| blob | 9c32e1209164339eba40b618a43f1a69e1988ce0 |
1 # Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998,
2 # 1999, 2000, 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
3 #
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.
8 #
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.
13 #
14 # You should have received a copy of the GNU General Public License
15 # along with this program; if not, write to the Free Software
16 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
18 ##############################################################################
19 ### WARNING: this file contains embedded tabs. Do not run untabify on this file.
21 sinclude(config/acx.m4)
23 AC_INIT(move-if-change)
24 AC_PREREQ(2.13)
25 AC_CANONICAL_SYSTEM
26 AC_ARG_PROGRAM
28 # Get 'install' or 'install-sh' and its variants.
29 AC_PROG_INSTALL
30 ACX_PROG_LN
31 AC_PROG_LN_S
33 ### we might need to use some other shell than /bin/sh for running subshells
34 ### If we are on Windows, search for the shell. This will permit people
35 ### to not have /bin/sh, but to be able to see /SOME/PATH/sh configure
36 ### without also having to set CONFIG_SHELL. This code will work when
37 ### using bash, which sets OSTYPE.
38 case "${OSTYPE}" in
39 *win32*)
40 if test x${CONFIG_SHELL} = x ; then
41 if test ! -f /bin/sh ; then
42 if test x${SHELL} != x && test -f ${SHELL} ; then
43 CONFIG_SHELL=${SHELL}
44 export CONFIG_SHELL
45 else
46 for prog in sh sh.exe bash bash.exe; do
47 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
48 for dir in $PATH; do
49 test -z "$dir" && dir=.
50 if test -f $dir/$prog; then
51 CONFIG_SHELL=$dir/$prog
52 export CONFIG_SHELL
53 break
54 fi
55 done
56 IFS="$save_ifs"
57 test -n "${CONFIG_SHELL}" && break
58 done
59 fi
60 fi
61 fi
62 ;;
63 esac
65 config_shell=${CONFIG_SHELL-/bin/sh}
67 progname=$0
68 # if PWD already has a value, it is probably wrong.
69 if test -n "$PWD" ; then PWD=`${PWDCMD-pwd}`; fi
71 # Export original configure arguments for use by sub-configures. These
72 # will be expanded by make, so quote '$'.
73 tmp="$progname $@"
74 sed -e 's,\$,$$,g' <<EOF_SED > conftestsed.out
75 $tmp
76 EOF_SED
77 TOPLEVEL_CONFIGURE_ARGUMENTS=`cat conftestsed.out`
78 rm -f conftestsed.out
79 AC_SUBST(TOPLEVEL_CONFIGURE_ARGUMENTS)
81 moveifchange=${srcdir}/move-if-change
83 # Set srcdir to "." if that's what it is.
84 # This is important for multilib support.
85 pwd=`${PWDCMD-pwd}`
86 srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}`
87 if test "${pwd}" = "${srcpwd}" ; then
88 srcdir=.
89 fi
91 topsrcdir=$srcpwd
93 extra_host_args=
94 # Define the trigger file to make sure configure will re-run whenever
95 # the gcc version number changes.
96 if test "${with_gcc_version_trigger+set}" = set ; then
97 gcc_version_trigger="$with_gcc_version_trigger"
98 gcc_version=`grep version_string ${with_gcc_version_trigger} | sed -e 's/.*\"\([[^ \"]]*\)[[ \"]].*/\1/'`
99 else
100 # If gcc's sources are available, define the trigger file.
101 if test -f ${topsrcdir}/gcc/version.c ; then
102 gcc_version_trigger=${topsrcdir}/gcc/version.c
103 gcc_version=`grep version_string ${gcc_version_trigger} | sed -e 's/.*\"\([[^ \"]]*\)[[ \"]].*/\1/'`
104 case "$ac_configure_args" in
105 *--with-gcc-version-trigger=$gcc_version_trigger* )
106 ;;
107 * )
108 # Add to all subconfigure arguments: build, host, and target.
109 ac_configure_args="$ac_configure_args --with-gcc-version-trigger=$gcc_version_trigger"
110 ;;
111 esac
112 fi
113 fi
115 ### To add a new directory to the tree, first choose whether it is a target
116 ### or a host dependent tool. Then put it into the appropriate list
117 ### (library or tools, host or target), doing a dependency sort.
119 # Subdirs will be configured in the order listed in build_configdirs,
120 # configdirs, or target_configdirs; see the serialization section below.
122 # Dependency sorting is only needed when *configuration* must be done in
123 # a particular order. In all cases a dependency should be specified in
124 # the Makefile, whether or not it's implicitly specified here.
126 # Double entries in build_configdirs, configdirs, or target_configdirs may
127 # cause circular dependencies and break everything horribly.
129 # these library is used by various programs built for the build
130 # environment
131 #
132 build_libs="build-libiberty"
134 # these tools are built for the build environment
135 build_tools="build-texinfo build-byacc build-flex build-bison build-m4 build-fixincludes"
137 # these libraries are used by various programs built for the host environment
138 #
139 host_libs="intl mmalloc libiberty opcodes bfd readline tcl tk itcl libgui zlib libcpp"
141 # these tools are built for the host environment
142 # Note, the powerpc-eabi build depends on sim occurring before gdb in order to
143 # know that we are building the simulator.
144 # binutils, gas and ld appear in that order because it makes sense to run
145 # "make check" in that particular order.
146 host_tools="texinfo byacc flex bison binutils gas ld 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"
148 # libgcj represents the runtime libraries only used by gcj.
149 libgcj="target-libffi \
150 target-boehm-gc \
151 target-zlib \
152 target-qthreads \
153 target-libjava"
155 # these libraries are built for the target environment, and are built after
156 # the host libraries and the host tools (which may be a cross compiler)
157 #
158 target_libraries="target-libiberty \
159 target-libgloss \
160 target-newlib \
161 target-libstdc++-v3 \
162 target-libmudflap \
163 target-libgfortran \
164 ${libgcj} \
165 target-libobjc \
166 target-libada"
168 # these tools are built using the target libraries, and are intended to
169 # run only in the target environment
170 #
171 # note: any program that *uses* libraries that are in the "target_libraries"
172 # list belongs in this list. those programs are also very likely
173 # candidates for the "native_only" list which follows
174 #
175 target_tools="target-examples target-groff target-gperf target-rda"
177 ################################################################################
179 ## All tools belong in one of the four categories, and are assigned above
180 ## We assign ${configdirs} this way to remove all embedded newlines. This
181 ## is important because configure will choke if they ever get through.
182 ## ${configdirs} is directories we build using the host tools.
183 ## ${target_configdirs} is directories we build using the target tools.
184 configdirs=`echo ${host_libs} ${host_tools}`
185 target_configdirs=`echo ${target_libraries} ${target_tools}`
186 build_configdirs=`echo ${build_libs} ${build_tools}`
188 ################################################################################
190 srcname="gnu development package"
192 # This gets set non-empty for some net releases of packages.
193 appdirs=""
195 # Define is_cross_compiler to save on calls to 'test'.
196 is_cross_compiler=
197 if test x"${host}" = x"${target}" ; then
198 is_cross_compiler=no
199 else
200 is_cross_compiler=yes
201 fi
203 # Find the build and target subdir names.
204 GCC_TOPLEV_SUBDIRS
206 # Skipdirs are removed silently.
207 skipdirs=
208 # Noconfigdirs are removed loudly.
209 noconfigdirs=""
211 use_gnu_ld=
212 # Make sure we don't let GNU ld be added if we didn't want it.
213 if test x$with_gnu_ld = xno ; then
214 use_gnu_ld=no
215 noconfigdirs="$noconfigdirs ld"
216 fi
218 use_gnu_as=
219 # Make sure we don't let GNU as be added if we didn't want it.
220 if test x$with_gnu_as = xno ; then
221 use_gnu_as=no
222 noconfigdirs="$noconfigdirs gas"
223 fi
225 # some tools are so dependent upon X11 that if we're not building with X,
226 # it's not even worth trying to configure, much less build, that tool.
228 case ${with_x} in
229 yes | "") ;; # the default value for this tree is that X11 is available
230 no)
231 skipdirs="${skipdirs} tk itcl libgui"
232 # We won't be able to build gdbtk without X.
233 enable_gdbtk=no
234 ;;
235 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
236 esac
238 # Some tools are only suitable for building in a "native" situation.
239 # Remove these if host!=target.
240 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"
242 # Similarly, some are only suitable for cross toolchains.
243 # Remove these if host=target.
244 cross_only="target-libgloss target-newlib target-opcodes"
246 case $is_cross_compiler in
247 no) skipdirs="${skipdirs} ${cross_only}" ;;
248 yes) skipdirs="${skipdirs} ${native_only}" ;;
249 esac
251 # If both --with-headers and --with-libs are specified, default to
252 # --without-newlib.
253 if test x"${with_headers}" != x && test x"${with_headers} != xno \
254 && test x"${with_libs}" != x && test x"${with_libs} != xno ; then
255 if test x"${with_newlib}" = x ; then
256 with_newlib=no
257 fi
258 fi
260 # Recognize --with-newlib/--without-newlib.
261 case ${with_newlib} in
262 no) skipdirs="${skipdirs} target-newlib" ;;
263 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
264 esac
266 # Configure extra directories which are host specific
268 case "${host}" in
269 *-cygwin*)
270 configdirs="$configdirs libtermcap" ;;
271 esac
273 # Remove more programs from consideration, based on the host or
274 # target this usually means that a port of the program doesn't
275 # exist yet.
277 case "${host}" in
278 hppa*64*-*-*)
279 noconfigdirs="$noconfigdirs byacc"
280 ;;
281 i[[3456789]]86-*-vsta)
282 noconfigdirs="$noconfigdirs tcl expect dejagnu make texinfo bison patch flex byacc send-pr gprof uudecode dejagnu diff guile perl itcl gnuserv gettext"
283 ;;
284 i[[3456789]]86-*-go32* | i[[3456789]]86-*-msdosdjgpp*)
285 noconfigdirs="$noconfigdirs tcl tk expect dejagnu send-pr uudecode guile itcl gnuserv libffi"
286 ;;
287 i[[3456789]]86-*-mingw32*)
288 # noconfigdirs="tcl tk expect dejagnu make texinfo bison patch flex byacc send-pr uudecode dejagnu diff guile perl itcl gnuserv"
289 noconfigdirs="$noconfigdirs expect dejagnu autoconf automake send-pr rcs guile perl texinfo libtool"
290 ;;
291 i[[3456789]]86-*-beos*)
292 noconfigdirs="$noconfigdirs tk itcl libgui gdb"
293 ;;
294 *-*-cygwin*)
295 noconfigdirs="$noconfigdirs autoconf automake send-pr rcs guile perl"
296 ;;
297 *-*-netbsd*)
298 noconfigdirs="$noconfigdirs rcs"
299 ;;
300 ppc*-*-pe)
301 noconfigdirs="$noconfigdirs patch diff make tk tcl expect dejagnu autoconf automake texinfo bison send-pr gprof rcs guile perl itcl gnuserv"
302 ;;
303 powerpc-*-beos*)
304 noconfigdirs="$noconfigdirs tk itcl libgui gdb dejagnu readline"
305 ;;
306 *-*-darwin*)
307 noconfigdirs="$noconfigdirs tk itcl libgui"
308 ;;
309 esac
312 AC_ARG_ENABLE(libada,
313 [ --enable-libada Builds libada directory],
314 ENABLE_LIBADA=$enableval,
315 ENABLE_LIBADA=yes)
316 if test "${ENABLE_LIBADA}" != "yes" ; then
317 noconfigdirs="$noconfigdirs target-libada"
318 fi
320 # Save it here so that, even in case of --enable-libgcj, if the Java
321 # front-end isn't enabled, we still get libgcj disabled.
322 libgcj_saved=$libgcj
323 case $enable_libgcj in
324 yes)
325 # If we reset it here, it won't get added to noconfigdirs in the
326 # target-specific build rules, so it will be forcibly enabled
327 # (unless the Java language itself isn't enabled).
328 libgcj=
329 ;;
330 no)
331 # Make sure we get it printed in the list of not supported target libs.
332 noconfigdirs="$noconfigdirs ${libgcj}"
333 ;;
334 esac
337 # Allow --disable-libmudflap to exclude target-libmudflap
338 case $enable_libmudflap in
339 yes)
340 ;;
341 no)
342 noconfigdirs="$noconfigdirs target-libmudflap"
343 ;;
344 "")
345 case "${target}" in
346 *-*-linux*-gnu | *-*-gnu* | *-*-k*bsd*-gnu)
347 # Enable libmudflap by default in GNU and friends.
348 ;;
349 *-*-freebsd*)
350 # Enable libmudflap by default in FreeBSD.
351 ;;
352 *)
353 # Disable it by default everywhere else.
354 noconfigdirs="$noconfigdirs target-libmudflap"
355 ;;
356 esac
357 esac
360 case "${target}" in
361 *-*-chorusos)
362 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
363 ;;
364 powerpc-*-darwin*)
365 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes gdb gprof"
366 noconfigdirs="$noconfigdirs target-libobjc"
367 ;;
368 *-*-darwin*)
369 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes gdb gprof"
370 noconfigdirs="$noconfigdirs target-libobjc ${libgcj}"
371 ;;
372 *-*-freebsd[[12]] | *-*-freebsd[[12]].* | *-*-freebsd*aout*)
373 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
374 ;;
375 *-*-freebsd*)
376 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
377 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
378 && test -f /usr/local/include/gmp.h; then
379 with_gmp=/usr/local
380 fi
382 # Skip some stuff that's unsupported on some FreeBSD configurations.
383 case "${target}" in
384 i*86-*-*) ;;
385 alpha*-*-*) ;;
386 *)
387 noconfigdirs="$noconfigdirs ${libgcj}"
388 ;;
389 esac
390 ;;
391 *-*-kaos*)
392 # Remove unsupported stuff on all kaOS configurations.
393 skipdirs="target-libiberty ${libgcj} target-libstdc++-v3 target-librx"
394 skipdirs="$skipdirs target-libobjc target-examples target-groff target-gperf"
395 skipdirs="$skipdirs zlib fastjar target-libjava target-boehm-gc target-zlib"
396 noconfigdirs="$noconfigdirs target-libgloss"
397 ;;
398 *-*-netbsd*)
399 # Skip some stuff on all NetBSD configurations.
400 noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss"
402 # Skip some stuff that's unsupported on some NetBSD configurations.
403 case "${target}" in
404 i*86-*-netbsdelf*) ;;
405 arm*-*-netbsdelf*) ;;
406 *)
407 noconfigdirs="$noconfigdirs ${libgcj}"
408 ;;
409 esac
410 ;;
411 *-*-netware*)
412 noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss ${libgcj} target-libmudflap"
413 ;;
414 *-*-rtems*)
415 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
416 ;;
417 *-*-uclinux*)
418 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-rda ${libgcj}"
419 ;;
420 *-*-vxworks*)
421 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libiberty ${libgcj}"
422 ;;
423 alpha*-dec-osf*)
424 # ld works, but does not support shared libraries.
425 # newlib is not 64 bit ready. I'm not sure about fileutils.
426 # gas doesn't generate exception information.
427 noconfigdirs="$noconfigdirs gas ld fileutils target-newlib target-libgloss"
428 ;;
429 alpha*-*-*vms*)
430 noconfigdirs="$noconfigdirs gdb ld target-newlib target-libgloss ${libgcj}"
431 ;;
432 alpha*-*-linux*)
433 # newlib is not 64 bit ready
434 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
435 ;;
436 alpha*-*-*)
437 # newlib is not 64 bit ready
438 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
439 ;;
440 am33_2.0-*-linux*)
441 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
442 ;;
443 sh-*-linux*)
444 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
445 ;;
446 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
447 noconfigdirs="$noconfigdirs ${libgcj}"
448 noconfigdirs="$noconfigdirs target-examples"
449 noconfigdirs="$noconfigdirs target-libiberty texinfo send-pr"
450 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
451 noconfigdirs="$noconfigdirs expect dejagnu"
452 # the C++ libraries don't build on top of CE's C libraries
453 noconfigdirs="$noconfigdirs target-libstdc++-v3"
454 noconfigdirs="$noconfigdirs target-newlib"
455 case "${host}" in
456 *-*-cygwin*) ;; # keep gdb and readline
457 *) noconfigdirs="$noconfigdirs gdb readline"
458 ;;
459 esac
460 ;;
461 arc-*-*)
462 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
463 ;;
464 arm-*-coff | strongarm-*-coff | xscale-*-coff)
465 noconfigdirs="$noconfigdirs ${libgcj}"
466 ;;
467 arm-*-elf* | strongarm-*-elf* | xscale-*-elf* | arm*-*-eabi* )
468 noconfigdirs="$noconfigdirs target-libffi target-qthreads"
469 ;;
470 arm*-*-symbianelf*)
471 noconfigdirs="$noconfigdirs ${libgcj} target-libiberty"
472 ;;
473 arm-*-pe*)
474 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
475 ;;
476 arm-*-oabi*)
477 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
478 ;;
479 thumb-*-coff)
480 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
481 ;;
482 thumb-*-elf)
483 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
484 ;;
485 thumb-*-oabi)
486 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
487 ;;
488 thumb-*-pe)
489 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
490 ;;
491 arm-*-riscix*)
492 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
493 ;;
494 avr-*-*)
495 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
496 ;;
497 c4x-*-* | tic4x-*-*)
498 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
499 ;;
500 c54x*-*-* | tic54x-*-*)
501 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj} gcc gdb newlib"
502 ;;
503 cris-*-*)
504 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
505 ;;
506 crx-*-*)
507 noconfigdirs="$noconfigdirs target-libgloss target-libstdc++-v3 target-mudflap ${libgcj}"
508 ;;
509 d10v-*-*)
510 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
511 ;;
512 d30v-*-*)
513 noconfigdirs="$noconfigdirs ${libgcj} gdb"
514 ;;
515 fr30-*-elf*)
516 noconfigdirs="$noconfigdirs ${libgcj} gdb"
517 ;;
518 frv-*-*)
519 noconfigdirs="$noconfigdirs ${libgcj}"
520 ;;
521 h8300*-*-*)
522 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
523 ;;
524 h8500-*-*)
525 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
526 ;;
527 hppa*64*-*-linux* | parisc*64*-*-linux*)
528 # In this case, it's because the hppa64-linux target is for
529 # the kernel only at this point and has no libc, and thus no
530 # headers, crt*.o, etc., all of which are needed by these.
531 noconfigdirs="$noconfigdirs target-zlib"
532 ;;
533 hppa*-*-*elf* | \
534 parisc*-*-linux* | hppa*-*-linux* | \
535 hppa*-*-lites* | \
536 hppa*-*-openbsd* | \
537 hppa*64*-*-*)
538 noconfigdirs="$noconfigdirs ${libgcj}"
539 # Do configure ld/binutils/gas for this case.
540 ;;
541 hppa*-*-*)
542 # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
543 # build on HP-UX 10.20.
544 noconfigdirs="$noconfigdirs ld shellutils ${libgcj}"
545 ;;
546 i960-*-*)
547 noconfigdirs="$noconfigdirs ${libgcj} gdb"
548 ;;
549 ia64*-*-elf*)
550 # No gdb support yet.
551 noconfigdirs="$noconfigdirs readline mmalloc libgui itcl gdb"
552 ;;
553 ia64*-**-hpux*)
554 # No gdb or ld support yet.
555 noconfigdirs="$noconfigdirs ${libgcj} readline mmalloc libgui itcl gdb ld"
556 ;;
557 i[[3456789]]86-*-coff | i[[3456789]]86-*-elf)
558 noconfigdirs="$noconfigdirs ${libgcj}"
559 ;;
560 i[[3456789]]86-*-linux*)
561 # The GCC port for glibc1 has no MD_FALLBACK_FRAME_STATE_FOR, so let's
562 # not build java stuff by default.
563 case "${target}" in
564 *-*-*libc1*)
565 noconfigdirs="$noconfigdirs ${libgcj}";;
566 esac
568 # This section makes it possible to build newlib natively on linux.
569 # If we are using a cross compiler then don't configure newlib.
570 if test x${is_cross_compiler} != xno ; then
571 noconfigdirs="$noconfigdirs target-newlib"
572 fi
573 noconfigdirs="$noconfigdirs target-libgloss"
574 # If we are not using a cross compiler, do configure newlib.
575 # Note however, that newlib will only be configured in this situation
576 # if the --with-newlib option has been given, because otherwise
577 # 'target-newlib' will appear in skipdirs.
578 ;;
579 i[[3456789]]86-*-mingw32*)
580 target_configdirs="$target_configdirs target-mingw"
581 noconfigdirs="$noconfigdirs expect target-libgloss ${libgcj}"
583 # Can't build gdb for mingw32 if not native.
584 case "${host}" in
585 i[[3456789]]86-*-mingw32) ;; # keep gdb tcl tk expect etc.
586 *) noconfigdirs="$noconfigdirs gdb tcl tk expect itcl gnuserv"
587 ;;
588 esac
589 ;;
590 *-*-cygwin*)
591 target_configdirs="$target_configdirs target-libtermcap target-winsup"
592 noconfigdirs="$noconfigdirs target-gperf target-libgloss ${libgcj}"
593 # always build newlib if winsup directory is present.
594 if test -d "$srcdir/winsup"
595 then
596 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
597 else
598 echo "Warning: winsup is missing so newlib can't be built."
599 fi
601 # Can't build gdb for Cygwin if not native.
602 case "${host}" in
603 *-*-cygwin*) ;; # keep gdb tcl tk expect etc.
604 *) noconfigdirs="$noconfigdirs gdb tcl tk expect itcl libgui gnuserv"
605 ;;
606 esac
607 ;;
608 i[[3456789]]86-*-pe)
609 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
610 ;;
611 i[[3456789]]86-*-sco3.2v5*)
612 # The linker does not yet know about weak symbols in COFF,
613 # and is not configured to handle mixed ELF and COFF.
614 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
615 ;;
616 i[[3456789]]86-*-sco*)
617 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
618 ;;
619 i[[3456789]]86-*-solaris2*)
620 noconfigdirs="$noconfigdirs target-libgloss"
621 ;;
622 i[[3456789]]86-*-sysv4*)
623 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
624 ;;
625 i[[3456789]]86-*-beos*)
626 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
627 ;;
628 m32r-*-*)
629 noconfigdirs="$noconfigdirs ${libgcj}"
630 ;;
631 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
632 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
633 ;;
634 m68k-*-elf*)
635 noconfigdirs="$noconfigdirs ${libgcj}"
636 ;;
637 m68k-*-coff*)
638 noconfigdirs="$noconfigdirs ${libgcj}"
639 ;;
640 mcore-*-pe*)
641 # The EPOC C++ environment does not support exceptions or rtti,
642 # and so building libstdc++-v3 tends not to always work.
643 noconfigdirs="$noconfigdirs target-libstdc++-v3"
644 ;;
645 mmix-*-*)
646 noconfigdirs="$noconfigdirs ${libgcj} gdb libgloss"
647 ;;
648 mn10200-*-*)
649 noconfigdirs="$noconfigdirs ${libgcj}"
650 ;;
651 mn10300-*-*)
652 noconfigdirs="$noconfigdirs ${libgcj}"
653 ;;
654 powerpc-*-aix*)
655 # copied from rs6000-*-* entry
656 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
657 ;;
658 powerpc*-*-winnt* | powerpc*-*-pe* | ppc*-*-pe)
659 target_configdirs="$target_configdirs target-winsup"
660 noconfigdirs="$noconfigdirs gdb tcl tk make expect target-libgloss itcl gnuserv ${libgcj}"
661 # always build newlib.
662 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
663 ;;
664 # This is temporary until we can link against shared libraries
665 powerpcle-*-solaris*)
666 noconfigdirs="$noconfigdirs gdb sim make tcl tk expect itcl gnuserv ${libgcj}"
667 ;;
668 powerpc-*-beos*)
669 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
670 ;;
671 powerpc-*-eabi)
672 noconfigdirs="$noconfigdirs ${libgcj}"
673 ;;
674 rs6000-*-lynxos*)
675 noconfigdirs="$noconfigdirs target-newlib gprof ${libgcj}"
676 ;;
677 rs6000-*-aix*)
678 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
679 ;;
680 rs6000-*-*)
681 noconfigdirs="$noconfigdirs gprof ${libgcj}"
682 ;;
683 m68k-apollo-*)
684 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss ${libgcj}"
685 ;;
686 mips*-*-irix5*)
687 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
688 ;;
689 mips*-*-irix6*)
690 # Linking libjava exceeds command-line length limits on at least
691 # IRIX 6.2, but not on IRIX 6.5.
692 # Also, boehm-gc won't build on IRIX 6.5, according to Jeffrey Oldham
693 # <oldham@codesourcery.com>
694 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
695 ;;
696 mips*-dec-bsd*)
697 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
698 ;;
699 mips*-*-bsd*)
700 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
701 ;;
702 mipstx39-*-*)
703 noconfigdirs="$noconfigdirs gprof ${libgcj}" # same as generic mips
704 ;;
705 mips64*-*-linux*)
706 noconfigdirs="$noconfigdirs target-newlib ${libgcj}"
707 ;;
708 mips*-*-linux*)
709 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
710 ;;
711 mips*-*-*)
712 noconfigdirs="$noconfigdirs gprof ${libgcj}"
713 ;;
714 romp-*-*)
715 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes target-libgloss ${libgcj}"
716 ;;
717 sh-*-*)
718 case "${host}" in
719 i[[3456789]]86-*-vsta) ;; # don't add gprof back in
720 i[[3456789]]86-*-go32*) ;; # don't add gprof back in
721 i[[3456789]]86-*-msdosdjgpp*) ;; # don't add gprof back in
722 *) skipdirs=`echo " ${skipdirs} " | sed -e 's/ gprof / /'` ;;
723 esac
724 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
725 ;;
726 sh64-*-*)
727 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
728 ;;
729 sparc-*-elf*)
730 noconfigdirs="$noconfigdirs ${libgcj}"
731 ;;
732 sparc64-*-elf*)
733 noconfigdirs="$noconfigdirs ${libgcj}"
734 ;;
735 sparclite-*-*)
736 noconfigdirs="$noconfigdirs ${libgcj}"
737 ;;
738 sparc-*-sunos4*)
739 noconfigdirs="$noconfigdirs ${libgcj}"
740 if test x${is_cross_compiler} != xno ; then
741 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
742 else
743 use_gnu_ld=no
744 fi
745 ;;
746 sparc-*-solaris* | sparc64-*-solaris* | sparcv9-*-solaris*)
747 ;;
748 v810-*-*)
749 noconfigdirs="$noconfigdirs bfd binutils gas gcc gdb ld target-libstdc++-v3 opcodes target-libgloss ${libgcj}"
750 ;;
751 v850-*-*)
752 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
753 ;;
754 v850e-*-*)
755 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
756 ;;
757 v850ea-*-*)
758 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
759 ;;
760 vax-*-vms)
761 noconfigdirs="$noconfigdirs bfd binutils gdb ld target-newlib opcodes target-libgloss ${libgcj}"
762 ;;
763 vax-*-*)
764 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
765 ;;
766 xtensa-*-*)
767 noconfigdirs="$noconfigdirs ${libgcj}"
768 ;;
769 ip2k-*-*)
770 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
771 ;;
772 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu)
773 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
774 ;;
775 *-*-lynxos*)
776 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
777 ;;
778 *-*-*)
779 noconfigdirs="$noconfigdirs ${libgcj}"
780 ;;
781 esac
783 # If we aren't building newlib, then don't build libgloss, since libgloss
784 # depends upon some newlib header files.
785 case "${noconfigdirs}" in
786 *target-libgloss*) ;;
787 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
788 esac
790 # Work in distributions that contain no compiler tools, like Autoconf.
791 tentative_cc=""
792 host_makefile_frag=/dev/null
793 if test -d ${srcdir}/config ; then
794 case "${host}" in
795 m68k-hp-hpux*)
796 # Avoid "too much defining" errors from HPUX compiler.
797 tentative_cc="cc -Wp,-H256000"
798 # If "ar" in $PATH is GNU ar, the symbol table may need rebuilding.
799 # If it's HP/UX ar, this should be harmless.
800 RANLIB="ar ts"
801 ;;
802 m68k-apollo-sysv*)
803 tentative_cc="cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DUSG"
804 ;;
805 m68k-apollo-bsd*)
806 #None of the Apollo compilers can compile gas or binutils. The preprocessor
807 # chokes on bfd, the compiler won't let you assign integers to enums, and
808 # other problems. Defining CC to gcc is a questionable way to say "don't use
809 # the apollo compiler" (the preferred version of GCC could be called cc,
810 # or whatever), but I'm not sure leaving CC as cc is any better...
811 #CC=cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DNO_STDARG
812 # Used to have BISON=yacc.
813 tentative_cc=gcc
814 ;;
815 m88k-dg-dgux*)
816 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
817 ;;
818 m88k-harris-cxux*)
819 # Under CX/UX, we want to tell the compiler to use ANSI mode.
820 tentative_cc="cc -Xa"
821 host_makefile_frag="config/mh-cxux"
822 ;;
823 m88k-motorola-sysv*)
824 ;;
825 mips*-dec-ultrix*)
826 tentative_cc="cc -Wf,-XNg1000"
827 host_makefile_frag="config/mh-decstation"
828 ;;
829 mips*-nec-sysv4*)
830 # The C compiler on NEC MIPS SVR4 needs bigger tables.
831 tentative_cc="cc -ZXNd=5000 -ZXNg=1000"
832 host_makefile_frag="config/mh-necv4"
833 ;;
834 mips*-sgi-irix4*)
835 # Tell compiler to use K&R C. We can't compile under the SGI Ansi
836 # environment. Also bump switch table size so that cp-parse will
837 # compile. Bump string length limit so linker builds.
838 tentative_cc="cc -cckr -Wf,-XNg1500 -Wf,-XNk1000 -Wf,-XNh2000 -Wf,-XNl8192"
839 ;;
840 mips*-*-sysv4*)
841 host_makefile_frag="config/mh-sysv4"
842 ;;
843 mips*-*-sysv*)
844 # This is for a MIPS running RISC/os 4.52C.
846 # This is needed for GDB, but needs to be in the top-level make because
847 # if a library is compiled with the bsd headers and gets linked with the
848 # sysv system libraries all hell can break loose (e.g. a jmp_buf might be
849 # a different size).
850 # ptrace(2) apparently has problems in the BSD environment. No workaround is
851 # known except to select the sysv environment. Could we use /proc instead?
852 # These "sysv environments" and "bsd environments" often end up being a pain.
853 #
854 # This is not part of CFLAGS because perhaps not all C compilers have this
855 # option.
856 tentative_cc="cc -systype sysv"
857 ;;
858 i370-ibm-opened*)
859 tentative_cc="c89"
860 ;;
861 i[[3456789]]86-*-sysv5*)
862 host_makefile_frag="config/mh-sysv5"
863 ;;
864 i[[3456789]]86-*-dgux*)
865 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
866 host_makefile_frag="config/mh-dgux386"
867 ;;
868 i[[3456789]]86-ncr-sysv4.3*)
869 # The MetaWare compiler will generate a copyright message unless you
870 # turn it off by adding the -Hnocopyr flag.
871 tentative_cc="cc -Hnocopyr"
872 ;;
873 i[[3456789]]86-ncr-sysv4*)
874 # for an NCR 3000 (i486/SVR4) system.
875 # The NCR 3000 ships with a MetaWare compiler installed as /bin/cc.
876 # This compiler not only emits obnoxious copyright messages every time
877 # you run it, but it chokes and dies on a whole bunch of GNU source
878 # files. Default to using the AT&T compiler installed in /usr/ccs/ATT/cc.
879 tentative_cc="/usr/ccs/ATT/cc"
880 host_makefile_frag="config/mh-ncr3000"
881 ;;
882 i[[3456789]]86-*-sco3.2v5*)
883 ;;
884 i[[3456789]]86-*-sco*)
885 # The native C compiler botches some simple uses of const. Unfortunately,
886 # it doesn't defined anything like "__sco__" for us to test for in ansidecl.h.
887 tentative_cc="cc -Dconst="
888 host_makefile_frag="config/mh-sco"
889 ;;
890 i[[3456789]]86-*-udk*)
891 host_makefile_frag="config/mh-sysv5"
892 ;;
893 i[[3456789]]86-*-solaris2*)
894 host_makefile_frag="config/mh-sysv4"
895 ;;
896 i[[3456789]]86-*-msdosdjgpp*)
897 host_makefile_frag="config/mh-djgpp"
898 ;;
899 *-cygwin*)
900 host_makefile_frag="config/mh-cygwin"
901 ;;
902 *-mingw32*)
903 host_makefile_frag="config/mh-mingw32"
904 ;;
905 *-interix*)
906 host_makefile_frag="config/mh-interix"
907 ;;
908 vax-*-ultrix2*)
909 # The old BSD pcc isn't up to compiling parts of gdb so use gcc
910 tentative_cc=gcc
911 ;;
912 *-*-solaris2*)
913 host_makefile_frag="config/mh-solaris"
914 ;;
915 m68k-sun-sunos*)
916 # Sun's C compiler needs the -J flag to be able to compile cp-parse.c
917 # without overflowing the jump tables (-J says to use a 32 bit table)
918 tentative_cc="cc -J"
919 ;;
920 *-hp-hpux*)
921 tentative_cc="cc -Wp,-H256000"
922 ;;
923 *-*-hiux*)
924 tentative_cc="cc -Wp,-H256000"
925 ;;
926 rs6000-*-lynxos*)
927 # /bin/cc is less than useful for our purposes. Always use GCC
928 tentative_cc="/usr/cygnus/progressive/bin/gcc"
929 host_makefile_frag="config/mh-lynxrs6k"
930 ;;
931 powerpc-*-darwin*)
932 host_makefile_frag="config/mh-ppc-darwin"
933 ;;
934 *-*-lynxos*)
935 # /bin/cc is less than useful for our purposes. Always use GCC
936 tentative_cc="/bin/gcc"
937 ;;
938 *-*-sysv4*)
939 host_makefile_frag="config/mh-sysv4"
940 ;;
941 esac
942 fi
944 # If we aren't going to be using gcc, see if we can extract a definition
945 # of CC from the fragment.
946 # Actually, use the 'pre-extracted' version above.
947 if test -z "${CC}" && test "${build}" = "${host}" ; then
948 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
949 found=
950 for dir in $PATH; do
951 test -z "$dir" && dir=.
952 if test -f $dir/gcc; then
953 found=yes
954 break
955 fi
956 done
957 IFS="$save_ifs"
958 if test -z "${found}" && test -n "${tentative_cc}" ; then
959 CC=$tentative_cc
960 fi
961 fi
963 if test "${build}" != "${host}" ; then
964 # If we are doing a Canadian Cross, in which the host and build systems
965 # are not the same, we set reasonable default values for the tools.
967 CC=${CC-${host_alias}-gcc}
968 CFLAGS=${CFLAGS-"-g -O2"}
969 CXX=${CXX-${host_alias}-c++}
970 CXXFLAGS=${CXXFLAGS-"-g -O2"}
971 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
972 CC_FOR_TARGET=${CC_FOR_TARGET-${target_alias}-gcc}
973 CXX_FOR_TARGET=${CXX_FOR_TARGET-${target_alias}-c++}
974 GCJ_FOR_TARGET=${GCJ_FOR_TARGET-${target_alias}-gcj}
975 GCC_FOR_TARGET=${GCC_FOR_TARGET-${CC_FOR_TARGET-${target_alias}-gcc}}
976 BUILD_PREFIX=${build_alias}-
977 BUILD_PREFIX_1=${build_alias}-
979 else
980 # Set reasonable default values for some tools even if not Canadian.
981 # Of course, these are different reasonable default values, originally
982 # specified directly in the Makefile.
983 # We don't export, so that autoconf can do its job.
984 # Note that all these settings are above the fragment inclusion point
985 # in Makefile.in, so can still be overridden by fragments.
986 # This is all going to change when we autoconfiscate...
988 CC_FOR_BUILD="\$(CC)"
989 GCC_FOR_TARGET="\$(USUAL_GCC_FOR_TARGET)"
990 BUILD_PREFIX=
991 BUILD_PREFIX_1=loser-
993 AC_PROG_CC
995 # We must set the default linker to the linker used by gcc for the correct
996 # operation of libtool. If LD is not defined and we are using gcc, try to
997 # set the LD default to the ld used by gcc.
998 if test -z "$LD"; then
999 if test "$GCC" = yes; then
1000 case $build in
1001 *-*-mingw*)
1002 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1003 *)
1004 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1005 esac
1006 case $gcc_prog_ld in
1007 # Accept absolute paths.
1008 [[\\/]* | [A-Za-z]:[\\/]*)]
1009 LD="$gcc_prog_ld" ;;
1010 esac
1011 fi
1012 fi
1014 CXX=${CXX-"c++"}
1015 CFLAGS=${CFLAGS-"-g"}
1016 CXXFLAGS=${CXXFLAGS-"-g -O2"}
1017 fi
1019 ACX_PROG_GNAT
1020 ACX_PROG_CMP_IGNORE_INITIAL
1022 # Check for GMP and MPFR
1023 gmplibs=
1024 gmpinc=
1025 have_gmp=yes
1026 # Specify a location for mpfr
1027 # check for this first so it ends up on the link line before gmp.
1028 AC_ARG_WITH(mpfr-dir, [ --with-mpfr-dir=PATH Specify source directory for MPFR library])
1030 if test "x$with_mpfr_dir" != x; then
1031 gmpinc="-I$with_mpfr_dir/mpfr"
1032 gmplibs="$with_mpfr_dir/libmpfr.a"
1033 else
1034 gmplibs="-lmpfr"
1035 fi
1037 AC_ARG_WITH(mpfr, [ --with-mpfr=PATH Specify directory for installed MPFR library])
1039 if test "x$with_mpfr" != x; then
1040 gmplibs="-L$with_mpfr/lib $gmplibs"
1041 gmpinc="-I$with_mpfr/include"
1042 fi
1044 # Specify a location for gmp
1045 AC_ARG_WITH(gmp-dir, [ --with-gmp-dir=PATH Specify source directory for GMP library])
1047 if test "x$with_gmp_dir" != x; then
1048 gmpinc="$gmpinc -I$with_gmp_dir"
1049 if test -f "$with_gmp_dir/.libs/libgmp.a"; then
1050 gmplibs="$gmplibs $with_gmp_dir/.libs/libgmp.a"
1051 elif test -f "$with_gmp_dir/_libs/libgmp.a"; then
1052 gmplibs="$gmplibs $with_gmp_dir/_libs/libgmp.a"
1053 fi
1054 # One of the later tests will catch the error if neither library is present.
1055 else
1056 gmplibs="$gmplibs -lgmp"
1057 fi
1059 AC_ARG_WITH(gmp, [ --with-gmp=PATH Specify directory for installed GMP library])
1061 if test "x$with_gmp" != x; then
1062 gmplibs="-L$with_gmp/lib $gmplibs"
1063 gmpinc="-I$with_gmp/include $gmpinc"
1064 fi
1066 saved_CFLAGS="$CFLAGS"
1067 CFLAGS="$CFLAGS $gmpinc"
1068 # Check GMP actually works
1069 AC_MSG_CHECKING([for correct version of gmp.h])
1070 AC_TRY_COMPILE([#include "gmp.h"],[
1071 #if __GNU_MP_VERSION < 3
1072 choke me
1073 #endif
1074 ], [AC_MSG_RESULT([yes])],
1075 [AC_MSG_RESULT([no]); have_gmp=no])
1077 if test x"$have_gmp" = xyes; then
1078 AC_MSG_CHECKING([for MPFR])
1080 saved_LIBS="$LIBS"
1081 LIBS="$LIBS $gmplibs"
1082 AC_TRY_LINK([#include <gmp.h>
1083 #include <mpfr.h>], [mpfr_t n; mpfr_init(n);],
1084 [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1085 LIBS="$saved_LIBS"
1086 CFLAGS="$saved_CFLAGS"
1087 fi
1089 # Flags needed for both GMP and/or MPFR
1090 AC_SUBST(gmplibs)
1091 AC_SUBST(gmpinc)
1093 # By default, C is the only stage 1 language.
1094 stage1_languages=c
1095 AC_SUBST(stage1_languages)
1097 # Figure out what language subdirectories are present.
1098 # Look if the user specified --enable-languages="..."; if not, use
1099 # the environment variable $LANGUAGES if defined. $LANGUAGES might
1100 # go away some day.
1101 # NB: embedded tabs in this IF block -- do not untabify
1102 if test -d ${srcdir}/gcc; then
1103 if test x"${enable_languages+set}" != xset; then
1104 if test x"${LANGUAGES+set}" = xset; then
1105 enable_languages="${LANGUAGES}"
1106 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1107 else
1108 enable_languages=all
1109 fi
1110 else
1111 if test x"${enable_languages}" = x ||
1112 test x"${enable_languages}" = xyes;
1113 then
1114 echo configure.in: --enable-languages needs at least one language argument 1>&2
1115 exit 1
1116 fi
1117 fi
1118 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1120 # First scan to see if an enabled language requires some other language.
1121 # We assume that a given config-lang.in will list all the language
1122 # front ends it requires, even if some are required indirectly.
1123 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1124 case ${lang_frag} in
1125 ..) ;;
1126 # The odd quoting in the next line works around
1127 # an apparent bug in bash 1.12 on linux.
1128 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1129 *)
1130 # From the config-lang.in, get $language, $lang_requires
1131 language=
1132 lang_requires=
1133 . ${lang_frag}
1134 for other in ${lang_requires} ; do
1135 case ,${enable_languages}, in
1136 *,$other,*) ;;
1137 *,all,*) ;;
1138 *,$language,*)
1139 echo " \`$other' language required by \`$language'; enabling" 1>&2
1140 enable_languages="${enable_languages},${other}"
1141 ;;
1142 esac
1143 done
1144 ;;
1145 esac
1146 done
1148 new_enable_languages=c
1149 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
1150 potential_languages=c
1152 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1153 case ${lang_frag} in
1154 ..) ;;
1155 # The odd quoting in the next line works around
1156 # an apparent bug in bash 1.12 on linux.
1157 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1158 *)
1159 # From the config-lang.in, get $language, $target_libs,
1160 # $lang_dirs, $boot_language, and $build_by_default
1161 language=
1162 target_libs=
1163 lang_dirs=
1164 boot_language=
1165 build_by_default=
1166 need_gmp=
1167 . ${lang_frag}
1168 potential_languages="${potential_languages},${language}"
1169 # This is quite sensitive to the ordering of the case statement arms.
1170 case ,${enable_languages},:${language}:${have_gnat}:${build_by_default} in
1171 *::*:*)
1172 echo "${lang_frag} doesn't set \$language." 1>&2
1173 exit 1
1174 ;;
1175 *:ada:no:*)
1176 # Ada was requested with no preexisting GNAT. Disable unconditionally.
1177 add_this_lang=no
1178 ;;
1179 *,${language},*:*:*:*)
1180 # Language was explicitly selected; include it.
1181 add_this_lang=yes
1182 ;;
1183 *,all,*:*:*:no)
1184 # 'all' was selected, but this is not a default language
1185 # so do not include it.
1186 add_this_lang=no
1187 ;;
1188 *,all,*:*:*:*)
1189 # 'all' was selected and this is a default language; include it.
1190 add_this_lang=yes
1191 ;;
1192 *)
1193 add_this_lang=no
1194 ;;
1195 esac
1197 # Disable languages that need GMP if it isn't available.
1198 case ,${enable_languages},:${have_gmp}:${need_gmp} in
1199 *,${language},*:no:yes)
1200 # Specifically requested language; tell them.
1201 AC_MSG_ERROR([GMP with MPFR support is required to build $language])
1202 ;;
1203 *:no:yes)
1204 # Silently disable.
1205 add_this_lang=no
1206 ;;
1207 esac
1209 case $add_this_lang in
1210 no)
1211 # Remove language-dependent dirs.
1212 eval noconfigdirs='"$noconfigdirs "'\"$target_libs $lang_dirs\"
1213 ;;
1214 *)
1215 new_enable_languages="$new_enable_languages,$language"
1216 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
1217 case ${boot_language} in
1218 yes)
1219 # Add to (comma-separated) list of stage 1 languages.
1220 stage1_languages="${stage1_languages},${language}"
1221 ;;
1222 esac
1223 ;;
1224 esac
1225 ;;
1226 esac
1227 done
1229 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
1230 if test "x$missing_languages" != x; then
1231 AC_MSG_ERROR([
1232 The following requested languages were not found: ${missing_languages}
1233 The available languages are: ${potential_languages}])
1234 fi
1236 if test "x$new_enable_languages" != "x$enable_languages"; then
1237 echo The following languages will be built: ${new_enable_languages}
1238 fi
1239 enable_languages="$new_enable_languages"
1240 ac_configure_args=`echo " $ac_configure_args" | sed -e 's/ --enable-languages=[[^ ]]*//' -e 's/$/ --enable-languages='"$enable_languages"/ `
1241 fi
1243 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs and
1244 # $target_configdirs.
1245 # If we have the source for $noconfigdirs entries, add them to $notsupp.
1247 notsupp=""
1248 for dir in . $skipdirs $noconfigdirs ; do
1249 dirname=`echo $dir | sed -e s/target-//g`
1250 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1251 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
1252 if test -r $srcdir/$dirname/configure ; then
1253 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1254 true
1255 else
1256 notsupp="$notsupp $dir"
1257 fi
1258 fi
1259 fi
1260 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1261 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
1262 if test -r $srcdir/$dirname/configure ; then
1263 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1264 true
1265 else
1266 notsupp="$notsupp $dir"
1267 fi
1268 fi
1269 fi
1270 done
1272 # Sometimes the tools are distributed with libiberty but with no other
1273 # libraries. In that case, we don't want to build target-libiberty.
1274 if test -n "${target_configdirs}" ; then
1275 others=
1276 for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do
1277 if test "$i" != "libiberty" ; then
1278 if test -r $srcdir/$i/configure ; then
1279 others=yes;
1280 break;
1281 fi
1282 fi
1283 done
1284 if test -z "${others}" ; then
1285 target_configdirs=
1286 fi
1287 fi
1289 # Quietly strip out all directories which aren't configurable in this tree.
1290 # This relies on all configurable subdirectories being autoconfiscated, which
1291 # is now the case.
1292 build_configdirs_all="$build_configdirs"
1293 build_configdirs=
1294 for i in ${build_configdirs_all} ; do
1295 j=`echo $i | sed -e s/build-//g`
1296 if test -f ${srcdir}/$j/configure ; then
1297 build_configdirs="${build_configdirs} $i"
1298 fi
1299 done
1301 configdirs_all="$configdirs"
1302 configdirs=
1303 for i in ${configdirs_all} ; do
1304 if test -f ${srcdir}/$i/configure ; then
1305 configdirs="${configdirs} $i"
1306 fi
1307 done
1309 target_configdirs_all="$target_configdirs"
1310 target_configdirs=
1311 for i in ${target_configdirs_all} ; do
1312 j=`echo $i | sed -e s/target-//g`
1313 if test -f ${srcdir}/$j/configure ; then
1314 target_configdirs="${target_configdirs} $i"
1315 fi
1316 done
1318 # Produce a warning message for the subdirs we can't configure.
1319 # This isn't especially interesting in the Cygnus tree, but in the individual
1320 # FSF releases, it's important to let people know when their machine isn't
1321 # supported by the one or two programs in a package.
1323 if test -n "${notsupp}" && test -z "${norecursion}" ; then
1324 # If $appdirs is non-empty, at least one of those directories must still
1325 # be configured, or we error out. (E.g., if the gas release supports a
1326 # specified target in some subdirs but not the gas subdir, we shouldn't
1327 # pretend that all is well.)
1328 if test -n "$appdirs" ; then
1329 for dir in $appdirs ; do
1330 if test -r $dir/Makefile.in ; then
1331 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1332 appdirs=""
1333 break
1334 fi
1335 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
1336 appdirs=""
1337 break
1338 fi
1339 fi
1340 done
1341 if test -n "$appdirs" ; then
1342 echo "*** This configuration is not supported by this package." 1>&2
1343 exit 1
1344 fi
1345 fi
1346 # Okay, some application will build, or we don't care to check. Still
1347 # notify of subdirs not getting built.
1348 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
1349 echo " ${notsupp}" 1>&2
1350 echo " (Any other directories should still work fine.)" 1>&2
1351 fi
1353 case "$host" in
1354 *msdosdjgpp*)
1355 enable_gdbtk=no ;;
1356 esac
1358 copy_dirs=
1360 # Handle --with-headers=XXX. If the value is not "yes", the contents of
1361 # the named directory are copied to $(tooldir)/sys-include.
1362 if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
1363 if test x${is_cross_compiler} = xno ; then
1364 echo 1>&2 '***' --with-headers is only supported when cross compiling
1365 exit 1
1366 fi
1367 if test x"${with_headers}" != xyes ; then
1368 case "${exec_prefixoption}" in
1369 "") x=${prefix} ;;
1370 *) x=${exec_prefix} ;;
1371 esac
1372 copy_dirs="${copy_dirs} ${with_headers} $x/${target_alias}/sys-include"
1373 fi
1374 fi
1376 # Handle --with-libs=XXX. If the value is not "yes", the contents of
1377 # the name directories are copied to $(tooldir)/lib. Multiple directories
1378 # are permitted.
1379 if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
1380 if test x${is_cross_compiler} = xno ; then
1381 echo 1>&2 '***' --with-libs is only supported when cross compiling
1382 exit 1
1383 fi
1384 if test x"${with_libs}" != xyes ; then
1385 # Copy the libraries in reverse order, so that files in the first named
1386 # library override files in subsequent libraries.
1387 case "${exec_prefixoption}" in
1388 "") x=${prefix} ;;
1389 *) x=${exec_prefix} ;;
1390 esac
1391 for l in ${with_libs}; do
1392 copy_dirs="$l $x/${target_alias}/lib ${copy_dirs}"
1393 done
1394 fi
1395 fi
1397 # Handle ${copy_dirs}
1398 set fnord ${copy_dirs}
1399 shift
1400 while test $# != 0 ; do
1401 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
1402 :
1403 else
1404 echo Copying $1 to $2
1406 # Use the install script to create the directory and all required
1407 # parent directories.
1408 if test -d $2 ; then
1409 :
1410 else
1411 echo >config.temp
1412 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
1413 fi
1415 # Copy the directory, assuming we have tar.
1416 # FIXME: Should we use B in the second tar? Not all systems support it.
1417 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
1419 # It is the responsibility of the user to correctly adjust all
1420 # symlinks. If somebody can figure out how to handle them correctly
1421 # here, feel free to add the code.
1423 echo $1 > $2/COPIED
1424 fi
1425 shift; shift
1426 done
1428 extra_arflags_for_target=
1429 extra_nmflags_for_target=
1430 extra_ranlibflags_for_target=
1431 target_makefile_frag=/dev/null
1432 case "${target}" in
1433 *-*-netware*)
1434 target_makefile_frag="config/mt-netware"
1435 ;;
1436 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu)
1437 target_makefile_frag="config/mt-gnu"
1438 ;;
1439 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
1440 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
1441 # commands to handle both 32-bit and 64-bit objects. These flags are
1442 # harmless if we're using GNU nm or ar.
1443 extra_arflags_for_target=" -X32_64"
1444 extra_nmflags_for_target=" -B -X32_64"
1445 ;;
1446 *-*-darwin*)
1447 # ranlib from Darwin requires the -c flag to look at common symbols.
1448 extra_ranlibflags_for_target=" -c"
1449 ;;
1450 mips*-*-pe | sh*-*-pe | *arm-wince-pe)
1451 target_makefile_frag="config/mt-wince"
1452 ;;
1453 esac
1455 alphaieee_frag=/dev/null
1456 case $target in
1457 alpha*-*-*)
1458 # This just makes sure to use the -mieee option to build target libs.
1459 # This should probably be set individually by each library.
1460 alphaieee_frag="config/mt-alphaieee"
1461 ;;
1462 esac
1464 # If --enable-target-optspace always use -Os instead of -O2 to build
1465 # the target libraries, similarly if it is not specified, use -Os
1466 # on selected platforms.
1467 ospace_frag=/dev/null
1468 case "${enable_target_optspace}:${target}" in
1469 yes:*)
1470 ospace_frag="config/mt-ospace"
1471 ;;
1472 :d30v-*)
1473 ospace_frag="config/mt-d30v"
1474 ;;
1475 :m32r-* | :d10v-* | :fr30-*)
1476 ospace_frag="config/mt-ospace"
1477 ;;
1478 no:* | :*)
1479 ;;
1480 *)
1481 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
1482 ;;
1483 esac
1485 # Set with_gnu_as and with_gnu_ld as appropriate.
1486 #
1487 # This is done by determining whether or not the appropriate directory
1488 # is available, and by checking whether or not specific configurations
1489 # have requested that this magic not happen.
1490 #
1491 # The command line options always override the explicit settings in
1492 # configure.in, and the settings in configure.in override this magic.
1493 #
1494 # If the default for a toolchain is to use GNU as and ld, and you don't
1495 # want to do that, then you should use the --without-gnu-as and
1496 # --without-gnu-ld options for the configure script.
1498 if test x${use_gnu_as} = x &&
1499 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
1500 with_gnu_as=yes
1501 extra_host_args="$extra_host_args --with-gnu-as"
1502 fi
1504 if test x${use_gnu_ld} = x &&
1505 echo " ${configdirs} " | grep " ld " > /dev/null 2>&1 ; then
1506 with_gnu_ld=yes
1507 extra_host_args="$extra_host_args --with-gnu-ld"
1508 fi
1510 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
1511 # can detect this case.
1513 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
1514 with_newlib=yes
1515 extra_host_args="$extra_host_args --with-newlib"
1516 fi
1518 # Default to using --with-stabs for certain targets.
1519 if test x${with_stabs} = x ; then
1520 case "${target}" in
1521 mips*-*-irix[[56]]*)
1522 ;;
1523 mips*-*-* | alpha*-*-osf*)
1524 with_stabs=yes;
1525 extra_host_args="${extra_host_args} --with-stabs"
1526 ;;
1527 esac
1528 fi
1530 # hpux11 in 64bit mode has libraries in a weird place. Arrange to find
1531 # them automatically.
1532 case "${host}" in
1533 hppa*64*-*-hpux11*)
1534 extra_host_args="$extra_host_args -x-libraries=/usr/lib/pa20_64 -x-includes=/usr/X11R6/include"
1535 ;;
1536 esac
1538 # Some systems (e.g., one of the i386-aix systems the gas testers are
1539 # using) don't handle "\$" correctly, so don't use it here.
1540 tooldir='${exec_prefix}'/${target_alias}
1541 build_tooldir=${tooldir}
1543 # Generate default definitions for YACC, M4, LEX and other programs that run
1544 # on the build machine. These are used if the Makefile can't locate these
1545 # programs in objdir.
1546 MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
1547 AC_CHECK_PROGS([CONFIGURED_BISON], [bison], [$MISSING bison])
1548 AC_CHECK_PROGS([CONFIGURED_YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
1549 AC_CHECK_PROGS([CONFIGURED_M4], [gm4 gnum4 m4], [$MISSING m4])
1550 AC_CHECK_PROGS([CONFIGURED_FLEX], [flex], [$MISSING flex])
1551 AC_CHECK_PROGS([CONFIGURED_LEX], [flex lex], [$MISSING flex])
1552 AC_CHECK_PROGS([CONFIGURED_MAKEINFO], makeinfo, [$MISSING makeinfo])
1554 # Create a .gdbinit file which runs the one in srcdir
1555 # and tells GDB to look there for source files.
1557 if test -r ${srcdir}/.gdbinit ; then
1558 case ${srcdir} in
1559 .) ;;
1560 *) cat > ./.gdbinit <<EOF
1561 # ${NO_EDIT}
1562 dir ${srcdir}
1563 dir .
1564 source ${srcdir}/.gdbinit
1565 EOF
1566 ;;
1567 esac
1568 fi
1570 # Make sure that the compiler is able to generate an executable. If it
1571 # can't, we are probably in trouble. We don't care whether we can run the
1572 # executable--we might be using a cross compiler--we only care whether it
1573 # can be created. At this point the main configure script has set CC.
1574 we_are_ok=no
1575 echo "int main () { return 0; }" > conftest.c
1576 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
1577 if test $? = 0 ; then
1578 if test -s conftest || test -s conftest.exe ; then
1579 we_are_ok=yes
1580 fi
1581 fi
1582 case $we_are_ok in
1583 no)
1584 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
1585 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
1586 rm -f conftest*
1587 exit 1
1588 ;;
1589 esac
1590 rm -f conftest*
1592 # The Solaris /usr/ucb/cc compiler does not appear to work.
1593 case "${host}" in
1594 sparc-sun-solaris2*)
1595 CCBASE="`echo ${CC-cc} | sed 's/ .*$//'`"
1596 if test "`type $CCBASE | sed 's/^[[^/]]*//'`" = "/usr/ucb/cc" ; then
1597 could_use=
1598 test -d /opt/SUNWspro/bin && could_use="/opt/SUNWspro/bin"
1599 if test -d /opt/cygnus/bin ; then
1600 if test "$could_use" = "" ; then
1601 could_use="/opt/cygnus/bin"
1602 else
1603 could_use="$could_use or /opt/cygnus/bin"
1604 fi
1605 fi
1606 if test "$could_use" = "" ; then
1607 echo "Warning: compilation may fail because you're using"
1608 echo "/usr/ucb/cc. You should change your PATH or CC "
1609 echo "variable and rerun configure."
1610 else
1611 echo "Warning: compilation may fail because you're using"
1612 echo "/usr/ucb/cc, when you should use the C compiler from"
1613 echo "$could_use. You should change your"
1614 echo "PATH or CC variable and rerun configure."
1615 fi
1616 fi
1617 ;;
1618 esac
1620 # If --enable-shared was set, we must set LD_LIBRARY_PATH so that the
1621 # binutils tools will find libbfd.so.
1622 case "${enable_shared}" in
1623 no | "") SET_LIB_PATH= ;;
1624 *) SET_LIB_PATH="\$(REALLY_SET_LIB_PATH)" ;;
1625 esac
1627 case "${host}" in
1628 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
1629 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
1630 esac
1632 # Record target_configdirs and the configure arguments for target and
1633 # build configuration in Makefile.
1634 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
1635 build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
1637 # Determine whether gdb needs tk/tcl or not.
1638 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
1639 # and in that case we want gdb to be built without tk. Ugh!
1640 # In fact I believe gdb is the *only* package directly dependent on tk,
1641 # so we should be able to put the 'maybe's in unconditionally and
1642 # leave out the maybe dependencies when enable_gdbtk is false. I'm not
1643 # 100% sure that that's safe though.
1645 gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
1646 case "$enable_gdbtk" in
1647 no)
1648 GDB_TK="" ;;
1649 yes)
1650 GDB_TK="${gdb_tk}" ;;
1651 *)
1652 # Only add the dependency on gdbtk when GDBtk is part of the gdb
1653 # distro. Eventually someone will fix this and move Insight, nee
1654 # gdbtk to a separate directory.
1655 if test -d ${srcdir}/gdb/gdbtk ; then
1656 GDB_TK="${gdb_tk}"
1657 else
1658 GDB_TK=""
1659 fi
1660 ;;
1661 esac
1663 # Strip out unwanted targets.
1665 # While at that, we remove Makefiles if we were started for recursive
1666 # configuration, so that the top-level Makefile reconfigures them,
1667 # like we used to do when configure itself was recursive.
1669 # Loop over modules. $extrasub must be used with care, limiting as
1670 # much as possible the usage of range addresses. That's because autoconf
1671 # splits the sed script to overcome limits in the number of commands,
1672 # and relying on carefully-timed sed passes may turn out to be very hard
1673 # to maintain later. In this particular case, you just have to be careful
1674 # not to nest @if/@endif pairs, because configure will not warn you at all.
1676 AC_ARG_ENABLE([bootstrap],
1677 [ --enable-bootstrap[=lean] Enable bootstrapping [no]],,
1678 enable_bootstrap=default)
1680 # Issue errors and warnings for invalid/strange bootstrap combinations.
1681 case "$configdirs" in
1682 *gcc*) have_compiler=yes ;;
1683 *) have_compiler=no ;;
1684 esac
1686 case "$have_compiler:$host:$target:$enable_bootstrap" in
1687 *:*:*:no) ;;
1689 # Default behavior. (We'll) enable bootstrap if we have a compiler
1690 # and we are in a native configuration.
1691 yes:$build:$build:default)
1692 # This will become 'yes'
1693 enable_bootstrap=no ;;
1695 *:*:*:default)
1696 enable_bootstrap=no ;;
1698 # We have a compiler and we are in a native configuration, bootstrap is ok
1699 yes:$build:$build:yes | yes:$build:$build:lean)
1700 ;;
1702 # Other configurations, but we have a compiler. Assume the user knows
1703 # what he's doing.
1704 yes:*:*:yes | yes:*:*:lean)
1705 AC_MSG_WARN([trying to bootstrap a cross compiler])
1706 ;;
1708 # No compiler: if they passed --enable-bootstrap explicitly, fail
1709 no:*:*:yes | no:*:*:lean)
1710 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
1712 # Fail if wrong command line
1713 *)
1714 AC_MSG_ERROR([invalid option for --enable-bootstrap])
1715 ;;
1716 esac
1718 # Adjust the toplevel makefile according to whether bootstrap was selected.
1719 case "$enable_bootstrap" in
1720 yes)
1721 bootstrap_lean='#'
1722 default_target=bootstrap
1723 bootstrap_suffix=bootstrap ;;
1724 lean)
1725 bootstrap_lean=''
1726 default_target=bootstrap
1727 bootstrap_suffix=bootstrap ;;
1728 no)
1729 default_target=all
1730 bootstrap_suffix=no-bootstrap ;;
1731 esac
1732 AC_SUBST(bootstrap_lean)
1733 AC_SUBST(default_target)
1735 for module in ${build_configdirs} ; do
1736 if test -z "${no_recursion}" \
1737 && test -f ${build_subdir}/${module}/Makefile; then
1738 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
1739 rm -f ${build_subdir}/${module}/Makefile
1740 fi
1741 extrasub="$extrasub
1742 /^@if build-$module\$/d
1743 /^@endif build-$module\$/d
1744 /^@if build-$module-$bootstrap_suffix\$/d
1745 /^@endif build-$module-$bootstrap_suffix\$/d"
1746 done
1747 for module in ${configdirs} ; do
1748 if test -z "${no_recursion}" \
1749 && test -f ${module}/Makefile; then
1750 echo 1>&2 "*** removing ${module}/Makefile to force reconfigure"
1751 rm -f ${module}/Makefile
1752 fi
1753 extrasub="$extrasub
1754 /^@if $module\$/d
1755 /^@endif $module\$/d
1756 /^@if $module-$bootstrap_suffix\$/d
1757 /^@endif $module-$bootstrap_suffix\$/d"
1758 done
1759 for module in ${target_configdirs} ; do
1760 if test -z "${no_recursion}" \
1761 && test -f ${target_subdir}/${module}/Makefile; then
1762 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
1763 rm -f ${target_subdir}/${module}/Makefile
1764 fi
1765 extrasub="$extrasub
1766 /^@if target-$module\$/d
1767 /^@endif target-$module\$/d
1768 /^@if target-$module-$bootstrap_suffix\$/d
1769 /^@endif target-$module-$bootstrap_suffix\$/d"
1770 done
1772 extrasub="$extrasub
1773 /^@if /,/^@endif /d"
1775 # Create the serialization dependencies. This uses a temporary file.
1777 AC_ARG_ENABLE([serial-configure],
1778 [ --enable-serial-[{host,target,build}-]configure
1779 Force sequential configuration of
1780 sub-packages for the host, target or build
1781 machine, or all sub-packages])
1783 case ${enable_serial_configure} in
1784 yes)
1785 enable_serial_build_configure=yes
1786 enable_serial_host_configure=yes
1787 enable_serial_target_configure=yes
1788 ;;
1789 esac
1791 # These force 'configure's to be done one at a time, to avoid problems
1792 # with contention over a shared config.cache.
1793 rm -f serdep.tmp
1794 echo '# serdep.tmp' > serdep.tmp
1795 olditem=
1796 test "x${enable_serial_build_configure}" = xyes &&
1797 for item in ${build_configdirs} ; do
1798 case ${olditem} in
1799 "") ;;
1800 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
1801 esac
1802 olditem=${item}
1803 done
1804 olditem=
1805 test "x${enable_serial_host_configure}" = xyes &&
1806 for item in ${configdirs} ; do
1807 case ${olditem} in
1808 "") ;;
1809 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
1810 esac
1811 olditem=${item}
1812 done
1813 olditem=
1814 test "x${enable_serial_target_configure}" = xyes &&
1815 for item in ${target_configdirs} ; do
1816 case ${olditem} in
1817 "") ;;
1818 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
1819 esac
1820 olditem=${item}
1821 done
1822 serialization_dependencies=serdep.tmp
1823 AC_SUBST_FILE(serialization_dependencies)
1825 # Base args. Strip norecursion, cache-file, srcdir, host, build,
1826 # target and nonopt. These are the ones we might not want to pass
1827 # down to subconfigures. Also strip program-prefix, program-suffix,
1828 # and program-transform-name, so that we can pass down a consistent
1829 # program-transform-name. If autoconf has put single quotes around
1830 # any of these arguments (because they contain shell metacharacters)
1831 # then this will fail; in practice this only happens for
1832 # --program-transform-name, so be sure to override --program-transform-name
1833 # at the end of the argument list.
1834 # These will be expanded by make, so quote '$'.
1835 cat <<\EOF_SED > conftestsed
1836 s/ --no[[^ ]]*/ /g
1837 s/ --c[[a-z-]]*[[= ]][[^ ]]*//g
1838 s/ --sr[[a-z-]]*[[= ]][[^ ]]*//g
1839 s/ --ho[[a-z-]]*[[= ]][[^ ]]*//g
1840 s/ --bu[[a-z-]]*[[= ]][[^ ]]*//g
1841 s/ --t[[a-z-]]*[[= ]][[^ ]]*//g
1842 s/ --program-[[pst]][[a-z-]]*[[= ]][[^ ]]*//g
1843 s/ -cache-file[[= ]][[^ ]]*//g
1844 s/ -srcdir[[= ]][[^ ]]*//g
1845 s/ -host[[= ]][[^ ]]*//g
1846 s/ -build[[= ]][[^ ]]*//g
1847 s/ -target[[= ]][[^ ]]*//g
1848 s/ -program-prefix[[= ]][[^ ]]*//g
1849 s/ -program-suffix[[= ]][[^ ]]*//g
1850 s/ -program-transform-name[[= ]][[^ ]]*//g
1851 s/ [[^' -][^ ]*] / /
1852 s/^ *//;s/ *$//
1853 s,\$,$$,g
1854 EOF_SED
1855 sed -f conftestsed <<EOF_SED > conftestsed.out
1856 ${ac_configure_args}
1857 EOF_SED
1858 baseargs=`cat conftestsed.out`
1859 rm -f conftestsed conftestsed.out
1861 # Add in --program-transform-name, after --program-prefix and
1862 # --program-suffix have been applied to it. Autoconf has already
1863 # doubled dollar signs and backslashes in program_transform_name; we want
1864 # the backslashes un-doubled, and then the entire thing wrapped in single
1865 # quotes, because this will be expanded first by make and then by the shell.
1866 # Also, because we want to override the logic in subdir configure scripts to
1867 # choose program_transform_name, replace any s,x,x, with s,y,y,.
1868 sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
1869 ${program_transform_name}
1870 EOF_SED
1871 gcc_transform_name=`cat conftestsed.out`
1872 rm -f conftestsed.out
1873 baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
1875 # For the build-side libraries, we just need to pretend we're native,
1876 # and not use the same cache file. Multilibs are neither needed nor
1877 # desired.
1878 build_configargs="--cache-file=../config.cache --build=${build_alias} --host=${build_alias} ${baseargs}"
1880 # For host modules, accept cache file option, or specification as blank.
1881 case "${cache_file}" in
1882 "") # empty
1883 cache_file_option="" ;;
1884 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
1885 cache_file_option="--cache-file=${cache_file}" ;;
1886 *) # relative path
1887 cache_file_option="--cache-file=../${cache_file}" ;;
1888 esac
1890 # Host dirs don't like to share a cache file either, horribly enough.
1891 # This seems to be due to autoconf 2.5x stupidity.
1892 host_configargs="--cache-file=./config.cache --build=${build_alias} --host=${host_alias} --target=${target_alias} ${extra_host_args} ${baseargs}"
1894 target_configargs=${baseargs}
1896 # Passing a --with-cross-host argument lets the target libraries know
1897 # whether they are being built with a cross-compiler or being built
1898 # native. However, it would be better to use other mechanisms to make the
1899 # sorts of decisions they want to make on this basis. Please consider
1900 # this option to be deprecated. FIXME.
1901 if test x${is_cross_compiler} = xyes ; then
1902 target_configargs="--with-cross-host=${host_alias} ${target_configargs}"
1903 fi
1905 # Default to --enable-multilib.
1906 if test x${enable_multilib} = x ; then
1907 target_configargs="--enable-multilib ${target_configargs}"
1908 fi
1910 # Pass --with-newlib if appropriate. Note that target_configdirs has
1911 # changed from the earlier setting of with_newlib.
1912 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
1913 target_configargs="--with-newlib ${target_configargs}"
1914 fi
1916 # Different target subdirs use different values of certain variables
1917 # (notably CXX). Worse, multilibs use *lots* of different values.
1918 # Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
1919 # it doesn't automatically accept command-line overrides of them.
1920 # This means it's not safe for target subdirs to share a cache file,
1921 # which is disgusting, but there you have it. Hopefully this can be
1922 # fixed in future. It's still worthwhile to use a cache file for each
1923 # directory. I think.
1925 # Pass the appropriate --host, --build, and --cache-file arguments.
1926 target_configargs="--cache-file=./config.cache --host=${target_alias} --build=${build_alias} ${target_configargs}"
1928 # provide a proper gxx_include_dir.
1929 # Note, if you change the default, make sure to fix both here and in
1930 # the gcc and libstdc++-v3 subdirectories.
1931 # Check whether --with-gxx-include-dir or --without-gxx-include-dir was given.
1932 case "${with_gxx_include_dir}" in
1933 yes)
1934 AC_MSG_ERROR([--with-gxx-include-dir=[[dir]] requires a directory])
1935 ;;
1936 no | "")
1937 case "${enable_version_specific_runtime_libs}" in
1938 yes) gxx_include_dir='${libsubdir}/include/c++' ;;
1939 *)
1940 . ${srcdir}/config.if
1941 gxx_include_dir='${prefix}/include/'${libstdcxx_incdir} ;;
1942 esac ;;
1943 *) gxx_include_dir=${with_gxx_include_dir} ;;
1944 esac
1946 FLAGS_FOR_TARGET=
1947 case " $target_configdirs " in
1948 *" newlib "*)
1949 case " $target_configargs " in
1950 *" --with-newlib "*)
1951 case "$target" in
1952 *-cygwin*)
1953 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 $$s/winsup/w32api/include' ;;
1954 esac
1956 # If we're not building GCC, don't discard standard headers.
1957 if test -d ${srcdir}/gcc; then
1958 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
1960 if test "${build}" != "${host}"; then
1961 # On Canadian crosses, CC_FOR_TARGET will have already been set
1962 # by `configure', so we won't have an opportunity to add -Bgcc/
1963 # to it. This is right: we don't want to search that directory
1964 # for binaries, but we want the header files in there, so add
1965 # them explicitly.
1966 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/gcc/include'
1968 # Someone might think of using the pre-installed headers on
1969 # Canadian crosses, in case the installed compiler is not fully
1970 # compatible with the compiler being built. In this case, it
1971 # would be better to flag an error than risking having
1972 # incompatible object files being constructed. We can't
1973 # guarantee that an error will be flagged, but let's hope the
1974 # compiler will do it, when presented with incompatible header
1975 # files.
1976 fi
1977 fi
1979 case "${target}-${is_cross_compiler}" in
1980 i[[3456789]]86-*-linux*-no)
1981 # Here host == target, so we don't need to build gcc,
1982 # so we don't want to discard standard headers.
1983 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
1984 ;;
1985 *)
1986 # If we're building newlib, use its generic headers last, but search
1987 # for any libc-related directories first (so make it the last -B
1988 # switch).
1989 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
1990 ;;
1991 esac
1992 ;;
1993 esac
1994 ;;
1995 esac
1997 # Allow the user to override the flags for
1998 # our build compiler if desired.
1999 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
2001 # On Canadian crosses, we'll be searching the right directories for
2002 # the previously-installed cross compiler, so don't bother to add
2003 # flags for directories within the install tree of the compiler
2004 # being built; programs in there won't even run.
2005 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
2006 # Search for pre-installed headers if nothing else fits.
2007 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
2008 fi
2010 if test "x${use_gnu_ld}" = x &&
2011 echo " ${configdirs} " | grep " ld " > /dev/null ; then
2012 # Arrange for us to find uninstalled linker scripts.
2013 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/ld'
2014 fi
2016 if test "x${CC_FOR_TARGET+set}" = xset; then
2017 :
2018 elif test -d ${srcdir}/gcc; then
2019 CC_FOR_TARGET='$$r/gcc/xgcc -B$$r/gcc/'
2020 elif test "$host" = "$target"; then
2021 CC_FOR_TARGET='$(CC)'
2022 else
2023 CC_FOR_TARGET=`echo gcc | sed "${program_transform_name}"`
2024 fi
2025 CC_FOR_TARGET=$CC_FOR_TARGET' $(FLAGS_FOR_TARGET)'
2027 if test "x${GCJ_FOR_TARGET+set}" = xset; then
2028 :
2029 elif test -d ${srcdir}/gcc; then
2030 GCJ_FOR_TARGET='$$r/gcc/gcj -B$$r/gcc/'
2031 elif test "$host" = "$target"; then
2032 GCJ_FOR_TARGET='gcj'
2033 else
2034 GCJ_FOR_TARGET=`echo gcj | sed "${program_transform_name}"`
2035 fi
2036 GCJ_FOR_TARGET=$GCJ_FOR_TARGET' $(FLAGS_FOR_TARGET)'
2038 if test "x${GFORTRAN_FOR_TARGET+set}" = xset; then
2039 :
2040 elif test -d ${srcdir}/gcc; then
2041 GFORTRAN_FOR_TARGET='$$r/gcc/gfortran -B$$r/gcc/'
2042 elif test "$host" = "$target"; then
2043 GFORTRAN_FOR_TARGET='gfortran'
2044 else
2045 GFORTRAN_FOR_TARGET=`echo gfortran | sed "${program_transform_name}"`
2046 fi
2047 case $GFORTRAN_FOR_TARGET in
2048 *' $(FLAGS_FOR_TARGET)') ;;
2049 *) GFORTRAN_FOR_TARGET=$GFORTRAN_FOR_TARGET' $(FLAGS_FOR_TARGET)' ;;
2050 esac
2052 # Don't use libstdc++-v3's flags to configure/build itself.
2053 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'
2054 raw_libstdcxx_flags='-L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs'
2056 if test "x${CXX_FOR_TARGET+set}" = xset; then
2057 if test "x${RAW_CXX_FOR_TARGET+set}" != xset; then
2058 RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
2059 fi
2060 elif test -d ${srcdir}/gcc; then
2061 # We add -shared-libgcc to CXX_FOR_TARGET whenever we use xgcc instead
2062 # of g++ for linking C++ or Java, because g++ has -shared-libgcc by
2063 # default whereas gcc does not.
2064 # RAW_CXX_FOR_TARGET is for linking C++ or java; CXX_FOR_TARGET is for
2065 # all other cases.
2066 CXX_FOR_TARGET='$$r/gcc/g++ -B$$r/gcc/ -nostdinc++ '$libstdcxx_flags
2067 RAW_CXX_FOR_TARGET='$$r/gcc/xgcc -shared-libgcc -B$$r/gcc/ -nostdinc++ '$raw_libstdcxx_flags
2068 elif test "$host" = "$target"; then
2069 CXX_FOR_TARGET='$(CXX)'
2070 RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
2071 else
2072 CXX_FOR_TARGET=`echo c++ | sed "${program_transform_name}"`
2073 RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
2074 fi
2075 CXX_FOR_TARGET=$CXX_FOR_TARGET' $(FLAGS_FOR_TARGET)'
2076 RAW_CXX_FOR_TARGET=$RAW_CXX_FOR_TARGET' $(FLAGS_FOR_TARGET)'
2078 qCXX_FOR_TARGET=`echo "$CXX_FOR_TARGET" | sed 's,[[&%]],\\\&,g'`
2079 qRAW_CXX_FOR_TARGET=`echo "$RAW_CXX_FOR_TARGET" | sed 's,[[&%]],\\\&,g'`
2081 # We want to defer the evaluation of `cmd`s and shell variables in
2082 # CXX_FOR_TARGET when recursing in the top-level Makefile, such as for
2083 # bootstrap. We'll enclose CXX_FOR_TARGET_FOR_RECURSIVE_MAKE in single
2084 # quotes, but we still have to duplicate `$'s so that shell variables
2085 # can be expanded by the nested make as shell variables, not as make
2086 # macros.
2087 qqCXX_FOR_TARGET=`echo "$qCXX_FOR_TARGET" | sed -e 's,[[$]][[$]],$$$$,g'`
2088 qqRAW_CXX_FOR_TARGET=`echo "$qRAW_CXX_FOR_TARGET" | sed -e 's,[[$]][[$]],$$$$,g'`
2090 # Wrap CC_FOR_TARGET and friends, for certain types of builds.
2091 CC_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${CC_FOR_TARGET}"
2092 GCJ_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${GCJ_FOR_TARGET}"
2093 GFORTRAN_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${GFORTRAN_FOR_TARGET}"
2094 CXX_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${qCXX_FOR_TARGET}"
2095 RAW_CXX_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${qRAW_CXX_FOR_TARGET}"
2096 CXX_FOR_TARGET_FOR_RECURSIVE_MAKE="\$(STAGE_CC_WRAPPER) ${qqCXX_FOR_TARGET}"
2097 RAW_CXX_FOR_TARGET_FOR_RECURSIVE_MAKE="\$(STAGE_CC_WRAPPER) ${qqRAW_CXX_FOR_TARGET}"
2099 # Makefile fragments.
2100 for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
2101 do
2102 eval fragval=\$$frag
2103 if test $fragval != /dev/null; then
2104 eval $frag=${srcdir}/$fragval
2105 fi
2106 done
2107 AC_SUBST_FILE(host_makefile_frag)
2108 AC_SUBST_FILE(target_makefile_frag)
2109 AC_SUBST_FILE(alphaieee_frag)
2110 AC_SUBST_FILE(ospace_frag)
2112 # Miscellanea: directories, flags, etc.
2113 AC_SUBST(SET_LIB_PATH)
2114 AC_SUBST(RPATH_ENVVAR)
2115 AC_SUBST(BUILD_PREFIX)
2116 AC_SUBST(BUILD_PREFIX_1)
2117 AC_SUBST(gcc_version_trigger)
2118 AC_SUBST(gcc_version)
2119 AC_SUBST(tooldir)
2120 AC_SUBST(build_tooldir)
2121 AC_SUBST(GDB_TK)
2122 AC_SUBST(gxx_include_dir)
2123 AC_SUBST(libstdcxx_incdir)
2125 # Build module lists & subconfigure args.
2126 AC_SUBST(build_configargs)
2127 AC_SUBST(build_configdirs)
2129 # Host module lists & subconfigure args.
2130 AC_SUBST(host_configargs)
2131 AC_SUBST(configdirs)
2133 # Target module lists & subconfigure args.
2134 AC_SUBST(target_configargs)
2135 AC_SUBST(target_configdirs)
2137 # Build tools.
2138 AC_SUBST(CC_FOR_BUILD)
2139 AC_SUBST(config_shell)
2141 # Host tools.
2142 NCN_STRICT_CHECK_TOOL(AR, ar)
2143 NCN_STRICT_CHECK_TOOL(AS, as)
2144 NCN_STRICT_CHECK_TOOL(DLLTOOL, dlltool)
2145 NCN_STRICT_CHECK_TOOL(LD, ld)
2146 NCN_STRICT_CHECK_TOOL(NM, nm)
2147 NCN_STRICT_CHECK_TOOL(RANLIB, ranlib, :)
2148 NCN_STRICT_CHECK_TOOL(WINDRES, windres)
2149 NCN_STRICT_CHECK_TOOL(OBJCOPY, objcopy)
2150 NCN_STRICT_CHECK_TOOL(OBJDUMP, objdump)
2151 AC_SUBST(CC)
2152 AC_SUBST(CXX)
2153 AC_SUBST(CFLAGS)
2154 AC_SUBST(CFLAGS_FOR_BUILD)
2155 AC_SUBST(CXXFLAGS)
2157 # Target tools.
2158 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_AR_FOR_TARGET, ar)
2159 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_AS_FOR_TARGET, as)
2160 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_DLLTOOL_FOR_TARGET, dlltool)
2161 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_LD_FOR_TARGET, ld)
2162 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_NM_FOR_TARGET, nm)
2163 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_RANLIB_FOR_TARGET, ranlib, :)
2164 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_WINDRES_FOR_TARGET, windres)
2166 AC_SUBST(GCC_FOR_TARGET)
2167 AC_SUBST(FLAGS_FOR_TARGET)
2168 AC_SUBST(CC_FOR_TARGET)
2169 AC_SUBST(GCJ_FOR_TARGET)
2170 AC_SUBST(GFORTRAN_FOR_TARGET)
2171 AC_SUBST(CXX_FOR_TARGET)
2172 AC_SUBST(RAW_CXX_FOR_TARGET)
2173 AC_SUBST(CXX_FOR_TARGET_FOR_RECURSIVE_MAKE)
2174 AC_SUBST(RAW_CXX_FOR_TARGET_FOR_RECURSIVE_MAKE)
2176 # Fix up target tools.
2177 if test "x${build}" = "x${host}" ; then
2178 # In this case, the newly built tools can and should be used,
2179 # so we override the results of the autoconf tests.
2180 # This should really only happen when the tools are actually being built,
2181 # but that's a further refinement. The new build scheme, where
2182 # tools are built into a structure paralleling where they're installed,
2183 # should also eliminate all of this cleanly.
2184 AR_FOR_TARGET="\$(USUAL_AR_FOR_TARGET)"
2185 AS_FOR_TARGET="\$(USUAL_AS_FOR_TARGET)"
2186 DLLTOOL_FOR_TARGET="\$(USUAL_DLLTOOL_FOR_TARGET)"
2187 LD_FOR_TARGET="\$(USUAL_LD_FOR_TARGET)"
2188 NM_FOR_TARGET="\$(USUAL_NM_FOR_TARGET)"
2189 RANLIB_FOR_TARGET="\$(USUAL_RANLIB_FOR_TARGET)"
2190 WINDRES_FOR_TARGET="\$(USUAL_WINDRES_FOR_TARGET)"
2191 else
2192 # Just use the ones we found.
2193 AR_FOR_TARGET="\$(CONFIGURED_AR_FOR_TARGET)"
2194 AS_FOR_TARGET="\$(CONFIGURED_AS_FOR_TARGET)"
2195 DLLTOOL_FOR_TARGET="\$(CONFIGURED_DLLTOOL_FOR_TARGET)"
2196 LD_FOR_TARGET="\$(CONFIGURED_LD_FOR_TARGET)"
2197 NM_FOR_TARGET="\$(CONFIGURED_NM_FOR_TARGET)"
2198 RANLIB_FOR_TARGET="\$(CONFIGURED_RANLIB_FOR_TARGET)"
2199 WINDRES_FOR_TARGET="\$(CONFIGURED_WINDRES_FOR_TARGET)"
2200 fi
2201 AC_SUBST(AR_FOR_TARGET)
2202 AC_SUBST(AS_FOR_TARGET)
2203 AC_SUBST(DLLTOOL_FOR_TARGET)
2204 AC_SUBST(LD_FOR_TARGET)
2205 AC_SUBST(NM_FOR_TARGET)
2206 AC_SUBST(RANLIB_FOR_TARGET)
2207 AC_SUBST(WINDRES_FOR_TARGET)
2209 # Certain tools may need extra flags.
2210 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
2211 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
2212 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
2214 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
2215 AC_ARG_ENABLE(maintainer-mode,
2216 [ --enable-maintainer-mode enable make rules and dependencies not useful
2217 (and sometimes confusing) to the casual installer],
2218 USE_MAINTAINER_MODE=$enableval,
2219 USE_MAINTAINER_MODE=no)
2220 AC_MSG_RESULT($USE_MAINTAINER_MODE)
2221 AC_SUBST(MAINTAINER_MODE_TRUE)
2222 AC_SUBST(MAINTAINER_MODE_FALSE)
2223 if test "$USE_MAINTAINER_MODE" = yes; then
2224 MAINTAINER_MODE_TRUE=
2225 MAINTAINER_MODE_FALSE='#'
2226 else
2227 MAINTAINER_MODE_TRUE='#'
2228 MAINTAINER_MODE_FALSE=
2229 fi
2230 MAINT=$MAINTAINER_MODE_TRUE
2231 AC_SUBST(MAINT)dnl
2233 # ---------------------
2234 # GCC bootstrap support
2235 # ---------------------
2237 # Stage specific cflags for build.
2238 stage1_cflags="-g"
2239 case $build in
2240 vax-*-*)
2241 case ${GCC} in
2242 yes) stage1_cflags="-g -Wa,-J" ;;
2243 *) stage1_cflags="-g -J" ;;
2244 esac ;;
2245 powerpc-*-darwin*)
2246 # The spiffy cpp-precomp chokes on some legitimate constructs in GCC
2247 # sources; use -no-cpp-precomp to get to GNU cpp.
2248 # Apple's GCC has bugs in designated initializer handling, so disable
2249 # that too.
2250 stage1_cflags="-g -no-cpp-precomp -DHAVE_DESIGNATED_INITIALIZERS=0"
2251 ;;
2252 esac
2253 AC_SUBST(stage1_cflags)
2255 # It makes debugging easier if we create as symlinks the stage directories
2256 # gcc for stageN-gcc and stagePREV-gcc for stage(N-1). In case this is not
2257 # possible, however, we can resort to mv.
2258 AC_CACHE_CHECK([if symbolic links between directories work],
2259 [gcc_cv_prog_ln_s_dir],
2260 [if test "${LN_S}" = "ln -s" \
2261 && mkdir confdir.s1 \
2262 && ln -s confdir.s1 confdir.s2 \
2263 && echo timestamp1 > confdir.s1/conftest.1 \
2264 && cmp confdir.s1/conftest.1 confdir.s2/conftest.1 \
2265 && echo timestamp2 > confdir.s2/conftest.2 \
2266 && cmp confdir.s1/conftest.2 confdir.s1/conftest.2 \
2267 && rm -f confdir.s2; then
2268 gcc_cv_prog_ln_s_dir=yes
2269 else
2270 gcc_cv_prog_ln_s_dir=yes
2271 fi
2272 rm -rf confdir.s1 confdir.s2])
2274 case ${gcc_cv_prog_ln_s_dir} in
2275 yes)
2276 CREATE_LINK_TO_DIR='ln -s $$1 $$2'
2277 UNDO_LINK_TO_DIR='rm -f $$1' ;;
2278 *)
2279 CREATE_LINK_TO_DIR='mv $$1 $$2'
2280 UNDO_LINK_TO_DIR='mv $$1 $$2' ;;
2281 esac
2282 AC_SUBST(CREATE_LINK_TO_DIR)
2283 AC_SUBST(UNDO_LINK_TO_DIR)
2285 # Enable -Werror in bootstrap stage2 and later.
2286 # Change the default to "no" on release branches.
2287 AC_ARG_ENABLE(werror,
2288 [ --enable-werror enable -Werror in bootstrap stage2 and later], [],
2289 [enable_werror=yes])
2290 case ${enable_werror} in
2291 yes) stage2_werror_flag="--enable-werror-always" ;;
2292 *) stage2_werror_flag="" ;;
2293 esac
2294 AC_SUBST(stage2_werror_flag)
2296 AC_OUTPUT(Makefile)