1 # Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998,
2 # 1999, 2000, 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
4 # This file is free software; you can redistribute it and/or modify it
5 # under the terms of the GNU General Public License as published by
6 # the Free Software Foundation; either version 2 of the License, or
7 # (at your option) any later version.
9 # This program is distributed in the hope that it will be useful, but
10 # WITHOUT ANY WARRANTY; without even the implied warranty of
11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 # General Public License for more details.
14 # You should have received a copy of the GNU General Public License
15 # along with this program; if not, write to the Free Software
16 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
18 ##############################################################################
19 ### WARNING: this file contains embedded tabs. Do not run untabify on this file.
21 sinclude(config/acx.m4)
23 AC_INIT(move-if-change)
28 # Get 'install' or 'install-sh' and its variants.
33 ### we might need to use some other shell than /bin/sh for running subshells
34 ### If we are on Windows, search for the shell. This will permit people
35 ### to not have /bin/sh, but to be able to see /SOME/PATH/sh configure
36 ### without also having to set CONFIG_SHELL. This code will work when
37 ### using bash, which sets OSTYPE.
40 if test x${CONFIG_SHELL} = x ; then
41 if test ! -f /bin/sh ; then
42 if test x${SHELL} != x && test -f ${SHELL} ; then
46 for prog in sh sh.exe bash bash.exe; do
47 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
49 test -z "$dir" && dir=.
50 if test -f $dir/$prog; then
51 CONFIG_SHELL=$dir/$prog
57 test -n "${CONFIG_SHELL}" && break
65 config_shell=${CONFIG_SHELL-/bin/sh}
68 # if PWD already has a value, it is probably wrong.
69 if test -n "$PWD" ; then PWD=`${PWDCMD-pwd}`; fi
71 # Export original configure arguments for use by sub-configures. These
72 # will be expanded by make, so quote '$'.
74 sed -e 's,\$,$$,g' <<EOF_SED > conftestsed.out
77 TOPLEVEL_CONFIGURE_ARGUMENTS=`cat conftestsed.out`
79 AC_SUBST(TOPLEVEL_CONFIGURE_ARGUMENTS)
81 moveifchange=${srcdir}/move-if-change
83 srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}`
85 # We pass INSTALL explicitly to sub-makes. Make sure that it is not
87 if test "$INSTALL" = "${srcdir}/install-sh -c"; then
88 INSTALL="${srcpwd}/install-sh -c"
91 # Set srcdir to "." if that's what it is.
92 # This is important for multilib support.
94 if test "${pwd}" = "${srcpwd}" ; then
102 ### To add a new directory to the tree, first choose whether it is a target
103 ### or a host dependent tool. Then put it into the appropriate list
104 ### (library or tools, host or target), doing a dependency sort.
106 # Subdirs will be configured in the order listed in build_configdirs,
107 # configdirs, or target_configdirs; see the serialization section below.
109 # Dependency sorting is only needed when *configuration* must be done in
110 # a particular order. In all cases a dependency should be specified in
111 # the Makefile, whether or not it's implicitly specified here.
113 # Double entries in build_configdirs, configdirs, or target_configdirs may
114 # cause circular dependencies and break everything horribly.
116 # these library is used by various programs built for the build
119 build_libs="build-libiberty"
121 # these tools are built for the build environment
122 build_tools="build-texinfo build-byacc build-flex build-bison build-m4 build-fixincludes"
124 # these libraries are used by various programs built for the host environment
126 host_libs="intl mmalloc libiberty opcodes bfd readline tcl tk itcl libgui zlib libcpp libdecnumber"
128 # these tools are built for the host environment
129 # Note, the powerpc-eabi build depends on sim occurring before gdb in order to
130 # know that we are building the simulator.
131 # binutils, gas and ld appear in that order because it makes sense to run
132 # "make check" in that particular order.
133 host_tools="texinfo byacc flex bison binutils gas ld fixincludes gcc sid sim gdb make patch prms send-pr gprof etc expect dejagnu ash bash bzip2 m4 autoconf automake libtool diff rcs fileutils shellutils time textutils wdiff find uudecode hello tar gzip indent recode release sed utils guile perl gawk findutils gettext zip fastjar gnattools"
135 # libgcj represents the runtime libraries only used by gcj.
136 libgcj="target-libffi \
142 # these libraries are built for the target environment, and are built after
143 # the host libraries and the host tools (which may be a cross compiler)
145 target_libraries="target-libiberty \
148 target-libstdc++-v3 \
156 # these tools are built using the target libraries, and are intended to
157 # run only in the target environment
159 # note: any program that *uses* libraries that are in the "target_libraries"
160 # list belongs in this list. those programs are also very likely
161 # candidates for the "native_only" list which follows
163 target_tools="target-examples target-groff target-gperf target-rda"
165 ################################################################################
167 ## All tools belong in one of the four categories, and are assigned above
168 ## We assign ${configdirs} this way to remove all embedded newlines. This
169 ## is important because configure will choke if they ever get through.
170 ## ${configdirs} is directories we build using the host tools.
171 ## ${target_configdirs} is directories we build using the target tools.
172 configdirs=`echo ${host_libs} ${host_tools}`
173 target_configdirs=`echo ${target_libraries} ${target_tools}`
174 build_configdirs=`echo ${build_libs} ${build_tools}`
176 ################################################################################
178 srcname="gnu development package"
180 # This gets set non-empty for some net releases of packages.
183 # Define is_cross_compiler to save on calls to 'test'.
185 if test x"${host}" = x"${target}" ; then
188 is_cross_compiler=yes
191 # Find the build and target subdir names.
194 # Skipdirs are removed silently.
196 # Noconfigdirs are removed loudly.
200 # Make sure we don't let GNU ld be added if we didn't want it.
201 if test x$with_gnu_ld = xno ; then
203 noconfigdirs="$noconfigdirs ld"
207 # Make sure we don't let GNU as be added if we didn't want it.
208 if test x$with_gnu_as = xno ; then
210 noconfigdirs="$noconfigdirs gas"
213 # some tools are so dependent upon X11 that if we're not building with X,
214 # it's not even worth trying to configure, much less build, that tool.
217 yes | "") ;; # the default value for this tree is that X11 is available
219 skipdirs="${skipdirs} tk itcl libgui"
220 # We won't be able to build gdbtk without X.
223 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
226 # Some tools are only suitable for building in a "native" situation.
227 # Remove these if host!=target.
228 native_only="autoconf automake libtool fileutils find gawk gettext gzip hello indent m4 rcs recode sed shellutils tar textutils uudecode wdiff gprof target-groff guile perl time ash bash bzip2 prms gnuserv target-gperf"
230 # Similarly, some are only suitable for cross toolchains.
231 # Remove these if host=target.
232 cross_only="target-libgloss target-newlib target-opcodes"
234 case $is_cross_compiler in
235 no) skipdirs="${skipdirs} ${cross_only}" ;;
236 yes) skipdirs="${skipdirs} ${native_only}" ;;
239 # If both --with-headers and --with-libs are specified, default to
241 if test x"${with_headers}" != x && test x"${with_headers}" != xno \
242 && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
243 if test x"${with_newlib}" = x ; then
248 # Recognize --with-newlib/--without-newlib.
249 case ${with_newlib} in
250 no) skipdirs="${skipdirs} target-newlib" ;;
251 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
254 # Configure extra directories which are host specific
258 configdirs="$configdirs libtermcap" ;;
261 # A target can indicate whether a language isn't supported for some reason.
262 # Only spaces may be used in this macro; not newlines or tabs.
263 unsupported_languages=
265 # Remove more programs from consideration, based on the host or
266 # target this usually means that a port of the program doesn't
271 noconfigdirs="$noconfigdirs byacc"
273 i[[3456789]]86-*-vsta)
274 noconfigdirs="$noconfigdirs tcl expect dejagnu make texinfo bison patch flex byacc send-pr gprof uudecode dejagnu diff guile perl itcl gnuserv gettext"
276 i[[3456789]]86-*-go32* | i[[3456789]]86-*-msdosdjgpp*)
277 noconfigdirs="$noconfigdirs tcl tk expect dejagnu send-pr uudecode guile itcl gnuserv libffi"
279 i[[3456789]]86-*-mingw32*)
280 # noconfigdirs="tcl tk expect dejagnu make texinfo bison patch flex byacc send-pr uudecode dejagnu diff guile perl itcl gnuserv"
281 noconfigdirs="$noconfigdirs expect dejagnu autoconf automake send-pr rcs guile perl texinfo libtool"
283 i[[3456789]]86-*-beos*)
284 noconfigdirs="$noconfigdirs tk itcl libgui gdb"
287 noconfigdirs="$noconfigdirs autoconf automake send-pr rcs guile perl"
290 noconfigdirs="$noconfigdirs rcs"
293 noconfigdirs="$noconfigdirs patch diff make tk tcl expect dejagnu autoconf automake texinfo bison send-pr gprof rcs guile perl itcl gnuserv"
296 noconfigdirs="$noconfigdirs tk itcl libgui gdb dejagnu readline"
301 AC_ARG_ENABLE(libada,
302 [ --enable-libada Builds libada directory],
303 ENABLE_LIBADA=$enableval,
305 if test "${ENABLE_LIBADA}" != "yes" ; then
306 noconfigdirs="$noconfigdirs target-libada"
307 noconfigdirs="$noconfigdirs gnattools"
310 AC_ARG_ENABLE(libssp,
311 [ --enable-libssp Builds libssp directory],
312 ENABLE_LIBSSP=$enableval,
314 if test "${ENABLE_LIBSSP}" != "yes" ; then
315 noconfigdirs="$noconfigdirs target-libssp"
318 # Save it here so that, even in case of --enable-libgcj, if the Java
319 # front-end isn't enabled, we still get libgcj disabled.
321 case $enable_libgcj in
323 # If we reset it here, it won't get added to noconfigdirs in the
324 # target-specific build rules, so it will be forcibly enabled
325 # (unless the Java language itself isn't enabled).
329 # Make sure we get it printed in the list of not supported target libs.
330 noconfigdirs="$noconfigdirs ${libgcj}"
335 # Allow --disable-libmudflap to exclude target-libmudflap
336 case $enable_libmudflap in
340 noconfigdirs="$noconfigdirs target-libmudflap"
344 *-*-linux*-gnu | *-*-gnu* | *-*-k*bsd*-gnu)
345 # Enable libmudflap by default in GNU and friends.
348 # Enable libmudflap by default in FreeBSD.
351 # Disable it by default everywhere else.
352 noconfigdirs="$noconfigdirs target-libmudflap"
360 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
363 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes gdb gprof"
364 noconfigdirs="$noconfigdirs sim target-rda"
367 noconfigdirs="$noconfigdirs ld gas gdb gprof"
368 noconfigdirs="$noconfigdirs sim target-rda"
369 noconfigdirs="$noconfigdirs ${libgcj}"
371 *-*-freebsd[[12]] | *-*-freebsd[[12]].* | *-*-freebsd*aout*)
372 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
375 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
376 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
377 && test -f /usr/local/include/gmp.h; then
381 # Skip some stuff that's unsupported on some FreeBSD configurations.
386 noconfigdirs="$noconfigdirs ${libgcj}"
391 # Remove unsupported stuff on all kaOS configurations.
392 skipdirs="target-libiberty ${libgcj} target-libstdc++-v3 target-librx"
393 skipdirs="$skipdirs target-libobjc target-examples target-groff target-gperf"
394 skipdirs="$skipdirs zlib fastjar target-libjava target-boehm-gc target-zlib"
395 noconfigdirs="$noconfigdirs target-libgloss"
398 # Skip some stuff on all NetBSD configurations.
399 noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss"
401 # Skip some stuff that's unsupported on some NetBSD configurations.
403 i*86-*-netbsdelf*) ;;
404 arm*-*-netbsdelf*) ;;
406 noconfigdirs="$noconfigdirs ${libgcj}"
411 noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss ${libgcj} target-libmudflap"
414 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
416 # The tpf target doesn't support gdb yet.
418 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libiberty ${libgcj} target-libmudflap gdb tcl tk libgui itcl"
421 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-rda ${libgcj}"
424 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libiberty target-libstdc++-v3 ${libgcj}"
427 noconfigdirs="$noconfigdirs target-libstdc++-v3"
430 # ld works, but does not support shared libraries.
431 # newlib is not 64 bit ready. I'm not sure about fileutils.
432 # gas doesn't generate exception information.
433 noconfigdirs="$noconfigdirs gas ld fileutils target-newlib target-libgloss"
436 noconfigdirs="$noconfigdirs gdb ld target-newlib target-libgloss ${libgcj}"
439 # newlib is not 64 bit ready
440 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
443 # newlib is not 64 bit ready
444 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
447 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
450 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
452 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
453 noconfigdirs="$noconfigdirs ${libgcj}"
454 noconfigdirs="$noconfigdirs target-examples"
455 noconfigdirs="$noconfigdirs target-libiberty texinfo send-pr"
456 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
457 noconfigdirs="$noconfigdirs expect dejagnu"
458 # the C++ libraries don't build on top of CE's C libraries
459 noconfigdirs="$noconfigdirs target-libstdc++-v3"
460 noconfigdirs="$noconfigdirs target-newlib"
462 *-*-cygwin*) ;; # keep gdb and readline
463 *) noconfigdirs="$noconfigdirs gdb readline"
468 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
472 arm-*-coff | strongarm-*-coff | xscale-*-coff)
473 noconfigdirs="$noconfigdirs ${libgcj}"
475 arm-*-elf* | strongarm-*-elf* | xscale-*-elf* | arm*-*-eabi* )
476 noconfigdirs="$noconfigdirs target-libffi target-qthreads"
478 arm*-*-linux-gnueabi)
479 noconfigdirs="$noconfigdirs target-libffi target-qthreads"
480 noconfigdirs="$noconfigdirs target-libjava target-libobjc"
483 noconfigdirs="$noconfigdirs ${libgcj} target-libiberty"
486 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
489 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
492 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
495 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
498 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
501 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
504 noconfigdirs="$noconfigdirs target-libgloss gdb"
505 if test x${is_cross_compiler} != xno ; then
506 target_configdirs="${target_configdirs} target-bsp target-cygmon"
510 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
512 c54x*-*-* | tic54x-*-*)
513 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj} gcc gdb newlib"
515 cris-*-* | crisv32-*-*)
516 unsupported_languages="$unsupported_languages java"
519 unsupported_languages="$unsupported_languages fortran"
520 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";;
522 unsupported_languages="$unsupported_languages fortran"
523 noconfigdirs="$noconfigdirs target-boehm-gc";;
525 noconfigdirs="$noconfigdirs target-newlib target-libgloss";;
527 unsupported_languages="$unsupported_languages fortran"
528 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss";;
532 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-mudflap ${libgcj}"
535 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
538 noconfigdirs="$noconfigdirs ${libgcj} gdb"
541 noconfigdirs="$noconfigdirs ${libgcj} gdb"
544 noconfigdirs="$noconfigdirs ${libgcj}"
547 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
550 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
552 hppa1.1-*-osf* | hppa1.1-*-bsd* )
554 hppa*64*-*-linux* | parisc*64*-*-linux*)
555 # In this case, it's because the hppa64-linux target is for
556 # the kernel only at this point and has no libc, and thus no
557 # headers, crt*.o, etc., all of which are needed by these.
558 noconfigdirs="$noconfigdirs target-zlib"
560 parisc*-*-linux* | hppa*-*-linux*)
566 noconfigdirs="$noconfigdirs ${libgcj}"
569 # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
570 # build on HP-UX 10.20.
571 noconfigdirs="$noconfigdirs ld shellutils ${libgcj}"
574 noconfigdirs="$noconfigdirs ${libgcj} gdb"
577 # No gdb support yet.
578 noconfigdirs="$noconfigdirs readline mmalloc libgui itcl gdb"
581 # No gdb or ld support yet.
582 noconfigdirs="$noconfigdirs ${libgcj} readline mmalloc libgui itcl gdb ld"
586 i[[3456789]]86-*-coff | i[[3456789]]86-*-elf)
587 noconfigdirs="$noconfigdirs ${libgcj}"
589 i[[3456789]]86-*-linux*)
590 # The GCC port for glibc1 has no MD_FALLBACK_FRAME_STATE_FOR, so let's
591 # not build java stuff by default.
594 noconfigdirs="$noconfigdirs ${libgcj}";;
597 # This section makes it possible to build newlib natively on linux.
598 # If we are using a cross compiler then don't configure newlib.
599 if test x${is_cross_compiler} != xno ; then
600 noconfigdirs="$noconfigdirs target-newlib"
602 noconfigdirs="$noconfigdirs target-libgloss"
603 # If we are not using a cross compiler, do configure newlib.
604 # Note however, that newlib will only be configured in this situation
605 # if the --with-newlib option has been given, because otherwise
606 # 'target-newlib' will appear in skipdirs.
608 i[[3456789]]86-*-mingw32*)
609 target_configdirs="$target_configdirs target-mingw"
610 noconfigdirs="$noconfigdirs expect target-libgloss ${libgcj}"
612 # Can't build gdb for mingw32 if not native.
614 i[[3456789]]86-*-mingw32) ;; # keep gdb tcl tk expect etc.
615 *) noconfigdirs="$noconfigdirs gdb tcl tk expect itcl gnuserv"
620 target_configdirs="$target_configdirs target-libtermcap target-winsup"
621 noconfigdirs="$noconfigdirs target-gperf target-libgloss ${libgcj}"
622 # always build newlib if winsup directory is present.
623 if test -d "$srcdir/winsup"; then
624 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
625 elif test -d "$srcdir/newlib"; then
626 echo "Warning: winsup is missing so newlib can't be built."
629 # Can't build gdb for Cygwin if not native.
631 *-*-cygwin*) ;; # keep gdb tcl tk expect etc.
632 *) noconfigdirs="$noconfigdirs gdb tcl tk expect itcl libgui gnuserv"
636 i[[3456789]]86-moss-msdos | i[[3456789]]86-*-moss* | \
637 i[[3456789]]86-*-uwin* | i[[3456789]]86-*-interix* )
640 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
642 i[[3456789]]86-*-sco3.2v5*)
643 # The linker does not yet know about weak symbols in COFF,
644 # and is not configured to handle mixed ELF and COFF.
645 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
647 i[[3456789]]86-*-sco*)
648 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
650 i[[3456789]]86-*-solaris2*)
651 noconfigdirs="$noconfigdirs target-libgloss"
653 i[[3456789]]86-*-sysv4*)
654 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
656 i[[3456789]]86-*-beos*)
657 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
660 noconfigdirs="$noconfigdirs ${libgcj}"
662 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
663 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
666 noconfigdirs="$noconfigdirs ${libgcj}"
669 noconfigdirs="$noconfigdirs ${libgcj}"
672 # The EPOC C++ environment does not support exceptions or rtti,
673 # and so building libstdc++-v3 tends not to always work.
674 noconfigdirs="$noconfigdirs target-libstdc++-v3"
677 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc gdb libgloss"
678 unsupported_languages="$unsupported_languages fortran java"
681 noconfigdirs="$noconfigdirs ${libgcj}"
684 noconfigdirs="$noconfigdirs ${libgcj}"
687 noconfigdirs="$noconfigdirs sim"
690 # copied from rs6000-*-* entry
691 noconfigdirs="$noconfigdirs gprof target-libgloss target-libssp ${libgcj}"
693 powerpc*-*-winnt* | powerpc*-*-pe* | ppc*-*-pe)
694 target_configdirs="$target_configdirs target-winsup"
695 noconfigdirs="$noconfigdirs gdb tcl tk make expect target-libgloss itcl gnuserv ${libgcj}"
696 # always build newlib.
697 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
699 # This is temporary until we can link against shared libraries
700 powerpcle-*-solaris*)
701 noconfigdirs="$noconfigdirs gdb sim make tcl tk expect itcl gnuserv ${libgcj}"
704 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
707 noconfigdirs="$noconfigdirs ${libgcj}"
709 powerpc-*-eabi* | powerpcle-*-eabi* | powerpc-*-rtems* )
712 noconfigdirs="$noconfigdirs target-newlib gprof ${libgcj}"
715 noconfigdirs="$noconfigdirs gprof target-libgloss target-libssp ${libgcj}"
718 noconfigdirs="$noconfigdirs gprof ${libgcj}"
721 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss ${libgcj}"
724 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
727 # Linking libjava exceeds command-line length limits on at least
728 # IRIX 6.2, but not on IRIX 6.5.
729 # Also, boehm-gc won't build on IRIX 6.5, according to Jeffrey Oldham
730 # <oldham@codesourcery.com>
731 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
734 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
737 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
740 noconfigdirs="$noconfigdirs gprof ${libgcj}" # same as generic mips
743 noconfigdirs="$noconfigdirs target-newlib ${libgcj}"
746 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
749 noconfigdirs="$noconfigdirs gprof ${libgcj}"
752 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes target-libgloss ${libgcj}"
756 i[[3456789]]86-*-vsta) ;; # don't add gprof back in
757 i[[3456789]]86-*-go32*) ;; # don't add gprof back in
758 i[[3456789]]86-*-msdosdjgpp*) ;; # don't add gprof back in
759 *) skipdirs=`echo " ${skipdirs} " | sed -e 's/ gprof / /'` ;;
761 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
764 noconfigdirs="$noconfigdirs ${libgcj}"
767 noconfigdirs="$noconfigdirs ${libgcj}"
770 noconfigdirs="$noconfigdirs ${libgcj}"
773 noconfigdirs="$noconfigdirs ${libgcj}"
774 if test x${is_cross_compiler} != xno ; then
775 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
780 sparc-*-solaris2.[[0-6]] | sparc-*-solaris2.[[0-6]].*)
781 noconfigdirs="$noconfigdirs ${libgcj}"
783 sparc-*-solaris* | sparc64-*-solaris* | sparcv9-*-solaris*)
786 noconfigdirs="$noconfigdirs bfd binutils gas gcc gdb ld target-libstdc++-v3 opcodes target-libgloss ${libgcj}"
789 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
792 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
795 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
798 noconfigdirs="$noconfigdirs bfd binutils gdb ld target-newlib opcodes target-libgloss ${libgcj}"
801 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
804 noconfigdirs="$noconfigdirs ${libgcj}"
807 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
809 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu)
810 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
813 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
816 noconfigdirs="$noconfigdirs ${libgcj}"
820 # If we aren't building newlib, then don't build libgloss, since libgloss
821 # depends upon some newlib header files.
822 case "${noconfigdirs}" in
823 *target-libgloss*) ;;
824 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
827 # Work in distributions that contain no compiler tools, like Autoconf.
829 host_makefile_frag=/dev/null
830 if test -d ${srcdir}/config ; then
833 # Avoid "too much defining" errors from HPUX compiler.
834 tentative_cc="cc -Wp,-H256000"
835 # If "ar" in $PATH is GNU ar, the symbol table may need rebuilding.
836 # If it's HP/UX ar, this should be harmless.
840 tentative_cc="cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DUSG"
843 #None of the Apollo compilers can compile gas or binutils. The preprocessor
844 # chokes on bfd, the compiler won't let you assign integers to enums, and
845 # other problems. Defining CC to gcc is a questionable way to say "don't use
846 # the apollo compiler" (the preferred version of GCC could be called cc,
847 # or whatever), but I'm not sure leaving CC as cc is any better...
848 #CC=cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DNO_STDARG
849 # Used to have BISON=yacc.
853 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
856 # Under CX/UX, we want to tell the compiler to use ANSI mode.
857 tentative_cc="cc -Xa"
858 host_makefile_frag="config/mh-cxux"
863 tentative_cc="cc -Wf,-XNg1000"
864 host_makefile_frag="config/mh-decstation"
867 # The C compiler on NEC MIPS SVR4 needs bigger tables.
868 tentative_cc="cc -ZXNd=5000 -ZXNg=1000"
869 host_makefile_frag="config/mh-necv4"
872 # Tell compiler to use K&R C. We can't compile under the SGI Ansi
873 # environment. Also bump switch table size so that cp-parse will
874 # compile. Bump string length limit so linker builds.
875 tentative_cc="cc -cckr -Wf,-XNg1500 -Wf,-XNk1000 -Wf,-XNh2000 -Wf,-XNl8192"
878 host_makefile_frag="config/mh-sysv4"
881 # This is for a MIPS running RISC/os 4.52C.
883 # This is needed for GDB, but needs to be in the top-level make because
884 # if a library is compiled with the bsd headers and gets linked with the
885 # sysv system libraries all hell can break loose (e.g. a jmp_buf might be
887 # ptrace(2) apparently has problems in the BSD environment. No workaround is
888 # known except to select the sysv environment. Could we use /proc instead?
889 # These "sysv environments" and "bsd environments" often end up being a pain.
891 # This is not part of CFLAGS because perhaps not all C compilers have this
893 tentative_cc="cc -systype sysv"
898 i[[3456789]]86-*-sysv5*)
899 host_makefile_frag="config/mh-sysv5"
901 i[[3456789]]86-*-dgux*)
902 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
903 host_makefile_frag="config/mh-dgux386"
905 i[[3456789]]86-ncr-sysv4.3*)
906 # The MetaWare compiler will generate a copyright message unless you
907 # turn it off by adding the -Hnocopyr flag.
908 tentative_cc="cc -Hnocopyr"
910 i[[3456789]]86-ncr-sysv4*)
911 # for an NCR 3000 (i486/SVR4) system.
912 # The NCR 3000 ships with a MetaWare compiler installed as /bin/cc.
913 # This compiler not only emits obnoxious copyright messages every time
914 # you run it, but it chokes and dies on a whole bunch of GNU source
915 # files. Default to using the AT&T compiler installed in /usr/ccs/ATT/cc.
916 tentative_cc="/usr/ccs/ATT/cc"
917 host_makefile_frag="config/mh-ncr3000"
919 i[[3456789]]86-*-sco3.2v5*)
921 i[[3456789]]86-*-sco*)
922 # The native C compiler botches some simple uses of const. Unfortunately,
923 # it doesn't defined anything like "__sco__" for us to test for in ansidecl.h.
924 tentative_cc="cc -Dconst="
925 host_makefile_frag="config/mh-sco"
927 i[[3456789]]86-*-udk*)
928 host_makefile_frag="config/mh-sysv5"
930 i[[3456789]]86-*-solaris2*)
931 host_makefile_frag="config/mh-sysv4"
933 i[[3456789]]86-*-msdosdjgpp*)
934 host_makefile_frag="config/mh-djgpp"
937 host_makefile_frag="config/mh-cygwin"
942 host_makefile_frag="config/mh-interix"
945 # The old BSD pcc isn't up to compiling parts of gdb so use gcc
949 host_makefile_frag="config/mh-solaris"
952 # Sun's C compiler needs the -J flag to be able to compile cp-parse.c
953 # without overflowing the jump tables (-J says to use a 32 bit table)
957 tentative_cc="cc -Wp,-H256000"
960 tentative_cc="cc -Wp,-H256000"
963 # /bin/cc is less than useful for our purposes. Always use GCC
964 tentative_cc="/usr/cygnus/progressive/bin/gcc"
965 host_makefile_frag="config/mh-lynxrs6k"
968 host_makefile_frag="config/mh-ppc-darwin"
971 host_makefile_frag="config/mh-ppc-aix"
974 host_makefile_frag="config/mh-ppc-aix"
977 # /bin/cc is less than useful for our purposes. Always use GCC
978 tentative_cc="/bin/gcc"
981 host_makefile_frag="config/mh-sysv4"
983 # This is placed last to prevent interfering with the cases above.
985 # Build the stage2 and stage3 compilers with -fomit-frame-pointer.
986 host_makefile_frag="config/mh-x86omitfp"
991 # If we aren't going to be using gcc, see if we can extract a definition
992 # of CC from the fragment.
993 # Actually, use the 'pre-extracted' version above.
994 if test -z "${CC}" && test "${build}" = "${host}" ; then
995 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
998 test -z "$dir" && dir=.
999 if test -f $dir/gcc; then
1005 if test -z "${found}" && test -n "${tentative_cc}" ; then
1010 if test "${build}" != "${host}" ; then
1011 # If we are doing a Canadian Cross, in which the host and build systems
1012 # are not the same, we set reasonable default values for the tools.
1014 CC=${CC-${host_alias}-gcc}
1015 CFLAGS=${CFLAGS-"-g -O2"}
1016 CXX=${CXX-${host_alias}-c++}
1017 CXXFLAGS=${CXXFLAGS-"-g -O2"}
1018 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
1019 BUILD_PREFIX=${build_alias}-
1020 BUILD_PREFIX_1=${build_alias}-
1023 # Set reasonable default values for some tools even if not Canadian.
1024 # Of course, these are different reasonable default values, originally
1025 # specified directly in the Makefile.
1026 # We don't export, so that autoconf can do its job.
1027 # Note that all these settings are above the fragment inclusion point
1028 # in Makefile.in, so can still be overridden by fragments.
1029 # This is all going to change when we autoconfiscate...
1031 CC_FOR_BUILD="\$(CC)"
1033 BUILD_PREFIX_1=loser-
1037 # We must set the default linker to the linker used by gcc for the correct
1038 # operation of libtool. If LD is not defined and we are using gcc, try to
1039 # set the LD default to the ld used by gcc.
1040 if test -z "$LD"; then
1041 if test "$GCC" = yes; then
1044 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1046 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1048 case $gcc_prog_ld in
1049 # Accept absolute paths.
1050 [[\\/]* | [A-Za-z]:[\\/]*)]
1051 LD="$gcc_prog_ld" ;;
1057 CFLAGS=${CFLAGS-"-g"}
1058 CXXFLAGS=${CXXFLAGS-"-g -O2"}
1062 ACX_PROG_CMP_IGNORE_INITIAL
1064 # Check for GMP and MPFR
1068 # Specify a location for mpfr
1069 # check for this first so it ends up on the link line before gmp.
1070 AC_ARG_WITH(mpfr-dir, [ --with-mpfr-dir=PATH Specify source directory for MPFR library])
1072 if test "x$with_mpfr_dir" != x; then
1073 gmpinc="-I$with_mpfr_dir"
1074 gmplibs="$with_mpfr_dir/libmpfr.a"
1079 AC_ARG_WITH(mpfr, [ --with-mpfr=PATH Specify directory for installed MPFR library])
1081 if test "x$with_mpfr" != x; then
1082 gmplibs="-L$with_mpfr/lib $gmplibs"
1083 gmpinc="-I$with_mpfr/include"
1086 # Specify a location for gmp
1087 AC_ARG_WITH(gmp-dir, [ --with-gmp-dir=PATH Specify source directory for GMP library])
1089 if test "x$with_gmp_dir" != x; then
1090 gmpinc="$gmpinc -I$with_gmp_dir"
1091 if test -f "$with_gmp_dir/.libs/libgmp.a"; then
1092 gmplibs="$gmplibs $with_gmp_dir/.libs/libgmp.a"
1093 elif test -f "$with_gmp_dir/_libs/libgmp.a"; then
1094 gmplibs="$gmplibs $with_gmp_dir/_libs/libgmp.a"
1096 # One of the later tests will catch the error if neither library is present.
1098 gmplibs="$gmplibs -lgmp"
1101 AC_ARG_WITH(gmp, [ --with-gmp=PATH Specify directory for installed GMP library])
1103 if test "x$with_gmp" != x; then
1104 gmplibs="-L$with_gmp/lib $gmplibs"
1105 gmpinc="-I$with_gmp/include $gmpinc"
1108 saved_CFLAGS="$CFLAGS"
1109 CFLAGS="$CFLAGS $gmpinc"
1110 # Check GMP actually works
1111 AC_MSG_CHECKING([for correct version of gmp.h])
1112 AC_TRY_COMPILE([#include "gmp.h"],[
1113 #if __GNU_MP_VERSION < 3
1116 ], [AC_MSG_RESULT([yes])],
1117 [AC_MSG_RESULT([no]); have_gmp=no])
1119 if test x"$have_gmp" = xyes; then
1120 AC_MSG_CHECKING([for MPFR])
1123 LIBS="$LIBS $gmplibs"
1124 AC_TRY_LINK([#include <gmp.h>
1125 #include <mpfr.h>], [mpfr_t n; mpfr_init(n);],
1126 [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1128 CFLAGS="$saved_CFLAGS"
1131 # Flags needed for both GMP and/or MPFR
1135 # By default, C is the only stage 1 language.
1137 AC_SUBST(stage1_languages)
1139 # Figure out what language subdirectories are present.
1140 # Look if the user specified --enable-languages="..."; if not, use
1141 # the environment variable $LANGUAGES if defined. $LANGUAGES might
1143 # NB: embedded tabs in this IF block -- do not untabify
1144 if test -d ${srcdir}/gcc; then
1145 if test x"${enable_languages+set}" != xset; then
1146 if test x"${LANGUAGES+set}" = xset; then
1147 enable_languages="${LANGUAGES}"
1148 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1150 enable_languages=all
1153 if test x"${enable_languages}" = x ||
1154 test x"${enable_languages}" = xyes;
1156 echo configure.in: --enable-languages needs at least one language argument 1>&2
1160 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1162 # 'f95' is the old name for the 'fortran' language. We issue a warning
1163 # and make the substitution.
1164 case ,${enable_languages}, in
1166 echo configure.in: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2
1167 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'`
1171 # First scan to see if an enabled language requires some other language.
1172 # We assume that a given config-lang.in will list all the language
1173 # front ends it requires, even if some are required indirectly.
1174 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1175 case ${lang_frag} in
1177 # The odd quoting in the next line works around
1178 # an apparent bug in bash 1.12 on linux.
1179 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1181 # From the config-lang.in, get $language, $lang_requires
1185 for other in ${lang_requires} ; do
1186 case ,${enable_languages}, in
1190 echo " \`$other' language required by \`$language'; enabling" 1>&2
1191 enable_languages="${enable_languages},${other}"
1199 new_enable_languages=c
1200 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
1201 potential_languages=c
1203 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1204 case ${lang_frag} in
1206 # The odd quoting in the next line works around
1207 # an apparent bug in bash 1.12 on linux.
1208 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1210 # From the config-lang.in, get $language, $target_libs,
1211 # $lang_dirs, $boot_language, and $build_by_default
1219 potential_languages="${potential_languages},${language}"
1220 # This is quite sensitive to the ordering of the case statement arms.
1221 case ,${enable_languages},:${language}:${have_gnat}:${build_by_default} in
1223 echo "${lang_frag} doesn't set \$language." 1>&2
1227 # Ada was requested with no preexisting GNAT. Disable unconditionally.
1230 *,${language},*:*:*:*)
1231 # Language was explicitly selected; include it.
1235 # 'all' was selected, but this is not a default language
1236 # so do not include it.
1240 # 'all' was selected and this is a default language; include it.
1248 # Disable languages that need GMP if it isn't available.
1249 case ,${enable_languages},:${have_gmp}:${need_gmp} in
1250 *,${language},*:no:yes)
1251 # Specifically requested language; tell them.
1252 AC_MSG_ERROR([GMP with MPFR support is required to build $language])
1260 # Disable a language that is unsupported by the target.
1261 case " $unsupported_languages " in
1267 case $add_this_lang in
1269 # Remove language-dependent dirs.
1270 eval noconfigdirs='"$noconfigdirs "'\"$target_libs $lang_dirs\"
1273 new_enable_languages="$new_enable_languages,$language"
1274 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
1275 case ${boot_language} in
1277 # Add to (comma-separated) list of stage 1 languages.
1278 stage1_languages="${stage1_languages},${language}"
1287 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
1288 if test "x$missing_languages" != x; then
1290 The following requested languages could not be built: ${missing_languages}
1291 Recognised languages are: ${potential_languages}])
1294 if test "x$new_enable_languages" != "x$enable_languages"; then
1295 echo The following languages will be built: ${new_enable_languages}
1297 enable_languages="$new_enable_languages"
1298 ac_configure_args=`echo " $ac_configure_args" | sed -e 's/ --enable-languages=[[^ ]]*//' -e 's/$/ --enable-languages='"$enable_languages"/ `
1301 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
1302 # $build_configdirs and $target_configdirs.
1303 # If we have the source for $noconfigdirs entries, add them to $notsupp.
1306 for dir in . $skipdirs $noconfigdirs ; do
1307 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
1308 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1309 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
1310 if test -r $srcdir/$dirname/configure ; then
1311 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1314 notsupp="$notsupp $dir"
1318 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1319 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"`
1320 if test -r $srcdir/$dirname/configure ; then
1321 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1324 notsupp="$notsupp $dir"
1328 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1329 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
1330 if test -r $srcdir/$dirname/configure ; then
1331 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1334 notsupp="$notsupp $dir"
1340 # Sometimes the tools are distributed with libiberty but with no other
1341 # libraries. In that case, we don't want to build target-libiberty.
1342 if test -n "${target_configdirs}" ; then
1344 for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do
1345 if test "$i" != "libiberty" ; then
1346 if test -r $srcdir/$i/configure ; then
1352 if test -z "${others}" ; then
1357 # Quietly strip out all directories which aren't configurable in this tree.
1358 # This relies on all configurable subdirectories being autoconfiscated, which
1360 build_configdirs_all="$build_configdirs"
1362 for i in ${build_configdirs_all} ; do
1363 j=`echo $i | sed -e s/build-//g`
1364 if test -f ${srcdir}/$j/configure ; then
1365 build_configdirs="${build_configdirs} $i"
1369 configdirs_all="$configdirs"
1371 for i in ${configdirs_all} ; do
1372 if test -f ${srcdir}/$i/configure ; then
1373 configdirs="${configdirs} $i"
1377 target_configdirs_all="$target_configdirs"
1379 for i in ${target_configdirs_all} ; do
1380 j=`echo $i | sed -e s/target-//g`
1381 if test -f ${srcdir}/$j/configure ; then
1382 target_configdirs="${target_configdirs} $i"
1386 # Produce a warning message for the subdirs we can't configure.
1387 # This isn't especially interesting in the Cygnus tree, but in the individual
1388 # FSF releases, it's important to let people know when their machine isn't
1389 # supported by the one or two programs in a package.
1391 if test -n "${notsupp}" && test -z "${norecursion}" ; then
1392 # If $appdirs is non-empty, at least one of those directories must still
1393 # be configured, or we error out. (E.g., if the gas release supports a
1394 # specified target in some subdirs but not the gas subdir, we shouldn't
1395 # pretend that all is well.)
1396 if test -n "$appdirs" ; then
1397 for dir in $appdirs ; do
1398 if test -r $dir/Makefile.in ; then
1399 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1403 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
1409 if test -n "$appdirs" ; then
1410 echo "*** This configuration is not supported by this package." 1>&2
1414 # Okay, some application will build, or we don't care to check. Still
1415 # notify of subdirs not getting built.
1416 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
1417 echo " ${notsupp}" 1>&2
1418 echo " (Any other directories should still work fine.)" 1>&2
1428 AC_ARG_WITH([build-sysroot],
1429 [ --with-build-sysroot=sysroot
1430 use sysroot as the system root during the build],
1431 [if test x"$withval" != x ; then
1432 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval"
1434 [SYSROOT_CFLAGS_FOR_TARGET=])
1435 AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET)
1437 # Handle --with-headers=XXX. If the value is not "yes", the contents of
1438 # the named directory are copied to $(tooldir)/sys-include.
1439 if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
1440 if test x${is_cross_compiler} = xno ; then
1441 echo 1>&2 '***' --with-headers is only supported when cross compiling
1444 if test x"${with_headers}" != xyes ; then
1445 case "${exec_prefixoption}" in
1447 *) x=${exec_prefix} ;;
1449 copy_dirs="${copy_dirs} ${with_headers} $x/${target_alias}/sys-include"
1453 # Handle --with-libs=XXX. If the value is not "yes", the contents of
1454 # the name directories are copied to $(tooldir)/lib. Multiple directories
1456 if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
1457 if test x${is_cross_compiler} = xno ; then
1458 echo 1>&2 '***' --with-libs is only supported when cross compiling
1461 if test x"${with_libs}" != xyes ; then
1462 # Copy the libraries in reverse order, so that files in the first named
1463 # library override files in subsequent libraries.
1464 case "${exec_prefixoption}" in
1466 *) x=${exec_prefix} ;;
1468 for l in ${with_libs}; do
1469 copy_dirs="$l $x/${target_alias}/lib ${copy_dirs}"
1474 # Handle ${copy_dirs}
1475 set fnord ${copy_dirs}
1477 while test $# != 0 ; do
1478 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
1481 echo Copying $1 to $2
1483 # Use the install script to create the directory and all required
1484 # parent directories.
1485 if test -d $2 ; then
1489 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
1492 # Copy the directory, assuming we have tar.
1493 # FIXME: Should we use B in the second tar? Not all systems support it.
1494 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
1496 # It is the responsibility of the user to correctly adjust all
1497 # symlinks. If somebody can figure out how to handle them correctly
1498 # here, feel free to add the code.
1505 extra_arflags_for_target=
1506 extra_nmflags_for_target=
1507 extra_ranlibflags_for_target=
1508 target_makefile_frag=/dev/null
1511 target_makefile_frag="config/mt-netware"
1513 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu)
1514 target_makefile_frag="config/mt-gnu"
1516 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
1517 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
1518 # commands to handle both 32-bit and 64-bit objects. These flags are
1519 # harmless if we're using GNU nm or ar.
1520 extra_arflags_for_target=" -X32_64"
1521 extra_nmflags_for_target=" -B -X32_64"
1522 target_makefile_frag="config/mt-ppc-aix"
1525 # ranlib from Darwin requires the -c flag to look at common symbols.
1526 extra_ranlibflags_for_target=" -c"
1528 mips*-*-pe | sh*-*-pe | *arm-wince-pe)
1529 target_makefile_frag="config/mt-wince"
1533 alphaieee_frag=/dev/null
1536 # This just makes sure to use the -mieee option to build target libs.
1537 # This should probably be set individually by each library.
1538 alphaieee_frag="config/mt-alphaieee"
1542 # If --enable-target-optspace always use -Os instead of -O2 to build
1543 # the target libraries, similarly if it is not specified, use -Os
1544 # on selected platforms.
1545 ospace_frag=/dev/null
1546 case "${enable_target_optspace}:${target}" in
1548 ospace_frag="config/mt-ospace"
1551 ospace_frag="config/mt-d30v"
1553 :m32r-* | :d10v-* | :fr30-*)
1554 ospace_frag="config/mt-ospace"
1559 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
1563 # Set with_gnu_as and with_gnu_ld as appropriate.
1565 # This is done by determining whether or not the appropriate directory
1566 # is available, and by checking whether or not specific configurations
1567 # have requested that this magic not happen.
1569 # The command line options always override the explicit settings in
1570 # configure.in, and the settings in configure.in override this magic.
1572 # If the default for a toolchain is to use GNU as and ld, and you don't
1573 # want to do that, then you should use the --without-gnu-as and
1574 # --without-gnu-ld options for the configure script.
1576 if test x${use_gnu_as} = x &&
1577 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
1579 extra_host_args="$extra_host_args --with-gnu-as"
1582 if test x${use_gnu_ld} = x &&
1583 echo " ${configdirs} " | grep " ld " > /dev/null 2>&1 ; then
1585 extra_host_args="$extra_host_args --with-gnu-ld"
1588 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
1589 # can detect this case.
1591 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
1593 extra_host_args="$extra_host_args --with-newlib"
1596 # Default to using --with-stabs for certain targets.
1597 if test x${with_stabs} = x ; then
1599 mips*-*-irix[[56]]*)
1601 mips*-*-* | alpha*-*-osf*)
1603 extra_host_args="${extra_host_args} --with-stabs"
1608 # hpux11 in 64bit mode has libraries in a weird place. Arrange to find
1609 # them automatically.
1612 extra_host_args="$extra_host_args -x-libraries=/usr/lib/pa20_64 -x-includes=/usr/X11R6/include"
1616 # Some systems (e.g., one of the i386-aix systems the gas testers are
1617 # using) don't handle "\$" correctly, so don't use it here.
1618 tooldir='${exec_prefix}'/${target_alias}
1619 build_tooldir=${tooldir}
1621 # Create a .gdbinit file which runs the one in srcdir
1622 # and tells GDB to look there for source files.
1624 if test -r ${srcdir}/.gdbinit ; then
1627 *) cat > ./.gdbinit <<EOF
1631 source ${srcdir}/.gdbinit
1637 # Make sure that the compiler is able to generate an executable. If it
1638 # can't, we are probably in trouble. We don't care whether we can run the
1639 # executable--we might be using a cross compiler--we only care whether it
1640 # can be created. At this point the main configure script has set CC.
1642 echo "int main () { return 0; }" > conftest.c
1643 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
1644 if test $? = 0 ; then
1645 if test -s conftest || test -s conftest.exe ; then
1651 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
1652 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
1659 # The Solaris /usr/ucb/cc compiler does not appear to work.
1661 sparc-sun-solaris2*)
1662 CCBASE="`echo ${CC-cc} | sed 's/ .*$//'`"
1663 if test "`type $CCBASE | sed 's/^[[^/]]*//'`" = "/usr/ucb/cc" ; then
1665 test -d /opt/SUNWspro/bin && could_use="/opt/SUNWspro/bin"
1666 if test -d /opt/cygnus/bin ; then
1667 if test "$could_use" = "" ; then
1668 could_use="/opt/cygnus/bin"
1670 could_use="$could_use or /opt/cygnus/bin"
1673 if test "$could_use" = "" ; then
1674 echo "Warning: compilation may fail because you're using"
1675 echo "/usr/ucb/cc. You should change your PATH or CC "
1676 echo "variable and rerun configure."
1678 echo "Warning: compilation may fail because you're using"
1679 echo "/usr/ucb/cc, when you should use the C compiler from"
1680 echo "$could_use. You should change your"
1681 echo "PATH or CC variable and rerun configure."
1688 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
1689 *-*-darwin* | *-*-rhapsody* ) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;;
1690 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
1693 # Record target_configdirs and the configure arguments for target and
1694 # build configuration in Makefile.
1695 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
1696 build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
1698 # Determine whether gdb needs tk/tcl or not.
1699 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
1700 # and in that case we want gdb to be built without tk. Ugh!
1701 # In fact I believe gdb is the *only* package directly dependent on tk,
1702 # so we should be able to put the 'maybe's in unconditionally and
1703 # leave out the maybe dependencies when enable_gdbtk is false. I'm not
1704 # 100% sure that that's safe though.
1706 gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
1707 case "$enable_gdbtk" in
1711 GDB_TK="${gdb_tk}" ;;
1713 # Only add the dependency on gdbtk when GDBtk is part of the gdb
1714 # distro. Eventually someone will fix this and move Insight, nee
1715 # gdbtk to a separate directory.
1716 if test -d ${srcdir}/gdb/gdbtk ; then
1723 CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g`
1724 INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g`
1726 # Strip out unwanted targets.
1728 # While at that, we remove Makefiles if we were started for recursive
1729 # configuration, so that the top-level Makefile reconfigures them,
1730 # like we used to do when configure itself was recursive.
1732 # Loop over modules. $extrasub must be used with care, limiting as
1733 # much as possible the usage of range addresses. That's because autoconf
1734 # splits the sed script to overcome limits in the number of commands,
1735 # and relying on carefully-timed sed passes may turn out to be very hard
1736 # to maintain later. In this particular case, you just have to be careful
1737 # not to nest @if/@endif pairs, because configure will not warn you at all.
1739 AC_ARG_ENABLE([bootstrap],
1740 [ --enable-bootstrap[=lean] Enable bootstrapping [no]],,
1741 enable_bootstrap=default)
1743 # Issue errors and warnings for invalid/strange bootstrap combinations.
1744 case "$configdirs" in
1745 *gcc*) have_compiler=yes ;;
1746 *) have_compiler=no ;;
1749 case "$have_compiler:$host:$target:$enable_bootstrap" in
1752 # Default behavior. Enable bootstrap if we have a compiler
1753 # and we are in a native configuration.
1754 yes:$build:$build:default)
1755 enable_bootstrap=yes ;;
1758 enable_bootstrap=no ;;
1760 # We have a compiler and we are in a native configuration, bootstrap is ok
1761 yes:$build:$build:yes | yes:$build:$build:lean)
1764 # Other configurations, but we have a compiler. Assume the user knows
1766 yes:*:*:yes | yes:*:*:lean)
1767 AC_MSG_WARN([trying to bootstrap a cross compiler])
1770 # No compiler: if they passed --enable-bootstrap explicitly, fail
1771 no:*:*:yes | no:*:*:lean)
1772 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
1774 # Fail if wrong command line
1776 AC_MSG_ERROR([invalid option for --enable-bootstrap])
1780 # Adjust the toplevel makefile according to whether bootstrap was selected.
1781 case "$enable_bootstrap" in
1784 bootstrap_suffix=bootstrap ;;
1787 bootstrap_suffix=bootstrap ;;
1789 bootstrap_suffix=no-bootstrap ;;
1791 AC_SUBST(bootstrap_lean)
1793 for module in ${build_configdirs} ; do
1794 if test -z "${no_recursion}" \
1795 && test -f ${build_subdir}/${module}/Makefile; then
1796 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
1797 rm -f ${build_subdir}/${module}/Makefile
1800 /^@if build-$module\$/d
1801 /^@endif build-$module\$/d
1802 /^@if build-$module-$bootstrap_suffix\$/d
1803 /^@endif build-$module-$bootstrap_suffix\$/d"
1805 for module in ${configdirs} ; do
1806 if test -z "${no_recursion}" \
1807 && test -f ${module}/Makefile; then
1808 echo 1>&2 "*** removing ${module}/Makefile to force reconfigure"
1809 rm -f ${module}/Makefile
1813 /^@endif $module\$/d
1814 /^@if $module-$bootstrap_suffix\$/d
1815 /^@endif $module-$bootstrap_suffix\$/d"
1817 for module in ${target_configdirs} ; do
1818 if test -z "${no_recursion}" \
1819 && test -f ${target_subdir}/${module}/Makefile; then
1820 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
1821 rm -f ${target_subdir}/${module}/Makefile
1824 /^@if target-$module\$/d
1825 /^@endif target-$module\$/d
1826 /^@if target-$module-$bootstrap_suffix\$/d
1827 /^@endif target-$module-$bootstrap_suffix\$/d"
1831 /^@if /,/^@endif /d"
1833 # Create the serialization dependencies. This uses a temporary file.
1835 AC_ARG_ENABLE([serial-configure],
1836 [ --enable-serial-[{host,target,build}-]configure
1837 Force sequential configuration of
1838 sub-packages for the host, target or build
1839 machine, or all sub-packages])
1841 case ${enable_serial_configure} in
1843 enable_serial_build_configure=yes
1844 enable_serial_host_configure=yes
1845 enable_serial_target_configure=yes
1849 # These force 'configure's to be done one at a time, to avoid problems
1850 # with contention over a shared config.cache.
1852 echo '# serdep.tmp' > serdep.tmp
1854 test "x${enable_serial_build_configure}" = xyes &&
1855 for item in ${build_configdirs} ; do
1858 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
1863 test "x${enable_serial_host_configure}" = xyes &&
1864 for item in ${configdirs} ; do
1867 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
1872 test "x${enable_serial_target_configure}" = xyes &&
1873 for item in ${target_configdirs} ; do
1876 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
1880 serialization_dependencies=serdep.tmp
1881 AC_SUBST_FILE(serialization_dependencies)
1883 # Base args. Strip norecursion, cache-file, srcdir, host, build,
1884 # target and nonopt. These are the ones we might not want to pass
1885 # down to subconfigures. Also strip program-prefix, program-suffix,
1886 # and program-transform-name, so that we can pass down a consistent
1887 # program-transform-name. If autoconf has put single quotes around
1888 # any of these arguments (because they contain shell metacharacters)
1889 # then this will fail; in practice this only happens for
1890 # --program-transform-name, so be sure to override --program-transform-name
1891 # at the end of the argument list.
1892 # These will be expanded by make, so quote '$'.
1893 cat <<\EOF_SED > conftestsed
1895 s/ --c[[a-z-]]*[[= ]][[^ ]]*//g
1896 s/ --sr[[a-z-]]*[[= ]][[^ ]]*//g
1897 s/ --ho[[a-z-]]*[[= ]][[^ ]]*//g
1898 s/ --bu[[a-z-]]*[[= ]][[^ ]]*//g
1899 s/ --t[[a-z-]]*[[= ]][[^ ]]*//g
1900 s/ --program-[[pst]][[a-z-]]*[[= ]][[^ ]]*//g
1901 s/ -cache-file[[= ]][[^ ]]*//g
1902 s/ -srcdir[[= ]][[^ ]]*//g
1903 s/ -host[[= ]][[^ ]]*//g
1904 s/ -build[[= ]][[^ ]]*//g
1905 s/ -target[[= ]][[^ ]]*//g
1906 s/ -program-prefix[[= ]][[^ ]]*//g
1907 s/ -program-suffix[[= ]][[^ ]]*//g
1908 s/ -program-transform-name[[= ]][[^ ]]*//g
1909 s/ [[^' -][^ ]*] / /
1913 sed -f conftestsed <<EOF_SED > conftestsed.out
1914 ${ac_configure_args}
1916 baseargs=`cat conftestsed.out`
1917 rm -f conftestsed conftestsed.out
1919 # Add in --program-transform-name, after --program-prefix and
1920 # --program-suffix have been applied to it. Autoconf has already
1921 # doubled dollar signs and backslashes in program_transform_name; we want
1922 # the backslashes un-doubled, and then the entire thing wrapped in single
1923 # quotes, because this will be expanded first by make and then by the shell.
1924 # Also, because we want to override the logic in subdir configure scripts to
1925 # choose program_transform_name, replace any s,x,x, with s,y,y,.
1926 sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
1927 ${program_transform_name}
1929 gcc_transform_name=`cat conftestsed.out`
1930 rm -f conftestsed.out
1931 baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
1933 # For the build-side libraries, we just need to pretend we're native,
1934 # and not use the same cache file. Multilibs are neither needed nor
1936 build_configargs="--cache-file=../config.cache --build=${build_alias} --host=${build_alias} --target=${target_alias} ${baseargs}"
1938 # For host modules, accept cache file option, or specification as blank.
1939 case "${cache_file}" in
1941 cache_file_option="" ;;
1942 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
1943 cache_file_option="--cache-file=${cache_file}" ;;
1945 cache_file_option="--cache-file=../${cache_file}" ;;
1948 # Host dirs don't like to share a cache file either, horribly enough.
1949 # This seems to be due to autoconf 2.5x stupidity.
1950 host_configargs="--cache-file=./config.cache --build=${build_alias} --host=${host_alias} --target=${target_alias} ${extra_host_args} ${baseargs}"
1952 target_configargs=${baseargs}
1954 # Passing a --with-cross-host argument lets the target libraries know
1955 # whether they are being built with a cross-compiler or being built
1956 # native. However, it would be better to use other mechanisms to make the
1957 # sorts of decisions they want to make on this basis. Please consider
1958 # this option to be deprecated. FIXME.
1959 if test x${is_cross_compiler} = xyes ; then
1960 target_configargs="--with-cross-host=${host_alias} ${target_configargs}"
1963 # Default to --enable-multilib.
1964 if test x${enable_multilib} = x ; then
1965 target_configargs="--enable-multilib ${target_configargs}"
1968 # Pass --with-newlib if appropriate. Note that target_configdirs has
1969 # changed from the earlier setting of with_newlib.
1970 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
1971 target_configargs="--with-newlib ${target_configargs}"
1974 # Different target subdirs use different values of certain variables
1975 # (notably CXX). Worse, multilibs use *lots* of different values.
1976 # Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
1977 # it doesn't automatically accept command-line overrides of them.
1978 # This means it's not safe for target subdirs to share a cache file,
1979 # which is disgusting, but there you have it. Hopefully this can be
1980 # fixed in future. It's still worthwhile to use a cache file for each
1981 # directory. I think.
1983 # Pass the appropriate --build, --host, --target and --cache-file arguments.
1984 # We need to pass --target, as newer autoconf's requires consistency
1985 # for target_alias and gcc doesn't manage it consistently.
1986 target_configargs="--cache-file=./config.cache --build=${build_alias} --host=${target_alias} --target=${target_alias} ${target_configargs}"
1989 case " $target_configdirs " in
1991 case " $target_configargs " in
1992 *" --with-newlib "*)
1995 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 $$s/winsup/w32api/include' ;;
1998 # If we're not building GCC, don't discard standard headers.
1999 if test -d ${srcdir}/gcc; then
2000 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
2002 if test "${build}" != "${host}"; then
2003 # On Canadian crosses, CC_FOR_TARGET will have already been set
2004 # by `configure', so we won't have an opportunity to add -Bgcc/
2005 # to it. This is right: we don't want to search that directory
2006 # for binaries, but we want the header files in there, so add
2008 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include'
2010 # Someone might think of using the pre-installed headers on
2011 # Canadian crosses, in case the installed compiler is not fully
2012 # compatible with the compiler being built. In this case, it
2013 # would be better to flag an error than risking having
2014 # incompatible object files being constructed. We can't
2015 # guarantee that an error will be flagged, but let's hope the
2016 # compiler will do it, when presented with incompatible header
2021 case "${target}-${is_cross_compiler}" in
2022 i[[3456789]]86-*-linux*-no)
2023 # Here host == target, so we don't need to build gcc,
2024 # so we don't want to discard standard headers.
2025 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
2028 # If we're building newlib, use its generic headers last, but search
2029 # for any libc-related directories first (so make it the last -B
2031 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
2039 # Allow the user to override the flags for
2040 # our build compiler if desired.
2041 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
2043 # On Canadian crosses, we'll be searching the right directories for
2044 # the previously-installed cross compiler, so don't bother to add
2045 # flags for directories within the install tree of the compiler
2046 # being built; programs in there won't even run.
2047 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
2048 # Search for pre-installed headers if nothing else fits.
2049 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
2052 if test "x${use_gnu_ld}" = x &&
2053 echo " ${configdirs} " | grep " ld " > /dev/null ; then
2054 # Arrange for us to find uninstalled linker scripts.
2055 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld'
2058 # Makefile fragments.
2059 for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
2061 eval fragval=\$$frag
2062 if test $fragval != /dev/null; then
2063 eval $frag=${srcdir}/$fragval
2066 AC_SUBST_FILE(host_makefile_frag)
2067 AC_SUBST_FILE(target_makefile_frag)
2068 AC_SUBST_FILE(alphaieee_frag)
2069 AC_SUBST_FILE(ospace_frag)
2071 # Miscellanea: directories, flags, etc.
2072 AC_SUBST(RPATH_ENVVAR)
2073 AC_SUBST(BUILD_PREFIX)
2074 AC_SUBST(BUILD_PREFIX_1)
2076 AC_SUBST(build_tooldir)
2077 AC_SUBST(CONFIGURE_GDB_TK)
2079 AC_SUBST(INSTALL_GDB_TK)
2081 # Build module lists & subconfigure args.
2082 AC_SUBST(build_configargs)
2083 AC_SUBST(build_configdirs)
2085 # Host module lists & subconfigure args.
2086 AC_SUBST(host_configargs)
2087 AC_SUBST(configdirs)
2089 # Target module lists & subconfigure args.
2090 AC_SUBST(target_configargs)
2091 AC_SUBST(target_configdirs)
2094 AC_SUBST(CC_FOR_BUILD)
2095 AC_SUBST(config_shell)
2097 # Generate default definitions for YACC, M4, LEX and other programs that run
2098 # on the build machine. These are used if the Makefile can't locate these
2099 # programs in objdir.
2100 MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
2102 AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
2103 case " $build_configdirs " in
2104 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;;
2105 *" byacc "*) YACC='$$r/$(BUILD_SUBDIR)/byacc/byacc' ;;
2108 AC_CHECK_PROGS([BISON], [bison], [$MISSING bison])
2109 case " $build_configdirs " in
2110 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;;
2113 AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4])
2114 case " $build_configdirs " in
2115 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;;
2118 AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex])
2119 case " $build_configdirs " in
2120 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
2121 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;;
2124 AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex])
2125 case " $build_configdirs " in
2126 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
2129 AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo])
2130 case " $build_configdirs " in
2131 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;;
2134 # For an installed makeinfo, we require it to be from texinfo 4.2 or
2135 # higher, else we use the "missing" dummy.
2136 if ${MAKEINFO} --version \
2137 | egrep 'texinfo[^0-9]*([1-3][0-9]|4\.[2-9]|[5-9])' >/dev/null 2>&1; then
2140 MAKEINFO="$MISSING makeinfo"
2146 # FIXME: expect and dejagnu may become build tools?
2148 AC_CHECK_PROGS(EXPECT, expect, expect)
2149 case " $configdirs " in
2151 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect'
2155 AC_CHECK_PROGS(RUNTEST, runtest, runtest)
2156 case " $configdirs " in
2158 test $host = $build && RUNTEST='$$r/$(HOST_SUBDIR)/dejagnu/runtest'
2164 NCN_STRICT_CHECK_TOOLS(AR, ar)
2165 NCN_STRICT_CHECK_TOOLS(AS, as)
2166 NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool)
2167 NCN_STRICT_CHECK_TOOLS(LD, ld)
2168 NCN_STRICT_CHECK_TOOLS(LIPO, lipo)
2169 NCN_STRICT_CHECK_TOOLS(NM, nm)
2170 NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, :)
2171 NCN_STRICT_CHECK_TOOLS(STRIP, strip, :)
2172 NCN_STRICT_CHECK_TOOLS(WINDRES, windres)
2173 NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy)
2174 NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump)
2178 AC_SUBST(CFLAGS_FOR_BUILD)
2182 NCN_STRICT_CHECK_TARGET_TOOLS(AR_FOR_TARGET, ar)
2183 NCN_STRICT_CHECK_TARGET_TOOLS(AS_FOR_TARGET, as)
2184 NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc)
2185 NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx)
2186 NCN_STRICT_CHECK_TARGET_TOOLS(DLLTOOL_FOR_TARGET, dlltool)
2187 NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET})
2188 NCN_STRICT_CHECK_TARGET_TOOLS(GCJ_FOR_TARGET, gcj)
2189 NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran)
2190 NCN_STRICT_CHECK_TARGET_TOOLS(LD_FOR_TARGET, ld)
2191 NCN_STRICT_CHECK_TARGET_TOOLS(LIPO_FOR_TARGET, lipo)
2192 NCN_STRICT_CHECK_TARGET_TOOLS(NM_FOR_TARGET, nm)
2193 NCN_STRICT_CHECK_TARGET_TOOLS(OBJDUMP_FOR_TARGET, objdump)
2194 NCN_STRICT_CHECK_TARGET_TOOLS(RANLIB_FOR_TARGET, ranlib, :)
2195 NCN_STRICT_CHECK_TARGET_TOOLS(STRIP_FOR_TARGET, strip)
2196 NCN_STRICT_CHECK_TARGET_TOOLS(WINDRES_FOR_TARGET, windres)
2198 RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET"
2200 GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar])
2201 GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new])
2202 GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
2203 GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX,
2204 [gcc/g++ -B$$r/$(HOST_SUBDIR)/gcc/ -nostdinc++ `test ! -f $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags || $(SHELL) $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags --build-includes` -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs],
2206 GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX,
2207 [gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs],
2209 GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool])
2210 GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
2211 GCC_TARGET_TOOL(gcj, GCJ_FOR_TARGET, GCJ,
2212 [gcc/gcj -B$$r/$(HOST_SUBDIR)/gcc/], java)
2213 GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN,
2214 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran)
2215 GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new])
2216 GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO)
2217 GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new])
2218 GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump])
2219 GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib])
2220 GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip])
2221 GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres])
2223 AC_SUBST(FLAGS_FOR_TARGET)
2224 AC_SUBST(RAW_CXX_FOR_TARGET)
2226 # Certain tools may need extra flags.
2227 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
2228 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
2229 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
2231 # When building target libraries, except in a Canadian cross, we use
2232 # the same toolchain as the compiler we just built.
2233 COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)'
2234 COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)'
2235 COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)'
2236 if test $host = $build; then
2237 case " $configdirs " in
2239 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as'
2240 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld'
2241 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target}
2246 AC_SUBST(COMPILER_AS_FOR_TARGET)
2247 AC_SUBST(COMPILER_LD_FOR_TARGET)
2248 AC_SUBST(COMPILER_NM_FOR_TARGET)
2250 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
2251 AC_ARG_ENABLE(maintainer-mode,
2252 [ --enable-maintainer-mode enable make rules and dependencies not useful
2253 (and sometimes confusing) to the casual installer],
2254 USE_MAINTAINER_MODE=$enableval,
2255 USE_MAINTAINER_MODE=no)
2256 AC_MSG_RESULT($USE_MAINTAINER_MODE)
2257 AC_SUBST(MAINTAINER_MODE_TRUE)
2258 AC_SUBST(MAINTAINER_MODE_FALSE)
2259 if test "$USE_MAINTAINER_MODE" = yes; then
2260 MAINTAINER_MODE_TRUE=
2261 MAINTAINER_MODE_FALSE='#'
2263 MAINTAINER_MODE_TRUE='#'
2264 MAINTAINER_MODE_FALSE=
2266 MAINT=$MAINTAINER_MODE_TRUE
2269 # ---------------------
2270 # GCC bootstrap support
2271 # ---------------------
2273 # Stage specific cflags for build.
2278 yes) stage1_cflags="-g -Wa,-J" ;;
2279 *) stage1_cflags="-g -J" ;;
2282 # The spiffy cpp-precomp chokes on some legitimate constructs in GCC
2283 # sources; use -no-cpp-precomp to get to GNU cpp.
2284 # Apple's GCC has bugs in designated initializer handling, so disable
2286 stage1_cflags="-g -no-cpp-precomp -DHAVE_DESIGNATED_INITIALIZERS=0"
2289 AC_SUBST(stage1_cflags)
2291 # It makes debugging easier if we create as symlinks the stage directories
2292 # gcc for stageN-gcc and stagePREV-gcc for stage(N-1). In case this is not
2293 # possible, however, we can resort to mv.
2294 AC_CACHE_CHECK([if symbolic links between directories work],
2295 [gcc_cv_prog_ln_s_dir],
2296 [if test "${LN_S}" = "ln -s" \
2297 && mkdir confdir.s1 \
2298 && ln -s confdir.s1 confdir.s2 \
2299 && echo timestamp1 > confdir.s1/conftest.1 \
2300 && cmp confdir.s1/conftest.1 confdir.s2/conftest.1 \
2301 && echo timestamp2 > confdir.s2/conftest.2 \
2302 && cmp confdir.s1/conftest.2 confdir.s1/conftest.2 \
2303 && rm -f confdir.s2; then
2304 gcc_cv_prog_ln_s_dir=yes
2306 gcc_cv_prog_ln_s_dir=no
2308 rm -rf confdir.s1 confdir.s2])
2310 case ${gcc_cv_prog_ln_s_dir} in
2312 CREATE_LINK_TO_DIR='ln -s $$1 $$2'
2313 UNDO_LINK_TO_DIR='rm -f $$1' ;;
2315 CREATE_LINK_TO_DIR='mv $$1 $$2'
2316 UNDO_LINK_TO_DIR='mv $$1 $$2' ;;
2318 AC_SUBST(CREATE_LINK_TO_DIR)
2319 AC_SUBST(UNDO_LINK_TO_DIR)
2321 # Enable -Werror in bootstrap stage2 and later.
2322 # Change the default to "no" on release branches.
2323 AC_ARG_ENABLE(werror,
2324 [ --enable-werror enable -Werror in bootstrap stage2 and later], [],
2325 [enable_werror=yes])
2326 case ${enable_werror} in
2327 yes) stage2_werror_flag="--enable-werror-always" ;;
2328 *) stage2_werror_flag="" ;;
2330 AC_SUBST(stage2_werror_flag)