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 ${libgcj}"
646 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
649 # Linking libjava exceeds command-line length limits on at least
650 # IRIX 6.2, but not on IRIX 6.5.
651 # Also, boehm-gc won't build on IRIX 6.5, according to Jeffrey Oldham
652 # <oldham@codesourcery.com>
653 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
656 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
659 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
662 noconfigdirs="$noconfigdirs gprof ${libgcj}" # same as generic mips
665 noconfigdirs="$noconfigdirs target-newlib ${libgcj}"
668 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
671 noconfigdirs="$noconfigdirs gprof ${libgcj}"
674 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes target-libgloss ${libgcj}"
678 i[[3456789]]86-*-vsta) ;; # don't add gprof back in
679 i[[3456789]]86-*-go32*) ;; # don't add gprof back in
680 i[[3456789]]86-*-msdosdjgpp*) ;; # don't add gprof back in
681 *) skipdirs=`echo " ${skipdirs} " | sed -e 's/ gprof / /'` ;;
683 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
686 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
689 noconfigdirs="$noconfigdirs ${libgcj}"
692 noconfigdirs="$noconfigdirs ${libgcj}"
695 noconfigdirs="$noconfigdirs ${libgcj}"
698 noconfigdirs="$noconfigdirs ${libgcj}"
699 if test x${is_cross_compiler} != xno ; then
700 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
705 sparc-*-solaris* | sparc64-*-solaris* | sparcv9-*-solaris*)
708 noconfigdirs="$noconfigdirs bfd binutils gas gcc gdb ld target-libstdc++-v3 opcodes target-libgloss ${libgcj}"
711 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
714 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
717 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
720 noconfigdirs="$noconfigdirs bfd binutils gdb ld target-newlib opcodes target-libgloss ${libgcj}"
723 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
726 noconfigdirs="$noconfigdirs ${libgcj}"
729 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
732 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
735 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
738 noconfigdirs="$noconfigdirs ${libgcj}"
742 # If we aren't building newlib, then don't build libgloss, since libgloss
743 # depends upon some newlib header files.
744 case "${noconfigdirs}" in
745 *target-libgloss*) ;;
746 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
749 # Work in distributions that contain no compiler tools, like Autoconf.
751 host_makefile_frag=/dev/null
752 if test -d ${srcdir}/config ; then
755 # Avoid "too much defining" errors from HPUX compiler.
756 tentative_cc="cc -Wp,-H256000"
757 # If "ar" in $PATH is GNU ar, the symbol table may need rebuilding.
758 # If it's HP/UX ar, this should be harmless.
762 tentative_cc="cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DUSG"
765 #None of the Apollo compilers can compile gas or binutils. The preprocessor
766 # chokes on bfd, the compiler won't let you assign integers to enums, and
767 # other problems. Defining CC to gcc is a questionable way to say "don't use
768 # the apollo compiler" (the preferred version of GCC could be called cc,
769 # or whatever), but I'm not sure leaving CC as cc is any better...
770 #CC=cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DNO_STDARG
771 # Used to have BISON=yacc.
775 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
778 # Under CX/UX, we want to tell the compiler to use ANSI mode.
779 tentative_cc="cc -Xa"
780 host_makefile_frag="config/mh-cxux"
785 tentative_cc="cc -Wf,-XNg1000"
786 host_makefile_frag="config/mh-decstation"
789 # The C compiler on NEC MIPS SVR4 needs bigger tables.
790 tentative_cc="cc -ZXNd=5000 -ZXNg=1000"
791 host_makefile_frag="config/mh-necv4"
794 # Tell compiler to use K&R C. We can't compile under the SGI Ansi
795 # environment. Also bump switch table size so that cp-parse will
796 # compile. Bump string length limit so linker builds.
797 tentative_cc="cc -cckr -Wf,-XNg1500 -Wf,-XNk1000 -Wf,-XNh2000 -Wf,-XNl8192"
800 host_makefile_frag="config/mh-sysv4"
803 # This is for a MIPS running RISC/os 4.52C.
805 # This is needed for GDB, but needs to be in the top-level make because
806 # if a library is compiled with the bsd headers and gets linked with the
807 # sysv system libraries all hell can break loose (e.g. a jmp_buf might be
809 # ptrace(2) apparently has problems in the BSD environment. No workaround is
810 # known except to select the sysv environment. Could we use /proc instead?
811 # These "sysv environments" and "bsd environments" often end up being a pain.
813 # This is not part of CFLAGS because perhaps not all C compilers have this
815 tentative_cc="cc -systype sysv"
820 i[[3456789]]86-*-sysv5*)
821 host_makefile_frag="config/mh-sysv5"
823 i[[3456789]]86-*-dgux*)
824 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
825 host_makefile_frag="config/mh-dgux386"
827 i[[3456789]]86-ncr-sysv4.3*)
828 # The MetaWare compiler will generate a copyright message unless you
829 # turn it off by adding the -Hnocopyr flag.
830 tentative_cc="cc -Hnocopyr"
832 i[[3456789]]86-ncr-sysv4*)
833 # for an NCR 3000 (i486/SVR4) system.
834 # The NCR 3000 ships with a MetaWare compiler installed as /bin/cc.
835 # This compiler not only emits obnoxious copyright messages every time
836 # you run it, but it chokes and dies on a whole bunch of GNU source
837 # files. Default to using the AT&T compiler installed in /usr/ccs/ATT/cc.
838 tentative_cc="/usr/ccs/ATT/cc"
839 host_makefile_frag="config/mh-ncr3000"
841 i[[3456789]]86-*-sco3.2v5*)
843 i[[3456789]]86-*-sco*)
844 # The native C compiler botches some simple uses of const. Unfortunately,
845 # it doesn't defined anything like "__sco__" for us to test for in ansidecl.h.
846 tentative_cc="cc -Dconst="
847 host_makefile_frag="config/mh-sco"
849 i[[3456789]]86-*-udk*)
850 host_makefile_frag="config/mh-sysv5"
852 i[[3456789]]86-*-solaris2*)
853 host_makefile_frag="config/mh-sysv4"
855 i[[3456789]]86-*-msdosdjgpp*)
856 host_makefile_frag="config/mh-djgpp"
859 host_makefile_frag="config/mh-cygwin"
862 host_makefile_frag="config/mh-mingw32"
865 host_makefile_frag="config/mh-interix"
868 # The old BSD pcc isn't up to compiling parts of gdb so use gcc
872 host_makefile_frag="config/mh-solaris"
875 # Sun's C compiler needs the -J flag to be able to compile cp-parse.c
876 # without overflowing the jump tables (-J says to use a 32 bit table)
880 tentative_cc="cc -Wp,-H256000"
883 tentative_cc="cc -Wp,-H256000"
886 # /bin/cc is less than useful for our purposes. Always use GCC
887 tentative_cc="/usr/cygnus/progressive/bin/gcc"
888 host_makefile_frag="config/mh-lynxrs6k"
891 # /bin/cc is less than useful for our purposes. Always use GCC
892 tentative_cc="/bin/gcc"
895 host_makefile_frag="config/mh-sysv4"
900 # If we aren't going to be using gcc, see if we can extract a definition
901 # of CC from the fragment.
902 # Actually, use the 'pre-extracted' version above.
903 if test -z "${CC}" && test "${build}" = "${host}" ; then
904 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
907 test -z "$dir" && dir=.
908 if test -f $dir/gcc; then
914 if test -z "${found}" && test -n "${tentative_cc}" ; then
919 if test "${build}" != "${host}" ; then
920 # If we are doing a Canadian Cross, in which the host and build systems
921 # are not the same, we set reasonable default values for the tools.
924 CC=${CC-${host_alias}-gcc}
925 CFLAGS=${CFLAGS-"-g -O2"}
926 CXX=${CXX-${host_alias}-c++}
927 CXXFLAGS=${CXXFLAGS-"-g -O2"}
928 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
929 CC_FOR_TARGET=${CC_FOR_TARGET-${target_alias}-gcc}
930 CXX_FOR_TARGET=${CXX_FOR_TARGET-${target_alias}-c++}
931 GCJ_FOR_TARGET=${GCJ_FOR_TARGET-${target_alias}-gcj}
932 GCC_FOR_TARGET=${GCC_FOR_TARGET-${CC_FOR_TARGET-${target_alias}-gcc}}
933 BUILD_PREFIX=${build_alias}-
934 BUILD_PREFIX_1=${build_alias}-
935 MAKEINFO=${MAKEINFO-makeinfo}
937 if test -z "${YACC}" ; then
938 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
940 test -z "$dir" && dir=.
941 if test -f $dir/bison; then
945 if test -f $dir/byacc; then
949 if test -f $dir/yacc; then
955 if test -z "${YACC}" ; then
960 if test -z "${LEX}" ; then
961 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
963 test -z "$dir" && dir=.
964 if test -f $dir/flex; then
968 if test -f $dir/lex; then
978 # Set reasonable default values for some tools even if not Canadian.
979 # Of course, these are different reasonable default values, originally
980 # specified directly in the Makefile.
981 # We don't export, so that autoconf can do its job.
982 # Note that all these settings are above the fragment inclusion point
983 # in Makefile.in, so can still be overridden by fragments.
984 # This is all going to change when we autoconfiscate...
986 BISON="\$(USUAL_BISON)"
987 CC_FOR_BUILD="\$(CC)"
988 GCC_FOR_TARGET="\$(USUAL_GCC_FOR_TARGET)"
990 BUILD_PREFIX_1=loser-
991 MAKEINFO="\$(USUAL_MAKEINFO)"
993 YACC="\$(USUAL_YACC)"
995 # If CC is still not set, try to get gcc.
997 if test -z "${CC}" ; then
998 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
1000 test -z "$dir" && dir=.
1001 if test -f $dir/gcc; then
1004 echo 'void f(){}' > conftest.c
1005 if test -z "`${CC} -g -c conftest.c 2>&1`"; then
1006 CFLAGS=${CFLAGS-"-g -O2"}
1007 CXXFLAGS=${CXXFLAGS-"-g -O2"}
1009 CFLAGS=${CFLAGS-"-O2"}
1010 CXXFLAGS=${CXXFLAGS-"-O2"}
1019 # Determine if we are using gcc.
1020 cat > conftest.c <<EOF
1025 if ${CC} -E conftest.c | grep yes >/dev/null 2>&1; then
1029 if test -z "${CFLAGS}"; then
1030 # Here CC is set but CFLAGS is not. Use a quick hack to use -O2 if CC
1031 # is set to a version of gcc.
1032 if test "$cc_prog_is_gcc" = yes; then
1033 echo 'void f(){}' > conftest.c
1034 if test -z "`${CC} -g -c conftest.c 2>&1`"; then
1035 CFLAGS=${CFLAGS-"-g -O2"}
1036 CXXFLAGS=${CXXFLAGS-"-g -O2"}
1038 CFLAGS=${CFLAGS-"-O2"}
1039 CXXFLAGS=${CXXFLAGS-"-O2"}
1046 # We must set the default linker to the linker used by gcc for the correct
1047 # operation of libtool. If LD is not defined and we are using gcc, try to
1048 # set the LD default to the ld used by gcc.
1049 if test -z "$LD"; then
1050 if test "$cc_prog_is_gcc" = yes; then
1053 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1055 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1057 case $gcc_prog_ld in
1058 # Accept absolute paths.
1059 [[\\/]* | [A-Za-z]:[\\/]*)]
1060 LD="$gcc_prog_ld" ;;
1066 CFLAGS=${CFLAGS-"-g"}
1067 CXXFLAGS=${CXXFLAGS-"-g -O2"}
1071 ACX_PROG_CMP_IGNORE_INITIAL
1073 # By default, C is the only stage 1 language.
1075 AC_SUBST(stage1_languages)
1077 # Figure out what language subdirectories are present.
1078 # Look if the user specified --enable-languages="..."; if not, use
1079 # the environment variable $LANGUAGES if defined. $LANGUAGES might
1081 # NB: embedded tabs in this IF block -- do not untabify
1082 if test -d ${srcdir}/gcc; then
1083 if test x"${enable_languages+set}" != xset; then
1084 if test x"${LANGUAGES+set}" = xset; then
1085 enable_languages="${LANGUAGES}"
1086 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1088 enable_languages=all
1091 if test x"${enable_languages}" = x ||
1092 test x"${enable_languages}" = xyes;
1094 echo configure.in: --enable-languages needs at least one language argument 1>&2
1098 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1100 # First scan to see if an enabled language requires some other language.
1101 # We assume that a given config-lang.in will list all the language
1102 # front ends it requires, even if some are required indirectly.
1103 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1104 case ${lang_frag} in
1106 # The odd quoting in the next line works around
1107 # an apparent bug in bash 1.12 on linux.
1108 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1110 # From the config-lang.in, get $language, $lang_requires
1114 for other in ${lang_requires} ; do
1115 case ,${enable_languages}, in
1119 echo " \`$other' language required by \`$language'; enabling" 1>&2
1120 enable_languages="${enable_languages},${other}"
1128 new_enable_languages=c
1129 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
1131 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1132 case ${lang_frag} in
1134 # The odd quoting in the next line works around
1135 # an apparent bug in bash 1.12 on linux.
1136 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1138 # From the config-lang.in, get $language, $target_libs,
1139 # $lang_dirs, $boot_language, and $build_by_default
1146 # This is quite sensitive to the ordering of the case statement arms.
1147 case ,${enable_languages},:${language}:${have_gnat}:${build_by_default} in
1149 echo "${lang_frag} doesn't set \$language." 1>&2
1153 # Ada was requested with no preexisting GNAT. Disable unconditionally.
1156 *,${language},*:*:*:*)
1157 # Language was explicitly selected; include it.
1161 # 'all' was selected, but this is not a default language
1162 # so do not include it.
1166 # 'all' was selected and this is a default language; include it.
1173 case $add_this_lang in
1175 # Remove language-dependent dirs.
1176 eval noconfigdirs='"$noconfigdirs "'\"$target_libs $lang_dirs\"
1179 new_enable_languages="$new_enable_languages,$language"
1180 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
1181 case ${boot_language} in
1183 # Add to (comma-separated) list of stage 1 languages.
1184 stage1_languages="${stage1_languages},${language}"
1193 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
1194 if test "x$missing_languages" != x; then
1196 The following requested languages were not found: ${missing_languages}])
1199 if test "x$new_enable_languages" != "x$enable_languages"; then
1200 echo The following languages will be built: ${new_enable_languages}
1202 enable_languages="$new_enable_languages"
1203 ac_configure_args=`echo " $ac_configure_args" | sed -e 's/ --enable-languages=[[^ ]]*//' -e 's/$/ --enable-languages='"$enable_languages"/ `
1206 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs and
1207 # $target_configdirs.
1208 # If we have the source for $noconfigdirs entries, add them to $notsupp.
1211 for dir in . $skipdirs $noconfigdirs ; do
1212 dirname=`echo $dir | sed -e s/target-//g`
1213 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1214 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
1215 if test -r $srcdir/$dirname/configure ; then
1216 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1219 notsupp="$notsupp $dir"
1223 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1224 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
1225 if test -r $srcdir/$dirname/configure ; then
1226 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1229 notsupp="$notsupp $dir"
1235 # Sometimes the tools are distributed with libiberty but with no other
1236 # libraries. In that case, we don't want to build target-libiberty.
1237 if test -n "${target_configdirs}" ; then
1239 for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do
1240 if test "$i" != "libiberty" ; then
1241 if test -r $srcdir/$i/configure ; then
1247 if test -z "${others}" ; then
1252 # Quietly strip out all directories which aren't configurable in this tree.
1253 # This relies on all configurable subdirectories being autoconfiscated, which
1255 configdirs_all="$configdirs"
1257 for i in ${configdirs_all} ; do
1258 if test -f ${srcdir}/$i/configure ; then
1259 configdirs="${configdirs} $i"
1262 target_configdirs_all="$target_configdirs"
1264 for i in ${target_configdirs_all} ; do
1265 j=`echo $i | sed -e s/target-//g`
1266 if test -f ${srcdir}/$j/configure ; then
1267 target_configdirs="${target_configdirs} $i"
1271 # Produce a warning message for the subdirs we can't configure.
1272 # This isn't especially interesting in the Cygnus tree, but in the individual
1273 # FSF releases, it's important to let people know when their machine isn't
1274 # supported by the one or two programs in a package.
1276 if test -n "${notsupp}" && test -z "${norecursion}" ; then
1277 # If $appdirs is non-empty, at least one of those directories must still
1278 # be configured, or we error out. (E.g., if the gas release supports a
1279 # specified target in some subdirs but not the gas subdir, we shouldn't
1280 # pretend that all is well.)
1281 if test -n "$appdirs" ; then
1282 for dir in $appdirs ; do
1283 if test -r $dir/Makefile.in ; then
1284 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1288 if echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1294 if test -n "$appdirs" ; then
1295 echo "*** This configuration is not supported by this package." 1>&2
1299 # Okay, some application will build, or we don't care to check. Still
1300 # notify of subdirs not getting built.
1301 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
1302 echo " ${notsupp}" 1>&2
1303 echo " (Any other directories should still work fine.)" 1>&2
1313 # Handle --with-headers=XXX. If the value is not "yes", the contents of
1314 # the named directory are copied to $(tooldir)/sys-include.
1315 if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
1316 if test x${is_cross_compiler} = xno ; then
1317 echo 1>&2 '***' --with-headers is only supported when cross compiling
1320 if test x"${with_headers}" != xyes ; then
1321 case "${exec_prefixoption}" in
1323 *) x=${exec_prefix} ;;
1325 copy_dirs="${copy_dirs} ${with_headers} $x/${target_alias}/sys-include"
1329 # Handle --with-libs=XXX. If the value is not "yes", the contents of
1330 # the name directories are copied to $(tooldir)/lib. Multiple directories
1332 if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
1333 if test x${is_cross_compiler} = xno ; then
1334 echo 1>&2 '***' --with-libs is only supported when cross compiling
1337 if test x"${with_libs}" != xyes ; then
1338 # Copy the libraries in reverse order, so that files in the first named
1339 # library override files in subsequent libraries.
1340 case "${exec_prefixoption}" in
1342 *) x=${exec_prefix} ;;
1344 for l in ${with_libs}; do
1345 copy_dirs="$l $x/${target_alias}/lib ${copy_dirs}"
1350 # Handle ${copy_dirs}
1351 set fnord ${copy_dirs}
1353 while test $# != 0 ; do
1354 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
1357 echo Copying $1 to $2
1359 # Use the install script to create the directory and all required
1360 # parent directories.
1361 if test -d $2 ; then
1365 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
1368 # Copy the directory, assuming we have tar.
1369 # FIXME: Should we use B in the second tar? Not all systems support it.
1370 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
1372 # It is the responsibility of the user to correctly adjust all
1373 # symlinks. If somebody can figure out how to handle them correctly
1374 # here, feel free to add the code.
1381 extra_arflags_for_target=
1382 extra_nmflags_for_target=
1383 extra_ranlibflags_for_target=
1384 target_makefile_frag=/dev/null
1386 i[[3456789]]86-*-netware*)
1387 target_makefile_frag="config/mt-netware"
1390 target_makefile_frag="config/mt-netware"
1393 target_makefile_frag="config/mt-linux"
1395 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
1396 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
1397 # commands to handle both 32-bit and 64-bit objects. These flags are
1398 # harmless if we're using GNU nm or ar.
1399 extra_arflags_for_target=" -X32_64"
1400 extra_nmflags_for_target=" -B -X32_64"
1403 # ranlib from Darwin requires the -c flag to look at common symbols.
1404 extra_ranlibflags_for_target=" -c"
1406 mips*-*-pe | sh*-*-pe | *arm-wince-pe)
1407 target_makefile_frag="config/mt-wince"
1411 alphaieee_frag=/dev/null
1414 # This just makes sure to use the -mieee option to build target libs.
1415 # This should probably be set individually by each library.
1416 alphaieee_frag="config/mt-alphaieee"
1420 # If --enable-target-optspace always use -Os instead of -O2 to build
1421 # the target libraries, similarly if it is not specified, use -Os
1422 # on selected platforms.
1423 ospace_frag=/dev/null
1424 case "${enable_target_optspace}:${target}" in
1426 ospace_frag="config/mt-ospace"
1429 ospace_frag="config/mt-d30v"
1431 :m32r-* | :d10v-* | :fr30-*)
1432 ospace_frag="config/mt-ospace"
1437 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
1441 # Set with_gnu_as and with_gnu_ld as appropriate.
1443 # This is done by determining whether or not the appropriate directory
1444 # is available, and by checking whether or not specific configurations
1445 # have requested that this magic not happen.
1447 # The command line options always override the explicit settings in
1448 # configure.in, and the settings in configure.in override this magic.
1450 # If the default for a toolchain is to use GNU as and ld, and you don't
1451 # want to do that, then you should use the --without-gnu-as and
1452 # --without-gnu-ld options for the configure script.
1454 if test x${use_gnu_as} = x &&
1455 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
1457 extra_host_args="$extra_host_args --with-gnu-as"
1460 if test x${use_gnu_ld} = x &&
1461 echo " ${configdirs} " | grep " ld " > /dev/null 2>&1 ; then
1463 extra_host_args="$extra_host_args --with-gnu-ld"
1466 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
1467 # can detect this case.
1469 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
1471 extra_host_args="$extra_host_args --with-newlib"
1475 # Default to using --with-stabs for certain targets.
1476 if test x${with_stabs} = x ; then
1478 mips*-*-irix[[56]]*)
1480 mips*-*-* | alpha*-*-osf*)
1482 extra_host_args="${extra_host_args} --with-stabs"
1487 # hpux11 in 64bit mode has libraries in a weird place. Arrange to find
1488 # them automatically.
1491 extra_host_args="$extra_host_args -x-libraries=/usr/lib/pa20_64 -x-includes=/usr/X11R6/include"
1495 # Some systems (e.g., one of the i386-aix systems the gas testers are
1496 # using) don't handle "\$" correctly, so don't use it here.
1497 tooldir='${exec_prefix}'/${target_alias}
1498 build_tooldir=${tooldir}
1500 # Generate default definitions for YACC, M4, LEX. These are used if the
1501 # Makefile can't locate these programs in objdir.
1502 MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
1503 AC_CHECK_PROGS([DEFAULT_YACC], ['bison -y' byacc yacc], [$MISSING bison])
1504 AC_CHECK_PROGS([DEFAULT_M4], [gm4 gnum4 m4], [$MISSING m4])
1505 AC_CHECK_PROGS([DEFAULT_LEX], [flex lex], [$MISSING flex])
1507 # Create a .gdbinit file which runs the one in srcdir
1508 # and tells GDB to look there for source files.
1510 if test -r ${srcdir}/.gdbinit ; then
1513 *) cat > ./.gdbinit <<EOF
1517 source ${srcdir}/.gdbinit
1523 # Make sure that the compiler is able to generate an executable. If it
1524 # can't, we are probably in trouble. We don't care whether we can run the
1525 # executable--we might be using a cross compiler--we only care whether it
1526 # can be created. At this point the main configure script has set CC.
1528 echo "int main () { return 0; }" > conftest.c
1529 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
1530 if test $? = 0 ; then
1531 if test -s conftest || test -s conftest.exe ; then
1537 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
1538 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
1545 # The Solaris /usr/ucb/cc compiler does not appear to work.
1547 sparc-sun-solaris2*)
1548 CCBASE="`echo ${CC-cc} | sed 's/ .*$//'`"
1549 if test "`type $CCBASE | sed 's/^[[^/]]*//'`" = "/usr/ucb/cc" ; then
1551 test -d /opt/SUNWspro/bin && could_use="/opt/SUNWspro/bin"
1552 if test -d /opt/cygnus/bin ; then
1553 if test "$could_use" = "" ; then
1554 could_use="/opt/cygnus/bin"
1556 could_use="$could_use or /opt/cygnus/bin"
1559 if test "$could_use" = "" ; then
1560 echo "Warning: compilation may fail because you're using"
1561 echo "/usr/ucb/cc. You should change your PATH or CC "
1562 echo "variable and rerun configure."
1564 echo "Warning: compilation may fail because you're using"
1565 echo "/usr/ucb/cc, when you should use the C compiler from"
1566 echo "$could_use. You should change your"
1567 echo "PATH or CC variable and rerun configure."
1573 # If --enable-shared was set, we must set LD_LIBRARY_PATH so that the
1574 # binutils tools will find libbfd.so.
1575 case "${enable_shared}" in
1576 no | "") SET_LIB_PATH= ;;
1577 *) SET_LIB_PATH="\$(REALLY_SET_LIB_PATH)" ;;
1581 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
1582 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
1585 # Record target_configdirs and the configure arguments for target and
1586 # build configuration in Makefile.
1587 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
1589 # This is the final value for target_configdirs. configdirs already
1590 # has its final value, as does build_modules. It's time to create some
1591 # lists of valid targets.
1594 configure_build_modules=
1595 for module in ${build_modules} ; do
1596 all_build_modules=all-build-${module}
1597 configure_build_modules=configure-build-${module}
1600 # Determine whether gdb needs tk/tcl or not.
1601 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
1602 # and in that case we want gdb to be built without tk. Ugh!
1603 # In fact I believe gdb is the *only* package directly dependent on tk,
1604 # so we should be able to put the 'maybe's in unconditionally and
1605 # leave out the maybe dependencies when enable_gdbtk is false. I'm not
1606 # 100% sure that that's safe though.
1608 gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-tix maybe-all-libgui"
1609 case "$enable_gdbtk" in
1613 GDB_TK="${gdb_tk}" ;;
1615 # Only add the dependency on gdbtk when GDBtk is part of the gdb
1616 # distro. Eventually someone will fix this and move Insight, nee
1617 # gdbtk to a separate directory.
1618 if test -d ${srcdir}/gdb/gdbtk ; then
1626 # Create the 'maybe dependencies'. This uses a temporary file.
1628 # While at that, we remove Makefiles if we were started for recursive
1629 # configuration, so that the top-level Makefile reconfigures them,
1630 # like we used to do when configure itself was recursive.
1632 echo '# maybedep.tmp' > maybedep.tmp
1634 # Make-targets which may need maybe dependencies.
1635 mts="configure all install check clean distclean dvi info install-info"
1636 mts="${mts} installcheck mostlyclean maintainer-clean TAGS"
1638 # Loop over modules and make-targets.
1639 for module in ${build_modules} ; do
1640 if test -z "${no_recursion}" \
1641 && test -f ${build_subdir}/${module}/Makefile; then
1642 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
1643 rm -f ${build_subdir}/${module}/Makefile
1645 for mt in ${mts} ; do
1647 install) ;; # No installing build modules.
1648 *) echo "maybe-${mt}-build-${module}: ${mt}-build-${module}" >> maybedep.tmp ;;
1652 for module in ${configdirs} ; do
1653 if test -z "${no_recursion}" \
1654 && test -f ${module}/Makefile; then
1655 echo 1>&2 "*** removing ${module}/Makefile to force reconfigure"
1656 rm -f ${module}/Makefile
1658 for mt in ${mts} ; do
1659 echo "maybe-${mt}-${module}: ${mt}-${module}" >> maybedep.tmp
1662 for module in ${target_configdirs} ; do
1663 if test -z "${no_recursion}" \
1664 && test -f ${target_subdir}/${module}/Makefile; then
1665 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
1666 rm -f ${target_subdir}/${module}/Makefile
1668 for mt in ${mts} ; do
1669 echo "maybe-${mt}-target-${module}: ${mt}-target-${module}" >> maybedep.tmp
1672 maybe_dependencies=maybedep.tmp
1673 AC_SUBST_FILE(maybe_dependencies)
1675 # Create the serialization dependencies. This uses a temporary file.
1677 AC_ARG_ENABLE([serial-configure],
1678 [ --enable-serial-[{host,target,build}-]configure
1679 Force sequential configuration of
1680 sub-packages for the host, target or build
1681 machine, or all sub-packages])
1683 case ${enable_serial_configure} in
1685 enable_serial_build_configure=yes
1686 enable_serial_host_configure=yes
1687 enable_serial_target_configure=yes
1691 # These force 'configure's to be done one at a time, to avoid problems
1692 # with contention over a shared config.cache.
1694 echo '# serdep.tmp' > serdep.tmp
1696 test "x${enable_serial_build_configure}" = xyes &&
1697 for item in ${build_configdirs} ; do
1700 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
1705 test "x${enable_serial_host_configure}" = xyes &&
1706 for item in ${configdirs} ; do
1709 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
1714 test "x${enable_serial_target_configure}" = xyes &&
1715 for item in ${target_configdirs} ; do
1718 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
1722 serialization_dependencies=serdep.tmp
1723 AC_SUBST_FILE(serialization_dependencies)
1725 # Base args. Strip norecursion, cache-file, srcdir, host, build,
1726 # target and nonopt. These are the ones we might not want to pass
1727 # down to subconfigures. Also strip program-prefix, program-suffix,
1728 # and program-transform-name, so that we can pass down a consistent
1729 # program-transform-name. If autoconf has put single quotes around
1730 # any of these arguments (because they contain shell metacharacters)
1731 # then this will fail; in practice this only happens for
1732 # --program-transform-name, so be sure to override --program-transform-name
1733 # at the end of the argument list.
1734 # These will be expanded by make, so quote '$'.
1735 cat <<\EOF_SED > conftestsed
1737 s/ --c[[a-z-]]*[[= ]][[^ ]]*//g
1738 s/ --sr[[a-z-]]*[[= ]][[^ ]]*//g
1739 s/ --ho[[a-z-]]*[[= ]][[^ ]]*//g
1740 s/ --bu[[a-z-]]*[[= ]][[^ ]]*//g
1741 s/ --t[[a-z-]]*[[= ]][[^ ]]*//g
1742 s/ --program-[[pst]][[a-z-]]*[[= ]][[^ ]]*//g
1743 s/ -cache-file[[= ]][[^ ]]*//g
1744 s/ -srcdir[[= ]][[^ ]]*//g
1745 s/ -host[[= ]][[^ ]]*//g
1746 s/ -build[[= ]][[^ ]]*//g
1747 s/ -target[[= ]][[^ ]]*//g
1748 s/ -program-prefix[[= ]][[^ ]]*//g
1749 s/ -program-suffix[[= ]][[^ ]]*//g
1750 s/ -program-transform-name[[= ]][[^ ]]*//g
1751 s/ [[^' -][^ ]*] / /
1755 sed -f conftestsed <<EOF_SED > conftestsed.out
1756 ${ac_configure_args}
1758 baseargs=`cat conftestsed.out`
1759 rm -f conftestsed conftestsed.out
1761 # Add in --program-transform-name, after --program-prefix and
1762 # --program-suffix have been applied to it. Autoconf has already
1763 # doubled dollar signs and backslashes in program_transform_name; we want
1764 # the backslashes un-doubled, and then the entire thing wrapped in single
1765 # quotes, because this will be expanded first by make and then by the shell.
1766 # Also, because we want to override the logic in subdir configure scripts to
1767 # choose program_transform_name, replace any s,x,x, with s,y,y,.
1768 sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
1769 ${program_transform_name}
1771 gcc_transform_name=`cat conftestsed.out`
1772 rm -f conftestsed.out
1773 baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
1775 # For the build-side libraries, we just need to pretend we're native,
1776 # and not use the same cache file. Multilibs are neither needed nor
1778 build_configargs="--cache-file=../config.cache --build=${build_alias} --host=${build_alias} ${baseargs}"
1780 # For host modules, accept cache file option, or specification as blank.
1781 case "${cache_file}" in
1783 cache_file_option="" ;;
1784 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
1785 cache_file_option="--cache-file=${cache_file}" ;;
1787 cache_file_option="--cache-file=../${cache_file}" ;;
1790 # Host dirs don't like to share a cache file either, horribly enough.
1791 # This seems to be due to autoconf 2.5x stupidity.
1792 host_configargs="--cache-file=./config.cache --build=${build_alias} --host=${host_alias} --target=${target_alias} ${extra_host_args} ${baseargs}"
1794 target_configargs=${baseargs}
1796 # Passing a --with-cross-host argument lets the target libraries know
1797 # whether they are being built with a cross-compiler or being built
1798 # native. However, it would be better to use other mechanisms to make the
1799 # sorts of decisions they want to make on this basis. Please consider
1800 # this option to be deprecated. FIXME.
1801 if test x${is_cross_compiler} = xyes ; then
1802 target_configargs="--with-cross-host=${host_alias} ${target_configargs}"
1805 # Default to --enable-multilib.
1806 if test x${enable_multilib} = x ; then
1807 target_configargs="--enable-multilib ${target_configargs}"
1810 # Pass --with-newlib if appropriate. Note that target_configdirs has
1811 # changed from the earlier setting of with_newlib.
1812 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
1813 target_configargs="--with-newlib ${target_configargs}"
1816 # Different target subdirs use different values of certain variables
1817 # (notably CXX). Worse, multilibs use *lots* of different values.
1818 # Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
1819 # it doesn't automatically accept command-line overrides of them.
1820 # This means it's not safe for target subdirs to share a cache file,
1821 # which is disgusting, but there you have it. Hopefully this can be
1822 # fixed in future. It's still worthwhile to use a cache file for each
1823 # directory. I think.
1825 # Pass the appropriate --host, --build, and --cache-file arguments.
1826 target_configargs="--cache-file=./config.cache --host=${target_alias} --build=${build_alias} ${target_configargs}"
1828 # provide a proper gxx_include_dir.
1829 # Note, if you change the default, make sure to fix both here and in
1830 # the gcc and libstdc++-v3 subdirectories.
1831 # Check whether --with-gxx-include-dir or --without-gxx-include-dir was given.
1832 case "${with_gxx_include_dir}" in
1834 AC_MSG_ERROR([--with-gxx-include-dir=[[dir]] requires a directory])
1837 case "${enable_version_specific_runtime_libs}" in
1838 yes) gxx_include_dir='${libsubdir}/include/c++' ;;
1840 . ${srcdir}/config.if
1841 gxx_include_dir='${prefix}/include/'${libstdcxx_incdir} ;;
1843 *) gxx_include_dir=${with_gxx_include_dir} ;;
1847 case " $target_configdirs " in
1849 case " $target_configargs " in
1850 *" --with-newlib "*)
1853 FLAGS_FOR_TARGET=$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' ;;
1856 # If we're not building GCC, don't discard standard headers.
1857 if test -d ${srcdir}/gcc; then
1858 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
1860 if test "${build}" != "${host}"; then
1861 # On Canadian crosses, CC_FOR_TARGET will have already been set
1862 # by `configure', so we won't have an opportunity to add -Bgcc/
1863 # to it. This is right: we don't want to search that directory
1864 # for binaries, but we want the header files in there, so add
1866 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/gcc/include'
1868 # Someone might think of using the pre-installed headers on
1869 # Canadian crosses, in case the installed compiler is not fully
1870 # compatible with the compiler being built. In this case, it
1871 # would be better to flag an error than risking having
1872 # incompatible object files being constructed. We can't
1873 # guarantee that an error will be flagged, but let's hope the
1874 # compiler will do it, when presented with incompatible header
1879 case "${target}-${is_cross_compiler}" in
1880 i[[3456789]]86-*-linux*-no)
1881 # Here host == target, so we don't need to build gcc,
1882 # so we don't want to discard standard headers.
1883 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
1886 # If we're building newlib, use its generic headers last, but search
1887 # for any libc-related directories first (so make it the last -B
1889 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
1897 # Allow the user to override the flags for
1898 # our build compiler if desired.
1899 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
1901 # On Canadian crosses, we'll be searching the right directories for
1902 # the previously-installed cross compiler, so don't bother to add
1903 # flags for directories within the install tree of the compiler
1904 # being built; programs in there won't even run.
1905 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
1906 # Search for pre-installed headers if nothing else fits.
1907 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
1910 if test "x${use_gnu_ld}" = x &&
1911 echo " ${configdirs} " | grep " ld " > /dev/null ; then
1912 # Arrange for us to find uninstalled linker scripts.
1913 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/ld'
1916 if test "x${CC_FOR_TARGET+set}" = xset; then
1918 elif test -d ${srcdir}/gcc; then
1919 CC_FOR_TARGET='$$r/gcc/xgcc -B$$r/gcc/'
1920 elif test "$host" = "$target"; then
1921 CC_FOR_TARGET='$(CC)'
1923 CC_FOR_TARGET=`echo gcc | sed "${program_transform_name}"`
1925 CC_FOR_TARGET=$CC_FOR_TARGET' $(FLAGS_FOR_TARGET)'
1927 if test "x${GCJ_FOR_TARGET+set}" = xset; then
1929 elif test -d ${srcdir}/gcc; then
1930 GCJ_FOR_TARGET='$$r/gcc/gcj -B$$r/gcc/'
1931 elif test "$host" = "$target"; then
1932 GCJ_FOR_TARGET='gcj'
1934 GCJ_FOR_TARGET=`echo gcj | sed "${program_transform_name}"`
1936 GCJ_FOR_TARGET=$GCJ_FOR_TARGET' $(FLAGS_FOR_TARGET)'
1938 # Don't use libstdc++-v3's flags to configure/build itself.
1939 libstdcxx_flags='`test ! -f $$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$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs'
1940 raw_libstdcxx_flags='-L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs'
1942 if test "x${CXX_FOR_TARGET+set}" = xset; then
1943 if test "x${RAW_CXX_FOR_TARGET+set}" != xset; then
1944 RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
1946 elif test -d ${srcdir}/gcc; then
1947 # We add -shared-libgcc to CXX_FOR_TARGET whenever we use xgcc instead
1948 # of g++ for linking C++ or Java, because g++ has -shared-libgcc by
1949 # default whereas gcc does not.
1950 # RAW_CXX_FOR_TARGET is for linking C++ or java; CXX_FOR_TARGET is for
1952 CXX_FOR_TARGET='$$r/gcc/g++ -B$$r/gcc/ -nostdinc++ '$libstdcxx_flags
1953 RAW_CXX_FOR_TARGET='$$r/gcc/xgcc -shared-libgcc -B$$r/gcc/ -nostdinc++ '$raw_libstdcxx_flags
1954 elif test "$host" = "$target"; then
1955 CXX_FOR_TARGET='$(CXX)'
1956 RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
1958 CXX_FOR_TARGET=`echo c++ | sed "${program_transform_name}"`
1959 RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
1961 CXX_FOR_TARGET=$CXX_FOR_TARGET' $(FLAGS_FOR_TARGET)'
1962 RAW_CXX_FOR_TARGET=$RAW_CXX_FOR_TARGET' $(FLAGS_FOR_TARGET)'
1964 qCXX_FOR_TARGET=`echo "$CXX_FOR_TARGET" | sed 's,[[&%]],\\\&,g'`
1965 qRAW_CXX_FOR_TARGET=`echo "$RAW_CXX_FOR_TARGET" | sed 's,[[&%]],\\\&,g'`
1967 # We want to defer the evaluation of `cmd`s and shell variables in
1968 # CXX_FOR_TARGET when recursing in the top-level Makefile, such as for
1969 # bootstrap. We'll enclose CXX_FOR_TARGET_FOR_RECURSIVE_MAKE in single
1970 # quotes, but we still have to duplicate `$'s so that shell variables
1971 # can be expanded by the nested make as shell variables, not as make
1973 qqCXX_FOR_TARGET=`echo "$qCXX_FOR_TARGET" | sed -e 's,[[$]][[$]],$$$$,g'`
1974 qqRAW_CXX_FOR_TARGET=`echo "$qRAW_CXX_FOR_TARGET" | sed -e 's,[[$]][[$]],$$$$,g'`
1976 # Wrap CC_FOR_TARGET and friends, for certain types of builds.
1977 CC_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${CC_FOR_TARGET}"
1978 GCJ_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${GCJ_FOR_TARGET}"
1979 CXX_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${qCXX_FOR_TARGET}"
1980 RAW_CXX_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${qRAW_CXX_FOR_TARGET}"
1981 CXX_FOR_TARGET_FOR_RECURSIVE_MAKE="\$(STAGE_CC_WRAPPER) ${qqCXX_FOR_TARGET}"
1982 RAW_CXX_FOR_TARGET_FOR_RECURSIVE_MAKE="\$(STAGE_CC_WRAPPER) ${qqRAW_CXX_FOR_TARGET}"
1984 # Makefile fragments.
1985 host_makefile_frag=${srcdir}/${host_makefile_frag}
1986 target_makefile_frag=${srcdir}/${target_makefile_frag}
1987 alphaieee_frag=${srcdir}/${alphaieee_frag}
1988 ospace_frag=${srcdir}/${ospace_frag}
1989 AC_SUBST_FILE(host_makefile_frag)
1990 AC_SUBST_FILE(target_makefile_frag)
1991 AC_SUBST_FILE(alphaieee_frag)
1992 AC_SUBST_FILE(ospace_frag)
1994 # Miscellanea: directories, flags, etc.
1995 AC_SUBST(SET_LIB_PATH)
1996 AC_SUBST(RPATH_ENVVAR)
1997 AC_SUBST(BUILD_PREFIX)
1998 AC_SUBST(BUILD_PREFIX_1)
1999 AC_SUBST(gcc_version_trigger)
2000 AC_SUBST(gcc_version)
2002 AC_SUBST(build_tooldir)
2004 AC_SUBST(gxx_include_dir)
2005 AC_SUBST(libstdcxx_incdir)
2007 # Build module lists & subconfigure args.
2008 AC_SUBST(build_configargs)
2009 AC_SUBST(configure_build_modules)
2010 AC_SUBST(all_build_modules)
2012 # Host module lists & subconfigure args.
2013 AC_SUBST(host_configargs)
2014 AC_SUBST(configdirs)
2016 # Target module lists & subconfigure args.
2017 AC_SUBST(target_configargs)
2018 AC_SUBST(target_configdirs)
2022 AC_SUBST(CC_FOR_BUILD)
2026 AC_SUBST(config_shell)
2029 NCN_STRICT_CHECK_TOOL(AR, ar)
2030 NCN_STRICT_CHECK_TOOL(AS, as)
2031 NCN_STRICT_CHECK_TOOL(DLLTOOL, dlltool)
2032 NCN_STRICT_CHECK_TOOL(LD, ld)
2033 NCN_STRICT_CHECK_TOOL(NM, nm)
2034 NCN_STRICT_CHECK_TOOL(RANLIB, ranlib, :)
2035 NCN_STRICT_CHECK_TOOL(WINDRES, windres)
2036 NCN_STRICT_CHECK_TOOL(OBJCOPY, objcopy)
2037 NCN_STRICT_CHECK_TOOL(OBJDUMP, objdump)
2041 AC_SUBST(CFLAGS_FOR_BUILD)
2043 AC_SUBST(DEFAULT_YACC)
2044 AC_SUBST(DEFAULT_LEX)
2045 AC_SUBST(DEFAULT_M4)
2048 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_AR_FOR_TARGET, ar)
2049 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_AS_FOR_TARGET, as)
2050 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_DLLTOOL_FOR_TARGET, dlltool)
2051 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_LD_FOR_TARGET, ld)
2052 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_NM_FOR_TARGET, nm)
2053 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_RANLIB_FOR_TARGET, ranlib, :)
2054 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_WINDRES_FOR_TARGET, windres)
2056 AC_SUBST(GCC_FOR_TARGET)
2057 AC_SUBST(FLAGS_FOR_TARGET)
2058 AC_SUBST(CC_FOR_TARGET)
2059 AC_SUBST(GCJ_FOR_TARGET)
2060 AC_SUBST(CXX_FOR_TARGET)
2061 AC_SUBST(RAW_CXX_FOR_TARGET)
2062 AC_SUBST(CXX_FOR_TARGET_FOR_RECURSIVE_MAKE)
2063 AC_SUBST(RAW_CXX_FOR_TARGET_FOR_RECURSIVE_MAKE)
2065 # Fix up target tools.
2066 if test "x${build}" = "x${host}" ; then
2067 # In this case, the newly built tools can and should be used,
2068 # so we override the results of the autoconf tests.
2069 # This should really only happen when the tools are actually being built,
2070 # but that's a further refinement. The new build scheme, where
2071 # tools are built into a structure paralleling where they're installed,
2072 # should also eliminate all of this cleanly.
2073 AR_FOR_TARGET="\$(USUAL_AR_FOR_TARGET)"
2074 AS_FOR_TARGET="\$(USUAL_AS_FOR_TARGET)"
2075 DLLTOOL_FOR_TARGET="\$(USUAL_DLLTOOL_FOR_TARGET)"
2076 LD_FOR_TARGET="\$(USUAL_LD_FOR_TARGET)"
2077 NM_FOR_TARGET="\$(USUAL_NM_FOR_TARGET)"
2078 RANLIB_FOR_TARGET="\$(USUAL_RANLIB_FOR_TARGET)"
2079 WINDRES_FOR_TARGET="\$(USUAL_WINDRES_FOR_TARGET)"
2081 # Just use the ones we found.
2082 AR_FOR_TARGET="\$(CONFIGURED_AR_FOR_TARGET)"
2083 AS_FOR_TARGET="\$(CONFIGURED_AS_FOR_TARGET)"
2084 DLLTOOL_FOR_TARGET="\$(CONFIGURED_DLLTOOL_FOR_TARGET)"
2085 LD_FOR_TARGET="\$(CONFIGURED_LD_FOR_TARGET)"
2086 NM_FOR_TARGET="\$(CONFIGURED_NM_FOR_TARGET)"
2087 RANLIB_FOR_TARGET="\$(CONFIGURED_RANLIB_FOR_TARGET)"
2088 WINDRES_FOR_TARGET="\$(CONFIGURED_WINDRES_FOR_TARGET)"
2090 AC_SUBST(AR_FOR_TARGET)
2091 AC_SUBST(AS_FOR_TARGET)
2092 AC_SUBST(DLLTOOL_FOR_TARGET)
2093 AC_SUBST(LD_FOR_TARGET)
2094 AC_SUBST(NM_FOR_TARGET)
2095 AC_SUBST(RANLIB_FOR_TARGET)
2096 AC_SUBST(WINDRES_FOR_TARGET)
2098 # Certain tools may need extra flags.
2099 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
2100 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
2101 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
2103 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
2104 AC_ARG_ENABLE(maintainer-mode,
2105 [ --enable-maintainer-mode enable make rules and dependencies not useful
2106 (and sometimes confusing) to the casual installer],
2107 USE_MAINTAINER_MODE=$enableval,
2108 USE_MAINTAINER_MODE=no)
2109 AC_MSG_RESULT($USE_MAINTAINER_MODE)
2110 AC_SUBST(MAINTAINER_MODE_TRUE)
2111 AC_SUBST(MAINTAINER_MODE_FALSE)
2112 if test "$USE_MAINTAINER_MODE" = yes; then
2113 MAINTAINER_MODE_TRUE=
2114 MAINTAINER_MODE_FALSE='#'
2116 MAINTAINER_MODE_TRUE='#'
2117 MAINTAINER_MODE_FALSE=
2119 MAINT=$MAINTAINER_MODE_TRUE
2122 # ---------------------
2123 # GCC bootstrap support
2124 # ---------------------
2126 # Stage specific cflags for build.
2131 yes) stage1_cflags="-g -Wa,-J" ;;
2132 *) stage1_cflags="-g -J" ;;
2135 # The spiffy cpp-precomp chokes on some legitimate constructs in GCC
2136 # sources; use -no-cpp-precomp to get to GNU cpp.
2137 # Apple's GCC has bugs in designated initializer handling, so disable
2139 stage1_cflags="-g -no-cpp-precomp -DHAVE_DESIGNATED_INITIALIZERS=0"
2142 AC_SUBST(stage1_cflags)
2144 # Enable -Werror in bootstrap stage2 and later.
2145 # Change the default to "no" on release branches.
2146 AC_ARG_ENABLE(werror,
2147 [ --enable-werror enable -Werror in bootstrap stage2 and later], [],
2148 [enable_werror=yes])
2149 case ${enable_werror} in
2150 yes) stage2_werror_flag="--enable-werror-always" ;;
2151 *) stage2_werror_flag="" ;;
2153 AC_SUBST(stage2_werror_flag)