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)
24 AC_INIT(move-if-change)
29 # Get 'install' or 'install-sh' and its variants.
34 ### we might need to use some other shell than /bin/sh for running subshells
35 ### If we are on Windows, search for the shell. This will permit people
36 ### to not have /bin/sh, but to be able to see /SOME/PATH/sh configure
37 ### without also having to set CONFIG_SHELL. This code will work when
38 ### using bash, which sets OSTYPE.
41 if test x${CONFIG_SHELL} = x ; then
42 if test ! -f /bin/sh ; then
43 if test x${SHELL} != x && test -f ${SHELL} ; then
47 for prog in sh sh.exe bash bash.exe; do
48 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
50 test -z "$dir" && dir=.
51 if test -f $dir/$prog; then
52 CONFIG_SHELL=$dir/$prog
58 test -n "${CONFIG_SHELL}" && break
66 config_shell=${CONFIG_SHELL-/bin/sh}
69 # if PWD already has a value, it is probably wrong.
70 if test -n "$PWD" ; then PWD=`${PWDCMD-pwd}`; fi
72 # Export original configure arguments for use by sub-configures. These
73 # will be expanded by make, so quote '$'.
75 sed -e 's,\$,$$,g' <<EOF_SED > conftestsed.out
78 TOPLEVEL_CONFIGURE_ARGUMENTS=`cat conftestsed.out`
80 AC_SUBST(TOPLEVEL_CONFIGURE_ARGUMENTS)
82 moveifchange=${srcdir}/move-if-change
84 srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}`
86 # We pass INSTALL explicitly to sub-makes. Make sure that it is not
88 if test "$INSTALL" = "${srcdir}/install-sh -c"; then
89 INSTALL="${srcpwd}/install-sh -c"
92 # Set srcdir to "." if that's what it is.
93 # This is important for multilib support.
95 if test "${pwd}" = "${srcpwd}" ; then
103 # Define the trigger file to make sure configure will re-run whenever
104 # the gcc version number changes.
105 TL_AC_GCC_VERSION([$topsrcdir])
106 if test -f $gcc_version_trigger ; then
107 case "$ac_configure_args" in
108 *--with-gcc-version-trigger=$gcc_version_trigger* )
111 # Add to all subconfigure arguments: build, host, and target.
112 ac_configure_args="$ac_configure_args --with-gcc-version-trigger=$gcc_version_trigger"
119 ### To add a new directory to the tree, first choose whether it is a target
120 ### or a host dependent tool. Then put it into the appropriate list
121 ### (library or tools, host or target), doing a dependency sort.
123 # Subdirs will be configured in the order listed in build_configdirs,
124 # configdirs, or target_configdirs; see the serialization section below.
126 # Dependency sorting is only needed when *configuration* must be done in
127 # a particular order. In all cases a dependency should be specified in
128 # the Makefile, whether or not it's implicitly specified here.
130 # Double entries in build_configdirs, configdirs, or target_configdirs may
131 # cause circular dependencies and break everything horribly.
133 # these library is used by various programs built for the build
136 build_libs="build-libiberty"
138 # these tools are built for the build environment
139 build_tools="build-texinfo build-byacc build-flex build-bison build-m4 build-fixincludes"
141 # these libraries are used by various programs built for the host environment
143 host_libs="intl mmalloc libiberty opcodes bfd readline tcl tk itcl libgui zlib libcpp"
145 # these tools are built for the host environment
146 # Note, the powerpc-eabi build depends on sim occurring before gdb in order to
147 # know that we are building the simulator.
148 # binutils, gas and ld appear in that order because it makes sense to run
149 # "make check" in that particular order.
150 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"
152 # libgcj represents the runtime libraries only used by gcj.
153 libgcj="target-libffi \
159 # these libraries are built for the target environment, and are built after
160 # the host libraries and the host tools (which may be a cross compiler)
162 target_libraries="target-libiberty \
165 target-libstdc++-v3 \
172 # these tools are built using the target libraries, and are intended to
173 # run only in the target environment
175 # note: any program that *uses* libraries that are in the "target_libraries"
176 # list belongs in this list. those programs are also very likely
177 # candidates for the "native_only" list which follows
179 target_tools="target-examples target-groff target-gperf target-rda"
181 ################################################################################
183 ## All tools belong in one of the four categories, and are assigned above
184 ## We assign ${configdirs} this way to remove all embedded newlines. This
185 ## is important because configure will choke if they ever get through.
186 ## ${configdirs} is directories we build using the host tools.
187 ## ${target_configdirs} is directories we build using the target tools.
188 configdirs=`echo ${host_libs} ${host_tools}`
189 target_configdirs=`echo ${target_libraries} ${target_tools}`
190 build_configdirs=`echo ${build_libs} ${build_tools}`
192 ################################################################################
194 srcname="gnu development package"
196 # This gets set non-empty for some net releases of packages.
199 # Define is_cross_compiler to save on calls to 'test'.
201 if test x"${host}" = x"${target}" ; then
204 is_cross_compiler=yes
207 # Find the build and target subdir names.
210 # Skipdirs are removed silently.
212 # Noconfigdirs are removed loudly.
216 # Make sure we don't let GNU ld be added if we didn't want it.
217 if test x$with_gnu_ld = xno ; then
219 noconfigdirs="$noconfigdirs ld"
223 # Make sure we don't let GNU as be added if we didn't want it.
224 if test x$with_gnu_as = xno ; then
226 noconfigdirs="$noconfigdirs gas"
229 # some tools are so dependent upon X11 that if we're not building with X,
230 # it's not even worth trying to configure, much less build, that tool.
233 yes | "") ;; # the default value for this tree is that X11 is available
235 skipdirs="${skipdirs} tk itcl libgui"
236 # We won't be able to build gdbtk without X.
239 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
242 # Some tools are only suitable for building in a "native" situation.
243 # Remove these if host!=target.
244 native_only="autoconf automake libtool fileutils find gawk gettext gzip hello indent m4 rcs recode sed shellutils tar textutils uudecode wdiff gprof target-groff guile perl time ash bash bzip2 prms gnuserv target-gperf"
246 # Similarly, some are only suitable for cross toolchains.
247 # Remove these if host=target.
248 cross_only="target-libgloss target-newlib target-opcodes"
250 case $is_cross_compiler in
251 no) skipdirs="${skipdirs} ${cross_only}" ;;
252 yes) skipdirs="${skipdirs} ${native_only}" ;;
255 # If both --with-headers and --with-libs are specified, default to
257 if test x"${with_headers}" != x && test x"${with_headers}" != xno \
258 && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
259 if test x"${with_newlib}" = x ; then
264 # Recognize --with-newlib/--without-newlib.
265 case ${with_newlib} in
266 no) skipdirs="${skipdirs} target-newlib" ;;
267 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
270 # Configure extra directories which are host specific
274 configdirs="$configdirs libtermcap" ;;
277 # Remove more programs from consideration, based on the host or
278 # target this usually means that a port of the program doesn't
283 noconfigdirs="$noconfigdirs byacc"
285 i[[3456789]]86-*-vsta)
286 noconfigdirs="$noconfigdirs tcl expect dejagnu make texinfo bison patch flex byacc send-pr gprof uudecode dejagnu diff guile perl itcl gnuserv gettext"
288 i[[3456789]]86-*-go32* | i[[3456789]]86-*-msdosdjgpp*)
289 noconfigdirs="$noconfigdirs tcl tk expect dejagnu send-pr uudecode guile itcl gnuserv libffi"
291 i[[3456789]]86-*-mingw32*)
292 # noconfigdirs="tcl tk expect dejagnu make texinfo bison patch flex byacc send-pr uudecode dejagnu diff guile perl itcl gnuserv"
293 noconfigdirs="$noconfigdirs expect dejagnu autoconf automake send-pr rcs guile perl texinfo libtool"
295 i[[3456789]]86-*-beos*)
296 noconfigdirs="$noconfigdirs tk itcl libgui gdb"
299 noconfigdirs="$noconfigdirs autoconf automake send-pr rcs guile perl"
302 noconfigdirs="$noconfigdirs rcs"
305 noconfigdirs="$noconfigdirs patch diff make tk tcl expect dejagnu autoconf automake texinfo bison send-pr gprof rcs guile perl itcl gnuserv"
308 noconfigdirs="$noconfigdirs tk itcl libgui gdb dejagnu readline"
311 noconfigdirs="$noconfigdirs tk itcl libgui"
316 AC_ARG_ENABLE(libada,
317 [ --enable-libada Builds libada directory],
318 ENABLE_LIBADA=$enableval,
320 if test "${ENABLE_LIBADA}" != "yes" ; then
321 noconfigdirs="$noconfigdirs target-libada"
324 # Save it here so that, even in case of --enable-libgcj, if the Java
325 # front-end isn't enabled, we still get libgcj disabled.
327 case $enable_libgcj in
329 # If we reset it here, it won't get added to noconfigdirs in the
330 # target-specific build rules, so it will be forcibly enabled
331 # (unless the Java language itself isn't enabled).
335 # Make sure we get it printed in the list of not supported target libs.
336 noconfigdirs="$noconfigdirs ${libgcj}"
341 # Allow --disable-libmudflap to exclude target-libmudflap
342 case $enable_libmudflap in
346 noconfigdirs="$noconfigdirs target-libmudflap"
350 *-*-linux*-gnu | *-*-gnu* | *-*-k*bsd*-gnu)
351 # Enable libmudflap by default in GNU and friends.
354 # Enable libmudflap by default in FreeBSD.
357 # Disable it by default everywhere else.
358 noconfigdirs="$noconfigdirs target-libmudflap"
366 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
369 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes gdb gprof"
372 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes gdb gprof"
373 noconfigdirs="$noconfigdirs ${libgcj}"
375 *-*-freebsd[[12]] | *-*-freebsd[[12]].* | *-*-freebsd*aout*)
376 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
379 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
380 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
381 && test -f /usr/local/include/gmp.h; then
385 # Skip some stuff that's unsupported on some FreeBSD configurations.
390 noconfigdirs="$noconfigdirs ${libgcj}"
395 # Remove unsupported stuff on all kaOS configurations.
396 skipdirs="target-libiberty ${libgcj} target-libstdc++-v3 target-librx"
397 skipdirs="$skipdirs target-libobjc target-examples target-groff target-gperf"
398 skipdirs="$skipdirs zlib fastjar target-libjava target-boehm-gc target-zlib"
399 noconfigdirs="$noconfigdirs target-libgloss"
402 # Skip some stuff on all NetBSD configurations.
403 noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss"
405 # Skip some stuff that's unsupported on some NetBSD configurations.
407 i*86-*-netbsdelf*) ;;
408 arm*-*-netbsdelf*) ;;
410 noconfigdirs="$noconfigdirs ${libgcj}"
415 noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss ${libgcj} target-libmudflap"
418 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
421 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-rda ${libgcj}"
424 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libiberty ${libgcj}"
427 # ld works, but does not support shared libraries.
428 # newlib is not 64 bit ready. I'm not sure about fileutils.
429 # gas doesn't generate exception information.
430 noconfigdirs="$noconfigdirs gas ld fileutils target-newlib target-libgloss"
433 noconfigdirs="$noconfigdirs gdb ld target-newlib target-libgloss ${libgcj}"
436 # newlib is not 64 bit ready
437 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
440 # newlib is not 64 bit ready
441 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
444 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
447 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
449 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
450 noconfigdirs="$noconfigdirs ${libgcj}"
451 noconfigdirs="$noconfigdirs target-examples"
452 noconfigdirs="$noconfigdirs target-libiberty texinfo send-pr"
453 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
454 noconfigdirs="$noconfigdirs expect dejagnu"
455 # the C++ libraries don't build on top of CE's C libraries
456 noconfigdirs="$noconfigdirs target-libstdc++-v3"
457 noconfigdirs="$noconfigdirs target-newlib"
459 *-*-cygwin*) ;; # keep gdb and readline
460 *) noconfigdirs="$noconfigdirs gdb readline"
465 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
469 arm-*-coff | strongarm-*-coff | xscale-*-coff)
470 noconfigdirs="$noconfigdirs ${libgcj}"
472 arm-*-elf* | strongarm-*-elf* | xscale-*-elf* | arm*-*-eabi* )
473 noconfigdirs="$noconfigdirs target-libffi target-qthreads"
476 noconfigdirs="$noconfigdirs ${libgcj} target-libiberty"
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 hppa1.1-*-osf* | hppa1.1-*-bsd* )
528 hppa*64*-*-linux* | parisc*64*-*-linux*)
529 # In this case, it's because the hppa64-linux target is for
530 # the kernel only at this point and has no libc, and thus no
531 # headers, crt*.o, etc., all of which are needed by these.
532 noconfigdirs="$noconfigdirs target-zlib"
534 parisc*-*-linux* | hppa*-*-linux*)
540 noconfigdirs="$noconfigdirs ${libgcj}"
543 # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
544 # build on HP-UX 10.20.
545 noconfigdirs="$noconfigdirs ld shellutils ${libgcj}"
548 noconfigdirs="$noconfigdirs ${libgcj} gdb"
551 # No gdb support yet.
552 noconfigdirs="$noconfigdirs readline mmalloc libgui itcl gdb"
555 # No gdb or ld support yet.
556 noconfigdirs="$noconfigdirs ${libgcj} readline mmalloc libgui itcl gdb ld"
560 i[[3456789]]86-*-coff | i[[3456789]]86-*-elf)
561 noconfigdirs="$noconfigdirs ${libgcj}"
563 i[[3456789]]86-*-linux*)
564 # The GCC port for glibc1 has no MD_FALLBACK_FRAME_STATE_FOR, so let's
565 # not build java stuff by default.
568 noconfigdirs="$noconfigdirs ${libgcj}";;
571 # This section makes it possible to build newlib natively on linux.
572 # If we are using a cross compiler then don't configure newlib.
573 if test x${is_cross_compiler} != xno ; then
574 noconfigdirs="$noconfigdirs target-newlib"
576 noconfigdirs="$noconfigdirs target-libgloss"
577 # If we are not using a cross compiler, do configure newlib.
578 # Note however, that newlib will only be configured in this situation
579 # if the --with-newlib option has been given, because otherwise
580 # 'target-newlib' will appear in skipdirs.
582 i[[3456789]]86-*-mingw32*)
583 target_configdirs="$target_configdirs target-mingw"
584 noconfigdirs="$noconfigdirs expect target-libgloss ${libgcj}"
586 # Can't build gdb for mingw32 if not native.
588 i[[3456789]]86-*-mingw32) ;; # keep gdb tcl tk expect etc.
589 *) noconfigdirs="$noconfigdirs gdb tcl tk expect itcl gnuserv"
594 target_configdirs="$target_configdirs target-libtermcap target-winsup"
595 noconfigdirs="$noconfigdirs target-gperf target-libgloss ${libgcj}"
596 # always build newlib if winsup directory is present.
597 if test -d "$srcdir/winsup"; then
598 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
599 elif test -d "$srcdir/newlib"; then
600 echo "Warning: winsup is missing so newlib can't be built."
603 # Can't build gdb for Cygwin if not native.
605 *-*-cygwin*) ;; # keep gdb tcl tk expect etc.
606 *) noconfigdirs="$noconfigdirs gdb tcl tk expect itcl libgui gnuserv"
610 i[[3456789]]86-moss-msdos | i[[3456789]]86-*-moss* | \
611 i[[3456789]]86-*-uwin* | i[[3456789]]86-*-interix* )
614 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
616 i[[3456789]]86-*-sco3.2v5*)
617 # The linker does not yet know about weak symbols in COFF,
618 # and is not configured to handle mixed ELF and COFF.
619 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
621 i[[3456789]]86-*-sco*)
622 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
624 i[[3456789]]86-*-solaris2*)
625 noconfigdirs="$noconfigdirs target-libgloss"
627 i[[3456789]]86-*-sysv4*)
628 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
630 i[[3456789]]86-*-beos*)
631 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
634 noconfigdirs="$noconfigdirs ${libgcj}"
636 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
637 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
640 noconfigdirs="$noconfigdirs ${libgcj}"
643 noconfigdirs="$noconfigdirs ${libgcj}"
646 # The EPOC C++ environment does not support exceptions or rtti,
647 # and so building libstdc++-v3 tends not to always work.
648 noconfigdirs="$noconfigdirs target-libstdc++-v3"
651 noconfigdirs="$noconfigdirs ${libgcj} gdb libgloss target-libgfortran"
654 noconfigdirs="$noconfigdirs ${libgcj}"
657 noconfigdirs="$noconfigdirs ${libgcj}"
660 # copied from rs6000-*-* entry
661 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
663 powerpc*-*-winnt* | powerpc*-*-pe* | ppc*-*-pe)
664 target_configdirs="$target_configdirs target-winsup"
665 noconfigdirs="$noconfigdirs gdb tcl tk make expect target-libgloss itcl gnuserv ${libgcj}"
666 # always build newlib.
667 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
669 # This is temporary until we can link against shared libraries
670 powerpcle-*-solaris*)
671 noconfigdirs="$noconfigdirs gdb sim make tcl tk expect itcl gnuserv ${libgcj}"
674 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
677 noconfigdirs="$noconfigdirs ${libgcj}"
679 powerpc-*-eabi* | powerpcle-*-eabi* | powerpc-*-rtems* )
682 noconfigdirs="$noconfigdirs target-newlib gprof ${libgcj}"
685 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
688 noconfigdirs="$noconfigdirs gprof ${libgcj}"
691 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss ${libgcj}"
694 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
697 # Linking libjava exceeds command-line length limits on at least
698 # IRIX 6.2, but not on IRIX 6.5.
699 # Also, boehm-gc won't build on IRIX 6.5, according to Jeffrey Oldham
700 # <oldham@codesourcery.com>
701 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
704 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
707 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
710 noconfigdirs="$noconfigdirs gprof ${libgcj}" # same as generic mips
713 noconfigdirs="$noconfigdirs target-newlib ${libgcj}"
716 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
719 noconfigdirs="$noconfigdirs gprof ${libgcj}"
722 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes target-libgloss ${libgcj}"
726 i[[3456789]]86-*-vsta) ;; # don't add gprof back in
727 i[[3456789]]86-*-go32*) ;; # don't add gprof back in
728 i[[3456789]]86-*-msdosdjgpp*) ;; # don't add gprof back in
729 *) skipdirs=`echo " ${skipdirs} " | sed -e 's/ gprof / /'` ;;
731 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
734 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
737 noconfigdirs="$noconfigdirs ${libgcj}"
740 noconfigdirs="$noconfigdirs ${libgcj}"
743 noconfigdirs="$noconfigdirs ${libgcj}"
746 noconfigdirs="$noconfigdirs ${libgcj}"
747 if test x${is_cross_compiler} != xno ; then
748 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
753 sparc-*-solaris* | sparc64-*-solaris* | sparcv9-*-solaris*)
756 noconfigdirs="$noconfigdirs bfd binutils gas gcc gdb ld target-libstdc++-v3 opcodes target-libgloss ${libgcj}"
759 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
762 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
765 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
768 noconfigdirs="$noconfigdirs bfd binutils gdb ld target-newlib opcodes target-libgloss ${libgcj}"
771 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
774 noconfigdirs="$noconfigdirs ${libgcj}"
777 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
779 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu)
780 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
783 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
786 noconfigdirs="$noconfigdirs ${libgcj}"
790 # If we aren't building newlib, then don't build libgloss, since libgloss
791 # depends upon some newlib header files.
792 case "${noconfigdirs}" in
793 *target-libgloss*) ;;
794 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
797 # Work in distributions that contain no compiler tools, like Autoconf.
799 host_makefile_frag=/dev/null
800 if test -d ${srcdir}/config ; then
803 # Avoid "too much defining" errors from HPUX compiler.
804 tentative_cc="cc -Wp,-H256000"
805 # If "ar" in $PATH is GNU ar, the symbol table may need rebuilding.
806 # If it's HP/UX ar, this should be harmless.
810 tentative_cc="cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DUSG"
813 #None of the Apollo compilers can compile gas or binutils. The preprocessor
814 # chokes on bfd, the compiler won't let you assign integers to enums, and
815 # other problems. Defining CC to gcc is a questionable way to say "don't use
816 # the apollo compiler" (the preferred version of GCC could be called cc,
817 # or whatever), but I'm not sure leaving CC as cc is any better...
818 #CC=cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DNO_STDARG
819 # Used to have BISON=yacc.
823 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
826 # Under CX/UX, we want to tell the compiler to use ANSI mode.
827 tentative_cc="cc -Xa"
828 host_makefile_frag="config/mh-cxux"
833 tentative_cc="cc -Wf,-XNg1000"
834 host_makefile_frag="config/mh-decstation"
837 # The C compiler on NEC MIPS SVR4 needs bigger tables.
838 tentative_cc="cc -ZXNd=5000 -ZXNg=1000"
839 host_makefile_frag="config/mh-necv4"
842 # Tell compiler to use K&R C. We can't compile under the SGI Ansi
843 # environment. Also bump switch table size so that cp-parse will
844 # compile. Bump string length limit so linker builds.
845 tentative_cc="cc -cckr -Wf,-XNg1500 -Wf,-XNk1000 -Wf,-XNh2000 -Wf,-XNl8192"
848 host_makefile_frag="config/mh-sysv4"
851 # This is for a MIPS running RISC/os 4.52C.
853 # This is needed for GDB, but needs to be in the top-level make because
854 # if a library is compiled with the bsd headers and gets linked with the
855 # sysv system libraries all hell can break loose (e.g. a jmp_buf might be
857 # ptrace(2) apparently has problems in the BSD environment. No workaround is
858 # known except to select the sysv environment. Could we use /proc instead?
859 # These "sysv environments" and "bsd environments" often end up being a pain.
861 # This is not part of CFLAGS because perhaps not all C compilers have this
863 tentative_cc="cc -systype sysv"
868 i[[3456789]]86-*-sysv5*)
869 host_makefile_frag="config/mh-sysv5"
871 i[[3456789]]86-*-dgux*)
872 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
873 host_makefile_frag="config/mh-dgux386"
875 i[[3456789]]86-ncr-sysv4.3*)
876 # The MetaWare compiler will generate a copyright message unless you
877 # turn it off by adding the -Hnocopyr flag.
878 tentative_cc="cc -Hnocopyr"
880 i[[3456789]]86-ncr-sysv4*)
881 # for an NCR 3000 (i486/SVR4) system.
882 # The NCR 3000 ships with a MetaWare compiler installed as /bin/cc.
883 # This compiler not only emits obnoxious copyright messages every time
884 # you run it, but it chokes and dies on a whole bunch of GNU source
885 # files. Default to using the AT&T compiler installed in /usr/ccs/ATT/cc.
886 tentative_cc="/usr/ccs/ATT/cc"
887 host_makefile_frag="config/mh-ncr3000"
889 i[[3456789]]86-*-sco3.2v5*)
891 i[[3456789]]86-*-sco*)
892 # The native C compiler botches some simple uses of const. Unfortunately,
893 # it doesn't defined anything like "__sco__" for us to test for in ansidecl.h.
894 tentative_cc="cc -Dconst="
895 host_makefile_frag="config/mh-sco"
897 i[[3456789]]86-*-udk*)
898 host_makefile_frag="config/mh-sysv5"
900 i[[3456789]]86-*-solaris2*)
901 host_makefile_frag="config/mh-sysv4"
903 i[[3456789]]86-*-msdosdjgpp*)
904 host_makefile_frag="config/mh-djgpp"
907 host_makefile_frag="config/mh-cygwin"
910 host_makefile_frag="config/mh-mingw32"
913 host_makefile_frag="config/mh-interix"
916 # The old BSD pcc isn't up to compiling parts of gdb so use gcc
920 host_makefile_frag="config/mh-solaris"
923 # Sun's C compiler needs the -J flag to be able to compile cp-parse.c
924 # without overflowing the jump tables (-J says to use a 32 bit table)
928 tentative_cc="cc -Wp,-H256000"
931 tentative_cc="cc -Wp,-H256000"
934 # /bin/cc is less than useful for our purposes. Always use GCC
935 tentative_cc="/usr/cygnus/progressive/bin/gcc"
936 host_makefile_frag="config/mh-lynxrs6k"
939 host_makefile_frag="config/mh-ppc-darwin"
942 # /bin/cc is less than useful for our purposes. Always use GCC
943 tentative_cc="/bin/gcc"
946 host_makefile_frag="config/mh-sysv4"
948 # This is placed last to prevent interfering with the cases above.
950 # Build the stage2 and stage3 compilers with -fomit-frame-pointer.
951 host_makefile_frag="config/mh-x86omitfp"
956 # If we aren't going to be using gcc, see if we can extract a definition
957 # of CC from the fragment.
958 # Actually, use the 'pre-extracted' version above.
959 if test -z "${CC}" && test "${build}" = "${host}" ; then
960 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
963 test -z "$dir" && dir=.
964 if test -f $dir/gcc; then
970 if test -z "${found}" && test -n "${tentative_cc}" ; then
975 if test "${build}" != "${host}" ; then
976 # If we are doing a Canadian Cross, in which the host and build systems
977 # are not the same, we set reasonable default values for the tools.
979 CC=${CC-${host_alias}-gcc}
980 CFLAGS=${CFLAGS-"-g -O2"}
981 CXX=${CXX-${host_alias}-c++}
982 CXXFLAGS=${CXXFLAGS-"-g -O2"}
983 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
984 CC_FOR_TARGET=${CC_FOR_TARGET-${target_alias}-gcc}
985 CXX_FOR_TARGET=${CXX_FOR_TARGET-${target_alias}-c++}
986 GCJ_FOR_TARGET=${GCJ_FOR_TARGET-${target_alias}-gcj}
987 GCC_FOR_TARGET=${GCC_FOR_TARGET-${CC_FOR_TARGET-${target_alias}-gcc}}
988 BUILD_PREFIX=${build_alias}-
989 BUILD_PREFIX_1=${build_alias}-
992 # Set reasonable default values for some tools even if not Canadian.
993 # Of course, these are different reasonable default values, originally
994 # specified directly in the Makefile.
995 # We don't export, so that autoconf can do its job.
996 # Note that all these settings are above the fragment inclusion point
997 # in Makefile.in, so can still be overridden by fragments.
998 # This is all going to change when we autoconfiscate...
1000 CC_FOR_BUILD="\$(CC)"
1001 GCC_FOR_TARGET="\$(USUAL_GCC_FOR_TARGET)"
1003 BUILD_PREFIX_1=loser-
1007 # We must set the default linker to the linker used by gcc for the correct
1008 # operation of libtool. If LD is not defined and we are using gcc, try to
1009 # set the LD default to the ld used by gcc.
1010 if test -z "$LD"; then
1011 if test "$GCC" = yes; then
1014 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1016 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1018 case $gcc_prog_ld in
1019 # Accept absolute paths.
1020 [[\\/]* | [A-Za-z]:[\\/]*)]
1021 LD="$gcc_prog_ld" ;;
1027 CFLAGS=${CFLAGS-"-g"}
1028 CXXFLAGS=${CXXFLAGS-"-g -O2"}
1032 ACX_PROG_CMP_IGNORE_INITIAL
1034 # Check for GMP and MPFR
1038 # Specify a location for mpfr
1039 # check for this first so it ends up on the link line before gmp.
1040 AC_ARG_WITH(mpfr-dir, [ --with-mpfr-dir=PATH Specify source directory for MPFR library])
1042 if test "x$with_mpfr_dir" != x; then
1043 gmpinc="-I$with_mpfr_dir/mpfr"
1044 gmplibs="$with_mpfr_dir/libmpfr.a"
1049 AC_ARG_WITH(mpfr, [ --with-mpfr=PATH Specify directory for installed MPFR library])
1051 if test "x$with_mpfr" != x; then
1052 gmplibs="-L$with_mpfr/lib $gmplibs"
1053 gmpinc="-I$with_mpfr/include"
1056 # Specify a location for gmp
1057 AC_ARG_WITH(gmp-dir, [ --with-gmp-dir=PATH Specify source directory for GMP library])
1059 if test "x$with_gmp_dir" != x; then
1060 gmpinc="$gmpinc -I$with_gmp_dir"
1061 if test -f "$with_gmp_dir/.libs/libgmp.a"; then
1062 gmplibs="$gmplibs $with_gmp_dir/.libs/libgmp.a"
1063 elif test -f "$with_gmp_dir/_libs/libgmp.a"; then
1064 gmplibs="$gmplibs $with_gmp_dir/_libs/libgmp.a"
1066 # One of the later tests will catch the error if neither library is present.
1068 gmplibs="$gmplibs -lgmp"
1071 AC_ARG_WITH(gmp, [ --with-gmp=PATH Specify directory for installed GMP library])
1073 if test "x$with_gmp" != x; then
1074 gmplibs="-L$with_gmp/lib $gmplibs"
1075 gmpinc="-I$with_gmp/include $gmpinc"
1078 saved_CFLAGS="$CFLAGS"
1079 CFLAGS="$CFLAGS $gmpinc"
1080 # Check GMP actually works
1081 AC_MSG_CHECKING([for correct version of gmp.h])
1082 AC_TRY_COMPILE([#include "gmp.h"],[
1083 #if __GNU_MP_VERSION < 3
1086 ], [AC_MSG_RESULT([yes])],
1087 [AC_MSG_RESULT([no]); have_gmp=no])
1089 if test x"$have_gmp" = xyes; then
1090 AC_MSG_CHECKING([for MPFR])
1093 LIBS="$LIBS $gmplibs"
1094 AC_TRY_LINK([#include <gmp.h>
1095 #include <mpfr.h>], [mpfr_t n; mpfr_init(n);],
1096 [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1098 CFLAGS="$saved_CFLAGS"
1101 # Flags needed for both GMP and/or MPFR
1105 # By default, C is the only stage 1 language.
1107 AC_SUBST(stage1_languages)
1109 # Figure out what language subdirectories are present.
1110 # Look if the user specified --enable-languages="..."; if not, use
1111 # the environment variable $LANGUAGES if defined. $LANGUAGES might
1113 # NB: embedded tabs in this IF block -- do not untabify
1114 if test -d ${srcdir}/gcc; then
1115 if test x"${enable_languages+set}" != xset; then
1116 if test x"${LANGUAGES+set}" = xset; then
1117 enable_languages="${LANGUAGES}"
1118 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1120 enable_languages=all
1123 if test x"${enable_languages}" = x ||
1124 test x"${enable_languages}" = xyes;
1126 echo configure.in: --enable-languages needs at least one language argument 1>&2
1130 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1132 # First scan to see if an enabled language requires some other language.
1133 # We assume that a given config-lang.in will list all the language
1134 # front ends it requires, even if some are required indirectly.
1135 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1136 case ${lang_frag} in
1138 # The odd quoting in the next line works around
1139 # an apparent bug in bash 1.12 on linux.
1140 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1142 # From the config-lang.in, get $language, $lang_requires
1146 for other in ${lang_requires} ; do
1147 case ,${enable_languages}, in
1151 echo " \`$other' language required by \`$language'; enabling" 1>&2
1152 enable_languages="${enable_languages},${other}"
1160 new_enable_languages=c
1161 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
1162 potential_languages=c
1164 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1165 case ${lang_frag} in
1167 # The odd quoting in the next line works around
1168 # an apparent bug in bash 1.12 on linux.
1169 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1171 # From the config-lang.in, get $language, $target_libs,
1172 # $lang_dirs, $boot_language, and $build_by_default
1180 potential_languages="${potential_languages},${language}"
1181 # This is quite sensitive to the ordering of the case statement arms.
1182 case ,${enable_languages},:${language}:${have_gnat}:${build_by_default} in
1184 echo "${lang_frag} doesn't set \$language." 1>&2
1188 # Ada was requested with no preexisting GNAT. Disable unconditionally.
1191 *,${language},*:*:*:*)
1192 # Language was explicitly selected; include it.
1196 # 'all' was selected, but this is not a default language
1197 # so do not include it.
1201 # 'all' was selected and this is a default language; include it.
1209 # Disable languages that need GMP if it isn't available.
1210 case ,${enable_languages},:${have_gmp}:${need_gmp} in
1211 *,${language},*:no:yes)
1212 # Specifically requested language; tell them.
1213 AC_MSG_ERROR([GMP with MPFR support is required to build $language])
1221 case $add_this_lang in
1223 # Remove language-dependent dirs.
1224 eval noconfigdirs='"$noconfigdirs "'\"$target_libs $lang_dirs\"
1227 new_enable_languages="$new_enable_languages,$language"
1228 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
1229 case ${boot_language} in
1231 # Add to (comma-separated) list of stage 1 languages.
1232 stage1_languages="${stage1_languages},${language}"
1241 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
1242 if test "x$missing_languages" != x; then
1244 The following requested languages were not found: ${missing_languages}
1245 The available languages are: ${potential_languages}])
1248 if test "x$new_enable_languages" != "x$enable_languages"; then
1249 echo The following languages will be built: ${new_enable_languages}
1251 enable_languages="$new_enable_languages"
1252 ac_configure_args=`echo " $ac_configure_args" | sed -e 's/ --enable-languages=[[^ ]]*//' -e 's/$/ --enable-languages='"$enable_languages"/ `
1255 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
1256 # $build_configdirs and $target_configdirs.
1257 # If we have the source for $noconfigdirs entries, add them to $notsupp.
1260 for dir in . $skipdirs $noconfigdirs ; do
1261 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
1262 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1263 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
1264 if test -r $srcdir/$dirname/configure ; then
1265 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1268 notsupp="$notsupp $dir"
1272 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1273 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"`
1274 if test -r $srcdir/$dirname/configure ; then
1275 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1278 notsupp="$notsupp $dir"
1282 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1283 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
1284 if test -r $srcdir/$dirname/configure ; then
1285 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1288 notsupp="$notsupp $dir"
1294 # Sometimes the tools are distributed with libiberty but with no other
1295 # libraries. In that case, we don't want to build target-libiberty.
1296 if test -n "${target_configdirs}" ; then
1298 for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do
1299 if test "$i" != "libiberty" ; then
1300 if test -r $srcdir/$i/configure ; then
1306 if test -z "${others}" ; then
1311 # Quietly strip out all directories which aren't configurable in this tree.
1312 # This relies on all configurable subdirectories being autoconfiscated, which
1314 build_configdirs_all="$build_configdirs"
1316 for i in ${build_configdirs_all} ; do
1317 j=`echo $i | sed -e s/build-//g`
1318 if test -f ${srcdir}/$j/configure ; then
1319 build_configdirs="${build_configdirs} $i"
1323 configdirs_all="$configdirs"
1325 for i in ${configdirs_all} ; do
1326 if test -f ${srcdir}/$i/configure ; then
1327 configdirs="${configdirs} $i"
1331 target_configdirs_all="$target_configdirs"
1333 for i in ${target_configdirs_all} ; do
1334 j=`echo $i | sed -e s/target-//g`
1335 if test -f ${srcdir}/$j/configure ; then
1336 target_configdirs="${target_configdirs} $i"
1340 # Produce a warning message for the subdirs we can't configure.
1341 # This isn't especially interesting in the Cygnus tree, but in the individual
1342 # FSF releases, it's important to let people know when their machine isn't
1343 # supported by the one or two programs in a package.
1345 if test -n "${notsupp}" && test -z "${norecursion}" ; then
1346 # If $appdirs is non-empty, at least one of those directories must still
1347 # be configured, or we error out. (E.g., if the gas release supports a
1348 # specified target in some subdirs but not the gas subdir, we shouldn't
1349 # pretend that all is well.)
1350 if test -n "$appdirs" ; then
1351 for dir in $appdirs ; do
1352 if test -r $dir/Makefile.in ; then
1353 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1357 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
1363 if test -n "$appdirs" ; then
1364 echo "*** This configuration is not supported by this package." 1>&2
1368 # Okay, some application will build, or we don't care to check. Still
1369 # notify of subdirs not getting built.
1370 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
1371 echo " ${notsupp}" 1>&2
1372 echo " (Any other directories should still work fine.)" 1>&2
1382 # Handle --with-headers=XXX. If the value is not "yes", the contents of
1383 # the named directory are copied to $(tooldir)/sys-include.
1384 if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
1385 if test x${is_cross_compiler} = xno ; then
1386 echo 1>&2 '***' --with-headers is only supported when cross compiling
1389 if test x"${with_headers}" != xyes ; then
1390 case "${exec_prefixoption}" in
1392 *) x=${exec_prefix} ;;
1394 copy_dirs="${copy_dirs} ${with_headers} $x/${target_alias}/sys-include"
1398 # Handle --with-libs=XXX. If the value is not "yes", the contents of
1399 # the name directories are copied to $(tooldir)/lib. Multiple directories
1401 if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
1402 if test x${is_cross_compiler} = xno ; then
1403 echo 1>&2 '***' --with-libs is only supported when cross compiling
1406 if test x"${with_libs}" != xyes ; then
1407 # Copy the libraries in reverse order, so that files in the first named
1408 # library override files in subsequent libraries.
1409 case "${exec_prefixoption}" in
1411 *) x=${exec_prefix} ;;
1413 for l in ${with_libs}; do
1414 copy_dirs="$l $x/${target_alias}/lib ${copy_dirs}"
1419 # Handle ${copy_dirs}
1420 set fnord ${copy_dirs}
1422 while test $# != 0 ; do
1423 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
1426 echo Copying $1 to $2
1428 # Use the install script to create the directory and all required
1429 # parent directories.
1430 if test -d $2 ; then
1434 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
1437 # Copy the directory, assuming we have tar.
1438 # FIXME: Should we use B in the second tar? Not all systems support it.
1439 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
1441 # It is the responsibility of the user to correctly adjust all
1442 # symlinks. If somebody can figure out how to handle them correctly
1443 # here, feel free to add the code.
1450 extra_arflags_for_target=
1451 extra_nmflags_for_target=
1452 extra_ranlibflags_for_target=
1453 target_makefile_frag=/dev/null
1456 target_makefile_frag="config/mt-netware"
1458 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu)
1459 target_makefile_frag="config/mt-gnu"
1461 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
1462 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
1463 # commands to handle both 32-bit and 64-bit objects. These flags are
1464 # harmless if we're using GNU nm or ar.
1465 extra_arflags_for_target=" -X32_64"
1466 extra_nmflags_for_target=" -B -X32_64"
1469 # ranlib from Darwin requires the -c flag to look at common symbols.
1470 extra_ranlibflags_for_target=" -c"
1472 mips*-*-pe | sh*-*-pe | *arm-wince-pe)
1473 target_makefile_frag="config/mt-wince"
1477 alphaieee_frag=/dev/null
1480 # This just makes sure to use the -mieee option to build target libs.
1481 # This should probably be set individually by each library.
1482 alphaieee_frag="config/mt-alphaieee"
1486 # If --enable-target-optspace always use -Os instead of -O2 to build
1487 # the target libraries, similarly if it is not specified, use -Os
1488 # on selected platforms.
1489 ospace_frag=/dev/null
1490 case "${enable_target_optspace}:${target}" in
1492 ospace_frag="config/mt-ospace"
1495 ospace_frag="config/mt-d30v"
1497 :m32r-* | :d10v-* | :fr30-*)
1498 ospace_frag="config/mt-ospace"
1503 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
1507 # Set with_gnu_as and with_gnu_ld as appropriate.
1509 # This is done by determining whether or not the appropriate directory
1510 # is available, and by checking whether or not specific configurations
1511 # have requested that this magic not happen.
1513 # The command line options always override the explicit settings in
1514 # configure.in, and the settings in configure.in override this magic.
1516 # If the default for a toolchain is to use GNU as and ld, and you don't
1517 # want to do that, then you should use the --without-gnu-as and
1518 # --without-gnu-ld options for the configure script.
1520 if test x${use_gnu_as} = x &&
1521 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
1523 extra_host_args="$extra_host_args --with-gnu-as"
1526 if test x${use_gnu_ld} = x &&
1527 echo " ${configdirs} " | grep " ld " > /dev/null 2>&1 ; then
1529 extra_host_args="$extra_host_args --with-gnu-ld"
1532 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
1533 # can detect this case.
1535 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
1537 extra_host_args="$extra_host_args --with-newlib"
1540 # Default to using --with-stabs for certain targets.
1541 if test x${with_stabs} = x ; then
1543 mips*-*-irix[[56]]*)
1545 mips*-*-* | alpha*-*-osf*)
1547 extra_host_args="${extra_host_args} --with-stabs"
1552 # hpux11 in 64bit mode has libraries in a weird place. Arrange to find
1553 # them automatically.
1556 extra_host_args="$extra_host_args -x-libraries=/usr/lib/pa20_64 -x-includes=/usr/X11R6/include"
1560 # Some systems (e.g., one of the i386-aix systems the gas testers are
1561 # using) don't handle "\$" correctly, so don't use it here.
1562 tooldir='${exec_prefix}'/${target_alias}
1563 build_tooldir=${tooldir}
1565 # Generate default definitions for YACC, M4, LEX and other programs that run
1566 # on the build machine. These are used if the Makefile can't locate these
1567 # programs in objdir.
1568 MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
1569 AC_CHECK_PROGS([CONFIGURED_BISON], [bison], [$MISSING bison])
1570 AC_CHECK_PROGS([CONFIGURED_YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
1571 AC_CHECK_PROGS([CONFIGURED_M4], [gm4 gnum4 m4], [$MISSING m4])
1572 AC_CHECK_PROGS([CONFIGURED_FLEX], [flex], [$MISSING flex])
1573 AC_CHECK_PROGS([CONFIGURED_LEX], [flex lex], [$MISSING flex])
1574 AC_CHECK_PROGS([CONFIGURED_MAKEINFO], makeinfo, [$MISSING makeinfo])
1576 # Create a .gdbinit file which runs the one in srcdir
1577 # and tells GDB to look there for source files.
1579 if test -r ${srcdir}/.gdbinit ; then
1582 *) cat > ./.gdbinit <<EOF
1586 source ${srcdir}/.gdbinit
1592 # Make sure that the compiler is able to generate an executable. If it
1593 # can't, we are probably in trouble. We don't care whether we can run the
1594 # executable--we might be using a cross compiler--we only care whether it
1595 # can be created. At this point the main configure script has set CC.
1597 echo "int main () { return 0; }" > conftest.c
1598 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
1599 if test $? = 0 ; then
1600 if test -s conftest || test -s conftest.exe ; then
1606 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
1607 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
1614 # The Solaris /usr/ucb/cc compiler does not appear to work.
1616 sparc-sun-solaris2*)
1617 CCBASE="`echo ${CC-cc} | sed 's/ .*$//'`"
1618 if test "`type $CCBASE | sed 's/^[[^/]]*//'`" = "/usr/ucb/cc" ; then
1620 test -d /opt/SUNWspro/bin && could_use="/opt/SUNWspro/bin"
1621 if test -d /opt/cygnus/bin ; then
1622 if test "$could_use" = "" ; then
1623 could_use="/opt/cygnus/bin"
1625 could_use="$could_use or /opt/cygnus/bin"
1628 if test "$could_use" = "" ; then
1629 echo "Warning: compilation may fail because you're using"
1630 echo "/usr/ucb/cc. You should change your PATH or CC "
1631 echo "variable and rerun configure."
1633 echo "Warning: compilation may fail because you're using"
1634 echo "/usr/ucb/cc, when you should use the C compiler from"
1635 echo "$could_use. You should change your"
1636 echo "PATH or CC variable and rerun configure."
1642 # If no --enable-shared nor --disable-shared is specified, we set up
1643 # LD_LIBRARY_PATH when we build for gcc.
1644 case $enable_shared in
1646 if test -d ${srcdir}/gcc; then
1653 set_lib_path=$enable_shared
1657 # If --enable-shared was set, we must set LD_LIBRARY_PATH so that the
1658 # binutils tools will find libbfd.so.
1659 case "${set_lib_path}" in
1660 no) SET_LIB_PATH= ;;
1661 *) SET_LIB_PATH="\$(REALLY_SET_LIB_PATH)" ;;
1665 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
1666 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
1669 # Record target_configdirs and the configure arguments for target and
1670 # build configuration in Makefile.
1671 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
1672 build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
1674 # Determine whether gdb needs tk/tcl or not.
1675 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
1676 # and in that case we want gdb to be built without tk. Ugh!
1677 # In fact I believe gdb is the *only* package directly dependent on tk,
1678 # so we should be able to put the 'maybe's in unconditionally and
1679 # leave out the maybe dependencies when enable_gdbtk is false. I'm not
1680 # 100% sure that that's safe though.
1682 gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
1683 case "$enable_gdbtk" in
1687 GDB_TK="${gdb_tk}" ;;
1689 # Only add the dependency on gdbtk when GDBtk is part of the gdb
1690 # distro. Eventually someone will fix this and move Insight, nee
1691 # gdbtk to a separate directory.
1692 if test -d ${srcdir}/gdb/gdbtk ; then
1700 # Strip out unwanted targets.
1702 # While at that, we remove Makefiles if we were started for recursive
1703 # configuration, so that the top-level Makefile reconfigures them,
1704 # like we used to do when configure itself was recursive.
1706 # Loop over modules. $extrasub must be used with care, limiting as
1707 # much as possible the usage of range addresses. That's because autoconf
1708 # splits the sed script to overcome limits in the number of commands,
1709 # and relying on carefully-timed sed passes may turn out to be very hard
1710 # to maintain later. In this particular case, you just have to be careful
1711 # not to nest @if/@endif pairs, because configure will not warn you at all.
1713 AC_ARG_ENABLE([bootstrap],
1714 [ --enable-bootstrap[=lean] Enable bootstrapping [no]],,
1715 enable_bootstrap=default)
1717 # Issue errors and warnings for invalid/strange bootstrap combinations.
1718 case "$configdirs" in
1719 *gcc*) have_compiler=yes ;;
1720 *) have_compiler=no ;;
1723 case "$have_compiler:$host:$target:$enable_bootstrap" in
1726 # Default behavior. (We'll) enable bootstrap if we have a compiler
1727 # and we are in a native configuration.
1728 yes:$build:$build:default)
1729 # This will become 'yes'
1730 enable_bootstrap=no ;;
1733 enable_bootstrap=no ;;
1735 # We have a compiler and we are in a native configuration, bootstrap is ok
1736 yes:$build:$build:yes | yes:$build:$build:lean)
1739 # Other configurations, but we have a compiler. Assume the user knows
1741 yes:*:*:yes | yes:*:*:lean)
1742 AC_MSG_WARN([trying to bootstrap a cross compiler])
1745 # No compiler: if they passed --enable-bootstrap explicitly, fail
1746 no:*:*:yes | no:*:*:lean)
1747 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
1749 # Fail if wrong command line
1751 AC_MSG_ERROR([invalid option for --enable-bootstrap])
1755 # Adjust the toplevel makefile according to whether bootstrap was selected.
1756 case "$enable_bootstrap" in
1759 default_target=bootstrap
1760 bootstrap_suffix=bootstrap ;;
1763 default_target=bootstrap
1764 bootstrap_suffix=bootstrap ;;
1767 bootstrap_suffix=no-bootstrap ;;
1769 AC_SUBST(bootstrap_lean)
1770 AC_SUBST(default_target)
1772 for module in ${build_configdirs} ; do
1773 if test -z "${no_recursion}" \
1774 && test -f ${build_subdir}/${module}/Makefile; then
1775 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
1776 rm -f ${build_subdir}/${module}/Makefile
1779 /^@if build-$module\$/d
1780 /^@endif build-$module\$/d
1781 /^@if build-$module-$bootstrap_suffix\$/d
1782 /^@endif build-$module-$bootstrap_suffix\$/d"
1784 for module in ${configdirs} ; do
1785 if test -z "${no_recursion}" \
1786 && test -f ${module}/Makefile; then
1787 echo 1>&2 "*** removing ${module}/Makefile to force reconfigure"
1788 rm -f ${module}/Makefile
1792 /^@endif $module\$/d
1793 /^@if $module-$bootstrap_suffix\$/d
1794 /^@endif $module-$bootstrap_suffix\$/d"
1796 for module in ${target_configdirs} ; do
1797 if test -z "${no_recursion}" \
1798 && test -f ${target_subdir}/${module}/Makefile; then
1799 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
1800 rm -f ${target_subdir}/${module}/Makefile
1803 /^@if target-$module\$/d
1804 /^@endif target-$module\$/d
1805 /^@if target-$module-$bootstrap_suffix\$/d
1806 /^@endif target-$module-$bootstrap_suffix\$/d"
1810 /^@if /,/^@endif /d"
1812 # Create the serialization dependencies. This uses a temporary file.
1814 AC_ARG_ENABLE([serial-configure],
1815 [ --enable-serial-[{host,target,build}-]configure
1816 Force sequential configuration of
1817 sub-packages for the host, target or build
1818 machine, or all sub-packages])
1820 case ${enable_serial_configure} in
1822 enable_serial_build_configure=yes
1823 enable_serial_host_configure=yes
1824 enable_serial_target_configure=yes
1828 # These force 'configure's to be done one at a time, to avoid problems
1829 # with contention over a shared config.cache.
1831 echo '# serdep.tmp' > serdep.tmp
1833 test "x${enable_serial_build_configure}" = xyes &&
1834 for item in ${build_configdirs} ; do
1837 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
1842 test "x${enable_serial_host_configure}" = xyes &&
1843 for item in ${configdirs} ; do
1846 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
1851 test "x${enable_serial_target_configure}" = xyes &&
1852 for item in ${target_configdirs} ; do
1855 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
1859 serialization_dependencies=serdep.tmp
1860 AC_SUBST_FILE(serialization_dependencies)
1862 # Base args. Strip norecursion, cache-file, srcdir, host, build,
1863 # target and nonopt. These are the ones we might not want to pass
1864 # down to subconfigures. Also strip program-prefix, program-suffix,
1865 # and program-transform-name, so that we can pass down a consistent
1866 # program-transform-name. If autoconf has put single quotes around
1867 # any of these arguments (because they contain shell metacharacters)
1868 # then this will fail; in practice this only happens for
1869 # --program-transform-name, so be sure to override --program-transform-name
1870 # at the end of the argument list.
1871 # These will be expanded by make, so quote '$'.
1872 cat <<\EOF_SED > conftestsed
1874 s/ --c[[a-z-]]*[[= ]][[^ ]]*//g
1875 s/ --sr[[a-z-]]*[[= ]][[^ ]]*//g
1876 s/ --ho[[a-z-]]*[[= ]][[^ ]]*//g
1877 s/ --bu[[a-z-]]*[[= ]][[^ ]]*//g
1878 s/ --t[[a-z-]]*[[= ]][[^ ]]*//g
1879 s/ --program-[[pst]][[a-z-]]*[[= ]][[^ ]]*//g
1880 s/ -cache-file[[= ]][[^ ]]*//g
1881 s/ -srcdir[[= ]][[^ ]]*//g
1882 s/ -host[[= ]][[^ ]]*//g
1883 s/ -build[[= ]][[^ ]]*//g
1884 s/ -target[[= ]][[^ ]]*//g
1885 s/ -program-prefix[[= ]][[^ ]]*//g
1886 s/ -program-suffix[[= ]][[^ ]]*//g
1887 s/ -program-transform-name[[= ]][[^ ]]*//g
1888 s/ [[^' -][^ ]*] / /
1892 sed -f conftestsed <<EOF_SED > conftestsed.out
1893 ${ac_configure_args}
1895 baseargs=`cat conftestsed.out`
1896 rm -f conftestsed conftestsed.out
1898 # Add in --program-transform-name, after --program-prefix and
1899 # --program-suffix have been applied to it. Autoconf has already
1900 # doubled dollar signs and backslashes in program_transform_name; we want
1901 # the backslashes un-doubled, and then the entire thing wrapped in single
1902 # quotes, because this will be expanded first by make and then by the shell.
1903 # Also, because we want to override the logic in subdir configure scripts to
1904 # choose program_transform_name, replace any s,x,x, with s,y,y,.
1905 sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
1906 ${program_transform_name}
1908 gcc_transform_name=`cat conftestsed.out`
1909 rm -f conftestsed.out
1910 baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
1912 # For the build-side libraries, we just need to pretend we're native,
1913 # and not use the same cache file. Multilibs are neither needed nor
1915 build_configargs="--cache-file=../config.cache --build=${build_alias} --host=${build_alias} --target=${target_alias} ${baseargs}"
1917 # For host modules, accept cache file option, or specification as blank.
1918 case "${cache_file}" in
1920 cache_file_option="" ;;
1921 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
1922 cache_file_option="--cache-file=${cache_file}" ;;
1924 cache_file_option="--cache-file=../${cache_file}" ;;
1927 # Host dirs don't like to share a cache file either, horribly enough.
1928 # This seems to be due to autoconf 2.5x stupidity.
1929 host_configargs="--cache-file=./config.cache --build=${build_alias} --host=${host_alias} --target=${target_alias} ${extra_host_args} ${baseargs}"
1931 target_configargs=${baseargs}
1933 # Passing a --with-cross-host argument lets the target libraries know
1934 # whether they are being built with a cross-compiler or being built
1935 # native. However, it would be better to use other mechanisms to make the
1936 # sorts of decisions they want to make on this basis. Please consider
1937 # this option to be deprecated. FIXME.
1938 if test x${is_cross_compiler} = xyes ; then
1939 target_configargs="--with-cross-host=${host_alias} ${target_configargs}"
1942 # Default to --enable-multilib.
1943 if test x${enable_multilib} = x ; then
1944 target_configargs="--enable-multilib ${target_configargs}"
1947 # Pass --with-newlib if appropriate. Note that target_configdirs has
1948 # changed from the earlier setting of with_newlib.
1949 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
1950 target_configargs="--with-newlib ${target_configargs}"
1953 # Different target subdirs use different values of certain variables
1954 # (notably CXX). Worse, multilibs use *lots* of different values.
1955 # Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
1956 # it doesn't automatically accept command-line overrides of them.
1957 # This means it's not safe for target subdirs to share a cache file,
1958 # which is disgusting, but there you have it. Hopefully this can be
1959 # fixed in future. It's still worthwhile to use a cache file for each
1960 # directory. I think.
1962 # Pass the appropriate --host, --build, and --cache-file arguments.
1963 target_configargs="--cache-file=./config.cache --host=${target_alias} --build=${build_alias} ${target_configargs}"
1965 # provide a proper gxx_include_dir.
1966 # Note, if you change the default, make sure to fix both here and in
1967 # the gcc and libstdc++-v3 subdirectories.
1968 # Check whether --with-gxx-include-dir or --without-gxx-include-dir was given.
1969 case "${with_gxx_include_dir}" in
1971 AC_MSG_ERROR([--with-gxx-include-dir=[[dir]] requires a directory])
1974 case "${enable_version_specific_runtime_libs}" in
1975 yes) gxx_include_dir='${libsubdir}/include/c++' ;;
1977 libstdcxx_incdir=c++/${gcc_version}
1978 gxx_include_dir='${prefix}/include/'${libstdcxx_incdir} ;;
1980 *) gxx_include_dir=${with_gxx_include_dir} ;;
1984 case " $target_configdirs " in
1986 case " $target_configargs " in
1987 *" --with-newlib "*)
1990 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 $$s/winsup/w32api/include' ;;
1993 # If we're not building GCC, don't discard standard headers.
1994 if test -d ${srcdir}/gcc; then
1995 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
1997 if test "${build}" != "${host}"; then
1998 # On Canadian crosses, CC_FOR_TARGET will have already been set
1999 # by `configure', so we won't have an opportunity to add -Bgcc/
2000 # to it. This is right: we don't want to search that directory
2001 # for binaries, but we want the header files in there, so add
2003 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/gcc/include'
2005 # Someone might think of using the pre-installed headers on
2006 # Canadian crosses, in case the installed compiler is not fully
2007 # compatible with the compiler being built. In this case, it
2008 # would be better to flag an error than risking having
2009 # incompatible object files being constructed. We can't
2010 # guarantee that an error will be flagged, but let's hope the
2011 # compiler will do it, when presented with incompatible header
2016 case "${target}-${is_cross_compiler}" in
2017 i[[3456789]]86-*-linux*-no)
2018 # Here host == target, so we don't need to build gcc,
2019 # so we don't want to discard standard headers.
2020 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
2023 # If we're building newlib, use its generic headers last, but search
2024 # for any libc-related directories first (so make it the last -B
2026 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
2034 # Allow the user to override the flags for
2035 # our build compiler if desired.
2036 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
2038 # On Canadian crosses, we'll be searching the right directories for
2039 # the previously-installed cross compiler, so don't bother to add
2040 # flags for directories within the install tree of the compiler
2041 # being built; programs in there won't even run.
2042 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
2043 # Search for pre-installed headers if nothing else fits.
2044 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
2047 if test "x${use_gnu_ld}" = x &&
2048 echo " ${configdirs} " | grep " ld " > /dev/null ; then
2049 # Arrange for us to find uninstalled linker scripts.
2050 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/ld'
2053 if test "x${CC_FOR_TARGET+set}" = xset; then
2055 elif test -d ${srcdir}/gcc; then
2056 CC_FOR_TARGET='$$r/gcc/xgcc -B$$r/gcc/'
2057 elif test "$host" = "$target"; then
2058 CC_FOR_TARGET='$(CC)'
2060 CC_FOR_TARGET=`echo gcc | sed "${program_transform_name}"`
2062 CC_FOR_TARGET=$CC_FOR_TARGET' $(FLAGS_FOR_TARGET)'
2064 if test "x${GCJ_FOR_TARGET+set}" = xset; then
2066 elif test -d ${srcdir}/gcc; then
2067 GCJ_FOR_TARGET='$$r/gcc/gcj -B$$r/gcc/'
2068 elif test "$host" = "$target"; then
2069 GCJ_FOR_TARGET='gcj'
2071 GCJ_FOR_TARGET=`echo gcj | sed "${program_transform_name}"`
2073 GCJ_FOR_TARGET=$GCJ_FOR_TARGET' $(FLAGS_FOR_TARGET)'
2075 if test "x${GFORTRAN_FOR_TARGET+set}" = xset; then
2077 elif test -d ${srcdir}/gcc; then
2078 GFORTRAN_FOR_TARGET='$$r/gcc/gfortran -B$$r/gcc/'
2079 elif test "$host" = "$target"; then
2080 GFORTRAN_FOR_TARGET='gfortran'
2082 GFORTRAN_FOR_TARGET=`echo gfortran | sed "${program_transform_name}"`
2084 case $GFORTRAN_FOR_TARGET in
2085 *' $(FLAGS_FOR_TARGET)') ;;
2086 *) GFORTRAN_FOR_TARGET=$GFORTRAN_FOR_TARGET' $(FLAGS_FOR_TARGET)' ;;
2089 # Don't use libstdc++-v3's flags to configure/build itself.
2090 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'
2091 raw_libstdcxx_flags='-L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs'
2093 if test "x${CXX_FOR_TARGET+set}" = xset; then
2094 if test "x${RAW_CXX_FOR_TARGET+set}" != xset; then
2095 RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
2097 elif test -d ${srcdir}/gcc; then
2098 # We add -shared-libgcc to CXX_FOR_TARGET whenever we use xgcc instead
2099 # of g++ for linking C++ or Java, because g++ has -shared-libgcc by
2100 # default whereas gcc does not.
2101 # RAW_CXX_FOR_TARGET is for linking C++ or java; CXX_FOR_TARGET is for
2103 CXX_FOR_TARGET='$$r/gcc/g++ -B$$r/gcc/ -nostdinc++ '$libstdcxx_flags
2104 RAW_CXX_FOR_TARGET='$$r/gcc/xgcc -shared-libgcc -B$$r/gcc/ -nostdinc++ '$raw_libstdcxx_flags
2105 elif test "$host" = "$target"; then
2106 CXX_FOR_TARGET='$(CXX)'
2107 RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
2109 CXX_FOR_TARGET=`echo c++ | sed "${program_transform_name}"`
2110 RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
2112 CXX_FOR_TARGET=$CXX_FOR_TARGET' $(FLAGS_FOR_TARGET)'
2113 RAW_CXX_FOR_TARGET=$RAW_CXX_FOR_TARGET' $(FLAGS_FOR_TARGET)'
2115 qCXX_FOR_TARGET=`echo "$CXX_FOR_TARGET" | sed 's,[[&%]],\\\&,g'`
2116 qRAW_CXX_FOR_TARGET=`echo "$RAW_CXX_FOR_TARGET" | sed 's,[[&%]],\\\&,g'`
2118 # We want to defer the evaluation of `cmd`s and shell variables in
2119 # CXX_FOR_TARGET when recursing in the top-level Makefile, such as for
2120 # bootstrap. We'll enclose CXX_FOR_TARGET_FOR_RECURSIVE_MAKE in single
2121 # quotes, but we still have to duplicate `$'s so that shell variables
2122 # can be expanded by the nested make as shell variables, not as make
2124 qqCXX_FOR_TARGET=`echo "$qCXX_FOR_TARGET" | sed -e 's,[[$]][[$]],$$$$,g'`
2125 qqRAW_CXX_FOR_TARGET=`echo "$qRAW_CXX_FOR_TARGET" | sed -e 's,[[$]][[$]],$$$$,g'`
2127 # Wrap CC_FOR_TARGET and friends, for certain types of builds.
2128 CC_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${CC_FOR_TARGET}"
2129 GCJ_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${GCJ_FOR_TARGET}"
2130 GFORTRAN_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${GFORTRAN_FOR_TARGET}"
2131 CXX_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${qCXX_FOR_TARGET}"
2132 RAW_CXX_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${qRAW_CXX_FOR_TARGET}"
2133 CXX_FOR_TARGET_FOR_RECURSIVE_MAKE="\$(STAGE_CC_WRAPPER) ${qqCXX_FOR_TARGET}"
2134 RAW_CXX_FOR_TARGET_FOR_RECURSIVE_MAKE="\$(STAGE_CC_WRAPPER) ${qqRAW_CXX_FOR_TARGET}"
2136 # Makefile fragments.
2137 for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
2139 eval fragval=\$$frag
2140 if test $fragval != /dev/null; then
2141 eval $frag=${srcdir}/$fragval
2144 AC_SUBST_FILE(host_makefile_frag)
2145 AC_SUBST_FILE(target_makefile_frag)
2146 AC_SUBST_FILE(alphaieee_frag)
2147 AC_SUBST_FILE(ospace_frag)
2149 # Miscellanea: directories, flags, etc.
2150 AC_SUBST(SET_LIB_PATH)
2151 AC_SUBST(RPATH_ENVVAR)
2152 AC_SUBST(BUILD_PREFIX)
2153 AC_SUBST(BUILD_PREFIX_1)
2155 AC_SUBST(build_tooldir)
2157 AC_SUBST(gxx_include_dir)
2158 AC_SUBST(libstdcxx_incdir)
2160 # Build module lists & subconfigure args.
2161 AC_SUBST(build_configargs)
2162 AC_SUBST(build_configdirs)
2164 # Host module lists & subconfigure args.
2165 AC_SUBST(host_configargs)
2166 AC_SUBST(configdirs)
2168 # Target module lists & subconfigure args.
2169 AC_SUBST(target_configargs)
2170 AC_SUBST(target_configdirs)
2173 AC_SUBST(CC_FOR_BUILD)
2174 AC_SUBST(config_shell)
2177 NCN_STRICT_CHECK_TOOL(AR, ar)
2178 NCN_STRICT_CHECK_TOOL(AS, as)
2179 NCN_STRICT_CHECK_TOOL(DLLTOOL, dlltool)
2180 NCN_STRICT_CHECK_TOOL(LD, ld)
2181 NCN_STRICT_CHECK_TOOL(NM, nm)
2182 NCN_STRICT_CHECK_TOOL(RANLIB, ranlib, :)
2183 NCN_STRICT_CHECK_TOOL(WINDRES, windres)
2184 NCN_STRICT_CHECK_TOOL(OBJCOPY, objcopy)
2185 NCN_STRICT_CHECK_TOOL(OBJDUMP, objdump)
2189 AC_SUBST(CFLAGS_FOR_BUILD)
2193 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_AR_FOR_TARGET, ar)
2194 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_AS_FOR_TARGET, as)
2195 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_DLLTOOL_FOR_TARGET, dlltool)
2196 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_LD_FOR_TARGET, ld)
2197 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_NM_FOR_TARGET, nm)
2198 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_RANLIB_FOR_TARGET, ranlib, :)
2199 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_WINDRES_FOR_TARGET, windres)
2201 AC_SUBST(GCC_FOR_TARGET)
2202 AC_SUBST(FLAGS_FOR_TARGET)
2203 AC_SUBST(CC_FOR_TARGET)
2204 AC_SUBST(GCJ_FOR_TARGET)
2205 AC_SUBST(GFORTRAN_FOR_TARGET)
2206 AC_SUBST(CXX_FOR_TARGET)
2207 AC_SUBST(RAW_CXX_FOR_TARGET)
2208 AC_SUBST(CXX_FOR_TARGET_FOR_RECURSIVE_MAKE)
2209 AC_SUBST(RAW_CXX_FOR_TARGET_FOR_RECURSIVE_MAKE)
2211 # Fix up target tools.
2212 if test "x${build}" = "x${host}" ; then
2213 # In this case, the newly built tools can and should be used,
2214 # so we override the results of the autoconf tests.
2215 # This should really only happen when the tools are actually being built,
2216 # but that's a further refinement. The new build scheme, where
2217 # tools are built into a structure paralleling where they're installed,
2218 # should also eliminate all of this cleanly.
2219 AR_FOR_TARGET="\$(USUAL_AR_FOR_TARGET)"
2220 AS_FOR_TARGET="\$(USUAL_AS_FOR_TARGET)"
2221 DLLTOOL_FOR_TARGET="\$(USUAL_DLLTOOL_FOR_TARGET)"
2222 LD_FOR_TARGET="\$(USUAL_LD_FOR_TARGET)"
2223 NM_FOR_TARGET="\$(USUAL_NM_FOR_TARGET)"
2224 RANLIB_FOR_TARGET="\$(USUAL_RANLIB_FOR_TARGET)"
2225 WINDRES_FOR_TARGET="\$(USUAL_WINDRES_FOR_TARGET)"
2227 # Just use the ones we found.
2228 AR_FOR_TARGET="\$(CONFIGURED_AR_FOR_TARGET)"
2229 AS_FOR_TARGET="\$(CONFIGURED_AS_FOR_TARGET)"
2230 DLLTOOL_FOR_TARGET="\$(CONFIGURED_DLLTOOL_FOR_TARGET)"
2231 LD_FOR_TARGET="\$(CONFIGURED_LD_FOR_TARGET)"
2232 NM_FOR_TARGET="\$(CONFIGURED_NM_FOR_TARGET)"
2233 RANLIB_FOR_TARGET="\$(CONFIGURED_RANLIB_FOR_TARGET)"
2234 WINDRES_FOR_TARGET="\$(CONFIGURED_WINDRES_FOR_TARGET)"
2236 AC_SUBST(AR_FOR_TARGET)
2237 AC_SUBST(AS_FOR_TARGET)
2238 AC_SUBST(DLLTOOL_FOR_TARGET)
2239 AC_SUBST(LD_FOR_TARGET)
2240 AC_SUBST(NM_FOR_TARGET)
2241 AC_SUBST(RANLIB_FOR_TARGET)
2242 AC_SUBST(WINDRES_FOR_TARGET)
2244 # Certain tools may need extra flags.
2245 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
2246 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
2247 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
2249 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
2250 AC_ARG_ENABLE(maintainer-mode,
2251 [ --enable-maintainer-mode enable make rules and dependencies not useful
2252 (and sometimes confusing) to the casual installer],
2253 USE_MAINTAINER_MODE=$enableval,
2254 USE_MAINTAINER_MODE=no)
2255 AC_MSG_RESULT($USE_MAINTAINER_MODE)
2256 AC_SUBST(MAINTAINER_MODE_TRUE)
2257 AC_SUBST(MAINTAINER_MODE_FALSE)
2258 if test "$USE_MAINTAINER_MODE" = yes; then
2259 MAINTAINER_MODE_TRUE=
2260 MAINTAINER_MODE_FALSE='#'
2262 MAINTAINER_MODE_TRUE='#'
2263 MAINTAINER_MODE_FALSE=
2265 MAINT=$MAINTAINER_MODE_TRUE
2268 # ---------------------
2269 # GCC bootstrap support
2270 # ---------------------
2272 # Stage specific cflags for build.
2277 yes) stage1_cflags="-g -Wa,-J" ;;
2278 *) stage1_cflags="-g -J" ;;
2281 # The spiffy cpp-precomp chokes on some legitimate constructs in GCC
2282 # sources; use -no-cpp-precomp to get to GNU cpp.
2283 # Apple's GCC has bugs in designated initializer handling, so disable
2285 stage1_cflags="-g -no-cpp-precomp -DHAVE_DESIGNATED_INITIALIZERS=0"
2288 AC_SUBST(stage1_cflags)
2290 # It makes debugging easier if we create as symlinks the stage directories
2291 # gcc for stageN-gcc and stagePREV-gcc for stage(N-1). In case this is not
2292 # possible, however, we can resort to mv.
2293 AC_CACHE_CHECK([if symbolic links between directories work],
2294 [gcc_cv_prog_ln_s_dir],
2295 [if test "${LN_S}" = "ln -s" \
2296 && mkdir confdir.s1 \
2297 && ln -s confdir.s1 confdir.s2 \
2298 && echo timestamp1 > confdir.s1/conftest.1 \
2299 && cmp confdir.s1/conftest.1 confdir.s2/conftest.1 \
2300 && echo timestamp2 > confdir.s2/conftest.2 \
2301 && cmp confdir.s1/conftest.2 confdir.s1/conftest.2 \
2302 && rm -f confdir.s2; then
2303 gcc_cv_prog_ln_s_dir=yes
2305 gcc_cv_prog_ln_s_dir=yes
2307 rm -rf confdir.s1 confdir.s2])
2309 case ${gcc_cv_prog_ln_s_dir} in
2311 CREATE_LINK_TO_DIR='ln -s $$1 $$2'
2312 UNDO_LINK_TO_DIR='rm -f $$1' ;;
2314 CREATE_LINK_TO_DIR='mv $$1 $$2'
2315 UNDO_LINK_TO_DIR='mv $$1 $$2' ;;
2317 AC_SUBST(CREATE_LINK_TO_DIR)
2318 AC_SUBST(UNDO_LINK_TO_DIR)
2320 # Enable -Werror in bootstrap stage2 and later.
2321 # Change the default to "no" on release branches.
2322 AC_ARG_ENABLE(werror,
2323 [ --enable-werror enable -Werror in bootstrap stage2 and later], [],
2324 [enable_werror=yes])
2325 case ${enable_werror} in
2326 yes) stage2_werror_flag="--enable-werror-always" ;;
2327 *) stage2_werror_flag="" ;;
2329 AC_SUBST(stage2_werror_flag)
2331 # If gcc is built natively with shared library enabled, set
2332 # $RPATH_ENVVAR to make sure the newly built gcc shared librares are
2335 if test -d ${srcdir}/gcc && test x${is_cross_compiler} = xno; then
2336 case "${set_lib_path}" in
2339 eval "d=\$$RPATH_ENVVAR"
2340 if test x"$d" != x; then
2345 SET_GCC_LIB_PATH="\$(RPATH_ENVVAR)=$d; export \$(RPATH_ENVVAR);"
2349 AC_SUBST(SET_GCC_LIB_PATH)