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 # Remove more programs from consideration, based on the host or
261 # target this usually means that a port of the program doesn't
266 noconfigdirs="$noconfigdirs byacc"
268 i[[3456789]]86-*-vsta)
269 noconfigdirs="$noconfigdirs tcl expect dejagnu make texinfo bison patch flex byacc send-pr gprof uudecode dejagnu diff guile perl itcl gnuserv gettext"
271 i[[3456789]]86-*-go32* | i[[3456789]]86-*-msdosdjgpp*)
272 noconfigdirs="$noconfigdirs tcl tk expect dejagnu send-pr uudecode guile itcl gnuserv libffi"
274 i[[3456789]]86-*-mingw32*)
275 # noconfigdirs="tcl tk expect dejagnu make texinfo bison patch flex byacc send-pr uudecode dejagnu diff guile perl itcl gnuserv"
276 noconfigdirs="$noconfigdirs expect dejagnu autoconf automake send-pr rcs guile perl texinfo libtool"
278 i[[3456789]]86-*-beos*)
279 noconfigdirs="$noconfigdirs tk itcl libgui gdb"
282 noconfigdirs="$noconfigdirs autoconf automake send-pr rcs guile perl"
285 noconfigdirs="$noconfigdirs rcs"
288 noconfigdirs="$noconfigdirs patch diff make tk tcl expect dejagnu autoconf automake texinfo bison send-pr gprof rcs guile perl itcl gnuserv"
291 noconfigdirs="$noconfigdirs tk itcl libgui gdb dejagnu readline"
296 AC_ARG_ENABLE(libada,
297 [ --enable-libada Builds libada directory],
298 ENABLE_LIBADA=$enableval,
300 if test "${ENABLE_LIBADA}" != "yes" ; then
301 noconfigdirs="$noconfigdirs target-libada"
302 noconfigdirs="$noconfigdirs gnattools"
305 # Save it here so that, even in case of --enable-libgcj, if the Java
306 # front-end isn't enabled, we still get libgcj disabled.
308 case $enable_libgcj in
310 # If we reset it here, it won't get added to noconfigdirs in the
311 # target-specific build rules, so it will be forcibly enabled
312 # (unless the Java language itself isn't enabled).
316 # Make sure we get it printed in the list of not supported target libs.
317 noconfigdirs="$noconfigdirs ${libgcj}"
322 # Allow --disable-libmudflap to exclude target-libmudflap
323 case $enable_libmudflap in
327 noconfigdirs="$noconfigdirs target-libmudflap"
331 *-*-linux*-gnu | *-*-gnu* | *-*-k*bsd*-gnu)
332 # Enable libmudflap by default in GNU and friends.
335 # Enable libmudflap by default in FreeBSD.
338 # Disable it by default everywhere else.
339 noconfigdirs="$noconfigdirs target-libmudflap"
347 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
350 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes gdb gprof"
353 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes gdb gprof"
354 noconfigdirs="$noconfigdirs ${libgcj}"
356 *-*-freebsd[[12]] | *-*-freebsd[[12]].* | *-*-freebsd*aout*)
357 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
360 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
361 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
362 && test -f /usr/local/include/gmp.h; then
366 # Skip some stuff that's unsupported on some FreeBSD configurations.
371 noconfigdirs="$noconfigdirs ${libgcj}"
376 # Remove unsupported stuff on all kaOS configurations.
377 skipdirs="target-libiberty ${libgcj} target-libstdc++-v3 target-librx"
378 skipdirs="$skipdirs target-libobjc target-examples target-groff target-gperf"
379 skipdirs="$skipdirs zlib fastjar target-libjava target-boehm-gc target-zlib"
380 noconfigdirs="$noconfigdirs target-libgloss"
383 # Skip some stuff on all NetBSD configurations.
384 noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss"
386 # Skip some stuff that's unsupported on some NetBSD configurations.
388 i*86-*-netbsdelf*) ;;
389 arm*-*-netbsdelf*) ;;
391 noconfigdirs="$noconfigdirs ${libgcj}"
396 noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss ${libgcj} target-libmudflap"
399 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
402 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-rda ${libgcj}"
405 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libiberty ${libgcj}"
408 # ld works, but does not support shared libraries.
409 # newlib is not 64 bit ready. I'm not sure about fileutils.
410 # gas doesn't generate exception information.
411 noconfigdirs="$noconfigdirs gas ld fileutils target-newlib target-libgloss"
414 noconfigdirs="$noconfigdirs gdb ld target-newlib target-libgloss ${libgcj}"
417 # newlib is not 64 bit ready
418 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
421 # newlib is not 64 bit ready
422 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
425 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
428 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
430 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
431 noconfigdirs="$noconfigdirs ${libgcj}"
432 noconfigdirs="$noconfigdirs target-examples"
433 noconfigdirs="$noconfigdirs target-libiberty texinfo send-pr"
434 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
435 noconfigdirs="$noconfigdirs expect dejagnu"
436 # the C++ libraries don't build on top of CE's C libraries
437 noconfigdirs="$noconfigdirs target-libstdc++-v3"
438 noconfigdirs="$noconfigdirs target-newlib"
440 *-*-cygwin*) ;; # keep gdb and readline
441 *) noconfigdirs="$noconfigdirs gdb readline"
446 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
450 arm-*-coff | strongarm-*-coff | xscale-*-coff)
451 noconfigdirs="$noconfigdirs ${libgcj}"
453 arm-*-elf* | strongarm-*-elf* | xscale-*-elf* | arm*-*-eabi* )
454 noconfigdirs="$noconfigdirs target-libffi target-qthreads"
457 noconfigdirs="$noconfigdirs ${libgcj} target-libiberty"
460 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
463 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
466 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
469 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
472 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
475 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
478 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
480 c54x*-*-* | tic54x-*-*)
481 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj} gcc gdb newlib"
483 cris-*-* | crisv32-*-*)
486 noconfigdirs="$noconfigdirs ${libgcj}";;
488 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss";;
492 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-mudflap ${libgcj}"
495 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
498 noconfigdirs="$noconfigdirs ${libgcj} gdb"
501 noconfigdirs="$noconfigdirs ${libgcj} gdb"
504 noconfigdirs="$noconfigdirs ${libgcj}"
507 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
510 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
512 hppa1.1-*-osf* | hppa1.1-*-bsd* )
514 hppa*64*-*-linux* | parisc*64*-*-linux*)
515 # In this case, it's because the hppa64-linux target is for
516 # the kernel only at this point and has no libc, and thus no
517 # headers, crt*.o, etc., all of which are needed by these.
518 noconfigdirs="$noconfigdirs target-zlib"
520 parisc*-*-linux* | hppa*-*-linux*)
526 noconfigdirs="$noconfigdirs ${libgcj}"
529 # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
530 # build on HP-UX 10.20.
531 noconfigdirs="$noconfigdirs ld shellutils ${libgcj}"
534 noconfigdirs="$noconfigdirs ${libgcj} gdb"
537 # No gdb support yet.
538 noconfigdirs="$noconfigdirs readline mmalloc libgui itcl gdb"
541 # No gdb or ld support yet.
542 noconfigdirs="$noconfigdirs ${libgcj} readline mmalloc libgui itcl gdb ld"
546 i[[3456789]]86-*-coff | i[[3456789]]86-*-elf)
547 noconfigdirs="$noconfigdirs ${libgcj}"
549 i[[3456789]]86-*-linux*)
550 # The GCC port for glibc1 has no MD_FALLBACK_FRAME_STATE_FOR, so let's
551 # not build java stuff by default.
554 noconfigdirs="$noconfigdirs ${libgcj}";;
557 # This section makes it possible to build newlib natively on linux.
558 # If we are using a cross compiler then don't configure newlib.
559 if test x${is_cross_compiler} != xno ; then
560 noconfigdirs="$noconfigdirs target-newlib"
562 noconfigdirs="$noconfigdirs target-libgloss"
563 # If we are not using a cross compiler, do configure newlib.
564 # Note however, that newlib will only be configured in this situation
565 # if the --with-newlib option has been given, because otherwise
566 # 'target-newlib' will appear in skipdirs.
568 i[[3456789]]86-*-mingw32*)
569 target_configdirs="$target_configdirs target-mingw"
570 noconfigdirs="$noconfigdirs expect target-libgloss ${libgcj}"
572 # Can't build gdb for mingw32 if not native.
574 i[[3456789]]86-*-mingw32) ;; # keep gdb tcl tk expect etc.
575 *) noconfigdirs="$noconfigdirs gdb tcl tk expect itcl gnuserv"
580 target_configdirs="$target_configdirs target-libtermcap target-winsup"
581 noconfigdirs="$noconfigdirs target-gperf target-libgloss ${libgcj}"
582 # always build newlib if winsup directory is present.
583 if test -d "$srcdir/winsup"; then
584 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
585 elif test -d "$srcdir/newlib"; then
586 echo "Warning: winsup is missing so newlib can't be built."
589 # Can't build gdb for Cygwin if not native.
591 *-*-cygwin*) ;; # keep gdb tcl tk expect etc.
592 *) noconfigdirs="$noconfigdirs gdb tcl tk expect itcl libgui gnuserv"
596 i[[3456789]]86-moss-msdos | i[[3456789]]86-*-moss* | \
597 i[[3456789]]86-*-uwin* | i[[3456789]]86-*-interix* )
600 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
602 i[[3456789]]86-*-sco3.2v5*)
603 # The linker does not yet know about weak symbols in COFF,
604 # and is not configured to handle mixed ELF and COFF.
605 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
607 i[[3456789]]86-*-sco*)
608 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
610 i[[3456789]]86-*-solaris2*)
611 noconfigdirs="$noconfigdirs target-libgloss"
613 i[[3456789]]86-*-sysv4*)
614 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
616 i[[3456789]]86-*-beos*)
617 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
620 noconfigdirs="$noconfigdirs ${libgcj}"
622 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
623 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
626 noconfigdirs="$noconfigdirs ${libgcj}"
629 noconfigdirs="$noconfigdirs ${libgcj}"
632 # The EPOC C++ environment does not support exceptions or rtti,
633 # and so building libstdc++-v3 tends not to always work.
634 noconfigdirs="$noconfigdirs target-libstdc++-v3"
637 noconfigdirs="$noconfigdirs ${libgcj} gdb libgloss target-libgfortran"
640 noconfigdirs="$noconfigdirs ${libgcj}"
643 noconfigdirs="$noconfigdirs ${libgcj}"
646 # copied from rs6000-*-* entry
647 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
649 powerpc*-*-winnt* | powerpc*-*-pe* | ppc*-*-pe)
650 target_configdirs="$target_configdirs target-winsup"
651 noconfigdirs="$noconfigdirs gdb tcl tk make expect target-libgloss itcl gnuserv ${libgcj}"
652 # always build newlib.
653 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
655 # This is temporary until we can link against shared libraries
656 powerpcle-*-solaris*)
657 noconfigdirs="$noconfigdirs gdb sim make tcl tk expect itcl gnuserv ${libgcj}"
660 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
663 noconfigdirs="$noconfigdirs ${libgcj}"
665 powerpc-*-eabi* | powerpcle-*-eabi* | powerpc-*-rtems* )
668 noconfigdirs="$noconfigdirs target-newlib gprof ${libgcj}"
671 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
674 noconfigdirs="$noconfigdirs gprof ${libgcj}"
677 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss ${libgcj}"
680 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
683 # Linking libjava exceeds command-line length limits on at least
684 # IRIX 6.2, but not on IRIX 6.5.
685 # Also, boehm-gc won't build on IRIX 6.5, according to Jeffrey Oldham
686 # <oldham@codesourcery.com>
687 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
690 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
693 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
696 noconfigdirs="$noconfigdirs gprof ${libgcj}" # same as generic mips
699 noconfigdirs="$noconfigdirs target-newlib ${libgcj}"
702 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
705 noconfigdirs="$noconfigdirs gprof ${libgcj}"
708 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes target-libgloss ${libgcj}"
712 i[[3456789]]86-*-vsta) ;; # don't add gprof back in
713 i[[3456789]]86-*-go32*) ;; # don't add gprof back in
714 i[[3456789]]86-*-msdosdjgpp*) ;; # don't add gprof back in
715 *) skipdirs=`echo " ${skipdirs} " | sed -e 's/ gprof / /'` ;;
717 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
720 noconfigdirs="$noconfigdirs ${libgcj}"
723 noconfigdirs="$noconfigdirs ${libgcj}"
726 noconfigdirs="$noconfigdirs ${libgcj}"
729 noconfigdirs="$noconfigdirs ${libgcj}"
730 if test x${is_cross_compiler} != xno ; then
731 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
736 sparc-*-solaris2.[[0-6]] | sparc-*-solaris2.[[0-6]].*)
737 noconfigdirs="$noconfigdirs ${libgcj}"
739 sparc-*-solaris* | sparc64-*-solaris* | sparcv9-*-solaris*)
742 noconfigdirs="$noconfigdirs bfd binutils gas gcc gdb ld target-libstdc++-v3 opcodes target-libgloss ${libgcj}"
745 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
748 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
751 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
754 noconfigdirs="$noconfigdirs bfd binutils gdb ld target-newlib opcodes target-libgloss ${libgcj}"
757 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
760 noconfigdirs="$noconfigdirs ${libgcj}"
763 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
765 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu)
766 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
769 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
772 noconfigdirs="$noconfigdirs ${libgcj}"
776 # If we aren't building newlib, then don't build libgloss, since libgloss
777 # depends upon some newlib header files.
778 case "${noconfigdirs}" in
779 *target-libgloss*) ;;
780 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
783 # Work in distributions that contain no compiler tools, like Autoconf.
785 host_makefile_frag=/dev/null
786 if test -d ${srcdir}/config ; then
789 # Avoid "too much defining" errors from HPUX compiler.
790 tentative_cc="cc -Wp,-H256000"
791 # If "ar" in $PATH is GNU ar, the symbol table may need rebuilding.
792 # If it's HP/UX ar, this should be harmless.
796 tentative_cc="cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DUSG"
799 #None of the Apollo compilers can compile gas or binutils. The preprocessor
800 # chokes on bfd, the compiler won't let you assign integers to enums, and
801 # other problems. Defining CC to gcc is a questionable way to say "don't use
802 # the apollo compiler" (the preferred version of GCC could be called cc,
803 # or whatever), but I'm not sure leaving CC as cc is any better...
804 #CC=cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DNO_STDARG
805 # Used to have BISON=yacc.
809 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
812 # Under CX/UX, we want to tell the compiler to use ANSI mode.
813 tentative_cc="cc -Xa"
814 host_makefile_frag="config/mh-cxux"
819 tentative_cc="cc -Wf,-XNg1000"
820 host_makefile_frag="config/mh-decstation"
823 # The C compiler on NEC MIPS SVR4 needs bigger tables.
824 tentative_cc="cc -ZXNd=5000 -ZXNg=1000"
825 host_makefile_frag="config/mh-necv4"
828 # Tell compiler to use K&R C. We can't compile under the SGI Ansi
829 # environment. Also bump switch table size so that cp-parse will
830 # compile. Bump string length limit so linker builds.
831 tentative_cc="cc -cckr -Wf,-XNg1500 -Wf,-XNk1000 -Wf,-XNh2000 -Wf,-XNl8192"
834 host_makefile_frag="config/mh-sysv4"
837 # This is for a MIPS running RISC/os 4.52C.
839 # This is needed for GDB, but needs to be in the top-level make because
840 # if a library is compiled with the bsd headers and gets linked with the
841 # sysv system libraries all hell can break loose (e.g. a jmp_buf might be
843 # ptrace(2) apparently has problems in the BSD environment. No workaround is
844 # known except to select the sysv environment. Could we use /proc instead?
845 # These "sysv environments" and "bsd environments" often end up being a pain.
847 # This is not part of CFLAGS because perhaps not all C compilers have this
849 tentative_cc="cc -systype sysv"
854 i[[3456789]]86-*-sysv5*)
855 host_makefile_frag="config/mh-sysv5"
857 i[[3456789]]86-*-dgux*)
858 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
859 host_makefile_frag="config/mh-dgux386"
861 i[[3456789]]86-ncr-sysv4.3*)
862 # The MetaWare compiler will generate a copyright message unless you
863 # turn it off by adding the -Hnocopyr flag.
864 tentative_cc="cc -Hnocopyr"
866 i[[3456789]]86-ncr-sysv4*)
867 # for an NCR 3000 (i486/SVR4) system.
868 # The NCR 3000 ships with a MetaWare compiler installed as /bin/cc.
869 # This compiler not only emits obnoxious copyright messages every time
870 # you run it, but it chokes and dies on a whole bunch of GNU source
871 # files. Default to using the AT&T compiler installed in /usr/ccs/ATT/cc.
872 tentative_cc="/usr/ccs/ATT/cc"
873 host_makefile_frag="config/mh-ncr3000"
875 i[[3456789]]86-*-sco3.2v5*)
877 i[[3456789]]86-*-sco*)
878 # The native C compiler botches some simple uses of const. Unfortunately,
879 # it doesn't defined anything like "__sco__" for us to test for in ansidecl.h.
880 tentative_cc="cc -Dconst="
881 host_makefile_frag="config/mh-sco"
883 i[[3456789]]86-*-udk*)
884 host_makefile_frag="config/mh-sysv5"
886 i[[3456789]]86-*-solaris2*)
887 host_makefile_frag="config/mh-sysv4"
889 i[[3456789]]86-*-msdosdjgpp*)
890 host_makefile_frag="config/mh-djgpp"
893 host_makefile_frag="config/mh-cygwin"
896 host_makefile_frag="config/mh-mingw32"
899 host_makefile_frag="config/mh-interix"
902 # The old BSD pcc isn't up to compiling parts of gdb so use gcc
906 host_makefile_frag="config/mh-solaris"
909 # Sun's C compiler needs the -J flag to be able to compile cp-parse.c
910 # without overflowing the jump tables (-J says to use a 32 bit table)
914 tentative_cc="cc -Wp,-H256000"
917 tentative_cc="cc -Wp,-H256000"
920 # /bin/cc is less than useful for our purposes. Always use GCC
921 tentative_cc="/usr/cygnus/progressive/bin/gcc"
922 host_makefile_frag="config/mh-lynxrs6k"
925 host_makefile_frag="config/mh-ppc-darwin"
928 # /bin/cc is less than useful for our purposes. Always use GCC
929 tentative_cc="/bin/gcc"
932 host_makefile_frag="config/mh-sysv4"
934 # This is placed last to prevent interfering with the cases above.
936 # Build the stage2 and stage3 compilers with -fomit-frame-pointer.
937 host_makefile_frag="config/mh-x86omitfp"
942 # If we aren't going to be using gcc, see if we can extract a definition
943 # of CC from the fragment.
944 # Actually, use the 'pre-extracted' version above.
945 if test -z "${CC}" && test "${build}" = "${host}" ; then
946 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
949 test -z "$dir" && dir=.
950 if test -f $dir/gcc; then
956 if test -z "${found}" && test -n "${tentative_cc}" ; then
961 if test "${build}" != "${host}" ; then
962 # If we are doing a Canadian Cross, in which the host and build systems
963 # are not the same, we set reasonable default values for the tools.
965 CC=${CC-${host_alias}-gcc}
966 CFLAGS=${CFLAGS-"-g -O2"}
967 CXX=${CXX-${host_alias}-c++}
968 CXXFLAGS=${CXXFLAGS-"-g -O2"}
969 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
970 CC_FOR_TARGET=${CC_FOR_TARGET-${target_alias}-gcc}
971 CXX_FOR_TARGET=${CXX_FOR_TARGET-${target_alias}-c++}
972 GCJ_FOR_TARGET=${GCJ_FOR_TARGET-${target_alias}-gcj}
973 GCC_FOR_TARGET=${GCC_FOR_TARGET-${CC_FOR_TARGET-${target_alias}-gcc}}
974 BUILD_PREFIX=${build_alias}-
975 BUILD_PREFIX_1=${build_alias}-
978 # Set reasonable default values for some tools even if not Canadian.
979 # Of course, these are different reasonable default values, originally
980 # specified directly in the Makefile.
981 # We don't export, so that autoconf can do its job.
982 # Note that all these settings are above the fragment inclusion point
983 # in Makefile.in, so can still be overridden by fragments.
984 # This is all going to change when we autoconfiscate...
986 CC_FOR_BUILD="\$(CC)"
987 GCC_FOR_TARGET="\$(USUAL_GCC_FOR_TARGET)"
989 BUILD_PREFIX_1=loser-
993 # We must set the default linker to the linker used by gcc for the correct
994 # operation of libtool. If LD is not defined and we are using gcc, try to
995 # set the LD default to the ld used by gcc.
996 if test -z "$LD"; then
997 if test "$GCC" = yes; then
1000 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1002 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1004 case $gcc_prog_ld in
1005 # Accept absolute paths.
1006 [[\\/]* | [A-Za-z]:[\\/]*)]
1007 LD="$gcc_prog_ld" ;;
1013 CFLAGS=${CFLAGS-"-g"}
1014 CXXFLAGS=${CXXFLAGS-"-g -O2"}
1018 ACX_PROG_CMP_IGNORE_INITIAL
1020 # Check for GMP and MPFR
1024 # Specify a location for mpfr
1025 # check for this first so it ends up on the link line before gmp.
1026 AC_ARG_WITH(mpfr-dir, [ --with-mpfr-dir=PATH Specify source directory for MPFR library])
1028 if test "x$with_mpfr_dir" != x; then
1029 gmpinc="-I$with_mpfr_dir/mpfr"
1030 gmplibs="$with_mpfr_dir/libmpfr.a"
1035 AC_ARG_WITH(mpfr, [ --with-mpfr=PATH Specify directory for installed MPFR library])
1037 if test "x$with_mpfr" != x; then
1038 gmplibs="-L$with_mpfr/lib $gmplibs"
1039 gmpinc="-I$with_mpfr/include"
1042 # Specify a location for gmp
1043 AC_ARG_WITH(gmp-dir, [ --with-gmp-dir=PATH Specify source directory for GMP library])
1045 if test "x$with_gmp_dir" != x; then
1046 gmpinc="$gmpinc -I$with_gmp_dir"
1047 if test -f "$with_gmp_dir/.libs/libgmp.a"; then
1048 gmplibs="$gmplibs $with_gmp_dir/.libs/libgmp.a"
1049 elif test -f "$with_gmp_dir/_libs/libgmp.a"; then
1050 gmplibs="$gmplibs $with_gmp_dir/_libs/libgmp.a"
1052 # One of the later tests will catch the error if neither library is present.
1054 gmplibs="$gmplibs -lgmp"
1057 AC_ARG_WITH(gmp, [ --with-gmp=PATH Specify directory for installed GMP library])
1059 if test "x$with_gmp" != x; then
1060 gmplibs="-L$with_gmp/lib $gmplibs"
1061 gmpinc="-I$with_gmp/include $gmpinc"
1064 saved_CFLAGS="$CFLAGS"
1065 CFLAGS="$CFLAGS $gmpinc"
1066 # Check GMP actually works
1067 AC_MSG_CHECKING([for correct version of gmp.h])
1068 AC_TRY_COMPILE([#include "gmp.h"],[
1069 #if __GNU_MP_VERSION < 3
1072 ], [AC_MSG_RESULT([yes])],
1073 [AC_MSG_RESULT([no]); have_gmp=no])
1075 if test x"$have_gmp" = xyes; then
1076 AC_MSG_CHECKING([for MPFR])
1079 LIBS="$LIBS $gmplibs"
1080 AC_TRY_LINK([#include <gmp.h>
1081 #include <mpfr.h>], [mpfr_t n; mpfr_init(n);],
1082 [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1084 CFLAGS="$saved_CFLAGS"
1087 # Flags needed for both GMP and/or MPFR
1091 # By default, C is the only stage 1 language.
1093 AC_SUBST(stage1_languages)
1095 # Figure out what language subdirectories are present.
1096 # Look if the user specified --enable-languages="..."; if not, use
1097 # the environment variable $LANGUAGES if defined. $LANGUAGES might
1099 # NB: embedded tabs in this IF block -- do not untabify
1100 if test -d ${srcdir}/gcc; then
1101 if test x"${enable_languages+set}" != xset; then
1102 if test x"${LANGUAGES+set}" = xset; then
1103 enable_languages="${LANGUAGES}"
1104 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1106 enable_languages=all
1109 if test x"${enable_languages}" = x ||
1110 test x"${enable_languages}" = xyes;
1112 echo configure.in: --enable-languages needs at least one language argument 1>&2
1116 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1118 # First scan to see if an enabled language requires some other language.
1119 # We assume that a given config-lang.in will list all the language
1120 # front ends it requires, even if some are required indirectly.
1121 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1122 case ${lang_frag} in
1124 # The odd quoting in the next line works around
1125 # an apparent bug in bash 1.12 on linux.
1126 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1128 # From the config-lang.in, get $language, $lang_requires
1132 for other in ${lang_requires} ; do
1133 case ,${enable_languages}, in
1137 echo " \`$other' language required by \`$language'; enabling" 1>&2
1138 enable_languages="${enable_languages},${other}"
1146 new_enable_languages=c
1147 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
1148 potential_languages=c
1150 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1151 case ${lang_frag} in
1153 # The odd quoting in the next line works around
1154 # an apparent bug in bash 1.12 on linux.
1155 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1157 # From the config-lang.in, get $language, $target_libs,
1158 # $lang_dirs, $boot_language, and $build_by_default
1166 potential_languages="${potential_languages},${language}"
1167 # This is quite sensitive to the ordering of the case statement arms.
1168 case ,${enable_languages},:${language}:${have_gnat}:${build_by_default} in
1170 echo "${lang_frag} doesn't set \$language." 1>&2
1174 # Ada was requested with no preexisting GNAT. Disable unconditionally.
1177 *,${language},*:*:*:*)
1178 # Language was explicitly selected; include it.
1182 # 'all' was selected, but this is not a default language
1183 # so do not include it.
1187 # 'all' was selected and this is a default language; include it.
1195 # Disable languages that need GMP if it isn't available.
1196 case ,${enable_languages},:${have_gmp}:${need_gmp} in
1197 *,${language},*:no:yes)
1198 # Specifically requested language; tell them.
1199 AC_MSG_ERROR([GMP with MPFR support is required to build $language])
1207 case $add_this_lang in
1209 # Remove language-dependent dirs.
1210 eval noconfigdirs='"$noconfigdirs "'\"$target_libs $lang_dirs\"
1213 new_enable_languages="$new_enable_languages,$language"
1214 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
1215 case ${boot_language} in
1217 # Add to (comma-separated) list of stage 1 languages.
1218 stage1_languages="${stage1_languages},${language}"
1227 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
1228 if test "x$missing_languages" != x; then
1230 The following requested languages were not found: ${missing_languages}
1231 The available languages are: ${potential_languages}])
1234 if test "x$new_enable_languages" != "x$enable_languages"; then
1235 echo The following languages will be built: ${new_enable_languages}
1237 enable_languages="$new_enable_languages"
1238 ac_configure_args=`echo " $ac_configure_args" | sed -e 's/ --enable-languages=[[^ ]]*//' -e 's/$/ --enable-languages='"$enable_languages"/ `
1241 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
1242 # $build_configdirs and $target_configdirs.
1243 # If we have the source for $noconfigdirs entries, add them to $notsupp.
1246 for dir in . $skipdirs $noconfigdirs ; do
1247 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
1248 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1249 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
1250 if test -r $srcdir/$dirname/configure ; then
1251 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1254 notsupp="$notsupp $dir"
1258 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1259 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"`
1260 if test -r $srcdir/$dirname/configure ; then
1261 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1264 notsupp="$notsupp $dir"
1268 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1269 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
1270 if test -r $srcdir/$dirname/configure ; then
1271 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1274 notsupp="$notsupp $dir"
1280 # Sometimes the tools are distributed with libiberty but with no other
1281 # libraries. In that case, we don't want to build target-libiberty.
1282 if test -n "${target_configdirs}" ; then
1284 for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do
1285 if test "$i" != "libiberty" ; then
1286 if test -r $srcdir/$i/configure ; then
1292 if test -z "${others}" ; then
1297 # Quietly strip out all directories which aren't configurable in this tree.
1298 # This relies on all configurable subdirectories being autoconfiscated, which
1300 build_configdirs_all="$build_configdirs"
1302 for i in ${build_configdirs_all} ; do
1303 j=`echo $i | sed -e s/build-//g`
1304 if test -f ${srcdir}/$j/configure ; then
1305 build_configdirs="${build_configdirs} $i"
1309 configdirs_all="$configdirs"
1311 for i in ${configdirs_all} ; do
1312 if test -f ${srcdir}/$i/configure ; then
1313 configdirs="${configdirs} $i"
1317 target_configdirs_all="$target_configdirs"
1319 for i in ${target_configdirs_all} ; do
1320 j=`echo $i | sed -e s/target-//g`
1321 if test -f ${srcdir}/$j/configure ; then
1322 target_configdirs="${target_configdirs} $i"
1326 # Produce a warning message for the subdirs we can't configure.
1327 # This isn't especially interesting in the Cygnus tree, but in the individual
1328 # FSF releases, it's important to let people know when their machine isn't
1329 # supported by the one or two programs in a package.
1331 if test -n "${notsupp}" && test -z "${norecursion}" ; then
1332 # If $appdirs is non-empty, at least one of those directories must still
1333 # be configured, or we error out. (E.g., if the gas release supports a
1334 # specified target in some subdirs but not the gas subdir, we shouldn't
1335 # pretend that all is well.)
1336 if test -n "$appdirs" ; then
1337 for dir in $appdirs ; do
1338 if test -r $dir/Makefile.in ; then
1339 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1343 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
1349 if test -n "$appdirs" ; then
1350 echo "*** This configuration is not supported by this package." 1>&2
1354 # Okay, some application will build, or we don't care to check. Still
1355 # notify of subdirs not getting built.
1356 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
1357 echo " ${notsupp}" 1>&2
1358 echo " (Any other directories should still work fine.)" 1>&2
1368 # Handle --with-headers=XXX. If the value is not "yes", the contents of
1369 # the named directory are copied to $(tooldir)/sys-include.
1370 if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
1371 if test x${is_cross_compiler} = xno ; then
1372 echo 1>&2 '***' --with-headers is only supported when cross compiling
1375 if test x"${with_headers}" != xyes ; then
1376 case "${exec_prefixoption}" in
1378 *) x=${exec_prefix} ;;
1380 copy_dirs="${copy_dirs} ${with_headers} $x/${target_alias}/sys-include"
1384 # Handle --with-libs=XXX. If the value is not "yes", the contents of
1385 # the name directories are copied to $(tooldir)/lib. Multiple directories
1387 if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
1388 if test x${is_cross_compiler} = xno ; then
1389 echo 1>&2 '***' --with-libs is only supported when cross compiling
1392 if test x"${with_libs}" != xyes ; then
1393 # Copy the libraries in reverse order, so that files in the first named
1394 # library override files in subsequent libraries.
1395 case "${exec_prefixoption}" in
1397 *) x=${exec_prefix} ;;
1399 for l in ${with_libs}; do
1400 copy_dirs="$l $x/${target_alias}/lib ${copy_dirs}"
1405 # Handle ${copy_dirs}
1406 set fnord ${copy_dirs}
1408 while test $# != 0 ; do
1409 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
1412 echo Copying $1 to $2
1414 # Use the install script to create the directory and all required
1415 # parent directories.
1416 if test -d $2 ; then
1420 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
1423 # Copy the directory, assuming we have tar.
1424 # FIXME: Should we use B in the second tar? Not all systems support it.
1425 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
1427 # It is the responsibility of the user to correctly adjust all
1428 # symlinks. If somebody can figure out how to handle them correctly
1429 # here, feel free to add the code.
1436 extra_arflags_for_target=
1437 extra_nmflags_for_target=
1438 extra_ranlibflags_for_target=
1439 target_makefile_frag=/dev/null
1442 target_makefile_frag="config/mt-netware"
1444 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu)
1445 target_makefile_frag="config/mt-gnu"
1447 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
1448 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
1449 # commands to handle both 32-bit and 64-bit objects. These flags are
1450 # harmless if we're using GNU nm or ar.
1451 extra_arflags_for_target=" -X32_64"
1452 extra_nmflags_for_target=" -B -X32_64"
1455 # ranlib from Darwin requires the -c flag to look at common symbols.
1456 extra_ranlibflags_for_target=" -c"
1458 mips*-*-pe | sh*-*-pe | *arm-wince-pe)
1459 target_makefile_frag="config/mt-wince"
1463 alphaieee_frag=/dev/null
1466 # This just makes sure to use the -mieee option to build target libs.
1467 # This should probably be set individually by each library.
1468 alphaieee_frag="config/mt-alphaieee"
1472 # If --enable-target-optspace always use -Os instead of -O2 to build
1473 # the target libraries, similarly if it is not specified, use -Os
1474 # on selected platforms.
1475 ospace_frag=/dev/null
1476 case "${enable_target_optspace}:${target}" in
1478 ospace_frag="config/mt-ospace"
1481 ospace_frag="config/mt-d30v"
1483 :m32r-* | :d10v-* | :fr30-*)
1484 ospace_frag="config/mt-ospace"
1489 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
1493 # Set with_gnu_as and with_gnu_ld as appropriate.
1495 # This is done by determining whether or not the appropriate directory
1496 # is available, and by checking whether or not specific configurations
1497 # have requested that this magic not happen.
1499 # The command line options always override the explicit settings in
1500 # configure.in, and the settings in configure.in override this magic.
1502 # If the default for a toolchain is to use GNU as and ld, and you don't
1503 # want to do that, then you should use the --without-gnu-as and
1504 # --without-gnu-ld options for the configure script.
1506 if test x${use_gnu_as} = x &&
1507 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
1509 extra_host_args="$extra_host_args --with-gnu-as"
1512 if test x${use_gnu_ld} = x &&
1513 echo " ${configdirs} " | grep " ld " > /dev/null 2>&1 ; then
1515 extra_host_args="$extra_host_args --with-gnu-ld"
1518 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
1519 # can detect this case.
1521 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
1523 extra_host_args="$extra_host_args --with-newlib"
1526 # Default to using --with-stabs for certain targets.
1527 if test x${with_stabs} = x ; then
1529 mips*-*-irix[[56]]*)
1531 mips*-*-* | alpha*-*-osf*)
1533 extra_host_args="${extra_host_args} --with-stabs"
1538 # hpux11 in 64bit mode has libraries in a weird place. Arrange to find
1539 # them automatically.
1542 extra_host_args="$extra_host_args -x-libraries=/usr/lib/pa20_64 -x-includes=/usr/X11R6/include"
1546 # Some systems (e.g., one of the i386-aix systems the gas testers are
1547 # using) don't handle "\$" correctly, so don't use it here.
1548 tooldir='${exec_prefix}'/${target_alias}
1549 build_tooldir=${tooldir}
1551 # Generate default definitions for YACC, M4, LEX and other programs that run
1552 # on the build machine. These are used if the Makefile can't locate these
1553 # programs in objdir.
1554 MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
1555 AC_CHECK_PROGS([CONFIGURED_BISON], [bison], [$MISSING bison])
1556 AC_CHECK_PROGS([CONFIGURED_YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
1557 AC_CHECK_PROGS([CONFIGURED_M4], [gm4 gnum4 m4], [$MISSING m4])
1558 AC_CHECK_PROGS([CONFIGURED_FLEX], [flex], [$MISSING flex])
1559 AC_CHECK_PROGS([CONFIGURED_LEX], [flex lex], [$MISSING flex])
1560 AC_CHECK_PROGS([CONFIGURED_MAKEINFO], makeinfo, [$MISSING makeinfo])
1562 # Create a .gdbinit file which runs the one in srcdir
1563 # and tells GDB to look there for source files.
1565 if test -r ${srcdir}/.gdbinit ; then
1568 *) cat > ./.gdbinit <<EOF
1572 source ${srcdir}/.gdbinit
1578 # Make sure that the compiler is able to generate an executable. If it
1579 # can't, we are probably in trouble. We don't care whether we can run the
1580 # executable--we might be using a cross compiler--we only care whether it
1581 # can be created. At this point the main configure script has set CC.
1583 echo "int main () { return 0; }" > conftest.c
1584 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
1585 if test $? = 0 ; then
1586 if test -s conftest || test -s conftest.exe ; then
1592 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
1593 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
1600 # The Solaris /usr/ucb/cc compiler does not appear to work.
1602 sparc-sun-solaris2*)
1603 CCBASE="`echo ${CC-cc} | sed 's/ .*$//'`"
1604 if test "`type $CCBASE | sed 's/^[[^/]]*//'`" = "/usr/ucb/cc" ; then
1606 test -d /opt/SUNWspro/bin && could_use="/opt/SUNWspro/bin"
1607 if test -d /opt/cygnus/bin ; then
1608 if test "$could_use" = "" ; then
1609 could_use="/opt/cygnus/bin"
1611 could_use="$could_use or /opt/cygnus/bin"
1614 if test "$could_use" = "" ; then
1615 echo "Warning: compilation may fail because you're using"
1616 echo "/usr/ucb/cc. You should change your PATH or CC "
1617 echo "variable and rerun configure."
1619 echo "Warning: compilation may fail because you're using"
1620 echo "/usr/ucb/cc, when you should use the C compiler from"
1621 echo "$could_use. You should change your"
1622 echo "PATH or CC variable and rerun configure."
1629 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
1630 *-*-darwin* | *-*-rhapsody* ) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;;
1631 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
1634 # Record target_configdirs and the configure arguments for target and
1635 # build configuration in Makefile.
1636 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
1637 build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
1639 # Determine whether gdb needs tk/tcl or not.
1640 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
1641 # and in that case we want gdb to be built without tk. Ugh!
1642 # In fact I believe gdb is the *only* package directly dependent on tk,
1643 # so we should be able to put the 'maybe's in unconditionally and
1644 # leave out the maybe dependencies when enable_gdbtk is false. I'm not
1645 # 100% sure that that's safe though.
1647 gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
1648 case "$enable_gdbtk" in
1652 GDB_TK="${gdb_tk}" ;;
1654 # Only add the dependency on gdbtk when GDBtk is part of the gdb
1655 # distro. Eventually someone will fix this and move Insight, nee
1656 # gdbtk to a separate directory.
1657 if test -d ${srcdir}/gdb/gdbtk ; then
1665 # Strip out unwanted targets.
1667 # While at that, we remove Makefiles if we were started for recursive
1668 # configuration, so that the top-level Makefile reconfigures them,
1669 # like we used to do when configure itself was recursive.
1671 # Loop over modules. $extrasub must be used with care, limiting as
1672 # much as possible the usage of range addresses. That's because autoconf
1673 # splits the sed script to overcome limits in the number of commands,
1674 # and relying on carefully-timed sed passes may turn out to be very hard
1675 # to maintain later. In this particular case, you just have to be careful
1676 # not to nest @if/@endif pairs, because configure will not warn you at all.
1678 AC_ARG_ENABLE([bootstrap],
1679 [ --enable-bootstrap[=lean] Enable bootstrapping [no]],,
1680 enable_bootstrap=default)
1682 # Issue errors and warnings for invalid/strange bootstrap combinations.
1683 case "$configdirs" in
1684 *gcc*) have_compiler=yes ;;
1685 *) have_compiler=no ;;
1688 case "$have_compiler:$host:$target:$enable_bootstrap" in
1691 # Default behavior. (We'll) enable bootstrap if we have a compiler
1692 # and we are in a native configuration.
1693 yes:$build:$build:default)
1694 # This will become 'yes'
1695 enable_bootstrap=no ;;
1698 enable_bootstrap=no ;;
1700 # We have a compiler and we are in a native configuration, bootstrap is ok
1701 yes:$build:$build:yes | yes:$build:$build:lean)
1704 # Other configurations, but we have a compiler. Assume the user knows
1706 yes:*:*:yes | yes:*:*:lean)
1707 AC_MSG_WARN([trying to bootstrap a cross compiler])
1710 # No compiler: if they passed --enable-bootstrap explicitly, fail
1711 no:*:*:yes | no:*:*:lean)
1712 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
1714 # Fail if wrong command line
1716 AC_MSG_ERROR([invalid option for --enable-bootstrap])
1720 # Adjust the toplevel makefile according to whether bootstrap was selected.
1721 case "$enable_bootstrap" in
1724 default_target=bootstrap
1725 bootstrap_suffix=bootstrap ;;
1728 default_target=bootstrap
1729 bootstrap_suffix=bootstrap ;;
1732 bootstrap_suffix=no-bootstrap ;;
1734 AC_SUBST(bootstrap_lean)
1735 AC_SUBST(default_target)
1737 for module in ${build_configdirs} ; do
1738 if test -z "${no_recursion}" \
1739 && test -f ${build_subdir}/${module}/Makefile; then
1740 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
1741 rm -f ${build_subdir}/${module}/Makefile
1744 /^@if build-$module\$/d
1745 /^@endif build-$module\$/d
1746 /^@if build-$module-$bootstrap_suffix\$/d
1747 /^@endif build-$module-$bootstrap_suffix\$/d"
1749 for module in ${configdirs} ; do
1750 if test -z "${no_recursion}" \
1751 && test -f ${module}/Makefile; then
1752 echo 1>&2 "*** removing ${module}/Makefile to force reconfigure"
1753 rm -f ${module}/Makefile
1757 /^@endif $module\$/d
1758 /^@if $module-$bootstrap_suffix\$/d
1759 /^@endif $module-$bootstrap_suffix\$/d"
1761 for module in ${target_configdirs} ; do
1762 if test -z "${no_recursion}" \
1763 && test -f ${target_subdir}/${module}/Makefile; then
1764 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
1765 rm -f ${target_subdir}/${module}/Makefile
1768 /^@if target-$module\$/d
1769 /^@endif target-$module\$/d
1770 /^@if target-$module-$bootstrap_suffix\$/d
1771 /^@endif target-$module-$bootstrap_suffix\$/d"
1775 /^@if /,/^@endif /d"
1777 # Create the serialization dependencies. This uses a temporary file.
1779 AC_ARG_ENABLE([serial-configure],
1780 [ --enable-serial-[{host,target,build}-]configure
1781 Force sequential configuration of
1782 sub-packages for the host, target or build
1783 machine, or all sub-packages])
1785 case ${enable_serial_configure} in
1787 enable_serial_build_configure=yes
1788 enable_serial_host_configure=yes
1789 enable_serial_target_configure=yes
1793 # These force 'configure's to be done one at a time, to avoid problems
1794 # with contention over a shared config.cache.
1796 echo '# serdep.tmp' > serdep.tmp
1798 test "x${enable_serial_build_configure}" = xyes &&
1799 for item in ${build_configdirs} ; do
1802 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
1807 test "x${enable_serial_host_configure}" = xyes &&
1808 for item in ${configdirs} ; do
1811 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
1816 test "x${enable_serial_target_configure}" = xyes &&
1817 for item in ${target_configdirs} ; do
1820 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
1824 serialization_dependencies=serdep.tmp
1825 AC_SUBST_FILE(serialization_dependencies)
1827 # Base args. Strip norecursion, cache-file, srcdir, host, build,
1828 # target and nonopt. These are the ones we might not want to pass
1829 # down to subconfigures. Also strip program-prefix, program-suffix,
1830 # and program-transform-name, so that we can pass down a consistent
1831 # program-transform-name. If autoconf has put single quotes around
1832 # any of these arguments (because they contain shell metacharacters)
1833 # then this will fail; in practice this only happens for
1834 # --program-transform-name, so be sure to override --program-transform-name
1835 # at the end of the argument list.
1836 # These will be expanded by make, so quote '$'.
1837 cat <<\EOF_SED > conftestsed
1839 s/ --c[[a-z-]]*[[= ]][[^ ]]*//g
1840 s/ --sr[[a-z-]]*[[= ]][[^ ]]*//g
1841 s/ --ho[[a-z-]]*[[= ]][[^ ]]*//g
1842 s/ --bu[[a-z-]]*[[= ]][[^ ]]*//g
1843 s/ --t[[a-z-]]*[[= ]][[^ ]]*//g
1844 s/ --program-[[pst]][[a-z-]]*[[= ]][[^ ]]*//g
1845 s/ -cache-file[[= ]][[^ ]]*//g
1846 s/ -srcdir[[= ]][[^ ]]*//g
1847 s/ -host[[= ]][[^ ]]*//g
1848 s/ -build[[= ]][[^ ]]*//g
1849 s/ -target[[= ]][[^ ]]*//g
1850 s/ -program-prefix[[= ]][[^ ]]*//g
1851 s/ -program-suffix[[= ]][[^ ]]*//g
1852 s/ -program-transform-name[[= ]][[^ ]]*//g
1853 s/ [[^' -][^ ]*] / /
1857 sed -f conftestsed <<EOF_SED > conftestsed.out
1858 ${ac_configure_args}
1860 baseargs=`cat conftestsed.out`
1861 rm -f conftestsed conftestsed.out
1863 # Add in --program-transform-name, after --program-prefix and
1864 # --program-suffix have been applied to it. Autoconf has already
1865 # doubled dollar signs and backslashes in program_transform_name; we want
1866 # the backslashes un-doubled, and then the entire thing wrapped in single
1867 # quotes, because this will be expanded first by make and then by the shell.
1868 # Also, because we want to override the logic in subdir configure scripts to
1869 # choose program_transform_name, replace any s,x,x, with s,y,y,.
1870 sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
1871 ${program_transform_name}
1873 gcc_transform_name=`cat conftestsed.out`
1874 rm -f conftestsed.out
1875 baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
1877 # For the build-side libraries, we just need to pretend we're native,
1878 # and not use the same cache file. Multilibs are neither needed nor
1880 build_configargs="--cache-file=../config.cache --build=${build_alias} --host=${build_alias} --target=${target_alias} ${baseargs}"
1882 # For host modules, accept cache file option, or specification as blank.
1883 case "${cache_file}" in
1885 cache_file_option="" ;;
1886 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
1887 cache_file_option="--cache-file=${cache_file}" ;;
1889 cache_file_option="--cache-file=../${cache_file}" ;;
1892 # Host dirs don't like to share a cache file either, horribly enough.
1893 # This seems to be due to autoconf 2.5x stupidity.
1894 host_configargs="--cache-file=./config.cache --build=${build_alias} --host=${host_alias} --target=${target_alias} ${extra_host_args} ${baseargs}"
1896 target_configargs=${baseargs}
1898 # Passing a --with-cross-host argument lets the target libraries know
1899 # whether they are being built with a cross-compiler or being built
1900 # native. However, it would be better to use other mechanisms to make the
1901 # sorts of decisions they want to make on this basis. Please consider
1902 # this option to be deprecated. FIXME.
1903 if test x${is_cross_compiler} = xyes ; then
1904 target_configargs="--with-cross-host=${host_alias} ${target_configargs}"
1907 # Default to --enable-multilib.
1908 if test x${enable_multilib} = x ; then
1909 target_configargs="--enable-multilib ${target_configargs}"
1912 # Pass --with-newlib if appropriate. Note that target_configdirs has
1913 # changed from the earlier setting of with_newlib.
1914 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
1915 target_configargs="--with-newlib ${target_configargs}"
1918 # Different target subdirs use different values of certain variables
1919 # (notably CXX). Worse, multilibs use *lots* of different values.
1920 # Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
1921 # it doesn't automatically accept command-line overrides of them.
1922 # This means it's not safe for target subdirs to share a cache file,
1923 # which is disgusting, but there you have it. Hopefully this can be
1924 # fixed in future. It's still worthwhile to use a cache file for each
1925 # directory. I think.
1927 # Pass the appropriate --host, --build, and --cache-file arguments.
1928 target_configargs="--cache-file=./config.cache --host=${target_alias} --build=${build_alias} ${target_configargs}"
1931 case " $target_configdirs " in
1933 case " $target_configargs " in
1934 *" --with-newlib "*)
1937 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 $$s/winsup/w32api/include' ;;
1940 # If we're not building GCC, don't discard standard headers.
1941 if test -d ${srcdir}/gcc; then
1942 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
1944 if test "${build}" != "${host}"; then
1945 # On Canadian crosses, CC_FOR_TARGET will have already been set
1946 # by `configure', so we won't have an opportunity to add -Bgcc/
1947 # to it. This is right: we don't want to search that directory
1948 # for binaries, but we want the header files in there, so add
1950 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include'
1952 # Someone might think of using the pre-installed headers on
1953 # Canadian crosses, in case the installed compiler is not fully
1954 # compatible with the compiler being built. In this case, it
1955 # would be better to flag an error than risking having
1956 # incompatible object files being constructed. We can't
1957 # guarantee that an error will be flagged, but let's hope the
1958 # compiler will do it, when presented with incompatible header
1963 case "${target}-${is_cross_compiler}" in
1964 i[[3456789]]86-*-linux*-no)
1965 # Here host == target, so we don't need to build gcc,
1966 # so we don't want to discard standard headers.
1967 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
1970 # If we're building newlib, use its generic headers last, but search
1971 # for any libc-related directories first (so make it the last -B
1973 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
1981 # Allow the user to override the flags for
1982 # our build compiler if desired.
1983 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
1985 # On Canadian crosses, we'll be searching the right directories for
1986 # the previously-installed cross compiler, so don't bother to add
1987 # flags for directories within the install tree of the compiler
1988 # being built; programs in there won't even run.
1989 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
1990 # Search for pre-installed headers if nothing else fits.
1991 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
1994 if test "x${use_gnu_ld}" = x &&
1995 echo " ${configdirs} " | grep " ld " > /dev/null ; then
1996 # Arrange for us to find uninstalled linker scripts.
1997 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld'
2000 if test "x${CC_FOR_TARGET+set}" = xset; then
2002 elif test -d ${srcdir}/gcc; then
2003 CC_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/'
2004 elif test "$host" = "$target"; then
2005 CC_FOR_TARGET='$(CC)'
2007 CC_FOR_TARGET=`echo gcc | sed "${program_transform_name}"`
2009 CC_FOR_TARGET=$CC_FOR_TARGET' $(FLAGS_FOR_TARGET)'
2011 if test "x${GCJ_FOR_TARGET+set}" = xset; then
2013 elif test -d ${srcdir}/gcc; then
2014 GCJ_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/gcj -B$$r/$(HOST_SUBDIR)/gcc/'
2015 elif test "$host" = "$target"; then
2016 GCJ_FOR_TARGET='gcj'
2018 GCJ_FOR_TARGET=`echo gcj | sed "${program_transform_name}"`
2020 GCJ_FOR_TARGET=$GCJ_FOR_TARGET' $(FLAGS_FOR_TARGET)'
2022 if test "x${GFORTRAN_FOR_TARGET+set}" = xset; then
2024 elif test -d ${srcdir}/gcc; then
2025 GFORTRAN_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/'
2026 elif test "$host" = "$target"; then
2027 GFORTRAN_FOR_TARGET='gfortran'
2029 GFORTRAN_FOR_TARGET=`echo gfortran | sed "${program_transform_name}"`
2031 case $GFORTRAN_FOR_TARGET in
2032 *' $(FLAGS_FOR_TARGET)') ;;
2033 *) GFORTRAN_FOR_TARGET=$GFORTRAN_FOR_TARGET' $(FLAGS_FOR_TARGET)' ;;
2036 # Don't use libstdc++-v3's flags to configure/build itself.
2037 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'
2038 raw_libstdcxx_flags='-L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs'
2040 if test "x${CXX_FOR_TARGET+set}" = xset; then
2041 if test "x${RAW_CXX_FOR_TARGET+set}" != xset; then
2042 RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
2044 elif test -d ${srcdir}/gcc; then
2045 # We add -shared-libgcc to CXX_FOR_TARGET whenever we use xgcc instead
2046 # of g++ for linking C++ or Java, because g++ has -shared-libgcc by
2047 # default whereas gcc does not.
2048 # RAW_CXX_FOR_TARGET is for linking C++ or java; CXX_FOR_TARGET is for
2050 CXX_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/g++ -B$$r/$(HOST_SUBDIR)/gcc/ -nostdinc++ '$libstdcxx_flags
2051 RAW_CXX_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc/ -nostdinc++ '$raw_libstdcxx_flags
2052 elif test "$host" = "$target"; then
2053 CXX_FOR_TARGET='$(CXX)'
2054 RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
2056 CXX_FOR_TARGET=`echo c++ | sed "${program_transform_name}"`
2057 RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
2059 CXX_FOR_TARGET=$CXX_FOR_TARGET' $(FLAGS_FOR_TARGET)'
2060 RAW_CXX_FOR_TARGET=$RAW_CXX_FOR_TARGET' $(FLAGS_FOR_TARGET)'
2062 qCXX_FOR_TARGET=`echo "$CXX_FOR_TARGET" | sed 's,[[&%]],\\\&,g'`
2063 qRAW_CXX_FOR_TARGET=`echo "$RAW_CXX_FOR_TARGET" | sed 's,[[&%]],\\\&,g'`
2065 # We want to defer the evaluation of `cmd`s and shell variables in
2066 # CXX_FOR_TARGET when recursing in the top-level Makefile, such as for
2067 # bootstrap. We'll enclose CXX_FOR_TARGET_FOR_RECURSIVE_MAKE in single
2068 # quotes, but we still have to duplicate `$'s so that shell variables
2069 # can be expanded by the nested make as shell variables, not as make
2071 qqCXX_FOR_TARGET=`echo "$qCXX_FOR_TARGET" | sed -e 's,[[$]][[$]],$$$$,g'`
2072 qqRAW_CXX_FOR_TARGET=`echo "$qRAW_CXX_FOR_TARGET" | sed -e 's,[[$]][[$]],$$$$,g'`
2074 # Wrap CC_FOR_TARGET and friends, for certain types of builds.
2075 CC_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${CC_FOR_TARGET}"
2076 GCJ_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${GCJ_FOR_TARGET}"
2077 GFORTRAN_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${GFORTRAN_FOR_TARGET}"
2078 CXX_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${qCXX_FOR_TARGET}"
2079 RAW_CXX_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${qRAW_CXX_FOR_TARGET}"
2080 CXX_FOR_TARGET_FOR_RECURSIVE_MAKE="\$(STAGE_CC_WRAPPER) ${qqCXX_FOR_TARGET}"
2081 RAW_CXX_FOR_TARGET_FOR_RECURSIVE_MAKE="\$(STAGE_CC_WRAPPER) ${qqRAW_CXX_FOR_TARGET}"
2083 # Makefile fragments.
2084 for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
2086 eval fragval=\$$frag
2087 if test $fragval != /dev/null; then
2088 eval $frag=${srcdir}/$fragval
2091 AC_SUBST_FILE(host_makefile_frag)
2092 AC_SUBST_FILE(target_makefile_frag)
2093 AC_SUBST_FILE(alphaieee_frag)
2094 AC_SUBST_FILE(ospace_frag)
2096 # Miscellanea: directories, flags, etc.
2097 AC_SUBST(RPATH_ENVVAR)
2098 AC_SUBST(BUILD_PREFIX)
2099 AC_SUBST(BUILD_PREFIX_1)
2101 AC_SUBST(build_tooldir)
2104 # Build module lists & subconfigure args.
2105 AC_SUBST(build_configargs)
2106 AC_SUBST(build_configdirs)
2108 # Host module lists & subconfigure args.
2109 AC_SUBST(host_configargs)
2110 AC_SUBST(configdirs)
2112 # Target module lists & subconfigure args.
2113 AC_SUBST(target_configargs)
2114 AC_SUBST(target_configdirs)
2117 AC_SUBST(CC_FOR_BUILD)
2118 AC_SUBST(config_shell)
2121 NCN_STRICT_CHECK_TOOL(AR, ar)
2122 NCN_STRICT_CHECK_TOOL(AS, as)
2123 NCN_STRICT_CHECK_TOOL(DLLTOOL, dlltool)
2124 NCN_STRICT_CHECK_TOOL(LD, ld)
2125 NCN_STRICT_CHECK_TOOL(NM, nm)
2126 NCN_STRICT_CHECK_TOOL(RANLIB, ranlib, :)
2127 NCN_STRICT_CHECK_TOOL(WINDRES, windres)
2128 NCN_STRICT_CHECK_TOOL(OBJCOPY, objcopy)
2129 NCN_STRICT_CHECK_TOOL(OBJDUMP, objdump)
2133 AC_SUBST(CFLAGS_FOR_BUILD)
2137 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_AR_FOR_TARGET, ar)
2138 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_AS_FOR_TARGET, as)
2139 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_DLLTOOL_FOR_TARGET, dlltool)
2140 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_LD_FOR_TARGET, ld)
2141 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_NM_FOR_TARGET, nm)
2142 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_RANLIB_FOR_TARGET, ranlib, :)
2143 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_WINDRES_FOR_TARGET, windres)
2145 AC_SUBST(GCC_FOR_TARGET)
2146 AC_SUBST(FLAGS_FOR_TARGET)
2147 AC_SUBST(CC_FOR_TARGET)
2148 AC_SUBST(GCJ_FOR_TARGET)
2149 AC_SUBST(GFORTRAN_FOR_TARGET)
2150 AC_SUBST(CXX_FOR_TARGET)
2151 AC_SUBST(RAW_CXX_FOR_TARGET)
2152 AC_SUBST(CXX_FOR_TARGET_FOR_RECURSIVE_MAKE)
2153 AC_SUBST(RAW_CXX_FOR_TARGET_FOR_RECURSIVE_MAKE)
2155 # Fix up target tools.
2156 if test "x${build}" = "x${host}" ; then
2157 # In this case, the newly built tools can and should be used,
2158 # so we override the results of the autoconf tests.
2159 # This should really only happen when the tools are actually being built,
2160 # but that's a further refinement. The new build scheme, where
2161 # tools are built into a structure paralleling where they're installed,
2162 # should also eliminate all of this cleanly.
2163 AR_FOR_TARGET="\$(USUAL_AR_FOR_TARGET)"
2164 AS_FOR_TARGET="\$(USUAL_AS_FOR_TARGET)"
2165 DLLTOOL_FOR_TARGET="\$(USUAL_DLLTOOL_FOR_TARGET)"
2166 LD_FOR_TARGET="\$(USUAL_LD_FOR_TARGET)"
2167 NM_FOR_TARGET="\$(USUAL_NM_FOR_TARGET)"
2168 RANLIB_FOR_TARGET="\$(USUAL_RANLIB_FOR_TARGET)"
2169 WINDRES_FOR_TARGET="\$(USUAL_WINDRES_FOR_TARGET)"
2171 # Just use the ones we found.
2172 AR_FOR_TARGET="\$(CONFIGURED_AR_FOR_TARGET)"
2173 AS_FOR_TARGET="\$(CONFIGURED_AS_FOR_TARGET)"
2174 DLLTOOL_FOR_TARGET="\$(CONFIGURED_DLLTOOL_FOR_TARGET)"
2175 LD_FOR_TARGET="\$(CONFIGURED_LD_FOR_TARGET)"
2176 NM_FOR_TARGET="\$(CONFIGURED_NM_FOR_TARGET)"
2177 RANLIB_FOR_TARGET="\$(CONFIGURED_RANLIB_FOR_TARGET)"
2178 WINDRES_FOR_TARGET="\$(CONFIGURED_WINDRES_FOR_TARGET)"
2180 AC_SUBST(AR_FOR_TARGET)
2181 AC_SUBST(AS_FOR_TARGET)
2182 AC_SUBST(DLLTOOL_FOR_TARGET)
2183 AC_SUBST(LD_FOR_TARGET)
2184 AC_SUBST(NM_FOR_TARGET)
2185 AC_SUBST(RANLIB_FOR_TARGET)
2186 AC_SUBST(WINDRES_FOR_TARGET)
2188 # Certain tools may need extra flags.
2189 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
2190 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
2191 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
2193 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
2194 AC_ARG_ENABLE(maintainer-mode,
2195 [ --enable-maintainer-mode enable make rules and dependencies not useful
2196 (and sometimes confusing) to the casual installer],
2197 USE_MAINTAINER_MODE=$enableval,
2198 USE_MAINTAINER_MODE=no)
2199 AC_MSG_RESULT($USE_MAINTAINER_MODE)
2200 AC_SUBST(MAINTAINER_MODE_TRUE)
2201 AC_SUBST(MAINTAINER_MODE_FALSE)
2202 if test "$USE_MAINTAINER_MODE" = yes; then
2203 MAINTAINER_MODE_TRUE=
2204 MAINTAINER_MODE_FALSE='#'
2206 MAINTAINER_MODE_TRUE='#'
2207 MAINTAINER_MODE_FALSE=
2209 MAINT=$MAINTAINER_MODE_TRUE
2212 # ---------------------
2213 # GCC bootstrap support
2214 # ---------------------
2216 # Stage specific cflags for build.
2221 yes) stage1_cflags="-g -Wa,-J" ;;
2222 *) stage1_cflags="-g -J" ;;
2225 # The spiffy cpp-precomp chokes on some legitimate constructs in GCC
2226 # sources; use -no-cpp-precomp to get to GNU cpp.
2227 # Apple's GCC has bugs in designated initializer handling, so disable
2229 stage1_cflags="-g -no-cpp-precomp -DHAVE_DESIGNATED_INITIALIZERS=0"
2232 AC_SUBST(stage1_cflags)
2234 # It makes debugging easier if we create as symlinks the stage directories
2235 # gcc for stageN-gcc and stagePREV-gcc for stage(N-1). In case this is not
2236 # possible, however, we can resort to mv.
2237 AC_CACHE_CHECK([if symbolic links between directories work],
2238 [gcc_cv_prog_ln_s_dir],
2239 [if test "${LN_S}" = "ln -s" \
2240 && mkdir confdir.s1 \
2241 && ln -s confdir.s1 confdir.s2 \
2242 && echo timestamp1 > confdir.s1/conftest.1 \
2243 && cmp confdir.s1/conftest.1 confdir.s2/conftest.1 \
2244 && echo timestamp2 > confdir.s2/conftest.2 \
2245 && cmp confdir.s1/conftest.2 confdir.s1/conftest.2 \
2246 && rm -f confdir.s2; then
2247 gcc_cv_prog_ln_s_dir=yes
2249 gcc_cv_prog_ln_s_dir=no
2251 rm -rf confdir.s1 confdir.s2])
2253 case ${gcc_cv_prog_ln_s_dir} in
2255 CREATE_LINK_TO_DIR='ln -s $$1 $$2'
2256 UNDO_LINK_TO_DIR='rm -f $$1' ;;
2258 CREATE_LINK_TO_DIR='mv $$1 $$2'
2259 UNDO_LINK_TO_DIR='mv $$1 $$2' ;;
2261 AC_SUBST(CREATE_LINK_TO_DIR)
2262 AC_SUBST(UNDO_LINK_TO_DIR)
2264 # Enable -Werror in bootstrap stage2 and later.
2265 # Change the default to "no" on release branches.
2266 AC_ARG_ENABLE(werror,
2267 [ --enable-werror enable -Werror in bootstrap stage2 and later], [],
2268 [enable_werror=yes])
2269 case ${enable_werror} in
2270 yes) stage2_werror_flag="--enable-werror-always" ;;
2271 *) stage2_werror_flag="" ;;
2273 AC_SUBST(stage2_werror_flag)