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 build-fixincludes"
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 libgui zlib 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}`
186 build_configdirs=`echo ${build_libs} ${build_tools}`
188 ################################################################################
190 srcname="gnu development package"
192 # This gets set non-empty for some net releases of packages.
195 # Define is_cross_compiler to save on calls to 'test'.
197 if test x"${host}" = x"${target}" ; then
200 is_cross_compiler=yes
203 # Find the build and target subdir names.
206 # Skipdirs are removed silently.
208 # Noconfigdirs are removed loudly.
212 # Make sure we don't let GNU ld be added if we didn't want it.
213 if test x$with_gnu_ld = xno ; then
215 noconfigdirs="$noconfigdirs ld"
219 # Make sure we don't let GNU as be added if we didn't want it.
220 if test x$with_gnu_as = xno ; then
222 noconfigdirs="$noconfigdirs gas"
225 # some tools are so dependent upon X11 that if we're not building with X,
226 # it's not even worth trying to configure, much less build, that tool.
229 yes | "") ;; # the default value for this tree is that X11 is available
231 skipdirs="${skipdirs} tk itcl libgui"
232 # We won't be able to build gdbtk without X.
235 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
238 # Some tools are only suitable for building in a "native" situation.
239 # Remove these if host!=target.
240 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"
242 # Similarly, some are only suitable for cross toolchains.
243 # Remove these if host=target.
244 cross_only="target-libgloss target-newlib target-opcodes"
246 case $is_cross_compiler in
247 no) skipdirs="${skipdirs} ${cross_only}" ;;
248 yes) skipdirs="${skipdirs} ${native_only}" ;;
251 # If both --with-headers and --with-libs are specified, default to
253 if test x"${with_headers}" != x && test x"${with_headers} != xno \
254 && test x"${with_libs}" != x && test x"${with_libs} != xno ; then
255 if test x"${with_newlib}" = x ; then
260 # Recognize --with-newlib/--without-newlib.
261 case ${with_newlib} in
262 no) skipdirs="${skipdirs} target-newlib" ;;
263 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
266 # Configure extra directories which are host specific
270 configdirs="$configdirs libtermcap" ;;
273 # Remove more programs from consideration, based on the host or
274 # target this usually means that a port of the program doesn't
279 noconfigdirs="$noconfigdirs byacc"
281 i[[3456789]]86-*-vsta)
282 noconfigdirs="$noconfigdirs tcl expect dejagnu make texinfo bison patch flex byacc send-pr gprof uudecode dejagnu diff guile perl itcl gnuserv gettext"
284 i[[3456789]]86-*-go32* | i[[3456789]]86-*-msdosdjgpp*)
285 noconfigdirs="$noconfigdirs tcl tk expect dejagnu send-pr uudecode guile itcl gnuserv libffi"
287 i[[3456789]]86-*-mingw32*)
288 # noconfigdirs="tcl tk expect dejagnu make texinfo bison patch flex byacc send-pr uudecode dejagnu diff guile perl itcl gnuserv"
289 noconfigdirs="$noconfigdirs expect dejagnu autoconf automake send-pr rcs guile perl texinfo libtool"
291 i[[3456789]]86-*-beos*)
292 noconfigdirs="$noconfigdirs tk itcl libgui gdb"
295 noconfigdirs="$noconfigdirs autoconf automake send-pr rcs guile perl"
298 noconfigdirs="$noconfigdirs rcs"
301 noconfigdirs="$noconfigdirs patch diff make tk tcl expect dejagnu autoconf automake texinfo bison send-pr gprof rcs guile perl itcl gnuserv"
304 noconfigdirs="$noconfigdirs tk itcl libgui gdb dejagnu readline"
307 noconfigdirs="$noconfigdirs tk itcl libgui"
312 AC_ARG_ENABLE(libada,
313 [ --enable-libada Builds libada directory],
314 ENABLE_LIBADA=$enableval,
316 if test "${ENABLE_LIBADA}" != "yes" ; then
317 noconfigdirs="$noconfigdirs target-libada"
320 # Save it here so that, even in case of --enable-libgcj, if the Java
321 # front-end isn't enabled, we still get libgcj disabled.
323 case $enable_libgcj in
325 # If we reset it here, it won't get added to noconfigdirs in the
326 # target-specific build rules, so it will be forcibly enabled
327 # (unless the Java language itself isn't enabled).
331 # Make sure we get it printed in the list of not supported target libs.
332 noconfigdirs="$noconfigdirs ${libgcj}"
337 # Allow --disable-libmudflap to exclude target-libmudflap
338 case $enable_libmudflap in
342 noconfigdirs="$noconfigdirs target-libmudflap"
346 *-*-linux*-gnu | *-*-gnu* | *-*-k*bsd*-gnu)
347 # Enable libmudflap by default in GNU and friends.
350 # Enable libmudflap by default in FreeBSD.
353 # Disable it by default everywhere else.
354 noconfigdirs="$noconfigdirs target-libmudflap"
362 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
365 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes gdb gprof"
368 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes gdb gprof"
369 noconfigdirs="$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 ${libgcj}"
417 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-rda ${libgcj}"
420 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libiberty ${libgcj}"
423 # ld works, but does not support shared libraries.
424 # newlib is not 64 bit ready. I'm not sure about fileutils.
425 # gas doesn't generate exception information.
426 noconfigdirs="$noconfigdirs gas ld fileutils target-newlib target-libgloss"
429 noconfigdirs="$noconfigdirs gdb ld target-newlib target-libgloss ${libgcj}"
432 # newlib is not 64 bit ready
433 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
436 # newlib is not 64 bit ready
437 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
440 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
443 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
445 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
446 noconfigdirs="$noconfigdirs ${libgcj}"
447 noconfigdirs="$noconfigdirs target-examples"
448 noconfigdirs="$noconfigdirs target-libiberty texinfo send-pr"
449 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
450 noconfigdirs="$noconfigdirs expect dejagnu"
451 # the C++ libraries don't build on top of CE's C libraries
452 noconfigdirs="$noconfigdirs target-libstdc++-v3"
453 noconfigdirs="$noconfigdirs target-newlib"
455 *-*-cygwin*) ;; # keep gdb and readline
456 *) noconfigdirs="$noconfigdirs gdb readline"
461 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
463 arm-*-coff | strongarm-*-coff | xscale-*-coff)
464 noconfigdirs="$noconfigdirs ${libgcj}"
466 arm-*-elf* | strongarm-*-elf* | xscale-*-elf* | arm*-*-eabi* )
467 noconfigdirs="$noconfigdirs target-libffi target-qthreads"
470 noconfigdirs="$noconfigdirs ${libgcj} target-libiberty"
473 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
476 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
479 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
482 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
485 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
488 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
491 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
494 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
497 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
499 c54x*-*-* | tic54x-*-*)
500 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj} gcc gdb newlib"
503 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
506 noconfigdirs="$noconfigdirs target-libgloss target-libstdc++-v3 target-mudflap ${libgcj}"
509 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
512 noconfigdirs="$noconfigdirs ${libgcj} gdb"
515 noconfigdirs="$noconfigdirs ${libgcj} gdb"
518 noconfigdirs="$noconfigdirs ${libgcj}"
521 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
524 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
526 hppa*64*-*-linux* | parisc*64*-*-linux*)
527 # In this case, it's because the hppa64-linux target is for
528 # the kernel only at this point and has no libc, and thus no
529 # headers, crt*.o, etc., all of which are needed by these.
530 noconfigdirs="$noconfigdirs target-zlib"
533 parisc*-*-linux* | hppa*-*-linux* | \
537 noconfigdirs="$noconfigdirs ${libgcj}"
538 # Do configure ld/binutils/gas for this case.
541 # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
542 # build on HP-UX 10.20.
543 noconfigdirs="$noconfigdirs ld shellutils ${libgcj}"
546 noconfigdirs="$noconfigdirs ${libgcj} gdb"
549 # No gdb support yet.
550 noconfigdirs="$noconfigdirs readline mmalloc libgui itcl gdb"
553 # No gdb or ld support yet.
554 noconfigdirs="$noconfigdirs ${libgcj} readline mmalloc libgui itcl gdb ld"
556 i[[3456789]]86-*-coff | i[[3456789]]86-*-elf)
557 noconfigdirs="$noconfigdirs ${libgcj}"
559 i[[3456789]]86-*-linux*)
560 # The GCC port for glibc1 has no MD_FALLBACK_FRAME_STATE_FOR, so let's
561 # not build java stuff by default.
564 noconfigdirs="$noconfigdirs ${libgcj}";;
567 # This section makes it possible to build newlib natively on linux.
568 # If we are using a cross compiler then don't configure newlib.
569 if test x${is_cross_compiler} != xno ; then
570 noconfigdirs="$noconfigdirs target-newlib"
572 noconfigdirs="$noconfigdirs target-libgloss"
573 # If we are not using a cross compiler, do configure newlib.
574 # Note however, that newlib will only be configured in this situation
575 # if the --with-newlib option has been given, because otherwise
576 # 'target-newlib' will appear in skipdirs.
578 i[[3456789]]86-*-mingw32*)
579 target_configdirs="$target_configdirs target-mingw"
580 noconfigdirs="$noconfigdirs expect target-libgloss ${libgcj}"
582 # Can't build gdb for mingw32 if not native.
584 i[[3456789]]86-*-mingw32) ;; # keep gdb tcl tk expect etc.
585 *) noconfigdirs="$noconfigdirs gdb tcl tk expect itcl gnuserv"
590 target_configdirs="$target_configdirs target-libtermcap target-winsup"
591 noconfigdirs="$noconfigdirs target-gperf target-libgloss ${libgcj}"
592 # always build newlib if winsup directory is present.
593 if test -d "$srcdir/winsup"
595 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
597 echo "Warning: winsup is missing so newlib can't be built."
600 # Can't build gdb for Cygwin if not native.
602 *-*-cygwin*) ;; # keep gdb tcl tk expect etc.
603 *) noconfigdirs="$noconfigdirs gdb tcl tk expect itcl libgui gnuserv"
608 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
610 i[[3456789]]86-*-sco3.2v5*)
611 # The linker does not yet know about weak symbols in COFF,
612 # and is not configured to handle mixed ELF and COFF.
613 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
615 i[[3456789]]86-*-sco*)
616 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
618 i[[3456789]]86-*-solaris2*)
619 noconfigdirs="$noconfigdirs target-libgloss"
621 i[[3456789]]86-*-sysv4*)
622 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
624 i[[3456789]]86-*-beos*)
625 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
628 noconfigdirs="$noconfigdirs ${libgcj}"
630 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
631 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
634 noconfigdirs="$noconfigdirs ${libgcj}"
637 noconfigdirs="$noconfigdirs ${libgcj}"
640 # The EPOC C++ environment does not support exceptions or rtti,
641 # and so building libstdc++-v3 tends not to always work.
642 noconfigdirs="$noconfigdirs target-libstdc++-v3"
645 noconfigdirs="$noconfigdirs ${libgcj} gdb libgloss"
648 noconfigdirs="$noconfigdirs ${libgcj}"
651 noconfigdirs="$noconfigdirs ${libgcj}"
654 # copied from rs6000-*-* entry
655 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
657 powerpc*-*-winnt* | powerpc*-*-pe* | ppc*-*-pe)
658 target_configdirs="$target_configdirs target-winsup"
659 noconfigdirs="$noconfigdirs gdb tcl tk make expect target-libgloss itcl gnuserv ${libgcj}"
660 # always build newlib.
661 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
663 # This is temporary until we can link against shared libraries
664 powerpcle-*-solaris*)
665 noconfigdirs="$noconfigdirs gdb sim make tcl tk expect itcl gnuserv ${libgcj}"
668 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
671 noconfigdirs="$noconfigdirs ${libgcj}"
674 noconfigdirs="$noconfigdirs target-newlib gprof ${libgcj}"
677 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
680 noconfigdirs="$noconfigdirs gprof ${libgcj}"
683 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss ${libgcj}"
686 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
689 # Linking libjava exceeds command-line length limits on at least
690 # IRIX 6.2, but not on IRIX 6.5.
691 # Also, boehm-gc won't build on IRIX 6.5, according to Jeffrey Oldham
692 # <oldham@codesourcery.com>
693 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
696 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
699 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
702 noconfigdirs="$noconfigdirs gprof ${libgcj}" # same as generic mips
705 noconfigdirs="$noconfigdirs target-newlib ${libgcj}"
708 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
711 noconfigdirs="$noconfigdirs gprof ${libgcj}"
714 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes target-libgloss ${libgcj}"
718 i[[3456789]]86-*-vsta) ;; # don't add gprof back in
719 i[[3456789]]86-*-go32*) ;; # don't add gprof back in
720 i[[3456789]]86-*-msdosdjgpp*) ;; # don't add gprof back in
721 *) skipdirs=`echo " ${skipdirs} " | sed -e 's/ gprof / /'` ;;
723 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
726 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
729 noconfigdirs="$noconfigdirs ${libgcj}"
732 noconfigdirs="$noconfigdirs ${libgcj}"
735 noconfigdirs="$noconfigdirs ${libgcj}"
738 noconfigdirs="$noconfigdirs ${libgcj}"
739 if test x${is_cross_compiler} != xno ; then
740 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
745 sparc-*-solaris* | sparc64-*-solaris* | sparcv9-*-solaris*)
748 noconfigdirs="$noconfigdirs bfd binutils gas gcc gdb ld target-libstdc++-v3 opcodes target-libgloss ${libgcj}"
751 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
754 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
757 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
760 noconfigdirs="$noconfigdirs bfd binutils gdb ld target-newlib opcodes target-libgloss ${libgcj}"
763 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
766 noconfigdirs="$noconfigdirs ${libgcj}"
769 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
771 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu)
772 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
775 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
778 noconfigdirs="$noconfigdirs ${libgcj}"
782 # If we aren't building newlib, then don't build libgloss, since libgloss
783 # depends upon some newlib header files.
784 case "${noconfigdirs}" in
785 *target-libgloss*) ;;
786 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
789 # Work in distributions that contain no compiler tools, like Autoconf.
791 host_makefile_frag=/dev/null
792 if test -d ${srcdir}/config ; then
795 # Avoid "too much defining" errors from HPUX compiler.
796 tentative_cc="cc -Wp,-H256000"
797 # If "ar" in $PATH is GNU ar, the symbol table may need rebuilding.
798 # If it's HP/UX ar, this should be harmless.
802 tentative_cc="cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DUSG"
805 #None of the Apollo compilers can compile gas or binutils. The preprocessor
806 # chokes on bfd, the compiler won't let you assign integers to enums, and
807 # other problems. Defining CC to gcc is a questionable way to say "don't use
808 # the apollo compiler" (the preferred version of GCC could be called cc,
809 # or whatever), but I'm not sure leaving CC as cc is any better...
810 #CC=cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DNO_STDARG
811 # Used to have BISON=yacc.
815 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
818 # Under CX/UX, we want to tell the compiler to use ANSI mode.
819 tentative_cc="cc -Xa"
820 host_makefile_frag="config/mh-cxux"
825 tentative_cc="cc -Wf,-XNg1000"
826 host_makefile_frag="config/mh-decstation"
829 # The C compiler on NEC MIPS SVR4 needs bigger tables.
830 tentative_cc="cc -ZXNd=5000 -ZXNg=1000"
831 host_makefile_frag="config/mh-necv4"
834 # Tell compiler to use K&R C. We can't compile under the SGI Ansi
835 # environment. Also bump switch table size so that cp-parse will
836 # compile. Bump string length limit so linker builds.
837 tentative_cc="cc -cckr -Wf,-XNg1500 -Wf,-XNk1000 -Wf,-XNh2000 -Wf,-XNl8192"
840 host_makefile_frag="config/mh-sysv4"
843 # This is for a MIPS running RISC/os 4.52C.
845 # This is needed for GDB, but needs to be in the top-level make because
846 # if a library is compiled with the bsd headers and gets linked with the
847 # sysv system libraries all hell can break loose (e.g. a jmp_buf might be
849 # ptrace(2) apparently has problems in the BSD environment. No workaround is
850 # known except to select the sysv environment. Could we use /proc instead?
851 # These "sysv environments" and "bsd environments" often end up being a pain.
853 # This is not part of CFLAGS because perhaps not all C compilers have this
855 tentative_cc="cc -systype sysv"
860 i[[3456789]]86-*-sysv5*)
861 host_makefile_frag="config/mh-sysv5"
863 i[[3456789]]86-*-dgux*)
864 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
865 host_makefile_frag="config/mh-dgux386"
867 i[[3456789]]86-ncr-sysv4.3*)
868 # The MetaWare compiler will generate a copyright message unless you
869 # turn it off by adding the -Hnocopyr flag.
870 tentative_cc="cc -Hnocopyr"
872 i[[3456789]]86-ncr-sysv4*)
873 # for an NCR 3000 (i486/SVR4) system.
874 # The NCR 3000 ships with a MetaWare compiler installed as /bin/cc.
875 # This compiler not only emits obnoxious copyright messages every time
876 # you run it, but it chokes and dies on a whole bunch of GNU source
877 # files. Default to using the AT&T compiler installed in /usr/ccs/ATT/cc.
878 tentative_cc="/usr/ccs/ATT/cc"
879 host_makefile_frag="config/mh-ncr3000"
881 i[[3456789]]86-*-sco3.2v5*)
883 i[[3456789]]86-*-sco*)
884 # The native C compiler botches some simple uses of const. Unfortunately,
885 # it doesn't defined anything like "__sco__" for us to test for in ansidecl.h.
886 tentative_cc="cc -Dconst="
887 host_makefile_frag="config/mh-sco"
889 i[[3456789]]86-*-udk*)
890 host_makefile_frag="config/mh-sysv5"
892 i[[3456789]]86-*-solaris2*)
893 host_makefile_frag="config/mh-sysv4"
895 i[[3456789]]86-*-msdosdjgpp*)
896 host_makefile_frag="config/mh-djgpp"
899 host_makefile_frag="config/mh-cygwin"
902 host_makefile_frag="config/mh-mingw32"
905 host_makefile_frag="config/mh-interix"
908 # The old BSD pcc isn't up to compiling parts of gdb so use gcc
912 host_makefile_frag="config/mh-solaris"
915 # Sun's C compiler needs the -J flag to be able to compile cp-parse.c
916 # without overflowing the jump tables (-J says to use a 32 bit table)
920 tentative_cc="cc -Wp,-H256000"
923 tentative_cc="cc -Wp,-H256000"
926 # /bin/cc is less than useful for our purposes. Always use GCC
927 tentative_cc="/usr/cygnus/progressive/bin/gcc"
928 host_makefile_frag="config/mh-lynxrs6k"
931 host_makefile_frag="config/mh-ppc-darwin"
934 # /bin/cc is less than useful for our purposes. Always use GCC
935 tentative_cc="/bin/gcc"
938 host_makefile_frag="config/mh-sysv4"
943 # If we aren't going to be using gcc, see if we can extract a definition
944 # of CC from the fragment.
945 # Actually, use the 'pre-extracted' version above.
946 if test -z "${CC}" && test "${build}" = "${host}" ; then
947 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
950 test -z "$dir" && dir=.
951 if test -f $dir/gcc; then
957 if test -z "${found}" && test -n "${tentative_cc}" ; then
962 if test "${build}" != "${host}" ; then
963 # If we are doing a Canadian Cross, in which the host and build systems
964 # are not the same, we set reasonable default values for the tools.
966 CC=${CC-${host_alias}-gcc}
967 CFLAGS=${CFLAGS-"-g -O2"}
968 CXX=${CXX-${host_alias}-c++}
969 CXXFLAGS=${CXXFLAGS-"-g -O2"}
970 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
971 CC_FOR_TARGET=${CC_FOR_TARGET-${target_alias}-gcc}
972 CXX_FOR_TARGET=${CXX_FOR_TARGET-${target_alias}-c++}
973 GCJ_FOR_TARGET=${GCJ_FOR_TARGET-${target_alias}-gcj}
974 GCC_FOR_TARGET=${GCC_FOR_TARGET-${CC_FOR_TARGET-${target_alias}-gcc}}
975 BUILD_PREFIX=${build_alias}-
976 BUILD_PREFIX_1=${build_alias}-
979 # Set reasonable default values for some tools even if not Canadian.
980 # Of course, these are different reasonable default values, originally
981 # specified directly in the Makefile.
982 # We don't export, so that autoconf can do its job.
983 # Note that all these settings are above the fragment inclusion point
984 # in Makefile.in, so can still be overridden by fragments.
985 # This is all going to change when we autoconfiscate...
987 CC_FOR_BUILD="\$(CC)"
988 GCC_FOR_TARGET="\$(USUAL_GCC_FOR_TARGET)"
990 BUILD_PREFIX_1=loser-
994 # We must set the default linker to the linker used by gcc for the correct
995 # operation of libtool. If LD is not defined and we are using gcc, try to
996 # set the LD default to the ld used by gcc.
997 if test -z "$LD"; then
998 if test "$GCC" = yes; then
1001 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1003 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1005 case $gcc_prog_ld in
1006 # Accept absolute paths.
1007 [[\\/]* | [A-Za-z]:[\\/]*)]
1008 LD="$gcc_prog_ld" ;;
1014 CFLAGS=${CFLAGS-"-g"}
1015 CXXFLAGS=${CXXFLAGS-"-g -O2"}
1019 ACX_PROG_CMP_IGNORE_INITIAL
1021 # Check for GMP and MPFR
1025 # Specify a location for mpfr
1026 # check for this first so it ends up on the link line before gmp.
1027 AC_ARG_WITH(mpfr-dir, [ --with-mpfr-dir=PATH Specify source directory for MPFR library])
1029 if test "x$with_mpfr_dir" != x; then
1030 gmpinc="-I$with_mpfr_dir/mpfr"
1031 gmplibs="$with_mpfr_dir/libmpfr.a"
1036 AC_ARG_WITH(mpfr, [ --with-mpfr=PATH Specify directory for installed MPFR library])
1038 if test "x$with_mpfr" != x; then
1039 gmplibs="-L$with_mpfr/lib $gmplibs"
1040 gmpinc="-I$with_mpfr/include"
1043 # Specify a location for gmp
1044 AC_ARG_WITH(gmp-dir, [ --with-gmp-dir=PATH Specify source directory for GMP library])
1046 if test "x$with_gmp_dir" != x; then
1047 gmpinc="$gmpinc -I$with_gmp_dir"
1048 if test -f "$with_gmp_dir/.libs/libgmp.a"; then
1049 gmplibs="$gmplibs $with_gmp_dir/.libs/libgmp.a"
1050 elif test -f "$with_gmp_dir/_libs/libgmp.a"; then
1051 gmplibs="$gmplibs $with_gmp_dir/_libs/libgmp.a"
1053 # One of the later tests will catch the error if neither library is present.
1055 gmplibs="$gmplibs -lgmp"
1058 AC_ARG_WITH(gmp, [ --with-gmp=PATH Specify directory for installed GMP library])
1060 if test "x$with_gmp" != x; then
1061 gmplibs="-L$with_gmp/lib $gmplibs"
1062 gmpinc="-I$with_gmp/include $gmpinc"
1065 saved_CFLAGS="$CFLAGS"
1066 CFLAGS="$CFLAGS $gmpinc"
1067 # Check GMP actually works
1068 AC_MSG_CHECKING([for correct version of gmp.h])
1069 AC_TRY_COMPILE([#include "gmp.h"],[
1070 #if __GNU_MP_VERSION < 3
1073 ], [AC_MSG_RESULT([yes])],
1074 [AC_MSG_RESULT([no]); have_gmp=no])
1076 if test x"$have_gmp" = xyes; then
1077 AC_MSG_CHECKING([for MPFR])
1080 LIBS="$LIBS $gmplibs"
1081 AC_TRY_LINK([#include <gmp.h>
1082 #include <mpfr.h>], [mpfr_t n; mpfr_init(n);],
1083 [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1085 CFLAGS="$saved_CFLAGS"
1088 # Flags needed for both GMP and/or MPFR
1092 # By default, C is the only stage 1 language.
1094 AC_SUBST(stage1_languages)
1096 # Figure out what language subdirectories are present.
1097 # Look if the user specified --enable-languages="..."; if not, use
1098 # the environment variable $LANGUAGES if defined. $LANGUAGES might
1100 # NB: embedded tabs in this IF block -- do not untabify
1101 if test -d ${srcdir}/gcc; then
1102 if test x"${enable_languages+set}" != xset; then
1103 if test x"${LANGUAGES+set}" = xset; then
1104 enable_languages="${LANGUAGES}"
1105 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1107 enable_languages=all
1110 if test x"${enable_languages}" = x ||
1111 test x"${enable_languages}" = xyes;
1113 echo configure.in: --enable-languages needs at least one language argument 1>&2
1117 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1119 # First scan to see if an enabled language requires some other language.
1120 # We assume that a given config-lang.in will list all the language
1121 # front ends it requires, even if some are required indirectly.
1122 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1123 case ${lang_frag} in
1125 # The odd quoting in the next line works around
1126 # an apparent bug in bash 1.12 on linux.
1127 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1129 # From the config-lang.in, get $language, $lang_requires
1133 for other in ${lang_requires} ; do
1134 case ,${enable_languages}, in
1138 echo " \`$other' language required by \`$language'; enabling" 1>&2
1139 enable_languages="${enable_languages},${other}"
1147 new_enable_languages=c
1148 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
1149 potential_languages=c
1151 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1152 case ${lang_frag} in
1154 # The odd quoting in the next line works around
1155 # an apparent bug in bash 1.12 on linux.
1156 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1158 # From the config-lang.in, get $language, $target_libs,
1159 # $lang_dirs, $boot_language, and $build_by_default
1167 potential_languages="${potential_languages},${language}"
1168 # This is quite sensitive to the ordering of the case statement arms.
1169 case ,${enable_languages},:${language}:${have_gnat}:${build_by_default} in
1171 echo "${lang_frag} doesn't set \$language." 1>&2
1175 # Ada was requested with no preexisting GNAT. Disable unconditionally.
1178 *,${language},*:*:*:*)
1179 # Language was explicitly selected; include it.
1183 # 'all' was selected, but this is not a default language
1184 # so do not include it.
1188 # 'all' was selected and this is a default language; include it.
1196 # Disable languages that need GMP if it isn't available.
1197 case ,${enable_languages},:${have_gmp}:${need_gmp} in
1198 *,${language},*:no:yes)
1199 # Specifically requested language; tell them.
1200 AC_MSG_ERROR([GMP with MPFR support is required to build $language])
1208 case $add_this_lang in
1210 # Remove language-dependent dirs.
1211 eval noconfigdirs='"$noconfigdirs "'\"$target_libs $lang_dirs\"
1214 new_enable_languages="$new_enable_languages,$language"
1215 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
1216 case ${boot_language} in
1218 # Add to (comma-separated) list of stage 1 languages.
1219 stage1_languages="${stage1_languages},${language}"
1228 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
1229 if test "x$missing_languages" != x; then
1231 The following requested languages were not found: ${missing_languages}
1232 The available languages are: ${potential_languages}])
1235 if test "x$new_enable_languages" != "x$enable_languages"; then
1236 echo The following languages will be built: ${new_enable_languages}
1238 enable_languages="$new_enable_languages"
1239 ac_configure_args=`echo " $ac_configure_args" | sed -e 's/ --enable-languages=[[^ ]]*//' -e 's/$/ --enable-languages='"$enable_languages"/ `
1242 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs and
1243 # $target_configdirs.
1244 # If we have the source for $noconfigdirs entries, add them to $notsupp.
1247 for dir in . $skipdirs $noconfigdirs ; do
1248 dirname=`echo $dir | sed -e s/target-//g`
1249 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1250 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
1251 if test -r $srcdir/$dirname/configure ; then
1252 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1255 notsupp="$notsupp $dir"
1259 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1260 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
1261 if test -r $srcdir/$dirname/configure ; then
1262 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1265 notsupp="$notsupp $dir"
1271 # Sometimes the tools are distributed with libiberty but with no other
1272 # libraries. In that case, we don't want to build target-libiberty.
1273 if test -n "${target_configdirs}" ; then
1275 for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do
1276 if test "$i" != "libiberty" ; then
1277 if test -r $srcdir/$i/configure ; then
1283 if test -z "${others}" ; then
1288 # Quietly strip out all directories which aren't configurable in this tree.
1289 # This relies on all configurable subdirectories being autoconfiscated, which
1291 build_configdirs_all="$build_configdirs"
1293 for i in ${build_configdirs_all} ; do
1294 j=`echo $i | sed -e s/build-//g`
1295 if test -f ${srcdir}/$j/configure ; then
1296 build_configdirs="${build_configdirs} $i"
1300 configdirs_all="$configdirs"
1302 for i in ${configdirs_all} ; do
1303 if test -f ${srcdir}/$i/configure ; then
1304 configdirs="${configdirs} $i"
1308 target_configdirs_all="$target_configdirs"
1310 for i in ${target_configdirs_all} ; do
1311 j=`echo $i | sed -e s/target-//g`
1312 if test -f ${srcdir}/$j/configure ; then
1313 target_configdirs="${target_configdirs} $i"
1317 # Produce a warning message for the subdirs we can't configure.
1318 # This isn't especially interesting in the Cygnus tree, but in the individual
1319 # FSF releases, it's important to let people know when their machine isn't
1320 # supported by the one or two programs in a package.
1322 if test -n "${notsupp}" && test -z "${norecursion}" ; then
1323 # If $appdirs is non-empty, at least one of those directories must still
1324 # be configured, or we error out. (E.g., if the gas release supports a
1325 # specified target in some subdirs but not the gas subdir, we shouldn't
1326 # pretend that all is well.)
1327 if test -n "$appdirs" ; then
1328 for dir in $appdirs ; do
1329 if test -r $dir/Makefile.in ; then
1330 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1334 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
1340 if test -n "$appdirs" ; then
1341 echo "*** This configuration is not supported by this package." 1>&2
1345 # Okay, some application will build, or we don't care to check. Still
1346 # notify of subdirs not getting built.
1347 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
1348 echo " ${notsupp}" 1>&2
1349 echo " (Any other directories should still work fine.)" 1>&2
1359 # Handle --with-headers=XXX. If the value is not "yes", the contents of
1360 # the named directory are copied to $(tooldir)/sys-include.
1361 if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
1362 if test x${is_cross_compiler} = xno ; then
1363 echo 1>&2 '***' --with-headers is only supported when cross compiling
1366 if test x"${with_headers}" != xyes ; then
1367 case "${exec_prefixoption}" in
1369 *) x=${exec_prefix} ;;
1371 copy_dirs="${copy_dirs} ${with_headers} $x/${target_alias}/sys-include"
1375 # Handle --with-libs=XXX. If the value is not "yes", the contents of
1376 # the name directories are copied to $(tooldir)/lib. Multiple directories
1378 if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
1379 if test x${is_cross_compiler} = xno ; then
1380 echo 1>&2 '***' --with-libs is only supported when cross compiling
1383 if test x"${with_libs}" != xyes ; then
1384 # Copy the libraries in reverse order, so that files in the first named
1385 # library override files in subsequent libraries.
1386 case "${exec_prefixoption}" in
1388 *) x=${exec_prefix} ;;
1390 for l in ${with_libs}; do
1391 copy_dirs="$l $x/${target_alias}/lib ${copy_dirs}"
1396 # Handle ${copy_dirs}
1397 set fnord ${copy_dirs}
1399 while test $# != 0 ; do
1400 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
1403 echo Copying $1 to $2
1405 # Use the install script to create the directory and all required
1406 # parent directories.
1407 if test -d $2 ; then
1411 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
1414 # Copy the directory, assuming we have tar.
1415 # FIXME: Should we use B in the second tar? Not all systems support it.
1416 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
1418 # It is the responsibility of the user to correctly adjust all
1419 # symlinks. If somebody can figure out how to handle them correctly
1420 # here, feel free to add the code.
1427 extra_arflags_for_target=
1428 extra_nmflags_for_target=
1429 extra_ranlibflags_for_target=
1430 target_makefile_frag=/dev/null
1433 target_makefile_frag="config/mt-netware"
1435 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu)
1436 target_makefile_frag="config/mt-gnu"
1438 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
1439 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
1440 # commands to handle both 32-bit and 64-bit objects. These flags are
1441 # harmless if we're using GNU nm or ar.
1442 extra_arflags_for_target=" -X32_64"
1443 extra_nmflags_for_target=" -B -X32_64"
1446 # ranlib from Darwin requires the -c flag to look at common symbols.
1447 extra_ranlibflags_for_target=" -c"
1449 mips*-*-pe | sh*-*-pe | *arm-wince-pe)
1450 target_makefile_frag="config/mt-wince"
1454 alphaieee_frag=/dev/null
1457 # This just makes sure to use the -mieee option to build target libs.
1458 # This should probably be set individually by each library.
1459 alphaieee_frag="config/mt-alphaieee"
1463 # If --enable-target-optspace always use -Os instead of -O2 to build
1464 # the target libraries, similarly if it is not specified, use -Os
1465 # on selected platforms.
1466 ospace_frag=/dev/null
1467 case "${enable_target_optspace}:${target}" in
1469 ospace_frag="config/mt-ospace"
1472 ospace_frag="config/mt-d30v"
1474 :m32r-* | :d10v-* | :fr30-*)
1475 ospace_frag="config/mt-ospace"
1480 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
1484 # Set with_gnu_as and with_gnu_ld as appropriate.
1486 # This is done by determining whether or not the appropriate directory
1487 # is available, and by checking whether or not specific configurations
1488 # have requested that this magic not happen.
1490 # The command line options always override the explicit settings in
1491 # configure.in, and the settings in configure.in override this magic.
1493 # If the default for a toolchain is to use GNU as and ld, and you don't
1494 # want to do that, then you should use the --without-gnu-as and
1495 # --without-gnu-ld options for the configure script.
1497 if test x${use_gnu_as} = x &&
1498 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
1500 extra_host_args="$extra_host_args --with-gnu-as"
1503 if test x${use_gnu_ld} = x &&
1504 echo " ${configdirs} " | grep " ld " > /dev/null 2>&1 ; then
1506 extra_host_args="$extra_host_args --with-gnu-ld"
1509 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
1510 # can detect this case.
1512 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
1514 extra_host_args="$extra_host_args --with-newlib"
1517 # Default to using --with-stabs for certain targets.
1518 if test x${with_stabs} = x ; then
1520 mips*-*-irix[[56]]*)
1522 mips*-*-* | alpha*-*-osf*)
1524 extra_host_args="${extra_host_args} --with-stabs"
1529 # hpux11 in 64bit mode has libraries in a weird place. Arrange to find
1530 # them automatically.
1533 extra_host_args="$extra_host_args -x-libraries=/usr/lib/pa20_64 -x-includes=/usr/X11R6/include"
1537 # Some systems (e.g., one of the i386-aix systems the gas testers are
1538 # using) don't handle "\$" correctly, so don't use it here.
1539 tooldir='${exec_prefix}'/${target_alias}
1540 build_tooldir=${tooldir}
1542 # Generate default definitions for YACC, M4, LEX and other programs that run
1543 # on the build machine. These are used if the Makefile can't locate these
1544 # programs in objdir.
1545 MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
1546 AC_CHECK_PROGS([CONFIGURED_BISON], [bison], [$MISSING bison])
1547 AC_CHECK_PROGS([CONFIGURED_YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
1548 AC_CHECK_PROGS([CONFIGURED_M4], [gm4 gnum4 m4], [$MISSING m4])
1549 AC_CHECK_PROGS([CONFIGURED_FLEX], [flex], [$MISSING flex])
1550 AC_CHECK_PROGS([CONFIGURED_LEX], [flex lex], [$MISSING flex])
1551 AC_CHECK_PROGS([CONFIGURED_MAKEINFO], makeinfo, [$MISSING makeinfo])
1553 # Create a .gdbinit file which runs the one in srcdir
1554 # and tells GDB to look there for source files.
1556 if test -r ${srcdir}/.gdbinit ; then
1559 *) cat > ./.gdbinit <<EOF
1563 source ${srcdir}/.gdbinit
1569 # Make sure that the compiler is able to generate an executable. If it
1570 # can't, we are probably in trouble. We don't care whether we can run the
1571 # executable--we might be using a cross compiler--we only care whether it
1572 # can be created. At this point the main configure script has set CC.
1574 echo "int main () { return 0; }" > conftest.c
1575 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
1576 if test $? = 0 ; then
1577 if test -s conftest || test -s conftest.exe ; then
1583 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
1584 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
1591 # The Solaris /usr/ucb/cc compiler does not appear to work.
1593 sparc-sun-solaris2*)
1594 CCBASE="`echo ${CC-cc} | sed 's/ .*$//'`"
1595 if test "`type $CCBASE | sed 's/^[[^/]]*//'`" = "/usr/ucb/cc" ; then
1597 test -d /opt/SUNWspro/bin && could_use="/opt/SUNWspro/bin"
1598 if test -d /opt/cygnus/bin ; then
1599 if test "$could_use" = "" ; then
1600 could_use="/opt/cygnus/bin"
1602 could_use="$could_use or /opt/cygnus/bin"
1605 if test "$could_use" = "" ; then
1606 echo "Warning: compilation may fail because you're using"
1607 echo "/usr/ucb/cc. You should change your PATH or CC "
1608 echo "variable and rerun configure."
1610 echo "Warning: compilation may fail because you're using"
1611 echo "/usr/ucb/cc, when you should use the C compiler from"
1612 echo "$could_use. You should change your"
1613 echo "PATH or CC variable and rerun configure."
1619 # If --enable-shared was set, we must set LD_LIBRARY_PATH so that the
1620 # binutils tools will find libbfd.so.
1621 case "${enable_shared}" in
1622 no | "") SET_LIB_PATH= ;;
1623 *) SET_LIB_PATH="\$(REALLY_SET_LIB_PATH)" ;;
1627 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
1628 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
1631 # Record target_configdirs and the configure arguments for target and
1632 # build configuration in Makefile.
1633 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
1634 build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
1636 # Determine whether gdb needs tk/tcl or not.
1637 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
1638 # and in that case we want gdb to be built without tk. Ugh!
1639 # In fact I believe gdb is the *only* package directly dependent on tk,
1640 # so we should be able to put the 'maybe's in unconditionally and
1641 # leave out the maybe dependencies when enable_gdbtk is false. I'm not
1642 # 100% sure that that's safe though.
1644 gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
1645 case "$enable_gdbtk" in
1649 GDB_TK="${gdb_tk}" ;;
1651 # Only add the dependency on gdbtk when GDBtk is part of the gdb
1652 # distro. Eventually someone will fix this and move Insight, nee
1653 # gdbtk to a separate directory.
1654 if test -d ${srcdir}/gdb/gdbtk ; then
1662 # Strip out unwanted targets.
1664 # While at that, we remove Makefiles if we were started for recursive
1665 # configuration, so that the top-level Makefile reconfigures them,
1666 # like we used to do when configure itself was recursive.
1668 # Loop over modules. $extrasub must be used with care, limiting as
1669 # much as possible the usage of range addresses. That's because autoconf
1670 # splits the sed script to overcome limits in the number of commands,
1671 # and relying on carefully-timed sed passes may turn out to be very hard
1672 # to maintain later. In this particular case, you just have to be careful
1673 # not to nest @if/@endif pairs, because configure will not warn you at all.
1675 AC_ARG_ENABLE([bootstrap],
1676 [ --enable-bootstrap[=lean] Enable bootstrapping [no]],,
1677 enable_bootstrap=default)
1679 # Issue errors and warnings for invalid/strange bootstrap combinations.
1680 case "$configdirs" in
1681 *gcc*) have_compiler=yes ;;
1682 *) have_compiler=no ;;
1685 case "$have_compiler:$host:$target:$enable_bootstrap" in
1688 # Default behavior. (We'll) enable bootstrap if we have a compiler
1689 # and we are in a native configuration.
1690 yes:$build:$build:default)
1691 # This will become 'yes'
1692 enable_bootstrap=no ;;
1695 enable_bootstrap=no ;;
1697 # We have a compiler and we are in a native configuration, bootstrap is ok
1698 yes:$build:$build:yes | yes:$build:$build:lean)
1701 # Other configurations, but we have a compiler. Assume the user knows
1703 yes:*:*:yes | yes:*:*:lean)
1704 AC_MSG_WARN([trying to bootstrap a cross compiler])
1707 # No compiler: if they passed --enable-bootstrap explicitly, fail
1708 no:*:*:yes | no:*:*:lean)
1709 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
1711 # Fail if wrong command line
1713 AC_MSG_ERROR([invalid option for --enable-bootstrap])
1717 # Adjust the toplevel makefile according to whether bootstrap was selected.
1718 case "$enable_bootstrap" in
1721 default_target=bootstrap
1722 bootstrap_suffix=bootstrap ;;
1725 default_target=bootstrap
1726 bootstrap_suffix=bootstrap ;;
1729 bootstrap_suffix=no-bootstrap ;;
1731 AC_SUBST(bootstrap_lean)
1732 AC_SUBST(default_target)
1734 for module in ${build_configdirs} ; do
1735 if test -z "${no_recursion}" \
1736 && test -f ${build_subdir}/${module}/Makefile; then
1737 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
1738 rm -f ${build_subdir}/${module}/Makefile
1741 /^@if build-$module\$/d
1742 /^@endif build-$module\$/d
1743 /^@if build-$module-$bootstrap_suffix\$/d
1744 /^@endif build-$module-$bootstrap_suffix\$/d"
1746 for module in ${configdirs} ; do
1747 if test -z "${no_recursion}" \
1748 && test -f ${module}/Makefile; then
1749 echo 1>&2 "*** removing ${module}/Makefile to force reconfigure"
1750 rm -f ${module}/Makefile
1754 /^@endif $module\$/d
1755 /^@if $module-$bootstrap_suffix\$/d
1756 /^@endif $module-$bootstrap_suffix\$/d"
1758 for module in ${target_configdirs} ; do
1759 if test -z "${no_recursion}" \
1760 && test -f ${target_subdir}/${module}/Makefile; then
1761 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
1762 rm -f ${target_subdir}/${module}/Makefile
1765 /^@if target-$module\$/d
1766 /^@endif target-$module\$/d
1767 /^@if target-$module-$bootstrap_suffix\$/d
1768 /^@endif target-$module-$bootstrap_suffix\$/d"
1772 /^@if /,/^@endif /d"
1774 # Create the serialization dependencies. This uses a temporary file.
1776 AC_ARG_ENABLE([serial-configure],
1777 [ --enable-serial-[{host,target,build}-]configure
1778 Force sequential configuration of
1779 sub-packages for the host, target or build
1780 machine, or all sub-packages])
1782 case ${enable_serial_configure} in
1784 enable_serial_build_configure=yes
1785 enable_serial_host_configure=yes
1786 enable_serial_target_configure=yes
1790 # These force 'configure's to be done one at a time, to avoid problems
1791 # with contention over a shared config.cache.
1793 echo '# serdep.tmp' > serdep.tmp
1795 test "x${enable_serial_build_configure}" = xyes &&
1796 for item in ${build_configdirs} ; do
1799 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
1804 test "x${enable_serial_host_configure}" = xyes &&
1805 for item in ${configdirs} ; do
1808 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
1813 test "x${enable_serial_target_configure}" = xyes &&
1814 for item in ${target_configdirs} ; do
1817 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
1821 serialization_dependencies=serdep.tmp
1822 AC_SUBST_FILE(serialization_dependencies)
1824 # Base args. Strip norecursion, cache-file, srcdir, host, build,
1825 # target and nonopt. These are the ones we might not want to pass
1826 # down to subconfigures. Also strip program-prefix, program-suffix,
1827 # and program-transform-name, so that we can pass down a consistent
1828 # program-transform-name. If autoconf has put single quotes around
1829 # any of these arguments (because they contain shell metacharacters)
1830 # then this will fail; in practice this only happens for
1831 # --program-transform-name, so be sure to override --program-transform-name
1832 # at the end of the argument list.
1833 # These will be expanded by make, so quote '$'.
1834 cat <<\EOF_SED > conftestsed
1836 s/ --c[[a-z-]]*[[= ]][[^ ]]*//g
1837 s/ --sr[[a-z-]]*[[= ]][[^ ]]*//g
1838 s/ --ho[[a-z-]]*[[= ]][[^ ]]*//g
1839 s/ --bu[[a-z-]]*[[= ]][[^ ]]*//g
1840 s/ --t[[a-z-]]*[[= ]][[^ ]]*//g
1841 s/ --program-[[pst]][[a-z-]]*[[= ]][[^ ]]*//g
1842 s/ -cache-file[[= ]][[^ ]]*//g
1843 s/ -srcdir[[= ]][[^ ]]*//g
1844 s/ -host[[= ]][[^ ]]*//g
1845 s/ -build[[= ]][[^ ]]*//g
1846 s/ -target[[= ]][[^ ]]*//g
1847 s/ -program-prefix[[= ]][[^ ]]*//g
1848 s/ -program-suffix[[= ]][[^ ]]*//g
1849 s/ -program-transform-name[[= ]][[^ ]]*//g
1850 s/ [[^' -][^ ]*] / /
1854 sed -f conftestsed <<EOF_SED > conftestsed.out
1855 ${ac_configure_args}
1857 baseargs=`cat conftestsed.out`
1858 rm -f conftestsed conftestsed.out
1860 # Add in --program-transform-name, after --program-prefix and
1861 # --program-suffix have been applied to it. Autoconf has already
1862 # doubled dollar signs and backslashes in program_transform_name; we want
1863 # the backslashes un-doubled, and then the entire thing wrapped in single
1864 # quotes, because this will be expanded first by make and then by the shell.
1865 # Also, because we want to override the logic in subdir configure scripts to
1866 # choose program_transform_name, replace any s,x,x, with s,y,y,.
1867 sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
1868 ${program_transform_name}
1870 gcc_transform_name=`cat conftestsed.out`
1871 rm -f conftestsed.out
1872 baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
1874 # For the build-side libraries, we just need to pretend we're native,
1875 # and not use the same cache file. Multilibs are neither needed nor
1877 build_configargs="--cache-file=../config.cache --build=${build_alias} --host=${build_alias} ${baseargs}"
1879 # For host modules, accept cache file option, or specification as blank.
1880 case "${cache_file}" in
1882 cache_file_option="" ;;
1883 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
1884 cache_file_option="--cache-file=${cache_file}" ;;
1886 cache_file_option="--cache-file=../${cache_file}" ;;
1889 # Host dirs don't like to share a cache file either, horribly enough.
1890 # This seems to be due to autoconf 2.5x stupidity.
1891 host_configargs="--cache-file=./config.cache --build=${build_alias} --host=${host_alias} --target=${target_alias} ${extra_host_args} ${baseargs}"
1893 target_configargs=${baseargs}
1895 # Passing a --with-cross-host argument lets the target libraries know
1896 # whether they are being built with a cross-compiler or being built
1897 # native. However, it would be better to use other mechanisms to make the
1898 # sorts of decisions they want to make on this basis. Please consider
1899 # this option to be deprecated. FIXME.
1900 if test x${is_cross_compiler} = xyes ; then
1901 target_configargs="--with-cross-host=${host_alias} ${target_configargs}"
1904 # Default to --enable-multilib.
1905 if test x${enable_multilib} = x ; then
1906 target_configargs="--enable-multilib ${target_configargs}"
1909 # Pass --with-newlib if appropriate. Note that target_configdirs has
1910 # changed from the earlier setting of with_newlib.
1911 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
1912 target_configargs="--with-newlib ${target_configargs}"
1915 # Different target subdirs use different values of certain variables
1916 # (notably CXX). Worse, multilibs use *lots* of different values.
1917 # Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
1918 # it doesn't automatically accept command-line overrides of them.
1919 # This means it's not safe for target subdirs to share a cache file,
1920 # which is disgusting, but there you have it. Hopefully this can be
1921 # fixed in future. It's still worthwhile to use a cache file for each
1922 # directory. I think.
1924 # Pass the appropriate --host, --build, and --cache-file arguments.
1925 target_configargs="--cache-file=./config.cache --host=${target_alias} --build=${build_alias} ${target_configargs}"
1927 # provide a proper gxx_include_dir.
1928 # Note, if you change the default, make sure to fix both here and in
1929 # the gcc and libstdc++-v3 subdirectories.
1930 # Check whether --with-gxx-include-dir or --without-gxx-include-dir was given.
1931 case "${with_gxx_include_dir}" in
1933 AC_MSG_ERROR([--with-gxx-include-dir=[[dir]] requires a directory])
1936 case "${enable_version_specific_runtime_libs}" in
1937 yes) gxx_include_dir='${libsubdir}/include/c++' ;;
1939 . ${srcdir}/config.if
1940 gxx_include_dir='${prefix}/include/'${libstdcxx_incdir} ;;
1942 *) gxx_include_dir=${with_gxx_include_dir} ;;
1946 case " $target_configdirs " in
1948 case " $target_configargs " in
1949 *" --with-newlib "*)
1952 FLAGS_FOR_TARGET=$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' ;;
1955 # If we're not building GCC, don't discard standard headers.
1956 if test -d ${srcdir}/gcc; then
1957 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
1959 if test "${build}" != "${host}"; then
1960 # On Canadian crosses, CC_FOR_TARGET will have already been set
1961 # by `configure', so we won't have an opportunity to add -Bgcc/
1962 # to it. This is right: we don't want to search that directory
1963 # for binaries, but we want the header files in there, so add
1965 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/gcc/include'
1967 # Someone might think of using the pre-installed headers on
1968 # Canadian crosses, in case the installed compiler is not fully
1969 # compatible with the compiler being built. In this case, it
1970 # would be better to flag an error than risking having
1971 # incompatible object files being constructed. We can't
1972 # guarantee that an error will be flagged, but let's hope the
1973 # compiler will do it, when presented with incompatible header
1978 case "${target}-${is_cross_compiler}" in
1979 i[[3456789]]86-*-linux*-no)
1980 # Here host == target, so we don't need to build gcc,
1981 # so we don't want to discard standard headers.
1982 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
1985 # If we're building newlib, use its generic headers last, but search
1986 # for any libc-related directories first (so make it the last -B
1988 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
1996 # Allow the user to override the flags for
1997 # our build compiler if desired.
1998 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
2000 # On Canadian crosses, we'll be searching the right directories for
2001 # the previously-installed cross compiler, so don't bother to add
2002 # flags for directories within the install tree of the compiler
2003 # being built; programs in there won't even run.
2004 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
2005 # Search for pre-installed headers if nothing else fits.
2006 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
2009 if test "x${use_gnu_ld}" = x &&
2010 echo " ${configdirs} " | grep " ld " > /dev/null ; then
2011 # Arrange for us to find uninstalled linker scripts.
2012 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/ld'
2015 if test "x${CC_FOR_TARGET+set}" = xset; then
2017 elif test -d ${srcdir}/gcc; then
2018 CC_FOR_TARGET='$$r/gcc/xgcc -B$$r/gcc/'
2019 elif test "$host" = "$target"; then
2020 CC_FOR_TARGET='$(CC)'
2022 CC_FOR_TARGET=`echo gcc | sed "${program_transform_name}"`
2024 CC_FOR_TARGET=$CC_FOR_TARGET' $(FLAGS_FOR_TARGET)'
2026 if test "x${GCJ_FOR_TARGET+set}" = xset; then
2028 elif test -d ${srcdir}/gcc; then
2029 GCJ_FOR_TARGET='$$r/gcc/gcj -B$$r/gcc/'
2030 elif test "$host" = "$target"; then
2031 GCJ_FOR_TARGET='gcj'
2033 GCJ_FOR_TARGET=`echo gcj | sed "${program_transform_name}"`
2035 GCJ_FOR_TARGET=$GCJ_FOR_TARGET' $(FLAGS_FOR_TARGET)'
2037 if test "x${GFORTRAN_FOR_TARGET+set}" = xset; then
2039 elif test -d ${srcdir}/gcc; then
2040 GFORTRAN_FOR_TARGET='$$r/gcc/gfortran -B$$r/gcc/'
2041 elif test "$host" = "$target"; then
2042 GFORTRAN_FOR_TARGET='gfortran'
2044 GFORTRAN_FOR_TARGET=`echo gfortran | sed "${program_transform_name}"`
2046 case $GFORTRAN_FOR_TARGET in
2047 *' $(FLAGS_FOR_TARGET)') ;;
2048 *) GFORTRAN_FOR_TARGET=$GFORTRAN_FOR_TARGET' $(FLAGS_FOR_TARGET)' ;;
2051 # Don't use libstdc++-v3's flags to configure/build itself.
2052 libstdcxx_flags='`test ! -f $$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$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs'
2053 raw_libstdcxx_flags='-L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs'
2055 if test "x${CXX_FOR_TARGET+set}" = xset; then
2056 if test "x${RAW_CXX_FOR_TARGET+set}" != xset; then
2057 RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
2059 elif test -d ${srcdir}/gcc; then
2060 # We add -shared-libgcc to CXX_FOR_TARGET whenever we use xgcc instead
2061 # of g++ for linking C++ or Java, because g++ has -shared-libgcc by
2062 # default whereas gcc does not.
2063 # RAW_CXX_FOR_TARGET is for linking C++ or java; CXX_FOR_TARGET is for
2065 CXX_FOR_TARGET='$$r/gcc/g++ -B$$r/gcc/ -nostdinc++ '$libstdcxx_flags
2066 RAW_CXX_FOR_TARGET='$$r/gcc/xgcc -shared-libgcc -B$$r/gcc/ -nostdinc++ '$raw_libstdcxx_flags
2067 elif test "$host" = "$target"; then
2068 CXX_FOR_TARGET='$(CXX)'
2069 RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
2071 CXX_FOR_TARGET=`echo c++ | sed "${program_transform_name}"`
2072 RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
2074 CXX_FOR_TARGET=$CXX_FOR_TARGET' $(FLAGS_FOR_TARGET)'
2075 RAW_CXX_FOR_TARGET=$RAW_CXX_FOR_TARGET' $(FLAGS_FOR_TARGET)'
2077 qCXX_FOR_TARGET=`echo "$CXX_FOR_TARGET" | sed 's,[[&%]],\\\&,g'`
2078 qRAW_CXX_FOR_TARGET=`echo "$RAW_CXX_FOR_TARGET" | sed 's,[[&%]],\\\&,g'`
2080 # We want to defer the evaluation of `cmd`s and shell variables in
2081 # CXX_FOR_TARGET when recursing in the top-level Makefile, such as for
2082 # bootstrap. We'll enclose CXX_FOR_TARGET_FOR_RECURSIVE_MAKE in single
2083 # quotes, but we still have to duplicate `$'s so that shell variables
2084 # can be expanded by the nested make as shell variables, not as make
2086 qqCXX_FOR_TARGET=`echo "$qCXX_FOR_TARGET" | sed -e 's,[[$]][[$]],$$$$,g'`
2087 qqRAW_CXX_FOR_TARGET=`echo "$qRAW_CXX_FOR_TARGET" | sed -e 's,[[$]][[$]],$$$$,g'`
2089 # Wrap CC_FOR_TARGET and friends, for certain types of builds.
2090 CC_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${CC_FOR_TARGET}"
2091 GCJ_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${GCJ_FOR_TARGET}"
2092 GFORTRAN_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${GFORTRAN_FOR_TARGET}"
2093 CXX_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${qCXX_FOR_TARGET}"
2094 RAW_CXX_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${qRAW_CXX_FOR_TARGET}"
2095 CXX_FOR_TARGET_FOR_RECURSIVE_MAKE="\$(STAGE_CC_WRAPPER) ${qqCXX_FOR_TARGET}"
2096 RAW_CXX_FOR_TARGET_FOR_RECURSIVE_MAKE="\$(STAGE_CC_WRAPPER) ${qqRAW_CXX_FOR_TARGET}"
2098 # Makefile fragments.
2099 for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
2101 eval fragval=\$$frag
2102 if test $fragval != /dev/null; then
2103 eval $frag=${srcdir}/$fragval
2106 AC_SUBST_FILE(host_makefile_frag)
2107 AC_SUBST_FILE(target_makefile_frag)
2108 AC_SUBST_FILE(alphaieee_frag)
2109 AC_SUBST_FILE(ospace_frag)
2111 # Miscellanea: directories, flags, etc.
2112 AC_SUBST(SET_LIB_PATH)
2113 AC_SUBST(RPATH_ENVVAR)
2114 AC_SUBST(BUILD_PREFIX)
2115 AC_SUBST(BUILD_PREFIX_1)
2116 AC_SUBST(gcc_version_trigger)
2117 AC_SUBST(gcc_version)
2119 AC_SUBST(build_tooldir)
2121 AC_SUBST(gxx_include_dir)
2122 AC_SUBST(libstdcxx_incdir)
2124 # Build module lists & subconfigure args.
2125 AC_SUBST(build_configargs)
2126 AC_SUBST(build_configdirs)
2128 # Host module lists & subconfigure args.
2129 AC_SUBST(host_configargs)
2130 AC_SUBST(configdirs)
2132 # Target module lists & subconfigure args.
2133 AC_SUBST(target_configargs)
2134 AC_SUBST(target_configdirs)
2137 AC_SUBST(CC_FOR_BUILD)
2138 AC_SUBST(config_shell)
2141 NCN_STRICT_CHECK_TOOL(AR, ar)
2142 NCN_STRICT_CHECK_TOOL(AS, as)
2143 NCN_STRICT_CHECK_TOOL(DLLTOOL, dlltool)
2144 NCN_STRICT_CHECK_TOOL(LD, ld)
2145 NCN_STRICT_CHECK_TOOL(NM, nm)
2146 NCN_STRICT_CHECK_TOOL(RANLIB, ranlib, :)
2147 NCN_STRICT_CHECK_TOOL(WINDRES, windres)
2148 NCN_STRICT_CHECK_TOOL(OBJCOPY, objcopy)
2149 NCN_STRICT_CHECK_TOOL(OBJDUMP, objdump)
2153 AC_SUBST(CFLAGS_FOR_BUILD)
2157 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_AR_FOR_TARGET, ar)
2158 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_AS_FOR_TARGET, as)
2159 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_DLLTOOL_FOR_TARGET, dlltool)
2160 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_LD_FOR_TARGET, ld)
2161 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_NM_FOR_TARGET, nm)
2162 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_RANLIB_FOR_TARGET, ranlib, :)
2163 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_WINDRES_FOR_TARGET, windres)
2165 AC_SUBST(GCC_FOR_TARGET)
2166 AC_SUBST(FLAGS_FOR_TARGET)
2167 AC_SUBST(CC_FOR_TARGET)
2168 AC_SUBST(GCJ_FOR_TARGET)
2169 AC_SUBST(GFORTRAN_FOR_TARGET)
2170 AC_SUBST(CXX_FOR_TARGET)
2171 AC_SUBST(RAW_CXX_FOR_TARGET)
2172 AC_SUBST(CXX_FOR_TARGET_FOR_RECURSIVE_MAKE)
2173 AC_SUBST(RAW_CXX_FOR_TARGET_FOR_RECURSIVE_MAKE)
2175 # Fix up target tools.
2176 if test "x${build}" = "x${host}" ; then
2177 # In this case, the newly built tools can and should be used,
2178 # so we override the results of the autoconf tests.
2179 # This should really only happen when the tools are actually being built,
2180 # but that's a further refinement. The new build scheme, where
2181 # tools are built into a structure paralleling where they're installed,
2182 # should also eliminate all of this cleanly.
2183 AR_FOR_TARGET="\$(USUAL_AR_FOR_TARGET)"
2184 AS_FOR_TARGET="\$(USUAL_AS_FOR_TARGET)"
2185 DLLTOOL_FOR_TARGET="\$(USUAL_DLLTOOL_FOR_TARGET)"
2186 LD_FOR_TARGET="\$(USUAL_LD_FOR_TARGET)"
2187 NM_FOR_TARGET="\$(USUAL_NM_FOR_TARGET)"
2188 RANLIB_FOR_TARGET="\$(USUAL_RANLIB_FOR_TARGET)"
2189 WINDRES_FOR_TARGET="\$(USUAL_WINDRES_FOR_TARGET)"
2191 # Just use the ones we found.
2192 AR_FOR_TARGET="\$(CONFIGURED_AR_FOR_TARGET)"
2193 AS_FOR_TARGET="\$(CONFIGURED_AS_FOR_TARGET)"
2194 DLLTOOL_FOR_TARGET="\$(CONFIGURED_DLLTOOL_FOR_TARGET)"
2195 LD_FOR_TARGET="\$(CONFIGURED_LD_FOR_TARGET)"
2196 NM_FOR_TARGET="\$(CONFIGURED_NM_FOR_TARGET)"
2197 RANLIB_FOR_TARGET="\$(CONFIGURED_RANLIB_FOR_TARGET)"
2198 WINDRES_FOR_TARGET="\$(CONFIGURED_WINDRES_FOR_TARGET)"
2200 AC_SUBST(AR_FOR_TARGET)
2201 AC_SUBST(AS_FOR_TARGET)
2202 AC_SUBST(DLLTOOL_FOR_TARGET)
2203 AC_SUBST(LD_FOR_TARGET)
2204 AC_SUBST(NM_FOR_TARGET)
2205 AC_SUBST(RANLIB_FOR_TARGET)
2206 AC_SUBST(WINDRES_FOR_TARGET)
2208 # Certain tools may need extra flags.
2209 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
2210 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
2211 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
2213 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
2214 AC_ARG_ENABLE(maintainer-mode,
2215 [ --enable-maintainer-mode enable make rules and dependencies not useful
2216 (and sometimes confusing) to the casual installer],
2217 USE_MAINTAINER_MODE=$enableval,
2218 USE_MAINTAINER_MODE=no)
2219 AC_MSG_RESULT($USE_MAINTAINER_MODE)
2220 AC_SUBST(MAINTAINER_MODE_TRUE)
2221 AC_SUBST(MAINTAINER_MODE_FALSE)
2222 if test "$USE_MAINTAINER_MODE" = yes; then
2223 MAINTAINER_MODE_TRUE=
2224 MAINTAINER_MODE_FALSE='#'
2226 MAINTAINER_MODE_TRUE='#'
2227 MAINTAINER_MODE_FALSE=
2229 MAINT=$MAINTAINER_MODE_TRUE
2232 # ---------------------
2233 # GCC bootstrap support
2234 # ---------------------
2236 # Stage specific cflags for build.
2241 yes) stage1_cflags="-g -Wa,-J" ;;
2242 *) stage1_cflags="-g -J" ;;
2245 # The spiffy cpp-precomp chokes on some legitimate constructs in GCC
2246 # sources; use -no-cpp-precomp to get to GNU cpp.
2247 # Apple's GCC has bugs in designated initializer handling, so disable
2249 stage1_cflags="-g -no-cpp-precomp -DHAVE_DESIGNATED_INITIALIZERS=0"
2252 AC_SUBST(stage1_cflags)
2254 # It makes debugging easier if we create as symlinks the stage directories
2255 # gcc for stageN-gcc and stagePREV-gcc for stage(N-1). In case this is not
2256 # possible, however, we can resort to mv.
2257 AC_CACHE_CHECK([if symbolic links between directories work],
2258 [gcc_cv_prog_ln_s_dir],
2259 [if test "${LN_S}" = "ln -s" \
2260 && mkdir confdir.s1 \
2261 && ln -s confdir.s1 confdir.s2 \
2262 && echo timestamp1 > confdir.s1/conftest.1 \
2263 && cmp confdir.s1/conftest.1 confdir.s2/conftest.1 \
2264 && echo timestamp2 > confdir.s2/conftest.2 \
2265 && cmp confdir.s1/conftest.2 confdir.s1/conftest.2 \
2266 && rm -f confdir.s2; then
2267 gcc_cv_prog_ln_s_dir=yes
2269 gcc_cv_prog_ln_s_dir=yes
2271 rm -rf confdir.s1 confdir.s2])
2273 case ${gcc_cv_prog_ln_s_dir} in
2275 CREATE_LINK_TO_DIR='ln -s $$1 $$2'
2276 UNDO_LINK_TO_DIR='rm -f $$1' ;;
2278 CREATE_LINK_TO_DIR='mv $$1 $$2'
2279 UNDO_LINK_TO_DIR='mv $$1 $$2' ;;
2281 AC_SUBST(CREATE_LINK_TO_DIR)
2282 AC_SUBST(UNDO_LINK_TO_DIR)
2284 # Enable -Werror in bootstrap stage2 and later.
2285 # Change the default to "no" on release branches.
2286 AC_ARG_ENABLE(werror,
2287 [ --enable-werror enable -Werror in bootstrap stage2 and later], [],
2288 [enable_werror=yes])
2289 case ${enable_werror} in
2290 yes) stage2_werror_flag="--enable-werror-always" ;;
2291 *) stage2_werror_flag="" ;;
2293 AC_SUBST(stage2_werror_flag)