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-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"; then
594 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
595 elif test -d "$srcdir/newlib"; then
596 echo "Warning: winsup is missing so newlib can't be built."
599 # Can't build gdb for Cygwin if not native.
601 *-*-cygwin*) ;; # keep gdb tcl tk expect etc.
602 *) noconfigdirs="$noconfigdirs gdb tcl tk expect itcl libgui gnuserv"
607 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
609 i[[3456789]]86-*-sco3.2v5*)
610 # The linker does not yet know about weak symbols in COFF,
611 # and is not configured to handle mixed ELF and COFF.
612 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
614 i[[3456789]]86-*-sco*)
615 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
617 i[[3456789]]86-*-solaris2*)
618 noconfigdirs="$noconfigdirs target-libgloss"
620 i[[3456789]]86-*-sysv4*)
621 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
623 i[[3456789]]86-*-beos*)
624 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
627 noconfigdirs="$noconfigdirs ${libgcj}"
629 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
630 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
633 noconfigdirs="$noconfigdirs ${libgcj}"
636 noconfigdirs="$noconfigdirs ${libgcj}"
639 # The EPOC C++ environment does not support exceptions or rtti,
640 # and so building libstdc++-v3 tends not to always work.
641 noconfigdirs="$noconfigdirs target-libstdc++-v3"
644 noconfigdirs="$noconfigdirs ${libgcj} gdb libgloss"
647 noconfigdirs="$noconfigdirs ${libgcj}"
650 noconfigdirs="$noconfigdirs ${libgcj}"
653 # copied from rs6000-*-* entry
654 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
656 powerpc*-*-winnt* | powerpc*-*-pe* | ppc*-*-pe)
657 target_configdirs="$target_configdirs target-winsup"
658 noconfigdirs="$noconfigdirs gdb tcl tk make expect target-libgloss itcl gnuserv ${libgcj}"
659 # always build newlib.
660 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
662 # This is temporary until we can link against shared libraries
663 powerpcle-*-solaris*)
664 noconfigdirs="$noconfigdirs gdb sim make tcl tk expect itcl gnuserv ${libgcj}"
667 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
670 noconfigdirs="$noconfigdirs ${libgcj}"
673 noconfigdirs="$noconfigdirs target-newlib gprof ${libgcj}"
676 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
679 noconfigdirs="$noconfigdirs gprof ${libgcj}"
682 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss ${libgcj}"
685 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
688 # Linking libjava exceeds command-line length limits on at least
689 # IRIX 6.2, but not on IRIX 6.5.
690 # Also, boehm-gc won't build on IRIX 6.5, according to Jeffrey Oldham
691 # <oldham@codesourcery.com>
692 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
695 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
698 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
701 noconfigdirs="$noconfigdirs gprof ${libgcj}" # same as generic mips
704 noconfigdirs="$noconfigdirs target-newlib ${libgcj}"
707 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
710 noconfigdirs="$noconfigdirs gprof ${libgcj}"
713 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes target-libgloss ${libgcj}"
717 i[[3456789]]86-*-vsta) ;; # don't add gprof back in
718 i[[3456789]]86-*-go32*) ;; # don't add gprof back in
719 i[[3456789]]86-*-msdosdjgpp*) ;; # don't add gprof back in
720 *) skipdirs=`echo " ${skipdirs} " | sed -e 's/ gprof / /'` ;;
722 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
725 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
728 noconfigdirs="$noconfigdirs ${libgcj}"
731 noconfigdirs="$noconfigdirs ${libgcj}"
734 noconfigdirs="$noconfigdirs ${libgcj}"
737 noconfigdirs="$noconfigdirs ${libgcj}"
738 if test x${is_cross_compiler} != xno ; then
739 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
744 sparc-*-solaris* | sparc64-*-solaris* | sparcv9-*-solaris*)
747 noconfigdirs="$noconfigdirs bfd binutils gas gcc gdb ld target-libstdc++-v3 opcodes target-libgloss ${libgcj}"
750 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
753 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
756 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
759 noconfigdirs="$noconfigdirs bfd binutils gdb ld target-newlib opcodes target-libgloss ${libgcj}"
762 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
765 noconfigdirs="$noconfigdirs ${libgcj}"
768 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
770 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu)
771 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
774 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
777 noconfigdirs="$noconfigdirs ${libgcj}"
781 # If we aren't building newlib, then don't build libgloss, since libgloss
782 # depends upon some newlib header files.
783 case "${noconfigdirs}" in
784 *target-libgloss*) ;;
785 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
788 # Work in distributions that contain no compiler tools, like Autoconf.
790 host_makefile_frag=/dev/null
791 if test -d ${srcdir}/config ; then
794 # Avoid "too much defining" errors from HPUX compiler.
795 tentative_cc="cc -Wp,-H256000"
796 # If "ar" in $PATH is GNU ar, the symbol table may need rebuilding.
797 # If it's HP/UX ar, this should be harmless.
801 tentative_cc="cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DUSG"
804 #None of the Apollo compilers can compile gas or binutils. The preprocessor
805 # chokes on bfd, the compiler won't let you assign integers to enums, and
806 # other problems. Defining CC to gcc is a questionable way to say "don't use
807 # the apollo compiler" (the preferred version of GCC could be called cc,
808 # or whatever), but I'm not sure leaving CC as cc is any better...
809 #CC=cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DNO_STDARG
810 # Used to have BISON=yacc.
814 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
817 # Under CX/UX, we want to tell the compiler to use ANSI mode.
818 tentative_cc="cc -Xa"
819 host_makefile_frag="config/mh-cxux"
824 tentative_cc="cc -Wf,-XNg1000"
825 host_makefile_frag="config/mh-decstation"
828 # The C compiler on NEC MIPS SVR4 needs bigger tables.
829 tentative_cc="cc -ZXNd=5000 -ZXNg=1000"
830 host_makefile_frag="config/mh-necv4"
833 # Tell compiler to use K&R C. We can't compile under the SGI Ansi
834 # environment. Also bump switch table size so that cp-parse will
835 # compile. Bump string length limit so linker builds.
836 tentative_cc="cc -cckr -Wf,-XNg1500 -Wf,-XNk1000 -Wf,-XNh2000 -Wf,-XNl8192"
839 host_makefile_frag="config/mh-sysv4"
842 # This is for a MIPS running RISC/os 4.52C.
844 # This is needed for GDB, but needs to be in the top-level make because
845 # if a library is compiled with the bsd headers and gets linked with the
846 # sysv system libraries all hell can break loose (e.g. a jmp_buf might be
848 # ptrace(2) apparently has problems in the BSD environment. No workaround is
849 # known except to select the sysv environment. Could we use /proc instead?
850 # These "sysv environments" and "bsd environments" often end up being a pain.
852 # This is not part of CFLAGS because perhaps not all C compilers have this
854 tentative_cc="cc -systype sysv"
859 i[[3456789]]86-*-sysv5*)
860 host_makefile_frag="config/mh-sysv5"
862 i[[3456789]]86-*-dgux*)
863 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
864 host_makefile_frag="config/mh-dgux386"
866 i[[3456789]]86-ncr-sysv4.3*)
867 # The MetaWare compiler will generate a copyright message unless you
868 # turn it off by adding the -Hnocopyr flag.
869 tentative_cc="cc -Hnocopyr"
871 i[[3456789]]86-ncr-sysv4*)
872 # for an NCR 3000 (i486/SVR4) system.
873 # The NCR 3000 ships with a MetaWare compiler installed as /bin/cc.
874 # This compiler not only emits obnoxious copyright messages every time
875 # you run it, but it chokes and dies on a whole bunch of GNU source
876 # files. Default to using the AT&T compiler installed in /usr/ccs/ATT/cc.
877 tentative_cc="/usr/ccs/ATT/cc"
878 host_makefile_frag="config/mh-ncr3000"
880 i[[3456789]]86-*-sco3.2v5*)
882 i[[3456789]]86-*-sco*)
883 # The native C compiler botches some simple uses of const. Unfortunately,
884 # it doesn't defined anything like "__sco__" for us to test for in ansidecl.h.
885 tentative_cc="cc -Dconst="
886 host_makefile_frag="config/mh-sco"
888 i[[3456789]]86-*-udk*)
889 host_makefile_frag="config/mh-sysv5"
891 i[[3456789]]86-*-solaris2*)
892 host_makefile_frag="config/mh-sysv4"
894 i[[3456789]]86-*-msdosdjgpp*)
895 host_makefile_frag="config/mh-djgpp"
898 host_makefile_frag="config/mh-cygwin"
901 host_makefile_frag="config/mh-mingw32"
904 host_makefile_frag="config/mh-interix"
907 # The old BSD pcc isn't up to compiling parts of gdb so use gcc
911 host_makefile_frag="config/mh-solaris"
914 # Sun's C compiler needs the -J flag to be able to compile cp-parse.c
915 # without overflowing the jump tables (-J says to use a 32 bit table)
919 tentative_cc="cc -Wp,-H256000"
922 tentative_cc="cc -Wp,-H256000"
925 # /bin/cc is less than useful for our purposes. Always use GCC
926 tentative_cc="/usr/cygnus/progressive/bin/gcc"
927 host_makefile_frag="config/mh-lynxrs6k"
930 host_makefile_frag="config/mh-ppc-darwin"
933 # /bin/cc is less than useful for our purposes. Always use GCC
934 tentative_cc="/bin/gcc"
937 host_makefile_frag="config/mh-sysv4"
939 # This is placed last to prevent interfering with the cases above.
941 # Build the stage2 and stage3 compilers with -fomit-frame-pointer.
942 host_makefile_frag="config/mh-x86omitfp"
947 # If we aren't going to be using gcc, see if we can extract a definition
948 # of CC from the fragment.
949 # Actually, use the 'pre-extracted' version above.
950 if test -z "${CC}" && test "${build}" = "${host}" ; then
951 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
954 test -z "$dir" && dir=.
955 if test -f $dir/gcc; then
961 if test -z "${found}" && test -n "${tentative_cc}" ; then
966 if test "${build}" != "${host}" ; then
967 # If we are doing a Canadian Cross, in which the host and build systems
968 # are not the same, we set reasonable default values for the tools.
970 CC=${CC-${host_alias}-gcc}
971 CFLAGS=${CFLAGS-"-g -O2"}
972 CXX=${CXX-${host_alias}-c++}
973 CXXFLAGS=${CXXFLAGS-"-g -O2"}
974 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
975 CC_FOR_TARGET=${CC_FOR_TARGET-${target_alias}-gcc}
976 CXX_FOR_TARGET=${CXX_FOR_TARGET-${target_alias}-c++}
977 GCJ_FOR_TARGET=${GCJ_FOR_TARGET-${target_alias}-gcj}
978 GCC_FOR_TARGET=${GCC_FOR_TARGET-${CC_FOR_TARGET-${target_alias}-gcc}}
979 BUILD_PREFIX=${build_alias}-
980 BUILD_PREFIX_1=${build_alias}-
983 # Set reasonable default values for some tools even if not Canadian.
984 # Of course, these are different reasonable default values, originally
985 # specified directly in the Makefile.
986 # We don't export, so that autoconf can do its job.
987 # Note that all these settings are above the fragment inclusion point
988 # in Makefile.in, so can still be overridden by fragments.
989 # This is all going to change when we autoconfiscate...
991 CC_FOR_BUILD="\$(CC)"
992 GCC_FOR_TARGET="\$(USUAL_GCC_FOR_TARGET)"
994 BUILD_PREFIX_1=loser-
998 # We must set the default linker to the linker used by gcc for the correct
999 # operation of libtool. If LD is not defined and we are using gcc, try to
1000 # set the LD default to the ld used by gcc.
1001 if test -z "$LD"; then
1002 if test "$GCC" = yes; then
1005 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1007 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1009 case $gcc_prog_ld in
1010 # Accept absolute paths.
1011 [[\\/]* | [A-Za-z]:[\\/]*)]
1012 LD="$gcc_prog_ld" ;;
1018 CFLAGS=${CFLAGS-"-g"}
1019 CXXFLAGS=${CXXFLAGS-"-g -O2"}
1023 ACX_PROG_CMP_IGNORE_INITIAL
1025 # Check for GMP and MPFR
1029 # Specify a location for mpfr
1030 # check for this first so it ends up on the link line before gmp.
1031 AC_ARG_WITH(mpfr-dir, [ --with-mpfr-dir=PATH Specify source directory for MPFR library])
1033 if test "x$with_mpfr_dir" != x; then
1034 gmpinc="-I$with_mpfr_dir/mpfr"
1035 gmplibs="$with_mpfr_dir/libmpfr.a"
1040 AC_ARG_WITH(mpfr, [ --with-mpfr=PATH Specify directory for installed MPFR library])
1042 if test "x$with_mpfr" != x; then
1043 gmplibs="-L$with_mpfr/lib $gmplibs"
1044 gmpinc="-I$with_mpfr/include"
1047 # Specify a location for gmp
1048 AC_ARG_WITH(gmp-dir, [ --with-gmp-dir=PATH Specify source directory for GMP library])
1050 if test "x$with_gmp_dir" != x; then
1051 gmpinc="$gmpinc -I$with_gmp_dir"
1052 if test -f "$with_gmp_dir/.libs/libgmp.a"; then
1053 gmplibs="$gmplibs $with_gmp_dir/.libs/libgmp.a"
1054 elif test -f "$with_gmp_dir/_libs/libgmp.a"; then
1055 gmplibs="$gmplibs $with_gmp_dir/_libs/libgmp.a"
1057 # One of the later tests will catch the error if neither library is present.
1059 gmplibs="$gmplibs -lgmp"
1062 AC_ARG_WITH(gmp, [ --with-gmp=PATH Specify directory for installed GMP library])
1064 if test "x$with_gmp" != x; then
1065 gmplibs="-L$with_gmp/lib $gmplibs"
1066 gmpinc="-I$with_gmp/include $gmpinc"
1069 saved_CFLAGS="$CFLAGS"
1070 CFLAGS="$CFLAGS $gmpinc"
1071 # Check GMP actually works
1072 AC_MSG_CHECKING([for correct version of gmp.h])
1073 AC_TRY_COMPILE([#include "gmp.h"],[
1074 #if __GNU_MP_VERSION < 3
1077 ], [AC_MSG_RESULT([yes])],
1078 [AC_MSG_RESULT([no]); have_gmp=no])
1080 if test x"$have_gmp" = xyes; then
1081 AC_MSG_CHECKING([for MPFR])
1084 LIBS="$LIBS $gmplibs"
1085 AC_TRY_LINK([#include <gmp.h>
1086 #include <mpfr.h>], [mpfr_t n; mpfr_init(n);],
1087 [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1089 CFLAGS="$saved_CFLAGS"
1092 # Flags needed for both GMP and/or MPFR
1096 # By default, C is the only stage 1 language.
1098 AC_SUBST(stage1_languages)
1100 # Figure out what language subdirectories are present.
1101 # Look if the user specified --enable-languages="..."; if not, use
1102 # the environment variable $LANGUAGES if defined. $LANGUAGES might
1104 # NB: embedded tabs in this IF block -- do not untabify
1105 if test -d ${srcdir}/gcc; then
1106 if test x"${enable_languages+set}" != xset; then
1107 if test x"${LANGUAGES+set}" = xset; then
1108 enable_languages="${LANGUAGES}"
1109 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1111 enable_languages=all
1114 if test x"${enable_languages}" = x ||
1115 test x"${enable_languages}" = xyes;
1117 echo configure.in: --enable-languages needs at least one language argument 1>&2
1121 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1123 # First scan to see if an enabled language requires some other language.
1124 # We assume that a given config-lang.in will list all the language
1125 # front ends it requires, even if some are required indirectly.
1126 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1127 case ${lang_frag} in
1129 # The odd quoting in the next line works around
1130 # an apparent bug in bash 1.12 on linux.
1131 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1133 # From the config-lang.in, get $language, $lang_requires
1137 for other in ${lang_requires} ; do
1138 case ,${enable_languages}, in
1142 echo " \`$other' language required by \`$language'; enabling" 1>&2
1143 enable_languages="${enable_languages},${other}"
1151 new_enable_languages=c
1152 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
1153 potential_languages=c
1155 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1156 case ${lang_frag} in
1158 # The odd quoting in the next line works around
1159 # an apparent bug in bash 1.12 on linux.
1160 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1162 # From the config-lang.in, get $language, $target_libs,
1163 # $lang_dirs, $boot_language, and $build_by_default
1171 potential_languages="${potential_languages},${language}"
1172 # This is quite sensitive to the ordering of the case statement arms.
1173 case ,${enable_languages},:${language}:${have_gnat}:${build_by_default} in
1175 echo "${lang_frag} doesn't set \$language." 1>&2
1179 # Ada was requested with no preexisting GNAT. Disable unconditionally.
1182 *,${language},*:*:*:*)
1183 # Language was explicitly selected; include it.
1187 # 'all' was selected, but this is not a default language
1188 # so do not include it.
1192 # 'all' was selected and this is a default language; include it.
1200 # Disable languages that need GMP if it isn't available.
1201 case ,${enable_languages},:${have_gmp}:${need_gmp} in
1202 *,${language},*:no:yes)
1203 # Specifically requested language; tell them.
1204 AC_MSG_ERROR([GMP with MPFR support is required to build $language])
1212 case $add_this_lang in
1214 # Remove language-dependent dirs.
1215 eval noconfigdirs='"$noconfigdirs "'\"$target_libs $lang_dirs\"
1218 new_enable_languages="$new_enable_languages,$language"
1219 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
1220 case ${boot_language} in
1222 # Add to (comma-separated) list of stage 1 languages.
1223 stage1_languages="${stage1_languages},${language}"
1232 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
1233 if test "x$missing_languages" != x; then
1235 The following requested languages were not found: ${missing_languages}
1236 The available languages are: ${potential_languages}])
1239 if test "x$new_enable_languages" != "x$enable_languages"; then
1240 echo The following languages will be built: ${new_enable_languages}
1242 enable_languages="$new_enable_languages"
1243 ac_configure_args=`echo " $ac_configure_args" | sed -e 's/ --enable-languages=[[^ ]]*//' -e 's/$/ --enable-languages='"$enable_languages"/ `
1246 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs and
1247 # $target_configdirs.
1248 # If we have the source for $noconfigdirs entries, add them to $notsupp.
1251 for dir in . $skipdirs $noconfigdirs ; do
1252 dirname=`echo $dir | sed -e s/target-//g`
1253 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1254 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
1255 if test -r $srcdir/$dirname/configure ; then
1256 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1259 notsupp="$notsupp $dir"
1263 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1264 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
1265 if test -r $srcdir/$dirname/configure ; then
1266 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1269 notsupp="$notsupp $dir"
1275 # Sometimes the tools are distributed with libiberty but with no other
1276 # libraries. In that case, we don't want to build target-libiberty.
1277 if test -n "${target_configdirs}" ; then
1279 for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do
1280 if test "$i" != "libiberty" ; then
1281 if test -r $srcdir/$i/configure ; then
1287 if test -z "${others}" ; then
1292 # Quietly strip out all directories which aren't configurable in this tree.
1293 # This relies on all configurable subdirectories being autoconfiscated, which
1295 build_configdirs_all="$build_configdirs"
1297 for i in ${build_configdirs_all} ; do
1298 j=`echo $i | sed -e s/build-//g`
1299 if test -f ${srcdir}/$j/configure ; then
1300 build_configdirs="${build_configdirs} $i"
1304 configdirs_all="$configdirs"
1306 for i in ${configdirs_all} ; do
1307 if test -f ${srcdir}/$i/configure ; then
1308 configdirs="${configdirs} $i"
1312 target_configdirs_all="$target_configdirs"
1314 for i in ${target_configdirs_all} ; do
1315 j=`echo $i | sed -e s/target-//g`
1316 if test -f ${srcdir}/$j/configure ; then
1317 target_configdirs="${target_configdirs} $i"
1321 # Produce a warning message for the subdirs we can't configure.
1322 # This isn't especially interesting in the Cygnus tree, but in the individual
1323 # FSF releases, it's important to let people know when their machine isn't
1324 # supported by the one or two programs in a package.
1326 if test -n "${notsupp}" && test -z "${norecursion}" ; then
1327 # If $appdirs is non-empty, at least one of those directories must still
1328 # be configured, or we error out. (E.g., if the gas release supports a
1329 # specified target in some subdirs but not the gas subdir, we shouldn't
1330 # pretend that all is well.)
1331 if test -n "$appdirs" ; then
1332 for dir in $appdirs ; do
1333 if test -r $dir/Makefile.in ; then
1334 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1338 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
1344 if test -n "$appdirs" ; then
1345 echo "*** This configuration is not supported by this package." 1>&2
1349 # Okay, some application will build, or we don't care to check. Still
1350 # notify of subdirs not getting built.
1351 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
1352 echo " ${notsupp}" 1>&2
1353 echo " (Any other directories should still work fine.)" 1>&2
1363 # Handle --with-headers=XXX. If the value is not "yes", the contents of
1364 # the named directory are copied to $(tooldir)/sys-include.
1365 if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
1366 if test x${is_cross_compiler} = xno ; then
1367 echo 1>&2 '***' --with-headers is only supported when cross compiling
1370 if test x"${with_headers}" != xyes ; then
1371 case "${exec_prefixoption}" in
1373 *) x=${exec_prefix} ;;
1375 copy_dirs="${copy_dirs} ${with_headers} $x/${target_alias}/sys-include"
1379 # Handle --with-libs=XXX. If the value is not "yes", the contents of
1380 # the name directories are copied to $(tooldir)/lib. Multiple directories
1382 if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
1383 if test x${is_cross_compiler} = xno ; then
1384 echo 1>&2 '***' --with-libs is only supported when cross compiling
1387 if test x"${with_libs}" != xyes ; then
1388 # Copy the libraries in reverse order, so that files in the first named
1389 # library override files in subsequent libraries.
1390 case "${exec_prefixoption}" in
1392 *) x=${exec_prefix} ;;
1394 for l in ${with_libs}; do
1395 copy_dirs="$l $x/${target_alias}/lib ${copy_dirs}"
1400 # Handle ${copy_dirs}
1401 set fnord ${copy_dirs}
1403 while test $# != 0 ; do
1404 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
1407 echo Copying $1 to $2
1409 # Use the install script to create the directory and all required
1410 # parent directories.
1411 if test -d $2 ; then
1415 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
1418 # Copy the directory, assuming we have tar.
1419 # FIXME: Should we use B in the second tar? Not all systems support it.
1420 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
1422 # It is the responsibility of the user to correctly adjust all
1423 # symlinks. If somebody can figure out how to handle them correctly
1424 # here, feel free to add the code.
1431 extra_arflags_for_target=
1432 extra_nmflags_for_target=
1433 extra_ranlibflags_for_target=
1434 target_makefile_frag=/dev/null
1437 target_makefile_frag="config/mt-netware"
1439 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu)
1440 target_makefile_frag="config/mt-gnu"
1442 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
1443 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
1444 # commands to handle both 32-bit and 64-bit objects. These flags are
1445 # harmless if we're using GNU nm or ar.
1446 extra_arflags_for_target=" -X32_64"
1447 extra_nmflags_for_target=" -B -X32_64"
1450 # ranlib from Darwin requires the -c flag to look at common symbols.
1451 extra_ranlibflags_for_target=" -c"
1453 mips*-*-pe | sh*-*-pe | *arm-wince-pe)
1454 target_makefile_frag="config/mt-wince"
1458 alphaieee_frag=/dev/null
1461 # This just makes sure to use the -mieee option to build target libs.
1462 # This should probably be set individually by each library.
1463 alphaieee_frag="config/mt-alphaieee"
1467 # If --enable-target-optspace always use -Os instead of -O2 to build
1468 # the target libraries, similarly if it is not specified, use -Os
1469 # on selected platforms.
1470 ospace_frag=/dev/null
1471 case "${enable_target_optspace}:${target}" in
1473 ospace_frag="config/mt-ospace"
1476 ospace_frag="config/mt-d30v"
1478 :m32r-* | :d10v-* | :fr30-*)
1479 ospace_frag="config/mt-ospace"
1484 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
1488 # Set with_gnu_as and with_gnu_ld as appropriate.
1490 # This is done by determining whether or not the appropriate directory
1491 # is available, and by checking whether or not specific configurations
1492 # have requested that this magic not happen.
1494 # The command line options always override the explicit settings in
1495 # configure.in, and the settings in configure.in override this magic.
1497 # If the default for a toolchain is to use GNU as and ld, and you don't
1498 # want to do that, then you should use the --without-gnu-as and
1499 # --without-gnu-ld options for the configure script.
1501 if test x${use_gnu_as} = x &&
1502 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
1504 extra_host_args="$extra_host_args --with-gnu-as"
1507 if test x${use_gnu_ld} = x &&
1508 echo " ${configdirs} " | grep " ld " > /dev/null 2>&1 ; then
1510 extra_host_args="$extra_host_args --with-gnu-ld"
1513 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
1514 # can detect this case.
1516 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
1518 extra_host_args="$extra_host_args --with-newlib"
1521 # Default to using --with-stabs for certain targets.
1522 if test x${with_stabs} = x ; then
1524 mips*-*-irix[[56]]*)
1526 mips*-*-* | alpha*-*-osf*)
1528 extra_host_args="${extra_host_args} --with-stabs"
1533 # hpux11 in 64bit mode has libraries in a weird place. Arrange to find
1534 # them automatically.
1537 extra_host_args="$extra_host_args -x-libraries=/usr/lib/pa20_64 -x-includes=/usr/X11R6/include"
1541 # Some systems (e.g., one of the i386-aix systems the gas testers are
1542 # using) don't handle "\$" correctly, so don't use it here.
1543 tooldir='${exec_prefix}'/${target_alias}
1544 build_tooldir=${tooldir}
1546 # Generate default definitions for YACC, M4, LEX and other programs that run
1547 # on the build machine. These are used if the Makefile can't locate these
1548 # programs in objdir.
1549 MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
1550 AC_CHECK_PROGS([CONFIGURED_BISON], [bison], [$MISSING bison])
1551 AC_CHECK_PROGS([CONFIGURED_YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
1552 AC_CHECK_PROGS([CONFIGURED_M4], [gm4 gnum4 m4], [$MISSING m4])
1553 AC_CHECK_PROGS([CONFIGURED_FLEX], [flex], [$MISSING flex])
1554 AC_CHECK_PROGS([CONFIGURED_LEX], [flex lex], [$MISSING flex])
1555 AC_CHECK_PROGS([CONFIGURED_MAKEINFO], makeinfo, [$MISSING makeinfo])
1557 # Create a .gdbinit file which runs the one in srcdir
1558 # and tells GDB to look there for source files.
1560 if test -r ${srcdir}/.gdbinit ; then
1563 *) cat > ./.gdbinit <<EOF
1567 source ${srcdir}/.gdbinit
1573 # Make sure that the compiler is able to generate an executable. If it
1574 # can't, we are probably in trouble. We don't care whether we can run the
1575 # executable--we might be using a cross compiler--we only care whether it
1576 # can be created. At this point the main configure script has set CC.
1578 echo "int main () { return 0; }" > conftest.c
1579 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
1580 if test $? = 0 ; then
1581 if test -s conftest || test -s conftest.exe ; then
1587 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
1588 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
1595 # The Solaris /usr/ucb/cc compiler does not appear to work.
1597 sparc-sun-solaris2*)
1598 CCBASE="`echo ${CC-cc} | sed 's/ .*$//'`"
1599 if test "`type $CCBASE | sed 's/^[[^/]]*//'`" = "/usr/ucb/cc" ; then
1601 test -d /opt/SUNWspro/bin && could_use="/opt/SUNWspro/bin"
1602 if test -d /opt/cygnus/bin ; then
1603 if test "$could_use" = "" ; then
1604 could_use="/opt/cygnus/bin"
1606 could_use="$could_use or /opt/cygnus/bin"
1609 if test "$could_use" = "" ; then
1610 echo "Warning: compilation may fail because you're using"
1611 echo "/usr/ucb/cc. You should change your PATH or CC "
1612 echo "variable and rerun configure."
1614 echo "Warning: compilation may fail because you're using"
1615 echo "/usr/ucb/cc, when you should use the C compiler from"
1616 echo "$could_use. You should change your"
1617 echo "PATH or CC variable and rerun configure."
1623 # If --enable-shared was set, we must set LD_LIBRARY_PATH so that the
1624 # binutils tools will find libbfd.so.
1625 case "${enable_shared}" in
1626 no | "") SET_LIB_PATH= ;;
1627 *) SET_LIB_PATH="\$(REALLY_SET_LIB_PATH)" ;;
1631 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
1632 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
1635 # Record target_configdirs and the configure arguments for target and
1636 # build configuration in Makefile.
1637 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
1638 build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
1640 # Determine whether gdb needs tk/tcl or not.
1641 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
1642 # and in that case we want gdb to be built without tk. Ugh!
1643 # In fact I believe gdb is the *only* package directly dependent on tk,
1644 # so we should be able to put the 'maybe's in unconditionally and
1645 # leave out the maybe dependencies when enable_gdbtk is false. I'm not
1646 # 100% sure that that's safe though.
1648 gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
1649 case "$enable_gdbtk" in
1653 GDB_TK="${gdb_tk}" ;;
1655 # Only add the dependency on gdbtk when GDBtk is part of the gdb
1656 # distro. Eventually someone will fix this and move Insight, nee
1657 # gdbtk to a separate directory.
1658 if test -d ${srcdir}/gdb/gdbtk ; then
1666 # Strip out unwanted targets.
1668 # While at that, we remove Makefiles if we were started for recursive
1669 # configuration, so that the top-level Makefile reconfigures them,
1670 # like we used to do when configure itself was recursive.
1672 # Loop over modules. $extrasub must be used with care, limiting as
1673 # much as possible the usage of range addresses. That's because autoconf
1674 # splits the sed script to overcome limits in the number of commands,
1675 # and relying on carefully-timed sed passes may turn out to be very hard
1676 # to maintain later. In this particular case, you just have to be careful
1677 # not to nest @if/@endif pairs, because configure will not warn you at all.
1679 AC_ARG_ENABLE([bootstrap],
1680 [ --enable-bootstrap[=lean] Enable bootstrapping [no]],,
1681 enable_bootstrap=default)
1683 # Issue errors and warnings for invalid/strange bootstrap combinations.
1684 case "$configdirs" in
1685 *gcc*) have_compiler=yes ;;
1686 *) have_compiler=no ;;
1689 case "$have_compiler:$host:$target:$enable_bootstrap" in
1692 # Default behavior. (We'll) enable bootstrap if we have a compiler
1693 # and we are in a native configuration.
1694 yes:$build:$build:default)
1695 # This will become 'yes'
1696 enable_bootstrap=no ;;
1699 enable_bootstrap=no ;;
1701 # We have a compiler and we are in a native configuration, bootstrap is ok
1702 yes:$build:$build:yes | yes:$build:$build:lean)
1705 # Other configurations, but we have a compiler. Assume the user knows
1707 yes:*:*:yes | yes:*:*:lean)
1708 AC_MSG_WARN([trying to bootstrap a cross compiler])
1711 # No compiler: if they passed --enable-bootstrap explicitly, fail
1712 no:*:*:yes | no:*:*:lean)
1713 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
1715 # Fail if wrong command line
1717 AC_MSG_ERROR([invalid option for --enable-bootstrap])
1721 # Adjust the toplevel makefile according to whether bootstrap was selected.
1722 case "$enable_bootstrap" in
1725 default_target=bootstrap
1726 bootstrap_suffix=bootstrap ;;
1729 default_target=bootstrap
1730 bootstrap_suffix=bootstrap ;;
1733 bootstrap_suffix=no-bootstrap ;;
1735 AC_SUBST(bootstrap_lean)
1736 AC_SUBST(default_target)
1738 for module in ${build_configdirs} ; do
1739 if test -z "${no_recursion}" \
1740 && test -f ${build_subdir}/${module}/Makefile; then
1741 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
1742 rm -f ${build_subdir}/${module}/Makefile
1745 /^@if build-$module\$/d
1746 /^@endif build-$module\$/d
1747 /^@if build-$module-$bootstrap_suffix\$/d
1748 /^@endif build-$module-$bootstrap_suffix\$/d"
1750 for module in ${configdirs} ; do
1751 if test -z "${no_recursion}" \
1752 && test -f ${module}/Makefile; then
1753 echo 1>&2 "*** removing ${module}/Makefile to force reconfigure"
1754 rm -f ${module}/Makefile
1758 /^@endif $module\$/d
1759 /^@if $module-$bootstrap_suffix\$/d
1760 /^@endif $module-$bootstrap_suffix\$/d"
1762 for module in ${target_configdirs} ; do
1763 if test -z "${no_recursion}" \
1764 && test -f ${target_subdir}/${module}/Makefile; then
1765 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
1766 rm -f ${target_subdir}/${module}/Makefile
1769 /^@if target-$module\$/d
1770 /^@endif target-$module\$/d
1771 /^@if target-$module-$bootstrap_suffix\$/d
1772 /^@endif target-$module-$bootstrap_suffix\$/d"
1776 /^@if /,/^@endif /d"
1778 # Create the serialization dependencies. This uses a temporary file.
1780 AC_ARG_ENABLE([serial-configure],
1781 [ --enable-serial-[{host,target,build}-]configure
1782 Force sequential configuration of
1783 sub-packages for the host, target or build
1784 machine, or all sub-packages])
1786 case ${enable_serial_configure} in
1788 enable_serial_build_configure=yes
1789 enable_serial_host_configure=yes
1790 enable_serial_target_configure=yes
1794 # These force 'configure's to be done one at a time, to avoid problems
1795 # with contention over a shared config.cache.
1797 echo '# serdep.tmp' > serdep.tmp
1799 test "x${enable_serial_build_configure}" = xyes &&
1800 for item in ${build_configdirs} ; do
1803 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
1808 test "x${enable_serial_host_configure}" = xyes &&
1809 for item in ${configdirs} ; do
1812 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
1817 test "x${enable_serial_target_configure}" = xyes &&
1818 for item in ${target_configdirs} ; do
1821 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
1825 serialization_dependencies=serdep.tmp
1826 AC_SUBST_FILE(serialization_dependencies)
1828 # Base args. Strip norecursion, cache-file, srcdir, host, build,
1829 # target and nonopt. These are the ones we might not want to pass
1830 # down to subconfigures. Also strip program-prefix, program-suffix,
1831 # and program-transform-name, so that we can pass down a consistent
1832 # program-transform-name. If autoconf has put single quotes around
1833 # any of these arguments (because they contain shell metacharacters)
1834 # then this will fail; in practice this only happens for
1835 # --program-transform-name, so be sure to override --program-transform-name
1836 # at the end of the argument list.
1837 # These will be expanded by make, so quote '$'.
1838 cat <<\EOF_SED > conftestsed
1840 s/ --c[[a-z-]]*[[= ]][[^ ]]*//g
1841 s/ --sr[[a-z-]]*[[= ]][[^ ]]*//g
1842 s/ --ho[[a-z-]]*[[= ]][[^ ]]*//g
1843 s/ --bu[[a-z-]]*[[= ]][[^ ]]*//g
1844 s/ --t[[a-z-]]*[[= ]][[^ ]]*//g
1845 s/ --program-[[pst]][[a-z-]]*[[= ]][[^ ]]*//g
1846 s/ -cache-file[[= ]][[^ ]]*//g
1847 s/ -srcdir[[= ]][[^ ]]*//g
1848 s/ -host[[= ]][[^ ]]*//g
1849 s/ -build[[= ]][[^ ]]*//g
1850 s/ -target[[= ]][[^ ]]*//g
1851 s/ -program-prefix[[= ]][[^ ]]*//g
1852 s/ -program-suffix[[= ]][[^ ]]*//g
1853 s/ -program-transform-name[[= ]][[^ ]]*//g
1854 s/ [[^' -][^ ]*] / /
1858 sed -f conftestsed <<EOF_SED > conftestsed.out
1859 ${ac_configure_args}
1861 baseargs=`cat conftestsed.out`
1862 rm -f conftestsed conftestsed.out
1864 # Add in --program-transform-name, after --program-prefix and
1865 # --program-suffix have been applied to it. Autoconf has already
1866 # doubled dollar signs and backslashes in program_transform_name; we want
1867 # the backslashes un-doubled, and then the entire thing wrapped in single
1868 # quotes, because this will be expanded first by make and then by the shell.
1869 # Also, because we want to override the logic in subdir configure scripts to
1870 # choose program_transform_name, replace any s,x,x, with s,y,y,.
1871 sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
1872 ${program_transform_name}
1874 gcc_transform_name=`cat conftestsed.out`
1875 rm -f conftestsed.out
1876 baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
1878 # For the build-side libraries, we just need to pretend we're native,
1879 # and not use the same cache file. Multilibs are neither needed nor
1881 build_configargs="--cache-file=../config.cache --build=${build_alias} --host=${build_alias} ${baseargs}"
1883 # For host modules, accept cache file option, or specification as blank.
1884 case "${cache_file}" in
1886 cache_file_option="" ;;
1887 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
1888 cache_file_option="--cache-file=${cache_file}" ;;
1890 cache_file_option="--cache-file=../${cache_file}" ;;
1893 # Host dirs don't like to share a cache file either, horribly enough.
1894 # This seems to be due to autoconf 2.5x stupidity.
1895 host_configargs="--cache-file=./config.cache --build=${build_alias} --host=${host_alias} --target=${target_alias} ${extra_host_args} ${baseargs}"
1897 target_configargs=${baseargs}
1899 # Passing a --with-cross-host argument lets the target libraries know
1900 # whether they are being built with a cross-compiler or being built
1901 # native. However, it would be better to use other mechanisms to make the
1902 # sorts of decisions they want to make on this basis. Please consider
1903 # this option to be deprecated. FIXME.
1904 if test x${is_cross_compiler} = xyes ; then
1905 target_configargs="--with-cross-host=${host_alias} ${target_configargs}"
1908 # Default to --enable-multilib.
1909 if test x${enable_multilib} = x ; then
1910 target_configargs="--enable-multilib ${target_configargs}"
1913 # Pass --with-newlib if appropriate. Note that target_configdirs has
1914 # changed from the earlier setting of with_newlib.
1915 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
1916 target_configargs="--with-newlib ${target_configargs}"
1919 # Different target subdirs use different values of certain variables
1920 # (notably CXX). Worse, multilibs use *lots* of different values.
1921 # Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
1922 # it doesn't automatically accept command-line overrides of them.
1923 # This means it's not safe for target subdirs to share a cache file,
1924 # which is disgusting, but there you have it. Hopefully this can be
1925 # fixed in future. It's still worthwhile to use a cache file for each
1926 # directory. I think.
1928 # Pass the appropriate --host, --build, and --cache-file arguments.
1929 target_configargs="--cache-file=./config.cache --host=${target_alias} --build=${build_alias} ${target_configargs}"
1931 # provide a proper gxx_include_dir.
1932 # Note, if you change the default, make sure to fix both here and in
1933 # the gcc and libstdc++-v3 subdirectories.
1934 # Check whether --with-gxx-include-dir or --without-gxx-include-dir was given.
1935 case "${with_gxx_include_dir}" in
1937 AC_MSG_ERROR([--with-gxx-include-dir=[[dir]] requires a directory])
1940 case "${enable_version_specific_runtime_libs}" in
1941 yes) gxx_include_dir='${libsubdir}/include/c++' ;;
1943 . ${srcdir}/config.if
1944 gxx_include_dir='${prefix}/include/'${libstdcxx_incdir} ;;
1946 *) gxx_include_dir=${with_gxx_include_dir} ;;
1950 case " $target_configdirs " in
1952 case " $target_configargs " in
1953 *" --with-newlib "*)
1956 FLAGS_FOR_TARGET=$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' ;;
1959 # If we're not building GCC, don't discard standard headers.
1960 if test -d ${srcdir}/gcc; then
1961 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
1963 if test "${build}" != "${host}"; then
1964 # On Canadian crosses, CC_FOR_TARGET will have already been set
1965 # by `configure', so we won't have an opportunity to add -Bgcc/
1966 # to it. This is right: we don't want to search that directory
1967 # for binaries, but we want the header files in there, so add
1969 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/gcc/include'
1971 # Someone might think of using the pre-installed headers on
1972 # Canadian crosses, in case the installed compiler is not fully
1973 # compatible with the compiler being built. In this case, it
1974 # would be better to flag an error than risking having
1975 # incompatible object files being constructed. We can't
1976 # guarantee that an error will be flagged, but let's hope the
1977 # compiler will do it, when presented with incompatible header
1982 case "${target}-${is_cross_compiler}" in
1983 i[[3456789]]86-*-linux*-no)
1984 # Here host == target, so we don't need to build gcc,
1985 # so we don't want to discard standard headers.
1986 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
1989 # If we're building newlib, use its generic headers last, but search
1990 # for any libc-related directories first (so make it the last -B
1992 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
2000 # Allow the user to override the flags for
2001 # our build compiler if desired.
2002 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
2004 # On Canadian crosses, we'll be searching the right directories for
2005 # the previously-installed cross compiler, so don't bother to add
2006 # flags for directories within the install tree of the compiler
2007 # being built; programs in there won't even run.
2008 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
2009 # Search for pre-installed headers if nothing else fits.
2010 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
2013 if test "x${use_gnu_ld}" = x &&
2014 echo " ${configdirs} " | grep " ld " > /dev/null ; then
2015 # Arrange for us to find uninstalled linker scripts.
2016 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/ld'
2019 if test "x${CC_FOR_TARGET+set}" = xset; then
2021 elif test -d ${srcdir}/gcc; then
2022 CC_FOR_TARGET='$$r/gcc/xgcc -B$$r/gcc/'
2023 elif test "$host" = "$target"; then
2024 CC_FOR_TARGET='$(CC)'
2026 CC_FOR_TARGET=`echo gcc | sed "${program_transform_name}"`
2028 CC_FOR_TARGET=$CC_FOR_TARGET' $(FLAGS_FOR_TARGET)'
2030 if test "x${GCJ_FOR_TARGET+set}" = xset; then
2032 elif test -d ${srcdir}/gcc; then
2033 GCJ_FOR_TARGET='$$r/gcc/gcj -B$$r/gcc/'
2034 elif test "$host" = "$target"; then
2035 GCJ_FOR_TARGET='gcj'
2037 GCJ_FOR_TARGET=`echo gcj | sed "${program_transform_name}"`
2039 GCJ_FOR_TARGET=$GCJ_FOR_TARGET' $(FLAGS_FOR_TARGET)'
2041 if test "x${GFORTRAN_FOR_TARGET+set}" = xset; then
2043 elif test -d ${srcdir}/gcc; then
2044 GFORTRAN_FOR_TARGET='$$r/gcc/gfortran -B$$r/gcc/'
2045 elif test "$host" = "$target"; then
2046 GFORTRAN_FOR_TARGET='gfortran'
2048 GFORTRAN_FOR_TARGET=`echo gfortran | sed "${program_transform_name}"`
2050 case $GFORTRAN_FOR_TARGET in
2051 *' $(FLAGS_FOR_TARGET)') ;;
2052 *) GFORTRAN_FOR_TARGET=$GFORTRAN_FOR_TARGET' $(FLAGS_FOR_TARGET)' ;;
2055 # Don't use libstdc++-v3's flags to configure/build itself.
2056 libstdcxx_flags='`test ! -f $$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$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs'
2057 raw_libstdcxx_flags='-L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs'
2059 if test "x${CXX_FOR_TARGET+set}" = xset; then
2060 if test "x${RAW_CXX_FOR_TARGET+set}" != xset; then
2061 RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
2063 elif test -d ${srcdir}/gcc; then
2064 # We add -shared-libgcc to CXX_FOR_TARGET whenever we use xgcc instead
2065 # of g++ for linking C++ or Java, because g++ has -shared-libgcc by
2066 # default whereas gcc does not.
2067 # RAW_CXX_FOR_TARGET is for linking C++ or java; CXX_FOR_TARGET is for
2069 CXX_FOR_TARGET='$$r/gcc/g++ -B$$r/gcc/ -nostdinc++ '$libstdcxx_flags
2070 RAW_CXX_FOR_TARGET='$$r/gcc/xgcc -shared-libgcc -B$$r/gcc/ -nostdinc++ '$raw_libstdcxx_flags
2071 elif test "$host" = "$target"; then
2072 CXX_FOR_TARGET='$(CXX)'
2073 RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
2075 CXX_FOR_TARGET=`echo c++ | sed "${program_transform_name}"`
2076 RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
2078 CXX_FOR_TARGET=$CXX_FOR_TARGET' $(FLAGS_FOR_TARGET)'
2079 RAW_CXX_FOR_TARGET=$RAW_CXX_FOR_TARGET' $(FLAGS_FOR_TARGET)'
2081 qCXX_FOR_TARGET=`echo "$CXX_FOR_TARGET" | sed 's,[[&%]],\\\&,g'`
2082 qRAW_CXX_FOR_TARGET=`echo "$RAW_CXX_FOR_TARGET" | sed 's,[[&%]],\\\&,g'`
2084 # We want to defer the evaluation of `cmd`s and shell variables in
2085 # CXX_FOR_TARGET when recursing in the top-level Makefile, such as for
2086 # bootstrap. We'll enclose CXX_FOR_TARGET_FOR_RECURSIVE_MAKE in single
2087 # quotes, but we still have to duplicate `$'s so that shell variables
2088 # can be expanded by the nested make as shell variables, not as make
2090 qqCXX_FOR_TARGET=`echo "$qCXX_FOR_TARGET" | sed -e 's,[[$]][[$]],$$$$,g'`
2091 qqRAW_CXX_FOR_TARGET=`echo "$qRAW_CXX_FOR_TARGET" | sed -e 's,[[$]][[$]],$$$$,g'`
2093 # Wrap CC_FOR_TARGET and friends, for certain types of builds.
2094 CC_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${CC_FOR_TARGET}"
2095 GCJ_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${GCJ_FOR_TARGET}"
2096 GFORTRAN_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${GFORTRAN_FOR_TARGET}"
2097 CXX_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${qCXX_FOR_TARGET}"
2098 RAW_CXX_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${qRAW_CXX_FOR_TARGET}"
2099 CXX_FOR_TARGET_FOR_RECURSIVE_MAKE="\$(STAGE_CC_WRAPPER) ${qqCXX_FOR_TARGET}"
2100 RAW_CXX_FOR_TARGET_FOR_RECURSIVE_MAKE="\$(STAGE_CC_WRAPPER) ${qqRAW_CXX_FOR_TARGET}"
2102 # Makefile fragments.
2103 for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
2105 eval fragval=\$$frag
2106 if test $fragval != /dev/null; then
2107 eval $frag=${srcdir}/$fragval
2110 AC_SUBST_FILE(host_makefile_frag)
2111 AC_SUBST_FILE(target_makefile_frag)
2112 AC_SUBST_FILE(alphaieee_frag)
2113 AC_SUBST_FILE(ospace_frag)
2115 # Miscellanea: directories, flags, etc.
2116 AC_SUBST(SET_LIB_PATH)
2117 AC_SUBST(RPATH_ENVVAR)
2118 AC_SUBST(BUILD_PREFIX)
2119 AC_SUBST(BUILD_PREFIX_1)
2120 AC_SUBST(gcc_version_trigger)
2121 AC_SUBST(gcc_version)
2123 AC_SUBST(build_tooldir)
2125 AC_SUBST(gxx_include_dir)
2126 AC_SUBST(libstdcxx_incdir)
2128 # Build module lists & subconfigure args.
2129 AC_SUBST(build_configargs)
2130 AC_SUBST(build_configdirs)
2132 # Host module lists & subconfigure args.
2133 AC_SUBST(host_configargs)
2134 AC_SUBST(configdirs)
2136 # Target module lists & subconfigure args.
2137 AC_SUBST(target_configargs)
2138 AC_SUBST(target_configdirs)
2141 AC_SUBST(CC_FOR_BUILD)
2142 AC_SUBST(config_shell)
2145 NCN_STRICT_CHECK_TOOL(AR, ar)
2146 NCN_STRICT_CHECK_TOOL(AS, as)
2147 NCN_STRICT_CHECK_TOOL(DLLTOOL, dlltool)
2148 NCN_STRICT_CHECK_TOOL(LD, ld)
2149 NCN_STRICT_CHECK_TOOL(NM, nm)
2150 NCN_STRICT_CHECK_TOOL(RANLIB, ranlib, :)
2151 NCN_STRICT_CHECK_TOOL(WINDRES, windres)
2152 NCN_STRICT_CHECK_TOOL(OBJCOPY, objcopy)
2153 NCN_STRICT_CHECK_TOOL(OBJDUMP, objdump)
2157 AC_SUBST(CFLAGS_FOR_BUILD)
2161 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_AR_FOR_TARGET, ar)
2162 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_AS_FOR_TARGET, as)
2163 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_DLLTOOL_FOR_TARGET, dlltool)
2164 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_LD_FOR_TARGET, ld)
2165 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_NM_FOR_TARGET, nm)
2166 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_RANLIB_FOR_TARGET, ranlib, :)
2167 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_WINDRES_FOR_TARGET, windres)
2169 AC_SUBST(GCC_FOR_TARGET)
2170 AC_SUBST(FLAGS_FOR_TARGET)
2171 AC_SUBST(CC_FOR_TARGET)
2172 AC_SUBST(GCJ_FOR_TARGET)
2173 AC_SUBST(GFORTRAN_FOR_TARGET)
2174 AC_SUBST(CXX_FOR_TARGET)
2175 AC_SUBST(RAW_CXX_FOR_TARGET)
2176 AC_SUBST(CXX_FOR_TARGET_FOR_RECURSIVE_MAKE)
2177 AC_SUBST(RAW_CXX_FOR_TARGET_FOR_RECURSIVE_MAKE)
2179 # Fix up target tools.
2180 if test "x${build}" = "x${host}" ; then
2181 # In this case, the newly built tools can and should be used,
2182 # so we override the results of the autoconf tests.
2183 # This should really only happen when the tools are actually being built,
2184 # but that's a further refinement. The new build scheme, where
2185 # tools are built into a structure paralleling where they're installed,
2186 # should also eliminate all of this cleanly.
2187 AR_FOR_TARGET="\$(USUAL_AR_FOR_TARGET)"
2188 AS_FOR_TARGET="\$(USUAL_AS_FOR_TARGET)"
2189 DLLTOOL_FOR_TARGET="\$(USUAL_DLLTOOL_FOR_TARGET)"
2190 LD_FOR_TARGET="\$(USUAL_LD_FOR_TARGET)"
2191 NM_FOR_TARGET="\$(USUAL_NM_FOR_TARGET)"
2192 RANLIB_FOR_TARGET="\$(USUAL_RANLIB_FOR_TARGET)"
2193 WINDRES_FOR_TARGET="\$(USUAL_WINDRES_FOR_TARGET)"
2195 # Just use the ones we found.
2196 AR_FOR_TARGET="\$(CONFIGURED_AR_FOR_TARGET)"
2197 AS_FOR_TARGET="\$(CONFIGURED_AS_FOR_TARGET)"
2198 DLLTOOL_FOR_TARGET="\$(CONFIGURED_DLLTOOL_FOR_TARGET)"
2199 LD_FOR_TARGET="\$(CONFIGURED_LD_FOR_TARGET)"
2200 NM_FOR_TARGET="\$(CONFIGURED_NM_FOR_TARGET)"
2201 RANLIB_FOR_TARGET="\$(CONFIGURED_RANLIB_FOR_TARGET)"
2202 WINDRES_FOR_TARGET="\$(CONFIGURED_WINDRES_FOR_TARGET)"
2204 AC_SUBST(AR_FOR_TARGET)
2205 AC_SUBST(AS_FOR_TARGET)
2206 AC_SUBST(DLLTOOL_FOR_TARGET)
2207 AC_SUBST(LD_FOR_TARGET)
2208 AC_SUBST(NM_FOR_TARGET)
2209 AC_SUBST(RANLIB_FOR_TARGET)
2210 AC_SUBST(WINDRES_FOR_TARGET)
2212 # Certain tools may need extra flags.
2213 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
2214 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
2215 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
2217 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
2218 AC_ARG_ENABLE(maintainer-mode,
2219 [ --enable-maintainer-mode enable make rules and dependencies not useful
2220 (and sometimes confusing) to the casual installer],
2221 USE_MAINTAINER_MODE=$enableval,
2222 USE_MAINTAINER_MODE=no)
2223 AC_MSG_RESULT($USE_MAINTAINER_MODE)
2224 AC_SUBST(MAINTAINER_MODE_TRUE)
2225 AC_SUBST(MAINTAINER_MODE_FALSE)
2226 if test "$USE_MAINTAINER_MODE" = yes; then
2227 MAINTAINER_MODE_TRUE=
2228 MAINTAINER_MODE_FALSE='#'
2230 MAINTAINER_MODE_TRUE='#'
2231 MAINTAINER_MODE_FALSE=
2233 MAINT=$MAINTAINER_MODE_TRUE
2236 # ---------------------
2237 # GCC bootstrap support
2238 # ---------------------
2240 # Stage specific cflags for build.
2245 yes) stage1_cflags="-g -Wa,-J" ;;
2246 *) stage1_cflags="-g -J" ;;
2249 # The spiffy cpp-precomp chokes on some legitimate constructs in GCC
2250 # sources; use -no-cpp-precomp to get to GNU cpp.
2251 # Apple's GCC has bugs in designated initializer handling, so disable
2253 stage1_cflags="-g -no-cpp-precomp -DHAVE_DESIGNATED_INITIALIZERS=0"
2256 AC_SUBST(stage1_cflags)
2258 # It makes debugging easier if we create as symlinks the stage directories
2259 # gcc for stageN-gcc and stagePREV-gcc for stage(N-1). In case this is not
2260 # possible, however, we can resort to mv.
2261 AC_CACHE_CHECK([if symbolic links between directories work],
2262 [gcc_cv_prog_ln_s_dir],
2263 [if test "${LN_S}" = "ln -s" \
2264 && mkdir confdir.s1 \
2265 && ln -s confdir.s1 confdir.s2 \
2266 && echo timestamp1 > confdir.s1/conftest.1 \
2267 && cmp confdir.s1/conftest.1 confdir.s2/conftest.1 \
2268 && echo timestamp2 > confdir.s2/conftest.2 \
2269 && cmp confdir.s1/conftest.2 confdir.s1/conftest.2 \
2270 && rm -f confdir.s2; then
2271 gcc_cv_prog_ln_s_dir=yes
2273 gcc_cv_prog_ln_s_dir=yes
2275 rm -rf confdir.s1 confdir.s2])
2277 case ${gcc_cv_prog_ln_s_dir} in
2279 CREATE_LINK_TO_DIR='ln -s $$1 $$2'
2280 UNDO_LINK_TO_DIR='rm -f $$1' ;;
2282 CREATE_LINK_TO_DIR='mv $$1 $$2'
2283 UNDO_LINK_TO_DIR='mv $$1 $$2' ;;
2285 AC_SUBST(CREATE_LINK_TO_DIR)
2286 AC_SUBST(UNDO_LINK_TO_DIR)
2288 # Enable -Werror in bootstrap stage2 and later.
2289 # Change the default to "no" on release branches.
2290 AC_ARG_ENABLE(werror,
2291 [ --enable-werror enable -Werror in bootstrap stage2 and later], [],
2292 [enable_werror=yes])
2293 case ${enable_werror} in
2294 yes) stage2_werror_flag="--enable-werror-always" ;;
2295 *) stage2_werror_flag="" ;;
2297 AC_SUBST(stage2_werror_flag)
2299 # If gcc is built natively with shared library enabled, set
2300 # $RPATH_ENVVAR to make sure the newly built gcc shared librares are
2303 if test -d ${srcdir}/gcc && test x${is_cross_compiler} = xno; then
2304 case "${enable_shared}" in
2307 eval "d=\$$RPATH_ENVVAR"
2308 if test x"$d" != x; then
2313 SET_GCC_LIB_PATH="\$(RPATH_ENVVAR)=$d; export \$(RPATH_ENVVAR);"
2317 AC_SUBST(SET_GCC_LIB_PATH)