1 # Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998,
2 # 1999, 2000, 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
4 # This file is free software; you can redistribute it and/or modify it
5 # under the terms of the GNU General Public License as published by
6 # the Free Software Foundation; either version 2 of the License, or
7 # (at your option) any later version.
9 # This program is distributed in the hope that it will be useful, but
10 # WITHOUT ANY WARRANTY; without even the implied warranty of
11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 # General Public License for more details.
14 # You should have received a copy of the GNU General Public License
15 # along with this program; if not, write to the Free Software
16 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
18 ##############################################################################
19 ### WARNING: this file contains embedded tabs. Do not run untabify on this file.
21 sinclude(config/acx.m4)
23 AC_INIT(move-if-change)
28 # Get 'install' or 'install-sh' and its variants.
33 ### we might need to use some other shell than /bin/sh for running subshells
34 ### If we are on Windows, search for the shell. This will permit people
35 ### to not have /bin/sh, but to be able to see /SOME/PATH/sh configure
36 ### without also having to set CONFIG_SHELL. This code will work when
37 ### using bash, which sets OSTYPE.
40 if test x${CONFIG_SHELL} = x ; then
41 if test ! -f /bin/sh ; then
42 if test x${SHELL} != x && test -f ${SHELL} ; then
46 for prog in sh sh.exe bash bash.exe; do
47 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
49 test -z "$dir" && dir=.
50 if test -f $dir/$prog; then
51 CONFIG_SHELL=$dir/$prog
57 test -n "${CONFIG_SHELL}" && break
65 config_shell=${CONFIG_SHELL-/bin/sh}
68 # if PWD already has a value, it is probably wrong.
69 if test -n "$PWD" ; then PWD=`${PWDCMD-pwd}`; fi
71 # Export original configure arguments for use by sub-configures. These
72 # will be expanded by make, so quote '$'.
74 sed -e 's,\$,$$,g' <<EOF_SED > conftestsed.out
77 TOPLEVEL_CONFIGURE_ARGUMENTS=`cat conftestsed.out`
79 AC_SUBST(TOPLEVEL_CONFIGURE_ARGUMENTS)
81 moveifchange=${srcdir}/move-if-change
83 srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}`
85 # We pass INSTALL explicitly to sub-makes. Make sure that it is not
87 if test "$INSTALL" = "${srcdir}/install-sh -c"; then
88 INSTALL="${srcpwd}/install-sh -c"
91 # Set srcdir to "." if that's what it is.
92 # This is important for multilib support.
94 if test "${pwd}" = "${srcpwd}" ; then
102 ### To add a new directory to the tree, first choose whether it is a target
103 ### or a host dependent tool. Then put it into the appropriate list
104 ### (library or tools, host or target), doing a dependency sort.
106 # Subdirs will be configured in the order listed in build_configdirs,
107 # configdirs, or target_configdirs; see the serialization section below.
109 # Dependency sorting is only needed when *configuration* must be done in
110 # a particular order. In all cases a dependency should be specified in
111 # the Makefile, whether or not it's implicitly specified here.
113 # Double entries in build_configdirs, configdirs, or target_configdirs may
114 # cause circular dependencies and break everything horribly.
116 # these library is used by various programs built for the build
119 build_libs="build-libiberty"
121 # these tools are built for the build environment
122 build_tools="build-texinfo build-byacc build-flex build-bison build-m4 build-fixincludes"
124 # these libraries are used by various programs built for the host environment
126 host_libs="intl mmalloc libiberty opcodes bfd readline tcl tk itcl libgui zlib libcpp"
128 # these tools are built for the host environment
129 # Note, the powerpc-eabi build depends on sim occurring before gdb in order to
130 # know that we are building the simulator.
131 # binutils, gas and ld appear in that order because it makes sense to run
132 # "make check" in that particular order.
133 host_tools="texinfo byacc flex bison binutils gas ld fixincludes gcc 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"
135 # libgcj represents the runtime libraries only used by gcj.
136 libgcj="target-libffi \
142 # these libraries are built for the target environment, and are built after
143 # the host libraries and the host tools (which may be a cross compiler)
145 target_libraries="target-libiberty \
148 target-libstdc++-v3 \
156 # these tools are built using the target libraries, and are intended to
157 # run only in the target environment
159 # note: any program that *uses* libraries that are in the "target_libraries"
160 # list belongs in this list. those programs are also very likely
161 # candidates for the "native_only" list which follows
163 target_tools="target-examples target-groff target-gperf target-rda"
165 ################################################################################
167 ## All tools belong in one of the four categories, and are assigned above
168 ## We assign ${configdirs} this way to remove all embedded newlines. This
169 ## is important because configure will choke if they ever get through.
170 ## ${configdirs} is directories we build using the host tools.
171 ## ${target_configdirs} is directories we build using the target tools.
172 configdirs=`echo ${host_libs} ${host_tools}`
173 target_configdirs=`echo ${target_libraries} ${target_tools}`
174 build_configdirs=`echo ${build_libs} ${build_tools}`
176 ################################################################################
178 srcname="gnu development package"
180 # This gets set non-empty for some net releases of packages.
183 # Define is_cross_compiler to save on calls to 'test'.
185 if test x"${host}" = x"${target}" ; then
188 is_cross_compiler=yes
191 # Find the build and target subdir names.
194 # Skipdirs are removed silently.
196 # Noconfigdirs are removed loudly.
200 # Make sure we don't let GNU ld be added if we didn't want it.
201 if test x$with_gnu_ld = xno ; then
203 noconfigdirs="$noconfigdirs ld"
207 # Make sure we don't let GNU as be added if we didn't want it.
208 if test x$with_gnu_as = xno ; then
210 noconfigdirs="$noconfigdirs gas"
213 # some tools are so dependent upon X11 that if we're not building with X,
214 # it's not even worth trying to configure, much less build, that tool.
217 yes | "") ;; # the default value for this tree is that X11 is available
219 skipdirs="${skipdirs} tk itcl libgui"
220 # We won't be able to build gdbtk without X.
223 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
226 # Some tools are only suitable for building in a "native" situation.
227 # Remove these if host!=target.
228 native_only="autoconf automake libtool fileutils find gawk gettext gzip hello indent m4 rcs recode sed shellutils tar textutils uudecode wdiff gprof target-groff guile perl time ash bash bzip2 prms gnuserv target-gperf"
230 # Similarly, some are only suitable for cross toolchains.
231 # Remove these if host=target.
232 cross_only="target-libgloss target-newlib target-opcodes"
234 case $is_cross_compiler in
235 no) skipdirs="${skipdirs} ${cross_only}" ;;
236 yes) skipdirs="${skipdirs} ${native_only}" ;;
239 # If both --with-headers and --with-libs are specified, default to
241 if test x"${with_headers}" != x && test x"${with_headers}" != xno \
242 && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
243 if test x"${with_newlib}" = x ; then
248 # Recognize --with-newlib/--without-newlib.
249 case ${with_newlib} in
250 no) skipdirs="${skipdirs} target-newlib" ;;
251 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
254 # Configure extra directories which are host specific
258 configdirs="$configdirs libtermcap" ;;
261 # A target can indicate whether a language isn't supported for some reason.
262 # Only spaces may be used in this macro; not newlines or tabs.
263 unsupported_languages=
265 # Remove more programs from consideration, based on the host or
266 # target this usually means that a port of the program doesn't
271 noconfigdirs="$noconfigdirs byacc"
273 i[[3456789]]86-*-vsta)
274 noconfigdirs="$noconfigdirs tcl expect dejagnu make texinfo bison patch flex byacc send-pr gprof uudecode dejagnu diff guile perl itcl gnuserv gettext"
276 i[[3456789]]86-*-go32* | i[[3456789]]86-*-msdosdjgpp*)
277 noconfigdirs="$noconfigdirs tcl tk expect dejagnu send-pr uudecode guile itcl gnuserv libffi"
279 i[[3456789]]86-*-mingw32*)
280 # noconfigdirs="tcl tk expect dejagnu make texinfo bison patch flex byacc send-pr uudecode dejagnu diff guile perl itcl gnuserv"
281 noconfigdirs="$noconfigdirs expect dejagnu autoconf automake send-pr rcs guile perl texinfo libtool"
283 i[[3456789]]86-*-beos*)
284 noconfigdirs="$noconfigdirs tk itcl libgui gdb"
287 noconfigdirs="$noconfigdirs autoconf automake send-pr rcs guile perl"
290 noconfigdirs="$noconfigdirs rcs"
293 noconfigdirs="$noconfigdirs patch diff make tk tcl expect dejagnu autoconf automake texinfo bison send-pr gprof rcs guile perl itcl gnuserv"
296 noconfigdirs="$noconfigdirs tk itcl libgui gdb dejagnu readline"
301 AC_ARG_ENABLE(libada,
302 [ --enable-libada Builds libada directory],
303 ENABLE_LIBADA=$enableval,
305 if test "${ENABLE_LIBADA}" != "yes" ; then
306 noconfigdirs="$noconfigdirs target-libada"
307 noconfigdirs="$noconfigdirs gnattools"
310 AC_ARG_ENABLE(libssp,
311 [ --enable-libssp Builds libssp directory],
312 ENABLE_LIBSSP=$enableval,
314 if test "${ENABLE_LIBSSP}" != "yes" ; then
315 noconfigdirs="$noconfigdirs target-libssp"
318 # Save it here so that, even in case of --enable-libgcj, if the Java
319 # front-end isn't enabled, we still get libgcj disabled.
321 case $enable_libgcj in
323 # If we reset it here, it won't get added to noconfigdirs in the
324 # target-specific build rules, so it will be forcibly enabled
325 # (unless the Java language itself isn't enabled).
329 # Make sure we get it printed in the list of not supported target libs.
330 noconfigdirs="$noconfigdirs ${libgcj}"
335 # Allow --disable-libmudflap to exclude target-libmudflap
336 case $enable_libmudflap in
340 noconfigdirs="$noconfigdirs target-libmudflap"
344 *-*-linux*-gnu | *-*-gnu* | *-*-k*bsd*-gnu)
345 # Enable libmudflap by default in GNU and friends.
348 # Enable libmudflap by default in FreeBSD.
351 # Disable it by default everywhere else.
352 noconfigdirs="$noconfigdirs target-libmudflap"
360 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
363 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes gdb gprof"
364 noconfigdirs="$noconfigdirs sim target-rda"
367 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes gdb gprof"
368 noconfigdirs="$noconfigdirs sim target-rda"
369 noconfigdirs="$noconfigdirs ${libgcj}"
371 *-*-freebsd[[12]] | *-*-freebsd[[12]].* | *-*-freebsd*aout*)
372 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
375 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
376 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
377 && test -f /usr/local/include/gmp.h; then
381 # Skip some stuff that's unsupported on some FreeBSD configurations.
386 noconfigdirs="$noconfigdirs ${libgcj}"
391 # Remove unsupported stuff on all kaOS configurations.
392 skipdirs="target-libiberty ${libgcj} target-libstdc++-v3 target-librx"
393 skipdirs="$skipdirs target-libobjc target-examples target-groff target-gperf"
394 skipdirs="$skipdirs zlib fastjar target-libjava target-boehm-gc target-zlib"
395 noconfigdirs="$noconfigdirs target-libgloss"
398 # Skip some stuff on all NetBSD configurations.
399 noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss"
401 # Skip some stuff that's unsupported on some NetBSD configurations.
403 i*86-*-netbsdelf*) ;;
404 arm*-*-netbsdelf*) ;;
406 noconfigdirs="$noconfigdirs ${libgcj}"
411 noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss ${libgcj} target-libmudflap"
414 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
416 # The tpf target doesn't support gdb yet.
418 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libiberty ${libgcj} target-libmudflap gdb tcl tk libgui itcl"
421 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-rda ${libgcj}"
424 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libiberty ${libgcj}"
427 noconfigdirs="$noconfigdirs target-libstdc++-v3"
430 # ld works, but does not support shared libraries.
431 # newlib is not 64 bit ready. I'm not sure about fileutils.
432 # gas doesn't generate exception information.
433 noconfigdirs="$noconfigdirs gas ld fileutils target-newlib target-libgloss"
436 noconfigdirs="$noconfigdirs gdb ld target-newlib target-libgloss ${libgcj}"
439 # newlib is not 64 bit ready
440 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
443 # newlib is not 64 bit ready
444 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
447 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
450 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
452 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
453 noconfigdirs="$noconfigdirs ${libgcj}"
454 noconfigdirs="$noconfigdirs target-examples"
455 noconfigdirs="$noconfigdirs target-libiberty texinfo send-pr"
456 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
457 noconfigdirs="$noconfigdirs expect dejagnu"
458 # the C++ libraries don't build on top of CE's C libraries
459 noconfigdirs="$noconfigdirs target-libstdc++-v3"
460 noconfigdirs="$noconfigdirs target-newlib"
462 *-*-cygwin*) ;; # keep gdb and readline
463 *) noconfigdirs="$noconfigdirs gdb readline"
468 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
472 arm-*-coff | strongarm-*-coff | xscale-*-coff)
473 noconfigdirs="$noconfigdirs ${libgcj}"
475 arm-*-elf* | strongarm-*-elf* | xscale-*-elf* | arm*-*-eabi* )
476 noconfigdirs="$noconfigdirs target-libffi target-qthreads"
479 noconfigdirs="$noconfigdirs ${libgcj} target-libiberty"
482 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
485 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
488 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
491 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
494 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
497 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
500 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
502 c54x*-*-* | tic54x-*-*)
503 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj} gcc gdb newlib"
505 cris-*-* | crisv32-*-*)
506 unsupported_languages="$unsupported_languages java"
509 unsupported_languages="$unsupported_languages f95"
510 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";;
512 unsupported_languages="$unsupported_languages f95"
513 noconfigdirs="$noconfigdirs target-boehm-gc";;
515 noconfigdirs="$noconfigdirs target-newlib target-libgloss";;
517 unsupported_languages="$unsupported_languages f95"
518 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss";;
522 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-mudflap ${libgcj}"
525 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
528 noconfigdirs="$noconfigdirs ${libgcj} gdb"
531 noconfigdirs="$noconfigdirs ${libgcj} gdb"
534 noconfigdirs="$noconfigdirs ${libgcj}"
537 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
540 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
542 hppa1.1-*-osf* | hppa1.1-*-bsd* )
544 hppa*64*-*-linux* | parisc*64*-*-linux*)
545 # In this case, it's because the hppa64-linux target is for
546 # the kernel only at this point and has no libc, and thus no
547 # headers, crt*.o, etc., all of which are needed by these.
548 noconfigdirs="$noconfigdirs target-zlib"
550 parisc*-*-linux* | hppa*-*-linux*)
556 noconfigdirs="$noconfigdirs ${libgcj}"
559 # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
560 # build on HP-UX 10.20.
561 noconfigdirs="$noconfigdirs ld shellutils ${libgcj}"
564 noconfigdirs="$noconfigdirs ${libgcj} gdb"
567 # No gdb support yet.
568 noconfigdirs="$noconfigdirs readline mmalloc libgui itcl gdb"
571 # No gdb or ld support yet.
572 noconfigdirs="$noconfigdirs ${libgcj} readline mmalloc libgui itcl gdb ld"
576 i[[3456789]]86-*-coff | i[[3456789]]86-*-elf)
577 noconfigdirs="$noconfigdirs ${libgcj}"
579 i[[3456789]]86-*-linux*)
580 # The GCC port for glibc1 has no MD_FALLBACK_FRAME_STATE_FOR, so let's
581 # not build java stuff by default.
584 noconfigdirs="$noconfigdirs ${libgcj}";;
587 # This section makes it possible to build newlib natively on linux.
588 # If we are using a cross compiler then don't configure newlib.
589 if test x${is_cross_compiler} != xno ; then
590 noconfigdirs="$noconfigdirs target-newlib"
592 noconfigdirs="$noconfigdirs target-libgloss"
593 # If we are not using a cross compiler, do configure newlib.
594 # Note however, that newlib will only be configured in this situation
595 # if the --with-newlib option has been given, because otherwise
596 # 'target-newlib' will appear in skipdirs.
598 i[[3456789]]86-*-mingw32*)
599 target_configdirs="$target_configdirs target-mingw"
600 noconfigdirs="$noconfigdirs expect target-libgloss ${libgcj}"
602 # Can't build gdb for mingw32 if not native.
604 i[[3456789]]86-*-mingw32) ;; # keep gdb tcl tk expect etc.
605 *) noconfigdirs="$noconfigdirs gdb tcl tk expect itcl gnuserv"
610 target_configdirs="$target_configdirs target-libtermcap target-winsup"
611 noconfigdirs="$noconfigdirs target-gperf target-libgloss ${libgcj}"
612 # always build newlib if winsup directory is present.
613 if test -d "$srcdir/winsup"; then
614 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
615 elif test -d "$srcdir/newlib"; then
616 echo "Warning: winsup is missing so newlib can't be built."
619 # Can't build gdb for Cygwin if not native.
621 *-*-cygwin*) ;; # keep gdb tcl tk expect etc.
622 *) noconfigdirs="$noconfigdirs gdb tcl tk expect itcl libgui gnuserv"
626 i[[3456789]]86-moss-msdos | i[[3456789]]86-*-moss* | \
627 i[[3456789]]86-*-uwin* | i[[3456789]]86-*-interix* )
630 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
632 i[[3456789]]86-*-sco3.2v5*)
633 # The linker does not yet know about weak symbols in COFF,
634 # and is not configured to handle mixed ELF and COFF.
635 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
637 i[[3456789]]86-*-sco*)
638 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
640 i[[3456789]]86-*-solaris2*)
641 noconfigdirs="$noconfigdirs target-libgloss"
643 i[[3456789]]86-*-sysv4*)
644 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
646 i[[3456789]]86-*-beos*)
647 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
650 noconfigdirs="$noconfigdirs ${libgcj}"
652 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
653 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
656 noconfigdirs="$noconfigdirs ${libgcj}"
659 noconfigdirs="$noconfigdirs ${libgcj}"
662 # The EPOC C++ environment does not support exceptions or rtti,
663 # and so building libstdc++-v3 tends not to always work.
664 noconfigdirs="$noconfigdirs target-libstdc++-v3"
667 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc gdb libgloss"
668 unsupported_languages="$unsupported_languages f95 java"
671 noconfigdirs="$noconfigdirs ${libgcj}"
674 noconfigdirs="$noconfigdirs ${libgcj}"
677 noconfigdirs="$noconfigdirs sim"
680 # copied from rs6000-*-* entry
681 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
683 powerpc*-*-winnt* | powerpc*-*-pe* | ppc*-*-pe)
684 target_configdirs="$target_configdirs target-winsup"
685 noconfigdirs="$noconfigdirs gdb tcl tk make expect target-libgloss itcl gnuserv ${libgcj}"
686 # always build newlib.
687 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
689 # This is temporary until we can link against shared libraries
690 powerpcle-*-solaris*)
691 noconfigdirs="$noconfigdirs gdb sim make tcl tk expect itcl gnuserv ${libgcj}"
694 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
697 noconfigdirs="$noconfigdirs ${libgcj}"
699 powerpc-*-eabi* | powerpcle-*-eabi* | powerpc-*-rtems* )
702 noconfigdirs="$noconfigdirs target-newlib gprof ${libgcj}"
705 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
708 noconfigdirs="$noconfigdirs gprof ${libgcj}"
711 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss ${libgcj}"
714 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
717 # Linking libjava exceeds command-line length limits on at least
718 # IRIX 6.2, but not on IRIX 6.5.
719 # Also, boehm-gc won't build on IRIX 6.5, according to Jeffrey Oldham
720 # <oldham@codesourcery.com>
721 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
724 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
727 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
730 noconfigdirs="$noconfigdirs gprof ${libgcj}" # same as generic mips
733 noconfigdirs="$noconfigdirs target-newlib ${libgcj}"
736 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
739 noconfigdirs="$noconfigdirs gprof ${libgcj}"
742 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes target-libgloss ${libgcj}"
746 i[[3456789]]86-*-vsta) ;; # don't add gprof back in
747 i[[3456789]]86-*-go32*) ;; # don't add gprof back in
748 i[[3456789]]86-*-msdosdjgpp*) ;; # don't add gprof back in
749 *) skipdirs=`echo " ${skipdirs} " | sed -e 's/ gprof / /'` ;;
751 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
754 noconfigdirs="$noconfigdirs ${libgcj}"
757 noconfigdirs="$noconfigdirs ${libgcj}"
760 noconfigdirs="$noconfigdirs ${libgcj}"
763 noconfigdirs="$noconfigdirs ${libgcj}"
764 if test x${is_cross_compiler} != xno ; then
765 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
770 sparc-*-solaris2.[[0-6]] | sparc-*-solaris2.[[0-6]].*)
771 noconfigdirs="$noconfigdirs ${libgcj}"
773 sparc-*-solaris* | sparc64-*-solaris* | sparcv9-*-solaris*)
776 noconfigdirs="$noconfigdirs bfd binutils gas gcc gdb ld target-libstdc++-v3 opcodes target-libgloss ${libgcj}"
779 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
782 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
785 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
788 noconfigdirs="$noconfigdirs bfd binutils gdb ld target-newlib opcodes target-libgloss ${libgcj}"
791 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
794 noconfigdirs="$noconfigdirs ${libgcj}"
797 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
799 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu)
800 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
803 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
806 noconfigdirs="$noconfigdirs ${libgcj}"
810 # If we aren't building newlib, then don't build libgloss, since libgloss
811 # depends upon some newlib header files.
812 case "${noconfigdirs}" in
813 *target-libgloss*) ;;
814 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
817 # Work in distributions that contain no compiler tools, like Autoconf.
819 host_makefile_frag=/dev/null
820 if test -d ${srcdir}/config ; then
823 # Avoid "too much defining" errors from HPUX compiler.
824 tentative_cc="cc -Wp,-H256000"
825 # If "ar" in $PATH is GNU ar, the symbol table may need rebuilding.
826 # If it's HP/UX ar, this should be harmless.
830 tentative_cc="cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DUSG"
833 #None of the Apollo compilers can compile gas or binutils. The preprocessor
834 # chokes on bfd, the compiler won't let you assign integers to enums, and
835 # other problems. Defining CC to gcc is a questionable way to say "don't use
836 # the apollo compiler" (the preferred version of GCC could be called cc,
837 # or whatever), but I'm not sure leaving CC as cc is any better...
838 #CC=cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DNO_STDARG
839 # Used to have BISON=yacc.
843 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
846 # Under CX/UX, we want to tell the compiler to use ANSI mode.
847 tentative_cc="cc -Xa"
848 host_makefile_frag="config/mh-cxux"
853 tentative_cc="cc -Wf,-XNg1000"
854 host_makefile_frag="config/mh-decstation"
857 # The C compiler on NEC MIPS SVR4 needs bigger tables.
858 tentative_cc="cc -ZXNd=5000 -ZXNg=1000"
859 host_makefile_frag="config/mh-necv4"
862 # Tell compiler to use K&R C. We can't compile under the SGI Ansi
863 # environment. Also bump switch table size so that cp-parse will
864 # compile. Bump string length limit so linker builds.
865 tentative_cc="cc -cckr -Wf,-XNg1500 -Wf,-XNk1000 -Wf,-XNh2000 -Wf,-XNl8192"
868 host_makefile_frag="config/mh-sysv4"
871 # This is for a MIPS running RISC/os 4.52C.
873 # This is needed for GDB, but needs to be in the top-level make because
874 # if a library is compiled with the bsd headers and gets linked with the
875 # sysv system libraries all hell can break loose (e.g. a jmp_buf might be
877 # ptrace(2) apparently has problems in the BSD environment. No workaround is
878 # known except to select the sysv environment. Could we use /proc instead?
879 # These "sysv environments" and "bsd environments" often end up being a pain.
881 # This is not part of CFLAGS because perhaps not all C compilers have this
883 tentative_cc="cc -systype sysv"
888 i[[3456789]]86-*-sysv5*)
889 host_makefile_frag="config/mh-sysv5"
891 i[[3456789]]86-*-dgux*)
892 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
893 host_makefile_frag="config/mh-dgux386"
895 i[[3456789]]86-ncr-sysv4.3*)
896 # The MetaWare compiler will generate a copyright message unless you
897 # turn it off by adding the -Hnocopyr flag.
898 tentative_cc="cc -Hnocopyr"
900 i[[3456789]]86-ncr-sysv4*)
901 # for an NCR 3000 (i486/SVR4) system.
902 # The NCR 3000 ships with a MetaWare compiler installed as /bin/cc.
903 # This compiler not only emits obnoxious copyright messages every time
904 # you run it, but it chokes and dies on a whole bunch of GNU source
905 # files. Default to using the AT&T compiler installed in /usr/ccs/ATT/cc.
906 tentative_cc="/usr/ccs/ATT/cc"
907 host_makefile_frag="config/mh-ncr3000"
909 i[[3456789]]86-*-sco3.2v5*)
911 i[[3456789]]86-*-sco*)
912 # The native C compiler botches some simple uses of const. Unfortunately,
913 # it doesn't defined anything like "__sco__" for us to test for in ansidecl.h.
914 tentative_cc="cc -Dconst="
915 host_makefile_frag="config/mh-sco"
917 i[[3456789]]86-*-udk*)
918 host_makefile_frag="config/mh-sysv5"
920 i[[3456789]]86-*-solaris2*)
921 host_makefile_frag="config/mh-sysv4"
923 i[[3456789]]86-*-msdosdjgpp*)
924 host_makefile_frag="config/mh-djgpp"
927 host_makefile_frag="config/mh-cygwin"
932 host_makefile_frag="config/mh-interix"
935 # The old BSD pcc isn't up to compiling parts of gdb so use gcc
939 host_makefile_frag="config/mh-solaris"
942 # Sun's C compiler needs the -J flag to be able to compile cp-parse.c
943 # without overflowing the jump tables (-J says to use a 32 bit table)
947 tentative_cc="cc -Wp,-H256000"
950 tentative_cc="cc -Wp,-H256000"
953 # /bin/cc is less than useful for our purposes. Always use GCC
954 tentative_cc="/usr/cygnus/progressive/bin/gcc"
955 host_makefile_frag="config/mh-lynxrs6k"
958 host_makefile_frag="config/mh-ppc-darwin"
961 # /bin/cc is less than useful for our purposes. Always use GCC
962 tentative_cc="/bin/gcc"
965 host_makefile_frag="config/mh-sysv4"
967 # This is placed last to prevent interfering with the cases above.
969 # Build the stage2 and stage3 compilers with -fomit-frame-pointer.
970 host_makefile_frag="config/mh-x86omitfp"
975 # If we aren't going to be using gcc, see if we can extract a definition
976 # of CC from the fragment.
977 # Actually, use the 'pre-extracted' version above.
978 if test -z "${CC}" && test "${build}" = "${host}" ; then
979 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
982 test -z "$dir" && dir=.
983 if test -f $dir/gcc; then
989 if test -z "${found}" && test -n "${tentative_cc}" ; then
994 if test "${build}" != "${host}" ; then
995 # If we are doing a Canadian Cross, in which the host and build systems
996 # are not the same, we set reasonable default values for the tools.
998 CC=${CC-${host_alias}-gcc}
999 CFLAGS=${CFLAGS-"-g -O2"}
1000 CXX=${CXX-${host_alias}-c++}
1001 CXXFLAGS=${CXXFLAGS-"-g -O2"}
1002 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
1003 BUILD_PREFIX=${build_alias}-
1004 BUILD_PREFIX_1=${build_alias}-
1007 # Set reasonable default values for some tools even if not Canadian.
1008 # Of course, these are different reasonable default values, originally
1009 # specified directly in the Makefile.
1010 # We don't export, so that autoconf can do its job.
1011 # Note that all these settings are above the fragment inclusion point
1012 # in Makefile.in, so can still be overridden by fragments.
1013 # This is all going to change when we autoconfiscate...
1015 CC_FOR_BUILD="\$(CC)"
1017 BUILD_PREFIX_1=loser-
1021 # We must set the default linker to the linker used by gcc for the correct
1022 # operation of libtool. If LD is not defined and we are using gcc, try to
1023 # set the LD default to the ld used by gcc.
1024 if test -z "$LD"; then
1025 if test "$GCC" = yes; then
1028 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1030 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1032 case $gcc_prog_ld in
1033 # Accept absolute paths.
1034 [[\\/]* | [A-Za-z]:[\\/]*)]
1035 LD="$gcc_prog_ld" ;;
1041 CFLAGS=${CFLAGS-"-g"}
1042 CXXFLAGS=${CXXFLAGS-"-g -O2"}
1046 ACX_PROG_CMP_IGNORE_INITIAL
1048 # Check for GMP and MPFR
1052 # Specify a location for mpfr
1053 # check for this first so it ends up on the link line before gmp.
1054 AC_ARG_WITH(mpfr-dir, [ --with-mpfr-dir=PATH Specify source directory for MPFR library])
1056 if test "x$with_mpfr_dir" != x; then
1057 gmpinc="-I$with_mpfr_dir"
1058 gmplibs="$with_mpfr_dir/libmpfr.a"
1063 AC_ARG_WITH(mpfr, [ --with-mpfr=PATH Specify directory for installed MPFR library])
1065 if test "x$with_mpfr" != x; then
1066 gmplibs="-L$with_mpfr/lib $gmplibs"
1067 gmpinc="-I$with_mpfr/include"
1070 # Specify a location for gmp
1071 AC_ARG_WITH(gmp-dir, [ --with-gmp-dir=PATH Specify source directory for GMP library])
1073 if test "x$with_gmp_dir" != x; then
1074 gmpinc="$gmpinc -I$with_gmp_dir"
1075 if test -f "$with_gmp_dir/.libs/libgmp.a"; then
1076 gmplibs="$gmplibs $with_gmp_dir/.libs/libgmp.a"
1077 elif test -f "$with_gmp_dir/_libs/libgmp.a"; then
1078 gmplibs="$gmplibs $with_gmp_dir/_libs/libgmp.a"
1080 # One of the later tests will catch the error if neither library is present.
1082 gmplibs="$gmplibs -lgmp"
1085 AC_ARG_WITH(gmp, [ --with-gmp=PATH Specify directory for installed GMP library])
1087 if test "x$with_gmp" != x; then
1088 gmplibs="-L$with_gmp/lib $gmplibs"
1089 gmpinc="-I$with_gmp/include $gmpinc"
1092 saved_CFLAGS="$CFLAGS"
1093 CFLAGS="$CFLAGS $gmpinc"
1094 # Check GMP actually works
1095 AC_MSG_CHECKING([for correct version of gmp.h])
1096 AC_TRY_COMPILE([#include "gmp.h"],[
1097 #if __GNU_MP_VERSION < 3
1100 ], [AC_MSG_RESULT([yes])],
1101 [AC_MSG_RESULT([no]); have_gmp=no])
1103 if test x"$have_gmp" = xyes; then
1104 AC_MSG_CHECKING([for MPFR])
1107 LIBS="$LIBS $gmplibs"
1108 AC_TRY_LINK([#include <gmp.h>
1109 #include <mpfr.h>], [mpfr_t n; mpfr_init(n);],
1110 [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1112 CFLAGS="$saved_CFLAGS"
1115 # Flags needed for both GMP and/or MPFR
1119 # By default, C is the only stage 1 language.
1121 AC_SUBST(stage1_languages)
1123 # Figure out what language subdirectories are present.
1124 # Look if the user specified --enable-languages="..."; if not, use
1125 # the environment variable $LANGUAGES if defined. $LANGUAGES might
1127 # NB: embedded tabs in this IF block -- do not untabify
1128 if test -d ${srcdir}/gcc; then
1129 if test x"${enable_languages+set}" != xset; then
1130 if test x"${LANGUAGES+set}" = xset; then
1131 enable_languages="${LANGUAGES}"
1132 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1134 enable_languages=all
1137 if test x"${enable_languages}" = x ||
1138 test x"${enable_languages}" = xyes;
1140 echo configure.in: --enable-languages needs at least one language argument 1>&2
1144 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1146 # First scan to see if an enabled language requires some other language.
1147 # We assume that a given config-lang.in will list all the language
1148 # front ends it requires, even if some are required indirectly.
1149 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1150 case ${lang_frag} in
1152 # The odd quoting in the next line works around
1153 # an apparent bug in bash 1.12 on linux.
1154 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1156 # From the config-lang.in, get $language, $lang_requires
1160 for other in ${lang_requires} ; do
1161 case ,${enable_languages}, in
1165 echo " \`$other' language required by \`$language'; enabling" 1>&2
1166 enable_languages="${enable_languages},${other}"
1174 new_enable_languages=c
1175 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
1176 potential_languages=c
1178 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1179 case ${lang_frag} in
1181 # The odd quoting in the next line works around
1182 # an apparent bug in bash 1.12 on linux.
1183 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1185 # From the config-lang.in, get $language, $target_libs,
1186 # $lang_dirs, $boot_language, and $build_by_default
1194 potential_languages="${potential_languages},${language}"
1195 # This is quite sensitive to the ordering of the case statement arms.
1196 case ,${enable_languages},:${language}:${have_gnat}:${build_by_default} in
1198 echo "${lang_frag} doesn't set \$language." 1>&2
1202 # Ada was requested with no preexisting GNAT. Disable unconditionally.
1205 *,${language},*:*:*:*)
1206 # Language was explicitly selected; include it.
1210 # 'all' was selected, but this is not a default language
1211 # so do not include it.
1215 # 'all' was selected and this is a default language; include it.
1223 # Disable languages that need GMP if it isn't available.
1224 case ,${enable_languages},:${have_gmp}:${need_gmp} in
1225 *,${language},*:no:yes)
1226 # Specifically requested language; tell them.
1227 AC_MSG_ERROR([GMP with MPFR support is required to build $language])
1235 # Disable a language that is unsupported by the target.
1236 case " $unsupported_languages " in
1242 case $add_this_lang in
1244 # Remove language-dependent dirs.
1245 eval noconfigdirs='"$noconfigdirs "'\"$target_libs $lang_dirs\"
1248 new_enable_languages="$new_enable_languages,$language"
1249 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
1250 case ${boot_language} in
1252 # Add to (comma-separated) list of stage 1 languages.
1253 stage1_languages="${stage1_languages},${language}"
1262 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
1263 if test "x$missing_languages" != x; then
1265 The following requested languages could not be built: ${missing_languages}
1266 Recognised languages are: ${potential_languages}])
1269 if test "x$new_enable_languages" != "x$enable_languages"; then
1270 echo The following languages will be built: ${new_enable_languages}
1272 enable_languages="$new_enable_languages"
1273 ac_configure_args=`echo " $ac_configure_args" | sed -e 's/ --enable-languages=[[^ ]]*//' -e 's/$/ --enable-languages='"$enable_languages"/ `
1276 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
1277 # $build_configdirs and $target_configdirs.
1278 # If we have the source for $noconfigdirs entries, add them to $notsupp.
1281 for dir in . $skipdirs $noconfigdirs ; do
1282 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
1283 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1284 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
1285 if test -r $srcdir/$dirname/configure ; then
1286 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1289 notsupp="$notsupp $dir"
1293 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1294 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"`
1295 if test -r $srcdir/$dirname/configure ; then
1296 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1299 notsupp="$notsupp $dir"
1303 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1304 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
1305 if test -r $srcdir/$dirname/configure ; then
1306 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1309 notsupp="$notsupp $dir"
1315 # Sometimes the tools are distributed with libiberty but with no other
1316 # libraries. In that case, we don't want to build target-libiberty.
1317 if test -n "${target_configdirs}" ; then
1319 for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do
1320 if test "$i" != "libiberty" ; then
1321 if test -r $srcdir/$i/configure ; then
1327 if test -z "${others}" ; then
1332 # Quietly strip out all directories which aren't configurable in this tree.
1333 # This relies on all configurable subdirectories being autoconfiscated, which
1335 build_configdirs_all="$build_configdirs"
1337 for i in ${build_configdirs_all} ; do
1338 j=`echo $i | sed -e s/build-//g`
1339 if test -f ${srcdir}/$j/configure ; then
1340 build_configdirs="${build_configdirs} $i"
1344 configdirs_all="$configdirs"
1346 for i in ${configdirs_all} ; do
1347 if test -f ${srcdir}/$i/configure ; then
1348 configdirs="${configdirs} $i"
1352 target_configdirs_all="$target_configdirs"
1354 for i in ${target_configdirs_all} ; do
1355 j=`echo $i | sed -e s/target-//g`
1356 if test -f ${srcdir}/$j/configure ; then
1357 target_configdirs="${target_configdirs} $i"
1361 # Produce a warning message for the subdirs we can't configure.
1362 # This isn't especially interesting in the Cygnus tree, but in the individual
1363 # FSF releases, it's important to let people know when their machine isn't
1364 # supported by the one or two programs in a package.
1366 if test -n "${notsupp}" && test -z "${norecursion}" ; then
1367 # If $appdirs is non-empty, at least one of those directories must still
1368 # be configured, or we error out. (E.g., if the gas release supports a
1369 # specified target in some subdirs but not the gas subdir, we shouldn't
1370 # pretend that all is well.)
1371 if test -n "$appdirs" ; then
1372 for dir in $appdirs ; do
1373 if test -r $dir/Makefile.in ; then
1374 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1378 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
1384 if test -n "$appdirs" ; then
1385 echo "*** This configuration is not supported by this package." 1>&2
1389 # Okay, some application will build, or we don't care to check. Still
1390 # notify of subdirs not getting built.
1391 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
1392 echo " ${notsupp}" 1>&2
1393 echo " (Any other directories should still work fine.)" 1>&2
1403 AC_ARG_WITH([build-sysroot],
1404 [ --with-build-sysroot=sysroot
1405 use sysroot as the system root during the build],
1406 [if test x"$withval" != x ; then
1407 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval"
1409 [SYSROOT_CFLAGS_FOR_TARGET=])
1410 AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET)
1412 # Handle --with-headers=XXX. If the value is not "yes", the contents of
1413 # the named directory are copied to $(tooldir)/sys-include.
1414 if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
1415 if test x${is_cross_compiler} = xno ; then
1416 echo 1>&2 '***' --with-headers is only supported when cross compiling
1419 if test x"${with_headers}" != xyes ; then
1420 case "${exec_prefixoption}" in
1422 *) x=${exec_prefix} ;;
1424 copy_dirs="${copy_dirs} ${with_headers} $x/${target_alias}/sys-include"
1428 # Handle --with-libs=XXX. If the value is not "yes", the contents of
1429 # the name directories are copied to $(tooldir)/lib. Multiple directories
1431 if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
1432 if test x${is_cross_compiler} = xno ; then
1433 echo 1>&2 '***' --with-libs is only supported when cross compiling
1436 if test x"${with_libs}" != xyes ; then
1437 # Copy the libraries in reverse order, so that files in the first named
1438 # library override files in subsequent libraries.
1439 case "${exec_prefixoption}" in
1441 *) x=${exec_prefix} ;;
1443 for l in ${with_libs}; do
1444 copy_dirs="$l $x/${target_alias}/lib ${copy_dirs}"
1449 # Handle ${copy_dirs}
1450 set fnord ${copy_dirs}
1452 while test $# != 0 ; do
1453 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
1456 echo Copying $1 to $2
1458 # Use the install script to create the directory and all required
1459 # parent directories.
1460 if test -d $2 ; then
1464 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
1467 # Copy the directory, assuming we have tar.
1468 # FIXME: Should we use B in the second tar? Not all systems support it.
1469 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
1471 # It is the responsibility of the user to correctly adjust all
1472 # symlinks. If somebody can figure out how to handle them correctly
1473 # here, feel free to add the code.
1480 extra_arflags_for_target=
1481 extra_nmflags_for_target=
1482 extra_ranlibflags_for_target=
1483 target_makefile_frag=/dev/null
1486 target_makefile_frag="config/mt-netware"
1488 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu)
1489 target_makefile_frag="config/mt-gnu"
1491 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
1492 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
1493 # commands to handle both 32-bit and 64-bit objects. These flags are
1494 # harmless if we're using GNU nm or ar.
1495 extra_arflags_for_target=" -X32_64"
1496 extra_nmflags_for_target=" -B -X32_64"
1499 # ranlib from Darwin requires the -c flag to look at common symbols.
1500 extra_ranlibflags_for_target=" -c"
1502 mips*-*-pe | sh*-*-pe | *arm-wince-pe)
1503 target_makefile_frag="config/mt-wince"
1507 alphaieee_frag=/dev/null
1510 # This just makes sure to use the -mieee option to build target libs.
1511 # This should probably be set individually by each library.
1512 alphaieee_frag="config/mt-alphaieee"
1516 # If --enable-target-optspace always use -Os instead of -O2 to build
1517 # the target libraries, similarly if it is not specified, use -Os
1518 # on selected platforms.
1519 ospace_frag=/dev/null
1520 case "${enable_target_optspace}:${target}" in
1522 ospace_frag="config/mt-ospace"
1525 ospace_frag="config/mt-d30v"
1527 :m32r-* | :d10v-* | :fr30-*)
1528 ospace_frag="config/mt-ospace"
1533 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
1537 # Set with_gnu_as and with_gnu_ld as appropriate.
1539 # This is done by determining whether or not the appropriate directory
1540 # is available, and by checking whether or not specific configurations
1541 # have requested that this magic not happen.
1543 # The command line options always override the explicit settings in
1544 # configure.in, and the settings in configure.in override this magic.
1546 # If the default for a toolchain is to use GNU as and ld, and you don't
1547 # want to do that, then you should use the --without-gnu-as and
1548 # --without-gnu-ld options for the configure script.
1550 if test x${use_gnu_as} = x &&
1551 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
1553 extra_host_args="$extra_host_args --with-gnu-as"
1556 if test x${use_gnu_ld} = x &&
1557 echo " ${configdirs} " | grep " ld " > /dev/null 2>&1 ; then
1559 extra_host_args="$extra_host_args --with-gnu-ld"
1562 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
1563 # can detect this case.
1565 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
1567 extra_host_args="$extra_host_args --with-newlib"
1570 # Default to using --with-stabs for certain targets.
1571 if test x${with_stabs} = x ; then
1573 mips*-*-irix[[56]]*)
1575 mips*-*-* | alpha*-*-osf*)
1577 extra_host_args="${extra_host_args} --with-stabs"
1582 # hpux11 in 64bit mode has libraries in a weird place. Arrange to find
1583 # them automatically.
1586 extra_host_args="$extra_host_args -x-libraries=/usr/lib/pa20_64 -x-includes=/usr/X11R6/include"
1590 # Some systems (e.g., one of the i386-aix systems the gas testers are
1591 # using) don't handle "\$" correctly, so don't use it here.
1592 tooldir='${exec_prefix}'/${target_alias}
1593 build_tooldir=${tooldir}
1595 # Generate default definitions for YACC, M4, LEX and other programs that run
1596 # on the build machine. These are used if the Makefile can't locate these
1597 # programs in objdir.
1598 MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
1599 AC_CHECK_PROGS([CONFIGURED_BISON], [bison], [$MISSING bison])
1600 AC_CHECK_PROGS([CONFIGURED_YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
1601 AC_CHECK_PROGS([CONFIGURED_M4], [gm4 gnum4 m4], [$MISSING m4])
1602 AC_CHECK_PROGS([CONFIGURED_FLEX], [flex], [$MISSING flex])
1603 AC_CHECK_PROGS([CONFIGURED_LEX], [flex lex], [$MISSING flex])
1604 AC_CHECK_PROGS([CONFIGURED_MAKEINFO], makeinfo, [$MISSING makeinfo])
1606 # Create a .gdbinit file which runs the one in srcdir
1607 # and tells GDB to look there for source files.
1609 if test -r ${srcdir}/.gdbinit ; then
1612 *) cat > ./.gdbinit <<EOF
1616 source ${srcdir}/.gdbinit
1622 # Make sure that the compiler is able to generate an executable. If it
1623 # can't, we are probably in trouble. We don't care whether we can run the
1624 # executable--we might be using a cross compiler--we only care whether it
1625 # can be created. At this point the main configure script has set CC.
1627 echo "int main () { return 0; }" > conftest.c
1628 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
1629 if test $? = 0 ; then
1630 if test -s conftest || test -s conftest.exe ; then
1636 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
1637 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
1644 # The Solaris /usr/ucb/cc compiler does not appear to work.
1646 sparc-sun-solaris2*)
1647 CCBASE="`echo ${CC-cc} | sed 's/ .*$//'`"
1648 if test "`type $CCBASE | sed 's/^[[^/]]*//'`" = "/usr/ucb/cc" ; then
1650 test -d /opt/SUNWspro/bin && could_use="/opt/SUNWspro/bin"
1651 if test -d /opt/cygnus/bin ; then
1652 if test "$could_use" = "" ; then
1653 could_use="/opt/cygnus/bin"
1655 could_use="$could_use or /opt/cygnus/bin"
1658 if test "$could_use" = "" ; then
1659 echo "Warning: compilation may fail because you're using"
1660 echo "/usr/ucb/cc. You should change your PATH or CC "
1661 echo "variable and rerun configure."
1663 echo "Warning: compilation may fail because you're using"
1664 echo "/usr/ucb/cc, when you should use the C compiler from"
1665 echo "$could_use. You should change your"
1666 echo "PATH or CC variable and rerun configure."
1673 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
1674 *-*-darwin* | *-*-rhapsody* ) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;;
1675 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
1678 # Record target_configdirs and the configure arguments for target and
1679 # build configuration in Makefile.
1680 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
1681 build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
1683 # Determine whether gdb needs tk/tcl or not.
1684 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
1685 # and in that case we want gdb to be built without tk. Ugh!
1686 # In fact I believe gdb is the *only* package directly dependent on tk,
1687 # so we should be able to put the 'maybe's in unconditionally and
1688 # leave out the maybe dependencies when enable_gdbtk is false. I'm not
1689 # 100% sure that that's safe though.
1691 gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
1692 case "$enable_gdbtk" in
1696 GDB_TK="${gdb_tk}" ;;
1698 # Only add the dependency on gdbtk when GDBtk is part of the gdb
1699 # distro. Eventually someone will fix this and move Insight, nee
1700 # gdbtk to a separate directory.
1701 if test -d ${srcdir}/gdb/gdbtk ; then
1709 # Strip out unwanted targets.
1711 # While at that, we remove Makefiles if we were started for recursive
1712 # configuration, so that the top-level Makefile reconfigures them,
1713 # like we used to do when configure itself was recursive.
1715 # Loop over modules. $extrasub must be used with care, limiting as
1716 # much as possible the usage of range addresses. That's because autoconf
1717 # splits the sed script to overcome limits in the number of commands,
1718 # and relying on carefully-timed sed passes may turn out to be very hard
1719 # to maintain later. In this particular case, you just have to be careful
1720 # not to nest @if/@endif pairs, because configure will not warn you at all.
1722 AC_ARG_ENABLE([bootstrap],
1723 [ --enable-bootstrap[=lean] Enable bootstrapping [no]],,
1724 enable_bootstrap=default)
1726 # Issue errors and warnings for invalid/strange bootstrap combinations.
1727 case "$configdirs" in
1728 *gcc*) have_compiler=yes ;;
1729 *) have_compiler=no ;;
1732 case "$have_compiler:$host:$target:$enable_bootstrap" in
1735 # Default behavior. (We'll) enable bootstrap if we have a compiler
1736 # and we are in a native configuration.
1737 yes:$build:$build:default)
1738 # This will become 'yes'
1739 enable_bootstrap=no ;;
1742 enable_bootstrap=no ;;
1744 # We have a compiler and we are in a native configuration, bootstrap is ok
1745 yes:$build:$build:yes | yes:$build:$build:lean)
1748 # Other configurations, but we have a compiler. Assume the user knows
1750 yes:*:*:yes | yes:*:*:lean)
1751 AC_MSG_WARN([trying to bootstrap a cross compiler])
1754 # No compiler: if they passed --enable-bootstrap explicitly, fail
1755 no:*:*:yes | no:*:*:lean)
1756 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
1758 # Fail if wrong command line
1760 AC_MSG_ERROR([invalid option for --enable-bootstrap])
1764 # Adjust the toplevel makefile according to whether bootstrap was selected.
1765 case "$enable_bootstrap" in
1768 default_target=bootstrap
1769 bootstrap_suffix=bootstrap ;;
1772 default_target=bootstrap
1773 bootstrap_suffix=bootstrap ;;
1776 bootstrap_suffix=no-bootstrap ;;
1778 AC_SUBST(bootstrap_lean)
1779 AC_SUBST(default_target)
1781 for module in ${build_configdirs} ; do
1782 if test -z "${no_recursion}" \
1783 && test -f ${build_subdir}/${module}/Makefile; then
1784 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
1785 rm -f ${build_subdir}/${module}/Makefile
1788 /^@if build-$module\$/d
1789 /^@endif build-$module\$/d
1790 /^@if build-$module-$bootstrap_suffix\$/d
1791 /^@endif build-$module-$bootstrap_suffix\$/d"
1793 for module in ${configdirs} ; do
1794 if test -z "${no_recursion}" \
1795 && test -f ${module}/Makefile; then
1796 echo 1>&2 "*** removing ${module}/Makefile to force reconfigure"
1797 rm -f ${module}/Makefile
1801 /^@endif $module\$/d
1802 /^@if $module-$bootstrap_suffix\$/d
1803 /^@endif $module-$bootstrap_suffix\$/d"
1805 for module in ${target_configdirs} ; do
1806 if test -z "${no_recursion}" \
1807 && test -f ${target_subdir}/${module}/Makefile; then
1808 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
1809 rm -f ${target_subdir}/${module}/Makefile
1812 /^@if target-$module\$/d
1813 /^@endif target-$module\$/d
1814 /^@if target-$module-$bootstrap_suffix\$/d
1815 /^@endif target-$module-$bootstrap_suffix\$/d"
1819 /^@if /,/^@endif /d"
1821 # Create the serialization dependencies. This uses a temporary file.
1823 AC_ARG_ENABLE([serial-configure],
1824 [ --enable-serial-[{host,target,build}-]configure
1825 Force sequential configuration of
1826 sub-packages for the host, target or build
1827 machine, or all sub-packages])
1829 case ${enable_serial_configure} in
1831 enable_serial_build_configure=yes
1832 enable_serial_host_configure=yes
1833 enable_serial_target_configure=yes
1837 # These force 'configure's to be done one at a time, to avoid problems
1838 # with contention over a shared config.cache.
1840 echo '# serdep.tmp' > serdep.tmp
1842 test "x${enable_serial_build_configure}" = xyes &&
1843 for item in ${build_configdirs} ; do
1846 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
1851 test "x${enable_serial_host_configure}" = xyes &&
1852 for item in ${configdirs} ; do
1855 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
1860 test "x${enable_serial_target_configure}" = xyes &&
1861 for item in ${target_configdirs} ; do
1864 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
1868 serialization_dependencies=serdep.tmp
1869 AC_SUBST_FILE(serialization_dependencies)
1871 # Base args. Strip norecursion, cache-file, srcdir, host, build,
1872 # target and nonopt. These are the ones we might not want to pass
1873 # down to subconfigures. Also strip program-prefix, program-suffix,
1874 # and program-transform-name, so that we can pass down a consistent
1875 # program-transform-name. If autoconf has put single quotes around
1876 # any of these arguments (because they contain shell metacharacters)
1877 # then this will fail; in practice this only happens for
1878 # --program-transform-name, so be sure to override --program-transform-name
1879 # at the end of the argument list.
1880 # These will be expanded by make, so quote '$'.
1881 cat <<\EOF_SED > conftestsed
1883 s/ --c[[a-z-]]*[[= ]][[^ ]]*//g
1884 s/ --sr[[a-z-]]*[[= ]][[^ ]]*//g
1885 s/ --ho[[a-z-]]*[[= ]][[^ ]]*//g
1886 s/ --bu[[a-z-]]*[[= ]][[^ ]]*//g
1887 s/ --t[[a-z-]]*[[= ]][[^ ]]*//g
1888 s/ --program-[[pst]][[a-z-]]*[[= ]][[^ ]]*//g
1889 s/ -cache-file[[= ]][[^ ]]*//g
1890 s/ -srcdir[[= ]][[^ ]]*//g
1891 s/ -host[[= ]][[^ ]]*//g
1892 s/ -build[[= ]][[^ ]]*//g
1893 s/ -target[[= ]][[^ ]]*//g
1894 s/ -program-prefix[[= ]][[^ ]]*//g
1895 s/ -program-suffix[[= ]][[^ ]]*//g
1896 s/ -program-transform-name[[= ]][[^ ]]*//g
1897 s/ [[^' -][^ ]*] / /
1901 sed -f conftestsed <<EOF_SED > conftestsed.out
1902 ${ac_configure_args}
1904 baseargs=`cat conftestsed.out`
1905 rm -f conftestsed conftestsed.out
1907 # Add in --program-transform-name, after --program-prefix and
1908 # --program-suffix have been applied to it. Autoconf has already
1909 # doubled dollar signs and backslashes in program_transform_name; we want
1910 # the backslashes un-doubled, and then the entire thing wrapped in single
1911 # quotes, because this will be expanded first by make and then by the shell.
1912 # Also, because we want to override the logic in subdir configure scripts to
1913 # choose program_transform_name, replace any s,x,x, with s,y,y,.
1914 sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
1915 ${program_transform_name}
1917 gcc_transform_name=`cat conftestsed.out`
1918 rm -f conftestsed.out
1919 baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
1921 # For the build-side libraries, we just need to pretend we're native,
1922 # and not use the same cache file. Multilibs are neither needed nor
1924 build_configargs="--cache-file=../config.cache --build=${build_alias} --host=${build_alias} --target=${target_alias} ${baseargs}"
1926 # For host modules, accept cache file option, or specification as blank.
1927 case "${cache_file}" in
1929 cache_file_option="" ;;
1930 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
1931 cache_file_option="--cache-file=${cache_file}" ;;
1933 cache_file_option="--cache-file=../${cache_file}" ;;
1936 # Host dirs don't like to share a cache file either, horribly enough.
1937 # This seems to be due to autoconf 2.5x stupidity.
1938 host_configargs="--cache-file=./config.cache --build=${build_alias} --host=${host_alias} --target=${target_alias} ${extra_host_args} ${baseargs}"
1940 target_configargs=${baseargs}
1942 # Passing a --with-cross-host argument lets the target libraries know
1943 # whether they are being built with a cross-compiler or being built
1944 # native. However, it would be better to use other mechanisms to make the
1945 # sorts of decisions they want to make on this basis. Please consider
1946 # this option to be deprecated. FIXME.
1947 if test x${is_cross_compiler} = xyes ; then
1948 target_configargs="--with-cross-host=${host_alias} ${target_configargs}"
1951 # Default to --enable-multilib.
1952 if test x${enable_multilib} = x ; then
1953 target_configargs="--enable-multilib ${target_configargs}"
1956 # Pass --with-newlib if appropriate. Note that target_configdirs has
1957 # changed from the earlier setting of with_newlib.
1958 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
1959 target_configargs="--with-newlib ${target_configargs}"
1962 # Different target subdirs use different values of certain variables
1963 # (notably CXX). Worse, multilibs use *lots* of different values.
1964 # Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
1965 # it doesn't automatically accept command-line overrides of them.
1966 # This means it's not safe for target subdirs to share a cache file,
1967 # which is disgusting, but there you have it. Hopefully this can be
1968 # fixed in future. It's still worthwhile to use a cache file for each
1969 # directory. I think.
1971 # Pass the appropriate --build, --host, --target and --cache-file arguments.
1972 # We need to pass --target, as newer autoconf's requires consistency
1973 # for target_alias and gcc doesn't manage it consistently.
1974 target_configargs="--cache-file=./config.cache --build=${build_alias} --host=${target_alias} --target=${target_alias} ${target_configargs}"
1977 case " $target_configdirs " in
1979 case " $target_configargs " in
1980 *" --with-newlib "*)
1983 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 $$s/winsup/w32api/include' ;;
1986 # If we're not building GCC, don't discard standard headers.
1987 if test -d ${srcdir}/gcc; then
1988 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
1990 if test "${build}" != "${host}"; then
1991 # On Canadian crosses, CC_FOR_TARGET will have already been set
1992 # by `configure', so we won't have an opportunity to add -Bgcc/
1993 # to it. This is right: we don't want to search that directory
1994 # for binaries, but we want the header files in there, so add
1996 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include'
1998 # Someone might think of using the pre-installed headers on
1999 # Canadian crosses, in case the installed compiler is not fully
2000 # compatible with the compiler being built. In this case, it
2001 # would be better to flag an error than risking having
2002 # incompatible object files being constructed. We can't
2003 # guarantee that an error will be flagged, but let's hope the
2004 # compiler will do it, when presented with incompatible header
2009 case "${target}-${is_cross_compiler}" in
2010 i[[3456789]]86-*-linux*-no)
2011 # Here host == target, so we don't need to build gcc,
2012 # so we don't want to discard standard headers.
2013 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
2016 # If we're building newlib, use its generic headers last, but search
2017 # for any libc-related directories first (so make it the last -B
2019 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
2027 # Allow the user to override the flags for
2028 # our build compiler if desired.
2029 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
2031 # On Canadian crosses, we'll be searching the right directories for
2032 # the previously-installed cross compiler, so don't bother to add
2033 # flags for directories within the install tree of the compiler
2034 # being built; programs in there won't even run.
2035 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
2036 # Search for pre-installed headers if nothing else fits.
2037 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
2040 if test "x${use_gnu_ld}" = x &&
2041 echo " ${configdirs} " | grep " ld " > /dev/null ; then
2042 # Arrange for us to find uninstalled linker scripts.
2043 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld'
2046 # Makefile fragments.
2047 for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
2049 eval fragval=\$$frag
2050 if test $fragval != /dev/null; then
2051 eval $frag=${srcdir}/$fragval
2054 AC_SUBST_FILE(host_makefile_frag)
2055 AC_SUBST_FILE(target_makefile_frag)
2056 AC_SUBST_FILE(alphaieee_frag)
2057 AC_SUBST_FILE(ospace_frag)
2059 # Miscellanea: directories, flags, etc.
2060 AC_SUBST(RPATH_ENVVAR)
2061 AC_SUBST(BUILD_PREFIX)
2062 AC_SUBST(BUILD_PREFIX_1)
2064 AC_SUBST(build_tooldir)
2067 # Build module lists & subconfigure args.
2068 AC_SUBST(build_configargs)
2069 AC_SUBST(build_configdirs)
2071 # Host module lists & subconfigure args.
2072 AC_SUBST(host_configargs)
2073 AC_SUBST(configdirs)
2075 # Target module lists & subconfigure args.
2076 AC_SUBST(target_configargs)
2077 AC_SUBST(target_configdirs)
2080 AC_SUBST(CC_FOR_BUILD)
2081 AC_SUBST(config_shell)
2084 NCN_STRICT_CHECK_TOOL(AR, ar)
2085 NCN_STRICT_CHECK_TOOL(AS, as)
2086 NCN_STRICT_CHECK_TOOL(DLLTOOL, dlltool)
2087 NCN_STRICT_CHECK_TOOL(LD, ld)
2088 NCN_STRICT_CHECK_TOOL(NM, nm)
2089 NCN_STRICT_CHECK_TOOL(RANLIB, ranlib, :)
2090 NCN_STRICT_CHECK_TOOL(WINDRES, windres)
2091 NCN_STRICT_CHECK_TOOL(OBJCOPY, objcopy)
2092 NCN_STRICT_CHECK_TOOL(OBJDUMP, objdump)
2096 AC_SUBST(CFLAGS_FOR_BUILD)
2099 # Target tools. Do the tests using the names they may have passed in
2100 # the environment, then move it to CONFIGURED_*_FOR_TARGET.
2101 NCN_STRICT_CHECK_TARGET_TOOL(AR_FOR_TARGET, ar)
2102 NCN_STRICT_CHECK_TARGET_TOOL(AS_FOR_TARGET, as)
2103 NCN_STRICT_CHECK_TARGET_TOOL(CC_FOR_TARGET, cc)
2104 NCN_STRICT_CHECK_TARGET_TOOL(CXX_FOR_TARGET, c++)
2105 NCN_STRICT_CHECK_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
2106 NCN_STRICT_CHECK_TARGET_TOOL(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET})
2107 NCN_STRICT_CHECK_TARGET_TOOL(GCJ_FOR_TARGET, gcj)
2108 NCN_STRICT_CHECK_TARGET_TOOL(GFORTRAN_FOR_TARGET, gfortran)
2109 NCN_STRICT_CHECK_TARGET_TOOL(LD_FOR_TARGET, ld)
2110 NCN_STRICT_CHECK_TARGET_TOOL(NM_FOR_TARGET, nm)
2111 NCN_STRICT_CHECK_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib, :)
2112 NCN_STRICT_CHECK_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
2114 CONFIGURED_AR_FOR_TARGET="$AR_FOR_TARGET"
2115 CONFIGURED_AS_FOR_TARGET="$AS_FOR_TARGET"
2116 CONFIGURED_CC_FOR_TARGET="$CC_FOR_TARGET"
2117 CONFIGURED_CXX_FOR_TARGET="$CXX_FOR_TARGET"
2118 CONFIGURED_DLLTOOL_FOR_TARGET="$DLLTOOL_FOR_TARGET"
2119 CONFIGURED_GCC_FOR_TARGET="$GCC_FOR_TARGET"
2120 CONFIGURED_GCJ_FOR_TARGET="$GCJ_FOR_TARGET"
2121 CONFIGURED_GFORTRAN_FOR_TARGET="$GFORTRAN_FOR_TARGET"
2122 CONFIGURED_LD_FOR_TARGET="$LD_FOR_TARGET"
2123 CONFIGURED_NM_FOR_TARGET="$NM_FOR_TARGET"
2124 CONFIGURED_RANLIB_FOR_TARGET="$RANLIB_FOR_TARGET"
2125 CONFIGURED_WINDRES_FOR_TARGET="$WINDRES_FOR_TARGET"
2127 AC_SUBST(CONFIGURED_AR_FOR_TARGET)dnl
2128 AC_SUBST(CONFIGURED_AS_FOR_TARGET)dnl
2129 AC_SUBST(CONFIGURED_CC_FOR_TARGET)dnl
2130 AC_SUBST(CONFIGURED_CXX_FOR_TARGET)dnl
2131 AC_SUBST(CONFIGURED_DLLTOOL_FOR_TARGET)dnl
2132 AC_SUBST(CONFIGURED_GCC_FOR_TARGET)dnl
2133 AC_SUBST(CONFIGURED_GCJ_FOR_TARGET)dnl
2134 AC_SUBST(CONFIGURED_GFORTRAN_FOR_TARGET)dnl
2135 AC_SUBST(CONFIGURED_LD_FOR_TARGET)dnl
2136 AC_SUBST(CONFIGURED_NM_FOR_TARGET)dnl
2137 AC_SUBST(CONFIGURED_RANLIB_FOR_TARGET)dnl
2138 AC_SUBST(CONFIGURED_WINDRES_FOR_TARGET)dnl
2139 AC_SUBST(FLAGS_FOR_TARGET)
2141 # Fix up target tools.
2142 if test "x${build}" = "x${host}" ; then
2143 # In this case, the newly built tools can and should be used,
2144 # so we override the results of the autoconf tests.
2145 # This should really only happen when the tools are actually being built,
2146 # but that's a further refinement. The new build scheme, where
2147 # tools are built into a structure paralleling where they're installed,
2148 # should also eliminate all of this cleanly.
2149 AR_FOR_TARGET="\$(USUAL_AR_FOR_TARGET)"
2150 AS_FOR_TARGET="\$(USUAL_AS_FOR_TARGET)"
2151 CC_FOR_TARGET="\$(USUAL_CC_FOR_TARGET)"
2152 CXX_FOR_TARGET="\$(USUAL_CXX_FOR_TARGET)"
2153 RAW_CXX_FOR_TARGET="\$(USUAL_RAW_CXX_FOR_TARGET)"
2154 DLLTOOL_FOR_TARGET="\$(USUAL_DLLTOOL_FOR_TARGET)"
2155 GCC_FOR_TARGET="\$(USUAL_GCC_FOR_TARGET)"
2156 GCJ_FOR_TARGET="\$(USUAL_GCJ_FOR_TARGET)"
2157 GFORTRAN_FOR_TARGET="\$(USUAL_GFORTRAN_FOR_TARGET)"
2158 LD_FOR_TARGET="\$(USUAL_LD_FOR_TARGET)"
2159 NM_FOR_TARGET="\$(USUAL_NM_FOR_TARGET)"
2160 RANLIB_FOR_TARGET="\$(USUAL_RANLIB_FOR_TARGET)"
2161 WINDRES_FOR_TARGET="\$(USUAL_WINDRES_FOR_TARGET)"
2163 # Just use the ones we found.
2164 AR_FOR_TARGET="\$(CONFIGURED_AR_FOR_TARGET)"
2165 AS_FOR_TARGET="\$(CONFIGURED_AS_FOR_TARGET)"
2166 CC_FOR_TARGET="\$(CONFIGURED_CC_FOR_TARGET)"
2167 CXX_FOR_TARGET="\$(CONFIGURED_CXX_FOR_TARGET)"
2168 RAW_CXX_FOR_TARGET="\$(CONFIGURED_CXX_FOR_TARGET)"
2169 DLLTOOL_FOR_TARGET="\$(CONFIGURED_DLLTOOL_FOR_TARGET)"
2170 GCC_FOR_TARGET="\$(CONFIGURED_GCC_FOR_TARGET)"
2171 GCJ_FOR_TARGET="\$(CONFIGURED_GCJ_FOR_TARGET)"
2172 GFORTRAN_FOR_TARGET="\$(CONFIGURED_GFORTRAN_FOR_TARGET)"
2173 LD_FOR_TARGET="\$(CONFIGURED_LD_FOR_TARGET)"
2174 NM_FOR_TARGET="\$(CONFIGURED_NM_FOR_TARGET)"
2175 RANLIB_FOR_TARGET="\$(CONFIGURED_RANLIB_FOR_TARGET)"
2176 WINDRES_FOR_TARGET="\$(CONFIGURED_WINDRES_FOR_TARGET)"
2179 AC_SUBST(RAW_CXX_FOR_TARGET)
2181 # Certain tools may need extra flags.
2182 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
2183 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
2184 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
2186 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
2187 AC_ARG_ENABLE(maintainer-mode,
2188 [ --enable-maintainer-mode enable make rules and dependencies not useful
2189 (and sometimes confusing) to the casual installer],
2190 USE_MAINTAINER_MODE=$enableval,
2191 USE_MAINTAINER_MODE=no)
2192 AC_MSG_RESULT($USE_MAINTAINER_MODE)
2193 AC_SUBST(MAINTAINER_MODE_TRUE)
2194 AC_SUBST(MAINTAINER_MODE_FALSE)
2195 if test "$USE_MAINTAINER_MODE" = yes; then
2196 MAINTAINER_MODE_TRUE=
2197 MAINTAINER_MODE_FALSE='#'
2199 MAINTAINER_MODE_TRUE='#'
2200 MAINTAINER_MODE_FALSE=
2202 MAINT=$MAINTAINER_MODE_TRUE
2205 # ---------------------
2206 # GCC bootstrap support
2207 # ---------------------
2209 # Stage specific cflags for build.
2214 yes) stage1_cflags="-g -Wa,-J" ;;
2215 *) stage1_cflags="-g -J" ;;
2218 # The spiffy cpp-precomp chokes on some legitimate constructs in GCC
2219 # sources; use -no-cpp-precomp to get to GNU cpp.
2220 # Apple's GCC has bugs in designated initializer handling, so disable
2222 stage1_cflags="-g -no-cpp-precomp -DHAVE_DESIGNATED_INITIALIZERS=0"
2225 AC_SUBST(stage1_cflags)
2227 # It makes debugging easier if we create as symlinks the stage directories
2228 # gcc for stageN-gcc and stagePREV-gcc for stage(N-1). In case this is not
2229 # possible, however, we can resort to mv.
2230 AC_CACHE_CHECK([if symbolic links between directories work],
2231 [gcc_cv_prog_ln_s_dir],
2232 [if test "${LN_S}" = "ln -s" \
2233 && mkdir confdir.s1 \
2234 && ln -s confdir.s1 confdir.s2 \
2235 && echo timestamp1 > confdir.s1/conftest.1 \
2236 && cmp confdir.s1/conftest.1 confdir.s2/conftest.1 \
2237 && echo timestamp2 > confdir.s2/conftest.2 \
2238 && cmp confdir.s1/conftest.2 confdir.s1/conftest.2 \
2239 && rm -f confdir.s2; then
2240 gcc_cv_prog_ln_s_dir=yes
2242 gcc_cv_prog_ln_s_dir=no
2244 rm -rf confdir.s1 confdir.s2])
2246 case ${gcc_cv_prog_ln_s_dir} in
2248 CREATE_LINK_TO_DIR='ln -s $$1 $$2'
2249 UNDO_LINK_TO_DIR='rm -f $$1' ;;
2251 CREATE_LINK_TO_DIR='mv $$1 $$2'
2252 UNDO_LINK_TO_DIR='mv $$1 $$2' ;;
2254 AC_SUBST(CREATE_LINK_TO_DIR)
2255 AC_SUBST(UNDO_LINK_TO_DIR)
2257 # Enable -Werror in bootstrap stage2 and later.
2258 # Change the default to "no" on release branches.
2259 AC_ARG_ENABLE(werror,
2260 [ --enable-werror enable -Werror in bootstrap stage2 and later], [],
2261 [enable_werror=yes])
2262 case ${enable_werror} in
2263 yes) stage2_werror_flag="--enable-werror-always" ;;
2264 *) stage2_werror_flag="" ;;
2266 AC_SUBST(stage2_werror_flag)