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)
22 sinclude(config/gcc-version.m4)
23 sinclude(config/gxx-include-dir.m4)
25 AC_INIT(move-if-change)
30 # Get 'install' or 'install-sh' and its variants.
35 ### we might need to use some other shell than /bin/sh for running subshells
36 ### If we are on Windows, search for the shell. This will permit people
37 ### to not have /bin/sh, but to be able to see /SOME/PATH/sh configure
38 ### without also having to set CONFIG_SHELL. This code will work when
39 ### using bash, which sets OSTYPE.
42 if test x${CONFIG_SHELL} = x ; then
43 if test ! -f /bin/sh ; then
44 if test x${SHELL} != x && test -f ${SHELL} ; then
48 for prog in sh sh.exe bash bash.exe; do
49 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
51 test -z "$dir" && dir=.
52 if test -f $dir/$prog; then
53 CONFIG_SHELL=$dir/$prog
59 test -n "${CONFIG_SHELL}" && break
67 config_shell=${CONFIG_SHELL-/bin/sh}
70 # if PWD already has a value, it is probably wrong.
71 if test -n "$PWD" ; then PWD=`${PWDCMD-pwd}`; fi
73 # If we're building in the source directory, error.
74 if test "${srcdir}" = "." ; then
75 AC_MSG_ERROR([Building in the source directory is not supported in this release. See http://gcc.gnu.org/install/configure.html for more details.])
78 # Export original configure arguments for use by sub-configures. These
79 # will be expanded by make, so quote '$'.
81 sed -e 's,\$,$$,g' <<EOF_SED > conftestsed.out
84 TOPLEVEL_CONFIGURE_ARGUMENTS=`cat conftestsed.out`
86 AC_SUBST(TOPLEVEL_CONFIGURE_ARGUMENTS)
88 moveifchange=${srcdir}/move-if-change
90 srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}`
92 # We pass INSTALL explicitly to sub-makes. Make sure that it is not
94 if test "$INSTALL" = "${srcdir}/install-sh -c"; then
95 INSTALL="${srcpwd}/install-sh -c"
98 # Set srcdir to "." if that's what it is.
99 # This is important for multilib support.
101 if test "${pwd}" = "${srcpwd}" ; then
109 # Define the trigger file to make sure configure will re-run whenever
110 # the gcc version number changes.
111 TL_AC_GCC_VERSION([$topsrcdir])
112 if test -f $gcc_version_trigger ; then
113 case "$ac_configure_args" in
114 *--with-gcc-version-trigger=$gcc_version_trigger* )
117 # Add to all subconfigure arguments: build, host, and target.
118 ac_configure_args="$ac_configure_args --with-gcc-version-trigger=$gcc_version_trigger"
125 ### To add a new directory to the tree, first choose whether it is a target
126 ### or a host dependent tool. Then put it into the appropriate list
127 ### (library or tools, host or target), doing a dependency sort.
129 # Subdirs will be configured in the order listed in build_configdirs,
130 # configdirs, or target_configdirs; see the serialization section below.
132 # Dependency sorting is only needed when *configuration* must be done in
133 # a particular order. In all cases a dependency should be specified in
134 # the Makefile, whether or not it's implicitly specified here.
136 # Double entries in build_configdirs, configdirs, or target_configdirs may
137 # cause circular dependencies and break everything horribly.
139 # these library is used by various programs built for the build
142 build_libs="build-libiberty"
144 # these tools are built for the build environment
145 build_tools="build-texinfo build-byacc build-flex build-bison build-m4 build-fixincludes"
147 # these libraries are used by various programs built for the host environment
149 host_libs="intl mmalloc libiberty opcodes bfd readline tcl tk itcl libgui zlib libcpp"
151 # these tools are built for the host environment
152 # Note, the powerpc-eabi build depends on sim occurring before gdb in order to
153 # know that we are building the simulator.
154 # binutils, gas and ld appear in that order because it makes sense to run
155 # "make check" in that particular order.
156 host_tools="texinfo byacc flex bison binutils gas ld fixincludes gcc sid sim gdb make patch prms send-pr gprof etc expect dejagnu ash bash bzip2 m4 autoconf automake libtool diff rcs fileutils shellutils time textutils wdiff find uudecode hello tar gzip indent recode release sed utils guile perl gawk findutils gettext zip fastjar"
158 # libgcj represents the runtime libraries only used by gcj.
159 libgcj="target-libffi \
165 # these libraries are built for the target environment, and are built after
166 # the host libraries and the host tools (which may be a cross compiler)
168 target_libraries="target-libiberty \
171 target-libstdc++-v3 \
178 # these tools are built using the target libraries, and are intended to
179 # run only in the target environment
181 # note: any program that *uses* libraries that are in the "target_libraries"
182 # list belongs in this list. those programs are also very likely
183 # candidates for the "native_only" list which follows
185 target_tools="target-examples target-groff target-gperf target-rda"
187 ################################################################################
189 ## All tools belong in one of the four categories, and are assigned above
190 ## We assign ${configdirs} this way to remove all embedded newlines. This
191 ## is important because configure will choke if they ever get through.
192 ## ${configdirs} is directories we build using the host tools.
193 ## ${target_configdirs} is directories we build using the target tools.
194 configdirs=`echo ${host_libs} ${host_tools}`
195 target_configdirs=`echo ${target_libraries} ${target_tools}`
196 build_configdirs=`echo ${build_libs} ${build_tools}`
198 ################################################################################
200 srcname="gnu development package"
202 # This gets set non-empty for some net releases of packages.
205 # Define is_cross_compiler to save on calls to 'test'.
207 if test x"${host}" = x"${target}" ; then
210 is_cross_compiler=yes
213 # Find the build and target subdir names.
216 # Skipdirs are removed silently.
218 # Noconfigdirs are removed loudly.
222 # Make sure we don't let GNU ld be added if we didn't want it.
223 if test x$with_gnu_ld = xno ; then
225 noconfigdirs="$noconfigdirs ld"
229 # Make sure we don't let GNU as be added if we didn't want it.
230 if test x$with_gnu_as = xno ; then
232 noconfigdirs="$noconfigdirs gas"
235 # some tools are so dependent upon X11 that if we're not building with X,
236 # it's not even worth trying to configure, much less build, that tool.
239 yes | "") ;; # the default value for this tree is that X11 is available
241 skipdirs="${skipdirs} tk itcl libgui"
242 # We won't be able to build gdbtk without X.
245 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
248 # Some tools are only suitable for building in a "native" situation.
249 # Remove these if host!=target.
250 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"
252 # Similarly, some are only suitable for cross toolchains.
253 # Remove these if host=target.
254 cross_only="target-libgloss target-newlib target-opcodes"
256 case $is_cross_compiler in
257 no) skipdirs="${skipdirs} ${cross_only}" ;;
258 yes) skipdirs="${skipdirs} ${native_only}" ;;
261 # If both --with-headers and --with-libs are specified, default to
263 if test x"${with_headers}" != x && test x"${with_headers}" != xno \
264 && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
265 if test x"${with_newlib}" = x ; then
270 # Recognize --with-newlib/--without-newlib.
271 case ${with_newlib} in
272 no) skipdirs="${skipdirs} target-newlib" ;;
273 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
276 # Configure extra directories which are host specific
280 configdirs="$configdirs libtermcap" ;;
283 # Remove more programs from consideration, based on the host or
284 # target this usually means that a port of the program doesn't
289 noconfigdirs="$noconfigdirs byacc"
291 i[[3456789]]86-*-vsta)
292 noconfigdirs="$noconfigdirs tcl expect dejagnu make texinfo bison patch flex byacc send-pr gprof uudecode dejagnu diff guile perl itcl gnuserv gettext"
294 i[[3456789]]86-*-go32* | i[[3456789]]86-*-msdosdjgpp*)
295 noconfigdirs="$noconfigdirs tcl tk expect dejagnu send-pr uudecode guile itcl gnuserv libffi"
297 i[[3456789]]86-*-mingw32*)
298 # noconfigdirs="tcl tk expect dejagnu make texinfo bison patch flex byacc send-pr uudecode dejagnu diff guile perl itcl gnuserv"
299 noconfigdirs="$noconfigdirs expect dejagnu autoconf automake send-pr rcs guile perl texinfo libtool"
301 i[[3456789]]86-*-beos*)
302 noconfigdirs="$noconfigdirs tk itcl libgui gdb"
305 noconfigdirs="$noconfigdirs autoconf automake send-pr rcs guile perl"
308 noconfigdirs="$noconfigdirs rcs"
311 noconfigdirs="$noconfigdirs patch diff make tk tcl expect dejagnu autoconf automake texinfo bison send-pr gprof rcs guile perl itcl gnuserv"
314 noconfigdirs="$noconfigdirs tk itcl libgui gdb dejagnu readline"
319 AC_ARG_ENABLE(libada,
320 [ --enable-libada Builds libada directory],
321 ENABLE_LIBADA=$enableval,
323 if test "${ENABLE_LIBADA}" != "yes" ; then
324 noconfigdirs="$noconfigdirs target-libada"
327 # Save it here so that, even in case of --enable-libgcj, if the Java
328 # front-end isn't enabled, we still get libgcj disabled.
330 case $enable_libgcj in
332 # If we reset it here, it won't get added to noconfigdirs in the
333 # target-specific build rules, so it will be forcibly enabled
334 # (unless the Java language itself isn't enabled).
338 # Make sure we get it printed in the list of not supported target libs.
339 noconfigdirs="$noconfigdirs ${libgcj}"
344 # Allow --disable-libmudflap to exclude target-libmudflap
345 case $enable_libmudflap in
349 noconfigdirs="$noconfigdirs target-libmudflap"
353 *-*-linux*-gnu | *-*-gnu* | *-*-k*bsd*-gnu)
354 # Enable libmudflap by default in GNU and friends.
357 # Enable libmudflap by default in FreeBSD.
360 # Disable it by default everywhere else.
361 noconfigdirs="$noconfigdirs target-libmudflap"
369 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
372 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes gdb gprof"
375 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes gdb gprof"
376 noconfigdirs="$noconfigdirs ${libgcj}"
378 *-*-freebsd[[12]] | *-*-freebsd[[12]].* | *-*-freebsd*aout*)
379 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
382 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
383 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
384 && test -f /usr/local/include/gmp.h; then
388 # Skip some stuff that's unsupported on some FreeBSD configurations.
393 noconfigdirs="$noconfigdirs ${libgcj}"
398 # Remove unsupported stuff on all kaOS configurations.
399 skipdirs="target-libiberty ${libgcj} target-libstdc++-v3 target-librx"
400 skipdirs="$skipdirs target-libobjc target-examples target-groff target-gperf"
401 skipdirs="$skipdirs zlib fastjar target-libjava target-boehm-gc target-zlib"
402 noconfigdirs="$noconfigdirs target-libgloss"
405 # Skip some stuff on all NetBSD configurations.
406 noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss"
408 # Skip some stuff that's unsupported on some NetBSD configurations.
410 i*86-*-netbsdelf*) ;;
411 arm*-*-netbsdelf*) ;;
413 noconfigdirs="$noconfigdirs ${libgcj}"
418 noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss ${libgcj} target-libmudflap"
421 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
424 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-rda ${libgcj}"
427 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libiberty ${libgcj}"
430 # ld works, but does not support shared libraries.
431 # newlib is not 64 bit ready. I'm not sure about fileutils.
432 # gas doesn't generate exception information.
433 noconfigdirs="$noconfigdirs gas ld fileutils target-newlib target-libgloss"
436 noconfigdirs="$noconfigdirs gdb ld target-newlib target-libgloss ${libgcj}"
439 # newlib is not 64 bit ready
440 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
443 # newlib is not 64 bit ready
444 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
447 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
450 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
452 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
453 noconfigdirs="$noconfigdirs ${libgcj}"
454 noconfigdirs="$noconfigdirs target-examples"
455 noconfigdirs="$noconfigdirs target-libiberty texinfo send-pr"
456 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
457 noconfigdirs="$noconfigdirs expect dejagnu"
458 # the C++ libraries don't build on top of CE's C libraries
459 noconfigdirs="$noconfigdirs target-libstdc++-v3"
460 noconfigdirs="$noconfigdirs target-newlib"
462 *-*-cygwin*) ;; # keep gdb and readline
463 *) noconfigdirs="$noconfigdirs gdb readline"
468 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
472 arm-*-coff | strongarm-*-coff | xscale-*-coff)
473 noconfigdirs="$noconfigdirs ${libgcj}"
475 arm-*-elf* | strongarm-*-elf* | xscale-*-elf* | arm*-*-eabi* )
476 noconfigdirs="$noconfigdirs target-libffi target-qthreads"
479 noconfigdirs="$noconfigdirs ${libgcj} target-libiberty"
482 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
485 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
488 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
491 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
494 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
497 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
500 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
502 c54x*-*-* | tic54x-*-*)
503 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj} gcc gdb newlib"
505 cris-*-* | crisv32-*-*)
508 noconfigdirs="$noconfigdirs ${libgcj}";;
510 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss";;
514 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-mudflap ${libgcj}"
517 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
520 noconfigdirs="$noconfigdirs ${libgcj} gdb"
523 noconfigdirs="$noconfigdirs ${libgcj} gdb"
526 noconfigdirs="$noconfigdirs ${libgcj}"
529 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
532 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
534 hppa1.1-*-osf* | hppa1.1-*-bsd* )
536 hppa*64*-*-linux* | parisc*64*-*-linux*)
537 # In this case, it's because the hppa64-linux target is for
538 # the kernel only at this point and has no libc, and thus no
539 # headers, crt*.o, etc., all of which are needed by these.
540 noconfigdirs="$noconfigdirs target-zlib"
542 parisc*-*-linux* | hppa*-*-linux*)
548 noconfigdirs="$noconfigdirs ${libgcj}"
551 # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
552 # build on HP-UX 10.20.
553 noconfigdirs="$noconfigdirs ld shellutils ${libgcj}"
556 noconfigdirs="$noconfigdirs ${libgcj} gdb"
559 # No gdb support yet.
560 noconfigdirs="$noconfigdirs readline mmalloc libgui itcl gdb"
563 # No gdb or ld support yet.
564 noconfigdirs="$noconfigdirs ${libgcj} readline mmalloc libgui itcl gdb ld"
568 i[[3456789]]86-*-coff | i[[3456789]]86-*-elf)
569 noconfigdirs="$noconfigdirs ${libgcj}"
571 i[[3456789]]86-*-linux*)
572 # The GCC port for glibc1 has no MD_FALLBACK_FRAME_STATE_FOR, so let's
573 # not build java stuff by default.
576 noconfigdirs="$noconfigdirs ${libgcj}";;
579 # This section makes it possible to build newlib natively on linux.
580 # If we are using a cross compiler then don't configure newlib.
581 if test x${is_cross_compiler} != xno ; then
582 noconfigdirs="$noconfigdirs target-newlib"
584 noconfigdirs="$noconfigdirs target-libgloss"
585 # If we are not using a cross compiler, do configure newlib.
586 # Note however, that newlib will only be configured in this situation
587 # if the --with-newlib option has been given, because otherwise
588 # 'target-newlib' will appear in skipdirs.
590 i[[3456789]]86-*-mingw32*)
591 target_configdirs="$target_configdirs target-mingw"
592 noconfigdirs="$noconfigdirs expect target-libgloss ${libgcj}"
594 # Can't build gdb for mingw32 if not native.
596 i[[3456789]]86-*-mingw32) ;; # keep gdb tcl tk expect etc.
597 *) noconfigdirs="$noconfigdirs gdb tcl tk expect itcl gnuserv"
602 target_configdirs="$target_configdirs target-libtermcap target-winsup"
603 noconfigdirs="$noconfigdirs target-gperf target-libgloss ${libgcj}"
604 # always build newlib if winsup directory is present.
605 if test -d "$srcdir/winsup"; then
606 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
607 elif test -d "$srcdir/newlib"; then
608 echo "Warning: winsup is missing so newlib can't be built."
611 # Can't build gdb for Cygwin if not native.
613 *-*-cygwin*) ;; # keep gdb tcl tk expect etc.
614 *) noconfigdirs="$noconfigdirs gdb tcl tk expect itcl libgui gnuserv"
618 i[[3456789]]86-moss-msdos | i[[3456789]]86-*-moss* | \
619 i[[3456789]]86-*-uwin* | i[[3456789]]86-*-interix* )
622 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
624 i[[3456789]]86-*-sco3.2v5*)
625 # The linker does not yet know about weak symbols in COFF,
626 # and is not configured to handle mixed ELF and COFF.
627 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
629 i[[3456789]]86-*-sco*)
630 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
632 i[[3456789]]86-*-solaris2*)
633 noconfigdirs="$noconfigdirs target-libgloss"
635 i[[3456789]]86-*-sysv4*)
636 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
638 i[[3456789]]86-*-beos*)
639 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
642 noconfigdirs="$noconfigdirs ${libgcj}"
644 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
645 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
648 noconfigdirs="$noconfigdirs ${libgcj}"
651 noconfigdirs="$noconfigdirs ${libgcj}"
654 # The EPOC C++ environment does not support exceptions or rtti,
655 # and so building libstdc++-v3 tends not to always work.
656 noconfigdirs="$noconfigdirs target-libstdc++-v3"
659 noconfigdirs="$noconfigdirs ${libgcj} gdb libgloss target-libgfortran"
662 noconfigdirs="$noconfigdirs ${libgcj}"
665 noconfigdirs="$noconfigdirs ${libgcj}"
668 # copied from rs6000-*-* entry
669 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
671 powerpc*-*-winnt* | powerpc*-*-pe* | ppc*-*-pe)
672 target_configdirs="$target_configdirs target-winsup"
673 noconfigdirs="$noconfigdirs gdb tcl tk make expect target-libgloss itcl gnuserv ${libgcj}"
674 # always build newlib.
675 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
677 # This is temporary until we can link against shared libraries
678 powerpcle-*-solaris*)
679 noconfigdirs="$noconfigdirs gdb sim make tcl tk expect itcl gnuserv ${libgcj}"
682 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
685 noconfigdirs="$noconfigdirs ${libgcj}"
687 powerpc-*-eabi* | powerpcle-*-eabi* | powerpc-*-rtems* )
690 noconfigdirs="$noconfigdirs target-newlib gprof ${libgcj}"
693 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
696 noconfigdirs="$noconfigdirs gprof ${libgcj}"
699 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss ${libgcj}"
702 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
705 # Linking libjava exceeds command-line length limits on at least
706 # IRIX 6.2, but not on IRIX 6.5.
707 # Also, boehm-gc won't build on IRIX 6.5, according to Jeffrey Oldham
708 # <oldham@codesourcery.com>
709 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
712 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
715 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
718 noconfigdirs="$noconfigdirs gprof ${libgcj}" # same as generic mips
721 noconfigdirs="$noconfigdirs target-newlib ${libgcj}"
724 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
727 noconfigdirs="$noconfigdirs gprof ${libgcj}"
730 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes target-libgloss ${libgcj}"
734 i[[3456789]]86-*-vsta) ;; # don't add gprof back in
735 i[[3456789]]86-*-go32*) ;; # don't add gprof back in
736 i[[3456789]]86-*-msdosdjgpp*) ;; # don't add gprof back in
737 *) skipdirs=`echo " ${skipdirs} " | sed -e 's/ gprof / /'` ;;
739 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
742 noconfigdirs="$noconfigdirs ${libgcj}"
745 noconfigdirs="$noconfigdirs ${libgcj}"
748 noconfigdirs="$noconfigdirs ${libgcj}"
751 noconfigdirs="$noconfigdirs ${libgcj}"
752 if test x${is_cross_compiler} != xno ; then
753 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
758 sparc-*-solaris2.[[0-6]] | sparc-*-solaris2.[[0-6]].*)
759 noconfigdirs="$noconfigdirs ${libgcj}"
761 sparc-*-solaris* | sparc64-*-solaris* | sparcv9-*-solaris*)
764 noconfigdirs="$noconfigdirs bfd binutils gas gcc gdb ld target-libstdc++-v3 opcodes target-libgloss ${libgcj}"
767 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
770 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
773 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
776 noconfigdirs="$noconfigdirs bfd binutils gdb ld target-newlib opcodes target-libgloss ${libgcj}"
779 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
782 noconfigdirs="$noconfigdirs ${libgcj}"
785 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
787 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu)
788 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
791 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
794 noconfigdirs="$noconfigdirs ${libgcj}"
798 # If we aren't building newlib, then don't build libgloss, since libgloss
799 # depends upon some newlib header files.
800 case "${noconfigdirs}" in
801 *target-libgloss*) ;;
802 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
805 # Work in distributions that contain no compiler tools, like Autoconf.
807 host_makefile_frag=/dev/null
808 if test -d ${srcdir}/config ; then
811 # Avoid "too much defining" errors from HPUX compiler.
812 tentative_cc="cc -Wp,-H256000"
813 # If "ar" in $PATH is GNU ar, the symbol table may need rebuilding.
814 # If it's HP/UX ar, this should be harmless.
818 tentative_cc="cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DUSG"
821 #None of the Apollo compilers can compile gas or binutils. The preprocessor
822 # chokes on bfd, the compiler won't let you assign integers to enums, and
823 # other problems. Defining CC to gcc is a questionable way to say "don't use
824 # the apollo compiler" (the preferred version of GCC could be called cc,
825 # or whatever), but I'm not sure leaving CC as cc is any better...
826 #CC=cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DNO_STDARG
827 # Used to have BISON=yacc.
831 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
834 # Under CX/UX, we want to tell the compiler to use ANSI mode.
835 tentative_cc="cc -Xa"
836 host_makefile_frag="config/mh-cxux"
841 tentative_cc="cc -Wf,-XNg1000"
842 host_makefile_frag="config/mh-decstation"
845 # The C compiler on NEC MIPS SVR4 needs bigger tables.
846 tentative_cc="cc -ZXNd=5000 -ZXNg=1000"
847 host_makefile_frag="config/mh-necv4"
850 # Tell compiler to use K&R C. We can't compile under the SGI Ansi
851 # environment. Also bump switch table size so that cp-parse will
852 # compile. Bump string length limit so linker builds.
853 tentative_cc="cc -cckr -Wf,-XNg1500 -Wf,-XNk1000 -Wf,-XNh2000 -Wf,-XNl8192"
856 host_makefile_frag="config/mh-sysv4"
859 # This is for a MIPS running RISC/os 4.52C.
861 # This is needed for GDB, but needs to be in the top-level make because
862 # if a library is compiled with the bsd headers and gets linked with the
863 # sysv system libraries all hell can break loose (e.g. a jmp_buf might be
865 # ptrace(2) apparently has problems in the BSD environment. No workaround is
866 # known except to select the sysv environment. Could we use /proc instead?
867 # These "sysv environments" and "bsd environments" often end up being a pain.
869 # This is not part of CFLAGS because perhaps not all C compilers have this
871 tentative_cc="cc -systype sysv"
876 i[[3456789]]86-*-sysv5*)
877 host_makefile_frag="config/mh-sysv5"
879 i[[3456789]]86-*-dgux*)
880 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
881 host_makefile_frag="config/mh-dgux386"
883 i[[3456789]]86-ncr-sysv4.3*)
884 # The MetaWare compiler will generate a copyright message unless you
885 # turn it off by adding the -Hnocopyr flag.
886 tentative_cc="cc -Hnocopyr"
888 i[[3456789]]86-ncr-sysv4*)
889 # for an NCR 3000 (i486/SVR4) system.
890 # The NCR 3000 ships with a MetaWare compiler installed as /bin/cc.
891 # This compiler not only emits obnoxious copyright messages every time
892 # you run it, but it chokes and dies on a whole bunch of GNU source
893 # files. Default to using the AT&T compiler installed in /usr/ccs/ATT/cc.
894 tentative_cc="/usr/ccs/ATT/cc"
895 host_makefile_frag="config/mh-ncr3000"
897 i[[3456789]]86-*-sco3.2v5*)
899 i[[3456789]]86-*-sco*)
900 # The native C compiler botches some simple uses of const. Unfortunately,
901 # it doesn't defined anything like "__sco__" for us to test for in ansidecl.h.
902 tentative_cc="cc -Dconst="
903 host_makefile_frag="config/mh-sco"
905 i[[3456789]]86-*-udk*)
906 host_makefile_frag="config/mh-sysv5"
908 i[[3456789]]86-*-solaris2*)
909 host_makefile_frag="config/mh-sysv4"
911 i[[3456789]]86-*-msdosdjgpp*)
912 host_makefile_frag="config/mh-djgpp"
915 host_makefile_frag="config/mh-cygwin"
918 host_makefile_frag="config/mh-mingw32"
921 host_makefile_frag="config/mh-interix"
924 # The old BSD pcc isn't up to compiling parts of gdb so use gcc
928 host_makefile_frag="config/mh-solaris"
931 # Sun's C compiler needs the -J flag to be able to compile cp-parse.c
932 # without overflowing the jump tables (-J says to use a 32 bit table)
936 tentative_cc="cc -Wp,-H256000"
939 tentative_cc="cc -Wp,-H256000"
942 # /bin/cc is less than useful for our purposes. Always use GCC
943 tentative_cc="/usr/cygnus/progressive/bin/gcc"
944 host_makefile_frag="config/mh-lynxrs6k"
947 host_makefile_frag="config/mh-ppc-darwin"
950 # /bin/cc is less than useful for our purposes. Always use GCC
951 tentative_cc="/bin/gcc"
954 host_makefile_frag="config/mh-sysv4"
956 # This is placed last to prevent interfering with the cases above.
958 # Build the stage2 and stage3 compilers with -fomit-frame-pointer.
959 host_makefile_frag="config/mh-x86omitfp"
964 # If we aren't going to be using gcc, see if we can extract a definition
965 # of CC from the fragment.
966 # Actually, use the 'pre-extracted' version above.
967 if test -z "${CC}" && test "${build}" = "${host}" ; then
968 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
971 test -z "$dir" && dir=.
972 if test -f $dir/gcc; then
978 if test -z "${found}" && test -n "${tentative_cc}" ; then
983 if test "${build}" != "${host}" ; then
984 # If we are doing a Canadian Cross, in which the host and build systems
985 # are not the same, we set reasonable default values for the tools.
987 CC=${CC-${host_alias}-gcc}
988 CFLAGS=${CFLAGS-"-g -O2"}
989 CXX=${CXX-${host_alias}-c++}
990 CXXFLAGS=${CXXFLAGS-"-g -O2"}
991 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
992 CC_FOR_TARGET=${CC_FOR_TARGET-${target_alias}-gcc}
993 CXX_FOR_TARGET=${CXX_FOR_TARGET-${target_alias}-c++}
994 GCJ_FOR_TARGET=${GCJ_FOR_TARGET-${target_alias}-gcj}
995 GCC_FOR_TARGET=${GCC_FOR_TARGET-${CC_FOR_TARGET-${target_alias}-gcc}}
996 BUILD_PREFIX=${build_alias}-
997 BUILD_PREFIX_1=${build_alias}-
1000 # Set reasonable default values for some tools even if not Canadian.
1001 # Of course, these are different reasonable default values, originally
1002 # specified directly in the Makefile.
1003 # We don't export, so that autoconf can do its job.
1004 # Note that all these settings are above the fragment inclusion point
1005 # in Makefile.in, so can still be overridden by fragments.
1006 # This is all going to change when we autoconfiscate...
1008 CC_FOR_BUILD="\$(CC)"
1009 GCC_FOR_TARGET="\$(USUAL_GCC_FOR_TARGET)"
1011 BUILD_PREFIX_1=loser-
1015 # We must set the default linker to the linker used by gcc for the correct
1016 # operation of libtool. If LD is not defined and we are using gcc, try to
1017 # set the LD default to the ld used by gcc.
1018 if test -z "$LD"; then
1019 if test "$GCC" = yes; then
1022 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1024 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1026 case $gcc_prog_ld in
1027 # Accept absolute paths.
1028 [[\\/]* | [A-Za-z]:[\\/]*)]
1029 LD="$gcc_prog_ld" ;;
1035 CFLAGS=${CFLAGS-"-g"}
1036 CXXFLAGS=${CXXFLAGS-"-g -O2"}
1040 ACX_PROG_CMP_IGNORE_INITIAL
1042 # Check for GMP and MPFR
1046 # Specify a location for mpfr
1047 # check for this first so it ends up on the link line before gmp.
1048 AC_ARG_WITH(mpfr-dir, [ --with-mpfr-dir=PATH Specify source directory for MPFR library])
1050 if test "x$with_mpfr_dir" != x; then
1051 gmpinc="-I$with_mpfr_dir"
1052 if test -f "$with_mpfr_dir/.libs/libmpfr.a"; then
1053 gmplibs="$with_mpfr_dir/.libs/libmpfr.a"
1054 elif test -f "$with_mpfr_dir/_libs/libmpfr.a"; then
1055 gmplibs="$with_mpfr_dir/_libs/libmpfr.a"
1057 gmplibs="$with_mpfr_dir/libmpfr.a"
1063 AC_ARG_WITH(mpfr, [ --with-mpfr=PATH Specify directory for installed MPFR library])
1065 if test "x$with_mpfr" != x; then
1066 gmplibs="-L$with_mpfr/lib $gmplibs"
1067 gmpinc="-I$with_mpfr/include"
1070 # Specify a location for gmp
1071 AC_ARG_WITH(gmp-dir, [ --with-gmp-dir=PATH Specify source directory for GMP library])
1073 if test "x$with_gmp_dir" != x; then
1074 gmpinc="$gmpinc -I$with_gmp_dir"
1075 if test -f "$with_gmp_dir/.libs/libgmp.a"; then
1076 gmplibs="$gmplibs $with_gmp_dir/.libs/libgmp.a"
1077 elif test -f "$with_gmp_dir/_libs/libgmp.a"; then
1078 gmplibs="$gmplibs $with_gmp_dir/_libs/libgmp.a"
1080 # One of the later tests will catch the error if neither library is present.
1082 gmplibs="$gmplibs -lgmp"
1085 AC_ARG_WITH(gmp, [ --with-gmp=PATH Specify directory for installed GMP library])
1087 if test "x$with_gmp" != x; then
1088 gmplibs="-L$with_gmp/lib $gmplibs"
1089 gmpinc="-I$with_gmp/include $gmpinc"
1092 saved_CFLAGS="$CFLAGS"
1093 CFLAGS="$CFLAGS $gmpinc"
1094 # Check GMP actually works
1095 AC_MSG_CHECKING([for correct version of gmp.h])
1096 AC_TRY_COMPILE([#include "gmp.h"],[
1097 #if __GNU_MP_VERSION < 3
1100 ], [AC_MSG_RESULT([yes])],
1101 [AC_MSG_RESULT([no]); have_gmp=no])
1103 if test x"$have_gmp" = xyes; then
1104 AC_MSG_CHECKING([for MPFR])
1107 LIBS="$LIBS $gmplibs"
1108 AC_TRY_LINK([#include <gmp.h>
1109 #include <mpfr.h>], [mpfr_t n; mpfr_init(n);],
1110 [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1112 CFLAGS="$saved_CFLAGS"
1115 # Flags needed for both GMP and/or MPFR
1119 # By default, C is the only stage 1 language.
1121 AC_SUBST(stage1_languages)
1123 # Figure out what language subdirectories are present.
1124 # Look if the user specified --enable-languages="..."; if not, use
1125 # the environment variable $LANGUAGES if defined. $LANGUAGES might
1127 # NB: embedded tabs in this IF block -- do not untabify
1128 if test -d ${srcdir}/gcc; then
1129 if test x"${enable_languages+set}" != xset; then
1130 if test x"${LANGUAGES+set}" = xset; then
1131 enable_languages="${LANGUAGES}"
1132 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1134 enable_languages=all
1137 if test x"${enable_languages}" = x ||
1138 test x"${enable_languages}" = xyes;
1140 echo configure.in: --enable-languages needs at least one language argument 1>&2
1144 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1146 # 'fortran' is a compatibility name for 'f95'. We issue a warning and
1147 # make the substitution.
1148 case ,${enable_languages}, in
1150 echo configure.in: warning: the official name for 'fortran' on this branch is 'f95' 1>&2
1151 enable_languages=`echo "${enable_languages}" | sed -e 's/fortran/f95/g'`
1155 # First scan to see if an enabled language requires some other language.
1156 # We assume that a given config-lang.in will list all the language
1157 # front ends it requires, even if some are required indirectly.
1158 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1159 case ${lang_frag} in
1161 # The odd quoting in the next line works around
1162 # an apparent bug in bash 1.12 on linux.
1163 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1165 # From the config-lang.in, get $language, $lang_requires
1169 for other in ${lang_requires} ; do
1170 case ,${enable_languages}, in
1174 echo " \`$other' language required by \`$language'; enabling" 1>&2
1175 enable_languages="${enable_languages},${other}"
1183 new_enable_languages=c
1184 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
1185 potential_languages=c
1187 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1188 case ${lang_frag} in
1190 # The odd quoting in the next line works around
1191 # an apparent bug in bash 1.12 on linux.
1192 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1194 # From the config-lang.in, get $language, $target_libs,
1195 # $lang_dirs, $boot_language, and $build_by_default
1203 potential_languages="${potential_languages},${language}"
1204 # This is quite sensitive to the ordering of the case statement arms.
1205 case ,${enable_languages},:${language}:${have_gnat}:${build_by_default} in
1207 echo "${lang_frag} doesn't set \$language." 1>&2
1211 # Ada was requested with no preexisting GNAT. Disable unconditionally.
1214 *,${language},*:*:*:*)
1215 # Language was explicitly selected; include it.
1219 # 'all' was selected, but this is not a default language
1220 # so do not include it.
1224 # 'all' was selected and this is a default language; include it.
1232 # Disable languages that need GMP if it isn't available.
1233 case ,${enable_languages},:${have_gmp}:${need_gmp} in
1234 *,${language},*:no:yes)
1235 # Specifically requested language; tell them.
1236 AC_MSG_ERROR([GMP with MPFR support is required to build $language])
1244 case $add_this_lang in
1246 # Remove language-dependent dirs.
1247 eval noconfigdirs='"$noconfigdirs "'\"$target_libs $lang_dirs\"
1250 new_enable_languages="$new_enable_languages,$language"
1251 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
1252 case ${boot_language} in
1254 # Add to (comma-separated) list of stage 1 languages.
1255 stage1_languages="${stage1_languages},${language}"
1264 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
1265 if test "x$missing_languages" != x; then
1267 The following requested languages were not found: ${missing_languages}
1268 The available languages are: ${potential_languages}])
1271 if test "x$new_enable_languages" != "x$enable_languages"; then
1272 echo The following languages will be built: ${new_enable_languages}
1274 enable_languages="$new_enable_languages"
1275 ac_configure_args=`echo " $ac_configure_args" | sed -e 's/ --enable-languages=[[^ ]]*//' -e 's/$/ --enable-languages='"$enable_languages"/ `
1278 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
1279 # $build_configdirs and $target_configdirs.
1280 # If we have the source for $noconfigdirs entries, add them to $notsupp.
1283 for dir in . $skipdirs $noconfigdirs ; do
1284 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
1285 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1286 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
1287 if test -r $srcdir/$dirname/configure ; then
1288 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1291 notsupp="$notsupp $dir"
1295 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1296 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"`
1297 if test -r $srcdir/$dirname/configure ; then
1298 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1301 notsupp="$notsupp $dir"
1305 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1306 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
1307 if test -r $srcdir/$dirname/configure ; then
1308 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1311 notsupp="$notsupp $dir"
1317 # Sometimes the tools are distributed with libiberty but with no other
1318 # libraries. In that case, we don't want to build target-libiberty.
1319 if test -n "${target_configdirs}" ; then
1321 for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do
1322 if test "$i" != "libiberty" ; then
1323 if test -r $srcdir/$i/configure ; then
1329 if test -z "${others}" ; then
1334 # Quietly strip out all directories which aren't configurable in this tree.
1335 # This relies on all configurable subdirectories being autoconfiscated, which
1337 build_configdirs_all="$build_configdirs"
1339 for i in ${build_configdirs_all} ; do
1340 j=`echo $i | sed -e s/build-//g`
1341 if test -f ${srcdir}/$j/configure ; then
1342 build_configdirs="${build_configdirs} $i"
1346 configdirs_all="$configdirs"
1348 for i in ${configdirs_all} ; do
1349 if test -f ${srcdir}/$i/configure ; then
1350 configdirs="${configdirs} $i"
1354 target_configdirs_all="$target_configdirs"
1356 for i in ${target_configdirs_all} ; do
1357 j=`echo $i | sed -e s/target-//g`
1358 if test -f ${srcdir}/$j/configure ; then
1359 target_configdirs="${target_configdirs} $i"
1363 # Produce a warning message for the subdirs we can't configure.
1364 # This isn't especially interesting in the Cygnus tree, but in the individual
1365 # FSF releases, it's important to let people know when their machine isn't
1366 # supported by the one or two programs in a package.
1368 if test -n "${notsupp}" && test -z "${norecursion}" ; then
1369 # If $appdirs is non-empty, at least one of those directories must still
1370 # be configured, or we error out. (E.g., if the gas release supports a
1371 # specified target in some subdirs but not the gas subdir, we shouldn't
1372 # pretend that all is well.)
1373 if test -n "$appdirs" ; then
1374 for dir in $appdirs ; do
1375 if test -r $dir/Makefile.in ; then
1376 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1380 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
1386 if test -n "$appdirs" ; then
1387 echo "*** This configuration is not supported by this package." 1>&2
1391 # Okay, some application will build, or we don't care to check. Still
1392 # notify of subdirs not getting built.
1393 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
1394 echo " ${notsupp}" 1>&2
1395 echo " (Any other directories should still work fine.)" 1>&2
1405 # Handle --with-headers=XXX. If the value is not "yes", the contents of
1406 # the named directory are copied to $(tooldir)/sys-include.
1407 if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
1408 if test x${is_cross_compiler} = xno ; then
1409 echo 1>&2 '***' --with-headers is only supported when cross compiling
1412 if test x"${with_headers}" != xyes ; then
1413 case "${exec_prefixoption}" in
1415 *) x=${exec_prefix} ;;
1417 copy_dirs="${copy_dirs} ${with_headers} $x/${target_alias}/sys-include"
1421 # Handle --with-libs=XXX. If the value is not "yes", the contents of
1422 # the name directories are copied to $(tooldir)/lib. Multiple directories
1424 if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
1425 if test x${is_cross_compiler} = xno ; then
1426 echo 1>&2 '***' --with-libs is only supported when cross compiling
1429 if test x"${with_libs}" != xyes ; then
1430 # Copy the libraries in reverse order, so that files in the first named
1431 # library override files in subsequent libraries.
1432 case "${exec_prefixoption}" in
1434 *) x=${exec_prefix} ;;
1436 for l in ${with_libs}; do
1437 copy_dirs="$l $x/${target_alias}/lib ${copy_dirs}"
1442 # Handle ${copy_dirs}
1443 set fnord ${copy_dirs}
1445 while test $# != 0 ; do
1446 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
1449 echo Copying $1 to $2
1451 # Use the install script to create the directory and all required
1452 # parent directories.
1453 if test -d $2 ; then
1457 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
1460 # Copy the directory, assuming we have tar.
1461 # FIXME: Should we use B in the second tar? Not all systems support it.
1462 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
1464 # It is the responsibility of the user to correctly adjust all
1465 # symlinks. If somebody can figure out how to handle them correctly
1466 # here, feel free to add the code.
1473 extra_arflags_for_target=
1474 extra_nmflags_for_target=
1475 extra_ranlibflags_for_target=
1476 target_makefile_frag=/dev/null
1479 target_makefile_frag="config/mt-netware"
1481 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu)
1482 target_makefile_frag="config/mt-gnu"
1484 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
1485 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
1486 # commands to handle both 32-bit and 64-bit objects. These flags are
1487 # harmless if we're using GNU nm or ar.
1488 extra_arflags_for_target=" -X32_64"
1489 extra_nmflags_for_target=" -B -X32_64"
1492 # ranlib from Darwin requires the -c flag to look at common symbols.
1493 extra_ranlibflags_for_target=" -c"
1495 mips*-*-pe | sh*-*-pe | *arm-wince-pe)
1496 target_makefile_frag="config/mt-wince"
1500 alphaieee_frag=/dev/null
1503 # This just makes sure to use the -mieee option to build target libs.
1504 # This should probably be set individually by each library.
1505 alphaieee_frag="config/mt-alphaieee"
1509 # If --enable-target-optspace always use -Os instead of -O2 to build
1510 # the target libraries, similarly if it is not specified, use -Os
1511 # on selected platforms.
1512 ospace_frag=/dev/null
1513 case "${enable_target_optspace}:${target}" in
1515 ospace_frag="config/mt-ospace"
1518 ospace_frag="config/mt-d30v"
1520 :m32r-* | :d10v-* | :fr30-*)
1521 ospace_frag="config/mt-ospace"
1526 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
1530 # Set with_gnu_as and with_gnu_ld as appropriate.
1532 # This is done by determining whether or not the appropriate directory
1533 # is available, and by checking whether or not specific configurations
1534 # have requested that this magic not happen.
1536 # The command line options always override the explicit settings in
1537 # configure.in, and the settings in configure.in override this magic.
1539 # If the default for a toolchain is to use GNU as and ld, and you don't
1540 # want to do that, then you should use the --without-gnu-as and
1541 # --without-gnu-ld options for the configure script.
1543 if test x${use_gnu_as} = x &&
1544 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
1546 extra_host_args="$extra_host_args --with-gnu-as"
1549 if test x${use_gnu_ld} = x &&
1550 echo " ${configdirs} " | grep " ld " > /dev/null 2>&1 ; then
1552 extra_host_args="$extra_host_args --with-gnu-ld"
1555 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
1556 # can detect this case.
1558 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
1560 extra_host_args="$extra_host_args --with-newlib"
1563 # Default to using --with-stabs for certain targets.
1564 if test x${with_stabs} = x ; then
1566 mips*-*-irix[[56]]*)
1568 mips*-*-* | alpha*-*-osf*)
1570 extra_host_args="${extra_host_args} --with-stabs"
1575 # hpux11 in 64bit mode has libraries in a weird place. Arrange to find
1576 # them automatically.
1579 extra_host_args="$extra_host_args -x-libraries=/usr/lib/pa20_64 -x-includes=/usr/X11R6/include"
1583 # Some systems (e.g., one of the i386-aix systems the gas testers are
1584 # using) don't handle "\$" correctly, so don't use it here.
1585 tooldir='${exec_prefix}'/${target_alias}
1586 build_tooldir=${tooldir}
1588 # Generate default definitions for YACC, M4, LEX and other programs that run
1589 # on the build machine. These are used if the Makefile can't locate these
1590 # programs in objdir.
1591 MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
1592 AC_CHECK_PROGS([CONFIGURED_BISON], [bison], [$MISSING bison])
1593 AC_CHECK_PROGS([CONFIGURED_YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
1594 AC_CHECK_PROGS([CONFIGURED_M4], [gm4 gnum4 m4], [$MISSING m4])
1595 AC_CHECK_PROGS([CONFIGURED_FLEX], [flex], [$MISSING flex])
1596 AC_CHECK_PROGS([CONFIGURED_LEX], [flex lex], [$MISSING flex])
1597 AC_CHECK_PROGS([CONFIGURED_MAKEINFO], makeinfo, [$MISSING makeinfo])
1599 # Create a .gdbinit file which runs the one in srcdir
1600 # and tells GDB to look there for source files.
1602 if test -r ${srcdir}/.gdbinit ; then
1605 *) cat > ./.gdbinit <<EOF
1609 source ${srcdir}/.gdbinit
1615 # Make sure that the compiler is able to generate an executable. If it
1616 # can't, we are probably in trouble. We don't care whether we can run the
1617 # executable--we might be using a cross compiler--we only care whether it
1618 # can be created. At this point the main configure script has set CC.
1620 echo "int main () { return 0; }" > conftest.c
1621 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
1622 if test $? = 0 ; then
1623 if test -s conftest || test -s conftest.exe ; then
1629 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
1630 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
1637 # The Solaris /usr/ucb/cc compiler does not appear to work.
1639 sparc-sun-solaris2*)
1640 CCBASE="`echo ${CC-cc} | sed 's/ .*$//'`"
1641 if test "`type $CCBASE | sed 's/^[[^/]]*//'`" = "/usr/ucb/cc" ; then
1643 test -d /opt/SUNWspro/bin && could_use="/opt/SUNWspro/bin"
1644 if test -d /opt/cygnus/bin ; then
1645 if test "$could_use" = "" ; then
1646 could_use="/opt/cygnus/bin"
1648 could_use="$could_use or /opt/cygnus/bin"
1651 if test "$could_use" = "" ; then
1652 echo "Warning: compilation may fail because you're using"
1653 echo "/usr/ucb/cc. You should change your PATH or CC "
1654 echo "variable and rerun configure."
1656 echo "Warning: compilation may fail because you're using"
1657 echo "/usr/ucb/cc, when you should use the C compiler from"
1658 echo "$could_use. You should change your"
1659 echo "PATH or CC variable and rerun configure."
1665 # If no --enable-shared nor --disable-shared is specified, we set up
1666 # LD_LIBRARY_PATH when we build for gcc.
1667 case $enable_shared in
1669 if test -d ${srcdir}/gcc; then
1676 set_lib_path=$enable_shared
1680 # If --enable-shared was set, we must set LD_LIBRARY_PATH so that the
1681 # binutils tools will find libbfd.so.
1682 case "${set_lib_path}" in
1683 no) SET_LIB_PATH= ;;
1684 *) SET_LIB_PATH="\$(REALLY_SET_LIB_PATH)" ;;
1688 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
1689 *-*-darwin* | *-*-rhapsody* ) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;;
1690 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
1693 # Record target_configdirs and the configure arguments for target and
1694 # build configuration in Makefile.
1695 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
1696 build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
1698 # Determine whether gdb needs tk/tcl or not.
1699 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
1700 # and in that case we want gdb to be built without tk. Ugh!
1701 # In fact I believe gdb is the *only* package directly dependent on tk,
1702 # so we should be able to put the 'maybe's in unconditionally and
1703 # leave out the maybe dependencies when enable_gdbtk is false. I'm not
1704 # 100% sure that that's safe though.
1706 gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
1707 case "$enable_gdbtk" in
1711 GDB_TK="${gdb_tk}" ;;
1713 # Only add the dependency on gdbtk when GDBtk is part of the gdb
1714 # distro. Eventually someone will fix this and move Insight, nee
1715 # gdbtk to a separate directory.
1716 if test -d ${srcdir}/gdb/gdbtk ; then
1724 # Strip out unwanted targets.
1726 # While at that, we remove Makefiles if we were started for recursive
1727 # configuration, so that the top-level Makefile reconfigures them,
1728 # like we used to do when configure itself was recursive.
1730 # Loop over modules. $extrasub must be used with care, limiting as
1731 # much as possible the usage of range addresses. That's because autoconf
1732 # splits the sed script to overcome limits in the number of commands,
1733 # and relying on carefully-timed sed passes may turn out to be very hard
1734 # to maintain later. In this particular case, you just have to be careful
1735 # not to nest @if/@endif pairs, because configure will not warn you at all.
1737 AC_ARG_ENABLE([bootstrap],
1738 [ --enable-bootstrap[=lean] Enable bootstrapping [no]],,
1739 enable_bootstrap=default)
1741 # Issue errors and warnings for invalid/strange bootstrap combinations.
1742 case "$configdirs" in
1743 *gcc*) have_compiler=yes ;;
1744 *) have_compiler=no ;;
1747 case "$have_compiler:$host:$target:$enable_bootstrap" in
1750 # Default behavior. (We'll) enable bootstrap if we have a compiler
1751 # and we are in a native configuration.
1752 yes:$build:$build:default)
1753 # This will become 'yes'
1754 enable_bootstrap=no ;;
1757 enable_bootstrap=no ;;
1759 # We have a compiler and we are in a native configuration, bootstrap is ok
1760 yes:$build:$build:yes | yes:$build:$build:lean)
1763 # Other configurations, but we have a compiler. Assume the user knows
1765 yes:*:*:yes | yes:*:*:lean)
1766 AC_MSG_WARN([trying to bootstrap a cross compiler])
1769 # No compiler: if they passed --enable-bootstrap explicitly, fail
1770 no:*:*:yes | no:*:*:lean)
1771 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
1773 # Fail if wrong command line
1775 AC_MSG_ERROR([invalid option for --enable-bootstrap])
1779 # Adjust the toplevel makefile according to whether bootstrap was selected.
1780 case "$enable_bootstrap" in
1783 default_target=bootstrap
1784 bootstrap_suffix=bootstrap ;;
1787 default_target=bootstrap
1788 bootstrap_suffix=bootstrap ;;
1791 bootstrap_suffix=no-bootstrap ;;
1793 AC_SUBST(bootstrap_lean)
1794 AC_SUBST(default_target)
1796 for module in ${build_configdirs} ; do
1797 if test -z "${no_recursion}" \
1798 && test -f ${build_subdir}/${module}/Makefile; then
1799 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
1800 rm -f ${build_subdir}/${module}/Makefile
1803 /^@if build-$module\$/d
1804 /^@endif build-$module\$/d
1805 /^@if build-$module-$bootstrap_suffix\$/d
1806 /^@endif build-$module-$bootstrap_suffix\$/d"
1808 for module in ${configdirs} ; do
1809 if test -z "${no_recursion}" \
1810 && test -f ${module}/Makefile; then
1811 echo 1>&2 "*** removing ${module}/Makefile to force reconfigure"
1812 rm -f ${module}/Makefile
1816 /^@endif $module\$/d
1817 /^@if $module-$bootstrap_suffix\$/d
1818 /^@endif $module-$bootstrap_suffix\$/d"
1820 for module in ${target_configdirs} ; do
1821 if test -z "${no_recursion}" \
1822 && test -f ${target_subdir}/${module}/Makefile; then
1823 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
1824 rm -f ${target_subdir}/${module}/Makefile
1827 /^@if target-$module\$/d
1828 /^@endif target-$module\$/d
1829 /^@if target-$module-$bootstrap_suffix\$/d
1830 /^@endif target-$module-$bootstrap_suffix\$/d"
1834 /^@if /,/^@endif /d"
1836 # Create the serialization dependencies. This uses a temporary file.
1838 AC_ARG_ENABLE([serial-configure],
1839 [ --enable-serial-[{host,target,build}-]configure
1840 Force sequential configuration of
1841 sub-packages for the host, target or build
1842 machine, or all sub-packages])
1844 case ${enable_serial_configure} in
1846 enable_serial_build_configure=yes
1847 enable_serial_host_configure=yes
1848 enable_serial_target_configure=yes
1852 # These force 'configure's to be done one at a time, to avoid problems
1853 # with contention over a shared config.cache.
1855 echo '# serdep.tmp' > serdep.tmp
1857 test "x${enable_serial_build_configure}" = xyes &&
1858 for item in ${build_configdirs} ; do
1861 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
1866 test "x${enable_serial_host_configure}" = xyes &&
1867 for item in ${configdirs} ; do
1870 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
1875 test "x${enable_serial_target_configure}" = xyes &&
1876 for item in ${target_configdirs} ; do
1879 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
1883 serialization_dependencies=serdep.tmp
1884 AC_SUBST_FILE(serialization_dependencies)
1886 # Base args. Strip norecursion, cache-file, srcdir, host, build,
1887 # target and nonopt. These are the ones we might not want to pass
1888 # down to subconfigures. Also strip program-prefix, program-suffix,
1889 # and program-transform-name, so that we can pass down a consistent
1890 # program-transform-name. If autoconf has put single quotes around
1891 # any of these arguments (because they contain shell metacharacters)
1892 # then this will fail; in practice this only happens for
1893 # --program-transform-name, so be sure to override --program-transform-name
1894 # at the end of the argument list.
1895 # These will be expanded by make, so quote '$'.
1896 cat <<\EOF_SED > conftestsed
1898 s/ --c[[a-z-]]*[[= ]][[^ ]]*//g
1899 s/ --sr[[a-z-]]*[[= ]][[^ ]]*//g
1900 s/ --ho[[a-z-]]*[[= ]][[^ ]]*//g
1901 s/ --bu[[a-z-]]*[[= ]][[^ ]]*//g
1902 s/ --t[[a-z-]]*[[= ]][[^ ]]*//g
1903 s/ --program-[[pst]][[a-z-]]*[[= ]][[^ ]]*//g
1904 s/ -cache-file[[= ]][[^ ]]*//g
1905 s/ -srcdir[[= ]][[^ ]]*//g
1906 s/ -host[[= ]][[^ ]]*//g
1907 s/ -build[[= ]][[^ ]]*//g
1908 s/ -target[[= ]][[^ ]]*//g
1909 s/ -program-prefix[[= ]][[^ ]]*//g
1910 s/ -program-suffix[[= ]][[^ ]]*//g
1911 s/ -program-transform-name[[= ]][[^ ]]*//g
1912 s/ [[^' -][^ ]*] / /
1916 sed -f conftestsed <<EOF_SED > conftestsed.out
1917 ${ac_configure_args}
1919 baseargs=`cat conftestsed.out`
1920 rm -f conftestsed conftestsed.out
1922 # Add in --program-transform-name, after --program-prefix and
1923 # --program-suffix have been applied to it. Autoconf has already
1924 # doubled dollar signs and backslashes in program_transform_name; we want
1925 # the backslashes un-doubled, and then the entire thing wrapped in single
1926 # quotes, because this will be expanded first by make and then by the shell.
1927 # Also, because we want to override the logic in subdir configure scripts to
1928 # choose program_transform_name, replace any s,x,x, with s,y,y,.
1929 sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
1930 ${program_transform_name}
1932 gcc_transform_name=`cat conftestsed.out`
1933 rm -f conftestsed.out
1934 baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
1936 # For the build-side libraries, we just need to pretend we're native,
1937 # and not use the same cache file. Multilibs are neither needed nor
1939 build_configargs="--cache-file=../config.cache --build=${build_alias} --host=${build_alias} --target=${target_alias} ${baseargs}"
1941 # For host modules, accept cache file option, or specification as blank.
1942 case "${cache_file}" in
1944 cache_file_option="" ;;
1945 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
1946 cache_file_option="--cache-file=${cache_file}" ;;
1948 cache_file_option="--cache-file=../${cache_file}" ;;
1951 # Host dirs don't like to share a cache file either, horribly enough.
1952 # This seems to be due to autoconf 2.5x stupidity.
1953 host_configargs="--cache-file=./config.cache --build=${build_alias} --host=${host_alias} --target=${target_alias} ${extra_host_args} ${baseargs}"
1955 target_configargs=${baseargs}
1957 # Passing a --with-cross-host argument lets the target libraries know
1958 # whether they are being built with a cross-compiler or being built
1959 # native. However, it would be better to use other mechanisms to make the
1960 # sorts of decisions they want to make on this basis. Please consider
1961 # this option to be deprecated. FIXME.
1962 if test x${is_cross_compiler} = xyes ; then
1963 target_configargs="--with-cross-host=${host_alias} ${target_configargs}"
1966 # Default to --enable-multilib.
1967 if test x${enable_multilib} = x ; then
1968 target_configargs="--enable-multilib ${target_configargs}"
1971 # Pass --with-newlib if appropriate. Note that target_configdirs has
1972 # changed from the earlier setting of with_newlib.
1973 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
1974 target_configargs="--with-newlib ${target_configargs}"
1977 # Different target subdirs use different values of certain variables
1978 # (notably CXX). Worse, multilibs use *lots* of different values.
1979 # Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
1980 # it doesn't automatically accept command-line overrides of them.
1981 # This means it's not safe for target subdirs to share a cache file,
1982 # which is disgusting, but there you have it. Hopefully this can be
1983 # fixed in future. It's still worthwhile to use a cache file for each
1984 # directory. I think.
1986 # Pass the appropriate --host, --build, and --cache-file arguments.
1987 target_configargs="--cache-file=./config.cache --host=${target_alias} --build=${build_alias} ${target_configargs}"
1989 # provide a proper gxx_include_dir.
1990 TL_AC_GXX_INCLUDE_DIR
1993 case " $target_configdirs " in
1995 case " $target_configargs " in
1996 *" --with-newlib "*)
1999 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 $$s/winsup/w32api/include' ;;
2002 # If we're not building GCC, don't discard standard headers.
2003 if test -d ${srcdir}/gcc; then
2004 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
2006 if test "${build}" != "${host}"; then
2007 # On Canadian crosses, CC_FOR_TARGET will have already been set
2008 # by `configure', so we won't have an opportunity to add -Bgcc/
2009 # to it. This is right: we don't want to search that directory
2010 # for binaries, but we want the header files in there, so add
2012 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/gcc/include'
2014 # Someone might think of using the pre-installed headers on
2015 # Canadian crosses, in case the installed compiler is not fully
2016 # compatible with the compiler being built. In this case, it
2017 # would be better to flag an error than risking having
2018 # incompatible object files being constructed. We can't
2019 # guarantee that an error will be flagged, but let's hope the
2020 # compiler will do it, when presented with incompatible header
2025 case "${target}-${is_cross_compiler}" in
2026 i[[3456789]]86-*-linux*-no)
2027 # Here host == target, so we don't need to build gcc,
2028 # so we don't want to discard standard headers.
2029 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
2032 # If we're building newlib, use its generic headers last, but search
2033 # for any libc-related directories first (so make it the last -B
2035 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
2043 # Allow the user to override the flags for
2044 # our build compiler if desired.
2045 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
2047 # On Canadian crosses, we'll be searching the right directories for
2048 # the previously-installed cross compiler, so don't bother to add
2049 # flags for directories within the install tree of the compiler
2050 # being built; programs in there won't even run.
2051 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
2052 # Search for pre-installed headers if nothing else fits.
2053 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
2056 if test "x${use_gnu_ld}" = x &&
2057 echo " ${configdirs} " | grep " ld " > /dev/null ; then
2058 # Arrange for us to find uninstalled linker scripts.
2059 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/ld'
2062 if test "x${CC_FOR_TARGET+set}" = xset; then
2064 elif test -d ${srcdir}/gcc; then
2065 CC_FOR_TARGET='$$r/gcc/xgcc -B$$r/gcc/'
2066 elif test "$host" = "$target"; then
2067 CC_FOR_TARGET='$(CC)'
2069 CC_FOR_TARGET=`echo gcc | sed "${program_transform_name}"`
2071 CC_FOR_TARGET=$CC_FOR_TARGET' $(FLAGS_FOR_TARGET)'
2073 if test "x${GCJ_FOR_TARGET+set}" = xset; then
2075 elif test -d ${srcdir}/gcc; then
2076 GCJ_FOR_TARGET='$$r/gcc/gcj -B$$r/gcc/'
2077 elif test "$host" = "$target"; then
2078 GCJ_FOR_TARGET='gcj'
2080 GCJ_FOR_TARGET=`echo gcj | sed "${program_transform_name}"`
2082 GCJ_FOR_TARGET=$GCJ_FOR_TARGET' $(FLAGS_FOR_TARGET)'
2084 if test "x${GFORTRAN_FOR_TARGET+set}" = xset; then
2086 elif test -d ${srcdir}/gcc; then
2087 GFORTRAN_FOR_TARGET='$$r/gcc/gfortran -B$$r/gcc/'
2088 elif test "$host" = "$target"; then
2089 GFORTRAN_FOR_TARGET='gfortran'
2091 GFORTRAN_FOR_TARGET=`echo gfortran | sed "${program_transform_name}"`
2093 case $GFORTRAN_FOR_TARGET in
2094 *' $(FLAGS_FOR_TARGET)') ;;
2095 *) GFORTRAN_FOR_TARGET=$GFORTRAN_FOR_TARGET' $(FLAGS_FOR_TARGET)' ;;
2098 # Don't use libstdc++-v3's flags to configure/build itself.
2099 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'
2100 raw_libstdcxx_flags='-L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs'
2102 if test "x${CXX_FOR_TARGET+set}" = xset; then
2103 if test "x${RAW_CXX_FOR_TARGET+set}" != xset; then
2104 RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
2106 elif test -d ${srcdir}/gcc; then
2107 # We add -shared-libgcc to CXX_FOR_TARGET whenever we use xgcc instead
2108 # of g++ for linking C++ or Java, because g++ has -shared-libgcc by
2109 # default whereas gcc does not.
2110 # RAW_CXX_FOR_TARGET is for linking C++ or java; CXX_FOR_TARGET is for
2112 CXX_FOR_TARGET='$$r/gcc/g++ -B$$r/gcc/ -nostdinc++ '$libstdcxx_flags
2113 RAW_CXX_FOR_TARGET='$$r/gcc/xgcc -shared-libgcc -B$$r/gcc/ -nostdinc++ '$raw_libstdcxx_flags
2114 elif test "$host" = "$target"; then
2115 CXX_FOR_TARGET='$(CXX)'
2116 RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
2118 CXX_FOR_TARGET=`echo c++ | sed "${program_transform_name}"`
2119 RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
2121 CXX_FOR_TARGET=$CXX_FOR_TARGET' $(FLAGS_FOR_TARGET)'
2122 RAW_CXX_FOR_TARGET=$RAW_CXX_FOR_TARGET' $(FLAGS_FOR_TARGET)'
2124 qCXX_FOR_TARGET=`echo "$CXX_FOR_TARGET" | sed 's,[[&%]],\\\&,g'`
2125 qRAW_CXX_FOR_TARGET=`echo "$RAW_CXX_FOR_TARGET" | sed 's,[[&%]],\\\&,g'`
2127 # We want to defer the evaluation of `cmd`s and shell variables in
2128 # CXX_FOR_TARGET when recursing in the top-level Makefile, such as for
2129 # bootstrap. We'll enclose CXX_FOR_TARGET_FOR_RECURSIVE_MAKE in single
2130 # quotes, but we still have to duplicate `$'s so that shell variables
2131 # can be expanded by the nested make as shell variables, not as make
2133 qqCXX_FOR_TARGET=`echo "$qCXX_FOR_TARGET" | sed -e 's,[[$]][[$]],$$$$,g'`
2134 qqRAW_CXX_FOR_TARGET=`echo "$qRAW_CXX_FOR_TARGET" | sed -e 's,[[$]][[$]],$$$$,g'`
2136 # Wrap CC_FOR_TARGET and friends, for certain types of builds.
2137 CC_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${CC_FOR_TARGET}"
2138 GCJ_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${GCJ_FOR_TARGET}"
2139 GFORTRAN_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${GFORTRAN_FOR_TARGET}"
2140 CXX_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${qCXX_FOR_TARGET}"
2141 RAW_CXX_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${qRAW_CXX_FOR_TARGET}"
2142 CXX_FOR_TARGET_FOR_RECURSIVE_MAKE="\$(STAGE_CC_WRAPPER) ${qqCXX_FOR_TARGET}"
2143 RAW_CXX_FOR_TARGET_FOR_RECURSIVE_MAKE="\$(STAGE_CC_WRAPPER) ${qqRAW_CXX_FOR_TARGET}"
2145 # Makefile fragments.
2146 for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
2148 eval fragval=\$$frag
2149 if test $fragval != /dev/null; then
2150 eval $frag=${srcdir}/$fragval
2153 AC_SUBST_FILE(host_makefile_frag)
2154 AC_SUBST_FILE(target_makefile_frag)
2155 AC_SUBST_FILE(alphaieee_frag)
2156 AC_SUBST_FILE(ospace_frag)
2158 # Miscellanea: directories, flags, etc.
2159 AC_SUBST(SET_LIB_PATH)
2160 AC_SUBST(RPATH_ENVVAR)
2161 AC_SUBST(BUILD_PREFIX)
2162 AC_SUBST(BUILD_PREFIX_1)
2164 AC_SUBST(build_tooldir)
2167 # Build module lists & subconfigure args.
2168 AC_SUBST(build_configargs)
2169 AC_SUBST(build_configdirs)
2171 # Host module lists & subconfigure args.
2172 AC_SUBST(host_configargs)
2173 AC_SUBST(configdirs)
2175 # Target module lists & subconfigure args.
2176 AC_SUBST(target_configargs)
2177 AC_SUBST(target_configdirs)
2180 AC_SUBST(CC_FOR_BUILD)
2181 AC_SUBST(config_shell)
2184 NCN_STRICT_CHECK_TOOL(AR, ar)
2185 NCN_STRICT_CHECK_TOOL(AS, as)
2186 NCN_STRICT_CHECK_TOOL(DLLTOOL, dlltool)
2187 NCN_STRICT_CHECK_TOOL(LD, ld)
2188 NCN_STRICT_CHECK_TOOL(NM, nm)
2189 NCN_STRICT_CHECK_TOOL(RANLIB, ranlib, :)
2190 NCN_STRICT_CHECK_TOOL(WINDRES, windres)
2191 NCN_STRICT_CHECK_TOOL(OBJCOPY, objcopy)
2192 NCN_STRICT_CHECK_TOOL(OBJDUMP, objdump)
2196 AC_SUBST(CFLAGS_FOR_BUILD)
2200 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_AR_FOR_TARGET, ar)
2201 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_AS_FOR_TARGET, as)
2202 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_DLLTOOL_FOR_TARGET, dlltool)
2203 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_LD_FOR_TARGET, ld)
2204 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_NM_FOR_TARGET, nm)
2205 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_RANLIB_FOR_TARGET, ranlib, :)
2206 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_WINDRES_FOR_TARGET, windres)
2208 AC_SUBST(GCC_FOR_TARGET)
2209 AC_SUBST(FLAGS_FOR_TARGET)
2210 AC_SUBST(CC_FOR_TARGET)
2211 AC_SUBST(GCJ_FOR_TARGET)
2212 AC_SUBST(GFORTRAN_FOR_TARGET)
2213 AC_SUBST(CXX_FOR_TARGET)
2214 AC_SUBST(RAW_CXX_FOR_TARGET)
2215 AC_SUBST(CXX_FOR_TARGET_FOR_RECURSIVE_MAKE)
2216 AC_SUBST(RAW_CXX_FOR_TARGET_FOR_RECURSIVE_MAKE)
2218 # Fix up target tools.
2219 if test "x${build}" = "x${host}" ; then
2220 # In this case, the newly built tools can and should be used,
2221 # so we override the results of the autoconf tests.
2222 # This should really only happen when the tools are actually being built,
2223 # but that's a further refinement. The new build scheme, where
2224 # tools are built into a structure paralleling where they're installed,
2225 # should also eliminate all of this cleanly.
2226 AR_FOR_TARGET="\$(USUAL_AR_FOR_TARGET)"
2227 AS_FOR_TARGET="\$(USUAL_AS_FOR_TARGET)"
2228 DLLTOOL_FOR_TARGET="\$(USUAL_DLLTOOL_FOR_TARGET)"
2229 LD_FOR_TARGET="\$(USUAL_LD_FOR_TARGET)"
2230 NM_FOR_TARGET="\$(USUAL_NM_FOR_TARGET)"
2231 RANLIB_FOR_TARGET="\$(USUAL_RANLIB_FOR_TARGET)"
2232 WINDRES_FOR_TARGET="\$(USUAL_WINDRES_FOR_TARGET)"
2234 # Just use the ones we found.
2235 AR_FOR_TARGET="\$(CONFIGURED_AR_FOR_TARGET)"
2236 AS_FOR_TARGET="\$(CONFIGURED_AS_FOR_TARGET)"
2237 DLLTOOL_FOR_TARGET="\$(CONFIGURED_DLLTOOL_FOR_TARGET)"
2238 LD_FOR_TARGET="\$(CONFIGURED_LD_FOR_TARGET)"
2239 NM_FOR_TARGET="\$(CONFIGURED_NM_FOR_TARGET)"
2240 RANLIB_FOR_TARGET="\$(CONFIGURED_RANLIB_FOR_TARGET)"
2241 WINDRES_FOR_TARGET="\$(CONFIGURED_WINDRES_FOR_TARGET)"
2243 AC_SUBST(AR_FOR_TARGET)
2244 AC_SUBST(AS_FOR_TARGET)
2245 AC_SUBST(DLLTOOL_FOR_TARGET)
2246 AC_SUBST(LD_FOR_TARGET)
2247 AC_SUBST(NM_FOR_TARGET)
2248 AC_SUBST(RANLIB_FOR_TARGET)
2249 AC_SUBST(WINDRES_FOR_TARGET)
2251 # Certain tools may need extra flags.
2252 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
2253 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
2254 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
2256 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
2257 AC_ARG_ENABLE(maintainer-mode,
2258 [ --enable-maintainer-mode enable make rules and dependencies not useful
2259 (and sometimes confusing) to the casual installer],
2260 USE_MAINTAINER_MODE=$enableval,
2261 USE_MAINTAINER_MODE=no)
2262 AC_MSG_RESULT($USE_MAINTAINER_MODE)
2263 AC_SUBST(MAINTAINER_MODE_TRUE)
2264 AC_SUBST(MAINTAINER_MODE_FALSE)
2265 if test "$USE_MAINTAINER_MODE" = yes; then
2266 MAINTAINER_MODE_TRUE=
2267 MAINTAINER_MODE_FALSE='#'
2269 MAINTAINER_MODE_TRUE='#'
2270 MAINTAINER_MODE_FALSE=
2272 MAINT=$MAINTAINER_MODE_TRUE
2275 # ---------------------
2276 # GCC bootstrap support
2277 # ---------------------
2279 # Stage specific cflags for build.
2284 yes) stage1_cflags="-g -Wa,-J" ;;
2285 *) stage1_cflags="-g -J" ;;
2288 # The spiffy cpp-precomp chokes on some legitimate constructs in GCC
2289 # sources; use -no-cpp-precomp to get to GNU cpp.
2290 # Apple's GCC has bugs in designated initializer handling, so disable
2292 stage1_cflags="-g -no-cpp-precomp -DHAVE_DESIGNATED_INITIALIZERS=0"
2295 AC_SUBST(stage1_cflags)
2297 # It makes debugging easier if we create as symlinks the stage directories
2298 # gcc for stageN-gcc and stagePREV-gcc for stage(N-1). In case this is not
2299 # possible, however, we can resort to mv.
2300 AC_CACHE_CHECK([if symbolic links between directories work],
2301 [gcc_cv_prog_ln_s_dir],
2302 [if test "${LN_S}" = "ln -s" \
2303 && mkdir confdir.s1 \
2304 && ln -s confdir.s1 confdir.s2 \
2305 && echo timestamp1 > confdir.s1/conftest.1 \
2306 && cmp confdir.s1/conftest.1 confdir.s2/conftest.1 \
2307 && echo timestamp2 > confdir.s2/conftest.2 \
2308 && cmp confdir.s1/conftest.2 confdir.s1/conftest.2 \
2309 && rm -f confdir.s2; then
2310 gcc_cv_prog_ln_s_dir=yes
2312 gcc_cv_prog_ln_s_dir=yes
2314 rm -rf confdir.s1 confdir.s2])
2316 case ${gcc_cv_prog_ln_s_dir} in
2318 CREATE_LINK_TO_DIR='ln -s $$1 $$2'
2319 UNDO_LINK_TO_DIR='rm -f $$1' ;;
2321 CREATE_LINK_TO_DIR='mv $$1 $$2'
2322 UNDO_LINK_TO_DIR='mv $$1 $$2' ;;
2324 AC_SUBST(CREATE_LINK_TO_DIR)
2325 AC_SUBST(UNDO_LINK_TO_DIR)
2327 # Enable -Werror in bootstrap stage2 and later.
2328 # Change the default to "no" on release branches.
2329 AC_ARG_ENABLE(werror,
2330 [ --enable-werror enable -Werror in bootstrap stage2 and later], [],
2331 [enable_werror=yes])
2332 case ${enable_werror} in
2333 yes) stage2_werror_flag="--enable-werror-always" ;;
2334 *) stage2_werror_flag="" ;;
2336 AC_SUBST(stage2_werror_flag)
2338 # If gcc is built natively with shared library enabled, set
2339 # $RPATH_ENVVAR to make sure the newly built gcc shared librares are
2342 if test -d ${srcdir}/gcc && test x${is_cross_compiler} = xno; then
2343 case "${set_lib_path}" in
2346 eval "d=\$$RPATH_ENVVAR"
2347 if test x"$d" != x; then
2352 SET_GCC_LIB_PATH="\$(RPATH_ENVVAR)=$d; export \$(RPATH_ENVVAR);"
2356 AC_SUBST(SET_GCC_LIB_PATH)