1 # Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998,
2 # 1999, 2000, 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
4 # This file is free software; you can redistribute it and/or modify it
5 # under the terms of the GNU General Public License as published by
6 # the Free Software Foundation; either version 2 of the License, or
7 # (at your option) any later version.
9 # This program is distributed in the hope that it will be useful, but
10 # WITHOUT ANY WARRANTY; without even the implied warranty of
11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 # General Public License for more details.
14 # You should have received a copy of the GNU General Public License
15 # along with this program; if not, write to the Free Software
16 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
18 ##############################################################################
19 ### WARNING: this file contains embedded tabs. Do not run untabify on this file.
21 sinclude(config/acx.m4)
23 AC_INIT(move-if-change)
28 # Get 'install' or 'install-sh' and its variants.
33 ### we might need to use some other shell than /bin/sh for running subshells
34 ### If we are on Windows, search for the shell. This will permit people
35 ### to not have /bin/sh, but to be able to see /SOME/PATH/sh configure
36 ### without also having to set CONFIG_SHELL. This code will work when
37 ### using bash, which sets OSTYPE.
40 if test x${CONFIG_SHELL} = x ; then
41 if test ! -f /bin/sh ; then
42 if test x${SHELL} != x && test -f ${SHELL} ; then
46 for prog in sh sh.exe bash bash.exe; do
47 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
49 test -z "$dir" && dir=.
50 if test -f $dir/$prog; then
51 CONFIG_SHELL=$dir/$prog
57 test -n "${CONFIG_SHELL}" && break
65 config_shell=${CONFIG_SHELL-/bin/sh}
68 # if PWD already has a value, it is probably wrong.
69 if test -n "$PWD" ; then PWD=`${PWDCMD-pwd}`; fi
71 # Export original configure arguments for use by sub-configures. These
72 # will be expanded by make, so quote '$'.
74 sed -e 's,\$,$$,g' <<EOF_SED > conftestsed.out
77 TOPLEVEL_CONFIGURE_ARGUMENTS=`cat conftestsed.out`
79 AC_SUBST(TOPLEVEL_CONFIGURE_ARGUMENTS)
81 moveifchange=${srcdir}/move-if-change
83 srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}`
85 # We pass INSTALL explicitly to sub-makes. Make sure that it is not
87 if test "$INSTALL" = "${srcdir}/install-sh -c"; then
88 INSTALL="${srcpwd}/install-sh -c"
91 # Set srcdir to "." if that's what it is.
92 # This is important for multilib support.
94 if test "${pwd}" = "${srcpwd}" ; then
102 ### To add a new directory to the tree, first choose whether it is a target
103 ### or a host dependent tool. Then put it into the appropriate list
104 ### (library or tools, host or target), doing a dependency sort.
106 # Subdirs will be configured in the order listed in build_configdirs,
107 # configdirs, or target_configdirs; see the serialization section below.
109 # Dependency sorting is only needed when *configuration* must be done in
110 # a particular order. In all cases a dependency should be specified in
111 # the Makefile, whether or not it's implicitly specified here.
113 # Double entries in build_configdirs, configdirs, or target_configdirs may
114 # cause circular dependencies and break everything horribly.
116 # these library is used by various programs built for the build
119 build_libs="build-libiberty"
121 # these tools are built for the build environment
122 build_tools="build-texinfo build-byacc build-flex build-bison build-m4 build-fixincludes"
124 # these libraries are used by various programs built for the host environment
126 host_libs="intl mmalloc libiberty opcodes bfd readline tcl tk itcl libgui zlib libcpp"
128 # these tools are built for the host environment
129 # Note, the powerpc-eabi build depends on sim occurring before gdb in order to
130 # know that we are building the simulator.
131 # binutils, gas and ld appear in that order because it makes sense to run
132 # "make check" in that particular order.
133 host_tools="texinfo byacc flex bison binutils gas ld fixincludes gcc sid sim gdb make patch prms send-pr gprof etc expect dejagnu ash bash bzip2 m4 autoconf automake libtool diff rcs fileutils shellutils time textutils wdiff find uudecode hello tar gzip indent recode release sed utils guile perl gawk findutils gettext zip fastjar gnattools"
135 # libgcj represents the runtime libraries only used by gcj.
136 libgcj="target-libffi \
142 # these libraries are built for the target environment, and are built after
143 # the host libraries and the host tools (which may be a cross compiler)
145 target_libraries="target-libiberty \
148 target-libstdc++-v3 \
156 # these tools are built using the target libraries, and are intended to
157 # run only in the target environment
159 # note: any program that *uses* libraries that are in the "target_libraries"
160 # list belongs in this list. those programs are also very likely
161 # candidates for the "native_only" list which follows
163 target_tools="target-examples target-groff target-gperf target-rda"
165 ################################################################################
167 ## All tools belong in one of the four categories, and are assigned above
168 ## We assign ${configdirs} this way to remove all embedded newlines. This
169 ## is important because configure will choke if they ever get through.
170 ## ${configdirs} is directories we build using the host tools.
171 ## ${target_configdirs} is directories we build using the target tools.
172 configdirs=`echo ${host_libs} ${host_tools}`
173 target_configdirs=`echo ${target_libraries} ${target_tools}`
174 build_configdirs=`echo ${build_libs} ${build_tools}`
176 ################################################################################
178 srcname="gnu development package"
180 # This gets set non-empty for some net releases of packages.
183 # Define is_cross_compiler to save on calls to 'test'.
185 if test x"${host}" = x"${target}" ; then
188 is_cross_compiler=yes
191 # Find the build and target subdir names.
194 # Skipdirs are removed silently.
196 # Noconfigdirs are removed loudly.
200 # Make sure we don't let GNU ld be added if we didn't want it.
201 if test x$with_gnu_ld = xno ; then
203 noconfigdirs="$noconfigdirs ld"
207 # Make sure we don't let GNU as be added if we didn't want it.
208 if test x$with_gnu_as = xno ; then
210 noconfigdirs="$noconfigdirs gas"
213 # some tools are so dependent upon X11 that if we're not building with X,
214 # it's not even worth trying to configure, much less build, that tool.
217 yes | "") ;; # the default value for this tree is that X11 is available
219 skipdirs="${skipdirs} tk itcl libgui"
220 # We won't be able to build gdbtk without X.
223 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
226 # Some tools are only suitable for building in a "native" situation.
227 # Remove these if host!=target.
228 native_only="autoconf automake libtool fileutils find gawk gettext gzip hello indent m4 rcs recode sed shellutils tar textutils uudecode wdiff gprof target-groff guile perl time ash bash bzip2 prms gnuserv target-gperf"
230 # Similarly, some are only suitable for cross toolchains.
231 # Remove these if host=target.
232 cross_only="target-libgloss target-newlib target-opcodes"
234 case $is_cross_compiler in
235 no) skipdirs="${skipdirs} ${cross_only}" ;;
236 yes) skipdirs="${skipdirs} ${native_only}" ;;
239 # If both --with-headers and --with-libs are specified, default to
241 if test x"${with_headers}" != x && test x"${with_headers}" != xno \
242 && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
243 if test x"${with_newlib}" = x ; then
248 # Recognize --with-newlib/--without-newlib.
249 case ${with_newlib} in
250 no) skipdirs="${skipdirs} target-newlib" ;;
251 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
254 # Configure extra directories which are host specific
258 configdirs="$configdirs libtermcap" ;;
261 # A target can indicate whether a language isn't supported for some reason.
262 # Only spaces may be used in this macro; not newlines or tabs.
263 unsupported_languages=
265 # Remove more programs from consideration, based on the host or
266 # target this usually means that a port of the program doesn't
271 noconfigdirs="$noconfigdirs byacc"
273 i[[3456789]]86-*-vsta)
274 noconfigdirs="$noconfigdirs tcl expect dejagnu make texinfo bison patch flex byacc send-pr gprof uudecode dejagnu diff guile perl itcl gnuserv gettext"
276 i[[3456789]]86-*-go32* | i[[3456789]]86-*-msdosdjgpp*)
277 noconfigdirs="$noconfigdirs tcl tk expect dejagnu send-pr uudecode guile itcl gnuserv libffi"
279 i[[3456789]]86-*-mingw32*)
280 # noconfigdirs="tcl tk expect dejagnu make texinfo bison patch flex byacc send-pr uudecode dejagnu diff guile perl itcl gnuserv"
281 noconfigdirs="$noconfigdirs expect dejagnu autoconf automake send-pr rcs guile perl texinfo libtool"
283 i[[3456789]]86-*-beos*)
284 noconfigdirs="$noconfigdirs tk itcl libgui gdb"
287 noconfigdirs="$noconfigdirs autoconf automake send-pr rcs guile perl"
290 noconfigdirs="$noconfigdirs rcs"
293 noconfigdirs="$noconfigdirs patch diff make tk tcl expect dejagnu autoconf automake texinfo bison send-pr gprof rcs guile perl itcl gnuserv"
296 noconfigdirs="$noconfigdirs tk itcl libgui gdb dejagnu readline"
301 AC_ARG_ENABLE(libada,
302 [ --enable-libada Builds libada directory],
303 ENABLE_LIBADA=$enableval,
305 if test "${ENABLE_LIBADA}" != "yes" ; then
306 noconfigdirs="$noconfigdirs target-libada"
307 noconfigdirs="$noconfigdirs gnattools"
310 AC_ARG_ENABLE(libssp,
311 [ --enable-libssp Builds libssp directory],
312 ENABLE_LIBSSP=$enableval,
314 if test "${ENABLE_LIBSSP}" != "yes" ; then
315 noconfigdirs="$noconfigdirs target-libssp"
318 # Save it here so that, even in case of --enable-libgcj, if the Java
319 # front-end isn't enabled, we still get libgcj disabled.
321 case $enable_libgcj in
323 # If we reset it here, it won't get added to noconfigdirs in the
324 # target-specific build rules, so it will be forcibly enabled
325 # (unless the Java language itself isn't enabled).
329 # Make sure we get it printed in the list of not supported target libs.
330 noconfigdirs="$noconfigdirs ${libgcj}"
335 # Allow --disable-libmudflap to exclude target-libmudflap
336 case $enable_libmudflap in
340 noconfigdirs="$noconfigdirs target-libmudflap"
344 *-*-linux*-gnu | *-*-gnu* | *-*-k*bsd*-gnu)
345 # Enable libmudflap by default in GNU and friends.
348 # Enable libmudflap by default in FreeBSD.
351 # Disable it by default everywhere else.
352 noconfigdirs="$noconfigdirs target-libmudflap"
360 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
363 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes gdb gprof"
364 noconfigdirs="$noconfigdirs sim target-rda"
367 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes gdb gprof"
368 noconfigdirs="$noconfigdirs sim target-rda"
369 noconfigdirs="$noconfigdirs ${libgcj}"
371 *-*-freebsd[[12]] | *-*-freebsd[[12]].* | *-*-freebsd*aout*)
372 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
375 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
376 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
377 && test -f /usr/local/include/gmp.h; then
381 # Skip some stuff that's unsupported on some FreeBSD configurations.
386 noconfigdirs="$noconfigdirs ${libgcj}"
391 # Remove unsupported stuff on all kaOS configurations.
392 skipdirs="target-libiberty ${libgcj} target-libstdc++-v3 target-librx"
393 skipdirs="$skipdirs target-libobjc target-examples target-groff target-gperf"
394 skipdirs="$skipdirs zlib fastjar target-libjava target-boehm-gc target-zlib"
395 noconfigdirs="$noconfigdirs target-libgloss"
398 # Skip some stuff on all NetBSD configurations.
399 noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss"
401 # Skip some stuff that's unsupported on some NetBSD configurations.
403 i*86-*-netbsdelf*) ;;
404 arm*-*-netbsdelf*) ;;
406 noconfigdirs="$noconfigdirs ${libgcj}"
411 noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss ${libgcj} target-libmudflap"
414 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
416 # The tpf target doesn't support gdb yet.
418 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libiberty ${libgcj} target-libmudflap gdb tcl tk libgui itcl"
421 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-rda ${libgcj}"
424 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libiberty ${libgcj}"
427 noconfigdirs="$noconfigdirs target-libstdc++-v3"
430 # ld works, but does not support shared libraries.
431 # newlib is not 64 bit ready. I'm not sure about fileutils.
432 # gas doesn't generate exception information.
433 noconfigdirs="$noconfigdirs gas ld fileutils target-newlib target-libgloss"
436 noconfigdirs="$noconfigdirs gdb ld target-newlib target-libgloss ${libgcj}"
439 # newlib is not 64 bit ready
440 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
443 # newlib is not 64 bit ready
444 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
447 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
450 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
452 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
453 noconfigdirs="$noconfigdirs ${libgcj}"
454 noconfigdirs="$noconfigdirs target-examples"
455 noconfigdirs="$noconfigdirs target-libiberty texinfo send-pr"
456 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
457 noconfigdirs="$noconfigdirs expect dejagnu"
458 # the C++ libraries don't build on top of CE's C libraries
459 noconfigdirs="$noconfigdirs target-libstdc++-v3"
460 noconfigdirs="$noconfigdirs target-newlib"
462 *-*-cygwin*) ;; # keep gdb and readline
463 *) noconfigdirs="$noconfigdirs gdb readline"
468 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
472 arm-*-coff | strongarm-*-coff | xscale-*-coff)
473 noconfigdirs="$noconfigdirs ${libgcj}"
475 arm-*-elf* | strongarm-*-elf* | xscale-*-elf* | arm*-*-eabi* )
476 noconfigdirs="$noconfigdirs target-libffi target-qthreads"
479 noconfigdirs="$noconfigdirs ${libgcj} target-libiberty"
482 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
485 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
488 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
491 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
494 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
497 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
500 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
502 c54x*-*-* | tic54x-*-*)
503 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj} gcc gdb newlib"
505 cris-*-* | crisv32-*-*)
506 unsupported_languages="$unsupported_languages java"
509 unsupported_languages="$unsupported_languages f95"
510 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";;
512 unsupported_languages="$unsupported_languages f95"
513 noconfigdirs="$noconfigdirs target-boehm-gc";;
515 noconfigdirs="$noconfigdirs target-newlib target-libgloss";;
517 unsupported_languages="$unsupported_languages f95"
518 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss";;
522 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-mudflap ${libgcj}"
525 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
528 noconfigdirs="$noconfigdirs ${libgcj} gdb"
531 noconfigdirs="$noconfigdirs ${libgcj} gdb"
534 noconfigdirs="$noconfigdirs ${libgcj}"
537 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
540 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
542 hppa1.1-*-osf* | hppa1.1-*-bsd* )
544 hppa*64*-*-linux* | parisc*64*-*-linux*)
545 # In this case, it's because the hppa64-linux target is for
546 # the kernel only at this point and has no libc, and thus no
547 # headers, crt*.o, etc., all of which are needed by these.
548 noconfigdirs="$noconfigdirs target-zlib"
550 parisc*-*-linux* | hppa*-*-linux*)
556 noconfigdirs="$noconfigdirs ${libgcj}"
559 # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
560 # build on HP-UX 10.20.
561 noconfigdirs="$noconfigdirs ld shellutils ${libgcj}"
564 noconfigdirs="$noconfigdirs ${libgcj} gdb"
567 # No gdb support yet.
568 noconfigdirs="$noconfigdirs readline mmalloc libgui itcl gdb"
571 # No gdb or ld support yet.
572 noconfigdirs="$noconfigdirs ${libgcj} readline mmalloc libgui itcl gdb ld"
576 i[[3456789]]86-*-coff | i[[3456789]]86-*-elf)
577 noconfigdirs="$noconfigdirs ${libgcj}"
579 i[[3456789]]86-*-linux*)
580 # The GCC port for glibc1 has no MD_FALLBACK_FRAME_STATE_FOR, so let's
581 # not build java stuff by default.
584 noconfigdirs="$noconfigdirs ${libgcj}";;
587 # This section makes it possible to build newlib natively on linux.
588 # If we are using a cross compiler then don't configure newlib.
589 if test x${is_cross_compiler} != xno ; then
590 noconfigdirs="$noconfigdirs target-newlib"
592 noconfigdirs="$noconfigdirs target-libgloss"
593 # If we are not using a cross compiler, do configure newlib.
594 # Note however, that newlib will only be configured in this situation
595 # if the --with-newlib option has been given, because otherwise
596 # 'target-newlib' will appear in skipdirs.
598 i[[3456789]]86-*-mingw32*)
599 target_configdirs="$target_configdirs target-mingw"
600 noconfigdirs="$noconfigdirs expect target-libgloss ${libgcj}"
602 # Can't build gdb for mingw32 if not native.
604 i[[3456789]]86-*-mingw32) ;; # keep gdb tcl tk expect etc.
605 *) noconfigdirs="$noconfigdirs gdb tcl tk expect itcl gnuserv"
610 target_configdirs="$target_configdirs target-libtermcap target-winsup"
611 noconfigdirs="$noconfigdirs target-gperf target-libgloss ${libgcj}"
612 # always build newlib if winsup directory is present.
613 if test -d "$srcdir/winsup"; then
614 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
615 elif test -d "$srcdir/newlib"; then
616 echo "Warning: winsup is missing so newlib can't be built."
619 # Can't build gdb for Cygwin if not native.
621 *-*-cygwin*) ;; # keep gdb tcl tk expect etc.
622 *) noconfigdirs="$noconfigdirs gdb tcl tk expect itcl libgui gnuserv"
626 i[[3456789]]86-moss-msdos | i[[3456789]]86-*-moss* | \
627 i[[3456789]]86-*-uwin* | i[[3456789]]86-*-interix* )
630 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
632 i[[3456789]]86-*-sco3.2v5*)
633 # The linker does not yet know about weak symbols in COFF,
634 # and is not configured to handle mixed ELF and COFF.
635 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
637 i[[3456789]]86-*-sco*)
638 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
640 i[[3456789]]86-*-solaris2*)
641 noconfigdirs="$noconfigdirs target-libgloss"
643 i[[3456789]]86-*-sysv4*)
644 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
646 i[[3456789]]86-*-beos*)
647 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
650 noconfigdirs="$noconfigdirs ${libgcj}"
652 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
653 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
656 noconfigdirs="$noconfigdirs ${libgcj}"
659 noconfigdirs="$noconfigdirs ${libgcj}"
662 # The EPOC C++ environment does not support exceptions or rtti,
663 # and so building libstdc++-v3 tends not to always work.
664 noconfigdirs="$noconfigdirs target-libstdc++-v3"
667 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc gdb libgloss"
668 unsupported_languages="$unsupported_languages f95 java"
671 noconfigdirs="$noconfigdirs ${libgcj}"
674 noconfigdirs="$noconfigdirs ${libgcj}"
677 noconfigdirs="$noconfigdirs sim"
680 # copied from rs6000-*-* entry
681 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
683 powerpc*-*-winnt* | powerpc*-*-pe* | ppc*-*-pe)
684 target_configdirs="$target_configdirs target-winsup"
685 noconfigdirs="$noconfigdirs gdb tcl tk make expect target-libgloss itcl gnuserv ${libgcj}"
686 # always build newlib.
687 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
689 # This is temporary until we can link against shared libraries
690 powerpcle-*-solaris*)
691 noconfigdirs="$noconfigdirs gdb sim make tcl tk expect itcl gnuserv ${libgcj}"
694 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
697 noconfigdirs="$noconfigdirs ${libgcj}"
699 powerpc-*-eabi* | powerpcle-*-eabi* | powerpc-*-rtems* )
702 noconfigdirs="$noconfigdirs target-newlib gprof ${libgcj}"
705 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
708 noconfigdirs="$noconfigdirs gprof ${libgcj}"
711 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss ${libgcj}"
714 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
717 # Linking libjava exceeds command-line length limits on at least
718 # IRIX 6.2, but not on IRIX 6.5.
719 # Also, boehm-gc won't build on IRIX 6.5, according to Jeffrey Oldham
720 # <oldham@codesourcery.com>
721 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
724 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
727 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
730 noconfigdirs="$noconfigdirs gprof ${libgcj}" # same as generic mips
733 noconfigdirs="$noconfigdirs target-newlib ${libgcj}"
736 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
739 noconfigdirs="$noconfigdirs gprof ${libgcj}"
742 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes target-libgloss ${libgcj}"
746 i[[3456789]]86-*-vsta) ;; # don't add gprof back in
747 i[[3456789]]86-*-go32*) ;; # don't add gprof back in
748 i[[3456789]]86-*-msdosdjgpp*) ;; # don't add gprof back in
749 *) skipdirs=`echo " ${skipdirs} " | sed -e 's/ gprof / /'` ;;
751 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
754 noconfigdirs="$noconfigdirs ${libgcj}"
757 noconfigdirs="$noconfigdirs ${libgcj}"
760 noconfigdirs="$noconfigdirs ${libgcj}"
763 noconfigdirs="$noconfigdirs ${libgcj}"
764 if test x${is_cross_compiler} != xno ; then
765 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
770 sparc-*-solaris2.[[0-6]] | sparc-*-solaris2.[[0-6]].*)
771 noconfigdirs="$noconfigdirs ${libgcj}"
773 sparc-*-solaris* | sparc64-*-solaris* | sparcv9-*-solaris*)
776 noconfigdirs="$noconfigdirs bfd binutils gas gcc gdb ld target-libstdc++-v3 opcodes target-libgloss ${libgcj}"
779 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
782 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
785 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
788 noconfigdirs="$noconfigdirs bfd binutils gdb ld target-newlib opcodes target-libgloss ${libgcj}"
791 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
794 noconfigdirs="$noconfigdirs ${libgcj}"
797 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
799 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu)
800 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
803 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
806 noconfigdirs="$noconfigdirs ${libgcj}"
810 # If we aren't building newlib, then don't build libgloss, since libgloss
811 # depends upon some newlib header files.
812 case "${noconfigdirs}" in
813 *target-libgloss*) ;;
814 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
817 # Work in distributions that contain no compiler tools, like Autoconf.
819 host_makefile_frag=/dev/null
820 if test -d ${srcdir}/config ; then
823 # Avoid "too much defining" errors from HPUX compiler.
824 tentative_cc="cc -Wp,-H256000"
825 # If "ar" in $PATH is GNU ar, the symbol table may need rebuilding.
826 # If it's HP/UX ar, this should be harmless.
830 tentative_cc="cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DUSG"
833 #None of the Apollo compilers can compile gas or binutils. The preprocessor
834 # chokes on bfd, the compiler won't let you assign integers to enums, and
835 # other problems. Defining CC to gcc is a questionable way to say "don't use
836 # the apollo compiler" (the preferred version of GCC could be called cc,
837 # or whatever), but I'm not sure leaving CC as cc is any better...
838 #CC=cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DNO_STDARG
839 # Used to have BISON=yacc.
843 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
846 # Under CX/UX, we want to tell the compiler to use ANSI mode.
847 tentative_cc="cc -Xa"
848 host_makefile_frag="config/mh-cxux"
853 tentative_cc="cc -Wf,-XNg1000"
854 host_makefile_frag="config/mh-decstation"
857 # The C compiler on NEC MIPS SVR4 needs bigger tables.
858 tentative_cc="cc -ZXNd=5000 -ZXNg=1000"
859 host_makefile_frag="config/mh-necv4"
862 # Tell compiler to use K&R C. We can't compile under the SGI Ansi
863 # environment. Also bump switch table size so that cp-parse will
864 # compile. Bump string length limit so linker builds.
865 tentative_cc="cc -cckr -Wf,-XNg1500 -Wf,-XNk1000 -Wf,-XNh2000 -Wf,-XNl8192"
868 host_makefile_frag="config/mh-sysv4"
871 # This is for a MIPS running RISC/os 4.52C.
873 # This is needed for GDB, but needs to be in the top-level make because
874 # if a library is compiled with the bsd headers and gets linked with the
875 # sysv system libraries all hell can break loose (e.g. a jmp_buf might be
877 # ptrace(2) apparently has problems in the BSD environment. No workaround is
878 # known except to select the sysv environment. Could we use /proc instead?
879 # These "sysv environments" and "bsd environments" often end up being a pain.
881 # This is not part of CFLAGS because perhaps not all C compilers have this
883 tentative_cc="cc -systype sysv"
888 i[[3456789]]86-*-sysv5*)
889 host_makefile_frag="config/mh-sysv5"
891 i[[3456789]]86-*-dgux*)
892 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
893 host_makefile_frag="config/mh-dgux386"
895 i[[3456789]]86-ncr-sysv4.3*)
896 # The MetaWare compiler will generate a copyright message unless you
897 # turn it off by adding the -Hnocopyr flag.
898 tentative_cc="cc -Hnocopyr"
900 i[[3456789]]86-ncr-sysv4*)
901 # for an NCR 3000 (i486/SVR4) system.
902 # The NCR 3000 ships with a MetaWare compiler installed as /bin/cc.
903 # This compiler not only emits obnoxious copyright messages every time
904 # you run it, but it chokes and dies on a whole bunch of GNU source
905 # files. Default to using the AT&T compiler installed in /usr/ccs/ATT/cc.
906 tentative_cc="/usr/ccs/ATT/cc"
907 host_makefile_frag="config/mh-ncr3000"
909 i[[3456789]]86-*-sco3.2v5*)
911 i[[3456789]]86-*-sco*)
912 # The native C compiler botches some simple uses of const. Unfortunately,
913 # it doesn't defined anything like "__sco__" for us to test for in ansidecl.h.
914 tentative_cc="cc -Dconst="
915 host_makefile_frag="config/mh-sco"
917 i[[3456789]]86-*-udk*)
918 host_makefile_frag="config/mh-sysv5"
920 i[[3456789]]86-*-solaris2*)
921 host_makefile_frag="config/mh-sysv4"
923 i[[3456789]]86-*-msdosdjgpp*)
924 host_makefile_frag="config/mh-djgpp"
927 host_makefile_frag="config/mh-cygwin"
932 host_makefile_frag="config/mh-interix"
935 # The old BSD pcc isn't up to compiling parts of gdb so use gcc
939 host_makefile_frag="config/mh-solaris"
942 # Sun's C compiler needs the -J flag to be able to compile cp-parse.c
943 # without overflowing the jump tables (-J says to use a 32 bit table)
947 tentative_cc="cc -Wp,-H256000"
950 tentative_cc="cc -Wp,-H256000"
953 # /bin/cc is less than useful for our purposes. Always use GCC
954 tentative_cc="/usr/cygnus/progressive/bin/gcc"
955 host_makefile_frag="config/mh-lynxrs6k"
958 host_makefile_frag="config/mh-ppc-darwin"
961 # /bin/cc is less than useful for our purposes. Always use GCC
962 tentative_cc="/bin/gcc"
965 host_makefile_frag="config/mh-sysv4"
967 # This is placed last to prevent interfering with the cases above.
969 # Build the stage2 and stage3 compilers with -fomit-frame-pointer.
970 host_makefile_frag="config/mh-x86omitfp"
975 # If we aren't going to be using gcc, see if we can extract a definition
976 # of CC from the fragment.
977 # Actually, use the 'pre-extracted' version above.
978 if test -z "${CC}" && test "${build}" = "${host}" ; then
979 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
982 test -z "$dir" && dir=.
983 if test -f $dir/gcc; then
989 if test -z "${found}" && test -n "${tentative_cc}" ; then
994 if test "${build}" != "${host}" ; then
995 # If we are doing a Canadian Cross, in which the host and build systems
996 # are not the same, we set reasonable default values for the tools.
998 CC=${CC-${host_alias}-gcc}
999 CFLAGS=${CFLAGS-"-g -O2"}
1000 CXX=${CXX-${host_alias}-c++}
1001 CXXFLAGS=${CXXFLAGS-"-g -O2"}
1002 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
1003 CC_FOR_TARGET=${CC_FOR_TARGET-${target_alias}-gcc}
1004 CXX_FOR_TARGET=${CXX_FOR_TARGET-${target_alias}-c++}
1005 GCJ_FOR_TARGET=${GCJ_FOR_TARGET-${target_alias}-gcj}
1006 GCC_FOR_TARGET=${GCC_FOR_TARGET-${CC_FOR_TARGET-${target_alias}-gcc}}
1007 BUILD_PREFIX=${build_alias}-
1008 BUILD_PREFIX_1=${build_alias}-
1011 # Set reasonable default values for some tools even if not Canadian.
1012 # Of course, these are different reasonable default values, originally
1013 # specified directly in the Makefile.
1014 # We don't export, so that autoconf can do its job.
1015 # Note that all these settings are above the fragment inclusion point
1016 # in Makefile.in, so can still be overridden by fragments.
1017 # This is all going to change when we autoconfiscate...
1019 CC_FOR_BUILD="\$(CC)"
1020 GCC_FOR_TARGET="\$(USUAL_GCC_FOR_TARGET)"
1022 BUILD_PREFIX_1=loser-
1026 # We must set the default linker to the linker used by gcc for the correct
1027 # operation of libtool. If LD is not defined and we are using gcc, try to
1028 # set the LD default to the ld used by gcc.
1029 if test -z "$LD"; then
1030 if test "$GCC" = yes; then
1033 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1035 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1037 case $gcc_prog_ld in
1038 # Accept absolute paths.
1039 [[\\/]* | [A-Za-z]:[\\/]*)]
1040 LD="$gcc_prog_ld" ;;
1046 CFLAGS=${CFLAGS-"-g"}
1047 CXXFLAGS=${CXXFLAGS-"-g -O2"}
1051 ACX_PROG_CMP_IGNORE_INITIAL
1053 # Check for GMP and MPFR
1057 # Specify a location for mpfr
1058 # check for this first so it ends up on the link line before gmp.
1059 AC_ARG_WITH(mpfr-dir, [ --with-mpfr-dir=PATH Specify source directory for MPFR library])
1061 if test "x$with_mpfr_dir" != x; then
1062 gmpinc="-I$with_mpfr_dir"
1063 gmplibs="$with_mpfr_dir/libmpfr.a"
1068 AC_ARG_WITH(mpfr, [ --with-mpfr=PATH Specify directory for installed MPFR library])
1070 if test "x$with_mpfr" != x; then
1071 gmplibs="-L$with_mpfr/lib $gmplibs"
1072 gmpinc="-I$with_mpfr/include"
1075 # Specify a location for gmp
1076 AC_ARG_WITH(gmp-dir, [ --with-gmp-dir=PATH Specify source directory for GMP library])
1078 if test "x$with_gmp_dir" != x; then
1079 gmpinc="$gmpinc -I$with_gmp_dir"
1080 if test -f "$with_gmp_dir/.libs/libgmp.a"; then
1081 gmplibs="$gmplibs $with_gmp_dir/.libs/libgmp.a"
1082 elif test -f "$with_gmp_dir/_libs/libgmp.a"; then
1083 gmplibs="$gmplibs $with_gmp_dir/_libs/libgmp.a"
1085 # One of the later tests will catch the error if neither library is present.
1087 gmplibs="$gmplibs -lgmp"
1090 AC_ARG_WITH(gmp, [ --with-gmp=PATH Specify directory for installed GMP library])
1092 if test "x$with_gmp" != x; then
1093 gmplibs="-L$with_gmp/lib $gmplibs"
1094 gmpinc="-I$with_gmp/include $gmpinc"
1097 saved_CFLAGS="$CFLAGS"
1098 CFLAGS="$CFLAGS $gmpinc"
1099 # Check GMP actually works
1100 AC_MSG_CHECKING([for correct version of gmp.h])
1101 AC_TRY_COMPILE([#include "gmp.h"],[
1102 #if __GNU_MP_VERSION < 3
1105 ], [AC_MSG_RESULT([yes])],
1106 [AC_MSG_RESULT([no]); have_gmp=no])
1108 if test x"$have_gmp" = xyes; then
1109 AC_MSG_CHECKING([for MPFR])
1112 LIBS="$LIBS $gmplibs"
1113 AC_TRY_LINK([#include <gmp.h>
1114 #include <mpfr.h>], [mpfr_t n; mpfr_init(n);],
1115 [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1117 CFLAGS="$saved_CFLAGS"
1120 # Flags needed for both GMP and/or MPFR
1124 # By default, C is the only stage 1 language.
1126 AC_SUBST(stage1_languages)
1128 # Figure out what language subdirectories are present.
1129 # Look if the user specified --enable-languages="..."; if not, use
1130 # the environment variable $LANGUAGES if defined. $LANGUAGES might
1132 # NB: embedded tabs in this IF block -- do not untabify
1133 if test -d ${srcdir}/gcc; then
1134 if test x"${enable_languages+set}" != xset; then
1135 if test x"${LANGUAGES+set}" = xset; then
1136 enable_languages="${LANGUAGES}"
1137 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1139 enable_languages=all
1142 if test x"${enable_languages}" = x ||
1143 test x"${enable_languages}" = xyes;
1145 echo configure.in: --enable-languages needs at least one language argument 1>&2
1149 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1151 # First scan to see if an enabled language requires some other language.
1152 # We assume that a given config-lang.in will list all the language
1153 # front ends it requires, even if some are required indirectly.
1154 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1155 case ${lang_frag} in
1157 # The odd quoting in the next line works around
1158 # an apparent bug in bash 1.12 on linux.
1159 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1161 # From the config-lang.in, get $language, $lang_requires
1165 for other in ${lang_requires} ; do
1166 case ,${enable_languages}, in
1170 echo " \`$other' language required by \`$language'; enabling" 1>&2
1171 enable_languages="${enable_languages},${other}"
1179 new_enable_languages=c
1180 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
1181 potential_languages=c
1183 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1184 case ${lang_frag} in
1186 # The odd quoting in the next line works around
1187 # an apparent bug in bash 1.12 on linux.
1188 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1190 # From the config-lang.in, get $language, $target_libs,
1191 # $lang_dirs, $boot_language, and $build_by_default
1199 potential_languages="${potential_languages},${language}"
1200 # This is quite sensitive to the ordering of the case statement arms.
1201 case ,${enable_languages},:${language}:${have_gnat}:${build_by_default} in
1203 echo "${lang_frag} doesn't set \$language." 1>&2
1207 # Ada was requested with no preexisting GNAT. Disable unconditionally.
1210 *,${language},*:*:*:*)
1211 # Language was explicitly selected; include it.
1215 # 'all' was selected, but this is not a default language
1216 # so do not include it.
1220 # 'all' was selected and this is a default language; include it.
1228 # Disable languages that need GMP if it isn't available.
1229 case ,${enable_languages},:${have_gmp}:${need_gmp} in
1230 *,${language},*:no:yes)
1231 # Specifically requested language; tell them.
1232 AC_MSG_ERROR([GMP with MPFR support is required to build $language])
1240 # Disable a language that is unsupported by the target.
1241 case " $unsupported_languages " in
1247 case $add_this_lang in
1249 # Remove language-dependent dirs.
1250 eval noconfigdirs='"$noconfigdirs "'\"$target_libs $lang_dirs\"
1253 new_enable_languages="$new_enable_languages,$language"
1254 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
1255 case ${boot_language} in
1257 # Add to (comma-separated) list of stage 1 languages.
1258 stage1_languages="${stage1_languages},${language}"
1267 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
1268 if test "x$missing_languages" != x; then
1270 The following requested languages could not be built: ${missing_languages}
1271 Recognised languages are: ${potential_languages}])
1274 if test "x$new_enable_languages" != "x$enable_languages"; then
1275 echo The following languages will be built: ${new_enable_languages}
1277 enable_languages="$new_enable_languages"
1278 ac_configure_args=`echo " $ac_configure_args" | sed -e 's/ --enable-languages=[[^ ]]*//' -e 's/$/ --enable-languages='"$enable_languages"/ `
1281 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
1282 # $build_configdirs and $target_configdirs.
1283 # If we have the source for $noconfigdirs entries, add them to $notsupp.
1286 for dir in . $skipdirs $noconfigdirs ; do
1287 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
1288 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1289 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
1290 if test -r $srcdir/$dirname/configure ; then
1291 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1294 notsupp="$notsupp $dir"
1298 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1299 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"`
1300 if test -r $srcdir/$dirname/configure ; then
1301 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1304 notsupp="$notsupp $dir"
1308 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1309 target_configdirs=`echo " ${target_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"
1320 # Sometimes the tools are distributed with libiberty but with no other
1321 # libraries. In that case, we don't want to build target-libiberty.
1322 if test -n "${target_configdirs}" ; then
1324 for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do
1325 if test "$i" != "libiberty" ; then
1326 if test -r $srcdir/$i/configure ; then
1332 if test -z "${others}" ; then
1337 # Quietly strip out all directories which aren't configurable in this tree.
1338 # This relies on all configurable subdirectories being autoconfiscated, which
1340 build_configdirs_all="$build_configdirs"
1342 for i in ${build_configdirs_all} ; do
1343 j=`echo $i | sed -e s/build-//g`
1344 if test -f ${srcdir}/$j/configure ; then
1345 build_configdirs="${build_configdirs} $i"
1349 configdirs_all="$configdirs"
1351 for i in ${configdirs_all} ; do
1352 if test -f ${srcdir}/$i/configure ; then
1353 configdirs="${configdirs} $i"
1357 target_configdirs_all="$target_configdirs"
1359 for i in ${target_configdirs_all} ; do
1360 j=`echo $i | sed -e s/target-//g`
1361 if test -f ${srcdir}/$j/configure ; then
1362 target_configdirs="${target_configdirs} $i"
1366 # Produce a warning message for the subdirs we can't configure.
1367 # This isn't especially interesting in the Cygnus tree, but in the individual
1368 # FSF releases, it's important to let people know when their machine isn't
1369 # supported by the one or two programs in a package.
1371 if test -n "${notsupp}" && test -z "${norecursion}" ; then
1372 # If $appdirs is non-empty, at least one of those directories must still
1373 # be configured, or we error out. (E.g., if the gas release supports a
1374 # specified target in some subdirs but not the gas subdir, we shouldn't
1375 # pretend that all is well.)
1376 if test -n "$appdirs" ; then
1377 for dir in $appdirs ; do
1378 if test -r $dir/Makefile.in ; then
1379 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1383 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
1389 if test -n "$appdirs" ; then
1390 echo "*** This configuration is not supported by this package." 1>&2
1394 # Okay, some application will build, or we don't care to check. Still
1395 # notify of subdirs not getting built.
1396 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
1397 echo " ${notsupp}" 1>&2
1398 echo " (Any other directories should still work fine.)" 1>&2
1408 AC_ARG_WITH([build-sysroot],
1409 [ --with-build-sysroot=sysroot
1410 use sysroot as the system root during the build],
1411 [if test x"$withval" != x ; then
1412 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval"
1414 [SYSROOT_CFLAGS_FOR_TARGET=])
1415 AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET)
1417 # Handle --with-headers=XXX. If the value is not "yes", the contents of
1418 # the named directory are copied to $(tooldir)/sys-include.
1419 if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
1420 if test x${is_cross_compiler} = xno ; then
1421 echo 1>&2 '***' --with-headers is only supported when cross compiling
1424 if test x"${with_headers}" != xyes ; then
1425 case "${exec_prefixoption}" in
1427 *) x=${exec_prefix} ;;
1429 copy_dirs="${copy_dirs} ${with_headers} $x/${target_alias}/sys-include"
1433 # Handle --with-libs=XXX. If the value is not "yes", the contents of
1434 # the name directories are copied to $(tooldir)/lib. Multiple directories
1436 if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
1437 if test x${is_cross_compiler} = xno ; then
1438 echo 1>&2 '***' --with-libs is only supported when cross compiling
1441 if test x"${with_libs}" != xyes ; then
1442 # Copy the libraries in reverse order, so that files in the first named
1443 # library override files in subsequent libraries.
1444 case "${exec_prefixoption}" in
1446 *) x=${exec_prefix} ;;
1448 for l in ${with_libs}; do
1449 copy_dirs="$l $x/${target_alias}/lib ${copy_dirs}"
1454 # Handle ${copy_dirs}
1455 set fnord ${copy_dirs}
1457 while test $# != 0 ; do
1458 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
1461 echo Copying $1 to $2
1463 # Use the install script to create the directory and all required
1464 # parent directories.
1465 if test -d $2 ; then
1469 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
1472 # Copy the directory, assuming we have tar.
1473 # FIXME: Should we use B in the second tar? Not all systems support it.
1474 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
1476 # It is the responsibility of the user to correctly adjust all
1477 # symlinks. If somebody can figure out how to handle them correctly
1478 # here, feel free to add the code.
1485 extra_arflags_for_target=
1486 extra_nmflags_for_target=
1487 extra_ranlibflags_for_target=
1488 target_makefile_frag=/dev/null
1491 target_makefile_frag="config/mt-netware"
1493 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu)
1494 target_makefile_frag="config/mt-gnu"
1496 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
1497 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
1498 # commands to handle both 32-bit and 64-bit objects. These flags are
1499 # harmless if we're using GNU nm or ar.
1500 extra_arflags_for_target=" -X32_64"
1501 extra_nmflags_for_target=" -B -X32_64"
1504 # ranlib from Darwin requires the -c flag to look at common symbols.
1505 extra_ranlibflags_for_target=" -c"
1507 mips*-*-pe | sh*-*-pe | *arm-wince-pe)
1508 target_makefile_frag="config/mt-wince"
1512 alphaieee_frag=/dev/null
1515 # This just makes sure to use the -mieee option to build target libs.
1516 # This should probably be set individually by each library.
1517 alphaieee_frag="config/mt-alphaieee"
1521 # If --enable-target-optspace always use -Os instead of -O2 to build
1522 # the target libraries, similarly if it is not specified, use -Os
1523 # on selected platforms.
1524 ospace_frag=/dev/null
1525 case "${enable_target_optspace}:${target}" in
1527 ospace_frag="config/mt-ospace"
1530 ospace_frag="config/mt-d30v"
1532 :m32r-* | :d10v-* | :fr30-*)
1533 ospace_frag="config/mt-ospace"
1538 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
1542 # Set with_gnu_as and with_gnu_ld as appropriate.
1544 # This is done by determining whether or not the appropriate directory
1545 # is available, and by checking whether or not specific configurations
1546 # have requested that this magic not happen.
1548 # The command line options always override the explicit settings in
1549 # configure.in, and the settings in configure.in override this magic.
1551 # If the default for a toolchain is to use GNU as and ld, and you don't
1552 # want to do that, then you should use the --without-gnu-as and
1553 # --without-gnu-ld options for the configure script.
1555 if test x${use_gnu_as} = x &&
1556 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
1558 extra_host_args="$extra_host_args --with-gnu-as"
1561 if test x${use_gnu_ld} = x &&
1562 echo " ${configdirs} " | grep " ld " > /dev/null 2>&1 ; then
1564 extra_host_args="$extra_host_args --with-gnu-ld"
1567 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
1568 # can detect this case.
1570 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
1572 extra_host_args="$extra_host_args --with-newlib"
1575 # Default to using --with-stabs for certain targets.
1576 if test x${with_stabs} = x ; then
1578 mips*-*-irix[[56]]*)
1580 mips*-*-* | alpha*-*-osf*)
1582 extra_host_args="${extra_host_args} --with-stabs"
1587 # hpux11 in 64bit mode has libraries in a weird place. Arrange to find
1588 # them automatically.
1591 extra_host_args="$extra_host_args -x-libraries=/usr/lib/pa20_64 -x-includes=/usr/X11R6/include"
1595 # Some systems (e.g., one of the i386-aix systems the gas testers are
1596 # using) don't handle "\$" correctly, so don't use it here.
1597 tooldir='${exec_prefix}'/${target_alias}
1598 build_tooldir=${tooldir}
1600 # Generate default definitions for YACC, M4, LEX and other programs that run
1601 # on the build machine. These are used if the Makefile can't locate these
1602 # programs in objdir.
1603 MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
1604 AC_CHECK_PROGS([CONFIGURED_BISON], [bison], [$MISSING bison])
1605 AC_CHECK_PROGS([CONFIGURED_YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
1606 AC_CHECK_PROGS([CONFIGURED_M4], [gm4 gnum4 m4], [$MISSING m4])
1607 AC_CHECK_PROGS([CONFIGURED_FLEX], [flex], [$MISSING flex])
1608 AC_CHECK_PROGS([CONFIGURED_LEX], [flex lex], [$MISSING flex])
1609 AC_CHECK_PROGS([CONFIGURED_MAKEINFO], makeinfo, [$MISSING makeinfo])
1611 # Create a .gdbinit file which runs the one in srcdir
1612 # and tells GDB to look there for source files.
1614 if test -r ${srcdir}/.gdbinit ; then
1617 *) cat > ./.gdbinit <<EOF
1621 source ${srcdir}/.gdbinit
1627 # Make sure that the compiler is able to generate an executable. If it
1628 # can't, we are probably in trouble. We don't care whether we can run the
1629 # executable--we might be using a cross compiler--we only care whether it
1630 # can be created. At this point the main configure script has set CC.
1632 echo "int main () { return 0; }" > conftest.c
1633 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
1634 if test $? = 0 ; then
1635 if test -s conftest || test -s conftest.exe ; then
1641 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
1642 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
1649 # The Solaris /usr/ucb/cc compiler does not appear to work.
1651 sparc-sun-solaris2*)
1652 CCBASE="`echo ${CC-cc} | sed 's/ .*$//'`"
1653 if test "`type $CCBASE | sed 's/^[[^/]]*//'`" = "/usr/ucb/cc" ; then
1655 test -d /opt/SUNWspro/bin && could_use="/opt/SUNWspro/bin"
1656 if test -d /opt/cygnus/bin ; then
1657 if test "$could_use" = "" ; then
1658 could_use="/opt/cygnus/bin"
1660 could_use="$could_use or /opt/cygnus/bin"
1663 if test "$could_use" = "" ; then
1664 echo "Warning: compilation may fail because you're using"
1665 echo "/usr/ucb/cc. You should change your PATH or CC "
1666 echo "variable and rerun configure."
1668 echo "Warning: compilation may fail because you're using"
1669 echo "/usr/ucb/cc, when you should use the C compiler from"
1670 echo "$could_use. You should change your"
1671 echo "PATH or CC variable and rerun configure."
1678 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
1679 *-*-darwin* | *-*-rhapsody* ) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;;
1680 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
1683 # Record target_configdirs and the configure arguments for target and
1684 # build configuration in Makefile.
1685 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
1686 build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
1688 # Determine whether gdb needs tk/tcl or not.
1689 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
1690 # and in that case we want gdb to be built without tk. Ugh!
1691 # In fact I believe gdb is the *only* package directly dependent on tk,
1692 # so we should be able to put the 'maybe's in unconditionally and
1693 # leave out the maybe dependencies when enable_gdbtk is false. I'm not
1694 # 100% sure that that's safe though.
1696 gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
1697 case "$enable_gdbtk" in
1701 GDB_TK="${gdb_tk}" ;;
1703 # Only add the dependency on gdbtk when GDBtk is part of the gdb
1704 # distro. Eventually someone will fix this and move Insight, nee
1705 # gdbtk to a separate directory.
1706 if test -d ${srcdir}/gdb/gdbtk ; then
1714 # Strip out unwanted targets.
1716 # While at that, we remove Makefiles if we were started for recursive
1717 # configuration, so that the top-level Makefile reconfigures them,
1718 # like we used to do when configure itself was recursive.
1720 # Loop over modules. $extrasub must be used with care, limiting as
1721 # much as possible the usage of range addresses. That's because autoconf
1722 # splits the sed script to overcome limits in the number of commands,
1723 # and relying on carefully-timed sed passes may turn out to be very hard
1724 # to maintain later. In this particular case, you just have to be careful
1725 # not to nest @if/@endif pairs, because configure will not warn you at all.
1727 AC_ARG_ENABLE([bootstrap],
1728 [ --enable-bootstrap[=lean] Enable bootstrapping [no]],,
1729 enable_bootstrap=default)
1731 # Issue errors and warnings for invalid/strange bootstrap combinations.
1732 case "$configdirs" in
1733 *gcc*) have_compiler=yes ;;
1734 *) have_compiler=no ;;
1737 case "$have_compiler:$host:$target:$enable_bootstrap" in
1740 # Default behavior. (We'll) enable bootstrap if we have a compiler
1741 # and we are in a native configuration.
1742 yes:$build:$build:default)
1743 # This will become 'yes'
1744 enable_bootstrap=no ;;
1747 enable_bootstrap=no ;;
1749 # We have a compiler and we are in a native configuration, bootstrap is ok
1750 yes:$build:$build:yes | yes:$build:$build:lean)
1753 # Other configurations, but we have a compiler. Assume the user knows
1755 yes:*:*:yes | yes:*:*:lean)
1756 AC_MSG_WARN([trying to bootstrap a cross compiler])
1759 # No compiler: if they passed --enable-bootstrap explicitly, fail
1760 no:*:*:yes | no:*:*:lean)
1761 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
1763 # Fail if wrong command line
1765 AC_MSG_ERROR([invalid option for --enable-bootstrap])
1769 # Adjust the toplevel makefile according to whether bootstrap was selected.
1770 case "$enable_bootstrap" in
1773 default_target=bootstrap
1774 bootstrap_suffix=bootstrap ;;
1777 default_target=bootstrap
1778 bootstrap_suffix=bootstrap ;;
1781 bootstrap_suffix=no-bootstrap ;;
1783 AC_SUBST(bootstrap_lean)
1784 AC_SUBST(default_target)
1786 for module in ${build_configdirs} ; do
1787 if test -z "${no_recursion}" \
1788 && test -f ${build_subdir}/${module}/Makefile; then
1789 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
1790 rm -f ${build_subdir}/${module}/Makefile
1793 /^@if build-$module\$/d
1794 /^@endif build-$module\$/d
1795 /^@if build-$module-$bootstrap_suffix\$/d
1796 /^@endif build-$module-$bootstrap_suffix\$/d"
1798 for module in ${configdirs} ; do
1799 if test -z "${no_recursion}" \
1800 && test -f ${module}/Makefile; then
1801 echo 1>&2 "*** removing ${module}/Makefile to force reconfigure"
1802 rm -f ${module}/Makefile
1806 /^@endif $module\$/d
1807 /^@if $module-$bootstrap_suffix\$/d
1808 /^@endif $module-$bootstrap_suffix\$/d"
1810 for module in ${target_configdirs} ; do
1811 if test -z "${no_recursion}" \
1812 && test -f ${target_subdir}/${module}/Makefile; then
1813 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
1814 rm -f ${target_subdir}/${module}/Makefile
1817 /^@if target-$module\$/d
1818 /^@endif target-$module\$/d
1819 /^@if target-$module-$bootstrap_suffix\$/d
1820 /^@endif target-$module-$bootstrap_suffix\$/d"
1824 /^@if /,/^@endif /d"
1826 # Create the serialization dependencies. This uses a temporary file.
1828 AC_ARG_ENABLE([serial-configure],
1829 [ --enable-serial-[{host,target,build}-]configure
1830 Force sequential configuration of
1831 sub-packages for the host, target or build
1832 machine, or all sub-packages])
1834 case ${enable_serial_configure} in
1836 enable_serial_build_configure=yes
1837 enable_serial_host_configure=yes
1838 enable_serial_target_configure=yes
1842 # These force 'configure's to be done one at a time, to avoid problems
1843 # with contention over a shared config.cache.
1845 echo '# serdep.tmp' > serdep.tmp
1847 test "x${enable_serial_build_configure}" = xyes &&
1848 for item in ${build_configdirs} ; do
1851 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
1856 test "x${enable_serial_host_configure}" = xyes &&
1857 for item in ${configdirs} ; do
1860 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
1865 test "x${enable_serial_target_configure}" = xyes &&
1866 for item in ${target_configdirs} ; do
1869 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
1873 serialization_dependencies=serdep.tmp
1874 AC_SUBST_FILE(serialization_dependencies)
1876 # Base args. Strip norecursion, cache-file, srcdir, host, build,
1877 # target and nonopt. These are the ones we might not want to pass
1878 # down to subconfigures. Also strip program-prefix, program-suffix,
1879 # and program-transform-name, so that we can pass down a consistent
1880 # program-transform-name. If autoconf has put single quotes around
1881 # any of these arguments (because they contain shell metacharacters)
1882 # then this will fail; in practice this only happens for
1883 # --program-transform-name, so be sure to override --program-transform-name
1884 # at the end of the argument list.
1885 # These will be expanded by make, so quote '$'.
1886 cat <<\EOF_SED > conftestsed
1888 s/ --c[[a-z-]]*[[= ]][[^ ]]*//g
1889 s/ --sr[[a-z-]]*[[= ]][[^ ]]*//g
1890 s/ --ho[[a-z-]]*[[= ]][[^ ]]*//g
1891 s/ --bu[[a-z-]]*[[= ]][[^ ]]*//g
1892 s/ --t[[a-z-]]*[[= ]][[^ ]]*//g
1893 s/ --program-[[pst]][[a-z-]]*[[= ]][[^ ]]*//g
1894 s/ -cache-file[[= ]][[^ ]]*//g
1895 s/ -srcdir[[= ]][[^ ]]*//g
1896 s/ -host[[= ]][[^ ]]*//g
1897 s/ -build[[= ]][[^ ]]*//g
1898 s/ -target[[= ]][[^ ]]*//g
1899 s/ -program-prefix[[= ]][[^ ]]*//g
1900 s/ -program-suffix[[= ]][[^ ]]*//g
1901 s/ -program-transform-name[[= ]][[^ ]]*//g
1902 s/ [[^' -][^ ]*] / /
1906 sed -f conftestsed <<EOF_SED > conftestsed.out
1907 ${ac_configure_args}
1909 baseargs=`cat conftestsed.out`
1910 rm -f conftestsed conftestsed.out
1912 # Add in --program-transform-name, after --program-prefix and
1913 # --program-suffix have been applied to it. Autoconf has already
1914 # doubled dollar signs and backslashes in program_transform_name; we want
1915 # the backslashes un-doubled, and then the entire thing wrapped in single
1916 # quotes, because this will be expanded first by make and then by the shell.
1917 # Also, because we want to override the logic in subdir configure scripts to
1918 # choose program_transform_name, replace any s,x,x, with s,y,y,.
1919 sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
1920 ${program_transform_name}
1922 gcc_transform_name=`cat conftestsed.out`
1923 rm -f conftestsed.out
1924 baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
1926 # For the build-side libraries, we just need to pretend we're native,
1927 # and not use the same cache file. Multilibs are neither needed nor
1929 build_configargs="--cache-file=../config.cache --build=${build_alias} --host=${build_alias} --target=${target_alias} ${baseargs}"
1931 # For host modules, accept cache file option, or specification as blank.
1932 case "${cache_file}" in
1934 cache_file_option="" ;;
1935 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
1936 cache_file_option="--cache-file=${cache_file}" ;;
1938 cache_file_option="--cache-file=../${cache_file}" ;;
1941 # Host dirs don't like to share a cache file either, horribly enough.
1942 # This seems to be due to autoconf 2.5x stupidity.
1943 host_configargs="--cache-file=./config.cache --build=${build_alias} --host=${host_alias} --target=${target_alias} ${extra_host_args} ${baseargs}"
1945 target_configargs=${baseargs}
1947 # Passing a --with-cross-host argument lets the target libraries know
1948 # whether they are being built with a cross-compiler or being built
1949 # native. However, it would be better to use other mechanisms to make the
1950 # sorts of decisions they want to make on this basis. Please consider
1951 # this option to be deprecated. FIXME.
1952 if test x${is_cross_compiler} = xyes ; then
1953 target_configargs="--with-cross-host=${host_alias} ${target_configargs}"
1956 # Default to --enable-multilib.
1957 if test x${enable_multilib} = x ; then
1958 target_configargs="--enable-multilib ${target_configargs}"
1961 # Pass --with-newlib if appropriate. Note that target_configdirs has
1962 # changed from the earlier setting of with_newlib.
1963 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
1964 target_configargs="--with-newlib ${target_configargs}"
1967 # Different target subdirs use different values of certain variables
1968 # (notably CXX). Worse, multilibs use *lots* of different values.
1969 # Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
1970 # it doesn't automatically accept command-line overrides of them.
1971 # This means it's not safe for target subdirs to share a cache file,
1972 # which is disgusting, but there you have it. Hopefully this can be
1973 # fixed in future. It's still worthwhile to use a cache file for each
1974 # directory. I think.
1976 # Pass the appropriate --build, --host, --target and --cache-file arguments.
1977 # We need to pass --target, as newer autoconf's requires consistency
1978 # for target_alias and gcc doesn't manage it consistently.
1979 target_configargs="--cache-file=./config.cache --build=${build_alias} --host=${target_alias} --target=${target_alias} ${target_configargs}"
1982 case " $target_configdirs " in
1984 case " $target_configargs " in
1985 *" --with-newlib "*)
1988 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 $$s/winsup/w32api/include' ;;
1991 # If we're not building GCC, don't discard standard headers.
1992 if test -d ${srcdir}/gcc; then
1993 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
1995 if test "${build}" != "${host}"; then
1996 # On Canadian crosses, CC_FOR_TARGET will have already been set
1997 # by `configure', so we won't have an opportunity to add -Bgcc/
1998 # to it. This is right: we don't want to search that directory
1999 # for binaries, but we want the header files in there, so add
2001 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include'
2003 # Someone might think of using the pre-installed headers on
2004 # Canadian crosses, in case the installed compiler is not fully
2005 # compatible with the compiler being built. In this case, it
2006 # would be better to flag an error than risking having
2007 # incompatible object files being constructed. We can't
2008 # guarantee that an error will be flagged, but let's hope the
2009 # compiler will do it, when presented with incompatible header
2014 case "${target}-${is_cross_compiler}" in
2015 i[[3456789]]86-*-linux*-no)
2016 # Here host == target, so we don't need to build gcc,
2017 # so we don't want to discard standard headers.
2018 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
2021 # If we're building newlib, use its generic headers last, but search
2022 # for any libc-related directories first (so make it the last -B
2024 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
2032 # Allow the user to override the flags for
2033 # our build compiler if desired.
2034 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
2036 # On Canadian crosses, we'll be searching the right directories for
2037 # the previously-installed cross compiler, so don't bother to add
2038 # flags for directories within the install tree of the compiler
2039 # being built; programs in there won't even run.
2040 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
2041 # Search for pre-installed headers if nothing else fits.
2042 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
2045 if test "x${use_gnu_ld}" = x &&
2046 echo " ${configdirs} " | grep " ld " > /dev/null ; then
2047 # Arrange for us to find uninstalled linker scripts.
2048 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld'
2051 if test "x${CC_FOR_TARGET+set}" = xset; then
2053 elif test -d ${srcdir}/gcc; then
2054 CC_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/'
2055 elif test "$host" = "$target"; then
2056 CC_FOR_TARGET='$(CC)'
2058 CC_FOR_TARGET=`echo gcc | sed "${program_transform_name}"`
2060 CC_FOR_TARGET=$CC_FOR_TARGET' $(FLAGS_FOR_TARGET)'
2062 if test "x${GCJ_FOR_TARGET+set}" = xset; then
2064 elif test -d ${srcdir}/gcc; then
2065 GCJ_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/gcj -B$$r/$(HOST_SUBDIR)/gcc/'
2066 elif test "$host" = "$target"; then
2067 GCJ_FOR_TARGET='gcj'
2069 GCJ_FOR_TARGET=`echo gcj | sed "${program_transform_name}"`
2071 GCJ_FOR_TARGET=$GCJ_FOR_TARGET' $(FLAGS_FOR_TARGET)'
2073 if test "x${GFORTRAN_FOR_TARGET+set}" = xset; then
2075 elif test -d ${srcdir}/gcc; then
2076 GFORTRAN_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/'
2077 elif test "$host" = "$target"; then
2078 GFORTRAN_FOR_TARGET='gfortran'
2080 GFORTRAN_FOR_TARGET=`echo gfortran | sed "${program_transform_name}"`
2082 case $GFORTRAN_FOR_TARGET in
2083 *' $(FLAGS_FOR_TARGET)') ;;
2084 *) GFORTRAN_FOR_TARGET=$GFORTRAN_FOR_TARGET' $(FLAGS_FOR_TARGET)' ;;
2087 # Don't use libstdc++-v3's flags to configure/build itself.
2088 libstdcxx_flags='`test ! -f $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags || $(SHELL) $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags --build-includes` -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs'
2089 raw_libstdcxx_flags='-L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs'
2091 if test "x${CXX_FOR_TARGET+set}" = xset; then
2092 if test "x${RAW_CXX_FOR_TARGET+set}" != xset; then
2093 RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
2095 elif test -d ${srcdir}/gcc; then
2096 # We add -shared-libgcc to CXX_FOR_TARGET whenever we use xgcc instead
2097 # of g++ for linking C++ or Java, because g++ has -shared-libgcc by
2098 # default whereas gcc does not.
2099 # RAW_CXX_FOR_TARGET is for linking C++ or java; CXX_FOR_TARGET is for
2101 CXX_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/g++ -B$$r/$(HOST_SUBDIR)/gcc/ -nostdinc++ '$libstdcxx_flags
2102 RAW_CXX_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc/ -nostdinc++ '$raw_libstdcxx_flags
2103 elif test "$host" = "$target"; then
2104 CXX_FOR_TARGET='$(CXX)'
2105 RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
2107 CXX_FOR_TARGET=`echo c++ | sed "${program_transform_name}"`
2108 RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
2110 CXX_FOR_TARGET=$CXX_FOR_TARGET' $(FLAGS_FOR_TARGET)'
2111 RAW_CXX_FOR_TARGET=$RAW_CXX_FOR_TARGET' $(FLAGS_FOR_TARGET)'
2113 qCXX_FOR_TARGET=`echo "$CXX_FOR_TARGET" | sed 's,[[&%]],\\\&,g'`
2114 qRAW_CXX_FOR_TARGET=`echo "$RAW_CXX_FOR_TARGET" | sed 's,[[&%]],\\\&,g'`
2116 # We want to defer the evaluation of `cmd`s and shell variables in
2117 # CXX_FOR_TARGET when recursing in the top-level Makefile, such as for
2118 # bootstrap. We'll enclose CXX_FOR_TARGET_FOR_RECURSIVE_MAKE in single
2119 # quotes, but we still have to duplicate `$'s so that shell variables
2120 # can be expanded by the nested make as shell variables, not as make
2122 qqCXX_FOR_TARGET=`echo "$qCXX_FOR_TARGET" | sed -e 's,[[$]][[$]],$$$$,g'`
2123 qqRAW_CXX_FOR_TARGET=`echo "$qRAW_CXX_FOR_TARGET" | sed -e 's,[[$]][[$]],$$$$,g'`
2125 # Wrap CC_FOR_TARGET and friends, for certain types of builds.
2126 CC_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${CC_FOR_TARGET}"
2127 GCJ_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${GCJ_FOR_TARGET}"
2128 GFORTRAN_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${GFORTRAN_FOR_TARGET}"
2129 CXX_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${qCXX_FOR_TARGET}"
2130 RAW_CXX_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${qRAW_CXX_FOR_TARGET}"
2131 CXX_FOR_TARGET_FOR_RECURSIVE_MAKE="\$(STAGE_CC_WRAPPER) ${qqCXX_FOR_TARGET}"
2132 RAW_CXX_FOR_TARGET_FOR_RECURSIVE_MAKE="\$(STAGE_CC_WRAPPER) ${qqRAW_CXX_FOR_TARGET}"
2134 # Makefile fragments.
2135 for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
2137 eval fragval=\$$frag
2138 if test $fragval != /dev/null; then
2139 eval $frag=${srcdir}/$fragval
2142 AC_SUBST_FILE(host_makefile_frag)
2143 AC_SUBST_FILE(target_makefile_frag)
2144 AC_SUBST_FILE(alphaieee_frag)
2145 AC_SUBST_FILE(ospace_frag)
2147 # Miscellanea: directories, flags, etc.
2148 AC_SUBST(RPATH_ENVVAR)
2149 AC_SUBST(BUILD_PREFIX)
2150 AC_SUBST(BUILD_PREFIX_1)
2152 AC_SUBST(build_tooldir)
2155 # Build module lists & subconfigure args.
2156 AC_SUBST(build_configargs)
2157 AC_SUBST(build_configdirs)
2159 # Host module lists & subconfigure args.
2160 AC_SUBST(host_configargs)
2161 AC_SUBST(configdirs)
2163 # Target module lists & subconfigure args.
2164 AC_SUBST(target_configargs)
2165 AC_SUBST(target_configdirs)
2168 AC_SUBST(CC_FOR_BUILD)
2169 AC_SUBST(config_shell)
2172 NCN_STRICT_CHECK_TOOL(AR, ar)
2173 NCN_STRICT_CHECK_TOOL(AS, as)
2174 NCN_STRICT_CHECK_TOOL(DLLTOOL, dlltool)
2175 NCN_STRICT_CHECK_TOOL(LD, ld)
2176 NCN_STRICT_CHECK_TOOL(NM, nm)
2177 NCN_STRICT_CHECK_TOOL(RANLIB, ranlib, :)
2178 NCN_STRICT_CHECK_TOOL(WINDRES, windres)
2179 NCN_STRICT_CHECK_TOOL(OBJCOPY, objcopy)
2180 NCN_STRICT_CHECK_TOOL(OBJDUMP, objdump)
2184 AC_SUBST(CFLAGS_FOR_BUILD)
2188 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_AR_FOR_TARGET, ar)
2189 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_AS_FOR_TARGET, as)
2190 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_DLLTOOL_FOR_TARGET, dlltool)
2191 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_LD_FOR_TARGET, ld)
2192 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_NM_FOR_TARGET, nm)
2193 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_RANLIB_FOR_TARGET, ranlib, :)
2194 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_WINDRES_FOR_TARGET, windres)
2196 AC_SUBST(GCC_FOR_TARGET)
2197 AC_SUBST(FLAGS_FOR_TARGET)
2198 AC_SUBST(CC_FOR_TARGET)
2199 AC_SUBST(GCJ_FOR_TARGET)
2200 AC_SUBST(GFORTRAN_FOR_TARGET)
2201 AC_SUBST(CXX_FOR_TARGET)
2202 AC_SUBST(RAW_CXX_FOR_TARGET)
2203 AC_SUBST(CXX_FOR_TARGET_FOR_RECURSIVE_MAKE)
2204 AC_SUBST(RAW_CXX_FOR_TARGET_FOR_RECURSIVE_MAKE)
2206 # Fix up target tools.
2207 if test "x${build}" = "x${host}" ; then
2208 # In this case, the newly built tools can and should be used,
2209 # so we override the results of the autoconf tests.
2210 # This should really only happen when the tools are actually being built,
2211 # but that's a further refinement. The new build scheme, where
2212 # tools are built into a structure paralleling where they're installed,
2213 # should also eliminate all of this cleanly.
2214 AR_FOR_TARGET="\$(USUAL_AR_FOR_TARGET)"
2215 AS_FOR_TARGET="\$(USUAL_AS_FOR_TARGET)"
2216 DLLTOOL_FOR_TARGET="\$(USUAL_DLLTOOL_FOR_TARGET)"
2217 LD_FOR_TARGET="\$(USUAL_LD_FOR_TARGET)"
2218 NM_FOR_TARGET="\$(USUAL_NM_FOR_TARGET)"
2219 RANLIB_FOR_TARGET="\$(USUAL_RANLIB_FOR_TARGET)"
2220 WINDRES_FOR_TARGET="\$(USUAL_WINDRES_FOR_TARGET)"
2222 # Just use the ones we found.
2223 AR_FOR_TARGET="\$(CONFIGURED_AR_FOR_TARGET)"
2224 AS_FOR_TARGET="\$(CONFIGURED_AS_FOR_TARGET)"
2225 DLLTOOL_FOR_TARGET="\$(CONFIGURED_DLLTOOL_FOR_TARGET)"
2226 LD_FOR_TARGET="\$(CONFIGURED_LD_FOR_TARGET)"
2227 NM_FOR_TARGET="\$(CONFIGURED_NM_FOR_TARGET)"
2228 RANLIB_FOR_TARGET="\$(CONFIGURED_RANLIB_FOR_TARGET)"
2229 WINDRES_FOR_TARGET="\$(CONFIGURED_WINDRES_FOR_TARGET)"
2231 AC_SUBST(AR_FOR_TARGET)
2232 AC_SUBST(AS_FOR_TARGET)
2233 AC_SUBST(DLLTOOL_FOR_TARGET)
2234 AC_SUBST(LD_FOR_TARGET)
2235 AC_SUBST(NM_FOR_TARGET)
2236 AC_SUBST(RANLIB_FOR_TARGET)
2237 AC_SUBST(WINDRES_FOR_TARGET)
2239 # Certain tools may need extra flags.
2240 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
2241 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
2242 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
2244 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
2245 AC_ARG_ENABLE(maintainer-mode,
2246 [ --enable-maintainer-mode enable make rules and dependencies not useful
2247 (and sometimes confusing) to the casual installer],
2248 USE_MAINTAINER_MODE=$enableval,
2249 USE_MAINTAINER_MODE=no)
2250 AC_MSG_RESULT($USE_MAINTAINER_MODE)
2251 AC_SUBST(MAINTAINER_MODE_TRUE)
2252 AC_SUBST(MAINTAINER_MODE_FALSE)
2253 if test "$USE_MAINTAINER_MODE" = yes; then
2254 MAINTAINER_MODE_TRUE=
2255 MAINTAINER_MODE_FALSE='#'
2257 MAINTAINER_MODE_TRUE='#'
2258 MAINTAINER_MODE_FALSE=
2260 MAINT=$MAINTAINER_MODE_TRUE
2263 # ---------------------
2264 # GCC bootstrap support
2265 # ---------------------
2267 # Stage specific cflags for build.
2272 yes) stage1_cflags="-g -Wa,-J" ;;
2273 *) stage1_cflags="-g -J" ;;
2276 # The spiffy cpp-precomp chokes on some legitimate constructs in GCC
2277 # sources; use -no-cpp-precomp to get to GNU cpp.
2278 # Apple's GCC has bugs in designated initializer handling, so disable
2280 stage1_cflags="-g -no-cpp-precomp -DHAVE_DESIGNATED_INITIALIZERS=0"
2283 AC_SUBST(stage1_cflags)
2285 # It makes debugging easier if we create as symlinks the stage directories
2286 # gcc for stageN-gcc and stagePREV-gcc for stage(N-1). In case this is not
2287 # possible, however, we can resort to mv.
2288 AC_CACHE_CHECK([if symbolic links between directories work],
2289 [gcc_cv_prog_ln_s_dir],
2290 [if test "${LN_S}" = "ln -s" \
2291 && mkdir confdir.s1 \
2292 && ln -s confdir.s1 confdir.s2 \
2293 && echo timestamp1 > confdir.s1/conftest.1 \
2294 && cmp confdir.s1/conftest.1 confdir.s2/conftest.1 \
2295 && echo timestamp2 > confdir.s2/conftest.2 \
2296 && cmp confdir.s1/conftest.2 confdir.s1/conftest.2 \
2297 && rm -f confdir.s2; then
2298 gcc_cv_prog_ln_s_dir=yes
2300 gcc_cv_prog_ln_s_dir=no
2302 rm -rf confdir.s1 confdir.s2])
2304 case ${gcc_cv_prog_ln_s_dir} in
2306 CREATE_LINK_TO_DIR='ln -s $$1 $$2'
2307 UNDO_LINK_TO_DIR='rm -f $$1' ;;
2309 CREATE_LINK_TO_DIR='mv $$1 $$2'
2310 UNDO_LINK_TO_DIR='mv $$1 $$2' ;;
2312 AC_SUBST(CREATE_LINK_TO_DIR)
2313 AC_SUBST(UNDO_LINK_TO_DIR)
2315 # Enable -Werror in bootstrap stage2 and later.
2316 # Change the default to "no" on release branches.
2317 AC_ARG_ENABLE(werror,
2318 [ --enable-werror enable -Werror in bootstrap stage2 and later], [],
2319 [enable_werror=yes])
2320 case ${enable_werror} in
2321 yes) stage2_werror_flag="--enable-werror-always" ;;
2322 *) stage2_werror_flag="" ;;
2324 AC_SUBST(stage2_werror_flag)