| blob | 8b9d2cb1c97fbaa060def34774ad0fb8d988cde4 |
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 srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}`
85 # We pass INSTALL explicitly to sub-makes. Make sure that it is not
86 # a relative path.
87 if test "$INSTALL" = "${srcdir}/install-sh -c"; then
88 INSTALL="${srcpwd}/install-sh -c"
89 fi
91 # Set srcdir to "." if that's what it is.
92 # This is important for multilib support.
93 pwd=`${PWDCMD-pwd}`
94 if test "${pwd}" = "${srcpwd}" ; then
95 srcdir=.
96 fi
98 topsrcdir=$srcpwd
100 extra_host_args=
102 ### To add a new directory to the tree, first choose whether it is a target
103 ### or a host dependent tool. Then put it into the appropriate list
104 ### (library or tools, host or target), doing a dependency sort.
106 # Subdirs will be configured in the order listed in build_configdirs,
107 # configdirs, or target_configdirs; see the serialization section below.
109 # Dependency sorting is only needed when *configuration* must be done in
110 # a particular order. In all cases a dependency should be specified in
111 # the Makefile, whether or not it's implicitly specified here.
113 # Double entries in build_configdirs, configdirs, or target_configdirs may
114 # cause circular dependencies and break everything horribly.
116 # these library is used by various programs built for the build
117 # environment
118 #
119 build_libs="build-libiberty"
121 # these tools are built for the build environment
122 build_tools="build-texinfo build-byacc build-flex build-bison build-m4 build-fixincludes"
124 # these libraries are used by various programs built for the host environment
125 #
126 host_libs="intl mmalloc libiberty opcodes bfd readline tcl tk itcl libgui zlib libcpp"
128 # these tools are built for the host environment
129 # Note, the powerpc-eabi build depends on sim occurring before gdb in order to
130 # know that we are building the simulator.
131 # binutils, gas and ld appear in that order because it makes sense to run
132 # "make check" in that particular order.
133 host_tools="texinfo byacc flex bison binutils gas ld fixincludes gcc sid sim gdb make patch prms send-pr gprof etc expect dejagnu ash bash bzip2 m4 autoconf automake libtool diff rcs fileutils shellutils time textutils wdiff find uudecode hello tar gzip indent recode release sed utils guile perl gawk findutils gettext zip fastjar gnattools"
135 # libgcj represents the runtime libraries only used by gcj.
136 libgcj="target-libffi \
137 target-boehm-gc \
138 target-zlib \
139 target-qthreads \
140 target-libjava"
142 # these libraries are built for the target environment, and are built after
143 # the host libraries and the host tools (which may be a cross compiler)
144 #
145 target_libraries="target-libiberty \
146 target-libgloss \
147 target-newlib \
148 target-libstdc++-v3 \
149 target-libmudflap \
150 target-libssp \
151 target-libgfortran \
152 ${libgcj} \
153 target-libobjc \
154 target-libada"
156 # these tools are built using the target libraries, and are intended to
157 # run only in the target environment
158 #
159 # note: any program that *uses* libraries that are in the "target_libraries"
160 # list belongs in this list. those programs are also very likely
161 # candidates for the "native_only" list which follows
162 #
163 target_tools="target-examples target-groff target-gperf target-rda"
165 ################################################################################
167 ## All tools belong in one of the four categories, and are assigned above
168 ## We assign ${configdirs} this way to remove all embedded newlines. This
169 ## is important because configure will choke if they ever get through.
170 ## ${configdirs} is directories we build using the host tools.
171 ## ${target_configdirs} is directories we build using the target tools.
172 configdirs=`echo ${host_libs} ${host_tools}`
173 target_configdirs=`echo ${target_libraries} ${target_tools}`
174 build_configdirs=`echo ${build_libs} ${build_tools}`
176 ################################################################################
178 srcname="gnu development package"
180 # This gets set non-empty for some net releases of packages.
181 appdirs=""
183 # Define is_cross_compiler to save on calls to 'test'.
184 is_cross_compiler=
185 if test x"${host}" = x"${target}" ; then
186 is_cross_compiler=no
187 else
188 is_cross_compiler=yes
189 fi
191 # Find the build and target subdir names.
192 GCC_TOPLEV_SUBDIRS
194 # Skipdirs are removed silently.
195 skipdirs=
196 # Noconfigdirs are removed loudly.
197 noconfigdirs=""
199 use_gnu_ld=
200 # Make sure we don't let GNU ld be added if we didn't want it.
201 if test x$with_gnu_ld = xno ; then
202 use_gnu_ld=no
203 noconfigdirs="$noconfigdirs ld"
204 fi
206 use_gnu_as=
207 # Make sure we don't let GNU as be added if we didn't want it.
208 if test x$with_gnu_as = xno ; then
209 use_gnu_as=no
210 noconfigdirs="$noconfigdirs gas"
211 fi
213 # some tools are so dependent upon X11 that if we're not building with X,
214 # it's not even worth trying to configure, much less build, that tool.
216 case ${with_x} in
217 yes | "") ;; # the default value for this tree is that X11 is available
218 no)
219 skipdirs="${skipdirs} tk itcl libgui"
220 # We won't be able to build gdbtk without X.
221 enable_gdbtk=no
222 ;;
223 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
224 esac
226 # Some tools are only suitable for building in a "native" situation.
227 # Remove these if host!=target.
228 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"
230 # Similarly, some are only suitable for cross toolchains.
231 # Remove these if host=target.
232 cross_only="target-libgloss target-newlib target-opcodes"
234 case $is_cross_compiler in
235 no) skipdirs="${skipdirs} ${cross_only}" ;;
236 yes) skipdirs="${skipdirs} ${native_only}" ;;
237 esac
239 # If both --with-headers and --with-libs are specified, default to
240 # --without-newlib.
241 if test x"${with_headers}" != x && test x"${with_headers}" != xno \
242 && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
243 if test x"${with_newlib}" = x ; then
244 with_newlib=no
245 fi
246 fi
248 # Recognize --with-newlib/--without-newlib.
249 case ${with_newlib} in
250 no) skipdirs="${skipdirs} target-newlib" ;;
251 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
252 esac
254 # Configure extra directories which are host specific
256 case "${host}" in
257 *-cygwin*)
258 configdirs="$configdirs libtermcap" ;;
259 esac
261 # A target can indicate whether a language isn't supported for some reason.
262 # Only spaces may be used in this macro; not newlines or tabs.
263 unsupported_languages=
265 # Remove more programs from consideration, based on the host or
266 # target this usually means that a port of the program doesn't
267 # exist yet.
269 case "${host}" in
270 hppa*64*-*-*)
271 noconfigdirs="$noconfigdirs byacc"
272 ;;
273 i[[3456789]]86-*-vsta)
274 noconfigdirs="$noconfigdirs tcl expect dejagnu make texinfo bison patch flex byacc send-pr gprof uudecode dejagnu diff guile perl itcl gnuserv gettext"
275 ;;
276 i[[3456789]]86-*-go32* | i[[3456789]]86-*-msdosdjgpp*)
277 noconfigdirs="$noconfigdirs tcl tk expect dejagnu send-pr uudecode guile itcl gnuserv libffi"
278 ;;
279 i[[3456789]]86-*-mingw32*)
280 # noconfigdirs="tcl tk expect dejagnu make texinfo bison patch flex byacc send-pr uudecode dejagnu diff guile perl itcl gnuserv"
281 noconfigdirs="$noconfigdirs expect dejagnu autoconf automake send-pr rcs guile perl texinfo libtool"
282 ;;
283 i[[3456789]]86-*-beos*)
284 noconfigdirs="$noconfigdirs tk itcl libgui gdb"
285 ;;
286 *-*-cygwin*)
287 noconfigdirs="$noconfigdirs autoconf automake send-pr rcs guile perl"
288 ;;
289 *-*-netbsd*)
290 noconfigdirs="$noconfigdirs rcs"
291 ;;
292 ppc*-*-pe)
293 noconfigdirs="$noconfigdirs patch diff make tk tcl expect dejagnu autoconf automake texinfo bison send-pr gprof rcs guile perl itcl gnuserv"
294 ;;
295 powerpc-*-beos*)
296 noconfigdirs="$noconfigdirs tk itcl libgui gdb dejagnu readline"
297 ;;
298 esac
301 AC_ARG_ENABLE(libada,
302 [ --enable-libada Builds libada directory],
303 ENABLE_LIBADA=$enableval,
304 ENABLE_LIBADA=yes)
305 if test "${ENABLE_LIBADA}" != "yes" ; then
306 noconfigdirs="$noconfigdirs target-libada"
307 noconfigdirs="$noconfigdirs gnattools"
308 fi
310 AC_ARG_ENABLE(libssp,
311 [ --enable-libssp Builds libssp directory],
312 ENABLE_LIBSSP=$enableval,
313 ENABLE_LIBSSP=yes)
314 if test "${ENABLE_LIBSSP}" != "yes" ; then
315 noconfigdirs="$noconfigdirs target-libssp"
316 fi
318 # Save it here so that, even in case of --enable-libgcj, if the Java
319 # front-end isn't enabled, we still get libgcj disabled.
320 libgcj_saved=$libgcj
321 case $enable_libgcj in
322 yes)
323 # If we reset it here, it won't get added to noconfigdirs in the
324 # target-specific build rules, so it will be forcibly enabled
325 # (unless the Java language itself isn't enabled).
326 libgcj=
327 ;;
328 no)
329 # Make sure we get it printed in the list of not supported target libs.
330 noconfigdirs="$noconfigdirs ${libgcj}"
331 ;;
332 esac
335 # Allow --disable-libmudflap to exclude target-libmudflap
336 case $enable_libmudflap in
337 yes)
338 ;;
339 no)
340 noconfigdirs="$noconfigdirs target-libmudflap"
341 ;;
342 "")
343 case "${target}" in
344 *-*-linux*-gnu | *-*-gnu* | *-*-k*bsd*-gnu)
345 # Enable libmudflap by default in GNU and friends.
346 ;;
347 *-*-freebsd*)
348 # Enable libmudflap by default in FreeBSD.
349 ;;
350 *)
351 # Disable it by default everywhere else.
352 noconfigdirs="$noconfigdirs target-libmudflap"
353 ;;
354 esac
355 esac
358 case "${target}" in
359 *-*-chorusos)
360 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
361 ;;
362 powerpc-*-darwin*)
363 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes gdb gprof"
364 noconfigdirs="$noconfigdirs sim target-rda"
365 ;;
366 *-*-darwin*)
367 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes gdb gprof"
368 noconfigdirs="$noconfigdirs sim target-rda"
369 noconfigdirs="$noconfigdirs ${libgcj}"
370 ;;
371 *-*-freebsd[[12]] | *-*-freebsd[[12]].* | *-*-freebsd*aout*)
372 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
373 ;;
374 *-*-freebsd*)
375 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
376 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
377 && test -f /usr/local/include/gmp.h; then
378 with_gmp=/usr/local
379 fi
381 # Skip some stuff that's unsupported on some FreeBSD configurations.
382 case "${target}" in
383 i*86-*-*) ;;
384 alpha*-*-*) ;;
385 *)
386 noconfigdirs="$noconfigdirs ${libgcj}"
387 ;;
388 esac
389 ;;
390 *-*-kaos*)
391 # Remove unsupported stuff on all kaOS configurations.
392 skipdirs="target-libiberty ${libgcj} target-libstdc++-v3 target-librx"
393 skipdirs="$skipdirs target-libobjc target-examples target-groff target-gperf"
394 skipdirs="$skipdirs zlib fastjar target-libjava target-boehm-gc target-zlib"
395 noconfigdirs="$noconfigdirs target-libgloss"
396 ;;
397 *-*-netbsd*)
398 # Skip some stuff on all NetBSD configurations.
399 noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss"
401 # Skip some stuff that's unsupported on some NetBSD configurations.
402 case "${target}" in
403 i*86-*-netbsdelf*) ;;
404 arm*-*-netbsdelf*) ;;
405 *)
406 noconfigdirs="$noconfigdirs ${libgcj}"
407 ;;
408 esac
409 ;;
410 *-*-netware*)
411 noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss ${libgcj} target-libmudflap"
412 ;;
413 *-*-rtems*)
414 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
415 ;;
416 # The tpf target doesn't support gdb yet.
417 *-*-tpf*)
418 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libiberty ${libgcj} target-libmudflap gdb tcl tk libgui itcl"
419 ;;
420 *-*-uclinux*)
421 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-rda ${libgcj}"
422 ;;
423 *-*-vxworks*)
424 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libiberty ${libgcj}"
425 ;;
426 alpha*-dec-osf*)
427 # ld works, but does not support shared libraries.
428 # newlib is not 64 bit ready. I'm not sure about fileutils.
429 # gas doesn't generate exception information.
430 noconfigdirs="$noconfigdirs gas ld fileutils target-newlib target-libgloss"
431 ;;
432 alpha*-*-*vms*)
433 noconfigdirs="$noconfigdirs gdb ld target-newlib target-libgloss ${libgcj}"
434 ;;
435 alpha*-*-linux*)
436 # newlib is not 64 bit ready
437 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
438 ;;
439 alpha*-*-*)
440 # newlib is not 64 bit ready
441 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
442 ;;
443 am33_2.0-*-linux*)
444 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
445 ;;
446 sh-*-linux*)
447 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
448 ;;
449 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
450 noconfigdirs="$noconfigdirs ${libgcj}"
451 noconfigdirs="$noconfigdirs target-examples"
452 noconfigdirs="$noconfigdirs target-libiberty texinfo send-pr"
453 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
454 noconfigdirs="$noconfigdirs expect dejagnu"
455 # the C++ libraries don't build on top of CE's C libraries
456 noconfigdirs="$noconfigdirs target-libstdc++-v3"
457 noconfigdirs="$noconfigdirs target-newlib"
458 case "${host}" in
459 *-*-cygwin*) ;; # keep gdb and readline
460 *) noconfigdirs="$noconfigdirs gdb readline"
461 ;;
462 esac
463 ;;
464 arc-*-*)
465 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
466 ;;
467 arm-semi-aof )
468 ;;
469 arm-*-coff | strongarm-*-coff | xscale-*-coff)
470 noconfigdirs="$noconfigdirs ${libgcj}"
471 ;;
472 arm-*-elf* | strongarm-*-elf* | xscale-*-elf* | arm*-*-eabi* )
473 noconfigdirs="$noconfigdirs target-libffi target-qthreads"
474 ;;
475 arm*-*-symbianelf*)
476 noconfigdirs="$noconfigdirs ${libgcj} target-libiberty"
477 ;;
478 arm-*-pe*)
479 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
480 ;;
481 thumb-*-coff)
482 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
483 ;;
484 thumb-*-elf)
485 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
486 ;;
487 thumb-*-pe)
488 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
489 ;;
490 arm-*-riscix*)
491 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
492 ;;
493 avr-*-*)
494 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
495 ;;
496 c4x-*-* | tic4x-*-*)
497 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
498 ;;
499 c54x*-*-* | tic54x-*-*)
500 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj} gcc gdb newlib"
501 ;;
502 cris-*-* | crisv32-*-*)
503 unsupported_languages="$unsupported_languages java"
504 case "${target}" in
505 *-*-aout)
506 unsupported_languages="$unsupported_languages f95"
507 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";;
508 *-*-elf)
509 unsupported_languages="$unsupported_languages f95"
510 noconfigdirs="$noconfigdirs target-boehm-gc";;
511 *-*-linux*)
512 noconfigdirs="$noconfigdirs target-newlib target-libgloss";;
513 *)
514 unsupported_languages="$unsupported_languages f95"
515 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss";;
516 esac
517 ;;
518 crx-*-*)
519 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-mudflap ${libgcj}"
520 ;;
521 d10v-*-*)
522 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
523 ;;
524 d30v-*-*)
525 noconfigdirs="$noconfigdirs ${libgcj} gdb"
526 ;;
527 fr30-*-elf*)
528 noconfigdirs="$noconfigdirs ${libgcj} gdb"
529 ;;
530 frv-*-*)
531 noconfigdirs="$noconfigdirs ${libgcj}"
532 ;;
533 h8300*-*-*)
534 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
535 ;;
536 h8500-*-*)
537 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
538 ;;
539 hppa1.1-*-osf* | hppa1.1-*-bsd* )
540 ;;
541 hppa*64*-*-linux* | parisc*64*-*-linux*)
542 # In this case, it's because the hppa64-linux target is for
543 # the kernel only at this point and has no libc, and thus no
544 # headers, crt*.o, etc., all of which are needed by these.
545 noconfigdirs="$noconfigdirs target-zlib"
546 ;;
547 parisc*-*-linux* | hppa*-*-linux*)
548 ;;
549 hppa*-*-*elf* | \
550 hppa*-*-lites* | \
551 hppa*-*-openbsd* | \
552 hppa*64*-*-*)
553 noconfigdirs="$noconfigdirs ${libgcj}"
554 ;;
555 hppa*-*-*)
556 # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
557 # build on HP-UX 10.20.
558 noconfigdirs="$noconfigdirs ld shellutils ${libgcj}"
559 ;;
560 i960-*-*)
561 noconfigdirs="$noconfigdirs ${libgcj} gdb"
562 ;;
563 ia64*-*-elf*)
564 # No gdb support yet.
565 noconfigdirs="$noconfigdirs readline mmalloc libgui itcl gdb"
566 ;;
567 ia64*-**-hpux*)
568 # No gdb or ld support yet.
569 noconfigdirs="$noconfigdirs ${libgcj} readline mmalloc libgui itcl gdb ld"
570 ;;
571 i370-*-opened*)
572 ;;
573 i[[3456789]]86-*-coff | i[[3456789]]86-*-elf)
574 noconfigdirs="$noconfigdirs ${libgcj}"
575 ;;
576 i[[3456789]]86-*-linux*)
577 # The GCC port for glibc1 has no MD_FALLBACK_FRAME_STATE_FOR, so let's
578 # not build java stuff by default.
579 case "${target}" in
580 *-*-*libc1*)
581 noconfigdirs="$noconfigdirs ${libgcj}";;
582 esac
584 # This section makes it possible to build newlib natively on linux.
585 # If we are using a cross compiler then don't configure newlib.
586 if test x${is_cross_compiler} != xno ; then
587 noconfigdirs="$noconfigdirs target-newlib"
588 fi
589 noconfigdirs="$noconfigdirs target-libgloss"
590 # If we are not using a cross compiler, do configure newlib.
591 # Note however, that newlib will only be configured in this situation
592 # if the --with-newlib option has been given, because otherwise
593 # 'target-newlib' will appear in skipdirs.
594 ;;
595 i[[3456789]]86-*-mingw32*)
596 target_configdirs="$target_configdirs target-mingw"
597 noconfigdirs="$noconfigdirs expect target-libgloss ${libgcj}"
599 # Can't build gdb for mingw32 if not native.
600 case "${host}" in
601 i[[3456789]]86-*-mingw32) ;; # keep gdb tcl tk expect etc.
602 *) noconfigdirs="$noconfigdirs gdb tcl tk expect itcl gnuserv"
603 ;;
604 esac
605 ;;
606 *-*-cygwin*)
607 target_configdirs="$target_configdirs target-libtermcap target-winsup"
608 noconfigdirs="$noconfigdirs target-gperf target-libgloss ${libgcj}"
609 # always build newlib if winsup directory is present.
610 if test -d "$srcdir/winsup"; then
611 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
612 elif test -d "$srcdir/newlib"; then
613 echo "Warning: winsup is missing so newlib can't be built."
614 fi
616 # Can't build gdb for Cygwin if not native.
617 case "${host}" in
618 *-*-cygwin*) ;; # keep gdb tcl tk expect etc.
619 *) noconfigdirs="$noconfigdirs gdb tcl tk expect itcl libgui gnuserv"
620 ;;
621 esac
622 ;;
623 i[[3456789]]86-moss-msdos | i[[3456789]]86-*-moss* | \
624 i[[3456789]]86-*-uwin* | i[[3456789]]86-*-interix* )
625 ;;
626 i[[3456789]]86-*-pe)
627 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
628 ;;
629 i[[3456789]]86-*-sco3.2v5*)
630 # The linker does not yet know about weak symbols in COFF,
631 # and is not configured to handle mixed ELF and COFF.
632 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
633 ;;
634 i[[3456789]]86-*-sco*)
635 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
636 ;;
637 i[[3456789]]86-*-solaris2*)
638 noconfigdirs="$noconfigdirs target-libgloss"
639 ;;
640 i[[3456789]]86-*-sysv4*)
641 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
642 ;;
643 i[[3456789]]86-*-beos*)
644 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
645 ;;
646 m32r-*-*)
647 noconfigdirs="$noconfigdirs ${libgcj}"
648 ;;
649 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
650 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
651 ;;
652 m68k-*-elf*)
653 noconfigdirs="$noconfigdirs ${libgcj}"
654 ;;
655 m68k-*-coff*)
656 noconfigdirs="$noconfigdirs ${libgcj}"
657 ;;
658 mcore-*-pe*)
659 # The EPOC C++ environment does not support exceptions or rtti,
660 # and so building libstdc++-v3 tends not to always work.
661 noconfigdirs="$noconfigdirs target-libstdc++-v3"
662 ;;
663 mmix-*-*)
664 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc gdb libgloss"
665 unsupported_languages="$unsupported_languages f95 java"
666 ;;
667 mn10200-*-*)
668 noconfigdirs="$noconfigdirs ${libgcj}"
669 ;;
670 mn10300-*-*)
671 noconfigdirs="$noconfigdirs ${libgcj}"
672 ;;
673 ms1-*-*)
674 noconfigdirs="$noconfigdirs sim"
675 ;;
676 powerpc-*-aix*)
677 # copied from rs6000-*-* entry
678 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
679 ;;
680 powerpc*-*-winnt* | powerpc*-*-pe* | ppc*-*-pe)
681 target_configdirs="$target_configdirs target-winsup"
682 noconfigdirs="$noconfigdirs gdb tcl tk make expect target-libgloss itcl gnuserv ${libgcj}"
683 # always build newlib.
684 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
685 ;;
686 # This is temporary until we can link against shared libraries
687 powerpcle-*-solaris*)
688 noconfigdirs="$noconfigdirs gdb sim make tcl tk expect itcl gnuserv ${libgcj}"
689 ;;
690 powerpc-*-beos*)
691 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
692 ;;
693 powerpc-*-eabi)
694 noconfigdirs="$noconfigdirs ${libgcj}"
695 ;;
696 powerpc-*-eabi* | powerpcle-*-eabi* | powerpc-*-rtems* )
697 ;;
698 rs6000-*-lynxos*)
699 noconfigdirs="$noconfigdirs target-newlib gprof ${libgcj}"
700 ;;
701 rs6000-*-aix*)
702 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
703 ;;
704 rs6000-*-*)
705 noconfigdirs="$noconfigdirs gprof ${libgcj}"
706 ;;
707 m68k-apollo-*)
708 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss ${libgcj}"
709 ;;
710 mips*-*-irix5*)
711 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
712 ;;
713 mips*-*-irix6*)
714 # Linking libjava exceeds command-line length limits on at least
715 # IRIX 6.2, but not on IRIX 6.5.
716 # Also, boehm-gc won't build on IRIX 6.5, according to Jeffrey Oldham
717 # <oldham@codesourcery.com>
718 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
719 ;;
720 mips*-dec-bsd*)
721 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
722 ;;
723 mips*-*-bsd*)
724 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
725 ;;
726 mipstx39-*-*)
727 noconfigdirs="$noconfigdirs gprof ${libgcj}" # same as generic mips
728 ;;
729 mips64*-*-linux*)
730 noconfigdirs="$noconfigdirs target-newlib ${libgcj}"
731 ;;
732 mips*-*-linux*)
733 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
734 ;;
735 mips*-*-*)
736 noconfigdirs="$noconfigdirs gprof ${libgcj}"
737 ;;
738 romp-*-*)
739 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes target-libgloss ${libgcj}"
740 ;;
741 sh-*-* | sh64-*-*)
742 case "${host}" in
743 i[[3456789]]86-*-vsta) ;; # don't add gprof back in
744 i[[3456789]]86-*-go32*) ;; # don't add gprof back in
745 i[[3456789]]86-*-msdosdjgpp*) ;; # don't add gprof back in
746 *) skipdirs=`echo " ${skipdirs} " | sed -e 's/ gprof / /'` ;;
747 esac
748 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
749 ;;
750 sparc-*-elf*)
751 noconfigdirs="$noconfigdirs ${libgcj}"
752 ;;
753 sparc64-*-elf*)
754 noconfigdirs="$noconfigdirs ${libgcj}"
755 ;;
756 sparclite-*-*)
757 noconfigdirs="$noconfigdirs ${libgcj}"
758 ;;
759 sparc-*-sunos4*)
760 noconfigdirs="$noconfigdirs ${libgcj}"
761 if test x${is_cross_compiler} != xno ; then
762 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
763 else
764 use_gnu_ld=no
765 fi
766 ;;
767 sparc-*-solaris2.[[0-6]] | sparc-*-solaris2.[[0-6]].*)
768 noconfigdirs="$noconfigdirs ${libgcj}"
769 ;;
770 sparc-*-solaris* | sparc64-*-solaris* | sparcv9-*-solaris*)
771 ;;
772 v810-*-*)
773 noconfigdirs="$noconfigdirs bfd binutils gas gcc gdb ld target-libstdc++-v3 opcodes target-libgloss ${libgcj}"
774 ;;
775 v850-*-*)
776 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
777 ;;
778 v850e-*-*)
779 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
780 ;;
781 v850ea-*-*)
782 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
783 ;;
784 vax-*-vms)
785 noconfigdirs="$noconfigdirs bfd binutils gdb ld target-newlib opcodes target-libgloss ${libgcj}"
786 ;;
787 vax-*-*)
788 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
789 ;;
790 xtensa-*-*)
791 noconfigdirs="$noconfigdirs ${libgcj}"
792 ;;
793 ip2k-*-*)
794 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
795 ;;
796 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu)
797 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
798 ;;
799 *-*-lynxos*)
800 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
801 ;;
802 *-*-*)
803 noconfigdirs="$noconfigdirs ${libgcj}"
804 ;;
805 esac
807 # If we aren't building newlib, then don't build libgloss, since libgloss
808 # depends upon some newlib header files.
809 case "${noconfigdirs}" in
810 *target-libgloss*) ;;
811 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
812 esac
814 # Work in distributions that contain no compiler tools, like Autoconf.
815 tentative_cc=""
816 host_makefile_frag=/dev/null
817 if test -d ${srcdir}/config ; then
818 case "${host}" in
819 m68k-hp-hpux*)
820 # Avoid "too much defining" errors from HPUX compiler.
821 tentative_cc="cc -Wp,-H256000"
822 # If "ar" in $PATH is GNU ar, the symbol table may need rebuilding.
823 # If it's HP/UX ar, this should be harmless.
824 RANLIB="ar ts"
825 ;;
826 m68k-apollo-sysv*)
827 tentative_cc="cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DUSG"
828 ;;
829 m68k-apollo-bsd*)
830 #None of the Apollo compilers can compile gas or binutils. The preprocessor
831 # chokes on bfd, the compiler won't let you assign integers to enums, and
832 # other problems. Defining CC to gcc is a questionable way to say "don't use
833 # the apollo compiler" (the preferred version of GCC could be called cc,
834 # or whatever), but I'm not sure leaving CC as cc is any better...
835 #CC=cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DNO_STDARG
836 # Used to have BISON=yacc.
837 tentative_cc=gcc
838 ;;
839 m88k-dg-dgux*)
840 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
841 ;;
842 m88k-harris-cxux*)
843 # Under CX/UX, we want to tell the compiler to use ANSI mode.
844 tentative_cc="cc -Xa"
845 host_makefile_frag="config/mh-cxux"
846 ;;
847 m88k-motorola-sysv*)
848 ;;
849 mips*-dec-ultrix*)
850 tentative_cc="cc -Wf,-XNg1000"
851 host_makefile_frag="config/mh-decstation"
852 ;;
853 mips*-nec-sysv4*)
854 # The C compiler on NEC MIPS SVR4 needs bigger tables.
855 tentative_cc="cc -ZXNd=5000 -ZXNg=1000"
856 host_makefile_frag="config/mh-necv4"
857 ;;
858 mips*-sgi-irix4*)
859 # Tell compiler to use K&R C. We can't compile under the SGI Ansi
860 # environment. Also bump switch table size so that cp-parse will
861 # compile. Bump string length limit so linker builds.
862 tentative_cc="cc -cckr -Wf,-XNg1500 -Wf,-XNk1000 -Wf,-XNh2000 -Wf,-XNl8192"
863 ;;
864 mips*-*-sysv4*)
865 host_makefile_frag="config/mh-sysv4"
866 ;;
867 mips*-*-sysv*)
868 # This is for a MIPS running RISC/os 4.52C.
870 # This is needed for GDB, but needs to be in the top-level make because
871 # if a library is compiled with the bsd headers and gets linked with the
872 # sysv system libraries all hell can break loose (e.g. a jmp_buf might be
873 # a different size).
874 # ptrace(2) apparently has problems in the BSD environment. No workaround is
875 # known except to select the sysv environment. Could we use /proc instead?
876 # These "sysv environments" and "bsd environments" often end up being a pain.
877 #
878 # This is not part of CFLAGS because perhaps not all C compilers have this
879 # option.
880 tentative_cc="cc -systype sysv"
881 ;;
882 i370-ibm-opened*)
883 tentative_cc="c89"
884 ;;
885 i[[3456789]]86-*-sysv5*)
886 host_makefile_frag="config/mh-sysv5"
887 ;;
888 i[[3456789]]86-*-dgux*)
889 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
890 host_makefile_frag="config/mh-dgux386"
891 ;;
892 i[[3456789]]86-ncr-sysv4.3*)
893 # The MetaWare compiler will generate a copyright message unless you
894 # turn it off by adding the -Hnocopyr flag.
895 tentative_cc="cc -Hnocopyr"
896 ;;
897 i[[3456789]]86-ncr-sysv4*)
898 # for an NCR 3000 (i486/SVR4) system.
899 # The NCR 3000 ships with a MetaWare compiler installed as /bin/cc.
900 # This compiler not only emits obnoxious copyright messages every time
901 # you run it, but it chokes and dies on a whole bunch of GNU source
902 # files. Default to using the AT&T compiler installed in /usr/ccs/ATT/cc.
903 tentative_cc="/usr/ccs/ATT/cc"
904 host_makefile_frag="config/mh-ncr3000"
905 ;;
906 i[[3456789]]86-*-sco3.2v5*)
907 ;;
908 i[[3456789]]86-*-sco*)
909 # The native C compiler botches some simple uses of const. Unfortunately,
910 # it doesn't defined anything like "__sco__" for us to test for in ansidecl.h.
911 tentative_cc="cc -Dconst="
912 host_makefile_frag="config/mh-sco"
913 ;;
914 i[[3456789]]86-*-udk*)
915 host_makefile_frag="config/mh-sysv5"
916 ;;
917 i[[3456789]]86-*-solaris2*)
918 host_makefile_frag="config/mh-sysv4"
919 ;;
920 i[[3456789]]86-*-msdosdjgpp*)
921 host_makefile_frag="config/mh-djgpp"
922 ;;
923 *-cygwin*)
924 host_makefile_frag="config/mh-cygwin"
925 ;;
926 *-mingw32*)
927 ;;
928 *-interix*)
929 host_makefile_frag="config/mh-interix"
930 ;;
931 vax-*-ultrix2*)
932 # The old BSD pcc isn't up to compiling parts of gdb so use gcc
933 tentative_cc=gcc
934 ;;
935 *-*-solaris2*)
936 host_makefile_frag="config/mh-solaris"
937 ;;
938 m68k-sun-sunos*)
939 # Sun's C compiler needs the -J flag to be able to compile cp-parse.c
940 # without overflowing the jump tables (-J says to use a 32 bit table)
941 tentative_cc="cc -J"
942 ;;
943 *-hp-hpux*)
944 tentative_cc="cc -Wp,-H256000"
945 ;;
946 *-*-hiux*)
947 tentative_cc="cc -Wp,-H256000"
948 ;;
949 rs6000-*-lynxos*)
950 # /bin/cc is less than useful for our purposes. Always use GCC
951 tentative_cc="/usr/cygnus/progressive/bin/gcc"
952 host_makefile_frag="config/mh-lynxrs6k"
953 ;;
954 powerpc-*-darwin*)
955 host_makefile_frag="config/mh-ppc-darwin"
956 ;;
957 *-*-lynxos*)
958 # /bin/cc is less than useful for our purposes. Always use GCC
959 tentative_cc="/bin/gcc"
960 ;;
961 *-*-sysv4*)
962 host_makefile_frag="config/mh-sysv4"
963 ;;
964 # This is placed last to prevent interfering with the cases above.
965 i[[3456789]]86-*-*)
966 # Build the stage2 and stage3 compilers with -fomit-frame-pointer.
967 host_makefile_frag="config/mh-x86omitfp"
968 ;;
969 esac
970 fi
972 # If we aren't going to be using gcc, see if we can extract a definition
973 # of CC from the fragment.
974 # Actually, use the 'pre-extracted' version above.
975 if test -z "${CC}" && test "${build}" = "${host}" ; then
976 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
977 found=
978 for dir in $PATH; do
979 test -z "$dir" && dir=.
980 if test -f $dir/gcc; then
981 found=yes
982 break
983 fi
984 done
985 IFS="$save_ifs"
986 if test -z "${found}" && test -n "${tentative_cc}" ; then
987 CC=$tentative_cc
988 fi
989 fi
991 if test "${build}" != "${host}" ; then
992 # If we are doing a Canadian Cross, in which the host and build systems
993 # are not the same, we set reasonable default values for the tools.
995 CC=${CC-${host_alias}-gcc}
996 CFLAGS=${CFLAGS-"-g -O2"}
997 CXX=${CXX-${host_alias}-c++}
998 CXXFLAGS=${CXXFLAGS-"-g -O2"}
999 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
1000 CC_FOR_TARGET=${CC_FOR_TARGET-${target_alias}-gcc}
1001 CXX_FOR_TARGET=${CXX_FOR_TARGET-${target_alias}-c++}
1002 GCJ_FOR_TARGET=${GCJ_FOR_TARGET-${target_alias}-gcj}
1003 GCC_FOR_TARGET=${GCC_FOR_TARGET-${CC_FOR_TARGET-${target_alias}-gcc}}
1004 BUILD_PREFIX=${build_alias}-
1005 BUILD_PREFIX_1=${build_alias}-
1007 else
1008 # Set reasonable default values for some tools even if not Canadian.
1009 # Of course, these are different reasonable default values, originally
1010 # specified directly in the Makefile.
1011 # We don't export, so that autoconf can do its job.
1012 # Note that all these settings are above the fragment inclusion point
1013 # in Makefile.in, so can still be overridden by fragments.
1014 # This is all going to change when we autoconfiscate...
1016 CC_FOR_BUILD="\$(CC)"
1017 GCC_FOR_TARGET="\$(USUAL_GCC_FOR_TARGET)"
1018 BUILD_PREFIX=
1019 BUILD_PREFIX_1=loser-
1021 AC_PROG_CC
1023 # We must set the default linker to the linker used by gcc for the correct
1024 # operation of libtool. If LD is not defined and we are using gcc, try to
1025 # set the LD default to the ld used by gcc.
1026 if test -z "$LD"; then
1027 if test "$GCC" = yes; then
1028 case $build in
1029 *-*-mingw*)
1030 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1031 *)
1032 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1033 esac
1034 case $gcc_prog_ld in
1035 # Accept absolute paths.
1036 [[\\/]* | [A-Za-z]:[\\/]*)]
1037 LD="$gcc_prog_ld" ;;
1038 esac
1039 fi
1040 fi
1042 CXX=${CXX-"c++"}
1043 CFLAGS=${CFLAGS-"-g"}
1044 CXXFLAGS=${CXXFLAGS-"-g -O2"}
1045 fi
1047 ACX_PROG_GNAT
1048 ACX_PROG_CMP_IGNORE_INITIAL
1050 # Check for GMP and MPFR
1051 gmplibs=
1052 gmpinc=
1053 have_gmp=yes
1054 # Specify a location for mpfr
1055 # check for this first so it ends up on the link line before gmp.
1056 AC_ARG_WITH(mpfr-dir, [ --with-mpfr-dir=PATH Specify source directory for MPFR library])
1058 if test "x$with_mpfr_dir" != x; then
1059 gmpinc="-I$with_mpfr_dir"
1060 gmplibs="$with_mpfr_dir/libmpfr.a"
1061 else
1062 gmplibs="-lmpfr"
1063 fi
1065 AC_ARG_WITH(mpfr, [ --with-mpfr=PATH Specify directory for installed MPFR library])
1067 if test "x$with_mpfr" != x; then
1068 gmplibs="-L$with_mpfr/lib $gmplibs"
1069 gmpinc="-I$with_mpfr/include"
1070 fi
1072 # Specify a location for gmp
1073 AC_ARG_WITH(gmp-dir, [ --with-gmp-dir=PATH Specify source directory for GMP library])
1075 if test "x$with_gmp_dir" != x; then
1076 gmpinc="$gmpinc -I$with_gmp_dir"
1077 if test -f "$with_gmp_dir/.libs/libgmp.a"; then
1078 gmplibs="$gmplibs $with_gmp_dir/.libs/libgmp.a"
1079 elif test -f "$with_gmp_dir/_libs/libgmp.a"; then
1080 gmplibs="$gmplibs $with_gmp_dir/_libs/libgmp.a"
1081 fi
1082 # One of the later tests will catch the error if neither library is present.
1083 else
1084 gmplibs="$gmplibs -lgmp"
1085 fi
1087 AC_ARG_WITH(gmp, [ --with-gmp=PATH Specify directory for installed GMP library])
1089 if test "x$with_gmp" != x; then
1090 gmplibs="-L$with_gmp/lib $gmplibs"
1091 gmpinc="-I$with_gmp/include $gmpinc"
1092 fi
1094 saved_CFLAGS="$CFLAGS"
1095 CFLAGS="$CFLAGS $gmpinc"
1096 # Check GMP actually works
1097 AC_MSG_CHECKING([for correct version of gmp.h])
1098 AC_TRY_COMPILE([#include "gmp.h"],[
1099 #if __GNU_MP_VERSION < 3
1100 choke me
1101 #endif
1102 ], [AC_MSG_RESULT([yes])],
1103 [AC_MSG_RESULT([no]); have_gmp=no])
1105 if test x"$have_gmp" = xyes; then
1106 AC_MSG_CHECKING([for MPFR])
1108 saved_LIBS="$LIBS"
1109 LIBS="$LIBS $gmplibs"
1110 AC_TRY_LINK([#include <gmp.h>
1111 #include <mpfr.h>], [mpfr_t n; mpfr_init(n);],
1112 [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1113 LIBS="$saved_LIBS"
1114 CFLAGS="$saved_CFLAGS"
1115 fi
1117 # Flags needed for both GMP and/or MPFR
1118 AC_SUBST(gmplibs)
1119 AC_SUBST(gmpinc)
1121 # By default, C is the only stage 1 language.
1122 stage1_languages=c
1123 AC_SUBST(stage1_languages)
1125 # Figure out what language subdirectories are present.
1126 # Look if the user specified --enable-languages="..."; if not, use
1127 # the environment variable $LANGUAGES if defined. $LANGUAGES might
1128 # go away some day.
1129 # NB: embedded tabs in this IF block -- do not untabify
1130 if test -d ${srcdir}/gcc; then
1131 if test x"${enable_languages+set}" != xset; then
1132 if test x"${LANGUAGES+set}" = xset; then
1133 enable_languages="${LANGUAGES}"
1134 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1135 else
1136 enable_languages=all
1137 fi
1138 else
1139 if test x"${enable_languages}" = x ||
1140 test x"${enable_languages}" = xyes;
1141 then
1142 echo configure.in: --enable-languages needs at least one language argument 1>&2
1143 exit 1
1144 fi
1145 fi
1146 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1148 # First scan to see if an enabled language requires some other language.
1149 # We assume that a given config-lang.in will list all the language
1150 # front ends it requires, even if some are required indirectly.
1151 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1152 case ${lang_frag} in
1153 ..) ;;
1154 # The odd quoting in the next line works around
1155 # an apparent bug in bash 1.12 on linux.
1156 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1157 *)
1158 # From the config-lang.in, get $language, $lang_requires
1159 language=
1160 lang_requires=
1161 . ${lang_frag}
1162 for other in ${lang_requires} ; do
1163 case ,${enable_languages}, in
1164 *,$other,*) ;;
1165 *,all,*) ;;
1166 *,$language,*)
1167 echo " \`$other' language required by \`$language'; enabling" 1>&2
1168 enable_languages="${enable_languages},${other}"
1169 ;;
1170 esac
1171 done
1172 ;;
1173 esac
1174 done
1176 new_enable_languages=c
1177 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
1178 potential_languages=c
1180 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1181 case ${lang_frag} in
1182 ..) ;;
1183 # The odd quoting in the next line works around
1184 # an apparent bug in bash 1.12 on linux.
1185 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1186 *)
1187 # From the config-lang.in, get $language, $target_libs,
1188 # $lang_dirs, $boot_language, and $build_by_default
1189 language=
1190 target_libs=
1191 lang_dirs=
1192 boot_language=
1193 build_by_default=
1194 need_gmp=
1195 . ${lang_frag}
1196 potential_languages="${potential_languages},${language}"
1197 # This is quite sensitive to the ordering of the case statement arms.
1198 case ,${enable_languages},:${language}:${have_gnat}:${build_by_default} in
1199 *::*:*)
1200 echo "${lang_frag} doesn't set \$language." 1>&2
1201 exit 1
1202 ;;
1203 *:ada:no:*)
1204 # Ada was requested with no preexisting GNAT. Disable unconditionally.
1205 add_this_lang=no
1206 ;;
1207 *,${language},*:*:*:*)
1208 # Language was explicitly selected; include it.
1209 add_this_lang=yes
1210 ;;
1211 *,all,*:*:*:no)
1212 # 'all' was selected, but this is not a default language
1213 # so do not include it.
1214 add_this_lang=no
1215 ;;
1216 *,all,*:*:*:*)
1217 # 'all' was selected and this is a default language; include it.
1218 add_this_lang=yes
1219 ;;
1220 *)
1221 add_this_lang=no
1222 ;;
1223 esac
1225 # Disable languages that need GMP if it isn't available.
1226 case ,${enable_languages},:${have_gmp}:${need_gmp} in
1227 *,${language},*:no:yes)
1228 # Specifically requested language; tell them.
1229 AC_MSG_ERROR([GMP with MPFR support is required to build $language])
1230 ;;
1231 *:no:yes)
1232 # Silently disable.
1233 add_this_lang=no
1234 ;;
1235 esac
1237 # Disable a language that is unsupported by the target.
1238 case " $unsupported_languages " in
1239 *" $language "*)
1240 add_this_lang=no
1241 ;;
1242 esac
1244 case $add_this_lang in
1245 no)
1246 # Remove language-dependent dirs.
1247 eval noconfigdirs='"$noconfigdirs "'\"$target_libs $lang_dirs\"
1248 ;;
1249 *)
1250 new_enable_languages="$new_enable_languages,$language"
1251 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
1252 case ${boot_language} in
1253 yes)
1254 # Add to (comma-separated) list of stage 1 languages.
1255 stage1_languages="${stage1_languages},${language}"
1256 ;;
1257 esac
1258 ;;
1259 esac
1260 ;;
1261 esac
1262 done
1264 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
1265 if test "x$missing_languages" != x; then
1266 AC_MSG_ERROR([
1267 The following requested languages could not be built: ${missing_languages}
1268 Recognised languages are: ${potential_languages}])
1269 fi
1271 if test "x$new_enable_languages" != "x$enable_languages"; then
1272 echo The following languages will be built: ${new_enable_languages}
1273 fi
1274 enable_languages="$new_enable_languages"
1275 ac_configure_args=`echo " $ac_configure_args" | sed -e 's/ --enable-languages=[[^ ]]*//' -e 's/$/ --enable-languages='"$enable_languages"/ `
1276 fi
1278 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
1279 # $build_configdirs and $target_configdirs.
1280 # If we have the source for $noconfigdirs entries, add them to $notsupp.
1282 notsupp=""
1283 for dir in . $skipdirs $noconfigdirs ; do
1284 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
1285 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1286 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
1287 if test -r $srcdir/$dirname/configure ; then
1288 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1289 true
1290 else
1291 notsupp="$notsupp $dir"
1292 fi
1293 fi
1294 fi
1295 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1296 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"`
1297 if test -r $srcdir/$dirname/configure ; then
1298 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1299 true
1300 else
1301 notsupp="$notsupp $dir"
1302 fi
1303 fi
1304 fi
1305 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1306 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
1307 if test -r $srcdir/$dirname/configure ; then
1308 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1309 true
1310 else
1311 notsupp="$notsupp $dir"
1312 fi
1313 fi
1314 fi
1315 done
1317 # Sometimes the tools are distributed with libiberty but with no other
1318 # libraries. In that case, we don't want to build target-libiberty.
1319 if test -n "${target_configdirs}" ; then
1320 others=
1321 for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do
1322 if test "$i" != "libiberty" ; then
1323 if test -r $srcdir/$i/configure ; then
1324 others=yes;
1325 break;
1326 fi
1327 fi
1328 done
1329 if test -z "${others}" ; then
1330 target_configdirs=
1331 fi
1332 fi
1334 # Quietly strip out all directories which aren't configurable in this tree.
1335 # This relies on all configurable subdirectories being autoconfiscated, which
1336 # is now the case.
1337 build_configdirs_all="$build_configdirs"
1338 build_configdirs=
1339 for i in ${build_configdirs_all} ; do
1340 j=`echo $i | sed -e s/build-//g`
1341 if test -f ${srcdir}/$j/configure ; then
1342 build_configdirs="${build_configdirs} $i"
1343 fi
1344 done
1346 configdirs_all="$configdirs"
1347 configdirs=
1348 for i in ${configdirs_all} ; do
1349 if test -f ${srcdir}/$i/configure ; then
1350 configdirs="${configdirs} $i"
1351 fi
1352 done
1354 target_configdirs_all="$target_configdirs"
1355 target_configdirs=
1356 for i in ${target_configdirs_all} ; do
1357 j=`echo $i | sed -e s/target-//g`
1358 if test -f ${srcdir}/$j/configure ; then
1359 target_configdirs="${target_configdirs} $i"
1360 fi
1361 done
1363 # Produce a warning message for the subdirs we can't configure.
1364 # This isn't especially interesting in the Cygnus tree, but in the individual
1365 # FSF releases, it's important to let people know when their machine isn't
1366 # supported by the one or two programs in a package.
1368 if test -n "${notsupp}" && test -z "${norecursion}" ; then
1369 # If $appdirs is non-empty, at least one of those directories must still
1370 # be configured, or we error out. (E.g., if the gas release supports a
1371 # specified target in some subdirs but not the gas subdir, we shouldn't
1372 # pretend that all is well.)
1373 if test -n "$appdirs" ; then
1374 for dir in $appdirs ; do
1375 if test -r $dir/Makefile.in ; then
1376 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1377 appdirs=""
1378 break
1379 fi
1380 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
1381 appdirs=""
1382 break
1383 fi
1384 fi
1385 done
1386 if test -n "$appdirs" ; then
1387 echo "*** This configuration is not supported by this package." 1>&2
1388 exit 1
1389 fi
1390 fi
1391 # Okay, some application will build, or we don't care to check. Still
1392 # notify of subdirs not getting built.
1393 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
1394 echo " ${notsupp}" 1>&2
1395 echo " (Any other directories should still work fine.)" 1>&2
1396 fi
1398 case "$host" in
1399 *msdosdjgpp*)
1400 enable_gdbtk=no ;;
1401 esac
1403 copy_dirs=
1405 # Handle --with-headers=XXX. If the value is not "yes", the contents of
1406 # the named directory are copied to $(tooldir)/sys-include.
1407 if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
1408 if test x${is_cross_compiler} = xno ; then
1409 echo 1>&2 '***' --with-headers is only supported when cross compiling
1410 exit 1
1411 fi
1412 if test x"${with_headers}" != xyes ; then
1413 case "${exec_prefixoption}" in
1414 "") x=${prefix} ;;
1415 *) x=${exec_prefix} ;;
1416 esac
1417 copy_dirs="${copy_dirs} ${with_headers} $x/${target_alias}/sys-include"
1418 fi
1419 fi
1421 # Handle --with-libs=XXX. If the value is not "yes", the contents of
1422 # the name directories are copied to $(tooldir)/lib. Multiple directories
1423 # are permitted.
1424 if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
1425 if test x${is_cross_compiler} = xno ; then
1426 echo 1>&2 '***' --with-libs is only supported when cross compiling
1427 exit 1
1428 fi
1429 if test x"${with_libs}" != xyes ; then
1430 # Copy the libraries in reverse order, so that files in the first named
1431 # library override files in subsequent libraries.
1432 case "${exec_prefixoption}" in
1433 "") x=${prefix} ;;
1434 *) x=${exec_prefix} ;;
1435 esac
1436 for l in ${with_libs}; do
1437 copy_dirs="$l $x/${target_alias}/lib ${copy_dirs}"
1438 done
1439 fi
1440 fi
1442 # Handle ${copy_dirs}
1443 set fnord ${copy_dirs}
1444 shift
1445 while test $# != 0 ; do
1446 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
1447 :
1448 else
1449 echo Copying $1 to $2
1451 # Use the install script to create the directory and all required
1452 # parent directories.
1453 if test -d $2 ; then
1454 :
1455 else
1456 echo >config.temp
1457 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
1458 fi
1460 # Copy the directory, assuming we have tar.
1461 # FIXME: Should we use B in the second tar? Not all systems support it.
1462 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
1464 # It is the responsibility of the user to correctly adjust all
1465 # symlinks. If somebody can figure out how to handle them correctly
1466 # here, feel free to add the code.
1468 echo $1 > $2/COPIED
1469 fi
1470 shift; shift
1471 done
1473 extra_arflags_for_target=
1474 extra_nmflags_for_target=
1475 extra_ranlibflags_for_target=
1476 target_makefile_frag=/dev/null
1477 case "${target}" in
1478 *-*-netware*)
1479 target_makefile_frag="config/mt-netware"
1480 ;;
1481 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu)
1482 target_makefile_frag="config/mt-gnu"
1483 ;;
1484 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
1485 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
1486 # commands to handle both 32-bit and 64-bit objects. These flags are
1487 # harmless if we're using GNU nm or ar.
1488 extra_arflags_for_target=" -X32_64"
1489 extra_nmflags_for_target=" -B -X32_64"
1490 ;;
1491 *-*-darwin*)
1492 # ranlib from Darwin requires the -c flag to look at common symbols.
1493 extra_ranlibflags_for_target=" -c"
1494 ;;
1495 mips*-*-pe | sh*-*-pe | *arm-wince-pe)
1496 target_makefile_frag="config/mt-wince"
1497 ;;
1498 esac
1500 alphaieee_frag=/dev/null
1501 case $target in
1502 alpha*-*-*)
1503 # This just makes sure to use the -mieee option to build target libs.
1504 # This should probably be set individually by each library.
1505 alphaieee_frag="config/mt-alphaieee"
1506 ;;
1507 esac
1509 # If --enable-target-optspace always use -Os instead of -O2 to build
1510 # the target libraries, similarly if it is not specified, use -Os
1511 # on selected platforms.
1512 ospace_frag=/dev/null
1513 case "${enable_target_optspace}:${target}" in
1514 yes:*)
1515 ospace_frag="config/mt-ospace"
1516 ;;
1517 :d30v-*)
1518 ospace_frag="config/mt-d30v"
1519 ;;
1520 :m32r-* | :d10v-* | :fr30-*)
1521 ospace_frag="config/mt-ospace"
1522 ;;
1523 no:* | :*)
1524 ;;
1525 *)
1526 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
1527 ;;
1528 esac
1530 # Set with_gnu_as and with_gnu_ld as appropriate.
1531 #
1532 # This is done by determining whether or not the appropriate directory
1533 # is available, and by checking whether or not specific configurations
1534 # have requested that this magic not happen.
1535 #
1536 # The command line options always override the explicit settings in
1537 # configure.in, and the settings in configure.in override this magic.
1538 #
1539 # If the default for a toolchain is to use GNU as and ld, and you don't
1540 # want to do that, then you should use the --without-gnu-as and
1541 # --without-gnu-ld options for the configure script.
1543 if test x${use_gnu_as} = x &&
1544 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
1545 with_gnu_as=yes
1546 extra_host_args="$extra_host_args --with-gnu-as"
1547 fi
1549 if test x${use_gnu_ld} = x &&
1550 echo " ${configdirs} " | grep " ld " > /dev/null 2>&1 ; then
1551 with_gnu_ld=yes
1552 extra_host_args="$extra_host_args --with-gnu-ld"
1553 fi
1555 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
1556 # can detect this case.
1558 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
1559 with_newlib=yes
1560 extra_host_args="$extra_host_args --with-newlib"
1561 fi
1563 # Default to using --with-stabs for certain targets.
1564 if test x${with_stabs} = x ; then
1565 case "${target}" in
1566 mips*-*-irix[[56]]*)
1567 ;;
1568 mips*-*-* | alpha*-*-osf*)
1569 with_stabs=yes;
1570 extra_host_args="${extra_host_args} --with-stabs"
1571 ;;
1572 esac
1573 fi
1575 # hpux11 in 64bit mode has libraries in a weird place. Arrange to find
1576 # them automatically.
1577 case "${host}" in
1578 hppa*64*-*-hpux11*)
1579 extra_host_args="$extra_host_args -x-libraries=/usr/lib/pa20_64 -x-includes=/usr/X11R6/include"
1580 ;;
1581 esac
1583 # Some systems (e.g., one of the i386-aix systems the gas testers are
1584 # using) don't handle "\$" correctly, so don't use it here.
1585 tooldir='${exec_prefix}'/${target_alias}
1586 build_tooldir=${tooldir}
1588 # Generate default definitions for YACC, M4, LEX and other programs that run
1589 # on the build machine. These are used if the Makefile can't locate these
1590 # programs in objdir.
1591 MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
1592 AC_CHECK_PROGS([CONFIGURED_BISON], [bison], [$MISSING bison])
1593 AC_CHECK_PROGS([CONFIGURED_YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
1594 AC_CHECK_PROGS([CONFIGURED_M4], [gm4 gnum4 m4], [$MISSING m4])
1595 AC_CHECK_PROGS([CONFIGURED_FLEX], [flex], [$MISSING flex])
1596 AC_CHECK_PROGS([CONFIGURED_LEX], [flex lex], [$MISSING flex])
1597 AC_CHECK_PROGS([CONFIGURED_MAKEINFO], makeinfo, [$MISSING makeinfo])
1599 # Create a .gdbinit file which runs the one in srcdir
1600 # and tells GDB to look there for source files.
1602 if test -r ${srcdir}/.gdbinit ; then
1603 case ${srcdir} in
1604 .) ;;
1605 *) cat > ./.gdbinit <<EOF
1606 # ${NO_EDIT}
1607 dir ${srcdir}
1608 dir .
1609 source ${srcdir}/.gdbinit
1610 EOF
1611 ;;
1612 esac
1613 fi
1615 # Make sure that the compiler is able to generate an executable. If it
1616 # can't, we are probably in trouble. We don't care whether we can run the
1617 # executable--we might be using a cross compiler--we only care whether it
1618 # can be created. At this point the main configure script has set CC.
1619 we_are_ok=no
1620 echo "int main () { return 0; }" > conftest.c
1621 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
1622 if test $? = 0 ; then
1623 if test -s conftest || test -s conftest.exe ; then
1624 we_are_ok=yes
1625 fi
1626 fi
1627 case $we_are_ok in
1628 no)
1629 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
1630 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
1631 rm -f conftest*
1632 exit 1
1633 ;;
1634 esac
1635 rm -f conftest*
1637 # The Solaris /usr/ucb/cc compiler does not appear to work.
1638 case "${host}" in
1639 sparc-sun-solaris2*)
1640 CCBASE="`echo ${CC-cc} | sed 's/ .*$//'`"
1641 if test "`type $CCBASE | sed 's/^[[^/]]*//'`" = "/usr/ucb/cc" ; then
1642 could_use=
1643 test -d /opt/SUNWspro/bin && could_use="/opt/SUNWspro/bin"
1644 if test -d /opt/cygnus/bin ; then
1645 if test "$could_use" = "" ; then
1646 could_use="/opt/cygnus/bin"
1647 else
1648 could_use="$could_use or /opt/cygnus/bin"
1649 fi
1650 fi
1651 if test "$could_use" = "" ; then
1652 echo "Warning: compilation may fail because you're using"
1653 echo "/usr/ucb/cc. You should change your PATH or CC "
1654 echo "variable and rerun configure."
1655 else
1656 echo "Warning: compilation may fail because you're using"
1657 echo "/usr/ucb/cc, when you should use the C compiler from"
1658 echo "$could_use. You should change your"
1659 echo "PATH or CC variable and rerun configure."
1660 fi
1661 fi
1662 ;;
1663 esac
1665 case "${host}" in
1666 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
1667 *-*-darwin* | *-*-rhapsody* ) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;;
1668 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
1669 esac
1671 # Record target_configdirs and the configure arguments for target and
1672 # build configuration in Makefile.
1673 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
1674 build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
1676 # Determine whether gdb needs tk/tcl or not.
1677 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
1678 # and in that case we want gdb to be built without tk. Ugh!
1679 # In fact I believe gdb is the *only* package directly dependent on tk,
1680 # so we should be able to put the 'maybe's in unconditionally and
1681 # leave out the maybe dependencies when enable_gdbtk is false. I'm not
1682 # 100% sure that that's safe though.
1684 gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
1685 case "$enable_gdbtk" in
1686 no)
1687 GDB_TK="" ;;
1688 yes)
1689 GDB_TK="${gdb_tk}" ;;
1690 *)
1691 # Only add the dependency on gdbtk when GDBtk is part of the gdb
1692 # distro. Eventually someone will fix this and move Insight, nee
1693 # gdbtk to a separate directory.
1694 if test -d ${srcdir}/gdb/gdbtk ; then
1695 GDB_TK="${gdb_tk}"
1696 else
1697 GDB_TK=""
1698 fi
1699 ;;
1700 esac
1702 # Strip out unwanted targets.
1704 # While at that, we remove Makefiles if we were started for recursive
1705 # configuration, so that the top-level Makefile reconfigures them,
1706 # like we used to do when configure itself was recursive.
1708 # Loop over modules. $extrasub must be used with care, limiting as
1709 # much as possible the usage of range addresses. That's because autoconf
1710 # splits the sed script to overcome limits in the number of commands,
1711 # and relying on carefully-timed sed passes may turn out to be very hard
1712 # to maintain later. In this particular case, you just have to be careful
1713 # not to nest @if/@endif pairs, because configure will not warn you at all.
1715 AC_ARG_ENABLE([bootstrap],
1716 [ --enable-bootstrap[=lean] Enable bootstrapping [no]],,
1717 enable_bootstrap=default)
1719 # Issue errors and warnings for invalid/strange bootstrap combinations.
1720 case "$configdirs" in
1721 *gcc*) have_compiler=yes ;;
1722 *) have_compiler=no ;;
1723 esac
1725 case "$have_compiler:$host:$target:$enable_bootstrap" in
1726 *:*:*:no) ;;
1728 # Default behavior. (We'll) enable bootstrap if we have a compiler
1729 # and we are in a native configuration.
1730 yes:$build:$build:default)
1731 # This will become 'yes'
1732 enable_bootstrap=no ;;
1734 *:*:*:default)
1735 enable_bootstrap=no ;;
1737 # We have a compiler and we are in a native configuration, bootstrap is ok
1738 yes:$build:$build:yes | yes:$build:$build:lean)
1739 ;;
1741 # Other configurations, but we have a compiler. Assume the user knows
1742 # what he's doing.
1743 yes:*:*:yes | yes:*:*:lean)
1744 AC_MSG_WARN([trying to bootstrap a cross compiler])
1745 ;;
1747 # No compiler: if they passed --enable-bootstrap explicitly, fail
1748 no:*:*:yes | no:*:*:lean)
1749 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
1751 # Fail if wrong command line
1752 *)
1753 AC_MSG_ERROR([invalid option for --enable-bootstrap])
1754 ;;
1755 esac
1757 # Adjust the toplevel makefile according to whether bootstrap was selected.
1758 case "$enable_bootstrap" in
1759 yes)
1760 bootstrap_lean='#'
1761 default_target=bootstrap
1762 bootstrap_suffix=bootstrap ;;
1763 lean)
1764 bootstrap_lean=''
1765 default_target=bootstrap
1766 bootstrap_suffix=bootstrap ;;
1767 no)
1768 default_target=all
1769 bootstrap_suffix=no-bootstrap ;;
1770 esac
1771 AC_SUBST(bootstrap_lean)
1772 AC_SUBST(default_target)
1774 for module in ${build_configdirs} ; do
1775 if test -z "${no_recursion}" \
1776 && test -f ${build_subdir}/${module}/Makefile; then
1777 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
1778 rm -f ${build_subdir}/${module}/Makefile
1779 fi
1780 extrasub="$extrasub
1781 /^@if build-$module\$/d
1782 /^@endif build-$module\$/d
1783 /^@if build-$module-$bootstrap_suffix\$/d
1784 /^@endif build-$module-$bootstrap_suffix\$/d"
1785 done
1786 for module in ${configdirs} ; do
1787 if test -z "${no_recursion}" \
1788 && test -f ${module}/Makefile; then
1789 echo 1>&2 "*** removing ${module}/Makefile to force reconfigure"
1790 rm -f ${module}/Makefile
1791 fi
1792 extrasub="$extrasub
1793 /^@if $module\$/d
1794 /^@endif $module\$/d
1795 /^@if $module-$bootstrap_suffix\$/d
1796 /^@endif $module-$bootstrap_suffix\$/d"
1797 done
1798 for module in ${target_configdirs} ; do
1799 if test -z "${no_recursion}" \
1800 && test -f ${target_subdir}/${module}/Makefile; then
1801 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
1802 rm -f ${target_subdir}/${module}/Makefile
1803 fi
1804 extrasub="$extrasub
1805 /^@if target-$module\$/d
1806 /^@endif target-$module\$/d
1807 /^@if target-$module-$bootstrap_suffix\$/d
1808 /^@endif target-$module-$bootstrap_suffix\$/d"
1809 done
1811 extrasub="$extrasub
1812 /^@if /,/^@endif /d"
1814 # Create the serialization dependencies. This uses a temporary file.
1816 AC_ARG_ENABLE([serial-configure],
1817 [ --enable-serial-[{host,target,build}-]configure
1818 Force sequential configuration of
1819 sub-packages for the host, target or build
1820 machine, or all sub-packages])
1822 case ${enable_serial_configure} in
1823 yes)
1824 enable_serial_build_configure=yes
1825 enable_serial_host_configure=yes
1826 enable_serial_target_configure=yes
1827 ;;
1828 esac
1830 # These force 'configure's to be done one at a time, to avoid problems
1831 # with contention over a shared config.cache.
1832 rm -f serdep.tmp
1833 echo '# serdep.tmp' > serdep.tmp
1834 olditem=
1835 test "x${enable_serial_build_configure}" = xyes &&
1836 for item in ${build_configdirs} ; do
1837 case ${olditem} in
1838 "") ;;
1839 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
1840 esac
1841 olditem=${item}
1842 done
1843 olditem=
1844 test "x${enable_serial_host_configure}" = xyes &&
1845 for item in ${configdirs} ; do
1846 case ${olditem} in
1847 "") ;;
1848 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
1849 esac
1850 olditem=${item}
1851 done
1852 olditem=
1853 test "x${enable_serial_target_configure}" = xyes &&
1854 for item in ${target_configdirs} ; do
1855 case ${olditem} in
1856 "") ;;
1857 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
1858 esac
1859 olditem=${item}
1860 done
1861 serialization_dependencies=serdep.tmp
1862 AC_SUBST_FILE(serialization_dependencies)
1864 # Base args. Strip norecursion, cache-file, srcdir, host, build,
1865 # target and nonopt. These are the ones we might not want to pass
1866 # down to subconfigures. Also strip program-prefix, program-suffix,
1867 # and program-transform-name, so that we can pass down a consistent
1868 # program-transform-name. If autoconf has put single quotes around
1869 # any of these arguments (because they contain shell metacharacters)
1870 # then this will fail; in practice this only happens for
1871 # --program-transform-name, so be sure to override --program-transform-name
1872 # at the end of the argument list.
1873 # These will be expanded by make, so quote '$'.
1874 cat <<\EOF_SED > conftestsed
1875 s/ --no[[^ ]]*/ /g
1876 s/ --c[[a-z-]]*[[= ]][[^ ]]*//g
1877 s/ --sr[[a-z-]]*[[= ]][[^ ]]*//g
1878 s/ --ho[[a-z-]]*[[= ]][[^ ]]*//g
1879 s/ --bu[[a-z-]]*[[= ]][[^ ]]*//g
1880 s/ --t[[a-z-]]*[[= ]][[^ ]]*//g
1881 s/ --program-[[pst]][[a-z-]]*[[= ]][[^ ]]*//g
1882 s/ -cache-file[[= ]][[^ ]]*//g
1883 s/ -srcdir[[= ]][[^ ]]*//g
1884 s/ -host[[= ]][[^ ]]*//g
1885 s/ -build[[= ]][[^ ]]*//g
1886 s/ -target[[= ]][[^ ]]*//g
1887 s/ -program-prefix[[= ]][[^ ]]*//g
1888 s/ -program-suffix[[= ]][[^ ]]*//g
1889 s/ -program-transform-name[[= ]][[^ ]]*//g
1890 s/ [[^' -][^ ]*] / /
1891 s/^ *//;s/ *$//
1892 s,\$,$$,g
1893 EOF_SED
1894 sed -f conftestsed <<EOF_SED > conftestsed.out
1895 ${ac_configure_args}
1896 EOF_SED
1897 baseargs=`cat conftestsed.out`
1898 rm -f conftestsed conftestsed.out
1900 # Add in --program-transform-name, after --program-prefix and
1901 # --program-suffix have been applied to it. Autoconf has already
1902 # doubled dollar signs and backslashes in program_transform_name; we want
1903 # the backslashes un-doubled, and then the entire thing wrapped in single
1904 # quotes, because this will be expanded first by make and then by the shell.
1905 # Also, because we want to override the logic in subdir configure scripts to
1906 # choose program_transform_name, replace any s,x,x, with s,y,y,.
1907 sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
1908 ${program_transform_name}
1909 EOF_SED
1910 gcc_transform_name=`cat conftestsed.out`
1911 rm -f conftestsed.out
1912 baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
1914 # For the build-side libraries, we just need to pretend we're native,
1915 # and not use the same cache file. Multilibs are neither needed nor
1916 # desired.
1917 build_configargs="--cache-file=../config.cache --build=${build_alias} --host=${build_alias} --target=${target_alias} ${baseargs}"
1919 # For host modules, accept cache file option, or specification as blank.
1920 case "${cache_file}" in
1921 "") # empty
1922 cache_file_option="" ;;
1923 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
1924 cache_file_option="--cache-file=${cache_file}" ;;
1925 *) # relative path
1926 cache_file_option="--cache-file=../${cache_file}" ;;
1927 esac
1929 # Host dirs don't like to share a cache file either, horribly enough.
1930 # This seems to be due to autoconf 2.5x stupidity.
1931 host_configargs="--cache-file=./config.cache --build=${build_alias} --host=${host_alias} --target=${target_alias} ${extra_host_args} ${baseargs}"
1933 target_configargs=${baseargs}
1935 # Passing a --with-cross-host argument lets the target libraries know
1936 # whether they are being built with a cross-compiler or being built
1937 # native. However, it would be better to use other mechanisms to make the
1938 # sorts of decisions they want to make on this basis. Please consider
1939 # this option to be deprecated. FIXME.
1940 if test x${is_cross_compiler} = xyes ; then
1941 target_configargs="--with-cross-host=${host_alias} ${target_configargs}"
1942 fi
1944 # Default to --enable-multilib.
1945 if test x${enable_multilib} = x ; then
1946 target_configargs="--enable-multilib ${target_configargs}"
1947 fi
1949 # Pass --with-newlib if appropriate. Note that target_configdirs has
1950 # changed from the earlier setting of with_newlib.
1951 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
1952 target_configargs="--with-newlib ${target_configargs}"
1953 fi
1955 # Different target subdirs use different values of certain variables
1956 # (notably CXX). Worse, multilibs use *lots* of different values.
1957 # Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
1958 # it doesn't automatically accept command-line overrides of them.
1959 # This means it's not safe for target subdirs to share a cache file,
1960 # which is disgusting, but there you have it. Hopefully this can be
1961 # fixed in future. It's still worthwhile to use a cache file for each
1962 # directory. I think.
1964 # Pass the appropriate --build, --host, --target and --cache-file arguments.
1965 # We need to pass --target, as newer autoconf's requires consistency
1966 # for target_alias and gcc doesn't manage it consistently.
1967 target_configargs="--cache-file=./config.cache --build=${build_alias} --host=${target_alias} --target=${target_alias} ${target_configargs}"
1969 FLAGS_FOR_TARGET=
1970 case " $target_configdirs " in
1971 *" newlib "*)
1972 case " $target_configargs " in
1973 *" --with-newlib "*)
1974 case "$target" in
1975 *-cygwin*)
1976 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' ;;
1977 esac
1979 # If we're not building GCC, don't discard standard headers.
1980 if test -d ${srcdir}/gcc; then
1981 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
1983 if test "${build}" != "${host}"; then
1984 # On Canadian crosses, CC_FOR_TARGET will have already been set
1985 # by `configure', so we won't have an opportunity to add -Bgcc/
1986 # to it. This is right: we don't want to search that directory
1987 # for binaries, but we want the header files in there, so add
1988 # them explicitly.
1989 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include'
1991 # Someone might think of using the pre-installed headers on
1992 # Canadian crosses, in case the installed compiler is not fully
1993 # compatible with the compiler being built. In this case, it
1994 # would be better to flag an error than risking having
1995 # incompatible object files being constructed. We can't
1996 # guarantee that an error will be flagged, but let's hope the
1997 # compiler will do it, when presented with incompatible header
1998 # files.
1999 fi
2000 fi
2002 case "${target}-${is_cross_compiler}" in
2003 i[[3456789]]86-*-linux*-no)
2004 # Here host == target, so we don't need to build gcc,
2005 # so we don't want to discard standard headers.
2006 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
2007 ;;
2008 *)
2009 # If we're building newlib, use its generic headers last, but search
2010 # for any libc-related directories first (so make it the last -B
2011 # switch).
2012 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
2013 ;;
2014 esac
2015 ;;
2016 esac
2017 ;;
2018 esac
2020 # Allow the user to override the flags for
2021 # our build compiler if desired.
2022 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
2024 # On Canadian crosses, we'll be searching the right directories for
2025 # the previously-installed cross compiler, so don't bother to add
2026 # flags for directories within the install tree of the compiler
2027 # being built; programs in there won't even run.
2028 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
2029 # Search for pre-installed headers if nothing else fits.
2030 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
2031 fi
2033 if test "x${use_gnu_ld}" = x &&
2034 echo " ${configdirs} " | grep " ld " > /dev/null ; then
2035 # Arrange for us to find uninstalled linker scripts.
2036 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld'
2037 fi
2039 if test "x${CC_FOR_TARGET+set}" = xset; then
2040 :
2041 elif test -d ${srcdir}/gcc; then
2042 CC_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/'
2043 elif test "$host" = "$target"; then
2044 CC_FOR_TARGET='$(CC)'
2045 else
2046 CC_FOR_TARGET=`echo gcc | sed "${program_transform_name}"`
2047 fi
2048 CC_FOR_TARGET=$CC_FOR_TARGET' $(FLAGS_FOR_TARGET)'
2050 if test "x${GCJ_FOR_TARGET+set}" = xset; then
2051 :
2052 elif test -d ${srcdir}/gcc; then
2053 GCJ_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/gcj -B$$r/$(HOST_SUBDIR)/gcc/'
2054 elif test "$host" = "$target"; then
2055 GCJ_FOR_TARGET='gcj'
2056 else
2057 GCJ_FOR_TARGET=`echo gcj | sed "${program_transform_name}"`
2058 fi
2059 GCJ_FOR_TARGET=$GCJ_FOR_TARGET' $(FLAGS_FOR_TARGET)'
2061 if test "x${GFORTRAN_FOR_TARGET+set}" = xset; then
2062 :
2063 elif test -d ${srcdir}/gcc; then
2064 GFORTRAN_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/'
2065 elif test "$host" = "$target"; then
2066 GFORTRAN_FOR_TARGET='gfortran'
2067 else
2068 GFORTRAN_FOR_TARGET=`echo gfortran | sed "${program_transform_name}"`
2069 fi
2070 case $GFORTRAN_FOR_TARGET in
2071 *' $(FLAGS_FOR_TARGET)') ;;
2072 *) GFORTRAN_FOR_TARGET=$GFORTRAN_FOR_TARGET' $(FLAGS_FOR_TARGET)' ;;
2073 esac
2075 # Don't use libstdc++-v3's flags to configure/build itself.
2076 libstdcxx_flags='`test ! -f $$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$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs'
2077 raw_libstdcxx_flags='-L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs'
2079 if test "x${CXX_FOR_TARGET+set}" = xset; then
2080 if test "x${RAW_CXX_FOR_TARGET+set}" != xset; then
2081 RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
2082 fi
2083 elif test -d ${srcdir}/gcc; then
2084 # We add -shared-libgcc to CXX_FOR_TARGET whenever we use xgcc instead
2085 # of g++ for linking C++ or Java, because g++ has -shared-libgcc by
2086 # default whereas gcc does not.
2087 # RAW_CXX_FOR_TARGET is for linking C++ or java; CXX_FOR_TARGET is for
2088 # all other cases.
2089 CXX_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/g++ -B$$r/$(HOST_SUBDIR)/gcc/ -nostdinc++ '$libstdcxx_flags
2090 RAW_CXX_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc/ -nostdinc++ '$raw_libstdcxx_flags
2091 elif test "$host" = "$target"; then
2092 CXX_FOR_TARGET='$(CXX)'
2093 RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
2094 else
2095 CXX_FOR_TARGET=`echo c++ | sed "${program_transform_name}"`
2096 RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
2097 fi
2098 CXX_FOR_TARGET=$CXX_FOR_TARGET' $(FLAGS_FOR_TARGET)'
2099 RAW_CXX_FOR_TARGET=$RAW_CXX_FOR_TARGET' $(FLAGS_FOR_TARGET)'
2101 qCXX_FOR_TARGET=`echo "$CXX_FOR_TARGET" | sed 's,[[&%]],\\\&,g'`
2102 qRAW_CXX_FOR_TARGET=`echo "$RAW_CXX_FOR_TARGET" | sed 's,[[&%]],\\\&,g'`
2104 # We want to defer the evaluation of `cmd`s and shell variables in
2105 # CXX_FOR_TARGET when recursing in the top-level Makefile, such as for
2106 # bootstrap. We'll enclose CXX_FOR_TARGET_FOR_RECURSIVE_MAKE in single
2107 # quotes, but we still have to duplicate `$'s so that shell variables
2108 # can be expanded by the nested make as shell variables, not as make
2109 # macros.
2110 qqCXX_FOR_TARGET=`echo "$qCXX_FOR_TARGET" | sed -e 's,[[$]][[$]],$$$$,g'`
2111 qqRAW_CXX_FOR_TARGET=`echo "$qRAW_CXX_FOR_TARGET" | sed -e 's,[[$]][[$]],$$$$,g'`
2113 # Wrap CC_FOR_TARGET and friends, for certain types of builds.
2114 CC_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${CC_FOR_TARGET}"
2115 GCJ_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${GCJ_FOR_TARGET}"
2116 GFORTRAN_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${GFORTRAN_FOR_TARGET}"
2117 CXX_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${qCXX_FOR_TARGET}"
2118 RAW_CXX_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${qRAW_CXX_FOR_TARGET}"
2119 CXX_FOR_TARGET_FOR_RECURSIVE_MAKE="\$(STAGE_CC_WRAPPER) ${qqCXX_FOR_TARGET}"
2120 RAW_CXX_FOR_TARGET_FOR_RECURSIVE_MAKE="\$(STAGE_CC_WRAPPER) ${qqRAW_CXX_FOR_TARGET}"
2122 # Makefile fragments.
2123 for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
2124 do
2125 eval fragval=\$$frag
2126 if test $fragval != /dev/null; then
2127 eval $frag=${srcdir}/$fragval
2128 fi
2129 done
2130 AC_SUBST_FILE(host_makefile_frag)
2131 AC_SUBST_FILE(target_makefile_frag)
2132 AC_SUBST_FILE(alphaieee_frag)
2133 AC_SUBST_FILE(ospace_frag)
2135 # Miscellanea: directories, flags, etc.
2136 AC_SUBST(RPATH_ENVVAR)
2137 AC_SUBST(BUILD_PREFIX)
2138 AC_SUBST(BUILD_PREFIX_1)
2139 AC_SUBST(tooldir)
2140 AC_SUBST(build_tooldir)
2141 AC_SUBST(GDB_TK)
2143 # Build module lists & subconfigure args.
2144 AC_SUBST(build_configargs)
2145 AC_SUBST(build_configdirs)
2147 # Host module lists & subconfigure args.
2148 AC_SUBST(host_configargs)
2149 AC_SUBST(configdirs)
2151 # Target module lists & subconfigure args.
2152 AC_SUBST(target_configargs)
2153 AC_SUBST(target_configdirs)
2155 # Build tools.
2156 AC_SUBST(CC_FOR_BUILD)
2157 AC_SUBST(config_shell)
2159 # Host tools.
2160 NCN_STRICT_CHECK_TOOL(AR, ar)
2161 NCN_STRICT_CHECK_TOOL(AS, as)
2162 NCN_STRICT_CHECK_TOOL(DLLTOOL, dlltool)
2163 NCN_STRICT_CHECK_TOOL(LD, ld)
2164 NCN_STRICT_CHECK_TOOL(NM, nm)
2165 NCN_STRICT_CHECK_TOOL(RANLIB, ranlib, :)
2166 NCN_STRICT_CHECK_TOOL(WINDRES, windres)
2167 NCN_STRICT_CHECK_TOOL(OBJCOPY, objcopy)
2168 NCN_STRICT_CHECK_TOOL(OBJDUMP, objdump)
2169 AC_SUBST(CC)
2170 AC_SUBST(CXX)
2171 AC_SUBST(CFLAGS)
2172 AC_SUBST(CFLAGS_FOR_BUILD)
2173 AC_SUBST(CXXFLAGS)
2175 # Target tools.
2176 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_AR_FOR_TARGET, ar)
2177 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_AS_FOR_TARGET, as)
2178 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_DLLTOOL_FOR_TARGET, dlltool)
2179 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_LD_FOR_TARGET, ld)
2180 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_NM_FOR_TARGET, nm)
2181 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_RANLIB_FOR_TARGET, ranlib, :)
2182 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_WINDRES_FOR_TARGET, windres)
2184 AC_SUBST(GCC_FOR_TARGET)
2185 AC_SUBST(FLAGS_FOR_TARGET)
2186 AC_SUBST(CC_FOR_TARGET)
2187 AC_SUBST(GCJ_FOR_TARGET)
2188 AC_SUBST(GFORTRAN_FOR_TARGET)
2189 AC_SUBST(CXX_FOR_TARGET)
2190 AC_SUBST(RAW_CXX_FOR_TARGET)
2191 AC_SUBST(CXX_FOR_TARGET_FOR_RECURSIVE_MAKE)
2192 AC_SUBST(RAW_CXX_FOR_TARGET_FOR_RECURSIVE_MAKE)
2194 # Fix up target tools.
2195 if test "x${build}" = "x${host}" ; then
2196 # In this case, the newly built tools can and should be used,
2197 # so we override the results of the autoconf tests.
2198 # This should really only happen when the tools are actually being built,
2199 # but that's a further refinement. The new build scheme, where
2200 # tools are built into a structure paralleling where they're installed,
2201 # should also eliminate all of this cleanly.
2202 AR_FOR_TARGET="\$(USUAL_AR_FOR_TARGET)"
2203 AS_FOR_TARGET="\$(USUAL_AS_FOR_TARGET)"
2204 DLLTOOL_FOR_TARGET="\$(USUAL_DLLTOOL_FOR_TARGET)"
2205 LD_FOR_TARGET="\$(USUAL_LD_FOR_TARGET)"
2206 NM_FOR_TARGET="\$(USUAL_NM_FOR_TARGET)"
2207 RANLIB_FOR_TARGET="\$(USUAL_RANLIB_FOR_TARGET)"
2208 WINDRES_FOR_TARGET="\$(USUAL_WINDRES_FOR_TARGET)"
2209 else
2210 # Just use the ones we found.
2211 AR_FOR_TARGET="\$(CONFIGURED_AR_FOR_TARGET)"
2212 AS_FOR_TARGET="\$(CONFIGURED_AS_FOR_TARGET)"
2213 DLLTOOL_FOR_TARGET="\$(CONFIGURED_DLLTOOL_FOR_TARGET)"
2214 LD_FOR_TARGET="\$(CONFIGURED_LD_FOR_TARGET)"
2215 NM_FOR_TARGET="\$(CONFIGURED_NM_FOR_TARGET)"
2216 RANLIB_FOR_TARGET="\$(CONFIGURED_RANLIB_FOR_TARGET)"
2217 WINDRES_FOR_TARGET="\$(CONFIGURED_WINDRES_FOR_TARGET)"
2218 fi
2219 AC_SUBST(AR_FOR_TARGET)
2220 AC_SUBST(AS_FOR_TARGET)
2221 AC_SUBST(DLLTOOL_FOR_TARGET)
2222 AC_SUBST(LD_FOR_TARGET)
2223 AC_SUBST(NM_FOR_TARGET)
2224 AC_SUBST(RANLIB_FOR_TARGET)
2225 AC_SUBST(WINDRES_FOR_TARGET)
2227 # Certain tools may need extra flags.
2228 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
2229 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
2230 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
2232 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
2233 AC_ARG_ENABLE(maintainer-mode,
2234 [ --enable-maintainer-mode enable make rules and dependencies not useful
2235 (and sometimes confusing) to the casual installer],
2236 USE_MAINTAINER_MODE=$enableval,
2237 USE_MAINTAINER_MODE=no)
2238 AC_MSG_RESULT($USE_MAINTAINER_MODE)
2239 AC_SUBST(MAINTAINER_MODE_TRUE)
2240 AC_SUBST(MAINTAINER_MODE_FALSE)
2241 if test "$USE_MAINTAINER_MODE" = yes; then
2242 MAINTAINER_MODE_TRUE=
2243 MAINTAINER_MODE_FALSE='#'
2244 else
2245 MAINTAINER_MODE_TRUE='#'
2246 MAINTAINER_MODE_FALSE=
2247 fi
2248 MAINT=$MAINTAINER_MODE_TRUE
2249 AC_SUBST(MAINT)dnl
2251 # ---------------------
2252 # GCC bootstrap support
2253 # ---------------------
2255 # Stage specific cflags for build.
2256 stage1_cflags="-g"
2257 case $build in
2258 vax-*-*)
2259 case ${GCC} in
2260 yes) stage1_cflags="-g -Wa,-J" ;;
2261 *) stage1_cflags="-g -J" ;;
2262 esac ;;
2263 powerpc-*-darwin*)
2264 # The spiffy cpp-precomp chokes on some legitimate constructs in GCC
2265 # sources; use -no-cpp-precomp to get to GNU cpp.
2266 # Apple's GCC has bugs in designated initializer handling, so disable
2267 # that too.
2268 stage1_cflags="-g -no-cpp-precomp -DHAVE_DESIGNATED_INITIALIZERS=0"
2269 ;;
2270 esac
2271 AC_SUBST(stage1_cflags)
2273 # It makes debugging easier if we create as symlinks the stage directories
2274 # gcc for stageN-gcc and stagePREV-gcc for stage(N-1). In case this is not
2275 # possible, however, we can resort to mv.
2276 AC_CACHE_CHECK([if symbolic links between directories work],
2277 [gcc_cv_prog_ln_s_dir],
2278 [if test "${LN_S}" = "ln -s" \
2279 && mkdir confdir.s1 \
2280 && ln -s confdir.s1 confdir.s2 \
2281 && echo timestamp1 > confdir.s1/conftest.1 \
2282 && cmp confdir.s1/conftest.1 confdir.s2/conftest.1 \
2283 && echo timestamp2 > confdir.s2/conftest.2 \
2284 && cmp confdir.s1/conftest.2 confdir.s1/conftest.2 \
2285 && rm -f confdir.s2; then
2286 gcc_cv_prog_ln_s_dir=yes
2287 else
2288 gcc_cv_prog_ln_s_dir=no
2289 fi
2290 rm -rf confdir.s1 confdir.s2])
2292 case ${gcc_cv_prog_ln_s_dir} in
2293 yes)
2294 CREATE_LINK_TO_DIR='ln -s $$1 $$2'
2295 UNDO_LINK_TO_DIR='rm -f $$1' ;;
2296 *)
2297 CREATE_LINK_TO_DIR='mv $$1 $$2'
2298 UNDO_LINK_TO_DIR='mv $$1 $$2' ;;
2299 esac
2300 AC_SUBST(CREATE_LINK_TO_DIR)
2301 AC_SUBST(UNDO_LINK_TO_DIR)
2303 # Enable -Werror in bootstrap stage2 and later.
2304 # Change the default to "no" on release branches.
2305 AC_ARG_ENABLE(werror,
2306 [ --enable-werror enable -Werror in bootstrap stage2 and later], [],
2307 [enable_werror=yes])
2308 case ${enable_werror} in
2309 yes) stage2_werror_flag="--enable-werror-always" ;;
2310 *) stage2_werror_flag="" ;;
2311 esac
2312 AC_SUBST(stage2_werror_flag)
2314 AC_OUTPUT(Makefile)