1 # Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
2 # 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
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])
32 AC_INIT(move-if-change)
34 AC_DISABLE_OPTION_CHECKING
37 # if PWD already has a value, it is probably wrong.
38 if test -n "$PWD" ; then PWD=`${PWDCMD-pwd}`; fi
40 # Export original configure arguments for use by sub-configures.
41 # Quote arguments with shell meta charatcers.
42 TOPLEVEL_CONFIGURE_ARGUMENTS=
43 set -- "$progname" "$@"
47 *" "*|*" "*|*[[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?\']]*)
48 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"`
49 # if the argument is of the form -foo=baz, quote the baz part only
50 ac_arg=`echo "'$ac_arg'" | sed "s/^'\([[-a-zA-Z0-9]]*=\)/\\1'/"` ;;
53 # Add the quoted argument to the list.
54 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS $ac_arg"
56 if test "$silent" = yes; then
57 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS --silent"
59 # Remove the initial space we just introduced and, as these will be
60 # expanded by make, quote '$'.
61 TOPLEVEL_CONFIGURE_ARGUMENTS=`echo "x$TOPLEVEL_CONFIGURE_ARGUMENTS" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
62 AC_SUBST(TOPLEVEL_CONFIGURE_ARGUMENTS)
64 # Find the build, host, and target systems.
65 ACX_NONCANONICAL_BUILD
67 ACX_NONCANONICAL_TARGET
69 dnl Autoconf 2.5x and later will set a default program prefix if
70 dnl --target was used, even if it was the same as --host. Disable
71 dnl that behavior. This must be done before AC_CANONICAL_SYSTEM
73 test "$host_noncanonical" = "$target_noncanonical" &&
74 test "$program_prefix$program_suffix$program_transform_name" = \
76 program_transform_name=s,y,y,
81 m4_pattern_allow([^AS_FOR_TARGET$])dnl
82 m4_pattern_allow([^AS_FOR_BUILD$])dnl
84 # Get 'install' or 'install-sh' and its variants.
91 ### we might need to use some other shell than /bin/sh for running subshells
92 ### If we are on Windows, search for the shell. This will permit people
93 ### to not have /bin/sh, but to be able to see /SOME/PATH/sh configure
94 ### without also having to set CONFIG_SHELL. This code will work when
95 ### using bash, which sets OSTYPE.
98 if test x${CONFIG_SHELL} = x ; then
99 if test ! -f /bin/sh ; then
100 if test x${SHELL} != x && test -f ${SHELL} ; then
101 CONFIG_SHELL=${SHELL}
104 for prog in sh sh.exe bash bash.exe; do
105 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
107 test -z "$dir" && dir=.
108 if test -f $dir/$prog; then
109 CONFIG_SHELL=$dir/$prog
115 test -n "${CONFIG_SHELL}" && break
123 config_shell=${CONFIG_SHELL-/bin/sh}
125 moveifchange=${srcdir}/move-if-change
127 srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}`
129 # We pass INSTALL explicitly to sub-makes. Make sure that it is not
131 if test "$INSTALL" = "${srcdir}/install-sh -c"; then
132 INSTALL="${srcpwd}/install-sh -c"
135 # Set srcdir to "." if that's what it is.
136 # This is important for multilib support.
138 if test "${pwd}" = "${srcpwd}" ; then
146 ### To add a new directory to the tree, first choose whether it is a target
147 ### or a host dependent tool. Then put it into the appropriate list
148 ### (library or tools, host or target), doing a dependency sort.
150 # Subdirs will be configured in the order listed in build_configdirs,
151 # configdirs, or target_configdirs; see the serialization section below.
153 # Dependency sorting is only needed when *configuration* must be done in
154 # a particular order. In all cases a dependency should be specified in
155 # the Makefile, whether or not it's implicitly specified here.
157 # Double entries in build_configdirs, configdirs, or target_configdirs may
158 # cause circular dependencies and break everything horribly.
160 # these library is used by various programs built for the build
163 build_libs="build-libiberty"
165 # these tools are built for the build environment
166 build_tools="build-texinfo build-byacc build-flex build-bison build-m4 build-fixincludes"
168 # these libraries are used by various programs built for the host environment
170 host_libs="intl mmalloc libiberty opcodes bfd readline tcl tk itcl libgui zlib libcpp libdecnumber gmp mpfr mpc ppl cloog libelf libiconv"
172 # these tools are built for the host environment
173 # Note, the powerpc-eabi build depends on sim occurring before gdb in order to
174 # know that we are building the simulator.
175 # binutils, gas and ld appear in that order because it makes sense to run
176 # "make check" in that particular order.
177 # If --enable-gold is used, "gold" may replace "ld".
178 host_tools="texinfo byacc flex bison binutils gas ld fixincludes gcc cgen sid sim gdb make patch prms send-pr gprof etc expect dejagnu ash bash bzip2 m4 autoconf automake libtool diff rcs fileutils shellutils time textutils wdiff find uudecode hello tar gzip indent recode release sed utils guile perl gawk findutils gettext zip fastjar gnattools"
180 # libgcj represents the runtime libraries only used by gcj.
181 libgcj="target-libffi \
186 # these libraries are built for the target environment, and are built after
187 # the host libraries and the host tools (which may be a cross compiler)
189 target_libraries="target-libgcc \
194 target-libstdc++-v3 \
204 # these tools are built using the target libraries, and are intended to
205 # run only in the target environment
207 # note: any program that *uses* libraries that are in the "target_libraries"
208 # list belongs in this list. those programs are also very likely
209 # candidates for the "native_only" list which follows
211 target_tools="target-examples target-groff target-gperf target-rda"
213 ################################################################################
215 ## All tools belong in one of the four categories, and are assigned above
216 ## We assign ${configdirs} this way to remove all embedded newlines. This
217 ## is important because configure will choke if they ever get through.
218 ## ${configdirs} is directories we build using the host tools.
219 ## ${target_configdirs} is directories we build using the target tools.
220 configdirs=`echo ${host_libs} ${host_tools}`
221 target_configdirs=`echo ${target_libraries} ${target_tools}`
222 build_configdirs=`echo ${build_libs} ${build_tools}`
224 m4_divert_text([PARSE_ARGS],
225 [ac_subdirs_all=`cd $srcdir && echo */configure | sed 's,/configure,,g'`
228 ################################################################################
230 srcname="gnu development package"
232 # This gets set non-empty for some net releases of packages.
235 # Define is_cross_compiler to save on calls to 'test'.
237 if test x"${host}" = x"${target}" ; then
240 is_cross_compiler=yes
243 # Find the build and target subdir names.
245 # Be sure to cover against remnants of an in-tree build.
246 if test $srcdir != . && test -d $srcdir/host-${host_noncanonical}; then
247 AC_MSG_ERROR([building out of tree but $srcdir contains host-${host_noncanonical}.
248 Use a pristine source tree when building in a separate tree])
251 # Skipdirs are removed silently.
253 # Noconfigdirs are removed loudly.
257 # Make sure we don't let GNU ld be added if we didn't want it.
258 if test x$with_gnu_ld = xno ; then
260 noconfigdirs="$noconfigdirs ld gold"
264 # Make sure we don't let GNU as be added if we didn't want it.
265 if test x$with_gnu_as = xno ; then
267 noconfigdirs="$noconfigdirs gas"
271 # Make sure we don't let ZLIB be added if we didn't want it.
272 if test x$with_system_zlib = xyes ; then
274 noconfigdirs="$noconfigdirs zlib"
277 # some tools are so dependent upon X11 that if we're not building with X,
278 # it's not even worth trying to configure, much less build, that tool.
281 yes | "") ;; # the default value for this tree is that X11 is available
283 skipdirs="${skipdirs} tk itcl libgui"
284 # We won't be able to build gdbtk without X.
287 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
290 # Some tools are only suitable for building in a "native" situation.
291 # Remove these if host!=target.
292 native_only="autoconf automake libtool fileutils find gawk gettext gzip hello indent m4 rcs recode sed shellutils tar textutils uudecode wdiff target-groff guile perl time ash bash bzip2 prms gnuserv target-gperf"
294 # Similarly, some are only suitable for cross toolchains.
295 # Remove these if host=target.
296 cross_only="target-libgloss target-newlib target-opcodes"
298 case $is_cross_compiler in
299 no) skipdirs="${skipdirs} ${cross_only}" ;;
300 yes) skipdirs="${skipdirs} ${native_only}" ;;
303 # If both --with-headers and --with-libs are specified, default to
305 if test x"${with_headers}" != x && test x"${with_headers}" != xno \
306 && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
307 if test x"${with_newlib}" = x ; then
312 # Recognize --with-newlib/--without-newlib.
313 case ${with_newlib} in
314 no) skipdirs="${skipdirs} target-newlib" ;;
315 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
318 # Handle --enable-gold.
319 # --enable-gold Build only gold
320 # --disable-gold [default] Build only ld
321 # --enable-gold=both Build both gold and ld, ld is default
322 # --enable-gold=both/ld Same
323 # --enable-gold=both/gold Build both gold and ld, gold is default, ld is renamed ld.bfd
326 [[ --enable-gold[=ARG] build gold [ARG={both}[/{gold,ld}]]]],
327 ENABLE_GOLD=$enableval,
329 case "${ENABLE_GOLD}" in
330 yes|both|both/gold|both/ld)
331 # Check for ELF target.
334 *-*-elf* | *-*-sysv4* | *-*-unixware* | *-*-eabi* | hppa*64*-*-hpux* \
335 | *-*-linux* | frv-*-uclinux* | *-*-irix5* | *-*-irix6* \
336 | *-*-netbsd* | *-*-openbsd* | *-*-freebsd* | *-*-solaris2* | *-*-nto*)
338 *-*-linux*aout* | *-*-linux*oldld*)
346 if test "$is_elf" = "yes"; then
347 # Check for target supported by gold.
349 i?86-*-* | x86_64-*-* | sparc*-*-* | powerpc*-*-* | arm*-*-*)
350 case "${ENABLE_GOLD}" in
352 configdirs="$configdirs gold"
355 configdirs="`echo " ${configdirs} " | sed -e 's/ ld / gold /'`"
366 AC_MSG_ERROR([invalid --enable-gold 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
387 noconfigdirs="$noconfigdirs byacc"
389 i[[3456789]]86-*-vsta)
390 noconfigdirs="$noconfigdirs tcl expect dejagnu make texinfo bison patch flex byacc send-pr gprof uudecode dejagnu diff guile perl itcl gnuserv gettext"
392 i[[3456789]]86-*-go32* | i[[3456789]]86-*-msdosdjgpp*)
393 noconfigdirs="$noconfigdirs tcl tk expect dejagnu send-pr uudecode guile itcl gnuserv libffi"
396 noconfigdirs="$noconfigdirs expect dejagnu autoconf automake send-pr rcs guile perl texinfo libtool newlib"
398 i[[3456789]]86-*-mingw32*)
399 # noconfigdirs="tcl tk expect dejagnu make texinfo bison patch flex byacc send-pr uudecode dejagnu diff guile perl itcl gnuserv"
400 noconfigdirs="$noconfigdirs expect dejagnu autoconf automake send-pr rcs guile perl texinfo libtool newlib"
402 i[[3456789]]86-*-beos*)
403 noconfigdirs="$noconfigdirs tk itcl libgui gdb"
406 noconfigdirs="$noconfigdirs autoconf automake send-pr rcs guile perl"
409 noconfigdirs="$noconfigdirs rcs"
412 noconfigdirs="$noconfigdirs patch diff make tk tcl expect dejagnu autoconf automake texinfo bison send-pr gprof rcs guile perl itcl gnuserv"
415 noconfigdirs="$noconfigdirs tk itcl libgui gdb dejagnu readline"
420 AC_ARG_ENABLE(libada,
421 [ --enable-libada build libada directory],
422 ENABLE_LIBADA=$enableval,
424 if test "${ENABLE_LIBADA}" != "yes" ; then
425 noconfigdirs="$noconfigdirs gnattools"
428 AC_ARG_ENABLE(libssp,
429 [ --enable-libssp build libssp directory],
430 ENABLE_LIBSSP=$enableval,
433 # Save it here so that, even in case of --enable-libgcj, if the Java
434 # front-end isn't enabled, we still get libgcj disabled.
436 case $enable_libgcj in
438 # If we reset it here, it won't get added to noconfigdirs in the
439 # target-specific build rules, so it will be forcibly enabled
440 # (unless the Java language itself isn't enabled).
444 # Make sure we get it printed in the list of not supported target libs.
445 noconfigdirs="$noconfigdirs ${libgcj}"
450 # Disable libmudflap on some systems.
451 if test x$enable_libmudflap = x ; then
453 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | bfin*-*-uclinux* | *-*-kopensolaris*-gnu)
454 # Enable libmudflap by default in GNU and friends.
457 # Enable libmudflap by default in FreeBSD.
460 # Disable it by default everywhere else.
461 noconfigdirs="$noconfigdirs target-libmudflap"
466 # Disable libgomp on non POSIX hosted systems.
467 if test x$enable_libgomp = x ; then
468 # Enable libgomp by default on hosted POSIX systems.
470 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
472 *-*-netbsd* | *-*-freebsd* | *-*-openbsd*)
474 *-*-solaris2* | *-*-sysv4* | *-*-irix6* | *-*-osf* | *-*-hpux11*)
476 *-*-darwin* | *-*-aix*)
479 noconfigdirs="$noconfigdirs target-libgomp"
484 # Default libgloss CPU subdirectory.
485 libgloss_dir="$target_cpu"
489 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
492 noconfigdirs="$noconfigdirs ld gas gdb gprof"
493 noconfigdirs="$noconfigdirs sim target-rda"
495 i[[3456789]]86-*-darwin*)
496 noconfigdirs="$noconfigdirs ld gprof"
497 noconfigdirs="$noconfigdirs sim target-rda"
499 x86_64-*-darwin[[912]]*)
500 noconfigdirs="$noconfigdirs ld gas gprof"
501 noconfigdirs="$noconfigdirs sim target-rda"
504 noconfigdirs="$noconfigdirs ld gas gdb gprof"
505 noconfigdirs="$noconfigdirs sim target-rda"
506 noconfigdirs="$noconfigdirs ${libgcj}"
508 *-*-freebsd[[12]] | *-*-freebsd[[12]].* | *-*-freebsd*aout*)
509 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
512 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
513 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
514 && test -f /usr/local/include/gmp.h; then
518 # Skip some stuff that's unsupported on some FreeBSD configurations.
524 noconfigdirs="$noconfigdirs ${libgcj}"
529 # Remove unsupported stuff on all kaOS configurations.
530 skipdirs="target-libiberty ${libgcj} target-libstdc++-v3 target-librx"
531 skipdirs="$skipdirs target-libobjc target-examples target-groff target-gperf"
532 skipdirs="$skipdirs zlib fastjar target-libjava target-boehm-gc target-zlib"
533 noconfigdirs="$noconfigdirs target-libgloss"
536 # Skip some stuff on all NetBSD configurations.
537 noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss"
539 # Skip some stuff that's unsupported on some NetBSD configurations.
541 i*86-*-netbsdelf*) ;;
542 arm*-*-netbsdelf*) ;;
544 noconfigdirs="$noconfigdirs ${libgcj}"
549 noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss ${libgcj} target-libmudflap"
552 skipdirs="${skipdirs} target-libiberty"
553 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
555 # The tpf target doesn't support gdb yet.
557 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libiberty ${libgcj} target-libmudflap gdb tcl tk libgui itcl"
560 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-rda ${libgcj}"
563 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libiberty target-libstdc++-v3 ${libgcj}"
566 # ld works, but does not support shared libraries.
567 # newlib is not 64 bit ready. I'm not sure about fileutils.
568 # gas doesn't generate exception information.
569 noconfigdirs="$noconfigdirs gas ld fileutils target-newlib target-libgloss"
572 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
575 # newlib is not 64 bit ready
576 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
579 # newlib is not 64 bit ready
580 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
583 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
586 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
588 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
589 noconfigdirs="$noconfigdirs ${libgcj}"
590 noconfigdirs="$noconfigdirs target-examples"
591 noconfigdirs="$noconfigdirs target-libiberty texinfo send-pr"
592 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
593 noconfigdirs="$noconfigdirs expect dejagnu"
594 # the C++ libraries don't build on top of CE's C libraries
595 noconfigdirs="$noconfigdirs target-libstdc++-v3"
596 noconfigdirs="$noconfigdirs target-newlib"
598 *-*-cygwin*) ;; # keep gdb and readline
599 *) noconfigdirs="$noconfigdirs gdb readline"
605 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
609 arm-*-coff | strongarm-*-coff | xscale-*-coff)
610 noconfigdirs="$noconfigdirs ${libgcj}"
613 arm-*-elf* | strongarm-*-elf* | xscale-*-elf* | arm*-*-eabi* )
614 noconfigdirs="$noconfigdirs target-libffi target-qthreads"
617 arm*-*-linux-gnueabi)
618 noconfigdirs="$noconfigdirs target-qthreads"
619 case ${with_newlib} in
620 no) noconfigdirs="$noconfigdirs target-newlib target-libgloss"
625 noconfigdirs="$noconfigdirs ${libgcj} target-libiberty"
629 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
632 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
635 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
638 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
641 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
644 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj} target-libssp"
647 unsupported_languages="$unsupported_languages java"
648 noconfigdirs="$noconfigdirs target-boehm-gc gdb"
649 if test x${is_cross_compiler} != xno ; then
650 target_configdirs="${target_configdirs} target-bsp target-cygmon"
654 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
656 c54x*-*-* | tic54x-*-*)
657 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj} gcc gdb newlib"
660 noconfigdirs="$noconfigdirs ${libgcj} gdb"
662 cris-*-* | crisv32-*-*)
663 unsupported_languages="$unsupported_languages java"
666 unsupported_languages="$unsupported_languages fortran"
667 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";;
669 noconfigdirs="$noconfigdirs target-boehm-gc";;
671 noconfigdirs="$noconfigdirs target-newlib target-libgloss";;
673 unsupported_languages="$unsupported_languages fortran"
674 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss";;
679 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-mudflap ${libgcj}"
682 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
685 noconfigdirs="$noconfigdirs ${libgcj} gdb"
687 ep9312-*-elf | ep9312-*-coff)
691 noconfigdirs="$noconfigdirs ${libgcj} gdb"
694 noconfigdirs="$noconfigdirs ${libgcj}"
697 noconfigdirs="$noconfigdirs ${libgcj}"
698 noconfigdirs="$noconfigdirs gprof"
701 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
704 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
706 hppa1.1-*-osf* | hppa1.1-*-bsd* )
708 hppa*64*-*-linux* | parisc*64*-*-linux*)
709 # In this case, it's because the hppa64-linux target is for
710 # the kernel only at this point and has no libc, and thus no
711 # headers, crt*.o, etc., all of which are needed by these.
712 noconfigdirs="$noconfigdirs target-zlib"
714 parisc*-*-linux* | hppa*-*-linux*)
720 noconfigdirs="$noconfigdirs ${libgcj}"
723 noconfigdirs="$noconfigdirs ld shellutils"
729 # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
730 # build on HP-UX 10.20.
731 noconfigdirs="$noconfigdirs ld shellutils ${libgcj}"
734 noconfigdirs="$noconfigdirs ${libgcj} gdb"
737 # No gdb support yet.
738 noconfigdirs="$noconfigdirs readline mmalloc libgui itcl gdb"
741 # No gdb or ld support yet.
742 noconfigdirs="$noconfigdirs ${libgcj} readline mmalloc libgui itcl gdb ld"
745 # No gdb or ld support yet.
746 noconfigdirs="$noconfigdirs ${libgcj} tix readline mmalloc libgui itcl gdb ld"
750 i[[3456789]]86-*-coff | i[[3456789]]86-*-elf)
751 noconfigdirs="$noconfigdirs ${libgcj}"
754 i[[3456789]]86-*-linux*)
755 # The GCC port for glibc1 has no MD_FALLBACK_FRAME_STATE_FOR, so let's
756 # not build java stuff by default.
759 noconfigdirs="$noconfigdirs ${libgcj}";;
762 # This section makes it possible to build newlib natively on linux.
763 # If we are using a cross compiler then don't configure newlib.
764 if test x${is_cross_compiler} != xno ; then
765 noconfigdirs="$noconfigdirs target-newlib"
767 noconfigdirs="$noconfigdirs target-libgloss"
768 # If we are not using a cross compiler, do configure newlib.
769 # Note however, that newlib will only be configured in this situation
770 # if the --with-newlib option has been given, because otherwise
771 # 'target-newlib' will appear in skipdirs.
773 i[[3456789]]86-w64-mingw*)
774 noconfigdirs="$noconfigdirs expect target-libgloss target-newlib ${libgcj}"
776 i[[3456789]]86-*-mingw*)
777 target_configdirs="$target_configdirs target-winsup"
778 noconfigdirs="$noconfigdirs expect target-libgloss target-newlib ${libgcj}"
781 noconfigdirs="$noconfigdirs expect target-libgloss target-newlib ${libgcj}"
784 target_configdirs="$target_configdirs target-libtermcap target-winsup"
785 noconfigdirs="$noconfigdirs target-gperf target-libgloss"
786 # always build newlib if winsup directory is present.
787 if test -d "$srcdir/winsup/cygwin"; then
788 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
789 elif test -d "$srcdir/newlib"; then
790 echo "Warning: winsup/cygwin is missing so newlib can't be built."
793 i[[3456789]]86-moss-msdos | i[[3456789]]86-*-moss* | \
794 i[[3456789]]86-*-uwin* | i[[3456789]]86-*-interix* )
797 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
799 i[[3456789]]86-*-sco3.2v5*)
800 # The linker does not yet know about weak symbols in COFF,
801 # and is not configured to handle mixed ELF and COFF.
802 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
804 i[[3456789]]86-*-sco*)
805 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
807 i[[3456789]]86-*-solaris2*)
808 noconfigdirs="$noconfigdirs target-libgloss"
810 i[[3456789]]86-*-sysv4*)
811 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
813 i[[3456789]]86-*-beos*)
814 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
816 i[[3456789]]86-*-rdos*)
817 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
820 noconfigdirs="$noconfigdirs ${libgcj}"
822 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
823 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
827 noconfigdirs="$noconfigdirs ${libgcj}"
830 noconfigdirs="$noconfigdirs ${libgcj}"
836 # The EPOC C++ environment does not support exceptions or rtti,
837 # and so building libstdc++-v3 tends not to always work.
838 noconfigdirs="$noconfigdirs target-libstdc++-v3"
841 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc gdb libgloss"
842 unsupported_languages="$unsupported_languages fortran java"
845 noconfigdirs="$noconfigdirs ${libgcj}"
848 noconfigdirs="$noconfigdirs ${libgcj}"
851 noconfigdirs="$noconfigdirs sim"
854 # copied from rs6000-*-* entry
855 noconfigdirs="$noconfigdirs gprof target-libgloss target-libssp target-newlib ${libgcj}"
857 powerpc*-*-winnt* | powerpc*-*-pe* | ppc*-*-pe)
858 target_configdirs="$target_configdirs target-winsup"
859 noconfigdirs="$noconfigdirs gdb tcl tk make expect target-libgloss itcl gnuserv ${libgcj}"
860 # always build newlib.
861 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
863 # This is temporary until we can link against shared libraries
864 powerpcle-*-solaris*)
865 noconfigdirs="$noconfigdirs gdb sim make tcl tk expect itcl gnuserv ${libgcj}"
869 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
872 noconfigdirs="$noconfigdirs ${libgcj}"
875 powerpc-*-eabi* | powerpcle-*-eabi* | powerpc-*-rtems* )
879 noconfigdirs="$noconfigdirs target-newlib gprof ${libgcj}"
882 noconfigdirs="$noconfigdirs gprof target-libgloss target-libssp target-newlib ${libgcj}"
885 noconfigdirs="$noconfigdirs gprof ${libgcj}"
888 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss ${libgcj}"
891 noconfigdirs="$noconfigdirs gprof ${libgcj}"
894 skipdirs="$skipdirs target-libiberty"
895 noconfigdirs="$noconfigdirs ${libgcj}"
896 if test x$with_newlib = xyes; then
897 noconfigdirs="$noconfigdirs gprof"
902 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
905 # Linking libjava exceeds command-line length limits on at least
906 # IRIX 6.2, but not on IRIX 6.5.
907 # Also, boehm-gc won't build on IRIX 6.5, according to Jeffrey Oldham
908 # <oldham@codesourcery.com>
909 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
912 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
915 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
918 noconfigdirs="$noconfigdirs gprof ${libgcj}"
922 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes target-libgloss ${libgcj}"
926 i[[3456789]]86-*-vsta) ;; # don't add gprof back in
927 i[[3456789]]86-*-go32*) ;; # don't add gprof back in
928 i[[3456789]]86-*-msdosdjgpp*) ;; # don't add gprof back in
929 *) skipdirs=`echo " ${skipdirs} " | sed -e 's/ gprof / /'` ;;
933 noconfigdirs="$noconfigdirs ${libgcj}" ;;
935 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}" ;;
938 sparclet-*-aout* | sparc86x-*-*)
942 noconfigdirs="$noconfigdirs ${libgcj}"
945 noconfigdirs="$noconfigdirs ${libgcj}"
949 noconfigdirs="$noconfigdirs ${libgcj}"
953 noconfigdirs="$noconfigdirs ${libgcj}"
954 if test x${is_cross_compiler} != xno ; then
955 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
960 sparc-*-solaris2.[[0-6]] | sparc-*-solaris2.[[0-6]].*)
961 noconfigdirs="$noconfigdirs ${libgcj}"
963 sparc-*-solaris* | sparc64-*-solaris* | sparcv9-*-solaris*)
966 noconfigdirs="$noconfigdirs gdb sim ${libgcj}"
969 noconfigdirs="$noconfigdirs bfd binutils gas gcc gdb ld target-libstdc++-v3 opcodes target-libgloss ${libgcj}"
972 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
975 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
978 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
981 noconfigdirs="$noconfigdirs bfd binutils gdb ld target-newlib opcodes target-libgloss ${libgcj}"
984 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
987 noconfigdirs="$noconfigdirs ${libgcj}"
990 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
992 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
993 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
996 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
999 noconfigdirs="$noconfigdirs ${libgcj}"
1003 # If we aren't building newlib, then don't build libgloss, since libgloss
1004 # depends upon some newlib header files.
1005 case "${noconfigdirs}" in
1006 *target-libgloss*) ;;
1007 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
1010 # Work in distributions that contain no compiler tools, like Autoconf.
1012 host_makefile_frag=/dev/null
1013 if test -d ${srcdir}/config ; then
1016 # Avoid "too much defining" errors from HPUX compiler.
1017 tentative_cc="cc -Wp,-H256000"
1018 # If "ar" in $PATH is GNU ar, the symbol table may need rebuilding.
1019 # If it's HP/UX ar, this should be harmless.
1023 tentative_cc="cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DUSG"
1026 #None of the Apollo compilers can compile gas or binutils. The preprocessor
1027 # chokes on bfd, the compiler won't let you assign integers to enums, and
1028 # other problems. Defining CC to gcc is a questionable way to say "don't use
1029 # the apollo compiler" (the preferred version of GCC could be called cc,
1030 # or whatever), but I'm not sure leaving CC as cc is any better...
1031 #CC=cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DNO_STDARG
1032 # Used to have BISON=yacc.
1036 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
1039 # Under CX/UX, we want to tell the compiler to use ANSI mode.
1040 tentative_cc="cc -Xa"
1041 host_makefile_frag="config/mh-cxux"
1043 m88k-motorola-sysv*)
1046 tentative_cc="cc -Wf,-XNg1000"
1047 host_makefile_frag="config/mh-decstation"
1050 # The C compiler on NEC MIPS SVR4 needs bigger tables.
1051 tentative_cc="cc -ZXNd=5000 -ZXNg=1000"
1052 host_makefile_frag="config/mh-necv4"
1055 # Tell compiler to use K&R C. We can't compile under the SGI Ansi
1056 # environment. Also bump switch table size so that cp-parse will
1057 # compile. Bump string length limit so linker builds.
1058 tentative_cc="cc -cckr -Wf,-XNg1500 -Wf,-XNk1000 -Wf,-XNh2000 -Wf,-XNl8192"
1061 host_makefile_frag="config/mh-sysv4"
1064 # This is for a MIPS running RISC/os 4.52C.
1066 # This is needed for GDB, but needs to be in the top-level make because
1067 # if a library is compiled with the bsd headers and gets linked with the
1068 # sysv system libraries all hell can break loose (e.g. a jmp_buf might be
1069 # a different size).
1070 # ptrace(2) apparently has problems in the BSD environment. No workaround is
1071 # known except to select the sysv environment. Could we use /proc instead?
1072 # These "sysv environments" and "bsd environments" often end up being a pain.
1074 # This is not part of CFLAGS because perhaps not all C compilers have this
1076 tentative_cc="cc -systype sysv"
1081 i[[3456789]]86-*-sysv5*)
1082 host_makefile_frag="config/mh-sysv5"
1084 i[[3456789]]86-*-dgux*)
1085 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
1086 host_makefile_frag="config/mh-dgux386"
1088 i[[3456789]]86-ncr-sysv4.3*)
1089 # The MetaWare compiler will generate a copyright message unless you
1090 # turn it off by adding the -Hnocopyr flag.
1091 tentative_cc="cc -Hnocopyr"
1093 i[[3456789]]86-ncr-sysv4*)
1094 # for an NCR 3000 (i486/SVR4) system.
1095 # The NCR 3000 ships with a MetaWare compiler installed as /bin/cc.
1096 # This compiler not only emits obnoxious copyright messages every time
1097 # you run it, but it chokes and dies on a whole bunch of GNU source
1098 # files. Default to using the AT&T compiler installed in /usr/ccs/ATT/cc.
1099 tentative_cc="/usr/ccs/ATT/cc"
1100 host_makefile_frag="config/mh-ncr3000"
1102 i[[3456789]]86-*-sco3.2v5*)
1104 i[[3456789]]86-*-sco*)
1105 # The native C compiler botches some simple uses of const. Unfortunately,
1106 # it doesn't defined anything like "__sco__" for us to test for in ansidecl.h.
1107 tentative_cc="cc -Dconst="
1108 host_makefile_frag="config/mh-sco"
1110 i[[3456789]]86-*-udk*)
1111 host_makefile_frag="config/mh-sysv5"
1113 i[[3456789]]86-*-solaris2*)
1114 host_makefile_frag="config/mh-sysv4"
1116 i[[3456789]]86-*-msdosdjgpp*)
1117 host_makefile_frag="config/mh-djgpp"
1120 ACX_CHECK_CYGWIN_CAT_WORKS
1121 host_makefile_frag="config/mh-cygwin"
1124 host_makefile_frag="config/mh-mingw"
1127 host_makefile_frag="config/mh-interix"
1130 # The old BSD pcc isn't up to compiling parts of gdb so use gcc
1134 host_makefile_frag="config/mh-solaris"
1137 # Sun's C compiler needs the -J flag to be able to compile cp-parse.c
1138 # without overflowing the jump tables (-J says to use a 32 bit table)
1139 tentative_cc="cc -J"
1142 tentative_cc="cc -Wp,-H256000"
1143 host_makefile_frag="config/mh-pa-hpux10"
1145 hppa*-hp-hpux* | hppa*-*-hiux*)
1146 tentative_cc="cc -Wp,-H256000"
1147 host_makefile_frag="config/mh-pa"
1150 host_makefile_frag="config/mh-pa"
1152 *-hp-hpux* | *-*-hiux*)
1153 tentative_cc="cc -Wp,-H256000"
1156 # /bin/cc is less than useful for our purposes. Always use GCC
1157 tentative_cc="/usr/cygnus/progressive/bin/gcc"
1158 host_makefile_frag="config/mh-lynxrs6k"
1161 host_makefile_frag="config/mh-ppc-darwin"
1164 host_makefile_frag="config/mh-ppc-aix"
1167 host_makefile_frag="config/mh-ppc-aix"
1170 # /bin/cc is less than useful for our purposes. Always use GCC
1171 tentative_cc="/bin/gcc"
1174 host_makefile_frag="config/mh-sysv4"
1176 # This is placed last to prevent interfering with the cases above.
1178 # Build the stage2 and stage3 compilers with -fomit-frame-pointer.
1179 host_makefile_frag="config/mh-x86omitfp"
1184 # If we aren't going to be using gcc, see if we can extract a definition
1185 # of CC from the fragment.
1186 # Actually, use the 'pre-extracted' version above.
1187 if test -z "${CC}" && test "${build}" = "${host}" ; then
1188 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
1190 for dir in $PATH; do
1191 test -z "$dir" && dir=.
1192 if test -f $dir/gcc; then
1198 if test -z "${found}" && test -n "${tentative_cc}" ; then
1203 if test "${build}" != "${host}" ; then
1204 AR_FOR_BUILD=${AR_FOR_BUILD-ar}
1205 AS_FOR_BUILD=${AS_FOR_BUILD-as}
1206 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
1207 CXX_FOR_BUILD=${CXX_FOR_BUILD-g++}
1208 GCJ_FOR_BUILD=${GCJ_FOR_BUILD-gcj}
1209 GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran}
1210 DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool}
1211 LD_FOR_BUILD=${LD_FOR_BUILD-ld}
1212 NM_FOR_BUILD=${NM_FOR_BUILD-nm}
1213 RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib}
1214 WINDRES_FOR_BUILD=${WINDRES_FOR_BUILD-windres}
1215 WINDMC_FOR_BUILD=${WINDMC_FOR_BUILD-windmc}
1217 AR_FOR_BUILD="\$(AR)"
1218 AS_FOR_BUILD="\$(AS)"
1219 CC_FOR_BUILD="\$(CC)"
1220 CXX_FOR_BUILD="\$(CXX)"
1221 GCJ_FOR_BUILD="\$(GCJ)"
1222 GFORTRAN_FOR_BUILD="\$(GFORTRAN)"
1223 DLLTOOL_FOR_BUILD="\$(DLLTOOL)"
1224 LD_FOR_BUILD="\$(LD)"
1225 NM_FOR_BUILD="\$(NM)"
1226 RANLIB_FOR_BUILD="\$(RANLIB)"
1227 WINDRES_FOR_BUILD="\$(WINDRES)"
1228 WINDMC_FOR_BUILD="\$(WINDMC)"
1234 # We must set the default linker to the linker used by gcc for the correct
1235 # operation of libtool. If LD is not defined and we are using gcc, try to
1236 # set the LD default to the ld used by gcc.
1237 if test -z "$LD"; then
1238 if test "$GCC" = yes; then
1241 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1243 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1245 case $gcc_prog_ld in
1246 # Accept absolute paths.
1247 [[\\/]* | [A-Za-z]:[\\/]*)]
1248 LD="$gcc_prog_ld" ;;
1254 ACX_PROG_CMP_IGNORE_INITIAL
1256 # See if we are building gcc with C++.
1257 AC_ARG_ENABLE(build-with-cxx,
1258 [ --enable-build-with-cxx build with C++ compiler instead of C compiler],
1259 ENABLE_BUILD_WITH_CXX=$enableval,
1260 ENABLE_BUILD_WITH_CXX=no)
1262 # Used for setting $lt_cv_objdir
1265 # Check for GMP, MPFR and MPC
1266 gmplibs="-lmpc -lmpfr -lgmp"
1270 # Specify a location for mpc
1271 # check for this first so it ends up on the link line before mpfr.
1272 AC_ARG_WITH(mpc, [ --with-mpc=PATH specify prefix directory for installed MPC package.
1273 Equivalent to --with-mpc-include=PATH/include
1274 plus --with-mpc-lib=PATH/lib])
1275 AC_ARG_WITH(mpc_include, [ --with-mpc-include=PATH
1276 specify directory for installed MPC include files])
1277 AC_ARG_WITH(mpc_lib, [ --with-mpc-lib=PATH specify directory for the installed MPC library])
1279 if test "x$with_mpc" != x; then
1280 gmplibs="-L$with_mpc/lib $gmplibs"
1281 gmpinc="-I$with_mpc/include $gmpinc"
1283 if test "x$with_mpc_include" != x; then
1284 gmpinc="-I$with_mpc_include $gmpinc"
1286 if test "x$with_mpc_lib" != x; then
1287 gmplibs="-L$with_mpc_lib $gmplibs"
1289 if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then
1290 gmplibs='-L$$r/$(HOST_SUBDIR)/mpc/src/'"$lt_cv_objdir $gmplibs"
1291 gmpinc='-I$$s/mpc/src '"$gmpinc"
1292 # Do not test the mpc version. Assume that it is sufficient, since
1293 # it is in the source tree, and the library has not been built yet
1294 # but it would be included on the link line in the version check below
1295 # hence making the test fail.
1299 # Specify a location for mpfr
1300 # check for this first so it ends up on the link line before gmp.
1301 AC_ARG_WITH(mpfr-dir, [ --with-mpfr-dir=PATH this option has been REMOVED],
1302 AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed.
1303 Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH]))
1305 AC_ARG_WITH(mpfr, [ --with-mpfr=PATH specify prefix directory for installed MPFR package.
1306 Equivalent to --with-mpfr-include=PATH/include
1307 plus --with-mpfr-lib=PATH/lib])
1308 AC_ARG_WITH(mpfr_include, [ --with-mpfr-include=PATH
1309 specify directory for installed MPFR include files])
1310 AC_ARG_WITH(mpfr_lib, [ --with-mpfr-lib=PATH specify directory for the installed MPFR library])
1312 if test "x$with_mpfr" != x; then
1313 gmplibs="-L$with_mpfr/lib $gmplibs"
1314 gmpinc="-I$with_mpfr/include $gmpinc"
1316 if test "x$with_mpfr_include" != x; then
1317 gmpinc="-I$with_mpfr_include $gmpinc"
1319 if test "x$with_mpfr_lib" != x; then
1320 gmplibs="-L$with_mpfr_lib $gmplibs"
1322 if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then
1323 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir $gmplibs"
1324 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr -I$$s/mpfr '"$gmpinc"
1325 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir"
1326 # Do not test the mpfr version. Assume that it is sufficient, since
1327 # it is in the source tree, and the library has not been built yet
1328 # but it would be included on the link line in the version check below
1329 # hence making the test fail.
1333 # Specify a location for gmp
1334 AC_ARG_WITH(gmp-dir, [ --with-gmp-dir=PATH this option has been REMOVED],
1335 AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed.
1336 Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH]))
1338 AC_ARG_WITH(gmp, [ --with-gmp=PATH specify prefix directory for the installed GMP package.
1339 Equivalent to --with-gmp-include=PATH/include
1340 plus --with-gmp-lib=PATH/lib])
1341 AC_ARG_WITH(gmp_include, [ --with-gmp-include=PATH specify directory for installed GMP include files])
1342 AC_ARG_WITH(gmp_lib, [ --with-gmp-lib=PATH specify directory for the installed GMP library])
1345 if test "x$with_gmp" != x; then
1346 gmplibs="-L$with_gmp/lib $gmplibs"
1347 gmpinc="-I$with_gmp/include $gmpinc"
1349 if test "x$with_gmp_include" != x; then
1350 gmpinc="-I$with_gmp_include $gmpinc"
1352 if test "x$with_gmp_lib" != x; then
1353 gmplibs="-L$with_gmp_lib $gmplibs"
1355 if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then
1356 gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir $gmplibs"
1357 gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc"
1358 extra_mpfr_configure_flags='--with-gmp-build=$$r/$(HOST_SUBDIR)/gmp'
1359 extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
1360 # Do not test the gmp version. Assume that it is sufficient, since
1361 # it is in the source tree, and the library has not been built yet
1362 # but it would be included on the link line in the version check below
1363 # hence making the test fail.
1367 if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then
1369 saved_CFLAGS="$CFLAGS"
1370 CFLAGS="$CFLAGS $gmpinc"
1371 # Check for the recommended and required versions of GMP.
1372 AC_MSG_CHECKING([for the correct version of gmp.h])
1373 AC_TRY_COMPILE([#include "gmp.h"],[
1374 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1375 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1376 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,0)
1379 ], [AC_TRY_COMPILE([#include <gmp.h>],[
1380 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1381 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1382 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,3,2)
1385 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1386 [AC_MSG_RESULT([no]); have_gmp=no])
1388 # If we have GMP, check the MPFR version.
1389 if test x"$have_gmp" = xyes; then
1390 # Check for the recommended and required versions of MPFR.
1391 AC_MSG_CHECKING([for the correct version of mpfr.h])
1392 AC_TRY_COMPILE([#include <gmp.h>
1393 #include <mpfr.h>],[
1394 #if MPFR_VERSION < MPFR_VERSION_NUM(2,3,1)
1397 ], [AC_TRY_COMPILE([#include <gmp.h>
1398 #include <mpfr.h>],[
1399 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,2)
1402 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1403 [AC_MSG_RESULT([no]); have_gmp=no])
1406 # Check for the MPC header version.
1407 if test x"$have_gmp" = xyes ; then
1408 # Check for the recommended and required versions of MPC.
1409 AC_MSG_CHECKING([for the correct version of mpc.h])
1410 AC_TRY_COMPILE([#include <mpc.h>],[
1411 #if MPC_VERSION < MPC_VERSION_NUM(0,8,0)
1414 ], [AC_TRY_COMPILE([#include <mpc.h>],[
1415 #if MPC_VERSION < MPC_VERSION_NUM(0,8,1)
1418 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1419 [AC_MSG_RESULT([no]); have_gmp=no])
1422 # Now check the MPFR library.
1423 if test x"$have_gmp" = xyes; then
1425 LIBS="$LIBS $gmplibs"
1426 AC_MSG_CHECKING([for the correct version of the gmp/mpfr/mpc libraries])
1427 AC_TRY_LINK([#include <mpc.h>],[
1434 mpfr_atan2 (n, n, x, GMP_RNDN);
1435 mpfr_erfc (n, x, GMP_RNDN);
1436 mpfr_subnormalize (x, t, GMP_RNDN);
1440 mpc_set_ui_ui (c, 1, 1, MPC_RNDNN);
1441 mpc_cosh (c, c, MPC_RNDNN);
1442 mpc_pow (c, c, c, MPC_RNDNN);
1443 mpc_acosh (c, c, MPC_RNDNN);
1445 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1449 CFLAGS="$saved_CFLAGS"
1451 # The library versions listed in the error message below should match
1452 # the HARD-minimums enforced above.
1453 if test x$have_gmp != xyes; then
1454 AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 2.3.1+ and MPC 0.8.0+.
1455 Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify
1456 their locations. Source code for these libraries can be found at
1457 their respective hosting sites as well as at
1458 ftp://gcc.gnu.org/pub/gcc/infrastructure/. See also
1459 http://gcc.gnu.org/install/prerequisites.html for additional info. If
1460 you obtained GMP, MPFR and/or MPC from a vendor distribution package,
1461 make sure that you have installed both the libraries and the header
1462 files. They may be located in separate packages.])
1466 # Flags needed for both GMP, MPFR and/or MPC.
1469 AC_SUBST(extra_mpfr_configure_flags)
1470 AC_SUBST(extra_mpc_gmp_configure_flags)
1471 AC_SUBST(extra_mpc_mpfr_configure_flags)
1473 # Allow host libstdc++ to be specified for static linking with PPL.
1474 AC_ARG_WITH(host-libstdcxx, [ --with-host-libstdcxx=L Use linker arguments L to link with libstdc++
1475 when linking with PPL])
1477 case $with_host_libstdcxx in
1479 AC_MSG_ERROR([-with-host-libstdcxx needs an argument])
1483 # Linker flags to use for stage1 or when not boostrapping.
1484 AC_ARG_WITH(stage1-ldflags,
1485 [ --with-stage1-ldflags=FLAGS Linker flags for stage1],
1486 [if test "$withval" = "no" -o "$withval" = "yes"; then
1489 stage1_ldflags=$withval
1492 AC_SUBST(stage1_ldflags)
1494 # Libraries to use for stage1 or when not bootstrapping.
1495 AC_ARG_WITH(stage1-libs,
1496 [ -with-stage1-libs=LIBS Libraries for stage1],
1497 [if test "$withval" = "no" -o "$withval" = "yes"; then
1500 stage1_libs=$withval
1502 [stage1_libs=$with_host_libstdcxx])
1503 AC_SUBST(stage1_libs)
1505 # Libraries to use for stage2 and later builds. This defaults to the
1506 # argument passed to --with-host-libstdcxx.
1507 AC_ARG_WITH(boot-libs,
1508 [ --with-boot-libs=LIBS Libraries for stage2 and later],
1509 [if test "$withval" = "no" -o "$withval" = "yes"; then
1512 poststage1_libs=$withval
1514 [poststage1_libs=$with_host_libstdcxx])
1515 AC_SUBST(poststage1_libs)
1517 # Linker flags to use for stage2 and later builds.
1518 AC_ARG_WITH(boot-ldflags,
1519 [ --with-boot-ldflags=FLAGS Linker flags for stage2 and later],
1520 [if test "$withval" = "no" -o "$withval" = "yes"; then
1523 poststage1_ldflags=$withval
1525 [poststage1_ldflags=
1526 # With --enable-build-with-cxx, default to linking libstdc++ and
1527 # libgcc statically. But if the user explicitly specified the
1528 # libraries to use, trust that they are doing what they want.
1529 if test "$ENABLE_BUILD_WITH_CXX" = "yes" -a "$poststage1_libs" = ""; then
1530 poststage1_ldflags="-static-libstdc++ -static-libgcc"
1532 AC_SUBST(poststage1_ldflags)
1535 ppllibs=" -lppl_c -lppl -lgmpxx"
1538 AC_ARG_WITH(ppl, [ --with-ppl=PATH Specify prefix directory for the installed PPL package
1539 Equivalent to --with-ppl-include=PATH/include
1540 plus --with-ppl-lib=PATH/lib])
1541 AC_ARG_WITH(ppl_include, [ --with-ppl-include=PATH Specify directory for installed PPL include files])
1542 AC_ARG_WITH(ppl_lib, [ --with-ppl-lib=PATH Specify the directory for the installed PPL library])
1551 ppllibs="-L$with_ppl/lib -lppl_c -lppl -lgmpxx"
1552 pplinc="-I$with_ppl/include $pplinc"
1555 if test "x$with_ppl_include" != x; then
1556 pplinc="-I$with_ppl_include $pplinc"
1558 if test "x$with_ppl_lib" != x; then
1559 ppllibs="-L$with_ppl_lib -lppl_c -lppl -lgmpxx"
1561 if test "x$with_ppl$with_ppl_include$with_ppl_lib" = x && test -d ${srcdir}/ppl; then
1562 ppllibs='-L$$r/$(HOST_SUBDIR)/ppl/interfaces/C/'"$lt_cv_objdir"' -L$$r/$(HOST_SUBDIR)/ppl/src/'"$lt_cv_objdir"' -lppl_c -lppl -lgmpxx '
1563 pplinc='-I$$r/$(HOST_SUBDIR)/ppl/src -I$$r/$(HOST_SUBDIR)/ppl/interfaces/C '
1564 enable_ppl_version_check=no
1567 AC_ARG_ENABLE(ppl-version-check,
1568 [ --disable-ppl-version-check disable check for PPL version],
1569 ENABLE_PPL_CHECK=$enableval,
1570 ENABLE_PPL_CHECK=yes)
1572 if test "x$with_ppl" != "xno" -a "${ENABLE_PPL_CHECK}" = "yes"; then
1573 saved_CFLAGS="$CFLAGS"
1574 CFLAGS="$CFLAGS $pplinc $gmpinc"
1575 AC_MSG_CHECKING([for version 0.10 (or later revision) of PPL])
1576 AC_TRY_COMPILE([#include "ppl_c.h"],[
1577 #if PPL_VERSION_MAJOR != 0 || PPL_VERSION_MINOR < 10
1580 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); ppllibs= ; pplinc= ; with_ppl=no ])
1581 CFLAGS="$saved_CFLAGS"
1584 # Flags needed for PPL
1590 clooglibs=" -lcloog "
1591 clooginc=" -DCLOOG_PPL_BACKEND "
1593 AC_ARG_WITH(cloog, [ --with-cloog=PATH Specify prefix directory for the installed CLooG-PPL package
1594 Equivalent to --with-cloog-include=PATH/include
1595 plus --with-cloog-lib=PATH/lib])
1596 AC_ARG_WITH(cloog_include, [ --with-cloog-include=PATH Specify directory for installed CLooG include files])
1597 AC_ARG_WITH(cloog_lib, [ --with-cloog-lib=PATH Specify the directory for the installed CLooG library])
1599 if test "x$with_ppl" = "xno"; then
1611 clooglibs="-L$with_cloog/lib -lcloog"
1612 clooginc="-I$with_cloog/include -DCLOOG_PPL_BACKEND "
1615 if test "x$with_cloog_include" != x; then
1616 clooginc="-I$with_cloog_include -DCLOOG_PPL_BACKEND "
1618 if test "x$with_cloog_lib" != x; then
1619 clooglibs="-L$with_cloog_lib -lcloog"
1621 if test "x$with_cloog$with_cloog_include$with_cloog_lib" = x && test -d ${srcdir}/cloog; then
1622 clooglibs='-L$$r/$(HOST_SUBDIR)/cloog/'"$lt_cv_objdir"' -lcloog '
1623 clooginc='-I$$r/$(HOST_SUBDIR)/cloog/include -I$$s/cloog/include -DCLOOG_PPL_BACKEND '
1624 enable_cloog_version_check=no
1627 AC_ARG_ENABLE(cloog-version-check,
1628 [ --disable-cloog-version-check disable check for CLooG version],
1629 ENABLE_CLOOG_CHECK=$enableval,
1630 ENABLE_CLOOG_CHECK=yes)
1632 if test "x$with_cloog" != "xno" -a "${ENABLE_CLOOG_CHECK}" = "yes"; then
1633 saved_CFLAGS="$CFLAGS"
1634 CFLAGS="$CFLAGS $clooginc $gmpinc $pplinc"
1635 AC_MSG_CHECKING([for version 0.15.5 (or later revision) of CLooG])
1636 AC_TRY_COMPILE([#include "cloog/cloog.h"],[
1637 #if CLOOG_VERSION_MAJOR != 0 || CLOOG_VERSION_MINOR != 15 || CLOOG_VERSION_REVISION < 5
1640 ], [AC_TRY_COMPILE([#include "cloog/cloog.h"],[
1641 #if CLOOG_VERSION_MAJOR != 0 || CLOOG_VERSION_MINOR != 15 || CLOOG_VERSION_REVISION < 9
1644 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1645 [AC_MSG_RESULT([no]); clooglibs= ; clooginc= ])
1646 CFLAGS="$saved_CFLAGS"
1649 # Flags needed for CLOOG
1653 # Check for LTO support.
1655 [ --enable-lto enable link time optimization support],
1656 enable_lto=$enableval,
1657 enable_lto=yes; default_enable_lto=yes)
1660 ACX_ELF_TARGET_IFELSE([if test x"$enable_lto" = x"yes" ; then
1661 # Make sure that libelf.h and gelf.h are available.
1662 AC_ARG_WITH(libelf, [ --with-libelf=PATH Specify prefix directory for the installed libelf package
1663 Equivalent to --with-libelf-include=PATH/include
1664 plus --with-libelf-lib=PATH/lib])
1666 AC_ARG_WITH(libelf_include, [ --with-libelf-include=PATH Specify directory for installed libelf include files])
1668 AC_ARG_WITH(libelf_lib, [ --with-libelf-lib=PATH Specify the directory for the installed libelf library])
1670 saved_CFLAGS="$CFLAGS"
1671 saved_CPPFLAGS="$CPPFLAGS"
1674 case $with_libelf in
1677 libelfinc="-I/usr/include/libelf"
1680 libelflibs="-L$with_libelf/lib -lelf"
1681 libelfinc="-I$with_libelf/include -I$with_libelf/include/libelf"
1682 LIBS="$libelflibs $LIBS"
1686 if test "x$with_libelf_include" != x; then
1687 libelfinc="-I$with_libelf_include"
1690 if test "x$with_libelf_lib" != x; then
1691 libelflibs="-L$with_libelf_lib -lelf"
1692 LIBS="$libelflibs $LIBS"
1695 if test "x$with_libelf$with_libelf_include$with_libelf_lib" = x \
1696 && test -d ${srcdir}/libelf; then
1697 libelflibs='-L$$r/$(HOST_SUBDIR)/libelf/lib -lelf '
1698 libelfinc='-D__LIBELF_INTERNAL__ -I$$r/$(HOST_SUBDIR)/libelf/lib -I$$s/libelf/lib'
1699 LIBS="$libelflibs $LIBS"
1703 CFLAGS="$CFLAGS $libelfinc"
1704 CPPFLAGS="$CPPFLAGS $libelfinc"
1705 LIBS="$LIBS $libelflibs"
1707 AC_CHECK_HEADERS(libelf.h, [have_libelf_h=yes])
1708 AC_CHECK_HEADERS(gelf.h, [have_gelf_h=yes])
1710 AC_CHECK_HEADERS(libelf/libelf.h, [have_libelf_libelf_h=yes])
1711 AC_CHECK_HEADERS(libelf/gelf.h, [have_libelf_gelf_h=yes])
1713 # If we couldn't find libelf.h and the user forced it, emit an error.
1714 if test x"$have_libelf_h" != x"yes" \
1715 && test x"$have_libelf_libelf_h" != x"yes" ; then
1716 if test x"$default_enable_lto" != x"yes" ; then
1717 AC_MSG_ERROR([LTO support requires libelf.h or libelf/libelf.h.])
1725 # If we couldn't find gelf.h and the user forced it, emit an error.
1726 if test x"$have_gelf_h" != x"yes" \
1727 && test x"$have_libelf_gelf_h" != x"yes" ; then
1728 if test x"$default_enable_lto" != x"yes" ; then
1729 AC_MSG_ERROR([LTO support requires gelf.h or libelf/gelf.h.])
1737 # Check that the detected libelf has the functions we need. We cannot
1738 # rely on just detecting the headers since they do not include
1739 # versioning information. Add functions, if needed.
1740 if test x"$enable_lto" = x"yes" ; then
1741 AC_MSG_CHECKING([for the correct version of libelf])
1743 [#include <libelf.h>],[
1747 elf_strptr (0, 0, 0);
1748 elf_getident (0, 0);
1749 elf_begin (0, 0, 0);
1753 [AC_MSG_RESULT([yes]);],
1754 [AC_MSG_RESULT([no]); enable_lto=no; libelflibs= ; libelfinc= ]
1757 # Check for elf_getshdrstrndx or elf_getshstrndx. The latter's flavor
1758 # is determined in gcc/configure.ac.
1759 if test x"$enable_lto" = x"yes" ; then
1760 AC_MSG_CHECKING([for elf_getshdrstrndx])
1762 [#include <libelf.h>],[
1763 elf_getshdrstrndx (0, 0);
1765 [AC_MSG_RESULT([yes]);],
1766 [AC_MSG_RESULT([no]);
1767 AC_MSG_CHECKING([for elf_getshstrndx])
1769 [#include <libelf.h>],[
1770 elf_getshstrndx (0, 0);
1772 [AC_MSG_RESULT([yes]);],
1773 [AC_MSG_RESULT([no]); enable_lto=no; libelflibs= ; libelfinc= ]
1778 # If we couldn't enable LTO and the user forced it, emit an error.
1779 if test x"$enable_lto" = x"no" \
1780 && test x"$default_enable_lto" != x"yes" ; then
1781 AC_MSG_ERROR([To enable LTO, GCC requires libelf v0.8.12+.
1782 Try the --with-libelf, --with-libelf-include and --with-libelf-lib options
1783 to specify its location.])
1787 CFLAGS="$saved_CFLAGS"
1788 CPPFLAGS="$saved_CPPFLAGS"
1793 # Flags needed for libelf.
1794 AC_SUBST(libelflibs)
1796 fi],[if test x"$default_enable_lto" = x"yes" ; then
1797 # On non-ELF platforms, LTO must be explicitly enabled.
1800 # Apart from ELF platforms, only Windows supports LTO so far. It
1801 # would also be nice to check the binutils support, but we don't
1802 # have gcc_GAS_CHECK_FEATURE available here. For now, we'll just
1803 # warn during gcc/ subconfigure; unless you're bootstrapping with
1804 # -flto it won't be needed until after installation anyway.
1806 *-cygwin*|*-mingw*) ;;
1808 *) if test x"$enable_lto" = x"yes"; then
1809 AC_MSG_ERROR([LTO support is not enabled for this target.])
1814 default_enable_lto=no])
1817 # By default, C is the only stage 1 language.
1818 stage1_languages=,c,
1820 # Target libraries that we bootstrap.
1821 bootstrap_target_libs=,target-libgcc,
1823 # Figure out what language subdirectories are present.
1824 # Look if the user specified --enable-languages="..."; if not, use
1825 # the environment variable $LANGUAGES if defined. $LANGUAGES might
1827 # NB: embedded tabs in this IF block -- do not untabify
1828 if test -d ${srcdir}/gcc; then
1829 if test x"${enable_languages+set}" != xset; then
1830 if test x"${LANGUAGES+set}" = xset; then
1831 enable_languages="${LANGUAGES}"
1832 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1834 enable_languages=all
1837 if test x"${enable_languages}" = x ||
1838 test x"${enable_languages}" = xyes;
1840 echo configure.in: --enable-languages needs at least one language argument 1>&2
1844 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1846 # 'f95' is the old name for the 'fortran' language. We issue a warning
1847 # and make the substitution.
1848 case ,${enable_languages}, in
1850 echo configure.in: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2
1851 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'`
1855 # First scan to see if an enabled language requires some other language.
1856 # We assume that a given config-lang.in will list all the language
1857 # front ends it requires, even if some are required indirectly.
1858 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1859 case ${lang_frag} in
1861 # The odd quoting in the next line works around
1862 # an apparent bug in bash 1.12 on linux.
1863 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1865 # From the config-lang.in, get $language, $lang_requires
1869 for other in ${lang_requires} ; do
1870 case ,${enable_languages}, in
1874 echo " \`$other' language required by \`$language'; enabling" 1>&2
1875 enable_languages="${enable_languages},${other}"
1883 new_enable_languages=,c,
1885 # If LTO is enabled, add the LTO front end.
1886 extra_host_libiberty_configure_flags=
1887 if test "$enable_lto" = "yes" ; then
1888 case ,${enable_languages}, in
1890 *) enable_languages="${enable_languages},lto" ;;
1892 if test "${ENABLE_GOLD}" = "yes" ; then
1893 configdirs="$configdirs lto-plugin"
1894 extra_host_libiberty_configure_flags=--enable-shared
1897 AC_SUBST(extra_host_libiberty_configure_flags)
1899 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
1900 potential_languages=,c,
1902 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1903 case ${lang_frag} in
1905 # The odd quoting in the next line works around
1906 # an apparent bug in bash 1.12 on linux.
1907 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1909 # From the config-lang.in, get $language, $target_libs,
1910 # $lang_dirs, $boot_language, and $build_by_default
1916 build_by_default=yes
1918 if test x${language} = x; then
1919 echo "${lang_frag} doesn't set \$language." 1>&2
1923 if test "$language" = "c++" \
1924 && test "$ENABLE_BUILD_WITH_CXX" = "yes"; then
1928 case ,${enable_languages}, in
1930 # Language was explicitly selected; include it.
1934 # 'all' was selected, select it if it is a default language
1935 add_this_lang=${build_by_default}
1942 # Disable languages that need other directories if these aren't available.
1943 for i in $subdir_requires; do
1944 test -f "$srcdir/gcc/$i/config-lang.in" && continue
1945 case ,${enable_languages}, in
1947 # Specifically requested language; tell them.
1948 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing])
1952 add_this_lang=unsupported
1957 # Disable Ada if no preexisting GNAT is available.
1958 case ,${enable_languages},:${language}:${have_gnat} in
1959 *,${language},*:ada:no)
1960 # Specifically requested language; tell them.
1961 AC_MSG_ERROR([GNAT is required to build $language])
1965 add_this_lang=unsupported
1969 # Disable a language that is unsupported by the target.
1970 case " $unsupported_languages " in
1972 add_this_lang=unsupported
1976 case $add_this_lang in
1978 # Remove language-dependent dirs.
1979 eval noconfigdirs='"$noconfigdirs "'\"$target_libs $lang_dirs\"
1982 # Remove language-dependent dirs; still show language as supported.
1983 eval noconfigdirs='"$noconfigdirs "'\"$target_libs $lang_dirs\"
1984 potential_languages="${potential_languages}${language},"
1987 new_enable_languages="${new_enable_languages}${language},"
1988 potential_languages="${potential_languages}${language},"
1989 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
1990 case "${boot_language}:,$enable_stage1_languages," in
1991 yes:* | *:*,$language,* | *:*,yes, | *:*,all,)
1992 # Add to (comma-separated) list of stage 1 languages.
1993 case ",$stage1_languages," in
1994 *,$language,* | ,yes, | ,all,) ;;
1995 *) stage1_languages="${stage1_languages}${language}," ;;
1997 # We need to bootstrap any supporting libraries.
1998 bootstrap_target_libs="${bootstrap_target_libs}${target_libs},"
2007 AC_ARG_ENABLE(stage1-languages,
2008 [ --enable-stage1-languages@<:@=all@:>@ choose additional languages to build during
2009 stage1. Mostly useful for compiler development.],
2010 [case ,${enable_stage1_languages}, in
2012 # Set it to something that will have no effect in the loop below
2013 enable_stage1_languages=c ;;
2015 enable_stage1_languages=`echo $new_enable_languages | \
2016 sed -e "s/^,//" -e "s/,$//" ` ;;
2018 enable_stage1_languages=`echo ,$enable_stage1_languages, | \
2019 sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;;
2022 # Add "good" languages from enable_stage1_languages to stage1_languages,
2023 # while "bad" languages go in missing_languages. Leave no duplicates.
2024 for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do
2025 case $potential_languages in
2027 case $stage1_languages in
2029 *) stage1_languages="$stage1_languages$i," ;;
2032 case $missing_languages in
2034 *) missing_languages="$missing_languages$i," ;;
2039 # Remove leading/trailing commas that were added for simplicity
2040 potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"`
2041 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
2042 stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"`
2043 new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"`
2045 if test "x$missing_languages" != x; then
2047 The following requested languages could not be built: ${missing_languages}
2048 Supported languages are: ${potential_languages}])
2050 if test "x$new_enable_languages" != "x$enable_languages"; then
2051 echo The following languages will be built: ${new_enable_languages}
2052 enable_languages="$new_enable_languages"
2055 AC_SUBST(stage1_languages)
2056 ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" `
2059 # Handle --disable-<component> generically.
2060 for dir in $configdirs $build_configdirs $target_configdirs ; do
2061 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g`
2062 varname=`echo $dirname | sed -e s/+/_/g`
2063 if eval test x\${enable_${varname}} "=" xno ; then
2064 noconfigdirs="$noconfigdirs $dir"
2068 # Check for Boehm's garbage collector
2069 AC_ARG_ENABLE(objc-gc,
2070 [ --enable-objc-gc enable use of Boehm's garbage collector with the
2071 GNU Objective-C runtime],
2072 [case ,${enable_languages},:${enable_objc_gc}:${noconfigdirs} in
2073 *,objc,*:*:yes:*target-boehm-gc*)
2074 AC_MSG_ERROR([Boehm's garbage collector was requested yet not supported in this configuration])
2078 # Make sure we only build Boehm's garbage collector if required.
2079 case ,${enable_languages},:${enable_objc_gc} in
2081 # Keep target-boehm-gc if requested for Objective-C.
2084 # Otherwise remove target-boehm-gc depending on target-libjava.
2085 if echo " ${noconfigdirs} " | grep "target-libjava" >/dev/null 2>&1; then
2086 noconfigdirs="$noconfigdirs target-boehm-gc"
2091 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
2092 # $build_configdirs and $target_configdirs.
2093 # If we have the source for $noconfigdirs entries, add them to $notsupp.
2096 for dir in . $skipdirs $noconfigdirs ; do
2097 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
2098 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2099 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
2100 if test -r $srcdir/$dirname/configure ; then
2101 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2104 notsupp="$notsupp $dir"
2108 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2109 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"`
2110 if test -r $srcdir/$dirname/configure ; then
2111 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2114 notsupp="$notsupp $dir"
2118 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2119 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
2120 if test -r $srcdir/$dirname/configure ; then
2121 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2124 notsupp="$notsupp $dir"
2130 # Sometimes the tools are distributed with libiberty but with no other
2131 # libraries. In that case, we don't want to build target-libiberty.
2132 # Don't let libgcc imply libiberty either.
2133 if test -n "${target_configdirs}" ; then
2136 for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do
2137 if test "$i" = "libgcc"; then
2138 libgcc=target-libgcc
2139 elif test "$i" != "libiberty" ; then
2140 if test -r $srcdir/$i/configure ; then
2146 if test -z "${others}" ; then
2147 target_configdirs=$libgcc
2151 # Quietly strip out all directories which aren't configurable in this tree.
2152 # This relies on all configurable subdirectories being autoconfiscated, which
2154 build_configdirs_all="$build_configdirs"
2156 for i in ${build_configdirs_all} ; do
2157 j=`echo $i | sed -e s/build-//g`
2158 if test -f ${srcdir}/$j/configure ; then
2159 build_configdirs="${build_configdirs} $i"
2163 configdirs_all="$configdirs"
2165 for i in ${configdirs_all} ; do
2166 if test -f ${srcdir}/$i/configure ; then
2167 configdirs="${configdirs} $i"
2171 target_configdirs_all="$target_configdirs"
2173 for i in ${target_configdirs_all} ; do
2174 j=`echo $i | sed -e s/target-//g`
2175 if test -f ${srcdir}/$j/configure ; then
2176 target_configdirs="${target_configdirs} $i"
2180 # Produce a warning message for the subdirs we can't configure.
2181 # This isn't especially interesting in the Cygnus tree, but in the individual
2182 # FSF releases, it's important to let people know when their machine isn't
2183 # supported by the one or two programs in a package.
2185 if test -n "${notsupp}" && test -z "${norecursion}" ; then
2186 # If $appdirs is non-empty, at least one of those directories must still
2187 # be configured, or we error out. (E.g., if the gas release supports a
2188 # specified target in some subdirs but not the gas subdir, we shouldn't
2189 # pretend that all is well.)
2190 if test -n "$appdirs" ; then
2191 for dir in $appdirs ; do
2192 if test -r $dir/Makefile.in ; then
2193 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2197 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
2203 if test -n "$appdirs" ; then
2204 echo "*** This configuration is not supported by this package." 1>&2
2208 # Okay, some application will build, or we don't care to check. Still
2209 # notify of subdirs not getting built.
2210 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
2211 echo " ${notsupp}" 1>&2
2212 echo " (Any other directories should still work fine.)" 1>&2
2220 # To find our prefix, in gcc_cv_tool_prefix.
2225 AC_ARG_WITH([build-sysroot],
2226 [ --with-build-sysroot=SYSROOT
2227 use sysroot as the system root during the build],
2228 [if test x"$withval" != x ; then
2229 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval"
2231 [SYSROOT_CFLAGS_FOR_TARGET=])
2232 AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET)
2234 AC_ARG_WITH([debug-prefix-map],
2235 [ --with-debug-prefix-map='A=B C=D ...'
2236 map A to B, C to D ... in debug information],
2237 [if test x"$withval" != x; then
2238 DEBUG_PREFIX_CFLAGS_FOR_TARGET=
2239 for debug_map in $withval; do
2240 DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map"
2243 [DEBUG_PREFIX_CFLAGS_FOR_TARGET=])
2244 AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET)
2246 # During gcc bootstrap, if we use some random cc for stage1 then CFLAGS
2247 # might be empty or "-g". We don't require a C++ compiler, so CXXFLAGS
2248 # might also be empty (or "-g", if a non-GCC C++ compiler is in the path).
2249 # We want to ensure that TARGET libraries (which we know are built with
2250 # gcc) are built with "-O2 -g", so include those options when setting
2251 # CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET.
2252 if test "x$CFLAGS_FOR_TARGET" = x; then
2253 CFLAGS_FOR_TARGET=$CFLAGS
2256 *) CFLAGS_FOR_TARGET="-O2 $CFLAGS" ;;
2259 *" -g "* | *" -g3 "*) ;;
2260 *) CFLAGS_FOR_TARGET="-g $CFLAGS" ;;
2263 AC_SUBST(CFLAGS_FOR_TARGET)
2265 if test "x$CXXFLAGS_FOR_TARGET" = x; then
2266 CXXFLAGS_FOR_TARGET=$CXXFLAGS
2267 case " $CXXFLAGS " in
2269 *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS" ;;
2271 case " $CXXFLAGS " in
2272 *" -g "* | *" -g3 "*) ;;
2273 *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS" ;;
2276 AC_SUBST(CXXFLAGS_FOR_TARGET)
2278 # Handle --with-headers=XXX. If the value is not "yes", the contents of
2279 # the named directory are copied to $(tooldir)/sys-include.
2280 if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
2281 if test x${is_cross_compiler} = xno ; then
2282 echo 1>&2 '***' --with-headers is only supported when cross compiling
2285 if test x"${with_headers}" != xyes ; then
2286 x=${gcc_cv_tool_prefix}
2287 copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include"
2291 # Handle --with-libs=XXX. If the value is not "yes", the contents of
2292 # the name directories are copied to $(tooldir)/lib. Multiple directories
2294 if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
2295 if test x${is_cross_compiler} = xno ; then
2296 echo 1>&2 '***' --with-libs is only supported when cross compiling
2299 if test x"${with_libs}" != xyes ; then
2300 # Copy the libraries in reverse order, so that files in the first named
2301 # library override files in subsequent libraries.
2302 x=${gcc_cv_tool_prefix}
2303 for l in ${with_libs}; do
2304 copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}"
2309 # Set with_gnu_as, with_gnu_ld, and with_system_zlib as appropriate.
2311 # This is done by determining whether or not the appropriate directory
2312 # is available, and by checking whether or not specific configurations
2313 # have requested that this magic not happen.
2315 # The command line options always override the explicit settings in
2316 # configure.in, and the settings in configure.in override this magic.
2318 # If the default for a toolchain is to use GNU as and ld, and you don't
2319 # want to do that, then you should use the --without-gnu-as and
2320 # --without-gnu-ld options for the configure script. Similarly, if
2321 # the default is to use the included zlib and you don't want to do that,
2322 # you should use the --with-system-zlib option for the configure script.
2324 if test x${use_gnu_as} = x &&
2325 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
2327 extra_host_args="$extra_host_args --with-gnu-as"
2330 if test x${use_gnu_ld} = x &&
2331 echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then
2333 extra_host_args="$extra_host_args --with-gnu-ld"
2336 if test x${use_included_zlib} = x &&
2337 echo " ${configdirs} " | grep " zlib " > /dev/null 2>&1 ; then
2340 with_system_zlib=yes
2341 extra_host_args="$extra_host_args --with-system-zlib"
2344 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
2345 # can detect this case.
2347 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
2349 extra_host_args="$extra_host_args --with-newlib"
2352 # Handle ${copy_dirs}
2353 set fnord ${copy_dirs}
2355 while test $# != 0 ; do
2356 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
2359 echo Copying $1 to $2
2361 # Use the install script to create the directory and all required
2362 # parent directories.
2363 if test -d $2 ; then
2367 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
2370 # Copy the directory, assuming we have tar.
2371 # FIXME: Should we use B in the second tar? Not all systems support it.
2372 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
2374 # It is the responsibility of the user to correctly adjust all
2375 # symlinks. If somebody can figure out how to handle them correctly
2376 # here, feel free to add the code.
2383 # Determine a target-dependent exec_prefix that the installed
2384 # gcc will search in. Keep this list sorted by triplet, with
2385 # the *-*-osname triplets last.
2389 md_exec_prefix=/gnu/lib/gcc-lib
2391 i[[34567]]86-pc-msdosdjgpp*)
2392 md_exec_prefix=/dev/env/DJDIR/bin
2394 i[[34567]]86-*-sco3.2v5*)
2395 if test $with_gnu_as = yes; then
2396 md_exec_prefix=/usr/gnu/bin
2398 md_exec_prefix=/usr/ccs/bin/elf
2403 powerpc-*-chorusos* | \
2404 powerpc*-*-eabi* | \
2405 powerpc*-*-sysv* | \
2406 powerpc*-*-kaos* | \
2408 md_exec_prefix=/usr/ccs/bin
2413 md_exec_prefix=/usr/ccs/bin
2428 md_exec_prefix=/usr/ccs/bin
2432 extra_arflags_for_target=
2433 extra_nmflags_for_target=
2434 extra_ranlibflags_for_target=
2435 target_makefile_frag=/dev/null
2438 target_makefile_frag="config/mt-mep"
2441 target_makefile_frag="config/mt-spu"
2444 target_makefile_frag="config/mt-sde"
2446 mipsisa*-*-elfoabi*)
2447 target_makefile_frag="config/mt-mips-elfoabi"
2449 mips*-*-*linux* | mips*-*-gnu*)
2450 target_makefile_frag="config/mt-mips-gnu"
2453 target_makefile_frag="config/mt-netware"
2455 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
2456 target_makefile_frag="config/mt-gnu"
2458 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
2459 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
2460 # commands to handle both 32-bit and 64-bit objects. These flags are
2461 # harmless if we're using GNU nm or ar.
2462 extra_arflags_for_target=" -X32_64"
2463 extra_nmflags_for_target=" -B -X32_64"
2466 # ranlib before Darwin10 requires the -c flag to look at common symbols.
2467 extra_ranlibflags_for_target=" -c"
2469 mips*-*-pe | sh*-*-pe | *arm-wince-pe)
2470 target_makefile_frag="config/mt-wince"
2474 alphaieee_frag=/dev/null
2477 # This just makes sure to use the -mieee option to build target libs.
2478 # This should probably be set individually by each library.
2479 alphaieee_frag="config/mt-alphaieee"
2483 # If --enable-target-optspace always use -Os instead of -O2 to build
2484 # the target libraries, similarly if it is not specified, use -Os
2485 # on selected platforms.
2486 ospace_frag=/dev/null
2487 case "${enable_target_optspace}:${target}" in
2489 ospace_frag="config/mt-ospace"
2492 ospace_frag="config/mt-d30v"
2494 :m32r-* | :d10v-* | :fr30-*)
2495 ospace_frag="config/mt-ospace"
2500 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
2504 # Default to using --with-stabs for certain targets.
2505 if test x${with_stabs} = x ; then
2507 mips*-*-irix[[56]]*)
2509 mips*-*-* | alpha*-*-osf*)
2511 extra_host_args="${extra_host_args} --with-stabs"
2516 # hpux11 in 64bit mode has libraries in a weird place. Arrange to find
2517 # them automatically.
2520 extra_host_args="$extra_host_args -x-libraries=/usr/lib/pa20_64 -x-includes=/usr/X11R6/include"
2524 # Some systems (e.g., one of the i386-aix systems the gas testers are
2525 # using) don't handle "\$" correctly, so don't use it here.
2526 tooldir='${exec_prefix}'/${target_noncanonical}
2527 build_tooldir=${tooldir}
2529 # Create a .gdbinit file which runs the one in srcdir
2530 # and tells GDB to look there for source files.
2532 if test -r ${srcdir}/.gdbinit ; then
2535 *) cat > ./.gdbinit <<EOF
2539 source ${srcdir}/.gdbinit
2545 # Make sure that the compiler is able to generate an executable. If it
2546 # can't, we are probably in trouble. We don't care whether we can run the
2547 # executable--we might be using a cross compiler--we only care whether it
2548 # can be created. At this point the main configure script has set CC.
2550 echo "int main () { return 0; }" > conftest.c
2551 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
2552 if test $? = 0 ; then
2553 if test -s conftest || test -s conftest.exe ; then
2559 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
2560 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
2567 # The Solaris /usr/ucb/cc compiler does not appear to work.
2569 sparc-sun-solaris2*)
2570 CCBASE="`echo ${CC-cc} | sed 's/ .*$//'`"
2571 if test "`type $CCBASE | sed 's/^[[^/]]*//'`" = "/usr/ucb/cc" ; then
2573 test -d /opt/SUNWspro/bin && could_use="/opt/SUNWspro/bin"
2574 if test -d /opt/cygnus/bin ; then
2575 if test "$could_use" = "" ; then
2576 could_use="/opt/cygnus/bin"
2578 could_use="$could_use or /opt/cygnus/bin"
2581 if test "$could_use" = "" ; then
2582 echo "Warning: compilation may fail because you're using"
2583 echo "/usr/ucb/cc. You should change your PATH or CC "
2584 echo "variable and rerun configure."
2586 echo "Warning: compilation may fail because you're using"
2587 echo "/usr/ucb/cc, when you should use the C compiler from"
2588 echo "$could_use. You should change your"
2589 echo "PATH or CC variable and rerun configure."
2595 # Decide which environment variable is used to find dynamic libraries.
2597 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
2598 *-*-darwin* | *-*-rhapsody* ) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;;
2599 *-*-mingw* | *-*-cygwin ) RPATH_ENVVAR=PATH ;;
2600 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
2603 # On systems where the dynamic library environment variable is PATH,
2604 # gcc/ will put dynamic libraries into a subdirectory to avoid adding
2605 # built executables to PATH.
2606 if test "$RPATH_ENVVAR" = PATH; then
2607 GCC_SHLIB_SUBDIR=/shlib
2612 # Record target_configdirs and the configure arguments for target and
2613 # build configuration in Makefile.
2614 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
2615 build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
2617 # If we are building libgomp, bootstrap it.
2618 if echo " ${target_configdirs} " | grep " libgomp " > /dev/null 2>&1 ; then
2619 bootstrap_target_libs=${bootstrap_target_libs}target-libgomp,
2622 # Determine whether gdb needs tk/tcl or not.
2623 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
2624 # and in that case we want gdb to be built without tk. Ugh!
2625 # In fact I believe gdb is the *only* package directly dependent on tk,
2626 # so we should be able to put the 'maybe's in unconditionally and
2627 # leave out the maybe dependencies when enable_gdbtk is false. I'm not
2628 # 100% sure that that's safe though.
2630 gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
2631 case "$enable_gdbtk" in
2635 GDB_TK="${gdb_tk}" ;;
2637 # Only add the dependency on gdbtk when GDBtk is part of the gdb
2638 # distro. Eventually someone will fix this and move Insight, nee
2639 # gdbtk to a separate directory.
2640 if test -d ${srcdir}/gdb/gdbtk ; then
2647 CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g`
2648 INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g`
2650 # Strip out unwanted targets.
2652 # While at that, we remove Makefiles if we were started for recursive
2653 # configuration, so that the top-level Makefile reconfigures them,
2654 # like we used to do when configure itself was recursive.
2656 # Loop over modules. We used to use the "$extrasub" feature from Autoconf
2657 # but now we're fixing up the Makefile ourselves with the additional
2658 # commands passed to AC_CONFIG_FILES. Use separate variables
2659 # extrasub-{build,host,target} not because there is any reason to split
2660 # the substitutions up that way, but only to remain below the limit of
2661 # 99 commands in a script, for HP-UX sed.
2662 # Do not nest @if/@endif pairs, because configure will not warn you at all.
2664 AC_ARG_ENABLE([bootstrap],
2665 [ --enable-bootstrap enable bootstrapping @<:@yes if native build@:>@],,
2666 enable_bootstrap=default)
2668 # Issue errors and warnings for invalid/strange bootstrap combinations.
2669 case "$configdirs" in
2670 *gcc*) have_compiler=yes ;;
2671 *) have_compiler=no ;;
2674 case "$have_compiler:$host:$target:$enable_bootstrap" in
2677 # Default behavior. Enable bootstrap if we have a compiler
2678 # and we are in a native configuration.
2679 yes:$build:$build:default)
2680 enable_bootstrap=yes ;;
2683 enable_bootstrap=no ;;
2685 # We have a compiler and we are in a native configuration, bootstrap is ok
2686 yes:$build:$build:yes)
2689 # Other configurations, but we have a compiler. Assume the user knows
2692 AC_MSG_WARN([trying to bootstrap a cross compiler])
2695 # No compiler: if they passed --enable-bootstrap explicitly, fail
2697 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
2699 # Fail if wrong command line
2701 AC_MSG_ERROR([invalid option for --enable-bootstrap])
2705 case ",$enable_languages,:$ENABLE_BUILD_WITH_CXX:$enable_bootstrap" in
2708 AC_MSG_ERROR([bootstrapping with --enable-build-with-cxx requires c++ in --enable-languages])
2712 case "$enable_bootstrap:$ENABLE_GOLD: $configdirs :,$stage1_languages," in
2713 yes:yes:*\ gold\ *:*,c++,*) ;;
2714 yes:yes:*\ gold\ *:*)
2715 AC_MSG_ERROR([in a combined tree, bootstrapping with --enable-gold requires c++ in stage1_languages])
2719 # Adjust the toplevel makefile according to whether bootstrap was selected.
2720 case $enable_bootstrap in
2722 bootstrap_suffix=bootstrap
2723 BUILD_CONFIG=bootstrap-debug
2726 bootstrap_suffix=no-bootstrap
2731 AC_MSG_CHECKING(for default BUILD_CONFIG)
2733 AC_ARG_WITH([build-config],
2734 [--with-build-config='NAME NAME2...'
2735 Use config/NAME.mk build configuration],
2736 [case $with_build_config in
2737 yes) with_build_config= ;;
2738 no) with_build_config= BUILD_CONFIG= ;;
2741 if test "x${with_build_config}" != x; then
2742 BUILD_CONFIG=$with_build_config
2744 case $BUILD_CONFIG in
2746 if echo "int f (void) { return 0; }" > conftest.c &&
2747 ${CC} -c conftest.c &&
2748 mv conftest.o conftest.o.g0 &&
2749 ${CC} -c -g conftest.c &&
2750 mv conftest.o conftest.o.g &&
2751 ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g > /dev/null 2>&1; then
2756 rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g
2760 AC_MSG_RESULT($BUILD_CONFIG)
2761 AC_SUBST(BUILD_CONFIG)
2764 for module in ${build_configdirs} ; do
2765 if test -z "${no_recursion}" \
2766 && test -f ${build_subdir}/${module}/Makefile; then
2767 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
2768 rm -f ${build_subdir}/${module}/Makefile
2770 extrasub_build="$extrasub_build
2771 /^@if build-$module\$/d
2772 /^@endif build-$module\$/d
2773 /^@if build-$module-$bootstrap_suffix\$/d
2774 /^@endif build-$module-$bootstrap_suffix\$/d"
2777 for module in ${configdirs} ; do
2778 if test -z "${no_recursion}"; then
2779 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do
2780 if test -f ${file}; then
2781 echo 1>&2 "*** removing ${file} to force reconfigure"
2786 extrasub_host="$extrasub_host
2788 /^@endif $module\$/d
2789 /^@if $module-$bootstrap_suffix\$/d
2790 /^@endif $module-$bootstrap_suffix\$/d"
2793 for module in ${target_configdirs} ; do
2794 if test -z "${no_recursion}" \
2795 && test -f ${target_subdir}/${module}/Makefile; then
2796 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
2797 rm -f ${target_subdir}/${module}/Makefile
2800 # We only bootstrap target libraries listed in bootstrap_target_libs.
2801 case $bootstrap_target_libs in
2802 *,target-$module,*) target_bootstrap_suffix=$bootstrap_suffix ;;
2803 *) target_bootstrap_suffix=no-bootstrap ;;
2806 extrasub_target="$extrasub_target
2807 /^@if target-$module\$/d
2808 /^@endif target-$module\$/d
2809 /^@if target-$module-$target_bootstrap_suffix\$/d
2810 /^@endif target-$module-$target_bootstrap_suffix\$/d"
2813 # Do the final fixup along with target modules.
2814 extrasub_target="$extrasub_target
2815 /^@if /,/^@endif /d"
2817 # Create the serialization dependencies. This uses a temporary file.
2819 AC_ARG_ENABLE([serial-configure],
2820 [ --enable-serial-@<:@{host,target,build}-@:>@configure
2821 force sequential configuration of
2822 sub-packages for the host, target or build
2823 machine, or all sub-packages])
2825 case ${enable_serial_configure} in
2827 enable_serial_build_configure=yes
2828 enable_serial_host_configure=yes
2829 enable_serial_target_configure=yes
2833 # These force 'configure's to be done one at a time, to avoid problems
2834 # with contention over a shared config.cache.
2836 echo '# serdep.tmp' > serdep.tmp
2838 test "x${enable_serial_build_configure}" = xyes &&
2839 for item in ${build_configdirs} ; do
2842 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
2847 test "x${enable_serial_host_configure}" = xyes &&
2848 for item in ${configdirs} ; do
2851 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
2856 test "x${enable_serial_target_configure}" = xyes &&
2857 for item in ${target_configdirs} ; do
2860 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
2864 serialization_dependencies=serdep.tmp
2865 AC_SUBST_FILE(serialization_dependencies)
2867 # Base args. Strip norecursion, cache-file, srcdir, host, build,
2868 # target, nonopt, and variable assignments. These are the ones we
2869 # might not want to pass down to subconfigures. The exception being
2870 # --cache-file=/dev/null, which is used to turn off the use of cache
2871 # files altogether, and which should be passed on to subconfigures.
2872 # Also strip program-prefix, program-suffix, and program-transform-name,
2873 # so that we can pass down a consistent program-transform-name.
2877 eval "set -- $ac_configure_args"
2880 if test X"$skip_next" = X"yes"; then
2884 if test X"$keep_next" = X"yes"; then
2887 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2889 baseargs="$baseargs '$ac_arg'"
2894 # Handle separated arguments. Based on the logic generated by
2897 *=* | --config-cache | -C | -disable-* | --disable-* \
2898 | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \
2899 | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \
2900 | -with-* | --with-* | -without-* | --without-* | --x)
2912 --cache-file=/dev/null | \
2913 -cache-file=/dev/null )
2914 # Handled here to avoid the test to skip args below.
2915 baseargs="$baseargs '$ac_arg'"
2916 # Assert: $separate_arg should always be no.
2917 keep_next=$separate_arg
2933 -program-prefix* | \
2934 -program-suffix* | \
2935 -program-transform-name* )
2936 skip_next=$separate_arg
2940 # An option. Add it.
2943 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2945 baseargs="$baseargs '$ac_arg'"
2946 keep_next=$separate_arg
2949 # Either a variable assignment, or a nonopt (triplet). Don't
2950 # pass it down; let the Makefile handle this.
2955 # Remove the initial space we just introduced and, as these will be
2956 # expanded by make, quote '$'.
2957 baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
2959 # Add in --program-transform-name, after --program-prefix and
2960 # --program-suffix have been applied to it. Autoconf has already
2961 # doubled dollar signs and backslashes in program_transform_name; we want
2962 # the backslashes un-doubled, and then the entire thing wrapped in single
2963 # quotes, because this will be expanded first by make and then by the shell.
2964 # Also, because we want to override the logic in subdir configure scripts to
2965 # choose program_transform_name, replace any s,x,x, with s,y,y,.
2966 sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
2967 ${program_transform_name}
2969 gcc_transform_name=`cat conftestsed.out`
2970 rm -f conftestsed.out
2971 baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
2972 if test "$silent" = yes; then
2973 baseargs="$baseargs --silent"
2975 baseargs="$baseargs --disable-option-checking"
2977 # For the build-side libraries, we just need to pretend we're native,
2978 # and not use the same cache file. Multilibs are neither needed nor
2980 build_configargs="--cache-file=../config.cache ${baseargs}"
2982 # For host modules, accept cache file option, or specification as blank.
2983 case "${cache_file}" in
2985 cache_file_option="" ;;
2986 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
2987 cache_file_option="--cache-file=${cache_file}" ;;
2989 cache_file_option="--cache-file=../${cache_file}" ;;
2992 # Host dirs don't like to share a cache file either, horribly enough.
2993 # This seems to be due to autoconf 2.5x stupidity.
2994 host_configargs="--cache-file=./config.cache ${extra_host_args} ${baseargs}"
2996 target_configargs=${baseargs}
2998 # Passing a --with-cross-host argument lets the target libraries know
2999 # whether they are being built with a cross-compiler or being built
3000 # native. However, it would be better to use other mechanisms to make the
3001 # sorts of decisions they want to make on this basis. Please consider
3002 # this option to be deprecated. FIXME.
3003 if test x${is_cross_compiler} = xyes ; then
3004 target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}"
3007 # Default to --enable-multilib.
3008 if test x${enable_multilib} = x ; then
3009 target_configargs="--enable-multilib ${target_configargs}"
3012 # Pass --with-newlib if appropriate. Note that target_configdirs has
3013 # changed from the earlier setting of with_newlib.
3014 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
3015 target_configargs="--with-newlib ${target_configargs}"
3018 # Different target subdirs use different values of certain variables
3019 # (notably CXX). Worse, multilibs use *lots* of different values.
3020 # Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
3021 # it doesn't automatically accept command-line overrides of them.
3022 # This means it's not safe for target subdirs to share a cache file,
3023 # which is disgusting, but there you have it. Hopefully this can be
3024 # fixed in future. It's still worthwhile to use a cache file for each
3025 # directory. I think.
3027 # Pass the appropriate --build, --host, --target and --cache-file arguments.
3028 # We need to pass --target, as newer autoconf's requires consistency
3029 # for target_alias and gcc doesn't manage it consistently.
3030 target_configargs="--cache-file=./config.cache ${target_configargs}"
3033 case " $target_configdirs " in
3035 case " $target_configargs " in
3036 *" --with-newlib "*)
3039 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 $$s/winsup/w32api/include'
3043 # If we're not building GCC, don't discard standard headers.
3044 if test -d ${srcdir}/gcc; then
3045 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
3047 if test "${build}" != "${host}"; then
3048 # On Canadian crosses, CC_FOR_TARGET will have already been set
3049 # by `configure', so we won't have an opportunity to add -Bgcc/
3050 # to it. This is right: we don't want to search that directory
3051 # for binaries, but we want the header files in there, so add
3053 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include'
3055 # Someone might think of using the pre-installed headers on
3056 # Canadian crosses, in case the installed compiler is not fully
3057 # compatible with the compiler being built. In this case, it
3058 # would be better to flag an error than risking having
3059 # incompatible object files being constructed. We can't
3060 # guarantee that an error will be flagged, but let's hope the
3061 # compiler will do it, when presented with incompatible header
3066 case "${target}-${is_cross_compiler}" in
3067 i[[3456789]]86-*-linux*-no)
3068 # Here host == target, so we don't need to build gcc,
3069 # so we don't want to discard standard headers.
3070 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
3073 # If we're building newlib, use its generic headers last, but search
3074 # for any libc-related directories first (so make it the last -B
3076 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
3078 # If we're building libgloss, find the startup file, simulator library
3079 # and linker script.
3080 case " $target_configdirs " in
3082 # Look for startup file, simulator library and maybe linker script.
3083 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/'"$libgloss_dir"
3084 # Look for libnosys.a in case the target needs it.
3085 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys'
3086 # Most targets have the linker script in the source directory.
3087 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$s/libgloss/'"$libgloss_dir"
3098 x86_64-*mingw* | *-w64-mingw*)
3099 # MinGW-w64 does not use newlib, nor does it use winsup. It may,
3100 # however, use a symlink named 'mingw' in ${prefix} .
3101 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L${prefix}/${target}/lib -L${prefix}/mingw/lib -isystem ${prefix}/${target}/include -isystem ${prefix}/mingw/include'
3104 # MinGW can't be handled as Cygwin above since it does not use newlib.
3105 FLAGS_FOR_TARGET=$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'
3109 # Allow the user to override the flags for
3110 # our build compiler if desired.
3111 if test x"${build}" = x"${host}" ; then
3112 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
3113 CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}}
3114 LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}}
3117 # On Canadian crosses, we'll be searching the right directories for
3118 # the previously-installed cross compiler, so don't bother to add
3119 # flags for directories within the install tree of the compiler
3120 # being built; programs in there won't even run.
3121 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
3122 # Search for pre-installed headers if nothing else fits.
3123 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
3126 if test "x${use_gnu_ld}" = x &&
3127 echo " ${configdirs} " | grep " ld " > /dev/null ; then
3128 # Arrange for us to find uninstalled linker scripts.
3129 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld'
3132 # Search for other target-specific linker scripts and such.
3135 FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary"
3139 # Makefile fragments.
3140 for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
3142 eval fragval=\$$frag
3143 if test $fragval != /dev/null; then
3144 eval $frag=${srcdir}/$fragval
3147 AC_SUBST_FILE(host_makefile_frag)
3148 AC_SUBST_FILE(target_makefile_frag)
3149 AC_SUBST_FILE(alphaieee_frag)
3150 AC_SUBST_FILE(ospace_frag)
3152 # Miscellanea: directories, flags, etc.
3153 AC_SUBST(RPATH_ENVVAR)
3154 AC_SUBST(GCC_SHLIB_SUBDIR)
3156 AC_SUBST(build_tooldir)
3157 AC_SUBST(CONFIGURE_GDB_TK)
3159 AC_SUBST(INSTALL_GDB_TK)
3161 # Build module lists & subconfigure args.
3162 AC_SUBST(build_configargs)
3163 AC_SUBST(build_configdirs)
3165 # Host module lists & subconfigure args.
3166 AC_SUBST(host_configargs)
3167 AC_SUBST(configdirs)
3168 AC_SUBST(target_configdirs)
3170 # Target module lists & subconfigure args.
3171 AC_SUBST(target_configargs)
3175 AC_SUBST(AR_FOR_BUILD)
3176 AC_SUBST(AS_FOR_BUILD)
3177 AC_SUBST(CC_FOR_BUILD)
3178 AC_SUBST(CFLAGS_FOR_BUILD)
3179 AC_SUBST(CXXFLAGS_FOR_BUILD)
3180 AC_SUBST(CXX_FOR_BUILD)
3181 AC_SUBST(DLLTOOL_FOR_BUILD)
3182 AC_SUBST(GCJ_FOR_BUILD)
3183 AC_SUBST(GFORTRAN_FOR_BUILD)
3184 AC_SUBST(LDFLAGS_FOR_BUILD)
3185 AC_SUBST(LD_FOR_BUILD)
3186 AC_SUBST(NM_FOR_BUILD)
3187 AC_SUBST(RANLIB_FOR_BUILD)
3188 AC_SUBST(WINDMC_FOR_BUILD)
3189 AC_SUBST(WINDRES_FOR_BUILD)
3190 AC_SUBST(config_shell)
3192 # Generate default definitions for YACC, M4, LEX and other programs that run
3193 # on the build machine. These are used if the Makefile can't locate these
3194 # programs in objdir.
3195 MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
3197 AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
3198 case " $build_configdirs " in
3199 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;;
3200 *" byacc "*) YACC='$$r/$(BUILD_SUBDIR)/byacc/byacc' ;;
3203 AC_CHECK_PROGS([BISON], [bison], [$MISSING bison])
3204 case " $build_configdirs " in
3205 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;;
3208 AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4])
3209 case " $build_configdirs " in
3210 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;;
3213 AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex])
3214 case " $build_configdirs " in
3215 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3216 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;;
3219 AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex])
3220 case " $build_configdirs " in
3221 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3224 AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo])
3225 case " $build_configdirs " in
3226 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;;
3229 # For an installed makeinfo, we require it to be from texinfo 4.7 or
3230 # higher, else we use the "missing" dummy.
3231 if ${MAKEINFO} --version \
3232 | egrep 'texinfo[^0-9]*(4\.([7-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then
3235 MAKEINFO="$MISSING makeinfo"
3241 # FIXME: expect and dejagnu may become build tools?
3243 AC_CHECK_PROGS(EXPECT, expect, expect)
3244 case " $configdirs " in
3246 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect'
3250 AC_CHECK_PROGS(RUNTEST, runtest, runtest)
3251 case " $configdirs " in
3253 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest'
3259 NCN_STRICT_CHECK_TOOLS(AR, ar)
3260 NCN_STRICT_CHECK_TOOLS(AS, as)
3261 NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool)
3262 NCN_STRICT_CHECK_TOOLS(LD, ld)
3263 NCN_STRICT_CHECK_TOOLS(LIPO, lipo)
3264 NCN_STRICT_CHECK_TOOLS(NM, nm)
3265 NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, true)
3266 NCN_STRICT_CHECK_TOOLS(STRIP, strip, true)
3267 NCN_STRICT_CHECK_TOOLS(WINDRES, windres)
3268 NCN_STRICT_CHECK_TOOLS(WINDMC, windmc)
3269 NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy)
3270 NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump)
3277 AC_ARG_WITH([build-time-tools],
3278 [ --with-build-time-tools=PATH
3279 use given path to find target tools during the build],
3280 [case x"$withval" in
3283 with_build_time_tools=
3284 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path])
3287 [with_build_time_tools=])
3289 NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc)
3290 NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx)
3291 NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET})
3292 NCN_STRICT_CHECK_TARGET_TOOLS(GCJ_FOR_TARGET, gcj)
3293 NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran)
3295 ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar)
3296 ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as)
3297 ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
3298 ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld)
3299 ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo)
3300 ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm)
3301 ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump)
3302 ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib)
3303 ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip)
3304 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
3305 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc)
3307 RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET"
3309 GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar])
3310 GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new])
3311 GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3312 GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX,
3313 [gcc/g++ -B$$r/$(HOST_SUBDIR)/gcc/ -nostdinc++ `test ! -f $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags || $(SHELL) $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags --build-includes` -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs],
3315 GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX,
3316 [gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs],
3318 GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool])
3319 GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3320 GCC_TARGET_TOOL(gcj, GCJ_FOR_TARGET, GCJ,
3321 [gcc/gcj -B$$r/$(HOST_SUBDIR)/gcc/], java)
3322 GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN,
3323 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran)
3324 GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new])
3325 GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO)
3326 GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new])
3327 GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump])
3328 GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib])
3329 GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip])
3330 GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres])
3331 GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc])
3333 AC_SUBST(FLAGS_FOR_TARGET)
3334 AC_SUBST(RAW_CXX_FOR_TARGET)
3336 # Certain tools may need extra flags.
3337 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
3338 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
3339 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
3341 # When building target libraries, except in a Canadian cross, we use
3342 # the same toolchain as the compiler we just built.
3343 COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)'
3344 COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)'
3345 COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)'
3346 if test $host = $build; then
3347 case " $configdirs " in
3349 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as'
3350 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld'
3351 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target}
3356 AC_SUBST(COMPILER_AS_FOR_TARGET)
3357 AC_SUBST(COMPILER_LD_FOR_TARGET)
3358 AC_SUBST(COMPILER_NM_FOR_TARGET)
3360 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
3361 AC_ARG_ENABLE(maintainer-mode,
3362 [ --enable-maintainer-mode enable make rules and dependencies not useful
3363 (and sometimes confusing) to the casual installer],
3364 USE_MAINTAINER_MODE=$enableval,
3365 USE_MAINTAINER_MODE=no)
3366 AC_MSG_RESULT($USE_MAINTAINER_MODE)
3367 AC_SUBST(MAINTAINER_MODE_TRUE)
3368 AC_SUBST(MAINTAINER_MODE_FALSE)
3369 if test "$USE_MAINTAINER_MODE" = yes; then
3370 MAINTAINER_MODE_TRUE=
3371 MAINTAINER_MODE_FALSE='#'
3373 MAINTAINER_MODE_TRUE='#'
3374 MAINTAINER_MODE_FALSE=
3376 MAINT=$MAINTAINER_MODE_TRUE
3379 # ---------------------
3380 # GCC bootstrap support
3381 # ---------------------
3383 # Stage specific cflags for build.
3388 yes) stage1_cflags="-g -Wa,-J" ;;
3389 *) stage1_cflags="-g -J" ;;
3393 # This is aimed to mimic bootstrap with a non-GCC compiler to catch problems.
3394 if test "$GCC" = yes -a "$ENABLE_BUILD_WITH_CXX" != yes; then
3395 saved_CFLAGS="$CFLAGS"
3397 # Pass -fkeep-inline-functions for stage 1 if the GCC version supports it.
3398 CFLAGS="$CFLAGS -fkeep-inline-functions"
3399 AC_MSG_CHECKING([whether -fkeep-inline-functions is supported])
3401 #if (__GNUC__ < 3) \
3402 || (__GNUC__ == 3 && (__GNUC_MINOR__ < 3 \
3403 || (__GNUC_MINOR__ == 3 && __GNUC_PATCHLEVEL__ < 1)))
3404 #error http://gcc.gnu.org/PR29382
3407 [AC_MSG_RESULT([yes]); stage1_cflags="$stage1_cflags -fkeep-inline-functions"],
3408 [AC_MSG_RESULT([no])])
3410 CFLAGS="$saved_CFLAGS"
3413 AC_SUBST(stage1_cflags)
3415 # Enable --enable-checking in stage1 of the compiler.
3416 AC_ARG_ENABLE(stage1-checking,
3417 [ --enable-stage1-checking@<:@=all@:>@ choose additional checking for stage1
3419 [stage1_checking=--enable-checking=${enable_stage1_checking}],
3420 [if test "x$enable_checking" = xno || test "x$enable_checking" = x; then
3421 stage1_checking=--enable-checking=yes,types
3423 stage1_checking=--enable-checking=$enable_checking,types
3425 AC_SUBST(stage1_checking)
3427 # Enable -Werror in bootstrap stage2 and later.
3428 AC_ARG_ENABLE(werror,
3429 [ --enable-werror enable -Werror in bootstrap stage2 and later], [],
3430 [if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then
3435 case ${enable_werror} in
3436 yes) stage2_werror_flag="--enable-werror-always" ;;
3437 *) stage2_werror_flag="" ;;
3439 AC_SUBST(stage2_werror_flag)
3441 # Specify what files to not compare during bootstrap.
3443 compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*"
3445 hppa*64*-*-hpux*) ;;
3446 hppa*-*-hpux*) compare_exclusions="gcc/cc*-checksum\$(objext) | */libgcc/lib2funcs* | gcc/ada/*tools/*" ;;
3448 case " $configdirs " in
3449 *" ppl "*) compare_exclusions="$compare_exclusions | ppl/src/ppl-config.o" ;;
3451 AC_SUBST(compare_exclusions)
3453 AC_CONFIG_FILES([Makefile],
3454 [sed "$extrasub_build" Makefile |
3455 sed "$extrasub_host" |
3456 sed "$extrasub_target" > mf$$
3457 mv -f mf$$ Makefile],
3458 [extrasub_build="$extrasub_build"
3459 extrasub_host="$extrasub_host"
3460 extrasub_target="$extrasub_target"])