1 # Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
2 # 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
3 # Free Software Foundation, Inc.
5 # This file is free software; you can redistribute it and/or modify it
6 # under the terms of the GNU General Public License as published by
7 # the Free Software Foundation; either version 3 of the License, or
8 # (at your option) any later version.
10 # This program is distributed in the hope that it will be useful, but
11 # WITHOUT ANY WARRANTY; without even the implied warranty of
12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 # General Public License for more details.
15 # You should have received a copy of the GNU General Public License
16 # along with this program; see the file COPYING3. If not see
17 # <http://www.gnu.org/licenses/>.
19 ##############################################################################
20 ### WARNING: this file contains embedded tabs. Do not run untabify on this file.
22 m4_include(config/acx.m4)
23 m4_include(config/override.m4)
24 m4_include(config/proginstall.m4)
25 m4_include(config/elf.m4)
26 m4_include([libtool.m4])
27 m4_include([ltoptions.m4])
28 m4_include([ltsugar.m4])
29 m4_include([ltversion.m4])
30 m4_include([lt~obsolete.m4])
31 m4_include([config/cloog.m4])
33 AC_INIT(move-if-change)
35 AC_DISABLE_OPTION_CHECKING
38 # if PWD already has a value, it is probably wrong.
39 if test -n "$PWD" ; then PWD=`${PWDCMD-pwd}`; fi
41 # Export original configure arguments for use by sub-configures.
42 # Quote arguments with shell meta charatcers.
43 TOPLEVEL_CONFIGURE_ARGUMENTS=
44 set -- "$progname" "$@"
48 *" "*|*" "*|*[[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?\']]*)
49 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"`
50 # if the argument is of the form -foo=baz, quote the baz part only
51 ac_arg=`echo "'$ac_arg'" | sed "s/^'\([[-a-zA-Z0-9]]*=\)/\\1'/"` ;;
54 # Add the quoted argument to the list.
55 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS $ac_arg"
57 if test "$silent" = yes; then
58 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS --silent"
60 # Remove the initial space we just introduced and, as these will be
61 # expanded by make, quote '$'.
62 TOPLEVEL_CONFIGURE_ARGUMENTS=`echo "x$TOPLEVEL_CONFIGURE_ARGUMENTS" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
63 AC_SUBST(TOPLEVEL_CONFIGURE_ARGUMENTS)
65 # Find the build, host, and target systems.
66 ACX_NONCANONICAL_BUILD
68 ACX_NONCANONICAL_TARGET
70 dnl Autoconf 2.5x and later will set a default program prefix if
71 dnl --target was used, even if it was the same as --host. Disable
72 dnl that behavior. This must be done before AC_CANONICAL_SYSTEM
74 test "$host_noncanonical" = "$target_noncanonical" &&
75 test "$program_prefix$program_suffix$program_transform_name" = \
77 program_transform_name=s,y,y,
82 m4_pattern_allow([^AS_FOR_TARGET$])dnl
83 m4_pattern_allow([^AS_FOR_BUILD$])dnl
85 # Get 'install' or 'install-sh' and its variants.
92 srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}`
94 # We pass INSTALL explicitly to sub-makes. Make sure that it is not
96 if test "$INSTALL" = "${srcdir}/install-sh -c"; then
97 INSTALL="${srcpwd}/install-sh -c"
100 # Set srcdir to "." if that's what it is.
101 # This is important for multilib support.
103 if test "${pwd}" = "${srcpwd}" ; then
111 ### To add a new directory to the tree, first choose whether it is a target
112 ### or a host dependent tool. Then put it into the appropriate list
113 ### (library or tools, host or target), doing a dependency sort.
115 # Subdirs will be configured in the order listed in build_configdirs,
116 # configdirs, or target_configdirs; see the serialization section below.
118 # Dependency sorting is only needed when *configuration* must be done in
119 # a particular order. In all cases a dependency should be specified in
120 # the Makefile, whether or not it's implicitly specified here.
122 # Double entries in build_configdirs, configdirs, or target_configdirs may
123 # cause circular dependencies and break everything horribly.
125 # these library is used by various programs built for the build
128 build_libs="build-libiberty"
130 # these tools are built for the build environment
131 build_tools="build-texinfo build-flex build-bison build-m4 build-fixincludes"
133 # these libraries are used by various programs built for the host environment
135 host_libs="intl libiberty opcodes bfd readline tcl tk itcl libgui zlib libcpp libdecnumber gmp mpfr mpc ppl cloog libelf libiconv"
137 # these tools are built for the host environment
138 # Note, the powerpc-eabi build depends on sim occurring before gdb in order to
139 # know that we are building the simulator.
140 # binutils, gas and ld appear in that order because it makes sense to run
141 # "make check" in that particular order.
142 # If --enable-gold is used, "gold" may replace "ld".
143 host_tools="texinfo flex bison binutils gas ld fixincludes gcc cgen sid sim gdb gprof etc expect dejagnu m4 utils guile fastjar gnattools"
145 # libgcj represents the runtime libraries only used by gcj.
146 libgcj="target-libffi \
150 # these libraries are built for the target environment, and are built after
151 # the host libraries and the host tools (which may be a cross compiler)
152 # Note that libiberty is not a target library.
153 target_libraries="target-libgcc \
157 target-libstdc++-v3 \
168 # these tools are built using the target libraries, and are intended to
169 # run only in the target environment
171 # note: any program that *uses* libraries that are in the "target_libraries"
172 # list belongs in this list.
174 target_tools="target-rda"
176 ################################################################################
178 ## All tools belong in one of the four categories, and are assigned above
179 ## We assign ${configdirs} this way to remove all embedded newlines. This
180 ## is important because configure will choke if they ever get through.
181 ## ${configdirs} is directories we build using the host tools.
182 ## ${target_configdirs} is directories we build using the target tools.
183 configdirs=`echo ${host_libs} ${host_tools}`
184 target_configdirs=`echo ${target_libraries} ${target_tools}`
185 build_configdirs=`echo ${build_libs} ${build_tools}`
187 m4_divert_text([PARSE_ARGS],
190 m4_pushdef([AS_MESSAGE_LOG_FD], [])dnl
191 AC_MSG_ERROR([path to source, $srcdir, contains spaces])
192 m4_popdef([AS_MESSAGE_LOG_FD])dnl
195 ac_subdirs_all=`cd $srcdir && echo */configure | sed 's,/configure,,g'`
198 ################################################################################
200 srcname="gnu development package"
202 # This gets set non-empty for some net releases of packages.
205 # Define is_cross_compiler to save on calls to 'test'.
207 if test x"${host}" = x"${target}" ; then
210 is_cross_compiler=yes
213 # Find the build and target subdir names.
215 # Be sure to cover against remnants of an in-tree build.
216 if test $srcdir != . && test -d $srcdir/host-${host_noncanonical}; then
217 AC_MSG_ERROR([building out of tree but $srcdir contains host-${host_noncanonical}.
218 Use a pristine source tree when building in a separate tree])
221 # Skipdirs are removed silently.
223 # Noconfigdirs are removed loudly.
227 # Make sure we don't let GNU ld be added if we didn't want it.
228 if test x$with_gnu_ld = xno ; then
230 noconfigdirs="$noconfigdirs ld gold"
234 # Make sure we don't let GNU as be added if we didn't want it.
235 if test x$with_gnu_as = xno ; then
237 noconfigdirs="$noconfigdirs gas"
241 # Make sure we don't let ZLIB be added if we didn't want it.
242 if test x$with_system_zlib = xyes ; then
244 noconfigdirs="$noconfigdirs zlib"
247 # some tools are so dependent upon X11 that if we're not building with X,
248 # it's not even worth trying to configure, much less build, that tool.
251 yes | "") ;; # the default value for this tree is that X11 is available
253 skipdirs="${skipdirs} tk itcl libgui"
254 # We won't be able to build gdbtk without X.
257 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
260 # Some are only suitable for cross toolchains.
261 # Remove these if host=target.
262 cross_only="target-libgloss target-newlib target-opcodes"
264 case $is_cross_compiler in
265 no) skipdirs="${skipdirs} ${cross_only}" ;;
268 # If both --with-headers and --with-libs are specified, default to
270 if test x"${with_headers}" != x && test x"${with_headers}" != xno \
271 && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
272 if test x"${with_newlib}" = x ; then
277 # Recognize --with-newlib/--without-newlib.
278 case ${with_newlib} in
279 no) skipdirs="${skipdirs} target-newlib" ;;
280 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
283 # Handle --enable-gold, --enable-ld.
284 # --disable-gold [--enable-ld]
285 # Build only ld. Default option.
286 # --enable-gold [--enable-ld]
287 # Build both gold and ld. Install gold as "ld.gold", install ld
288 # as "ld.bfd" and "ld".
289 # --enable-gold=default [--enable-ld]
290 # Build both gold and ld. Install gold as "ld.gold" and "ld",
291 # install ld as "ld.bfd".
292 # --enable-gold[=default] --disable-ld
293 # Build only gold, which is then installed as both "ld.gold" and "ld".
294 # --enable-gold --enable-ld=default
295 # Build both gold (installed as "ld.gold") and ld (installed as "ld"
297 # In other words, ld is default
298 # --enable-gold=default --enable-ld=default
303 [AS_HELP_STRING([[--enable-gold[=ARG]]],
304 [build gold @<:@ARG={default,yes,no}@:>@])],
305 ENABLE_GOLD=$enableval,
307 case "${ENABLE_GOLD}" in
309 # Check for ELF target.
312 *-*-elf* | *-*-sysv4* | *-*-unixware* | *-*-eabi* | hppa*64*-*-hpux* \
313 | *-*-linux* | frv-*-uclinux* | *-*-irix5* | *-*-irix6* \
314 | *-*-netbsd* | *-*-openbsd* | *-*-freebsd* | *-*-dragonfly* \
315 | *-*-solaris2* | *-*-nto*)
317 *-*-linux*aout* | *-*-linux*oldld*)
325 if test "$is_elf" = "yes"; then
326 # Check for target supported by gold.
328 i?86-*-* | x86_64-*-* | sparc*-*-* | powerpc*-*-* | arm*-*-*)
329 configdirs="$configdirs gold"
330 if test x${ENABLE_GOLD} = xdefault; then
341 AC_MSG_ERROR([invalid --enable-gold argument])
346 [AS_HELP_STRING([[--enable-ld[=ARG]]],
347 [build ld @<:@ARG={default,yes,no}@:>@])],
348 ENABLE_LD=$enableval,
351 case "${ENABLE_LD}" in
353 if test x${default_ld} != x; then
354 AC_MSG_ERROR([either gold or ld can be the default ld])
360 if test x${ENABLE_GOLD} != xyes; then
361 AC_MSG_WARN([neither ld nor gold are enabled])
363 configdirs=`echo " ${configdirs} " | sed -e 's/ ld / /'`
366 AC_MSG_ERROR([invalid --enable-ld argument])
370 # Configure extra directories which are host specific
374 configdirs="$configdirs libtermcap" ;;
377 # A target can indicate whether a language isn't supported for some reason.
378 # Only spaces may be used in this macro; not newlines or tabs.
379 unsupported_languages=
381 # Remove more programs from consideration, based on the host or
382 # target this usually means that a port of the program doesn't
386 i[[3456789]]86-*-msdosdjgpp*)
387 noconfigdirs="$noconfigdirs tcl tk itcl"
392 AC_ARG_ENABLE(libquadmath,
393 AS_HELP_STRING([--disable-libquadmath],
394 [do not build libquadmath directory]),
395 ENABLE_LIBQUADMATH=$enableval,
396 ENABLE_LIBQUADMATH=yes)
397 if test "${ENABLE_LIBQUADMATH}" = "no" ; then
398 noconfigdirs="$noconfigdirs target-libquadmath"
402 AC_ARG_ENABLE(libquadmath-support,
403 AS_HELP_STRING([--disable-libquadmath-support],
404 [disable libquadmath support for Fortran]),
405 ENABLE_LIBQUADMATH_SUPPORT=$enableval,
406 ENABLE_LIBQUADMATH_SUPPORT=yes)
407 enable_libquadmath_support=
408 if test "${ENABLE_LIBQUADMATH_SUPPORT}" = "no" ; then
409 enable_libquadmath_support=no
413 AC_ARG_ENABLE(libada,
414 [AS_HELP_STRING([--enable-libada], [build libada directory])],
415 ENABLE_LIBADA=$enableval,
417 if test "${ENABLE_LIBADA}" != "yes" ; then
418 noconfigdirs="$noconfigdirs gnattools"
421 AC_ARG_ENABLE(libssp,
422 [AS_HELP_STRING([--enable-libssp], [build libssp directory])],
423 ENABLE_LIBSSP=$enableval,
426 # Save it here so that, even in case of --enable-libgcj, if the Java
427 # front-end isn't enabled, we still get libgcj disabled.
429 case $enable_libgcj in
431 # If we reset it here, it won't get added to noconfigdirs in the
432 # target-specific build rules, so it will be forcibly enabled
433 # (unless the Java language itself isn't enabled).
437 # Make sure we get it printed in the list of not supported target libs.
438 # Don't disable libffi, though, other languages use it.
439 noconfigdirs="$noconfigdirs `echo ${libgcj} | sed -e 's/target-libffi//'`"
440 # Clear libgcj_saved so that even if java is enabled libffi won't be
447 # Disable libmudflap on some systems.
448 if test x$enable_libmudflap = x ; then
450 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | bfin*-*-uclinux* | *-*-kopensolaris*-gnu)
451 # Enable libmudflap by default in GNU and friends.
454 # Enable libmudflap by default in FreeBSD.
457 # Disable it by default everywhere else.
458 noconfigdirs="$noconfigdirs target-libmudflap"
463 # Disable libgomp on non POSIX hosted systems.
464 if test x$enable_libgomp = x ; then
465 # Enable libgomp by default on hosted POSIX systems.
467 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
469 *-*-netbsd* | *-*-freebsd* | *-*-openbsd* | *-*-dragonfly*)
471 *-*-solaris2* | *-*-irix6* | *-*-osf* | *-*-hpux11*)
473 *-*-darwin* | *-*-aix*)
476 noconfigdirs="$noconfigdirs target-libgomp"
481 # Disable libssp for some systems.
484 # No hosted I/O support.
485 noconfigdirs="$noconfigdirs target-libssp"
487 powerpc-*-aix* | rs6000-*-aix*)
488 noconfigdirs="$noconfigdirs target-libssp"
492 # Disable libstdc++-v3 for some systems.
495 # VxWorks uses the Dinkumware C++ library.
496 noconfigdirs="$noconfigdirs target-libstdc++-v3"
499 # the C++ libraries don't build on top of CE's C libraries
500 noconfigdirs="$noconfigdirs target-libstdc++-v3"
503 noconfigdirs="$noconfigdirs target-libstdc++-v3"
507 # Disable Fortran for some systems.
510 # See <http://gcc.gnu.org/ml/gcc-patches/2004-11/msg00572.html>.
511 unsupported_languages="$unsupported_languages fortran"
515 # Disable Java if libffi is not supported.
537 mips-sgi-irix6.* | mips*-*-rtems*)
545 powerpc-*-aix* | rs6000-*-aix*)
549 powerpc64-*-freebsd*)
553 s390-*-* | s390x-*-*)
555 sh-*-* | sh[[34]]*-*-*)
564 unsupported_languages="$unsupported_languages java"
568 # Disable Java, libgcj or related libraries for some systems.
572 i[[3456789]]86-*-darwin*)
574 x86_64-*-darwin[[912]]*)
577 noconfigdirs="$noconfigdirs ${libgcj}"
580 noconfigdirs="$noconfigdirs ${libgcj}"
583 noconfigdirs="$noconfigdirs ${libgcj}"
586 noconfigdirs="$noconfigdirs ${libgcj}"
589 noconfigdirs="$noconfigdirs ${libgcj}"
592 noconfigdirs="$noconfigdirs ${libgcj}"
595 noconfigdirs="$noconfigdirs ${libgcj}"
598 noconfigdirs="$noconfigdirs ${libgcj}"
601 noconfigdirs="$noconfigdirs ${libgcj}"
604 noconfigdirs="$noconfigdirs target-boehm-gc"
606 cris-*-* | crisv32-*-*)
607 unsupported_languages="$unsupported_languages java"
611 *) # See PR46792 regarding target-libffi.
612 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";;
616 # In this case, it's because the hppa64-linux target is for
617 # the kernel only at this point and has no libc, and thus no
618 # headers, crt*.o, etc., all of which are needed by these.
619 unsupported_languages="$unsupported_languages java"
622 noconfigdirs="$noconfigdirs ${libgcj}"
627 # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
628 # build on HP-UX 10.20.
629 noconfigdirs="$noconfigdirs ${libgcj}"
632 noconfigdirs="$noconfigdirs ${libgcj}"
634 i[[3456789]]86-w64-mingw*)
635 noconfigdirs="$noconfigdirs ${libgcj}"
637 i[[3456789]]86-*-mingw*)
638 noconfigdirs="$noconfigdirs ${libgcj}"
641 noconfigdirs="$noconfigdirs ${libgcj}"
644 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc"
647 # copied from rs6000-*-* entry
648 noconfigdirs="$noconfigdirs ${libgcj}"
651 noconfigdirs="$noconfigdirs ${libgcj}"
654 # Linking libjava exceeds command-line length limits on at least
655 # IRIX 6.2, but not on IRIX 6.5.
656 # Also, boehm-gc won't build on IRIX 6.5, according to Jeffrey Oldham
657 # <oldham@codesourcery.com>
658 noconfigdirs="$noconfigdirs ${libgcj}"
661 noconfigdirs="$noconfigdirs ${libgcj}"
665 # Default libgloss CPU subdirectory.
666 libgloss_dir="$target_cpu"
669 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
675 cris-*-* | crisv32-*-*)
684 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
701 # Disable newlib and libgloss for various target OSes.
704 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
706 i[[3456789]]86-*-linux*)
707 # This section makes it possible to build newlib natively on linux.
708 # If we are using a cross compiler then don't configure newlib.
709 if test x${is_cross_compiler} != xno ; then
710 noconfigdirs="$noconfigdirs target-newlib"
712 noconfigdirs="$noconfigdirs target-libgloss"
713 # If we are not using a cross compiler, do configure newlib.
714 # Note however, that newlib will only be configured in this situation
715 # if the --with-newlib option has been given, because otherwise
716 # 'target-newlib' will appear in skipdirs.
718 i[[3456789]]86-*-rdos*)
719 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
721 sh*-*-pe|mips*-*-pe|arm-wince-pe)
722 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
725 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
728 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
731 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
734 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
737 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
740 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
742 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
743 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
746 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
749 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
752 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
755 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
758 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
761 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
764 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
772 noconfigdirs="$noconfigdirs ld gas gdb gprof"
773 noconfigdirs="$noconfigdirs sim target-rda"
775 i[[3456789]]86-*-darwin*)
776 noconfigdirs="$noconfigdirs ld gprof"
777 noconfigdirs="$noconfigdirs sim target-rda"
779 x86_64-*-darwin[[912]]*)
780 noconfigdirs="$noconfigdirs ld gas gprof"
781 noconfigdirs="$noconfigdirs sim target-rda"
784 noconfigdirs="$noconfigdirs ld gas gdb gprof"
785 noconfigdirs="$noconfigdirs sim target-rda"
790 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
791 && test -f /usr/local/include/gmp.h; then
796 # Remove unsupported stuff on all kaOS configurations.
797 noconfigdirs="$noconfigdirs target-libgloss"
804 noconfigdirs="$noconfigdirs target-libgloss"
806 # The tpf target doesn't support gdb yet.
808 noconfigdirs="$noconfigdirs gdb tcl tk libgui itcl"
811 noconfigdirs="$noconfigdirs target-rda"
816 # ld works, but does not support shared libraries.
817 # gas doesn't generate exception information.
818 noconfigdirs="$noconfigdirs gas ld"
821 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
824 # newlib is not 64 bit ready
825 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
827 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
828 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
831 noconfigdirs="$noconfigdirs target-libgloss"
834 noconfigdirs="$noconfigdirs target-libgloss"
837 noconfigdirs="$noconfigdirs ld target-libgloss"
840 noconfigdirs="$noconfigdirs target-libgloss"
843 noconfigdirs="$noconfigdirs target-libgloss gdb"
846 noconfigdirs="$noconfigdirs gdb"
849 noconfigdirs="$noconfigdirs target-libgloss"
852 noconfigdirs="$noconfigdirs gdb"
855 noconfigdirs="$noconfigdirs gdb"
858 noconfigdirs="$noconfigdirs gprof"
861 noconfigdirs="$noconfigdirs target-libgloss"
864 noconfigdirs="$noconfigdirs target-libgloss"
866 hppa1.1-*-osf* | hppa1.1-*-bsd* )
878 noconfigdirs="$noconfigdirs ld"
883 noconfigdirs="$noconfigdirs ld"
886 noconfigdirs="$noconfigdirs gdb"
889 # No gdb support yet.
890 noconfigdirs="$noconfigdirs readline libgui itcl gdb"
894 noconfigdirs="$noconfigdirs libgui itcl ld"
897 # No gdb or ld support yet.
898 noconfigdirs="$noconfigdirs readline libgui itcl gdb ld"
900 i[[3456789]]86-w64-mingw*)
902 i[[3456789]]86-*-mingw*)
903 target_configdirs="$target_configdirs target-winsup"
906 target_configdirs="$target_configdirs target-libtermcap target-winsup"
907 noconfigdirs="$noconfigdirs target-libgloss"
908 # always build newlib if winsup directory is present.
909 if test -d "$srcdir/winsup/cygwin"; then
910 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
911 elif test -d "$srcdir/newlib"; then
912 echo "Warning: winsup/cygwin is missing so newlib can't be built."
916 noconfigdirs="$noconfigdirs target-libgloss"
918 i[[3456789]]86-*-sco3.2v5*)
919 # The linker does not yet know about weak symbols in COFF,
920 # and is not configured to handle mixed ELF and COFF.
921 noconfigdirs="$noconfigdirs ld target-libgloss"
923 i[[3456789]]86-*-sco*)
924 noconfigdirs="$noconfigdirs gprof target-libgloss"
926 i[[3456789]]86-*-solaris2* | x86_64-*-solaris2.1[[0-9]]*)
927 noconfigdirs="$noconfigdirs target-libgloss"
929 i[[3456789]]86-*-sysv4*)
930 noconfigdirs="$noconfigdirs target-libgloss"
932 i[[3456789]]86-*-beos*)
933 noconfigdirs="$noconfigdirs gdb"
935 i[[3456789]]86-*-rdos*)
936 noconfigdirs="$noconfigdirs gdb"
939 noconfigdirs="$noconfigdirs gdb"
942 noconfigdirs="$noconfigdirs sim"
945 # copied from rs6000-*-* entry
946 noconfigdirs="$noconfigdirs gprof"
948 powerpc*-*-winnt* | powerpc*-*-pe*)
949 target_configdirs="$target_configdirs target-winsup"
950 noconfigdirs="$noconfigdirs gdb tcl tk target-libgloss itcl"
951 # always build newlib.
952 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
954 # This is temporary until we can link against shared libraries
955 powerpcle-*-solaris*)
956 noconfigdirs="$noconfigdirs gdb sim tcl tk itcl"
959 noconfigdirs="$noconfigdirs gdb"
962 noconfigdirs="$noconfigdirs gprof"
965 noconfigdirs="$noconfigdirs gprof"
968 noconfigdirs="$noconfigdirs gprof"
971 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss"
974 noconfigdirs="$noconfigdirs gprof"
977 if test x$with_newlib = xyes; then
978 noconfigdirs="$noconfigdirs gprof"
982 noconfigdirs="$noconfigdirs gprof target-libgloss"
985 noconfigdirs="$noconfigdirs gprof target-libgloss"
988 noconfigdirs="$noconfigdirs gprof target-libgloss"
993 noconfigdirs="$noconfigdirs gprof"
1000 noconfigdirs="$noconfigdirs target-libgloss" ;;
1004 if test x${is_cross_compiler} = xno ; then
1009 noconfigdirs="$noconfigdirs gdb sim"
1011 tilepro-*-* | tilegx-*-*)
1012 noconfigdirs="$noconfigdirs sim"
1015 noconfigdirs="$noconfigdirs bfd binutils gas gdb ld opcodes target-libgloss"
1018 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1022 # If we aren't building newlib, then don't build libgloss, since libgloss
1023 # depends upon some newlib header files.
1024 case "${noconfigdirs}" in
1025 *target-libgloss*) ;;
1026 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
1029 # Work in distributions that contain no compiler tools, like Autoconf.
1030 host_makefile_frag=/dev/null
1031 if test -d ${srcdir}/config ; then
1033 i[[3456789]]86-*-msdosdjgpp*)
1034 host_makefile_frag="config/mh-djgpp"
1037 ACX_CHECK_CYGWIN_CAT_WORKS
1038 host_makefile_frag="config/mh-cygwin"
1041 host_makefile_frag="config/mh-mingw"
1044 host_makefile_frag="config/mh-interix"
1047 host_makefile_frag="config/mh-pa-hpux10"
1050 host_makefile_frag="config/mh-pa"
1053 host_makefile_frag="config/mh-pa"
1056 host_makefile_frag="config/mh-darwin"
1059 host_makefile_frag="config/mh-ppc-aix"
1062 host_makefile_frag="config/mh-ppc-aix"
1067 if test "${build}" != "${host}" ; then
1068 AR_FOR_BUILD=${AR_FOR_BUILD-ar}
1069 AS_FOR_BUILD=${AS_FOR_BUILD-as}
1070 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
1071 CXX_FOR_BUILD=${CXX_FOR_BUILD-g++}
1072 GCJ_FOR_BUILD=${GCJ_FOR_BUILD-gcj}
1073 GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran}
1074 GOC_FOR_BUILD=${GOC_FOR_BUILD-gccgo}
1075 DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool}
1076 LD_FOR_BUILD=${LD_FOR_BUILD-ld}
1077 NM_FOR_BUILD=${NM_FOR_BUILD-nm}
1078 RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib}
1079 WINDRES_FOR_BUILD=${WINDRES_FOR_BUILD-windres}
1080 WINDMC_FOR_BUILD=${WINDMC_FOR_BUILD-windmc}
1082 AR_FOR_BUILD="\$(AR)"
1083 AS_FOR_BUILD="\$(AS)"
1084 CC_FOR_BUILD="\$(CC)"
1085 CXX_FOR_BUILD="\$(CXX)"
1086 GCJ_FOR_BUILD="\$(GCJ)"
1087 GFORTRAN_FOR_BUILD="\$(GFORTRAN)"
1088 GOC_FOR_BUILD="\$(GOC)"
1089 DLLTOOL_FOR_BUILD="\$(DLLTOOL)"
1090 LD_FOR_BUILD="\$(LD)"
1091 NM_FOR_BUILD="\$(NM)"
1092 RANLIB_FOR_BUILD="\$(RANLIB)"
1093 WINDRES_FOR_BUILD="\$(WINDRES)"
1094 WINDMC_FOR_BUILD="\$(WINDMC)"
1100 # We must set the default linker to the linker used by gcc for the correct
1101 # operation of libtool. If LD is not defined and we are using gcc, try to
1102 # set the LD default to the ld used by gcc.
1103 if test -z "$LD"; then
1104 if test "$GCC" = yes; then
1107 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1109 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1111 case $gcc_prog_ld in
1112 # Accept absolute paths.
1113 [[\\/]* | [A-Za-z]:[\\/]*)]
1114 LD="$gcc_prog_ld" ;;
1120 ACX_PROG_CMP_IGNORE_INITIAL
1122 # See if we are building gcc with C++.
1123 AC_ARG_ENABLE(build-with-cxx,
1124 [AS_HELP_STRING([--enable-build-with-cxx],
1125 [build with C++ compiler instead of C compiler])],
1126 ENABLE_BUILD_WITH_CXX=$enableval,
1127 ENABLE_BUILD_WITH_CXX=no)
1129 # Used for setting $lt_cv_objdir
1132 # Check for GMP, MPFR and MPC
1133 gmplibs="-lmpc -lmpfr -lgmp"
1137 # Specify a location for mpc
1138 # check for this first so it ends up on the link line before mpfr.
1140 [AS_HELP_STRING([--with-mpc=PATH],
1141 [specify prefix directory for installed MPC package.
1142 Equivalent to --with-mpc-include=PATH/include
1143 plus --with-mpc-lib=PATH/lib])])
1144 AC_ARG_WITH(mpc-include,
1145 [AS_HELP_STRING([--with-mpc-include=PATH],
1146 [specify directory for installed MPC include files])])
1147 AC_ARG_WITH(mpc-lib,
1148 [AS_HELP_STRING([--with-mpc-lib=PATH],
1149 [specify directory for the installed MPC library])])
1151 if test "x$with_mpc" != x; then
1152 gmplibs="-L$with_mpc/lib $gmplibs"
1153 gmpinc="-I$with_mpc/include $gmpinc"
1155 if test "x$with_mpc_include" != x; then
1156 gmpinc="-I$with_mpc_include $gmpinc"
1158 if test "x$with_mpc_lib" != x; then
1159 gmplibs="-L$with_mpc_lib $gmplibs"
1161 if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then
1162 gmplibs='-L$$r/$(HOST_SUBDIR)/mpc/src/'"$lt_cv_objdir $gmplibs"
1163 gmpinc='-I$$s/mpc/src '"$gmpinc"
1164 # Do not test the mpc version. Assume that it is sufficient, since
1165 # it is in the source tree, and the library has not been built yet
1166 # but it would be included on the link line in the version check below
1167 # hence making the test fail.
1171 # Specify a location for mpfr
1172 # check for this first so it ends up on the link line before gmp.
1173 AC_ARG_WITH(mpfr-dir,
1174 [AS_HELP_STRING([--with-mpfr-dir=PATH], [this option has been REMOVED])],
1175 [AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed.
1176 Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH])])
1179 [AS_HELP_STRING([--with-mpfr=PATH],
1180 [specify prefix directory for installed MPFR package.
1181 Equivalent to --with-mpfr-include=PATH/include
1182 plus --with-mpfr-lib=PATH/lib])])
1183 AC_ARG_WITH(mpfr-include,
1184 [AS_HELP_STRING([--with-mpfr-include=PATH],
1185 [specify directory for installed MPFR include files])])
1186 AC_ARG_WITH(mpfr-lib,
1187 [AS_HELP_STRING([--with-mpfr-lib=PATH],
1188 [specify directory for the installed MPFR library])])
1190 if test "x$with_mpfr" != x; then
1191 gmplibs="-L$with_mpfr/lib $gmplibs"
1192 gmpinc="-I$with_mpfr/include $gmpinc"
1194 if test "x$with_mpfr_include" != x; then
1195 gmpinc="-I$with_mpfr_include $gmpinc"
1197 if test "x$with_mpfr_lib" != x; then
1198 gmplibs="-L$with_mpfr_lib $gmplibs"
1200 if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then
1201 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir $gmplibs"
1202 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr -I$$s/mpfr '"$gmpinc"
1203 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir"
1204 # Do not test the mpfr version. Assume that it is sufficient, since
1205 # it is in the source tree, and the library has not been built yet
1206 # but it would be included on the link line in the version check below
1207 # hence making the test fail.
1211 # Specify a location for gmp
1212 AC_ARG_WITH(gmp-dir,
1213 [AS_HELP_STRING([--with-gmp-dir=PATH], [this option has been REMOVED])],
1214 [AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed.
1215 Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH])])
1218 [AS_HELP_STRING([--with-gmp=PATH],
1219 [specify prefix directory for the installed GMP package.
1220 Equivalent to --with-gmp-include=PATH/include
1221 plus --with-gmp-lib=PATH/lib])])
1222 AC_ARG_WITH(gmp-include,
1223 [AS_HELP_STRING([--with-gmp-include=PATH],
1224 [specify directory for installed GMP include files])])
1225 AC_ARG_WITH(gmp-lib,
1226 [AS_HELP_STRING([--with-gmp-lib=PATH],
1227 [specify directory for the installed GMP library])])
1230 if test "x$with_gmp" != x; then
1231 gmplibs="-L$with_gmp/lib $gmplibs"
1232 gmpinc="-I$with_gmp/include $gmpinc"
1234 if test "x$with_gmp_include" != x; then
1235 gmpinc="-I$with_gmp_include $gmpinc"
1237 if test "x$with_gmp_lib" != x; then
1238 gmplibs="-L$with_gmp_lib $gmplibs"
1240 if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then
1241 gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir $gmplibs"
1242 gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc"
1243 extra_mpfr_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
1244 extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
1245 # Do not test the gmp version. Assume that it is sufficient, since
1246 # it is in the source tree, and the library has not been built yet
1247 # but it would be included on the link line in the version check below
1248 # hence making the test fail.
1252 if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then
1254 saved_CFLAGS="$CFLAGS"
1255 CFLAGS="$CFLAGS $gmpinc"
1256 # Check for the recommended and required versions of GMP.
1257 AC_MSG_CHECKING([for the correct version of gmp.h])
1258 AC_TRY_COMPILE([#include "gmp.h"],[
1259 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1260 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1261 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,0)
1264 ], [AC_TRY_COMPILE([#include <gmp.h>],[
1265 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1266 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1267 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,3,2)
1270 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1271 [AC_MSG_RESULT([no]); have_gmp=no])
1273 # If we have GMP, check the MPFR version.
1274 if test x"$have_gmp" = xyes; then
1275 # Check for the recommended and required versions of MPFR.
1276 AC_MSG_CHECKING([for the correct version of mpfr.h])
1277 AC_TRY_COMPILE([#include <gmp.h>
1278 #include <mpfr.h>],[
1279 #if MPFR_VERSION < MPFR_VERSION_NUM(2,3,1)
1282 ], [AC_TRY_COMPILE([#include <gmp.h>
1283 #include <mpfr.h>],[
1284 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,2)
1287 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1288 [AC_MSG_RESULT([no]); have_gmp=no])
1291 # Check for the MPC header version.
1292 if test x"$have_gmp" = xyes ; then
1293 # Check for the recommended and required versions of MPC.
1294 AC_MSG_CHECKING([for the correct version of mpc.h])
1295 AC_TRY_COMPILE([#include <mpc.h>],[
1296 #if MPC_VERSION < MPC_VERSION_NUM(0,8,0)
1299 ], [AC_TRY_COMPILE([#include <mpc.h>],[
1300 #if MPC_VERSION < MPC_VERSION_NUM(0,8,1)
1303 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1304 [AC_MSG_RESULT([no]); have_gmp=no])
1307 # Now check the MPFR library.
1308 if test x"$have_gmp" = xyes; then
1310 LIBS="$LIBS $gmplibs"
1311 AC_MSG_CHECKING([for the correct version of the gmp/mpfr/mpc libraries])
1312 AC_TRY_LINK([#include <mpc.h>],[
1319 mpfr_atan2 (n, n, x, GMP_RNDN);
1320 mpfr_erfc (n, x, GMP_RNDN);
1321 mpfr_subnormalize (x, t, GMP_RNDN);
1325 mpc_set_ui_ui (c, 1, 1, MPC_RNDNN);
1326 mpc_cosh (c, c, MPC_RNDNN);
1327 mpc_pow (c, c, c, MPC_RNDNN);
1328 mpc_acosh (c, c, MPC_RNDNN);
1330 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1334 CFLAGS="$saved_CFLAGS"
1336 # The library versions listed in the error message below should match
1337 # the HARD-minimums enforced above.
1338 if test x$have_gmp != xyes; then
1339 AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 2.3.1+ and MPC 0.8.0+.
1340 Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify
1341 their locations. Source code for these libraries can be found at
1342 their respective hosting sites as well as at
1343 ftp://gcc.gnu.org/pub/gcc/infrastructure/. See also
1344 http://gcc.gnu.org/install/prerequisites.html for additional info. If
1345 you obtained GMP, MPFR and/or MPC from a vendor distribution package,
1346 make sure that you have installed both the libraries and the header
1347 files. They may be located in separate packages.])
1351 # Flags needed for both GMP, MPFR and/or MPC.
1354 AC_SUBST(extra_mpfr_configure_flags)
1355 AC_SUBST(extra_mpc_gmp_configure_flags)
1356 AC_SUBST(extra_mpc_mpfr_configure_flags)
1358 # Allow host libstdc++ to be specified for static linking with PPL.
1359 AC_ARG_WITH(host-libstdcxx,
1360 [AS_HELP_STRING([--with-host-libstdcxx=L],
1361 [use linker arguments L to link with libstdc++
1362 when linking with PPL])])
1364 case $with_host_libstdcxx in
1366 AC_MSG_ERROR([-with-host-libstdcxx needs an argument])
1370 # Linker flags to use for stage1 or when not boostrapping.
1371 AC_ARG_WITH(stage1-ldflags,
1372 [AS_HELP_STRING([--with-stage1-ldflags=FLAGS], [linker flags for stage1])],
1373 [if test "$withval" = "no" -o "$withval" = "yes"; then
1376 stage1_ldflags=$withval
1379 AC_SUBST(stage1_ldflags)
1381 # Libraries to use for stage1 or when not bootstrapping.
1382 AC_ARG_WITH(stage1-libs,
1383 [AS_HELP_STRING([--with-stage1-libs=LIBS], [libraries for stage1])],
1384 [if test "$withval" = "no" -o "$withval" = "yes"; then
1387 stage1_libs=$withval
1389 [stage1_libs=$with_host_libstdcxx])
1390 AC_SUBST(stage1_libs)
1392 # Libraries to use for stage2 and later builds. This defaults to the
1393 # argument passed to --with-host-libstdcxx.
1394 AC_ARG_WITH(boot-libs,
1395 [AS_HELP_STRING([--with-boot-libs=LIBS], [libraries for stage2 and later])],
1396 [if test "$withval" = "no" -o "$withval" = "yes"; then
1399 poststage1_libs=$withval
1401 [poststage1_libs=$with_host_libstdcxx])
1402 AC_SUBST(poststage1_libs)
1404 # Linker flags to use for stage2 and later builds.
1405 AC_ARG_WITH(boot-ldflags,
1406 [AS_HELP_STRING([--with-boot-ldflags=FLAGS],
1407 [linker flags for stage2 and later])],
1408 [if test "$withval" = "no" -o "$withval" = "yes"; then
1411 poststage1_ldflags=$withval
1413 [poststage1_ldflags=
1414 # In stages 2 and 3, default to linking libstdc++ and libgcc
1415 # statically. But if the user explicitly specified the libraries to
1416 # use, trust that they are doing what they want.
1417 if test "$poststage1_libs" = ""; then
1418 poststage1_ldflags="-static-libstdc++ -static-libgcc"
1420 AC_SUBST(poststage1_ldflags)
1428 [AS_HELP_STRING([--with-ppl=PATH],
1429 [specify prefix directory for the installed PPL package.
1430 Equivalent to --with-ppl-include=PATH/include
1431 plus --with-ppl-lib=PATH/lib])])
1432 AC_ARG_WITH(ppl-include,
1433 [AS_HELP_STRING([--with-ppl-include=PATH],
1434 [specify directory for installed PPL include files])])
1435 AC_ARG_WITH(ppl-lib,
1436 [AS_HELP_STRING([--with-ppl-lib=PATH],
1437 [specify directory for the installed PPL library])])
1439 AC_ARG_ENABLE(ppl-version-check,
1440 [AS_HELP_STRING([--disable-ppl-version-check],
1441 [disable check for PPL version])])
1447 ppllibs="-L$with_ppl/lib"
1448 pplinc="-I$with_ppl/include $pplinc"
1449 if test -d "$with_ppl/lib" && test -d "$with_ppl/include"; then
1452 AC_MSG_ERROR([cannot find directories "$with_ppl/lib" or "$with_ppl/include"])
1457 if test x"$with_ppl_include" != x; then
1458 pplinc="-I$with_ppl_include $pplinc"
1462 if test "x$with_ppl_lib" != x; then
1463 ppllibs="-L$with_ppl_lib"
1467 if test x"$with_ppl$with_ppl_include$with_ppl_lib" = x && test -d ${srcdir}/ppl; then
1468 if test x"$enable_watchdog" = xyes; then
1471 ppllibs='-L$$r/$(HOST_SUBDIR)/ppl/interfaces/C/'"$lt_cv_objdir"' -L$$r/$(HOST_SUBDIR)/ppl/src/'"$lt_cv_objdir"
1472 pplinc='-I$$r/$(HOST_SUBDIR)/ppl/src -I$$r/$(HOST_SUBDIR)/ppl/interfaces/C '
1473 enable_ppl_version_check=no
1477 if test "x$with_ppl" != xno; then
1478 if test "x$pwllib" = x; then
1480 LIBS="$LIBS $ppllibs -lstdc++ -lm"
1481 AC_CHECK_LIB(pwl, PWL_handle_timeout, [pwllib="-lpwl"])
1485 ppllibs="$ppllibs -lppl_c -lppl $pwllib -lgmpxx"
1487 if test "$enable_ppl_version_check" != no; then
1488 saved_CFLAGS="$CFLAGS"
1489 CFLAGS="$CFLAGS $pplinc $gmpinc"
1490 AC_MSG_CHECKING([for version 0.11 (revision 0 or later) of PPL])
1491 AC_TRY_COMPILE([#include "ppl_c.h"],[
1492 #if PPL_VERSION_MAJOR != 0 || PPL_VERSION_MINOR < 11
1495 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); ppllibs= ; pplinc= ; with_ppl=no ])
1496 CFLAGS="$saved_CFLAGS"
1500 # Flags needed for PPL
1507 dnl Provide configure switches and initialize clooginc & clooglibs
1508 dnl with user input.
1510 if test "x$with_ppl" = "xno"; then
1511 dnl Only execute fail-action, if CLooG has been requested.
1512 CLOOG_REQUESTED([graphite_requested=yes], [graphite_requested=no])
1513 if test "${graphite_requested}" = yes; then
1514 AC_MSG_ERROR([Unable to find a usable PPL. See config.log for details.])
1518 if test "x${with_cloog}" = x && test "x${with_cloog_include}" = x \
1519 && test "x${with_cloog_lib}" = x && test -d ${srcdir}/cloog; then
1520 clooglibs='-L$$r/$(HOST_SUBDIR)/cloog/'"$lt_cv_objdir"' '
1521 clooginc='-I$$r/$(HOST_SUBDIR)/cloog/include -I$$s/cloog/include '
1523 if test "x$with_cloog" != "xno"; then
1524 dnl The minimal version of CLooG required for Graphite.
1526 dnl If we use CLooG-Legacy, the provided version information is
1528 CLOOG_CHECK_VERSION(0,16,1)
1530 dnl Only execute fail-action, if CLooG has been requested.
1532 AC_MSG_ERROR([Unable to find a usable CLooG. See config.log for details.])])
1535 # Check for LTO support.
1537 [AS_HELP_STRING([--enable-lto], [enable link time optimization support])],
1538 enable_lto=$enableval,
1539 enable_lto=yes; default_enable_lto=yes)
1541 ACX_ELF_TARGET_IFELSE([# ELF platforms build the lto-plugin always.
1542 build_lto_plugin=yes
1543 ],[if test x"$default_enable_lto" = x"yes" ; then
1545 *-apple-darwin9* | *-cygwin* | *-mingw*) ;;
1546 # On other non-ELF platforms, LTO has yet to be validated.
1550 # Apart from ELF platforms, only Windows and Darwin support LTO so far.
1551 # It would also be nice to check the binutils support, but we don't
1552 # have gcc_GAS_CHECK_FEATURE available here. For now, we'll just
1553 # warn during gcc/ subconfigure; unless you're bootstrapping with
1554 # -flto it won't be needed until after installation anyway.
1556 *-cygwin* | *-mingw* | *-apple-darwin*) ;;
1557 *) if test x"$enable_lto" = x"yes"; then
1558 AC_MSG_ERROR([LTO support is not enabled for this target.])
1563 # Among non-ELF, only Windows platforms support the lto-plugin so far.
1564 # Build it unless LTO was explicitly disabled.
1566 *-cygwin* | *-mingw*) build_lto_plugin=$enable_lto ;;
1572 # By default, C is the only stage 1 language.
1573 stage1_languages=,c,
1575 # Target libraries that we bootstrap.
1576 bootstrap_target_libs=,target-libgcc,
1578 # Figure out what language subdirectories are present.
1579 # Look if the user specified --enable-languages="..."; if not, use
1580 # the environment variable $LANGUAGES if defined. $LANGUAGES might
1582 # NB: embedded tabs in this IF block -- do not untabify
1583 if test -d ${srcdir}/gcc; then
1584 if test x"${enable_languages+set}" != xset; then
1585 if test x"${LANGUAGES+set}" = xset; then
1586 enable_languages="${LANGUAGES}"
1587 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1589 enable_languages=all
1592 if test x"${enable_languages}" = x ||
1593 test x"${enable_languages}" = xyes;
1595 echo configure.in: --enable-languages needs at least one language argument 1>&2
1599 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1601 # 'f95' is the old name for the 'fortran' language. We issue a warning
1602 # and make the substitution.
1603 case ,${enable_languages}, in
1605 echo configure.in: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2
1606 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'`
1610 # First scan to see if an enabled language requires some other language.
1611 # We assume that a given config-lang.in will list all the language
1612 # front ends it requires, even if some are required indirectly.
1613 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1614 case ${lang_frag} in
1616 # The odd quoting in the next line works around
1617 # an apparent bug in bash 1.12 on linux.
1618 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1620 # From the config-lang.in, get $language, $lang_requires, and
1621 # $lang_requires_boot_languages.
1624 lang_requires_boot_languages=
1626 for other in ${lang_requires} ${lang_requires_boot_languages}; do
1627 case ,${enable_languages}, in
1631 echo " \`$other' language required by \`$language'; enabling" 1>&2
1632 enable_languages="${enable_languages},${other}"
1636 for other in ${lang_requires_boot_languages} ; do
1637 if test "$other" != "c"; then
1638 case ,${enable_stage1_languages}, in
1642 case ,${enable_languages}, in
1644 echo " '$other' language required by '$language' in stage 1; enabling" 1>&2
1645 enable_stage1_languages="$enable_stage1_languages,${other}"
1656 new_enable_languages=,c,
1658 # If LTO is enabled, add the LTO front end.
1659 extra_host_libiberty_configure_flags=
1660 if test "$enable_lto" = "yes" ; then
1661 case ,${enable_languages}, in
1663 *) enable_languages="${enable_languages},lto" ;;
1665 if test "${build_lto_plugin}" = "yes" ; then
1666 configdirs="$configdirs lto-plugin"
1667 extra_host_libiberty_configure_flags=--enable-shared
1670 AC_SUBST(extra_host_libiberty_configure_flags)
1672 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
1673 potential_languages=,c,
1675 enabled_target_libs=
1676 disabled_target_libs=
1678 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1679 case ${lang_frag} in
1681 # The odd quoting in the next line works around
1682 # an apparent bug in bash 1.12 on linux.
1683 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1685 # From the config-lang.in, get $language, $target_libs,
1686 # $lang_dirs, $boot_language, and $build_by_default
1692 build_by_default=yes
1694 if test x${language} = x; then
1695 echo "${lang_frag} doesn't set \$language." 1>&2
1699 if test "$language" = "c++" \
1700 && test "$ENABLE_BUILD_WITH_CXX" = "yes"; then
1704 case ,${enable_languages}, in
1706 # Language was explicitly selected; include it.
1710 # 'all' was selected, select it if it is a default language
1711 add_this_lang=${build_by_default}
1718 # Disable languages that need other directories if these aren't available.
1719 for i in $subdir_requires; do
1720 test -f "$srcdir/gcc/$i/config-lang.in" && continue
1721 case ,${enable_languages}, in
1723 # Specifically requested language; tell them.
1724 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing])
1728 add_this_lang=unsupported
1733 # Disable Ada if no preexisting GNAT is available.
1734 case ,${enable_languages},:${language}:${have_gnat} in
1735 *,${language},*:ada:no)
1736 # Specifically requested language; tell them.
1737 AC_MSG_ERROR([GNAT is required to build $language])
1741 add_this_lang=unsupported
1745 # Disable a language that is unsupported by the target.
1746 case " $unsupported_languages " in
1748 add_this_lang=unsupported
1752 case $add_this_lang in
1754 # Remove language-dependent dirs.
1755 disabled_target_libs="$disabled_target_libs $target_libs"
1756 noconfigdirs="$noconfigdirs $lang_dirs"
1759 # Remove language-dependent dirs; still show language as supported.
1760 disabled_target_libs="$disabled_target_libs $target_libs"
1761 noconfigdirs="$noconfigdirs $lang_dirs"
1762 potential_languages="${potential_languages}${language},"
1765 new_enable_languages="${new_enable_languages}${language},"
1766 potential_languages="${potential_languages}${language},"
1767 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
1768 enabled_target_libs="$enabled_target_libs $target_libs"
1769 case "${boot_language}:,$enable_stage1_languages," in
1770 yes:* | *:*,$language,* | *:*,yes, | *:*,all,)
1771 # Add to (comma-separated) list of stage 1 languages.
1772 case ",$stage1_languages," in
1773 *,$language,* | ,yes, | ,all,) ;;
1774 *) stage1_languages="${stage1_languages}${language}," ;;
1776 # We need to bootstrap any supporting libraries.
1777 bootstrap_target_libs="${bootstrap_target_libs}${target_libs},"
1786 # Add target libraries which are only needed for disabled languages
1788 if test -n "$disabled_target_libs"; then
1789 for dir in $disabled_target_libs; do
1790 case " $enabled_target_libs " in
1792 *) noconfigdirs="$noconfigdirs $dir" ;;
1797 AC_ARG_ENABLE(stage1-languages,
1798 [AS_HELP_STRING([[--enable-stage1-languages[=all]]],
1799 [choose additional languages to build during
1800 stage1. Mostly useful for compiler development])],
1801 [case ,${enable_stage1_languages}, in
1803 # Set it to something that will have no effect in the loop below
1804 enable_stage1_languages=c ;;
1806 enable_stage1_languages=`echo $new_enable_languages | \
1807 sed -e "s/^,//" -e "s/,$//" ` ;;
1809 enable_stage1_languages=`echo ,$enable_stage1_languages, | \
1810 sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;;
1813 # Add "good" languages from enable_stage1_languages to stage1_languages,
1814 # while "bad" languages go in missing_languages. Leave no duplicates.
1815 for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do
1816 case $potential_languages in
1818 case $stage1_languages in
1820 *) stage1_languages="$stage1_languages$i," ;;
1823 case $missing_languages in
1825 *) missing_languages="$missing_languages$i," ;;
1830 # Remove leading/trailing commas that were added for simplicity
1831 potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"`
1832 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
1833 stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"`
1834 new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"`
1836 if test "x$missing_languages" != x; then
1838 The following requested languages could not be built: ${missing_languages}
1839 Supported languages are: ${potential_languages}])
1841 if test "x$new_enable_languages" != "x$enable_languages"; then
1842 echo The following languages will be built: ${new_enable_languages}
1843 enable_languages="$new_enable_languages"
1846 AC_SUBST(stage1_languages)
1847 ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" `
1850 # Handle --disable-<component> generically.
1851 for dir in $configdirs $build_configdirs $target_configdirs ; do
1852 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g`
1853 varname=`echo $dirname | sed -e s/+/_/g`
1854 if eval test x\${enable_${varname}} "=" xno ; then
1855 noconfigdirs="$noconfigdirs $dir"
1859 # Check for Boehm's garbage collector
1860 AC_ARG_ENABLE(objc-gc,
1861 [AS_HELP_STRING([--enable-objc-gc],
1862 [enable use of Boehm's garbage collector with the
1863 GNU Objective-C runtime])],
1864 [case ,${enable_languages},:${enable_objc_gc}:${noconfigdirs} in
1865 *,objc,*:*:yes:*target-boehm-gc*)
1866 AC_MSG_ERROR([Boehm's garbage collector was requested yet not supported in this configuration])
1870 # Make sure we only build Boehm's garbage collector if required.
1871 case ,${enable_languages},:${enable_objc_gc} in
1873 # Keep target-boehm-gc if requested for Objective-C.
1876 # Otherwise remove target-boehm-gc depending on target-libjava.
1877 if echo " ${noconfigdirs} " | grep "target-libjava" >/dev/null 2>&1; then
1878 noconfigdirs="$noconfigdirs target-boehm-gc"
1883 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
1884 # $build_configdirs and $target_configdirs.
1885 # If we have the source for $noconfigdirs entries, add them to $notsupp.
1888 for dir in . $skipdirs $noconfigdirs ; do
1889 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
1890 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1891 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
1892 if test -r $srcdir/$dirname/configure ; then
1893 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1896 notsupp="$notsupp $dir"
1900 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1901 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"`
1902 if test -r $srcdir/$dirname/configure ; then
1903 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1906 notsupp="$notsupp $dir"
1910 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1911 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
1912 if test -r $srcdir/$dirname/configure ; then
1913 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1916 notsupp="$notsupp $dir"
1922 # Quietly strip out all directories which aren't configurable in this tree.
1923 # This relies on all configurable subdirectories being autoconfiscated, which
1925 build_configdirs_all="$build_configdirs"
1927 for i in ${build_configdirs_all} ; do
1928 j=`echo $i | sed -e s/build-//g`
1929 if test -f ${srcdir}/$j/configure ; then
1930 build_configdirs="${build_configdirs} $i"
1934 configdirs_all="$configdirs"
1936 for i in ${configdirs_all} ; do
1937 if test -f ${srcdir}/$i/configure ; then
1938 configdirs="${configdirs} $i"
1942 target_configdirs_all="$target_configdirs"
1944 for i in ${target_configdirs_all} ; do
1945 j=`echo $i | sed -e s/target-//g`
1946 if test -f ${srcdir}/$j/configure ; then
1947 target_configdirs="${target_configdirs} $i"
1951 # Produce a warning message for the subdirs we can't configure.
1952 # This isn't especially interesting in the Cygnus tree, but in the individual
1953 # FSF releases, it's important to let people know when their machine isn't
1954 # supported by the one or two programs in a package.
1956 if test -n "${notsupp}" && test -z "${norecursion}" ; then
1957 # If $appdirs is non-empty, at least one of those directories must still
1958 # be configured, or we error out. (E.g., if the gas release supports a
1959 # specified target in some subdirs but not the gas subdir, we shouldn't
1960 # pretend that all is well.)
1961 if test -n "$appdirs" ; then
1962 for dir in $appdirs ; do
1963 if test -r $dir/Makefile.in ; then
1964 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1968 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
1974 if test -n "$appdirs" ; then
1975 echo "*** This configuration is not supported by this package." 1>&2
1979 # Okay, some application will build, or we don't care to check. Still
1980 # notify of subdirs not getting built.
1981 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
1982 echo " ${notsupp}" 1>&2
1983 echo " (Any other directories should still work fine.)" 1>&2
1991 # To find our prefix, in gcc_cv_tool_prefix.
1996 AC_ARG_WITH([build-sysroot],
1997 [AS_HELP_STRING([--with-build-sysroot=SYSROOT],
1998 [use sysroot as the system root during the build])],
1999 [if test x"$withval" != x ; then
2000 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval"
2002 [SYSROOT_CFLAGS_FOR_TARGET=])
2003 AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET)
2005 AC_ARG_WITH([debug-prefix-map],
2006 [AS_HELP_STRING([--with-debug-prefix-map='A=B C=D ...'],
2007 [map A to B, C to D ... in debug information])],
2008 [if test x"$withval" != x; then
2009 DEBUG_PREFIX_CFLAGS_FOR_TARGET=
2010 for debug_map in $withval; do
2011 DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map"
2014 [DEBUG_PREFIX_CFLAGS_FOR_TARGET=])
2015 AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET)
2017 # During gcc bootstrap, if we use some random cc for stage1 then CFLAGS
2018 # might be empty or "-g". We don't require a C++ compiler, so CXXFLAGS
2019 # might also be empty (or "-g", if a non-GCC C++ compiler is in the path).
2020 # We want to ensure that TARGET libraries (which we know are built with
2021 # gcc) are built with "-O2 -g", so include those options when setting
2022 # CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET.
2023 if test "x$CFLAGS_FOR_TARGET" = x; then
2024 CFLAGS_FOR_TARGET=$CFLAGS
2027 *) CFLAGS_FOR_TARGET="-O2 $CFLAGS" ;;
2030 *" -g "* | *" -g3 "*) ;;
2031 *) CFLAGS_FOR_TARGET="-g $CFLAGS" ;;
2034 AC_SUBST(CFLAGS_FOR_TARGET)
2036 if test "x$CXXFLAGS_FOR_TARGET" = x; then
2037 CXXFLAGS_FOR_TARGET=$CXXFLAGS
2038 case " $CXXFLAGS " in
2040 *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS" ;;
2042 case " $CXXFLAGS " in
2043 *" -g "* | *" -g3 "*) ;;
2044 *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS" ;;
2047 AC_SUBST(CXXFLAGS_FOR_TARGET)
2049 AC_SUBST(LDFLAGS_FOR_TARGET)
2051 # Handle --with-headers=XXX. If the value is not "yes", the contents of
2052 # the named directory are copied to $(tooldir)/sys-include.
2053 if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
2054 if test x${is_cross_compiler} = xno ; then
2055 echo 1>&2 '***' --with-headers is only supported when cross compiling
2058 if test x"${with_headers}" != xyes ; then
2059 x=${gcc_cv_tool_prefix}
2060 copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include"
2064 # Handle --with-libs=XXX. If the value is not "yes", the contents of
2065 # the name directories are copied to $(tooldir)/lib. Multiple directories
2067 if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
2068 if test x${is_cross_compiler} = xno ; then
2069 echo 1>&2 '***' --with-libs is only supported when cross compiling
2072 if test x"${with_libs}" != xyes ; then
2073 # Copy the libraries in reverse order, so that files in the first named
2074 # library override files in subsequent libraries.
2075 x=${gcc_cv_tool_prefix}
2076 for l in ${with_libs}; do
2077 copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}"
2082 # Set with_gnu_as, with_gnu_ld, and with_system_zlib as appropriate.
2084 # This is done by determining whether or not the appropriate directory
2085 # is available, and by checking whether or not specific configurations
2086 # have requested that this magic not happen.
2088 # The command line options always override the explicit settings in
2089 # configure.in, and the settings in configure.in override this magic.
2091 # If the default for a toolchain is to use GNU as and ld, and you don't
2092 # want to do that, then you should use the --without-gnu-as and
2093 # --without-gnu-ld options for the configure script. Similarly, if
2094 # the default is to use the included zlib and you don't want to do that,
2095 # you should use the --with-system-zlib option for the configure script.
2097 if test x${use_gnu_as} = x &&
2098 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
2100 extra_host_args="$extra_host_args --with-gnu-as"
2103 if test x${use_gnu_ld} = x &&
2104 echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then
2106 extra_host_args="$extra_host_args --with-gnu-ld"
2109 if test x${use_included_zlib} = x &&
2110 echo " ${configdirs} " | grep " zlib " > /dev/null 2>&1 ; then
2113 with_system_zlib=yes
2114 extra_host_args="$extra_host_args --with-system-zlib"
2117 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
2118 # can detect this case.
2120 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
2122 extra_host_args="$extra_host_args --with-newlib"
2125 # Handle ${copy_dirs}
2126 set fnord ${copy_dirs}
2128 while test $# != 0 ; do
2129 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
2132 echo Copying $1 to $2
2134 # Use the install script to create the directory and all required
2135 # parent directories.
2136 if test -d $2 ; then
2140 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
2143 # Copy the directory, assuming we have tar.
2144 # FIXME: Should we use B in the second tar? Not all systems support it.
2145 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
2147 # It is the responsibility of the user to correctly adjust all
2148 # symlinks. If somebody can figure out how to handle them correctly
2149 # here, feel free to add the code.
2156 # Determine a target-dependent exec_prefix that the installed
2157 # gcc will search in. Keep this list sorted by triplet, with
2158 # the *-*-osname triplets last.
2161 i[[34567]]86-pc-msdosdjgpp*)
2162 md_exec_prefix=/dev/env/DJDIR/bin
2167 md_exec_prefix=/usr/ccs/bin
2171 extra_arflags_for_target=
2172 extra_nmflags_for_target=
2173 extra_ranlibflags_for_target=
2174 target_makefile_frag=/dev/null
2177 target_makefile_frag="config/mt-spu"
2180 target_makefile_frag="config/mt-sde"
2182 mipsisa*-*-elfoabi*)
2183 target_makefile_frag="config/mt-mips-elfoabi"
2185 mips*-*-*linux* | mips*-*-gnu*)
2186 target_makefile_frag="config/mt-mips-gnu"
2188 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
2189 target_makefile_frag="config/mt-gnu"
2191 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
2192 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
2193 # commands to handle both 32-bit and 64-bit objects. These flags are
2194 # harmless if we're using GNU nm or ar.
2195 extra_arflags_for_target=" -X32_64"
2196 extra_nmflags_for_target=" -B -X32_64"
2199 # ranlib before Darwin10 requires the -c flag to look at common symbols.
2200 extra_ranlibflags_for_target=" -c"
2204 alphaieee_frag=/dev/null
2207 # This just makes sure to use the -mieee option to build target libs.
2208 # This should probably be set individually by each library.
2209 alphaieee_frag="config/mt-alphaieee"
2213 # If --enable-target-optspace always use -Os instead of -O2 to build
2214 # the target libraries, similarly if it is not specified, use -Os
2215 # on selected platforms.
2216 ospace_frag=/dev/null
2217 case "${enable_target_optspace}:${target}" in
2219 ospace_frag="config/mt-ospace"
2222 ospace_frag="config/mt-d30v"
2224 :m32r-* | :d10v-* | :fr30-*)
2225 ospace_frag="config/mt-ospace"
2230 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
2234 # Default to using --with-stabs for certain targets.
2235 if test x${with_stabs} = x ; then
2237 mips*-*-irix[[56]]*)
2239 mips*-*-* | alpha*-*-osf*)
2241 extra_host_args="${extra_host_args} --with-stabs"
2246 # Some systems (e.g., one of the i386-aix systems the gas testers are
2247 # using) don't handle "\$" correctly, so don't use it here.
2248 tooldir='${exec_prefix}'/${target_noncanonical}
2249 build_tooldir=${tooldir}
2251 # Create a .gdbinit file which runs the one in srcdir
2252 # and tells GDB to look there for source files.
2254 if test -r ${srcdir}/.gdbinit ; then
2257 *) cat > ./.gdbinit <<EOF
2261 source ${srcdir}/.gdbinit
2267 # Make sure that the compiler is able to generate an executable. If it
2268 # can't, we are probably in trouble. We don't care whether we can run the
2269 # executable--we might be using a cross compiler--we only care whether it
2270 # can be created. At this point the main configure script has set CC.
2272 echo "int main () { return 0; }" > conftest.c
2273 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
2274 if test $? = 0 ; then
2275 if test -s conftest || test -s conftest.exe ; then
2281 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
2282 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
2289 # Decide which environment variable is used to find dynamic libraries.
2291 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
2292 *-*-darwin*) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;;
2293 *-*-mingw* | *-*-cygwin ) RPATH_ENVVAR=PATH ;;
2294 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
2297 # On systems where the dynamic library environment variable is PATH,
2298 # gcc/ will put dynamic libraries into a subdirectory to avoid adding
2299 # built executables to PATH.
2300 if test "$RPATH_ENVVAR" = PATH; then
2301 GCC_SHLIB_SUBDIR=/shlib
2306 # Record target_configdirs and the configure arguments for target and
2307 # build configuration in Makefile.
2308 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
2309 build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
2311 # If we are building libgomp, bootstrap it.
2312 if echo " ${target_configdirs} " | grep " libgomp " > /dev/null 2>&1 ; then
2313 bootstrap_target_libs=${bootstrap_target_libs}target-libgomp,
2316 # Determine whether gdb needs tk/tcl or not.
2317 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
2318 # and in that case we want gdb to be built without tk. Ugh!
2319 # In fact I believe gdb is the *only* package directly dependent on tk,
2320 # so we should be able to put the 'maybe's in unconditionally and
2321 # leave out the maybe dependencies when enable_gdbtk is false. I'm not
2322 # 100% sure that that's safe though.
2324 gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
2325 case "$enable_gdbtk" in
2329 GDB_TK="${gdb_tk}" ;;
2331 # Only add the dependency on gdbtk when GDBtk is part of the gdb
2332 # distro. Eventually someone will fix this and move Insight, nee
2333 # gdbtk to a separate directory.
2334 if test -d ${srcdir}/gdb/gdbtk ; then
2341 CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g`
2342 INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g`
2344 # Strip out unwanted targets.
2346 # While at that, we remove Makefiles if we were started for recursive
2347 # configuration, so that the top-level Makefile reconfigures them,
2348 # like we used to do when configure itself was recursive.
2350 # Loop over modules. We used to use the "$extrasub" feature from Autoconf
2351 # but now we're fixing up the Makefile ourselves with the additional
2352 # commands passed to AC_CONFIG_FILES. Use separate variables
2353 # extrasub-{build,host,target} not because there is any reason to split
2354 # the substitutions up that way, but only to remain below the limit of
2355 # 99 commands in a script, for HP-UX sed.
2356 # Do not nest @if/@endif pairs, because configure will not warn you at all.
2358 AC_ARG_ENABLE([bootstrap],
2359 [AS_HELP_STRING([--enable-bootstrap],
2360 [enable bootstrapping @<:@yes if native build@:>@])],,
2361 enable_bootstrap=default)
2363 # Issue errors and warnings for invalid/strange bootstrap combinations.
2364 case "$configdirs" in
2365 *gcc*) have_compiler=yes ;;
2366 *) have_compiler=no ;;
2369 case "$have_compiler:$host:$target:$enable_bootstrap" in
2372 # Default behavior. Enable bootstrap if we have a compiler
2373 # and we are in a native configuration.
2374 yes:$build:$build:default)
2375 enable_bootstrap=yes ;;
2378 enable_bootstrap=no ;;
2380 # We have a compiler and we are in a native configuration, bootstrap is ok
2381 yes:$build:$build:yes)
2384 # Other configurations, but we have a compiler. Assume the user knows
2387 AC_MSG_WARN([trying to bootstrap a cross compiler])
2390 # No compiler: if they passed --enable-bootstrap explicitly, fail
2392 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
2394 # Fail if wrong command line
2396 AC_MSG_ERROR([invalid option for --enable-bootstrap])
2400 case ",$enable_languages,:$ENABLE_BUILD_WITH_CXX:$enable_bootstrap" in
2403 AC_MSG_ERROR([bootstrapping with --enable-build-with-cxx requires c++ in --enable-languages])
2407 case "$enable_bootstrap:$ENABLE_GOLD: $configdirs :,$stage1_languages," in
2408 yes:yes:*\ gold\ *:*,c++,*) ;;
2409 yes:yes:*\ gold\ *:*)
2410 AC_MSG_ERROR([in a combined tree, bootstrapping with --enable-gold requires c++ in stage1_languages])
2414 # Adjust the toplevel makefile according to whether bootstrap was selected.
2415 case $enable_bootstrap in
2417 bootstrap_suffix=bootstrap
2418 BUILD_CONFIG=bootstrap-debug
2421 bootstrap_suffix=no-bootstrap
2426 AC_MSG_CHECKING(for default BUILD_CONFIG)
2428 AC_ARG_WITH([build-config],
2429 [AS_HELP_STRING([--with-build-config='NAME NAME2...'],
2430 [use config/NAME.mk build configuration])],
2431 [case $with_build_config in
2432 yes) with_build_config= ;;
2433 no) with_build_config= BUILD_CONFIG= ;;
2436 if test "x${with_build_config}" != x; then
2437 BUILD_CONFIG=$with_build_config
2439 case $BUILD_CONFIG in
2441 if echo "int f (void) { return 0; }" > conftest.c &&
2442 ${CC} -c conftest.c &&
2443 mv conftest.o conftest.o.g0 &&
2444 ${CC} -c -g conftest.c &&
2445 mv conftest.o conftest.o.g &&
2446 ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g > /dev/null 2>&1; then
2451 rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g
2455 AC_MSG_RESULT($BUILD_CONFIG)
2456 AC_SUBST(BUILD_CONFIG)
2459 for module in ${build_configdirs} ; do
2460 if test -z "${no_recursion}" \
2461 && test -f ${build_subdir}/${module}/Makefile; then
2462 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
2463 rm -f ${build_subdir}/${module}/Makefile
2465 extrasub_build="$extrasub_build
2466 /^@if build-$module\$/d
2467 /^@endif build-$module\$/d
2468 /^@if build-$module-$bootstrap_suffix\$/d
2469 /^@endif build-$module-$bootstrap_suffix\$/d"
2472 for module in ${configdirs} ; do
2473 if test -z "${no_recursion}"; then
2474 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do
2475 if test -f ${file}; then
2476 echo 1>&2 "*** removing ${file} to force reconfigure"
2481 extrasub_host="$extrasub_host
2483 /^@endif $module\$/d
2484 /^@if $module-$bootstrap_suffix\$/d
2485 /^@endif $module-$bootstrap_suffix\$/d"
2488 for module in ${target_configdirs} ; do
2489 if test -z "${no_recursion}" \
2490 && test -f ${target_subdir}/${module}/Makefile; then
2491 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
2492 rm -f ${target_subdir}/${module}/Makefile
2495 # We only bootstrap target libraries listed in bootstrap_target_libs.
2496 case $bootstrap_target_libs in
2497 *,target-$module,*) target_bootstrap_suffix=$bootstrap_suffix ;;
2498 *) target_bootstrap_suffix=no-bootstrap ;;
2501 extrasub_target="$extrasub_target
2502 /^@if target-$module\$/d
2503 /^@endif target-$module\$/d
2504 /^@if target-$module-$target_bootstrap_suffix\$/d
2505 /^@endif target-$module-$target_bootstrap_suffix\$/d"
2508 # Do the final fixup along with target modules.
2509 extrasub_target="$extrasub_target
2510 /^@if /,/^@endif /d"
2512 # Create the serialization dependencies. This uses a temporary file.
2514 AC_ARG_ENABLE([serial-configure],
2515 [AS_HELP_STRING([[--enable-serial-[{host,target,build}-]configure]],
2516 [force sequential configuration of
2517 sub-packages for the host, target or build
2518 machine, or all sub-packages])])
2520 case ${enable_serial_configure} in
2522 enable_serial_build_configure=yes
2523 enable_serial_host_configure=yes
2524 enable_serial_target_configure=yes
2528 # These force 'configure's to be done one at a time, to avoid problems
2529 # with contention over a shared config.cache.
2531 echo '# serdep.tmp' > serdep.tmp
2533 test "x${enable_serial_build_configure}" = xyes &&
2534 for item in ${build_configdirs} ; do
2537 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
2542 test "x${enable_serial_host_configure}" = xyes &&
2543 for item in ${configdirs} ; do
2546 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
2551 test "x${enable_serial_target_configure}" = xyes &&
2552 for item in ${target_configdirs} ; do
2555 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
2559 serialization_dependencies=serdep.tmp
2560 AC_SUBST_FILE(serialization_dependencies)
2562 # Base args. Strip norecursion, cache-file, srcdir, host, build,
2563 # target, nonopt, and variable assignments. These are the ones we
2564 # might not want to pass down to subconfigures. The exception being
2565 # --cache-file=/dev/null, which is used to turn off the use of cache
2566 # files altogether, and which should be passed on to subconfigures.
2567 # Also strip program-prefix, program-suffix, and program-transform-name,
2568 # so that we can pass down a consistent program-transform-name.
2573 eval "set -- $ac_configure_args"
2576 if test X"$skip_next" = X"yes"; then
2580 if test X"$keep_next" = X"yes"; then
2583 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2585 baseargs="$baseargs '$ac_arg'"
2586 tbaseargs="$tbaseargs '$ac_arg'"
2591 # Handle separated arguments. Based on the logic generated by
2594 *=* | --config-cache | -C | -disable-* | --disable-* \
2595 | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \
2596 | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \
2597 | -with-* | --with-* | -without-* | --without-* | --x)
2611 --with-* | --without-*)
2612 libopt=`echo "$ac_arg" | sed -e 's,^--[^-_]*[-_],,' -e 's,=.*$,,'`
2616 lib=`echo "$libopt" | sed 's,[-_]include$,,'`
2619 lib=`echo "$libopt" | sed 's,[-_]lib$,,'`
2628 mpc | mpfr | gmp | ppl | cloog)
2629 # If we're processing --with-$lib, --with-$lib-include or
2630 # --with-$lib-lib, for one of the libs above, and target is
2631 # different from host, don't pass the current argument to any
2632 # target library's configure.
2633 if test x$is_cross_compiler = xyes; then
2642 --cache-file=/dev/null | \
2643 -cache-file=/dev/null )
2644 # Handled here to avoid the test to skip args below.
2645 baseargs="$baseargs '$ac_arg'"
2646 tbaseargs="$tbaseargs '$ac_arg'"
2647 # Assert: $separate_arg should always be no.
2648 keep_next=$separate_arg
2664 -program-prefix* | \
2665 -program-suffix* | \
2666 -program-transform-name* )
2667 skip_next=$separate_arg
2671 # An option. Add it.
2674 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2676 baseargs="$baseargs '$ac_arg'"
2677 if test X"$skip_targ" = Xno; then
2678 tbaseargs="$tbaseargs '$ac_arg'"
2680 keep_next=$separate_arg
2683 # Either a variable assignment, or a nonopt (triplet). Don't
2684 # pass it down; let the Makefile handle this.
2689 # Remove the initial space we just introduced and, as these will be
2690 # expanded by make, quote '$'.
2691 baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
2693 # Add in --program-transform-name, after --program-prefix and
2694 # --program-suffix have been applied to it. Autoconf has already
2695 # doubled dollar signs and backslashes in program_transform_name; we want
2696 # the backslashes un-doubled, and then the entire thing wrapped in single
2697 # quotes, because this will be expanded first by make and then by the shell.
2698 # Also, because we want to override the logic in subdir configure scripts to
2699 # choose program_transform_name, replace any s,x,x, with s,y,y,.
2700 sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
2701 ${program_transform_name}
2703 gcc_transform_name=`cat conftestsed.out`
2704 rm -f conftestsed.out
2705 baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
2706 tbaseargs="$tbaseargs --program-transform-name='${gcc_transform_name}'"
2707 if test "$silent" = yes; then
2708 baseargs="$baseargs --silent"
2709 tbaseargs="$tbaseargs --silent"
2711 baseargs="$baseargs --disable-option-checking"
2712 tbaseargs="$tbaseargs --disable-option-checking"
2714 # Record and document user additions to sub configure arguments.
2715 AC_ARG_VAR([build_configargs],
2716 [additional configure arguments for build directories])
2717 AC_ARG_VAR([host_configargs],
2718 [additional configure arguments for host directories])
2719 AC_ARG_VAR([target_configargs],
2720 [additional configure arguments for target directories])
2722 # For the build-side libraries, we just need to pretend we're native,
2723 # and not use the same cache file. Multilibs are neither needed nor
2725 build_configargs="$build_configargs --cache-file=../config.cache ${baseargs}"
2727 # For host modules, accept cache file option, or specification as blank.
2728 case "${cache_file}" in
2730 cache_file_option="" ;;
2731 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
2732 cache_file_option="--cache-file=${cache_file}" ;;
2734 cache_file_option="--cache-file=../${cache_file}" ;;
2737 # Host dirs don't like to share a cache file either, horribly enough.
2738 # This seems to be due to autoconf 2.5x stupidity.
2739 host_configargs="$host_configargs --cache-file=./config.cache ${extra_host_args} ${baseargs}"
2741 target_configargs="$target_configargs ${tbaseargs}"
2743 # Passing a --with-cross-host argument lets the target libraries know
2744 # whether they are being built with a cross-compiler or being built
2745 # native. However, it would be better to use other mechanisms to make the
2746 # sorts of decisions they want to make on this basis. Please consider
2747 # this option to be deprecated. FIXME.
2748 if test x${is_cross_compiler} = xyes ; then
2749 target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}"
2752 # Default to --enable-multilib.
2753 if test x${enable_multilib} = x ; then
2754 target_configargs="--enable-multilib ${target_configargs}"
2757 # Pass --with-newlib if appropriate. Note that target_configdirs has
2758 # changed from the earlier setting of with_newlib.
2759 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
2760 target_configargs="--with-newlib ${target_configargs}"
2763 # Different target subdirs use different values of certain variables
2764 # (notably CXX). Worse, multilibs use *lots* of different values.
2765 # Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
2766 # it doesn't automatically accept command-line overrides of them.
2767 # This means it's not safe for target subdirs to share a cache file,
2768 # which is disgusting, but there you have it. Hopefully this can be
2769 # fixed in future. It's still worthwhile to use a cache file for each
2770 # directory. I think.
2772 # Pass the appropriate --build, --host, --target and --cache-file arguments.
2773 # We need to pass --target, as newer autoconf's requires consistency
2774 # for target_alias and gcc doesn't manage it consistently.
2775 target_configargs="--cache-file=./config.cache ${target_configargs}"
2778 case " $target_configdirs " in
2780 case " $target_configargs " in
2781 *" --with-newlib "*)
2784 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 $$s/winsup/w32api/include'
2788 # If we're not building GCC, don't discard standard headers.
2789 if test -d ${srcdir}/gcc; then
2790 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
2792 if test "${build}" != "${host}"; then
2793 # On Canadian crosses, CC_FOR_TARGET will have already been set
2794 # by `configure', so we won't have an opportunity to add -Bgcc/
2795 # to it. This is right: we don't want to search that directory
2796 # for binaries, but we want the header files in there, so add
2798 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include -isystem $$r/$(HOST_SUBDIR)/gcc/include-fixed'
2800 # Someone might think of using the pre-installed headers on
2801 # Canadian crosses, in case the installed compiler is not fully
2802 # compatible with the compiler being built. In this case, it
2803 # would be better to flag an error than risking having
2804 # incompatible object files being constructed. We can't
2805 # guarantee that an error will be flagged, but let's hope the
2806 # compiler will do it, when presented with incompatible header
2811 case "${target}-${is_cross_compiler}" in
2812 i[[3456789]]86-*-linux*-no)
2813 # Here host == target, so we don't need to build gcc,
2814 # so we don't want to discard standard headers.
2815 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
2818 # If we're building newlib, use its generic headers last, but search
2819 # for any libc-related directories first (so make it the last -B
2821 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
2823 # If we're building libgloss, find the startup file, simulator library
2824 # and linker script.
2825 case " $target_configdirs " in
2827 # Look for startup file, simulator library and maybe linker script.
2828 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/'"$libgloss_dir"
2829 # Look for libnosys.a in case the target needs it.
2830 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys'
2831 # Most targets have the linker script in the source directory.
2832 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$s/libgloss/'"$libgloss_dir"
2843 x86_64-*mingw* | *-w64-mingw*)
2844 # MinGW-w64 does not use newlib, nor does it use winsup. It may,
2845 # however, use a symlink named 'mingw' in ${prefix} .
2846 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L${prefix}/${target}/lib -L${prefix}/mingw/lib -isystem ${prefix}/${target}/include -isystem ${prefix}/mingw/include'
2849 # MinGW can't be handled as Cygwin above since it does not use newlib.
2850 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/mingw -L$$r/$(TARGET_SUBDIR)/winsup/w32api/lib -isystem $$s/winsup/mingw/include -isystem $$s/winsup/w32api/include'
2854 # Allow the user to override the flags for
2855 # our build compiler if desired.
2856 if test x"${build}" = x"${host}" ; then
2857 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
2858 CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}}
2859 LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}}
2862 # On Canadian crosses, we'll be searching the right directories for
2863 # the previously-installed cross compiler, so don't bother to add
2864 # flags for directories within the install tree of the compiler
2865 # being built; programs in there won't even run.
2866 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
2867 # Search for pre-installed headers if nothing else fits.
2868 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
2871 if test "x${use_gnu_ld}" = x &&
2872 echo " ${configdirs} " | grep " ld " > /dev/null ; then
2873 # Arrange for us to find uninstalled linker scripts.
2874 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld'
2877 # Search for other target-specific linker scripts and such.
2880 FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary"
2884 # Makefile fragments.
2885 for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
2887 eval fragval=\$$frag
2888 if test $fragval != /dev/null; then
2889 eval $frag=${srcdir}/$fragval
2892 AC_SUBST_FILE(host_makefile_frag)
2893 AC_SUBST_FILE(target_makefile_frag)
2894 AC_SUBST_FILE(alphaieee_frag)
2895 AC_SUBST_FILE(ospace_frag)
2897 # Miscellanea: directories, flags, etc.
2898 AC_SUBST(RPATH_ENVVAR)
2899 AC_SUBST(GCC_SHLIB_SUBDIR)
2901 AC_SUBST(build_tooldir)
2902 AC_SUBST(CONFIGURE_GDB_TK)
2904 AC_SUBST(INSTALL_GDB_TK)
2906 # Build module lists & subconfigure args.
2907 AC_SUBST(build_configargs)
2908 AC_SUBST(build_configdirs)
2910 # Host module lists & subconfigure args.
2911 AC_SUBST(host_configargs)
2912 AC_SUBST(configdirs)
2913 AC_SUBST(target_configdirs)
2915 # Target module lists & subconfigure args.
2916 AC_SUBST(target_configargs)
2920 AC_SUBST(AR_FOR_BUILD)
2921 AC_SUBST(AS_FOR_BUILD)
2922 AC_SUBST(CC_FOR_BUILD)
2923 AC_SUBST(CFLAGS_FOR_BUILD)
2924 AC_SUBST(CXXFLAGS_FOR_BUILD)
2925 AC_SUBST(CXX_FOR_BUILD)
2926 AC_SUBST(DLLTOOL_FOR_BUILD)
2927 AC_SUBST(GCJ_FOR_BUILD)
2928 AC_SUBST(GFORTRAN_FOR_BUILD)
2929 AC_SUBST(GOC_FOR_BUILD)
2930 AC_SUBST(LDFLAGS_FOR_BUILD)
2931 AC_SUBST(LD_FOR_BUILD)
2932 AC_SUBST(NM_FOR_BUILD)
2933 AC_SUBST(RANLIB_FOR_BUILD)
2934 AC_SUBST(WINDMC_FOR_BUILD)
2935 AC_SUBST(WINDRES_FOR_BUILD)
2937 # Generate default definitions for YACC, M4, LEX and other programs that run
2938 # on the build machine. These are used if the Makefile can't locate these
2939 # programs in objdir.
2940 MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
2942 AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
2943 case " $build_configdirs " in
2944 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;;
2947 AC_CHECK_PROGS([BISON], [bison], [$MISSING bison])
2948 case " $build_configdirs " in
2949 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;;
2952 AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4])
2953 case " $build_configdirs " in
2954 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;;
2957 AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex])
2958 case " $build_configdirs " in
2959 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
2960 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;;
2963 AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex])
2964 case " $build_configdirs " in
2965 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
2968 AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo])
2969 case " $build_configdirs " in
2970 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;;
2973 # For an installed makeinfo, we require it to be from texinfo 4.7 or
2974 # higher, else we use the "missing" dummy.
2975 if ${MAKEINFO} --version \
2976 | egrep 'texinfo[^0-9]*(4\.([7-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then
2979 MAKEINFO="$MISSING makeinfo"
2985 # FIXME: expect and dejagnu may become build tools?
2987 AC_CHECK_PROGS(EXPECT, expect, expect)
2988 case " $configdirs " in
2990 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect'
2994 AC_CHECK_PROGS(RUNTEST, runtest, runtest)
2995 case " $configdirs " in
2997 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest'
3003 NCN_STRICT_CHECK_TOOLS(AR, ar)
3004 NCN_STRICT_CHECK_TOOLS(AS, as)
3005 NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool)
3006 NCN_STRICT_CHECK_TOOLS(LD, ld)
3007 NCN_STRICT_CHECK_TOOLS(LIPO, lipo)
3008 NCN_STRICT_CHECK_TOOLS(NM, nm)
3009 NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, true)
3010 NCN_STRICT_CHECK_TOOLS(STRIP, strip, true)
3011 NCN_STRICT_CHECK_TOOLS(WINDRES, windres)
3012 NCN_STRICT_CHECK_TOOLS(WINDMC, windmc)
3013 NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy)
3014 NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump)
3021 AC_ARG_WITH([build-time-tools],
3022 [AS_HELP_STRING([--with-build-time-tools=PATH],
3023 [use given path to find target tools during the build])],
3024 [case x"$withval" in
3027 with_build_time_tools=
3028 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path])
3031 [with_build_time_tools=])
3033 NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc)
3034 NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx)
3035 NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET})
3036 NCN_STRICT_CHECK_TARGET_TOOLS(GCJ_FOR_TARGET, gcj)
3037 NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran)
3038 NCN_STRICT_CHECK_TARGET_TOOLS(GOC_FOR_TARGET, gccgo)
3040 ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar)
3041 ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as)
3042 ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
3043 ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld)
3044 ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo)
3045 ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm)
3046 ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump)
3047 ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib)
3048 ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip)
3049 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
3050 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc)
3052 RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET"
3054 GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar])
3055 GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new])
3056 GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3057 dnl see comments for CXX_FOR_TARGET_FLAG_TO_PASS
3058 GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX,
3059 [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$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs],
3061 GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX,
3062 [gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs],
3064 GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool])
3065 GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3066 GCC_TARGET_TOOL(gcj, GCJ_FOR_TARGET, GCJ,
3067 [gcc/gcj -B$$r/$(HOST_SUBDIR)/gcc/], java)
3068 GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN,
3069 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran)
3070 GCC_TARGET_TOOL(gccgo, GOC_FOR_TARGET, GOC,
3071 [gcc/gccgo -B$$r/$(HOST_SUBDIR)/gcc/], go)
3072 GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new])
3073 GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO)
3074 GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new])
3075 GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump])
3076 GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib])
3077 GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip-new])
3078 GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres])
3079 GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc])
3081 AC_SUBST(FLAGS_FOR_TARGET)
3082 AC_SUBST(RAW_CXX_FOR_TARGET)
3084 # Certain tools may need extra flags.
3085 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
3086 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
3087 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
3089 # When building target libraries, except in a Canadian cross, we use
3090 # the same toolchain as the compiler we just built.
3091 COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)'
3092 COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)'
3093 COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)'
3094 if test $host = $build; then
3095 case " $configdirs " in
3097 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as'
3098 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld'
3099 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target}
3104 AC_SUBST(COMPILER_AS_FOR_TARGET)
3105 AC_SUBST(COMPILER_LD_FOR_TARGET)
3106 AC_SUBST(COMPILER_NM_FOR_TARGET)
3108 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
3109 AC_ARG_ENABLE(maintainer-mode,
3110 [AS_HELP_STRING([--enable-maintainer-mode],
3111 [enable make rules and dependencies not useful
3112 (and sometimes confusing) to the casual installer])],
3113 USE_MAINTAINER_MODE=$enableval,
3114 USE_MAINTAINER_MODE=no)
3115 AC_MSG_RESULT($USE_MAINTAINER_MODE)
3116 AC_SUBST(MAINTAINER_MODE_TRUE)
3117 AC_SUBST(MAINTAINER_MODE_FALSE)
3118 if test "$USE_MAINTAINER_MODE" = yes; then
3119 MAINTAINER_MODE_TRUE=
3120 MAINTAINER_MODE_FALSE='#'
3122 MAINTAINER_MODE_TRUE='#'
3123 MAINTAINER_MODE_FALSE=
3125 MAINT=$MAINTAINER_MODE_TRUE
3128 # ---------------------
3129 # GCC bootstrap support
3130 # ---------------------
3132 # Stage specific cflags for build.
3137 yes) stage1_cflags="-g -Wa,-J" ;;
3138 *) stage1_cflags="-g -J" ;;
3142 # This is aimed to mimic bootstrap with a non-GCC compiler to catch problems.
3143 if test "$GCC" = yes -a "$ENABLE_BUILD_WITH_CXX" != yes; then
3144 saved_CFLAGS="$CFLAGS"
3146 # Pass -fkeep-inline-functions for stage 1 if the GCC version supports it.
3147 CFLAGS="$CFLAGS -fkeep-inline-functions"
3148 AC_MSG_CHECKING([whether -fkeep-inline-functions is supported])
3150 #if (__GNUC__ < 3) \
3151 || (__GNUC__ == 3 && (__GNUC_MINOR__ < 3 \
3152 || (__GNUC_MINOR__ == 3 && __GNUC_PATCHLEVEL__ < 1)))
3153 #error http://gcc.gnu.org/PR29382
3156 [AC_MSG_RESULT([yes]); stage1_cflags="$stage1_cflags -fkeep-inline-functions"],
3157 [AC_MSG_RESULT([no])])
3159 CFLAGS="$saved_CFLAGS"
3162 AC_SUBST(stage1_cflags)
3164 # Enable --enable-checking in stage1 of the compiler.
3165 AC_ARG_ENABLE(stage1-checking,
3166 [AS_HELP_STRING([[--enable-stage1-checking[=all]]],
3167 [choose additional checking for stage1 of the compiler])],
3168 [stage1_checking=--enable-checking=${enable_stage1_checking}],
3169 [if test "x$enable_checking" = xno || test "x$enable_checking" = x; then
3170 stage1_checking=--enable-checking=yes,types
3172 stage1_checking=--enable-checking=$enable_checking,types
3174 AC_SUBST(stage1_checking)
3176 # Enable -Werror in bootstrap stage2 and later.
3177 AC_ARG_ENABLE(werror,
3178 [AS_HELP_STRING([--enable-werror],
3179 [enable -Werror in bootstrap stage2 and later])], [],
3180 [if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then
3185 case ${enable_werror} in
3186 yes) stage2_werror_flag="--enable-werror-always" ;;
3187 *) stage2_werror_flag="" ;;
3189 AC_SUBST(stage2_werror_flag)
3191 # Specify what files to not compare during bootstrap.
3193 compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*"
3195 hppa*64*-*-hpux*) ;;
3196 hppa*-*-hpux*) compare_exclusions="gcc/cc*-checksum\$(objext) | */libgcc/lib2funcs* | gcc/ada/*tools/*" ;;
3198 case " $configdirs " in
3199 *" ppl "*) compare_exclusions="$compare_exclusions | ppl/src/ppl-config.o" ;;
3201 AC_SUBST(compare_exclusions)
3203 AC_CONFIG_FILES([Makefile],
3204 [sed "$extrasub_build" Makefile |
3205 sed "$extrasub_host" |
3206 sed "$extrasub_target" > mf$$
3207 mv -f mf$$ Makefile],
3208 [extrasub_build="$extrasub_build"
3209 extrasub_host="$extrasub_host"
3210 extrasub_target="$extrasub_target"])