang=unsupported
1830 # Disable Ada if no preexisting GNAT is available.
1831 case ,${enable_languages},:${language}:${have_gnat} in
1832 *,${language},*:ada:no)
1833 # Specifically requested language; tell them.
1834 AC_MSG_ERROR([GNAT is required to build $language])
1838 add_this_lang=unsupported
1842 # Disable a language that is unsupported by the target.
1843 case " $unsupported_languages " in
1845 add_this_lang=unsupported
1849 case $add_this_lang in
1851 # Remove language-dependent dirs.
1852 disabled_target_libs="$disabled_target_libs $target_libs"
1853 noconfigdirs="$noconfigdirs $lang_dirs"
1856 # Remove language-dependent dirs; still show language as supported.
1857 disabled_target_libs="$disabled_target_libs $target_libs"
1858 noconfigdirs="$noconfigdirs $lang_dirs"
1859 potential_languages="${potential_languages}${language},"
1862 new_enable_languages="${new_enable_languages}${language},"
1863 potential_languages="${potential_languages}${language},"
1864 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
1865 enabled_target_libs="$enabled_target_libs $target_libs"
1866 case "${boot_language}:,$enable_stage1_languages," in
1867 yes:* | *:*,$language,* | *:*,yes, | *:*,all,)
1868 # Add to (comma-separated) list of stage 1 languages.
1869 case ",$stage1_languages," in
1870 *,$language,* | ,yes, | ,all,) ;;
1871 *) stage1_languages="${stage1_languages}${language}," ;;
1873 # We need to bootstrap any supporting libraries.
1874 bootstrap_target_libs="${bootstrap_target_libs}${target_libs},"
1883 # Add target libraries which are only needed for disabled languages
1885 if test -n "$disabled_target_libs"; then
1886 for dir in $disabled_target_libs; do
1887 case " $enabled_target_libs " in
1889 *) noconfigdirs="$noconfigdirs $dir" ;;
1894 AC_ARG_ENABLE(stage1-languages,
1895 [AS_HELP_STRING([[--enable-stage1-languages[=all]]],
1896 [choose additional languages to build during
1897 stage1. Mostly useful for compiler development])],
1898 [case ,${enable_stage1_languages}, in
1900 # Set it to something that will have no effect in the loop below
1901 enable_stage1_languages=c ;;
1903 enable_stage1_languages=`echo $new_enable_languages | \
1904 sed -e "s/^,//" -e "s/,$//" ` ;;
1906 enable_stage1_languages=`echo ,$enable_stage1_languages, | \
1907 sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;;
1910 # Add "good" languages from enable_stage1_languages to stage1_languages,
1911 # while "bad" languages go in missing_languages. Leave no duplicates.
1912 for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do
1913 case $potential_languages in
1915 case $stage1_languages in
1917 *) stage1_languages="$stage1_languages$i," ;;
1920 case $missing_languages in
1922 *) missing_languages="$missing_languages$i," ;;
1927 # Remove leading/trailing commas that were added for simplicity
1928 potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"`
1929 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
1930 stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"`
1931 new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"`
1933 if test "x$missing_languages" != x; then
1935 The following requested languages could not be built: ${missing_languages}
1936 Supported languages are: ${potential_languages}])
1938 if test "x$new_enable_languages" != "x$enable_languages"; then
1939 echo The following languages will be built: ${new_enable_languages}
1940 enable_languages="$new_enable_languages"
1943 AC_SUBST(stage1_languages)
1944 ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" `
1947 # Handle --disable-<component> generically.
1948 for dir in $configdirs $build_configdirs $target_configdirs ; do
1949 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g`
1950 varname=`echo $dirname | sed -e s/+/_/g`
1951 if eval test x\${enable_${varname}} "=" xno ; then
1952 noconfigdirs="$noconfigdirs $dir"
1956 # Check for Boehm's garbage collector
1957 AC_ARG_ENABLE(objc-gc,
1958 [AS_HELP_STRING([--enable-objc-gc],
1959 [enable use of Boehm's garbage collector with the
1960 GNU Objective-C runtime])],
1961 [case ,${enable_languages},:${enable_objc_gc}:${noconfigdirs} in
1962 *,objc,*:*:yes:*target-boehm-gc*)
1963 AC_MSG_ERROR([Boehm's garbage collector was requested yet not supported in this configuration])
1967 # Make sure we only build Boehm's garbage collector if required.
1968 case ,${enable_languages},:${enable_objc_gc} in
1970 # Keep target-boehm-gc if requested for Objective-C.
1973 # Otherwise remove target-boehm-gc depending on target-libjava.
1974 if echo " ${noconfigdirs} " | grep "target-libjava" >/dev/null 2>&1; then
1975 noconfigdirs="$noconfigdirs target-boehm-gc"
1980 # Disable libitm if we're not building C++
1981 case ,${enable_languages}, in
1984 noconfigdirs="$noconfigdirs target-libitm"
1988 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
1989 # $build_configdirs and $target_configdirs.
1990 # If we have the source for $noconfigdirs entries, add them to $notsupp.
1993 for dir in . $skipdirs $noconfigdirs ; do
1994 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
1995 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1996 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
1997 if test -r $srcdir/$dirname/configure ; then
1998 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2001 notsupp="$notsupp $dir"
2005 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2006 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"`
2007 if test -r $srcdir/$dirname/configure ; then
2008 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2011 notsupp="$notsupp $dir"
2015 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2016 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
2017 if test -r $srcdir/$dirname/configure ; then
2018 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2021 notsupp="$notsupp $dir"
2027 # Quietly strip out all directories which aren't configurable in this tree.
2028 # This relies on all configurable subdirectories being autoconfiscated, which
2030 build_configdirs_all="$build_configdirs"
2032 for i in ${build_configdirs_all} ; do
2033 j=`echo $i | sed -e s/build-//g`
2034 if test -f ${srcdir}/$j/configure ; then
2035 build_configdirs="${build_configdirs} $i"
2039 configdirs_all="$configdirs"
2041 for i in ${configdirs_all} ; do
2042 if test -f ${srcdir}/$i/configure ; then
2043 configdirs="${configdirs} $i"
2047 target_configdirs_all="$target_configdirs"
2049 for i in ${target_configdirs_all} ; do
2050 j=`echo $i | sed -e s/target-//g`
2051 if test -f ${srcdir}/$j/configure ; then
2052 target_configdirs="${target_configdirs} $i"
2056 # Produce a warning message for the subdirs we can't configure.
2057 # This isn't especially interesting in the Cygnus tree, but in the individual
2058 # FSF releases, it's important to let people know when their machine isn't
2059 # supported by the one or two programs in a package.
2061 if test -n "${notsupp}" && test -z "${norecursion}" ; then
2062 # If $appdirs is non-empty, at least one of those directories must still
2063 # be configured, or we error out. (E.g., if the gas release supports a
2064 # specified target in some subdirs but not the gas subdir, we shouldn't
2065 # pretend that all is well.)
2066 if test -n "$appdirs" ; then
2067 for dir in $appdirs ; do
2068 if test -r $dir/Makefile.in ; then
2069 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2073 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
2079 if test -n "$appdirs" ; then
2080 echo "*** This configuration is not supported by this package." 1>&2
2084 # Okay, some application will build, or we don't care to check. Still
2085 # notify of subdirs not getting built.
2086 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
2087 echo " ${notsupp}" 1>&2
2088 echo " (Any other directories should still work fine.)" 1>&2
2096 # To find our prefix, in gcc_cv_tool_prefix.
2101 AC_ARG_WITH([build-sysroot],
2102 [AS_HELP_STRING([--with-build-sysroot=SYSROOT],
2103 [use sysroot as the system root during the build])],
2104 [if test x"$withval" != x ; then
2105 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval"
2107 [SYSROOT_CFLAGS_FOR_TARGET=])
2108 AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET)
2110 AC_ARG_WITH([debug-prefix-map],
2111 [AS_HELP_STRING([--with-debug-prefix-map='A=B C=D ...'],
2112 [map A to B, C to D ... in debug information])],
2113 [if test x"$withval" != x; then
2114 DEBUG_PREFIX_CFLAGS_FOR_TARGET=
2115 for debug_map in $withval; do
2116 DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map"
2119 [DEBUG_PREFIX_CFLAGS_FOR_TARGET=])
2120 AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET)
2122 # During gcc bootstrap, if we use some random cc for stage1 then CFLAGS
2123 # might be empty or "-g". We don't require a C++ compiler, so CXXFLAGS
2124 # might also be empty (or "-g", if a non-GCC C++ compiler is in the path).
2125 # We want to ensure that TARGET libraries (which we know are built with
2126 # gcc) are built with "-O2 -g", so include those options when setting
2127 # CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET.
2128 if test "x$CFLAGS_FOR_TARGET" = x; then
2129 CFLAGS_FOR_TARGET=$CFLAGS
2132 *) CFLAGS_FOR_TARGET="-O2 $CFLAGS" ;;
2135 *" -g "* | *" -g3 "*) ;;
2136 *) CFLAGS_FOR_TARGET="-g $CFLAGS" ;;
2139 AC_SUBST(CFLAGS_FOR_TARGET)
2141 if test "x$CXXFLAGS_FOR_TARGET" = x; then
2142 CXXFLAGS_FOR_TARGET=$CXXFLAGS
2143 case " $CXXFLAGS " in
2145 *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS" ;;
2147 case " $CXXFLAGS " in
2148 *" -g "* | *" -g3 "*) ;;
2149 *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS" ;;
2152 AC_SUBST(CXXFLAGS_FOR_TARGET)
2154 AC_SUBST(LDFLAGS_FOR_TARGET)
2156 # Handle --with-headers=XXX. If the value is not "yes", the contents of
2157 # the named directory are copied to $(tooldir)/sys-include.
2158 if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
2159 if test x${is_cross_compiler} = xno ; then
2160 echo 1>&2 '***' --with-headers is only supported when cross compiling
2163 if test x"${with_headers}" != xyes ; then
2164 x=${gcc_cv_tool_prefix}
2165 copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include"
2169 # Handle --with-libs=XXX. If the value is not "yes", the contents of
2170 # the name directories are copied to $(tooldir)/lib. Multiple directories
2172 if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
2173 if test x${is_cross_compiler} = xno ; then
2174 echo 1>&2 '***' --with-libs is only supported when cross compiling
2177 if test x"${with_libs}" != xyes ; then
2178 # Copy the libraries in reverse order, so that files in the first named
2179 # library override files in subsequent libraries.
2180 x=${gcc_cv_tool_prefix}
2181 for l in ${with_libs}; do
2182 copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}"
2187 # Set with_gnu_as, with_gnu_ld, and with_system_zlib as appropriate.
2189 # This is done by determining whether or not the appropriate directory
2190 # is available, and by checking whether or not specific configurations
2191 # have requested that this magic not happen.
2193 # The command line options always override the explicit settings in
2194 # configure.in, and the settings in configure.in override this magic.
2196 # If the default for a toolchain is to use GNU as and ld, and you don't
2197 # want to do that, then you should use the --without-gnu-as and
2198 # --without-gnu-ld options for the configure script. Similarly, if
2199 # the default is to use the included zlib and you don't want to do that,
2200 # you should use the --with-system-zlib option for the configure script.
2202 if test x${use_gnu_as} = x &&
2203 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
2205 extra_host_args="$extra_host_args --with-gnu-as"
2208 if test x${use_gnu_ld} = x &&
2209 echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then
2211 extra_host_args="$extra_host_args --with-gnu-ld"
2214 if test x${use_included_zlib} = x &&
2215 echo " ${configdirs} " | grep " zlib " > /dev/null 2>&1 ; then
2218 with_system_zlib=yes
2219 extra_host_args="$extra_host_args --with-system-zlib"
2222 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
2223 # can detect this case.
2225 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
2227 extra_host_args="$extra_host_args --with-newlib"
2230 # Handle ${copy_dirs}
2231 set fnord ${copy_dirs}
2233 while test $# != 0 ; do
2234 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
2237 echo Copying $1 to $2
2239 # Use the install script to create the directory and all required
2240 # parent directories.
2241 if test -d $2 ; then
2245 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
2248 # Copy the directory, assuming we have tar.
2249 # FIXME: Should we use B in the second tar? Not all systems support it.
2250 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
2252 # It is the responsibility of the user to correctly adjust all
2253 # symlinks. If somebody can figure out how to handle them correctly
2254 # here, feel free to add the code.
2261 # Determine a target-dependent exec_prefix that the installed
2262 # gcc will search in. Keep this list sorted by triplet, with
2263 # the *-*-osname triplets last.
2266 i[[34567]]86-pc-msdosdjgpp*)
2267 md_exec_prefix=/dev/env/DJDIR/bin
2272 md_exec_prefix=/usr/ccs/bin
2276 extra_arflags_for_target=
2277 extra_nmflags_for_target=
2278 extra_ranlibflags_for_target=
2279 target_makefile_frag=/dev/null
2282 target_makefile_frag="config/mt-spu"
2285 target_makefile_frag="config/mt-sde"
2287 mipsisa*-*-elfoabi*)
2288 target_makefile_frag="config/mt-mips-elfoabi"
2290 mips*-*-*linux* | mips*-*-gnu*)
2291 target_makefile_frag="config/mt-mips-gnu"
2293 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
2294 target_makefile_frag="config/mt-gnu"
2296 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
2297 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
2298 # commands to handle both 32-bit and 64-bit objects. These flags are
2299 # harmless if we're using GNU nm or ar.
2300 extra_arflags_for_target=" -X32_64"
2301 extra_nmflags_for_target=" -B -X32_64"
2305 alphaieee_frag=/dev/null
2308 # This just makes sure to use the -mieee option to build target libs.
2309 # This should probably be set individually by each library.
2310 alphaieee_frag="config/mt-alphaieee"
2314 # If --enable-target-optspace always use -Os instead of -O2 to build
2315 # the target libraries, similarly if it is not specified, use -Os
2316 # on selected platforms.
2317 ospace_frag=/dev/null
2318 case "${enable_target_optspace}:${target}" in
2320 ospace_frag="config/mt-ospace"
2323 ospace_frag="config/mt-d30v"
2325 :m32r-* | :d10v-* | :fr30-*)
2326 ospace_frag="config/mt-ospace"
2331 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
2335 # Default to using --with-stabs for certain targets.
2336 if test x${with_stabs} = x ; then
2338 mips*-*-irix[[56]]*)
2340 mips*-*-* | alpha*-*-osf*)
2342 extra_host_args="${extra_host_args} --with-stabs"
2347 # Some systems (e.g., one of the i386-aix systems the gas testers are
2348 # using) don't handle "\$" correctly, so don't use it here.
2349 tooldir='${exec_prefix}'/${target_noncanonical}
2350 build_tooldir=${tooldir}
2352 # Create a .gdbinit file which runs the one in srcdir
2353 # and tells GDB to look there for source files.
2355 if test -r ${srcdir}/.gdbinit ; then
2358 *) cat > ./.gdbinit <<EOF
2362 source ${srcdir}/.gdbinit
2368 # Make sure that the compiler is able to generate an executable. If it
2369 # can't, we are probably in trouble. We don't care whether we can run the
2370 # executable--we might be using a cross compiler--we only care whether it
2371 # can be created. At this point the main configure script has set CC.
2373 echo "int main () { return 0; }" > conftest.c
2374 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
2375 if test $? = 0 ; then
2376 if test -s conftest || test -s conftest.exe ; then
2382 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
2383 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
2390 # Decide which environment variable is used to find dynamic libraries.
2392 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
2393 *-*-darwin*) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;;
2394 *-*-mingw* | *-*-cygwin ) RPATH_ENVVAR=PATH ;;
2395 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
2398 # On systems where the dynamic library environment variable is PATH,
2399 # gcc/ will put dynamic libraries into a subdirectory to avoid adding
2400 # built executables to PATH.
2401 if test "$RPATH_ENVVAR" = PATH; then
2402 GCC_SHLIB_SUBDIR=/shlib
2407 # Record target_configdirs and the configure arguments for target and
2408 # build configuration in Makefile.
2409 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
2410 build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
2412 # If we are building libgomp, bootstrap it.
2413 if echo " ${target_configdirs} " | grep " libgomp " > /dev/null 2>&1 ; then
2414 bootstrap_target_libs=${bootstrap_target_libs}target-libgomp,
2417 # Determine whether gdb needs tk/tcl or not.
2418 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
2419 # and in that case we want gdb to be built without tk. Ugh!
2420 # In fact I believe gdb is the *only* package directly dependent on tk,
2421 # so we should be able to put the 'maybe's in unconditionally and
2422 # leave out the maybe dependencies when enable_gdbtk is false. I'm not
2423 # 100% sure that that's safe though.
2425 gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
2426 case "$enable_gdbtk" in
2430 GDB_TK="${gdb_tk}" ;;
2432 # Only add the dependency on gdbtk when GDBtk is part of the gdb
2433 # distro. Eventually someone will fix this and move Insight, nee
2434 # gdbtk to a separate directory.
2435 if test -d ${srcdir}/gdb/gdbtk ; then
2442 CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g`
2443 INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g`
2445 # Strip out unwanted targets.
2447 # While at that, we remove Makefiles if we were started for recursive
2448 # configuration, so that the top-level Makefile reconfigures them,
2449 # like we used to do when configure itself was recursive.
2451 # Loop over modules. We used to use the "$extrasub" feature from Autoconf
2452 # but now we're fixing up the Makefile ourselves with the additional
2453 # commands passed to AC_CONFIG_FILES. Use separate variables
2454 # extrasub-{build,host,target} not because there is any reason to split
2455 # the substitutions up that way, but only to remain below the limit of
2456 # 99 commands in a script, for HP-UX sed.
2457 # Do not nest @if/@endif pairs, because configure will not warn you at all.
2459 case "$enable_bootstrap:$ENABLE_GOLD: $configdirs :,$stage1_languages," in
2460 yes:yes:*\ gold\ *:*,c++,*) ;;
2461 yes:yes:*\ gold\ *:*)
2462 AC_MSG_ERROR([in a combined tree, bootstrapping with --enable-gold requires c++ in stage1_languages])
2466 # Adjust the toplevel makefile according to whether bootstrap was selected.
2467 case $enable_bootstrap in
2469 bootstrap_suffix=bootstrap
2470 BUILD_CONFIG=bootstrap-debug
2473 bootstrap_suffix=no-bootstrap
2478 AC_MSG_CHECKING(for default BUILD_CONFIG)
2480 AC_ARG_WITH([build-config],
2481 [AS_HELP_STRING([--with-build-config='NAME NAME2...'],
2482 [use config/NAME.mk build configuration])],
2483 [case $with_build_config in
2484 yes) with_build_config= ;;
2485 no) with_build_config= BUILD_CONFIG= ;;
2488 if test "x${with_build_config}" != x; then
2489 BUILD_CONFIG=$with_build_config
2491 case $BUILD_CONFIG in
2493 if echo "int f (void) { return 0; }" > conftest.c &&
2494 ${CC} -c conftest.c &&
2495 mv conftest.o conftest.o.g0 &&
2496 ${CC} -c -g conftest.c &&
2497 mv conftest.o conftest.o.g &&
2498 ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g > /dev/null 2>&1; then
2503 rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g
2507 AC_MSG_RESULT($BUILD_CONFIG)
2508 AC_SUBST(BUILD_CONFIG)
2511 for module in ${build_configdirs} ; do
2512 if test -z "${no_recursion}" \
2513 && test -f ${build_subdir}/${module}/Makefile; then
2514 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
2515 rm -f ${build_subdir}/${module}/Makefile
2517 extrasub_build="$extrasub_build
2518 /^@if build-$module\$/d
2519 /^@endif build-$module\$/d
2520 /^@if build-$module-$bootstrap_suffix\$/d
2521 /^@endif build-$module-$bootstrap_suffix\$/d"
2524 for module in ${configdirs} ; do
2525 if test -z "${no_recursion}"; then
2526 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do
2527 if test -f ${file}; then
2528 echo 1>&2 "*** removing ${file} to force reconfigure"
2533 extrasub_host="$extrasub_host
2535 /^@endif $module\$/d
2536 /^@if $module-$bootstrap_suffix\$/d
2537 /^@endif $module-$bootstrap_suffix\$/d"
2540 for module in ${target_configdirs} ; do
2541 if test -z "${no_recursion}" \
2542 && test -f ${target_subdir}/${module}/Makefile; then
2543 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
2544 rm -f ${target_subdir}/${module}/Makefile
2547 # We only bootstrap target libraries listed in bootstrap_target_libs.
2548 case $bootstrap_target_libs in
2549 *,target-$module,*) target_bootstrap_suffix=$bootstrap_suffix ;;
2550 *) target_bootstrap_suffix=no-bootstrap ;;
2553 extrasub_target="$extrasub_target
2554 /^@if target-$module\$/d
2555 /^@endif target-$module\$/d
2556 /^@if target-$module-$target_bootstrap_suffix\$/d
2557 /^@endif target-$module-$target_bootstrap_suffix\$/d"
2560 # Do the final fixup along with target modules.
2561 extrasub_target="$extrasub_target
2562 /^@if /,/^@endif /d"
2564 # Create the serialization dependencies. This uses a temporary file.
2566 AC_ARG_ENABLE([serial-configure],
2567 [AS_HELP_STRING([[--enable-serial-[{host,target,build}-]configure]],
2568 [force sequential configuration of
2569 sub-packages for the host, target or build
2570 machine, or all sub-packages])])
2572 case ${enable_serial_configure} in
2574 enable_serial_build_configure=yes
2575 enable_serial_host_configure=yes
2576 enable_serial_target_configure=yes
2580 # These force 'configure's to be done one at a time, to avoid problems
2581 # with contention over a shared config.cache.
2583 echo '# serdep.tmp' > serdep.tmp
2585 test "x${enable_serial_build_configure}" = xyes &&
2586 for item in ${build_configdirs} ; do
2589 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
2594 test "x${enable_serial_host_configure}" = xyes &&
2595 for item in ${configdirs} ; do
2598 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
2603 test "x${enable_serial_target_configure}" = xyes &&
2604 for item in ${target_configdirs} ; do
2607 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
2611 serialization_dependencies=serdep.tmp
2612 AC_SUBST_FILE(serialization_dependencies)
2614 # Base args. Strip norecursion, cache-file, srcdir, host, build,
2615 # target, nonopt, and variable assignments. These are the ones we
2616 # might not want to pass down to subconfigures. The exception being
2617 # --cache-file=/dev/null, which is used to turn off the use of cache
2618 # files altogether, and which should be passed on to subconfigures.
2619 # Also strip program-prefix, program-suffix, and program-transform-name,
2620 # so that we can pass down a consistent program-transform-name.
2625 eval "set -- $ac_configure_args"
2628 if test X"$skip_next" = X"yes"; then
2632 if test X"$keep_next" = X"yes"; then
2635 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2637 baseargs="$baseargs '$ac_arg'"
2638 tbaseargs="$tbaseargs '$ac_arg'"
2643 # Handle separated arguments. Based on the logic generated by
2646 *=* | --config-cache | -C | -disable-* | --disable-* \
2647 | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \
2648 | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \
2649 | -with-* | --with-* | -without-* | --without-* | --x)
2663 --with-* | --without-*)
2664 libopt=`echo "$ac_arg" | sed -e 's,^--[^-_]*[-_],,' -e 's,=.*$,,'`
2668 lib=`echo "$libopt" | sed 's,[-_]include$,,'`
2671 lib=`echo "$libopt" | sed 's,[-_]lib$,,'`
2680 mpc | mpfr | gmp | ppl | cloog)
2681 # If we're processing --with-$lib, --with-$lib-include or
2682 # --with-$lib-lib, for one of the libs above, and target is
2683 # different from host, don't pass the current argument to any
2684 # target library's configure.
2685 if test x$is_cross_compiler = xyes; then
2694 --cache-file=/dev/null | \
2695 -cache-file=/dev/null )
2696 # Handled here to avoid the test to skip args below.
2697 baseargs="$baseargs '$ac_arg'"
2698 tbaseargs="$tbaseargs '$ac_arg'"
2699 # Assert: $separate_arg should always be no.
2700 keep_next=$separate_arg
2716 -program-prefix* | \
2717 -program-suffix* | \
2718 -program-transform-name* )
2719 skip_next=$separate_arg
2723 # An option. Add it.
2726 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2728 baseargs="$baseargs '$ac_arg'"
2729 if test X"$skip_targ" = Xno; then
2730 tbaseargs="$tbaseargs '$ac_arg'"
2732 keep_next=$separate_arg
2735 # Either a variable assignment, or a nonopt (triplet). Don't
2736 # pass it down; let the Makefile handle this.
2741 # Remove the initial space we just introduced and, as these will be
2742 # expanded by make, quote '$'.
2743 baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
2745 # Add in --program-transform-name, after --program-prefix and
2746 # --program-suffix have been applied to it. Autoconf has already
2747 # doubled dollar signs and backslashes in program_transform_name; we want
2748 # the backslashes un-doubled, and then the entire thing wrapped in single
2749 # quotes, because this will be expanded first by make and then by the shell.
2750 # Also, because we want to override the logic in subdir configure scripts to
2751 # choose program_transform_name, replace any s,x,x, with s,y,y,.
2752 sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
2753 ${program_transform_name}
2755 gcc_transform_name=`cat conftestsed.out`
2756 rm -f conftestsed.out
2757 baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
2758 tbaseargs="$tbaseargs --program-transform-name='${gcc_transform_name}'"
2759 if test "$silent" = yes; then
2760 baseargs="$baseargs --silent"
2761 tbaseargs="$tbaseargs --silent"
2763 baseargs="$baseargs --disable-option-checking"
2764 tbaseargs="$tbaseargs --disable-option-checking"
2766 # Record and document user additions to sub configure arguments.
2767 AC_ARG_VAR([build_configargs],
2768 [additional configure arguments for build directories])
2769 AC_ARG_VAR([host_configargs],
2770 [additional configure arguments for host directories])
2771 AC_ARG_VAR([target_configargs],
2772 [additional configure arguments for target directories])
2774 # For the build-side libraries, we just need to pretend we're native,
2775 # and not use the same cache file. Multilibs are neither needed nor
2777 build_configargs="$build_configargs --cache-file=../config.cache ${baseargs}"
2779 # For host modules, accept cache file option, or specification as blank.
2780 case "${cache_file}" in
2782 cache_file_option="" ;;
2783 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
2784 cache_file_option="--cache-file=${cache_file}" ;;
2786 cache_file_option="--cache-file=../${cache_file}" ;;
2789 # Host dirs don't like to share a cache file either, horribly enough.
2790 # This seems to be due to autoconf 2.5x stupidity.
2791 host_configargs="$host_configargs --cache-file=./config.cache ${extra_host_args} ${baseargs}"
2793 target_configargs="$target_configargs ${tbaseargs}"
2795 # Passing a --with-cross-host argument lets the target libraries know
2796 # whether they are being built with a cross-compiler or being built
2797 # native. However, it would be better to use other mechanisms to make the
2798 # sorts of decisions they want to make on this basis. Please consider
2799 # this option to be deprecated. FIXME.
2800 if test x${is_cross_compiler} = xyes ; then
2801 target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}"
2804 # Default to --enable-multilib.
2805 if test x${enable_multilib} = x ; then
2806 target_configargs="--enable-multilib ${target_configargs}"
2809 # Pass --with-newlib if appropriate. Note that target_configdirs has
2810 # changed from the earlier setting of with_newlib.
2811 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
2812 target_configargs="--with-newlib ${target_configargs}"
2815 # Different target subdirs use different values of certain variables
2816 # (notably CXX). Worse, multilibs use *lots* of different values.
2817 # Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
2818 # it doesn't automatically accept command-line overrides of them.
2819 # This means it's not safe for target subdirs to share a cache file,
2820 # which is disgusting, but there you have it. Hopefully this can be
2821 # fixed in future. It's still worthwhile to use a cache file for each
2822 # directory. I think.
2824 # Pass the appropriate --build, --host, --target and --cache-file arguments.
2825 # We need to pass --target, as newer autoconf's requires consistency
2826 # for target_alias and gcc doesn't manage it consistently.
2827 target_configargs="--cache-file=./config.cache ${target_configargs}"
2830 case " $target_configdirs " in
2832 case " $target_configargs " in
2833 *" --with-newlib "*)
2836 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 $$s/winsup/w32api/include'
2840 # If we're not building GCC, don't discard standard headers.
2841 if test -d ${srcdir}/gcc; then
2842 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
2844 if test "${build}" != "${host}"; then
2845 # On Canadian crosses, CC_FOR_TARGET will have already been set
2846 # by `configure', so we won't have an opportunity to add -Bgcc/
2847 # to it. This is right: we don't want to search that directory
2848 # for binaries, but we want the header files in there, so add
2850 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include -isystem $$r/$(HOST_SUBDIR)/gcc/include-fixed'
2852 # Someone might think of using the pre-installed headers on
2853 # Canadian crosses, in case the installed compiler is not fully
2854 # compatible with the compiler being built. In this case, it
2855 # would be better to flag an error than risking having
2856 # incompatible object files being constructed. We can't
2857 # guarantee that an error will be flagged, but let's hope the
2858 # compiler will do it, when presented with incompatible header
2863 case "${target}-${is_cross_compiler}" in
2864 i[[3456789]]86-*-linux*-no)
2865 # Here host == target, so we don't need to build gcc,
2866 # so we don't want to discard standard headers.
2867 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
2870 # If we're building newlib, use its generic headers last, but search
2871 # for any libc-related directories first (so make it the last -B
2873 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
2875 # If we're building libgloss, find the startup file, simulator library
2876 # and linker script.
2877 case " $target_configdirs " in
2879 # Look for startup file, simulator library and maybe linker script.
2880 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/'"$libgloss_dir"
2881 # Look for libnosys.a in case the target needs it.
2882 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys'
2883 # Most targets have the linker script in the source directory.
2884 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$s/libgloss/'"$libgloss_dir"
2895 x86_64-*mingw* | *-w64-mingw*)
2896 # MinGW-w64 does not use newlib, nor does it use winsup. It may,
2897 # however, use a symlink named 'mingw' in ${prefix} .
2898 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L${prefix}/${target}/lib -L${prefix}/mingw/lib -isystem ${prefix}/${target}/include -isystem ${prefix}/mingw/include'
2901 # MinGW can't be handled as Cygwin above since it does not use newlib.
2902 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/mingw -L$$r/$(TARGET_SUBDIR)/winsup/w32api/lib -isystem $$s/winsup/mingw/include -isystem $$s/winsup/w32api/include'
2906 # Allow the user to override the flags for
2907 # our build compiler if desired.
2908 if test x"${build}" = x"${host}" ; then
2909 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
2910 CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}}
2911 LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}}
2914 # On Canadian crosses, we'll be searching the right directories for
2915 # the previously-installed cross compiler, so don't bother to add
2916 # flags for directories within the install tree of the compiler
2917 # being built; programs in there won't even run.
2918 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
2919 # Search for pre-installed headers if nothing else fits.
2920 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
2923 if test "x${use_gnu_ld}" = x &&
2924 echo " ${configdirs} " | grep " ld " > /dev/null ; then
2925 # Arrange for us to find uninstalled linker scripts.
2926 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld'
2929 # Search for other target-specific linker scripts and such.
2932 FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary"
2936 # Makefile fragments.
2937 for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
2939 eval fragval=\$$frag
2940 if test $fragval != /dev/null; then
2941 eval $frag=${srcdir}/$fragval
2944 AC_SUBST_FILE(host_makefile_frag)
2945 AC_SUBST_FILE(target_makefile_frag)
2946 AC_SUBST_FILE(alphaieee_frag)
2947 AC_SUBST_FILE(ospace_frag)
2949 # Miscellanea: directories, flags, etc.
2950 AC_SUBST(RPATH_ENVVAR)
2951 AC_SUBST(GCC_SHLIB_SUBDIR)
2953 AC_SUBST(build_tooldir)
2954 AC_SUBST(CONFIGURE_GDB_TK)
2956 AC_SUBST(INSTALL_GDB_TK)
2958 # Build module lists & subconfigure args.
2959 AC_SUBST(build_configargs)
2960 AC_SUBST(build_configdirs)
2962 # Host module lists & subconfigure args.
2963 AC_SUBST(host_configargs)
2964 AC_SUBST(configdirs)
2965 AC_SUBST(target_configdirs)
2967 # Target module lists & subconfigure args.
2968 AC_SUBST(target_configargs)
2972 AC_SUBST(AR_FOR_BUILD)
2973 AC_SUBST(AS_FOR_BUILD)
2974 AC_SUBST(CC_FOR_BUILD)
2975 AC_SUBST(CFLAGS_FOR_BUILD)
2976 AC_SUBST(CXXFLAGS_FOR_BUILD)
2977 AC_SUBST(CXX_FOR_BUILD)
2978 AC_SUBST(DLLTOOL_FOR_BUILD)
2979 AC_SUBST(GCJ_FOR_BUILD)
2980 AC_SUBST(GFORTRAN_FOR_BUILD)
2981 AC_SUBST(GOC_FOR_BUILD)
2982 AC_SUBST(LDFLAGS_FOR_BUILD)
2983 AC_SUBST(LD_FOR_BUILD)
2984 AC_SUBST(NM_FOR_BUILD)
2985 AC_SUBST(RANLIB_FOR_BUILD)
2986 AC_SUBST(WINDMC_FOR_BUILD)
2987 AC_SUBST(WINDRES_FOR_BUILD)
2989 # Generate default definitions for YACC, M4, LEX and other programs that run
2990 # on the build machine. These are used if the Makefile can't locate these
2991 # programs in objdir.
2992 MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
2994 AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
2995 case " $build_configdirs " in
2996 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;;
2999 AC_CHECK_PROGS([BISON], [bison], [$MISSING bison])
3000 case " $build_configdirs " in
3001 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;;
3004 AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4])
3005 case " $build_configdirs " in
3006 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;;
3009 AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex])
3010 case " $build_configdirs " in
3011 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3012 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;;
3015 AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex])
3016 case " $build_configdirs " in
3017 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3020 AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo])
3021 case " $build_configdirs " in
3022 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;;
3025 # For an installed makeinfo, we require it to be from texinfo 4.7 or
3026 # higher, else we use the "missing" dummy.
3027 if ${MAKEINFO} --version \
3028 | egrep 'texinfo[^0-9]*(4\.([7-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then
3031 MAKEINFO="$MISSING makeinfo"
3037 # FIXME: expect and dejagnu may become build tools?
3039 AC_CHECK_PROGS(EXPECT, expect, expect)
3040 case " $configdirs " in
3042 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect'
3046 AC_CHECK_PROGS(RUNTEST, runtest, runtest)
3047 case " $configdirs " in
3049 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest'
3055 NCN_STRICT_CHECK_TOOLS(AR, ar)
3056 NCN_STRICT_CHECK_TOOLS(AS, as)
3057 NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool)
3058 NCN_STRICT_CHECK_TOOLS(LD, ld)
3059 NCN_STRICT_CHECK_TOOLS(LIPO, lipo)
3060 NCN_STRICT_CHECK_TOOLS(NM, nm)
3061 NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, true)
3062 NCN_STRICT_CHECK_TOOLS(STRIP, strip, true)
3063 NCN_STRICT_CHECK_TOOLS(WINDRES, windres)
3064 NCN_STRICT_CHECK_TOOLS(WINDMC, windmc)
3065 NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy)
3066 NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump)
3067 NCN_STRICT_CHECK_TOOLS(READELF, readelf)
3074 AC_ARG_WITH([build-time-tools],
3075 [AS_HELP_STRING([--with-build-time-tools=PATH],
3076 [use given path to find target tools during the build])],
3077 [case x"$withval" in
3080 with_build_time_tools=
3081 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path])
3084 [with_build_time_tools=])
3086 NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc)
3087 NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx)
3088 NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET})
3089 NCN_STRICT_CHECK_TARGET_TOOLS(GCJ_FOR_TARGET, gcj)
3090 NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran)
3091 NCN_STRICT_CHECK_TARGET_TOOLS(GOC_FOR_TARGET, gccgo)
3093 ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar)
3094 ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as)
3095 ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
3096 ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld)
3097 ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo)
3098 ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm)
3099 ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump)
3100 ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib)
3101 ACX_CHECK_INSTALLED_TARGET_TOOL(READELF_FOR_TARGET, readelf)
3102 ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip)
3103 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
3104 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc)
3106 RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET"
3108 GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar])
3109 GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new])
3110 GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3111 dnl see comments for CXX_FOR_TARGET_FLAG_TO_PASS
3112 GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX,
3113 [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$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs],
3115 GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX,
3116 [gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs],
3118 GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool])
3119 GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3120 GCC_TARGET_TOOL(gcj, GCJ_FOR_TARGET, GCJ,
3121 [gcc/gcj -B$$r/$(HOST_SUBDIR)/gcc/], java)
3122 GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN,
3123 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran)
3124 GCC_TARGET_TOOL(gccgo, GOC_FOR_TARGET, GOC,
3125 [gcc/gccgo -B$$r/$(HOST_SUBDIR)/gcc/], go)
3126 GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new])
3127 GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO)
3128 GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new])
3129 GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump])
3130 GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib])
3131 GCC_TARGET_TOOL(readelf, READELF_FOR_TARGET, READELF, [binutils/readelf])
3132 GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip-new])
3133 GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres])
3134 GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc])
3136 AC_SUBST(FLAGS_FOR_TARGET)
3137 AC_SUBST(RAW_CXX_FOR_TARGET)
3139 # Certain tools may need extra flags.
3140 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
3141 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
3142 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
3144 # When building target libraries, except in a Canadian cross, we use
3145 # the same toolchain as the compiler we just built.
3146 COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)'
3147 COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)'
3148 COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)'
3149 if test $host = $build; then
3150 case " $configdirs " in
3152 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as'
3153 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld'
3154 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target}
3159 AC_SUBST(COMPILER_AS_FOR_TARGET)
3160 AC_SUBST(COMPILER_LD_FOR_TARGET)
3161 AC_SUBST(COMPILER_NM_FOR_TARGET)
3163 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
3164 AC_ARG_ENABLE(maintainer-mode,
3165 [AS_HELP_STRING([--enable-maintainer-mode],
3166 [enable make rules and dependencies not useful
3167 (and sometimes confusing) to the casual installer])],
3168 USE_MAINTAINER_MODE=$enableval,
3169 USE_MAINTAINER_MODE=no)
3170 AC_MSG_RESULT($USE_MAINTAINER_MODE)
3171 AC_SUBST(MAINTAINER_MODE_TRUE)
3172 AC_SUBST(MAINTAINER_MODE_FALSE)
3173 if test "$USE_MAINTAINER_MODE" = yes; then
3174 MAINTAINER_MODE_TRUE=
3175 MAINTAINER_MODE_FALSE='#'
3177 MAINTAINER_MODE_TRUE='#'
3178 MAINTAINER_MODE_FALSE=
3180 MAINT=$MAINTAINER_MODE_TRUE
3183 # ---------------------
3184 # GCC bootstrap support
3185 # ---------------------
3187 # Stage specific cflags for build.
3192 yes) stage1_cflags="-g -Wa,-J" ;;
3193 *) stage1_cflags="-g -J" ;;
3197 # This is aimed to mimic bootstrap with a non-GCC compiler to catch problems.
3198 if test "$GCC" = yes -a "$ENABLE_BUILD_WITH_CXX" != yes; then
3199 saved_CFLAGS="$CFLAGS"
3201 # Pass -fkeep-inline-functions for stage 1 if the GCC version supports it.
3202 CFLAGS="$CFLAGS -fkeep-inline-functions"
3203 AC_MSG_CHECKING([whether -fkeep-inline-functions is supported])
3205 #if (__GNUC__ < 3) \
3206 || (__GNUC__ == 3 && (__GNUC_MINOR__ < 3 \
3207 || (__GNUC_MINOR__ == 3 && __GNUC_PATCHLEVEL__ < 1)))
3208 #error http://gcc.gnu.org/PR29382
3211 [AC_MSG_RESULT([yes]); stage1_cflags="$stage1_cflags -fkeep-inline-functions"],
3212 [AC_MSG_RESULT([no])])
3214 CFLAGS="$saved_CFLAGS"
3217 AC_SUBST(stage1_cflags)
3219 # Enable --enable-checking in stage1 of the compiler.
3220 AC_ARG_ENABLE(stage1-checking,
3221 [AS_HELP_STRING([[--enable-stage1-checking[=all]]],
3222 [choose additional checking for stage1 of the compiler])],
3223 [stage1_checking=--enable-checking=${enable_stage1_checking}],
3224 [if test "x$enable_checking" = xno || test "x$enable_checking" = x; then
3225 stage1_checking=--enable-checking=yes,types
3227 stage1_checking=--enable-checking=$enable_checking,types
3229 AC_SUBST(stage1_checking)
3231 # Enable -Werror in bootstrap stage2 and later.
3232 AC_ARG_ENABLE(werror,
3233 [AS_HELP_STRING([--enable-werror],
3234 [enable -Werror in bootstrap stage2 and later])], [],
3235 [if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then
3240 case ${enable_werror} in
3241 yes) stage2_werror_flag="--enable-werror-always" ;;
3242 *) stage2_werror_flag="" ;;
3244 AC_SUBST(stage2_werror_flag)
3246 # If using ENABLE_BUILD_POSTSTAGE1_WITH_CXX, pass
3247 # --enable-build-with-cxx after stage1.
3248 if test "$ENABLE_BUILD_POSTSTAGE1_WITH_CXX" = "yes"; then
3249 POSTSTAGE1_CONFIGURE_FLAGS=--enable-build-with-cxx
3251 POSTSTAGE1_CONFIGURE_FLAGS=
3253 AC_SUBST(POSTSTAGE1_CONFIGURE_FLAGS)
3255 # Specify what files to not compare during bootstrap.
3257 compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*"
3259 hppa*64*-*-hpux*) ;;
3260 hppa*-*-hpux*) compare_exclusions="gcc/cc*-checksum\$(objext) | */libgcc/lib2funcs* | gcc/ada/*tools/*" ;;
3262 case " $configdirs " in
3263 *" ppl "*) compare_exclusions="$compare_exclusions | ppl/src/ppl-config.o" ;;
3265 AC_SUBST(compare_exclusions)
3267 AC_CONFIG_FILES([Makefile],
3268 [sed "$extrasub_build" Makefile |
3269 sed "$extrasub_host" |
3270 sed "$extrasub_target" > mf$$
3271 mv -f mf$$ Makefile],
3272 [extrasub_build="$extrasub_build"
3273 extrasub_host="$extrasub_host"
3274 extrasub_target="$extrasub_target"])