1 # Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998,
2 # 1999, 2000, 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
4 # This file is free software; you can redistribute it and/or modify it
5 # under the terms of the GNU General Public License as published by
6 # the Free Software Foundation; either version 2 of the License, or
7 # (at your option) any later version.
9 # This program is distributed in the hope that it will be useful, but
10 # WITHOUT ANY WARRANTY; without even the implied warranty of
11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 # General Public License for more details.
14 # You should have received a copy of the GNU General Public License
15 # along with this program; if not, write to the Free Software
16 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
18 ##############################################################################
19 ### WARNING: this file contains embedded tabs. Do not run untabify on this file.
21 sinclude(config/acx.m4)
22 sinclude(config/gcc-version.m4)
23 sinclude(config/gxx-include-dir.m4)
25 AC_INIT(move-if-change)
30 # Get 'install' or 'install-sh' and its variants.
35 ### we might need to use some other shell than /bin/sh for running subshells
36 ### If we are on Windows, search for the shell. This will permit people
37 ### to not have /bin/sh, but to be able to see /SOME/PATH/sh configure
38 ### without also having to set CONFIG_SHELL. This code will work when
39 ### using bash, which sets OSTYPE.
42 if test x${CONFIG_SHELL} = x ; then
43 if test ! -f /bin/sh ; then
44 if test x${SHELL} != x && test -f ${SHELL} ; then
48 for prog in sh sh.exe bash bash.exe; do
49 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
51 test -z "$dir" && dir=.
52 if test -f $dir/$prog; then
53 CONFIG_SHELL=$dir/$prog
59 test -n "${CONFIG_SHELL}" && break
67 config_shell=${CONFIG_SHELL-/bin/sh}
70 # if PWD already has a value, it is probably wrong.
71 if test -n "$PWD" ; then PWD=`${PWDCMD-pwd}`; fi
73 # Export original configure arguments for use by sub-configures. These
74 # will be expanded by make, so quote '$'.
76 sed -e 's,\$,$$,g' <<EOF_SED > conftestsed.out
79 TOPLEVEL_CONFIGURE_ARGUMENTS=`cat conftestsed.out`
81 AC_SUBST(TOPLEVEL_CONFIGURE_ARGUMENTS)
83 moveifchange=${srcdir}/move-if-change
85 srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}`
87 # We pass INSTALL explicitly to sub-makes. Make sure that it is not
89 if test "$INSTALL" = "${srcdir}/install-sh -c"; then
90 INSTALL="${srcpwd}/install-sh -c"
93 # Set srcdir to "." if that's what it is.
94 # This is important for multilib support.
96 if test "${pwd}" = "${srcpwd}" ; then
104 # Define the trigger file to make sure configure will re-run whenever
105 # the gcc version number changes.
106 TL_AC_GCC_VERSION([$topsrcdir])
107 if test -f $gcc_version_trigger ; then
108 case "$ac_configure_args" in
109 *--with-gcc-version-trigger=$gcc_version_trigger* )
112 # Add to all subconfigure arguments: build, host, and target.
113 ac_configure_args="$ac_configure_args --with-gcc-version-trigger=$gcc_version_trigger"
120 ### To add a new directory to the tree, first choose whether it is a target
121 ### or a host dependent tool. Then put it into the appropriate list
122 ### (library or tools, host or target), doing a dependency sort.
124 # Subdirs will be configured in the order listed in build_configdirs,
125 # configdirs, or target_configdirs; see the serialization section below.
127 # Dependency sorting is only needed when *configuration* must be done in
128 # a particular order. In all cases a dependency should be specified in
129 # the Makefile, whether or not it's implicitly specified here.
131 # Double entries in build_configdirs, configdirs, or target_configdirs may
132 # cause circular dependencies and break everything horribly.
134 # these library is used by various programs built for the build
137 build_libs="build-libiberty"
139 # these tools are built for the build environment
140 build_tools="build-texinfo build-byacc build-flex build-bison build-m4 build-fixincludes"
142 # these libraries are used by various programs built for the host environment
144 host_libs="intl mmalloc libiberty opcodes bfd readline tcl tk itcl libgui zlib libcpp"
146 # these tools are built for the host environment
147 # Note, the powerpc-eabi build depends on sim occurring before gdb in order to
148 # know that we are building the simulator.
149 # binutils, gas and ld appear in that order because it makes sense to run
150 # "make check" in that particular order.
151 host_tools="texinfo byacc flex bison binutils gas ld fixincludes gcc sid sim gdb make patch prms send-pr gprof etc expect dejagnu ash bash bzip2 m4 autoconf automake libtool diff rcs fileutils shellutils time textutils wdiff find uudecode hello tar gzip indent recode release sed utils guile perl gawk findutils gettext zip fastjar"
153 # libgcj represents the runtime libraries only used by gcj.
154 libgcj="target-libffi \
160 # these libraries are built for the target environment, and are built after
161 # the host libraries and the host tools (which may be a cross compiler)
163 target_libraries="target-libiberty \
166 target-libstdc++-v3 \
173 # these tools are built using the target libraries, and are intended to
174 # run only in the target environment
176 # note: any program that *uses* libraries that are in the "target_libraries"
177 # list belongs in this list. those programs are also very likely
178 # candidates for the "native_only" list which follows
180 target_tools="target-examples target-groff target-gperf target-rda"
182 ################################################################################
184 ## All tools belong in one of the four categories, and are assigned above
185 ## We assign ${configdirs} this way to remove all embedded newlines. This
186 ## is important because configure will choke if they ever get through.
187 ## ${configdirs} is directories we build using the host tools.
188 ## ${target_configdirs} is directories we build using the target tools.
189 configdirs=`echo ${host_libs} ${host_tools}`
190 target_configdirs=`echo ${target_libraries} ${target_tools}`
191 build_configdirs=`echo ${build_libs} ${build_tools}`
193 ################################################################################
195 srcname="gnu development package"
197 # This gets set non-empty for some net releases of packages.
200 # Define is_cross_compiler to save on calls to 'test'.
202 if test x"${host}" = x"${target}" ; then
205 is_cross_compiler=yes
208 # Find the build and target subdir names.
211 # Skipdirs are removed silently.
213 # Noconfigdirs are removed loudly.
217 # Make sure we don't let GNU ld be added if we didn't want it.
218 if test x$with_gnu_ld = xno ; then
220 noconfigdirs="$noconfigdirs ld"
224 # Make sure we don't let GNU as be added if we didn't want it.
225 if test x$with_gnu_as = xno ; then
227 noconfigdirs="$noconfigdirs gas"
230 # some tools are so dependent upon X11 that if we're not building with X,
231 # it's not even worth trying to configure, much less build, that tool.
234 yes | "") ;; # the default value for this tree is that X11 is available
236 skipdirs="${skipdirs} tk itcl libgui"
237 # We won't be able to build gdbtk without X.
240 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
243 # Some tools are only suitable for building in a "native" situation.
244 # Remove these if host!=target.
245 native_only="autoconf automake libtool fileutils find gawk gettext gzip hello indent m4 rcs recode sed shellutils tar textutils uudecode wdiff gprof target-groff guile perl time ash bash bzip2 prms gnuserv target-gperf"
247 # Similarly, some are only suitable for cross toolchains.
248 # Remove these if host=target.
249 cross_only="target-libgloss target-newlib target-opcodes"
251 case $is_cross_compiler in
252 no) skipdirs="${skipdirs} ${cross_only}" ;;
253 yes) skipdirs="${skipdirs} ${native_only}" ;;
256 # If both --with-headers and --with-libs are specified, default to
258 if test x"${with_headers}" != x && test x"${with_headers}" != xno \
259 && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
260 if test x"${with_newlib}" = x ; then
265 # Recognize --with-newlib/--without-newlib.
266 case ${with_newlib} in
267 no) skipdirs="${skipdirs} target-newlib" ;;
268 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
271 # Configure extra directories which are host specific
275 configdirs="$configdirs libtermcap" ;;
278 # Remove more programs from consideration, based on the host or
279 # target this usually means that a port of the program doesn't
284 noconfigdirs="$noconfigdirs byacc"
286 i[[3456789]]86-*-vsta)
287 noconfigdirs="$noconfigdirs tcl expect dejagnu make texinfo bison patch flex byacc send-pr gprof uudecode dejagnu diff guile perl itcl gnuserv gettext"
289 i[[3456789]]86-*-go32* | i[[3456789]]86-*-msdosdjgpp*)
290 noconfigdirs="$noconfigdirs tcl tk expect dejagnu send-pr uudecode guile itcl gnuserv libffi"
292 i[[3456789]]86-*-mingw32*)
293 # noconfigdirs="tcl tk expect dejagnu make texinfo bison patch flex byacc send-pr uudecode dejagnu diff guile perl itcl gnuserv"
294 noconfigdirs="$noconfigdirs expect dejagnu autoconf automake send-pr rcs guile perl texinfo libtool"
296 i[[3456789]]86-*-beos*)
297 noconfigdirs="$noconfigdirs tk itcl libgui gdb"
300 noconfigdirs="$noconfigdirs autoconf automake send-pr rcs guile perl"
303 noconfigdirs="$noconfigdirs rcs"
306 noconfigdirs="$noconfigdirs patch diff make tk tcl expect dejagnu autoconf automake texinfo bison send-pr gprof rcs guile perl itcl gnuserv"
309 noconfigdirs="$noconfigdirs tk itcl libgui gdb dejagnu readline"
312 noconfigdirs="$noconfigdirs tk itcl libgui"
317 AC_ARG_ENABLE(libada,
318 [ --enable-libada Builds libada directory],
319 ENABLE_LIBADA=$enableval,
321 if test "${ENABLE_LIBADA}" != "yes" ; then
322 noconfigdirs="$noconfigdirs target-libada"
325 # Save it here so that, even in case of --enable-libgcj, if the Java
326 # front-end isn't enabled, we still get libgcj disabled.
328 case $enable_libgcj in
330 # If we reset it here, it won't get added to noconfigdirs in the
331 # target-specific build rules, so it will be forcibly enabled
332 # (unless the Java language itself isn't enabled).
336 # Make sure we get it printed in the list of not supported target libs.
337 noconfigdirs="$noconfigdirs ${libgcj}"
342 # Allow --disable-libmudflap to exclude target-libmudflap
343 case $enable_libmudflap in
347 noconfigdirs="$noconfigdirs target-libmudflap"
351 *-*-linux*-gnu | *-*-gnu* | *-*-k*bsd*-gnu)
352 # Enable libmudflap by default in GNU and friends.
355 # Enable libmudflap by default in FreeBSD.
358 # Disable it by default everywhere else.
359 noconfigdirs="$noconfigdirs target-libmudflap"
367 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
370 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes gdb gprof"
373 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes gdb gprof"
374 noconfigdirs="$noconfigdirs ${libgcj}"
376 *-*-freebsd[[12]] | *-*-freebsd[[12]].* | *-*-freebsd*aout*)
377 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
380 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
381 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
382 && test -f /usr/local/include/gmp.h; then
386 # Skip some stuff that's unsupported on some FreeBSD configurations.
391 noconfigdirs="$noconfigdirs ${libgcj}"
396 # Remove unsupported stuff on all kaOS configurations.
397 skipdirs="target-libiberty ${libgcj} target-libstdc++-v3 target-librx"
398 skipdirs="$skipdirs target-libobjc target-examples target-groff target-gperf"
399 skipdirs="$skipdirs zlib fastjar target-libjava target-boehm-gc target-zlib"
400 noconfigdirs="$noconfigdirs target-libgloss"
403 # Skip some stuff on all NetBSD configurations.
404 noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss"
406 # Skip some stuff that's unsupported on some NetBSD configurations.
408 i*86-*-netbsdelf*) ;;
409 arm*-*-netbsdelf*) ;;
411 noconfigdirs="$noconfigdirs ${libgcj}"
416 noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss ${libgcj} target-libmudflap"
419 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
422 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-rda ${libgcj}"
425 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libiberty ${libgcj}"
428 # ld works, but does not support shared libraries.
429 # newlib is not 64 bit ready. I'm not sure about fileutils.
430 # gas doesn't generate exception information.
431 noconfigdirs="$noconfigdirs gas ld fileutils target-newlib target-libgloss"
434 noconfigdirs="$noconfigdirs gdb ld target-newlib target-libgloss ${libgcj}"
437 # newlib is not 64 bit ready
438 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
441 # newlib is not 64 bit ready
442 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
445 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
448 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
450 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
451 noconfigdirs="$noconfigdirs ${libgcj}"
452 noconfigdirs="$noconfigdirs target-examples"
453 noconfigdirs="$noconfigdirs target-libiberty texinfo send-pr"
454 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
455 noconfigdirs="$noconfigdirs expect dejagnu"
456 # the C++ libraries don't build on top of CE's C libraries
457 noconfigdirs="$noconfigdirs target-libstdc++-v3"
458 noconfigdirs="$noconfigdirs target-newlib"
460 *-*-cygwin*) ;; # keep gdb and readline
461 *) noconfigdirs="$noconfigdirs gdb readline"
466 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
470 arm-*-coff | strongarm-*-coff | xscale-*-coff)
471 noconfigdirs="$noconfigdirs ${libgcj}"
473 arm-*-elf* | strongarm-*-elf* | xscale-*-elf* | arm*-*-eabi* )
474 noconfigdirs="$noconfigdirs target-libffi target-qthreads"
477 noconfigdirs="$noconfigdirs ${libgcj} target-libiberty"
480 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
483 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
486 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
489 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
492 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
495 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
498 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
500 c54x*-*-* | tic54x-*-*)
501 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj} gcc gdb newlib"
503 cris-*-* | crisv32-*-*)
506 noconfigdirs="$noconfigdirs ${libgcj}";;
508 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss";;
512 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-mudflap ${libgcj}"
515 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
518 noconfigdirs="$noconfigdirs ${libgcj} gdb"
521 noconfigdirs="$noconfigdirs ${libgcj} gdb"
524 noconfigdirs="$noconfigdirs ${libgcj}"
527 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
530 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
532 hppa1.1-*-osf* | hppa1.1-*-bsd* )
534 hppa*64*-*-linux* | parisc*64*-*-linux*)
535 # In this case, it's because the hppa64-linux target is for
536 # the kernel only at this point and has no libc, and thus no
537 # headers, crt*.o, etc., all of which are needed by these.
538 noconfigdirs="$noconfigdirs target-zlib"
540 parisc*-*-linux* | hppa*-*-linux*)
546 noconfigdirs="$noconfigdirs ${libgcj}"
549 # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
550 # build on HP-UX 10.20.
551 noconfigdirs="$noconfigdirs ld shellutils ${libgcj}"
554 noconfigdirs="$noconfigdirs ${libgcj} gdb"
557 # No gdb support yet.
558 noconfigdirs="$noconfigdirs readline mmalloc libgui itcl gdb"
561 # No gdb or ld support yet.
562 noconfigdirs="$noconfigdirs ${libgcj} readline mmalloc libgui itcl gdb ld"
566 i[[3456789]]86-*-coff | i[[3456789]]86-*-elf)
567 noconfigdirs="$noconfigdirs ${libgcj}"
569 i[[3456789]]86-*-linux*)
570 # The GCC port for glibc1 has no MD_FALLBACK_FRAME_STATE_FOR, so let's
571 # not build java stuff by default.
574 noconfigdirs="$noconfigdirs ${libgcj}";;
577 # This section makes it possible to build newlib natively on linux.
578 # If we are using a cross compiler then don't configure newlib.
579 if test x${is_cross_compiler} != xno ; then
580 noconfigdirs="$noconfigdirs target-newlib"
582 noconfigdirs="$noconfigdirs target-libgloss"
583 # If we are not using a cross compiler, do configure newlib.
584 # Note however, that newlib will only be configured in this situation
585 # if the --with-newlib option has been given, because otherwise
586 # 'target-newlib' will appear in skipdirs.
588 i[[3456789]]86-*-mingw32*)
589 target_configdirs="$target_configdirs target-mingw"
590 noconfigdirs="$noconfigdirs expect target-libgloss ${libgcj}"
592 # Can't build gdb for mingw32 if not native.
594 i[[3456789]]86-*-mingw32) ;; # keep gdb tcl tk expect etc.
595 *) noconfigdirs="$noconfigdirs gdb tcl tk expect itcl gnuserv"
600 target_configdirs="$target_configdirs target-libtermcap target-winsup"
601 noconfigdirs="$noconfigdirs target-gperf target-libgloss ${libgcj}"
602 # always build newlib if winsup directory is present.
603 if test -d "$srcdir/winsup"; then
604 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
605 elif test -d "$srcdir/newlib"; then
606 echo "Warning: winsup is missing so newlib can't be built."
609 # Can't build gdb for Cygwin if not native.
611 *-*-cygwin*) ;; # keep gdb tcl tk expect etc.
612 *) noconfigdirs="$noconfigdirs gdb tcl tk expect itcl libgui gnuserv"
616 i[[3456789]]86-moss-msdos | i[[3456789]]86-*-moss* | \
617 i[[3456789]]86-*-uwin* | i[[3456789]]86-*-interix* )
620 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
622 i[[3456789]]86-*-sco3.2v5*)
623 # The linker does not yet know about weak symbols in COFF,
624 # and is not configured to handle mixed ELF and COFF.
625 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
627 i[[3456789]]86-*-sco*)
628 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
630 i[[3456789]]86-*-solaris2*)
631 noconfigdirs="$noconfigdirs target-libgloss"
633 i[[3456789]]86-*-sysv4*)
634 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
636 i[[3456789]]86-*-beos*)
637 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
640 noconfigdirs="$noconfigdirs ${libgcj}"
642 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
643 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
646 noconfigdirs="$noconfigdirs ${libgcj}"
649 noconfigdirs="$noconfigdirs ${libgcj}"
652 # The EPOC C++ environment does not support exceptions or rtti,
653 # and so building libstdc++-v3 tends not to always work.
654 noconfigdirs="$noconfigdirs target-libstdc++-v3"
657 noconfigdirs="$noconfigdirs ${libgcj} gdb libgloss target-libgfortran"
660 noconfigdirs="$noconfigdirs ${libgcj}"
663 noconfigdirs="$noconfigdirs ${libgcj}"
666 # copied from rs6000-*-* entry
667 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
669 powerpc*-*-winnt* | powerpc*-*-pe* | ppc*-*-pe)
670 target_configdirs="$target_configdirs target-winsup"
671 noconfigdirs="$noconfigdirs gdb tcl tk make expect target-libgloss itcl gnuserv ${libgcj}"
672 # always build newlib.
673 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
675 # This is temporary until we can link against shared libraries
676 powerpcle-*-solaris*)
677 noconfigdirs="$noconfigdirs gdb sim make tcl tk expect itcl gnuserv ${libgcj}"
680 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
683 noconfigdirs="$noconfigdirs ${libgcj}"
685 powerpc-*-eabi* | powerpcle-*-eabi* | powerpc-*-rtems* )
688 noconfigdirs="$noconfigdirs target-newlib gprof ${libgcj}"
691 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
694 noconfigdirs="$noconfigdirs gprof ${libgcj}"
697 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss ${libgcj}"
700 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
703 # Linking libjava exceeds command-line length limits on at least
704 # IRIX 6.2, but not on IRIX 6.5.
705 # Also, boehm-gc won't build on IRIX 6.5, according to Jeffrey Oldham
706 # <oldham@codesourcery.com>
707 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
710 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
713 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
716 noconfigdirs="$noconfigdirs gprof ${libgcj}" # same as generic mips
719 noconfigdirs="$noconfigdirs target-newlib ${libgcj}"
722 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
725 noconfigdirs="$noconfigdirs gprof ${libgcj}"
728 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes target-libgloss ${libgcj}"
732 i[[3456789]]86-*-vsta) ;; # don't add gprof back in
733 i[[3456789]]86-*-go32*) ;; # don't add gprof back in
734 i[[3456789]]86-*-msdosdjgpp*) ;; # don't add gprof back in
735 *) skipdirs=`echo " ${skipdirs} " | sed -e 's/ gprof / /'` ;;
737 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
740 noconfigdirs="$noconfigdirs ${libgcj}"
743 noconfigdirs="$noconfigdirs ${libgcj}"
746 noconfigdirs="$noconfigdirs ${libgcj}"
749 noconfigdirs="$noconfigdirs ${libgcj}"
750 if test x${is_cross_compiler} != xno ; then
751 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
756 sparc-*-solaris2.[[0-6]] | sparc-*-solaris2.[[0-6]].*)
757 noconfigdirs="$noconfigdirs ${libgcj}"
759 sparc-*-solaris* | sparc64-*-solaris* | sparcv9-*-solaris*)
762 noconfigdirs="$noconfigdirs bfd binutils gas gcc gdb ld target-libstdc++-v3 opcodes target-libgloss ${libgcj}"
765 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
768 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
771 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
774 noconfigdirs="$noconfigdirs bfd binutils gdb ld target-newlib opcodes target-libgloss ${libgcj}"
777 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
780 noconfigdirs="$noconfigdirs ${libgcj}"
783 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
785 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu)
786 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
789 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
792 noconfigdirs="$noconfigdirs ${libgcj}"
796 # If we aren't building newlib, then don't build libgloss, since libgloss
797 # depends upon some newlib header files.
798 case "${noconfigdirs}" in
799 *target-libgloss*) ;;
800 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
803 # Work in distributions that contain no compiler tools, like Autoconf.
805 host_makefile_frag=/dev/null
806 if test -d ${srcdir}/config ; then
809 # Avoid "too much defining" errors from HPUX compiler.
810 tentative_cc="cc -Wp,-H256000"
811 # If "ar" in $PATH is GNU ar, the symbol table may need rebuilding.
812 # If it's HP/UX ar, this should be harmless.
816 tentative_cc="cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DUSG"
819 #None of the Apollo compilers can compile gas or binutils. The preprocessor
820 # chokes on bfd, the compiler won't let you assign integers to enums, and
821 # other problems. Defining CC to gcc is a questionable way to say "don't use
822 # the apollo compiler" (the preferred version of GCC could be called cc,
823 # or whatever), but I'm not sure leaving CC as cc is any better...
824 #CC=cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DNO_STDARG
825 # Used to have BISON=yacc.
829 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
832 # Under CX/UX, we want to tell the compiler to use ANSI mode.
833 tentative_cc="cc -Xa"
834 host_makefile_frag="config/mh-cxux"
839 tentative_cc="cc -Wf,-XNg1000"
840 host_makefile_frag="config/mh-decstation"
843 # The C compiler on NEC MIPS SVR4 needs bigger tables.
844 tentative_cc="cc -ZXNd=5000 -ZXNg=1000"
845 host_makefile_frag="config/mh-necv4"
848 # Tell compiler to use K&R C. We can't compile under the SGI Ansi
849 # environment. Also bump switch table size so that cp-parse will
850 # compile. Bump string length limit so linker builds.
851 tentative_cc="cc -cckr -Wf,-XNg1500 -Wf,-XNk1000 -Wf,-XNh2000 -Wf,-XNl8192"
854 host_makefile_frag="config/mh-sysv4"
857 # This is for a MIPS running RISC/os 4.52C.
859 # This is needed for GDB, but needs to be in the top-level make because
860 # if a library is compiled with the bsd headers and gets linked with the
861 # sysv system libraries all hell can break loose (e.g. a jmp_buf might be
863 # ptrace(2) apparently has problems in the BSD environment. No workaround is
864 # known except to select the sysv environment. Could we use /proc instead?
865 # These "sysv environments" and "bsd environments" often end up being a pain.
867 # This is not part of CFLAGS because perhaps not all C compilers have this
869 tentative_cc="cc -systype sysv"
874 i[[3456789]]86-*-sysv5*)
875 host_makefile_frag="config/mh-sysv5"
877 i[[3456789]]86-*-dgux*)
878 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
879 host_makefile_frag="config/mh-dgux386"
881 i[[3456789]]86-ncr-sysv4.3*)
882 # The MetaWare compiler will generate a copyright message unless you
883 # turn it off by adding the -Hnocopyr flag.
884 tentative_cc="cc -Hnocopyr"
886 i[[3456789]]86-ncr-sysv4*)
887 # for an NCR 3000 (i486/SVR4) system.
888 # The NCR 3000 ships with a MetaWare compiler installed as /bin/cc.
889 # This compiler not only emits obnoxious copyright messages every time
890 # you run it, but it chokes and dies on a whole bunch of GNU source
891 # files. Default to using the AT&T compiler installed in /usr/ccs/ATT/cc.
892 tentative_cc="/usr/ccs/ATT/cc"
893 host_makefile_frag="config/mh-ncr3000"
895 i[[3456789]]86-*-sco3.2v5*)
897 i[[3456789]]86-*-sco*)
898 # The native C compiler botches some simple uses of const. Unfortunately,
899 # it doesn't defined anything like "__sco__" for us to test for in ansidecl.h.
900 tentative_cc="cc -Dconst="
901 host_makefile_frag="config/mh-sco"
903 i[[3456789]]86-*-udk*)
904 host_makefile_frag="config/mh-sysv5"
906 i[[3456789]]86-*-solaris2*)
907 host_makefile_frag="config/mh-sysv4"
909 i[[3456789]]86-*-msdosdjgpp*)
910 host_makefile_frag="config/mh-djgpp"
913 host_makefile_frag="config/mh-cygwin"
916 host_makefile_frag="config/mh-mingw32"
919 host_makefile_frag="config/mh-interix"
922 # The old BSD pcc isn't up to compiling parts of gdb so use gcc
926 host_makefile_frag="config/mh-solaris"
929 # Sun's C compiler needs the -J flag to be able to compile cp-parse.c
930 # without overflowing the jump tables (-J says to use a 32 bit table)
934 tentative_cc="cc -Wp,-H256000"
937 tentative_cc="cc -Wp,-H256000"
940 # /bin/cc is less than useful for our purposes. Always use GCC
941 tentative_cc="/usr/cygnus/progressive/bin/gcc"
942 host_makefile_frag="config/mh-lynxrs6k"
945 host_makefile_frag="config/mh-ppc-darwin"
948 # /bin/cc is less than useful for our purposes. Always use GCC
949 tentative_cc="/bin/gcc"
952 host_makefile_frag="config/mh-sysv4"
954 # This is placed last to prevent interfering with the cases above.
956 # Build the stage2 and stage3 compilers with -fomit-frame-pointer.
957 host_makefile_frag="config/mh-x86omitfp"
962 # If we aren't going to be using gcc, see if we can extract a definition
963 # of CC from the fragment.
964 # Actually, use the 'pre-extracted' version above.
965 if test -z "${CC}" && test "${build}" = "${host}" ; then
966 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
969 test -z "$dir" && dir=.
970 if test -f $dir/gcc; then
976 if test -z "${found}" && test -n "${tentative_cc}" ; then
981 if test "${build}" != "${host}" ; then
982 # If we are doing a Canadian Cross, in which the host and build systems
983 # are not the same, we set reasonable default values for the tools.
985 CC=${CC-${host_alias}-gcc}
986 CFLAGS=${CFLAGS-"-g -O2"}
987 CXX=${CXX-${host_alias}-c++}
988 CXXFLAGS=${CXXFLAGS-"-g -O2"}
989 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
990 CC_FOR_TARGET=${CC_FOR_TARGET-${target_alias}-gcc}
991 CXX_FOR_TARGET=${CXX_FOR_TARGET-${target_alias}-c++}
992 GCJ_FOR_TARGET=${GCJ_FOR_TARGET-${target_alias}-gcj}
993 GCC_FOR_TARGET=${GCC_FOR_TARGET-${CC_FOR_TARGET-${target_alias}-gcc}}
994 BUILD_PREFIX=${build_alias}-
995 BUILD_PREFIX_1=${build_alias}-
998 # Set reasonable default values for some tools even if not Canadian.
999 # Of course, these are different reasonable default values, originally
1000 # specified directly in the Makefile.
1001 # We don't export, so that autoconf can do its job.
1002 # Note that all these settings are above the fragment inclusion point
1003 # in Makefile.in, so can still be overridden by fragments.
1004 # This is all going to change when we autoconfiscate...
1006 CC_FOR_BUILD="\$(CC)"
1007 GCC_FOR_TARGET="\$(USUAL_GCC_FOR_TARGET)"
1009 BUILD_PREFIX_1=loser-
1013 # We must set the default linker to the linker used by gcc for the correct
1014 # operation of libtool. If LD is not defined and we are using gcc, try to
1015 # set the LD default to the ld used by gcc.
1016 if test -z "$LD"; then
1017 if test "$GCC" = yes; then
1020 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1022 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1024 case $gcc_prog_ld in
1025 # Accept absolute paths.
1026 [[\\/]* | [A-Za-z]:[\\/]*)]
1027 LD="$gcc_prog_ld" ;;
1033 CFLAGS=${CFLAGS-"-g"}
1034 CXXFLAGS=${CXXFLAGS-"-g -O2"}
1038 ACX_PROG_CMP_IGNORE_INITIAL
1040 # Check for GMP and MPFR
1044 # Specify a location for mpfr
1045 # check for this first so it ends up on the link line before gmp.
1046 AC_ARG_WITH(mpfr-dir, [ --with-mpfr-dir=PATH Specify source directory for MPFR library])
1048 if test "x$with_mpfr_dir" != x; then
1049 gmpinc="-I$with_mpfr_dir/mpfr"
1050 gmplibs="$with_mpfr_dir/libmpfr.a"
1055 AC_ARG_WITH(mpfr, [ --with-mpfr=PATH Specify directory for installed MPFR library])
1057 if test "x$with_mpfr" != x; then
1058 gmplibs="-L$with_mpfr/lib $gmplibs"
1059 gmpinc="-I$with_mpfr/include"
1062 # Specify a location for gmp
1063 AC_ARG_WITH(gmp-dir, [ --with-gmp-dir=PATH Specify source directory for GMP library])
1065 if test "x$with_gmp_dir" != x; then
1066 gmpinc="$gmpinc -I$with_gmp_dir"
1067 if test -f "$with_gmp_dir/.libs/libgmp.a"; then
1068 gmplibs="$gmplibs $with_gmp_dir/.libs/libgmp.a"
1069 elif test -f "$with_gmp_dir/_libs/libgmp.a"; then
1070 gmplibs="$gmplibs $with_gmp_dir/_libs/libgmp.a"
1072 # One of the later tests will catch the error if neither library is present.
1074 gmplibs="$gmplibs -lgmp"
1077 AC_ARG_WITH(gmp, [ --with-gmp=PATH Specify directory for installed GMP library])
1079 if test "x$with_gmp" != x; then
1080 gmplibs="-L$with_gmp/lib $gmplibs"
1081 gmpinc="-I$with_gmp/include $gmpinc"
1084 saved_CFLAGS="$CFLAGS"
1085 CFLAGS="$CFLAGS $gmpinc"
1086 # Check GMP actually works
1087 AC_MSG_CHECKING([for correct version of gmp.h])
1088 AC_TRY_COMPILE([#include "gmp.h"],[
1089 #if __GNU_MP_VERSION < 3
1092 ], [AC_MSG_RESULT([yes])],
1093 [AC_MSG_RESULT([no]); have_gmp=no])
1095 if test x"$have_gmp" = xyes; then
1096 AC_MSG_CHECKING([for MPFR])
1099 LIBS="$LIBS $gmplibs"
1100 AC_TRY_LINK([#include <gmp.h>
1101 #include <mpfr.h>], [mpfr_t n; mpfr_init(n);],
1102 [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1104 CFLAGS="$saved_CFLAGS"
1107 # Flags needed for both GMP and/or MPFR
1111 # By default, C is the only stage 1 language.
1113 AC_SUBST(stage1_languages)
1115 # Figure out what language subdirectories are present.
1116 # Look if the user specified --enable-languages="..."; if not, use
1117 # the environment variable $LANGUAGES if defined. $LANGUAGES might
1119 # NB: embedded tabs in this IF block -- do not untabify
1120 if test -d ${srcdir}/gcc; then
1121 if test x"${enable_languages+set}" != xset; then
1122 if test x"${LANGUAGES+set}" = xset; then
1123 enable_languages="${LANGUAGES}"
1124 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1126 enable_languages=all
1129 if test x"${enable_languages}" = x ||
1130 test x"${enable_languages}" = xyes;
1132 echo configure.in: --enable-languages needs at least one language argument 1>&2
1136 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1138 # First scan to see if an enabled language requires some other language.
1139 # We assume that a given config-lang.in will list all the language
1140 # front ends it requires, even if some are required indirectly.
1141 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1142 case ${lang_frag} in
1144 # The odd quoting in the next line works around
1145 # an apparent bug in bash 1.12 on linux.
1146 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1148 # From the config-lang.in, get $language, $lang_requires
1152 for other in ${lang_requires} ; do
1153 case ,${enable_languages}, in
1157 echo " \`$other' language required by \`$language'; enabling" 1>&2
1158 enable_languages="${enable_languages},${other}"
1166 new_enable_languages=c
1167 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
1168 potential_languages=c
1170 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1171 case ${lang_frag} in
1173 # The odd quoting in the next line works around
1174 # an apparent bug in bash 1.12 on linux.
1175 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1177 # From the config-lang.in, get $language, $target_libs,
1178 # $lang_dirs, $boot_language, and $build_by_default
1186 potential_languages="${potential_languages},${language}"
1187 # This is quite sensitive to the ordering of the case statement arms.
1188 case ,${enable_languages},:${language}:${have_gnat}:${build_by_default} in
1190 echo "${lang_frag} doesn't set \$language." 1>&2
1194 # Ada was requested with no preexisting GNAT. Disable unconditionally.
1197 *,${language},*:*:*:*)
1198 # Language was explicitly selected; include it.
1202 # 'all' was selected, but this is not a default language
1203 # so do not include it.
1207 # 'all' was selected and this is a default language; include it.
1215 # Disable languages that need GMP if it isn't available.
1216 case ,${enable_languages},:${have_gmp}:${need_gmp} in
1217 *,${language},*:no:yes)
1218 # Specifically requested language; tell them.
1219 AC_MSG_ERROR([GMP with MPFR support is required to build $language])
1227 case $add_this_lang in
1229 # Remove language-dependent dirs.
1230 eval noconfigdirs='"$noconfigdirs "'\"$target_libs $lang_dirs\"
1233 new_enable_languages="$new_enable_languages,$language"
1234 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
1235 case ${boot_language} in
1237 # Add to (comma-separated) list of stage 1 languages.
1238 stage1_languages="${stage1_languages},${language}"
1247 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
1248 if test "x$missing_languages" != x; then
1250 The following requested languages were not found: ${missing_languages}
1251 The available languages are: ${potential_languages}])
1254 if test "x$new_enable_languages" != "x$enable_languages"; then
1255 echo The following languages will be built: ${new_enable_languages}
1257 enable_languages="$new_enable_languages"
1258 ac_configure_args=`echo " $ac_configure_args" | sed -e 's/ --enable-languages=[[^ ]]*//' -e 's/$/ --enable-languages='"$enable_languages"/ `
1261 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
1262 # $build_configdirs and $target_configdirs.
1263 # If we have the source for $noconfigdirs entries, add them to $notsupp.
1266 for dir in . $skipdirs $noconfigdirs ; do
1267 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
1268 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1269 configdirs=`echo " ${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"
1278 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1279 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"`
1280 if test -r $srcdir/$dirname/configure ; then
1281 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1284 notsupp="$notsupp $dir"
1288 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1289 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
1290 if test -r $srcdir/$dirname/configure ; then
1291 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1294 notsupp="$notsupp $dir"
1300 # Sometimes the tools are distributed with libiberty but with no other
1301 # libraries. In that case, we don't want to build target-libiberty.
1302 if test -n "${target_configdirs}" ; then
1304 for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do
1305 if test "$i" != "libiberty" ; then
1306 if test -r $srcdir/$i/configure ; then
1312 if test -z "${others}" ; then
1317 # Quietly strip out all directories which aren't configurable in this tree.
1318 # This relies on all configurable subdirectories being autoconfiscated, which
1320 build_configdirs_all="$build_configdirs"
1322 for i in ${build_configdirs_all} ; do
1323 j=`echo $i | sed -e s/build-//g`
1324 if test -f ${srcdir}/$j/configure ; then
1325 build_configdirs="${build_configdirs} $i"
1329 configdirs_all="$configdirs"
1331 for i in ${configdirs_all} ; do
1332 if test -f ${srcdir}/$i/configure ; then
1333 configdirs="${configdirs} $i"
1337 target_configdirs_all="$target_configdirs"
1339 for i in ${target_configdirs_all} ; do
1340 j=`echo $i | sed -e s/target-//g`
1341 if test -f ${srcdir}/$j/configure ; then
1342 target_configdirs="${target_configdirs} $i"
1346 # Produce a warning message for the subdirs we can't configure.
1347 # This isn't especially interesting in the Cygnus tree, but in the individual
1348 # FSF releases, it's important to let people know when their machine isn't
1349 # supported by the one or two programs in a package.
1351 if test -n "${notsupp}" && test -z "${norecursion}" ; then
1352 # If $appdirs is non-empty, at least one of those directories must still
1353 # be configured, or we error out. (E.g., if the gas release supports a
1354 # specified target in some subdirs but not the gas subdir, we shouldn't
1355 # pretend that all is well.)
1356 if test -n "$appdirs" ; then
1357 for dir in $appdirs ; do
1358 if test -r $dir/Makefile.in ; then
1359 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1363 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
1369 if test -n "$appdirs" ; then
1370 echo "*** This configuration is not supported by this package." 1>&2
1374 # Okay, some application will build, or we don't care to check. Still
1375 # notify of subdirs not getting built.
1376 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
1377 echo " ${notsupp}" 1>&2
1378 echo " (Any other directories should still work fine.)" 1>&2
1388 # Handle --with-headers=XXX. If the value is not "yes", the contents of
1389 # the named directory are copied to $(tooldir)/sys-include.
1390 if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
1391 if test x${is_cross_compiler} = xno ; then
1392 echo 1>&2 '***' --with-headers is only supported when cross compiling
1395 if test x"${with_headers}" != xyes ; then
1396 case "${exec_prefixoption}" in
1398 *) x=${exec_prefix} ;;
1400 copy_dirs="${copy_dirs} ${with_headers} $x/${target_alias}/sys-include"
1404 # Handle --with-libs=XXX. If the value is not "yes", the contents of
1405 # the name directories are copied to $(tooldir)/lib. Multiple directories
1407 if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
1408 if test x${is_cross_compiler} = xno ; then
1409 echo 1>&2 '***' --with-libs is only supported when cross compiling
1412 if test x"${with_libs}" != xyes ; then
1413 # Copy the libraries in reverse order, so that files in the first named
1414 # library override files in subsequent libraries.
1415 case "${exec_prefixoption}" in
1417 *) x=${exec_prefix} ;;
1419 for l in ${with_libs}; do
1420 copy_dirs="$l $x/${target_alias}/lib ${copy_dirs}"
1425 # Handle ${copy_dirs}
1426 set fnord ${copy_dirs}
1428 while test $# != 0 ; do
1429 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
1432 echo Copying $1 to $2
1434 # Use the install script to create the directory and all required
1435 # parent directories.
1436 if test -d $2 ; then
1440 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
1443 # Copy the directory, assuming we have tar.
1444 # FIXME: Should we use B in the second tar? Not all systems support it.
1445 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
1447 # It is the responsibility of the user to correctly adjust all
1448 # symlinks. If somebody can figure out how to handle them correctly
1449 # here, feel free to add the code.
1456 extra_arflags_for_target=
1457 extra_nmflags_for_target=
1458 extra_ranlibflags_for_target=
1459 target_makefile_frag=/dev/null
1462 target_makefile_frag="config/mt-netware"
1464 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu)
1465 target_makefile_frag="config/mt-gnu"
1467 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
1468 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
1469 # commands to handle both 32-bit and 64-bit objects. These flags are
1470 # harmless if we're using GNU nm or ar.
1471 extra_arflags_for_target=" -X32_64"
1472 extra_nmflags_for_target=" -B -X32_64"
1475 # ranlib from Darwin requires the -c flag to look at common symbols.
1476 extra_ranlibflags_for_target=" -c"
1478 mips*-*-pe | sh*-*-pe | *arm-wince-pe)
1479 target_makefile_frag="config/mt-wince"
1483 alphaieee_frag=/dev/null
1486 # This just makes sure to use the -mieee option to build target libs.
1487 # This should probably be set individually by each library.
1488 alphaieee_frag="config/mt-alphaieee"
1492 # If --enable-target-optspace always use -Os instead of -O2 to build
1493 # the target libraries, similarly if it is not specified, use -Os
1494 # on selected platforms.
1495 ospace_frag=/dev/null
1496 case "${enable_target_optspace}:${target}" in
1498 ospace_frag="config/mt-ospace"
1501 ospace_frag="config/mt-d30v"
1503 :m32r-* | :d10v-* | :fr30-*)
1504 ospace_frag="config/mt-ospace"
1509 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
1513 # Set with_gnu_as and with_gnu_ld as appropriate.
1515 # This is done by determining whether or not the appropriate directory
1516 # is available, and by checking whether or not specific configurations
1517 # have requested that this magic not happen.
1519 # The command line options always override the explicit settings in
1520 # configure.in, and the settings in configure.in override this magic.
1522 # If the default for a toolchain is to use GNU as and ld, and you don't
1523 # want to do that, then you should use the --without-gnu-as and
1524 # --without-gnu-ld options for the configure script.
1526 if test x${use_gnu_as} = x &&
1527 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
1529 extra_host_args="$extra_host_args --with-gnu-as"
1532 if test x${use_gnu_ld} = x &&
1533 echo " ${configdirs} " | grep " ld " > /dev/null 2>&1 ; then
1535 extra_host_args="$extra_host_args --with-gnu-ld"
1538 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
1539 # can detect this case.
1541 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
1543 extra_host_args="$extra_host_args --with-newlib"
1546 # Default to using --with-stabs for certain targets.
1547 if test x${with_stabs} = x ; then
1549 mips*-*-irix[[56]]*)
1551 mips*-*-* | alpha*-*-osf*)
1553 extra_host_args="${extra_host_args} --with-stabs"
1558 # hpux11 in 64bit mode has libraries in a weird place. Arrange to find
1559 # them automatically.
1562 extra_host_args="$extra_host_args -x-libraries=/usr/lib/pa20_64 -x-includes=/usr/X11R6/include"
1566 # Some systems (e.g., one of the i386-aix systems the gas testers are
1567 # using) don't handle "\$" correctly, so don't use it here.
1568 tooldir='${exec_prefix}'/${target_alias}
1569 build_tooldir=${tooldir}
1571 # Generate default definitions for YACC, M4, LEX and other programs that run
1572 # on the build machine. These are used if the Makefile can't locate these
1573 # programs in objdir.
1574 MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
1575 AC_CHECK_PROGS([CONFIGURED_BISON], [bison], [$MISSING bison])
1576 AC_CHECK_PROGS([CONFIGURED_YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
1577 AC_CHECK_PROGS([CONFIGURED_M4], [gm4 gnum4 m4], [$MISSING m4])
1578 AC_CHECK_PROGS([CONFIGURED_FLEX], [flex], [$MISSING flex])
1579 AC_CHECK_PROGS([CONFIGURED_LEX], [flex lex], [$MISSING flex])
1580 AC_CHECK_PROGS([CONFIGURED_MAKEINFO], makeinfo, [$MISSING makeinfo])
1582 # Create a .gdbinit file which runs the one in srcdir
1583 # and tells GDB to look there for source files.
1585 if test -r ${srcdir}/.gdbinit ; then
1588 *) cat > ./.gdbinit <<EOF
1592 source ${srcdir}/.gdbinit
1598 # Make sure that the compiler is able to generate an executable. If it
1599 # can't, we are probably in trouble. We don't care whether we can run the
1600 # executable--we might be using a cross compiler--we only care whether it
1601 # can be created. At this point the main configure script has set CC.
1603 echo "int main () { return 0; }" > conftest.c
1604 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
1605 if test $? = 0 ; then
1606 if test -s conftest || test -s conftest.exe ; then
1612 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
1613 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
1620 # The Solaris /usr/ucb/cc compiler does not appear to work.
1622 sparc-sun-solaris2*)
1623 CCBASE="`echo ${CC-cc} | sed 's/ .*$//'`"
1624 if test "`type $CCBASE | sed 's/^[[^/]]*//'`" = "/usr/ucb/cc" ; then
1626 test -d /opt/SUNWspro/bin && could_use="/opt/SUNWspro/bin"
1627 if test -d /opt/cygnus/bin ; then
1628 if test "$could_use" = "" ; then
1629 could_use="/opt/cygnus/bin"
1631 could_use="$could_use or /opt/cygnus/bin"
1634 if test "$could_use" = "" ; then
1635 echo "Warning: compilation may fail because you're using"
1636 echo "/usr/ucb/cc. You should change your PATH or CC "
1637 echo "variable and rerun configure."
1639 echo "Warning: compilation may fail because you're using"
1640 echo "/usr/ucb/cc, when you should use the C compiler from"
1641 echo "$could_use. You should change your"
1642 echo "PATH or CC variable and rerun configure."
1648 # If no --enable-shared nor --disable-shared is specified, we set up
1649 # LD_LIBRARY_PATH when we build for gcc.
1650 case $enable_shared in
1652 if test -d ${srcdir}/gcc; then
1659 set_lib_path=$enable_shared
1663 # If --enable-shared was set, we must set LD_LIBRARY_PATH so that the
1664 # binutils tools will find libbfd.so.
1665 case "${set_lib_path}" in
1666 no) SET_LIB_PATH= ;;
1667 *) SET_LIB_PATH="\$(REALLY_SET_LIB_PATH)" ;;
1671 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
1672 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
1675 # Record target_configdirs and the configure arguments for target and
1676 # build configuration in Makefile.
1677 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
1678 build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
1680 # Determine whether gdb needs tk/tcl or not.
1681 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
1682 # and in that case we want gdb to be built without tk. Ugh!
1683 # In fact I believe gdb is the *only* package directly dependent on tk,
1684 # so we should be able to put the 'maybe's in unconditionally and
1685 # leave out the maybe dependencies when enable_gdbtk is false. I'm not
1686 # 100% sure that that's safe though.
1688 gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
1689 case "$enable_gdbtk" in
1693 GDB_TK="${gdb_tk}" ;;
1695 # Only add the dependency on gdbtk when GDBtk is part of the gdb
1696 # distro. Eventually someone will fix this and move Insight, nee
1697 # gdbtk to a separate directory.
1698 if test -d ${srcdir}/gdb/gdbtk ; then
1706 # Strip out unwanted targets.
1708 # While at that, we remove Makefiles if we were started for recursive
1709 # configuration, so that the top-level Makefile reconfigures them,
1710 # like we used to do when configure itself was recursive.
1712 # Loop over modules. $extrasub must be used with care, limiting as
1713 # much as possible the usage of range addresses. That's because autoconf
1714 # splits the sed script to overcome limits in the number of commands,
1715 # and relying on carefully-timed sed passes may turn out to be very hard
1716 # to maintain later. In this particular case, you just have to be careful
1717 # not to nest @if/@endif pairs, because configure will not warn you at all.
1719 AC_ARG_ENABLE([bootstrap],
1720 [ --enable-bootstrap[=lean] Enable bootstrapping [no]],,
1721 enable_bootstrap=default)
1723 # Issue errors and warnings for invalid/strange bootstrap combinations.
1724 case "$configdirs" in
1725 *gcc*) have_compiler=yes ;;
1726 *) have_compiler=no ;;
1729 case "$have_compiler:$host:$target:$enable_bootstrap" in
1732 # Default behavior. (We'll) enable bootstrap if we have a compiler
1733 # and we are in a native configuration.
1734 yes:$build:$build:default)
1735 # This will become 'yes'
1736 enable_bootstrap=no ;;
1739 enable_bootstrap=no ;;
1741 # We have a compiler and we are in a native configuration, bootstrap is ok
1742 yes:$build:$build:yes | yes:$build:$build:lean)
1745 # Other configurations, but we have a compiler. Assume the user knows
1747 yes:*:*:yes | yes:*:*:lean)
1748 AC_MSG_WARN([trying to bootstrap a cross compiler])
1751 # No compiler: if they passed --enable-bootstrap explicitly, fail
1752 no:*:*:yes | no:*:*:lean)
1753 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
1755 # Fail if wrong command line
1757 AC_MSG_ERROR([invalid option for --enable-bootstrap])
1761 # Adjust the toplevel makefile according to whether bootstrap was selected.
1762 case "$enable_bootstrap" in
1765 default_target=bootstrap
1766 bootstrap_suffix=bootstrap ;;
1769 default_target=bootstrap
1770 bootstrap_suffix=bootstrap ;;
1773 bootstrap_suffix=no-bootstrap ;;
1775 AC_SUBST(bootstrap_lean)
1776 AC_SUBST(default_target)
1778 for module in ${build_configdirs} ; do
1779 if test -z "${no_recursion}" \
1780 && test -f ${build_subdir}/${module}/Makefile; then
1781 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
1782 rm -f ${build_subdir}/${module}/Makefile
1785 /^@if build-$module\$/d
1786 /^@endif build-$module\$/d
1787 /^@if build-$module-$bootstrap_suffix\$/d
1788 /^@endif build-$module-$bootstrap_suffix\$/d"
1790 for module in ${configdirs} ; do
1791 if test -z "${no_recursion}" \
1792 && test -f ${module}/Makefile; then
1793 echo 1>&2 "*** removing ${module}/Makefile to force reconfigure"
1794 rm -f ${module}/Makefile
1798 /^@endif $module\$/d
1799 /^@if $module-$bootstrap_suffix\$/d
1800 /^@endif $module-$bootstrap_suffix\$/d"
1802 for module in ${target_configdirs} ; do
1803 if test -z "${no_recursion}" \
1804 && test -f ${target_subdir}/${module}/Makefile; then
1805 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
1806 rm -f ${target_subdir}/${module}/Makefile
1809 /^@if target-$module\$/d
1810 /^@endif target-$module\$/d
1811 /^@if target-$module-$bootstrap_suffix\$/d
1812 /^@endif target-$module-$bootstrap_suffix\$/d"
1816 /^@if /,/^@endif /d"
1818 # Create the serialization dependencies. This uses a temporary file.
1820 AC_ARG_ENABLE([serial-configure],
1821 [ --enable-serial-[{host,target,build}-]configure
1822 Force sequential configuration of
1823 sub-packages for the host, target or build
1824 machine, or all sub-packages])
1826 case ${enable_serial_configure} in
1828 enable_serial_build_configure=yes
1829 enable_serial_host_configure=yes
1830 enable_serial_target_configure=yes
1834 # These force 'configure's to be done one at a time, to avoid problems
1835 # with contention over a shared config.cache.
1837 echo '# serdep.tmp' > serdep.tmp
1839 test "x${enable_serial_build_configure}" = xyes &&
1840 for item in ${build_configdirs} ; do
1843 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
1848 test "x${enable_serial_host_configure}" = xyes &&
1849 for item in ${configdirs} ; do
1852 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
1857 test "x${enable_serial_target_configure}" = xyes &&
1858 for item in ${target_configdirs} ; do
1861 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
1865 serialization_dependencies=serdep.tmp
1866 AC_SUBST_FILE(serialization_dependencies)
1868 # Base args. Strip norecursion, cache-file, srcdir, host, build,
1869 # target and nonopt. These are the ones we might not want to pass
1870 # down to subconfigures. Also strip program-prefix, program-suffix,
1871 # and program-transform-name, so that we can pass down a consistent
1872 # program-transform-name. If autoconf has put single quotes around
1873 # any of these arguments (because they contain shell metacharacters)
1874 # then this will fail; in practice this only happens for
1875 # --program-transform-name, so be sure to override --program-transform-name
1876 # at the end of the argument list.
1877 # These will be expanded by make, so quote '$'.
1878 cat <<\EOF_SED > conftestsed
1880 s/ --c[[a-z-]]*[[= ]][[^ ]]*//g
1881 s/ --sr[[a-z-]]*[[= ]][[^ ]]*//g
1882 s/ --ho[[a-z-]]*[[= ]][[^ ]]*//g
1883 s/ --bu[[a-z-]]*[[= ]][[^ ]]*//g
1884 s/ --t[[a-z-]]*[[= ]][[^ ]]*//g
1885 s/ --program-[[pst]][[a-z-]]*[[= ]][[^ ]]*//g
1886 s/ -cache-file[[= ]][[^ ]]*//g
1887 s/ -srcdir[[= ]][[^ ]]*//g
1888 s/ -host[[= ]][[^ ]]*//g
1889 s/ -build[[= ]][[^ ]]*//g
1890 s/ -target[[= ]][[^ ]]*//g
1891 s/ -program-prefix[[= ]][[^ ]]*//g
1892 s/ -program-suffix[[= ]][[^ ]]*//g
1893 s/ -program-transform-name[[= ]][[^ ]]*//g
1894 s/ [[^' -][^ ]*] / /
1898 sed -f conftestsed <<EOF_SED > conftestsed.out
1899 ${ac_configure_args}
1901 baseargs=`cat conftestsed.out`
1902 rm -f conftestsed conftestsed.out
1904 # Add in --program-transform-name, after --program-prefix and
1905 # --program-suffix have been applied to it. Autoconf has already
1906 # doubled dollar signs and backslashes in program_transform_name; we want
1907 # the backslashes un-doubled, and then the entire thing wrapped in single
1908 # quotes, because this will be expanded first by make and then by the shell.
1909 # Also, because we want to override the logic in subdir configure scripts to
1910 # choose program_transform_name, replace any s,x,x, with s,y,y,.
1911 sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
1912 ${program_transform_name}
1914 gcc_transform_name=`cat conftestsed.out`
1915 rm -f conftestsed.out
1916 baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
1918 # For the build-side libraries, we just need to pretend we're native,
1919 # and not use the same cache file. Multilibs are neither needed nor
1921 build_configargs="--cache-file=../config.cache --build=${build_alias} --host=${build_alias} --target=${target_alias} ${baseargs}"
1923 # For host modules, accept cache file option, or specification as blank.
1924 case "${cache_file}" in
1926 cache_file_option="" ;;
1927 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
1928 cache_file_option="--cache-file=${cache_file}" ;;
1930 cache_file_option="--cache-file=../${cache_file}" ;;
1933 # Host dirs don't like to share a cache file either, horribly enough.
1934 # This seems to be due to autoconf 2.5x stupidity.
1935 host_configargs="--cache-file=./config.cache --build=${build_alias} --host=${host_alias} --target=${target_alias} ${extra_host_args} ${baseargs}"
1937 target_configargs=${baseargs}
1939 # Passing a --with-cross-host argument lets the target libraries know
1940 # whether they are being built with a cross-compiler or being built
1941 # native. However, it would be better to use other mechanisms to make the
1942 # sorts of decisions they want to make on this basis. Please consider
1943 # this option to be deprecated. FIXME.
1944 if test x${is_cross_compiler} = xyes ; then
1945 target_configargs="--with-cross-host=${host_alias} ${target_configargs}"
1948 # Default to --enable-multilib.
1949 if test x${enable_multilib} = x ; then
1950 target_configargs="--enable-multilib ${target_configargs}"
1953 # Pass --with-newlib if appropriate. Note that target_configdirs has
1954 # changed from the earlier setting of with_newlib.
1955 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
1956 target_configargs="--with-newlib ${target_configargs}"
1959 # Different target subdirs use different values of certain variables
1960 # (notably CXX). Worse, multilibs use *lots* of different values.
1961 # Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
1962 # it doesn't automatically accept command-line overrides of them.
1963 # This means it's not safe for target subdirs to share a cache file,
1964 # which is disgusting, but there you have it. Hopefully this can be
1965 # fixed in future. It's still worthwhile to use a cache file for each
1966 # directory. I think.
1968 # Pass the appropriate --host, --build, and --cache-file arguments.
1969 target_configargs="--cache-file=./config.cache --host=${target_alias} --build=${build_alias} ${target_configargs}"
1971 # provide a proper gxx_include_dir.
1972 TL_AC_GXX_INCLUDE_DIR
1975 case " $target_configdirs " in
1977 case " $target_configargs " in
1978 *" --with-newlib "*)
1981 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 $$s/winsup/w32api/include' ;;
1984 # If we're not building GCC, don't discard standard headers.
1985 if test -d ${srcdir}/gcc; then
1986 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
1988 if test "${build}" != "${host}"; then
1989 # On Canadian crosses, CC_FOR_TARGET will have already been set
1990 # by `configure', so we won't have an opportunity to add -Bgcc/
1991 # to it. This is right: we don't want to search that directory
1992 # for binaries, but we want the header files in there, so add
1994 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/gcc/include'
1996 # Someone might think of using the pre-installed headers on
1997 # Canadian crosses, in case the installed compiler is not fully
1998 # compatible with the compiler being built. In this case, it
1999 # would be better to flag an error than risking having
2000 # incompatible object files being constructed. We can't
2001 # guarantee that an error will be flagged, but let's hope the
2002 # compiler will do it, when presented with incompatible header
2007 case "${target}-${is_cross_compiler}" in
2008 i[[3456789]]86-*-linux*-no)
2009 # Here host == target, so we don't need to build gcc,
2010 # so we don't want to discard standard headers.
2011 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
2014 # If we're building newlib, use its generic headers last, but search
2015 # for any libc-related directories first (so make it the last -B
2017 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
2025 # Allow the user to override the flags for
2026 # our build compiler if desired.
2027 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
2029 # On Canadian crosses, we'll be searching the right directories for
2030 # the previously-installed cross compiler, so don't bother to add
2031 # flags for directories within the install tree of the compiler
2032 # being built; programs in there won't even run.
2033 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
2034 # Search for pre-installed headers if nothing else fits.
2035 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
2038 if test "x${use_gnu_ld}" = x &&
2039 echo " ${configdirs} " | grep " ld " > /dev/null ; then
2040 # Arrange for us to find uninstalled linker scripts.
2041 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/ld'
2044 if test "x${CC_FOR_TARGET+set}" = xset; then
2046 elif test -d ${srcdir}/gcc; then
2047 CC_FOR_TARGET='$$r/gcc/xgcc -B$$r/gcc/'
2048 elif test "$host" = "$target"; then
2049 CC_FOR_TARGET='$(CC)'
2051 CC_FOR_TARGET=`echo gcc | sed "${program_transform_name}"`
2053 CC_FOR_TARGET=$CC_FOR_TARGET' $(FLAGS_FOR_TARGET)'
2055 if test "x${GCJ_FOR_TARGET+set}" = xset; then
2057 elif test -d ${srcdir}/gcc; then
2058 GCJ_FOR_TARGET='$$r/gcc/gcj -B$$r/gcc/'
2059 elif test "$host" = "$target"; then
2060 GCJ_FOR_TARGET='gcj'
2062 GCJ_FOR_TARGET=`echo gcj | sed "${program_transform_name}"`
2064 GCJ_FOR_TARGET=$GCJ_FOR_TARGET' $(FLAGS_FOR_TARGET)'
2066 if test "x${GFORTRAN_FOR_TARGET+set}" = xset; then
2068 elif test -d ${srcdir}/gcc; then
2069 GFORTRAN_FOR_TARGET='$$r/gcc/gfortran -B$$r/gcc/'
2070 elif test "$host" = "$target"; then
2071 GFORTRAN_FOR_TARGET='gfortran'
2073 GFORTRAN_FOR_TARGET=`echo gfortran | sed "${program_transform_name}"`
2075 case $GFORTRAN_FOR_TARGET in
2076 *' $(FLAGS_FOR_TARGET)') ;;
2077 *) GFORTRAN_FOR_TARGET=$GFORTRAN_FOR_TARGET' $(FLAGS_FOR_TARGET)' ;;
2080 # Don't use libstdc++-v3's flags to configure/build itself.
2081 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'
2082 raw_libstdcxx_flags='-L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs'
2084 if test "x${CXX_FOR_TARGET+set}" = xset; then
2085 if test "x${RAW_CXX_FOR_TARGET+set}" != xset; then
2086 RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
2088 elif test -d ${srcdir}/gcc; then
2089 # We add -shared-libgcc to CXX_FOR_TARGET whenever we use xgcc instead
2090 # of g++ for linking C++ or Java, because g++ has -shared-libgcc by
2091 # default whereas gcc does not.
2092 # RAW_CXX_FOR_TARGET is for linking C++ or java; CXX_FOR_TARGET is for
2094 CXX_FOR_TARGET='$$r/gcc/g++ -B$$r/gcc/ -nostdinc++ '$libstdcxx_flags
2095 RAW_CXX_FOR_TARGET='$$r/gcc/xgcc -shared-libgcc -B$$r/gcc/ -nostdinc++ '$raw_libstdcxx_flags
2096 elif test "$host" = "$target"; then
2097 CXX_FOR_TARGET='$(CXX)'
2098 RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
2100 CXX_FOR_TARGET=`echo c++ | sed "${program_transform_name}"`
2101 RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
2103 CXX_FOR_TARGET=$CXX_FOR_TARGET' $(FLAGS_FOR_TARGET)'
2104 RAW_CXX_FOR_TARGET=$RAW_CXX_FOR_TARGET' $(FLAGS_FOR_TARGET)'
2106 qCXX_FOR_TARGET=`echo "$CXX_FOR_TARGET" | sed 's,[[&%]],\\\&,g'`
2107 qRAW_CXX_FOR_TARGET=`echo "$RAW_CXX_FOR_TARGET" | sed 's,[[&%]],\\\&,g'`
2109 # We want to defer the evaluation of `cmd`s and shell variables in
2110 # CXX_FOR_TARGET when recursing in the top-level Makefile, such as for
2111 # bootstrap. We'll enclose CXX_FOR_TARGET_FOR_RECURSIVE_MAKE in single
2112 # quotes, but we still have to duplicate `$'s so that shell variables
2113 # can be expanded by the nested make as shell variables, not as make
2115 qqCXX_FOR_TARGET=`echo "$qCXX_FOR_TARGET" | sed -e 's,[[$]][[$]],$$$$,g'`
2116 qqRAW_CXX_FOR_TARGET=`echo "$qRAW_CXX_FOR_TARGET" | sed -e 's,[[$]][[$]],$$$$,g'`
2118 # Wrap CC_FOR_TARGET and friends, for certain types of builds.
2119 CC_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${CC_FOR_TARGET}"
2120 GCJ_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${GCJ_FOR_TARGET}"
2121 GFORTRAN_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${GFORTRAN_FOR_TARGET}"
2122 CXX_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${qCXX_FOR_TARGET}"
2123 RAW_CXX_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${qRAW_CXX_FOR_TARGET}"
2124 CXX_FOR_TARGET_FOR_RECURSIVE_MAKE="\$(STAGE_CC_WRAPPER) ${qqCXX_FOR_TARGET}"
2125 RAW_CXX_FOR_TARGET_FOR_RECURSIVE_MAKE="\$(STAGE_CC_WRAPPER) ${qqRAW_CXX_FOR_TARGET}"
2127 # Makefile fragments.
2128 for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
2130 eval fragval=\$$frag
2131 if test $fragval != /dev/null; then
2132 eval $frag=${srcdir}/$fragval
2135 AC_SUBST_FILE(host_makefile_frag)
2136 AC_SUBST_FILE(target_makefile_frag)
2137 AC_SUBST_FILE(alphaieee_frag)
2138 AC_SUBST_FILE(ospace_frag)
2140 # Miscellanea: directories, flags, etc.
2141 AC_SUBST(SET_LIB_PATH)
2142 AC_SUBST(RPATH_ENVVAR)
2143 AC_SUBST(BUILD_PREFIX)
2144 AC_SUBST(BUILD_PREFIX_1)
2146 AC_SUBST(build_tooldir)
2149 # Build module lists & subconfigure args.
2150 AC_SUBST(build_configargs)
2151 AC_SUBST(build_configdirs)
2153 # Host module lists & subconfigure args.
2154 AC_SUBST(host_configargs)
2155 AC_SUBST(configdirs)
2157 # Target module lists & subconfigure args.
2158 AC_SUBST(target_configargs)
2159 AC_SUBST(target_configdirs)
2162 AC_SUBST(CC_FOR_BUILD)
2163 AC_SUBST(config_shell)
2166 NCN_STRICT_CHECK_TOOL(AR, ar)
2167 NCN_STRICT_CHECK_TOOL(AS, as)
2168 NCN_STRICT_CHECK_TOOL(DLLTOOL, dlltool)
2169 NCN_STRICT_CHECK_TOOL(LD, ld)
2170 NCN_STRICT_CHECK_TOOL(NM, nm)
2171 NCN_STRICT_CHECK_TOOL(RANLIB, ranlib, :)
2172 NCN_STRICT_CHECK_TOOL(WINDRES, windres)
2173 NCN_STRICT_CHECK_TOOL(OBJCOPY, objcopy)
2174 NCN_STRICT_CHECK_TOOL(OBJDUMP, objdump)
2178 AC_SUBST(CFLAGS_FOR_BUILD)
2182 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_AR_FOR_TARGET, ar)
2183 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_AS_FOR_TARGET, as)
2184 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_DLLTOOL_FOR_TARGET, dlltool)
2185 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_LD_FOR_TARGET, ld)
2186 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_NM_FOR_TARGET, nm)
2187 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_RANLIB_FOR_TARGET, ranlib, :)
2188 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_WINDRES_FOR_TARGET, windres)
2190 AC_SUBST(GCC_FOR_TARGET)
2191 AC_SUBST(FLAGS_FOR_TARGET)
2192 AC_SUBST(CC_FOR_TARGET)
2193 AC_SUBST(GCJ_FOR_TARGET)
2194 AC_SUBST(GFORTRAN_FOR_TARGET)
2195 AC_SUBST(CXX_FOR_TARGET)
2196 AC_SUBST(RAW_CXX_FOR_TARGET)
2197 AC_SUBST(CXX_FOR_TARGET_FOR_RECURSIVE_MAKE)
2198 AC_SUBST(RAW_CXX_FOR_TARGET_FOR_RECURSIVE_MAKE)
2200 # Fix up target tools.
2201 if test "x${build}" = "x${host}" ; then
2202 # In this case, the newly built tools can and should be used,
2203 # so we override the results of the autoconf tests.
2204 # This should really only happen when the tools are actually being built,
2205 # but that's a further refinement. The new build scheme, where
2206 # tools are built into a structure paralleling where they're installed,
2207 # should also eliminate all of this cleanly.
2208 AR_FOR_TARGET="\$(USUAL_AR_FOR_TARGET)"
2209 AS_FOR_TARGET="\$(USUAL_AS_FOR_TARGET)"
2210 DLLTOOL_FOR_TARGET="\$(USUAL_DLLTOOL_FOR_TARGET)"
2211 LD_FOR_TARGET="\$(USUAL_LD_FOR_TARGET)"
2212 NM_FOR_TARGET="\$(USUAL_NM_FOR_TARGET)"
2213 RANLIB_FOR_TARGET="\$(USUAL_RANLIB_FOR_TARGET)"
2214 WINDRES_FOR_TARGET="\$(USUAL_WINDRES_FOR_TARGET)"
2216 # Just use the ones we found.
2217 AR_FOR_TARGET="\$(CONFIGURED_AR_FOR_TARGET)"
2218 AS_FOR_TARGET="\$(CONFIGURED_AS_FOR_TARGET)"
2219 DLLTOOL_FOR_TARGET="\$(CONFIGURED_DLLTOOL_FOR_TARGET)"
2220 LD_FOR_TARGET="\$(CONFIGURED_LD_FOR_TARGET)"
2221 NM_FOR_TARGET="\$(CONFIGURED_NM_FOR_TARGET)"
2222 RANLIB_FOR_TARGET="\$(CONFIGURED_RANLIB_FOR_TARGET)"
2223 WINDRES_FOR_TARGET="\$(CONFIGURED_WINDRES_FOR_TARGET)"
2225 AC_SUBST(AR_FOR_TARGET)
2226 AC_SUBST(AS_FOR_TARGET)
2227 AC_SUBST(DLLTOOL_FOR_TARGET)
2228 AC_SUBST(LD_FOR_TARGET)
2229 AC_SUBST(NM_FOR_TARGET)
2230 AC_SUBST(RANLIB_FOR_TARGET)
2231 AC_SUBST(WINDRES_FOR_TARGET)
2233 # Certain tools may need extra flags.
2234 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
2235 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
2236 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
2238 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
2239 AC_ARG_ENABLE(maintainer-mode,
2240 [ --enable-maintainer-mode enable make rules and dependencies not useful
2241 (and sometimes confusing) to the casual installer],
2242 USE_MAINTAINER_MODE=$enableval,
2243 USE_MAINTAINER_MODE=no)
2244 AC_MSG_RESULT($USE_MAINTAINER_MODE)
2245 AC_SUBST(MAINTAINER_MODE_TRUE)
2246 AC_SUBST(MAINTAINER_MODE_FALSE)
2247 if test "$USE_MAINTAINER_MODE" = yes; then
2248 MAINTAINER_MODE_TRUE=
2249 MAINTAINER_MODE_FALSE='#'
2251 MAINTAINER_MODE_TRUE='#'
2252 MAINTAINER_MODE_FALSE=
2254 MAINT=$MAINTAINER_MODE_TRUE
2257 # ---------------------
2258 # GCC bootstrap support
2259 # ---------------------
2261 # Stage specific cflags for build.
2266 yes) stage1_cflags="-g -Wa,-J" ;;
2267 *) stage1_cflags="-g -J" ;;
2270 # The spiffy cpp-precomp chokes on some legitimate constructs in GCC
2271 # sources; use -no-cpp-precomp to get to GNU cpp.
2272 # Apple's GCC has bugs in designated initializer handling, so disable
2274 stage1_cflags="-g -no-cpp-precomp -DHAVE_DESIGNATED_INITIALIZERS=0"
2277 AC_SUBST(stage1_cflags)
2279 # It makes debugging easier if we create as symlinks the stage directories
2280 # gcc for stageN-gcc and stagePREV-gcc for stage(N-1). In case this is not
2281 # possible, however, we can resort to mv.
2282 AC_CACHE_CHECK([if symbolic links between directories work],
2283 [gcc_cv_prog_ln_s_dir],
2284 [if test "${LN_S}" = "ln -s" \
2285 && mkdir confdir.s1 \
2286 && ln -s confdir.s1 confdir.s2 \
2287 && echo timestamp1 > confdir.s1/conftest.1 \
2288 && cmp confdir.s1/conftest.1 confdir.s2/conftest.1 \
2289 && echo timestamp2 > confdir.s2/conftest.2 \
2290 && cmp confdir.s1/conftest.2 confdir.s1/conftest.2 \
2291 && rm -f confdir.s2; then
2292 gcc_cv_prog_ln_s_dir=yes
2294 gcc_cv_prog_ln_s_dir=yes
2296 rm -rf confdir.s1 confdir.s2])
2298 case ${gcc_cv_prog_ln_s_dir} in
2300 CREATE_LINK_TO_DIR='ln -s $$1 $$2'
2301 UNDO_LINK_TO_DIR='rm -f $$1' ;;
2303 CREATE_LINK_TO_DIR='mv $$1 $$2'
2304 UNDO_LINK_TO_DIR='mv $$1 $$2' ;;
2306 AC_SUBST(CREATE_LINK_TO_DIR)
2307 AC_SUBST(UNDO_LINK_TO_DIR)
2309 # Enable -Werror in bootstrap stage2 and later.
2310 # Change the default to "no" on release branches.
2311 AC_ARG_ENABLE(werror,
2312 [ --enable-werror enable -Werror in bootstrap stage2 and later], [],
2313 [enable_werror=yes])
2314 case ${enable_werror} in
2315 yes) stage2_werror_flag="--enable-werror-always" ;;
2316 *) stage2_werror_flag="" ;;
2318 AC_SUBST(stage2_werror_flag)
2320 # If gcc is built natively with shared library enabled, set
2321 # $RPATH_ENVVAR to make sure the newly built gcc shared librares are
2324 if test -d ${srcdir}/gcc && test x${is_cross_compiler} = xno; then
2325 case "${set_lib_path}" in
2328 eval "d=\$$RPATH_ENVVAR"
2329 if test x"$d" != x; then
2334 SET_GCC_LIB_PATH="\$(RPATH_ENVVAR)=$d; export \$(RPATH_ENVVAR);"
2338 AC_SUBST(SET_GCC_LIB_PATH)