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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
18 ##############################################################################
19 ### WARNING: this file contains embedded tabs. Do not run untabify on this file.
21 AC_INIT(move-if-change)
26 # Get 'install' or 'install-sh' and its variants.
29 sinclude(config/acx.m4)
31 ### we might need to use some other shell than /bin/sh for running subshells
32 ### If we are on Windows, search for the shell. This will permit people
33 ### to not have /bin/sh, but to be able to see /SOME/PATH/sh configure
34 ### without also having to set CONFIG_SHELL. This code will work when
35 ### using bash, which sets OSTYPE.
38 if test x${CONFIG_SHELL} = x ; then
39 if test ! -f /bin/sh ; then
40 if test x${SHELL} != x && test -f ${SHELL} ; then
44 for prog in sh sh.exe bash bash.exe; do
45 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
47 test -z "$dir" && dir=.
48 if test -f $dir/$prog; then
49 CONFIG_SHELL=$dir/$prog
55 test -n "${CONFIG_SHELL}" && break
63 config_shell=${CONFIG_SHELL-/bin/sh}
66 # if PWD already has a value, it is probably wrong.
67 if test -n "$PWD" ; then PWD=`${PWDCMD-pwd}`; fi
69 # Export original configure arguments for use by sub-configures. These
70 # will be expanded by make, so quote '$'.
72 sed -e 's,\$,$$,g' <<EOF_SED > conftestsed.out
75 TOPLEVEL_CONFIGURE_ARGUMENTS=`cat conftestsed.out`
77 AC_SUBST(TOPLEVEL_CONFIGURE_ARGUMENTS)
79 moveifchange=${srcdir}/move-if-change
81 # Set srcdir to "." if that's what it is.
82 # This is important for multilib support.
84 srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}`
85 if test "${pwd}" = "${srcpwd}" ; then
92 # Define the trigger file to make sure configure will re-run whenever
93 # the gcc version number changes.
94 if test "${with_gcc_version_trigger+set}" = set ; then
95 gcc_version_trigger="$with_gcc_version_trigger"
96 gcc_version=`grep version_string ${with_gcc_version_trigger} | sed -e 's/.*\"\([[^ \"]]*\)[[ \"]].*/\1/'`
98 # If gcc's sources are available, define the trigger file.
99 if test -f ${topsrcdir}/gcc/version.c ; then
100 gcc_version_trigger=${topsrcdir}/gcc/version.c
101 gcc_version=`grep version_string ${gcc_version_trigger} | sed -e 's/.*\"\([[^ \"]]*\)[[ \"]].*/\1/'`
102 case "$ac_configure_args" in
103 *--with-gcc-version-trigger=$gcc_version_trigger* )
106 # Add to all subconfigure arguments: build, host, and target.
107 ac_configure_args="$ac_configure_args --with-gcc-version-trigger=$gcc_version_trigger"
113 ### To add a new directory to the tree, first choose whether it is a target
114 ### or a host dependent tool. Then put it into the appropriate list
115 ### (library or tools, host or target), doing a dependency sort.
117 # Subdirs will be configured in the order listed in build_configdirs,
118 # configdirs, or target_configdirs; see the serialization section below.
120 # Dependency sorting is only needed when *configuration* must be done in
121 # a particular order. In all cases a dependency should be specified in
122 # the Makefile, whether or not it's implicitly specified here.
124 # Double entries in build_configdirs, configdirs, or target_configdirs may
125 # cause circular dependencies and break everything horribly.
127 # these libraries are used by various programs built for the host environment
129 host_libs="intl mmalloc libiberty opcodes bfd readline tcl tk itcl tix libgui zlib"
131 # these tools are built for the host environment
132 # Note, the powerpc-eabi build depends on sim occurring before gdb in order to
133 # know that we are building the simulator.
134 # binutils, gas and ld appear in that order because it makes sense to run
135 # "make check" in that particular order.
136 host_tools="texinfo byacc flex bison binutils gas ld 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"
138 # libgcj represents the runtime libraries only used by gcj.
139 libgcj="target-libffi \
145 # these libraries are built for the target environment, and are built after
146 # the host libraries and the host tools (which may be a cross compiler)
148 target_libraries="target-libiberty \
151 target-libstdc++-v3 \
157 # these tools are built using the target libraries, and are intended to
158 # run only in the target environment
160 # note: any program that *uses* libraries that are in the "target_libraries"
161 # list belongs in this list. those programs are also very likely
162 # candidates for the "native_only" list which follows
164 target_tools="target-examples target-groff target-gperf target-rda"
166 ################################################################################
168 ## All tools belong in one of the four categories, and are assigned above
169 ## We assign ${configdirs} this way to remove all embedded newlines. This
170 ## is important because configure will choke if they ever get through.
171 ## ${configdirs} is directories we build using the host tools.
172 ## ${target_configdirs} is directories we build using the target tools.
174 configdirs=`echo ${host_libs} ${host_tools}`
175 target_configdirs=`echo ${target_libraries} ${target_tools}`
177 # Only make build modules if build != host.
178 # This should be done more generally, but at the moment it doesn't matter.
179 if test ${host_alias} != ${build_alias} ; then
180 # This is the only build module.
181 build_modules=libiberty
187 ################################################################################
189 srcname="gnu development package"
191 # This gets set non-empty for some net releases of packages.
194 # Define is_cross_compiler to save on calls to 'test'.
196 if test x"${host}" = x"${target}" ; then
199 is_cross_compiler=yes
202 # Find the build and target subdir names.
205 # Skipdirs are removed silently.
207 # Noconfigdirs are removed loudly.
211 # Make sure we don't let GNU ld be added if we didn't want it.
212 if test x$with_gnu_ld = xno ; then
214 noconfigdirs="$noconfigdirs ld"
218 # Make sure we don't let GNU as be added if we didn't want it.
219 if test x$with_gnu_as = xno ; then
221 noconfigdirs="$noconfigdirs gas"
224 # some tools are so dependent upon X11 that if we're not building with X,
225 # it's not even worth trying to configure, much less build, that tool.
228 yes | "") ;; # the default value for this tree is that X11 is available
230 skipdirs="${skipdirs} tk tix itcl libgui"
231 # We won't be able to build gdbtk without X.
234 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
237 # Some tools are only suitable for building in a "native" situation.
238 # Remove these if host!=target.
239 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"
241 # Similarly, some are only suitable for cross toolchains.
242 # Remove these if host=target.
243 cross_only="target-libgloss target-newlib target-opcodes"
245 case $is_cross_compiler in
246 no) skipdirs="${skipdirs} ${cross_only}" ;;
247 yes) skipdirs="${skipdirs} ${native_only}" ;;
250 # If both --with-headers and --with-libs are specified, default to
252 if test x"${with_headers}" != x && test x"${with_headers} != xno \
253 && test x"${with_libs}" != x && test x"${with_libs} != xno ; then
254 if test x"${with_newlib}" = x ; then
259 # Recognize --with-newlib/--without-newlib.
260 case ${with_newlib} in
261 no) skipdirs="${skipdirs} target-newlib" ;;
262 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
265 # Configure extra directories which are host specific
269 configdirs="$configdirs libtermcap" ;;
272 # Remove more programs from consideration, based on the host or
273 # target this usually means that a port of the program doesn't
278 noconfigdirs="$noconfigdirs byacc"
280 i[[3456789]]86-*-vsta)
281 noconfigdirs="$noconfigdirs tcl expect dejagnu make texinfo bison patch flex byacc send-pr gprof uudecode dejagnu diff guile perl itcl tix gnuserv gettext"
283 i[[3456789]]86-*-go32* | i[[3456789]]86-*-msdosdjgpp*)
284 noconfigdirs="$noconfigdirs tcl tk expect dejagnu send-pr uudecode guile itcl tix gnuserv libffi"
286 i[[3456789]]86-*-mingw32*)
287 # noconfigdirs="tcl tk expect dejagnu make texinfo bison patch flex byacc send-pr uudecode dejagnu diff guile perl itcl tix gnuserv"
288 noconfigdirs="$noconfigdirs expect dejagnu autoconf automake send-pr rcs guile perl texinfo libtool"
290 i[[3456789]]86-*-beos*)
291 noconfigdirs="$noconfigdirs tk itcl tix libgui gdb"
294 noconfigdirs="$noconfigdirs autoconf automake send-pr rcs guile perl"
297 noconfigdirs="$noconfigdirs rcs"
300 noconfigdirs="$noconfigdirs patch diff make tk tcl expect dejagnu autoconf automake texinfo bison send-pr gprof rcs guile perl itcl tix gnuserv"
303 noconfigdirs="$noconfigdirs tk itcl tix libgui gdb dejagnu readline"
306 noconfigdirs="$noconfigdirs tk itcl tix libgui"
310 AC_ARG_ENABLE(libada,
311 [ --enable-libada Builds libada directory],
312 ENABLE_LIBADA=$enableval,
314 if test "${ENABLE_LIBADA}" != "yes" ; then
315 noconfigdirs="$noconfigdirs target-libada"
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 ${libgcj}"
336 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
339 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes gdb gprof"
340 noconfigdirs="$noconfigdirs target-libobjc"
343 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes gdb gprof"
344 noconfigdirs="$noconfigdirs target-libobjc ${libgcj}"
346 *-*-freebsd[[12]] | *-*-freebsd[[12]].* | *-*-freebsd*aout*)
347 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
350 # Remove unsupported stuff on all kaOS configurations.
351 skipdirs="target-libiberty ${libgcj} target-libstdc++-v3 target-libf2c target-librx"
352 skipdirs="$skipdirs target-libobjc target-examples target-groff target-gperf"
353 skipdirs="$skipdirs zlib fastjar target-libjava target-boehm-gc target-zlib"
354 noconfigdirs="$noconfigdirs target-libgloss"
357 # Skip some stuff on all NetBSD configurations.
358 noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss"
360 # Skip some stuff that's unsupported on some NetBSD configurations.
362 i*86-*-netbsdelf*) ;;
363 arm*-*-netbsdelf*) ;;
365 noconfigdirs="$noconfigdirs ${libgcj}"
370 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-newlib target-libiberty target-libgloss ${libgcj}"
373 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
375 h8300*-*-* | h8500-*-*)
376 noconfigdirs="$noconfigdirs target-libf2c"
382 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-rda ${libgcj}"
385 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libiberty ${libgcj}"
388 # ld works, but does not support shared libraries.
389 # newlib is not 64 bit ready. I'm not sure about fileutils.
390 # gas doesn't generate exception information.
391 noconfigdirs="$noconfigdirs gas ld fileutils target-newlib target-libgloss"
394 noconfigdirs="$noconfigdirs gdb ld target-newlib target-libgloss ${libgcj}"
397 # newlib is not 64 bit ready
398 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
400 alpha*-*-freebsd* | alpha*-*-kfreebsd*-gnu)
401 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
404 # newlib is not 64 bit ready
405 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
408 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
411 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
413 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
414 noconfigdirs="$noconfigdirs ${libgcj}"
415 noconfigdirs="$noconfigdirs target-examples"
416 noconfigdirs="$noconfigdirs target-libiberty texinfo send-pr"
417 noconfigdirs="$noconfigdirs tcl tix tk itcl libgui sim"
418 noconfigdirs="$noconfigdirs expect dejagnu"
419 # the C++ libraries don't build on top of CE's C libraries
420 noconfigdirs="$noconfigdirs target-libstdc++-v3"
421 noconfigdirs="$noconfigdirs target-newlib"
423 *-*-cygwin*) ;; # keep gdb and readline
424 *) noconfigdirs="$noconfigdirs gdb readline"
429 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
431 arm-*-coff | strongarm-*-coff | xscale-*-coff)
432 noconfigdirs="$noconfigdirs ${libgcj}"
434 arm-*-elf* | strongarm-*-elf* | xscale-*-elf*)
435 noconfigdirs="$noconfigdirs target-libffi target-qthreads"
438 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
441 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
444 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
447 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
450 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
453 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
456 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
459 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
462 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
464 c54x*-*-* | tic54x-*-*)
465 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj} gcc gdb newlib"
468 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
471 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
474 noconfigdirs="$noconfigdirs ${libgcj} gdb"
477 noconfigdirs="$noconfigdirs ${libgcj} gdb"
480 noconfigdirs="$noconfigdirs ${libgcj}"
483 noconfigdirs="$noconfigdirs target-libgloss ${libgcj} target-libf2c"
486 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj} target-libf2c"
488 hppa*64*-*-linux* | parisc*64*-*-linux*)
489 # In this case, it's because the hppa64-linux target is for
490 # the kernel only at this point and has no libc, and thus no
491 # headers, crt*.o, etc., all of which are needed by these.
492 noconfigdirs="$noconfigdirs target-zlib"
495 parisc*-*-linux* | hppa*-*-linux* | \
499 noconfigdirs="$noconfigdirs ${libgcj}"
500 # Do configure ld/binutils/gas for this case.
503 # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
504 # build on HP-UX 10.20.
505 noconfigdirs="$noconfigdirs ld shellutils ${libgcj}"
508 noconfigdirs="$noconfigdirs ${libgcj} gdb"
511 # No gdb support yet.
512 noconfigdirs="$noconfigdirs tix readline mmalloc libgui itcl gdb"
515 # No gdb or ld support yet.
516 noconfigdirs="$noconfigdirs ${libgcj} tix readline mmalloc libgui itcl gdb ld"
518 i[[3456789]]86-*-coff | i[[3456789]]86-*-elf)
519 noconfigdirs="$noconfigdirs ${libgcj}"
521 i[[3456789]]86-*-freebsd* | i[[3456789]]86-*-kfreebsd*-gnu)
522 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
524 i[[3456789]]86-*-linux*)
525 # The GCC port for glibc1 has no MD_FALLBACK_FRAME_STATE_FOR, so let's
526 # not build java stuff by default.
529 noconfigdirs="$noconfigdirs ${libgcj}";;
532 # This section makes it possible to build newlib natively on linux.
533 # If we are using a cross compiler then don't configure newlib.
534 if test x${is_cross_compiler} != xno ; then
535 noconfigdirs="$noconfigdirs target-newlib"
537 noconfigdirs="$noconfigdirs target-libgloss"
538 # If we are not using a cross compiler, do configure newlib.
539 # Note however, that newlib will only be configured in this situation
540 # if the --with-newlib option has been given, because otherwise
541 # 'target-newlib' will appear in skipdirs.
543 i[[3456789]]86-*-mingw32*)
544 target_configdirs="$target_configdirs target-mingw"
545 noconfigdirs="$noconfigdirs expect target-libgloss ${libgcj}"
547 # Can't build gdb for mingw32 if not native.
549 i[[3456789]]86-*-mingw32) ;; # keep gdb tcl tk expect etc.
550 *) noconfigdirs="$noconfigdirs gdb tcl tk expect itcl tix gnuserv"
555 target_configdirs="$target_configdirs target-libtermcap target-winsup"
556 noconfigdirs="$noconfigdirs target-gperf target-libgloss ${libgcj}"
557 # always build newlib.
558 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
560 # Can't build gdb for Cygwin if not native.
562 *-*-cygwin*) ;; # keep gdb tcl tk expect etc.
563 *) noconfigdirs="$noconfigdirs gdb tcl tk expect itcl tix libgui gnuserv"
568 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
570 i[[3456789]]86-*-sco3.2v5*)
571 # The linker does not yet know about weak symbols in COFF,
572 # and is not configured to handle mixed ELF and COFF.
573 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
575 i[[3456789]]86-*-sco*)
576 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
578 i[[3456789]]86-*-solaris2*)
579 noconfigdirs="$noconfigdirs target-libgloss"
581 i[[3456789]]86-*-sysv4*)
582 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
584 i[[3456789]]86-*-beos*)
585 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
588 noconfigdirs="$noconfigdirs ${libgcj}"
590 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
591 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
594 noconfigdirs="$noconfigdirs ${libgcj}"
597 noconfigdirs="$noconfigdirs ${libgcj}"
600 # The EPOC C++ environment does not support exceptions or rtti,
601 # and so building libstdc++-v3 tends not to always work.
602 noconfigdirs="$noconfigdirs target-libstdc++-v3"
605 noconfigdirs="$noconfigdirs ${libgcj} gdb libgloss"
608 noconfigdirs="$noconfigdirs ${libgcj}"
611 noconfigdirs="$noconfigdirs ${libgcj}"
614 # copied from rs6000-*-* entry
615 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
617 powerpc*-*-winnt* | powerpc*-*-pe* | ppc*-*-pe)
618 target_configdirs="$target_configdirs target-winsup"
619 noconfigdirs="$noconfigdirs gdb tcl tk make expect target-libgloss itcl tix gnuserv ${libgcj}"
620 # always build newlib.
621 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
623 # This is temporary until we can link against shared libraries
624 powerpcle-*-solaris*)
625 noconfigdirs="$noconfigdirs gdb sim make tcl tk expect itcl tix gnuserv ${libgcj}"
628 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
631 noconfigdirs="$noconfigdirs ${libgcj}"
634 noconfigdirs="$noconfigdirs target-newlib gprof ${libgcj}"
637 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
640 noconfigdirs="$noconfigdirs gprof ${libgcj}"
643 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss ${libgcj}"
646 # The GNU linker does not support shared libraries.
647 noconfigdirs="$noconfigdirs ld gprof target-libgloss ${libgcj}"
650 # Linking libjava exceeds command-line length limits on at least
651 # IRIX 6.2, but not on IRIX 6.5.
652 # Also, boehm-gc won't build on IRIX 6.5, according to Jeffrey Oldham
653 # <oldham@codesourcery.com>
654 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
657 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
660 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
663 noconfigdirs="$noconfigdirs gprof ${libgcj}" # same as generic mips
666 noconfigdirs="$noconfigdirs target-newlib ${libgcj}"
669 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
672 noconfigdirs="$noconfigdirs gprof ${libgcj}"
675 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes target-libgloss ${libgcj}"
679 i[[3456789]]86-*-vsta) ;; # don't add gprof back in
680 i[[3456789]]86-*-go32*) ;; # don't add gprof back in
681 i[[3456789]]86-*-msdosdjgpp*) ;; # don't add gprof back in
682 *) skipdirs=`echo " ${skipdirs} " | sed -e 's/ gprof / /'` ;;
684 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
687 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
690 noconfigdirs="$noconfigdirs ${libgcj}"
693 noconfigdirs="$noconfigdirs ${libgcj}"
696 noconfigdirs="$noconfigdirs ${libgcj}"
699 noconfigdirs="$noconfigdirs ${libgcj}"
700 if test x${is_cross_compiler} != xno ; then
701 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
706 sparc-*-solaris* | sparc64-*-solaris* | sparcv9-*-solaris*)
709 noconfigdirs="$noconfigdirs bfd binutils gas gcc gdb ld target-libstdc++-v3 opcodes target-libgloss ${libgcj}"
712 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
715 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
718 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
721 noconfigdirs="$noconfigdirs bfd binutils gdb ld target-newlib opcodes target-libgloss ${libgcj}"
724 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
727 noconfigdirs="$noconfigdirs ${libgcj}"
730 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
733 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
736 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
739 noconfigdirs="$noconfigdirs ${libgcj}"
743 # If we aren't building newlib, then don't build libgloss, since libgloss
744 # depends upon some newlib header files.
745 case "${noconfigdirs}" in
746 *target-libgloss*) ;;
747 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
750 # Work in distributions that contain no compiler tools, like Autoconf.
752 host_makefile_frag=/dev/null
753 if test -d ${srcdir}/config ; then
756 # Avoid "too much defining" errors from HPUX compiler.
757 tentative_cc="cc -Wp,-H256000"
758 # If "ar" in $PATH is GNU ar, the symbol table may need rebuilding.
759 # If it's HP/UX ar, this should be harmless.
763 tentative_cc="cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DUSG"
766 #None of the Apollo compilers can compile gas or binutils. The preprocessor
767 # chokes on bfd, the compiler won't let you assign integers to enums, and
768 # other problems. Defining CC to gcc is a questionable way to say "don't use
769 # the apollo compiler" (the preferred version of GCC could be called cc,
770 # or whatever), but I'm not sure leaving CC as cc is any better...
771 #CC=cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DNO_STDARG
772 # Used to have BISON=yacc.
776 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
779 # Under CX/UX, we want to tell the compiler to use ANSI mode.
780 tentative_cc="cc -Xa"
781 host_makefile_frag="config/mh-cxux"
786 tentative_cc="cc -Wf,-XNg1000"
787 host_makefile_frag="config/mh-decstation"
790 # The C compiler on NEC MIPS SVR4 needs bigger tables.
791 tentative_cc="cc -ZXNd=5000 -ZXNg=1000"
792 host_makefile_frag="config/mh-necv4"
795 # Tell compiler to use K&R C. We can't compile under the SGI Ansi
796 # environment. Also bump switch table size so that cp-parse will
797 # compile. Bump string length limit so linker builds.
798 tentative_cc="cc -cckr -Wf,-XNg1500 -Wf,-XNk1000 -Wf,-XNh2000 -Wf,-XNl8192"
801 host_makefile_frag="config/mh-sysv4"
804 # This is for a MIPS running RISC/os 4.52C.
806 # This is needed for GDB, but needs to be in the top-level make because
807 # if a library is compiled with the bsd headers and gets linked with the
808 # sysv system libraries all hell can break loose (e.g. a jmp_buf might be
810 # ptrace(2) apparently has problems in the BSD environment. No workaround is
811 # known except to select the sysv environment. Could we use /proc instead?
812 # These "sysv environments" and "bsd environments" often end up being a pain.
814 # This is not part of CFLAGS because perhaps not all C compilers have this
816 tentative_cc="cc -systype sysv"
821 i[[3456789]]86-*-sysv5*)
822 host_makefile_frag="config/mh-sysv5"
824 i[[3456789]]86-*-dgux*)
825 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
826 host_makefile_frag="config/mh-dgux386"
828 i[[3456789]]86-ncr-sysv4.3*)
829 # The MetaWare compiler will generate a copyright message unless you
830 # turn it off by adding the -Hnocopyr flag.
831 tentative_cc="cc -Hnocopyr"
833 i[[3456789]]86-ncr-sysv4*)
834 # for an NCR 3000 (i486/SVR4) system.
835 # The NCR 3000 ships with a MetaWare compiler installed as /bin/cc.
836 # This compiler not only emits obnoxious copyright messages every time
837 # you run it, but it chokes and dies on a whole bunch of GNU source
838 # files. Default to using the AT&T compiler installed in /usr/ccs/ATT/cc.
839 tentative_cc="/usr/ccs/ATT/cc"
840 host_makefile_frag="config/mh-ncr3000"
842 i[[3456789]]86-*-sco3.2v5*)
844 i[[3456789]]86-*-sco*)
845 # The native C compiler botches some simple uses of const. Unfortunately,
846 # it doesn't defined anything like "__sco__" for us to test for in ansidecl.h.
847 tentative_cc="cc -Dconst="
848 host_makefile_frag="config/mh-sco"
850 i[[3456789]]86-*-udk*)
851 host_makefile_frag="config/mh-sysv5"
853 i[[3456789]]86-*-solaris2*)
854 host_makefile_frag="config/mh-sysv4"
856 i[[3456789]]86-*-msdosdjgpp*)
857 host_makefile_frag="config/mh-djgpp"
860 host_makefile_frag="config/mh-cygwin"
863 host_makefile_frag="config/mh-mingw32"
866 host_makefile_frag="config/mh-interix"
869 # The old BSD pcc isn't up to compiling parts of gdb so use gcc
873 host_makefile_frag="config/mh-solaris"
876 # Sun's C compiler needs the -J flag to be able to compile cp-parse.c
877 # without overflowing the jump tables (-J says to use a 32 bit table)
881 tentative_cc="cc -Wp,-H256000"
884 tentative_cc="cc -Wp,-H256000"
887 # /bin/cc is less than useful for our purposes. Always use GCC
888 tentative_cc="/usr/cygnus/progressive/bin/gcc"
889 host_makefile_frag="config/mh-lynxrs6k"
892 # /bin/cc is less than useful for our purposes. Always use GCC
893 tentative_cc="/bin/gcc"
896 host_makefile_frag="config/mh-sysv4"
901 # If we aren't going to be using gcc, see if we can extract a definition
902 # of CC from the fragment.
903 # Actually, use the 'pre-extracted' version above.
904 if test -z "${CC}" && test "${build}" = "${host}" ; then
905 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
908 test -z "$dir" && dir=.
909 if test -f $dir/gcc; then
915 if test -z "${found}" && test -n "${tentative_cc}" ; then
920 if test "${build}" != "${host}" ; then
921 # If we are doing a Canadian Cross, in which the host and build systems
922 # are not the same, we set reasonable default values for the tools.
925 CC=${CC-${host_alias}-gcc}
926 CFLAGS=${CFLAGS-"-g -O2"}
927 CXX=${CXX-${host_alias}-c++}
928 CXXFLAGS=${CXXFLAGS-"-g -O2"}
929 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
930 CC_FOR_TARGET=${CC_FOR_TARGET-${target_alias}-gcc}
931 CXX_FOR_TARGET=${CXX_FOR_TARGET-${target_alias}-c++}
932 GCJ_FOR_TARGET=${GCJ_FOR_TARGET-${target_alias}-gcj}
933 GCC_FOR_TARGET=${GCC_FOR_TARGET-${CC_FOR_TARGET-${target_alias}-gcc}}
934 BUILD_PREFIX=${build_alias}-
935 BUILD_PREFIX_1=${build_alias}-
936 MAKEINFO=${MAKEINFO-makeinfo}
938 if test -z "${YACC}" ; then
939 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
941 test -z "$dir" && dir=.
942 if test -f $dir/bison; then
946 if test -f $dir/byacc; then
950 if test -f $dir/yacc; then
956 if test -z "${YACC}" ; then
961 if test -z "${LEX}" ; then
962 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
964 test -z "$dir" && dir=.
965 if test -f $dir/flex; then
969 if test -f $dir/lex; then
979 # Set reasonable default values for some tools even if not Canadian.
980 # Of course, these are different reasonable default values, originally
981 # specified directly in the Makefile.
982 # We don't export, so that autoconf can do its job.
983 # Note that all these settings are above the fragment inclusion point
984 # in Makefile.in, so can still be overridden by fragments.
985 # This is all going to change when we autoconfiscate...
987 BISON="\$(USUAL_BISON)"
988 CC_FOR_BUILD="\$(CC)"
989 GCC_FOR_TARGET="\$(USUAL_GCC_FOR_TARGET)"
991 BUILD_PREFIX_1=loser-
992 MAKEINFO="\$(USUAL_MAKEINFO)"
994 YACC="\$(USUAL_YACC)"
996 # If CC is still not set, try to get gcc.
998 if test -z "${CC}" ; then
999 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
1000 for dir in $PATH; do
1001 test -z "$dir" && dir=.
1002 if test -f $dir/gcc; then
1005 echo 'void f(){}' > conftest.c
1006 if test -z "`${CC} -g -c conftest.c 2>&1`"; then
1007 CFLAGS=${CFLAGS-"-g -O2"}
1008 CXXFLAGS=${CXXFLAGS-"-g -O2"}
1010 CFLAGS=${CFLAGS-"-O2"}
1011 CXXFLAGS=${CXXFLAGS-"-O2"}
1020 # Determine if we are using gcc.
1021 cat > conftest.c <<EOF
1026 if ${CC} -E conftest.c | grep yes >/dev/null 2>&1; then
1030 if test -z "${CFLAGS}"; then
1031 # Here CC is set but CFLAGS is not. Use a quick hack to use -O2 if CC
1032 # is set to a version of gcc.
1033 if test "$cc_prog_is_gcc" = yes; then
1034 echo 'void f(){}' > conftest.c
1035 if test -z "`${CC} -g -c conftest.c 2>&1`"; then
1036 CFLAGS=${CFLAGS-"-g -O2"}
1037 CXXFLAGS=${CXXFLAGS-"-g -O2"}
1039 CFLAGS=${CFLAGS-"-O2"}
1040 CXXFLAGS=${CXXFLAGS-"-O2"}
1047 # We must set the default linker to the linker used by gcc for the correct
1048 # operation of libtool. If LD is not defined and we are using gcc, try to
1049 # set the LD default to the ld used by gcc.
1050 if test -z "$LD"; then
1051 if test "$cc_prog_is_gcc" = yes; then
1054 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1056 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1058 case $gcc_prog_ld in
1059 # Accept absolute paths.
1060 [[\\/]* | [A-Za-z]:[\\/]*)]
1061 LD="$gcc_prog_ld" ;;
1067 CFLAGS=${CFLAGS-"-g"}
1068 CXXFLAGS=${CXXFLAGS-"-g -O2"}
1072 ACX_PROG_CMP_IGNORE_INITIAL
1074 # By default, C is the only stage 1 language.
1076 AC_SUBST(stage1_languages)
1078 # Figure out what language subdirectories are present.
1079 # Look if the user specified --enable-languages="..."; if not, use
1080 # the environment variable $LANGUAGES if defined. $LANGUAGES might
1082 # NB: embedded tabs in this IF block -- do not untabify
1083 if test -d ${srcdir}/gcc; then
1084 if test x"${enable_languages+set}" != xset; then
1085 if test x"${LANGUAGES+set}" = xset; then
1086 enable_languages="${LANGUAGES}"
1087 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1089 enable_languages=all
1092 if test x"${enable_languages}" = x ||
1093 test x"${enable_languages}" = xyes;
1095 echo configure.in: --enable-languages needs at least one language argument 1>&2
1099 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1101 # First scan to see if an enabled language requires some other language.
1102 # We assume that a given config-lang.in will list all the language
1103 # front ends it requires, even if some are required indirectly.
1104 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1105 case ${lang_frag} in
1107 # The odd quoting in the next line works around
1108 # an apparent bug in bash 1.12 on linux.
1109 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1111 # From the config-lang.in, get $language, $lang_requires
1115 for other in ${lang_requires} ; do
1116 case ,${enable_languages}, in
1120 echo " \`$other' language required by \`$language'; enabling" 1>&2
1121 enable_languages="${enable_languages},${other}"
1129 new_enable_languages=c
1130 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
1132 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1133 case ${lang_frag} in
1135 # The odd quoting in the next line works around
1136 # an apparent bug in bash 1.12 on linux.
1137 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1139 # From the config-lang.in, get $language, $target_libs,
1140 # $lang_dirs, $boot_language, and $build_by_default
1147 # This is quite sensitive to the ordering of the case statement arms.
1148 case ,${enable_languages},:${language}:${have_gnat}:${build_by_default} in
1150 echo "${lang_frag} doesn't set \$language." 1>&2
1154 # Ada was requested with no preexisting GNAT. Disable unconditionally.
1157 *,${language},*:*:*:*)
1158 # Language was explicitly selected; include it.
1162 # 'all' was selected, but this is not a default language
1163 # so do not include it.
1167 # 'all' was selected and this is a default language; include it.
1174 case $add_this_lang in
1176 # Remove language-dependent dirs.
1177 eval noconfigdirs='"$noconfigdirs "'\"$target_libs $lang_dirs\"
1180 new_enable_languages="$new_enable_languages,$language"
1181 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
1182 case ${boot_language} in
1184 # Add to (comma-separated) list of stage 1 languages.
1185 stage1_languages="${stage1_languages},${language}"
1194 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
1195 if test "x$missing_languages" != x; then
1197 The following requested languages were not found: ${missing_languages}])
1200 if test "x$new_enable_languages" != "x$enable_languages"; then
1201 echo The following languages will be built: ${new_enable_languages}
1203 enable_languages="$new_enable_languages"
1204 ac_configure_args=`echo " $ac_configure_args" | sed -e 's/ --enable-languages=[[^ ]]*//' -e 's/$/ --enable-languages='"$enable_languages"/ `
1207 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs and
1208 # $target_configdirs.
1209 # If we have the source for $noconfigdirs entries, add them to $notsupp.
1212 for dir in . $skipdirs $noconfigdirs ; do
1213 dirname=`echo $dir | sed -e s/target-//g`
1214 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1215 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
1216 if test -r $srcdir/$dirname/configure ; then
1217 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1220 notsupp="$notsupp $dir"
1224 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1225 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
1226 if test -r $srcdir/$dirname/configure ; then
1227 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1230 notsupp="$notsupp $dir"
1236 # Sometimes the tools are distributed with libiberty but with no other
1237 # libraries. In that case, we don't want to build target-libiberty.
1238 if test -n "${target_configdirs}" ; then
1240 for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do
1241 if test "$i" != "libiberty" ; then
1242 if test -r $srcdir/$i/configure ; then
1248 if test -z "${others}" ; then
1253 # Quietly strip out all directories which aren't configurable in this tree.
1254 # This relies on all configurable subdirectories being autoconfiscated, which
1256 configdirs_all="$configdirs"
1258 for i in ${configdirs_all} ; do
1259 if test -f ${srcdir}/$i/configure ; then
1260 configdirs="${configdirs} $i"
1263 target_configdirs_all="$target_configdirs"
1265 for i in ${target_configdirs_all} ; do
1266 j=`echo $i | sed -e s/target-//g`
1267 if test -f ${srcdir}/$j/configure ; then
1268 target_configdirs="${target_configdirs} $i"
1272 # Produce a warning message for the subdirs we can't configure.
1273 # This isn't especially interesting in the Cygnus tree, but in the individual
1274 # FSF releases, it's important to let people know when their machine isn't
1275 # supported by the one or two programs in a package.
1277 if test -n "${notsupp}" && test -z "${norecursion}" ; then
1278 # If $appdirs is non-empty, at least one of those directories must still
1279 # be configured, or we error out. (E.g., if the gas release supports a
1280 # specified target in some subdirs but not the gas subdir, we shouldn't
1281 # pretend that all is well.)
1282 if test -n "$appdirs" ; then
1283 for dir in $appdirs ; do
1284 if test -r $dir/Makefile.in ; then
1285 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1289 if echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1295 if test -n "$appdirs" ; then
1296 echo "*** This configuration is not supported by this package." 1>&2
1300 # Okay, some application will build, or we don't care to check. Still
1301 # notify of subdirs not getting built.
1302 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
1303 echo " ${notsupp}" 1>&2
1304 echo " (Any other directories should still work fine.)" 1>&2
1314 # Handle --with-headers=XXX. If the value is not "yes", the contents of
1315 # the named directory are copied to $(tooldir)/sys-include.
1316 if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
1317 if test x${is_cross_compiler} = xno ; then
1318 echo 1>&2 '***' --with-headers is only supported when cross compiling
1321 if test x"${with_headers}" != xyes ; then
1322 case "${exec_prefixoption}" in
1324 *) x=${exec_prefix} ;;
1326 copy_dirs="${copy_dirs} ${with_headers} $x/${target_alias}/sys-include"
1330 # Handle --with-libs=XXX. If the value is not "yes", the contents of
1331 # the name directories are copied to $(tooldir)/lib. Multiple directories
1333 if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
1334 if test x${is_cross_compiler} = xno ; then
1335 echo 1>&2 '***' --with-libs is only supported when cross compiling
1338 if test x"${with_libs}" != xyes ; then
1339 # Copy the libraries in reverse order, so that files in the first named
1340 # library override files in subsequent libraries.
1341 case "${exec_prefixoption}" in
1343 *) x=${exec_prefix} ;;
1345 for l in ${with_libs}; do
1346 copy_dirs="$l $x/${target_alias}/lib ${copy_dirs}"
1351 # Handle ${copy_dirs}
1352 set fnord ${copy_dirs}
1354 while test $# != 0 ; do
1355 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
1358 echo Copying $1 to $2
1360 # Use the install script to create the directory and all required
1361 # parent directories.
1362 if test -d $2 ; then
1366 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
1369 # Copy the directory, assuming we have tar.
1370 # FIXME: Should we use B in the second tar? Not all systems support it.
1371 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
1373 # It is the responsibility of the user to correctly adjust all
1374 # symlinks. If somebody can figure out how to handle them correctly
1375 # here, feel free to add the code.
1382 extra_arflags_for_target=
1383 extra_nmflags_for_target=
1384 extra_ranlibflags_for_target=
1385 target_makefile_frag=/dev/null
1387 i[[3456789]]86-*-netware*)
1388 target_makefile_frag="config/mt-netware"
1391 target_makefile_frag="config/mt-netware"
1394 target_makefile_frag="config/mt-linux"
1396 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
1397 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
1398 # commands to handle both 32-bit and 64-bit objects. These flags are
1399 # harmless if we're using GNU nm or ar.
1400 extra_arflags_for_target=" -X32_64"
1401 extra_nmflags_for_target=" -B -X32_64"
1404 # ranlib from Darwin requires the -c flag to look at common symbols.
1405 extra_ranlibflags_for_target=" -c"
1407 mips*-*-pe | sh*-*-pe | *arm-wince-pe)
1408 target_makefile_frag="config/mt-wince"
1412 alphaieee_frag=/dev/null
1415 # This just makes sure to use the -mieee option to build target libs.
1416 # This should probably be set individually by each library.
1417 alphaieee_frag="config/mt-alphaieee"
1421 # If --enable-target-optspace always use -Os instead of -O2 to build
1422 # the target libraries, similarly if it is not specified, use -Os
1423 # on selected platforms.
1424 ospace_frag=/dev/null
1425 case "${enable_target_optspace}:${target}" in
1427 ospace_frag="config/mt-ospace"
1430 ospace_frag="config/mt-d30v"
1432 :m32r-* | :d10v-* | :fr30-*)
1433 ospace_frag="config/mt-ospace"
1438 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
1442 # Set with_gnu_as and with_gnu_ld as appropriate.
1444 # This is done by determining whether or not the appropriate directory
1445 # is available, and by checking whether or not specific configurations
1446 # have requested that this magic not happen.
1448 # The command line options always override the explicit settings in
1449 # configure.in, and the settings in configure.in override this magic.
1451 # If the default for a toolchain is to use GNU as and ld, and you don't
1452 # want to do that, then you should use the --without-gnu-as and
1453 # --without-gnu-ld options for the configure script.
1455 if test x${use_gnu_as} = x &&
1456 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
1458 extra_host_args="$extra_host_args --with-gnu-as"
1461 if test x${use_gnu_ld} = x &&
1462 echo " ${configdirs} " | grep " ld " > /dev/null 2>&1 ; then
1464 extra_host_args="$extra_host_args --with-gnu-ld"
1467 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
1468 # can detect this case.
1470 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
1472 extra_host_args="$extra_host_args --with-newlib"
1476 # Default to using --with-stabs for certain targets.
1477 if test x${with_stabs} = x ; then
1479 mips*-*-irix[[56]]*)
1481 mips*-*-* | alpha*-*-osf*)
1483 extra_host_args="${extra_host_args} --with-stabs"
1488 # hpux11 in 64bit mode has libraries in a weird place. Arrange to find
1489 # them automatically.
1492 extra_host_args="$extra_host_args -x-libraries=/usr/lib/pa20_64 -x-includes=/usr/X11R6/include"
1496 # Some systems (e.g., one of the i386-aix systems the gas testers are
1497 # using) don't handle "\$" correctly, so don't use it here.
1498 tooldir='${exec_prefix}'/${target_alias}
1499 build_tooldir=${tooldir}
1501 # Generate default definitions for YACC, M4, LEX. These are used if the
1502 # Makefile can't locate these programs in objdir.
1503 MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
1504 AC_CHECK_PROGS([DEFAULT_YACC], ['bison -y' byacc yacc], [$MISSING bison])
1505 AC_CHECK_PROGS([DEFAULT_M4], [gm4 gnum4 m4], [$MISSING m4])
1506 AC_CHECK_PROGS([DEFAULT_LEX], [flex lex], [$MISSING flex])
1508 # Create a .gdbinit file which runs the one in srcdir
1509 # and tells GDB to look there for source files.
1511 if test -r ${srcdir}/.gdbinit ; then
1514 *) cat > ./.gdbinit <<EOF
1518 source ${srcdir}/.gdbinit
1524 # Make sure that the compiler is able to generate an executable. If it
1525 # can't, we are probably in trouble. We don't care whether we can run the
1526 # executable--we might be using a cross compiler--we only care whether it
1527 # can be created. At this point the main configure script has set CC.
1529 echo "int main () { return 0; }" > conftest.c
1530 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
1531 if test $? = 0 ; then
1532 if test -s conftest || test -s conftest.exe ; then
1538 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
1539 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
1546 # The Solaris /usr/ucb/cc compiler does not appear to work.
1548 sparc-sun-solaris2*)
1549 CCBASE="`echo ${CC-cc} | sed 's/ .*$//'`"
1550 if test "`type $CCBASE | sed 's/^[[^/]]*//'`" = "/usr/ucb/cc" ; then
1552 test -d /opt/SUNWspro/bin && could_use="/opt/SUNWspro/bin"
1553 if test -d /opt/cygnus/bin ; then
1554 if test "$could_use" = "" ; then
1555 could_use="/opt/cygnus/bin"
1557 could_use="$could_use or /opt/cygnus/bin"
1560 if test "$could_use" = "" ; then
1561 echo "Warning: compilation may fail because you're using"
1562 echo "/usr/ucb/cc. You should change your PATH or CC "
1563 echo "variable and rerun configure."
1565 echo "Warning: compilation may fail because you're using"
1566 echo "/usr/ucb/cc, when you should use the C compiler from"
1567 echo "$could_use. You should change your"
1568 echo "PATH or CC variable and rerun configure."
1574 # If --enable-shared was set, we must set LD_LIBRARY_PATH so that the
1575 # binutils tools will find libbfd.so.
1576 case "${enable_shared}" in
1577 no | "") SET_LIB_PATH= ;;
1578 *) SET_LIB_PATH="\$(REALLY_SET_LIB_PATH)" ;;
1582 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
1583 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
1586 # Record target_configdirs and the configure arguments for target and
1587 # build configuration in Makefile.
1588 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
1590 # This is the final value for target_configdirs. configdirs already
1591 # has its final value, as does build_modules. It's time to create some
1592 # lists of valid targets.
1595 configure_build_modules=
1596 for module in ${build_modules} ; do
1597 all_build_modules=all-build-${module}
1598 configure_build_modules=configure-build-${module}
1601 # Determine whether gdb needs tk/tcl or not.
1602 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
1603 # and in that case we want gdb to be built without tk. Ugh!
1604 # In fact I believe gdb is the *only* package directly dependent on tk,
1605 # so we should be able to put the 'maybe's in unconditionally and
1606 # leave out the maybe dependencies when enable_gdbtk is false. I'm not
1607 # 100% sure that that's safe though.
1609 gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-tix maybe-all-libgui"
1610 case "$enable_gdbtk" in
1614 GDB_TK="${gdb_tk}" ;;
1616 # Only add the dependency on gdbtk when GDBtk is part of the gdb
1617 # distro. Eventually someone will fix this and move Insight, nee
1618 # gdbtk to a separate directory.
1619 if test -d ${srcdir}/gdb/gdbtk ; then
1627 # Create the 'maybe dependencies'. This uses a temporary file.
1629 # While at that, we remove Makefiles if we were started for recursive
1630 # configuration, so that the top-level Makefile reconfigures them,
1631 # like we used to do when configure itself was recursive.
1633 echo '# maybedep.tmp' > maybedep.tmp
1635 # Make-targets which may need maybe dependencies.
1636 mts="configure all install check clean distclean dvi info install-info"
1637 mts="${mts} installcheck mostlyclean maintainer-clean TAGS"
1639 # Loop over modules and make-targets.
1640 for module in ${build_modules} ; do
1641 if test -z "${no_recursion}" \
1642 && test -f ${build_subdir}/${module}/Makefile; then
1643 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
1644 rm -f ${build_subdir}/${module}/Makefile
1646 for mt in ${mts} ; do
1648 install) ;; # No installing build modules.
1649 *) echo "maybe-${mt}-build-${module}: ${mt}-build-${module}" >> maybedep.tmp ;;
1653 for module in ${configdirs} ; do
1654 if test -z "${no_recursion}" \
1655 && test -f ${module}/Makefile; then
1656 echo 1>&2 "*** removing ${module}/Makefile to force reconfigure"
1657 rm -f ${module}/Makefile
1659 for mt in ${mts} ; do
1660 echo "maybe-${mt}-${module}: ${mt}-${module}" >> maybedep.tmp
1663 for module in ${target_configdirs} ; do
1664 if test -z "${no_recursion}" \
1665 && test -f ${target_subdir}/${module}/Makefile; then
1666 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
1667 rm -f ${target_subdir}/${module}/Makefile
1669 for mt in ${mts} ; do
1670 echo "maybe-${mt}-target-${module}: ${mt}-target-${module}" >> maybedep.tmp
1673 maybe_dependencies=maybedep.tmp
1674 AC_SUBST_FILE(maybe_dependencies)
1676 # Create the serialization dependencies. This uses a temporary file.
1678 AC_ARG_ENABLE([serial-configure],
1679 [ --enable-serial-[{host,target,build}-]configure
1680 Force sequential configuration of
1681 sub-packages for the host, target or build
1682 machine, or all sub-packages])
1684 case ${enable_serial_configure} in
1686 enable_serial_build_configure=yes
1687 enable_serial_host_configure=yes
1688 enable_serial_target_configure=yes
1692 # These force 'configure's to be done one at a time, to avoid problems
1693 # with contention over a shared config.cache.
1695 echo '# serdep.tmp' > serdep.tmp
1697 test "x${enable_serial_build_configure}" = xyes &&
1698 for item in ${build_configdirs} ; do
1701 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
1706 test "x${enable_serial_host_configure}" = xyes &&
1707 for item in ${configdirs} ; do
1710 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
1715 test "x${enable_serial_target_configure}" = xyes &&
1716 for item in ${target_configdirs} ; do
1719 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
1723 serialization_dependencies=serdep.tmp
1724 AC_SUBST_FILE(serialization_dependencies)
1726 # Base args. Strip norecursion, cache-file, srcdir, host, build,
1727 # target and nonopt. These are the ones we might not want to pass
1728 # down to subconfigures. Also strip program-prefix, program-suffix,
1729 # and program-transform-name, so that we can pass down a consistent
1730 # program-transform-name. If autoconf has put single quotes around
1731 # any of these arguments (because they contain shell metacharacters)
1732 # then this will fail; in practice this only happens for
1733 # --program-transform-name, so be sure to override --program-transform-name
1734 # at the end of the argument list.
1735 # These will be expanded by make, so quote '$'.
1736 cat <<\EOF_SED > conftestsed
1738 s/ --c[[a-z-]]*[[= ]][[^ ]]*//g
1739 s/ --sr[[a-z-]]*[[= ]][[^ ]]*//g
1740 s/ --ho[[a-z-]]*[[= ]][[^ ]]*//g
1741 s/ --bu[[a-z-]]*[[= ]][[^ ]]*//g
1742 s/ --t[[a-z-]]*[[= ]][[^ ]]*//g
1743 s/ --program-[[pst]][[a-z-]]*[[= ]][[^ ]]*//g
1744 s/ -cache-file[[= ]][[^ ]]*//g
1745 s/ -srcdir[[= ]][[^ ]]*//g
1746 s/ -host[[= ]][[^ ]]*//g
1747 s/ -build[[= ]][[^ ]]*//g
1748 s/ -target[[= ]][[^ ]]*//g
1749 s/ -program-prefix[[= ]][[^ ]]*//g
1750 s/ -program-suffix[[= ]][[^ ]]*//g
1751 s/ -program-transform-name[[= ]][[^ ]]*//g
1752 s/ [[^' -][^ ]*] / /
1756 sed -f conftestsed <<EOF_SED > conftestsed.out
1757 ${ac_configure_args}
1759 baseargs=`cat conftestsed.out`
1760 rm -f conftestsed conftestsed.out
1762 # Add in --program-transform-name, after --program-prefix and
1763 # --program-suffix have been applied to it. Autoconf has already
1764 # doubled dollar signs and backslashes in program_transform_name; we want
1765 # the backslashes un-doubled, and then the entire thing wrapped in single
1766 # quotes, because this will be expanded first by make and then by the shell.
1767 # Also, because we want to override the logic in subdir configure scripts to
1768 # choose program_transform_name, replace any s,x,x, with s,y,y,.
1769 sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
1770 ${program_transform_name}
1772 gcc_transform_name=`cat conftestsed.out`
1773 rm -f conftestsed.out
1774 baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
1776 # For the build-side libraries, we just need to pretend we're native,
1777 # and not use the same cache file. Multilibs are neither needed nor
1779 build_configargs="--cache-file=../config.cache --build=${build_alias} --host=${build_alias} ${baseargs}"
1781 # For host modules, accept cache file option, or specification as blank.
1782 case "${cache_file}" in
1784 cache_file_option="" ;;
1785 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
1786 cache_file_option="--cache-file=${cache_file}" ;;
1788 cache_file_option="--cache-file=../${cache_file}" ;;
1791 # Host dirs don't like to share a cache file either, horribly enough.
1792 # This seems to be due to autoconf 2.5x stupidity.
1793 host_configargs="--cache-file=./config.cache --build=${build_alias} --host=${host_alias} --target=${target_alias} ${extra_host_args} ${baseargs}"
1795 target_configargs=${baseargs}
1797 # Passing a --with-cross-host argument lets the target libraries know
1798 # whether they are being built with a cross-compiler or being built
1799 # native. However, it would be better to use other mechanisms to make the
1800 # sorts of decisions they want to make on this basis. Please consider
1801 # this option to be deprecated. FIXME.
1802 if test x${is_cross_compiler} = xyes ; then
1803 target_configargs="--with-cross-host=${host_alias} ${target_configargs}"
1806 # Default to --enable-multilib.
1807 if test x${enable_multilib} = x ; then
1808 target_configargs="--enable-multilib ${target_configargs}"
1811 # Pass --with-newlib if appropriate. Note that target_configdirs has
1812 # changed from the earlier setting of with_newlib.
1813 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
1814 target_configargs="--with-newlib ${target_configargs}"
1817 # Different target subdirs use different values of certain variables
1818 # (notably CXX). Worse, multilibs use *lots* of different values.
1819 # Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
1820 # it doesn't automatically accept command-line overrides of them.
1821 # This means it's not safe for target subdirs to share a cache file,
1822 # which is disgusting, but there you have it. Hopefully this can be
1823 # fixed in future. It's still worthwhile to use a cache file for each
1824 # directory. I think.
1826 # Pass the appropriate --host, --build, and --cache-file arguments.
1827 target_configargs="--cache-file=./config.cache --host=${target_alias} --build=${build_alias} ${target_configargs}"
1829 # provide a proper gxx_include_dir.
1830 # Note, if you change the default, make sure to fix both here and in
1831 # the gcc and libstdc++-v3 subdirectories.
1832 # Check whether --with-gxx-include-dir or --without-gxx-include-dir was given.
1833 case "${with_gxx_include_dir}" in
1835 AC_MSG_ERROR([--with-gxx-include-dir=[[dir]] requires a directory])
1838 case "${enable_version_specific_runtime_libs}" in
1839 yes) gxx_include_dir='${libsubdir}/include/c++' ;;
1841 . ${srcdir}/config.if
1842 gxx_include_dir='${prefix}/include/'${libstdcxx_incdir} ;;
1844 *) gxx_include_dir=${with_gxx_include_dir} ;;
1848 case " $target_configdirs " in
1850 case " $target_configargs " in
1851 *" --with-newlib "*)
1854 FLAGS_FOR_TARGET=$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' ;;
1857 # If we're not building GCC, don't discard standard headers.
1858 if test -d ${srcdir}/gcc; then
1859 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
1861 if test "${build}" != "${host}"; then
1862 # On Canadian crosses, CC_FOR_TARGET will have already been set
1863 # by `configure', so we won't have an opportunity to add -Bgcc/
1864 # to it. This is right: we don't want to search that directory
1865 # for binaries, but we want the header files in there, so add
1867 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/gcc/include'
1869 # Someone might think of using the pre-installed headers on
1870 # Canadian crosses, in case the installed compiler is not fully
1871 # compatible with the compiler being built. In this case, it
1872 # would be better to flag an error than risking having
1873 # incompatible object files being constructed. We can't
1874 # guarantee that an error will be flagged, but let's hope the
1875 # compiler will do it, when presented with incompatible header
1880 case "${target}-${is_cross_compiler}" in
1881 i[[3456789]]86-*-linux*-no)
1882 # Here host == target, so we don't need to build gcc,
1883 # so we don't want to discard standard headers.
1884 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
1887 # If we're building newlib, use its generic headers last, but search
1888 # for any libc-related directories first (so make it the last -B
1890 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
1898 # Allow the user to override the flags for
1899 # our build compiler if desired.
1900 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
1902 # On Canadian crosses, we'll be searching the right directories for
1903 # the previously-installed cross compiler, so don't bother to add
1904 # flags for directories within the install tree of the compiler
1905 # being built; programs in there won't even run.
1906 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
1907 # Search for pre-installed headers if nothing else fits.
1908 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
1911 if test "x${use_gnu_ld}" = x &&
1912 echo " ${configdirs} " | grep " ld " > /dev/null ; then
1913 # Arrange for us to find uninstalled linker scripts.
1914 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/ld'
1917 if test "x${CC_FOR_TARGET+set}" = xset; then
1919 elif test -d ${srcdir}/gcc; then
1920 CC_FOR_TARGET='$$r/gcc/xgcc -B$$r/gcc/'
1921 elif test "$host" = "$target"; then
1922 CC_FOR_TARGET='$(CC)'
1924 CC_FOR_TARGET=`echo gcc | sed "${program_transform_name}"`
1926 CC_FOR_TARGET=$CC_FOR_TARGET' $(FLAGS_FOR_TARGET)'
1928 if test "x${GCJ_FOR_TARGET+set}" = xset; then
1930 elif test -d ${srcdir}/gcc; then
1931 GCJ_FOR_TARGET='$$r/gcc/gcj -B$$r/gcc/'
1932 elif test "$host" = "$target"; then
1933 GCJ_FOR_TARGET='gcj'
1935 GCJ_FOR_TARGET=`echo gcj | sed "${program_transform_name}"`
1937 GCJ_FOR_TARGET=$GCJ_FOR_TARGET' $(FLAGS_FOR_TARGET)'
1939 # Don't use libstdc++-v3's flags to configure/build itself.
1940 libstdcxx_flags='`test ! -f $$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$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs'
1941 raw_libstdcxx_flags='-L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs'
1943 if test "x${CXX_FOR_TARGET+set}" = xset; then
1944 if test "x${RAW_CXX_FOR_TARGET+set}" != xset; then
1945 RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
1947 elif test -d ${srcdir}/gcc; then
1948 # We add -shared-libgcc to CXX_FOR_TARGET whenever we use xgcc instead
1949 # of g++ for linking C++ or Java, because g++ has -shared-libgcc by
1950 # default whereas gcc does not.
1951 # RAW_CXX_FOR_TARGET is for linking C++ or java; CXX_FOR_TARGET is for
1953 CXX_FOR_TARGET='$$r/gcc/g++ -B$$r/gcc/ -nostdinc++ '$libstdcxx_flags
1954 RAW_CXX_FOR_TARGET='$$r/gcc/xgcc -shared-libgcc -B$$r/gcc/ -nostdinc++ '$raw_libstdcxx_flags
1955 elif test "$host" = "$target"; then
1956 CXX_FOR_TARGET='$(CXX)'
1957 RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
1959 CXX_FOR_TARGET=`echo c++ | sed "${program_transform_name}"`
1960 RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
1962 CXX_FOR_TARGET=$CXX_FOR_TARGET' $(FLAGS_FOR_TARGET)'
1963 RAW_CXX_FOR_TARGET=$RAW_CXX_FOR_TARGET' $(FLAGS_FOR_TARGET)'
1965 qCXX_FOR_TARGET=`echo "$CXX_FOR_TARGET" | sed 's,[[&%]],\\\&,g'`
1966 qRAW_CXX_FOR_TARGET=`echo "$RAW_CXX_FOR_TARGET" | sed 's,[[&%]],\\\&,g'`
1968 # We want to defer the evaluation of `cmd`s and shell variables in
1969 # CXX_FOR_TARGET when recursing in the top-level Makefile, such as for
1970 # bootstrap. We'll enclose CXX_FOR_TARGET_FOR_RECURSIVE_MAKE in single
1971 # quotes, but we still have to duplicate `$'s so that shell variables
1972 # can be expanded by the nested make as shell variables, not as make
1974 qqCXX_FOR_TARGET=`echo "$qCXX_FOR_TARGET" | sed -e 's,[[$]][[$]],$$$$,g'`
1975 qqRAW_CXX_FOR_TARGET=`echo "$qRAW_CXX_FOR_TARGET" | sed -e 's,[[$]][[$]],$$$$,g'`
1977 # Wrap CC_FOR_TARGET and friends, for certain types of builds.
1978 CC_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${CC_FOR_TARGET}"
1979 GCJ_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${GCJ_FOR_TARGET}"
1980 CXX_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${qCXX_FOR_TARGET}"
1981 RAW_CXX_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${qRAW_CXX_FOR_TARGET}"
1982 CXX_FOR_TARGET_FOR_RECURSIVE_MAKE="\$(STAGE_CC_WRAPPER) ${qqCXX_FOR_TARGET}"
1983 RAW_CXX_FOR_TARGET_FOR_RECURSIVE_MAKE="\$(STAGE_CC_WRAPPER) ${qqRAW_CXX_FOR_TARGET}"
1985 # Makefile fragments.
1986 host_makefile_frag=${srcdir}/${host_makefile_frag}
1987 target_makefile_frag=${srcdir}/${target_makefile_frag}
1988 alphaieee_frag=${srcdir}/${alphaieee_frag}
1989 ospace_frag=${srcdir}/${ospace_frag}
1990 AC_SUBST_FILE(host_makefile_frag)
1991 AC_SUBST_FILE(target_makefile_frag)
1992 AC_SUBST_FILE(alphaieee_frag)
1993 AC_SUBST_FILE(ospace_frag)
1995 # Miscellanea: directories, flags, etc.
1996 AC_SUBST(SET_LIB_PATH)
1997 AC_SUBST(RPATH_ENVVAR)
1998 AC_SUBST(BUILD_PREFIX)
1999 AC_SUBST(BUILD_PREFIX_1)
2000 AC_SUBST(gcc_version_trigger)
2001 AC_SUBST(gcc_version)
2003 AC_SUBST(build_tooldir)
2005 AC_SUBST(gxx_include_dir)
2006 AC_SUBST(libstdcxx_incdir)
2008 # Build module lists & subconfigure args.
2009 AC_SUBST(build_configargs)
2010 AC_SUBST(configure_build_modules)
2011 AC_SUBST(all_build_modules)
2013 # Host module lists & subconfigure args.
2014 AC_SUBST(host_configargs)
2015 AC_SUBST(configdirs)
2017 # Target module lists & subconfigure args.
2018 AC_SUBST(target_configargs)
2019 AC_SUBST(target_configdirs)
2023 AC_SUBST(CC_FOR_BUILD)
2027 AC_SUBST(config_shell)
2030 NCN_STRICT_CHECK_TOOL(AR, ar)
2031 NCN_STRICT_CHECK_TOOL(AS, as)
2032 NCN_STRICT_CHECK_TOOL(DLLTOOL, dlltool)
2033 NCN_STRICT_CHECK_TOOL(LD, ld)
2034 NCN_STRICT_CHECK_TOOL(NM, nm)
2035 NCN_STRICT_CHECK_TOOL(RANLIB, ranlib, :)
2036 NCN_STRICT_CHECK_TOOL(WINDRES, windres)
2037 NCN_STRICT_CHECK_TOOL(OBJCOPY, objcopy)
2038 NCN_STRICT_CHECK_TOOL(OBJDUMP, objdump)
2042 AC_SUBST(CFLAGS_FOR_BUILD)
2044 AC_SUBST(DEFAULT_YACC)
2045 AC_SUBST(DEFAULT_LEX)
2046 AC_SUBST(DEFAULT_M4)
2049 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_AR_FOR_TARGET, ar)
2050 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_AS_FOR_TARGET, as)
2051 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_DLLTOOL_FOR_TARGET, dlltool)
2052 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_LD_FOR_TARGET, ld)
2053 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_NM_FOR_TARGET, nm)
2054 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_RANLIB_FOR_TARGET, ranlib, :)
2055 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_WINDRES_FOR_TARGET, windres)
2057 AC_SUBST(GCC_FOR_TARGET)
2058 AC_SUBST(FLAGS_FOR_TARGET)
2059 AC_SUBST(CC_FOR_TARGET)
2060 AC_SUBST(GCJ_FOR_TARGET)
2061 AC_SUBST(CXX_FOR_TARGET)
2062 AC_SUBST(RAW_CXX_FOR_TARGET)
2063 AC_SUBST(CXX_FOR_TARGET_FOR_RECURSIVE_MAKE)
2064 AC_SUBST(RAW_CXX_FOR_TARGET_FOR_RECURSIVE_MAKE)
2066 # Fix up target tools.
2067 if test "x${build}" = "x${host}" ; then
2068 # In this case, the newly built tools can and should be used,
2069 # so we override the results of the autoconf tests.
2070 # This should really only happen when the tools are actually being built,
2071 # but that's a further refinement. The new build scheme, where
2072 # tools are built into a structure paralleling where they're installed,
2073 # should also eliminate all of this cleanly.
2074 AR_FOR_TARGET="\$(USUAL_AR_FOR_TARGET)"
2075 AS_FOR_TARGET="\$(USUAL_AS_FOR_TARGET)"
2076 DLLTOOL_FOR_TARGET="\$(USUAL_DLLTOOL_FOR_TARGET)"
2077 LD_FOR_TARGET="\$(USUAL_LD_FOR_TARGET)"
2078 NM_FOR_TARGET="\$(USUAL_NM_FOR_TARGET)"
2079 RANLIB_FOR_TARGET="\$(USUAL_RANLIB_FOR_TARGET)"
2080 WINDRES_FOR_TARGET="\$(USUAL_WINDRES_FOR_TARGET)"
2082 # Just use the ones we found.
2083 AR_FOR_TARGET="\$(CONFIGURED_AR_FOR_TARGET)"
2084 AS_FOR_TARGET="\$(CONFIGURED_AS_FOR_TARGET)"
2085 DLLTOOL_FOR_TARGET="\$(CONFIGURED_DLLTOOL_FOR_TARGET)"
2086 LD_FOR_TARGET="\$(CONFIGURED_LD_FOR_TARGET)"
2087 NM_FOR_TARGET="\$(CONFIGURED_NM_FOR_TARGET)"
2088 RANLIB_FOR_TARGET="\$(CONFIGURED_RANLIB_FOR_TARGET)"
2089 WINDRES_FOR_TARGET="\$(CONFIGURED_WINDRES_FOR_TARGET)"
2091 AC_SUBST(AR_FOR_TARGET)
2092 AC_SUBST(AS_FOR_TARGET)
2093 AC_SUBST(DLLTOOL_FOR_TARGET)
2094 AC_SUBST(LD_FOR_TARGET)
2095 AC_SUBST(NM_FOR_TARGET)
2096 AC_SUBST(RANLIB_FOR_TARGET)
2097 AC_SUBST(WINDRES_FOR_TARGET)
2099 # Certain tools may need extra flags.
2100 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
2101 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
2102 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
2104 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
2105 AC_ARG_ENABLE(maintainer-mode,
2106 [ --enable-maintainer-mode enable make rules and dependencies not useful
2107 (and sometimes confusing) to the casual installer],
2108 USE_MAINTAINER_MODE=$enableval,
2109 USE_MAINTAINER_MODE=no)
2110 AC_MSG_RESULT($USE_MAINTAINER_MODE)
2111 AC_SUBST(MAINTAINER_MODE_TRUE)
2112 AC_SUBST(MAINTAINER_MODE_FALSE)
2113 if test "$USE_MAINTAINER_MODE" = yes; then
2114 MAINTAINER_MODE_TRUE=
2115 MAINTAINER_MODE_FALSE='#'
2117 MAINTAINER_MODE_TRUE='#'
2118 MAINTAINER_MODE_FALSE=
2120 MAINT=$MAINTAINER_MODE_TRUE
2123 # ---------------------
2124 # GCC bootstrap support
2125 # ---------------------
2127 # Stage specific cflags for build.
2132 yes) stage1_cflags="-g -Wa,-J" ;;
2133 *) stage1_cflags="-g -J" ;;
2136 # The spiffy cpp-precomp chokes on some legitimate constructs in GCC
2137 # sources; use -no-cpp-precomp to get to GNU cpp.
2138 # Apple's GCC has bugs in designated initializer handling, so disable
2140 stage1_cflags="-g -no-cpp-precomp -DHAVE_DESIGNATED_INITIALIZERS=0"
2143 AC_SUBST(stage1_cflags)
2145 # Enable -Werror in bootstrap stage2 and later.
2146 # Change the default to "no" on release branches.
2147 AC_ARG_ENABLE(werror,
2148 [ --enable-werror enable -Werror in bootstrap stage2 and later], [],
2149 [enable_werror=yes])
2150 case ${enable_werror} in
2151 yes) stage2_werror_flag="--enable-werror-always" ;;
2152 *) stage2_werror_flag="" ;;
2154 AC_SUBST(stage2_werror_flag)