1 # Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998,
2 # 1999, 2000, 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
4 # This file is free software; you can redistribute it and/or modify it
5 # under the terms of the GNU General Public License as published by
6 # the Free Software Foundation; either version 2 of the License, or
7 # (at your option) any later version.
9 # This program is distributed in the hope that it will be useful, but
10 # WITHOUT ANY WARRANTY; without even the implied warranty of
11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 # General Public License for more details.
14 # You should have received a copy of the GNU General Public License
15 # along with this program; if not, write to the Free Software
16 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
18 ##############################################################################
19 ### WARNING: this file contains embedded tabs. Do not run untabify on this file.
21 sinclude(config/acx.m4)
22 sinclude(config/gcc-version.m4)
23 sinclude(config/gxx-include-dir.m4)
25 AC_INIT(move-if-change)
30 # Get 'install' or 'install-sh' and its variants.
35 ### we might need to use some other shell than /bin/sh for running subshells
36 ### If we are on Windows, search for the shell. This will permit people
37 ### to not have /bin/sh, but to be able to see /SOME/PATH/sh configure
38 ### without also having to set CONFIG_SHELL. This code will work when
39 ### using bash, which sets OSTYPE.
42 if test x${CONFIG_SHELL} = x ; then
43 if test ! -f /bin/sh ; then
44 if test x${SHELL} != x && test -f ${SHELL} ; then
48 for prog in sh sh.exe bash bash.exe; do
49 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
51 test -z "$dir" && dir=.
52 if test -f $dir/$prog; then
53 CONFIG_SHELL=$dir/$prog
59 test -n "${CONFIG_SHELL}" && break
67 config_shell=${CONFIG_SHELL-/bin/sh}
70 # if PWD already has a value, it is probably wrong.
71 if test -n "$PWD" ; then PWD=`${PWDCMD-pwd}`; fi
73 # Export original configure arguments for use by sub-configures. These
74 # will be expanded by make, so quote '$'.
76 sed -e 's,\$,$$,g' <<EOF_SED > conftestsed.out
79 TOPLEVEL_CONFIGURE_ARGUMENTS=`cat conftestsed.out`
81 AC_SUBST(TOPLEVEL_CONFIGURE_ARGUMENTS)
83 moveifchange=${srcdir}/move-if-change
85 srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}`
87 # We pass INSTALL explicitly to sub-makes. Make sure that it is not
89 if test "$INSTALL" = "${srcdir}/install-sh -c"; then
90 INSTALL="${srcpwd}/install-sh -c"
93 # Set srcdir to "." if that's what it is.
94 # This is important for multilib support.
96 if test "${pwd}" = "${srcpwd}" ; then
104 # Define the trigger file to make sure configure will re-run whenever
105 # the gcc version number changes.
106 TL_AC_GCC_VERSION([$topsrcdir])
107 if test -f $gcc_version_trigger ; then
108 case "$ac_configure_args" in
109 *--with-gcc-version-trigger=$gcc_version_trigger* )
112 # Add to all subconfigure arguments: build, host, and target.
113 ac_configure_args="$ac_configure_args --with-gcc-version-trigger=$gcc_version_trigger"
120 ### To add a new directory to the tree, first choose whether it is a target
121 ### or a host dependent tool. Then put it into the appropriate list
122 ### (library or tools, host or target), doing a dependency sort.
124 # Subdirs will be configured in the order listed in build_configdirs,
125 # configdirs, or target_configdirs; see the serialization section below.
127 # Dependency sorting is only needed when *configuration* must be done in
128 # a particular order. In all cases a dependency should be specified in
129 # the Makefile, whether or not it's implicitly specified here.
131 # Double entries in build_configdirs, configdirs, or target_configdirs may
132 # cause circular dependencies and break everything horribly.
134 # these library is used by various programs built for the build
137 build_libs="build-libiberty"
139 # these tools are built for the build environment
140 build_tools="build-texinfo build-byacc build-flex build-bison build-m4 build-fixincludes"
142 # these libraries are used by various programs built for the host environment
144 host_libs="intl mmalloc libiberty opcodes bfd readline tcl tk itcl libgui zlib libcpp"
146 # these tools are built for the host environment
147 # Note, the powerpc-eabi build depends on sim occurring before gdb in order to
148 # know that we are building the simulator.
149 # binutils, gas and ld appear in that order because it makes sense to run
150 # "make check" in that particular order.
151 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"
153 # libgcj represents the runtime libraries only used by gcj.
154 libgcj="target-libffi \
160 # these libraries are built for the target environment, and are built after
161 # the host libraries and the host tools (which may be a cross compiler)
163 target_libraries="target-libiberty \
166 target-libstdc++-v3 \
173 # these tools are built using the target libraries, and are intended to
174 # run only in the target environment
176 # note: any program that *uses* libraries that are in the "target_libraries"
177 # list belongs in this list. those programs are also very likely
178 # candidates for the "native_only" list which follows
180 target_tools="target-examples target-groff target-gperf target-rda"
182 ################################################################################
184 ## All tools belong in one of the four categories, and are assigned above
185 ## We assign ${configdirs} this way to remove all embedded newlines. This
186 ## is important because configure will choke if they ever get through.
187 ## ${configdirs} is directories we build using the host tools.
188 ## ${target_configdirs} is directories we build using the target tools.
189 configdirs=`echo ${host_libs} ${host_tools}`
190 target_configdirs=`echo ${target_libraries} ${target_tools}`
191 build_configdirs=`echo ${build_libs} ${build_tools}`
193 ################################################################################
195 srcname="gnu development package"
197 # This gets set non-empty for some net releases of packages.
200 # Define is_cross_compiler to save on calls to 'test'.
202 if test x"${host}" = x"${target}" ; then
205 is_cross_compiler=yes
208 # Find the build and target subdir names.
211 # Skipdirs are removed silently.
213 # Noconfigdirs are removed loudly.
217 # Make sure we don't let GNU ld be added if we didn't want it.
218 if test x$with_gnu_ld = xno ; then
220 noconfigdirs="$noconfigdirs ld"
224 # Make sure we don't let GNU as be added if we didn't want it.
225 if test x$with_gnu_as = xno ; then
227 noconfigdirs="$noconfigdirs gas"
230 # some tools are so dependent upon X11 that if we're not building with X,
231 # it's not even worth trying to configure, much less build, that tool.
234 yes | "") ;; # the default value for this tree is that X11 is available
236 skipdirs="${skipdirs} tk itcl libgui"
237 # We won't be able to build gdbtk without X.
240 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
243 # Some tools are only suitable for building in a "native" situation.
244 # Remove these if host!=target.
245 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"
247 # Similarly, some are only suitable for cross toolchains.
248 # Remove these if host=target.
249 cross_only="target-libgloss target-newlib target-opcodes"
251 case $is_cross_compiler in
252 no) skipdirs="${skipdirs} ${cross_only}" ;;
253 yes) skipdirs="${skipdirs} ${native_only}" ;;
256 # If both --with-headers and --with-libs are specified, default to
258 if test x"${with_headers}" != x && test x"${with_headers}" != xno \
259 && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
260 if test x"${with_newlib}" = x ; then
265 # Recognize --with-newlib/--without-newlib.
266 case ${with_newlib} in
267 no) skipdirs="${skipdirs} target-newlib" ;;
268 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
271 # Configure extra directories which are host specific
275 configdirs="$configdirs libtermcap" ;;
278 # Remove more programs from consideration, based on the host or
279 # target this usually means that a port of the program doesn't
284 noconfigdirs="$noconfigdirs byacc"
286 i[[3456789]]86-*-vsta)
287 noconfigdirs="$noconfigdirs tcl expect dejagnu make texinfo bison patch flex byacc send-pr gprof uudecode dejagnu diff guile perl itcl gnuserv gettext"
289 i[[3456789]]86-*-go32* | i[[3456789]]86-*-msdosdjgpp*)
290 noconfigdirs="$noconfigdirs tcl tk expect dejagnu send-pr uudecode guile itcl gnuserv libffi"
292 i[[3456789]]86-*-mingw32*)
293 # noconfigdirs="tcl tk expect dejagnu make texinfo bison patch flex byacc send-pr uudecode dejagnu diff guile perl itcl gnuserv"
294 noconfigdirs="$noconfigdirs expect dejagnu autoconf automake send-pr rcs guile perl texinfo libtool"
296 i[[3456789]]86-*-beos*)
297 noconfigdirs="$noconfigdirs tk itcl libgui gdb"
300 noconfigdirs="$noconfigdirs autoconf automake send-pr rcs guile perl"
303 noconfigdirs="$noconfigdirs rcs"
306 noconfigdirs="$noconfigdirs patch diff make tk tcl expect dejagnu autoconf automake texinfo bison send-pr gprof rcs guile perl itcl gnuserv"
309 noconfigdirs="$noconfigdirs tk itcl libgui gdb dejagnu readline"
314 AC_ARG_ENABLE(libada,
315 [ --enable-libada Builds libada directory],
316 ENABLE_LIBADA=$enableval,
318 if test "${ENABLE_LIBADA}" != "yes" ; then
319 noconfigdirs="$noconfigdirs target-libada"
320 noconfigdirs="$noconfigdirs gnattools"
323 # Save it here so that, even in case of --enable-libgcj, if the Java
324 # front-end isn't enabled, we still get libgcj disabled.
326 case $enable_libgcj in
328 # If we reset it here, it won't get added to noconfigdirs in the
329 # target-specific build rules, so it will be forcibly enabled
330 # (unless the Java language itself isn't enabled).
334 # Make sure we get it printed in the list of not supported target libs.
335 noconfigdirs="$noconfigdirs ${libgcj}"
340 # Allow --disable-libmudflap to exclude target-libmudflap
341 case $enable_libmudflap in
345 noconfigdirs="$noconfigdirs target-libmudflap"
349 *-*-linux*-gnu | *-*-gnu* | *-*-k*bsd*-gnu)
350 # Enable libmudflap by default in GNU and friends.
353 # Enable libmudflap by default in FreeBSD.
356 # Disable it by default everywhere else.
357 noconfigdirs="$noconfigdirs target-libmudflap"
365 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
368 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes gdb gprof"
371 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes gdb gprof"
372 noconfigdirs="$noconfigdirs ${libgcj}"
374 *-*-freebsd[[12]] | *-*-freebsd[[12]].* | *-*-freebsd*aout*)
375 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
378 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
379 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
380 && test -f /usr/local/include/gmp.h; then
384 # Skip some stuff that's unsupported on some FreeBSD configurations.
389 noconfigdirs="$noconfigdirs ${libgcj}"
394 # Remove unsupported stuff on all kaOS configurations.
395 skipdirs="target-libiberty ${libgcj} target-libstdc++-v3 target-librx"
396 skipdirs="$skipdirs target-libobjc target-examples target-groff target-gperf"
397 skipdirs="$skipdirs zlib fastjar target-libjava target-boehm-gc target-zlib"
398 noconfigdirs="$noconfigdirs target-libgloss"
401 # Skip some stuff on all NetBSD configurations.
402 noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss"
404 # Skip some stuff that's unsupported on some NetBSD configurations.
406 i*86-*-netbsdelf*) ;;
407 arm*-*-netbsdelf*) ;;
409 noconfigdirs="$noconfigdirs ${libgcj}"
414 noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss ${libgcj} target-libmudflap"
417 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
420 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-rda ${libgcj}"
423 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libiberty ${libgcj}"
426 # ld works, but does not support shared libraries.
427 # newlib is not 64 bit ready. I'm not sure about fileutils.
428 # gas doesn't generate exception information.
429 noconfigdirs="$noconfigdirs gas ld fileutils target-newlib target-libgloss"
432 noconfigdirs="$noconfigdirs gdb ld target-newlib target-libgloss ${libgcj}"
435 # newlib is not 64 bit ready
436 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
439 # newlib is not 64 bit ready
440 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
443 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
446 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
448 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
449 noconfigdirs="$noconfigdirs ${libgcj}"
450 noconfigdirs="$noconfigdirs target-examples"
451 noconfigdirs="$noconfigdirs target-libiberty texinfo send-pr"
452 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
453 noconfigdirs="$noconfigdirs expect dejagnu"
454 # the C++ libraries don't build on top of CE's C libraries
455 noconfigdirs="$noconfigdirs target-libstdc++-v3"
456 noconfigdirs="$noconfigdirs target-newlib"
458 *-*-cygwin*) ;; # keep gdb and readline
459 *) noconfigdirs="$noconfigdirs gdb readline"
464 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
468 arm-*-coff | strongarm-*-coff | xscale-*-coff)
469 noconfigdirs="$noconfigdirs ${libgcj}"
471 arm-*-elf* | strongarm-*-elf* | xscale-*-elf* | arm*-*-eabi* )
472 noconfigdirs="$noconfigdirs target-libffi target-qthreads"
475 noconfigdirs="$noconfigdirs ${libgcj} target-libiberty"
478 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
481 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
484 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
487 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
490 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
493 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
496 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
498 c54x*-*-* | tic54x-*-*)
499 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj} gcc gdb newlib"
501 cris-*-* | crisv32-*-*)
504 noconfigdirs="$noconfigdirs ${libgcj}";;
506 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss";;
510 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-mudflap ${libgcj}"
513 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
516 noconfigdirs="$noconfigdirs ${libgcj} gdb"
519 noconfigdirs="$noconfigdirs ${libgcj} gdb"
522 noconfigdirs="$noconfigdirs ${libgcj}"
525 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
528 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
530 hppa1.1-*-osf* | hppa1.1-*-bsd* )
532 hppa*64*-*-linux* | parisc*64*-*-linux*)
533 # In this case, it's because the hppa64-linux target is for
534 # the kernel only at this point and has no libc, and thus no
535 # headers, crt*.o, etc., all of which are needed by these.
536 noconfigdirs="$noconfigdirs target-zlib"
538 parisc*-*-linux* | hppa*-*-linux*)
544 noconfigdirs="$noconfigdirs ${libgcj}"
547 # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
548 # build on HP-UX 10.20.
549 noconfigdirs="$noconfigdirs ld shellutils ${libgcj}"
552 noconfigdirs="$noconfigdirs ${libgcj} gdb"
555 # No gdb support yet.
556 noconfigdirs="$noconfigdirs readline mmalloc libgui itcl gdb"
559 # No gdb or ld support yet.
560 noconfigdirs="$noconfigdirs ${libgcj} readline mmalloc libgui itcl gdb ld"
564 i[[3456789]]86-*-coff | i[[3456789]]86-*-elf)
565 noconfigdirs="$noconfigdirs ${libgcj}"
567 i[[3456789]]86-*-linux*)
568 # The GCC port for glibc1 has no MD_FALLBACK_FRAME_STATE_FOR, so let's
569 # not build java stuff by default.
572 noconfigdirs="$noconfigdirs ${libgcj}";;
575 # This section makes it possible to build newlib natively on linux.
576 # If we are using a cross compiler then don't configure newlib.
577 if test x${is_cross_compiler} != xno ; then
578 noconfigdirs="$noconfigdirs target-newlib"
580 noconfigdirs="$noconfigdirs target-libgloss"
581 # If we are not using a cross compiler, do configure newlib.
582 # Note however, that newlib will only be configured in this situation
583 # if the --with-newlib option has been given, because otherwise
584 # 'target-newlib' will appear in skipdirs.
586 i[[3456789]]86-*-mingw32*)
587 target_configdirs="$target_configdirs target-mingw"
588 noconfigdirs="$noconfigdirs expect target-libgloss ${libgcj}"
590 # Can't build gdb for mingw32 if not native.
592 i[[3456789]]86-*-mingw32) ;; # keep gdb tcl tk expect etc.
593 *) noconfigdirs="$noconfigdirs gdb tcl tk expect itcl gnuserv"
598 target_configdirs="$target_configdirs target-libtermcap target-winsup"
599 noconfigdirs="$noconfigdirs target-gperf target-libgloss ${libgcj}"
600 # always build newlib if winsup directory is present.
601 if test -d "$srcdir/winsup"; then
602 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
603 elif test -d "$srcdir/newlib"; then
604 echo "Warning: winsup is missing so newlib can't be built."
607 # Can't build gdb for Cygwin if not native.
609 *-*-cygwin*) ;; # keep gdb tcl tk expect etc.
610 *) noconfigdirs="$noconfigdirs gdb tcl tk expect itcl libgui gnuserv"
614 i[[3456789]]86-moss-msdos | i[[3456789]]86-*-moss* | \
615 i[[3456789]]86-*-uwin* | i[[3456789]]86-*-interix* )
618 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
620 i[[3456789]]86-*-sco3.2v5*)
621 # The linker does not yet know about weak symbols in COFF,
622 # and is not configured to handle mixed ELF and COFF.
623 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
625 i[[3456789]]86-*-sco*)
626 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
628 i[[3456789]]86-*-solaris2*)
629 noconfigdirs="$noconfigdirs target-libgloss"
631 i[[3456789]]86-*-sysv4*)
632 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
634 i[[3456789]]86-*-beos*)
635 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
638 noconfigdirs="$noconfigdirs ${libgcj}"
640 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
641 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
644 noconfigdirs="$noconfigdirs ${libgcj}"
647 noconfigdirs="$noconfigdirs ${libgcj}"
650 # The EPOC C++ environment does not support exceptions or rtti,
651 # and so building libstdc++-v3 tends not to always work.
652 noconfigdirs="$noconfigdirs target-libstdc++-v3"
655 noconfigdirs="$noconfigdirs ${libgcj} gdb libgloss target-libgfortran"
658 noconfigdirs="$noconfigdirs ${libgcj}"
661 noconfigdirs="$noconfigdirs ${libgcj}"
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"
914 host_makefile_frag="config/mh-mingw32"
917 host_makefile_frag="config/mh-interix"
920 # The old BSD pcc isn't up to compiling parts of gdb so use gcc
924 host_makefile_frag="config/mh-solaris"
927 # Sun's C compiler needs the -J flag to be able to compile cp-parse.c
928 # without overflowing the jump tables (-J says to use a 32 bit table)
932 tentative_cc="cc -Wp,-H256000"
935 tentative_cc="cc -Wp,-H256000"
938 # /bin/cc is less than useful for our purposes. Always use GCC
939 tentative_cc="/usr/cygnus/progressive/bin/gcc"
940 host_makefile_frag="config/mh-lynxrs6k"
943 host_makefile_frag="config/mh-ppc-darwin"
946 # /bin/cc is less than useful for our purposes. Always use GCC
947 tentative_cc="/bin/gcc"
950 host_makefile_frag="config/mh-sysv4"
952 # This is placed last to prevent interfering with the cases above.
954 # Build the stage2 and stage3 compilers with -fomit-frame-pointer.
955 host_makefile_frag="config/mh-x86omitfp"
960 # If we aren't going to be using gcc, see if we can extract a definition
961 # of CC from the fragment.
962 # Actually, use the 'pre-extracted' version above.
963 if test -z "${CC}" && test "${build}" = "${host}" ; then
964 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
967 test -z "$dir" && dir=.
968 if test -f $dir/gcc; then
974 if test -z "${found}" && test -n "${tentative_cc}" ; then
979 if test "${build}" != "${host}" ; then
980 # If we are doing a Canadian Cross, in which the host and build systems
981 # are not the same, we set reasonable default values for the tools.
983 CC=${CC-${host_alias}-gcc}
984 CFLAGS=${CFLAGS-"-g -O2"}
985 CXX=${CXX-${host_alias}-c++}
986 CXXFLAGS=${CXXFLAGS-"-g -O2"}
987 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
988 CC_FOR_TARGET=${CC_FOR_TARGET-${target_alias}-gcc}
989 CXX_FOR_TARGET=${CXX_FOR_TARGET-${target_alias}-c++}
990 GCJ_FOR_TARGET=${GCJ_FOR_TARGET-${target_alias}-gcj}
991 GCC_FOR_TARGET=${GCC_FOR_TARGET-${CC_FOR_TARGET-${target_alias}-gcc}}
992 BUILD_PREFIX=${build_alias}-
993 BUILD_PREFIX_1=${build_alias}-
996 # Set reasonable default values for some tools even if not Canadian.
997 # Of course, these are different reasonable default values, originally
998 # specified directly in the Makefile.
999 # We don't export, so that autoconf can do its job.
1000 # Note that all these settings are above the fragment inclusion point
1001 # in Makefile.in, so can still be overridden by fragments.
1002 # This is all going to change when we autoconfiscate...
1004 CC_FOR_BUILD="\$(CC)"
1005 GCC_FOR_TARGET="\$(USUAL_GCC_FOR_TARGET)"
1007 BUILD_PREFIX_1=loser-
1011 # We must set the default linker to the linker used by gcc for the correct
1012 # operation of libtool. If LD is not defined and we are using gcc, try to
1013 # set the LD default to the ld used by gcc.
1014 if test -z "$LD"; then
1015 if test "$GCC" = yes; then
1018 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1020 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1022 case $gcc_prog_ld in
1023 # Accept absolute paths.
1024 [[\\/]* | [A-Za-z]:[\\/]*)]
1025 LD="$gcc_prog_ld" ;;
1031 CFLAGS=${CFLAGS-"-g"}
1032 CXXFLAGS=${CXXFLAGS-"-g -O2"}
1036 ACX_PROG_CMP_IGNORE_INITIAL
1038 # Check for GMP and MPFR
1042 # Specify a location for mpfr
1043 # check for this first so it ends up on the link line before gmp.
1044 AC_ARG_WITH(mpfr-dir, [ --with-mpfr-dir=PATH Specify source directory for MPFR library])
1046 if test "x$with_mpfr_dir" != x; then
1047 gmpinc="-I$with_mpfr_dir/mpfr"
1048 gmplibs="$with_mpfr_dir/libmpfr.a"
1053 AC_ARG_WITH(mpfr, [ --with-mpfr=PATH Specify directory for installed MPFR library])
1055 if test "x$with_mpfr" != x; then
1056 gmplibs="-L$with_mpfr/lib $gmplibs"
1057 gmpinc="-I$with_mpfr/include"
1060 # Specify a location for gmp
1061 AC_ARG_WITH(gmp-dir, [ --with-gmp-dir=PATH Specify source directory for GMP library])
1063 if test "x$with_gmp_dir" != x; then
1064 gmpinc="$gmpinc -I$with_gmp_dir"
1065 if test -f "$with_gmp_dir/.libs/libgmp.a"; then
1066 gmplibs="$gmplibs $with_gmp_dir/.libs/libgmp.a"
1067 elif test -f "$with_gmp_dir/_libs/libgmp.a"; then
1068 gmplibs="$gmplibs $with_gmp_dir/_libs/libgmp.a"
1070 # One of the later tests will catch the error if neither library is present.
1072 gmplibs="$gmplibs -lgmp"
1075 AC_ARG_WITH(gmp, [ --with-gmp=PATH Specify directory for installed GMP library])
1077 if test "x$with_gmp" != x; then
1078 gmplibs="-L$with_gmp/lib $gmplibs"
1079 gmpinc="-I$with_gmp/include $gmpinc"
1082 saved_CFLAGS="$CFLAGS"
1083 CFLAGS="$CFLAGS $gmpinc"
1084 # Check GMP actually works
1085 AC_MSG_CHECKING([for correct version of gmp.h])
1086 AC_TRY_COMPILE([#include "gmp.h"],[
1087 #if __GNU_MP_VERSION < 3
1090 ], [AC_MSG_RESULT([yes])],
1091 [AC_MSG_RESULT([no]); have_gmp=no])
1093 if test x"$have_gmp" = xyes; then
1094 AC_MSG_CHECKING([for MPFR])
1097 LIBS="$LIBS $gmplibs"
1098 AC_TRY_LINK([#include <gmp.h>
1099 #include <mpfr.h>], [mpfr_t n; mpfr_init(n);],
1100 [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1102 CFLAGS="$saved_CFLAGS"
1105 # Flags needed for both GMP and/or MPFR
1109 # By default, C is the only stage 1 language.
1111 AC_SUBST(stage1_languages)
1113 # Figure out what language subdirectories are present.
1114 # Look if the user specified --enable-languages="..."; if not, use
1115 # the environment variable $LANGUAGES if defined. $LANGUAGES might
1117 # NB: embedded tabs in this IF block -- do not untabify
1118 if test -d ${srcdir}/gcc; then
1119 if test x"${enable_languages+set}" != xset; then
1120 if test x"${LANGUAGES+set}" = xset; then
1121 enable_languages="${LANGUAGES}"
1122 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1124 enable_languages=all
1127 if test x"${enable_languages}" = x ||
1128 test x"${enable_languages}" = xyes;
1130 echo configure.in: --enable-languages needs at least one language argument 1>&2
1134 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1136 # First scan to see if an enabled language requires some other language.
1137 # We assume that a given config-lang.in will list all the language
1138 # front ends it requires, even if some are required indirectly.
1139 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1140 case ${lang_frag} in
1142 # The odd quoting in the next line works around
1143 # an apparent bug in bash 1.12 on linux.
1144 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1146 # From the config-lang.in, get $language, $lang_requires
1150 for other in ${lang_requires} ; do
1151 case ,${enable_languages}, in
1155 echo " \`$other' language required by \`$language'; enabling" 1>&2
1156 enable_languages="${enable_languages},${other}"
1164 new_enable_languages=c
1165 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
1166 potential_languages=c
1168 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1169 case ${lang_frag} in
1171 # The odd quoting in the next line works around
1172 # an apparent bug in bash 1.12 on linux.
1173 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1175 # From the config-lang.in, get $language, $target_libs,
1176 # $lang_dirs, $boot_language, and $build_by_default
1184 potential_languages="${potential_languages},${language}"
1185 # This is quite sensitive to the ordering of the case statement arms.
1186 case ,${enable_languages},:${language}:${have_gnat}:${build_by_default} in
1188 echo "${lang_frag} doesn't set \$language." 1>&2
1192 # Ada was requested with no preexisting GNAT. Disable unconditionally.
1195 *,${language},*:*:*:*)
1196 # Language was explicitly selected; include it.
1200 # 'all' was selected, but this is not a default language
1201 # so do not include it.
1205 # 'all' was selected and this is a default language; include it.
1213 # Disable languages that need GMP if it isn't available.
1214 case ,${enable_languages},:${have_gmp}:${need_gmp} in
1215 *,${language},*:no:yes)
1216 # Specifically requested language; tell them.
1217 AC_MSG_ERROR([GMP with MPFR support is required to build $language])
1225 case $add_this_lang in
1227 # Remove language-dependent dirs.
1228 eval noconfigdirs='"$noconfigdirs "'\"$target_libs $lang_dirs\"
1231 new_enable_languages="$new_enable_languages,$language"
1232 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
1233 case ${boot_language} in
1235 # Add to (comma-separated) list of stage 1 languages.
1236 stage1_languages="${stage1_languages},${language}"
1245 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
1246 if test "x$missing_languages" != x; then
1248 The following requested languages were not found: ${missing_languages}
1249 The available languages are: ${potential_languages}])
1252 if test "x$new_enable_languages" != "x$enable_languages"; then
1253 echo The following languages will be built: ${new_enable_languages}
1255 enable_languages="$new_enable_languages"
1256 ac_configure_args=`echo " $ac_configure_args" | sed -e 's/ --enable-languages=[[^ ]]*//' -e 's/$/ --enable-languages='"$enable_languages"/ `
1259 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
1260 # $build_configdirs and $target_configdirs.
1261 # If we have the source for $noconfigdirs entries, add them to $notsupp.
1264 for dir in . $skipdirs $noconfigdirs ; do
1265 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
1266 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1267 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
1268 if test -r $srcdir/$dirname/configure ; then
1269 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1272 notsupp="$notsupp $dir"
1276 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1277 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"`
1278 if test -r $srcdir/$dirname/configure ; then
1279 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1282 notsupp="$notsupp $dir"
1286 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1287 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
1288 if test -r $srcdir/$dirname/configure ; then
1289 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1292 notsupp="$notsupp $dir"
1298 # Sometimes the tools are distributed with libiberty but with no other
1299 # libraries. In that case, we don't want to build target-libiberty.
1300 if test -n "${target_configdirs}" ; then
1302 for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do
1303 if test "$i" != "libiberty" ; then
1304 if test -r $srcdir/$i/configure ; then
1310 if test -z "${others}" ; then
1315 # Quietly strip out all directories which aren't configurable in this tree.
1316 # This relies on all configurable subdirectories being autoconfiscated, which
1318 build_configdirs_all="$build_configdirs"
1320 for i in ${build_configdirs_all} ; do
1321 j=`echo $i | sed -e s/build-//g`
1322 if test -f ${srcdir}/$j/configure ; then
1323 build_configdirs="${build_configdirs} $i"
1327 configdirs_all="$configdirs"
1329 for i in ${configdirs_all} ; do
1330 if test -f ${srcdir}/$i/configure ; then
1331 configdirs="${configdirs} $i"
1335 target_configdirs_all="$target_configdirs"
1337 for i in ${target_configdirs_all} ; do
1338 j=`echo $i | sed -e s/target-//g`
1339 if test -f ${srcdir}/$j/configure ; then
1340 target_configdirs="${target_configdirs} $i"
1344 # Produce a warning message for the subdirs we can't configure.
1345 # This isn't especially interesting in the Cygnus tree, but in the individual
1346 # FSF releases, it's important to let people know when their machine isn't
1347 # supported by the one or two programs in a package.
1349 if test -n "${notsupp}" && test -z "${norecursion}" ; then
1350 # If $appdirs is non-empty, at least one of those directories must still
1351 # be configured, or we error out. (E.g., if the gas release supports a
1352 # specified target in some subdirs but not the gas subdir, we shouldn't
1353 # pretend that all is well.)
1354 if test -n "$appdirs" ; then
1355 for dir in $appdirs ; do
1356 if test -r $dir/Makefile.in ; then
1357 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1361 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
1367 if test -n "$appdirs" ; then
1368 echo "*** This configuration is not supported by this package." 1>&2
1372 # Okay, some application will build, or we don't care to check. Still
1373 # notify of subdirs not getting built.
1374 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
1375 echo " ${notsupp}" 1>&2
1376 echo " (Any other directories should still work fine.)" 1>&2
1386 # Handle --with-headers=XXX. If the value is not "yes", the contents of
1387 # the named directory are copied to $(tooldir)/sys-include.
1388 if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
1389 if test x${is_cross_compiler} = xno ; then
1390 echo 1>&2 '***' --with-headers is only supported when cross compiling
1393 if test x"${with_headers}" != xyes ; then
1394 case "${exec_prefixoption}" in
1396 *) x=${exec_prefix} ;;
1398 copy_dirs="${copy_dirs} ${with_headers} $x/${target_alias}/sys-include"
1402 # Handle --with-libs=XXX. If the value is not "yes", the contents of
1403 # the name directories are copied to $(tooldir)/lib. Multiple directories
1405 if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
1406 if test x${is_cross_compiler} = xno ; then
1407 echo 1>&2 '***' --with-libs is only supported when cross compiling
1410 if test x"${with_libs}" != xyes ; then
1411 # Copy the libraries in reverse order, so that files in the first named
1412 # library override files in subsequent libraries.
1413 case "${exec_prefixoption}" in
1415 *) x=${exec_prefix} ;;
1417 for l in ${with_libs}; do
1418 copy_dirs="$l $x/${target_alias}/lib ${copy_dirs}"
1423 # Handle ${copy_dirs}
1424 set fnord ${copy_dirs}
1426 while test $# != 0 ; do
1427 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
1430 echo Copying $1 to $2
1432 # Use the install script to create the directory and all required
1433 # parent directories.
1434 if test -d $2 ; then
1438 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
1441 # Copy the directory, assuming we have tar.
1442 # FIXME: Should we use B in the second tar? Not all systems support it.
1443 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
1445 # It is the responsibility of the user to correctly adjust all
1446 # symlinks. If somebody can figure out how to handle them correctly
1447 # here, feel free to add the code.
1454 extra_arflags_for_target=
1455 extra_nmflags_for_target=
1456 extra_ranlibflags_for_target=
1457 target_makefile_frag=/dev/null
1460 target_makefile_frag="config/mt-netware"
1462 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu)
1463 target_makefile_frag="config/mt-gnu"
1465 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
1466 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
1467 # commands to handle both 32-bit and 64-bit objects. These flags are
1468 # harmless if we're using GNU nm or ar.
1469 extra_arflags_for_target=" -X32_64"
1470 extra_nmflags_for_target=" -B -X32_64"
1473 # ranlib from Darwin requires the -c flag to look at common symbols.
1474 extra_ranlibflags_for_target=" -c"
1476 mips*-*-pe | sh*-*-pe | *arm-wince-pe)
1477 target_makefile_frag="config/mt-wince"
1481 alphaieee_frag=/dev/null
1484 # This just makes sure to use the -mieee option to build target libs.
1485 # This should probably be set individually by each library.
1486 alphaieee_frag="config/mt-alphaieee"
1490 # If --enable-target-optspace always use -Os instead of -O2 to build
1491 # the target libraries, similarly if it is not specified, use -Os
1492 # on selected platforms.
1493 ospace_frag=/dev/null
1494 case "${enable_target_optspace}:${target}" in
1496 ospace_frag="config/mt-ospace"
1499 ospace_frag="config/mt-d30v"
1501 :m32r-* | :d10v-* | :fr30-*)
1502 ospace_frag="config/mt-ospace"
1507 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
1511 # Set with_gnu_as and with_gnu_ld as appropriate.
1513 # This is done by determining whether or not the appropriate directory
1514 # is available, and by checking whether or not specific configurations
1515 # have requested that this magic not happen.
1517 # The command line options always override the explicit settings in
1518 # configure.in, and the settings in configure.in override this magic.
1520 # If the default for a toolchain is to use GNU as and ld, and you don't
1521 # want to do that, then you should use the --without-gnu-as and
1522 # --without-gnu-ld options for the configure script.
1524 if test x${use_gnu_as} = x &&
1525 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
1527 extra_host_args="$extra_host_args --with-gnu-as"
1530 if test x${use_gnu_ld} = x &&
1531 echo " ${configdirs} " | grep " ld " > /dev/null 2>&1 ; then
1533 extra_host_args="$extra_host_args --with-gnu-ld"
1536 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
1537 # can detect this case.
1539 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
1541 extra_host_args="$extra_host_args --with-newlib"
1544 # Default to using --with-stabs for certain targets.
1545 if test x${with_stabs} = x ; then
1547 mips*-*-irix[[56]]*)
1549 mips*-*-* | alpha*-*-osf*)
1551 extra_host_args="${extra_host_args} --with-stabs"
1556 # hpux11 in 64bit mode has libraries in a weird place. Arrange to find
1557 # them automatically.
1560 extra_host_args="$extra_host_args -x-libraries=/usr/lib/pa20_64 -x-includes=/usr/X11R6/include"
1564 # Some systems (e.g., one of the i386-aix systems the gas testers are
1565 # using) don't handle "\$" correctly, so don't use it here.
1566 tooldir='${exec_prefix}'/${target_alias}
1567 build_tooldir=${tooldir}
1569 # Generate default definitions for YACC, M4, LEX and other programs that run
1570 # on the build machine. These are used if the Makefile can't locate these
1571 # programs in objdir.
1572 MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
1573 AC_CHECK_PROGS([CONFIGURED_BISON], [bison], [$MISSING bison])
1574 AC_CHECK_PROGS([CONFIGURED_YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
1575 AC_CHECK_PROGS([CONFIGURED_M4], [gm4 gnum4 m4], [$MISSING m4])
1576 AC_CHECK_PROGS([CONFIGURED_FLEX], [flex], [$MISSING flex])
1577 AC_CHECK_PROGS([CONFIGURED_LEX], [flex lex], [$MISSING flex])
1578 AC_CHECK_PROGS([CONFIGURED_MAKEINFO], makeinfo, [$MISSING makeinfo])
1580 # Create a .gdbinit file which runs the one in srcdir
1581 # and tells GDB to look there for source files.
1583 if test -r ${srcdir}/.gdbinit ; then
1586 *) cat > ./.gdbinit <<EOF
1590 source ${srcdir}/.gdbinit
1596 # Make sure that the compiler is able to generate an executable. If it
1597 # can't, we are probably in trouble. We don't care whether we can run the
1598 # executable--we might be using a cross compiler--we only care whether it
1599 # can be created. At this point the main configure script has set CC.
1601 echo "int main () { return 0; }" > conftest.c
1602 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
1603 if test $? = 0 ; then
1604 if test -s conftest || test -s conftest.exe ; then
1610 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
1611 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
1618 # The Solaris /usr/ucb/cc compiler does not appear to work.
1620 sparc-sun-solaris2*)
1621 CCBASE="`echo ${CC-cc} | sed 's/ .*$//'`"
1622 if test "`type $CCBASE | sed 's/^[[^/]]*//'`" = "/usr/ucb/cc" ; then
1624 test -d /opt/SUNWspro/bin && could_use="/opt/SUNWspro/bin"
1625 if test -d /opt/cygnus/bin ; then
1626 if test "$could_use" = "" ; then
1627 could_use="/opt/cygnus/bin"
1629 could_use="$could_use or /opt/cygnus/bin"
1632 if test "$could_use" = "" ; then
1633 echo "Warning: compilation may fail because you're using"
1634 echo "/usr/ucb/cc. You should change your PATH or CC "
1635 echo "variable and rerun configure."
1637 echo "Warning: compilation may fail because you're using"
1638 echo "/usr/ucb/cc, when you should use the C compiler from"
1639 echo "$could_use. You should change your"
1640 echo "PATH or CC variable and rerun configure."
1646 # If no --enable-shared nor --disable-shared is specified, we set up
1647 # LD_LIBRARY_PATH when we build for gcc.
1648 case $enable_shared in
1650 if test -d ${srcdir}/gcc; then
1657 set_lib_path=$enable_shared
1661 # If --enable-shared was set, we must set LD_LIBRARY_PATH so that the
1662 # binutils tools will find libbfd.so.
1663 case "${set_lib_path}" in
1664 no) SET_LIB_PATH= ;;
1665 *) SET_LIB_PATH="\$(REALLY_SET_LIB_PATH)" ;;
1669 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
1670 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
1673 # Record target_configdirs and the configure arguments for target and
1674 # build configuration in Makefile.
1675 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
1676 build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
1678 # Determine whether gdb needs tk/tcl or not.
1679 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
1680 # and in that case we want gdb to be built without tk. Ugh!
1681 # In fact I believe gdb is the *only* package directly dependent on tk,
1682 # so we should be able to put the 'maybe's in unconditionally and
1683 # leave out the maybe dependencies when enable_gdbtk is false. I'm not
1684 # 100% sure that that's safe though.
1686 gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
1687 case "$enable_gdbtk" in
1691 GDB_TK="${gdb_tk}" ;;
1693 # Only add the dependency on gdbtk when GDBtk is part of the gdb
1694 # distro. Eventually someone will fix this and move Insight, nee
1695 # gdbtk to a separate directory.
1696 if test -d ${srcdir}/gdb/gdbtk ; then
1704 # Strip out unwanted targets.
1706 # While at that, we remove Makefiles if we were started for recursive
1707 # configuration, so that the top-level Makefile reconfigures them,
1708 # like we used to do when configure itself was recursive.
1710 # Loop over modules. $extrasub must be used with care, limiting as
1711 # much as possible the usage of range addresses. That's because autoconf
1712 # splits the sed script to overcome limits in the number of commands,
1713 # and relying on carefully-timed sed passes may turn out to be very hard
1714 # to maintain later. In this particular case, you just have to be careful
1715 # not to nest @if/@endif pairs, because configure will not warn you at all.
1717 AC_ARG_ENABLE([bootstrap],
1718 [ --enable-bootstrap[=lean] Enable bootstrapping [no]],,
1719 enable_bootstrap=default)
1721 # Issue errors and warnings for invalid/strange bootstrap combinations.
1722 case "$configdirs" in
1723 *gcc*) have_compiler=yes ;;
1724 *) have_compiler=no ;;
1727 case "$have_compiler:$host:$target:$enable_bootstrap" in
1730 # Default behavior. (We'll) enable bootstrap if we have a compiler
1731 # and we are in a native configuration.
1732 yes:$build:$build:default)
1733 # This will become 'yes'
1734 enable_bootstrap=no ;;
1737 enable_bootstrap=no ;;
1739 # We have a compiler and we are in a native configuration, bootstrap is ok
1740 yes:$build:$build:yes | yes:$build:$build:lean)
1743 # Other configurations, but we have a compiler. Assume the user knows
1745 yes:*:*:yes | yes:*:*:lean)
1746 AC_MSG_WARN([trying to bootstrap a cross compiler])
1749 # No compiler: if they passed --enable-bootstrap explicitly, fail
1750 no:*:*:yes | no:*:*:lean)
1751 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
1753 # Fail if wrong command line
1755 AC_MSG_ERROR([invalid option for --enable-bootstrap])
1759 # Adjust the toplevel makefile according to whether bootstrap was selected.
1760 case "$enable_bootstrap" in
1763 default_target=bootstrap
1764 bootstrap_suffix=bootstrap ;;
1767 default_target=bootstrap
1768 bootstrap_suffix=bootstrap ;;
1771 bootstrap_suffix=no-bootstrap ;;
1773 AC_SUBST(bootstrap_lean)
1774 AC_SUBST(default_target)
1776 for module in ${build_configdirs} ; do
1777 if test -z "${no_recursion}" \
1778 && test -f ${build_subdir}/${module}/Makefile; then
1779 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
1780 rm -f ${build_subdir}/${module}/Makefile
1783 /^@if build-$module\$/d
1784 /^@endif build-$module\$/d
1785 /^@if build-$module-$bootstrap_suffix\$/d
1786 /^@endif build-$module-$bootstrap_suffix\$/d"
1788 for module in ${configdirs} ; do
1789 if test -z "${no_recursion}" \
1790 && test -f ${module}/Makefile; then
1791 echo 1>&2 "*** removing ${module}/Makefile to force reconfigure"
1792 rm -f ${module}/Makefile
1796 /^@endif $module\$/d
1797 /^@if $module-$bootstrap_suffix\$/d
1798 /^@endif $module-$bootstrap_suffix\$/d"
1800 for module in ${target_configdirs} ; do
1801 if test -z "${no_recursion}" \
1802 && test -f ${target_subdir}/${module}/Makefile; then
1803 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
1804 rm -f ${target_subdir}/${module}/Makefile
1807 /^@if target-$module\$/d
1808 /^@endif target-$module\$/d
1809 /^@if target-$module-$bootstrap_suffix\$/d
1810 /^@endif target-$module-$bootstrap_suffix\$/d"
1814 /^@if /,/^@endif /d"
1816 # Create the serialization dependencies. This uses a temporary file.
1818 AC_ARG_ENABLE([serial-configure],
1819 [ --enable-serial-[{host,target,build}-]configure
1820 Force sequential configuration of
1821 sub-packages for the host, target or build
1822 machine, or all sub-packages])
1824 case ${enable_serial_configure} in
1826 enable_serial_build_configure=yes
1827 enable_serial_host_configure=yes
1828 enable_serial_target_configure=yes
1832 # These force 'configure's to be done one at a time, to avoid problems
1833 # with contention over a shared config.cache.
1835 echo '# serdep.tmp' > serdep.tmp
1837 test "x${enable_serial_build_configure}" = xyes &&
1838 for item in ${build_configdirs} ; do
1841 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
1846 test "x${enable_serial_host_configure}" = xyes &&
1847 for item in ${configdirs} ; do
1850 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
1855 test "x${enable_serial_target_configure}" = xyes &&
1856 for item in ${target_configdirs} ; do
1859 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
1863 serialization_dependencies=serdep.tmp
1864 AC_SUBST_FILE(serialization_dependencies)
1866 # Base args. Strip norecursion, cache-file, srcdir, host, build,
1867 # target and nonopt. These are the ones we might not want to pass
1868 # down to subconfigures. Also strip program-prefix, program-suffix,
1869 # and program-transform-name, so that we can pass down a consistent
1870 # program-transform-name. If autoconf has put single quotes around
1871 # any of these arguments (because they contain shell metacharacters)
1872 # then this will fail; in practice this only happens for
1873 # --program-transform-name, so be sure to override --program-transform-name
1874 # at the end of the argument list.
1875 # These will be expanded by make, so quote '$'.
1876 cat <<\EOF_SED > conftestsed
1878 s/ --c[[a-z-]]*[[= ]][[^ ]]*//g
1879 s/ --sr[[a-z-]]*[[= ]][[^ ]]*//g
1880 s/ --ho[[a-z-]]*[[= ]][[^ ]]*//g
1881 s/ --bu[[a-z-]]*[[= ]][[^ ]]*//g
1882 s/ --t[[a-z-]]*[[= ]][[^ ]]*//g
1883 s/ --program-[[pst]][[a-z-]]*[[= ]][[^ ]]*//g
1884 s/ -cache-file[[= ]][[^ ]]*//g
1885 s/ -srcdir[[= ]][[^ ]]*//g
1886 s/ -host[[= ]][[^ ]]*//g
1887 s/ -build[[= ]][[^ ]]*//g
1888 s/ -target[[= ]][[^ ]]*//g
1889 s/ -program-prefix[[= ]][[^ ]]*//g
1890 s/ -program-suffix[[= ]][[^ ]]*//g
1891 s/ -program-transform-name[[= ]][[^ ]]*//g
1892 s/ [[^' -][^ ]*] / /
1896 sed -f conftestsed <<EOF_SED > conftestsed.out
1897 ${ac_configure_args}
1899 baseargs=`cat conftestsed.out`
1900 rm -f conftestsed conftestsed.out
1902 # Add in --program-transform-name, after --program-prefix and
1903 # --program-suffix have been applied to it. Autoconf has already
1904 # doubled dollar signs and backslashes in program_transform_name; we want
1905 # the backslashes un-doubled, and then the entire thing wrapped in single
1906 # quotes, because this will be expanded first by make and then by the shell.
1907 # Also, because we want to override the logic in subdir configure scripts to
1908 # choose program_transform_name, replace any s,x,x, with s,y,y,.
1909 sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
1910 ${program_transform_name}
1912 gcc_transform_name=`cat conftestsed.out`
1913 rm -f conftestsed.out
1914 baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
1916 # For the build-side libraries, we just need to pretend we're native,
1917 # and not use the same cache file. Multilibs are neither needed nor
1919 build_configargs="--cache-file=../config.cache --build=${build_alias} --host=${build_alias} --target=${target_alias} ${baseargs}"
1921 # For host modules, accept cache file option, or specification as blank.
1922 case "${cache_file}" in
1924 cache_file_option="" ;;
1925 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
1926 cache_file_option="--cache-file=${cache_file}" ;;
1928 cache_file_option="--cache-file=../${cache_file}" ;;
1931 # Host dirs don't like to share a cache file either, horribly enough.
1932 # This seems to be due to autoconf 2.5x stupidity.
1933 host_configargs="--cache-file=./config.cache --build=${build_alias} --host=${host_alias} --target=${target_alias} ${extra_host_args} ${baseargs}"
1935 target_configargs=${baseargs}
1937 # Passing a --with-cross-host argument lets the target libraries know
1938 # whether they are being built with a cross-compiler or being built
1939 # native. However, it would be better to use other mechanisms to make the
1940 # sorts of decisions they want to make on this basis. Please consider
1941 # this option to be deprecated. FIXME.
1942 if test x${is_cross_compiler} = xyes ; then
1943 target_configargs="--with-cross-host=${host_alias} ${target_configargs}"
1946 # Default to --enable-multilib.
1947 if test x${enable_multilib} = x ; then
1948 target_configargs="--enable-multilib ${target_configargs}"
1951 # Pass --with-newlib if appropriate. Note that target_configdirs has
1952 # changed from the earlier setting of with_newlib.
1953 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
1954 target_configargs="--with-newlib ${target_configargs}"
1957 # Different target subdirs use different values of certain variables
1958 # (notably CXX). Worse, multilibs use *lots* of different values.
1959 # Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
1960 # it doesn't automatically accept command-line overrides of them.
1961 # This means it's not safe for target subdirs to share a cache file,
1962 # which is disgusting, but there you have it. Hopefully this can be
1963 # fixed in future. It's still worthwhile to use a cache file for each
1964 # directory. I think.
1966 # Pass the appropriate --host, --build, and --cache-file arguments.
1967 target_configargs="--cache-file=./config.cache --host=${target_alias} --build=${build_alias} ${target_configargs}"
1969 # provide a proper gxx_include_dir.
1970 TL_AC_GXX_INCLUDE_DIR
1973 case " $target_configdirs " in
1975 case " $target_configargs " in
1976 *" --with-newlib "*)
1979 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 $$s/winsup/w32api/include' ;;
1982 # If we're not building GCC, don't discard standard headers.
1983 if test -d ${srcdir}/gcc; then
1984 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
1986 if test "${build}" != "${host}"; then
1987 # On Canadian crosses, CC_FOR_TARGET will have already been set
1988 # by `configure', so we won't have an opportunity to add -Bgcc/
1989 # to it. This is right: we don't want to search that directory
1990 # for binaries, but we want the header files in there, so add
1992 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include'
1994 # Someone might think of using the pre-installed headers on
1995 # Canadian crosses, in case the installed compiler is not fully
1996 # compatible with the compiler being built. In this case, it
1997 # would be better to flag an error than risking having
1998 # incompatible object files being constructed. We can't
1999 # guarantee that an error will be flagged, but let's hope the
2000 # compiler will do it, when presented with incompatible header
2005 case "${target}-${is_cross_compiler}" in
2006 i[[3456789]]86-*-linux*-no)
2007 # Here host == target, so we don't need to build gcc,
2008 # so we don't want to discard standard headers.
2009 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
2012 # If we're building newlib, use its generic headers last, but search
2013 # for any libc-related directories first (so make it the last -B
2015 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
2023 # Allow the user to override the flags for
2024 # our build compiler if desired.
2025 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
2027 # On Canadian crosses, we'll be searching the right directories for
2028 # the previously-installed cross compiler, so don't bother to add
2029 # flags for directories within the install tree of the compiler
2030 # being built; programs in there won't even run.
2031 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
2032 # Search for pre-installed headers if nothing else fits.
2033 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
2036 if test "x${use_gnu_ld}" = x &&
2037 echo " ${configdirs} " | grep " ld " > /dev/null ; then
2038 # Arrange for us to find uninstalled linker scripts.
2039 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld'
2042 if test "x${CC_FOR_TARGET+set}" = xset; then
2044 elif test -d ${srcdir}/gcc; then
2045 CC_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/'
2046 elif test "$host" = "$target"; then
2047 CC_FOR_TARGET='$(CC)'
2049 CC_FOR_TARGET=`echo gcc | sed "${program_transform_name}"`
2051 CC_FOR_TARGET=$CC_FOR_TARGET' $(FLAGS_FOR_TARGET)'
2053 if test "x${GCJ_FOR_TARGET+set}" = xset; then
2055 elif test -d ${srcdir}/gcc; then
2056 GCJ_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/gcj -B$$r/$(HOST_SUBDIR)/gcc/'
2057 elif test "$host" = "$target"; then
2058 GCJ_FOR_TARGET='gcj'
2060 GCJ_FOR_TARGET=`echo gcj | sed "${program_transform_name}"`
2062 GCJ_FOR_TARGET=$GCJ_FOR_TARGET' $(FLAGS_FOR_TARGET)'
2064 if test "x${GFORTRAN_FOR_TARGET+set}" = xset; then
2066 elif test -d ${srcdir}/gcc; then
2067 GFORTRAN_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/'
2068 elif test "$host" = "$target"; then
2069 GFORTRAN_FOR_TARGET='gfortran'
2071 GFORTRAN_FOR_TARGET=`echo gfortran | sed "${program_transform_name}"`
2073 case $GFORTRAN_FOR_TARGET in
2074 *' $(FLAGS_FOR_TARGET)') ;;
2075 *) GFORTRAN_FOR_TARGET=$GFORTRAN_FOR_TARGET' $(FLAGS_FOR_TARGET)' ;;
2078 # Don't use libstdc++-v3's flags to configure/build itself.
2079 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'
2080 raw_libstdcxx_flags='-L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs'
2082 if test "x${CXX_FOR_TARGET+set}" = xset; then
2083 if test "x${RAW_CXX_FOR_TARGET+set}" != xset; then
2084 RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
2086 elif test -d ${srcdir}/gcc; then
2087 # We add -shared-libgcc to CXX_FOR_TARGET whenever we use xgcc instead
2088 # of g++ for linking C++ or Java, because g++ has -shared-libgcc by
2089 # default whereas gcc does not.
2090 # RAW_CXX_FOR_TARGET is for linking C++ or java; CXX_FOR_TARGET is for
2092 CXX_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/g++ -B$$r/$(HOST_SUBDIR)/gcc/ -nostdinc++ '$libstdcxx_flags
2093 RAW_CXX_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc/ -nostdinc++ '$raw_libstdcxx_flags
2094 elif test "$host" = "$target"; then
2095 CXX_FOR_TARGET='$(CXX)'
2096 RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
2098 CXX_FOR_TARGET=`echo c++ | sed "${program_transform_name}"`
2099 RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
2101 CXX_FOR_TARGET=$CXX_FOR_TARGET' $(FLAGS_FOR_TARGET)'
2102 RAW_CXX_FOR_TARGET=$RAW_CXX_FOR_TARGET' $(FLAGS_FOR_TARGET)'
2104 qCXX_FOR_TARGET=`echo "$CXX_FOR_TARGET" | sed 's,[[&%]],\\\&,g'`
2105 qRAW_CXX_FOR_TARGET=`echo "$RAW_CXX_FOR_TARGET" | sed 's,[[&%]],\\\&,g'`
2107 # We want to defer the evaluation of `cmd`s and shell variables in
2108 # CXX_FOR_TARGET when recursing in the top-level Makefile, such as for
2109 # bootstrap. We'll enclose CXX_FOR_TARGET_FOR_RECURSIVE_MAKE in single
2110 # quotes, but we still have to duplicate `$'s so that shell variables
2111 # can be expanded by the nested make as shell variables, not as make
2113 qqCXX_FOR_TARGET=`echo "$qCXX_FOR_TARGET" | sed -e 's,[[$]][[$]],$$$$,g'`
2114 qqRAW_CXX_FOR_TARGET=`echo "$qRAW_CXX_FOR_TARGET" | sed -e 's,[[$]][[$]],$$$$,g'`
2116 # Wrap CC_FOR_TARGET and friends, for certain types of builds.
2117 CC_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${CC_FOR_TARGET}"
2118 GCJ_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${GCJ_FOR_TARGET}"
2119 GFORTRAN_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${GFORTRAN_FOR_TARGET}"
2120 CXX_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${qCXX_FOR_TARGET}"
2121 RAW_CXX_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${qRAW_CXX_FOR_TARGET}"
2122 CXX_FOR_TARGET_FOR_RECURSIVE_MAKE="\$(STAGE_CC_WRAPPER) ${qqCXX_FOR_TARGET}"
2123 RAW_CXX_FOR_TARGET_FOR_RECURSIVE_MAKE="\$(STAGE_CC_WRAPPER) ${qqRAW_CXX_FOR_TARGET}"
2125 # Makefile fragments.
2126 for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
2128 eval fragval=\$$frag
2129 if test $fragval != /dev/null; then
2130 eval $frag=${srcdir}/$fragval
2133 AC_SUBST_FILE(host_makefile_frag)
2134 AC_SUBST_FILE(target_makefile_frag)
2135 AC_SUBST_FILE(alphaieee_frag)
2136 AC_SUBST_FILE(ospace_frag)
2138 # Miscellanea: directories, flags, etc.
2139 AC_SUBST(SET_LIB_PATH)
2140 AC_SUBST(RPATH_ENVVAR)
2141 AC_SUBST(BUILD_PREFIX)
2142 AC_SUBST(BUILD_PREFIX_1)
2144 AC_SUBST(build_tooldir)
2147 # Build module lists & subconfigure args.
2148 AC_SUBST(build_configargs)
2149 AC_SUBST(build_configdirs)
2151 # Host module lists & subconfigure args.
2152 AC_SUBST(host_configargs)
2153 AC_SUBST(configdirs)
2155 # Target module lists & subconfigure args.
2156 AC_SUBST(target_configargs)
2157 AC_SUBST(target_configdirs)
2160 AC_SUBST(CC_FOR_BUILD)
2161 AC_SUBST(config_shell)
2164 NCN_STRICT_CHECK_TOOL(AR, ar)
2165 NCN_STRICT_CHECK_TOOL(AS, as)
2166 NCN_STRICT_CHECK_TOOL(DLLTOOL, dlltool)
2167 NCN_STRICT_CHECK_TOOL(LD, ld)
2168 NCN_STRICT_CHECK_TOOL(NM, nm)
2169 NCN_STRICT_CHECK_TOOL(RANLIB, ranlib, :)
2170 NCN_STRICT_CHECK_TOOL(WINDRES, windres)
2171 NCN_STRICT_CHECK_TOOL(OBJCOPY, objcopy)
2172 NCN_STRICT_CHECK_TOOL(OBJDUMP, objdump)
2176 AC_SUBST(CFLAGS_FOR_BUILD)
2180 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_AR_FOR_TARGET, ar)
2181 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_AS_FOR_TARGET, as)
2182 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_DLLTOOL_FOR_TARGET, dlltool)
2183 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_LD_FOR_TARGET, ld)
2184 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_NM_FOR_TARGET, nm)
2185 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_RANLIB_FOR_TARGET, ranlib, :)
2186 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_WINDRES_FOR_TARGET, windres)
2188 AC_SUBST(GCC_FOR_TARGET)
2189 AC_SUBST(FLAGS_FOR_TARGET)
2190 AC_SUBST(CC_FOR_TARGET)
2191 AC_SUBST(GCJ_FOR_TARGET)
2192 AC_SUBST(GFORTRAN_FOR_TARGET)
2193 AC_SUBST(CXX_FOR_TARGET)
2194 AC_SUBST(RAW_CXX_FOR_TARGET)
2195 AC_SUBST(CXX_FOR_TARGET_FOR_RECURSIVE_MAKE)
2196 AC_SUBST(RAW_CXX_FOR_TARGET_FOR_RECURSIVE_MAKE)
2198 # Fix up target tools.
2199 if test "x${build}" = "x${host}" ; then
2200 # In this case, the newly built tools can and should be used,
2201 # so we override the results of the autoconf tests.
2202 # This should really only happen when the tools are actually being built,
2203 # but that's a further refinement. The new build scheme, where
2204 # tools are built into a structure paralleling where they're installed,
2205 # should also eliminate all of this cleanly.
2206 AR_FOR_TARGET="\$(USUAL_AR_FOR_TARGET)"
2207 AS_FOR_TARGET="\$(USUAL_AS_FOR_TARGET)"
2208 DLLTOOL_FOR_TARGET="\$(USUAL_DLLTOOL_FOR_TARGET)"
2209 LD_FOR_TARGET="\$(USUAL_LD_FOR_TARGET)"
2210 NM_FOR_TARGET="\$(USUAL_NM_FOR_TARGET)"
2211 RANLIB_FOR_TARGET="\$(USUAL_RANLIB_FOR_TARGET)"
2212 WINDRES_FOR_TARGET="\$(USUAL_WINDRES_FOR_TARGET)"
2214 # Just use the ones we found.
2215 AR_FOR_TARGET="\$(CONFIGURED_AR_FOR_TARGET)"
2216 AS_FOR_TARGET="\$(CONFIGURED_AS_FOR_TARGET)"
2217 DLLTOOL_FOR_TARGET="\$(CONFIGURED_DLLTOOL_FOR_TARGET)"
2218 LD_FOR_TARGET="\$(CONFIGURED_LD_FOR_TARGET)"
2219 NM_FOR_TARGET="\$(CONFIGURED_NM_FOR_TARGET)"
2220 RANLIB_FOR_TARGET="\$(CONFIGURED_RANLIB_FOR_TARGET)"
2221 WINDRES_FOR_TARGET="\$(CONFIGURED_WINDRES_FOR_TARGET)"
2223 AC_SUBST(AR_FOR_TARGET)
2224 AC_SUBST(AS_FOR_TARGET)
2225 AC_SUBST(DLLTOOL_FOR_TARGET)
2226 AC_SUBST(LD_FOR_TARGET)
2227 AC_SUBST(NM_FOR_TARGET)
2228 AC_SUBST(RANLIB_FOR_TARGET)
2229 AC_SUBST(WINDRES_FOR_TARGET)
2231 # Certain tools may need extra flags.
2232 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
2233 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
2234 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
2236 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
2237 AC_ARG_ENABLE(maintainer-mode,
2238 [ --enable-maintainer-mode enable make rules and dependencies not useful
2239 (and sometimes confusing) to the casual installer],
2240 USE_MAINTAINER_MODE=$enableval,
2241 USE_MAINTAINER_MODE=no)
2242 AC_MSG_RESULT($USE_MAINTAINER_MODE)
2243 AC_SUBST(MAINTAINER_MODE_TRUE)
2244 AC_SUBST(MAINTAINER_MODE_FALSE)
2245 if test "$USE_MAINTAINER_MODE" = yes; then
2246 MAINTAINER_MODE_TRUE=
2247 MAINTAINER_MODE_FALSE='#'
2249 MAINTAINER_MODE_TRUE='#'
2250 MAINTAINER_MODE_FALSE=
2252 MAINT=$MAINTAINER_MODE_TRUE
2255 # ---------------------
2256 # GCC bootstrap support
2257 # ---------------------
2259 # Stage specific cflags for build.
2264 yes) stage1_cflags="-g -Wa,-J" ;;
2265 *) stage1_cflags="-g -J" ;;
2268 # The spiffy cpp-precomp chokes on some legitimate constructs in GCC
2269 # sources; use -no-cpp-precomp to get to GNU cpp.
2270 # Apple's GCC has bugs in designated initializer handling, so disable
2272 stage1_cflags="-g -no-cpp-precomp -DHAVE_DESIGNATED_INITIALIZERS=0"
2275 AC_SUBST(stage1_cflags)
2277 # It makes debugging easier if we create as symlinks the stage directories
2278 # gcc for stageN-gcc and stagePREV-gcc for stage(N-1). In case this is not
2279 # possible, however, we can resort to mv.
2280 AC_CACHE_CHECK([if symbolic links between directories work],
2281 [gcc_cv_prog_ln_s_dir],
2282 [if test "${LN_S}" = "ln -s" \
2283 && mkdir confdir.s1 \
2284 && ln -s confdir.s1 confdir.s2 \
2285 && echo timestamp1 > confdir.s1/conftest.1 \
2286 && cmp confdir.s1/conftest.1 confdir.s2/conftest.1 \
2287 && echo timestamp2 > confdir.s2/conftest.2 \
2288 && cmp confdir.s1/conftest.2 confdir.s1/conftest.2 \
2289 && rm -f confdir.s2; then
2290 gcc_cv_prog_ln_s_dir=yes
2292 gcc_cv_prog_ln_s_dir=no
2294 rm -rf confdir.s1 confdir.s2])
2296 case ${gcc_cv_prog_ln_s_dir} in
2298 CREATE_LINK_TO_DIR='ln -s $$1 $$2'
2299 UNDO_LINK_TO_DIR='rm -f $$1' ;;
2301 CREATE_LINK_TO_DIR='mv $$1 $$2'
2302 UNDO_LINK_TO_DIR='mv $$1 $$2' ;;
2304 AC_SUBST(CREATE_LINK_TO_DIR)
2305 AC_SUBST(UNDO_LINK_TO_DIR)
2307 # Enable -Werror in bootstrap stage2 and later.
2308 # Change the default to "no" on release branches.
2309 AC_ARG_ENABLE(werror,
2310 [ --enable-werror enable -Werror in bootstrap stage2 and later], [],
2311 [enable_werror=yes])
2312 case ${enable_werror} in
2313 yes) stage2_werror_flag="--enable-werror-always" ;;
2314 *) stage2_werror_flag="" ;;
2316 AC_SUBST(stage2_werror_flag)
2318 # If gcc is built natively with shared library enabled, set
2319 # $RPATH_ENVVAR to make sure the newly built gcc shared librares are
2322 if test -d ${srcdir}/gcc && test x${is_cross_compiler} = xno; then
2323 case "${set_lib_path}" in
2326 eval "d=\$$RPATH_ENVVAR"
2327 if test x"$d" != x; then
2332 SET_GCC_LIB_PATH="\$(RPATH_ENVVAR)=$d; export \$(RPATH_ENVVAR);"
2336 AC_SUBST(SET_GCC_LIB_PATH)