1 # Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
2 # 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation,
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)
27 AC_INIT(move-if-change)
29 AC_DISABLE_OPTION_CHECKING
32 # if PWD already has a value, it is probably wrong.
33 if test -n "$PWD" ; then PWD=`${PWDCMD-pwd}`; fi
35 # Export original configure arguments for use by sub-configures.
36 # Quote arguments with shell meta charatcers.
37 TOPLEVEL_CONFIGURE_ARGUMENTS=
38 set -- "$progname" "$@"
42 *" "*|*" "*|*[[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?\']]*)
43 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"`
44 # if the argument is of the form -foo=baz, quote the baz part only
45 ac_arg=`echo "'$ac_arg'" | sed "s/^'\([[-a-zA-Z0-9]]*=\)/\\1'/"` ;;
48 # Add the quoted argument to the list.
49 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS $ac_arg"
51 if test "$silent" = yes; then
52 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS --silent"
54 # Remove the initial space we just introduced and, as these will be
55 # expanded by make, quote '$'.
56 TOPLEVEL_CONFIGURE_ARGUMENTS=`echo "x$TOPLEVEL_CONFIGURE_ARGUMENTS" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
57 AC_SUBST(TOPLEVEL_CONFIGURE_ARGUMENTS)
59 # Find the build, host, and target systems.
60 ACX_NONCANONICAL_BUILD
62 ACX_NONCANONICAL_TARGET
64 dnl Autoconf 2.5x and later will set a default program prefix if
65 dnl --target was used, even if it was the same as --host. Disable
66 dnl that behavior. This must be done before AC_CANONICAL_SYSTEM
68 test "$host_noncanonical" = "$target_noncanonical" &&
69 test "$program_prefix$program_suffix$program_transform_name" = \
71 program_transform_name=s,y,y,
76 m4_pattern_allow([^AS_FOR_TARGET$])dnl
77 m4_pattern_allow([^AS_FOR_BUILD$])dnl
79 # Get 'install' or 'install-sh' and its variants.
86 ### we might need to use some other shell than /bin/sh for running subshells
87 ### If we are on Windows, search for the shell. This will permit people
88 ### to not have /bin/sh, but to be able to see /SOME/PATH/sh configure
89 ### without also having to set CONFIG_SHELL. This code will work when
90 ### using bash, which sets OSTYPE.
93 if test x${CONFIG_SHELL} = x ; then
94 if test ! -f /bin/sh ; then
95 if test x${SHELL} != x && test -f ${SHELL} ; then
99 for prog in sh sh.exe bash bash.exe; do
100 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
102 test -z "$dir" && dir=.
103 if test -f $dir/$prog; then
104 CONFIG_SHELL=$dir/$prog
110 test -n "${CONFIG_SHELL}" && break
118 config_shell=${CONFIG_SHELL-/bin/sh}
120 moveifchange=${srcdir}/move-if-change
122 srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}`
124 # We pass INSTALL explicitly to sub-makes. Make sure that it is not
126 if test "$INSTALL" = "${srcdir}/install-sh -c"; then
127 INSTALL="${srcpwd}/install-sh -c"
130 # Set srcdir to "." if that's what it is.
131 # This is important for multilib support.
133 if test "${pwd}" = "${srcpwd}" ; then
141 ### To add a new directory to the tree, first choose whether it is a target
142 ### or a host dependent tool. Then put it into the appropriate list
143 ### (library or tools, host or target), doing a dependency sort.
145 # Subdirs will be configured in the order listed in build_configdirs,
146 # configdirs, or target_configdirs; see the serialization section below.
148 # Dependency sorting is only needed when *configuration* must be done in
149 # a particular order. In all cases a dependency should be specified in
150 # the Makefile, whether or not it's implicitly specified here.
152 # Double entries in build_configdirs, configdirs, or target_configdirs may
153 # cause circular dependencies and break everything horribly.
155 # these library is used by various programs built for the build
158 build_libs="build-libiberty"
160 # these tools are built for the build environment
161 build_tools="build-texinfo build-byacc build-flex build-bison build-m4 build-fixincludes"
163 # these libraries are used by various programs built for the host environment
165 host_libs="intl mmalloc libiberty opcodes bfd readline tcl tk itcl libgui zlib libcpp libdecnumber gmp mpfr mpc ppl cloog libelf libiconv"
167 # these tools are built for the host environment
168 # Note, the powerpc-eabi build depends on sim occurring before gdb in order to
169 # know that we are building the simulator.
170 # binutils, gas and ld appear in that order because it makes sense to run
171 # "make check" in that particular order.
172 # If --enable-gold is used, "gold" will replace "ld".
173 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"
175 # libgcj represents the runtime libraries only used by gcj.
176 libgcj="target-libffi \
181 # these libraries are built for the target environment, and are built after
182 # the host libraries and the host tools (which may be a cross compiler)
184 target_libraries="target-libgcc \
189 target-libstdc++-v3 \
198 # these tools are built using the target libraries, and are intended to
199 # run only in the target environment
201 # note: any program that *uses* libraries that are in the "target_libraries"
202 # list belongs in this list. those programs are also very likely
203 # candidates for the "native_only" list which follows
205 target_tools="target-examples target-groff target-gperf target-rda"
207 ################################################################################
209 ## All tools belong in one of the four categories, and are assigned above
210 ## We assign ${configdirs} this way to remove all embedded newlines. This
211 ## is important because configure will choke if they ever get through.
212 ## ${configdirs} is directories we build using the host tools.
213 ## ${target_configdirs} is directories we build using the target tools.
214 configdirs=`echo ${host_libs} ${host_tools}`
215 target_configdirs=`echo ${target_libraries} ${target_tools}`
216 build_configdirs=`echo ${build_libs} ${build_tools}`
218 m4_divert_text([PARSE_ARGS],
219 [ac_subdirs_all=`cd $srcdir && echo */configure | sed 's,/configure,,g'`
222 ################################################################################
224 srcname="gnu development package"
226 # This gets set non-empty for some net releases of packages.
229 # Define is_cross_compiler to save on calls to 'test'.
231 if test x"${host}" = x"${target}" ; then
234 is_cross_compiler=yes
237 # Find the build and target subdir names.
239 # Be sure to cover against remnants of an in-tree build.
240 if test $srcdir != . && test -d $srcdir/host-${host_noncanonical}; then
241 AC_MSG_ERROR([building out of tree but $srcdir contains host-${host_noncanonical}.
242 Use a pristine source tree when building in a separate tree])
245 # Skipdirs are removed silently.
247 # Noconfigdirs are removed loudly.
251 # Make sure we don't let GNU ld be added if we didn't want it.
252 if test x$with_gnu_ld = xno ; then
254 noconfigdirs="$noconfigdirs ld gold"
258 # Make sure we don't let GNU as be added if we didn't want it.
259 if test x$with_gnu_as = xno ; then
261 noconfigdirs="$noconfigdirs gas"
265 # Make sure we don't let ZLIB be added if we didn't want it.
266 if test x$with_system_zlib = xyes ; then
268 noconfigdirs="$noconfigdirs zlib"
271 # some tools are so dependent upon X11 that if we're not building with X,
272 # it's not even worth trying to configure, much less build, that tool.
275 yes | "") ;; # the default value for this tree is that X11 is available
277 skipdirs="${skipdirs} tk itcl libgui"
278 # We won't be able to build gdbtk without X.
281 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
284 # Some tools are only suitable for building in a "native" situation.
285 # Remove these if host!=target.
286 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"
288 # Similarly, some are only suitable for cross toolchains.
289 # Remove these if host=target.
290 cross_only="target-libgloss target-newlib target-opcodes"
292 case $is_cross_compiler in
293 no) skipdirs="${skipdirs} ${cross_only}" ;;
294 yes) skipdirs="${skipdirs} ${native_only}" ;;
297 # If both --with-headers and --with-libs are specified, default to
299 if test x"${with_headers}" != x && test x"${with_headers}" != xno \
300 && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
301 if test x"${with_newlib}" = x ; then
306 # Recognize --with-newlib/--without-newlib.
307 case ${with_newlib} in
308 no) skipdirs="${skipdirs} target-newlib" ;;
309 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
312 # Handle --enable-gold.
315 [ --enable-gold use gold instead of ld],
316 ENABLE_GOLD=$enableval,
318 if test "${ENABLE_GOLD}" = "yes"; then
319 # Check for ELF target.
322 *-*-elf* | *-*-sysv4* | *-*-unixware* | *-*-eabi* | hppa*64*-*-hpux* \
323 | *-*-linux* | frv-*-uclinux* | *-*-irix5* | *-*-irix6* \
324 | *-*-netbsd* | *-*-openbsd* | *-*-freebsd* | *-*-solaris2* | *-*-nto*)
326 *-*-linux*aout* | *-*-linux*oldld*)
334 if test "$is_elf" = "yes"; then
335 # Check for target supported by gold.
337 i?86-*-* | x86_64-*-* | sparc*-*-* | powerpc*-*-* | arm*-*-*)
338 configdirs="`echo " ${configdirs} " | sed -e 's/ ld / gold /'`"
344 # Configure extra directories which are host specific
348 configdirs="$configdirs libtermcap" ;;
351 # A target can indicate whether a language isn't supported for some reason.
352 # Only spaces may be used in this macro; not newlines or tabs.
353 unsupported_languages=
355 # Remove more programs from consideration, based on the host or
356 # target this usually means that a port of the program doesn't
361 noconfigdirs="$noconfigdirs byacc"
363 i[[3456789]]86-*-vsta)
364 noconfigdirs="$noconfigdirs tcl expect dejagnu make texinfo bison patch flex byacc send-pr gprof uudecode dejagnu diff guile perl itcl gnuserv gettext"
366 i[[3456789]]86-*-go32* | i[[3456789]]86-*-msdosdjgpp*)
367 noconfigdirs="$noconfigdirs tcl tk expect dejagnu send-pr uudecode guile itcl gnuserv libffi"
370 noconfigdirs="$noconfigdirs expect dejagnu autoconf automake send-pr rcs guile perl texinfo libtool newlib"
372 i[[3456789]]86-*-mingw32*)
373 # noconfigdirs="tcl tk expect dejagnu make texinfo bison patch flex byacc send-pr uudecode dejagnu diff guile perl itcl gnuserv"
374 noconfigdirs="$noconfigdirs expect dejagnu autoconf automake send-pr rcs guile perl texinfo libtool newlib"
376 i[[3456789]]86-*-beos*)
377 noconfigdirs="$noconfigdirs tk itcl libgui gdb"
380 noconfigdirs="$noconfigdirs autoconf automake send-pr rcs guile perl"
383 noconfigdirs="$noconfigdirs rcs"
386 noconfigdirs="$noconfigdirs patch diff make tk tcl expect dejagnu autoconf automake texinfo bison send-pr gprof rcs guile perl itcl gnuserv"
389 noconfigdirs="$noconfigdirs tk itcl libgui gdb dejagnu readline"
394 AC_ARG_ENABLE(libada,
395 [ --enable-libada build libada directory],
396 ENABLE_LIBADA=$enableval,
398 if test "${ENABLE_LIBADA}" != "yes" ; then
399 noconfigdirs="$noconfigdirs gnattools"
402 AC_ARG_ENABLE(libssp,
403 [ --enable-libssp build libssp directory],
404 ENABLE_LIBSSP=$enableval,
407 # Save it here so that, even in case of --enable-libgcj, if the Java
408 # front-end isn't enabled, we still get libgcj disabled.
410 case $enable_libgcj in
412 # If we reset it here, it won't get added to noconfigdirs in the
413 # target-specific build rules, so it will be forcibly enabled
414 # (unless the Java language itself isn't enabled).
418 # Make sure we get it printed in the list of not supported target libs.
419 noconfigdirs="$noconfigdirs ${libgcj}"
424 # Disable libmudflap on some systems.
425 if test x$enable_libmudflap = x ; then
427 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | bfin*-*-uclinux* | *-*-kopensolaris*-gnu)
428 # Enable libmudflap by default in GNU and friends.
431 # Enable libmudflap by default in FreeBSD.
434 # Disable it by default everywhere else.
435 noconfigdirs="$noconfigdirs target-libmudflap"
440 # Disable libgomp on non POSIX hosted systems.
441 if test x$enable_libgomp = x ; then
442 # Enable libgomp by default on hosted POSIX systems.
444 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
446 *-*-netbsd* | *-*-freebsd* | *-*-openbsd*)
448 *-*-solaris2* | *-*-sysv4* | *-*-irix6* | *-*-osf* | *-*-hpux11*)
450 *-*-darwin* | *-*-aix*)
453 noconfigdirs="$noconfigdirs target-libgomp"
458 # Default libgloss CPU subdirectory.
459 libgloss_dir="$target_cpu"
463 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
466 noconfigdirs="$noconfigdirs ld gas gdb gprof"
467 noconfigdirs="$noconfigdirs sim target-rda"
469 i[[3456789]]86-*-darwin*)
470 noconfigdirs="$noconfigdirs ld gprof"
471 noconfigdirs="$noconfigdirs sim target-rda"
473 x86_64-*-darwin[[912]]*)
474 noconfigdirs="$noconfigdirs ld gas gprof"
475 noconfigdirs="$noconfigdirs sim target-rda"
478 noconfigdirs="$noconfigdirs ld gas gdb gprof"
479 noconfigdirs="$noconfigdirs sim target-rda"
480 noconfigdirs="$noconfigdirs ${libgcj}"
482 *-*-freebsd[[12]] | *-*-freebsd[[12]].* | *-*-freebsd*aout*)
483 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
486 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
487 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
488 && test -f /usr/local/include/gmp.h; then
492 # Skip some stuff that's unsupported on some FreeBSD configurations.
497 noconfigdirs="$noconfigdirs ${libgcj}"
502 # Remove unsupported stuff on all kaOS configurations.
503 skipdirs="target-libiberty ${libgcj} target-libstdc++-v3 target-librx"
504 skipdirs="$skipdirs target-libobjc target-examples target-groff target-gperf"
505 skipdirs="$skipdirs zlib fastjar target-libjava target-boehm-gc target-zlib"
506 noconfigdirs="$noconfigdirs target-libgloss"
509 # Skip some stuff on all NetBSD configurations.
510 noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss"
512 # Skip some stuff that's unsupported on some NetBSD configurations.
514 i*86-*-netbsdelf*) ;;
515 arm*-*-netbsdelf*) ;;
517 noconfigdirs="$noconfigdirs ${libgcj}"
522 noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss ${libgcj} target-libmudflap"
525 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
527 # The tpf target doesn't support gdb yet.
529 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libiberty ${libgcj} target-libmudflap gdb tcl tk libgui itcl"
532 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-rda ${libgcj}"
535 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libiberty target-libstdc++-v3 ${libgcj}"
538 # ld works, but does not support shared libraries.
539 # newlib is not 64 bit ready. I'm not sure about fileutils.
540 # gas doesn't generate exception information.
541 noconfigdirs="$noconfigdirs gas ld fileutils target-newlib target-libgloss"
544 noconfigdirs="$noconfigdirs gdb ld target-newlib target-libgloss ${libgcj}"
547 # newlib is not 64 bit ready
548 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
551 # newlib is not 64 bit ready
552 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
555 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
558 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
560 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
561 noconfigdirs="$noconfigdirs ${libgcj}"
562 noconfigdirs="$noconfigdirs target-examples"
563 noconfigdirs="$noconfigdirs target-libiberty texinfo send-pr"
564 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
565 noconfigdirs="$noconfigdirs expect dejagnu"
566 # the C++ libraries don't build on top of CE's C libraries
567 noconfigdirs="$noconfigdirs target-libstdc++-v3"
568 noconfigdirs="$noconfigdirs target-newlib"
570 *-*-cygwin*) ;; # keep gdb and readline
571 *) noconfigdirs="$noconfigdirs gdb readline"
577 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
581 arm-*-coff | strongarm-*-coff | xscale-*-coff)
582 noconfigdirs="$noconfigdirs ${libgcj}"
585 arm-*-elf* | strongarm-*-elf* | xscale-*-elf* | arm*-*-eabi* )
586 noconfigdirs="$noconfigdirs target-libffi target-qthreads"
589 arm*-*-linux-gnueabi)
590 noconfigdirs="$noconfigdirs target-qthreads"
591 case ${with_newlib} in
592 no) noconfigdirs="$noconfigdirs target-newlib target-libgloss"
597 noconfigdirs="$noconfigdirs ${libgcj} target-libiberty"
601 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
604 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
607 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
610 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
613 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
616 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj} target-libssp"
619 unsupported_languages="$unsupported_languages java"
620 noconfigdirs="$noconfigdirs target-boehm-gc gdb"
621 if test x${is_cross_compiler} != xno ; then
622 target_configdirs="${target_configdirs} target-bsp target-cygmon"
626 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
628 c54x*-*-* | tic54x-*-*)
629 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj} gcc gdb newlib"
632 noconfigdirs="$noconfigdirs ${libgcj} gdb"
634 cris-*-* | crisv32-*-*)
635 unsupported_languages="$unsupported_languages java"
638 unsupported_languages="$unsupported_languages fortran"
639 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";;
641 noconfigdirs="$noconfigdirs target-boehm-gc";;
643 noconfigdirs="$noconfigdirs target-newlib target-libgloss";;
645 unsupported_languages="$unsupported_languages fortran"
646 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss";;
651 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-mudflap ${libgcj}"
654 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
657 noconfigdirs="$noconfigdirs ${libgcj} gdb"
659 ep9312-*-elf | ep9312-*-coff)
663 noconfigdirs="$noconfigdirs ${libgcj} gdb"
666 noconfigdirs="$noconfigdirs ${libgcj}"
669 noconfigdirs="$noconfigdirs ${libgcj}"
670 noconfigdirs="$noconfigdirs gprof"
673 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
676 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
678 hppa1.1-*-osf* | hppa1.1-*-bsd* )
680 hppa*64*-*-linux* | parisc*64*-*-linux*)
681 # In this case, it's because the hppa64-linux target is for
682 # the kernel only at this point and has no libc, and thus no
683 # headers, crt*.o, etc., all of which are needed by these.
684 noconfigdirs="$noconfigdirs target-zlib"
686 parisc*-*-linux* | hppa*-*-linux*)
692 noconfigdirs="$noconfigdirs ${libgcj}"
695 noconfigdirs="$noconfigdirs ld shellutils"
701 # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
702 # build on HP-UX 10.20.
703 noconfigdirs="$noconfigdirs ld shellutils ${libgcj}"
706 noconfigdirs="$noconfigdirs ${libgcj} gdb"
709 # No gdb support yet.
710 noconfigdirs="$noconfigdirs readline mmalloc libgui itcl gdb"
713 # No gdb or ld support yet.
714 noconfigdirs="$noconfigdirs ${libgcj} readline mmalloc libgui itcl gdb ld"
717 # No gdb or ld support yet.
718 noconfigdirs="$noconfigdirs ${libgcj} tix readline mmalloc libgui itcl gdb ld"
722 i[[3456789]]86-*-coff | i[[3456789]]86-*-elf)
723 noconfigdirs="$noconfigdirs ${libgcj}"
726 i[[3456789]]86-*-linux*)
727 # The GCC port for glibc1 has no MD_FALLBACK_FRAME_STATE_FOR, so let's
728 # not build java stuff by default.
731 noconfigdirs="$noconfigdirs ${libgcj}";;
734 # This section makes it possible to build newlib natively on linux.
735 # If we are using a cross compiler then don't configure newlib.
736 if test x${is_cross_compiler} != xno ; then
737 noconfigdirs="$noconfigdirs target-newlib"
739 noconfigdirs="$noconfigdirs target-libgloss"
740 # If we are not using a cross compiler, do configure newlib.
741 # Note however, that newlib will only be configured in this situation
742 # if the --with-newlib option has been given, because otherwise
743 # 'target-newlib' will appear in skipdirs.
745 i[[3456789]]86-w64-mingw*)
746 noconfigdirs="$noconfigdirs expect target-libgloss target-newlib ${libgcj}"
748 i[[3456789]]86-*-mingw*)
749 target_configdirs="$target_configdirs target-winsup"
750 noconfigdirs="$noconfigdirs expect target-libgloss target-newlib ${libgcj}"
753 noconfigdirs="$noconfigdirs expect target-libgloss target-newlib ${libgcj}"
756 target_configdirs="$target_configdirs target-libtermcap target-winsup"
757 noconfigdirs="$noconfigdirs target-gperf target-libgloss"
758 # always build newlib if winsup directory is present.
759 if test -d "$srcdir/winsup/cygwin"; then
760 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
761 elif test -d "$srcdir/newlib"; then
762 echo "Warning: winsup/cygwin is missing so newlib can't be built."
765 i[[3456789]]86-moss-msdos | i[[3456789]]86-*-moss* | \
766 i[[3456789]]86-*-uwin* | i[[3456789]]86-*-interix* )
769 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
771 i[[3456789]]86-*-sco3.2v5*)
772 # The linker does not yet know about weak symbols in COFF,
773 # and is not configured to handle mixed ELF and COFF.
774 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
776 i[[3456789]]86-*-sco*)
777 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
779 i[[3456789]]86-*-solaris2*)
780 noconfigdirs="$noconfigdirs target-libgloss"
782 i[[3456789]]86-*-sysv4*)
783 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
785 i[[3456789]]86-*-beos*)
786 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
788 i[[3456789]]86-*-rdos*)
789 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
792 noconfigdirs="$noconfigdirs ${libgcj}"
794 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
795 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
799 noconfigdirs="$noconfigdirs ${libgcj}"
802 noconfigdirs="$noconfigdirs ${libgcj}"
808 # The EPOC C++ environment does not support exceptions or rtti,
809 # and so building libstdc++-v3 tends not to always work.
810 noconfigdirs="$noconfigdirs target-libstdc++-v3"
813 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc gdb libgloss"
814 unsupported_languages="$unsupported_languages fortran java"
817 noconfigdirs="$noconfigdirs ${libgcj}"
820 noconfigdirs="$noconfigdirs ${libgcj}"
823 noconfigdirs="$noconfigdirs sim"
826 # copied from rs6000-*-* entry
827 noconfigdirs="$noconfigdirs gprof target-libgloss target-libssp target-newlib ${libgcj}"
829 powerpc*-*-winnt* | powerpc*-*-pe* | ppc*-*-pe)
830 target_configdirs="$target_configdirs target-winsup"
831 noconfigdirs="$noconfigdirs gdb tcl tk make expect target-libgloss itcl gnuserv ${libgcj}"
832 # always build newlib.
833 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
835 # This is temporary until we can link against shared libraries
836 powerpcle-*-solaris*)
837 noconfigdirs="$noconfigdirs gdb sim make tcl tk expect itcl gnuserv ${libgcj}"
841 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
844 noconfigdirs="$noconfigdirs ${libgcj}"
847 powerpc-*-eabi* | powerpcle-*-eabi* | powerpc-*-rtems* )
851 noconfigdirs="$noconfigdirs target-newlib gprof ${libgcj}"
854 noconfigdirs="$noconfigdirs gprof target-libgloss target-libssp target-newlib ${libgcj}"
857 noconfigdirs="$noconfigdirs gprof ${libgcj}"
860 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss ${libgcj}"
863 noconfigdirs="$noconfigdirs gprof ${libgcj}"
866 skipdirs="$skipdirs target-libiberty"
867 noconfigdirs="$noconfigdirs ${libgcj}"
868 if test x$with_newlib = xyes; then
869 noconfigdirs="$noconfigdirs gprof"
874 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
877 # Linking libjava exceeds command-line length limits on at least
878 # IRIX 6.2, but not on IRIX 6.5.
879 # Also, boehm-gc won't build on IRIX 6.5, according to Jeffrey Oldham
880 # <oldham@codesourcery.com>
881 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
884 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
887 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
890 noconfigdirs="$noconfigdirs gprof ${libgcj}"
894 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes target-libgloss ${libgcj}"
898 i[[3456789]]86-*-vsta) ;; # don't add gprof back in
899 i[[3456789]]86-*-go32*) ;; # don't add gprof back in
900 i[[3456789]]86-*-msdosdjgpp*) ;; # don't add gprof back in
901 *) skipdirs=`echo " ${skipdirs} " | sed -e 's/ gprof / /'` ;;
905 noconfigdirs="$noconfigdirs ${libgcj}" ;;
907 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}" ;;
910 sparclet-*-aout* | sparc86x-*-*)
914 noconfigdirs="$noconfigdirs ${libgcj}"
917 noconfigdirs="$noconfigdirs ${libgcj}"
921 noconfigdirs="$noconfigdirs ${libgcj}"
925 noconfigdirs="$noconfigdirs ${libgcj}"
926 if test x${is_cross_compiler} != xno ; then
927 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
932 sparc-*-solaris2.[[0-6]] | sparc-*-solaris2.[[0-6]].*)
933 noconfigdirs="$noconfigdirs ${libgcj}"
935 sparc-*-solaris* | sparc64-*-solaris* | sparcv9-*-solaris*)
938 noconfigdirs="$noconfigdirs bfd binutils gas gcc gdb ld target-libstdc++-v3 opcodes target-libgloss ${libgcj}"
941 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
944 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
947 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
950 noconfigdirs="$noconfigdirs bfd binutils gdb ld target-newlib opcodes target-libgloss ${libgcj}"
953 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
956 noconfigdirs="$noconfigdirs ${libgcj}"
959 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
961 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
962 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
965 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
968 noconfigdirs="$noconfigdirs ${libgcj}"
972 # If we aren't building newlib, then don't build libgloss, since libgloss
973 # depends upon some newlib header files.
974 case "${noconfigdirs}" in
975 *target-libgloss*) ;;
976 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
979 # Work in distributions that contain no compiler tools, like Autoconf.
981 host_makefile_frag=/dev/null
982 if test -d ${srcdir}/config ; then
985 # Avoid "too much defining" errors from HPUX compiler.
986 tentative_cc="cc -Wp,-H256000"
987 # If "ar" in $PATH is GNU ar, the symbol table may need rebuilding.
988 # If it's HP/UX ar, this should be harmless.
992 tentative_cc="cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DUSG"
995 #None of the Apollo compilers can compile gas or binutils. The preprocessor
996 # chokes on bfd, the compiler won't let you assign integers to enums, and
997 # other problems. Defining CC to gcc is a questionable way to say "don't use
998 # the apollo compiler" (the preferred version of GCC could be called cc,
999 # or whatever), but I'm not sure leaving CC as cc is any better...
1000 #CC=cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DNO_STDARG
1001 # Used to have BISON=yacc.
1005 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
1008 # Under CX/UX, we want to tell the compiler to use ANSI mode.
1009 tentative_cc="cc -Xa"
1010 host_makefile_frag="config/mh-cxux"
1012 m88k-motorola-sysv*)
1015 tentative_cc="cc -Wf,-XNg1000"
1016 host_makefile_frag="config/mh-decstation"
1019 # The C compiler on NEC MIPS SVR4 needs bigger tables.
1020 tentative_cc="cc -ZXNd=5000 -ZXNg=1000"
1021 host_makefile_frag="config/mh-necv4"
1024 # Tell compiler to use K&R C. We can't compile under the SGI Ansi
1025 # environment. Also bump switch table size so that cp-parse will
1026 # compile. Bump string length limit so linker builds.
1027 tentative_cc="cc -cckr -Wf,-XNg1500 -Wf,-XNk1000 -Wf,-XNh2000 -Wf,-XNl8192"
1030 host_makefile_frag="config/mh-sysv4"
1033 # This is for a MIPS running RISC/os 4.52C.
1035 # This is needed for GDB, but needs to be in the top-level make because
1036 # if a library is compiled with the bsd headers and gets linked with the
1037 # sysv system libraries all hell can break loose (e.g. a jmp_buf might be
1038 # a different size).
1039 # ptrace(2) apparently has problems in the BSD environment. No workaround is
1040 # known except to select the sysv environment. Could we use /proc instead?
1041 # These "sysv environments" and "bsd environments" often end up being a pain.
1043 # This is not part of CFLAGS because perhaps not all C compilers have this
1045 tentative_cc="cc -systype sysv"
1050 i[[3456789]]86-*-sysv5*)
1051 host_makefile_frag="config/mh-sysv5"
1053 i[[3456789]]86-*-dgux*)
1054 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
1055 host_makefile_frag="config/mh-dgux386"
1057 i[[3456789]]86-ncr-sysv4.3*)
1058 # The MetaWare compiler will generate a copyright message unless you
1059 # turn it off by adding the -Hnocopyr flag.
1060 tentative_cc="cc -Hnocopyr"
1062 i[[3456789]]86-ncr-sysv4*)
1063 # for an NCR 3000 (i486/SVR4) system.
1064 # The NCR 3000 ships with a MetaWare compiler installed as /bin/cc.
1065 # This compiler not only emits obnoxious copyright messages every time
1066 # you run it, but it chokes and dies on a whole bunch of GNU source
1067 # files. Default to using the AT&T compiler installed in /usr/ccs/ATT/cc.
1068 tentative_cc="/usr/ccs/ATT/cc"
1069 host_makefile_frag="config/mh-ncr3000"
1071 i[[3456789]]86-*-sco3.2v5*)
1073 i[[3456789]]86-*-sco*)
1074 # The native C compiler botches some simple uses of const. Unfortunately,
1075 # it doesn't defined anything like "__sco__" for us to test for in ansidecl.h.
1076 tentative_cc="cc -Dconst="
1077 host_makefile_frag="config/mh-sco"
1079 i[[3456789]]86-*-udk*)
1080 host_makefile_frag="config/mh-sysv5"
1082 i[[3456789]]86-*-solaris2*)
1083 host_makefile_frag="config/mh-sysv4"
1085 i[[3456789]]86-*-msdosdjgpp*)
1086 host_makefile_frag="config/mh-djgpp"
1089 ACX_CHECK_CYGWIN_CAT_WORKS
1090 host_makefile_frag="config/mh-cygwin"
1093 host_makefile_frag="config/mh-mingw"
1096 host_makefile_frag="config/mh-interix"
1099 # The old BSD pcc isn't up to compiling parts of gdb so use gcc
1103 host_makefile_frag="config/mh-solaris"
1106 # Sun's C compiler needs the -J flag to be able to compile cp-parse.c
1107 # without overflowing the jump tables (-J says to use a 32 bit table)
1108 tentative_cc="cc -J"
1111 tentative_cc="cc -Wp,-H256000"
1112 host_makefile_frag="config/mh-pa-hpux10"
1114 hppa*-hp-hpux* | hppa*-*-hiux*)
1115 tentative_cc="cc -Wp,-H256000"
1116 host_makefile_frag="config/mh-pa"
1119 host_makefile_frag="config/mh-pa"
1121 *-hp-hpux* | *-*-hiux*)
1122 tentative_cc="cc -Wp,-H256000"
1125 # /bin/cc is less than useful for our purposes. Always use GCC
1126 tentative_cc="/usr/cygnus/progressive/bin/gcc"
1127 host_makefile_frag="config/mh-lynxrs6k"
1130 host_makefile_frag="config/mh-ppc-darwin"
1133 host_makefile_frag="config/mh-ppc-aix"
1136 host_makefile_frag="config/mh-ppc-aix"
1139 # /bin/cc is less than useful for our purposes. Always use GCC
1140 tentative_cc="/bin/gcc"
1143 host_makefile_frag="config/mh-sysv4"
1145 # This is placed last to prevent interfering with the cases above.
1147 # Build the stage2 and stage3 compilers with -fomit-frame-pointer.
1148 host_makefile_frag="config/mh-x86omitfp"
1153 # If we aren't going to be using gcc, see if we can extract a definition
1154 # of CC from the fragment.
1155 # Actually, use the 'pre-extracted' version above.
1156 if test -z "${CC}" && test "${build}" = "${host}" ; then
1157 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
1159 for dir in $PATH; do
1160 test -z "$dir" && dir=.
1161 if test -f $dir/gcc; then
1167 if test -z "${found}" && test -n "${tentative_cc}" ; then
1172 if test "${build}" != "${host}" ; then
1173 AR_FOR_BUILD=${AR_FOR_BUILD-ar}
1174 AS_FOR_BUILD=${AS_FOR_BUILD-as}
1175 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
1176 CXX_FOR_BUILD=${CXX_FOR_BUILD-g++}
1177 GCJ_FOR_BUILD=${GCJ_FOR_BUILD-gcj}
1178 GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran}
1179 DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool}
1180 LD_FOR_BUILD=${LD_FOR_BUILD-ld}
1181 NM_FOR_BUILD=${NM_FOR_BUILD-nm}
1182 RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib}
1183 WINDRES_FOR_BUILD=${WINDRES_FOR_BUILD-windres}
1184 WINDMC_FOR_BUILD=${WINDMC_FOR_BUILD-windmc}
1186 AR_FOR_BUILD="\$(AR)"
1187 AS_FOR_BUILD="\$(AS)"
1188 CC_FOR_BUILD="\$(CC)"
1189 CXX_FOR_BUILD="\$(CXX)"
1190 GCJ_FOR_BUILD="\$(GCJ)"
1191 GFORTRAN_FOR_BUILD="\$(GFORTRAN)"
1192 DLLTOOL_FOR_BUILD="\$(DLLTOOL)"
1193 LD_FOR_BUILD="\$(LD)"
1194 NM_FOR_BUILD="\$(NM)"
1195 RANLIB_FOR_BUILD="\$(RANLIB)"
1196 WINDRES_FOR_BUILD="\$(WINDRES)"
1197 WINDMC_FOR_BUILD="\$(WINDMC)"
1203 # We must set the default linker to the linker used by gcc for the correct
1204 # operation of libtool. If LD is not defined and we are using gcc, try to
1205 # set the LD default to the ld used by gcc.
1206 if test -z "$LD"; then
1207 if test "$GCC" = yes; then
1210 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1212 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1214 case $gcc_prog_ld in
1215 # Accept absolute paths.
1216 [[\\/]* | [A-Za-z]:[\\/]*)]
1217 LD="$gcc_prog_ld" ;;
1223 ACX_PROG_CMP_IGNORE_INITIAL
1225 # See if we are building gcc with C++.
1226 AC_ARG_ENABLE(build-with-cxx,
1227 [ --enable-build-with-cxx build with C++ compiler instead of C compiler],
1228 ENABLE_BUILD_WITH_CXX=$enableval,
1229 ENABLE_BUILD_WITH_CXX=no)
1231 # Check for GMP, MPFR and MPC
1232 gmplibs="-lmpc -lmpfr -lgmp"
1236 # Specify a location for mpc
1237 # check for this first so it ends up on the link line before mpfr.
1238 AC_ARG_WITH(mpc, [ --with-mpc=PATH specify prefix directory for installed MPC package.
1239 Equivalent to --with-mpc-include=PATH/include
1240 plus --with-mpc-lib=PATH/lib])
1241 AC_ARG_WITH(mpc_include, [ --with-mpc-include=PATH
1242 specify directory for installed MPC include files])
1243 AC_ARG_WITH(mpc_lib, [ --with-mpc-lib=PATH specify directory for the installed MPC library])
1245 if test "x$with_mpc" != x; then
1246 gmplibs="-L$with_mpc/lib $gmplibs"
1247 gmpinc="-I$with_mpc/include $gmpinc"
1249 if test "x$with_mpc_include" != x; then
1250 gmpinc="-I$with_mpc_include $gmpinc"
1252 if test "x$with_mpc_lib" != x; then
1253 gmplibs="-L$with_mpc_lib $gmplibs"
1255 if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then
1256 gmplibs='-L$$r/$(HOST_SUBDIR)/mpc/src/.libs -L$$r/$(HOST_SUBDIR)/mpc/src/_libs '"$gmplibs"
1257 gmpinc='-I$$s/mpc/src '"$gmpinc"
1258 # Do not test the mpc version. Assume that it is sufficient, since
1259 # it is in the source tree, and the library has not been built yet
1260 # but it would be included on the link line in the version check below
1261 # hence making the test fail.
1265 # Specify a location for mpfr
1266 # check for this first so it ends up on the link line before gmp.
1267 AC_ARG_WITH(mpfr-dir, [ --with-mpfr-dir=PATH this option has been REMOVED],
1268 AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed.
1269 Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH]))
1271 AC_ARG_WITH(mpfr, [ --with-mpfr=PATH specify prefix directory for installed MPFR package.
1272 Equivalent to --with-mpfr-include=PATH/include
1273 plus --with-mpfr-lib=PATH/lib])
1274 AC_ARG_WITH(mpfr_include, [ --with-mpfr-include=PATH
1275 specify directory for installed MPFR include files])
1276 AC_ARG_WITH(mpfr_lib, [ --with-mpfr-lib=PATH specify directory for the installed MPFR library])
1278 if test "x$with_mpfr" != x; then
1279 gmplibs="-L$with_mpfr/lib $gmplibs"
1280 gmpinc="-I$with_mpfr/include $gmpinc"
1282 if test "x$with_mpfr_include" != x; then
1283 gmpinc="-I$with_mpfr_include $gmpinc"
1285 if test "x$with_mpfr_lib" != x; then
1286 gmplibs="-L$with_mpfr_lib $gmplibs"
1288 if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then
1289 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/.libs -L$$r/$(HOST_SUBDIR)/mpfr/_libs '"$gmplibs"
1290 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr -I$$s/mpfr '"$gmpinc"
1291 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr'
1292 # Do not test the mpfr version. Assume that it is sufficient, since
1293 # it is in the source tree, and the library has not been built yet
1294 # but it would be included on the link line in the version check below
1295 # hence making the test fail.
1299 # Specify a location for gmp
1300 AC_ARG_WITH(gmp-dir, [ --with-gmp-dir=PATH this option has been REMOVED],
1301 AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed.
1302 Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH]))
1304 AC_ARG_WITH(gmp, [ --with-gmp=PATH specify prefix directory for the installed GMP package.
1305 Equivalent to --with-gmp-include=PATH/include
1306 plus --with-gmp-lib=PATH/lib])
1307 AC_ARG_WITH(gmp_include, [ --with-gmp-include=PATH specify directory for installed GMP include files])
1308 AC_ARG_WITH(gmp_lib, [ --with-gmp-lib=PATH specify directory for the installed GMP library])
1311 if test "x$with_gmp" != x; then
1312 gmplibs="-L$with_gmp/lib $gmplibs"
1313 gmpinc="-I$with_gmp/include $gmpinc"
1315 if test "x$with_gmp_include" != x; then
1316 gmpinc="-I$with_gmp_include $gmpinc"
1318 if test "x$with_gmp_lib" != x; then
1319 gmplibs="-L$with_gmp_lib $gmplibs"
1321 if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then
1322 gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/.libs -L$$r/$(HOST_SUBDIR)/gmp/_libs '"$gmplibs"
1323 gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc"
1324 extra_mpfr_configure_flags='--with-gmp-build=$$r/$(HOST_SUBDIR)/gmp'
1325 extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp'
1326 # Do not test the gmp 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 if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then
1335 saved_CFLAGS="$CFLAGS"
1336 CFLAGS="$CFLAGS $gmpinc"
1337 # Check GMP actually works
1338 AC_MSG_CHECKING([for correct version of gmp.h])
1339 AC_TRY_COMPILE([#include "gmp.h"],[
1340 #if __GNU_MP_VERSION < 4 || (__GNU_MP_VERSION == 4 && __GNU_MP_VERSION_MINOR < 2)
1343 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1345 # If we have GMP, check the MPFR version.
1346 if test x"$have_gmp" = xyes; then
1347 dnl MPFR 2.3.1 is acceptable, but MPFR 2.3.2 is better.
1348 AC_MSG_CHECKING([for correct version of mpfr.h])
1349 AC_TRY_COMPILE([#include <gmp.h>
1350 #include <mpfr.h>],[
1351 #if MPFR_VERSION < MPFR_VERSION_NUM(2,3,1)
1354 ], AC_TRY_COMPILE([#include <gmp.h>
1355 #include <mpfr.h>],[
1356 #if MPFR_VERSION < MPFR_VERSION_NUM(2,3,2)
1359 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])]),
1360 [AC_MSG_RESULT([no]); have_gmp=no])
1363 # Check for the MPC header version.
1364 if test x"$have_gmp" = xyes ; then
1365 AC_MSG_CHECKING([for the correct version of mpc.h])
1366 AC_TRY_COMPILE([#include <mpc.h>],[
1367 #if MPC_VERSION < MPC_VERSION_NUM (0,8,0)
1370 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1373 # Now check the MPFR library.
1374 if test x"$have_gmp" = xyes; then
1376 LIBS="$LIBS $gmplibs"
1377 AC_MSG_CHECKING([for the correct version of the gmp/mpfr/mpc libraries])
1378 AC_TRY_LINK([#include <mpc.h>],[
1385 mpfr_atan2 (n, n, x, GMP_RNDN);
1386 mpfr_erfc (n, x, GMP_RNDN);
1387 mpfr_subnormalize (x, t, GMP_RNDN);
1391 mpc_set_ui_ui (c, 1, 1, MPC_RNDNN);
1392 mpc_cosh (c, c, MPC_RNDNN);
1393 mpc_pow (c, c, c, MPC_RNDNN);
1394 mpc_acosh (c, c, MPC_RNDNN);
1396 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1400 CFLAGS="$saved_CFLAGS"
1402 if test x$have_gmp != xyes; then
1403 AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 2.3.2+ and MPC 0.8.0+.
1404 Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify
1405 their locations. Source code for these libraries can be found at
1406 their respective hosting sites as well as at
1407 ftp://gcc.gnu.org/pub/gcc/infrastructure/. See also
1408 http://gcc.gnu.org/install/prerequisites.html for additional info. If
1409 you obtained GMP, MPFR and/or MPC from a vendor distribution package,
1410 make sure that you have installed both the libraries and the header
1411 files. They may be located in separate packages.])
1415 # Flags needed for both GMP, MPFR and/or MPC.
1418 AC_SUBST(extra_mpfr_configure_flags)
1419 AC_SUBST(extra_mpc_gmp_configure_flags)
1420 AC_SUBST(extra_mpc_mpfr_configure_flags)
1422 # Allow host libstdc++ to be specified for static linking with PPL.
1423 AC_ARG_WITH(host-libstdcxx, [ --with-host-libstdcxx=L Use linker arguments L to link with libstdc++
1424 when linking with PPL])
1426 case $with_host_libstdcxx in
1428 AC_MSG_ERROR([-with-host-libstdcxx needs an argument])
1432 # Linker flags to use for stage1 or when not boostrapping.
1433 AC_ARG_WITH(stage1-ldflags,
1434 [ --with-stage1-ldflags=FLAGS Linker flags for stage1],
1435 [if test "$withval" = "no" -o "$withval" = "yes"; then
1438 stage1_ldflags=$withval
1441 AC_SUBST(stage1_ldflags)
1443 # Libraries to use for stage1 or when not bootstrapping.
1444 AC_ARG_WITH(stage1-libs,
1445 [ -with-stage1-libs=LIBS Libraries for stage1],
1446 [if test "$withval" = "no" -o "$withval" = "yes"; then
1449 stage1_libs=$withval
1451 [stage1_libs=$with_host_libstdcxx])
1452 AC_SUBST(stage1_libs)
1454 # Libraries to use for stage2 and later builds. This defaults to the
1455 # argument passed to --with-host-libstdcxx.
1456 AC_ARG_WITH(boot-libs,
1457 [ --with-boot-libs=LIBS Libraries for stage2 and later],
1458 [if test "$withval" = "no" -o "$withval" = "yes"; then
1461 poststage1_libs=$withval
1463 [poststage1_libs=$with_host_libstdcxx])
1464 AC_SUBST(poststage1_libs)
1466 # Linker flags to use for stage2 and later builds.
1467 AC_ARG_WITH(boot-ldflags,
1468 [ --with-boot-ldflags=FLAGS Linker flags for stage2 and later],
1469 [if test "$withval" = "no" -o "$withval" = "yes"; then
1472 poststage1_ldflags=$withval
1474 [poststage1_ldflags=
1475 # With --enable-build-with-cxx, default to linking libstdc++ and
1476 # libgcc statically. But if the user explicitly specified the
1477 # libraries to use, trust that they are doing what they want.
1478 if test "$ENABLE_BUILD_WITH_CXX" = "yes" -a "$poststage1_libs" = ""; then
1479 poststage1_ldflags="-static-libstdc++ -static-libgcc"
1481 AC_SUBST(poststage1_ldflags)
1485 ppl_minor_version=10
1486 ppllibs=" -lppl_c -lppl -lgmpxx"
1489 AC_ARG_WITH(ppl, [ --with-ppl=PATH Specify prefix directory for the installed PPL package
1490 Equivalent to --with-ppl-include=PATH/include
1491 plus --with-ppl-lib=PATH/lib])
1492 AC_ARG_WITH(ppl_include, [ --with-ppl-include=PATH Specify directory for installed PPL include files])
1493 AC_ARG_WITH(ppl_lib, [ --with-ppl-lib=PATH Specify the directory for the installed PPL library])
1502 ppllibs="-L$with_ppl/lib -lppl_c -lppl -lgmpxx"
1503 pplinc="-I$with_ppl/include $pplinc"
1506 if test "x$with_ppl_include" != x; then
1507 pplinc="-I$with_ppl_include $pplinc"
1509 if test "x$with_ppl_lib" != x; then
1510 ppllibs="-L$with_ppl_lib -lppl_c -lppl -lgmpxx"
1512 if test "x$with_ppl$with_ppl_include$with_ppl_lib" = x && test -d ${srcdir}/ppl; then
1513 ppllibs='-L$$r/$(HOST_SUBDIR)/ppl/interfaces/C/.libs -L$$r/$(HOST_SUBDIR)/ppl/interfaces/C/_libs -L$$r/$(HOST_SUBDIR)/ppl/src/.libs -L$$r/$(HOST_SUBDIR)/ppl/src/_libs -lppl_c -lppl -lgmpxx '
1514 pplinc='-I$$r/$(HOST_SUBDIR)/ppl/src -I$$r/$(HOST_SUBDIR)/ppl/interfaces/C '
1515 enable_ppl_version_check=no
1518 AC_ARG_ENABLE(ppl-version-check,
1519 [ --disable-ppl-version-check disable check for PPL version],
1520 ENABLE_PPL_CHECK=$enableval,
1521 ENABLE_PPL_CHECK=yes)
1523 if test "x$with_ppl" != "xno" -a "${ENABLE_PPL_CHECK}" = "yes"; then
1524 saved_CFLAGS="$CFLAGS"
1525 CFLAGS="$CFLAGS $pplinc $gmpinc"
1526 AC_MSG_CHECKING([for version $ppl_major_version.$ppl_minor_version of PPL])
1527 AC_TRY_COMPILE([#include "ppl_c.h"],[
1528 #if PPL_VERSION_MAJOR != $ppl_major_version || PPL_VERSION_MINOR != $ppl_minor_version
1531 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); ppllibs= ; pplinc= ; with_ppl=no ])
1532 CFLAGS="$saved_CFLAGS"
1535 # Flags needed for PPL
1541 clooglibs=" -lcloog "
1542 clooginc=" -DCLOOG_PPL_BACKEND "
1544 AC_ARG_WITH(cloog, [ --with-cloog=PATH Specify prefix directory for the installed CLooG-PPL package
1545 Equivalent to --with-cloog-include=PATH/include
1546 plus --with-cloog-lib=PATH/lib])
1547 AC_ARG_WITH(cloog_include, [ --with-cloog-include=PATH Specify directory for installed CLooG include files])
1548 AC_ARG_WITH(cloog_lib, [ --with-cloog-lib=PATH Specify the directory for the installed CLooG library])
1550 if test "x$with_ppl" = "xno"; then
1562 clooglibs="-L$with_cloog/lib -lcloog"
1563 clooginc="-I$with_cloog/include -DCLOOG_PPL_BACKEND "
1566 if test "x$with_cloog_include" != x; then
1567 clooginc="-I$with_cloog_include -DCLOOG_PPL_BACKEND "
1569 if test "x$with_cloog_lib" != x; then
1570 clooglibs="-L$with_cloog_lib -lcloog"
1572 if test "x$with_cloog$with_cloog_include$with_cloog_lib" = x && test -d ${srcdir}/cloog; then
1573 clooglibs='-L$$r/$(HOST_SUBDIR)/cloog/.libs -L$$r/$(HOST_SUBDIR)/cloog/_libs -lcloog '
1574 clooginc='-I$$r/$(HOST_SUBDIR)/cloog/include -I$$s/cloog/include -DCLOOG_PPL_BACKEND '
1575 enable_cloog_version_check=no
1578 AC_ARG_ENABLE(cloog-version-check,
1579 [ --disable-cloog-version-check disable check for CLooG version],
1580 ENABLE_CLOOG_CHECK=$enableval,
1581 ENABLE_CLOOG_CHECK=yes)
1583 if test "x$with_cloog" != "xno" -a "${ENABLE_CLOOG_CHECK}" = "yes"; then
1584 saved_CFLAGS="$CFLAGS"
1585 CFLAGS="$CFLAGS $clooginc $gmpinc $pplinc"
1586 AC_MSG_CHECKING([for version 0.15.5 (or later revision) of CLooG])
1587 AC_TRY_COMPILE([#include "cloog/cloog.h"],[
1588 #if CLOOG_VERSION_MAJOR != 0 || CLOOG_VERSION_MINOR != 15 || CLOOG_VERSION_REVISION < 5
1591 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); clooglibs= ; clooginc= ])
1592 CFLAGS="$saved_CFLAGS"
1595 # Flags needed for CLOOG
1599 # Check for LTO support.
1601 [ --enable-lto enable link time optimization support],
1602 enable_lto=$enableval,
1603 enable_lto=yes; default_enable_lto=yes)
1605 ACX_ELF_TARGET_IFELSE([],
1606 if test x"$default_enable_lto" = x"yes" ; then
1609 if test x"$enable_lto" = x"yes"; then
1610 AC_MSG_ERROR([LTO support requires an ELF target.])
1613 default_enable_lto=no)
1615 if test x"$enable_lto" = x"yes" ; then
1616 # Make sure that libelf.h and gelf.h are available.
1617 AC_ARG_WITH(libelf, [ --with-libelf=PATH Specify prefix directory for the installed libelf package
1618 Equivalent to --with-libelf-include=PATH/include
1619 plus --with-libelf-lib=PATH/lib])
1621 AC_ARG_WITH(libelf_include, [ --with-libelf-include=PATH Specify directory for installed libelf include files])
1623 AC_ARG_WITH(libelf_lib, [ --with-libelf-lib=PATH Specify the directory for the installed libelf library])
1625 saved_CFLAGS="$CFLAGS"
1626 saved_CPPFLAGS="$CPPFLAGS"
1629 case $with_libelf in
1632 libelfinc="-I/usr/include/libelf"
1635 libelflibs="-L$with_libelf/lib -lelf"
1636 libelfinc="-I$with_libelf/include -I$with_libelf/include/libelf"
1637 LIBS="$libelflibs $LIBS"
1641 if test "x$with_libelf_include" != x; then
1642 libelfinc="-I$with_libelf_include"
1645 if test "x$with_libelf_lib" != x; then
1646 libelflibs="-L$with_libelf_lib -lelf"
1647 LIBS="$libelflibs $LIBS"
1650 if test "x$with_libelf$with_libelf_include$with_libelf_lib" = x \
1651 && test -d ${srcdir}/libelf; then
1652 libelflibs='-L$$r/$(HOST_SUBDIR)/libelf/lib -lelf '
1653 libelfinc='-D__LIBELF_INTERNAL__ -I$$r/$(HOST_SUBDIR)/libelf/lib -I$$s/libelf/lib'
1654 LIBS="$libelflibs $LIBS"
1658 CFLAGS="$CFLAGS $libelfinc"
1659 CPPFLAGS="$CPPFLAGS $libelfinc"
1660 LIBS="$LIBS $libelflibs"
1662 AC_CHECK_HEADERS(libelf.h, [have_libelf_h=yes])
1663 AC_CHECK_HEADERS(gelf.h, [have_gelf_h=yes])
1665 AC_CHECK_HEADERS(libelf/libelf.h, [have_libelf_libelf_h=yes])
1666 AC_CHECK_HEADERS(libelf/gelf.h, [have_libelf_gelf_h=yes])
1668 # If we couldn't find libelf.h and the user forced it, emit an error.
1669 if test x"$have_libelf_h" != x"yes" \
1670 && test x"$have_libelf_libelf_h" != x"yes" ; then
1671 if test x"$default_enable_lto" != x"yes" ; then
1672 AC_MSG_ERROR([LTO support requires libelf.h or libelf/libelf.h.])
1680 # If we couldn't find gelf.h and the user forced it, emit an error.
1681 if test x"$have_gelf_h" != x"yes" \
1682 && test x"$have_libelf_gelf_h" != x"yes" ; then
1683 if test x"$default_enable_lto" != x"yes" ; then
1684 AC_MSG_ERROR([LTO support requires gelf.h or libelf/gelf.h.])
1692 # Check that the detected libelf has the functions we need. We cannot
1693 # rely on just detecting the headers since they do not include
1694 # versioning information. Add functions, if needed.
1695 if test x"$enable_lto" = x"yes" ; then
1696 AC_MSG_CHECKING([for the correct version of libelf])
1698 [#include <libelf.h>],[
1702 elf_strptr (0, 0, 0);
1703 elf_getident (0, 0);
1704 elf_getshdrstrndx (0, 0);
1705 elf_begin (0, 0, 0);
1709 [AC_MSG_RESULT([yes]);],
1710 [AC_MSG_RESULT([no]); enable_lto=no; libelflibs= ; libelfinc= ]
1713 # If we couldn't enable LTO and the user forced it, emit an error.
1714 if test x"$enable_lto" = x"no" \
1715 && test x"$default_enable_lto" != x"yes" ; then
1716 AC_MSG_ERROR([To enable LTO, GCC requires libelf v0.8.12+.
1717 Try the --with-libelf, --with-libelf-include and --with-libelf-lib options
1718 to specify its location.])
1722 CFLAGS="$saved_CFLAGS"
1723 CPPFLAGS="$saved_CPPFLAGS"
1728 # Flags needed for libelf.
1729 AC_SUBST(libelflibs)
1734 # By default, C is the only stage 1 language.
1735 stage1_languages=,c,
1737 # Target libraries that we bootstrap.
1738 bootstrap_target_libs=,target-libgcc,
1740 # Figure out what language subdirectories are present.
1741 # Look if the user specified --enable-languages="..."; if not, use
1742 # the environment variable $LANGUAGES if defined. $LANGUAGES might
1744 # NB: embedded tabs in this IF block -- do not untabify
1745 if test -d ${srcdir}/gcc; then
1746 if test x"${enable_languages+set}" != xset; then
1747 if test x"${LANGUAGES+set}" = xset; then
1748 enable_languages="${LANGUAGES}"
1749 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1751 enable_languages=all
1754 if test x"${enable_languages}" = x ||
1755 test x"${enable_languages}" = xyes;
1757 echo configure.in: --enable-languages needs at least one language argument 1>&2
1761 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1763 # 'f95' is the old name for the 'fortran' language. We issue a warning
1764 # and make the substitution.
1765 case ,${enable_languages}, in
1767 echo configure.in: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2
1768 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'`
1772 # First scan to see if an enabled language requires some other language.
1773 # We assume that a given config-lang.in will list all the language
1774 # front ends it requires, even if some are required indirectly.
1775 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1776 case ${lang_frag} in
1778 # The odd quoting in the next line works around
1779 # an apparent bug in bash 1.12 on linux.
1780 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1782 # From the config-lang.in, get $language, $lang_requires
1786 for other in ${lang_requires} ; do
1787 case ,${enable_languages}, in
1791 echo " \`$other' language required by \`$language'; enabling" 1>&2
1792 enable_languages="${enable_languages},${other}"
1800 new_enable_languages=,c,
1802 # If LTO is enabled, add the LTO front end.
1803 extra_host_libiberty_configure_flags=
1804 if test "$enable_lto" = "yes" ; then
1805 case ,${enable_languages}, in
1807 *) enable_languages="${enable_languages},lto" ;;
1809 if test "${ENABLE_GOLD}" = "yes" ; then
1810 configdirs="$configdirs lto-plugin"
1811 extra_host_libiberty_configure_flags=--enable-shared
1814 AC_SUBST(extra_host_libiberty_configure_flags)
1816 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
1817 potential_languages=,c,
1819 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1820 case ${lang_frag} in
1822 # The odd quoting in the next line works around
1823 # an apparent bug in bash 1.12 on linux.
1824 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1826 # From the config-lang.in, get $language, $target_libs,
1827 # $lang_dirs, $boot_language, and $build_by_default
1833 build_by_default=yes
1835 if test x${language} = x; then
1836 echo "${lang_frag} doesn't set \$language." 1>&2
1840 if test "$language" = "c++" \
1841 && test "$ENABLE_BUILD_WITH_CXX" = "yes"; then
1845 case ,${enable_languages}, in
1847 # Language was explicitly selected; include it.
1851 # 'all' was selected, select it if it is a default language
1852 add_this_lang=${build_by_default}
1859 # Disable languages that need other directories if these aren't available.
1860 for i in $subdir_requires; do
1861 test -f "$srcdir/gcc/$i/config-lang.in" && continue
1862 case ,${enable_languages}, in
1864 # Specifically requested language; tell them.
1865 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing])
1869 add_this_lang=unsupported
1874 # Disable Ada if no preexisting GNAT is available.
1875 case ,${enable_languages},:${language}:${have_gnat} in
1876 *,${language},*:ada:no)
1877 # Specifically requested language; tell them.
1878 AC_MSG_ERROR([GNAT is required to build $language])
1882 add_this_lang=unsupported
1886 # Disable a language that is unsupported by the target.
1887 case " $unsupported_languages " in
1889 add_this_lang=unsupported
1893 case $add_this_lang in
1895 # Remove language-dependent dirs.
1896 eval noconfigdirs='"$noconfigdirs "'\"$target_libs $lang_dirs\"
1899 # Remove language-dependent dirs; still show language as supported.
1900 eval noconfigdirs='"$noconfigdirs "'\"$target_libs $lang_dirs\"
1901 potential_languages="${potential_languages}${language},"
1904 new_enable_languages="${new_enable_languages}${language},"
1905 potential_languages="${potential_languages}${language},"
1906 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
1907 case "${boot_language}:,$enable_stage1_languages," in
1908 yes:* | *:*,$language,* | *:*,yes, | *:*,all,)
1909 # Add to (comma-separated) list of stage 1 languages.
1910 case ",$stage1_languages," in
1911 *,$language,* | ,yes, | ,all,) ;;
1912 *) stage1_languages="${stage1_languages}${language}," ;;
1914 # We need to bootstrap any supporting libraries.
1915 bootstrap_target_libs="${bootstrap_target_libs}${target_libs},"
1924 AC_ARG_ENABLE(stage1-languages,
1925 [ --enable-stage1-languages@<:@=all@:>@ choose additional languages to build during
1926 stage1. Mostly useful for compiler development.],
1927 [case ,${enable_stage1_languages}, in
1929 # Set it to something that will have no effect in the loop below
1930 enable_stage1_languages=c ;;
1932 enable_stage1_languages=`echo $new_enable_languages | \
1933 sed -e "s/^,//" -e "s/,$//" ` ;;
1935 enable_stage1_languages=`echo ,$enable_stage1_languages, | \
1936 sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;;
1939 # Add "good" languages from enable_stage1_languages to stage1_languages,
1940 # while "bad" languages go in missing_languages. Leave no duplicates.
1941 for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do
1942 case $potential_languages in
1944 case $stage1_languages in
1946 *) stage1_languages="$stage1_languages$i," ;;
1949 case $missing_languages in
1951 *) missing_languages="$missing_languages$i," ;;
1956 # Remove leading/trailing commas that were added for simplicity
1957 potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"`
1958 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
1959 stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"`
1960 new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"`
1962 if test "x$missing_languages" != x; then
1964 The following requested languages could not be built: ${missing_languages}
1965 Supported languages are: ${potential_languages}])
1967 if test "x$new_enable_languages" != "x$enable_languages"; then
1968 echo The following languages will be built: ${new_enable_languages}
1969 enable_languages="$new_enable_languages"
1972 AC_SUBST(stage1_languages)
1973 ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" `
1976 # Handle --disable-<component> generically.
1977 for dir in $configdirs $build_configdirs $target_configdirs ; do
1978 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g`
1979 varname=`echo $dirname | sed -e s/+/_/g`
1980 if eval test x\${enable_${varname}} "=" xno ; then
1981 noconfigdirs="$noconfigdirs $dir"
1985 # Check for Boehm's garbage collector
1986 AC_ARG_ENABLE(objc-gc,
1987 [ --enable-objc-gc enable use of Boehm's garbage collector with the
1988 GNU Objective-C runtime],
1989 [case ,${enable_languages},:${enable_objc_gc}:${noconfigdirs} in
1990 *,objc,*:*:yes:*target-boehm-gc*)
1991 AC_MSG_ERROR([Boehm's garbage collector was requested yet not supported in this configuration])
1995 # Make sure we only build Boehm's garbage collector if required.
1996 case ,${enable_languages},:${enable_objc_gc} in
1998 # Keep target-boehm-gc if requested for Objective-C.
2001 # Otherwise remove target-boehm-gc depending on target-libjava.
2002 if echo " ${noconfigdirs} " | grep "target-libjava" >/dev/null 2>&1; then
2003 noconfigdirs="$noconfigdirs target-boehm-gc"
2008 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
2009 # $build_configdirs and $target_configdirs.
2010 # If we have the source for $noconfigdirs entries, add them to $notsupp.
2013 for dir in . $skipdirs $noconfigdirs ; do
2014 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
2015 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2016 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
2017 if test -r $srcdir/$dirname/configure ; then
2018 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2021 notsupp="$notsupp $dir"
2025 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2026 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"`
2027 if test -r $srcdir/$dirname/configure ; then
2028 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2031 notsupp="$notsupp $dir"
2035 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2036 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
2037 if test -r $srcdir/$dirname/configure ; then
2038 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2041 notsupp="$notsupp $dir"
2047 # Sometimes the tools are distributed with libiberty but with no other
2048 # libraries. In that case, we don't want to build target-libiberty.
2049 # Don't let libgcc imply libiberty either.
2050 if test -n "${target_configdirs}" ; then
2053 for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do
2054 if test "$i" = "libgcc"; then
2055 libgcc=target-libgcc
2056 elif test "$i" != "libiberty" ; then
2057 if test -r $srcdir/$i/configure ; then
2063 if test -z "${others}" ; then
2064 target_configdirs=$libgcc
2068 # Quietly strip out all directories which aren't configurable in this tree.
2069 # This relies on all configurable subdirectories being autoconfiscated, which
2071 build_configdirs_all="$build_configdirs"
2073 for i in ${build_configdirs_all} ; do
2074 j=`echo $i | sed -e s/build-//g`
2075 if test -f ${srcdir}/$j/configure ; then
2076 build_configdirs="${build_configdirs} $i"
2080 configdirs_all="$configdirs"
2082 for i in ${configdirs_all} ; do
2083 if test -f ${srcdir}/$i/configure ; then
2084 configdirs="${configdirs} $i"
2088 target_configdirs_all="$target_configdirs"
2090 for i in ${target_configdirs_all} ; do
2091 j=`echo $i | sed -e s/target-//g`
2092 if test -f ${srcdir}/$j/configure ; then
2093 target_configdirs="${target_configdirs} $i"
2097 # Produce a warning message for the subdirs we can't configure.
2098 # This isn't especially interesting in the Cygnus tree, but in the individual
2099 # FSF releases, it's important to let people know when their machine isn't
2100 # supported by the one or two programs in a package.
2102 if test -n "${notsupp}" && test -z "${norecursion}" ; then
2103 # If $appdirs is non-empty, at least one of those directories must still
2104 # be configured, or we error out. (E.g., if the gas release supports a
2105 # specified target in some subdirs but not the gas subdir, we shouldn't
2106 # pretend that all is well.)
2107 if test -n "$appdirs" ; then
2108 for dir in $appdirs ; do
2109 if test -r $dir/Makefile.in ; then
2110 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2114 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
2120 if test -n "$appdirs" ; then
2121 echo "*** This configuration is not supported by this package." 1>&2
2125 # Okay, some application will build, or we don't care to check. Still
2126 # notify of subdirs not getting built.
2127 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
2128 echo " ${notsupp}" 1>&2
2129 echo " (Any other directories should still work fine.)" 1>&2
2137 # To find our prefix, in gcc_cv_tool_prefix.
2142 AC_ARG_WITH([build-sysroot],
2143 [ --with-build-sysroot=SYSROOT
2144 use sysroot as the system root during the build],
2145 [if test x"$withval" != x ; then
2146 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval"
2148 [SYSROOT_CFLAGS_FOR_TARGET=])
2149 AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET)
2151 AC_ARG_WITH([debug-prefix-map],
2152 [ --with-debug-prefix-map='A=B C=D ...'
2153 map A to B, C to D ... in debug information],
2154 [if test x"$withval" != x; then
2155 DEBUG_PREFIX_CFLAGS_FOR_TARGET=
2156 for debug_map in $withval; do
2157 DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map"
2160 [DEBUG_PREFIX_CFLAGS_FOR_TARGET=])
2161 AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET)
2163 # During gcc bootstrap, if we use some random cc for stage1 then CFLAGS
2164 # might be empty or "-g". We don't require a C++ compiler, so CXXFLAGS
2165 # might also be empty (or "-g", if a non-GCC C++ compiler is in the path).
2166 # We want to ensure that TARGET libraries (which we know are built with
2167 # gcc) are built with "-O2 -g", so include those options when setting
2168 # CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET.
2169 if test "x$CFLAGS_FOR_TARGET" = x; then
2170 CFLAGS_FOR_TARGET=$CFLAGS
2173 *) CFLAGS_FOR_TARGET="-O2 $CFLAGS" ;;
2176 *" -g "* | *" -g3 "*) ;;
2177 *) CFLAGS_FOR_TARGET="-g $CFLAGS" ;;
2180 AC_SUBST(CFLAGS_FOR_TARGET)
2182 if test "x$CXXFLAGS_FOR_TARGET" = x; then
2183 CXXFLAGS_FOR_TARGET=$CXXFLAGS
2184 case " $CXXFLAGS " in
2186 *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS" ;;
2188 case " $CXXFLAGS " in
2189 *" -g "* | *" -g3 "*) ;;
2190 *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS" ;;
2193 AC_SUBST(CXXFLAGS_FOR_TARGET)
2195 # Handle --with-headers=XXX. If the value is not "yes", the contents of
2196 # the named directory are copied to $(tooldir)/sys-include.
2197 if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
2198 if test x${is_cross_compiler} = xno ; then
2199 echo 1>&2 '***' --with-headers is only supported when cross compiling
2202 if test x"${with_headers}" != xyes ; then
2203 x=${gcc_cv_tool_prefix}
2204 copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include"
2208 # Handle --with-libs=XXX. If the value is not "yes", the contents of
2209 # the name directories are copied to $(tooldir)/lib. Multiple directories
2211 if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
2212 if test x${is_cross_compiler} = xno ; then
2213 echo 1>&2 '***' --with-libs is only supported when cross compiling
2216 if test x"${with_libs}" != xyes ; then
2217 # Copy the libraries in reverse order, so that files in the first named
2218 # library override files in subsequent libraries.
2219 x=${gcc_cv_tool_prefix}
2220 for l in ${with_libs}; do
2221 copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}"
2226 # Set with_gnu_as, with_gnu_ld, and with_system_zlib as appropriate.
2228 # This is done by determining whether or not the appropriate directory
2229 # is available, and by checking whether or not specific configurations
2230 # have requested that this magic not happen.
2232 # The command line options always override the explicit settings in
2233 # configure.in, and the settings in configure.in override this magic.
2235 # If the default for a toolchain is to use GNU as and ld, and you don't
2236 # want to do that, then you should use the --without-gnu-as and
2237 # --without-gnu-ld options for the configure script. Similarly, if
2238 # the default is to use the included zlib and you don't want to do that,
2239 # you should use the --with-system-zlib option for the configure script.
2241 if test x${use_gnu_as} = x &&
2242 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
2244 extra_host_args="$extra_host_args --with-gnu-as"
2247 if test x${use_gnu_ld} = x &&
2248 echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then
2250 extra_host_args="$extra_host_args --with-gnu-ld"
2253 if test x${use_included_zlib} = x &&
2254 echo " ${configdirs} " | grep " zlib " > /dev/null 2>&1 ; then
2257 with_system_zlib=yes
2258 extra_host_args="$extra_host_args --with-system-zlib"
2261 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
2262 # can detect this case.
2264 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
2266 extra_host_args="$extra_host_args --with-newlib"
2269 # Handle ${copy_dirs}
2270 set fnord ${copy_dirs}
2272 while test $# != 0 ; do
2273 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
2276 echo Copying $1 to $2
2278 # Use the install script to create the directory and all required
2279 # parent directories.
2280 if test -d $2 ; then
2284 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
2287 # Copy the directory, assuming we have tar.
2288 # FIXME: Should we use B in the second tar? Not all systems support it.
2289 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
2291 # It is the responsibility of the user to correctly adjust all
2292 # symlinks. If somebody can figure out how to handle them correctly
2293 # here, feel free to add the code.
2300 # Determine a target-dependent exec_prefix that the installed
2301 # gcc will search in. Keep this list sorted by triplet, with
2302 # the *-*-osname triplets last.
2306 md_exec_prefix=/gnu/lib/gcc-lib
2308 i[[34567]]86-pc-msdosdjgpp*)
2309 md_exec_prefix=/dev/env/DJDIR/bin
2311 i[[34567]]86-*-sco3.2v5*)
2312 if test $with_gnu_as = yes; then
2313 md_exec_prefix=/usr/gnu/bin
2315 md_exec_prefix=/usr/ccs/bin/elf
2320 powerpc-*-chorusos* | \
2321 powerpc*-*-eabi* | \
2322 powerpc*-*-sysv* | \
2323 powerpc*-*-kaos* | \
2325 md_exec_prefix=/usr/ccs/bin
2330 md_exec_prefix=/usr/ccs/bin
2345 md_exec_prefix=/usr/ccs/bin
2349 extra_arflags_for_target=
2350 extra_nmflags_for_target=
2351 extra_ranlibflags_for_target=
2352 target_makefile_frag=/dev/null
2355 target_makefile_frag="config/mt-mep"
2358 target_makefile_frag="config/mt-spu"
2361 target_makefile_frag="config/mt-sde"
2363 mipsisa*-*-elfoabi*)
2364 target_makefile_frag="config/mt-mips-elfoabi"
2366 mips*-*-*linux* | mips*-*-gnu*)
2367 target_makefile_frag="config/mt-mips-gnu"
2370 target_makefile_frag="config/mt-netware"
2372 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
2373 target_makefile_frag="config/mt-gnu"
2375 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
2376 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
2377 # commands to handle both 32-bit and 64-bit objects. These flags are
2378 # harmless if we're using GNU nm or ar.
2379 extra_arflags_for_target=" -X32_64"
2380 extra_nmflags_for_target=" -B -X32_64"
2383 # ranlib from Darwin requires the -c flag to look at common symbols.
2384 extra_ranlibflags_for_target=" -c"
2386 mips*-*-pe | sh*-*-pe | *arm-wince-pe)
2387 target_makefile_frag="config/mt-wince"
2391 alphaieee_frag=/dev/null
2394 # This just makes sure to use the -mieee option to build target libs.
2395 # This should probably be set individually by each library.
2396 alphaieee_frag="config/mt-alphaieee"
2400 # If --enable-target-optspace always use -Os instead of -O2 to build
2401 # the target libraries, similarly if it is not specified, use -Os
2402 # on selected platforms.
2403 ospace_frag=/dev/null
2404 case "${enable_target_optspace}:${target}" in
2406 ospace_frag="config/mt-ospace"
2409 ospace_frag="config/mt-d30v"
2411 :m32r-* | :d10v-* | :fr30-*)
2412 ospace_frag="config/mt-ospace"
2417 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
2421 # Default to using --with-stabs for certain targets.
2422 if test x${with_stabs} = x ; then
2424 mips*-*-irix[[56]]*)
2426 mips*-*-* | alpha*-*-osf*)
2428 extra_host_args="${extra_host_args} --with-stabs"
2433 # hpux11 in 64bit mode has libraries in a weird place. Arrange to find
2434 # them automatically.
2437 extra_host_args="$extra_host_args -x-libraries=/usr/lib/pa20_64 -x-includes=/usr/X11R6/include"
2441 # Some systems (e.g., one of the i386-aix systems the gas testers are
2442 # using) don't handle "\$" correctly, so don't use it here.
2443 tooldir='${exec_prefix}'/${target_noncanonical}
2444 build_tooldir=${tooldir}
2446 # Create a .gdbinit file which runs the one in srcdir
2447 # and tells GDB to look there for source files.
2449 if test -r ${srcdir}/.gdbinit ; then
2452 *) cat > ./.gdbinit <<EOF
2456 source ${srcdir}/.gdbinit
2462 # Make sure that the compiler is able to generate an executable. If it
2463 # can't, we are probably in trouble. We don't care whether we can run the
2464 # executable--we might be using a cross compiler--we only care whether it
2465 # can be created. At this point the main configure script has set CC.
2467 echo "int main () { return 0; }" > conftest.c
2468 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
2469 if test $? = 0 ; then
2470 if test -s conftest || test -s conftest.exe ; then
2476 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
2477 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
2484 # The Solaris /usr/ucb/cc compiler does not appear to work.
2486 sparc-sun-solaris2*)
2487 CCBASE="`echo ${CC-cc} | sed 's/ .*$//'`"
2488 if test "`type $CCBASE | sed 's/^[[^/]]*//'`" = "/usr/ucb/cc" ; then
2490 test -d /opt/SUNWspro/bin && could_use="/opt/SUNWspro/bin"
2491 if test -d /opt/cygnus/bin ; then
2492 if test "$could_use" = "" ; then
2493 could_use="/opt/cygnus/bin"
2495 could_use="$could_use or /opt/cygnus/bin"
2498 if test "$could_use" = "" ; then
2499 echo "Warning: compilation may fail because you're using"
2500 echo "/usr/ucb/cc. You should change your PATH or CC "
2501 echo "variable and rerun configure."
2503 echo "Warning: compilation may fail because you're using"
2504 echo "/usr/ucb/cc, when you should use the C compiler from"
2505 echo "$could_use. You should change your"
2506 echo "PATH or CC variable and rerun configure."
2512 # Decide which environment variable is used to find dynamic libraries.
2514 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
2515 *-*-darwin* | *-*-rhapsody* ) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;;
2516 *-*-mingw* | *-*-cygwin ) RPATH_ENVVAR=PATH ;;
2517 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
2520 # On systems where the dynamic library environment variable is PATH,
2521 # gcc/ will put dynamic libraries into a subdirectory to avoid adding
2522 # built executables to PATH.
2523 if test "$RPATH_ENVVAR" = PATH; then
2524 GCC_SHLIB_SUBDIR=/shlib
2529 # Record target_configdirs and the configure arguments for target and
2530 # build configuration in Makefile.
2531 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
2532 build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
2534 # Determine whether gdb needs tk/tcl or not.
2535 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
2536 # and in that case we want gdb to be built without tk. Ugh!
2537 # In fact I believe gdb is the *only* package directly dependent on tk,
2538 # so we should be able to put the 'maybe's in unconditionally and
2539 # leave out the maybe dependencies when enable_gdbtk is false. I'm not
2540 # 100% sure that that's safe though.
2542 gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
2543 case "$enable_gdbtk" in
2547 GDB_TK="${gdb_tk}" ;;
2549 # Only add the dependency on gdbtk when GDBtk is part of the gdb
2550 # distro. Eventually someone will fix this and move Insight, nee
2551 # gdbtk to a separate directory.
2552 if test -d ${srcdir}/gdb/gdbtk ; then
2559 CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g`
2560 INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g`
2562 # Strip out unwanted targets.
2564 # While at that, we remove Makefiles if we were started for recursive
2565 # configuration, so that the top-level Makefile reconfigures them,
2566 # like we used to do when configure itself was recursive.
2568 # Loop over modules. We used to use the "$extrasub" feature from Autoconf
2569 # but now we're fixing up the Makefile ourselves with the additional
2570 # commands passed to AC_CONFIG_FILES. Use separate variables
2571 # extrasub-{build,host,target} not because there is any reason to split
2572 # the substitutions up that way, but only to remain below the limit of
2573 # 99 commands in a script, for HP-UX sed.
2574 # Do not nest @if/@endif pairs, because configure will not warn you at all.
2576 AC_ARG_ENABLE([bootstrap],
2577 [ --enable-bootstrap enable bootstrapping @<:@yes if native build@:>@],,
2578 enable_bootstrap=default)
2580 # Issue errors and warnings for invalid/strange bootstrap combinations.
2581 case "$configdirs" in
2582 *gcc*) have_compiler=yes ;;
2583 *) have_compiler=no ;;
2586 case "$have_compiler:$host:$target:$enable_bootstrap" in
2589 # Default behavior. Enable bootstrap if we have a compiler
2590 # and we are in a native configuration.
2591 yes:$build:$build:default)
2592 enable_bootstrap=yes ;;
2595 enable_bootstrap=no ;;
2597 # We have a compiler and we are in a native configuration, bootstrap is ok
2598 yes:$build:$build:yes)
2601 # Other configurations, but we have a compiler. Assume the user knows
2604 AC_MSG_WARN([trying to bootstrap a cross compiler])
2607 # No compiler: if they passed --enable-bootstrap explicitly, fail
2609 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
2611 # Fail if wrong command line
2613 AC_MSG_ERROR([invalid option for --enable-bootstrap])
2617 case ",$enable_languages,:$ENABLE_BUILD_WITH_CXX:$enable_bootstrap" in
2620 AC_MSG_ERROR([bootstrapping with --enable-build-with-cxx requires c++ in --enable-languages])
2624 case "$enable_bootstrap:$ENABLE_GOLD: $configdirs :,$stage1_languages," in
2625 yes:yes:*\ gold\ *:*,c++,*) ;;
2626 yes:yes:*\ gold\ *:*)
2627 AC_MSG_ERROR([in a combined tree, bootstrapping with --enable-gold requires c++ in stage1_languages])
2631 # Adjust the toplevel makefile according to whether bootstrap was selected.
2632 case $enable_bootstrap in
2634 bootstrap_suffix=bootstrap
2635 BUILD_CONFIG=bootstrap-debug
2638 bootstrap_suffix=no-bootstrap
2643 AC_MSG_CHECKING(for default BUILD_CONFIG)
2645 AC_ARG_WITH([build-config],
2646 [--with-build-config='NAME NAME2...'
2647 Use config/NAME.mk build configuration],
2648 [case $with_build_config in
2649 yes) with_build_config= ;;
2650 no) with_build_config= BUILD_CONFIG= ;;
2653 if test "x${with_build_config}" != x; then
2654 BUILD_CONFIG=$with_build_config
2656 case $BUILD_CONFIG in
2658 if echo "int f (void) { return 0; }" > conftest.c &&
2659 ${CC} -c conftest.c &&
2660 mv conftest.o conftest.o.g0 &&
2661 ${CC} -c -g conftest.c &&
2662 mv conftest.o conftest.o.g &&
2663 ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g; then
2668 rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g
2672 AC_MSG_RESULT($BUILD_CONFIG)
2673 AC_SUBST(BUILD_CONFIG)
2676 for module in ${build_configdirs} ; do
2677 if test -z "${no_recursion}" \
2678 && test -f ${build_subdir}/${module}/Makefile; then
2679 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
2680 rm -f ${build_subdir}/${module}/Makefile
2682 extrasub_build="$extrasub_build
2683 /^@if build-$module\$/d
2684 /^@endif build-$module\$/d
2685 /^@if build-$module-$bootstrap_suffix\$/d
2686 /^@endif build-$module-$bootstrap_suffix\$/d"
2689 for module in ${configdirs} ; do
2690 if test -z "${no_recursion}"; then
2691 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do
2692 if test -f ${file}; then
2693 echo 1>&2 "*** removing ${file} to force reconfigure"
2698 extrasub_host="$extrasub_host
2700 /^@endif $module\$/d
2701 /^@if $module-$bootstrap_suffix\$/d
2702 /^@endif $module-$bootstrap_suffix\$/d"
2705 for module in ${target_configdirs} ; do
2706 if test -z "${no_recursion}" \
2707 && test -f ${target_subdir}/${module}/Makefile; then
2708 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
2709 rm -f ${target_subdir}/${module}/Makefile
2712 # We only bootstrap target libraries listed in bootstrap_target_libs.
2713 case $bootstrap_target_libs in
2714 *,target-$module,*) target_bootstrap_suffix=$bootstrap_suffix ;;
2715 *) target_bootstrap_suffix=no-bootstrap ;;
2718 extrasub_target="$extrasub_target
2719 /^@if target-$module\$/d
2720 /^@endif target-$module\$/d
2721 /^@if target-$module-$target_bootstrap_suffix\$/d
2722 /^@endif target-$module-$target_bootstrap_suffix\$/d"
2725 # Do the final fixup along with target modules.
2726 extrasub_target="$extrasub_target
2727 /^@if /,/^@endif /d"
2729 # Create the serialization dependencies. This uses a temporary file.
2731 AC_ARG_ENABLE([serial-configure],
2732 [ --enable-serial-@<:@{host,target,build}-@:>@configure
2733 force sequential configuration of
2734 sub-packages for the host, target or build
2735 machine, or all sub-packages])
2737 case ${enable_serial_configure} in
2739 enable_serial_build_configure=yes
2740 enable_serial_host_configure=yes
2741 enable_serial_target_configure=yes
2745 # These force 'configure's to be done one at a time, to avoid problems
2746 # with contention over a shared config.cache.
2748 echo '# serdep.tmp' > serdep.tmp
2750 test "x${enable_serial_build_configure}" = xyes &&
2751 for item in ${build_configdirs} ; do
2754 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
2759 test "x${enable_serial_host_configure}" = xyes &&
2760 for item in ${configdirs} ; do
2763 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
2768 test "x${enable_serial_target_configure}" = xyes &&
2769 for item in ${target_configdirs} ; do
2772 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
2776 serialization_dependencies=serdep.tmp
2777 AC_SUBST_FILE(serialization_dependencies)
2779 # Base args. Strip norecursion, cache-file, srcdir, host, build,
2780 # target, nonopt, and variable assignments. These are the ones we
2781 # might not want to pass down to subconfigures. The exception being
2782 # --cache-file=/dev/null, which is used to turn off the use of cache
2783 # files altogether, and which should be passed on to subconfigures.
2784 # Also strip program-prefix, program-suffix, and program-transform-name,
2785 # so that we can pass down a consistent program-transform-name.
2789 eval "set -- $ac_configure_args"
2792 if test X"$skip_next" = X"yes"; then
2796 if test X"$keep_next" = X"yes"; then
2799 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2801 baseargs="$baseargs '$ac_arg'"
2806 # Handle separated arguments. Based on the logic generated by
2809 *=* | --config-cache | -C | -disable-* | --disable-* \
2810 | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \
2811 | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \
2812 | -with-* | --with-* | -without-* | --without-* | --x)
2824 --cache-file=/dev/null | \
2825 -cache-file=/dev/null )
2826 # Handled here to avoid the test to skip args below.
2827 baseargs="$baseargs '$ac_arg'"
2828 # Assert: $separate_arg should always be no.
2829 keep_next=$separate_arg
2845 -program-prefix* | \
2846 -program-suffix* | \
2847 -program-transform-name* )
2848 skip_next=$separate_arg
2852 # An option. Add it.
2855 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2857 baseargs="$baseargs '$ac_arg'"
2858 keep_next=$separate_arg
2861 # Either a variable assignment, or a nonopt (triplet). Don't
2862 # pass it down; let the Makefile handle this.
2867 # Remove the initial space we just introduced and, as these will be
2868 # expanded by make, quote '$'.
2869 baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
2871 # Add in --program-transform-name, after --program-prefix and
2872 # --program-suffix have been applied to it. Autoconf has already
2873 # doubled dollar signs and backslashes in program_transform_name; we want
2874 # the backslashes un-doubled, and then the entire thing wrapped in single
2875 # quotes, because this will be expanded first by make and then by the shell.
2876 # Also, because we want to override the logic in subdir configure scripts to
2877 # choose program_transform_name, replace any s,x,x, with s,y,y,.
2878 sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
2879 ${program_transform_name}
2881 gcc_transform_name=`cat conftestsed.out`
2882 rm -f conftestsed.out
2883 baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
2884 if test "$silent" = yes; then
2885 baseargs="$baseargs --silent"
2887 baseargs="$baseargs --disable-option-checking"
2889 # For the build-side libraries, we just need to pretend we're native,
2890 # and not use the same cache file. Multilibs are neither needed nor
2892 build_configargs="--cache-file=../config.cache ${baseargs}"
2894 # For host modules, accept cache file option, or specification as blank.
2895 case "${cache_file}" in
2897 cache_file_option="" ;;
2898 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
2899 cache_file_option="--cache-file=${cache_file}" ;;
2901 cache_file_option="--cache-file=../${cache_file}" ;;
2904 # Host dirs don't like to share a cache file either, horribly enough.
2905 # This seems to be due to autoconf 2.5x stupidity.
2906 host_configargs="--cache-file=./config.cache ${extra_host_args} ${baseargs}"
2908 target_configargs=${baseargs}
2910 # Passing a --with-cross-host argument lets the target libraries know
2911 # whether they are being built with a cross-compiler or being built
2912 # native. However, it would be better to use other mechanisms to make the
2913 # sorts of decisions they want to make on this basis. Please consider
2914 # this option to be deprecated. FIXME.
2915 if test x${is_cross_compiler} = xyes ; then
2916 target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}"
2919 # Default to --enable-multilib.
2920 if test x${enable_multilib} = x ; then
2921 target_configargs="--enable-multilib ${target_configargs}"
2924 # Pass --with-newlib if appropriate. Note that target_configdirs has
2925 # changed from the earlier setting of with_newlib.
2926 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
2927 target_configargs="--with-newlib ${target_configargs}"
2930 # Different target subdirs use different values of certain variables
2931 # (notably CXX). Worse, multilibs use *lots* of different values.
2932 # Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
2933 # it doesn't automatically accept command-line overrides of them.
2934 # This means it's not safe for target subdirs to share a cache file,
2935 # which is disgusting, but there you have it. Hopefully this can be
2936 # fixed in future. It's still worthwhile to use a cache file for each
2937 # directory. I think.
2939 # Pass the appropriate --build, --host, --target and --cache-file arguments.
2940 # We need to pass --target, as newer autoconf's requires consistency
2941 # for target_alias and gcc doesn't manage it consistently.
2942 target_configargs="--cache-file=./config.cache ${target_configargs}"
2945 case " $target_configdirs " in
2947 case " $target_configargs " in
2948 *" --with-newlib "*)
2951 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 $$s/winsup/w32api/include'
2955 # If we're not building GCC, don't discard standard headers.
2956 if test -d ${srcdir}/gcc; then
2957 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
2959 if test "${build}" != "${host}"; then
2960 # On Canadian crosses, CC_FOR_TARGET will have already been set
2961 # by `configure', so we won't have an opportunity to add -Bgcc/
2962 # to it. This is right: we don't want to search that directory
2963 # for binaries, but we want the header files in there, so add
2965 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include'
2967 # Someone might think of using the pre-installed headers on
2968 # Canadian crosses, in case the installed compiler is not fully
2969 # compatible with the compiler being built. In this case, it
2970 # would be better to flag an error than risking having
2971 # incompatible object files being constructed. We can't
2972 # guarantee that an error will be flagged, but let's hope the
2973 # compiler will do it, when presented with incompatible header
2978 case "${target}-${is_cross_compiler}" in
2979 i[[3456789]]86-*-linux*-no)
2980 # Here host == target, so we don't need to build gcc,
2981 # so we don't want to discard standard headers.
2982 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
2985 # If we're building newlib, use its generic headers last, but search
2986 # for any libc-related directories first (so make it the last -B
2988 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
2990 # If we're building libgloss, find the startup file, simulator library
2991 # and linker script.
2992 case " $target_configdirs " in
2994 # Look for startup file, simulator library and maybe linker script.
2995 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/'"$libgloss_dir"
2996 # Look for libnosys.a in case the target needs it.
2997 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys'
2998 # Most targets have the linker script in the source directory.
2999 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$s/libgloss/'"$libgloss_dir"
3010 x86_64-*mingw* | *-w64-mingw*)
3011 # MinGW-w64 does not use newlib, nor does it use winsup. It may,
3012 # however, use a symlink named 'mingw' in ${prefix} .
3013 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L${prefix}/${target}/lib -L${prefix}/mingw/lib -isystem ${prefix}/${target}/include -isystem ${prefix}/mingw/include'
3016 # MinGW can't be handled as Cygwin above since it does not use newlib.
3017 FLAGS_FOR_TARGET=$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'
3021 # Allow the user to override the flags for
3022 # our build compiler if desired.
3023 if test x"${build}" = x"${host}" ; then
3024 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
3025 CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}}
3026 LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}}
3029 # On Canadian crosses, we'll be searching the right directories for
3030 # the previously-installed cross compiler, so don't bother to add
3031 # flags for directories within the install tree of the compiler
3032 # being built; programs in there won't even run.
3033 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
3034 # Search for pre-installed headers if nothing else fits.
3035 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
3038 if test "x${use_gnu_ld}" = x &&
3039 echo " ${configdirs} " | grep " ld " > /dev/null ; then
3040 # Arrange for us to find uninstalled linker scripts.
3041 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld'
3044 # Search for other target-specific linker scripts and such.
3047 FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary"
3051 # Makefile fragments.
3052 for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
3054 eval fragval=\$$frag
3055 if test $fragval != /dev/null; then
3056 eval $frag=${srcdir}/$fragval
3059 AC_SUBST_FILE(host_makefile_frag)
3060 AC_SUBST_FILE(target_makefile_frag)
3061 AC_SUBST_FILE(alphaieee_frag)
3062 AC_SUBST_FILE(ospace_frag)
3064 # Miscellanea: directories, flags, etc.
3065 AC_SUBST(RPATH_ENVVAR)
3066 AC_SUBST(GCC_SHLIB_SUBDIR)
3068 AC_SUBST(build_tooldir)
3069 AC_SUBST(CONFIGURE_GDB_TK)
3071 AC_SUBST(INSTALL_GDB_TK)
3073 # Build module lists & subconfigure args.
3074 AC_SUBST(build_configargs)
3075 AC_SUBST(build_configdirs)
3077 # Host module lists & subconfigure args.
3078 AC_SUBST(host_configargs)
3079 AC_SUBST(configdirs)
3081 # Target module lists & subconfigure args.
3082 AC_SUBST(target_configargs)
3086 AC_SUBST(AR_FOR_BUILD)
3087 AC_SUBST(AS_FOR_BUILD)
3088 AC_SUBST(CC_FOR_BUILD)
3089 AC_SUBST(CFLAGS_FOR_BUILD)
3090 AC_SUBST(CXXFLAGS_FOR_BUILD)
3091 AC_SUBST(CXX_FOR_BUILD)
3092 AC_SUBST(DLLTOOL_FOR_BUILD)
3093 AC_SUBST(GCJ_FOR_BUILD)
3094 AC_SUBST(GFORTRAN_FOR_BUILD)
3095 AC_SUBST(LDFLAGS_FOR_BUILD)
3096 AC_SUBST(LD_FOR_BUILD)
3097 AC_SUBST(NM_FOR_BUILD)
3098 AC_SUBST(RANLIB_FOR_BUILD)
3099 AC_SUBST(WINDMC_FOR_BUILD)
3100 AC_SUBST(WINDRES_FOR_BUILD)
3101 AC_SUBST(config_shell)
3103 # Generate default definitions for YACC, M4, LEX and other programs that run
3104 # on the build machine. These are used if the Makefile can't locate these
3105 # programs in objdir.
3106 MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
3108 AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
3109 case " $build_configdirs " in
3110 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;;
3111 *" byacc "*) YACC='$$r/$(BUILD_SUBDIR)/byacc/byacc' ;;
3114 AC_CHECK_PROGS([BISON], [bison], [$MISSING bison])
3115 case " $build_configdirs " in
3116 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;;
3119 AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4])
3120 case " $build_configdirs " in
3121 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;;
3124 AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex])
3125 case " $build_configdirs " in
3126 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3127 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;;
3130 AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex])
3131 case " $build_configdirs " in
3132 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3135 AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo])
3136 case " $build_configdirs " in
3137 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;;
3140 # For an installed makeinfo, we require it to be from texinfo 4.7 or
3141 # higher, else we use the "missing" dummy.
3142 if ${MAKEINFO} --version \
3143 | egrep 'texinfo[^0-9]*(4\.([7-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then
3146 MAKEINFO="$MISSING makeinfo"
3152 # FIXME: expect and dejagnu may become build tools?
3154 AC_CHECK_PROGS(EXPECT, expect, expect)
3155 case " $configdirs " in
3157 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect'
3161 AC_CHECK_PROGS(RUNTEST, runtest, runtest)
3162 case " $configdirs " in
3164 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest'
3170 NCN_STRICT_CHECK_TOOLS(AR, ar)
3171 NCN_STRICT_CHECK_TOOLS(AS, as)
3172 NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool)
3173 NCN_STRICT_CHECK_TOOLS(LD, ld)
3174 NCN_STRICT_CHECK_TOOLS(LIPO, lipo)
3175 NCN_STRICT_CHECK_TOOLS(NM, nm)
3176 NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, :)
3177 NCN_STRICT_CHECK_TOOLS(STRIP, strip, :)
3178 NCN_STRICT_CHECK_TOOLS(WINDRES, windres)
3179 NCN_STRICT_CHECK_TOOLS(WINDMC, windmc)
3180 NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy)
3181 NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump)
3188 AC_ARG_WITH([build-time-tools],
3189 [ --with-build-time-tools=PATH
3190 use given path to find target tools during the build],
3191 [case x"$withval" in
3194 with_build_time_tools=
3195 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path])
3198 [with_build_time_tools=])
3200 NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc)
3201 NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx)
3202 NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET})
3203 NCN_STRICT_CHECK_TARGET_TOOLS(GCJ_FOR_TARGET, gcj)
3204 NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran)
3206 ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar)
3207 ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as)
3208 ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
3209 ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld)
3210 ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo)
3211 ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm)
3212 ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump)
3213 ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib, :)
3214 ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip)
3215 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
3216 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc)
3218 RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET"
3220 GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar])
3221 GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new])
3222 GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3223 GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX,
3224 [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$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs],
3226 GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX,
3227 [gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs],
3229 GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool])
3230 GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3231 GCC_TARGET_TOOL(gcj, GCJ_FOR_TARGET, GCJ,
3232 [gcc/gcj -B$$r/$(HOST_SUBDIR)/gcc/], java)
3233 GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN,
3234 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran)
3235 GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new])
3236 GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO)
3237 GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new])
3238 GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump])
3239 GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib])
3240 GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip])
3241 GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres])
3242 GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc])
3244 AC_SUBST(FLAGS_FOR_TARGET)
3245 AC_SUBST(RAW_CXX_FOR_TARGET)
3247 # Certain tools may need extra flags.
3248 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
3249 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
3250 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
3252 # When building target libraries, except in a Canadian cross, we use
3253 # the same toolchain as the compiler we just built.
3254 COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)'
3255 COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)'
3256 COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)'
3257 if test $host = $build; then
3258 case " $configdirs " in
3260 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as'
3261 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld'
3262 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target}
3267 AC_SUBST(COMPILER_AS_FOR_TARGET)
3268 AC_SUBST(COMPILER_LD_FOR_TARGET)
3269 AC_SUBST(COMPILER_NM_FOR_TARGET)
3271 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
3272 AC_ARG_ENABLE(maintainer-mode,
3273 [ --enable-maintainer-mode enable make rules and dependencies not useful
3274 (and sometimes confusing) to the casual installer],
3275 USE_MAINTAINER_MODE=$enableval,
3276 USE_MAINTAINER_MODE=no)
3277 AC_MSG_RESULT($USE_MAINTAINER_MODE)
3278 AC_SUBST(MAINTAINER_MODE_TRUE)
3279 AC_SUBST(MAINTAINER_MODE_FALSE)
3280 if test "$USE_MAINTAINER_MODE" = yes; then
3281 MAINTAINER_MODE_TRUE=
3282 MAINTAINER_MODE_FALSE='#'
3284 MAINTAINER_MODE_TRUE='#'
3285 MAINTAINER_MODE_FALSE=
3287 MAINT=$MAINTAINER_MODE_TRUE
3290 # ---------------------
3291 # GCC bootstrap support
3292 # ---------------------
3294 # Stage specific cflags for build.
3299 yes) stage1_cflags="-g -Wa,-J" ;;
3300 *) stage1_cflags="-g -J" ;;
3304 # This is aimed to mimic bootstrap with a non-GCC compiler to catch problems.
3305 if test "$GCC" = yes -a "$ENABLE_BUILD_WITH_CXX" != yes; then
3306 saved_CFLAGS="$CFLAGS"
3308 # Pass -fkeep-inline-functions for stage 1 if the GCC version supports it.
3309 CFLAGS="$CFLAGS -fkeep-inline-functions"
3310 AC_MSG_CHECKING([whether -fkeep-inline-functions is supported])
3312 #if (__GNUC__ < 3) \
3313 || (__GNUC__ == 3 && (__GNUC_MINOR__ < 3 \
3314 || (__GNUC_MINOR__ == 3 && __GNUC_PATCHLEVEL__ < 1)))
3315 #error http://gcc.gnu.org/PR29382
3318 [AC_MSG_RESULT([yes]); stage1_cflags="$stage1_cflags -fkeep-inline-functions"],
3319 [AC_MSG_RESULT([no])])
3321 CFLAGS="$saved_CFLAGS"
3324 AC_SUBST(stage1_cflags)
3326 # Enable --enable-checking in stage1 of the compiler.
3327 AC_ARG_ENABLE(stage1-checking,
3328 [ --enable-stage1-checking@<:@=all@:>@ choose additional checking for stage1
3330 [stage1_checking=--enable-checking=${enable_stage1_checking}],
3331 [if test "x$enable_checking" = xno || test "x$enable_checking" = x; then
3332 stage1_checking=--enable-checking=yes,types
3334 stage1_checking=--enable-checking=$enable_checking,types
3336 AC_SUBST(stage1_checking)
3338 # Enable -Werror in bootstrap stage2 and later.
3339 AC_ARG_ENABLE(werror,
3340 [ --enable-werror enable -Werror in bootstrap stage2 and later], [],
3341 [if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then
3346 case ${enable_werror} in
3347 yes) stage2_werror_flag="--enable-werror-always" ;;
3348 *) stage2_werror_flag="" ;;
3350 AC_SUBST(stage2_werror_flag)
3352 # Specify what files to not compare during bootstrap.
3354 compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*"
3356 hppa*64*-*-hpux*) ;;
3357 hppa*-*-hpux*) compare_exclusions="gcc/cc*-checksum\$(objext) | */libgcc/lib2funcs* | gcc/ada/*tools/*" ;;
3359 case " $configdirs " in
3360 *" ppl "*) compare_exclusions="$compare_exclusions | ppl/src/ppl-config.o" ;;
3362 AC_SUBST(compare_exclusions)
3364 AC_CONFIG_FILES([Makefile],
3365 [sed "$extrasub_build" Makefile |
3366 sed "$extrasub_host" |
3367 sed "$extrasub_target" > mf$$
3368 mv -f mf$$ Makefile],
3369 [extrasub_build="$extrasub_build"
3370 extrasub_host="$extrasub_host"
3371 extrasub_target="$extrasub_target"])