1 # Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998,
2 # 1999, 2000, 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
4 # This file is free software; you can redistribute it and/or modify it
5 # under the terms of the GNU General Public License as published by
6 # the Free Software Foundation; either version 2 of the License, or
7 # (at your option) any later version.
9 # This program is distributed in the hope that it will be useful, but
10 # WITHOUT ANY WARRANTY; without even the implied warranty of
11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 # General Public License for more details.
14 # You should have received a copy of the GNU General Public License
15 # along with this program; if not, write to the Free Software
16 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
18 ##############################################################################
19 ### WARNING: this file contains embedded tabs. Do not run untabify on this file.
21 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 # Set srcdir to "." if that's what it is.
84 # This is important for multilib support.
86 srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}`
87 if test "${pwd}" = "${srcpwd}" ; then
94 # Define the trigger file to make sure configure will re-run whenever
95 # the gcc version number changes.
96 if test "${with_gcc_version_trigger+set}" = set ; then
97 gcc_version_trigger="$with_gcc_version_trigger"
98 gcc_version=`grep version_string ${with_gcc_version_trigger} | sed -e 's/.*\"\([[^ \"]]*\)[[ \"]].*/\1/'`
100 # If gcc's sources are available, define the trigger file.
101 if test -f ${topsrcdir}/gcc/version.c ; then
102 gcc_version_trigger=${topsrcdir}/gcc/version.c
103 gcc_version=`grep version_string ${gcc_version_trigger} | sed -e 's/.*\"\([[^ \"]]*\)[[ \"]].*/\1/'`
104 case "$ac_configure_args" in
105 *--with-gcc-version-trigger=$gcc_version_trigger* )
108 # Add to all subconfigure arguments: build, host, and target.
109 ac_configure_args="$ac_configure_args --with-gcc-version-trigger=$gcc_version_trigger"
115 ### To add a new directory to the tree, first choose whether it is a target
116 ### or a host dependent tool. Then put it into the appropriate list
117 ### (library or tools, host or target), doing a dependency sort.
119 # Subdirs will be configured in the order listed in build_configdirs,
120 # configdirs, or target_configdirs; see the serialization section below.
122 # Dependency sorting is only needed when *configuration* must be done in
123 # a particular order. In all cases a dependency should be specified in
124 # the Makefile, whether or not it's implicitly specified here.
126 # Double entries in build_configdirs, configdirs, or target_configdirs may
127 # cause circular dependencies and break everything horribly.
129 # these library is used by various programs built for the build
132 build_libs="build-libiberty"
134 # these tools are built for the build environment
135 build_tools="build-texinfo build-byacc build-flex build-bison build-m4"
137 # these libraries are used by various programs built for the host environment
139 host_libs="intl mmalloc libiberty opcodes bfd readline tcl tk itcl tix libgui zlib libbanshee libcpp"
141 # these tools are built for the host environment
142 # Note, the powerpc-eabi build depends on sim occurring before gdb in order to
143 # know that we are building the simulator.
144 # binutils, gas and ld appear in that order because it makes sense to run
145 # "make check" in that particular order.
146 host_tools="texinfo byacc flex bison binutils gas ld gcc sid sim gdb make patch prms send-pr gprof etc expect dejagnu ash bash bzip2 m4 autoconf automake libtool diff rcs fileutils shellutils time textutils wdiff find uudecode hello tar gzip indent recode release sed utils guile perl gawk findutils gettext zip fastjar"
148 # libgcj represents the runtime libraries only used by gcj.
149 libgcj="target-libffi \
155 # these libraries are built for the target environment, and are built after
156 # the host libraries and the host tools (which may be a cross compiler)
158 target_libraries="target-libiberty \
161 target-libstdc++-v3 \
168 # these tools are built using the target libraries, and are intended to
169 # run only in the target environment
171 # note: any program that *uses* libraries that are in the "target_libraries"
172 # list belongs in this list. those programs are also very likely
173 # candidates for the "native_only" list which follows
175 target_tools="target-examples target-groff target-gperf target-rda"
177 ################################################################################
179 ## All tools belong in one of the four categories, and are assigned above
180 ## We assign ${configdirs} this way to remove all embedded newlines. This
181 ## is important because configure will choke if they ever get through.
182 ## ${configdirs} is directories we build using the host tools.
183 ## ${target_configdirs} is directories we build using the target tools.
184 configdirs=`echo ${host_libs} ${host_tools}`
185 target_configdirs=`echo ${target_libraries} ${target_tools}`
187 # Only make build modules if build != host.
188 if test ${host_alias} != ${build_alias} ; then
189 build_configdirs=`echo ${build_libs} ${build_tools}`
192 ################################################################################
194 srcname="gnu development package"
196 # This gets set non-empty for some net releases of packages.
199 # Define is_cross_compiler to save on calls to 'test'.
201 if test x"${host}" = x"${target}" ; then
204 is_cross_compiler=yes
207 # Find the build and target subdir names.
210 # Skipdirs are removed silently.
212 # Noconfigdirs are removed loudly.
216 # Make sure we don't let GNU ld be added if we didn't want it.
217 if test x$with_gnu_ld = xno ; then
219 noconfigdirs="$noconfigdirs ld"
223 # Make sure we don't let GNU as be added if we didn't want it.
224 if test x$with_gnu_as = xno ; then
226 noconfigdirs="$noconfigdirs gas"
229 # some tools are so dependent upon X11 that if we're not building with X,
230 # it's not even worth trying to configure, much less build, that tool.
233 yes | "") ;; # the default value for this tree is that X11 is available
235 skipdirs="${skipdirs} tk tix itcl libgui"
236 # We won't be able to build gdbtk without X.
239 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
242 # Some tools are only suitable for building in a "native" situation.
243 # Remove these if host!=target.
244 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"
246 # Similarly, some are only suitable for cross toolchains.
247 # Remove these if host=target.
248 cross_only="target-libgloss target-newlib target-opcodes"
250 case $is_cross_compiler in
251 no) skipdirs="${skipdirs} ${cross_only}" ;;
252 yes) skipdirs="${skipdirs} ${native_only}" ;;
255 # If both --with-headers and --with-libs are specified, default to
257 if test x"${with_headers}" != x && test x"${with_headers} != xno \
258 && test x"${with_libs}" != x && test x"${with_libs} != xno ; then
259 if test x"${with_newlib}" = x ; then
264 # Recognize --with-newlib/--without-newlib.
265 case ${with_newlib} in
266 no) skipdirs="${skipdirs} target-newlib" ;;
267 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
270 # Configure extra directories which are host specific
274 configdirs="$configdirs libtermcap" ;;
277 # Remove more programs from consideration, based on the host or
278 # target this usually means that a port of the program doesn't
283 noconfigdirs="$noconfigdirs byacc"
285 i[[3456789]]86-*-vsta)
286 noconfigdirs="$noconfigdirs tcl expect dejagnu make texinfo bison patch flex byacc send-pr gprof uudecode dejagnu diff guile perl itcl tix gnuserv gettext"
288 i[[3456789]]86-*-go32* | i[[3456789]]86-*-msdosdjgpp*)
289 noconfigdirs="$noconfigdirs tcl tk expect dejagnu send-pr uudecode guile itcl tix gnuserv libffi"
291 i[[3456789]]86-*-mingw32*)
292 # noconfigdirs="tcl tk expect dejagnu make texinfo bison patch flex byacc send-pr uudecode dejagnu diff guile perl itcl tix gnuserv"
293 noconfigdirs="$noconfigdirs expect dejagnu autoconf automake send-pr rcs guile perl texinfo libtool"
295 i[[3456789]]86-*-beos*)
296 noconfigdirs="$noconfigdirs tk itcl tix libgui gdb"
299 noconfigdirs="$noconfigdirs autoconf automake send-pr rcs guile perl"
302 noconfigdirs="$noconfigdirs rcs"
305 noconfigdirs="$noconfigdirs patch diff make tk tcl expect dejagnu autoconf automake texinfo bison send-pr gprof rcs guile perl itcl tix gnuserv"
308 noconfigdirs="$noconfigdirs tk itcl tix libgui gdb dejagnu readline"
311 noconfigdirs="$noconfigdirs tk itcl tix libgui"
315 AC_ARG_WITH(libbanshee,
316 [ --without-libbanshee Don't build with libbanshee])
317 case ${with_libbanshee} in
319 noconfigdirs="$noconfigdirs libbanshee" ;;
324 AC_MSG_ERROR([--with-libbanshee can only be empty, "yes" or "no" (empty defaults to "yes".])
327 AC_ARG_ENABLE(libada,
328 [ --enable-libada Builds libada directory],
329 ENABLE_LIBADA=$enableval,
331 if test "${ENABLE_LIBADA}" != "yes" ; then
332 noconfigdirs="$noconfigdirs target-libada"
335 # Save it here so that, even in case of --enable-libgcj, if the Java
336 # front-end isn't enabled, we still get libgcj disabled.
338 case $enable_libgcj in
340 # If we reset it here, it won't get added to noconfigdirs in the
341 # target-specific build rules, so it will be forcibly enabled
342 # (unless the Java language itself isn't enabled).
346 # Make sure we get it printed in the list of not supported target libs.
347 noconfigdirs="$noconfigdirs ${libgcj}"
352 # Allow --disable-libmudflap to exclude target-libmudflap
353 case $enable_libmudflap in
357 noconfigdirs="$noconfigdirs target-libmudflap"
362 # Enable libmudflap by default in GNU/Linux.
365 # Disable it by default everywhere else.
366 noconfigdirs="$noconfigdirs target-libmudflap"
374 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
377 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes gdb gprof"
378 noconfigdirs="$noconfigdirs target-libobjc"
381 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes gdb gprof"
382 noconfigdirs="$noconfigdirs target-libobjc ${libgcj}"
384 *-*-freebsd[[12]] | *-*-freebsd[[12]].* | *-*-freebsd*aout*)
385 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
387 *-*-freebsd* | *-*-kfreebsd*-gnu)
388 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
389 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
390 && test -f /usr/local/include/gmp.h; then
394 # Skip some stuff that's unsupported on some FreeBSD configurations.
399 noconfigdirs="$noconfigdirs ${libgcj}"
404 # Remove unsupported stuff on all kaOS configurations.
405 skipdirs="target-libiberty ${libgcj} target-libstdc++-v3 target-librx"
406 skipdirs="$skipdirs target-libobjc target-examples target-groff target-gperf"
407 skipdirs="$skipdirs zlib fastjar target-libjava target-boehm-gc target-zlib"
408 noconfigdirs="$noconfigdirs target-libgloss"
411 # Skip some stuff on all NetBSD configurations.
412 noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss"
414 # Skip some stuff that's unsupported on some NetBSD configurations.
416 i*86-*-netbsdelf*) ;;
417 arm*-*-netbsdelf*) ;;
419 noconfigdirs="$noconfigdirs ${libgcj}"
424 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-newlib target-libiberty target-libgloss ${libgcj}"
427 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
430 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-rda ${libgcj}"
433 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libiberty ${libgcj}"
436 # ld works, but does not support shared libraries.
437 # newlib is not 64 bit ready. I'm not sure about fileutils.
438 # gas doesn't generate exception information.
439 noconfigdirs="$noconfigdirs gas ld fileutils target-newlib target-libgloss"
442 noconfigdirs="$noconfigdirs gdb ld target-newlib target-libgloss ${libgcj}"
445 # newlib is not 64 bit ready
446 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
449 # newlib is not 64 bit ready
450 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
453 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
456 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
458 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
459 noconfigdirs="$noconfigdirs ${libgcj}"
460 noconfigdirs="$noconfigdirs target-examples"
461 noconfigdirs="$noconfigdirs target-libiberty texinfo send-pr"
462 noconfigdirs="$noconfigdirs tcl tix tk itcl libgui sim"
463 noconfigdirs="$noconfigdirs expect dejagnu"
464 # the C++ libraries don't build on top of CE's C libraries
465 noconfigdirs="$noconfigdirs target-libstdc++-v3"
466 noconfigdirs="$noconfigdirs target-newlib"
468 *-*-cygwin*) ;; # keep gdb and readline
469 *) noconfigdirs="$noconfigdirs gdb readline"
474 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
476 arm-*-coff | strongarm-*-coff | xscale-*-coff)
477 noconfigdirs="$noconfigdirs ${libgcj}"
479 arm-*-elf* | strongarm-*-elf* | xscale-*-elf*)
480 noconfigdirs="$noconfigdirs target-libffi target-qthreads"
483 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
486 noconfigdirs="$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 target-libgloss ${libgcj}"
501 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
504 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
507 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
509 c54x*-*-* | tic54x-*-*)
510 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj} gcc gdb newlib"
513 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
516 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
519 noconfigdirs="$noconfigdirs ${libgcj} gdb"
522 noconfigdirs="$noconfigdirs ${libgcj} gdb"
525 noconfigdirs="$noconfigdirs ${libgcj}"
528 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
531 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
533 hppa*64*-*-linux* | parisc*64*-*-linux*)
534 # In this case, it's because the hppa64-linux target is for
535 # the kernel only at this point and has no libc, and thus no
536 # headers, crt*.o, etc., all of which are needed by these.
537 noconfigdirs="$noconfigdirs target-zlib"
540 parisc*-*-linux* | hppa*-*-linux* | \
544 noconfigdirs="$noconfigdirs ${libgcj}"
545 # Do configure ld/binutils/gas for this case.
548 # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
549 # build on HP-UX 10.20.
550 noconfigdirs="$noconfigdirs ld shellutils ${libgcj}"
553 noconfigdirs="$noconfigdirs ${libgcj} gdb"
556 # No gdb support yet.
557 noconfigdirs="$noconfigdirs tix readline mmalloc libgui itcl gdb"
560 # No gdb or ld support yet.
561 noconfigdirs="$noconfigdirs ${libgcj} tix readline mmalloc libgui itcl gdb ld"
563 i[[3456789]]86-*-coff | i[[3456789]]86-*-elf)
564 noconfigdirs="$noconfigdirs ${libgcj}"
566 i[[3456789]]86-*-linux*)
567 # The GCC port for glibc1 has no MD_FALLBACK_FRAME_STATE_FOR, so let's
568 # not build java stuff by default.
571 noconfigdirs="$noconfigdirs ${libgcj}";;
574 # This section makes it possible to build newlib natively on linux.
575 # If we are using a cross compiler then don't configure newlib.
576 if test x${is_cross_compiler} != xno ; then
577 noconfigdirs="$noconfigdirs target-newlib"
579 noconfigdirs="$noconfigdirs target-libgloss"
580 # If we are not using a cross compiler, do configure newlib.
581 # Note however, that newlib will only be configured in this situation
582 # if the --with-newlib option has been given, because otherwise
583 # 'target-newlib' will appear in skipdirs.
585 i[[3456789]]86-*-mingw32*)
586 target_configdirs="$target_configdirs target-mingw"
587 noconfigdirs="$noconfigdirs expect target-libgloss ${libgcj}"
589 # Can't build gdb for mingw32 if not native.
591 i[[3456789]]86-*-mingw32) ;; # keep gdb tcl tk expect etc.
592 *) noconfigdirs="$noconfigdirs gdb tcl tk expect itcl tix gnuserv"
597 target_configdirs="$target_configdirs target-libtermcap target-winsup"
598 noconfigdirs="$noconfigdirs target-gperf target-libgloss ${libgcj}"
599 # always build newlib if winsup directory is present.
600 if test -d "$srcdir/winsup"
602 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
604 echo "Warning: winsup is missing so newlib can't be built."
607 # Can't build gdb for Cygwin if not native.
609 *-*-cygwin*) ;; # keep gdb tcl tk expect etc.
610 *) noconfigdirs="$noconfigdirs gdb tcl tk expect itcl tix libgui gnuserv"
615 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
617 i[[3456789]]86-*-sco3.2v5*)
618 # The linker does not yet know about weak symbols in COFF,
619 # and is not configured to handle mixed ELF and COFF.
620 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
622 i[[3456789]]86-*-sco*)
623 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
625 i[[3456789]]86-*-solaris2*)
626 noconfigdirs="$noconfigdirs target-libgloss"
628 i[[3456789]]86-*-sysv4*)
629 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
631 i[[3456789]]86-*-beos*)
632 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
635 noconfigdirs="$noconfigdirs ${libgcj}"
637 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
638 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
641 noconfigdirs="$noconfigdirs ${libgcj}"
644 noconfigdirs="$noconfigdirs ${libgcj}"
647 # The EPOC C++ environment does not support exceptions or rtti,
648 # and so building libstdc++-v3 tends not to always work.
649 noconfigdirs="$noconfigdirs target-libstdc++-v3"
652 noconfigdirs="$noconfigdirs ${libgcj} gdb libgloss"
655 noconfigdirs="$noconfigdirs ${libgcj}"
658 noconfigdirs="$noconfigdirs ${libgcj}"
661 # copied from rs6000-*-* entry
662 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
664 powerpc*-*-winnt* | powerpc*-*-pe* | ppc*-*-pe)
665 target_configdirs="$target_configdirs target-winsup"
666 noconfigdirs="$noconfigdirs gdb tcl tk make expect target-libgloss itcl tix gnuserv ${libgcj}"
667 # always build newlib.
668 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
670 # This is temporary until we can link against shared libraries
671 powerpcle-*-solaris*)
672 noconfigdirs="$noconfigdirs gdb sim make tcl tk expect itcl tix gnuserv ${libgcj}"
675 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
678 noconfigdirs="$noconfigdirs ${libgcj}"
681 noconfigdirs="$noconfigdirs target-newlib gprof ${libgcj}"
684 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
687 noconfigdirs="$noconfigdirs gprof ${libgcj}"
690 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss ${libgcj}"
693 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
696 # Linking libjava exceeds command-line length limits on at least
697 # IRIX 6.2, but not on IRIX 6.5.
698 # Also, boehm-gc won't build on IRIX 6.5, according to Jeffrey Oldham
699 # <oldham@codesourcery.com>
700 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
703 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
706 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
709 noconfigdirs="$noconfigdirs gprof ${libgcj}" # same as generic mips
712 noconfigdirs="$noconfigdirs target-newlib ${libgcj}"
715 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
718 noconfigdirs="$noconfigdirs gprof ${libgcj}"
721 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes target-libgloss ${libgcj}"
725 i[[3456789]]86-*-vsta) ;; # don't add gprof back in
726 i[[3456789]]86-*-go32*) ;; # don't add gprof back in
727 i[[3456789]]86-*-msdosdjgpp*) ;; # don't add gprof back in
728 *) skipdirs=`echo " ${skipdirs} " | sed -e 's/ gprof / /'` ;;
730 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
733 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
736 noconfigdirs="$noconfigdirs ${libgcj}"
739 noconfigdirs="$noconfigdirs ${libgcj}"
742 noconfigdirs="$noconfigdirs ${libgcj}"
745 noconfigdirs="$noconfigdirs ${libgcj}"
746 if test x${is_cross_compiler} != xno ; then
747 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
752 sparc-*-solaris* | sparc64-*-solaris* | sparcv9-*-solaris*)
755 noconfigdirs="$noconfigdirs bfd binutils gas gcc gdb ld target-libstdc++-v3 opcodes target-libgloss ${libgcj}"
758 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
761 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
764 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
767 noconfigdirs="$noconfigdirs bfd binutils gdb ld target-newlib opcodes target-libgloss ${libgcj}"
770 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
773 noconfigdirs="$noconfigdirs ${libgcj}"
776 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
779 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
782 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
785 noconfigdirs="$noconfigdirs ${libgcj}"
789 # If we aren't building newlib, then don't build libgloss, since libgloss
790 # depends upon some newlib header files.
791 case "${noconfigdirs}" in
792 *target-libgloss*) ;;
793 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
796 # Work in distributions that contain no compiler tools, like Autoconf.
798 host_makefile_frag=/dev/null
799 if test -d ${srcdir}/config ; then
802 # Avoid "too much defining" errors from HPUX compiler.
803 tentative_cc="cc -Wp,-H256000"
804 # If "ar" in $PATH is GNU ar, the symbol table may need rebuilding.
805 # If it's HP/UX ar, this should be harmless.
809 tentative_cc="cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DUSG"
812 #None of the Apollo compilers can compile gas or binutils. The preprocessor
813 # chokes on bfd, the compiler won't let you assign integers to enums, and
814 # other problems. Defining CC to gcc is a questionable way to say "don't use
815 # the apollo compiler" (the preferred version of GCC could be called cc,
816 # or whatever), but I'm not sure leaving CC as cc is any better...
817 #CC=cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DNO_STDARG
818 # Used to have BISON=yacc.
822 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
825 # Under CX/UX, we want to tell the compiler to use ANSI mode.
826 tentative_cc="cc -Xa"
827 host_makefile_frag="config/mh-cxux"
832 tentative_cc="cc -Wf,-XNg1000"
833 host_makefile_frag="config/mh-decstation"
836 # The C compiler on NEC MIPS SVR4 needs bigger tables.
837 tentative_cc="cc -ZXNd=5000 -ZXNg=1000"
838 host_makefile_frag="config/mh-necv4"
841 # Tell compiler to use K&R C. We can't compile under the SGI Ansi
842 # environment. Also bump switch table size so that cp-parse will
843 # compile. Bump string length limit so linker builds.
844 tentative_cc="cc -cckr -Wf,-XNg1500 -Wf,-XNk1000 -Wf,-XNh2000 -Wf,-XNl8192"
847 host_makefile_frag="config/mh-sysv4"
850 # This is for a MIPS running RISC/os 4.52C.
852 # This is needed for GDB, but needs to be in the top-level make because
853 # if a library is compiled with the bsd headers and gets linked with the
854 # sysv system libraries all hell can break loose (e.g. a jmp_buf might be
856 # ptrace(2) apparently has problems in the BSD environment. No workaround is
857 # known except to select the sysv environment. Could we use /proc instead?
858 # These "sysv environments" and "bsd environments" often end up being a pain.
860 # This is not part of CFLAGS because perhaps not all C compilers have this
862 tentative_cc="cc -systype sysv"
867 i[[3456789]]86-*-sysv5*)
868 host_makefile_frag="config/mh-sysv5"
870 i[[3456789]]86-*-dgux*)
871 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
872 host_makefile_frag="config/mh-dgux386"
874 i[[3456789]]86-ncr-sysv4.3*)
875 # The MetaWare compiler will generate a copyright message unless you
876 # turn it off by adding the -Hnocopyr flag.
877 tentative_cc="cc -Hnocopyr"
879 i[[3456789]]86-ncr-sysv4*)
880 # for an NCR 3000 (i486/SVR4) system.
881 # The NCR 3000 ships with a MetaWare compiler installed as /bin/cc.
882 # This compiler not only emits obnoxious copyright messages every time
883 # you run it, but it chokes and dies on a whole bunch of GNU source
884 # files. Default to using the AT&T compiler installed in /usr/ccs/ATT/cc.
885 tentative_cc="/usr/ccs/ATT/cc"
886 host_makefile_frag="config/mh-ncr3000"
888 i[[3456789]]86-*-sco3.2v5*)
890 i[[3456789]]86-*-sco*)
891 # The native C compiler botches some simple uses of const. Unfortunately,
892 # it doesn't defined anything like "__sco__" for us to test for in ansidecl.h.
893 tentative_cc="cc -Dconst="
894 host_makefile_frag="config/mh-sco"
896 i[[3456789]]86-*-udk*)
897 host_makefile_frag="config/mh-sysv5"
899 i[[3456789]]86-*-solaris2*)
900 host_makefile_frag="config/mh-sysv4"
902 i[[3456789]]86-*-msdosdjgpp*)
903 host_makefile_frag="config/mh-djgpp"
906 host_makefile_frag="config/mh-cygwin"
909 host_makefile_frag="config/mh-mingw32"
912 host_makefile_frag="config/mh-interix"
915 # The old BSD pcc isn't up to compiling parts of gdb so use gcc
919 host_makefile_frag="config/mh-solaris"
922 # Sun's C compiler needs the -J flag to be able to compile cp-parse.c
923 # without overflowing the jump tables (-J says to use a 32 bit table)
927 tentative_cc="cc -Wp,-H256000"
930 tentative_cc="cc -Wp,-H256000"
933 # /bin/cc is less than useful for our purposes. Always use GCC
934 tentative_cc="/usr/cygnus/progressive/bin/gcc"
935 host_makefile_frag="config/mh-lynxrs6k"
938 # /bin/cc is less than useful for our purposes. Always use GCC
939 tentative_cc="/bin/gcc"
942 host_makefile_frag="config/mh-sysv4"
947 # If we aren't going to be using gcc, see if we can extract a definition
948 # of CC from the fragment.
949 # Actually, use the 'pre-extracted' version above.
950 if test -z "${CC}" && test "${build}" = "${host}" ; then
951 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
954 test -z "$dir" && dir=.
955 if test -f $dir/gcc; then
961 if test -z "${found}" && test -n "${tentative_cc}" ; then
966 if test "${build}" != "${host}" ; then
967 # If we are doing a Canadian Cross, in which the host and build systems
968 # are not the same, we set reasonable default values for the tools.
970 CC=${CC-${host_alias}-gcc}
971 CFLAGS=${CFLAGS-"-g -O2"}
972 CXX=${CXX-${host_alias}-c++}
973 CXXFLAGS=${CXXFLAGS-"-g -O2"}
974 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
975 CC_FOR_TARGET=${CC_FOR_TARGET-${target_alias}-gcc}
976 CXX_FOR_TARGET=${CXX_FOR_TARGET-${target_alias}-c++}
977 GCJ_FOR_TARGET=${GCJ_FOR_TARGET-${target_alias}-gcj}
978 GCC_FOR_TARGET=${GCC_FOR_TARGET-${CC_FOR_TARGET-${target_alias}-gcc}}
979 BUILD_DIR_PREFIX=${build_subdir}
980 BUILD_PREFIX=${build_alias}-
981 BUILD_PREFIX_1=${build_alias}-
984 # Set reasonable default values for some tools even if not Canadian.
985 # Of course, these are different reasonable default values, originally
986 # specified directly in the Makefile.
987 # We don't export, so that autoconf can do its job.
988 # Note that all these settings are above the fragment inclusion point
989 # in Makefile.in, so can still be overridden by fragments.
990 # This is all going to change when we autoconfiscate...
992 CC_FOR_BUILD="\$(CC)"
993 GCC_FOR_TARGET="\$(USUAL_GCC_FOR_TARGET)"
996 BUILD_PREFIX_1=loser-
1000 # We must set the default linker to the linker used by gcc for the correct
1001 # operation of libtool. If LD is not defined and we are using gcc, try to
1002 # set the LD default to the ld used by gcc.
1003 if test -z "$LD"; then
1004 if test "$GCC" = yes; then
1007 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1009 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1011 case $gcc_prog_ld in
1012 # Accept absolute paths.
1013 [[\\/]* | [A-Za-z]:[\\/]*)]
1014 LD="$gcc_prog_ld" ;;
1020 CFLAGS=${CFLAGS-"-g"}
1021 CXXFLAGS=${CXXFLAGS-"-g -O2"}
1025 ACX_PROG_CMP_IGNORE_INITIAL
1031 # Specify a location for gmp
1032 AC_ARG_WITH(gmp-dir, [ --with-gmp-dir=PATH Specify source directory for GMP library])
1034 if test "x$with_gmp_dir" != x && test -f "$with_gmp_dir/gmp.h"; then
1035 gmpinc="-I$with_gmp_dir"
1036 if test -f "$with_gmp_dir/.libs/libgmp.a"; then
1037 gmplibs="$with_gmp_dir/.libs/libgmp.a"
1038 elif test -f "$with_gmp_dir/_libs/libgmp.a"; then
1039 gmplibs="$with_gmp_dir/_libs/libgmp.a"
1041 # One of the later tests will catch the error if neither library is present.
1044 AC_ARG_WITH(gmp, [ --with-gmp=PATH Specify directory for installed GMP library])
1046 if test "x$with_gmp" != x && test -d "$with_gmp"; then
1047 gmplibs="-L$with_gmp/lib -lgmp"
1048 gmpinc="-I$with_gmp/include"
1051 # Use system gmp if nothing else specified
1052 if test "x$gmplibs" = x; then
1056 saved_CFLAGS="$CFLAGS"
1057 CFLAGS="$CFLAGS $gmpinc"
1058 # Check GMP actually works
1059 AC_MSG_CHECKING([for correct version of gmp.h])
1060 AC_TRY_COMPILE([#include "gmp.h"],[
1061 #if __GNU_MP_VERSION < 3
1064 ], [AC_MSG_RESULT([yes])],
1065 [AC_MSG_RESULT([no]); have_gmp=no])
1067 if test x"$have_gmp" = xyes; then
1068 AC_MSG_CHECKING([for mpf_init in -lgmp])
1071 LIBS="$LIBS $gmplibs"
1072 AC_TRY_LINK([#include <gmp.h>], [mpf_t n; mpf_init(n);],
1073 [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1075 CFLAGS="$saved_CFLAGS"
1081 # By default, C is the only stage 1 language.
1083 AC_SUBST(stage1_languages)
1085 # Figure out what language subdirectories are present.
1086 # Look if the user specified --enable-languages="..."; if not, use
1087 # the environment variable $LANGUAGES if defined. $LANGUAGES might
1089 # NB: embedded tabs in this IF block -- do not untabify
1090 if test -d ${srcdir}/gcc; then
1091 if test x"${enable_languages+set}" != xset; then
1092 if test x"${LANGUAGES+set}" = xset; then
1093 enable_languages="${LANGUAGES}"
1094 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1096 enable_languages=all
1099 if test x"${enable_languages}" = x ||
1100 test x"${enable_languages}" = xyes;
1102 echo configure.in: --enable-languages needs at least one language argument 1>&2
1106 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1108 # First scan to see if an enabled language requires some other language.
1109 # We assume that a given config-lang.in will list all the language
1110 # front ends it requires, even if some are required indirectly.
1111 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1112 case ${lang_frag} in
1114 # The odd quoting in the next line works around
1115 # an apparent bug in bash 1.12 on linux.
1116 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1118 # From the config-lang.in, get $language, $lang_requires
1122 for other in ${lang_requires} ; do
1123 case ,${enable_languages}, in
1127 echo " \`$other' language required by \`$language'; enabling" 1>&2
1128 enable_languages="${enable_languages},${other}"
1136 new_enable_languages=c
1137 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
1139 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1140 case ${lang_frag} in
1142 # The odd quoting in the next line works around
1143 # an apparent bug in bash 1.12 on linux.
1144 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1146 # From the config-lang.in, get $language, $target_libs,
1147 # $lang_dirs, $boot_language, and $build_by_default
1155 # This is quite sensitive to the ordering of the case statement arms.
1156 case ,${enable_languages},:${language}:${have_gnat}:${build_by_default} in
1158 echo "${lang_frag} doesn't set \$language." 1>&2
1162 # Ada was requested with no preexisting GNAT. Disable unconditionally.
1165 *,${language},*:*:*:*)
1166 # Language was explicitly selected; include it.
1170 # 'all' was selected, but this is not a default language
1171 # so do not include it.
1175 # 'all' was selected and this is a default language; include it.
1183 # Disable language that need GMP if it isn't available.
1184 if test x"$need_gmp" = xyes && test x"$have_gmp" = xno; then
1188 case $add_this_lang in
1190 # Remove language-dependent dirs.
1191 eval noconfigdirs='"$noconfigdirs "'\"$target_libs $lang_dirs\"
1194 new_enable_languages="$new_enable_languages,$language"
1195 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
1196 case ${boot_language} in
1198 # Add to (comma-separated) list of stage 1 languages.
1199 stage1_languages="${stage1_languages},${language}"
1208 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
1209 if test "x$missing_languages" != x; then
1211 The following requested languages were not found: ${missing_languages}])
1214 if test "x$new_enable_languages" != "x$enable_languages"; then
1215 echo The following languages will be built: ${new_enable_languages}
1217 enable_languages="$new_enable_languages"
1218 ac_configure_args=`echo " $ac_configure_args" | sed -e 's/ --enable-languages=[[^ ]]*//' -e 's/$/ --enable-languages='"$enable_languages"/ `
1221 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs and
1222 # $target_configdirs.
1223 # If we have the source for $noconfigdirs entries, add them to $notsupp.
1226 for dir in . $skipdirs $noconfigdirs ; do
1227 dirname=`echo $dir | sed -e s/target-//g`
1228 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1229 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
1230 if test -r $srcdir/$dirname/configure ; then
1231 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1234 notsupp="$notsupp $dir"
1238 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1239 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
1240 if test -r $srcdir/$dirname/configure ; then
1241 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1244 notsupp="$notsupp $dir"
1250 # Sometimes the tools are distributed with libiberty but with no other
1251 # libraries. In that case, we don't want to build target-libiberty.
1252 if test -n "${target_configdirs}" ; then
1254 for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do
1255 if test "$i" != "libiberty" ; then
1256 if test -r $srcdir/$i/configure ; then
1262 if test -z "${others}" ; then
1267 # Quietly strip out all directories which aren't configurable in this tree.
1268 # This relies on all configurable subdirectories being autoconfiscated, which
1270 build_configdirs_all="$build_configdirs"
1272 for i in ${build_configdirs_all} ; do
1273 j=`echo $i | sed -e s/build-//g`
1274 if test -f ${srcdir}/$j/configure ; then
1275 build_configdirs="${build_configdirs} $i"
1279 configdirs_all="$configdirs"
1281 for i in ${configdirs_all} ; do
1282 if test -f ${srcdir}/$i/configure ; then
1283 configdirs="${configdirs} $i"
1287 target_configdirs_all="$target_configdirs"
1289 for i in ${target_configdirs_all} ; do
1290 j=`echo $i | sed -e s/target-//g`
1291 if test -f ${srcdir}/$j/configure ; then
1292 target_configdirs="${target_configdirs} $i"
1296 # Produce a warning message for the subdirs we can't configure.
1297 # This isn't especially interesting in the Cygnus tree, but in the individual
1298 # FSF releases, it's important to let people know when their machine isn't
1299 # supported by the one or two programs in a package.
1301 if test -n "${notsupp}" && test -z "${norecursion}" ; then
1302 # If $appdirs is non-empty, at least one of those directories must still
1303 # be configured, or we error out. (E.g., if the gas release supports a
1304 # specified target in some subdirs but not the gas subdir, we shouldn't
1305 # pretend that all is well.)
1306 if test -n "$appdirs" ; then
1307 for dir in $appdirs ; do
1308 if test -r $dir/Makefile.in ; then
1309 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1313 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
1319 if test -n "$appdirs" ; then
1320 echo "*** This configuration is not supported by this package." 1>&2
1324 # Okay, some application will build, or we don't care to check. Still
1325 # notify of subdirs not getting built.
1326 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
1327 echo " ${notsupp}" 1>&2
1328 echo " (Any other directories should still work fine.)" 1>&2
1338 # Handle --with-headers=XXX. If the value is not "yes", the contents of
1339 # the named directory are copied to $(tooldir)/sys-include.
1340 if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
1341 if test x${is_cross_compiler} = xno ; then
1342 echo 1>&2 '***' --with-headers is only supported when cross compiling
1345 if test x"${with_headers}" != xyes ; then
1346 case "${exec_prefixoption}" in
1348 *) x=${exec_prefix} ;;
1350 copy_dirs="${copy_dirs} ${with_headers} $x/${target_alias}/sys-include"
1354 # Handle --with-libs=XXX. If the value is not "yes", the contents of
1355 # the name directories are copied to $(tooldir)/lib. Multiple directories
1357 if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
1358 if test x${is_cross_compiler} = xno ; then
1359 echo 1>&2 '***' --with-libs is only supported when cross compiling
1362 if test x"${with_libs}" != xyes ; then
1363 # Copy the libraries in reverse order, so that files in the first named
1364 # library override files in subsequent libraries.
1365 case "${exec_prefixoption}" in
1367 *) x=${exec_prefix} ;;
1369 for l in ${with_libs}; do
1370 copy_dirs="$l $x/${target_alias}/lib ${copy_dirs}"
1375 # Handle ${copy_dirs}
1376 set fnord ${copy_dirs}
1378 while test $# != 0 ; do
1379 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
1382 echo Copying $1 to $2
1384 # Use the install script to create the directory and all required
1385 # parent directories.
1386 if test -d $2 ; then
1390 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
1393 # Copy the directory, assuming we have tar.
1394 # FIXME: Should we use B in the second tar? Not all systems support it.
1395 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
1397 # It is the responsibility of the user to correctly adjust all
1398 # symlinks. If somebody can figure out how to handle them correctly
1399 # here, feel free to add the code.
1406 extra_arflags_for_target=
1407 extra_nmflags_for_target=
1408 extra_ranlibflags_for_target=
1409 target_makefile_frag=/dev/null
1411 i[[3456789]]86-*-netware*)
1412 target_makefile_frag="config/mt-netware"
1415 target_makefile_frag="config/mt-netware"
1418 target_makefile_frag="config/mt-linux"
1420 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
1421 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
1422 # commands to handle both 32-bit and 64-bit objects. These flags are
1423 # harmless if we're using GNU nm or ar.
1424 extra_arflags_for_target=" -X32_64"
1425 extra_nmflags_for_target=" -B -X32_64"
1428 # ranlib from Darwin requires the -c flag to look at common symbols.
1429 extra_ranlibflags_for_target=" -c"
1431 mips*-*-pe | sh*-*-pe | *arm-wince-pe)
1432 target_makefile_frag="config/mt-wince"
1436 alphaieee_frag=/dev/null
1439 # This just makes sure to use the -mieee option to build target libs.
1440 # This should probably be set individually by each library.
1441 alphaieee_frag="config/mt-alphaieee"
1445 # If --enable-target-optspace always use -Os instead of -O2 to build
1446 # the target libraries, similarly if it is not specified, use -Os
1447 # on selected platforms.
1448 ospace_frag=/dev/null
1449 case "${enable_target_optspace}:${target}" in
1451 ospace_frag="config/mt-ospace"
1454 ospace_frag="config/mt-d30v"
1456 :m32r-* | :d10v-* | :fr30-*)
1457 ospace_frag="config/mt-ospace"
1462 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
1466 # Set with_gnu_as and with_gnu_ld as appropriate.
1468 # This is done by determining whether or not the appropriate directory
1469 # is available, and by checking whether or not specific configurations
1470 # have requested that this magic not happen.
1472 # The command line options always override the explicit settings in
1473 # configure.in, and the settings in configure.in override this magic.
1475 # If the default for a toolchain is to use GNU as and ld, and you don't
1476 # want to do that, then you should use the --without-gnu-as and
1477 # --without-gnu-ld options for the configure script.
1479 if test x${use_gnu_as} = x &&
1480 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
1482 extra_host_args="$extra_host_args --with-gnu-as"
1485 if test x${use_gnu_ld} = x &&
1486 echo " ${configdirs} " | grep " ld " > /dev/null 2>&1 ; then
1488 extra_host_args="$extra_host_args --with-gnu-ld"
1491 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
1492 # can detect this case.
1494 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
1496 extra_host_args="$extra_host_args --with-newlib"
1499 if test x${with_libbanshee} = xyes && echo " ${configdirs} " | grep " libbanshee " >/dev/null 2>&1; then
1500 extra_host_args="$extra_host_args --with-libbanshee"
1503 # Default to using --with-stabs for certain targets.
1504 if test x${with_stabs} = x ; then
1506 mips*-*-irix[[56]]*)
1508 mips*-*-* | alpha*-*-osf*)
1510 extra_host_args="${extra_host_args} --with-stabs"
1515 # hpux11 in 64bit mode has libraries in a weird place. Arrange to find
1516 # them automatically.
1519 extra_host_args="$extra_host_args -x-libraries=/usr/lib/pa20_64 -x-includes=/usr/X11R6/include"
1523 # Some systems (e.g., one of the i386-aix systems the gas testers are
1524 # using) don't handle "\$" correctly, so don't use it here.
1525 tooldir='${exec_prefix}'/${target_alias}
1526 build_tooldir=${tooldir}
1528 # Generate default definitions for YACC, M4, LEX and other programs that run
1529 # on the build machine. These are used if the Makefile can't locate these
1530 # programs in objdir.
1531 MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
1532 AC_CHECK_PROGS([CONFIGURED_BISON], [bison], [$MISSING bison])
1533 AC_CHECK_PROGS([CONFIGURED_YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
1534 AC_CHECK_PROGS([CONFIGURED_M4], [gm4 gnum4 m4], [$MISSING m4])
1535 AC_CHECK_PROGS([CONFIGURED_FLEX], [flex], [$MISSING flex])
1536 AC_CHECK_PROGS([CONFIGURED_LEX], [flex lex], [$MISSING flex])
1537 AC_CHECK_PROGS([CONFIGURED_MAKEINFO], makeinfo, [$MISSING makeinfo])
1539 # Create a .gdbinit file which runs the one in srcdir
1540 # and tells GDB to look there for source files.
1542 if test -r ${srcdir}/.gdbinit ; then
1545 *) cat > ./.gdbinit <<EOF
1549 source ${srcdir}/.gdbinit
1555 # Make sure that the compiler is able to generate an executable. If it
1556 # can't, we are probably in trouble. We don't care whether we can run the
1557 # executable--we might be using a cross compiler--we only care whether it
1558 # can be created. At this point the main configure script has set CC.
1560 echo "int main () { return 0; }" > conftest.c
1561 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
1562 if test $? = 0 ; then
1563 if test -s conftest || test -s conftest.exe ; then
1569 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
1570 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
1577 # The Solaris /usr/ucb/cc compiler does not appear to work.
1579 sparc-sun-solaris2*)
1580 CCBASE="`echo ${CC-cc} | sed 's/ .*$//'`"
1581 if test "`type $CCBASE | sed 's/^[[^/]]*//'`" = "/usr/ucb/cc" ; then
1583 test -d /opt/SUNWspro/bin && could_use="/opt/SUNWspro/bin"
1584 if test -d /opt/cygnus/bin ; then
1585 if test "$could_use" = "" ; then
1586 could_use="/opt/cygnus/bin"
1588 could_use="$could_use or /opt/cygnus/bin"
1591 if test "$could_use" = "" ; then
1592 echo "Warning: compilation may fail because you're using"
1593 echo "/usr/ucb/cc. You should change your PATH or CC "
1594 echo "variable and rerun configure."
1596 echo "Warning: compilation may fail because you're using"
1597 echo "/usr/ucb/cc, when you should use the C compiler from"
1598 echo "$could_use. You should change your"
1599 echo "PATH or CC variable and rerun configure."
1605 # If --enable-shared was set, we must set LD_LIBRARY_PATH so that the
1606 # binutils tools will find libbfd.so.
1607 case "${enable_shared}" in
1608 no | "") SET_LIB_PATH= ;;
1609 *) SET_LIB_PATH="\$(REALLY_SET_LIB_PATH)" ;;
1613 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
1614 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
1617 # Record target_configdirs and the configure arguments for target and
1618 # build configuration in Makefile.
1619 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
1620 build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
1622 # Determine whether gdb needs tk/tcl or not.
1623 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
1624 # and in that case we want gdb to be built without tk. Ugh!
1625 # In fact I believe gdb is the *only* package directly dependent on tk,
1626 # so we should be able to put the 'maybe's in unconditionally and
1627 # leave out the maybe dependencies when enable_gdbtk is false. I'm not
1628 # 100% sure that that's safe though.
1630 gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-tix maybe-all-libgui"
1631 case "$enable_gdbtk" in
1635 GDB_TK="${gdb_tk}" ;;
1637 # Only add the dependency on gdbtk when GDBtk is part of the gdb
1638 # distro. Eventually someone will fix this and move Insight, nee
1639 # gdbtk to a separate directory.
1640 if test -d ${srcdir}/gdb/gdbtk ; then
1648 # Strip out unwanted targets.
1650 # While at that, we remove Makefiles if we were started for recursive
1651 # configuration, so that the top-level Makefile reconfigures them,
1652 # like we used to do when configure itself was recursive.
1654 # Loop over modules. $extrasub must be used with care, limiting as
1655 # much as possible the usage of range addresses. That's because autoconf
1656 # splits the sed script to overcome limits in the number of commands,
1657 # and relying on carefully-timed sed passes may turn out to be very hard
1658 # to maintain later. In this particular case, you just have to be careful
1659 # not to nest @if/@endif pairs, because configure will not warn you at all.
1661 AC_ARG_ENABLE([bootstrap],
1662 [ --enable-bootstrap Enable bootstrapping [no]],,
1663 enable_bootstrap=no)
1664 if test -d ${srcdir}/gcc; then
1665 case "$host:$target:$enable_bootstrap" in
1666 $build:$build:yes | *:no) ;;
1667 *:yes) AC_MSG_ERROR([cannot bootstrap a cross-compiler]) ;;
1668 *) AC_MSG_ERROR([invalid option for --enable-bootstrap]) ;;
1671 if test $enable_bootstrap = yes; then
1672 AC_MSG_ERROR([cannot bootstrap without a compiler])
1676 case "$enable_bootstrap" in
1678 default_target=bootstrap
1679 bootstrap_suffix=bootstrap ;;
1682 bootstrap_suffix=no-bootstrap ;;
1684 AC_SUBST(default_target)
1686 for module in ${build_configdirs} ; do
1687 if test -z "${no_recursion}" \
1688 && test -f ${build_subdir}/${module}/Makefile; then
1689 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
1690 rm -f ${build_subdir}/${module}/Makefile
1693 /^@if build-$module\$/d
1694 /^@endif build-$module\$/d
1695 /^@if build-$module-$bootstrap_suffix\$/d
1696 /^@endif build-$module-$bootstrap_suffix\$/d"
1698 for module in ${configdirs} ; do
1699 if test -z "${no_recursion}" \
1700 && test -f ${module}/Makefile; then
1701 echo 1>&2 "*** removing ${module}/Makefile to force reconfigure"
1702 rm -f ${module}/Makefile
1706 /^@endif $module\$/d
1707 /^@if $module-$bootstrap_suffix\$/d
1708 /^@endif $module-$bootstrap_suffix\$/d"
1710 for module in ${target_configdirs} ; do
1711 if test -z "${no_recursion}" \
1712 && test -f ${target_subdir}/${module}/Makefile; then
1713 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
1714 rm -f ${target_subdir}/${module}/Makefile
1717 /^@if target-$module\$/d
1718 /^@endif target-$module\$/d
1719 /^@if target-$module-$bootstrap_suffix\$/d
1720 /^@endif target-$module-$bootstrap_suffix\$/d"
1724 /^@if /,/^@endif /d"
1726 # Create the serialization dependencies. This uses a temporary file.
1728 AC_ARG_ENABLE([serial-configure],
1729 [ --enable-serial-[{host,target,build}-]configure
1730 Force sequential configuration of
1731 sub-packages for the host, target or build
1732 machine, or all sub-packages])
1734 case ${enable_serial_configure} in
1736 enable_serial_build_configure=yes
1737 enable_serial_host_configure=yes
1738 enable_serial_target_configure=yes
1742 # These force 'configure's to be done one at a time, to avoid problems
1743 # with contention over a shared config.cache.
1745 echo '# serdep.tmp' > serdep.tmp
1747 test "x${enable_serial_build_configure}" = xyes &&
1748 for item in ${build_configdirs} ; do
1751 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
1756 test "x${enable_serial_host_configure}" = xyes &&
1757 for item in ${configdirs} ; do
1760 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
1765 test "x${enable_serial_target_configure}" = xyes &&
1766 for item in ${target_configdirs} ; do
1769 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
1773 serialization_dependencies=serdep.tmp
1774 AC_SUBST_FILE(serialization_dependencies)
1776 # Base args. Strip norecursion, cache-file, srcdir, host, build,
1777 # target and nonopt. These are the ones we might not want to pass
1778 # down to subconfigures. Also strip program-prefix, program-suffix,
1779 # and program-transform-name, so that we can pass down a consistent
1780 # program-transform-name. If autoconf has put single quotes around
1781 # any of these arguments (because they contain shell metacharacters)
1782 # then this will fail; in practice this only happens for
1783 # --program-transform-name, so be sure to override --program-transform-name
1784 # at the end of the argument list.
1785 # These will be expanded by make, so quote '$'.
1786 cat <<\EOF_SED > conftestsed
1788 s/ --c[[a-z-]]*[[= ]][[^ ]]*//g
1789 s/ --sr[[a-z-]]*[[= ]][[^ ]]*//g
1790 s/ --ho[[a-z-]]*[[= ]][[^ ]]*//g
1791 s/ --bu[[a-z-]]*[[= ]][[^ ]]*//g
1792 s/ --t[[a-z-]]*[[= ]][[^ ]]*//g
1793 s/ --program-[[pst]][[a-z-]]*[[= ]][[^ ]]*//g
1794 s/ -cache-file[[= ]][[^ ]]*//g
1795 s/ -srcdir[[= ]][[^ ]]*//g
1796 s/ -host[[= ]][[^ ]]*//g
1797 s/ -build[[= ]][[^ ]]*//g
1798 s/ -target[[= ]][[^ ]]*//g
1799 s/ -program-prefix[[= ]][[^ ]]*//g
1800 s/ -program-suffix[[= ]][[^ ]]*//g
1801 s/ -program-transform-name[[= ]][[^ ]]*//g
1802 s/ [[^' -][^ ]*] / /
1806 sed -f conftestsed <<EOF_SED > conftestsed.out
1807 ${ac_configure_args}
1809 baseargs=`cat conftestsed.out`
1810 rm -f conftestsed conftestsed.out
1812 # Add in --program-transform-name, after --program-prefix and
1813 # --program-suffix have been applied to it. Autoconf has already
1814 # doubled dollar signs and backslashes in program_transform_name; we want
1815 # the backslashes un-doubled, and then the entire thing wrapped in single
1816 # quotes, because this will be expanded first by make and then by the shell.
1817 # Also, because we want to override the logic in subdir configure scripts to
1818 # choose program_transform_name, replace any s,x,x, with s,y,y,.
1819 sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
1820 ${program_transform_name}
1822 gcc_transform_name=`cat conftestsed.out`
1823 rm -f conftestsed.out
1824 baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
1826 # For the build-side libraries, we just need to pretend we're native,
1827 # and not use the same cache file. Multilibs are neither needed nor
1829 build_configargs="--cache-file=../config.cache --build=${build_alias} --host=${build_alias} ${baseargs}"
1831 # For host modules, accept cache file option, or specification as blank.
1832 case "${cache_file}" in
1834 cache_file_option="" ;;
1835 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
1836 cache_file_option="--cache-file=${cache_file}" ;;
1838 cache_file_option="--cache-file=../${cache_file}" ;;
1841 # Host dirs don't like to share a cache file either, horribly enough.
1842 # This seems to be due to autoconf 2.5x stupidity.
1843 host_configargs="--cache-file=./config.cache --build=${build_alias} --host=${host_alias} --target=${target_alias} ${extra_host_args} ${baseargs}"
1845 target_configargs=${baseargs}
1847 # Passing a --with-cross-host argument lets the target libraries know
1848 # whether they are being built with a cross-compiler or being built
1849 # native. However, it would be better to use other mechanisms to make the
1850 # sorts of decisions they want to make on this basis. Please consider
1851 # this option to be deprecated. FIXME.
1852 if test x${is_cross_compiler} = xyes ; then
1853 target_configargs="--with-cross-host=${host_alias} ${target_configargs}"
1856 # Default to --enable-multilib.
1857 if test x${enable_multilib} = x ; then
1858 target_configargs="--enable-multilib ${target_configargs}"
1861 # Pass --with-newlib if appropriate. Note that target_configdirs has
1862 # changed from the earlier setting of with_newlib.
1863 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
1864 target_configargs="--with-newlib ${target_configargs}"
1867 # Different target subdirs use different values of certain variables
1868 # (notably CXX). Worse, multilibs use *lots* of different values.
1869 # Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
1870 # it doesn't automatically accept command-line overrides of them.
1871 # This means it's not safe for target subdirs to share a cache file,
1872 # which is disgusting, but there you have it. Hopefully this can be
1873 # fixed in future. It's still worthwhile to use a cache file for each
1874 # directory. I think.
1876 # Pass the appropriate --host, --build, and --cache-file arguments.
1877 target_configargs="--cache-file=./config.cache --host=${target_alias} --build=${build_alias} ${target_configargs}"
1879 # provide a proper gxx_include_dir.
1880 # Note, if you change the default, make sure to fix both here and in
1881 # the gcc and libstdc++-v3 subdirectories.
1882 # Check whether --with-gxx-include-dir or --without-gxx-include-dir was given.
1883 case "${with_gxx_include_dir}" in
1885 AC_MSG_ERROR([--with-gxx-include-dir=[[dir]] requires a directory])
1888 case "${enable_version_specific_runtime_libs}" in
1889 yes) gxx_include_dir='${libsubdir}/include/c++' ;;
1891 . ${srcdir}/config.if
1892 gxx_include_dir='${prefix}/include/'${libstdcxx_incdir} ;;
1894 *) gxx_include_dir=${with_gxx_include_dir} ;;
1898 case " $target_configdirs " in
1900 case " $target_configargs " in
1901 *" --with-newlib "*)
1904 FLAGS_FOR_TARGET=$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' ;;
1907 # If we're not building GCC, don't discard standard headers.
1908 if test -d ${srcdir}/gcc; then
1909 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
1911 if test "${build}" != "${host}"; then
1912 # On Canadian crosses, CC_FOR_TARGET will have already been set
1913 # by `configure', so we won't have an opportunity to add -Bgcc/
1914 # to it. This is right: we don't want to search that directory
1915 # for binaries, but we want the header files in there, so add
1917 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/gcc/include'
1919 # Someone might think of using the pre-installed headers on
1920 # Canadian crosses, in case the installed compiler is not fully
1921 # compatible with the compiler being built. In this case, it
1922 # would be better to flag an error than risking having
1923 # incompatible object files being constructed. We can't
1924 # guarantee that an error will be flagged, but let's hope the
1925 # compiler will do it, when presented with incompatible header
1930 case "${target}-${is_cross_compiler}" in
1931 i[[3456789]]86-*-linux*-no)
1932 # Here host == target, so we don't need to build gcc,
1933 # so we don't want to discard standard headers.
1934 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
1937 # If we're building newlib, use its generic headers last, but search
1938 # for any libc-related directories first (so make it the last -B
1940 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
1948 # Allow the user to override the flags for
1949 # our build compiler if desired.
1950 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
1952 # On Canadian crosses, we'll be searching the right directories for
1953 # the previously-installed cross compiler, so don't bother to add
1954 # flags for directories within the install tree of the compiler
1955 # being built; programs in there won't even run.
1956 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
1957 # Search for pre-installed headers if nothing else fits.
1958 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
1961 if test "x${use_gnu_ld}" = x &&
1962 echo " ${configdirs} " | grep " ld " > /dev/null ; then
1963 # Arrange for us to find uninstalled linker scripts.
1964 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/ld'
1967 if test "x${CC_FOR_TARGET+set}" = xset; then
1969 elif test -d ${srcdir}/gcc; then
1970 CC_FOR_TARGET='$$r/gcc/xgcc -B$$r/gcc/'
1971 elif test "$host" = "$target"; then
1972 CC_FOR_TARGET='$(CC)'
1974 CC_FOR_TARGET=`echo gcc | sed "${program_transform_name}"`
1976 CC_FOR_TARGET=$CC_FOR_TARGET' $(FLAGS_FOR_TARGET)'
1978 if test "x${GCJ_FOR_TARGET+set}" = xset; then
1980 elif test -d ${srcdir}/gcc; then
1981 GCJ_FOR_TARGET='$$r/gcc/gcj -B$$r/gcc/'
1982 elif test "$host" = "$target"; then
1983 GCJ_FOR_TARGET='gcj'
1985 GCJ_FOR_TARGET=`echo gcj | sed "${program_transform_name}"`
1987 GCJ_FOR_TARGET=$GCJ_FOR_TARGET' $(FLAGS_FOR_TARGET)'
1989 if test "x${GFORTRAN_FOR_TARGET+set}" = xset; then
1991 elif test -d ${srcdir}/gcc; then
1992 GFORTRAN_FOR_TARGET='$$r/gcc/gfortran -B$$r/gcc/'
1993 elif test "$host" = "$target"; then
1994 GFORTRAN_FOR_TARGET='gfortran'
1996 GFORTRAN_FOR_TARGET=`echo gfortran | sed "${program_transform_name}"`
1998 case $GFORTRAN_FOR_TARGET in
1999 *' $(FLAGS_FOR_TARGET)') ;;
2000 *) GFORTRAN_FOR_TARGET=$GFORTRAN_FOR_TARGET' $(FLAGS_FOR_TARGET)' ;;
2003 # Don't use libstdc++-v3's flags to configure/build itself.
2004 libstdcxx_flags='`test ! -f $$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$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs'
2005 raw_libstdcxx_flags='-L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs'
2007 if test "x${CXX_FOR_TARGET+set}" = xset; then
2008 if test "x${RAW_CXX_FOR_TARGET+set}" != xset; then
2009 RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
2011 elif test -d ${srcdir}/gcc; then
2012 # We add -shared-libgcc to CXX_FOR_TARGET whenever we use xgcc instead
2013 # of g++ for linking C++ or Java, because g++ has -shared-libgcc by
2014 # default whereas gcc does not.
2015 # RAW_CXX_FOR_TARGET is for linking C++ or java; CXX_FOR_TARGET is for
2017 CXX_FOR_TARGET='$$r/gcc/g++ -B$$r/gcc/ -nostdinc++ '$libstdcxx_flags
2018 RAW_CXX_FOR_TARGET='$$r/gcc/xgcc -shared-libgcc -B$$r/gcc/ -nostdinc++ '$raw_libstdcxx_flags
2019 elif test "$host" = "$target"; then
2020 CXX_FOR_TARGET='$(CXX)'
2021 RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
2023 CXX_FOR_TARGET=`echo c++ | sed "${program_transform_name}"`
2024 RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
2026 CXX_FOR_TARGET=$CXX_FOR_TARGET' $(FLAGS_FOR_TARGET)'
2027 RAW_CXX_FOR_TARGET=$RAW_CXX_FOR_TARGET' $(FLAGS_FOR_TARGET)'
2029 qCXX_FOR_TARGET=`echo "$CXX_FOR_TARGET" | sed 's,[[&%]],\\\&,g'`
2030 qRAW_CXX_FOR_TARGET=`echo "$RAW_CXX_FOR_TARGET" | sed 's,[[&%]],\\\&,g'`
2032 # We want to defer the evaluation of `cmd`s and shell variables in
2033 # CXX_FOR_TARGET when recursing in the top-level Makefile, such as for
2034 # bootstrap. We'll enclose CXX_FOR_TARGET_FOR_RECURSIVE_MAKE in single
2035 # quotes, but we still have to duplicate `$'s so that shell variables
2036 # can be expanded by the nested make as shell variables, not as make
2038 qqCXX_FOR_TARGET=`echo "$qCXX_FOR_TARGET" | sed -e 's,[[$]][[$]],$$$$,g'`
2039 qqRAW_CXX_FOR_TARGET=`echo "$qRAW_CXX_FOR_TARGET" | sed -e 's,[[$]][[$]],$$$$,g'`
2041 # Wrap CC_FOR_TARGET and friends, for certain types of builds.
2042 CC_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${CC_FOR_TARGET}"
2043 GCJ_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${GCJ_FOR_TARGET}"
2044 GFORTRAN_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${GFORTRAN_FOR_TARGET}"
2045 CXX_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${qCXX_FOR_TARGET}"
2046 RAW_CXX_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${qRAW_CXX_FOR_TARGET}"
2047 CXX_FOR_TARGET_FOR_RECURSIVE_MAKE="\$(STAGE_CC_WRAPPER) ${qqCXX_FOR_TARGET}"
2048 RAW_CXX_FOR_TARGET_FOR_RECURSIVE_MAKE="\$(STAGE_CC_WRAPPER) ${qqRAW_CXX_FOR_TARGET}"
2050 # Makefile fragments.
2051 for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
2053 eval fragval=\$$frag
2054 if test $fragval != /dev/null; then
2055 eval $frag=${srcdir}/$fragval
2058 AC_SUBST_FILE(host_makefile_frag)
2059 AC_SUBST_FILE(target_makefile_frag)
2060 AC_SUBST_FILE(alphaieee_frag)
2061 AC_SUBST_FILE(ospace_frag)
2063 # Miscellanea: directories, flags, etc.
2064 AC_SUBST(SET_LIB_PATH)
2065 AC_SUBST(RPATH_ENVVAR)
2066 AC_SUBST(BUILD_DIR_PREFIX)
2067 AC_SUBST(BUILD_PREFIX)
2068 AC_SUBST(BUILD_PREFIX_1)
2069 AC_SUBST(gcc_version_trigger)
2070 AC_SUBST(gcc_version)
2072 AC_SUBST(build_tooldir)
2074 AC_SUBST(gxx_include_dir)
2075 AC_SUBST(libstdcxx_incdir)
2077 # Build module lists & subconfigure args.
2078 AC_SUBST(build_configargs)
2079 AC_SUBST(build_configdirs)
2081 # Host module lists & subconfigure args.
2082 AC_SUBST(host_configargs)
2083 AC_SUBST(configdirs)
2085 # Target module lists & subconfigure args.
2086 AC_SUBST(target_configargs)
2087 AC_SUBST(target_configdirs)
2090 AC_SUBST(CC_FOR_BUILD)
2091 AC_SUBST(config_shell)
2094 NCN_STRICT_CHECK_TOOL(AR, ar)
2095 NCN_STRICT_CHECK_TOOL(AS, as)
2096 NCN_STRICT_CHECK_TOOL(DLLTOOL, dlltool)
2097 NCN_STRICT_CHECK_TOOL(LD, ld)
2098 NCN_STRICT_CHECK_TOOL(NM, nm)
2099 NCN_STRICT_CHECK_TOOL(RANLIB, ranlib, :)
2100 NCN_STRICT_CHECK_TOOL(WINDRES, windres)
2101 NCN_STRICT_CHECK_TOOL(OBJCOPY, objcopy)
2102 NCN_STRICT_CHECK_TOOL(OBJDUMP, objdump)
2106 AC_SUBST(CFLAGS_FOR_BUILD)
2110 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_AR_FOR_TARGET, ar)
2111 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_AS_FOR_TARGET, as)
2112 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_DLLTOOL_FOR_TARGET, dlltool)
2113 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_LD_FOR_TARGET, ld)
2114 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_NM_FOR_TARGET, nm)
2115 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_RANLIB_FOR_TARGET, ranlib, :)
2116 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_WINDRES_FOR_TARGET, windres)
2118 AC_SUBST(GCC_FOR_TARGET)
2119 AC_SUBST(FLAGS_FOR_TARGET)
2120 AC_SUBST(CC_FOR_TARGET)
2121 AC_SUBST(GCJ_FOR_TARGET)
2122 AC_SUBST(GFORTRAN_FOR_TARGET)
2123 AC_SUBST(CXX_FOR_TARGET)
2124 AC_SUBST(RAW_CXX_FOR_TARGET)
2125 AC_SUBST(CXX_FOR_TARGET_FOR_RECURSIVE_MAKE)
2126 AC_SUBST(RAW_CXX_FOR_TARGET_FOR_RECURSIVE_MAKE)
2128 # Fix up target tools.
2129 if test "x${build}" = "x${host}" ; then
2130 # In this case, the newly built tools can and should be used,
2131 # so we override the results of the autoconf tests.
2132 # This should really only happen when the tools are actually being built,
2133 # but that's a further refinement. The new build scheme, where
2134 # tools are built into a structure paralleling where they're installed,
2135 # should also eliminate all of this cleanly.
2136 AR_FOR_TARGET="\$(USUAL_AR_FOR_TARGET)"
2137 AS_FOR_TARGET="\$(USUAL_AS_FOR_TARGET)"
2138 DLLTOOL_FOR_TARGET="\$(USUAL_DLLTOOL_FOR_TARGET)"
2139 LD_FOR_TARGET="\$(USUAL_LD_FOR_TARGET)"
2140 NM_FOR_TARGET="\$(USUAL_NM_FOR_TARGET)"
2141 RANLIB_FOR_TARGET="\$(USUAL_RANLIB_FOR_TARGET)"
2142 WINDRES_FOR_TARGET="\$(USUAL_WINDRES_FOR_TARGET)"
2144 # Just use the ones we found.
2145 AR_FOR_TARGET="\$(CONFIGURED_AR_FOR_TARGET)"
2146 AS_FOR_TARGET="\$(CONFIGURED_AS_FOR_TARGET)"
2147 DLLTOOL_FOR_TARGET="\$(CONFIGURED_DLLTOOL_FOR_TARGET)"
2148 LD_FOR_TARGET="\$(CONFIGURED_LD_FOR_TARGET)"
2149 NM_FOR_TARGET="\$(CONFIGURED_NM_FOR_TARGET)"
2150 RANLIB_FOR_TARGET="\$(CONFIGURED_RANLIB_FOR_TARGET)"
2151 WINDRES_FOR_TARGET="\$(CONFIGURED_WINDRES_FOR_TARGET)"
2153 AC_SUBST(AR_FOR_TARGET)
2154 AC_SUBST(AS_FOR_TARGET)
2155 AC_SUBST(DLLTOOL_FOR_TARGET)
2156 AC_SUBST(LD_FOR_TARGET)
2157 AC_SUBST(NM_FOR_TARGET)
2158 AC_SUBST(RANLIB_FOR_TARGET)
2159 AC_SUBST(WINDRES_FOR_TARGET)
2161 # Certain tools may need extra flags.
2162 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
2163 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
2164 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
2166 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
2167 AC_ARG_ENABLE(maintainer-mode,
2168 [ --enable-maintainer-mode enable make rules and dependencies not useful
2169 (and sometimes confusing) to the casual installer],
2170 USE_MAINTAINER_MODE=$enableval,
2171 USE_MAINTAINER_MODE=no)
2172 AC_MSG_RESULT($USE_MAINTAINER_MODE)
2173 AC_SUBST(MAINTAINER_MODE_TRUE)
2174 AC_SUBST(MAINTAINER_MODE_FALSE)
2175 if test "$USE_MAINTAINER_MODE" = yes; then
2176 MAINTAINER_MODE_TRUE=
2177 MAINTAINER_MODE_FALSE='#'
2179 MAINTAINER_MODE_TRUE='#'
2180 MAINTAINER_MODE_FALSE=
2182 MAINT=$MAINTAINER_MODE_TRUE
2185 # ---------------------
2186 # GCC bootstrap support
2187 # ---------------------
2189 # Stage specific cflags for build.
2194 yes) stage1_cflags="-g -Wa,-J" ;;
2195 *) stage1_cflags="-g -J" ;;
2198 # The spiffy cpp-precomp chokes on some legitimate constructs in GCC
2199 # sources; use -no-cpp-precomp to get to GNU cpp.
2200 # Apple's GCC has bugs in designated initializer handling, so disable
2202 stage1_cflags="-g -no-cpp-precomp -DHAVE_DESIGNATED_INITIALIZERS=0"
2205 AC_SUBST(stage1_cflags)
2207 # It makes debugging easier if we create as symlinks the stage directories
2208 # gcc for stageN-gcc and stage-prev for stage(N-1). In case this is not
2209 # possible, however, we can resort to mv.
2210 AC_CACHE_CHECK([if symbolic links between directories work],
2211 [gcc_cv_prog_ln_s_dir],
2212 [if test "${LN_S}" = "ln -s" \
2213 && mkdir confdir.s1 \
2214 && ln -s confdir.s1 confdir.s2 \
2215 && echo timestamp1 > confdir.s1/conftest.1 \
2216 && cmp confdir.s1/conftest.1 confdir.s2/conftest.1 \
2217 && echo timestamp2 > confdir.s2/conftest.2 \
2218 && cmp confdir.s1/conftest.2 confdir.s1/conftest.2 \
2219 && rm -f confdir.s2; then
2220 gcc_cv_prog_ln_s_dir=yes
2222 gcc_cv_prog_ln_s_dir=yes
2224 rm -rf confdir.s1 confdir.s2])
2226 case ${gcc_cv_prog_ln_s_dir} in
2228 CREATE_LINK_TO_DIR='ln -s $$1 $$2'
2229 UNDO_LINK_TO_DIR='rm -f $$1' ;;
2231 CREATE_LINK_TO_DIR='mv $$1 $$2'
2232 UNDO_LINK_TO_DIR='mv $$1 $$2' ;;
2234 AC_SUBST(CREATE_LINK_TO_DIR)
2235 AC_SUBST(UNDO_LINK_TO_DIR)
2237 # Enable -Werror in bootstrap stage2 and later.
2238 # Change the default to "no" on release branches.
2239 AC_ARG_ENABLE(werror,
2240 [ --enable-werror enable -Werror in bootstrap stage2 and later], [],
2241 [enable_werror=yes])
2242 case ${enable_werror} in
2243 yes) stage2_werror_flag="--enable-werror-always" ;;
2244 *) stage2_werror_flag="" ;;
2246 AC_SUBST(stage2_werror_flag)