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 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 libraries if build != host.
188 if test ${host_alias} != ${build_alias} ; then
189 build_configdirs=`echo ${build_libs} ${build_tools}`
191 build_configdirs=`echo ${build_tools}`
194 ################################################################################
196 srcname="gnu development package"
198 # This gets set non-empty for some net releases of packages.
201 # Define is_cross_compiler to save on calls to 'test'.
203 if test x"${host}" = x"${target}" ; then
206 is_cross_compiler=yes
209 # Find the build and target subdir names.
212 # Skipdirs are removed silently.
214 # Noconfigdirs are removed loudly.
218 # Make sure we don't let GNU ld be added if we didn't want it.
219 if test x$with_gnu_ld = xno ; then
221 noconfigdirs="$noconfigdirs ld"
225 # Make sure we don't let GNU as be added if we didn't want it.
226 if test x$with_gnu_as = xno ; then
228 noconfigdirs="$noconfigdirs gas"
231 # some tools are so dependent upon X11 that if we're not building with X,
232 # it's not even worth trying to configure, much less build, that tool.
235 yes | "") ;; # the default value for this tree is that X11 is available
237 skipdirs="${skipdirs} tk itcl libgui"
238 # We won't be able to build gdbtk without X.
241 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
244 # Some tools are only suitable for building in a "native" situation.
245 # Remove these if host!=target.
246 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"
248 # Similarly, some are only suitable for cross toolchains.
249 # Remove these if host=target.
250 cross_only="target-libgloss target-newlib target-opcodes"
252 case $is_cross_compiler in
253 no) skipdirs="${skipdirs} ${cross_only}" ;;
254 yes) skipdirs="${skipdirs} ${native_only}" ;;
257 # If both --with-headers and --with-libs are specified, default to
259 if test x"${with_headers}" != x && test x"${with_headers} != xno \
260 && test x"${with_libs}" != x && test x"${with_libs} != xno ; then
261 if test x"${with_newlib}" = x ; then
266 # Recognize --with-newlib/--without-newlib.
267 case ${with_newlib} in
268 no) skipdirs="${skipdirs} target-newlib" ;;
269 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
272 # Configure extra directories which are host specific
276 configdirs="$configdirs libtermcap" ;;
279 # Remove more programs from consideration, based on the host or
280 # target this usually means that a port of the program doesn't
285 noconfigdirs="$noconfigdirs byacc"
287 i[[3456789]]86-*-vsta)
288 noconfigdirs="$noconfigdirs tcl expect dejagnu make texinfo bison patch flex byacc send-pr gprof uudecode dejagnu diff guile perl itcl gnuserv gettext"
290 i[[3456789]]86-*-go32* | i[[3456789]]86-*-msdosdjgpp*)
291 noconfigdirs="$noconfigdirs tcl tk expect dejagnu send-pr uudecode guile itcl gnuserv libffi"
293 i[[3456789]]86-*-mingw32*)
294 # noconfigdirs="tcl tk expect dejagnu make texinfo bison patch flex byacc send-pr uudecode dejagnu diff guile perl itcl gnuserv"
295 noconfigdirs="$noconfigdirs expect dejagnu autoconf automake send-pr rcs guile perl texinfo libtool"
297 i[[3456789]]86-*-beos*)
298 noconfigdirs="$noconfigdirs tk itcl libgui gdb"
301 noconfigdirs="$noconfigdirs autoconf automake send-pr rcs guile perl"
304 noconfigdirs="$noconfigdirs rcs"
307 noconfigdirs="$noconfigdirs patch diff make tk tcl expect dejagnu autoconf automake texinfo bison send-pr gprof rcs guile perl itcl gnuserv"
310 noconfigdirs="$noconfigdirs tk itcl libgui gdb dejagnu readline"
313 noconfigdirs="$noconfigdirs tk itcl libgui"
317 AC_ARG_WITH(libbanshee,
318 [ --without-libbanshee Don't build with libbanshee])
319 case ${with_libbanshee} in
321 noconfigdirs="$noconfigdirs libbanshee" ;;
326 AC_MSG_ERROR([--with-libbanshee can only be empty, "yes" or "no" (empty defaults to "yes".])
329 AC_ARG_ENABLE(libada,
330 [ --enable-libada Builds libada directory],
331 ENABLE_LIBADA=$enableval,
333 if test "${ENABLE_LIBADA}" != "yes" ; then
334 noconfigdirs="$noconfigdirs target-libada"
337 # Save it here so that, even in case of --enable-libgcj, if the Java
338 # front-end isn't enabled, we still get libgcj disabled.
340 case $enable_libgcj in
342 # If we reset it here, it won't get added to noconfigdirs in the
343 # target-specific build rules, so it will be forcibly enabled
344 # (unless the Java language itself isn't enabled).
348 # Make sure we get it printed in the list of not supported target libs.
349 noconfigdirs="$noconfigdirs ${libgcj}"
354 # Allow --disable-libmudflap to exclude target-libmudflap
355 case $enable_libmudflap in
359 noconfigdirs="$noconfigdirs target-libmudflap"
363 *-*-linux*-gnu | *-*-gnu* | *-*-k*bsd*-gnu)
364 # Enable libmudflap by default in GNU and friends.
367 # Enable libmudflap by default in FreeBSD.
370 # Disable it by default everywhere else.
371 noconfigdirs="$noconfigdirs target-libmudflap"
379 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
382 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes gdb gprof"
383 noconfigdirs="$noconfigdirs target-libobjc"
386 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes gdb gprof"
387 noconfigdirs="$noconfigdirs target-libobjc ${libgcj}"
389 *-*-freebsd[[12]] | *-*-freebsd[[12]].* | *-*-freebsd*aout*)
390 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
393 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
394 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
395 && test -f /usr/local/include/gmp.h; then
399 # Skip some stuff that's unsupported on some FreeBSD configurations.
404 noconfigdirs="$noconfigdirs ${libgcj}"
409 # Remove unsupported stuff on all kaOS configurations.
410 skipdirs="target-libiberty ${libgcj} target-libstdc++-v3 target-librx"
411 skipdirs="$skipdirs target-libobjc target-examples target-groff target-gperf"
412 skipdirs="$skipdirs zlib fastjar target-libjava target-boehm-gc target-zlib"
413 noconfigdirs="$noconfigdirs target-libgloss"
416 # Skip some stuff on all NetBSD configurations.
417 noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss"
419 # Skip some stuff that's unsupported on some NetBSD configurations.
421 i*86-*-netbsdelf*) ;;
422 arm*-*-netbsdelf*) ;;
424 noconfigdirs="$noconfigdirs ${libgcj}"
429 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-newlib target-libiberty target-libgloss ${libgcj}"
432 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
435 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-rda ${libgcj}"
438 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libiberty ${libgcj}"
441 # ld works, but does not support shared libraries.
442 # newlib is not 64 bit ready. I'm not sure about fileutils.
443 # gas doesn't generate exception information.
444 noconfigdirs="$noconfigdirs gas ld fileutils target-newlib target-libgloss"
447 noconfigdirs="$noconfigdirs gdb ld target-newlib target-libgloss ${libgcj}"
450 # newlib is not 64 bit ready
451 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
454 # newlib is not 64 bit ready
455 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
458 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
461 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
463 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
464 noconfigdirs="$noconfigdirs ${libgcj}"
465 noconfigdirs="$noconfigdirs target-examples"
466 noconfigdirs="$noconfigdirs target-libiberty texinfo send-pr"
467 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
468 noconfigdirs="$noconfigdirs expect dejagnu"
469 # the C++ libraries don't build on top of CE's C libraries
470 noconfigdirs="$noconfigdirs target-libstdc++-v3"
471 noconfigdirs="$noconfigdirs target-newlib"
473 *-*-cygwin*) ;; # keep gdb and readline
474 *) noconfigdirs="$noconfigdirs gdb readline"
479 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
481 arm-*-coff | strongarm-*-coff | xscale-*-coff)
482 noconfigdirs="$noconfigdirs ${libgcj}"
484 arm-*-elf* | strongarm-*-elf* | xscale-*-elf* | arm*-*-eabi* )
485 noconfigdirs="$noconfigdirs target-libffi target-qthreads"
488 noconfigdirs="$noconfigdirs ${libgcj} target-libiberty"
491 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
494 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
497 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
500 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
503 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
506 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
509 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
512 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
515 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
517 c54x*-*-* | tic54x-*-*)
518 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj} gcc gdb newlib"
521 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
524 noconfigdirs="$noconfigdirs target-libgloss target-libstdc++-v3 target-mudflap ${libgcj}"
527 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
530 noconfigdirs="$noconfigdirs ${libgcj} gdb"
533 noconfigdirs="$noconfigdirs ${libgcj} gdb"
536 noconfigdirs="$noconfigdirs ${libgcj}"
539 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
542 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
544 hppa*64*-*-linux* | parisc*64*-*-linux*)
545 # In this case, it's because the hppa64-linux target is for
546 # the kernel only at this point and has no libc, and thus no
547 # headers, crt*.o, etc., all of which are needed by these.
548 noconfigdirs="$noconfigdirs target-zlib"
551 parisc*-*-linux* | hppa*-*-linux* | \
555 noconfigdirs="$noconfigdirs ${libgcj}"
556 # Do configure ld/binutils/gas for this case.
559 # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
560 # build on HP-UX 10.20.
561 noconfigdirs="$noconfigdirs ld shellutils ${libgcj}"
564 noconfigdirs="$noconfigdirs ${libgcj} gdb"
567 # No gdb support yet.
568 noconfigdirs="$noconfigdirs readline mmalloc libgui itcl gdb"
571 # No gdb or ld support yet.
572 noconfigdirs="$noconfigdirs ${libgcj} readline mmalloc libgui itcl gdb ld"
574 i[[3456789]]86-*-coff | i[[3456789]]86-*-elf)
575 noconfigdirs="$noconfigdirs ${libgcj}"
577 i[[3456789]]86-*-linux*)
578 # The GCC port for glibc1 has no MD_FALLBACK_FRAME_STATE_FOR, so let's
579 # not build java stuff by default.
582 noconfigdirs="$noconfigdirs ${libgcj}";;
585 # This section makes it possible to build newlib natively on linux.
586 # If we are using a cross compiler then don't configure newlib.
587 if test x${is_cross_compiler} != xno ; then
588 noconfigdirs="$noconfigdirs target-newlib"
590 noconfigdirs="$noconfigdirs target-libgloss"
591 # If we are not using a cross compiler, do configure newlib.
592 # Note however, that newlib will only be configured in this situation
593 # if the --with-newlib option has been given, because otherwise
594 # 'target-newlib' will appear in skipdirs.
596 i[[3456789]]86-*-mingw32*)
597 target_configdirs="$target_configdirs target-mingw"
598 noconfigdirs="$noconfigdirs expect target-libgloss ${libgcj}"
600 # Can't build gdb for mingw32 if not native.
602 i[[3456789]]86-*-mingw32) ;; # keep gdb tcl tk expect etc.
603 *) noconfigdirs="$noconfigdirs gdb tcl tk expect itcl gnuserv"
608 target_configdirs="$target_configdirs target-libtermcap target-winsup"
609 noconfigdirs="$noconfigdirs target-gperf target-libgloss ${libgcj}"
610 # always build newlib if winsup directory is present.
611 if test -d "$srcdir/winsup"
613 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
615 echo "Warning: winsup is missing so newlib can't be built."
618 # Can't build gdb for Cygwin if not native.
620 *-*-cygwin*) ;; # keep gdb tcl tk expect etc.
621 *) noconfigdirs="$noconfigdirs gdb tcl tk expect itcl libgui gnuserv"
626 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
628 i[[3456789]]86-*-sco3.2v5*)
629 # The linker does not yet know about weak symbols in COFF,
630 # and is not configured to handle mixed ELF and COFF.
631 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
633 i[[3456789]]86-*-sco*)
634 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
636 i[[3456789]]86-*-solaris2*)
637 noconfigdirs="$noconfigdirs target-libgloss"
639 i[[3456789]]86-*-sysv4*)
640 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
642 i[[3456789]]86-*-beos*)
643 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
646 noconfigdirs="$noconfigdirs ${libgcj}"
648 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
649 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
652 noconfigdirs="$noconfigdirs ${libgcj}"
655 noconfigdirs="$noconfigdirs ${libgcj}"
658 # The EPOC C++ environment does not support exceptions or rtti,
659 # and so building libstdc++-v3 tends not to always work.
660 noconfigdirs="$noconfigdirs target-libstdc++-v3"
663 noconfigdirs="$noconfigdirs ${libgcj} gdb libgloss"
666 noconfigdirs="$noconfigdirs ${libgcj}"
669 noconfigdirs="$noconfigdirs ${libgcj}"
672 # copied from rs6000-*-* entry
673 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
675 powerpc*-*-winnt* | powerpc*-*-pe* | ppc*-*-pe)
676 target_configdirs="$target_configdirs target-winsup"
677 noconfigdirs="$noconfigdirs gdb tcl tk make expect target-libgloss itcl gnuserv ${libgcj}"
678 # always build newlib.
679 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
681 # This is temporary until we can link against shared libraries
682 powerpcle-*-solaris*)
683 noconfigdirs="$noconfigdirs gdb sim make tcl tk expect itcl gnuserv ${libgcj}"
686 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
689 noconfigdirs="$noconfigdirs ${libgcj}"
692 noconfigdirs="$noconfigdirs target-newlib gprof ${libgcj}"
695 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
698 noconfigdirs="$noconfigdirs gprof ${libgcj}"
701 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss ${libgcj}"
704 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
707 # Linking libjava exceeds command-line length limits on at least
708 # IRIX 6.2, but not on IRIX 6.5.
709 # Also, boehm-gc won't build on IRIX 6.5, according to Jeffrey Oldham
710 # <oldham@codesourcery.com>
711 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
714 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
717 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
720 noconfigdirs="$noconfigdirs gprof ${libgcj}" # same as generic mips
723 noconfigdirs="$noconfigdirs target-newlib ${libgcj}"
726 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
729 noconfigdirs="$noconfigdirs gprof ${libgcj}"
732 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes target-libgloss ${libgcj}"
736 i[[3456789]]86-*-vsta) ;; # don't add gprof back in
737 i[[3456789]]86-*-go32*) ;; # don't add gprof back in
738 i[[3456789]]86-*-msdosdjgpp*) ;; # don't add gprof back in
739 *) skipdirs=`echo " ${skipdirs} " | sed -e 's/ gprof / /'` ;;
741 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
744 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
747 noconfigdirs="$noconfigdirs ${libgcj}"
750 noconfigdirs="$noconfigdirs ${libgcj}"
753 noconfigdirs="$noconfigdirs ${libgcj}"
756 noconfigdirs="$noconfigdirs ${libgcj}"
757 if test x${is_cross_compiler} != xno ; then
758 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
763 sparc-*-solaris* | sparc64-*-solaris* | sparcv9-*-solaris*)
766 noconfigdirs="$noconfigdirs bfd binutils gas gcc gdb ld target-libstdc++-v3 opcodes target-libgloss ${libgcj}"
769 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
772 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
775 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
778 noconfigdirs="$noconfigdirs bfd binutils gdb ld target-newlib opcodes target-libgloss ${libgcj}"
781 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
784 noconfigdirs="$noconfigdirs ${libgcj}"
787 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
789 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu)
790 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
793 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
796 noconfigdirs="$noconfigdirs ${libgcj}"
800 # If we aren't building newlib, then don't build libgloss, since libgloss
801 # depends upon some newlib header files.
802 case "${noconfigdirs}" in
803 *target-libgloss*) ;;
804 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
807 # Work in distributions that contain no compiler tools, like Autoconf.
809 host_makefile_frag=/dev/null
810 if test -d ${srcdir}/config ; then
813 # Avoid "too much defining" errors from HPUX compiler.
814 tentative_cc="cc -Wp,-H256000"
815 # If "ar" in $PATH is GNU ar, the symbol table may need rebuilding.
816 # If it's HP/UX ar, this should be harmless.
820 tentative_cc="cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DUSG"
823 #None of the Apollo compilers can compile gas or binutils. The preprocessor
824 # chokes on bfd, the compiler won't let you assign integers to enums, and
825 # other problems. Defining CC to gcc is a questionable way to say "don't use
826 # the apollo compiler" (the preferred version of GCC could be called cc,
827 # or whatever), but I'm not sure leaving CC as cc is any better...
828 #CC=cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DNO_STDARG
829 # Used to have BISON=yacc.
833 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
836 # Under CX/UX, we want to tell the compiler to use ANSI mode.
837 tentative_cc="cc -Xa"
838 host_makefile_frag="config/mh-cxux"
843 tentative_cc="cc -Wf,-XNg1000"
844 host_makefile_frag="config/mh-decstation"
847 # The C compiler on NEC MIPS SVR4 needs bigger tables.
848 tentative_cc="cc -ZXNd=5000 -ZXNg=1000"
849 host_makefile_frag="config/mh-necv4"
852 # Tell compiler to use K&R C. We can't compile under the SGI Ansi
853 # environment. Also bump switch table size so that cp-parse will
854 # compile. Bump string length limit so linker builds.
855 tentative_cc="cc -cckr -Wf,-XNg1500 -Wf,-XNk1000 -Wf,-XNh2000 -Wf,-XNl8192"
858 host_makefile_frag="config/mh-sysv4"
861 # This is for a MIPS running RISC/os 4.52C.
863 # This is needed for GDB, but needs to be in the top-level make because
864 # if a library is compiled with the bsd headers and gets linked with the
865 # sysv system libraries all hell can break loose (e.g. a jmp_buf might be
867 # ptrace(2) apparently has problems in the BSD environment. No workaround is
868 # known except to select the sysv environment. Could we use /proc instead?
869 # These "sysv environments" and "bsd environments" often end up being a pain.
871 # This is not part of CFLAGS because perhaps not all C compilers have this
873 tentative_cc="cc -systype sysv"
878 i[[3456789]]86-*-sysv5*)
879 host_makefile_frag="config/mh-sysv5"
881 i[[3456789]]86-*-dgux*)
882 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
883 host_makefile_frag="config/mh-dgux386"
885 i[[3456789]]86-ncr-sysv4.3*)
886 # The MetaWare compiler will generate a copyright message unless you
887 # turn it off by adding the -Hnocopyr flag.
888 tentative_cc="cc -Hnocopyr"
890 i[[3456789]]86-ncr-sysv4*)
891 # for an NCR 3000 (i486/SVR4) system.
892 # The NCR 3000 ships with a MetaWare compiler installed as /bin/cc.
893 # This compiler not only emits obnoxious copyright messages every time
894 # you run it, but it chokes and dies on a whole bunch of GNU source
895 # files. Default to using the AT&T compiler installed in /usr/ccs/ATT/cc.
896 tentative_cc="/usr/ccs/ATT/cc"
897 host_makefile_frag="config/mh-ncr3000"
899 i[[3456789]]86-*-sco3.2v5*)
901 i[[3456789]]86-*-sco*)
902 # The native C compiler botches some simple uses of const. Unfortunately,
903 # it doesn't defined anything like "__sco__" for us to test for in ansidecl.h.
904 tentative_cc="cc -Dconst="
905 host_makefile_frag="config/mh-sco"
907 i[[3456789]]86-*-udk*)
908 host_makefile_frag="config/mh-sysv5"
910 i[[3456789]]86-*-solaris2*)
911 host_makefile_frag="config/mh-sysv4"
913 i[[3456789]]86-*-msdosdjgpp*)
914 host_makefile_frag="config/mh-djgpp"
917 host_makefile_frag="config/mh-cygwin"
920 host_makefile_frag="config/mh-mingw32"
923 host_makefile_frag="config/mh-interix"
926 # The old BSD pcc isn't up to compiling parts of gdb so use gcc
930 host_makefile_frag="config/mh-solaris"
933 # Sun's C compiler needs the -J flag to be able to compile cp-parse.c
934 # without overflowing the jump tables (-J says to use a 32 bit table)
938 tentative_cc="cc -Wp,-H256000"
941 tentative_cc="cc -Wp,-H256000"
944 # /bin/cc is less than useful for our purposes. Always use GCC
945 tentative_cc="/usr/cygnus/progressive/bin/gcc"
946 host_makefile_frag="config/mh-lynxrs6k"
949 # /bin/cc is less than useful for our purposes. Always use GCC
950 tentative_cc="/bin/gcc"
953 host_makefile_frag="config/mh-sysv4"
958 # If we aren't going to be using gcc, see if we can extract a definition
959 # of CC from the fragment.
960 # Actually, use the 'pre-extracted' version above.
961 if test -z "${CC}" && test "${build}" = "${host}" ; then
962 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
965 test -z "$dir" && dir=.
966 if test -f $dir/gcc; then
972 if test -z "${found}" && test -n "${tentative_cc}" ; then
977 if test "${build}" != "${host}" ; then
978 # If we are doing a Canadian Cross, in which the host and build systems
979 # are not the same, we set reasonable default values for the tools.
981 CC=${CC-${host_alias}-gcc}
982 CFLAGS=${CFLAGS-"-g -O2"}
983 CXX=${CXX-${host_alias}-c++}
984 CXXFLAGS=${CXXFLAGS-"-g -O2"}
985 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
986 CC_FOR_TARGET=${CC_FOR_TARGET-${target_alias}-gcc}
987 CXX_FOR_TARGET=${CXX_FOR_TARGET-${target_alias}-c++}
988 GCJ_FOR_TARGET=${GCJ_FOR_TARGET-${target_alias}-gcj}
989 GCC_FOR_TARGET=${GCC_FOR_TARGET-${CC_FOR_TARGET-${target_alias}-gcc}}
990 BUILD_PREFIX=${build_alias}-
991 BUILD_PREFIX_1=${build_alias}-
994 # Set reasonable default values for some tools even if not Canadian.
995 # Of course, these are different reasonable default values, originally
996 # specified directly in the Makefile.
997 # We don't export, so that autoconf can do its job.
998 # Note that all these settings are above the fragment inclusion point
999 # in Makefile.in, so can still be overridden by fragments.
1000 # This is all going to change when we autoconfiscate...
1002 CC_FOR_BUILD="\$(CC)"
1003 GCC_FOR_TARGET="\$(USUAL_GCC_FOR_TARGET)"
1005 BUILD_PREFIX_1=loser-
1009 # We must set the default linker to the linker used by gcc for the correct
1010 # operation of libtool. If LD is not defined and we are using gcc, try to
1011 # set the LD default to the ld used by gcc.
1012 if test -z "$LD"; then
1013 if test "$GCC" = yes; then
1016 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1018 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1020 case $gcc_prog_ld in
1021 # Accept absolute paths.
1022 [[\\/]* | [A-Za-z]:[\\/]*)]
1023 LD="$gcc_prog_ld" ;;
1029 CFLAGS=${CFLAGS-"-g"}
1030 CXXFLAGS=${CXXFLAGS-"-g -O2"}
1034 ACX_PROG_CMP_IGNORE_INITIAL
1036 # Check for GMP and MPFR
1040 # Specify a location for mpfr
1041 # check for this first so it ends up on the link line before gmp.
1042 AC_ARG_WITH(mpfr-dir, [ --with-mpfr-dir=PATH Specify source directory for MPFR library])
1044 if test "x$with_mpfr_dir" != x; then
1045 gmpinc="-I$with_mpfr_dir/mpfr"
1046 gmplibs="$with_mpfr_dir/libmpfr.a"
1051 AC_ARG_WITH(mpfr, [ --with-mpfr=PATH Specify directory for installed MPFR library])
1053 if test "x$with_mpfr" != x; then
1054 gmplibs="-L$with_mpfr/lib $gmplibs"
1055 gmpinc="-I$with_mpfr/include"
1058 # Specify a location for gmp
1059 AC_ARG_WITH(gmp-dir, [ --with-gmp-dir=PATH Specify source directory for GMP library])
1061 if test "x$with_gmp_dir" != x; then
1062 gmpinc="$gmpinc -I$with_gmp_dir"
1063 if test -f "$with_gmp_dir/.libs/libgmp.a"; then
1064 gmplibs="$gmplibs $with_gmp_dir/.libs/libgmp.a"
1065 elif test -f "$with_gmp_dir/_libs/libgmp.a"; then
1066 gmplibs="$gmplibs $with_gmp_dir/_libs/libgmp.a"
1068 # One of the later tests will catch the error if neither library is present.
1070 gmplibs="$gmplibs -lgmp"
1073 AC_ARG_WITH(gmp, [ --with-gmp=PATH Specify directory for installed GMP library])
1075 if test "x$with_gmp" != x; then
1076 gmplibs="-L$with_gmp/lib $gmplibs"
1077 gmpinc="-I$with_gmp/include $gmpinc"
1080 saved_CFLAGS="$CFLAGS"
1081 CFLAGS="$CFLAGS $gmpinc"
1082 # Check GMP actually works
1083 AC_MSG_CHECKING([for correct version of gmp.h])
1084 AC_TRY_COMPILE([#include "gmp.h"],[
1085 #if __GNU_MP_VERSION < 3
1088 ], [AC_MSG_RESULT([yes])],
1089 [AC_MSG_RESULT([no]); have_gmp=no])
1091 if test x"$have_gmp" = xyes; then
1092 AC_MSG_CHECKING([for MPFR])
1095 LIBS="$LIBS $gmplibs"
1096 AC_TRY_LINK([#include <gmp.h>
1097 #include <mpfr.h>], [mpfr_t n; mpfr_init(n);],
1098 [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1100 CFLAGS="$saved_CFLAGS"
1103 # Flags needed for both GMP and/or MPFR
1107 # By default, C is the only stage 1 language.
1109 AC_SUBST(stage1_languages)
1111 # Figure out what language subdirectories are present.
1112 # Look if the user specified --enable-languages="..."; if not, use
1113 # the environment variable $LANGUAGES if defined. $LANGUAGES might
1115 # NB: embedded tabs in this IF block -- do not untabify
1116 if test -d ${srcdir}/gcc; then
1117 if test x"${enable_languages+set}" != xset; then
1118 if test x"${LANGUAGES+set}" = xset; then
1119 enable_languages="${LANGUAGES}"
1120 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1122 enable_languages=all
1125 if test x"${enable_languages}" = x ||
1126 test x"${enable_languages}" = xyes;
1128 echo configure.in: --enable-languages needs at least one language argument 1>&2
1132 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1134 # First scan to see if an enabled language requires some other language.
1135 # We assume that a given config-lang.in will list all the language
1136 # front ends it requires, even if some are required indirectly.
1137 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1138 case ${lang_frag} in
1140 # The odd quoting in the next line works around
1141 # an apparent bug in bash 1.12 on linux.
1142 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1144 # From the config-lang.in, get $language, $lang_requires
1148 for other in ${lang_requires} ; do
1149 case ,${enable_languages}, in
1153 echo " \`$other' language required by \`$language'; enabling" 1>&2
1154 enable_languages="${enable_languages},${other}"
1162 new_enable_languages=c
1163 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
1164 potential_languages=c
1166 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1167 case ${lang_frag} in
1169 # The odd quoting in the next line works around
1170 # an apparent bug in bash 1.12 on linux.
1171 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1173 # From the config-lang.in, get $language, $target_libs,
1174 # $lang_dirs, $boot_language, and $build_by_default
1182 potential_languages="${potential_languages},${language}"
1183 # This is quite sensitive to the ordering of the case statement arms.
1184 case ,${enable_languages},:${language}:${have_gnat}:${build_by_default} in
1186 echo "${lang_frag} doesn't set \$language." 1>&2
1190 # Ada was requested with no preexisting GNAT. Disable unconditionally.
1193 *,${language},*:*:*:*)
1194 # Language was explicitly selected; include it.
1198 # 'all' was selected, but this is not a default language
1199 # so do not include it.
1203 # 'all' was selected and this is a default language; include it.
1211 # Disable languages that need GMP if it isn't available.
1212 case ,${enable_languages},:${have_gmp}:${need_gmp} in
1213 *,${language},*:no:yes)
1214 # Specifically requested language; tell them.
1215 AC_MSG_ERROR([GMP with MPFR support is required to build $language])
1223 case $add_this_lang in
1225 # Remove language-dependent dirs.
1226 eval noconfigdirs='"$noconfigdirs "'\"$target_libs $lang_dirs\"
1229 new_enable_languages="$new_enable_languages,$language"
1230 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
1231 case ${boot_language} in
1233 # Add to (comma-separated) list of stage 1 languages.
1234 stage1_languages="${stage1_languages},${language}"
1243 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
1244 if test "x$missing_languages" != x; then
1246 The following requested languages were not found: ${missing_languages}
1247 The available languages are: ${potential_languages}])
1250 if test "x$new_enable_languages" != "x$enable_languages"; then
1251 echo The following languages will be built: ${new_enable_languages}
1253 enable_languages="$new_enable_languages"
1254 ac_configure_args=`echo " $ac_configure_args" | sed -e 's/ --enable-languages=[[^ ]]*//' -e 's/$/ --enable-languages='"$enable_languages"/ `
1257 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs and
1258 # $target_configdirs.
1259 # If we have the source for $noconfigdirs entries, add them to $notsupp.
1262 for dir in . $skipdirs $noconfigdirs ; do
1263 dirname=`echo $dir | sed -e s/target-//g`
1264 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1265 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
1266 if test -r $srcdir/$dirname/configure ; then
1267 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1270 notsupp="$notsupp $dir"
1274 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1275 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
1276 if test -r $srcdir/$dirname/configure ; then
1277 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1280 notsupp="$notsupp $dir"
1286 # Sometimes the tools are distributed with libiberty but with no other
1287 # libraries. In that case, we don't want to build target-libiberty.
1288 if test -n "${target_configdirs}" ; then
1290 for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do
1291 if test "$i" != "libiberty" ; then
1292 if test -r $srcdir/$i/configure ; then
1298 if test -z "${others}" ; then
1303 # Quietly strip out all directories which aren't configurable in this tree.
1304 # This relies on all configurable subdirectories being autoconfiscated, which
1306 build_configdirs_all="$build_configdirs"
1308 for i in ${build_configdirs_all} ; do
1309 j=`echo $i | sed -e s/build-//g`
1310 if test -f ${srcdir}/$j/configure ; then
1311 build_configdirs="${build_configdirs} $i"
1315 configdirs_all="$configdirs"
1317 for i in ${configdirs_all} ; do
1318 if test -f ${srcdir}/$i/configure ; then
1319 configdirs="${configdirs} $i"
1323 target_configdirs_all="$target_configdirs"
1325 for i in ${target_configdirs_all} ; do
1326 j=`echo $i | sed -e s/target-//g`
1327 if test -f ${srcdir}/$j/configure ; then
1328 target_configdirs="${target_configdirs} $i"
1332 # Produce a warning message for the subdirs we can't configure.
1333 # This isn't especially interesting in the Cygnus tree, but in the individual
1334 # FSF releases, it's important to let people know when their machine isn't
1335 # supported by the one or two programs in a package.
1337 if test -n "${notsupp}" && test -z "${norecursion}" ; then
1338 # If $appdirs is non-empty, at least one of those directories must still
1339 # be configured, or we error out. (E.g., if the gas release supports a
1340 # specified target in some subdirs but not the gas subdir, we shouldn't
1341 # pretend that all is well.)
1342 if test -n "$appdirs" ; then
1343 for dir in $appdirs ; do
1344 if test -r $dir/Makefile.in ; then
1345 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1349 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
1355 if test -n "$appdirs" ; then
1356 echo "*** This configuration is not supported by this package." 1>&2
1360 # Okay, some application will build, or we don't care to check. Still
1361 # notify of subdirs not getting built.
1362 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
1363 echo " ${notsupp}" 1>&2
1364 echo " (Any other directories should still work fine.)" 1>&2
1374 # Handle --with-headers=XXX. If the value is not "yes", the contents of
1375 # the named directory are copied to $(tooldir)/sys-include.
1376 if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
1377 if test x${is_cross_compiler} = xno ; then
1378 echo 1>&2 '***' --with-headers is only supported when cross compiling
1381 if test x"${with_headers}" != xyes ; then
1382 case "${exec_prefixoption}" in
1384 *) x=${exec_prefix} ;;
1386 copy_dirs="${copy_dirs} ${with_headers} $x/${target_alias}/sys-include"
1390 # Handle --with-libs=XXX. If the value is not "yes", the contents of
1391 # the name directories are copied to $(tooldir)/lib. Multiple directories
1393 if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
1394 if test x${is_cross_compiler} = xno ; then
1395 echo 1>&2 '***' --with-libs is only supported when cross compiling
1398 if test x"${with_libs}" != xyes ; then
1399 # Copy the libraries in reverse order, so that files in the first named
1400 # library override files in subsequent libraries.
1401 case "${exec_prefixoption}" in
1403 *) x=${exec_prefix} ;;
1405 for l in ${with_libs}; do
1406 copy_dirs="$l $x/${target_alias}/lib ${copy_dirs}"
1411 # Handle ${copy_dirs}
1412 set fnord ${copy_dirs}
1414 while test $# != 0 ; do
1415 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
1418 echo Copying $1 to $2
1420 # Use the install script to create the directory and all required
1421 # parent directories.
1422 if test -d $2 ; then
1426 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
1429 # Copy the directory, assuming we have tar.
1430 # FIXME: Should we use B in the second tar? Not all systems support it.
1431 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
1433 # It is the responsibility of the user to correctly adjust all
1434 # symlinks. If somebody can figure out how to handle them correctly
1435 # here, feel free to add the code.
1442 extra_arflags_for_target=
1443 extra_nmflags_for_target=
1444 extra_ranlibflags_for_target=
1445 target_makefile_frag=/dev/null
1447 i[[3456789]]86-*-netware*)
1448 target_makefile_frag="config/mt-netware"
1451 target_makefile_frag="config/mt-netware"
1453 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu)
1454 target_makefile_frag="config/mt-gnu"
1456 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
1457 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
1458 # commands to handle both 32-bit and 64-bit objects. These flags are
1459 # harmless if we're using GNU nm or ar.
1460 extra_arflags_for_target=" -X32_64"
1461 extra_nmflags_for_target=" -B -X32_64"
1464 # ranlib from Darwin requires the -c flag to look at common symbols.
1465 extra_ranlibflags_for_target=" -c"
1467 mips*-*-pe | sh*-*-pe | *arm-wince-pe)
1468 target_makefile_frag="config/mt-wince"
1472 alphaieee_frag=/dev/null
1475 # This just makes sure to use the -mieee option to build target libs.
1476 # This should probably be set individually by each library.
1477 alphaieee_frag="config/mt-alphaieee"
1481 # If --enable-target-optspace always use -Os instead of -O2 to build
1482 # the target libraries, similarly if it is not specified, use -Os
1483 # on selected platforms.
1484 ospace_frag=/dev/null
1485 case "${enable_target_optspace}:${target}" in
1487 ospace_frag="config/mt-ospace"
1490 ospace_frag="config/mt-d30v"
1492 :m32r-* | :d10v-* | :fr30-*)
1493 ospace_frag="config/mt-ospace"
1498 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
1502 # Set with_gnu_as and with_gnu_ld as appropriate.
1504 # This is done by determining whether or not the appropriate directory
1505 # is available, and by checking whether or not specific configurations
1506 # have requested that this magic not happen.
1508 # The command line options always override the explicit settings in
1509 # configure.in, and the settings in configure.in override this magic.
1511 # If the default for a toolchain is to use GNU as and ld, and you don't
1512 # want to do that, then you should use the --without-gnu-as and
1513 # --without-gnu-ld options for the configure script.
1515 if test x${use_gnu_as} = x &&
1516 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
1518 extra_host_args="$extra_host_args --with-gnu-as"
1521 if test x${use_gnu_ld} = x &&
1522 echo " ${configdirs} " | grep " ld " > /dev/null 2>&1 ; then
1524 extra_host_args="$extra_host_args --with-gnu-ld"
1527 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
1528 # can detect this case.
1530 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
1532 extra_host_args="$extra_host_args --with-newlib"
1535 if test x${with_libbanshee} = xyes && echo " ${configdirs} " | grep " libbanshee " >/dev/null 2>&1; then
1536 extra_host_args="$extra_host_args --with-libbanshee"
1539 # Default to using --with-stabs for certain targets.
1540 if test x${with_stabs} = x ; then
1542 mips*-*-irix[[56]]*)
1544 mips*-*-* | alpha*-*-osf*)
1546 extra_host_args="${extra_host_args} --with-stabs"
1551 # hpux11 in 64bit mode has libraries in a weird place. Arrange to find
1552 # them automatically.
1555 extra_host_args="$extra_host_args -x-libraries=/usr/lib/pa20_64 -x-includes=/usr/X11R6/include"
1559 # Some systems (e.g., one of the i386-aix systems the gas testers are
1560 # using) don't handle "\$" correctly, so don't use it here.
1561 tooldir='${exec_prefix}'/${target_alias}
1562 build_tooldir=${tooldir}
1564 # Generate default definitions for YACC, M4, LEX and other programs that run
1565 # on the build machine. These are used if the Makefile can't locate these
1566 # programs in objdir.
1567 MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
1568 AC_CHECK_PROGS([CONFIGURED_BISON], [bison], [$MISSING bison])
1569 AC_CHECK_PROGS([CONFIGURED_YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
1570 AC_CHECK_PROGS([CONFIGURED_M4], [gm4 gnum4 m4], [$MISSING m4])
1571 AC_CHECK_PROGS([CONFIGURED_FLEX], [flex], [$MISSING flex])
1572 AC_CHECK_PROGS([CONFIGURED_LEX], [flex lex], [$MISSING flex])
1573 AC_CHECK_PROGS([CONFIGURED_MAKEINFO], makeinfo, [$MISSING makeinfo])
1575 # Create a .gdbinit file which runs the one in srcdir
1576 # and tells GDB to look there for source files.
1578 if test -r ${srcdir}/.gdbinit ; then
1581 *) cat > ./.gdbinit <<EOF
1585 source ${srcdir}/.gdbinit
1591 # Make sure that the compiler is able to generate an executable. If it
1592 # can't, we are probably in trouble. We don't care whether we can run the
1593 # executable--we might be using a cross compiler--we only care whether it
1594 # can be created. At this point the main configure script has set CC.
1596 echo "int main () { return 0; }" > conftest.c
1597 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
1598 if test $? = 0 ; then
1599 if test -s conftest || test -s conftest.exe ; then
1605 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
1606 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
1613 # The Solaris /usr/ucb/cc compiler does not appear to work.
1615 sparc-sun-solaris2*)
1616 CCBASE="`echo ${CC-cc} | sed 's/ .*$//'`"
1617 if test "`type $CCBASE | sed 's/^[[^/]]*//'`" = "/usr/ucb/cc" ; then
1619 test -d /opt/SUNWspro/bin && could_use="/opt/SUNWspro/bin"
1620 if test -d /opt/cygnus/bin ; then
1621 if test "$could_use" = "" ; then
1622 could_use="/opt/cygnus/bin"
1624 could_use="$could_use or /opt/cygnus/bin"
1627 if test "$could_use" = "" ; then
1628 echo "Warning: compilation may fail because you're using"
1629 echo "/usr/ucb/cc. You should change your PATH or CC "
1630 echo "variable and rerun configure."
1632 echo "Warning: compilation may fail because you're using"
1633 echo "/usr/ucb/cc, when you should use the C compiler from"
1634 echo "$could_use. You should change your"
1635 echo "PATH or CC variable and rerun configure."
1641 # If --enable-shared was set, we must set LD_LIBRARY_PATH so that the
1642 # binutils tools will find libbfd.so.
1643 case "${enable_shared}" in
1644 no | "") SET_LIB_PATH= ;;
1645 *) SET_LIB_PATH="\$(REALLY_SET_LIB_PATH)" ;;
1649 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
1650 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
1653 # Record target_configdirs and the configure arguments for target and
1654 # build configuration in Makefile.
1655 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
1656 build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
1658 # Determine whether gdb needs tk/tcl or not.
1659 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
1660 # and in that case we want gdb to be built without tk. Ugh!
1661 # In fact I believe gdb is the *only* package directly dependent on tk,
1662 # so we should be able to put the 'maybe's in unconditionally and
1663 # leave out the maybe dependencies when enable_gdbtk is false. I'm not
1664 # 100% sure that that's safe though.
1666 gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
1667 case "$enable_gdbtk" in
1671 GDB_TK="${gdb_tk}" ;;
1673 # Only add the dependency on gdbtk when GDBtk is part of the gdb
1674 # distro. Eventually someone will fix this and move Insight, nee
1675 # gdbtk to a separate directory.
1676 if test -d ${srcdir}/gdb/gdbtk ; then
1684 # Strip out unwanted targets.
1686 # While at that, we remove Makefiles if we were started for recursive
1687 # configuration, so that the top-level Makefile reconfigures them,
1688 # like we used to do when configure itself was recursive.
1690 # Loop over modules. $extrasub must be used with care, limiting as
1691 # much as possible the usage of range addresses. That's because autoconf
1692 # splits the sed script to overcome limits in the number of commands,
1693 # and relying on carefully-timed sed passes may turn out to be very hard
1694 # to maintain later. In this particular case, you just have to be careful
1695 # not to nest @if/@endif pairs, because configure will not warn you at all.
1697 AC_ARG_ENABLE([bootstrap],
1698 [ --enable-bootstrap Enable bootstrapping [no]],,
1699 enable_bootstrap=no)
1700 if test -d ${srcdir}/gcc; then
1701 case "$host:$target:$enable_bootstrap" in
1702 $build:$build:yes | *:no) ;;
1703 *:yes) AC_MSG_ERROR([cannot bootstrap a cross-compiler]) ;;
1704 *) AC_MSG_ERROR([invalid option for --enable-bootstrap]) ;;
1707 if test $enable_bootstrap = yes; then
1708 AC_MSG_ERROR([cannot bootstrap without a compiler])
1712 case "$enable_bootstrap" in
1714 default_target=bootstrap
1715 bootstrap_suffix=bootstrap ;;
1718 bootstrap_suffix=no-bootstrap ;;
1720 AC_SUBST(default_target)
1722 for module in ${build_configdirs} ; do
1723 if test -z "${no_recursion}" \
1724 && test -f ${build_subdir}/${module}/Makefile; then
1725 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
1726 rm -f ${build_subdir}/${module}/Makefile
1729 /^@if build-$module\$/d
1730 /^@endif build-$module\$/d
1731 /^@if build-$module-$bootstrap_suffix\$/d
1732 /^@endif build-$module-$bootstrap_suffix\$/d"
1734 for module in ${configdirs} ; do
1735 if test -z "${no_recursion}" \
1736 && test -f ${module}/Makefile; then
1737 echo 1>&2 "*** removing ${module}/Makefile to force reconfigure"
1738 rm -f ${module}/Makefile
1742 /^@endif $module\$/d
1743 /^@if $module-$bootstrap_suffix\$/d
1744 /^@endif $module-$bootstrap_suffix\$/d"
1746 for module in ${target_configdirs} ; do
1747 if test -z "${no_recursion}" \
1748 && test -f ${target_subdir}/${module}/Makefile; then
1749 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
1750 rm -f ${target_subdir}/${module}/Makefile
1753 /^@if target-$module\$/d
1754 /^@endif target-$module\$/d
1755 /^@if target-$module-$bootstrap_suffix\$/d
1756 /^@endif target-$module-$bootstrap_suffix\$/d"
1760 /^@if /,/^@endif /d"
1762 # Create the serialization dependencies. This uses a temporary file.
1764 AC_ARG_ENABLE([serial-configure],
1765 [ --enable-serial-[{host,target,build}-]configure
1766 Force sequential configuration of
1767 sub-packages for the host, target or build
1768 machine, or all sub-packages])
1770 case ${enable_serial_configure} in
1772 enable_serial_build_configure=yes
1773 enable_serial_host_configure=yes
1774 enable_serial_target_configure=yes
1778 # These force 'configure's to be done one at a time, to avoid problems
1779 # with contention over a shared config.cache.
1781 echo '# serdep.tmp' > serdep.tmp
1783 test "x${enable_serial_build_configure}" = xyes &&
1784 for item in ${build_configdirs} ; do
1787 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
1792 test "x${enable_serial_host_configure}" = xyes &&
1793 for item in ${configdirs} ; do
1796 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
1801 test "x${enable_serial_target_configure}" = xyes &&
1802 for item in ${target_configdirs} ; do
1805 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
1809 serialization_dependencies=serdep.tmp
1810 AC_SUBST_FILE(serialization_dependencies)
1812 # Base args. Strip norecursion, cache-file, srcdir, host, build,
1813 # target and nonopt. These are the ones we might not want to pass
1814 # down to subconfigures. Also strip program-prefix, program-suffix,
1815 # and program-transform-name, so that we can pass down a consistent
1816 # program-transform-name. If autoconf has put single quotes around
1817 # any of these arguments (because they contain shell metacharacters)
1818 # then this will fail; in practice this only happens for
1819 # --program-transform-name, so be sure to override --program-transform-name
1820 # at the end of the argument list.
1821 # These will be expanded by make, so quote '$'.
1822 cat <<\EOF_SED > conftestsed
1824 s/ --c[[a-z-]]*[[= ]][[^ ]]*//g
1825 s/ --sr[[a-z-]]*[[= ]][[^ ]]*//g
1826 s/ --ho[[a-z-]]*[[= ]][[^ ]]*//g
1827 s/ --bu[[a-z-]]*[[= ]][[^ ]]*//g
1828 s/ --t[[a-z-]]*[[= ]][[^ ]]*//g
1829 s/ --program-[[pst]][[a-z-]]*[[= ]][[^ ]]*//g
1830 s/ -cache-file[[= ]][[^ ]]*//g
1831 s/ -srcdir[[= ]][[^ ]]*//g
1832 s/ -host[[= ]][[^ ]]*//g
1833 s/ -build[[= ]][[^ ]]*//g
1834 s/ -target[[= ]][[^ ]]*//g
1835 s/ -program-prefix[[= ]][[^ ]]*//g
1836 s/ -program-suffix[[= ]][[^ ]]*//g
1837 s/ -program-transform-name[[= ]][[^ ]]*//g
1838 s/ [[^' -][^ ]*] / /
1842 sed -f conftestsed <<EOF_SED > conftestsed.out
1843 ${ac_configure_args}
1845 baseargs=`cat conftestsed.out`
1846 rm -f conftestsed conftestsed.out
1848 # Add in --program-transform-name, after --program-prefix and
1849 # --program-suffix have been applied to it. Autoconf has already
1850 # doubled dollar signs and backslashes in program_transform_name; we want
1851 # the backslashes un-doubled, and then the entire thing wrapped in single
1852 # quotes, because this will be expanded first by make and then by the shell.
1853 # Also, because we want to override the logic in subdir configure scripts to
1854 # choose program_transform_name, replace any s,x,x, with s,y,y,.
1855 sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
1856 ${program_transform_name}
1858 gcc_transform_name=`cat conftestsed.out`
1859 rm -f conftestsed.out
1860 baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
1862 # For the build-side libraries, we just need to pretend we're native,
1863 # and not use the same cache file. Multilibs are neither needed nor
1865 build_configargs="--cache-file=../config.cache --build=${build_alias} --host=${build_alias} ${baseargs}"
1867 # For host modules, accept cache file option, or specification as blank.
1868 case "${cache_file}" in
1870 cache_file_option="" ;;
1871 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
1872 cache_file_option="--cache-file=${cache_file}" ;;
1874 cache_file_option="--cache-file=../${cache_file}" ;;
1877 # Host dirs don't like to share a cache file either, horribly enough.
1878 # This seems to be due to autoconf 2.5x stupidity.
1879 host_configargs="--cache-file=./config.cache --build=${build_alias} --host=${host_alias} --target=${target_alias} ${extra_host_args} ${baseargs}"
1881 target_configargs=${baseargs}
1883 # Passing a --with-cross-host argument lets the target libraries know
1884 # whether they are being built with a cross-compiler or being built
1885 # native. However, it would be better to use other mechanisms to make the
1886 # sorts of decisions they want to make on this basis. Please consider
1887 # this option to be deprecated. FIXME.
1888 if test x${is_cross_compiler} = xyes ; then
1889 target_configargs="--with-cross-host=${host_alias} ${target_configargs}"
1892 # Default to --enable-multilib.
1893 if test x${enable_multilib} = x ; then
1894 target_configargs="--enable-multilib ${target_configargs}"
1897 # Pass --with-newlib if appropriate. Note that target_configdirs has
1898 # changed from the earlier setting of with_newlib.
1899 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
1900 target_configargs="--with-newlib ${target_configargs}"
1903 # Different target subdirs use different values of certain variables
1904 # (notably CXX). Worse, multilibs use *lots* of different values.
1905 # Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
1906 # it doesn't automatically accept command-line overrides of them.
1907 # This means it's not safe for target subdirs to share a cache file,
1908 # which is disgusting, but there you have it. Hopefully this can be
1909 # fixed in future. It's still worthwhile to use a cache file for each
1910 # directory. I think.
1912 # Pass the appropriate --host, --build, and --cache-file arguments.
1913 target_configargs="--cache-file=./config.cache --host=${target_alias} --build=${build_alias} ${target_configargs}"
1915 # provide a proper gxx_include_dir.
1916 # Note, if you change the default, make sure to fix both here and in
1917 # the gcc and libstdc++-v3 subdirectories.
1918 # Check whether --with-gxx-include-dir or --without-gxx-include-dir was given.
1919 case "${with_gxx_include_dir}" in
1921 AC_MSG_ERROR([--with-gxx-include-dir=[[dir]] requires a directory])
1924 case "${enable_version_specific_runtime_libs}" in
1925 yes) gxx_include_dir='${libsubdir}/include/c++' ;;
1927 . ${srcdir}/config.if
1928 gxx_include_dir='${prefix}/include/'${libstdcxx_incdir} ;;
1930 *) gxx_include_dir=${with_gxx_include_dir} ;;
1934 case " $target_configdirs " in
1936 case " $target_configargs " in
1937 *" --with-newlib "*)
1940 FLAGS_FOR_TARGET=$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' ;;
1943 # If we're not building GCC, don't discard standard headers.
1944 if test -d ${srcdir}/gcc; then
1945 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
1947 if test "${build}" != "${host}"; then
1948 # On Canadian crosses, CC_FOR_TARGET will have already been set
1949 # by `configure', so we won't have an opportunity to add -Bgcc/
1950 # to it. This is right: we don't want to search that directory
1951 # for binaries, but we want the header files in there, so add
1953 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/gcc/include'
1955 # Someone might think of using the pre-installed headers on
1956 # Canadian crosses, in case the installed compiler is not fully
1957 # compatible with the compiler being built. In this case, it
1958 # would be better to flag an error than risking having
1959 # incompatible object files being constructed. We can't
1960 # guarantee that an error will be flagged, but let's hope the
1961 # compiler will do it, when presented with incompatible header
1966 case "${target}-${is_cross_compiler}" in
1967 i[[3456789]]86-*-linux*-no)
1968 # Here host == target, so we don't need to build gcc,
1969 # so we don't want to discard standard headers.
1970 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
1973 # If we're building newlib, use its generic headers last, but search
1974 # for any libc-related directories first (so make it the last -B
1976 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
1984 # Allow the user to override the flags for
1985 # our build compiler if desired.
1986 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
1988 # On Canadian crosses, we'll be searching the right directories for
1989 # the previously-installed cross compiler, so don't bother to add
1990 # flags for directories within the install tree of the compiler
1991 # being built; programs in there won't even run.
1992 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
1993 # Search for pre-installed headers if nothing else fits.
1994 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
1997 if test "x${use_gnu_ld}" = x &&
1998 echo " ${configdirs} " | grep " ld " > /dev/null ; then
1999 # Arrange for us to find uninstalled linker scripts.
2000 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/ld'
2003 if test "x${CC_FOR_TARGET+set}" = xset; then
2005 elif test -d ${srcdir}/gcc; then
2006 CC_FOR_TARGET='$$r/gcc/xgcc -B$$r/gcc/'
2007 elif test "$host" = "$target"; then
2008 CC_FOR_TARGET='$(CC)'
2010 CC_FOR_TARGET=`echo gcc | sed "${program_transform_name}"`
2012 CC_FOR_TARGET=$CC_FOR_TARGET' $(FLAGS_FOR_TARGET)'
2014 if test "x${GCJ_FOR_TARGET+set}" = xset; then
2016 elif test -d ${srcdir}/gcc; then
2017 GCJ_FOR_TARGET='$$r/gcc/gcj -B$$r/gcc/'
2018 elif test "$host" = "$target"; then
2019 GCJ_FOR_TARGET='gcj'
2021 GCJ_FOR_TARGET=`echo gcj | sed "${program_transform_name}"`
2023 GCJ_FOR_TARGET=$GCJ_FOR_TARGET' $(FLAGS_FOR_TARGET)'
2025 if test "x${GFORTRAN_FOR_TARGET+set}" = xset; then
2027 elif test -d ${srcdir}/gcc; then
2028 GFORTRAN_FOR_TARGET='$$r/gcc/gfortran -B$$r/gcc/'
2029 elif test "$host" = "$target"; then
2030 GFORTRAN_FOR_TARGET='gfortran'
2032 GFORTRAN_FOR_TARGET=`echo gfortran | sed "${program_transform_name}"`
2034 case $GFORTRAN_FOR_TARGET in
2035 *' $(FLAGS_FOR_TARGET)') ;;
2036 *) GFORTRAN_FOR_TARGET=$GFORTRAN_FOR_TARGET' $(FLAGS_FOR_TARGET)' ;;
2039 # Don't use libstdc++-v3's flags to configure/build itself.
2040 libstdcxx_flags='`test ! -f $$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$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs'
2041 raw_libstdcxx_flags='-L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs'
2043 if test "x${CXX_FOR_TARGET+set}" = xset; then
2044 if test "x${RAW_CXX_FOR_TARGET+set}" != xset; then
2045 RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
2047 elif test -d ${srcdir}/gcc; then
2048 # We add -shared-libgcc to CXX_FOR_TARGET whenever we use xgcc instead
2049 # of g++ for linking C++ or Java, because g++ has -shared-libgcc by
2050 # default whereas gcc does not.
2051 # RAW_CXX_FOR_TARGET is for linking C++ or java; CXX_FOR_TARGET is for
2053 CXX_FOR_TARGET='$$r/gcc/g++ -B$$r/gcc/ -nostdinc++ '$libstdcxx_flags
2054 RAW_CXX_FOR_TARGET='$$r/gcc/xgcc -shared-libgcc -B$$r/gcc/ -nostdinc++ '$raw_libstdcxx_flags
2055 elif test "$host" = "$target"; then
2056 CXX_FOR_TARGET='$(CXX)'
2057 RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
2059 CXX_FOR_TARGET=`echo c++ | sed "${program_transform_name}"`
2060 RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
2062 CXX_FOR_TARGET=$CXX_FOR_TARGET' $(FLAGS_FOR_TARGET)'
2063 RAW_CXX_FOR_TARGET=$RAW_CXX_FOR_TARGET' $(FLAGS_FOR_TARGET)'
2065 qCXX_FOR_TARGET=`echo "$CXX_FOR_TARGET" | sed 's,[[&%]],\\\&,g'`
2066 qRAW_CXX_FOR_TARGET=`echo "$RAW_CXX_FOR_TARGET" | sed 's,[[&%]],\\\&,g'`
2068 # We want to defer the evaluation of `cmd`s and shell variables in
2069 # CXX_FOR_TARGET when recursing in the top-level Makefile, such as for
2070 # bootstrap. We'll enclose CXX_FOR_TARGET_FOR_RECURSIVE_MAKE in single
2071 # quotes, but we still have to duplicate `$'s so that shell variables
2072 # can be expanded by the nested make as shell variables, not as make
2074 qqCXX_FOR_TARGET=`echo "$qCXX_FOR_TARGET" | sed -e 's,[[$]][[$]],$$$$,g'`
2075 qqRAW_CXX_FOR_TARGET=`echo "$qRAW_CXX_FOR_TARGET" | sed -e 's,[[$]][[$]],$$$$,g'`
2077 # Wrap CC_FOR_TARGET and friends, for certain types of builds.
2078 CC_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${CC_FOR_TARGET}"
2079 GCJ_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${GCJ_FOR_TARGET}"
2080 GFORTRAN_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${GFORTRAN_FOR_TARGET}"
2081 CXX_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${qCXX_FOR_TARGET}"
2082 RAW_CXX_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${qRAW_CXX_FOR_TARGET}"
2083 CXX_FOR_TARGET_FOR_RECURSIVE_MAKE="\$(STAGE_CC_WRAPPER) ${qqCXX_FOR_TARGET}"
2084 RAW_CXX_FOR_TARGET_FOR_RECURSIVE_MAKE="\$(STAGE_CC_WRAPPER) ${qqRAW_CXX_FOR_TARGET}"
2086 # Makefile fragments.
2087 for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
2089 eval fragval=\$$frag
2090 if test $fragval != /dev/null; then
2091 eval $frag=${srcdir}/$fragval
2094 AC_SUBST_FILE(host_makefile_frag)
2095 AC_SUBST_FILE(target_makefile_frag)
2096 AC_SUBST_FILE(alphaieee_frag)
2097 AC_SUBST_FILE(ospace_frag)
2099 # Miscellanea: directories, flags, etc.
2100 AC_SUBST(SET_LIB_PATH)
2101 AC_SUBST(RPATH_ENVVAR)
2102 AC_SUBST(BUILD_PREFIX)
2103 AC_SUBST(BUILD_PREFIX_1)
2104 AC_SUBST(gcc_version_trigger)
2105 AC_SUBST(gcc_version)
2107 AC_SUBST(build_tooldir)
2109 AC_SUBST(gxx_include_dir)
2110 AC_SUBST(libstdcxx_incdir)
2112 # Build module lists & subconfigure args.
2113 AC_SUBST(build_configargs)
2114 AC_SUBST(build_configdirs)
2116 # Host module lists & subconfigure args.
2117 AC_SUBST(host_configargs)
2118 AC_SUBST(configdirs)
2120 # Target module lists & subconfigure args.
2121 AC_SUBST(target_configargs)
2122 AC_SUBST(target_configdirs)
2125 AC_SUBST(CC_FOR_BUILD)
2126 AC_SUBST(config_shell)
2129 NCN_STRICT_CHECK_TOOL(AR, ar)
2130 NCN_STRICT_CHECK_TOOL(AS, as)
2131 NCN_STRICT_CHECK_TOOL(DLLTOOL, dlltool)
2132 NCN_STRICT_CHECK_TOOL(LD, ld)
2133 NCN_STRICT_CHECK_TOOL(NM, nm)
2134 NCN_STRICT_CHECK_TOOL(RANLIB, ranlib, :)
2135 NCN_STRICT_CHECK_TOOL(WINDRES, windres)
2136 NCN_STRICT_CHECK_TOOL(OBJCOPY, objcopy)
2137 NCN_STRICT_CHECK_TOOL(OBJDUMP, objdump)
2141 AC_SUBST(CFLAGS_FOR_BUILD)
2145 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_AR_FOR_TARGET, ar)
2146 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_AS_FOR_TARGET, as)
2147 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_DLLTOOL_FOR_TARGET, dlltool)
2148 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_LD_FOR_TARGET, ld)
2149 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_NM_FOR_TARGET, nm)
2150 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_RANLIB_FOR_TARGET, ranlib, :)
2151 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_WINDRES_FOR_TARGET, windres)
2153 AC_SUBST(GCC_FOR_TARGET)
2154 AC_SUBST(FLAGS_FOR_TARGET)
2155 AC_SUBST(CC_FOR_TARGET)
2156 AC_SUBST(GCJ_FOR_TARGET)
2157 AC_SUBST(GFORTRAN_FOR_TARGET)
2158 AC_SUBST(CXX_FOR_TARGET)
2159 AC_SUBST(RAW_CXX_FOR_TARGET)
2160 AC_SUBST(CXX_FOR_TARGET_FOR_RECURSIVE_MAKE)
2161 AC_SUBST(RAW_CXX_FOR_TARGET_FOR_RECURSIVE_MAKE)
2163 # Fix up target tools.
2164 if test "x${build}" = "x${host}" ; then
2165 # In this case, the newly built tools can and should be used,
2166 # so we override the results of the autoconf tests.
2167 # This should really only happen when the tools are actually being built,
2168 # but that's a further refinement. The new build scheme, where
2169 # tools are built into a structure paralleling where they're installed,
2170 # should also eliminate all of this cleanly.
2171 AR_FOR_TARGET="\$(USUAL_AR_FOR_TARGET)"
2172 AS_FOR_TARGET="\$(USUAL_AS_FOR_TARGET)"
2173 DLLTOOL_FOR_TARGET="\$(USUAL_DLLTOOL_FOR_TARGET)"
2174 LD_FOR_TARGET="\$(USUAL_LD_FOR_TARGET)"
2175 NM_FOR_TARGET="\$(USUAL_NM_FOR_TARGET)"
2176 RANLIB_FOR_TARGET="\$(USUAL_RANLIB_FOR_TARGET)"
2177 WINDRES_FOR_TARGET="\$(USUAL_WINDRES_FOR_TARGET)"
2179 # Just use the ones we found.
2180 AR_FOR_TARGET="\$(CONFIGURED_AR_FOR_TARGET)"
2181 AS_FOR_TARGET="\$(CONFIGURED_AS_FOR_TARGET)"
2182 DLLTOOL_FOR_TARGET="\$(CONFIGURED_DLLTOOL_FOR_TARGET)"
2183 LD_FOR_TARGET="\$(CONFIGURED_LD_FOR_TARGET)"
2184 NM_FOR_TARGET="\$(CONFIGURED_NM_FOR_TARGET)"
2185 RANLIB_FOR_TARGET="\$(CONFIGURED_RANLIB_FOR_TARGET)"
2186 WINDRES_FOR_TARGET="\$(CONFIGURED_WINDRES_FOR_TARGET)"
2188 AC_SUBST(AR_FOR_TARGET)
2189 AC_SUBST(AS_FOR_TARGET)
2190 AC_SUBST(DLLTOOL_FOR_TARGET)
2191 AC_SUBST(LD_FOR_TARGET)
2192 AC_SUBST(NM_FOR_TARGET)
2193 AC_SUBST(RANLIB_FOR_TARGET)
2194 AC_SUBST(WINDRES_FOR_TARGET)
2196 # Certain tools may need extra flags.
2197 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
2198 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
2199 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
2201 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
2202 AC_ARG_ENABLE(maintainer-mode,
2203 [ --enable-maintainer-mode enable make rules and dependencies not useful
2204 (and sometimes confusing) to the casual installer],
2205 USE_MAINTAINER_MODE=$enableval,
2206 USE_MAINTAINER_MODE=no)
2207 AC_MSG_RESULT($USE_MAINTAINER_MODE)
2208 AC_SUBST(MAINTAINER_MODE_TRUE)
2209 AC_SUBST(MAINTAINER_MODE_FALSE)
2210 if test "$USE_MAINTAINER_MODE" = yes; then
2211 MAINTAINER_MODE_TRUE=
2212 MAINTAINER_MODE_FALSE='#'
2214 MAINTAINER_MODE_TRUE='#'
2215 MAINTAINER_MODE_FALSE=
2217 MAINT=$MAINTAINER_MODE_TRUE
2220 # ---------------------
2221 # GCC bootstrap support
2222 # ---------------------
2224 # Stage specific cflags for build.
2229 yes) stage1_cflags="-g -Wa,-J" ;;
2230 *) stage1_cflags="-g -J" ;;
2233 # The spiffy cpp-precomp chokes on some legitimate constructs in GCC
2234 # sources; use -no-cpp-precomp to get to GNU cpp.
2235 # Apple's GCC has bugs in designated initializer handling, so disable
2237 stage1_cflags="-g -no-cpp-precomp -DHAVE_DESIGNATED_INITIALIZERS=0"
2240 AC_SUBST(stage1_cflags)
2242 # It makes debugging easier if we create as symlinks the stage directories
2243 # gcc for stageN-gcc and stage-prev for stage(N-1). In case this is not
2244 # possible, however, we can resort to mv.
2245 AC_CACHE_CHECK([if symbolic links between directories work],
2246 [gcc_cv_prog_ln_s_dir],
2247 [if test "${LN_S}" = "ln -s" \
2248 && mkdir confdir.s1 \
2249 && ln -s confdir.s1 confdir.s2 \
2250 && echo timestamp1 > confdir.s1/conftest.1 \
2251 && cmp confdir.s1/conftest.1 confdir.s2/conftest.1 \
2252 && echo timestamp2 > confdir.s2/conftest.2 \
2253 && cmp confdir.s1/conftest.2 confdir.s1/conftest.2 \
2254 && rm -f confdir.s2; then
2255 gcc_cv_prog_ln_s_dir=yes
2257 gcc_cv_prog_ln_s_dir=yes
2259 rm -rf confdir.s1 confdir.s2])
2261 case ${gcc_cv_prog_ln_s_dir} in
2263 CREATE_LINK_TO_DIR='ln -s $$1 $$2'
2264 UNDO_LINK_TO_DIR='rm -f $$1' ;;
2266 CREATE_LINK_TO_DIR='mv $$1 $$2'
2267 UNDO_LINK_TO_DIR='mv $$1 $$2' ;;
2269 AC_SUBST(CREATE_LINK_TO_DIR)
2270 AC_SUBST(UNDO_LINK_TO_DIR)
2272 # Enable -Werror in bootstrap stage2 and later.
2273 # Change the default to "no" on release branches.
2274 AC_ARG_ENABLE(werror,
2275 [ --enable-werror enable -Werror in bootstrap stage2 and later], [],
2276 [enable_werror=yes])
2277 case ${enable_werror} in
2278 yes) stage2_werror_flag="--enable-werror-always" ;;
2279 *) stage2_werror_flag="" ;;
2281 AC_SUBST(stage2_werror_flag)