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-*-*)
484 libgcj_ex_libffi=`echo ${libgcj} | sed -e 's/target-libffi//'`
487 noconfigdirs="$noconfigdirs ${libgcj}";;
489 noconfigdirs="$noconfigdirs ${libgcj_ex_libffi}";;
491 noconfigdirs="$noconfigdirs ${libgcj_ex_libffi} target-newlib target-libgloss";;
493 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss";;
497 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-mudflap ${libgcj}"
500 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
503 noconfigdirs="$noconfigdirs ${libgcj} gdb"
506 noconfigdirs="$noconfigdirs ${libgcj} gdb"
509 noconfigdirs="$noconfigdirs ${libgcj}"
512 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
515 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
517 hppa1.1-*-osf* | hppa1.1-*-bsd* )
519 hppa*64*-*-linux* | parisc*64*-*-linux*)
520 # In this case, it's because the hppa64-linux target is for
521 # the kernel only at this point and has no libc, and thus no
522 # headers, crt*.o, etc., all of which are needed by these.
523 noconfigdirs="$noconfigdirs target-zlib"
525 parisc*-*-linux* | hppa*-*-linux*)
531 noconfigdirs="$noconfigdirs ${libgcj}"
534 # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
535 # build on HP-UX 10.20.
536 noconfigdirs="$noconfigdirs ld shellutils ${libgcj}"
539 noconfigdirs="$noconfigdirs ${libgcj} gdb"
542 # No gdb support yet.
543 noconfigdirs="$noconfigdirs readline mmalloc libgui itcl gdb"
546 # No gdb or ld support yet.
547 noconfigdirs="$noconfigdirs ${libgcj} readline mmalloc libgui itcl gdb ld"
551 i[[3456789]]86-*-coff | i[[3456789]]86-*-elf)
552 noconfigdirs="$noconfigdirs ${libgcj}"
554 i[[3456789]]86-*-linux*)
555 # The GCC port for glibc1 has no MD_FALLBACK_FRAME_STATE_FOR, so let's
556 # not build java stuff by default.
559 noconfigdirs="$noconfigdirs ${libgcj}";;
562 # This section makes it possible to build newlib natively on linux.
563 # If we are using a cross compiler then don't configure newlib.
564 if test x${is_cross_compiler} != xno ; then
565 noconfigdirs="$noconfigdirs target-newlib"
567 noconfigdirs="$noconfigdirs target-libgloss"
568 # If we are not using a cross compiler, do configure newlib.
569 # Note however, that newlib will only be configured in this situation
570 # if the --with-newlib option has been given, because otherwise
571 # 'target-newlib' will appear in skipdirs.
573 i[[3456789]]86-*-mingw32*)
574 target_configdirs="$target_configdirs target-mingw"
575 noconfigdirs="$noconfigdirs expect target-libgloss ${libgcj}"
577 # Can't build gdb for mingw32 if not native.
579 i[[3456789]]86-*-mingw32) ;; # keep gdb tcl tk expect etc.
580 *) noconfigdirs="$noconfigdirs gdb tcl tk expect itcl gnuserv"
585 target_configdirs="$target_configdirs target-libtermcap target-winsup"
586 noconfigdirs="$noconfigdirs target-gperf target-libgloss ${libgcj}"
587 # always build newlib if winsup directory is present.
588 if test -d "$srcdir/winsup"; then
589 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
590 elif test -d "$srcdir/newlib"; then
591 echo "Warning: winsup is missing so newlib can't be built."
594 # Can't build gdb for Cygwin if not native.
596 *-*-cygwin*) ;; # keep gdb tcl tk expect etc.
597 *) noconfigdirs="$noconfigdirs gdb tcl tk expect itcl libgui gnuserv"
601 i[[3456789]]86-moss-msdos | i[[3456789]]86-*-moss* | \
602 i[[3456789]]86-*-uwin* | i[[3456789]]86-*-interix* )
605 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
607 i[[3456789]]86-*-sco3.2v5*)
608 # The linker does not yet know about weak symbols in COFF,
609 # and is not configured to handle mixed ELF and COFF.
610 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
612 i[[3456789]]86-*-sco*)
613 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
615 i[[3456789]]86-*-solaris2*)
616 noconfigdirs="$noconfigdirs target-libgloss"
618 i[[3456789]]86-*-sysv4*)
619 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
621 i[[3456789]]86-*-beos*)
622 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
625 noconfigdirs="$noconfigdirs ${libgcj}"
627 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
628 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
631 noconfigdirs="$noconfigdirs ${libgcj}"
634 noconfigdirs="$noconfigdirs ${libgcj}"
637 # The EPOC C++ environment does not support exceptions or rtti,
638 # and so building libstdc++-v3 tends not to always work.
639 noconfigdirs="$noconfigdirs target-libstdc++-v3"
642 noconfigdirs="$noconfigdirs ${libgcj} gdb libgloss target-libgfortran"
645 noconfigdirs="$noconfigdirs ${libgcj}"
648 noconfigdirs="$noconfigdirs ${libgcj}"
651 # copied from rs6000-*-* entry
652 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
654 powerpc*-*-winnt* | powerpc*-*-pe* | ppc*-*-pe)
655 target_configdirs="$target_configdirs target-winsup"
656 noconfigdirs="$noconfigdirs gdb tcl tk make expect target-libgloss itcl gnuserv ${libgcj}"
657 # always build newlib.
658 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
660 # This is temporary until we can link against shared libraries
661 powerpcle-*-solaris*)
662 noconfigdirs="$noconfigdirs gdb sim make tcl tk expect itcl gnuserv ${libgcj}"
665 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
668 noconfigdirs="$noconfigdirs ${libgcj}"
670 powerpc-*-eabi* | powerpcle-*-eabi* | powerpc-*-rtems* )
673 noconfigdirs="$noconfigdirs target-newlib gprof ${libgcj}"
676 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
679 noconfigdirs="$noconfigdirs gprof ${libgcj}"
682 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss ${libgcj}"
685 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
688 # Linking libjava exceeds command-line length limits on at least
689 # IRIX 6.2, but not on IRIX 6.5.
690 # Also, boehm-gc won't build on IRIX 6.5, according to Jeffrey Oldham
691 # <oldham@codesourcery.com>
692 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
695 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
698 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
701 noconfigdirs="$noconfigdirs gprof ${libgcj}" # same as generic mips
704 noconfigdirs="$noconfigdirs target-newlib ${libgcj}"
707 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
710 noconfigdirs="$noconfigdirs gprof ${libgcj}"
713 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes target-libgloss ${libgcj}"
717 i[[3456789]]86-*-vsta) ;; # don't add gprof back in
718 i[[3456789]]86-*-go32*) ;; # don't add gprof back in
719 i[[3456789]]86-*-msdosdjgpp*) ;; # don't add gprof back in
720 *) skipdirs=`echo " ${skipdirs} " | sed -e 's/ gprof / /'` ;;
722 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
725 noconfigdirs="$noconfigdirs ${libgcj}"
728 noconfigdirs="$noconfigdirs ${libgcj}"
731 noconfigdirs="$noconfigdirs ${libgcj}"
734 noconfigdirs="$noconfigdirs ${libgcj}"
735 if test x${is_cross_compiler} != xno ; then
736 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
741 sparc-*-solaris2.[[0-6]] | sparc-*-solaris2.[[0-6]].*)
742 noconfigdirs="$noconfigdirs ${libgcj}"
744 sparc-*-solaris* | sparc64-*-solaris* | sparcv9-*-solaris*)
747 noconfigdirs="$noconfigdirs bfd binutils gas gcc gdb ld target-libstdc++-v3 opcodes target-libgloss ${libgcj}"
750 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
753 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
756 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
759 noconfigdirs="$noconfigdirs bfd binutils gdb ld target-newlib opcodes target-libgloss ${libgcj}"
762 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
765 noconfigdirs="$noconfigdirs ${libgcj}"
768 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
770 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu)
771 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
774 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
777 noconfigdirs="$noconfigdirs ${libgcj}"
781 # If we aren't building newlib, then don't build libgloss, since libgloss
782 # depends upon some newlib header files.
783 case "${noconfigdirs}" in
784 *target-libgloss*) ;;
785 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
788 # Work in distributions that contain no compiler tools, like Autoconf.
790 host_makefile_frag=/dev/null
791 if test -d ${srcdir}/config ; then
794 # Avoid "too much defining" errors from HPUX compiler.
795 tentative_cc="cc -Wp,-H256000"
796 # If "ar" in $PATH is GNU ar, the symbol table may need rebuilding.
797 # If it's HP/UX ar, this should be harmless.
801 tentative_cc="cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DUSG"
804 #None of the Apollo compilers can compile gas or binutils. The preprocessor
805 # chokes on bfd, the compiler won't let you assign integers to enums, and
806 # other problems. Defining CC to gcc is a questionable way to say "don't use
807 # the apollo compiler" (the preferred version of GCC could be called cc,
808 # or whatever), but I'm not sure leaving CC as cc is any better...
809 #CC=cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DNO_STDARG
810 # Used to have BISON=yacc.
814 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
817 # Under CX/UX, we want to tell the compiler to use ANSI mode.
818 tentative_cc="cc -Xa"
819 host_makefile_frag="config/mh-cxux"
824 tentative_cc="cc -Wf,-XNg1000"
825 host_makefile_frag="config/mh-decstation"
828 # The C compiler on NEC MIPS SVR4 needs bigger tables.
829 tentative_cc="cc -ZXNd=5000 -ZXNg=1000"
830 host_makefile_frag="config/mh-necv4"
833 # Tell compiler to use K&R C. We can't compile under the SGI Ansi
834 # environment. Also bump switch table size so that cp-parse will
835 # compile. Bump string length limit so linker builds.
836 tentative_cc="cc -cckr -Wf,-XNg1500 -Wf,-XNk1000 -Wf,-XNh2000 -Wf,-XNl8192"
839 host_makefile_frag="config/mh-sysv4"
842 # This is for a MIPS running RISC/os 4.52C.
844 # This is needed for GDB, but needs to be in the top-level make because
845 # if a library is compiled with the bsd headers and gets linked with the
846 # sysv system libraries all hell can break loose (e.g. a jmp_buf might be
848 # ptrace(2) apparently has problems in the BSD environment. No workaround is
849 # known except to select the sysv environment. Could we use /proc instead?
850 # These "sysv environments" and "bsd environments" often end up being a pain.
852 # This is not part of CFLAGS because perhaps not all C compilers have this
854 tentative_cc="cc -systype sysv"
859 i[[3456789]]86-*-sysv5*)
860 host_makefile_frag="config/mh-sysv5"
862 i[[3456789]]86-*-dgux*)
863 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
864 host_makefile_frag="config/mh-dgux386"
866 i[[3456789]]86-ncr-sysv4.3*)
867 # The MetaWare compiler will generate a copyright message unless you
868 # turn it off by adding the -Hnocopyr flag.
869 tentative_cc="cc -Hnocopyr"
871 i[[3456789]]86-ncr-sysv4*)
872 # for an NCR 3000 (i486/SVR4) system.
873 # The NCR 3000 ships with a MetaWare compiler installed as /bin/cc.
874 # This compiler not only emits obnoxious copyright messages every time
875 # you run it, but it chokes and dies on a whole bunch of GNU source
876 # files. Default to using the AT&T compiler installed in /usr/ccs/ATT/cc.
877 tentative_cc="/usr/ccs/ATT/cc"
878 host_makefile_frag="config/mh-ncr3000"
880 i[[3456789]]86-*-sco3.2v5*)
882 i[[3456789]]86-*-sco*)
883 # The native C compiler botches some simple uses of const. Unfortunately,
884 # it doesn't defined anything like "__sco__" for us to test for in ansidecl.h.
885 tentative_cc="cc -Dconst="
886 host_makefile_frag="config/mh-sco"
888 i[[3456789]]86-*-udk*)
889 host_makefile_frag="config/mh-sysv5"
891 i[[3456789]]86-*-solaris2*)
892 host_makefile_frag="config/mh-sysv4"
894 i[[3456789]]86-*-msdosdjgpp*)
895 host_makefile_frag="config/mh-djgpp"
898 host_makefile_frag="config/mh-cygwin"
903 host_makefile_frag="config/mh-interix"
906 # The old BSD pcc isn't up to compiling parts of gdb so use gcc
910 host_makefile_frag="config/mh-solaris"
913 # Sun's C compiler needs the -J flag to be able to compile cp-parse.c
914 # without overflowing the jump tables (-J says to use a 32 bit table)
918 tentative_cc="cc -Wp,-H256000"
921 tentative_cc="cc -Wp,-H256000"
924 # /bin/cc is less than useful for our purposes. Always use GCC
925 tentative_cc="/usr/cygnus/progressive/bin/gcc"
926 host_makefile_frag="config/mh-lynxrs6k"
929 host_makefile_frag="config/mh-ppc-darwin"
932 # /bin/cc is less than useful for our purposes. Always use GCC
933 tentative_cc="/bin/gcc"
936 host_makefile_frag="config/mh-sysv4"
938 # This is placed last to prevent interfering with the cases above.
940 # Build the stage2 and stage3 compilers with -fomit-frame-pointer.
941 host_makefile_frag="config/mh-x86omitfp"
946 # If we aren't going to be using gcc, see if we can extract a definition
947 # of CC from the fragment.
948 # Actually, use the 'pre-extracted' version above.
949 if test -z "${CC}" && test "${build}" = "${host}" ; then
950 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
953 test -z "$dir" && dir=.
954 if test -f $dir/gcc; then
960 if test -z "${found}" && test -n "${tentative_cc}" ; then
965 if test "${build}" != "${host}" ; then
966 # If we are doing a Canadian Cross, in which the host and build systems
967 # are not the same, we set reasonable default values for the tools.
969 CC=${CC-${host_alias}-gcc}
970 CFLAGS=${CFLAGS-"-g -O2"}
971 CXX=${CXX-${host_alias}-c++}
972 CXXFLAGS=${CXXFLAGS-"-g -O2"}
973 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
974 CC_FOR_TARGET=${CC_FOR_TARGET-${target_alias}-gcc}
975 CXX_FOR_TARGET=${CXX_FOR_TARGET-${target_alias}-c++}
976 GCJ_FOR_TARGET=${GCJ_FOR_TARGET-${target_alias}-gcj}
977 GCC_FOR_TARGET=${GCC_FOR_TARGET-${CC_FOR_TARGET-${target_alias}-gcc}}
978 BUILD_PREFIX=${build_alias}-
979 BUILD_PREFIX_1=${build_alias}-
982 # Set reasonable default values for some tools even if not Canadian.
983 # Of course, these are different reasonable default values, originally
984 # specified directly in the Makefile.
985 # We don't export, so that autoconf can do its job.
986 # Note that all these settings are above the fragment inclusion point
987 # in Makefile.in, so can still be overridden by fragments.
988 # This is all going to change when we autoconfiscate...
990 CC_FOR_BUILD="\$(CC)"
991 GCC_FOR_TARGET="\$(USUAL_GCC_FOR_TARGET)"
993 BUILD_PREFIX_1=loser-
997 # We must set the default linker to the linker used by gcc for the correct
998 # operation of libtool. If LD is not defined and we are using gcc, try to
999 # set the LD default to the ld used by gcc.
1000 if test -z "$LD"; then
1001 if test "$GCC" = yes; then
1004 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1006 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1008 case $gcc_prog_ld in
1009 # Accept absolute paths.
1010 [[\\/]* | [A-Za-z]:[\\/]*)]
1011 LD="$gcc_prog_ld" ;;
1017 CFLAGS=${CFLAGS-"-g"}
1018 CXXFLAGS=${CXXFLAGS-"-g -O2"}
1022 ACX_PROG_CMP_IGNORE_INITIAL
1024 # Check for GMP and MPFR
1028 # Specify a location for mpfr
1029 # check for this first so it ends up on the link line before gmp.
1030 AC_ARG_WITH(mpfr-dir, [ --with-mpfr-dir=PATH Specify source directory for MPFR library])
1032 if test "x$with_mpfr_dir" != x; then
1033 gmpinc="-I$with_mpfr_dir/mpfr"
1034 gmplibs="$with_mpfr_dir/libmpfr.a"
1039 AC_ARG_WITH(mpfr, [ --with-mpfr=PATH Specify directory for installed MPFR library])
1041 if test "x$with_mpfr" != x; then
1042 gmplibs="-L$with_mpfr/lib $gmplibs"
1043 gmpinc="-I$with_mpfr/include"
1046 # Specify a location for gmp
1047 AC_ARG_WITH(gmp-dir, [ --with-gmp-dir=PATH Specify source directory for GMP library])
1049 if test "x$with_gmp_dir" != x; then
1050 gmpinc="$gmpinc -I$with_gmp_dir"
1051 if test -f "$with_gmp_dir/.libs/libgmp.a"; then
1052 gmplibs="$gmplibs $with_gmp_dir/.libs/libgmp.a"
1053 elif test -f "$with_gmp_dir/_libs/libgmp.a"; then
1054 gmplibs="$gmplibs $with_gmp_dir/_libs/libgmp.a"
1056 # One of the later tests will catch the error if neither library is present.
1058 gmplibs="$gmplibs -lgmp"
1061 AC_ARG_WITH(gmp, [ --with-gmp=PATH Specify directory for installed GMP library])
1063 if test "x$with_gmp" != x; then
1064 gmplibs="-L$with_gmp/lib $gmplibs"
1065 gmpinc="-I$with_gmp/include $gmpinc"
1068 saved_CFLAGS="$CFLAGS"
1069 CFLAGS="$CFLAGS $gmpinc"
1070 # Check GMP actually works
1071 AC_MSG_CHECKING([for correct version of gmp.h])
1072 AC_TRY_COMPILE([#include "gmp.h"],[
1073 #if __GNU_MP_VERSION < 3
1076 ], [AC_MSG_RESULT([yes])],
1077 [AC_MSG_RESULT([no]); have_gmp=no])
1079 if test x"$have_gmp" = xyes; then
1080 AC_MSG_CHECKING([for MPFR])
1083 LIBS="$LIBS $gmplibs"
1084 AC_TRY_LINK([#include <gmp.h>
1085 #include <mpfr.h>], [mpfr_t n; mpfr_init(n);],
1086 [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1088 CFLAGS="$saved_CFLAGS"
1091 # Flags needed for both GMP and/or MPFR
1095 # By default, C is the only stage 1 language.
1097 AC_SUBST(stage1_languages)
1099 # Figure out what language subdirectories are present.
1100 # Look if the user specified --enable-languages="..."; if not, use
1101 # the environment variable $LANGUAGES if defined. $LANGUAGES might
1103 # NB: embedded tabs in this IF block -- do not untabify
1104 if test -d ${srcdir}/gcc; then
1105 if test x"${enable_languages+set}" != xset; then
1106 if test x"${LANGUAGES+set}" = xset; then
1107 enable_languages="${LANGUAGES}"
1108 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1110 enable_languages=all
1113 if test x"${enable_languages}" = x ||
1114 test x"${enable_languages}" = xyes;
1116 echo configure.in: --enable-languages needs at least one language argument 1>&2
1120 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1122 # First scan to see if an enabled language requires some other language.
1123 # We assume that a given config-lang.in will list all the language
1124 # front ends it requires, even if some are required indirectly.
1125 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1126 case ${lang_frag} in
1128 # The odd quoting in the next line works around
1129 # an apparent bug in bash 1.12 on linux.
1130 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1132 # From the config-lang.in, get $language, $lang_requires
1136 for other in ${lang_requires} ; do
1137 case ,${enable_languages}, in
1141 echo " \`$other' language required by \`$language'; enabling" 1>&2
1142 enable_languages="${enable_languages},${other}"
1150 new_enable_languages=c
1151 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
1152 potential_languages=c
1154 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1155 case ${lang_frag} in
1157 # The odd quoting in the next line works around
1158 # an apparent bug in bash 1.12 on linux.
1159 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1161 # From the config-lang.in, get $language, $target_libs,
1162 # $lang_dirs, $boot_language, and $build_by_default
1170 potential_languages="${potential_languages},${language}"
1171 # This is quite sensitive to the ordering of the case statement arms.
1172 case ,${enable_languages},:${language}:${have_gnat}:${build_by_default} in
1174 echo "${lang_frag} doesn't set \$language." 1>&2
1178 # Ada was requested with no preexisting GNAT. Disable unconditionally.
1181 *,${language},*:*:*:*)
1182 # Language was explicitly selected; include it.
1186 # 'all' was selected, but this is not a default language
1187 # so do not include it.
1191 # 'all' was selected and this is a default language; include it.
1199 # Disable languages that need GMP if it isn't available.
1200 case ,${enable_languages},:${have_gmp}:${need_gmp} in
1201 *,${language},*:no:yes)
1202 # Specifically requested language; tell them.
1203 AC_MSG_ERROR([GMP with MPFR support is required to build $language])
1211 case $add_this_lang in
1213 # Remove language-dependent dirs.
1214 eval noconfigdirs='"$noconfigdirs "'\"$target_libs $lang_dirs\"
1217 new_enable_languages="$new_enable_languages,$language"
1218 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
1219 case ${boot_language} in
1221 # Add to (comma-separated) list of stage 1 languages.
1222 stage1_languages="${stage1_languages},${language}"
1231 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
1232 if test "x$missing_languages" != x; then
1234 The following requested languages could not be built: ${missing_languages}
1235 Recognised languages are: ${potential_languages}])
1238 if test "x$new_enable_languages" != "x$enable_languages"; then
1239 echo The following languages will be built: ${new_enable_languages}
1241 enable_languages="$new_enable_languages"
1242 ac_configure_args=`echo " $ac_configure_args" | sed -e 's/ --enable-languages=[[^ ]]*//' -e 's/$/ --enable-languages='"$enable_languages"/ `
1245 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
1246 # $build_configdirs and $target_configdirs.
1247 # If we have the source for $noconfigdirs entries, add them to $notsupp.
1250 for dir in . $skipdirs $noconfigdirs ; do
1251 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
1252 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1253 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
1254 if test -r $srcdir/$dirname/configure ; then
1255 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1258 notsupp="$notsupp $dir"
1262 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1263 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"`
1264 if test -r $srcdir/$dirname/configure ; then
1265 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1268 notsupp="$notsupp $dir"
1272 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1273 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
1274 if test -r $srcdir/$dirname/configure ; then
1275 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1278 notsupp="$notsupp $dir"
1284 # Sometimes the tools are distributed with libiberty but with no other
1285 # libraries. In that case, we don't want to build target-libiberty.
1286 if test -n "${target_configdirs}" ; then
1288 for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do
1289 if test "$i" != "libiberty" ; then
1290 if test -r $srcdir/$i/configure ; then
1296 if test -z "${others}" ; then
1301 # Quietly strip out all directories which aren't configurable in this tree.
1302 # This relies on all configurable subdirectories being autoconfiscated, which
1304 build_configdirs_all="$build_configdirs"
1306 for i in ${build_configdirs_all} ; do
1307 j=`echo $i | sed -e s/build-//g`
1308 if test -f ${srcdir}/$j/configure ; then
1309 build_configdirs="${build_configdirs} $i"
1313 configdirs_all="$configdirs"
1315 for i in ${configdirs_all} ; do
1316 if test -f ${srcdir}/$i/configure ; then
1317 configdirs="${configdirs} $i"
1321 target_configdirs_all="$target_configdirs"
1323 for i in ${target_configdirs_all} ; do
1324 j=`echo $i | sed -e s/target-//g`
1325 if test -f ${srcdir}/$j/configure ; then
1326 target_configdirs="${target_configdirs} $i"
1330 # Produce a warning message for the subdirs we can't configure.
1331 # This isn't especially interesting in the Cygnus tree, but in the individual
1332 # FSF releases, it's important to let people know when their machine isn't
1333 # supported by the one or two programs in a package.
1335 if test -n "${notsupp}" && test -z "${norecursion}" ; then
1336 # If $appdirs is non-empty, at least one of those directories must still
1337 # be configured, or we error out. (E.g., if the gas release supports a
1338 # specified target in some subdirs but not the gas subdir, we shouldn't
1339 # pretend that all is well.)
1340 if test -n "$appdirs" ; then
1341 for dir in $appdirs ; do
1342 if test -r $dir/Makefile.in ; then
1343 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1347 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
1353 if test -n "$appdirs" ; then
1354 echo "*** This configuration is not supported by this package." 1>&2
1358 # Okay, some application will build, or we don't care to check. Still
1359 # notify of subdirs not getting built.
1360 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
1361 echo " ${notsupp}" 1>&2
1362 echo " (Any other directories should still work fine.)" 1>&2
1372 # Handle --with-headers=XXX. If the value is not "yes", the contents of
1373 # the named directory are copied to $(tooldir)/sys-include.
1374 if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
1375 if test x${is_cross_compiler} = xno ; then
1376 echo 1>&2 '***' --with-headers is only supported when cross compiling
1379 if test x"${with_headers}" != xyes ; then
1380 case "${exec_prefixoption}" in
1382 *) x=${exec_prefix} ;;
1384 copy_dirs="${copy_dirs} ${with_headers} $x/${target_alias}/sys-include"
1388 # Handle --with-libs=XXX. If the value is not "yes", the contents of
1389 # the name directories are copied to $(tooldir)/lib. Multiple directories
1391 if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
1392 if test x${is_cross_compiler} = xno ; then
1393 echo 1>&2 '***' --with-libs is only supported when cross compiling
1396 if test x"${with_libs}" != xyes ; then
1397 # Copy the libraries in reverse order, so that files in the first named
1398 # library override files in subsequent libraries.
1399 case "${exec_prefixoption}" in
1401 *) x=${exec_prefix} ;;
1403 for l in ${with_libs}; do
1404 copy_dirs="$l $x/${target_alias}/lib ${copy_dirs}"
1409 # Handle ${copy_dirs}
1410 set fnord ${copy_dirs}
1412 while test $# != 0 ; do
1413 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
1416 echo Copying $1 to $2
1418 # Use the install script to create the directory and all required
1419 # parent directories.
1420 if test -d $2 ; then
1424 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
1427 # Copy the directory, assuming we have tar.
1428 # FIXME: Should we use B in the second tar? Not all systems support it.
1429 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
1431 # It is the responsibility of the user to correctly adjust all
1432 # symlinks. If somebody can figure out how to handle them correctly
1433 # here, feel free to add the code.
1440 extra_arflags_for_target=
1441 extra_nmflags_for_target=
1442 extra_ranlibflags_for_target=
1443 target_makefile_frag=/dev/null
1446 target_makefile_frag="config/mt-netware"
1448 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu)
1449 target_makefile_frag="config/mt-gnu"
1451 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
1452 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
1453 # commands to handle both 32-bit and 64-bit objects. These flags are
1454 # harmless if we're using GNU nm or ar.
1455 extra_arflags_for_target=" -X32_64"
1456 extra_nmflags_for_target=" -B -X32_64"
1459 # ranlib from Darwin requires the -c flag to look at common symbols.
1460 extra_ranlibflags_for_target=" -c"
1462 mips*-*-pe | sh*-*-pe | *arm-wince-pe)
1463 target_makefile_frag="config/mt-wince"
1467 alphaieee_frag=/dev/null
1470 # This just makes sure to use the -mieee option to build target libs.
1471 # This should probably be set individually by each library.
1472 alphaieee_frag="config/mt-alphaieee"
1476 # If --enable-target-optspace always use -Os instead of -O2 to build
1477 # the target libraries, similarly if it is not specified, use -Os
1478 # on selected platforms.
1479 ospace_frag=/dev/null
1480 case "${enable_target_optspace}:${target}" in
1482 ospace_frag="config/mt-ospace"
1485 ospace_frag="config/mt-d30v"
1487 :m32r-* | :d10v-* | :fr30-*)
1488 ospace_frag="config/mt-ospace"
1493 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
1497 # Set with_gnu_as and with_gnu_ld as appropriate.
1499 # This is done by determining whether or not the appropriate directory
1500 # is available, and by checking whether or not specific configurations
1501 # have requested that this magic not happen.
1503 # The command line options always override the explicit settings in
1504 # configure.in, and the settings in configure.in override this magic.
1506 # If the default for a toolchain is to use GNU as and ld, and you don't
1507 # want to do that, then you should use the --without-gnu-as and
1508 # --without-gnu-ld options for the configure script.
1510 if test x${use_gnu_as} = x &&
1511 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
1513 extra_host_args="$extra_host_args --with-gnu-as"
1516 if test x${use_gnu_ld} = x &&
1517 echo " ${configdirs} " | grep " ld " > /dev/null 2>&1 ; then
1519 extra_host_args="$extra_host_args --with-gnu-ld"
1522 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
1523 # can detect this case.
1525 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
1527 extra_host_args="$extra_host_args --with-newlib"
1530 # Default to using --with-stabs for certain targets.
1531 if test x${with_stabs} = x ; then
1533 mips*-*-irix[[56]]*)
1535 mips*-*-* | alpha*-*-osf*)
1537 extra_host_args="${extra_host_args} --with-stabs"
1542 # hpux11 in 64bit mode has libraries in a weird place. Arrange to find
1543 # them automatically.
1546 extra_host_args="$extra_host_args -x-libraries=/usr/lib/pa20_64 -x-includes=/usr/X11R6/include"
1550 # Some systems (e.g., one of the i386-aix systems the gas testers are
1551 # using) don't handle "\$" correctly, so don't use it here.
1552 tooldir='${exec_prefix}'/${target_alias}
1553 build_tooldir=${tooldir}
1555 # Generate default definitions for YACC, M4, LEX and other programs that run
1556 # on the build machine. These are used if the Makefile can't locate these
1557 # programs in objdir.
1558 MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
1559 AC_CHECK_PROGS([CONFIGURED_BISON], [bison], [$MISSING bison])
1560 AC_CHECK_PROGS([CONFIGURED_YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
1561 AC_CHECK_PROGS([CONFIGURED_M4], [gm4 gnum4 m4], [$MISSING m4])
1562 AC_CHECK_PROGS([CONFIGURED_FLEX], [flex], [$MISSING flex])
1563 AC_CHECK_PROGS([CONFIGURED_LEX], [flex lex], [$MISSING flex])
1564 AC_CHECK_PROGS([CONFIGURED_MAKEINFO], makeinfo, [$MISSING makeinfo])
1566 # Create a .gdbinit file which runs the one in srcdir
1567 # and tells GDB to look there for source files.
1569 if test -r ${srcdir}/.gdbinit ; then
1572 *) cat > ./.gdbinit <<EOF
1576 source ${srcdir}/.gdbinit
1582 # Make sure that the compiler is able to generate an executable. If it
1583 # can't, we are probably in trouble. We don't care whether we can run the
1584 # executable--we might be using a cross compiler--we only care whether it
1585 # can be created. At this point the main configure script has set CC.
1587 echo "int main () { return 0; }" > conftest.c
1588 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
1589 if test $? = 0 ; then
1590 if test -s conftest || test -s conftest.exe ; then
1596 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
1597 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
1604 # The Solaris /usr/ucb/cc compiler does not appear to work.
1606 sparc-sun-solaris2*)
1607 CCBASE="`echo ${CC-cc} | sed 's/ .*$//'`"
1608 if test "`type $CCBASE | sed 's/^[[^/]]*//'`" = "/usr/ucb/cc" ; then
1610 test -d /opt/SUNWspro/bin && could_use="/opt/SUNWspro/bin"
1611 if test -d /opt/cygnus/bin ; then
1612 if test "$could_use" = "" ; then
1613 could_use="/opt/cygnus/bin"
1615 could_use="$could_use or /opt/cygnus/bin"
1618 if test "$could_use" = "" ; then
1619 echo "Warning: compilation may fail because you're using"
1620 echo "/usr/ucb/cc. You should change your PATH or CC "
1621 echo "variable and rerun configure."
1623 echo "Warning: compilation may fail because you're using"
1624 echo "/usr/ucb/cc, when you should use the C compiler from"
1625 echo "$could_use. You should change your"
1626 echo "PATH or CC variable and rerun configure."
1633 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
1634 *-*-darwin* | *-*-rhapsody* ) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;;
1635 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
1638 # Record target_configdirs and the configure arguments for target and
1639 # build configuration in Makefile.
1640 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
1641 build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
1643 # Determine whether gdb needs tk/tcl or not.
1644 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
1645 # and in that case we want gdb to be built without tk. Ugh!
1646 # In fact I believe gdb is the *only* package directly dependent on tk,
1647 # so we should be able to put the 'maybe's in unconditionally and
1648 # leave out the maybe dependencies when enable_gdbtk is false. I'm not
1649 # 100% sure that that's safe though.
1651 gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
1652 case "$enable_gdbtk" in
1656 GDB_TK="${gdb_tk}" ;;
1658 # Only add the dependency on gdbtk when GDBtk is part of the gdb
1659 # distro. Eventually someone will fix this and move Insight, nee
1660 # gdbtk to a separate directory.
1661 if test -d ${srcdir}/gdb/gdbtk ; then
1669 # Strip out unwanted targets.
1671 # While at that, we remove Makefiles if we were started for recursive
1672 # configuration, so that the top-level Makefile reconfigures them,
1673 # like we used to do when configure itself was recursive.
1675 # Loop over modules. $extrasub must be used with care, limiting as
1676 # much as possible the usage of range addresses. That's because autoconf
1677 # splits the sed script to overcome limits in the number of commands,
1678 # and relying on carefully-timed sed passes may turn out to be very hard
1679 # to maintain later. In this particular case, you just have to be careful
1680 # not to nest @if/@endif pairs, because configure will not warn you at all.
1682 AC_ARG_ENABLE([bootstrap],
1683 [ --enable-bootstrap[=lean] Enable bootstrapping [no]],,
1684 enable_bootstrap=default)
1686 # Issue errors and warnings for invalid/strange bootstrap combinations.
1687 case "$configdirs" in
1688 *gcc*) have_compiler=yes ;;
1689 *) have_compiler=no ;;
1692 case "$have_compiler:$host:$target:$enable_bootstrap" in
1695 # Default behavior. (We'll) enable bootstrap if we have a compiler
1696 # and we are in a native configuration.
1697 yes:$build:$build:default)
1698 # This will become 'yes'
1699 enable_bootstrap=no ;;
1702 enable_bootstrap=no ;;
1704 # We have a compiler and we are in a native configuration, bootstrap is ok
1705 yes:$build:$build:yes | yes:$build:$build:lean)
1708 # Other configurations, but we have a compiler. Assume the user knows
1710 yes:*:*:yes | yes:*:*:lean)
1711 AC_MSG_WARN([trying to bootstrap a cross compiler])
1714 # No compiler: if they passed --enable-bootstrap explicitly, fail
1715 no:*:*:yes | no:*:*:lean)
1716 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
1718 # Fail if wrong command line
1720 AC_MSG_ERROR([invalid option for --enable-bootstrap])
1724 # Adjust the toplevel makefile according to whether bootstrap was selected.
1725 case "$enable_bootstrap" in
1728 default_target=bootstrap
1729 bootstrap_suffix=bootstrap ;;
1732 default_target=bootstrap
1733 bootstrap_suffix=bootstrap ;;
1736 bootstrap_suffix=no-bootstrap ;;
1738 AC_SUBST(bootstrap_lean)
1739 AC_SUBST(default_target)
1741 for module in ${build_configdirs} ; do
1742 if test -z "${no_recursion}" \
1743 && test -f ${build_subdir}/${module}/Makefile; then
1744 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
1745 rm -f ${build_subdir}/${module}/Makefile
1748 /^@if build-$module\$/d
1749 /^@endif build-$module\$/d
1750 /^@if build-$module-$bootstrap_suffix\$/d
1751 /^@endif build-$module-$bootstrap_suffix\$/d"
1753 for module in ${configdirs} ; do
1754 if test -z "${no_recursion}" \
1755 && test -f ${module}/Makefile; then
1756 echo 1>&2 "*** removing ${module}/Makefile to force reconfigure"
1757 rm -f ${module}/Makefile
1761 /^@endif $module\$/d
1762 /^@if $module-$bootstrap_suffix\$/d
1763 /^@endif $module-$bootstrap_suffix\$/d"
1765 for module in ${target_configdirs} ; do
1766 if test -z "${no_recursion}" \
1767 && test -f ${target_subdir}/${module}/Makefile; then
1768 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
1769 rm -f ${target_subdir}/${module}/Makefile
1772 /^@if target-$module\$/d
1773 /^@endif target-$module\$/d
1774 /^@if target-$module-$bootstrap_suffix\$/d
1775 /^@endif target-$module-$bootstrap_suffix\$/d"
1779 /^@if /,/^@endif /d"
1781 # Create the serialization dependencies. This uses a temporary file.
1783 AC_ARG_ENABLE([serial-configure],
1784 [ --enable-serial-[{host,target,build}-]configure
1785 Force sequential configuration of
1786 sub-packages for the host, target or build
1787 machine, or all sub-packages])
1789 case ${enable_serial_configure} in
1791 enable_serial_build_configure=yes
1792 enable_serial_host_configure=yes
1793 enable_serial_target_configure=yes
1797 # These force 'configure's to be done one at a time, to avoid problems
1798 # with contention over a shared config.cache.
1800 echo '# serdep.tmp' > serdep.tmp
1802 test "x${enable_serial_build_configure}" = xyes &&
1803 for item in ${build_configdirs} ; do
1806 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
1811 test "x${enable_serial_host_configure}" = xyes &&
1812 for item in ${configdirs} ; do
1815 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
1820 test "x${enable_serial_target_configure}" = xyes &&
1821 for item in ${target_configdirs} ; do
1824 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
1828 serialization_dependencies=serdep.tmp
1829 AC_SUBST_FILE(serialization_dependencies)
1831 # Base args. Strip norecursion, cache-file, srcdir, host, build,
1832 # target and nonopt. These are the ones we might not want to pass
1833 # down to subconfigures. Also strip program-prefix, program-suffix,
1834 # and program-transform-name, so that we can pass down a consistent
1835 # program-transform-name. If autoconf has put single quotes around
1836 # any of these arguments (because they contain shell metacharacters)
1837 # then this will fail; in practice this only happens for
1838 # --program-transform-name, so be sure to override --program-transform-name
1839 # at the end of the argument list.
1840 # These will be expanded by make, so quote '$'.
1841 cat <<\EOF_SED > conftestsed
1843 s/ --c[[a-z-]]*[[= ]][[^ ]]*//g
1844 s/ --sr[[a-z-]]*[[= ]][[^ ]]*//g
1845 s/ --ho[[a-z-]]*[[= ]][[^ ]]*//g
1846 s/ --bu[[a-z-]]*[[= ]][[^ ]]*//g
1847 s/ --t[[a-z-]]*[[= ]][[^ ]]*//g
1848 s/ --program-[[pst]][[a-z-]]*[[= ]][[^ ]]*//g
1849 s/ -cache-file[[= ]][[^ ]]*//g
1850 s/ -srcdir[[= ]][[^ ]]*//g
1851 s/ -host[[= ]][[^ ]]*//g
1852 s/ -build[[= ]][[^ ]]*//g
1853 s/ -target[[= ]][[^ ]]*//g
1854 s/ -program-prefix[[= ]][[^ ]]*//g
1855 s/ -program-suffix[[= ]][[^ ]]*//g
1856 s/ -program-transform-name[[= ]][[^ ]]*//g
1857 s/ [[^' -][^ ]*] / /
1861 sed -f conftestsed <<EOF_SED > conftestsed.out
1862 ${ac_configure_args}
1864 baseargs=`cat conftestsed.out`
1865 rm -f conftestsed conftestsed.out
1867 # Add in --program-transform-name, after --program-prefix and
1868 # --program-suffix have been applied to it. Autoconf has already
1869 # doubled dollar signs and backslashes in program_transform_name; we want
1870 # the backslashes un-doubled, and then the entire thing wrapped in single
1871 # quotes, because this will be expanded first by make and then by the shell.
1872 # Also, because we want to override the logic in subdir configure scripts to
1873 # choose program_transform_name, replace any s,x,x, with s,y,y,.
1874 sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
1875 ${program_transform_name}
1877 gcc_transform_name=`cat conftestsed.out`
1878 rm -f conftestsed.out
1879 baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
1881 # For the build-side libraries, we just need to pretend we're native,
1882 # and not use the same cache file. Multilibs are neither needed nor
1884 build_configargs="--cache-file=../config.cache --build=${build_alias} --host=${build_alias} --target=${target_alias} ${baseargs}"
1886 # For host modules, accept cache file option, or specification as blank.
1887 case "${cache_file}" in
1889 cache_file_option="" ;;
1890 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
1891 cache_file_option="--cache-file=${cache_file}" ;;
1893 cache_file_option="--cache-file=../${cache_file}" ;;
1896 # Host dirs don't like to share a cache file either, horribly enough.
1897 # This seems to be due to autoconf 2.5x stupidity.
1898 host_configargs="--cache-file=./config.cache --build=${build_alias} --host=${host_alias} --target=${target_alias} ${extra_host_args} ${baseargs}"
1900 target_configargs=${baseargs}
1902 # Passing a --with-cross-host argument lets the target libraries know
1903 # whether they are being built with a cross-compiler or being built
1904 # native. However, it would be better to use other mechanisms to make the
1905 # sorts of decisions they want to make on this basis. Please consider
1906 # this option to be deprecated. FIXME.
1907 if test x${is_cross_compiler} = xyes ; then
1908 target_configargs="--with-cross-host=${host_alias} ${target_configargs}"
1911 # Default to --enable-multilib.
1912 if test x${enable_multilib} = x ; then
1913 target_configargs="--enable-multilib ${target_configargs}"
1916 # Pass --with-newlib if appropriate. Note that target_configdirs has
1917 # changed from the earlier setting of with_newlib.
1918 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
1919 target_configargs="--with-newlib ${target_configargs}"
1922 # Different target subdirs use different values of certain variables
1923 # (notably CXX). Worse, multilibs use *lots* of different values.
1924 # Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
1925 # it doesn't automatically accept command-line overrides of them.
1926 # This means it's not safe for target subdirs to share a cache file,
1927 # which is disgusting, but there you have it. Hopefully this can be
1928 # fixed in future. It's still worthwhile to use a cache file for each
1929 # directory. I think.
1931 # Pass the appropriate --build, --host, --target and --cache-file arguments.
1932 # We need to pass --target, as newer autoconf's requires consistency
1933 # for target_alias and gcc doesn't manage it consistently.
1934 target_configargs="--cache-file=./config.cache --build=${build_alias} --host=${target_alias} --target=${target_alias} ${target_configargs}"
1937 case " $target_configdirs " in
1939 case " $target_configargs " in
1940 *" --with-newlib "*)
1943 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 $$s/winsup/w32api/include' ;;
1946 # If we're not building GCC, don't discard standard headers.
1947 if test -d ${srcdir}/gcc; then
1948 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
1950 if test "${build}" != "${host}"; then
1951 # On Canadian crosses, CC_FOR_TARGET will have already been set
1952 # by `configure', so we won't have an opportunity to add -Bgcc/
1953 # to it. This is right: we don't want to search that directory
1954 # for binaries, but we want the header files in there, so add
1956 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include'
1958 # Someone might think of using the pre-installed headers on
1959 # Canadian crosses, in case the installed compiler is not fully
1960 # compatible with the compiler being built. In this case, it
1961 # would be better to flag an error than risking having
1962 # incompatible object files being constructed. We can't
1963 # guarantee that an error will be flagged, but let's hope the
1964 # compiler will do it, when presented with incompatible header
1969 case "${target}-${is_cross_compiler}" in
1970 i[[3456789]]86-*-linux*-no)
1971 # Here host == target, so we don't need to build gcc,
1972 # so we don't want to discard standard headers.
1973 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
1976 # If we're building newlib, use its generic headers last, but search
1977 # for any libc-related directories first (so make it the last -B
1979 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
1987 # Allow the user to override the flags for
1988 # our build compiler if desired.
1989 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
1991 # On Canadian crosses, we'll be searching the right directories for
1992 # the previously-installed cross compiler, so don't bother to add
1993 # flags for directories within the install tree of the compiler
1994 # being built; programs in there won't even run.
1995 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
1996 # Search for pre-installed headers if nothing else fits.
1997 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
2000 if test "x${use_gnu_ld}" = x &&
2001 echo " ${configdirs} " | grep " ld " > /dev/null ; then
2002 # Arrange for us to find uninstalled linker scripts.
2003 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld'
2006 if test "x${CC_FOR_TARGET+set}" = xset; then
2008 elif test -d ${srcdir}/gcc; then
2009 CC_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/'
2010 elif test "$host" = "$target"; then
2011 CC_FOR_TARGET='$(CC)'
2013 CC_FOR_TARGET=`echo gcc | sed "${program_transform_name}"`
2015 CC_FOR_TARGET=$CC_FOR_TARGET' $(FLAGS_FOR_TARGET)'
2017 if test "x${GCJ_FOR_TARGET+set}" = xset; then
2019 elif test -d ${srcdir}/gcc; then
2020 GCJ_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/gcj -B$$r/$(HOST_SUBDIR)/gcc/'
2021 elif test "$host" = "$target"; then
2022 GCJ_FOR_TARGET='gcj'
2024 GCJ_FOR_TARGET=`echo gcj | sed "${program_transform_name}"`
2026 GCJ_FOR_TARGET=$GCJ_FOR_TARGET' $(FLAGS_FOR_TARGET)'
2028 if test "x${GFORTRAN_FOR_TARGET+set}" = xset; then
2030 elif test -d ${srcdir}/gcc; then
2031 GFORTRAN_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/'
2032 elif test "$host" = "$target"; then
2033 GFORTRAN_FOR_TARGET='gfortran'
2035 GFORTRAN_FOR_TARGET=`echo gfortran | sed "${program_transform_name}"`
2037 case $GFORTRAN_FOR_TARGET in
2038 *' $(FLAGS_FOR_TARGET)') ;;
2039 *) GFORTRAN_FOR_TARGET=$GFORTRAN_FOR_TARGET' $(FLAGS_FOR_TARGET)' ;;
2042 # Don't use libstdc++-v3's flags to configure/build itself.
2043 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'
2044 raw_libstdcxx_flags='-L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs'
2046 if test "x${CXX_FOR_TARGET+set}" = xset; then
2047 if test "x${RAW_CXX_FOR_TARGET+set}" != xset; then
2048 RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
2050 elif test -d ${srcdir}/gcc; then
2051 # We add -shared-libgcc to CXX_FOR_TARGET whenever we use xgcc instead
2052 # of g++ for linking C++ or Java, because g++ has -shared-libgcc by
2053 # default whereas gcc does not.
2054 # RAW_CXX_FOR_TARGET is for linking C++ or java; CXX_FOR_TARGET is for
2056 CXX_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/g++ -B$$r/$(HOST_SUBDIR)/gcc/ -nostdinc++ '$libstdcxx_flags
2057 RAW_CXX_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc/ -nostdinc++ '$raw_libstdcxx_flags
2058 elif test "$host" = "$target"; then
2059 CXX_FOR_TARGET='$(CXX)'
2060 RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
2062 CXX_FOR_TARGET=`echo c++ | sed "${program_transform_name}"`
2063 RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
2065 CXX_FOR_TARGET=$CXX_FOR_TARGET' $(FLAGS_FOR_TARGET)'
2066 RAW_CXX_FOR_TARGET=$RAW_CXX_FOR_TARGET' $(FLAGS_FOR_TARGET)'
2068 qCXX_FOR_TARGET=`echo "$CXX_FOR_TARGET" | sed 's,[[&%]],\\\&,g'`
2069 qRAW_CXX_FOR_TARGET=`echo "$RAW_CXX_FOR_TARGET" | sed 's,[[&%]],\\\&,g'`
2071 # We want to defer the evaluation of `cmd`s and shell variables in
2072 # CXX_FOR_TARGET when recursing in the top-level Makefile, such as for
2073 # bootstrap. We'll enclose CXX_FOR_TARGET_FOR_RECURSIVE_MAKE in single
2074 # quotes, but we still have to duplicate `$'s so that shell variables
2075 # can be expanded by the nested make as shell variables, not as make
2077 qqCXX_FOR_TARGET=`echo "$qCXX_FOR_TARGET" | sed -e 's,[[$]][[$]],$$$$,g'`
2078 qqRAW_CXX_FOR_TARGET=`echo "$qRAW_CXX_FOR_TARGET" | sed -e 's,[[$]][[$]],$$$$,g'`
2080 # Wrap CC_FOR_TARGET and friends, for certain types of builds.
2081 CC_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${CC_FOR_TARGET}"
2082 GCJ_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${GCJ_FOR_TARGET}"
2083 GFORTRAN_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${GFORTRAN_FOR_TARGET}"
2084 CXX_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${qCXX_FOR_TARGET}"
2085 RAW_CXX_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${qRAW_CXX_FOR_TARGET}"
2086 CXX_FOR_TARGET_FOR_RECURSIVE_MAKE="\$(STAGE_CC_WRAPPER) ${qqCXX_FOR_TARGET}"
2087 RAW_CXX_FOR_TARGET_FOR_RECURSIVE_MAKE="\$(STAGE_CC_WRAPPER) ${qqRAW_CXX_FOR_TARGET}"
2089 # Makefile fragments.
2090 for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
2092 eval fragval=\$$frag
2093 if test $fragval != /dev/null; then
2094 eval $frag=${srcdir}/$fragval
2097 AC_SUBST_FILE(host_makefile_frag)
2098 AC_SUBST_FILE(target_makefile_frag)
2099 AC_SUBST_FILE(alphaieee_frag)
2100 AC_SUBST_FILE(ospace_frag)
2102 # Miscellanea: directories, flags, etc.
2103 AC_SUBST(RPATH_ENVVAR)
2104 AC_SUBST(BUILD_PREFIX)
2105 AC_SUBST(BUILD_PREFIX_1)
2107 AC_SUBST(build_tooldir)
2110 # Build module lists & subconfigure args.
2111 AC_SUBST(build_configargs)
2112 AC_SUBST(build_configdirs)
2114 # Host module lists & subconfigure args.
2115 AC_SUBST(host_configargs)
2116 AC_SUBST(configdirs)
2118 # Target module lists & subconfigure args.
2119 AC_SUBST(target_configargs)
2120 AC_SUBST(target_configdirs)
2123 AC_SUBST(CC_FOR_BUILD)
2124 AC_SUBST(config_shell)
2127 NCN_STRICT_CHECK_TOOL(AR, ar)
2128 NCN_STRICT_CHECK_TOOL(AS, as)
2129 NCN_STRICT_CHECK_TOOL(DLLTOOL, dlltool)
2130 NCN_STRICT_CHECK_TOOL(LD, ld)
2131 NCN_STRICT_CHECK_TOOL(NM, nm)
2132 NCN_STRICT_CHECK_TOOL(RANLIB, ranlib, :)
2133 NCN_STRICT_CHECK_TOOL(WINDRES, windres)
2134 NCN_STRICT_CHECK_TOOL(OBJCOPY, objcopy)
2135 NCN_STRICT_CHECK_TOOL(OBJDUMP, objdump)
2139 AC_SUBST(CFLAGS_FOR_BUILD)
2143 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_AR_FOR_TARGET, ar)
2144 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_AS_FOR_TARGET, as)
2145 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_DLLTOOL_FOR_TARGET, dlltool)
2146 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_LD_FOR_TARGET, ld)
2147 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_NM_FOR_TARGET, nm)
2148 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_RANLIB_FOR_TARGET, ranlib, :)
2149 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_WINDRES_FOR_TARGET, windres)
2151 AC_SUBST(GCC_FOR_TARGET)
2152 AC_SUBST(FLAGS_FOR_TARGET)
2153 AC_SUBST(CC_FOR_TARGET)
2154 AC_SUBST(GCJ_FOR_TARGET)
2155 AC_SUBST(GFORTRAN_FOR_TARGET)
2156 AC_SUBST(CXX_FOR_TARGET)
2157 AC_SUBST(RAW_CXX_FOR_TARGET)
2158 AC_SUBST(CXX_FOR_TARGET_FOR_RECURSIVE_MAKE)
2159 AC_SUBST(RAW_CXX_FOR_TARGET_FOR_RECURSIVE_MAKE)
2161 # Fix up target tools.
2162 if test "x${build}" = "x${host}" ; then
2163 # In this case, the newly built tools can and should be used,
2164 # so we override the results of the autoconf tests.
2165 # This should really only happen when the tools are actually being built,
2166 # but that's a further refinement. The new build scheme, where
2167 # tools are built into a structure paralleling where they're installed,
2168 # should also eliminate all of this cleanly.
2169 AR_FOR_TARGET="\$(USUAL_AR_FOR_TARGET)"
2170 AS_FOR_TARGET="\$(USUAL_AS_FOR_TARGET)"
2171 DLLTOOL_FOR_TARGET="\$(USUAL_DLLTOOL_FOR_TARGET)"
2172 LD_FOR_TARGET="\$(USUAL_LD_FOR_TARGET)"
2173 NM_FOR_TARGET="\$(USUAL_NM_FOR_TARGET)"
2174 RANLIB_FOR_TARGET="\$(USUAL_RANLIB_FOR_TARGET)"
2175 WINDRES_FOR_TARGET="\$(USUAL_WINDRES_FOR_TARGET)"
2177 # Just use the ones we found.
2178 AR_FOR_TARGET="\$(CONFIGURED_AR_FOR_TARGET)"
2179 AS_FOR_TARGET="\$(CONFIGURED_AS_FOR_TARGET)"
2180 DLLTOOL_FOR_TARGET="\$(CONFIGURED_DLLTOOL_FOR_TARGET)"
2181 LD_FOR_TARGET="\$(CONFIGURED_LD_FOR_TARGET)"
2182 NM_FOR_TARGET="\$(CONFIGURED_NM_FOR_TARGET)"
2183 RANLIB_FOR_TARGET="\$(CONFIGURED_RANLIB_FOR_TARGET)"
2184 WINDRES_FOR_TARGET="\$(CONFIGURED_WINDRES_FOR_TARGET)"
2186 AC_SUBST(AR_FOR_TARGET)
2187 AC_SUBST(AS_FOR_TARGET)
2188 AC_SUBST(DLLTOOL_FOR_TARGET)
2189 AC_SUBST(LD_FOR_TARGET)
2190 AC_SUBST(NM_FOR_TARGET)
2191 AC_SUBST(RANLIB_FOR_TARGET)
2192 AC_SUBST(WINDRES_FOR_TARGET)
2194 # Certain tools may need extra flags.
2195 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
2196 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
2197 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
2199 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
2200 AC_ARG_ENABLE(maintainer-mode,
2201 [ --enable-maintainer-mode enable make rules and dependencies not useful
2202 (and sometimes confusing) to the casual installer],
2203 USE_MAINTAINER_MODE=$enableval,
2204 USE_MAINTAINER_MODE=no)
2205 AC_MSG_RESULT($USE_MAINTAINER_MODE)
2206 AC_SUBST(MAINTAINER_MODE_TRUE)
2207 AC_SUBST(MAINTAINER_MODE_FALSE)
2208 if test "$USE_MAINTAINER_MODE" = yes; then
2209 MAINTAINER_MODE_TRUE=
2210 MAINTAINER_MODE_FALSE='#'
2212 MAINTAINER_MODE_TRUE='#'
2213 MAINTAINER_MODE_FALSE=
2215 MAINT=$MAINTAINER_MODE_TRUE
2218 # ---------------------
2219 # GCC bootstrap support
2220 # ---------------------
2222 # Stage specific cflags for build.
2227 yes) stage1_cflags="-g -Wa,-J" ;;
2228 *) stage1_cflags="-g -J" ;;
2231 # The spiffy cpp-precomp chokes on some legitimate constructs in GCC
2232 # sources; use -no-cpp-precomp to get to GNU cpp.
2233 # Apple's GCC has bugs in designated initializer handling, so disable
2235 stage1_cflags="-g -no-cpp-precomp -DHAVE_DESIGNATED_INITIALIZERS=0"
2238 AC_SUBST(stage1_cflags)
2240 # It makes debugging easier if we create as symlinks the stage directories
2241 # gcc for stageN-gcc and stagePREV-gcc for stage(N-1). In case this is not
2242 # possible, however, we can resort to mv.
2243 AC_CACHE_CHECK([if symbolic links between directories work],
2244 [gcc_cv_prog_ln_s_dir],
2245 [if test "${LN_S}" = "ln -s" \
2246 && mkdir confdir.s1 \
2247 && ln -s confdir.s1 confdir.s2 \
2248 && echo timestamp1 > confdir.s1/conftest.1 \
2249 && cmp confdir.s1/conftest.1 confdir.s2/conftest.1 \
2250 && echo timestamp2 > confdir.s2/conftest.2 \
2251 && cmp confdir.s1/conftest.2 confdir.s1/conftest.2 \
2252 && rm -f confdir.s2; then
2253 gcc_cv_prog_ln_s_dir=yes
2255 gcc_cv_prog_ln_s_dir=no
2257 rm -rf confdir.s1 confdir.s2])
2259 case ${gcc_cv_prog_ln_s_dir} in
2261 CREATE_LINK_TO_DIR='ln -s $$1 $$2'
2262 UNDO_LINK_TO_DIR='rm -f $$1' ;;
2264 CREATE_LINK_TO_DIR='mv $$1 $$2'
2265 UNDO_LINK_TO_DIR='mv $$1 $$2' ;;
2267 AC_SUBST(CREATE_LINK_TO_DIR)
2268 AC_SUBST(UNDO_LINK_TO_DIR)
2270 # Enable -Werror in bootstrap stage2 and later.
2271 # Change the default to "no" on release branches.
2272 AC_ARG_ENABLE(werror,
2273 [ --enable-werror enable -Werror in bootstrap stage2 and later], [],
2274 [enable_werror=yes])
2275 case ${enable_werror} in
2276 yes) stage2_werror_flag="--enable-werror-always" ;;
2277 *) stage2_werror_flag="" ;;
2279 AC_SUBST(stage2_werror_flag)