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)
24 AC_INIT(move-if-change)
29 # Get 'install' or 'install-sh' and its variants.
34 ### we might need to use some other shell than /bin/sh for running subshells
35 ### If we are on Windows, search for the shell. This will permit people
36 ### to not have /bin/sh, but to be able to see /SOME/PATH/sh configure
37 ### without also having to set CONFIG_SHELL. This code will work when
38 ### using bash, which sets OSTYPE.
41 if test x${CONFIG_SHELL} = x ; then
42 if test ! -f /bin/sh ; then
43 if test x${SHELL} != x && test -f ${SHELL} ; then
47 for prog in sh sh.exe bash bash.exe; do
48 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
50 test -z "$dir" && dir=.
51 if test -f $dir/$prog; then
52 CONFIG_SHELL=$dir/$prog
58 test -n "${CONFIG_SHELL}" && break
66 config_shell=${CONFIG_SHELL-/bin/sh}
69 # if PWD already has a value, it is probably wrong.
70 if test -n "$PWD" ; then PWD=`${PWDCMD-pwd}`; fi
72 # Export original configure arguments for use by sub-configures. These
73 # will be expanded by make, so quote '$'.
75 sed -e 's,\$,$$,g' <<EOF_SED > conftestsed.out
78 TOPLEVEL_CONFIGURE_ARGUMENTS=`cat conftestsed.out`
80 AC_SUBST(TOPLEVEL_CONFIGURE_ARGUMENTS)
82 moveifchange=${srcdir}/move-if-change
84 srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}`
86 # We pass INSTALL explicitly to sub-makes. Make sure that it is not
88 if test "$INSTALL" = "${srcdir}/install-sh -c"; then
89 INSTALL="${srcpwd}/install-sh -c"
92 # Set srcdir to "." if that's what it is.
93 # This is important for multilib support.
95 if test "${pwd}" = "${srcpwd}" ; then
103 # Define the trigger file to make sure configure will re-run whenever
104 # the gcc version number changes.
105 TL_AC_GCC_VERSION([$topsrcdir])
106 if test -f $gcc_version_trigger ; then
107 case "$ac_configure_args" in
108 *--with-gcc-version-trigger=$gcc_version_trigger* )
111 # Add to all subconfigure arguments: build, host, and target.
112 ac_configure_args="$ac_configure_args --with-gcc-version-trigger=$gcc_version_trigger"
117 ### To add a new directory to the tree, first choose whether it is a target
118 ### or a host dependent tool. Then put it into the appropriate list
119 ### (library or tools, host or target), doing a dependency sort.
121 # Subdirs will be configured in the order listed in build_configdirs,
122 # configdirs, or target_configdirs; see the serialization section below.
124 # Dependency sorting is only needed when *configuration* must be done in
125 # a particular order. In all cases a dependency should be specified in
126 # the Makefile, whether or not it's implicitly specified here.
128 # Double entries in build_configdirs, configdirs, or target_configdirs may
129 # cause circular dependencies and break everything horribly.
131 # these library is used by various programs built for the build
134 build_libs="build-libiberty"
136 # these tools are built for the build environment
137 build_tools="build-texinfo build-byacc build-flex build-bison build-m4 build-fixincludes"
139 # these libraries are used by various programs built for the host environment
141 host_libs="intl mmalloc libiberty opcodes bfd readline tcl tk itcl libgui zlib libcpp"
143 # these tools are built for the host environment
144 # Note, the powerpc-eabi build depends on sim occurring before gdb in order to
145 # know that we are building the simulator.
146 # binutils, gas and ld appear in that order because it makes sense to run
147 # "make check" in that particular order.
148 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"
150 # libgcj represents the runtime libraries only used by gcj.
151 libgcj="target-libffi \
157 # these libraries are built for the target environment, and are built after
158 # the host libraries and the host tools (which may be a cross compiler)
160 target_libraries="target-libiberty \
163 target-libstdc++-v3 \
170 # these tools are built using the target libraries, and are intended to
171 # run only in the target environment
173 # note: any program that *uses* libraries that are in the "target_libraries"
174 # list belongs in this list. those programs are also very likely
175 # candidates for the "native_only" list which follows
177 target_tools="target-examples target-groff target-gperf target-rda"
179 ################################################################################
181 ## All tools belong in one of the four categories, and are assigned above
182 ## We assign ${configdirs} this way to remove all embedded newlines. This
183 ## is important because configure will choke if they ever get through.
184 ## ${configdirs} is directories we build using the host tools.
185 ## ${target_configdirs} is directories we build using the target tools.
186 configdirs=`echo ${host_libs} ${host_tools}`
187 target_configdirs=`echo ${target_libraries} ${target_tools}`
188 build_configdirs=`echo ${build_libs} ${build_tools}`
190 ################################################################################
192 srcname="gnu development package"
194 # This gets set non-empty for some net releases of packages.
197 # Define is_cross_compiler to save on calls to 'test'.
199 if test x"${host}" = x"${target}" ; then
202 is_cross_compiler=yes
205 # Find the build and target subdir names.
208 # Skipdirs are removed silently.
210 # Noconfigdirs are removed loudly.
214 # Make sure we don't let GNU ld be added if we didn't want it.
215 if test x$with_gnu_ld = xno ; then
217 noconfigdirs="$noconfigdirs ld"
221 # Make sure we don't let GNU as be added if we didn't want it.
222 if test x$with_gnu_as = xno ; then
224 noconfigdirs="$noconfigdirs gas"
227 # some tools are so dependent upon X11 that if we're not building with X,
228 # it's not even worth trying to configure, much less build, that tool.
231 yes | "") ;; # the default value for this tree is that X11 is available
233 skipdirs="${skipdirs} tk itcl libgui"
234 # We won't be able to build gdbtk without X.
237 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
240 # Some tools are only suitable for building in a "native" situation.
241 # Remove these if host!=target.
242 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"
244 # Similarly, some are only suitable for cross toolchains.
245 # Remove these if host=target.
246 cross_only="target-libgloss target-newlib target-opcodes"
248 case $is_cross_compiler in
249 no) skipdirs="${skipdirs} ${cross_only}" ;;
250 yes) skipdirs="${skipdirs} ${native_only}" ;;
253 # If both --with-headers and --with-libs are specified, default to
255 if test x"${with_headers}" != x && test x"${with_headers}" != xno \
256 && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
257 if test x"${with_newlib}" = x ; then
262 # Recognize --with-newlib/--without-newlib.
263 case ${with_newlib} in
264 no) skipdirs="${skipdirs} target-newlib" ;;
265 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
268 # Configure extra directories which are host specific
272 configdirs="$configdirs libtermcap" ;;
275 # Remove more programs from consideration, based on the host or
276 # target this usually means that a port of the program doesn't
281 noconfigdirs="$noconfigdirs byacc"
283 i[[3456789]]86-*-vsta)
284 noconfigdirs="$noconfigdirs tcl expect dejagnu make texinfo bison patch flex byacc send-pr gprof uudecode dejagnu diff guile perl itcl gnuserv gettext"
286 i[[3456789]]86-*-go32* | i[[3456789]]86-*-msdosdjgpp*)
287 noconfigdirs="$noconfigdirs tcl tk expect dejagnu send-pr uudecode guile itcl gnuserv libffi"
289 i[[3456789]]86-*-mingw32*)
290 # noconfigdirs="tcl tk expect dejagnu make texinfo bison patch flex byacc send-pr uudecode dejagnu diff guile perl itcl gnuserv"
291 noconfigdirs="$noconfigdirs expect dejagnu autoconf automake send-pr rcs guile perl texinfo libtool"
293 i[[3456789]]86-*-beos*)
294 noconfigdirs="$noconfigdirs tk itcl libgui gdb"
297 noconfigdirs="$noconfigdirs autoconf automake send-pr rcs guile perl"
300 noconfigdirs="$noconfigdirs rcs"
303 noconfigdirs="$noconfigdirs patch diff make tk tcl expect dejagnu autoconf automake texinfo bison send-pr gprof rcs guile perl itcl gnuserv"
306 noconfigdirs="$noconfigdirs tk itcl libgui gdb dejagnu readline"
309 noconfigdirs="$noconfigdirs tk itcl libgui"
314 AC_ARG_ENABLE(libada,
315 [ --enable-libada Builds libada directory],
316 ENABLE_LIBADA=$enableval,
318 if test "${ENABLE_LIBADA}" != "yes" ; then
319 noconfigdirs="$noconfigdirs target-libada"
322 # Save it here so that, even in case of --enable-libgcj, if the Java
323 # front-end isn't enabled, we still get libgcj disabled.
325 case $enable_libgcj in
327 # If we reset it here, it won't get added to noconfigdirs in the
328 # target-specific build rules, so it will be forcibly enabled
329 # (unless the Java language itself isn't enabled).
333 # Make sure we get it printed in the list of not supported target libs.
334 noconfigdirs="$noconfigdirs ${libgcj}"
339 # Allow --disable-libmudflap to exclude target-libmudflap
340 case $enable_libmudflap in
344 noconfigdirs="$noconfigdirs target-libmudflap"
348 *-*-linux*-gnu | *-*-gnu* | *-*-k*bsd*-gnu)
349 # Enable libmudflap by default in GNU and friends.
352 # Enable libmudflap by default in FreeBSD.
355 # Disable it by default everywhere else.
356 noconfigdirs="$noconfigdirs target-libmudflap"
364 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
367 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes gdb gprof"
370 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes gdb gprof"
371 noconfigdirs="$noconfigdirs ${libgcj}"
373 *-*-freebsd[[12]] | *-*-freebsd[[12]].* | *-*-freebsd*aout*)
374 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
377 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
378 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
379 && test -f /usr/local/include/gmp.h; then
383 # Skip some stuff that's unsupported on some FreeBSD configurations.
388 noconfigdirs="$noconfigdirs ${libgcj}"
393 # Remove unsupported stuff on all kaOS configurations.
394 skipdirs="target-libiberty ${libgcj} target-libstdc++-v3 target-librx"
395 skipdirs="$skipdirs target-libobjc target-examples target-groff target-gperf"
396 skipdirs="$skipdirs zlib fastjar target-libjava target-boehm-gc target-zlib"
397 noconfigdirs="$noconfigdirs target-libgloss"
400 # Skip some stuff on all NetBSD configurations.
401 noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss"
403 # Skip some stuff that's unsupported on some NetBSD configurations.
405 i*86-*-netbsdelf*) ;;
406 arm*-*-netbsdelf*) ;;
408 noconfigdirs="$noconfigdirs ${libgcj}"
413 noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss ${libgcj} target-libmudflap"
416 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
419 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-rda ${libgcj}"
422 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libiberty ${libgcj}"
425 # ld works, but does not support shared libraries.
426 # newlib is not 64 bit ready. I'm not sure about fileutils.
427 # gas doesn't generate exception information.
428 noconfigdirs="$noconfigdirs gas ld fileutils target-newlib target-libgloss"
431 noconfigdirs="$noconfigdirs gdb ld target-newlib target-libgloss ${libgcj}"
434 # newlib is not 64 bit ready
435 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
438 # newlib is not 64 bit ready
439 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
442 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
445 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
447 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
448 noconfigdirs="$noconfigdirs ${libgcj}"
449 noconfigdirs="$noconfigdirs target-examples"
450 noconfigdirs="$noconfigdirs target-libiberty texinfo send-pr"
451 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
452 noconfigdirs="$noconfigdirs expect dejagnu"
453 # the C++ libraries don't build on top of CE's C libraries
454 noconfigdirs="$noconfigdirs target-libstdc++-v3"
455 noconfigdirs="$noconfigdirs target-newlib"
457 *-*-cygwin*) ;; # keep gdb and readline
458 *) noconfigdirs="$noconfigdirs gdb readline"
463 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
467 arm-*-coff | strongarm-*-coff | xscale-*-coff)
468 noconfigdirs="$noconfigdirs ${libgcj}"
470 arm-*-elf* | strongarm-*-elf* | xscale-*-elf* | arm*-*-eabi* )
471 noconfigdirs="$noconfigdirs target-libffi target-qthreads"
474 noconfigdirs="$noconfigdirs ${libgcj} target-libiberty"
477 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
480 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
483 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
486 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
489 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
492 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
495 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
497 c54x*-*-* | tic54x-*-*)
498 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj} gcc gdb newlib"
501 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
504 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-mudflap ${libgcj}"
507 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
510 noconfigdirs="$noconfigdirs ${libgcj} gdb"
513 noconfigdirs="$noconfigdirs ${libgcj} gdb"
516 noconfigdirs="$noconfigdirs ${libgcj}"
519 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
522 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
524 hppa1.1-*-osf* | hppa1.1-*-bsd* )
526 hppa*64*-*-linux* | parisc*64*-*-linux*)
527 # In this case, it's because the hppa64-linux target is for
528 # the kernel only at this point and has no libc, and thus no
529 # headers, crt*.o, etc., all of which are needed by these.
530 noconfigdirs="$noconfigdirs target-zlib"
532 parisc*-*-linux* | hppa*-*-linux*)
538 noconfigdirs="$noconfigdirs ${libgcj}"
541 # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
542 # build on HP-UX 10.20.
543 noconfigdirs="$noconfigdirs ld shellutils ${libgcj}"
546 noconfigdirs="$noconfigdirs ${libgcj} gdb"
549 # No gdb support yet.
550 noconfigdirs="$noconfigdirs readline mmalloc libgui itcl gdb"
553 # No gdb or ld support yet.
554 noconfigdirs="$noconfigdirs ${libgcj} readline mmalloc libgui itcl gdb ld"
558 i[[3456789]]86-*-coff | i[[3456789]]86-*-elf)
559 noconfigdirs="$noconfigdirs ${libgcj}"
561 i[[3456789]]86-*-linux*)
562 # The GCC port for glibc1 has no MD_FALLBACK_FRAME_STATE_FOR, so let's
563 # not build java stuff by default.
566 noconfigdirs="$noconfigdirs ${libgcj}";;
569 # This section makes it possible to build newlib natively on linux.
570 # If we are using a cross compiler then don't configure newlib.
571 if test x${is_cross_compiler} != xno ; then
572 noconfigdirs="$noconfigdirs target-newlib"
574 noconfigdirs="$noconfigdirs target-libgloss"
575 # If we are not using a cross compiler, do configure newlib.
576 # Note however, that newlib will only be configured in this situation
577 # if the --with-newlib option has been given, because otherwise
578 # 'target-newlib' will appear in skipdirs.
580 i[[3456789]]86-*-mingw32*)
581 target_configdirs="$target_configdirs target-mingw"
582 noconfigdirs="$noconfigdirs expect target-libgloss ${libgcj}"
584 # Can't build gdb for mingw32 if not native.
586 i[[3456789]]86-*-mingw32) ;; # keep gdb tcl tk expect etc.
587 *) noconfigdirs="$noconfigdirs gdb tcl tk expect itcl gnuserv"
592 target_configdirs="$target_configdirs target-libtermcap target-winsup"
593 noconfigdirs="$noconfigdirs target-gperf target-libgloss ${libgcj}"
594 # always build newlib if winsup directory is present.
595 if test -d "$srcdir/winsup"; then
596 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
597 elif test -d "$srcdir/newlib"; then
598 echo "Warning: winsup is missing so newlib can't be built."
601 # Can't build gdb for Cygwin if not native.
603 *-*-cygwin*) ;; # keep gdb tcl tk expect etc.
604 *) noconfigdirs="$noconfigdirs gdb tcl tk expect itcl libgui gnuserv"
608 i[[3456789]]86-moss-msdos | i[[3456789]]86-*-moss* | \
609 i[[3456789]]86-*-uwin* | i[[3456789]]86-*-interix* )
612 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
614 i[[3456789]]86-*-sco3.2v5*)
615 # The linker does not yet know about weak symbols in COFF,
616 # and is not configured to handle mixed ELF and COFF.
617 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
619 i[[3456789]]86-*-sco*)
620 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
622 i[[3456789]]86-*-solaris2*)
623 noconfigdirs="$noconfigdirs target-libgloss"
625 i[[3456789]]86-*-sysv4*)
626 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
628 i[[3456789]]86-*-beos*)
629 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
632 noconfigdirs="$noconfigdirs ${libgcj}"
634 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
635 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
638 noconfigdirs="$noconfigdirs ${libgcj}"
641 noconfigdirs="$noconfigdirs ${libgcj}"
644 # The EPOC C++ environment does not support exceptions or rtti,
645 # and so building libstdc++-v3 tends not to always work.
646 noconfigdirs="$noconfigdirs target-libstdc++-v3"
649 noconfigdirs="$noconfigdirs ${libgcj} gdb libgloss target-libgfortran"
652 noconfigdirs="$noconfigdirs ${libgcj}"
655 noconfigdirs="$noconfigdirs ${libgcj}"
658 # copied from rs6000-*-* entry
659 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
661 powerpc*-*-winnt* | powerpc*-*-pe* | ppc*-*-pe)
662 target_configdirs="$target_configdirs target-winsup"
663 noconfigdirs="$noconfigdirs gdb tcl tk make expect target-libgloss itcl gnuserv ${libgcj}"
664 # always build newlib.
665 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
667 # This is temporary until we can link against shared libraries
668 powerpcle-*-solaris*)
669 noconfigdirs="$noconfigdirs gdb sim make tcl tk expect itcl gnuserv ${libgcj}"
672 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
675 noconfigdirs="$noconfigdirs ${libgcj}"
677 powerpc-*-eabi* | powerpcle-*-eabi* | powerpc-*-rtems* )
680 noconfigdirs="$noconfigdirs target-newlib gprof ${libgcj}"
683 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
686 noconfigdirs="$noconfigdirs gprof ${libgcj}"
689 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss ${libgcj}"
692 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
695 # Linking libjava exceeds command-line length limits on at least
696 # IRIX 6.2, but not on IRIX 6.5.
697 # Also, boehm-gc won't build on IRIX 6.5, according to Jeffrey Oldham
698 # <oldham@codesourcery.com>
699 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
702 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
705 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
708 noconfigdirs="$noconfigdirs gprof ${libgcj}" # same as generic mips
711 noconfigdirs="$noconfigdirs target-newlib ${libgcj}"
714 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
717 noconfigdirs="$noconfigdirs gprof ${libgcj}"
720 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes target-libgloss ${libgcj}"
724 i[[3456789]]86-*-vsta) ;; # don't add gprof back in
725 i[[3456789]]86-*-go32*) ;; # don't add gprof back in
726 i[[3456789]]86-*-msdosdjgpp*) ;; # don't add gprof back in
727 *) skipdirs=`echo " ${skipdirs} " | sed -e 's/ gprof / /'` ;;
729 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
732 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
735 noconfigdirs="$noconfigdirs ${libgcj}"
738 noconfigdirs="$noconfigdirs ${libgcj}"
741 noconfigdirs="$noconfigdirs ${libgcj}"
744 noconfigdirs="$noconfigdirs ${libgcj}"
745 if test x${is_cross_compiler} != xno ; then
746 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
751 sparc-*-solaris* | sparc64-*-solaris* | sparcv9-*-solaris*)
754 noconfigdirs="$noconfigdirs bfd binutils gas gcc gdb ld target-libstdc++-v3 opcodes target-libgloss ${libgcj}"
757 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
760 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
763 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
766 noconfigdirs="$noconfigdirs bfd binutils gdb ld target-newlib opcodes target-libgloss ${libgcj}"
769 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
772 noconfigdirs="$noconfigdirs ${libgcj}"
775 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
777 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu)
778 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
781 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
784 noconfigdirs="$noconfigdirs ${libgcj}"
788 # If we aren't building newlib, then don't build libgloss, since libgloss
789 # depends upon some newlib header files.
790 case "${noconfigdirs}" in
791 *target-libgloss*) ;;
792 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
795 # Work in distributions that contain no compiler tools, like Autoconf.
797 host_makefile_frag=/dev/null
798 if test -d ${srcdir}/config ; then
801 # Avoid "too much defining" errors from HPUX compiler.
802 tentative_cc="cc -Wp,-H256000"
803 # If "ar" in $PATH is GNU ar, the symbol table may need rebuilding.
804 # If it's HP/UX ar, this should be harmless.
808 tentative_cc="cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DUSG"
811 #None of the Apollo compilers can compile gas or binutils. The preprocessor
812 # chokes on bfd, the compiler won't let you assign integers to enums, and
813 # other problems. Defining CC to gcc is a questionable way to say "don't use
814 # the apollo compiler" (the preferred version of GCC could be called cc,
815 # or whatever), but I'm not sure leaving CC as cc is any better...
816 #CC=cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DNO_STDARG
817 # Used to have BISON=yacc.
821 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
824 # Under CX/UX, we want to tell the compiler to use ANSI mode.
825 tentative_cc="cc -Xa"
826 host_makefile_frag="config/mh-cxux"
831 tentative_cc="cc -Wf,-XNg1000"
832 host_makefile_frag="config/mh-decstation"
835 # The C compiler on NEC MIPS SVR4 needs bigger tables.
836 tentative_cc="cc -ZXNd=5000 -ZXNg=1000"
837 host_makefile_frag="config/mh-necv4"
840 # Tell compiler to use K&R C. We can't compile under the SGI Ansi
841 # environment. Also bump switch table size so that cp-parse will
842 # compile. Bump string length limit so linker builds.
843 tentative_cc="cc -cckr -Wf,-XNg1500 -Wf,-XNk1000 -Wf,-XNh2000 -Wf,-XNl8192"
846 host_makefile_frag="config/mh-sysv4"
849 # This is for a MIPS running RISC/os 4.52C.
851 # This is needed for GDB, but needs to be in the top-level make because
852 # if a library is compiled with the bsd headers and gets linked with the
853 # sysv system libraries all hell can break loose (e.g. a jmp_buf might be
855 # ptrace(2) apparently has problems in the BSD environment. No workaround is
856 # known except to select the sysv environment. Could we use /proc instead?
857 # These "sysv environments" and "bsd environments" often end up being a pain.
859 # This is not part of CFLAGS because perhaps not all C compilers have this
861 tentative_cc="cc -systype sysv"
866 i[[3456789]]86-*-sysv5*)
867 host_makefile_frag="config/mh-sysv5"
869 i[[3456789]]86-*-dgux*)
870 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
871 host_makefile_frag="config/mh-dgux386"
873 i[[3456789]]86-ncr-sysv4.3*)
874 # The MetaWare compiler will generate a copyright message unless you
875 # turn it off by adding the -Hnocopyr flag.
876 tentative_cc="cc -Hnocopyr"
878 i[[3456789]]86-ncr-sysv4*)
879 # for an NCR 3000 (i486/SVR4) system.
880 # The NCR 3000 ships with a MetaWare compiler installed as /bin/cc.
881 # This compiler not only emits obnoxious copyright messages every time
882 # you run it, but it chokes and dies on a whole bunch of GNU source
883 # files. Default to using the AT&T compiler installed in /usr/ccs/ATT/cc.
884 tentative_cc="/usr/ccs/ATT/cc"
885 host_makefile_frag="config/mh-ncr3000"
887 i[[3456789]]86-*-sco3.2v5*)
889 i[[3456789]]86-*-sco*)
890 # The native C compiler botches some simple uses of const. Unfortunately,
891 # it doesn't defined anything like "__sco__" for us to test for in ansidecl.h.
892 tentative_cc="cc -Dconst="
893 host_makefile_frag="config/mh-sco"
895 i[[3456789]]86-*-udk*)
896 host_makefile_frag="config/mh-sysv5"
898 i[[3456789]]86-*-solaris2*)
899 host_makefile_frag="config/mh-sysv4"
901 i[[3456789]]86-*-msdosdjgpp*)
902 host_makefile_frag="config/mh-djgpp"
905 host_makefile_frag="config/mh-cygwin"
908 host_makefile_frag="config/mh-mingw32"
911 host_makefile_frag="config/mh-interix"
914 # The old BSD pcc isn't up to compiling parts of gdb so use gcc
918 host_makefile_frag="config/mh-solaris"
921 # Sun's C compiler needs the -J flag to be able to compile cp-parse.c
922 # without overflowing the jump tables (-J says to use a 32 bit table)
926 tentative_cc="cc -Wp,-H256000"
929 tentative_cc="cc -Wp,-H256000"
932 # /bin/cc is less than useful for our purposes. Always use GCC
933 tentative_cc="/usr/cygnus/progressive/bin/gcc"
934 host_makefile_frag="config/mh-lynxrs6k"
937 host_makefile_frag="config/mh-ppc-darwin"
940 # /bin/cc is less than useful for our purposes. Always use GCC
941 tentative_cc="/bin/gcc"
944 host_makefile_frag="config/mh-sysv4"
946 # This is placed last to prevent interfering with the cases above.
948 # Build the stage2 and stage3 compilers with -fomit-frame-pointer.
949 host_makefile_frag="config/mh-x86omitfp"
954 # If we aren't going to be using gcc, see if we can extract a definition
955 # of CC from the fragment.
956 # Actually, use the 'pre-extracted' version above.
957 if test -z "${CC}" && test "${build}" = "${host}" ; then
958 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
961 test -z "$dir" && dir=.
962 if test -f $dir/gcc; then
968 if test -z "${found}" && test -n "${tentative_cc}" ; then
973 if test "${build}" != "${host}" ; then
974 # If we are doing a Canadian Cross, in which the host and build systems
975 # are not the same, we set reasonable default values for the tools.
977 CC=${CC-${host_alias}-gcc}
978 CFLAGS=${CFLAGS-"-g -O2"}
979 CXX=${CXX-${host_alias}-c++}
980 CXXFLAGS=${CXXFLAGS-"-g -O2"}
981 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
982 CC_FOR_TARGET=${CC_FOR_TARGET-${target_alias}-gcc}
983 CXX_FOR_TARGET=${CXX_FOR_TARGET-${target_alias}-c++}
984 GCJ_FOR_TARGET=${GCJ_FOR_TARGET-${target_alias}-gcj}
985 GCC_FOR_TARGET=${GCC_FOR_TARGET-${CC_FOR_TARGET-${target_alias}-gcc}}
986 BUILD_PREFIX=${build_alias}-
987 BUILD_PREFIX_1=${build_alias}-
990 # Set reasonable default values for some tools even if not Canadian.
991 # Of course, these are different reasonable default values, originally
992 # specified directly in the Makefile.
993 # We don't export, so that autoconf can do its job.
994 # Note that all these settings are above the fragment inclusion point
995 # in Makefile.in, so can still be overridden by fragments.
996 # This is all going to change when we autoconfiscate...
998 CC_FOR_BUILD="\$(CC)"
999 GCC_FOR_TARGET="\$(USUAL_GCC_FOR_TARGET)"
1001 BUILD_PREFIX_1=loser-
1005 # We must set the default linker to the linker used by gcc for the correct
1006 # operation of libtool. If LD is not defined and we are using gcc, try to
1007 # set the LD default to the ld used by gcc.
1008 if test -z "$LD"; then
1009 if test "$GCC" = yes; then
1012 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1014 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1016 case $gcc_prog_ld in
1017 # Accept absolute paths.
1018 [[\\/]* | [A-Za-z]:[\\/]*)]
1019 LD="$gcc_prog_ld" ;;
1025 CFLAGS=${CFLAGS-"-g"}
1026 CXXFLAGS=${CXXFLAGS-"-g -O2"}
1030 ACX_PROG_CMP_IGNORE_INITIAL
1032 # Check for GMP and MPFR
1036 # Specify a location for mpfr
1037 # check for this first so it ends up on the link line before gmp.
1038 AC_ARG_WITH(mpfr-dir, [ --with-mpfr-dir=PATH Specify source directory for MPFR library])
1040 if test "x$with_mpfr_dir" != x; then
1041 gmpinc="-I$with_mpfr_dir/mpfr"
1042 gmplibs="$with_mpfr_dir/libmpfr.a"
1047 AC_ARG_WITH(mpfr, [ --with-mpfr=PATH Specify directory for installed MPFR library])
1049 if test "x$with_mpfr" != x; then
1050 gmplibs="-L$with_mpfr/lib $gmplibs"
1051 gmpinc="-I$with_mpfr/include"
1054 # Specify a location for gmp
1055 AC_ARG_WITH(gmp-dir, [ --with-gmp-dir=PATH Specify source directory for GMP library])
1057 if test "x$with_gmp_dir" != x; then
1058 gmpinc="$gmpinc -I$with_gmp_dir"
1059 if test -f "$with_gmp_dir/.libs/libgmp.a"; then
1060 gmplibs="$gmplibs $with_gmp_dir/.libs/libgmp.a"
1061 elif test -f "$with_gmp_dir/_libs/libgmp.a"; then
1062 gmplibs="$gmplibs $with_gmp_dir/_libs/libgmp.a"
1064 # One of the later tests will catch the error if neither library is present.
1066 gmplibs="$gmplibs -lgmp"
1069 AC_ARG_WITH(gmp, [ --with-gmp=PATH Specify directory for installed GMP library])
1071 if test "x$with_gmp" != x; then
1072 gmplibs="-L$with_gmp/lib $gmplibs"
1073 gmpinc="-I$with_gmp/include $gmpinc"
1076 saved_CFLAGS="$CFLAGS"
1077 CFLAGS="$CFLAGS $gmpinc"
1078 # Check GMP actually works
1079 AC_MSG_CHECKING([for correct version of gmp.h])
1080 AC_TRY_COMPILE([#include "gmp.h"],[
1081 #if __GNU_MP_VERSION < 3
1084 ], [AC_MSG_RESULT([yes])],
1085 [AC_MSG_RESULT([no]); have_gmp=no])
1087 if test x"$have_gmp" = xyes; then
1088 AC_MSG_CHECKING([for MPFR])
1091 LIBS="$LIBS $gmplibs"
1092 AC_TRY_LINK([#include <gmp.h>
1093 #include <mpfr.h>], [mpfr_t n; mpfr_init(n);],
1094 [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1096 CFLAGS="$saved_CFLAGS"
1099 # Flags needed for both GMP and/or MPFR
1103 # By default, C is the only stage 1 language.
1105 AC_SUBST(stage1_languages)
1107 # Figure out what language subdirectories are present.
1108 # Look if the user specified --enable-languages="..."; if not, use
1109 # the environment variable $LANGUAGES if defined. $LANGUAGES might
1111 # NB: embedded tabs in this IF block -- do not untabify
1112 if test -d ${srcdir}/gcc; then
1113 if test x"${enable_languages+set}" != xset; then
1114 if test x"${LANGUAGES+set}" = xset; then
1115 enable_languages="${LANGUAGES}"
1116 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1118 enable_languages=all
1121 if test x"${enable_languages}" = x ||
1122 test x"${enable_languages}" = xyes;
1124 echo configure.in: --enable-languages needs at least one language argument 1>&2
1128 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1130 # First scan to see if an enabled language requires some other language.
1131 # We assume that a given config-lang.in will list all the language
1132 # front ends it requires, even if some are required indirectly.
1133 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1134 case ${lang_frag} in
1136 # The odd quoting in the next line works around
1137 # an apparent bug in bash 1.12 on linux.
1138 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1140 # From the config-lang.in, get $language, $lang_requires
1144 for other in ${lang_requires} ; do
1145 case ,${enable_languages}, in
1149 echo " \`$other' language required by \`$language'; enabling" 1>&2
1150 enable_languages="${enable_languages},${other}"
1158 new_enable_languages=c
1159 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
1160 potential_languages=c
1162 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1163 case ${lang_frag} in
1165 # The odd quoting in the next line works around
1166 # an apparent bug in bash 1.12 on linux.
1167 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1169 # From the config-lang.in, get $language, $target_libs,
1170 # $lang_dirs, $boot_language, and $build_by_default
1178 potential_languages="${potential_languages},${language}"
1179 # This is quite sensitive to the ordering of the case statement arms.
1180 case ,${enable_languages},:${language}:${have_gnat}:${build_by_default} in
1182 echo "${lang_frag} doesn't set \$language." 1>&2
1186 # Ada was requested with no preexisting GNAT. Disable unconditionally.
1189 *,${language},*:*:*:*)
1190 # Language was explicitly selected; include it.
1194 # 'all' was selected, but this is not a default language
1195 # so do not include it.
1199 # 'all' was selected and this is a default language; include it.
1207 # Disable languages that need GMP if it isn't available.
1208 case ,${enable_languages},:${have_gmp}:${need_gmp} in
1209 *,${language},*:no:yes)
1210 # Specifically requested language; tell them.
1211 AC_MSG_ERROR([GMP with MPFR support is required to build $language])
1219 case $add_this_lang in
1221 # Remove language-dependent dirs.
1222 eval noconfigdirs='"$noconfigdirs "'\"$target_libs $lang_dirs\"
1225 new_enable_languages="$new_enable_languages,$language"
1226 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
1227 case ${boot_language} in
1229 # Add to (comma-separated) list of stage 1 languages.
1230 stage1_languages="${stage1_languages},${language}"
1239 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
1240 if test "x$missing_languages" != x; then
1242 The following requested languages were not found: ${missing_languages}
1243 The available languages are: ${potential_languages}])
1246 if test "x$new_enable_languages" != "x$enable_languages"; then
1247 echo The following languages will be built: ${new_enable_languages}
1249 enable_languages="$new_enable_languages"
1250 ac_configure_args=`echo " $ac_configure_args" | sed -e 's/ --enable-languages=[[^ ]]*//' -e 's/$/ --enable-languages='"$enable_languages"/ `
1253 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
1254 # $build_configdirs and $target_configdirs.
1255 # If we have the source for $noconfigdirs entries, add them to $notsupp.
1258 for dir in . $skipdirs $noconfigdirs ; do
1259 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
1260 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1261 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
1262 if test -r $srcdir/$dirname/configure ; then
1263 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1266 notsupp="$notsupp $dir"
1270 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1271 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"`
1272 if test -r $srcdir/$dirname/configure ; then
1273 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1276 notsupp="$notsupp $dir"
1280 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1281 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
1282 if test -r $srcdir/$dirname/configure ; then
1283 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1286 notsupp="$notsupp $dir"
1292 # Sometimes the tools are distributed with libiberty but with no other
1293 # libraries. In that case, we don't want to build target-libiberty.
1294 if test -n "${target_configdirs}" ; then
1296 for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do
1297 if test "$i" != "libiberty" ; then
1298 if test -r $srcdir/$i/configure ; then
1304 if test -z "${others}" ; then
1309 # Quietly strip out all directories which aren't configurable in this tree.
1310 # This relies on all configurable subdirectories being autoconfiscated, which
1312 build_configdirs_all="$build_configdirs"
1314 for i in ${build_configdirs_all} ; do
1315 j=`echo $i | sed -e s/build-//g`
1316 if test -f ${srcdir}/$j/configure ; then
1317 build_configdirs="${build_configdirs} $i"
1321 configdirs_all="$configdirs"
1323 for i in ${configdirs_all} ; do
1324 if test -f ${srcdir}/$i/configure ; then
1325 configdirs="${configdirs} $i"
1329 target_configdirs_all="$target_configdirs"
1331 for i in ${target_configdirs_all} ; do
1332 j=`echo $i | sed -e s/target-//g`
1333 if test -f ${srcdir}/$j/configure ; then
1334 target_configdirs="${target_configdirs} $i"
1338 # Produce a warning message for the subdirs we can't configure.
1339 # This isn't especially interesting in the Cygnus tree, but in the individual
1340 # FSF releases, it's important to let people know when their machine isn't
1341 # supported by the one or two programs in a package.
1343 if test -n "${notsupp}" && test -z "${norecursion}" ; then
1344 # If $appdirs is non-empty, at least one of those directories must still
1345 # be configured, or we error out. (E.g., if the gas release supports a
1346 # specified target in some subdirs but not the gas subdir, we shouldn't
1347 # pretend that all is well.)
1348 if test -n "$appdirs" ; then
1349 for dir in $appdirs ; do
1350 if test -r $dir/Makefile.in ; then
1351 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1355 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
1361 if test -n "$appdirs" ; then
1362 echo "*** This configuration is not supported by this package." 1>&2
1366 # Okay, some application will build, or we don't care to check. Still
1367 # notify of subdirs not getting built.
1368 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
1369 echo " ${notsupp}" 1>&2
1370 echo " (Any other directories should still work fine.)" 1>&2
1380 # Handle --with-headers=XXX. If the value is not "yes", the contents of
1381 # the named directory are copied to $(tooldir)/sys-include.
1382 if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
1383 if test x${is_cross_compiler} = xno ; then
1384 echo 1>&2 '***' --with-headers is only supported when cross compiling
1387 if test x"${with_headers}" != xyes ; then
1388 case "${exec_prefixoption}" in
1390 *) x=${exec_prefix} ;;
1392 copy_dirs="${copy_dirs} ${with_headers} $x/${target_alias}/sys-include"
1396 # Handle --with-libs=XXX. If the value is not "yes", the contents of
1397 # the name directories are copied to $(tooldir)/lib. Multiple directories
1399 if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
1400 if test x${is_cross_compiler} = xno ; then
1401 echo 1>&2 '***' --with-libs is only supported when cross compiling
1404 if test x"${with_libs}" != xyes ; then
1405 # Copy the libraries in reverse order, so that files in the first named
1406 # library override files in subsequent libraries.
1407 case "${exec_prefixoption}" in
1409 *) x=${exec_prefix} ;;
1411 for l in ${with_libs}; do
1412 copy_dirs="$l $x/${target_alias}/lib ${copy_dirs}"
1417 # Handle ${copy_dirs}
1418 set fnord ${copy_dirs}
1420 while test $# != 0 ; do
1421 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
1424 echo Copying $1 to $2
1426 # Use the install script to create the directory and all required
1427 # parent directories.
1428 if test -d $2 ; then
1432 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
1435 # Copy the directory, assuming we have tar.
1436 # FIXME: Should we use B in the second tar? Not all systems support it.
1437 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
1439 # It is the responsibility of the user to correctly adjust all
1440 # symlinks. If somebody can figure out how to handle them correctly
1441 # here, feel free to add the code.
1448 extra_arflags_for_target=
1449 extra_nmflags_for_target=
1450 extra_ranlibflags_for_target=
1451 target_makefile_frag=/dev/null
1454 target_makefile_frag="config/mt-netware"
1456 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu)
1457 target_makefile_frag="config/mt-gnu"
1459 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
1460 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
1461 # commands to handle both 32-bit and 64-bit objects. These flags are
1462 # harmless if we're using GNU nm or ar.
1463 extra_arflags_for_target=" -X32_64"
1464 extra_nmflags_for_target=" -B -X32_64"
1467 # ranlib from Darwin requires the -c flag to look at common symbols.
1468 extra_ranlibflags_for_target=" -c"
1470 mips*-*-pe | sh*-*-pe | *arm-wince-pe)
1471 target_makefile_frag="config/mt-wince"
1475 alphaieee_frag=/dev/null
1478 # This just makes sure to use the -mieee option to build target libs.
1479 # This should probably be set individually by each library.
1480 alphaieee_frag="config/mt-alphaieee"
1484 # If --enable-target-optspace always use -Os instead of -O2 to build
1485 # the target libraries, similarly if it is not specified, use -Os
1486 # on selected platforms.
1487 ospace_frag=/dev/null
1488 case "${enable_target_optspace}:${target}" in
1490 ospace_frag="config/mt-ospace"
1493 ospace_frag="config/mt-d30v"
1495 :m32r-* | :d10v-* | :fr30-*)
1496 ospace_frag="config/mt-ospace"
1501 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
1505 # Set with_gnu_as and with_gnu_ld as appropriate.
1507 # This is done by determining whether or not the appropriate directory
1508 # is available, and by checking whether or not specific configurations
1509 # have requested that this magic not happen.
1511 # The command line options always override the explicit settings in
1512 # configure.in, and the settings in configure.in override this magic.
1514 # If the default for a toolchain is to use GNU as and ld, and you don't
1515 # want to do that, then you should use the --without-gnu-as and
1516 # --without-gnu-ld options for the configure script.
1518 if test x${use_gnu_as} = x &&
1519 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
1521 extra_host_args="$extra_host_args --with-gnu-as"
1524 if test x${use_gnu_ld} = x &&
1525 echo " ${configdirs} " | grep " ld " > /dev/null 2>&1 ; then
1527 extra_host_args="$extra_host_args --with-gnu-ld"
1530 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
1531 # can detect this case.
1533 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
1535 extra_host_args="$extra_host_args --with-newlib"
1538 # Default to using --with-stabs for certain targets.
1539 if test x${with_stabs} = x ; then
1541 mips*-*-irix[[56]]*)
1543 mips*-*-* | alpha*-*-osf*)
1545 extra_host_args="${extra_host_args} --with-stabs"
1550 # hpux11 in 64bit mode has libraries in a weird place. Arrange to find
1551 # them automatically.
1554 extra_host_args="$extra_host_args -x-libraries=/usr/lib/pa20_64 -x-includes=/usr/X11R6/include"
1558 # Some systems (e.g., one of the i386-aix systems the gas testers are
1559 # using) don't handle "\$" correctly, so don't use it here.
1560 tooldir='${exec_prefix}'/${target_alias}
1561 build_tooldir=${tooldir}
1563 # Generate default definitions for YACC, M4, LEX and other programs that run
1564 # on the build machine. These are used if the Makefile can't locate these
1565 # programs in objdir.
1566 MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
1567 AC_CHECK_PROGS([CONFIGURED_BISON], [bison], [$MISSING bison])
1568 AC_CHECK_PROGS([CONFIGURED_YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
1569 AC_CHECK_PROGS([CONFIGURED_M4], [gm4 gnum4 m4], [$MISSING m4])
1570 AC_CHECK_PROGS([CONFIGURED_FLEX], [flex], [$MISSING flex])
1571 AC_CHECK_PROGS([CONFIGURED_LEX], [flex lex], [$MISSING flex])
1572 AC_CHECK_PROGS([CONFIGURED_MAKEINFO], makeinfo, [$MISSING makeinfo])
1574 # Create a .gdbinit file which runs the one in srcdir
1575 # and tells GDB to look there for source files.
1577 if test -r ${srcdir}/.gdbinit ; then
1580 *) cat > ./.gdbinit <<EOF
1584 source ${srcdir}/.gdbinit
1590 # Make sure that the compiler is able to generate an executable. If it
1591 # can't, we are probably in trouble. We don't care whether we can run the
1592 # executable--we might be using a cross compiler--we only care whether it
1593 # can be created. At this point the main configure script has set CC.
1595 echo "int main () { return 0; }" > conftest.c
1596 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
1597 if test $? = 0 ; then
1598 if test -s conftest || test -s conftest.exe ; then
1604 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
1605 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
1612 # The Solaris /usr/ucb/cc compiler does not appear to work.
1614 sparc-sun-solaris2*)
1615 CCBASE="`echo ${CC-cc} | sed 's/ .*$//'`"
1616 if test "`type $CCBASE | sed 's/^[[^/]]*//'`" = "/usr/ucb/cc" ; then
1618 test -d /opt/SUNWspro/bin && could_use="/opt/SUNWspro/bin"
1619 if test -d /opt/cygnus/bin ; then
1620 if test "$could_use" = "" ; then
1621 could_use="/opt/cygnus/bin"
1623 could_use="$could_use or /opt/cygnus/bin"
1626 if test "$could_use" = "" ; then
1627 echo "Warning: compilation may fail because you're using"
1628 echo "/usr/ucb/cc. You should change your PATH or CC "
1629 echo "variable and rerun configure."
1631 echo "Warning: compilation may fail because you're using"
1632 echo "/usr/ucb/cc, when you should use the C compiler from"
1633 echo "$could_use. You should change your"
1634 echo "PATH or CC variable and rerun configure."
1640 # If no --enable-shared nor --disable-shared is specified, we set up
1641 # LD_LIBRARY_PATH when we build for gcc.
1642 case $enable_shared in
1644 if test -d ${srcdir}/gcc; then
1651 set_lib_path=$enable_shared
1655 # If --enable-shared was set, we must set LD_LIBRARY_PATH so that the
1656 # binutils tools will find libbfd.so.
1657 case "${set_lib_path}" in
1658 no) SET_LIB_PATH= ;;
1659 *) SET_LIB_PATH="\$(REALLY_SET_LIB_PATH)" ;;
1663 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
1664 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
1667 # Record target_configdirs and the configure arguments for target and
1668 # build configuration in Makefile.
1669 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
1670 build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
1672 # Determine whether gdb needs tk/tcl or not.
1673 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
1674 # and in that case we want gdb to be built without tk. Ugh!
1675 # In fact I believe gdb is the *only* package directly dependent on tk,
1676 # so we should be able to put the 'maybe's in unconditionally and
1677 # leave out the maybe dependencies when enable_gdbtk is false. I'm not
1678 # 100% sure that that's safe though.
1680 gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
1681 case "$enable_gdbtk" in
1685 GDB_TK="${gdb_tk}" ;;
1687 # Only add the dependency on gdbtk when GDBtk is part of the gdb
1688 # distro. Eventually someone will fix this and move Insight, nee
1689 # gdbtk to a separate directory.
1690 if test -d ${srcdir}/gdb/gdbtk ; then
1698 # Strip out unwanted targets.
1700 # While at that, we remove Makefiles if we were started for recursive
1701 # configuration, so that the top-level Makefile reconfigures them,
1702 # like we used to do when configure itself was recursive.
1704 # Loop over modules. $extrasub must be used with care, limiting as
1705 # much as possible the usage of range addresses. That's because autoconf
1706 # splits the sed script to overcome limits in the number of commands,
1707 # and relying on carefully-timed sed passes may turn out to be very hard
1708 # to maintain later. In this particular case, you just have to be careful
1709 # not to nest @if/@endif pairs, because configure will not warn you at all.
1711 AC_ARG_ENABLE([bootstrap],
1712 [ --enable-bootstrap[=lean] Enable bootstrapping [no]],,
1713 enable_bootstrap=default)
1715 # Issue errors and warnings for invalid/strange bootstrap combinations.
1716 case "$configdirs" in
1717 *gcc*) have_compiler=yes ;;
1718 *) have_compiler=no ;;
1721 case "$have_compiler:$host:$target:$enable_bootstrap" in
1724 # Default behavior. (We'll) enable bootstrap if we have a compiler
1725 # and we are in a native configuration.
1726 yes:$build:$build:default)
1727 # This will become 'yes'
1728 enable_bootstrap=no ;;
1731 enable_bootstrap=no ;;
1733 # We have a compiler and we are in a native configuration, bootstrap is ok
1734 yes:$build:$build:yes | yes:$build:$build:lean)
1737 # Other configurations, but we have a compiler. Assume the user knows
1739 yes:*:*:yes | yes:*:*:lean)
1740 AC_MSG_WARN([trying to bootstrap a cross compiler])
1743 # No compiler: if they passed --enable-bootstrap explicitly, fail
1744 no:*:*:yes | no:*:*:lean)
1745 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
1747 # Fail if wrong command line
1749 AC_MSG_ERROR([invalid option for --enable-bootstrap])
1753 # Adjust the toplevel makefile according to whether bootstrap was selected.
1754 case "$enable_bootstrap" in
1757 default_target=bootstrap
1758 bootstrap_suffix=bootstrap ;;
1761 default_target=bootstrap
1762 bootstrap_suffix=bootstrap ;;
1765 bootstrap_suffix=no-bootstrap ;;
1767 AC_SUBST(bootstrap_lean)
1768 AC_SUBST(default_target)
1770 for module in ${build_configdirs} ; do
1771 if test -z "${no_recursion}" \
1772 && test -f ${build_subdir}/${module}/Makefile; then
1773 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
1774 rm -f ${build_subdir}/${module}/Makefile
1777 /^@if build-$module\$/d
1778 /^@endif build-$module\$/d
1779 /^@if build-$module-$bootstrap_suffix\$/d
1780 /^@endif build-$module-$bootstrap_suffix\$/d"
1782 for module in ${configdirs} ; do
1783 if test -z "${no_recursion}" \
1784 && test -f ${module}/Makefile; then
1785 echo 1>&2 "*** removing ${module}/Makefile to force reconfigure"
1786 rm -f ${module}/Makefile
1790 /^@endif $module\$/d
1791 /^@if $module-$bootstrap_suffix\$/d
1792 /^@endif $module-$bootstrap_suffix\$/d"
1794 for module in ${target_configdirs} ; do
1795 if test -z "${no_recursion}" \
1796 && test -f ${target_subdir}/${module}/Makefile; then
1797 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
1798 rm -f ${target_subdir}/${module}/Makefile
1801 /^@if target-$module\$/d
1802 /^@endif target-$module\$/d
1803 /^@if target-$module-$bootstrap_suffix\$/d
1804 /^@endif target-$module-$bootstrap_suffix\$/d"
1808 /^@if /,/^@endif /d"
1810 # Create the serialization dependencies. This uses a temporary file.
1812 AC_ARG_ENABLE([serial-configure],
1813 [ --enable-serial-[{host,target,build}-]configure
1814 Force sequential configuration of
1815 sub-packages for the host, target or build
1816 machine, or all sub-packages])
1818 case ${enable_serial_configure} in
1820 enable_serial_build_configure=yes
1821 enable_serial_host_configure=yes
1822 enable_serial_target_configure=yes
1826 # These force 'configure's to be done one at a time, to avoid problems
1827 # with contention over a shared config.cache.
1829 echo '# serdep.tmp' > serdep.tmp
1831 test "x${enable_serial_build_configure}" = xyes &&
1832 for item in ${build_configdirs} ; do
1835 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
1840 test "x${enable_serial_host_configure}" = xyes &&
1841 for item in ${configdirs} ; do
1844 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
1849 test "x${enable_serial_target_configure}" = xyes &&
1850 for item in ${target_configdirs} ; do
1853 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
1857 serialization_dependencies=serdep.tmp
1858 AC_SUBST_FILE(serialization_dependencies)
1860 # Base args. Strip norecursion, cache-file, srcdir, host, build,
1861 # target and nonopt. These are the ones we might not want to pass
1862 # down to subconfigures. Also strip program-prefix, program-suffix,
1863 # and program-transform-name, so that we can pass down a consistent
1864 # program-transform-name. If autoconf has put single quotes around
1865 # any of these arguments (because they contain shell metacharacters)
1866 # then this will fail; in practice this only happens for
1867 # --program-transform-name, so be sure to override --program-transform-name
1868 # at the end of the argument list.
1869 # These will be expanded by make, so quote '$'.
1870 cat <<\EOF_SED > conftestsed
1872 s/ --c[[a-z-]]*[[= ]][[^ ]]*//g
1873 s/ --sr[[a-z-]]*[[= ]][[^ ]]*//g
1874 s/ --ho[[a-z-]]*[[= ]][[^ ]]*//g
1875 s/ --bu[[a-z-]]*[[= ]][[^ ]]*//g
1876 s/ --t[[a-z-]]*[[= ]][[^ ]]*//g
1877 s/ --program-[[pst]][[a-z-]]*[[= ]][[^ ]]*//g
1878 s/ -cache-file[[= ]][[^ ]]*//g
1879 s/ -srcdir[[= ]][[^ ]]*//g
1880 s/ -host[[= ]][[^ ]]*//g
1881 s/ -build[[= ]][[^ ]]*//g
1882 s/ -target[[= ]][[^ ]]*//g
1883 s/ -program-prefix[[= ]][[^ ]]*//g
1884 s/ -program-suffix[[= ]][[^ ]]*//g
1885 s/ -program-transform-name[[= ]][[^ ]]*//g
1886 s/ [[^' -][^ ]*] / /
1890 sed -f conftestsed <<EOF_SED > conftestsed.out
1891 ${ac_configure_args}
1893 baseargs=`cat conftestsed.out`
1894 rm -f conftestsed conftestsed.out
1896 # Add in --program-transform-name, after --program-prefix and
1897 # --program-suffix have been applied to it. Autoconf has already
1898 # doubled dollar signs and backslashes in program_transform_name; we want
1899 # the backslashes un-doubled, and then the entire thing wrapped in single
1900 # quotes, because this will be expanded first by make and then by the shell.
1901 # Also, because we want to override the logic in subdir configure scripts to
1902 # choose program_transform_name, replace any s,x,x, with s,y,y,.
1903 sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
1904 ${program_transform_name}
1906 gcc_transform_name=`cat conftestsed.out`
1907 rm -f conftestsed.out
1908 baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
1910 # For the build-side libraries, we just need to pretend we're native,
1911 # and not use the same cache file. Multilibs are neither needed nor
1913 build_configargs="--cache-file=../config.cache --build=${build_alias} --host=${build_alias} --target=${target_alias} ${baseargs}"
1915 # For host modules, accept cache file option, or specification as blank.
1916 case "${cache_file}" in
1918 cache_file_option="" ;;
1919 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
1920 cache_file_option="--cache-file=${cache_file}" ;;
1922 cache_file_option="--cache-file=../${cache_file}" ;;
1925 # Host dirs don't like to share a cache file either, horribly enough.
1926 # This seems to be due to autoconf 2.5x stupidity.
1927 host_configargs="--cache-file=./config.cache --build=${build_alias} --host=${host_alias} --target=${target_alias} ${extra_host_args} ${baseargs}"
1929 target_configargs=${baseargs}
1931 # Passing a --with-cross-host argument lets the target libraries know
1932 # whether they are being built with a cross-compiler or being built
1933 # native. However, it would be better to use other mechanisms to make the
1934 # sorts of decisions they want to make on this basis. Please consider
1935 # this option to be deprecated. FIXME.
1936 if test x${is_cross_compiler} = xyes ; then
1937 target_configargs="--with-cross-host=${host_alias} ${target_configargs}"
1940 # Default to --enable-multilib.
1941 if test x${enable_multilib} = x ; then
1942 target_configargs="--enable-multilib ${target_configargs}"
1945 # Pass --with-newlib if appropriate. Note that target_configdirs has
1946 # changed from the earlier setting of with_newlib.
1947 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
1948 target_configargs="--with-newlib ${target_configargs}"
1951 # Different target subdirs use different values of certain variables
1952 # (notably CXX). Worse, multilibs use *lots* of different values.
1953 # Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
1954 # it doesn't automatically accept command-line overrides of them.
1955 # This means it's not safe for target subdirs to share a cache file,
1956 # which is disgusting, but there you have it. Hopefully this can be
1957 # fixed in future. It's still worthwhile to use a cache file for each
1958 # directory. I think.
1960 # Pass the appropriate --host, --build, and --cache-file arguments.
1961 target_configargs="--cache-file=./config.cache --host=${target_alias} --build=${build_alias} ${target_configargs}"
1963 # provide a proper gxx_include_dir.
1964 # Note, if you change the default, make sure to fix both here and in
1965 # the gcc and libstdc++-v3 subdirectories.
1966 # Check whether --with-gxx-include-dir or --without-gxx-include-dir was given.
1967 case "${with_gxx_include_dir}" in
1969 AC_MSG_ERROR([--with-gxx-include-dir=[[dir]] requires a directory])
1972 case "${enable_version_specific_runtime_libs}" in
1973 yes) gxx_include_dir='${libsubdir}/include/c++' ;;
1975 . ${srcdir}/config.if
1976 gxx_include_dir='${prefix}/include/'${libstdcxx_incdir} ;;
1978 *) gxx_include_dir=${with_gxx_include_dir} ;;
1982 case " $target_configdirs " in
1984 case " $target_configargs " in
1985 *" --with-newlib "*)
1988 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 $$s/winsup/w32api/include' ;;
1991 # If we're not building GCC, don't discard standard headers.
1992 if test -d ${srcdir}/gcc; then
1993 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
1995 if test "${build}" != "${host}"; then
1996 # On Canadian crosses, CC_FOR_TARGET will have already been set
1997 # by `configure', so we won't have an opportunity to add -Bgcc/
1998 # to it. This is right: we don't want to search that directory
1999 # for binaries, but we want the header files in there, so add
2001 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/gcc/include'
2003 # Someone might think of using the pre-installed headers on
2004 # Canadian crosses, in case the installed compiler is not fully
2005 # compatible with the compiler being built. In this case, it
2006 # would be better to flag an error than risking having
2007 # incompatible object files being constructed. We can't
2008 # guarantee that an error will be flagged, but let's hope the
2009 # compiler will do it, when presented with incompatible header
2014 case "${target}-${is_cross_compiler}" in
2015 i[[3456789]]86-*-linux*-no)
2016 # Here host == target, so we don't need to build gcc,
2017 # so we don't want to discard standard headers.
2018 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
2021 # If we're building newlib, use its generic headers last, but search
2022 # for any libc-related directories first (so make it the last -B
2024 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
2032 # Allow the user to override the flags for
2033 # our build compiler if desired.
2034 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
2036 # On Canadian crosses, we'll be searching the right directories for
2037 # the previously-installed cross compiler, so don't bother to add
2038 # flags for directories within the install tree of the compiler
2039 # being built; programs in there won't even run.
2040 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
2041 # Search for pre-installed headers if nothing else fits.
2042 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
2045 if test "x${use_gnu_ld}" = x &&
2046 echo " ${configdirs} " | grep " ld " > /dev/null ; then
2047 # Arrange for us to find uninstalled linker scripts.
2048 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/ld'
2051 if test "x${CC_FOR_TARGET+set}" = xset; then
2053 elif test -d ${srcdir}/gcc; then
2054 CC_FOR_TARGET='$$r/gcc/xgcc -B$$r/gcc/'
2055 elif test "$host" = "$target"; then
2056 CC_FOR_TARGET='$(CC)'
2058 CC_FOR_TARGET=`echo gcc | sed "${program_transform_name}"`
2060 CC_FOR_TARGET=$CC_FOR_TARGET' $(FLAGS_FOR_TARGET)'
2062 if test "x${GCJ_FOR_TARGET+set}" = xset; then
2064 elif test -d ${srcdir}/gcc; then
2065 GCJ_FOR_TARGET='$$r/gcc/gcj -B$$r/gcc/'
2066 elif test "$host" = "$target"; then
2067 GCJ_FOR_TARGET='gcj'
2069 GCJ_FOR_TARGET=`echo gcj | sed "${program_transform_name}"`
2071 GCJ_FOR_TARGET=$GCJ_FOR_TARGET' $(FLAGS_FOR_TARGET)'
2073 if test "x${GFORTRAN_FOR_TARGET+set}" = xset; then
2075 elif test -d ${srcdir}/gcc; then
2076 GFORTRAN_FOR_TARGET='$$r/gcc/gfortran -B$$r/gcc/'
2077 elif test "$host" = "$target"; then
2078 GFORTRAN_FOR_TARGET='gfortran'
2080 GFORTRAN_FOR_TARGET=`echo gfortran | sed "${program_transform_name}"`
2082 case $GFORTRAN_FOR_TARGET in
2083 *' $(FLAGS_FOR_TARGET)') ;;
2084 *) GFORTRAN_FOR_TARGET=$GFORTRAN_FOR_TARGET' $(FLAGS_FOR_TARGET)' ;;
2087 # Don't use libstdc++-v3's flags to configure/build itself.
2088 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'
2089 raw_libstdcxx_flags='-L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs'
2091 if test "x${CXX_FOR_TARGET+set}" = xset; then
2092 if test "x${RAW_CXX_FOR_TARGET+set}" != xset; then
2093 RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
2095 elif test -d ${srcdir}/gcc; then
2096 # We add -shared-libgcc to CXX_FOR_TARGET whenever we use xgcc instead
2097 # of g++ for linking C++ or Java, because g++ has -shared-libgcc by
2098 # default whereas gcc does not.
2099 # RAW_CXX_FOR_TARGET is for linking C++ or java; CXX_FOR_TARGET is for
2101 CXX_FOR_TARGET='$$r/gcc/g++ -B$$r/gcc/ -nostdinc++ '$libstdcxx_flags
2102 RAW_CXX_FOR_TARGET='$$r/gcc/xgcc -shared-libgcc -B$$r/gcc/ -nostdinc++ '$raw_libstdcxx_flags
2103 elif test "$host" = "$target"; then
2104 CXX_FOR_TARGET='$(CXX)'
2105 RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
2107 CXX_FOR_TARGET=`echo c++ | sed "${program_transform_name}"`
2108 RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
2110 CXX_FOR_TARGET=$CXX_FOR_TARGET' $(FLAGS_FOR_TARGET)'
2111 RAW_CXX_FOR_TARGET=$RAW_CXX_FOR_TARGET' $(FLAGS_FOR_TARGET)'
2113 qCXX_FOR_TARGET=`echo "$CXX_FOR_TARGET" | sed 's,[[&%]],\\\&,g'`
2114 qRAW_CXX_FOR_TARGET=`echo "$RAW_CXX_FOR_TARGET" | sed 's,[[&%]],\\\&,g'`
2116 # We want to defer the evaluation of `cmd`s and shell variables in
2117 # CXX_FOR_TARGET when recursing in the top-level Makefile, such as for
2118 # bootstrap. We'll enclose CXX_FOR_TARGET_FOR_RECURSIVE_MAKE in single
2119 # quotes, but we still have to duplicate `$'s so that shell variables
2120 # can be expanded by the nested make as shell variables, not as make
2122 qqCXX_FOR_TARGET=`echo "$qCXX_FOR_TARGET" | sed -e 's,[[$]][[$]],$$$$,g'`
2123 qqRAW_CXX_FOR_TARGET=`echo "$qRAW_CXX_FOR_TARGET" | sed -e 's,[[$]][[$]],$$$$,g'`
2125 # Wrap CC_FOR_TARGET and friends, for certain types of builds.
2126 CC_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${CC_FOR_TARGET}"
2127 GCJ_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${GCJ_FOR_TARGET}"
2128 GFORTRAN_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${GFORTRAN_FOR_TARGET}"
2129 CXX_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${qCXX_FOR_TARGET}"
2130 RAW_CXX_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${qRAW_CXX_FOR_TARGET}"
2131 CXX_FOR_TARGET_FOR_RECURSIVE_MAKE="\$(STAGE_CC_WRAPPER) ${qqCXX_FOR_TARGET}"
2132 RAW_CXX_FOR_TARGET_FOR_RECURSIVE_MAKE="\$(STAGE_CC_WRAPPER) ${qqRAW_CXX_FOR_TARGET}"
2134 # Makefile fragments.
2135 for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
2137 eval fragval=\$$frag
2138 if test $fragval != /dev/null; then
2139 eval $frag=${srcdir}/$fragval
2142 AC_SUBST_FILE(host_makefile_frag)
2143 AC_SUBST_FILE(target_makefile_frag)
2144 AC_SUBST_FILE(alphaieee_frag)
2145 AC_SUBST_FILE(ospace_frag)
2147 # Miscellanea: directories, flags, etc.
2148 AC_SUBST(SET_LIB_PATH)
2149 AC_SUBST(RPATH_ENVVAR)
2150 AC_SUBST(BUILD_PREFIX)
2151 AC_SUBST(BUILD_PREFIX_1)
2153 AC_SUBST(build_tooldir)
2155 AC_SUBST(gxx_include_dir)
2156 AC_SUBST(libstdcxx_incdir)
2158 # Build module lists & subconfigure args.
2159 AC_SUBST(build_configargs)
2160 AC_SUBST(build_configdirs)
2162 # Host module lists & subconfigure args.
2163 AC_SUBST(host_configargs)
2164 AC_SUBST(configdirs)
2166 # Target module lists & subconfigure args.
2167 AC_SUBST(target_configargs)
2168 AC_SUBST(target_configdirs)
2171 AC_SUBST(CC_FOR_BUILD)
2172 AC_SUBST(config_shell)
2175 NCN_STRICT_CHECK_TOOL(AR, ar)
2176 NCN_STRICT_CHECK_TOOL(AS, as)
2177 NCN_STRICT_CHECK_TOOL(DLLTOOL, dlltool)
2178 NCN_STRICT_CHECK_TOOL(LD, ld)
2179 NCN_STRICT_CHECK_TOOL(NM, nm)
2180 NCN_STRICT_CHECK_TOOL(RANLIB, ranlib, :)
2181 NCN_STRICT_CHECK_TOOL(WINDRES, windres)
2182 NCN_STRICT_CHECK_TOOL(OBJCOPY, objcopy)
2183 NCN_STRICT_CHECK_TOOL(OBJDUMP, objdump)
2187 AC_SUBST(CFLAGS_FOR_BUILD)
2191 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_AR_FOR_TARGET, ar)
2192 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_AS_FOR_TARGET, as)
2193 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_DLLTOOL_FOR_TARGET, dlltool)
2194 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_LD_FOR_TARGET, ld)
2195 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_NM_FOR_TARGET, nm)
2196 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_RANLIB_FOR_TARGET, ranlib, :)
2197 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_WINDRES_FOR_TARGET, windres)
2199 AC_SUBST(GCC_FOR_TARGET)
2200 AC_SUBST(FLAGS_FOR_TARGET)
2201 AC_SUBST(CC_FOR_TARGET)
2202 AC_SUBST(GCJ_FOR_TARGET)
2203 AC_SUBST(GFORTRAN_FOR_TARGET)
2204 AC_SUBST(CXX_FOR_TARGET)
2205 AC_SUBST(RAW_CXX_FOR_TARGET)
2206 AC_SUBST(CXX_FOR_TARGET_FOR_RECURSIVE_MAKE)
2207 AC_SUBST(RAW_CXX_FOR_TARGET_FOR_RECURSIVE_MAKE)
2209 # Fix up target tools.
2210 if test "x${build}" = "x${host}" ; then
2211 # In this case, the newly built tools can and should be used,
2212 # so we override the results of the autoconf tests.
2213 # This should really only happen when the tools are actually being built,
2214 # but that's a further refinement. The new build scheme, where
2215 # tools are built into a structure paralleling where they're installed,
2216 # should also eliminate all of this cleanly.
2217 AR_FOR_TARGET="\$(USUAL_AR_FOR_TARGET)"
2218 AS_FOR_TARGET="\$(USUAL_AS_FOR_TARGET)"
2219 DLLTOOL_FOR_TARGET="\$(USUAL_DLLTOOL_FOR_TARGET)"
2220 LD_FOR_TARGET="\$(USUAL_LD_FOR_TARGET)"
2221 NM_FOR_TARGET="\$(USUAL_NM_FOR_TARGET)"
2222 RANLIB_FOR_TARGET="\$(USUAL_RANLIB_FOR_TARGET)"
2223 WINDRES_FOR_TARGET="\$(USUAL_WINDRES_FOR_TARGET)"
2225 # Just use the ones we found.
2226 AR_FOR_TARGET="\$(CONFIGURED_AR_FOR_TARGET)"
2227 AS_FOR_TARGET="\$(CONFIGURED_AS_FOR_TARGET)"
2228 DLLTOOL_FOR_TARGET="\$(CONFIGURED_DLLTOOL_FOR_TARGET)"
2229 LD_FOR_TARGET="\$(CONFIGURED_LD_FOR_TARGET)"
2230 NM_FOR_TARGET="\$(CONFIGURED_NM_FOR_TARGET)"
2231 RANLIB_FOR_TARGET="\$(CONFIGURED_RANLIB_FOR_TARGET)"
2232 WINDRES_FOR_TARGET="\$(CONFIGURED_WINDRES_FOR_TARGET)"
2234 AC_SUBST(AR_FOR_TARGET)
2235 AC_SUBST(AS_FOR_TARGET)
2236 AC_SUBST(DLLTOOL_FOR_TARGET)
2237 AC_SUBST(LD_FOR_TARGET)
2238 AC_SUBST(NM_FOR_TARGET)
2239 AC_SUBST(RANLIB_FOR_TARGET)
2240 AC_SUBST(WINDRES_FOR_TARGET)
2242 # Certain tools may need extra flags.
2243 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
2244 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
2245 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
2247 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
2248 AC_ARG_ENABLE(maintainer-mode,
2249 [ --enable-maintainer-mode enable make rules and dependencies not useful
2250 (and sometimes confusing) to the casual installer],
2251 USE_MAINTAINER_MODE=$enableval,
2252 USE_MAINTAINER_MODE=no)
2253 AC_MSG_RESULT($USE_MAINTAINER_MODE)
2254 AC_SUBST(MAINTAINER_MODE_TRUE)
2255 AC_SUBST(MAINTAINER_MODE_FALSE)
2256 if test "$USE_MAINTAINER_MODE" = yes; then
2257 MAINTAINER_MODE_TRUE=
2258 MAINTAINER_MODE_FALSE='#'
2260 MAINTAINER_MODE_TRUE='#'
2261 MAINTAINER_MODE_FALSE=
2263 MAINT=$MAINTAINER_MODE_TRUE
2266 # ---------------------
2267 # GCC bootstrap support
2268 # ---------------------
2270 # Stage specific cflags for build.
2275 yes) stage1_cflags="-g -Wa,-J" ;;
2276 *) stage1_cflags="-g -J" ;;
2279 # The spiffy cpp-precomp chokes on some legitimate constructs in GCC
2280 # sources; use -no-cpp-precomp to get to GNU cpp.
2281 # Apple's GCC has bugs in designated initializer handling, so disable
2283 stage1_cflags="-g -no-cpp-precomp -DHAVE_DESIGNATED_INITIALIZERS=0"
2286 AC_SUBST(stage1_cflags)
2288 # It makes debugging easier if we create as symlinks the stage directories
2289 # gcc for stageN-gcc and stagePREV-gcc for stage(N-1). In case this is not
2290 # possible, however, we can resort to mv.
2291 AC_CACHE_CHECK([if symbolic links between directories work],
2292 [gcc_cv_prog_ln_s_dir],
2293 [if test "${LN_S}" = "ln -s" \
2294 && mkdir confdir.s1 \
2295 && ln -s confdir.s1 confdir.s2 \
2296 && echo timestamp1 > confdir.s1/conftest.1 \
2297 && cmp confdir.s1/conftest.1 confdir.s2/conftest.1 \
2298 && echo timestamp2 > confdir.s2/conftest.2 \
2299 && cmp confdir.s1/conftest.2 confdir.s1/conftest.2 \
2300 && rm -f confdir.s2; then
2301 gcc_cv_prog_ln_s_dir=yes
2303 gcc_cv_prog_ln_s_dir=yes
2305 rm -rf confdir.s1 confdir.s2])
2307 case ${gcc_cv_prog_ln_s_dir} in
2309 CREATE_LINK_TO_DIR='ln -s $$1 $$2'
2310 UNDO_LINK_TO_DIR='rm -f $$1' ;;
2312 CREATE_LINK_TO_DIR='mv $$1 $$2'
2313 UNDO_LINK_TO_DIR='mv $$1 $$2' ;;
2315 AC_SUBST(CREATE_LINK_TO_DIR)
2316 AC_SUBST(UNDO_LINK_TO_DIR)
2318 # Enable -Werror in bootstrap stage2 and later.
2319 # Change the default to "no" on release branches.
2320 AC_ARG_ENABLE(werror,
2321 [ --enable-werror enable -Werror in bootstrap stage2 and later], [],
2322 [enable_werror=yes])
2323 case ${enable_werror} in
2324 yes) stage2_werror_flag="--enable-werror-always" ;;
2325 *) stage2_werror_flag="" ;;
2327 AC_SUBST(stage2_werror_flag)
2329 # If gcc is built natively with shared library enabled, set
2330 # $RPATH_ENVVAR to make sure the newly built gcc shared librares are
2333 if test -d ${srcdir}/gcc && test x${is_cross_compiler} = xno; then
2334 case "${set_lib_path}" in
2337 eval "d=\$$RPATH_ENVVAR"
2338 if test x"$d" != x; then
2343 SET_GCC_LIB_PATH="\$(RPATH_ENVVAR)=$d; export \$(RPATH_ENVVAR);"
2347 AC_SUBST(SET_GCC_LIB_PATH)