1 # Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998,
2 # 1999, 2000, 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
4 # This file is free software; you can redistribute it and/or modify it
5 # under the terms of the GNU General Public License as published by
6 # the Free Software Foundation; either version 2 of the License, or
7 # (at your option) any later version.
9 # This program is distributed in the hope that it will be useful, but
10 # WITHOUT ANY WARRANTY; without even the implied warranty of
11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 # General Public License for more details.
14 # You should have received a copy of the GNU General Public License
15 # along with this program; if not, write to the Free Software
16 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
18 ##############################################################################
19 ### WARNING: this file contains embedded tabs. Do not run untabify on this file.
21 sinclude(config/acx.m4)
23 AC_INIT(move-if-change)
28 # Get 'install' or 'install-sh' and its variants.
33 ### we might need to use some other shell than /bin/sh for running subshells
34 ### If we are on Windows, search for the shell. This will permit people
35 ### to not have /bin/sh, but to be able to see /SOME/PATH/sh configure
36 ### without also having to set CONFIG_SHELL. This code will work when
37 ### using bash, which sets OSTYPE.
40 if test x${CONFIG_SHELL} = x ; then
41 if test ! -f /bin/sh ; then
42 if test x${SHELL} != x && test -f ${SHELL} ; then
46 for prog in sh sh.exe bash bash.exe; do
47 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
49 test -z "$dir" && dir=.
50 if test -f $dir/$prog; then
51 CONFIG_SHELL=$dir/$prog
57 test -n "${CONFIG_SHELL}" && break
65 config_shell=${CONFIG_SHELL-/bin/sh}
68 # if PWD already has a value, it is probably wrong.
69 if test -n "$PWD" ; then PWD=`${PWDCMD-pwd}`; fi
71 # Export original configure arguments for use by sub-configures. These
72 # will be expanded by make, so quote '$'.
74 sed -e 's,\$,$$,g' <<EOF_SED > conftestsed.out
77 TOPLEVEL_CONFIGURE_ARGUMENTS=`cat conftestsed.out`
79 AC_SUBST(TOPLEVEL_CONFIGURE_ARGUMENTS)
81 moveifchange=${srcdir}/move-if-change
83 srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}`
85 # We pass INSTALL explicitly to sub-makes. Make sure that it is not
87 if test "$INSTALL" = "${srcdir}/install-sh -c"; then
88 INSTALL="${srcpwd}/install-sh -c"
91 # Set srcdir to "." if that's what it is.
92 # This is important for multilib support.
94 if test "${pwd}" = "${srcpwd}" ; then
102 ### To add a new directory to the tree, first choose whether it is a target
103 ### or a host dependent tool. Then put it into the appropriate list
104 ### (library or tools, host or target), doing a dependency sort.
106 # Subdirs will be configured in the order listed in build_configdirs,
107 # configdirs, or target_configdirs; see the serialization section below.
109 # Dependency sorting is only needed when *configuration* must be done in
110 # a particular order. In all cases a dependency should be specified in
111 # the Makefile, whether or not it's implicitly specified here.
113 # Double entries in build_configdirs, configdirs, or target_configdirs may
114 # cause circular dependencies and break everything horribly.
116 # these library is used by various programs built for the build
119 build_libs="build-libiberty"
121 # these tools are built for the build environment
122 build_tools="build-texinfo build-byacc build-flex build-bison build-m4 build-fixincludes"
124 # these libraries are used by various programs built for the host environment
126 host_libs="intl mmalloc libiberty opcodes bfd readline tcl tk itcl libgui zlib libcpp"
128 # these tools are built for the host environment
129 # Note, the powerpc-eabi build depends on sim occurring before gdb in order to
130 # know that we are building the simulator.
131 # binutils, gas and ld appear in that order because it makes sense to run
132 # "make check" in that particular order.
133 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 gnattools"
135 # libgcj represents the runtime libraries only used by gcj.
136 libgcj="target-libffi \
142 # these libraries are built for the target environment, and are built after
143 # the host libraries and the host tools (which may be a cross compiler)
145 target_libraries="target-libiberty \
148 target-libstdc++-v3 \
155 # these tools are built using the target libraries, and are intended to
156 # run only in the target environment
158 # note: any program that *uses* libraries that are in the "target_libraries"
159 # list belongs in this list. those programs are also very likely
160 # candidates for the "native_only" list which follows
162 target_tools="target-examples target-groff target-gperf target-rda"
164 ################################################################################
166 ## All tools belong in one of the four categories, and are assigned above
167 ## We assign ${configdirs} this way to remove all embedded newlines. This
168 ## is important because configure will choke if they ever get through.
169 ## ${configdirs} is directories we build using the host tools.
170 ## ${target_configdirs} is directories we build using the target tools.
171 configdirs=`echo ${host_libs} ${host_tools}`
172 target_configdirs=`echo ${target_libraries} ${target_tools}`
173 build_configdirs=`echo ${build_libs} ${build_tools}`
175 ################################################################################
177 srcname="gnu development package"
179 # This gets set non-empty for some net releases of packages.
182 # Define is_cross_compiler to save on calls to 'test'.
184 if test x"${host}" = x"${target}" ; then
187 is_cross_compiler=yes
190 # Find the build and target subdir names.
193 # Skipdirs are removed silently.
195 # Noconfigdirs are removed loudly.
199 # Make sure we don't let GNU ld be added if we didn't want it.
200 if test x$with_gnu_ld = xno ; then
202 noconfigdirs="$noconfigdirs ld"
206 # Make sure we don't let GNU as be added if we didn't want it.
207 if test x$with_gnu_as = xno ; then
209 noconfigdirs="$noconfigdirs gas"
212 # some tools are so dependent upon X11 that if we're not building with X,
213 # it's not even worth trying to configure, much less build, that tool.
216 yes | "") ;; # the default value for this tree is that X11 is available
218 skipdirs="${skipdirs} tk itcl libgui"
219 # We won't be able to build gdbtk without X.
222 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
225 # Some tools are only suitable for building in a "native" situation.
226 # Remove these if host!=target.
227 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"
229 # Similarly, some are only suitable for cross toolchains.
230 # Remove these if host=target.
231 cross_only="target-libgloss target-newlib target-opcodes"
233 case $is_cross_compiler in
234 no) skipdirs="${skipdirs} ${cross_only}" ;;
235 yes) skipdirs="${skipdirs} ${native_only}" ;;
238 # If both --with-headers and --with-libs are specified, default to
240 if test x"${with_headers}" != x && test x"${with_headers}" != xno \
241 && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
242 if test x"${with_newlib}" = x ; then
247 # Recognize --with-newlib/--without-newlib.
248 case ${with_newlib} in
249 no) skipdirs="${skipdirs} target-newlib" ;;
250 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
253 # Configure extra directories which are host specific
257 configdirs="$configdirs libtermcap" ;;
260 # A target can indicate whether a language isn't supported for some reason.
261 # Only spaces may be used in this macro; not newlines or tabs.
262 unsupported_languages=
264 # Remove more programs from consideration, based on the host or
265 # target this usually means that a port of the program doesn't
270 noconfigdirs="$noconfigdirs byacc"
272 i[[3456789]]86-*-vsta)
273 noconfigdirs="$noconfigdirs tcl expect dejagnu make texinfo bison patch flex byacc send-pr gprof uudecode dejagnu diff guile perl itcl gnuserv gettext"
275 i[[3456789]]86-*-go32* | i[[3456789]]86-*-msdosdjgpp*)
276 noconfigdirs="$noconfigdirs tcl tk expect dejagnu send-pr uudecode guile itcl gnuserv libffi"
278 i[[3456789]]86-*-mingw32*)
279 # noconfigdirs="tcl tk expect dejagnu make texinfo bison patch flex byacc send-pr uudecode dejagnu diff guile perl itcl gnuserv"
280 noconfigdirs="$noconfigdirs expect dejagnu autoconf automake send-pr rcs guile perl texinfo libtool"
282 i[[3456789]]86-*-beos*)
283 noconfigdirs="$noconfigdirs tk itcl libgui gdb"
286 noconfigdirs="$noconfigdirs autoconf automake send-pr rcs guile perl"
289 noconfigdirs="$noconfigdirs rcs"
292 noconfigdirs="$noconfigdirs patch diff make tk tcl expect dejagnu autoconf automake texinfo bison send-pr gprof rcs guile perl itcl gnuserv"
295 noconfigdirs="$noconfigdirs tk itcl libgui gdb dejagnu readline"
300 AC_ARG_ENABLE(libada,
301 [ --enable-libada Builds libada directory],
302 ENABLE_LIBADA=$enableval,
304 if test "${ENABLE_LIBADA}" != "yes" ; then
305 noconfigdirs="$noconfigdirs target-libada"
306 noconfigdirs="$noconfigdirs gnattools"
309 # Save it here so that, even in case of --enable-libgcj, if the Java
310 # front-end isn't enabled, we still get libgcj disabled.
312 case $enable_libgcj in
314 # If we reset it here, it won't get added to noconfigdirs in the
315 # target-specific build rules, so it will be forcibly enabled
316 # (unless the Java language itself isn't enabled).
320 # Make sure we get it printed in the list of not supported target libs.
321 noconfigdirs="$noconfigdirs ${libgcj}"
326 # Allow --disable-libmudflap to exclude target-libmudflap
327 case $enable_libmudflap in
331 noconfigdirs="$noconfigdirs target-libmudflap"
335 *-*-linux*-gnu | *-*-gnu* | *-*-k*bsd*-gnu)
336 # Enable libmudflap by default in GNU and friends.
339 # Enable libmudflap by default in FreeBSD.
342 # Disable it by default everywhere else.
343 noconfigdirs="$noconfigdirs target-libmudflap"
351 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
354 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes gdb gprof"
355 noconfigdirs="$noconfigdirs sim target-rda"
358 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes gdb gprof"
359 noconfigdirs="$noconfigdirs sim target-rda"
360 noconfigdirs="$noconfigdirs ${libgcj}"
362 *-*-freebsd[[12]] | *-*-freebsd[[12]].* | *-*-freebsd*aout*)
363 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
366 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
367 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
368 && test -f /usr/local/include/gmp.h; then
372 # Skip some stuff that's unsupported on some FreeBSD configurations.
377 noconfigdirs="$noconfigdirs ${libgcj}"
382 # Remove unsupported stuff on all kaOS configurations.
383 skipdirs="target-libiberty ${libgcj} target-libstdc++-v3 target-librx"
384 skipdirs="$skipdirs target-libobjc target-examples target-groff target-gperf"
385 skipdirs="$skipdirs zlib fastjar target-libjava target-boehm-gc target-zlib"
386 noconfigdirs="$noconfigdirs target-libgloss"
389 # Skip some stuff on all NetBSD configurations.
390 noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss"
392 # Skip some stuff that's unsupported on some NetBSD configurations.
394 i*86-*-netbsdelf*) ;;
395 arm*-*-netbsdelf*) ;;
397 noconfigdirs="$noconfigdirs ${libgcj}"
402 noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss ${libgcj} target-libmudflap"
405 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
408 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-rda ${libgcj}"
411 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libiberty ${libgcj}"
414 # ld works, but does not support shared libraries.
415 # newlib is not 64 bit ready. I'm not sure about fileutils.
416 # gas doesn't generate exception information.
417 noconfigdirs="$noconfigdirs gas ld fileutils target-newlib target-libgloss"
420 noconfigdirs="$noconfigdirs gdb ld target-newlib target-libgloss ${libgcj}"
423 # newlib is not 64 bit ready
424 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
427 # newlib is not 64 bit ready
428 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
431 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
434 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
436 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
437 noconfigdirs="$noconfigdirs ${libgcj}"
438 noconfigdirs="$noconfigdirs target-examples"
439 noconfigdirs="$noconfigdirs target-libiberty texinfo send-pr"
440 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
441 noconfigdirs="$noconfigdirs expect dejagnu"
442 # the C++ libraries don't build on top of CE's C libraries
443 noconfigdirs="$noconfigdirs target-libstdc++-v3"
444 noconfigdirs="$noconfigdirs target-newlib"
446 *-*-cygwin*) ;; # keep gdb and readline
447 *) noconfigdirs="$noconfigdirs gdb readline"
452 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
456 arm-*-coff | strongarm-*-coff | xscale-*-coff)
457 noconfigdirs="$noconfigdirs ${libgcj}"
459 arm-*-elf* | strongarm-*-elf* | xscale-*-elf* | arm*-*-eabi* )
460 noconfigdirs="$noconfigdirs target-libffi target-qthreads"
463 noconfigdirs="$noconfigdirs ${libgcj} target-libiberty"
466 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
469 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
472 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
475 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
478 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
481 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
484 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
486 c54x*-*-* | tic54x-*-*)
487 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj} gcc gdb newlib"
489 cris-*-* | crisv32-*-*)
490 unsupported_languages="$unsupported_languages java"
493 unsupported_languages="$unsupported_languages f95"
494 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";;
496 unsupported_languages="$unsupported_languages f95"
497 noconfigdirs="$noconfigdirs target-boehm-gc";;
499 noconfigdirs="$noconfigdirs target-newlib target-libgloss";;
501 unsupported_languages="$unsupported_languages f95"
502 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 target-libffi target-boehm-gc gdb libgloss"
652 unsupported_languages="$unsupported_languages f95 java"
655 noconfigdirs="$noconfigdirs ${libgcj}"
658 noconfigdirs="$noconfigdirs ${libgcj}"
661 noconfigdirs="$noconfigdirs sim"
664 # copied from rs6000-*-* entry
665 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
667 powerpc*-*-winnt* | powerpc*-*-pe* | ppc*-*-pe)
668 target_configdirs="$target_configdirs target-winsup"
669 noconfigdirs="$noconfigdirs gdb tcl tk make expect target-libgloss itcl gnuserv ${libgcj}"
670 # always build newlib.
671 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
673 # This is temporary until we can link against shared libraries
674 powerpcle-*-solaris*)
675 noconfigdirs="$noconfigdirs gdb sim make tcl tk expect itcl gnuserv ${libgcj}"
678 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
681 noconfigdirs="$noconfigdirs ${libgcj}"
683 powerpc-*-eabi* | powerpcle-*-eabi* | powerpc-*-rtems* )
686 noconfigdirs="$noconfigdirs target-newlib gprof ${libgcj}"
689 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
692 noconfigdirs="$noconfigdirs gprof ${libgcj}"
695 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss ${libgcj}"
698 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
701 # Linking libjava exceeds command-line length limits on at least
702 # IRIX 6.2, but not on IRIX 6.5.
703 # Also, boehm-gc won't build on IRIX 6.5, according to Jeffrey Oldham
704 # <oldham@codesourcery.com>
705 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
708 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
711 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
714 noconfigdirs="$noconfigdirs gprof ${libgcj}" # same as generic mips
717 noconfigdirs="$noconfigdirs target-newlib ${libgcj}"
720 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
723 noconfigdirs="$noconfigdirs gprof ${libgcj}"
726 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes target-libgloss ${libgcj}"
730 i[[3456789]]86-*-vsta) ;; # don't add gprof back in
731 i[[3456789]]86-*-go32*) ;; # don't add gprof back in
732 i[[3456789]]86-*-msdosdjgpp*) ;; # don't add gprof back in
733 *) skipdirs=`echo " ${skipdirs} " | sed -e 's/ gprof / /'` ;;
735 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
738 noconfigdirs="$noconfigdirs ${libgcj}"
741 noconfigdirs="$noconfigdirs ${libgcj}"
744 noconfigdirs="$noconfigdirs ${libgcj}"
747 noconfigdirs="$noconfigdirs ${libgcj}"
748 if test x${is_cross_compiler} != xno ; then
749 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
754 sparc-*-solaris2.[[0-6]] | sparc-*-solaris2.[[0-6]].*)
755 noconfigdirs="$noconfigdirs ${libgcj}"
757 sparc-*-solaris* | sparc64-*-solaris* | sparcv9-*-solaris*)
760 noconfigdirs="$noconfigdirs bfd binutils gas gcc gdb ld target-libstdc++-v3 opcodes target-libgloss ${libgcj}"
763 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
766 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
769 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
772 noconfigdirs="$noconfigdirs bfd binutils gdb ld target-newlib opcodes target-libgloss ${libgcj}"
775 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
778 noconfigdirs="$noconfigdirs ${libgcj}"
781 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
783 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu)
784 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
787 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
790 noconfigdirs="$noconfigdirs ${libgcj}"
794 # If we aren't building newlib, then don't build libgloss, since libgloss
795 # depends upon some newlib header files.
796 case "${noconfigdirs}" in
797 *target-libgloss*) ;;
798 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
801 # Work in distributions that contain no compiler tools, like Autoconf.
803 host_makefile_frag=/dev/null
804 if test -d ${srcdir}/config ; then
807 # Avoid "too much defining" errors from HPUX compiler.
808 tentative_cc="cc -Wp,-H256000"
809 # If "ar" in $PATH is GNU ar, the symbol table may need rebuilding.
810 # If it's HP/UX ar, this should be harmless.
814 tentative_cc="cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DUSG"
817 #None of the Apollo compilers can compile gas or binutils. The preprocessor
818 # chokes on bfd, the compiler won't let you assign integers to enums, and
819 # other problems. Defining CC to gcc is a questionable way to say "don't use
820 # the apollo compiler" (the preferred version of GCC could be called cc,
821 # or whatever), but I'm not sure leaving CC as cc is any better...
822 #CC=cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DNO_STDARG
823 # Used to have BISON=yacc.
827 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
830 # Under CX/UX, we want to tell the compiler to use ANSI mode.
831 tentative_cc="cc -Xa"
832 host_makefile_frag="config/mh-cxux"
837 tentative_cc="cc -Wf,-XNg1000"
838 host_makefile_frag="config/mh-decstation"
841 # The C compiler on NEC MIPS SVR4 needs bigger tables.
842 tentative_cc="cc -ZXNd=5000 -ZXNg=1000"
843 host_makefile_frag="config/mh-necv4"
846 # Tell compiler to use K&R C. We can't compile under the SGI Ansi
847 # environment. Also bump switch table size so that cp-parse will
848 # compile. Bump string length limit so linker builds.
849 tentative_cc="cc -cckr -Wf,-XNg1500 -Wf,-XNk1000 -Wf,-XNh2000 -Wf,-XNl8192"
852 host_makefile_frag="config/mh-sysv4"
855 # This is for a MIPS running RISC/os 4.52C.
857 # This is needed for GDB, but needs to be in the top-level make because
858 # if a library is compiled with the bsd headers and gets linked with the
859 # sysv system libraries all hell can break loose (e.g. a jmp_buf might be
861 # ptrace(2) apparently has problems in the BSD environment. No workaround is
862 # known except to select the sysv environment. Could we use /proc instead?
863 # These "sysv environments" and "bsd environments" often end up being a pain.
865 # This is not part of CFLAGS because perhaps not all C compilers have this
867 tentative_cc="cc -systype sysv"
872 i[[3456789]]86-*-sysv5*)
873 host_makefile_frag="config/mh-sysv5"
875 i[[3456789]]86-*-dgux*)
876 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
877 host_makefile_frag="config/mh-dgux386"
879 i[[3456789]]86-ncr-sysv4.3*)
880 # The MetaWare compiler will generate a copyright message unless you
881 # turn it off by adding the -Hnocopyr flag.
882 tentative_cc="cc -Hnocopyr"
884 i[[3456789]]86-ncr-sysv4*)
885 # for an NCR 3000 (i486/SVR4) system.
886 # The NCR 3000 ships with a MetaWare compiler installed as /bin/cc.
887 # This compiler not only emits obnoxious copyright messages every time
888 # you run it, but it chokes and dies on a whole bunch of GNU source
889 # files. Default to using the AT&T compiler installed in /usr/ccs/ATT/cc.
890 tentative_cc="/usr/ccs/ATT/cc"
891 host_makefile_frag="config/mh-ncr3000"
893 i[[3456789]]86-*-sco3.2v5*)
895 i[[3456789]]86-*-sco*)
896 # The native C compiler botches some simple uses of const. Unfortunately,
897 # it doesn't defined anything like "__sco__" for us to test for in ansidecl.h.
898 tentative_cc="cc -Dconst="
899 host_makefile_frag="config/mh-sco"
901 i[[3456789]]86-*-udk*)
902 host_makefile_frag="config/mh-sysv5"
904 i[[3456789]]86-*-solaris2*)
905 host_makefile_frag="config/mh-sysv4"
907 i[[3456789]]86-*-msdosdjgpp*)
908 host_makefile_frag="config/mh-djgpp"
911 host_makefile_frag="config/mh-cygwin"
916 host_makefile_frag="config/mh-interix"
919 # The old BSD pcc isn't up to compiling parts of gdb so use gcc
923 host_makefile_frag="config/mh-solaris"
926 # Sun's C compiler needs the -J flag to be able to compile cp-parse.c
927 # without overflowing the jump tables (-J says to use a 32 bit table)
931 tentative_cc="cc -Wp,-H256000"
934 tentative_cc="cc -Wp,-H256000"
937 # /bin/cc is less than useful for our purposes. Always use GCC
938 tentative_cc="/usr/cygnus/progressive/bin/gcc"
939 host_makefile_frag="config/mh-lynxrs6k"
942 host_makefile_frag="config/mh-ppc-darwin"
945 # /bin/cc is less than useful for our purposes. Always use GCC
946 tentative_cc="/bin/gcc"
949 host_makefile_frag="config/mh-sysv4"
951 # This is placed last to prevent interfering with the cases above.
953 # Build the stage2 and stage3 compilers with -fomit-frame-pointer.
954 host_makefile_frag="config/mh-x86omitfp"
959 # If we aren't going to be using gcc, see if we can extract a definition
960 # of CC from the fragment.
961 # Actually, use the 'pre-extracted' version above.
962 if test -z "${CC}" && test "${build}" = "${host}" ; then
963 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
966 test -z "$dir" && dir=.
967 if test -f $dir/gcc; then
973 if test -z "${found}" && test -n "${tentative_cc}" ; then
978 if test "${build}" != "${host}" ; then
979 # If we are doing a Canadian Cross, in which the host and build systems
980 # are not the same, we set reasonable default values for the tools.
982 CC=${CC-${host_alias}-gcc}
983 CFLAGS=${CFLAGS-"-g -O2"}
984 CXX=${CXX-${host_alias}-c++}
985 CXXFLAGS=${CXXFLAGS-"-g -O2"}
986 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
987 CC_FOR_TARGET=${CC_FOR_TARGET-${target_alias}-gcc}
988 CXX_FOR_TARGET=${CXX_FOR_TARGET-${target_alias}-c++}
989 GCJ_FOR_TARGET=${GCJ_FOR_TARGET-${target_alias}-gcj}
990 GCC_FOR_TARGET=${GCC_FOR_TARGET-${CC_FOR_TARGET-${target_alias}-gcc}}
991 BUILD_PREFIX=${build_alias}-
992 BUILD_PREFIX_1=${build_alias}-
995 # Set reasonable default values for some tools even if not Canadian.
996 # Of course, these are different reasonable default values, originally
997 # specified directly in the Makefile.
998 # We don't export, so that autoconf can do its job.
999 # Note that all these settings are above the fragment inclusion point
1000 # in Makefile.in, so can still be overridden by fragments.
1001 # This is all going to change when we autoconfiscate...
1003 CC_FOR_BUILD="\$(CC)"
1004 GCC_FOR_TARGET="\$(USUAL_GCC_FOR_TARGET)"
1006 BUILD_PREFIX_1=loser-
1010 # We must set the default linker to the linker used by gcc for the correct
1011 # operation of libtool. If LD is not defined and we are using gcc, try to
1012 # set the LD default to the ld used by gcc.
1013 if test -z "$LD"; then
1014 if test "$GCC" = yes; then
1017 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1019 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1021 case $gcc_prog_ld in
1022 # Accept absolute paths.
1023 [[\\/]* | [A-Za-z]:[\\/]*)]
1024 LD="$gcc_prog_ld" ;;
1030 CFLAGS=${CFLAGS-"-g"}
1031 CXXFLAGS=${CXXFLAGS-"-g -O2"}
1035 ACX_PROG_CMP_IGNORE_INITIAL
1037 # Check for GMP and MPFR
1041 # Specify a location for mpfr
1042 # check for this first so it ends up on the link line before gmp.
1043 AC_ARG_WITH(mpfr-dir, [ --with-mpfr-dir=PATH Specify source directory for MPFR library])
1045 if test "x$with_mpfr_dir" != x; then
1046 gmpinc="-I$with_mpfr_dir"
1047 gmplibs="$with_mpfr_dir/libmpfr.a"
1052 AC_ARG_WITH(mpfr, [ --with-mpfr=PATH Specify directory for installed MPFR library])
1054 if test "x$with_mpfr" != x; then
1055 gmplibs="-L$with_mpfr/lib $gmplibs"
1056 gmpinc="-I$with_mpfr/include"
1059 # Specify a location for gmp
1060 AC_ARG_WITH(gmp-dir, [ --with-gmp-dir=PATH Specify source directory for GMP library])
1062 if test "x$with_gmp_dir" != x; then
1063 gmpinc="$gmpinc -I$with_gmp_dir"
1064 if test -f "$with_gmp_dir/.libs/libgmp.a"; then
1065 gmplibs="$gmplibs $with_gmp_dir/.libs/libgmp.a"
1066 elif test -f "$with_gmp_dir/_libs/libgmp.a"; then
1067 gmplibs="$gmplibs $with_gmp_dir/_libs/libgmp.a"
1069 # One of the later tests will catch the error if neither library is present.
1071 gmplibs="$gmplibs -lgmp"
1074 AC_ARG_WITH(gmp, [ --with-gmp=PATH Specify directory for installed GMP library])
1076 if test "x$with_gmp" != x; then
1077 gmplibs="-L$with_gmp/lib $gmplibs"
1078 gmpinc="-I$with_gmp/include $gmpinc"
1081 saved_CFLAGS="$CFLAGS"
1082 CFLAGS="$CFLAGS $gmpinc"
1083 # Check GMP actually works
1084 AC_MSG_CHECKING([for correct version of gmp.h])
1085 AC_TRY_COMPILE([#include "gmp.h"],[
1086 #if __GNU_MP_VERSION < 3
1089 ], [AC_MSG_RESULT([yes])],
1090 [AC_MSG_RESULT([no]); have_gmp=no])
1092 if test x"$have_gmp" = xyes; then
1093 AC_MSG_CHECKING([for MPFR])
1096 LIBS="$LIBS $gmplibs"
1097 AC_TRY_LINK([#include <gmp.h>
1098 #include <mpfr.h>], [mpfr_t n; mpfr_init(n);],
1099 [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1101 CFLAGS="$saved_CFLAGS"
1104 # Flags needed for both GMP and/or MPFR
1108 # By default, C is the only stage 1 language.
1110 AC_SUBST(stage1_languages)
1112 # Figure out what language subdirectories are present.
1113 # Look if the user specified --enable-languages="..."; if not, use
1114 # the environment variable $LANGUAGES if defined. $LANGUAGES might
1116 # NB: embedded tabs in this IF block -- do not untabify
1117 if test -d ${srcdir}/gcc; then
1118 if test x"${enable_languages+set}" != xset; then
1119 if test x"${LANGUAGES+set}" = xset; then
1120 enable_languages="${LANGUAGES}"
1121 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1123 enable_languages=all
1126 if test x"${enable_languages}" = x ||
1127 test x"${enable_languages}" = xyes;
1129 echo configure.in: --enable-languages needs at least one language argument 1>&2
1133 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1135 # First scan to see if an enabled language requires some other language.
1136 # We assume that a given config-lang.in will list all the language
1137 # front ends it requires, even if some are required indirectly.
1138 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1139 case ${lang_frag} in
1141 # The odd quoting in the next line works around
1142 # an apparent bug in bash 1.12 on linux.
1143 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1145 # From the config-lang.in, get $language, $lang_requires
1149 for other in ${lang_requires} ; do
1150 case ,${enable_languages}, in
1154 echo " \`$other' language required by \`$language'; enabling" 1>&2
1155 enable_languages="${enable_languages},${other}"
1163 new_enable_languages=c
1164 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
1165 potential_languages=c
1167 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1168 case ${lang_frag} in
1170 # The odd quoting in the next line works around
1171 # an apparent bug in bash 1.12 on linux.
1172 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1174 # From the config-lang.in, get $language, $target_libs,
1175 # $lang_dirs, $boot_language, and $build_by_default
1183 potential_languages="${potential_languages},${language}"
1184 # This is quite sensitive to the ordering of the case statement arms.
1185 case ,${enable_languages},:${language}:${have_gnat}:${build_by_default} in
1187 echo "${lang_frag} doesn't set \$language." 1>&2
1191 # Ada was requested with no preexisting GNAT. Disable unconditionally.
1194 *,${language},*:*:*:*)
1195 # Language was explicitly selected; include it.
1199 # 'all' was selected, but this is not a default language
1200 # so do not include it.
1204 # 'all' was selected and this is a default language; include it.
1212 # Disable languages that need GMP if it isn't available.
1213 case ,${enable_languages},:${have_gmp}:${need_gmp} in
1214 *,${language},*:no:yes)
1215 # Specifically requested language; tell them.
1216 AC_MSG_ERROR([GMP with MPFR support is required to build $language])
1224 # Disable a language that is unsupported by the target.
1225 case " $unsupported_languages " in
1231 case $add_this_lang in
1233 # Remove language-dependent dirs.
1234 eval noconfigdirs='"$noconfigdirs "'\"$target_libs $lang_dirs\"
1237 new_enable_languages="$new_enable_languages,$language"
1238 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
1239 case ${boot_language} in
1241 # Add to (comma-separated) list of stage 1 languages.
1242 stage1_languages="${stage1_languages},${language}"
1251 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
1252 if test "x$missing_languages" != x; then
1254 The following requested languages could not be built: ${missing_languages}
1255 Recognised languages are: ${potential_languages}])
1258 if test "x$new_enable_languages" != "x$enable_languages"; then
1259 echo The following languages will be built: ${new_enable_languages}
1261 enable_languages="$new_enable_languages"
1262 ac_configure_args=`echo " $ac_configure_args" | sed -e 's/ --enable-languages=[[^ ]]*//' -e 's/$/ --enable-languages='"$enable_languages"/ `
1265 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
1266 # $build_configdirs and $target_configdirs.
1267 # If we have the source for $noconfigdirs entries, add them to $notsupp.
1270 for dir in . $skipdirs $noconfigdirs ; do
1271 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
1272 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1273 configdirs=`echo " ${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 " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1283 build_configdirs=`echo " ${build_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"
1292 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1293 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
1294 if test -r $srcdir/$dirname/configure ; then
1295 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1298 notsupp="$notsupp $dir"
1304 # Sometimes the tools are distributed with libiberty but with no other
1305 # libraries. In that case, we don't want to build target-libiberty.
1306 if test -n "${target_configdirs}" ; then
1308 for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do
1309 if test "$i" != "libiberty" ; then
1310 if test -r $srcdir/$i/configure ; then
1316 if test -z "${others}" ; then
1321 # Quietly strip out all directories which aren't configurable in this tree.
1322 # This relies on all configurable subdirectories being autoconfiscated, which
1324 build_configdirs_all="$build_configdirs"
1326 for i in ${build_configdirs_all} ; do
1327 j=`echo $i | sed -e s/build-//g`
1328 if test -f ${srcdir}/$j/configure ; then
1329 build_configdirs="${build_configdirs} $i"
1333 configdirs_all="$configdirs"
1335 for i in ${configdirs_all} ; do
1336 if test -f ${srcdir}/$i/configure ; then
1337 configdirs="${configdirs} $i"
1341 target_configdirs_all="$target_configdirs"
1343 for i in ${target_configdirs_all} ; do
1344 j=`echo $i | sed -e s/target-//g`
1345 if test -f ${srcdir}/$j/configure ; then
1346 target_configdirs="${target_configdirs} $i"
1350 # Produce a warning message for the subdirs we can't configure.
1351 # This isn't especially interesting in the Cygnus tree, but in the individual
1352 # FSF releases, it's important to let people know when their machine isn't
1353 # supported by the one or two programs in a package.
1355 if test -n "${notsupp}" && test -z "${norecursion}" ; then
1356 # If $appdirs is non-empty, at least one of those directories must still
1357 # be configured, or we error out. (E.g., if the gas release supports a
1358 # specified target in some subdirs but not the gas subdir, we shouldn't
1359 # pretend that all is well.)
1360 if test -n "$appdirs" ; then
1361 for dir in $appdirs ; do
1362 if test -r $dir/Makefile.in ; then
1363 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1367 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
1373 if test -n "$appdirs" ; then
1374 echo "*** This configuration is not supported by this package." 1>&2
1378 # Okay, some application will build, or we don't care to check. Still
1379 # notify of subdirs not getting built.
1380 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
1381 echo " ${notsupp}" 1>&2
1382 echo " (Any other directories should still work fine.)" 1>&2
1392 # Handle --with-headers=XXX. If the value is not "yes", the contents of
1393 # the named directory are copied to $(tooldir)/sys-include.
1394 if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
1395 if test x${is_cross_compiler} = xno ; then
1396 echo 1>&2 '***' --with-headers is only supported when cross compiling
1399 if test x"${with_headers}" != xyes ; then
1400 case "${exec_prefixoption}" in
1402 *) x=${exec_prefix} ;;
1404 copy_dirs="${copy_dirs} ${with_headers} $x/${target_alias}/sys-include"
1408 # Handle --with-libs=XXX. If the value is not "yes", the contents of
1409 # the name directories are copied to $(tooldir)/lib. Multiple directories
1411 if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
1412 if test x${is_cross_compiler} = xno ; then
1413 echo 1>&2 '***' --with-libs is only supported when cross compiling
1416 if test x"${with_libs}" != xyes ; then
1417 # Copy the libraries in reverse order, so that files in the first named
1418 # library override files in subsequent libraries.
1419 case "${exec_prefixoption}" in
1421 *) x=${exec_prefix} ;;
1423 for l in ${with_libs}; do
1424 copy_dirs="$l $x/${target_alias}/lib ${copy_dirs}"
1429 # Handle ${copy_dirs}
1430 set fnord ${copy_dirs}
1432 while test $# != 0 ; do
1433 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
1436 echo Copying $1 to $2
1438 # Use the install script to create the directory and all required
1439 # parent directories.
1440 if test -d $2 ; then
1444 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
1447 # Copy the directory, assuming we have tar.
1448 # FIXME: Should we use B in the second tar? Not all systems support it.
1449 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
1451 # It is the responsibility of the user to correctly adjust all
1452 # symlinks. If somebody can figure out how to handle them correctly
1453 # here, feel free to add the code.
1460 extra_arflags_for_target=
1461 extra_nmflags_for_target=
1462 extra_ranlibflags_for_target=
1463 target_makefile_frag=/dev/null
1466 target_makefile_frag="config/mt-netware"
1468 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu)
1469 target_makefile_frag="config/mt-gnu"
1471 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
1472 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
1473 # commands to handle both 32-bit and 64-bit objects. These flags are
1474 # harmless if we're using GNU nm or ar.
1475 extra_arflags_for_target=" -X32_64"
1476 extra_nmflags_for_target=" -B -X32_64"
1479 # ranlib from Darwin requires the -c flag to look at common symbols.
1480 extra_ranlibflags_for_target=" -c"
1482 mips*-*-pe | sh*-*-pe | *arm-wince-pe)
1483 target_makefile_frag="config/mt-wince"
1487 alphaieee_frag=/dev/null
1490 # This just makes sure to use the -mieee option to build target libs.
1491 # This should probably be set individually by each library.
1492 alphaieee_frag="config/mt-alphaieee"
1496 # If --enable-target-optspace always use -Os instead of -O2 to build
1497 # the target libraries, similarly if it is not specified, use -Os
1498 # on selected platforms.
1499 ospace_frag=/dev/null
1500 case "${enable_target_optspace}:${target}" in
1502 ospace_frag="config/mt-ospace"
1505 ospace_frag="config/mt-d30v"
1507 :m32r-* | :d10v-* | :fr30-*)
1508 ospace_frag="config/mt-ospace"
1513 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
1517 # Set with_gnu_as and with_gnu_ld as appropriate.
1519 # This is done by determining whether or not the appropriate directory
1520 # is available, and by checking whether or not specific configurations
1521 # have requested that this magic not happen.
1523 # The command line options always override the explicit settings in
1524 # configure.in, and the settings in configure.in override this magic.
1526 # If the default for a toolchain is to use GNU as and ld, and you don't
1527 # want to do that, then you should use the --without-gnu-as and
1528 # --without-gnu-ld options for the configure script.
1530 if test x${use_gnu_as} = x &&
1531 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
1533 extra_host_args="$extra_host_args --with-gnu-as"
1536 if test x${use_gnu_ld} = x &&
1537 echo " ${configdirs} " | grep " ld " > /dev/null 2>&1 ; then
1539 extra_host_args="$extra_host_args --with-gnu-ld"
1542 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
1543 # can detect this case.
1545 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
1547 extra_host_args="$extra_host_args --with-newlib"
1550 # Default to using --with-stabs for certain targets.
1551 if test x${with_stabs} = x ; then
1553 mips*-*-irix[[56]]*)
1555 mips*-*-* | alpha*-*-osf*)
1557 extra_host_args="${extra_host_args} --with-stabs"
1562 # hpux11 in 64bit mode has libraries in a weird place. Arrange to find
1563 # them automatically.
1566 extra_host_args="$extra_host_args -x-libraries=/usr/lib/pa20_64 -x-includes=/usr/X11R6/include"
1570 # Some systems (e.g., one of the i386-aix systems the gas testers are
1571 # using) don't handle "\$" correctly, so don't use it here.
1572 tooldir='${exec_prefix}'/${target_alias}
1573 build_tooldir=${tooldir}
1575 # Generate default definitions for YACC, M4, LEX and other programs that run
1576 # on the build machine. These are used if the Makefile can't locate these
1577 # programs in objdir.
1578 MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
1579 AC_CHECK_PROGS([CONFIGURED_BISON], [bison], [$MISSING bison])
1580 AC_CHECK_PROGS([CONFIGURED_YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
1581 AC_CHECK_PROGS([CONFIGURED_M4], [gm4 gnum4 m4], [$MISSING m4])
1582 AC_CHECK_PROGS([CONFIGURED_FLEX], [flex], [$MISSING flex])
1583 AC_CHECK_PROGS([CONFIGURED_LEX], [flex lex], [$MISSING flex])
1584 AC_CHECK_PROGS([CONFIGURED_MAKEINFO], makeinfo, [$MISSING makeinfo])
1586 # Create a .gdbinit file which runs the one in srcdir
1587 # and tells GDB to look there for source files.
1589 if test -r ${srcdir}/.gdbinit ; then
1592 *) cat > ./.gdbinit <<EOF
1596 source ${srcdir}/.gdbinit
1602 # Make sure that the compiler is able to generate an executable. If it
1603 # can't, we are probably in trouble. We don't care whether we can run the
1604 # executable--we might be using a cross compiler--we only care whether it
1605 # can be created. At this point the main configure script has set CC.
1607 echo "int main () { return 0; }" > conftest.c
1608 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
1609 if test $? = 0 ; then
1610 if test -s conftest || test -s conftest.exe ; then
1616 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
1617 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
1624 # The Solaris /usr/ucb/cc compiler does not appear to work.
1626 sparc-sun-solaris2*)
1627 CCBASE="`echo ${CC-cc} | sed 's/ .*$//'`"
1628 if test "`type $CCBASE | sed 's/^[[^/]]*//'`" = "/usr/ucb/cc" ; then
1630 test -d /opt/SUNWspro/bin && could_use="/opt/SUNWspro/bin"
1631 if test -d /opt/cygnus/bin ; then
1632 if test "$could_use" = "" ; then
1633 could_use="/opt/cygnus/bin"
1635 could_use="$could_use or /opt/cygnus/bin"
1638 if test "$could_use" = "" ; then
1639 echo "Warning: compilation may fail because you're using"
1640 echo "/usr/ucb/cc. You should change your PATH or CC "
1641 echo "variable and rerun configure."
1643 echo "Warning: compilation may fail because you're using"
1644 echo "/usr/ucb/cc, when you should use the C compiler from"
1645 echo "$could_use. You should change your"
1646 echo "PATH or CC variable and rerun configure."
1653 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
1654 *-*-darwin* | *-*-rhapsody* ) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;;
1655 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
1658 # Record target_configdirs and the configure arguments for target and
1659 # build configuration in Makefile.
1660 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
1661 build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
1663 # Determine whether gdb needs tk/tcl or not.
1664 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
1665 # and in that case we want gdb to be built without tk. Ugh!
1666 # In fact I believe gdb is the *only* package directly dependent on tk,
1667 # so we should be able to put the 'maybe's in unconditionally and
1668 # leave out the maybe dependencies when enable_gdbtk is false. I'm not
1669 # 100% sure that that's safe though.
1671 gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
1672 case "$enable_gdbtk" in
1676 GDB_TK="${gdb_tk}" ;;
1678 # Only add the dependency on gdbtk when GDBtk is part of the gdb
1679 # distro. Eventually someone will fix this and move Insight, nee
1680 # gdbtk to a separate directory.
1681 if test -d ${srcdir}/gdb/gdbtk ; then
1689 # Strip out unwanted targets.
1691 # While at that, we remove Makefiles if we were started for recursive
1692 # configuration, so that the top-level Makefile reconfigures them,
1693 # like we used to do when configure itself was recursive.
1695 # Loop over modules. $extrasub must be used with care, limiting as
1696 # much as possible the usage of range addresses. That's because autoconf
1697 # splits the sed script to overcome limits in the number of commands,
1698 # and relying on carefully-timed sed passes may turn out to be very hard
1699 # to maintain later. In this particular case, you just have to be careful
1700 # not to nest @if/@endif pairs, because configure will not warn you at all.
1702 AC_ARG_ENABLE([bootstrap],
1703 [ --enable-bootstrap[=lean] Enable bootstrapping [no]],,
1704 enable_bootstrap=default)
1706 # Issue errors and warnings for invalid/strange bootstrap combinations.
1707 case "$configdirs" in
1708 *gcc*) have_compiler=yes ;;
1709 *) have_compiler=no ;;
1712 case "$have_compiler:$host:$target:$enable_bootstrap" in
1715 # Default behavior. (We'll) enable bootstrap if we have a compiler
1716 # and we are in a native configuration.
1717 yes:$build:$build:default)
1718 # This will become 'yes'
1719 enable_bootstrap=no ;;
1722 enable_bootstrap=no ;;
1724 # We have a compiler and we are in a native configuration, bootstrap is ok
1725 yes:$build:$build:yes | yes:$build:$build:lean)
1728 # Other configurations, but we have a compiler. Assume the user knows
1730 yes:*:*:yes | yes:*:*:lean)
1731 AC_MSG_WARN([trying to bootstrap a cross compiler])
1734 # No compiler: if they passed --enable-bootstrap explicitly, fail
1735 no:*:*:yes | no:*:*:lean)
1736 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
1738 # Fail if wrong command line
1740 AC_MSG_ERROR([invalid option for --enable-bootstrap])
1744 # Adjust the toplevel makefile according to whether bootstrap was selected.
1745 case "$enable_bootstrap" in
1748 default_target=bootstrap
1749 bootstrap_suffix=bootstrap ;;
1752 default_target=bootstrap
1753 bootstrap_suffix=bootstrap ;;
1756 bootstrap_suffix=no-bootstrap ;;
1758 AC_SUBST(bootstrap_lean)
1759 AC_SUBST(default_target)
1761 for module in ${build_configdirs} ; do
1762 if test -z "${no_recursion}" \
1763 && test -f ${build_subdir}/${module}/Makefile; then
1764 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
1765 rm -f ${build_subdir}/${module}/Makefile
1768 /^@if build-$module\$/d
1769 /^@endif build-$module\$/d
1770 /^@if build-$module-$bootstrap_suffix\$/d
1771 /^@endif build-$module-$bootstrap_suffix\$/d"
1773 for module in ${configdirs} ; do
1774 if test -z "${no_recursion}" \
1775 && test -f ${module}/Makefile; then
1776 echo 1>&2 "*** removing ${module}/Makefile to force reconfigure"
1777 rm -f ${module}/Makefile
1781 /^@endif $module\$/d
1782 /^@if $module-$bootstrap_suffix\$/d
1783 /^@endif $module-$bootstrap_suffix\$/d"
1785 for module in ${target_configdirs} ; do
1786 if test -z "${no_recursion}" \
1787 && test -f ${target_subdir}/${module}/Makefile; then
1788 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
1789 rm -f ${target_subdir}/${module}/Makefile
1792 /^@if target-$module\$/d
1793 /^@endif target-$module\$/d
1794 /^@if target-$module-$bootstrap_suffix\$/d
1795 /^@endif target-$module-$bootstrap_suffix\$/d"
1799 /^@if /,/^@endif /d"
1801 # Create the serialization dependencies. This uses a temporary file.
1803 AC_ARG_ENABLE([serial-configure],
1804 [ --enable-serial-[{host,target,build}-]configure
1805 Force sequential configuration of
1806 sub-packages for the host, target or build
1807 machine, or all sub-packages])
1809 case ${enable_serial_configure} in
1811 enable_serial_build_configure=yes
1812 enable_serial_host_configure=yes
1813 enable_serial_target_configure=yes
1817 # These force 'configure's to be done one at a time, to avoid problems
1818 # with contention over a shared config.cache.
1820 echo '# serdep.tmp' > serdep.tmp
1822 test "x${enable_serial_build_configure}" = xyes &&
1823 for item in ${build_configdirs} ; do
1826 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
1831 test "x${enable_serial_host_configure}" = xyes &&
1832 for item in ${configdirs} ; do
1835 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
1840 test "x${enable_serial_target_configure}" = xyes &&
1841 for item in ${target_configdirs} ; do
1844 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
1848 serialization_dependencies=serdep.tmp
1849 AC_SUBST_FILE(serialization_dependencies)
1851 # Base args. Strip norecursion, cache-file, srcdir, host, build,
1852 # target and nonopt. These are the ones we might not want to pass
1853 # down to subconfigures. Also strip program-prefix, program-suffix,
1854 # and program-transform-name, so that we can pass down a consistent
1855 # program-transform-name. If autoconf has put single quotes around
1856 # any of these arguments (because they contain shell metacharacters)
1857 # then this will fail; in practice this only happens for
1858 # --program-transform-name, so be sure to override --program-transform-name
1859 # at the end of the argument list.
1860 # These will be expanded by make, so quote '$'.
1861 cat <<\EOF_SED > conftestsed
1863 s/ --c[[a-z-]]*[[= ]][[^ ]]*//g
1864 s/ --sr[[a-z-]]*[[= ]][[^ ]]*//g
1865 s/ --ho[[a-z-]]*[[= ]][[^ ]]*//g
1866 s/ --bu[[a-z-]]*[[= ]][[^ ]]*//g
1867 s/ --t[[a-z-]]*[[= ]][[^ ]]*//g
1868 s/ --program-[[pst]][[a-z-]]*[[= ]][[^ ]]*//g
1869 s/ -cache-file[[= ]][[^ ]]*//g
1870 s/ -srcdir[[= ]][[^ ]]*//g
1871 s/ -host[[= ]][[^ ]]*//g
1872 s/ -build[[= ]][[^ ]]*//g
1873 s/ -target[[= ]][[^ ]]*//g
1874 s/ -program-prefix[[= ]][[^ ]]*//g
1875 s/ -program-suffix[[= ]][[^ ]]*//g
1876 s/ -program-transform-name[[= ]][[^ ]]*//g
1877 s/ [[^' -][^ ]*] / /
1881 sed -f conftestsed <<EOF_SED > conftestsed.out
1882 ${ac_configure_args}
1884 baseargs=`cat conftestsed.out`
1885 rm -f conftestsed conftestsed.out
1887 # Add in --program-transform-name, after --program-prefix and
1888 # --program-suffix have been applied to it. Autoconf has already
1889 # doubled dollar signs and backslashes in program_transform_name; we want
1890 # the backslashes un-doubled, and then the entire thing wrapped in single
1891 # quotes, because this will be expanded first by make and then by the shell.
1892 # Also, because we want to override the logic in subdir configure scripts to
1893 # choose program_transform_name, replace any s,x,x, with s,y,y,.
1894 sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
1895 ${program_transform_name}
1897 gcc_transform_name=`cat conftestsed.out`
1898 rm -f conftestsed.out
1899 baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
1901 # For the build-side libraries, we just need to pretend we're native,
1902 # and not use the same cache file. Multilibs are neither needed nor
1904 build_configargs="--cache-file=../config.cache --build=${build_alias} --host=${build_alias} --target=${target_alias} ${baseargs}"
1906 # For host modules, accept cache file option, or specification as blank.
1907 case "${cache_file}" in
1909 cache_file_option="" ;;
1910 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
1911 cache_file_option="--cache-file=${cache_file}" ;;
1913 cache_file_option="--cache-file=../${cache_file}" ;;
1916 # Host dirs don't like to share a cache file either, horribly enough.
1917 # This seems to be due to autoconf 2.5x stupidity.
1918 host_configargs="--cache-file=./config.cache --build=${build_alias} --host=${host_alias} --target=${target_alias} ${extra_host_args} ${baseargs}"
1920 target_configargs=${baseargs}
1922 # Passing a --with-cross-host argument lets the target libraries know
1923 # whether they are being built with a cross-compiler or being built
1924 # native. However, it would be better to use other mechanisms to make the
1925 # sorts of decisions they want to make on this basis. Please consider
1926 # this option to be deprecated. FIXME.
1927 if test x${is_cross_compiler} = xyes ; then
1928 target_configargs="--with-cross-host=${host_alias} ${target_configargs}"
1931 # Default to --enable-multilib.
1932 if test x${enable_multilib} = x ; then
1933 target_configargs="--enable-multilib ${target_configargs}"
1936 # Pass --with-newlib if appropriate. Note that target_configdirs has
1937 # changed from the earlier setting of with_newlib.
1938 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
1939 target_configargs="--with-newlib ${target_configargs}"
1942 # Different target subdirs use different values of certain variables
1943 # (notably CXX). Worse, multilibs use *lots* of different values.
1944 # Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
1945 # it doesn't automatically accept command-line overrides of them.
1946 # This means it's not safe for target subdirs to share a cache file,
1947 # which is disgusting, but there you have it. Hopefully this can be
1948 # fixed in future. It's still worthwhile to use a cache file for each
1949 # directory. I think.
1951 # Pass the appropriate --build, --host, --target and --cache-file arguments.
1952 # We need to pass --target, as newer autoconf's requires consistency
1953 # for target_alias and gcc doesn't manage it consistently.
1954 target_configargs="--cache-file=./config.cache --build=${build_alias} --host=${target_alias} --target=${target_alias} ${target_configargs}"
1957 case " $target_configdirs " in
1959 case " $target_configargs " in
1960 *" --with-newlib "*)
1963 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 $$s/winsup/w32api/include' ;;
1966 # If we're not building GCC, don't discard standard headers.
1967 if test -d ${srcdir}/gcc; then
1968 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
1970 if test "${build}" != "${host}"; then
1971 # On Canadian crosses, CC_FOR_TARGET will have already been set
1972 # by `configure', so we won't have an opportunity to add -Bgcc/
1973 # to it. This is right: we don't want to search that directory
1974 # for binaries, but we want the header files in there, so add
1976 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include'
1978 # Someone might think of using the pre-installed headers on
1979 # Canadian crosses, in case the installed compiler is not fully
1980 # compatible with the compiler being built. In this case, it
1981 # would be better to flag an error than risking having
1982 # incompatible object files being constructed. We can't
1983 # guarantee that an error will be flagged, but let's hope the
1984 # compiler will do it, when presented with incompatible header
1989 case "${target}-${is_cross_compiler}" in
1990 i[[3456789]]86-*-linux*-no)
1991 # Here host == target, so we don't need to build gcc,
1992 # so we don't want to discard standard headers.
1993 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
1996 # If we're building newlib, use its generic headers last, but search
1997 # for any libc-related directories first (so make it the last -B
1999 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
2007 # Allow the user to override the flags for
2008 # our build compiler if desired.
2009 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
2011 # On Canadian crosses, we'll be searching the right directories for
2012 # the previously-installed cross compiler, so don't bother to add
2013 # flags for directories within the install tree of the compiler
2014 # being built; programs in there won't even run.
2015 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
2016 # Search for pre-installed headers if nothing else fits.
2017 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
2020 if test "x${use_gnu_ld}" = x &&
2021 echo " ${configdirs} " | grep " ld " > /dev/null ; then
2022 # Arrange for us to find uninstalled linker scripts.
2023 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld'
2026 if test "x${CC_FOR_TARGET+set}" = xset; then
2028 elif test -d ${srcdir}/gcc; then
2029 CC_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/'
2030 elif test "$host" = "$target"; then
2031 CC_FOR_TARGET='$(CC)'
2033 CC_FOR_TARGET=`echo gcc | sed "${program_transform_name}"`
2035 CC_FOR_TARGET=$CC_FOR_TARGET' $(FLAGS_FOR_TARGET)'
2037 if test "x${GCJ_FOR_TARGET+set}" = xset; then
2039 elif test -d ${srcdir}/gcc; then
2040 GCJ_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/gcj -B$$r/$(HOST_SUBDIR)/gcc/'
2041 elif test "$host" = "$target"; then
2042 GCJ_FOR_TARGET='gcj'
2044 GCJ_FOR_TARGET=`echo gcj | sed "${program_transform_name}"`
2046 GCJ_FOR_TARGET=$GCJ_FOR_TARGET' $(FLAGS_FOR_TARGET)'
2048 if test "x${GFORTRAN_FOR_TARGET+set}" = xset; then
2050 elif test -d ${srcdir}/gcc; then
2051 GFORTRAN_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/'
2052 elif test "$host" = "$target"; then
2053 GFORTRAN_FOR_TARGET='gfortran'
2055 GFORTRAN_FOR_TARGET=`echo gfortran | sed "${program_transform_name}"`
2057 case $GFORTRAN_FOR_TARGET in
2058 *' $(FLAGS_FOR_TARGET)') ;;
2059 *) GFORTRAN_FOR_TARGET=$GFORTRAN_FOR_TARGET' $(FLAGS_FOR_TARGET)' ;;
2062 # Don't use libstdc++-v3's flags to configure/build itself.
2063 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'
2064 raw_libstdcxx_flags='-L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs'
2066 if test "x${CXX_FOR_TARGET+set}" = xset; then
2067 if test "x${RAW_CXX_FOR_TARGET+set}" != xset; then
2068 RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
2070 elif test -d ${srcdir}/gcc; then
2071 # We add -shared-libgcc to CXX_FOR_TARGET whenever we use xgcc instead
2072 # of g++ for linking C++ or Java, because g++ has -shared-libgcc by
2073 # default whereas gcc does not.
2074 # RAW_CXX_FOR_TARGET is for linking C++ or java; CXX_FOR_TARGET is for
2076 CXX_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/g++ -B$$r/$(HOST_SUBDIR)/gcc/ -nostdinc++ '$libstdcxx_flags
2077 RAW_CXX_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc/ -nostdinc++ '$raw_libstdcxx_flags
2078 elif test "$host" = "$target"; then
2079 CXX_FOR_TARGET='$(CXX)'
2080 RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
2082 CXX_FOR_TARGET=`echo c++ | sed "${program_transform_name}"`
2083 RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
2085 CXX_FOR_TARGET=$CXX_FOR_TARGET' $(FLAGS_FOR_TARGET)'
2086 RAW_CXX_FOR_TARGET=$RAW_CXX_FOR_TARGET' $(FLAGS_FOR_TARGET)'
2088 qCXX_FOR_TARGET=`echo "$CXX_FOR_TARGET" | sed 's,[[&%]],\\\&,g'`
2089 qRAW_CXX_FOR_TARGET=`echo "$RAW_CXX_FOR_TARGET" | sed 's,[[&%]],\\\&,g'`
2091 # We want to defer the evaluation of `cmd`s and shell variables in
2092 # CXX_FOR_TARGET when recursing in the top-level Makefile, such as for
2093 # bootstrap. We'll enclose CXX_FOR_TARGET_FOR_RECURSIVE_MAKE in single
2094 # quotes, but we still have to duplicate `$'s so that shell variables
2095 # can be expanded by the nested make as shell variables, not as make
2097 qqCXX_FOR_TARGET=`echo "$qCXX_FOR_TARGET" | sed -e 's,[[$]][[$]],$$$$,g'`
2098 qqRAW_CXX_FOR_TARGET=`echo "$qRAW_CXX_FOR_TARGET" | sed -e 's,[[$]][[$]],$$$$,g'`
2100 # Wrap CC_FOR_TARGET and friends, for certain types of builds.
2101 CC_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${CC_FOR_TARGET}"
2102 GCJ_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${GCJ_FOR_TARGET}"
2103 GFORTRAN_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${GFORTRAN_FOR_TARGET}"
2104 CXX_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${qCXX_FOR_TARGET}"
2105 RAW_CXX_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${qRAW_CXX_FOR_TARGET}"
2106 CXX_FOR_TARGET_FOR_RECURSIVE_MAKE="\$(STAGE_CC_WRAPPER) ${qqCXX_FOR_TARGET}"
2107 RAW_CXX_FOR_TARGET_FOR_RECURSIVE_MAKE="\$(STAGE_CC_WRAPPER) ${qqRAW_CXX_FOR_TARGET}"
2109 # Makefile fragments.
2110 for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
2112 eval fragval=\$$frag
2113 if test $fragval != /dev/null; then
2114 eval $frag=${srcdir}/$fragval
2117 AC_SUBST_FILE(host_makefile_frag)
2118 AC_SUBST_FILE(target_makefile_frag)
2119 AC_SUBST_FILE(alphaieee_frag)
2120 AC_SUBST_FILE(ospace_frag)
2122 # Miscellanea: directories, flags, etc.
2123 AC_SUBST(RPATH_ENVVAR)
2124 AC_SUBST(BUILD_PREFIX)
2125 AC_SUBST(BUILD_PREFIX_1)
2127 AC_SUBST(build_tooldir)
2130 # Build module lists & subconfigure args.
2131 AC_SUBST(build_configargs)
2132 AC_SUBST(build_configdirs)
2134 # Host module lists & subconfigure args.
2135 AC_SUBST(host_configargs)
2136 AC_SUBST(configdirs)
2138 # Target module lists & subconfigure args.
2139 AC_SUBST(target_configargs)
2140 AC_SUBST(target_configdirs)
2143 AC_SUBST(CC_FOR_BUILD)
2144 AC_SUBST(config_shell)
2147 NCN_STRICT_CHECK_TOOL(AR, ar)
2148 NCN_STRICT_CHECK_TOOL(AS, as)
2149 NCN_STRICT_CHECK_TOOL(DLLTOOL, dlltool)
2150 NCN_STRICT_CHECK_TOOL(LD, ld)
2151 NCN_STRICT_CHECK_TOOL(NM, nm)
2152 NCN_STRICT_CHECK_TOOL(RANLIB, ranlib, :)
2153 NCN_STRICT_CHECK_TOOL(WINDRES, windres)
2154 NCN_STRICT_CHECK_TOOL(OBJCOPY, objcopy)
2155 NCN_STRICT_CHECK_TOOL(OBJDUMP, objdump)
2159 AC_SUBST(CFLAGS_FOR_BUILD)
2163 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_AR_FOR_TARGET, ar)
2164 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_AS_FOR_TARGET, as)
2165 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_DLLTOOL_FOR_TARGET, dlltool)
2166 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_LD_FOR_TARGET, ld)
2167 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_NM_FOR_TARGET, nm)
2168 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_RANLIB_FOR_TARGET, ranlib, :)
2169 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_WINDRES_FOR_TARGET, windres)
2171 AC_SUBST(GCC_FOR_TARGET)
2172 AC_SUBST(FLAGS_FOR_TARGET)
2173 AC_SUBST(CC_FOR_TARGET)
2174 AC_SUBST(GCJ_FOR_TARGET)
2175 AC_SUBST(GFORTRAN_FOR_TARGET)
2176 AC_SUBST(CXX_FOR_TARGET)
2177 AC_SUBST(RAW_CXX_FOR_TARGET)
2178 AC_SUBST(CXX_FOR_TARGET_FOR_RECURSIVE_MAKE)
2179 AC_SUBST(RAW_CXX_FOR_TARGET_FOR_RECURSIVE_MAKE)
2181 # Fix up target tools.
2182 if test "x${build}" = "x${host}" ; then
2183 # In this case, the newly built tools can and should be used,
2184 # so we override the results of the autoconf tests.
2185 # This should really only happen when the tools are actually being built,
2186 # but that's a further refinement. The new build scheme, where
2187 # tools are built into a structure paralleling where they're installed,
2188 # should also eliminate all of this cleanly.
2189 AR_FOR_TARGET="\$(USUAL_AR_FOR_TARGET)"
2190 AS_FOR_TARGET="\$(USUAL_AS_FOR_TARGET)"
2191 DLLTOOL_FOR_TARGET="\$(USUAL_DLLTOOL_FOR_TARGET)"
2192 LD_FOR_TARGET="\$(USUAL_LD_FOR_TARGET)"
2193 NM_FOR_TARGET="\$(USUAL_NM_FOR_TARGET)"
2194 RANLIB_FOR_TARGET="\$(USUAL_RANLIB_FOR_TARGET)"
2195 WINDRES_FOR_TARGET="\$(USUAL_WINDRES_FOR_TARGET)"
2197 # Just use the ones we found.
2198 AR_FOR_TARGET="\$(CONFIGURED_AR_FOR_TARGET)"
2199 AS_FOR_TARGET="\$(CONFIGURED_AS_FOR_TARGET)"
2200 DLLTOOL_FOR_TARGET="\$(CONFIGURED_DLLTOOL_FOR_TARGET)"
2201 LD_FOR_TARGET="\$(CONFIGURED_LD_FOR_TARGET)"
2202 NM_FOR_TARGET="\$(CONFIGURED_NM_FOR_TARGET)"
2203 RANLIB_FOR_TARGET="\$(CONFIGURED_RANLIB_FOR_TARGET)"
2204 WINDRES_FOR_TARGET="\$(CONFIGURED_WINDRES_FOR_TARGET)"
2206 AC_SUBST(AR_FOR_TARGET)
2207 AC_SUBST(AS_FOR_TARGET)
2208 AC_SUBST(DLLTOOL_FOR_TARGET)
2209 AC_SUBST(LD_FOR_TARGET)
2210 AC_SUBST(NM_FOR_TARGET)
2211 AC_SUBST(RANLIB_FOR_TARGET)
2212 AC_SUBST(WINDRES_FOR_TARGET)
2214 # Certain tools may need extra flags.
2215 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
2216 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
2217 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
2219 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
2220 AC_ARG_ENABLE(maintainer-mode,
2221 [ --enable-maintainer-mode enable make rules and dependencies not useful
2222 (and sometimes confusing) to the casual installer],
2223 USE_MAINTAINER_MODE=$enableval,
2224 USE_MAINTAINER_MODE=no)
2225 AC_MSG_RESULT($USE_MAINTAINER_MODE)
2226 AC_SUBST(MAINTAINER_MODE_TRUE)
2227 AC_SUBST(MAINTAINER_MODE_FALSE)
2228 if test "$USE_MAINTAINER_MODE" = yes; then
2229 MAINTAINER_MODE_TRUE=
2230 MAINTAINER_MODE_FALSE='#'
2232 MAINTAINER_MODE_TRUE='#'
2233 MAINTAINER_MODE_FALSE=
2235 MAINT=$MAINTAINER_MODE_TRUE
2238 # ---------------------
2239 # GCC bootstrap support
2240 # ---------------------
2242 # Stage specific cflags for build.
2247 yes) stage1_cflags="-g -Wa,-J" ;;
2248 *) stage1_cflags="-g -J" ;;
2251 # The spiffy cpp-precomp chokes on some legitimate constructs in GCC
2252 # sources; use -no-cpp-precomp to get to GNU cpp.
2253 # Apple's GCC has bugs in designated initializer handling, so disable
2255 stage1_cflags="-g -no-cpp-precomp -DHAVE_DESIGNATED_INITIALIZERS=0"
2258 AC_SUBST(stage1_cflags)
2260 # It makes debugging easier if we create as symlinks the stage directories
2261 # gcc for stageN-gcc and stagePREV-gcc for stage(N-1). In case this is not
2262 # possible, however, we can resort to mv.
2263 AC_CACHE_CHECK([if symbolic links between directories work],
2264 [gcc_cv_prog_ln_s_dir],
2265 [if test "${LN_S}" = "ln -s" \
2266 && mkdir confdir.s1 \
2267 && ln -s confdir.s1 confdir.s2 \
2268 && echo timestamp1 > confdir.s1/conftest.1 \
2269 && cmp confdir.s1/conftest.1 confdir.s2/conftest.1 \
2270 && echo timestamp2 > confdir.s2/conftest.2 \
2271 && cmp confdir.s1/conftest.2 confdir.s1/conftest.2 \
2272 && rm -f confdir.s2; then
2273 gcc_cv_prog_ln_s_dir=yes
2275 gcc_cv_prog_ln_s_dir=no
2277 rm -rf confdir.s1 confdir.s2])
2279 case ${gcc_cv_prog_ln_s_dir} in
2281 CREATE_LINK_TO_DIR='ln -s $$1 $$2'
2282 UNDO_LINK_TO_DIR='rm -f $$1' ;;
2284 CREATE_LINK_TO_DIR='mv $$1 $$2'
2285 UNDO_LINK_TO_DIR='mv $$1 $$2' ;;
2287 AC_SUBST(CREATE_LINK_TO_DIR)
2288 AC_SUBST(UNDO_LINK_TO_DIR)
2290 # Enable -Werror in bootstrap stage2 and later.
2291 # Change the default to "no" on release branches.
2292 AC_ARG_ENABLE(werror,
2293 [ --enable-werror enable -Werror in bootstrap stage2 and later], [],
2294 [enable_werror=yes])
2295 case ${enable_werror} in
2296 yes) stage2_werror_flag="--enable-werror-always" ;;
2297 *) stage2_werror_flag="" ;;
2299 AC_SUBST(stage2_werror_flag)