1 # Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998,
2 # 1999, 2000, 2001, 2002 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)
25 sinclude(config/acx.m4)
27 # clear some things potentially inherited from environment.
31 enable_libstdcxx_v3=yes
32 floating_point=default
36 ### we might need to use some other shell than /bin/sh for running subshells
37 ### If we are on Windows, search for the shell. This will permit people
38 ### to not have /bin/sh, but to be able to see /SOME/PATH/sh configure
39 ### without also having to set CONFIG_SHELL. This code will work when
40 ### using bash, which sets OSTYPE.
43 if test x${CONFIG_SHELL} = x ; then
44 if test ! -f /bin/sh ; then
45 if test x${SHELL} != x && test -f ${SHELL} ; then
49 for prog in sh sh.exe bash bash.exe; do
50 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
52 test -z "$dir" && dir=.
53 if test -f $dir/$prog; then
54 CONFIG_SHELL=$dir/$prog
60 test -n "${CONFIG_SHELL}" && break
68 config_shell=${CONFIG_SHELL-/bin/sh}
70 ## this is a little touchy and won't always work, but...
72 ## if the argv[[0]] starts with a slash then it is an absolute name that can (and
73 ## must) be used as is.
75 ## otherwise, if argv[[0]] has no slash in it, we can assume that it is on the
76 ## path. Since PATH might include "." we also add `pwd` to the end of PATH.
80 # if PWD already has a value, it is probably wrong.
81 if test -n "$PWD" ; then PWD=`${PWDCMD-pwd}`; fi
83 # Export original configure arguments for use by sub-configures.
84 TOPLEVEL_CONFIGURE_ARGUMENTS="$progname $@"
85 export TOPLEVEL_CONFIGURE_ARGUMENTS
87 moveifchange=${srcdir}/move-if-change
89 # Set srcdir to "." if that's what it is.
90 # This is important for multilib support.
92 srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}`
93 if test "${pwd}" = "${srcpwd}" ; then
100 # Define the trigger file to make sure configure will re-run whenever
101 # the gcc version number changes.
102 if test "${with_gcc_version_trigger+set}" = set ; then
103 gcc_version_trigger="$with_gcc_version_trigger"
104 gcc_version=`grep version_string ${with_gcc_version_trigger} | sed -e 's/.*\"\([[^ \"]]*\)[[ \"]].*/\1/'`
106 # If gcc's sources are available, define the trigger file.
107 if test -f ${topsrcdir}/gcc/version.c ; then
108 gcc_version_trigger=${topsrcdir}/gcc/version.c
109 gcc_version=`grep version_string ${gcc_version_trigger} | sed -e 's/.*\"\([[^ \"]]*\)[[ \"]].*/\1/'`
110 case "$ac_configure_args" in
111 *--with-gcc-version-trigger=$gcc_version_trigger* )
114 # Add to all subconfigure arguments: build, host, and target.
115 ac_configure_args="$ac_configure_args --with-gcc-version-trigger=$gcc_version_trigger"
121 ### To add a new directory to the tree, first choose whether it is a target
122 ### or a host dependent tool. Then put it into the appropriate list
123 ### (library or tools, host or target), doing a dependency sort.
125 # Subdirs will be configured in the order listed in build_configdirs,
126 # configdirs, or target_configdirs; see the serialization section below.
128 # Dependency sorting is only needed when *configuration* must be done in
129 # a particular order. In all cases a dependency should be specified in
130 # the Makefile, whether or not it's implicitly specified here.
132 # Double entries in build_configdirs, configdirs, or target_configdirs may
133 # cause circular dependencies and break everything horribly.
135 # these libraries are used by various programs built for the host environment
137 host_libs="intl mmalloc libiberty opcodes bfd readline db tcl tk itcl tix libgui zlib"
139 libstdcxx_version="target-libstdc++-v3"
141 # these tools are built for the host environment
142 # Note, the powerpc-eabi build depends on sim occurring before gdb in order to
143 # know that we are building the simulator.
144 # binutils, gas and ld appear in that order because it makes sense to run
145 # "make check" in that particular order.
146 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 grep diff rcs fileutils shellutils time textutils wdiff find uudecode hello tar gzip indent recode release sed utils guile perl gawk findutils snavigator gettext zip fastjar"
148 # libgcj represents the runtime libraries only used by gcj.
149 libgcj="target-libffi \
155 # these libraries are built for the target environment, and are built after
156 # the host libraries and the host tools (which may be a cross compiler)
158 target_libs="target-libiberty \
161 ${libstdcxx_version} \
166 # these tools are built using the target libs, and are intended to run only
167 # in the target environment
169 # note: any program that *uses* libraries that are in the "target_libs"
170 # list belongs in this list. those programs are also very likely
171 # candidates for the "native_only" list which follows
173 target_tools="target-examples target-groff target-gperf target-rda"
175 ################################################################################
177 ## All tools belong in one of the four categories, and are assigned above
178 ## We assign ${configdirs} this way to remove all embedded newlines. This
179 ## is important because configure will choke if they ever get through.
180 ## ${configdirs} is directories we build using the host tools.
181 ## ${target_configdirs} is directories we build using the target tools.
183 configdirs=`echo ${host_libs} ${host_tools}`
184 target_configdirs=`echo ${target_libs} ${target_tools}`
186 ################################################################################
188 srcname="gnu development package"
190 # This gets set non-empty for some net releases of packages.
193 # Define is_cross_compiler to save on calls to 'test'.
195 if test x"${host}" = x"${target}" ; then
198 is_cross_compiler=yes
201 # We always want to use the same name for this directory, so that dejagnu
202 # can reliably find it.
203 target_subdir=${target_alias}
205 if test ! -d ${target_subdir} ; then
206 if mkdir ${target_subdir} ; then true
208 echo "'*** could not make ${PWD=`${PWDCMD-pwd}`}/${target_subdir}" 1>&2
214 build_subdir=${build_prefix}${build_alias}
216 if test x"${build_alias}" != x"${host}" ; then
217 if test ! -d ${build_subdir} ; then
218 if mkdir ${build_subdir} ; then true
220 echo "'*** could not make ${PWD=`${PWDCMD-pwd}`}/${build_subdir}" 1>&2
226 # Skipdirs are removed silently.
228 # Noconfigdirs are removed loudly.
232 # Make sure we don't let GNU ld be added if we didn't want it.
233 if test x$with_gnu_ld = xno ; then
235 noconfigdirs="$noconfigdirs ld"
239 # Make sure we don't let GNU as be added if we didn't want it.
240 if test x$with_gnu_as = xno ; then
242 noconfigdirs="$noconfigdirs gas"
245 # some tools are so dependent upon X11 that if we're not building with X,
246 # it's not even worth trying to configure, much less build, that tool.
249 yes | "") ;; # the default value for this tree is that X11 is available
251 skipdirs="${skipdirs} tk tix itcl libgui"
252 # We won't be able to build gdbtk without X.
255 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
258 # Some tools are only suitable for building in a "native" situation.
259 # Remove these if host!=target.
260 native_only="autoconf automake libtool fileutils find gawk gettext grep gzip hello indent m4 rcs recode sed shellutils tar textutils uudecode wdiff gprof target-groff guile perl time ash bash bzip2 prms snavigator gnuserv target-gperf"
262 # Similarly, some are only suitable for cross toolchains.
263 # Remove these if host=target.
264 cross_only="target-libgloss target-newlib target-opcodes"
266 case $is_cross_compiler in
267 no) skipdirs="${skipdirs} ${cross_only}" ;;
268 yes) skipdirs="${skipdirs} ${native_only}" ;;
271 # If both --with-headers and --with-libs are specified, default to
273 if test x"${with_headers}" != x && test x"${with_libs}" != x ; then
274 if test x"${with_newlib}" = x ; then
279 # Recognize --with-newlib/--without-newlib.
280 case ${with_newlib} in
281 no) skipdirs="${skipdirs} target-newlib" ;;
282 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
285 # Configure extra directories which are host specific
289 configdirs="$configdirs libtermcap" ;;
292 # Remove more programs from consideration, based on the host or
293 # target this usually means that a port of the program doesn't
298 noconfigdirs="$noconfigdirs byacc"
301 noconfigdirs="tcl expect dejagnu make texinfo bison patch flex byacc send-pr gprof uudecode dejagnu diff guile perl itcl tix db snavigator gnuserv gettext"
303 i[[3456]]86-*-go32* | i[[3456]]86-*-msdosdjgpp*)
304 noconfigdirs="tcl tk expect dejagnu send-pr uudecode guile itcl tix db snavigator gnuserv libffi"
306 i[[3456]]86-*-mingw32*)
307 # noconfigdirs="tcl tk expect dejagnu make texinfo bison patch flex byacc send-pr uudecode dejagnu diff guile perl itcl tix db snavigator gnuserv"
308 noconfigdirs="expect dejagnu autoconf automake send-pr rcs guile perl texinfo libtool"
311 noconfigdirs="$noconfigdirs tk itcl tix libgui gdb"
314 noconfigdirs="autoconf automake send-pr rcs guile perl"
320 noconfigdirs="patch diff make tk tcl expect dejagnu autoconf automake texinfo bison send-pr gprof rcs guile perl itcl tix db snavigator gnuserv"
323 noconfigdirs="$noconfigdirs tk itcl tix libgui gdb dejagnu readline"
326 noconfigdirs="$noconfigdirs tk itcl tix libgui"
330 # Save it here so that, even in case of --enable-libgcj, if the Java
331 # front-end isn't enabled, we still get libgcj disabled.
333 case $enable_libgcj in
335 # If we reset it here, it won't get added to noconfigdirs in the
336 # target-specific build rules, so it will be forcibly enabled
337 # (unless the Java language itself isn't enabled).
341 # Make sure we get it printed in the list of not supported target libs.
342 noconfigdirs="$noconfigdirs ${libgcj}"
348 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
350 *-*-freebsd[[12]] | *-*-freebsd[[12]].* | *-*-freebsd*aout*)
351 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
354 # Skip some stuff on all NetBSD configurations.
355 noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss"
357 # Skip some stuff that's unsupported on some NetBSD configurations.
359 i*86-*-netbsdelf*) ;;
361 noconfigdirs="$noconfigdirs ${libgcj}"
366 noconfigdirs="$noconfigdirs ${libstdcxx_version} target-newlib target-libiberty target-libgloss ${libgcj}"
369 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
371 h8300*-*-* | h8500-*-*)
372 noconfigdirs="$noconfigdirs target-libf2c"
378 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
381 # ld works, but does not support shared libraries.
382 # newlib is not 64 bit ready. I'm not sure about fileutils.
383 # gas doesn't generate exception information.
384 noconfigdirs="$noconfigdirs gas ld fileutils target-newlib target-libgloss"
387 noconfigdirs="$noconfigdirs gdb ld target-newlib target-libgloss ${libgcj}"
390 # newlib is not 64 bit ready
391 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
394 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
397 # newlib is not 64 bit ready
398 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
401 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
403 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
404 noconfigdirs="$noconfigdirs ${libgcj}"
405 noconfigdirs="$noconfigdirs target-examples"
406 noconfigdirs="$noconfigdirs target-libiberty texinfo send-pr"
407 noconfigdirs="$noconfigdirs tcl tix tk itcl libgui sim"
408 noconfigdirs="$noconfigdirs expect dejagnu"
409 # the C++ libraries don't build on top of CE's C libraries
410 noconfigdirs="$noconfigdirs ${libstdcxx_version}"
411 noconfigdirs="$noconfigdirs target-newlib"
413 *-*-cygwin*) ;; # keep gdb and readline
414 *) noconfigdirs="$noconfigdirs gdb readline ${libstdcxx_version}"
419 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
421 arm-*-coff | strongarm-*-coff | xscale-*-coff)
422 noconfigdirs="$noconfigdirs ${libgcj}"
424 arm-*-elf* | strongarm-*-elf* | xscale-*-elf*)
425 noconfigdirs="$noconfigdirs target-libffi target-qthreads"
428 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
431 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
434 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
437 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
440 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
443 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
446 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
449 noconfigdirs="$noconfigdirs target-libiberty ${libstdcxx_version} ${libgcj}"
452 noconfigdirs="$noconfigdirs ${libstdcxx_version} target-libgloss ${libgcj}"
454 c54x*-*-* | tic54x-*-*)
455 noconfigdirs="$noconfigdirs ${libstdcxx_version} target-libgloss ${libgcj} gcc gdb newlib"
458 noconfigdirs="$noconfigdirs ${libgcj}"
461 noconfigdirs="$noconfigdirs ${libstdcxx_version} target-libgloss ${libgcj}"
464 noconfigdirs="$noconfigdirs ${libgcj}"
467 noconfigdirs="$noconfigdirs ${libgcj}"
470 noconfigdirs="$noconfigdirs ${libgcj}"
473 noconfigdirs="$noconfigdirs target-libgloss"
476 noconfigdirs="$noconfigdirs ${libstdcxx_version} target-libgloss ${libgcj} target-libf2c"
478 hppa*64*-*-linux* | parisc*64*-*-linux*)
479 # In this case, it's because the hppa64-linux target is for
480 # the kernel only at this point and has no libc, and thus no
481 # headers, crt*.o, etc., all of which are needed by these.
482 noconfigdirs="$noconfigdirs target-zlib"
485 parisc*-*-linux* | hppa*-*-linux* | \
489 noconfigdirs="$noconfigdirs ${libgcj}"
490 # Do configure ld/binutils/gas for this case.
493 # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
494 # build on HP-UX 10.20.
495 noconfigdirs="$noconfigdirs ld shellutils ${libgcj}"
498 # No gdb support yet.
499 noconfigdirs="$noconfigdirs tix readline mmalloc libgui itcl gdb"
502 # No gdb or ld support yet.
503 noconfigdirs="$noconfigdirs tix readline mmalloc libgui itcl gdb ld"
505 i[[3456]]86-*-coff | i[[3456]]86-*-elf)
506 noconfigdirs="$noconfigdirs ${libgcj}"
508 i[[34567]]86-*-freebsd*)
509 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
511 i[[3456]]86-*-linux*)
512 # The GCC port for glibc1 has no MD_FALLBACK_FRAME_STATE_FOR, so let's
513 # not build java stuff by default.
516 noconfigdirs="$noconfigdirs ${libgcj}";;
519 # This section makes it possible to build newlib natively on linux.
520 # If we are using a cross compiler then don't configure newlib.
521 if test x${is_cross_compiler} != xno ; then
522 noconfigdirs="$noconfigdirs target-newlib"
524 noconfigdirs="$noconfigdirs target-libgloss"
525 # If we are not using a cross compiler, do configure newlib.
526 # Note however, that newlib will only be configured in this situation
527 # if the --with-newlib option has been given, because otherwise
528 # 'target-newlib' will appear in skipdirs.
530 i[[3456]]86-*-mingw32*)
531 target_configdirs="$target_configdirs target-mingw"
532 noconfigdirs="$noconfigdirs expect target-libgloss ${libgcj}"
534 # Can't build gdb for mingw32 if not native.
536 i[[3456]]86-*-mingw32) ;; # keep gdb tcl tk expect etc.
537 *) noconfigdirs="$noconfigdirs gdb tcl tk expect itcl tix db snavigator gnuserv"
542 target_configdirs="$target_configdirs target-libtermcap target-winsup"
543 noconfigdirs="$noconfigdirs target-gperf target-libgloss ${libgcj}"
544 # always build newlib.
545 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
547 # Can't build gdb for Cygwin if not native.
549 *-*-cygwin*) ;; # keep gdb tcl tk expect etc.
550 *) noconfigdirs="$noconfigdirs gdb tcl tk expect itcl tix libgui db snavigator gnuserv"
555 noconfigdirs="$noconfigdirs ${libstdcxx_version} target-libgloss ${libgcj}"
557 i[[3456]]86-*-sco3.2v5*)
558 # The linker does not yet know about weak symbols in COFF,
559 # and is not configured to handle mixed ELF and COFF.
560 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
563 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
565 i[[3456]]86-*-solaris2*)
566 noconfigdirs="$noconfigdirs target-libgloss"
568 i[[3456]]86-*-sysv4*)
569 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
572 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
574 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
575 noconfigdirs="$noconfigdirs target-libiberty ${libstdcxx_version} ${libgcj}"
578 noconfigdirs="$noconfigdirs ${libgcj}"
581 noconfigdirs="$noconfigdirs ${libgcj}"
584 # The EPOC C++ environment does not support exceptions or rtti,
585 # and so building libstdc++-v3 tends not to always work.
586 noconfigdirs="$noconfigdirs target-libstdc++-v3"
589 noconfigdirs="$noconfigdirs ${libgcj} gdb libgloss"
592 noconfigdirs="$noconfigdirs ${libgcj}"
595 noconfigdirs="$noconfigdirs ${libgcj}"
598 # copied from rs6000-*-* entry
599 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
601 powerpc*-*-winnt* | powerpc*-*-pe* | ppc*-*-pe)
602 target_configdirs="$target_configdirs target-winsup"
603 noconfigdirs="$noconfigdirs gdb tcl tk make expect target-libgloss itcl tix db snavigator gnuserv ${libgcj}"
604 # always build newlib.
605 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
607 # This is temporary until we can link against shared libraries
608 powerpcle-*-solaris*)
609 noconfigdirs="$noconfigdirs gdb sim make tcl tk expect itcl tix db snavigator gnuserv ${libgcj}"
612 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
615 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes gdb gprof ${libgcj}"
618 noconfigdirs="$noconfigdirs ${libgcj}"
621 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
623 noconfigdirs="$noconfigdirs target-libffi"
626 noconfigdirs="$noconfigdirs target-newlib gprof ${libgcj}"
629 noconfigdirs="$noconfigdirs gprof ${libgcj}"
632 noconfigdirs="$noconfigdirs gprof ${libgcj}"
635 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss ${libgcj}"
638 # The GNU linker does not support shared libraries.
639 noconfigdirs="$noconfigdirs ld gprof target-libgloss ${libgcj}"
642 # The GNU assembler does not support IRIX 6.
643 # Linking libjava exceeds command-line length limits on at least
644 # IRIX 6.2, but not on IRIX 6.5.
645 # Also, boehm-gc won't build on IRIX 6.5, according to Jeffrey Oldham
646 # <oldham@codesourcery.com>
647 noconfigdirs="$noconfigdirs gas gprof target-libgloss ${libgcj}"
650 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
653 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
656 noconfigdirs="$noconfigdirs gprof ${libgcj}" # same as generic mips
659 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
662 noconfigdirs="$noconfigdirs gprof ${libgcj}"
665 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes target-libgloss ${libgcj}"
669 i[[3456]]86-*-vsta) ;; # don't add gprof back in
670 i[[3456]]86-*-go32*) ;; # don't add gprof back in
671 i[[3456]]86-*-msdosdjgpp*) ;; # don't add gprof back in
672 *) skipdirs=`echo " ${skipdirs} " | sed -e 's/ gprof / /'` ;;
674 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
677 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
680 noconfigdirs="$noconfigdirs ${libgcj}"
683 noconfigdirs="$noconfigdirs ${libgcj}"
686 noconfigdirs="$noconfigdirs ${libgcj}"
689 noconfigdirs="$noconfigdirs ${libgcj}"
690 if test x${is_cross_compiler} != xno ; then
691 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
696 sparc-*-solaris* | sparc64-*-solaris* | sparcv9-*-solaris*)
699 noconfigdirs="$noconfigdirs bfd binutils gas gcc gdb ld ${libstdcxx_version} opcodes target-libgloss ${libgcj}"
702 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
705 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
708 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
711 noconfigdirs="$noconfigdirs bfd binutils gdb ld target-newlib opcodes target-libgloss ${libgcj}"
714 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
717 noconfigdirs="$noconfigdirs target-libiberty ${libstdcxx_version} ${libgcj}"
720 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
723 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
726 noconfigdirs="$noconfigdirs ${libgcj}"
730 # If we aren't building newlib, then don't build libgloss, since libgloss
731 # depends upon some newlib header files.
732 case "${noconfigdirs}" in
733 *target-libgloss*) ;;
734 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
737 # Figure out what language subdirectories are present.
738 # Look if the user specified --enable-languages="..."; if not, use
739 # the environment variable $LANGUAGES if defined. $LANGUAGES might
741 # NB: embedded tabs in this IF block -- do not untabify
742 if test x"${enable_languages+set}" != xset; then
743 if test x"${LANGUAGES+set}" = xset; then
744 enable_languages="${LANGUAGES}"
745 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
750 if test x"${enable_languages}" = x ||
751 test x"${enable_languages}" = xyes;
753 echo configure.in: --enable-languages needs at least one language argument 1>&2
757 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
759 # First scan to see if an enabled language requires some other language.
760 # We assume that a given config-lang.in will list all the language
761 # front ends it requires, even if some are required indirectly.
762 for lang in ${srcdir}/gcc/*/config-lang.in ..
767 # The odd quoting in the next line works around
768 # an apparent bug in bash 1.12 on linux.
769 ${srcdir}/gcc/[[*]]/config-lang.in)
772 lang_alias=`sed -n -e 's,^language=[['"'"'"'"]]\(.*\)[["'"'"'"']].*$,\1,p' -e 's,^language=\([[^ ]]*\).*$,\1,p' $lang`
773 this_lang_requires=`sed -n -e 's,^lang_requires=[['"'"'"'"]]\(.*\)[["'"'"'"']].*$,\1,p' -e 's,^lang_requires=\([[^ ]]*\).*$,\1,p' $lang`
774 for other in $this_lang_requires
776 case ,${enable_languages}, in
782 echo " \`$other' language required by \`$lang_alias'; enabling" 1>&2
783 enable_languages="$enable_languages,$other"
792 for lang in ${srcdir}/gcc/*/config-lang.in ..
796 # The odd quoting in the next line works around
797 # an apparent bug in bash 1.12 on linux.
798 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
800 lang_alias=`sed -n -e 's,^language=[['"'"'"'"]]\(.*\)[["'"'"'"']].*$,\1,p' -e 's,^language=\([[^ ]]*\).*$,\1,p' $lang`
801 this_lang_libs=`sed -n -e 's,^target_libs=[['"'"'"'"]]\(.*\)[["'"'"'"']].*$,\1,p' -e 's,^target_libs=\([[^ ]]*\).*$,\1,p' $lang`
802 this_lang_dirs=`sed -n -e 's,^lang_dirs=[['"'"'"'"]]\(.*\)[["'"'"'"']].*$,\1,p' -e 's,^lang_dirs=\([[^ ]]*\).*$,\1,p' $lang`
803 build_by_default=`sed -n -e 's,^build_by_default=[['"'"'"'"]]\(.*\)[["'"'"'"']].*$,\1,p' -e 's,^build_by_default=\([[^ ]]*\).*$,\1,p' $lang`
804 if test "x$lang_alias" = x
806 echo "$lang doesn't set \$language." 1>&2
809 case ${build_by_default},${enable_languages}, in
810 *,$lang_alias,*) add_this_lang=yes ;;
811 no,*) add_this_lang=no ;;
812 *,all,*) add_this_lang=yes ;;
813 *) add_this_lang=no ;;
815 if test x"${add_this_lang}" = xyes; then
816 eval target_libs='"$target_libs "'\"$this_lang_libs\"
818 eval noconfigdirs='"$noconfigdirs "'\"$this_lang_libs $this_lang_dirs\"
824 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs and
825 # $target_configdirs.
826 # If we have the source for $noconfigdirs entries, add them to $notsupp.
829 for dir in . $skipdirs $noconfigdirs ; do
830 dirname=`echo $dir | sed -e s/target-//g`
831 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
832 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
833 if test -r $srcdir/$dirname/configure ; then
834 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
837 notsupp="$notsupp $dir"
841 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
842 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
843 if test -r $srcdir/$dirname/configure ; then
844 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
847 notsupp="$notsupp $dir"
853 # Sometimes the tools are distributed with libiberty but with no other
854 # libraries. In that case, we don't want to build target-libiberty.
855 if test -n "${target_configdirs}" ; then
857 for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do
858 if test "$i" != "libiberty" ; then
859 if test -r $srcdir/$i/configure ; then
865 if test -z "${others}" ; then
870 # Deconfigure all subdirectories, in case we are changing the
871 # configuration from one where a subdirectory is supported to one where it
873 if test -z "${norecursion}" && test -n "${configdirs}" ; then
874 for i in `echo ${configdirs} | sed -e s/target-//g` ; do
878 if test -z "${norecursion}" && test -n "${target_configdirs}" ; then
879 for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do
880 rm -f ${target_subdir}/$i/Makefile
884 # Quietly strip out all directories which aren't configurable in this tree.
885 # This relies on all configurable subdirectories being autoconfiscated, which
887 configdirs_all="$configdirs"
889 for i in ${configdirs_all} ; do
890 if test -f ${srcdir}/$i/configure ; then
891 configdirs="${configdirs} $i"
894 target_configdirs_all="$target_configdirs"
896 for i in ${target_configdirs_all} ; do
897 j=`echo $i | sed -e s/target-//g`
898 if test -f ${srcdir}/$j/configure ; then
899 target_configdirs="${target_configdirs} $i"
903 # Produce a warning message for the subdirs we can't configure.
904 # This isn't especially interesting in the Cygnus tree, but in the individual
905 # FSF releases, it's important to let people know when their machine isn't
906 # supported by the one or two programs in a package.
908 if test -n "${notsupp}" && test -z "${norecursion}" ; then
909 # If $appdirs is non-empty, at least one of those directories must still
910 # be configured, or we error out. (E.g., if the gas release supports a
911 # specified target in some subdirs but not the gas subdir, we shouldn't
912 # pretend that all is well.)
913 if test -n "$appdirs" ; then
914 for dir in $appdirs ; do
915 if test -r $dir/Makefile.in ; then
916 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
920 if echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
926 if test -n "$appdirs" ; then
927 echo "*** This configuration is not supported by this package." 1>&2
931 # Okay, some application will build, or we don't care to check. Still
932 # notify of subdirs not getting built.
933 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
934 echo " ${notsupp}" 1>&2
935 echo " (Any other directories should still work fine.)" 1>&2
945 # Handle --with-headers=XXX. If the value is not "yes", the contents of
946 # the named directory are copied to $(tooldir)/sys-include.
947 if test x"${with_headers}" != x ; then
948 if test x${is_cross_compiler} = xno ; then
949 echo 1>&2 '***' --with-headers is only supported when cross compiling
952 if test x"${with_headers}" != xyes ; then
953 case "${exec_prefixoption}" in
955 *) x=${exec_prefix} ;;
957 copy_dirs="${copy_dirs} ${with_headers} $x/${target_alias}/sys-include"
961 # Handle --with-libs=XXX. If the value is not "yes", the contents of
962 # the name directories are copied to $(tooldir)/lib. Multiple directories
964 if test x"${with_libs}" != x ; then
965 if test x${is_cross_compiler} = xno ; then
966 echo 1>&2 '***' --with-libs is only supported when cross compiling
969 if test x"${with_libs}" != xyes ; then
970 # Copy the libraries in reverse order, so that files in the first named
971 # library override files in subsequent libraries.
972 case "${exec_prefixoption}" in
974 *) x=${exec_prefix} ;;
976 for l in ${with_libs}; do
977 copy_dirs="$l $x/${target_alias}/lib ${copy_dirs}"
982 # Handle ${copy_dirs}
983 set fnord ${copy_dirs}
985 while test $# != 0 ; do
986 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
989 echo Copying $1 to $2
991 # Use the install script to create the directory and all required
992 # parent directories.
997 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
1000 # Copy the directory, assuming we have tar.
1001 # FIXME: Should we use B in the second tar? Not all systems support it.
1002 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
1004 # It is the responsibility of the user to correctly adjust all
1005 # symlinks. If somebody can figure out how to handle them correctly
1006 # here, feel free to add the code.
1013 # Work in distributions that contain no compiler tools, like Autoconf.
1015 host_makefile_frag=/dev/null
1016 if test -d ${srcdir}/config ; then
1019 # Avoid "too much defining" errors from HPUX compiler.
1020 tentative_cc="cc -Wp,-H256000"
1021 # If "ar" in $PATH is GNU ar, the symbol table may need rebuilding.
1022 # If it's HP/UX ar, this should be harmless.
1026 tentative_cc="cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DUSG"
1029 #None of the Apollo compilers can compile gas or binutils. The preprocessor
1030 # chokes on bfd, the compiler won't let you assign integers to enums, and
1031 # other problems. Defining CC to gcc is a questionable way to say "don't use
1032 # the apollo compiler" (the preferred version of GCC could be called cc,
1033 # or whatever), but I'm not sure leaving CC as cc is any better...
1034 #CC=cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DNO_STDARG
1035 # Used to have BISON=yacc.
1039 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
1040 host_makefile_frag="config/mh-dgux"
1043 # Under CX/UX, we want to tell the compiler to use ANSI mode.
1044 tentative_cc="cc -Xa"
1045 host_makefile_frag="config/mh-cxux"
1047 m88k-motorola-sysv*)
1050 tentative_cc="cc -Wf,-XNg1000"
1051 host_makefile_frag="config/mh-decstation"
1054 # The C compiler on NEC MIPS SVR4 needs bigger tables.
1055 tentative_cc="cc -ZXNd=5000 -ZXNg=1000"
1056 host_makefile_frag="config/mh-necv4"
1059 # Tell compiler to use K&R C. We can't compile under the SGI Ansi
1060 # environment. Also bump switch table size so that cp-parse will
1061 # compile. Bump string length limit so linker builds.
1062 tentative_cc="cc -cckr -Wf,-XNg1500 -Wf,-XNk1000 -Wf,-XNh2000 -Wf,-XNl8192"
1065 host_makefile_frag="config/mh-sysv4"
1068 # This is for a MIPS running RISC/os 4.52C.
1070 # This is needed for GDB, but needs to be in the top-level make because
1071 # if a library is compiled with the bsd headers and gets linked with the
1072 # sysv system libraries all hell can break loose (e.g. a jmp_buf might be
1073 # a different size).
1074 # ptrace(2) apparently has problems in the BSD environment. No workaround is
1075 # known except to select the sysv environment. Could we use /proc instead?
1076 # These "sysv environments" and "bsd environments" often end up being a pain.
1078 # This is not part of CFLAGS because perhaps not all C compilers have this
1080 tentative_cc="cc -systype sysv"
1085 i[[3456]]86-*-sysv5*)
1086 host_makefile_frag="config/mh-sysv5"
1088 i[[3456]]86-*-dgux*)
1089 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
1090 host_makefile_frag="config/mh-dgux386"
1092 i[[3456]]86-ncr-sysv4.3*)
1093 # The MetaWare compiler will generate a copyright message unless you
1094 # turn it off by adding the -Hnocopyr flag.
1095 tentative_cc="cc -Hnocopyr"
1097 i[[3456]]86-ncr-sysv4*)
1098 # for an NCR 3000 (i486/SVR4) system.
1099 # The NCR 3000 ships with a MetaWare compiler installed as /bin/cc.
1100 # This compiler not only emits obnoxious copyright messages every time
1101 # you run it, but it chokes and dies on a whole bunch of GNU source
1102 # files. Default to using the AT&T compiler installed in /usr/ccs/ATT/cc.
1103 tentative_cc="/usr/ccs/ATT/cc"
1104 host_makefile_frag="config/mh-ncr3000"
1106 i[[3456]]86-*-sco3.2v5*)
1109 # The native C compiler botches some simple uses of const. Unfortunately,
1110 # it doesn't defined anything like "__sco__" for us to test for in ansidecl.h.
1111 tentative_cc="cc -Dconst="
1112 host_makefile_frag="config/mh-sco"
1115 host_makefile_frag="config/mh-sysv5"
1117 i[[3456]]86-*-solaris2*)
1118 host_makefile_frag="config/mh-sysv4"
1120 i[[3456]]86-*-msdosdjgpp*)
1121 host_makefile_frag="config/mh-djgpp"
1124 host_makefile_frag="config/mh-cygwin"
1127 host_makefile_frag="config/mh-mingw32"
1130 host_makefile_frag="config/mh-interix"
1133 # The old BSD pcc isn't up to compiling parts of gdb so use gcc
1137 host_makefile_frag="config/mh-solaris"
1140 # Sun's C compiler needs the -J flag to be able to compile cp-parse.c
1141 # without overflowing the jump tables (-J says to use a 32 bit table)
1142 tentative_cc="cc -J"
1145 tentative_cc="cc -Wp,-H256000"
1148 tentative_cc="cc -Wp,-H256000"
1151 # /bin/cc is less than useful for our purposes. Always use GCC
1152 tentative_cc="/usr/cygnus/progressive/bin/gcc"
1153 host_makefile_frag="config/mh-lynxrs6k"
1156 # /bin/cc is less than useful for our purposes. Always use GCC
1157 tentative_cc="/bin/gcc"
1160 host_makefile_frag="config/mh-sysv4"
1165 extra_arflags_for_target=
1166 extra_nmflags_for_target=
1167 extra_ranlibflags_for_target=
1168 target_makefile_frag=/dev/null
1170 i[[3456]]86-*-netware*)
1171 target_makefile_frag="config/mt-netware"
1174 target_makefile_frag="config/mt-netware"
1177 target_makefile_frag="config/mt-linux"
1179 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
1180 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
1181 # commands to handle both 32-bit and 64-bit objects. These flags are
1182 # harmless if we're using GNU nm or ar.
1183 extra_arflags_for_target=" -X32_64"
1184 extra_nmflags_for_target=" -B -X32_64"
1187 # ranlib from Darwin requires the -c flag to look at common symbols.
1188 extra_ranlibflags_for_target=" -c"
1190 mips*-*-pe | sh*-*-pe | *arm-wince-pe)
1191 target_makefile_frag="config/mt-wince"
1195 alphaieee_frag=/dev/null
1198 # This just makes sure to use the -mieee option to build target libs.
1199 # This should probably be set individually by each library.
1200 alphaieee_frag="config/mt-alphaieee"
1204 # If --enable-target-optspace always use -Os instead of -O2 to build
1205 # the target libraries, similarly if it is not specified, use -Os
1206 # on selected platforms.
1207 ospace_frag=/dev/null
1208 case "${enable_target_optspace}:${target}" in
1210 ospace_frag="config/mt-ospace"
1213 ospace_frag="config/mt-d30v"
1215 :m32r-* | :d10v-* | :fr30-*)
1216 ospace_frag="config/mt-ospace"
1221 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
1225 # Set with_gnu_as and with_gnu_ld as appropriate.
1227 # This is done by determining whether or not the appropriate directory
1228 # is available, and by checking whether or not specific configurations
1229 # have requested that this magic not happen.
1231 # The command line options always override the explicit settings in
1232 # configure.in, and the settings in configure.in override this magic.
1234 # If the default for a toolchain is to use GNU as and ld, and you don't
1235 # want to do that, then you should use the --without-gnu-as and
1236 # --without-gnu-ld options for the configure script.
1238 if test x${use_gnu_as} = x &&
1239 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
1241 extra_host_args="$extra_host_args --with-gnu-as"
1244 if test x${use_gnu_ld} = x &&
1245 echo " ${configdirs} " | grep " ld " > /dev/null 2>&1 ; then
1247 extra_host_args="$extra_host_args --with-gnu-ld"
1250 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
1251 # can detect this case.
1253 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
1255 extra_host_args="$extra_host_args --with-newlib"
1258 # We default to --with-shared on platforms where -fpic is meaningless.
1259 # Well, we don't yet, but we will.
1260 if false && test "${host}" = "${target}" && test x${enable_shared} = x ; then
1262 alpha*-dec-osf*) enable_shared=yes ;;
1263 alpha*-*-linux*) enable_shared=yes ;;
1264 mips-sgi-irix5*) enable_shared=yes ;;
1265 *) enable_shared=no ;;
1269 case "${enable_shared}" in
1277 # Default to using --with-stabs for certain targets.
1278 if test x${with_stabs} = x ; then
1282 extra_host_args="${extra_host_args} --with-stabs"
1286 mips*-*-* | alpha*-*-osf*)
1288 extra_host_args="${extra_host_args} --with-stabs"
1293 # hpux11 in 64bit mode has libraries in a weird place. Arrange to find
1294 # them automatically.
1297 extra_host_args="$extra_host_args -x-libraries=/usr/lib/pa20_64 -x-includes=/usr/X11R6/include"
1301 # If we aren't going to be using gcc, see if we can extract a definition
1302 # of CC from the fragment.
1303 # Actually, use the 'pre-extracted' version above.
1304 if test -z "${CC}" && test "${build}" = "${host}" ; then
1305 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
1307 for dir in $PATH; do
1308 test -z "$dir" && dir=.
1309 if test -f $dir/gcc; then
1315 if test -z "${found}" && test -n "${tentative_cc}" ; then
1320 # Some systems (e.g., one of the i386-aix systems the gas testers are
1321 # using) don't handle "\$" correctly, so don't use it here.
1322 tooldir='$(exec_prefix)'/${target_alias}
1323 build_tooldir=${tooldir}
1325 # Generate a default definition for YACC. This is used if the makefile can't
1326 # locate bison or byacc in objdir.
1328 for prog in 'bison -y' byacc yacc
1330 set dummy $prog; tmp=$2
1331 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
1332 for dir in $PATH; do
1333 test -z "$dir" && dir=.
1334 if test -f $dir/$tmp; then
1335 DEFAULT_YACC="$prog"
1341 test -n "$DEFAULT_YACC" && break
1344 # Generate a default definition for M4. This is used if the makefile can't
1345 # locate m4 in objdir.
1347 for prog in gm4 gnum4 m4
1349 set dummy $prog; tmp=$2
1350 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
1351 for dir in $PATH; do
1352 test -z "$dir" && dir=.
1353 if test -f $dir/$tmp; then
1360 test -n "$DEFAULT_M4" && break
1363 # Generate a default definition for LEX. This is used if the makefile can't
1364 # locate flex in objdir.
1366 for prog in flex lex
1368 set dummy $prog; tmp=$2
1369 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
1370 for dir in $PATH; do
1371 test -z "$dir" && dir=.
1372 if test -f $dir/$tmp; then
1379 test -n "$DEFAULT_LEX" && break
1382 if test "${build}" != "${host}" ; then
1383 # If we are doing a Canadian Cross, in which the host and build systems
1384 # are not the same, we set reasonable default values for the tools.
1386 BISON=${BISON-bison}
1387 CC=${CC-${host_alias}-gcc}
1388 CFLAGS=${CFLAGS-"-g -O2"}
1389 CXX=${CXX-${host_alias}-c++}
1390 CXXFLAGS=${CXXFLAGS-"-g -O2"}
1391 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
1392 CC_FOR_TARGET=${CC_FOR_TARGET-${target_alias}-gcc}
1393 CXX_FOR_TARGET=${CXX_FOR_TARGET-${target_alias}-c++}
1394 GCJ_FOR_TARGET=${GCJ_FOR_TARGET-${target_alias}-gcj}
1395 GCC_FOR_TARGET=${GCC_FOR_TARGET-${CC_FOR_TARGET-${target_alias}-gcc}}
1396 BUILD_PREFIX=${build_alias}-
1397 BUILD_PREFIX_1=${build_alias}-
1398 MAKEINFO=${MAKEINFO-makeinfo}
1400 if test -z "${YACC}" ; then
1401 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
1402 for dir in $PATH; do
1403 test -z "$dir" && dir=.
1404 if test -f $dir/bison; then
1408 if test -f $dir/byacc; then
1412 if test -f $dir/yacc; then
1418 if test -z "${YACC}" ; then
1423 if test -z "${LEX}" ; then
1424 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
1425 for dir in $PATH; do
1426 test -z "$dir" && dir=.
1427 if test -f $dir/flex; then
1431 if test -f $dir/lex; then
1441 # Set reasonable default values for some tools even if not Canadian.
1442 # Of course, these are different reasonable default values, originally
1443 # specified directly in the Makefile.
1444 # We don't export, so that autoconf can do its job.
1445 # Note that all these settings are above the fragment inclusion point
1446 # in Makefile.in, so can still be overridden by fragments.
1447 # This is all going to change when we autoconfiscate...
1449 BISON="\$(USUAL_BISON)"
1450 CC_FOR_BUILD="\$(CC)"
1451 GCC_FOR_TARGET="\$(USUAL_GCC_FOR_TARGET)"
1453 BUILD_PREFIX_1=loser-
1454 MAKEINFO="\$(USUAL_MAKEINFO)"
1456 YACC="\$(USUAL_YACC)"
1458 # If CC is still not set, try to get gcc.
1460 if test -z "${CC}" ; then
1461 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
1462 for dir in $PATH; do
1463 test -z "$dir" && dir=.
1464 if test -f $dir/gcc; then
1467 echo 'void f(){}' > conftest.c
1468 if test -z "`${CC} -g -c conftest.c 2>&1`"; then
1469 CFLAGS=${CFLAGS-"-g -O2"}
1470 CXXFLAGS=${CXXFLAGS-"-g -O2"}
1472 CFLAGS=${CFLAGS-"-O2"}
1473 CXXFLAGS=${CXXFLAGS-"-O2"}
1482 # Determine if we are using gcc.
1483 cat > conftest.c <<EOF
1488 if ${CC} -E conftest.c | grep yes >/dev/null 2>&1; then
1492 if test -z "${CFLAGS}"; then
1493 # Here CC is set but CFLAGS is not. Use a quick hack to use -O2 if CC
1494 # is set to a version of gcc.
1495 if test "$cc_prog_is_gcc" = yes; then
1496 echo 'void f(){}' > conftest.c
1497 if test -z "`${CC} -g -c conftest.c 2>&1`"; then
1498 CFLAGS=${CFLAGS-"-g -O2"}
1499 CXXFLAGS=${CXXFLAGS-"-g -O2"}
1501 CFLAGS=${CFLAGS-"-O2"}
1502 CXXFLAGS=${CXXFLAGS-"-O2"}
1509 # We must set the default linker to the linker used by gcc for the correct
1510 # operation of libtool. If LD is not defined and we are using gcc, try to
1511 # set the LD default to the ld used by gcc.
1512 if test -z "$LD"; then
1513 if test "$cc_prog_is_gcc" = yes; then
1516 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1518 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1520 case $gcc_prog_ld in
1521 # Accept absolute paths.
1522 [[\\/]* | [A-Za-z]:[\\/]*)]
1523 LD="$gcc_prog_ld" ;;
1529 CFLAGS=${CFLAGS-"-g"}
1530 CXXFLAGS=${CXXFLAGS-"-g -O2"}
1533 # FIXME Should this be done recursively ??? (Useful for e.g. gdbtest)
1534 # Set up the list of links to be made.
1535 # ${links} is the list of link names, and ${files} is the list of names to link to.
1538 configlinks="${links}"
1539 if test -r ./config.status ; then
1540 mv -f ./config.status ./config.back
1542 while test -n "${files}" ; do
1543 # set file to car of files, files to cdr of files
1544 set ${files}; file=$1; shift; files=$*
1545 set ${links}; link=$1; shift; links=$*
1547 if test ! -r ${srcdir}/${file} ; then
1548 if test ! -r ${file} ; then
1549 echo '***' "${progname}: cannot create a link \"${link}\"," 1>&2
1550 echo '***' "since the file \"${srcdir}/${file}\" does not exist." 1>&2
1556 srcfile=${srcdir}/${file}
1559 ${remove} -f ${link}
1560 # Make a symlink if possible, otherwise try a hard link
1561 if ${symbolic_link} ${srcfile} ${link} >/dev/null 2>&1 ; then
1564 # We need to re-remove the file because Lynx leaves a
1565 # very strange directory there when it fails an NFS symlink.
1566 ${remove} -r -f ${link}
1567 ${hard_link} ${srcfile} ${link}
1569 if test ! -r ${link} ; then
1570 echo '***' "${progname}: unable to link \"${link}\" to \"${srcfile}\"." 1>&2
1574 echo "Linked \"${link}\" to \"${srcfile}\"."
1577 # Create a .gdbinit file which runs the one in srcdir
1578 # and tells GDB to look there for source files.
1580 if test -r ${srcdir}/.gdbinit ; then
1583 *) cat > ./.gdbinit <<EOF
1587 source ${srcdir}/.gdbinit
1593 # record if we want runtime library stuff installed in libsubdir.
1595 if test -z "${enable_version_specific_runtime_libs}"; then
1596 enable_version_specific_runtime_libs=no
1599 # Make sure that the compiler is able to generate an executable. If it
1600 # can't, we are probably in trouble. We don't care whether we can run the
1601 # executable--we might be using a cross compiler--we only care whether it
1602 # can be created. At this point the main configure script has set CC.
1604 echo "int main () { return 0; }" > conftest.c
1605 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
1606 if test $? = 0 ; then
1607 if test -s conftest || test -s conftest.exe ; then
1613 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
1614 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
1621 # The Solaris /usr/ucb/cc compiler does not appear to work.
1623 sparc-sun-solaris2*)
1624 CCBASE="`echo ${CC-cc} | sed 's/ .*$//'`"
1625 if test "`type $CCBASE | sed 's/^[[^/]]*//'`" = "/usr/ucb/cc" ; then
1627 test -d /opt/SUNWspro/bin && could_use="/opt/SUNWspro/bin"
1628 if test -d /opt/cygnus/bin ; then
1629 if test "$could_use" = "" ; then
1630 could_use="/opt/cygnus/bin"
1632 could_use="$could_use or /opt/cygnus/bin"
1635 if test "$could_use" = "" ; then
1636 echo "Warning: compilation may fail because you're using"
1637 echo "/usr/ucb/cc. You should change your PATH or CC "
1638 echo "variable and rerun configure."
1640 echo "Warning: compilation may fail because you're using"
1641 echo "/usr/ucb/cc, when you should use the C compiler from"
1642 echo "$could_use. You should change your"
1643 echo "PATH or CC variable and rerun configure."
1649 # If --enable-shared was set, we must set LD_LIBRARY_PATH so that the
1650 # binutils tools will find libbfd.so.
1651 if test "${shared}" = "yes" ; then
1652 SET_LIB_PATH="\$(REALLY_SET_LIB_PATH)"
1659 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
1660 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
1663 # Record target_configdirs and the configure arguments for target and
1664 # build configuration in Makefile.
1665 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
1667 # This is the final value for target_configdirs. configdirs already
1668 # has its final value. It's time to create some lists of valid targets.
1671 configure_build_modules=
1672 # Only make build modules if build != host.
1673 # This should be done more generally, but at the moment it doesn't matter.
1674 if test ${host_alias} != ${build_alias} ; then
1675 all_build_modules=all-build-libiberty
1676 configure_build_modules=configure-build-libiberty
1681 install_host_modules=
1682 configure_host_modules=
1683 for module in ${configdirs} ; do
1684 all_host_modules="${all_host_modules} all-${module}"
1685 check_host_modules="${check_host_modules} check-${module}"
1686 install_host_modules="${install_host_modules} install-${module}"
1687 configure_host_modules="${configure_host_modules} configure-${module}"
1689 install_host_modules_nogcc=`echo "${install_host_modules}" | sed -e 's/install-gcc//g'`
1692 check_target_modules=
1693 install_target_modules=
1694 configure_target_modules=
1695 for module in ${target_configdirs} ; do
1696 all_target_modules="${all_target_modules} all-target-${module}"
1697 check_target_modules="${check_target_modules} check-target-${module}"
1698 install_target_modules="${install_target_modules} install-target-${module}"
1699 configure_target_modules="${configure_target_modules} configure-target-${module}"
1702 # Determine whether gdb needs tk/tcl or not.
1703 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
1704 # and in that case we want gdb to be built without tk. Ugh!
1705 # In fact I believe gdb is the *only* package directly dependent on tk,
1706 # so we should be able to put the 'maybe's in unconditionally and
1707 # leave out the maybe dependencies when enable_gdbtk is false. I'm not
1708 # 100% sure that that's safe though.
1709 case "$enable_gdbtk" in
1713 GDB_TK="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-tix maybe-all-libgui" ;;
1716 # Create the 'maybe dependencies'. This uses a temporary file.
1718 echo '# maybedep.tmp' > maybedep.tmp
1719 for item in ${all_build_modules} ${all_host_modules} ${all_target_modules} \
1720 ${install_host_modules} ${install_target_modules} \
1721 ${configure_build_modules} ${configure_host_modules} ${configure_target_modules} \
1723 echo "maybe-${item}: ${item}" >> maybedep.tmp
1725 maybe_dependencies=maybedep.tmp
1726 AC_SUBST_FILE(maybe_dependencies)
1728 # Create the serialization dependencies. This uses a temporary file.
1730 AC_ARG_ENABLE([serial-configure],
1731 [ --disable-serial-[{host,target,build}-]configure
1732 Don't force sequential configuration of
1733 sub-packages for the host, target or build
1734 machine, or of any sub-packages at all])
1736 # These force 'configure's to be done one at a time, to avoid problems
1737 # with contention over a shared config.cache.
1739 echo '# serdep.tmp' > serdep.tmp
1741 test "x${enable_serial_configure}" = xno ||
1742 test "x${enable_serial_build_configure}" = xno ||
1743 for item in ${build_configdirs} ; do
1746 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
1751 test "x${enable_serial_configure}" = xno ||
1752 test "x${enable_serial_host_configure}" = xno ||
1753 for item in ${configdirs} ; do
1756 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
1761 test "x${enable_serial_configure}" = xno ||
1762 test "x${enable_serial_target_configure}" = xno ||
1763 for item in ${target_configdirs} ; do
1766 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
1770 serialization_dependencies=serdep.tmp
1771 AC_SUBST_FILE(serialization_dependencies)
1773 # Base args. Strip norecursion, cache-file, srcdir, host, build,
1774 # target and nonopt. These are the ones we might not want to pass
1775 # down to subconfigures.
1776 baseargs=`echo " ${ac_configure_args} " | \
1777 sed -e 's/ --no[[^ ]]* / /' \
1778 -e 's/ --cache[[a-z-]]*=[[^ ]]* / /' \
1779 -e 's/ --sr[[a-z-]]*=[[^ ]]* / /' \
1780 -e 's/ --ho[[a-z-]]*=[[^ ]]* / /' \
1781 -e 's/ --bu[[a-z-]]*=[[^ ]]* / /' \
1782 -e 's/ --ta[[a-z-]]*=[[^ ]]* / /' \
1783 -e 's/ [[^ -][^ ]*] / /' \
1784 -e 's/^ *//;s/ *$//'`
1786 # For the build-side libraries, we just need to pretend we're native,
1787 # and not use the same cache file. Multilibs are neither needed nor
1789 build_configargs="--cache-file=../config.cache --build=${build_alias} --host=${build_alias} ${baseargs}"
1791 # For host modules, accept cache file option, or specification as blank.
1792 case "${cache_file}" in
1794 cache_file_option="" ;;
1795 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
1796 cache_file_option="--cache-file=${cache_file}" ;;
1798 cache_file_option="--cache-file=../${cache_file}" ;;
1801 host_configargs="${cache_file_option} --build=${build_alias} --host=${host_alias} --target=${target_alias} ${extra_host_args} ${baseargs}"
1803 target_configargs=${baseargs}
1805 # Passing a --with-cross-host argument lets the target libraries know
1806 # whether they are being built with a cross-compiler or being built
1807 # native. However, it would be better to use other mechanisms to make the
1808 # sorts of decisions they want to make on this basis. Please consider
1809 # this option to be deprecated. FIXME.
1810 if test x${is_cross_compiler} = xyes ; then
1811 target_configargs="--with-cross-host=${host_alias} ${target_configargs}"
1814 # Default to --enable-multilib.
1815 if test x${enable_multilib} = x ; then
1816 target_configargs="--enable-multilib ${target_configargs}"
1819 # Pass --with-newlib if appropriate. Note that target_configdirs has
1820 # changed from the earlier setting of with_newlib.
1821 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
1822 target_configargs="--with-newlib ${target_configargs}"
1825 # Pass the appropriate --host, --build, and --cache-file arguments.
1826 target_configargs="--cache-file=../config.cache --host=${target_alias} --build=${build_alias} ${target_configargs}"
1828 # provide a proper gxx_include_dir.
1829 # Note, if you change the default, make sure to fix both here and in
1830 # the gcc and libstdc++-v3 subdirectories.
1831 # Check whether --with-gxx-include-dir or --without-gxx-include-dir was given.
1833 if test -n "${with_gxx_include_dir}"; then
1834 case "${with_gxx_include_dir}" in
1836 echo "configure.in: error: bad value ${withval} given for g++ include directory" 1>&2
1842 gxx_include_dir=${with_gxx_include_dir}
1846 if test x${gxx_include_dir} = x; then
1847 if test x${enable_version_specific_runtime_libs} = xyes; then
1848 gxx_include_dir='${libsubdir}/include/c++'
1850 . ${srcdir}/config.if
1851 gxx_include_dir='${prefix}/include/${libstdcxx_incdir}'
1854 gxx_include_dir=${gxx_include_dir}
1858 case " $target_configdirs " in
1860 case " $target_configargs " in
1861 *" --with-newlib "*)
1864 FLAGS_FOR_TARGET=$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 -isystem $$s/newlib/libc/sys/cygwin -isystem $$s/newlib/libc/sys/cygwin32' ;;
1867 # If we're not building GCC, don't discard standard headers.
1868 if test -d ${srcdir}/gcc; then
1869 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
1871 if test "${build}" != "${host}"; then
1872 # On Canadian crosses, CC_FOR_TARGET will have already been set
1873 # by `configure', so we won't have an opportunity to add -Bgcc/
1874 # to it. This is right: we don't want to search that directory
1875 # for binaries, but we want the header files in there, so add
1877 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/gcc/include'
1879 # Someone might think of using the pre-installed headers on
1880 # Canadian crosses, in case the installed compiler is not fully
1881 # compatible with the compiler being built. In this case, it
1882 # would be better to flag an error than risking having
1883 # incompatible object files being constructed. We can't
1884 # guarantee that an error will be flagged, but let's hope the
1885 # compiler will do it, when presented with incompatible header
1890 case "${target}-${is_cross_compiler}" in
1891 i[[3456]]86-*-linux*-no)
1892 # Here host == target, so we don't need to build gcc,
1893 # so we don't want to discard standard headers.
1894 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
1897 # If we're building newlib, use its generic headers last, but search
1898 # for any libc-related directories first (so make it the last -B
1900 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
1908 # On Canadian crosses, we'll be searching the right directories for
1909 # the previously-installed cross compiler, so don't bother to add
1910 # flags for directories within the install tree of the compiler
1911 # being built; programs in there won't even run.
1912 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
1913 # Search for pre-installed headers if nothing else fits.
1914 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include'
1917 if test "x${use_gnu_ld}" = x &&
1918 echo " ${configdirs} " | grep " ld " > /dev/null ; then
1919 # Arrange for us to find uninstalled linker scripts.
1920 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/ld'
1923 if test "x${CC_FOR_TARGET+set}" = xset; then
1925 elif test -d ${srcdir}/gcc; then
1926 CC_FOR_TARGET='$$r/gcc/xgcc -B$$r/gcc/'
1927 elif test "$host" = "$target"; then
1928 CC_FOR_TARGET='$(CC)'
1930 CC_FOR_TARGET=`echo gcc | sed "${program_transform_name}"`
1932 CC_FOR_TARGET=$CC_FOR_TARGET' $(FLAGS_FOR_TARGET)'
1934 if test "x${GCJ_FOR_TARGET+set}" = xset; then
1936 elif test -d ${srcdir}/gcc; then
1937 GCJ_FOR_TARGET='$$r/gcc/gcj -B$$r/gcc/'
1938 elif test "$host" = "$target"; then
1939 GCJ_FOR_TARGET='gcj'
1941 GCJ_FOR_TARGET=`echo gcj | sed "${program_transform_name}"`
1943 GCJ_FOR_TARGET=$GCJ_FOR_TARGET' $(FLAGS_FOR_TARGET)'
1945 # Don't use libstdc++-v3's flags to configure/build itself.
1946 libstdcxx_flags='`test ! -f $$r/$(TARGET_SUBDIR)/libstdc++-v3/testsuite_flags || $(SHELL) $$r/$(TARGET_SUBDIR)/libstdc++-v3/testsuite_flags --build-includes` -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs'
1947 raw_libstdcxx_flags=' -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs'
1949 if test "x${CXX_FOR_TARGET+set}" = xset; then
1951 elif test -d ${srcdir}/gcc; then
1952 # We add -shared-libgcc to CXX_FOR_TARGET whenever we use xgcc instead
1953 # of g++ for linking C++ or Java, because g++ has -shared-libgcc by
1954 # default whereas gcc does not.
1955 # RAW_CXX_FOR_TARGET is for linking C++ or java; CXX_FOR_TARGET is for
1957 CXX_FOR_TARGET='$$r/gcc/g++ -B$$r/gcc/ -nostdinc++ '$libstdcxx_flags
1958 RAW_CXX_FOR_TARGET='$$r/gcc/xgcc -shared-libgcc -B$$r/gcc/ -nostdinc++ '$raw_libstdcxx_flags
1959 elif test "$host" = "$target"; then
1960 CXX_FOR_TARGET='$(CXX)'
1961 RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
1963 CXX_FOR_TARGET=`echo c++ | sed "${program_transform_name}"`
1964 RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
1966 CXX_FOR_TARGET=$CXX_FOR_TARGET' $(FLAGS_FOR_TARGET)'
1967 RAW_CXX_FOR_TARGET=$RAW_CXX_FOR_TARGET' $(FLAGS_FOR_TARGET)'
1969 qCXX_FOR_TARGET=`echo "$CXX_FOR_TARGET" | sed 's,[[&%]],\\\&,g'`
1970 qRAW_CXX_FOR_TARGET=`echo "$RAW_CXX_FOR_TARGET" | sed 's,[[&%]],\\\&,g'`
1972 # We want to defer the evaluation of `cmd`s and shell variables in
1973 # CXX_FOR_TARGET when recursing in the top-level Makefile, such as for
1974 # bootstrap. We'll enclose CXX_FOR_TARGET_FOR_RECURSIVE_MAKE in single
1975 # quotes, but we still have to duplicate `$'s so that shell variables
1976 # can be expanded by the nested make as shell variables, not as make
1978 qqCXX_FOR_TARGET=`echo "$qCXX_FOR_TARGET" | sed -e 's,[[$]][[$]],$$$$,g'`
1979 qqRAW_CXX_FOR_TARGET=`echo "$qRAW_CXX_FOR_TARGET" | sed -e 's,[[$]][[$]],$$$$,g'`
1981 # Wrap CC_FOR_TARGET and friends, for certain types of builds.
1982 CC_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${CC_FOR_TARGET}"
1983 GCJ_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${GCJ_FOR_TARGET}"
1984 CXX_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${qCXX_FOR_TARGET}"
1985 RAW_CXX_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${qRAW_CXX_FOR_TARGET}"
1986 CXX_FOR_TARGET_FOR_RECURSIVE_MAKE="\$(STAGE_CC_WRAPPER) ${qqCXX_FOR_TARGET}"
1987 RAW_CXX_FOR_TARGET_FOR_RECURSIVE_MAKE="\$(STAGE_CC_WRAPPER) ${qqRAW_CXX_FOR_TARGET}"
1989 # Makefile fragments.
1990 host_makefile_frag=${srcdir}/${host_makefile_frag}
1991 target_makefile_frag=${srcdir}/${target_makefile_frag}
1992 alphaieee_frag=${srcdir}/${alphaieee_frag}
1993 ospace_frag=${srcdir}/${ospace_frag}
1994 AC_SUBST_FILE(host_makefile_frag)
1995 AC_SUBST_FILE(target_makefile_frag)
1996 AC_SUBST_FILE(alphaieee_frag)
1997 AC_SUBST_FILE(ospace_frag)
1999 # Miscellanea: directories, flags, etc.
2000 AC_SUBST(SET_LIB_PATH)
2001 AC_SUBST(RPATH_ENVVAR)
2002 AC_SUBST(BUILD_PREFIX)
2003 AC_SUBST(BUILD_PREFIX_1)
2004 AC_SUBST(configlinks)
2005 AC_SUBST(enable_shared)
2006 AC_SUBST(enable_threads)
2007 AC_SUBST(enable_version_specific_runtime_libs)
2008 AC_SUBST(gcc_version_trigger)
2009 AC_SUBST(gcc_version)
2011 AC_SUBST(build_tooldir)
2013 AC_SUBST(gxx_include_dir)
2014 AC_SUBST(libstdcxx_incdir)
2016 # Build module lists & subconfigure args.
2017 AC_SUBST(build_subdir)
2018 AC_SUBST(build_configargs)
2019 AC_SUBST(configure_build_modules)
2020 AC_SUBST(all_build_modules)
2022 # Host module lists & subconfigure args.
2023 AC_SUBST(host_configargs)
2024 AC_SUBST(configdirs)
2025 AC_SUBST(configure_host_modules)
2026 AC_SUBST(all_host_modules)
2027 AC_SUBST(check_host_modules)
2028 AC_SUBST(install_host_modules)
2029 AC_SUBST(install_host_modules_nogcc)
2031 # Target module lists & subconfigure args.
2032 AC_SUBST(target_subdir)
2033 AC_SUBST(target_configargs)
2034 AC_SUBST(target_configdirs)
2035 AC_SUBST(configure_target_modules)
2036 AC_SUBST(all_target_modules)
2037 AC_SUBST(check_target_modules)
2038 AC_SUBST(install_target_modules)
2042 AC_SUBST(CC_FOR_BUILD)
2046 AC_SUBST(config_shell)
2049 NCN_STRICT_CHECK_TOOL(AR, ar)
2050 NCN_STRICT_CHECK_TOOL(AS, as)
2051 NCN_STRICT_CHECK_TOOL(DLLTOOL, dlltool)
2052 NCN_STRICT_CHECK_TOOL(LD, ld)
2053 NCN_STRICT_CHECK_TOOL(NM, nm)
2054 NCN_STRICT_CHECK_TOOL(RANLIB, ranlib, :)
2055 NCN_STRICT_CHECK_TOOL(WINDRES, windres)
2056 NCN_STRICT_CHECK_TOOL(OBJCOPY, objcopy)
2057 NCN_STRICT_CHECK_TOOL(OBJDUMP, objdump)
2062 AC_SUBST(DEFAULT_YACC)
2063 AC_SUBST(DEFAULT_LEX)
2064 AC_SUBST(DEFAULT_M4)
2067 NCN_STRICT_CHECK_TARGET_TOOL(AR_FOR_TARGET, ar)
2068 NCN_STRICT_CHECK_TARGET_TOOL(AS_FOR_TARGET, as)
2069 NCN_STRICT_CHECK_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
2070 NCN_STRICT_CHECK_TARGET_TOOL(LD_FOR_TARGET, ld)
2071 NCN_STRICT_CHECK_TARGET_TOOL(NM_FOR_TARGET, nm)
2072 NCN_STRICT_CHECK_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib, :)
2073 NCN_STRICT_CHECK_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
2075 AC_SUBST(GCC_FOR_TARGET)
2076 AC_SUBST(FLAGS_FOR_TARGET)
2077 AC_SUBST(CC_FOR_TARGET)
2078 AC_SUBST(GCJ_FOR_TARGET)
2079 AC_SUBST(CXX_FOR_TARGET)
2080 AC_SUBST(RAW_CXX_FOR_TARGET)
2081 AC_SUBST(CXX_FOR_TARGET_FOR_RECURSIVE_MAKE)
2082 AC_SUBST(RAW_CXX_FOR_TARGET_FOR_RECURSIVE_MAKE)
2084 # Fix up target tools.
2085 if test "x${build}" = "x${host}" ; then
2086 # In this case, the newly built tools can and should be used,
2087 # so we override the results of the autoconf tests.
2088 # This should really only happen when the tools are actually being built,
2089 # but that's a further refinement. The new build scheme, where
2090 # tools are built into a structure paralleling where they're installed,
2091 # should also eliminate all of this cleanly.
2092 AR_FOR_TARGET="\$(USUAL_AR_FOR_TARGET)"
2093 AS_FOR_TARGET="\$(USUAL_AS_FOR_TARGET)"
2094 DLLTOOL_FOR_TARGET="\$(USUAL_DLLTOOL_FOR_TARGET)"
2095 LD_FOR_TARGET="\$(USUAL_LD_FOR_TARGET)"
2096 NM_FOR_TARGET="\$(USUAL_NM_FOR_TARGET)"
2097 RANLIB_FOR_TARGET="\$(USUAL_RANLIB_FOR_TARGET)"
2098 WINDRES_FOR_TARGET="\$(USUAL_WINDRES_FOR_TARGET)"
2100 # Certain tools may need extra flags.
2101 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
2102 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
2103 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}