| blob | 67ad4e56d14bb4c1d1d943519a5cd793ccb816c0 |
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"
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 libbanshee 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}`
187 # Only make build modules if build != host.
188 if test ${host_alias} != ${build_alias} ; then
189 build_configdirs=`echo ${build_libs} ${build_tools}`
190 fi
192 ################################################################################
194 srcname="gnu development package"
196 # This gets set non-empty for some net releases of packages.
197 appdirs=""
199 # Define is_cross_compiler to save on calls to 'test'.
200 is_cross_compiler=
201 if test x"${host}" = x"${target}" ; then
202 is_cross_compiler=no
203 else
204 is_cross_compiler=yes
205 fi
207 # Find the build and target subdir names.
208 GCC_TOPLEV_SUBDIRS
210 # Skipdirs are removed silently.
211 skipdirs=
212 # Noconfigdirs are removed loudly.
213 noconfigdirs=""
215 use_gnu_ld=
216 # Make sure we don't let GNU ld be added if we didn't want it.
217 if test x$with_gnu_ld = xno ; then
218 use_gnu_ld=no
219 noconfigdirs="$noconfigdirs ld"
220 fi
222 use_gnu_as=
223 # Make sure we don't let GNU as be added if we didn't want it.
224 if test x$with_gnu_as = xno ; then
225 use_gnu_as=no
226 noconfigdirs="$noconfigdirs gas"
227 fi
229 # some tools are so dependent upon X11 that if we're not building with X,
230 # it's not even worth trying to configure, much less build, that tool.
232 case ${with_x} in
233 yes | "") ;; # the default value for this tree is that X11 is available
234 no)
235 skipdirs="${skipdirs} tk itcl libgui"
236 # We won't be able to build gdbtk without X.
237 enable_gdbtk=no
238 ;;
239 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
240 esac
242 # Some tools are only suitable for building in a "native" situation.
243 # Remove these if host!=target.
244 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"
246 # Similarly, some are only suitable for cross toolchains.
247 # Remove these if host=target.
248 cross_only="target-libgloss target-newlib target-opcodes"
250 case $is_cross_compiler in
251 no) skipdirs="${skipdirs} ${cross_only}" ;;
252 yes) skipdirs="${skipdirs} ${native_only}" ;;
253 esac
255 # If both --with-headers and --with-libs are specified, default to
256 # --without-newlib.
257 if test x"${with_headers}" != x && test x"${with_headers} != xno \
258 && test x"${with_libs}" != x && test x"${with_libs} != xno ; then
259 if test x"${with_newlib}" = x ; then
260 with_newlib=no
261 fi
262 fi
264 # Recognize --with-newlib/--without-newlib.
265 case ${with_newlib} in
266 no) skipdirs="${skipdirs} target-newlib" ;;
267 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
268 esac
270 # Configure extra directories which are host specific
272 case "${host}" in
273 *-cygwin*)
274 configdirs="$configdirs libtermcap" ;;
275 esac
277 # Remove more programs from consideration, based on the host or
278 # target this usually means that a port of the program doesn't
279 # exist yet.
281 case "${host}" in
282 hppa*64*-*-*)
283 noconfigdirs="$noconfigdirs byacc"
284 ;;
285 i[[3456789]]86-*-vsta)
286 noconfigdirs="$noconfigdirs tcl expect dejagnu make texinfo bison patch flex byacc send-pr gprof uudecode dejagnu diff guile perl itcl gnuserv gettext"
287 ;;
288 i[[3456789]]86-*-go32* | i[[3456789]]86-*-msdosdjgpp*)
289 noconfigdirs="$noconfigdirs tcl tk expect dejagnu send-pr uudecode guile itcl gnuserv libffi"
290 ;;
291 i[[3456789]]86-*-mingw32*)
292 # noconfigdirs="tcl tk expect dejagnu make texinfo bison patch flex byacc send-pr uudecode dejagnu diff guile perl itcl gnuserv"
293 noconfigdirs="$noconfigdirs expect dejagnu autoconf automake send-pr rcs guile perl texinfo libtool"
294 ;;
295 i[[3456789]]86-*-beos*)
296 noconfigdirs="$noconfigdirs tk itcl libgui gdb"
297 ;;
298 *-*-cygwin*)
299 noconfigdirs="$noconfigdirs autoconf automake send-pr rcs guile perl"
300 ;;
301 *-*-netbsd*)
302 noconfigdirs="$noconfigdirs rcs"
303 ;;
304 ppc*-*-pe)
305 noconfigdirs="$noconfigdirs patch diff make tk tcl expect dejagnu autoconf automake texinfo bison send-pr gprof rcs guile perl itcl gnuserv"
306 ;;
307 powerpc-*-beos*)
308 noconfigdirs="$noconfigdirs tk itcl libgui gdb dejagnu readline"
309 ;;
310 *-*-darwin*)
311 noconfigdirs="$noconfigdirs tk itcl libgui"
312 ;;
313 esac
315 AC_ARG_WITH(libbanshee,
316 [ --without-libbanshee Don't build with libbanshee])
317 case ${with_libbanshee} in
318 no)
319 noconfigdirs="$noconfigdirs libbanshee" ;;
320 yes|"")
321 with_libbanshee=yes
322 ;;
323 *)
324 AC_MSG_ERROR([--with-libbanshee can only be empty, "yes" or "no" (empty defaults to "yes".])
325 esac
327 AC_ARG_ENABLE(libada,
328 [ --enable-libada Builds libada directory],
329 ENABLE_LIBADA=$enableval,
330 ENABLE_LIBADA=yes)
331 if test "${ENABLE_LIBADA}" != "yes" ; then
332 noconfigdirs="$noconfigdirs target-libada"
333 fi
335 # Save it here so that, even in case of --enable-libgcj, if the Java
336 # front-end isn't enabled, we still get libgcj disabled.
337 libgcj_saved=$libgcj
338 case $enable_libgcj in
339 yes)
340 # If we reset it here, it won't get added to noconfigdirs in the
341 # target-specific build rules, so it will be forcibly enabled
342 # (unless the Java language itself isn't enabled).
343 libgcj=
344 ;;
345 no)
346 # Make sure we get it printed in the list of not supported target libs.
347 noconfigdirs="$noconfigdirs ${libgcj}"
348 ;;
349 esac
352 # Allow --disable-libmudflap to exclude target-libmudflap
353 case $enable_libmudflap in
354 yes)
355 ;;
356 no)
357 noconfigdirs="$noconfigdirs target-libmudflap"
358 ;;
359 "")
360 case "${target}" in
361 *-*-linux*-gnu | *-*-gnu* | *-*-k*bsd*-gnu)
362 # Enable libmudflap by default in GNU and friends.
363 ;;
364 *-*-freebsd*)
365 # Enable libmudflap by default in FreeBSD.
366 ;;
367 *)
368 # Disable it by default everywhere else.
369 noconfigdirs="$noconfigdirs target-libmudflap"
370 ;;
371 esac
372 esac
375 case "${target}" in
376 *-*-chorusos)
377 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
378 ;;
379 powerpc-*-darwin*)
380 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes gdb gprof"
381 noconfigdirs="$noconfigdirs target-libobjc"
382 ;;
383 *-*-darwin*)
384 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes gdb gprof"
385 noconfigdirs="$noconfigdirs target-libobjc ${libgcj}"
386 ;;
387 *-*-freebsd[[12]] | *-*-freebsd[[12]].* | *-*-freebsd*aout*)
388 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
389 ;;
390 *-*-freebsd* | *-*-kfreebsd*-gnu)
391 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
392 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
393 && test -f /usr/local/include/gmp.h; then
394 with_gmp=/usr/local
395 fi
397 # Skip some stuff that's unsupported on some FreeBSD configurations.
398 case "${target}" in
399 i*86-*-*) ;;
400 alpha*-*-*) ;;
401 *)
402 noconfigdirs="$noconfigdirs ${libgcj}"
403 ;;
404 esac
405 ;;
406 *-*-kaos*)
407 # Remove unsupported stuff on all kaOS configurations.
408 skipdirs="target-libiberty ${libgcj} target-libstdc++-v3 target-librx"
409 skipdirs="$skipdirs target-libobjc target-examples target-groff target-gperf"
410 skipdirs="$skipdirs zlib fastjar target-libjava target-boehm-gc target-zlib"
411 noconfigdirs="$noconfigdirs target-libgloss"
412 ;;
413 *-*-netbsd*)
414 # Skip some stuff on all NetBSD configurations.
415 noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss"
417 # Skip some stuff that's unsupported on some NetBSD configurations.
418 case "${target}" in
419 i*86-*-netbsdelf*) ;;
420 arm*-*-netbsdelf*) ;;
421 *)
422 noconfigdirs="$noconfigdirs ${libgcj}"
423 ;;
424 esac
425 ;;
426 *-*-netware)
427 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-newlib target-libiberty target-libgloss ${libgcj}"
428 ;;
429 *-*-rtems*)
430 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
431 ;;
432 *-*-uclinux*)
433 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-rda ${libgcj}"
434 ;;
435 *-*-vxworks*)
436 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libiberty ${libgcj}"
437 ;;
438 alpha*-dec-osf*)
439 # ld works, but does not support shared libraries.
440 # newlib is not 64 bit ready. I'm not sure about fileutils.
441 # gas doesn't generate exception information.
442 noconfigdirs="$noconfigdirs gas ld fileutils target-newlib target-libgloss"
443 ;;
444 alpha*-*-*vms*)
445 noconfigdirs="$noconfigdirs gdb ld target-newlib target-libgloss ${libgcj}"
446 ;;
447 alpha*-*-linux*)
448 # newlib is not 64 bit ready
449 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
450 ;;
451 alpha*-*-*)
452 # newlib is not 64 bit ready
453 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
454 ;;
455 am33_2.0-*-linux*)
456 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
457 ;;
458 sh-*-linux*)
459 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
460 ;;
461 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
462 noconfigdirs="$noconfigdirs ${libgcj}"
463 noconfigdirs="$noconfigdirs target-examples"
464 noconfigdirs="$noconfigdirs target-libiberty texinfo send-pr"
465 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
466 noconfigdirs="$noconfigdirs expect dejagnu"
467 # the C++ libraries don't build on top of CE's C libraries
468 noconfigdirs="$noconfigdirs target-libstdc++-v3"
469 noconfigdirs="$noconfigdirs target-newlib"
470 case "${host}" in
471 *-*-cygwin*) ;; # keep gdb and readline
472 *) noconfigdirs="$noconfigdirs gdb readline"
473 ;;
474 esac
475 ;;
476 arc-*-*)
477 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
478 ;;
479 arm-*-coff | strongarm-*-coff | xscale-*-coff)
480 noconfigdirs="$noconfigdirs ${libgcj}"
481 ;;
482 arm-*-elf* | strongarm-*-elf* | xscale-*-elf* | arm*-*-eabi* )
483 noconfigdirs="$noconfigdirs target-libffi target-qthreads"
484 ;;
485 arm*-*-symbianelf*)
486 noconfigdirs="$noconfigdirs ${libgcj} target-libiberty"
487 ;;
488 arm-*-pe*)
489 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
490 ;;
491 arm-*-oabi*)
492 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
493 ;;
494 thumb-*-coff)
495 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
496 ;;
497 thumb-*-elf)
498 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
499 ;;
500 thumb-*-oabi)
501 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
502 ;;
503 thumb-*-pe)
504 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
505 ;;
506 arm-*-riscix*)
507 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
508 ;;
509 avr-*-*)
510 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
511 ;;
512 c4x-*-* | tic4x-*-*)
513 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
514 ;;
515 c54x*-*-* | tic54x-*-*)
516 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj} gcc gdb newlib"
517 ;;
518 cris-*-*)
519 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
520 ;;
521 crx-*-*)
522 noconfigdirs="$noconfigdirs target-libgloss target-libstdc++-v3 target-mudflap ${libgcj}"
523 ;;
524 d10v-*-*)
525 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
526 ;;
527 d30v-*-*)
528 noconfigdirs="$noconfigdirs ${libgcj} gdb"
529 ;;
530 fr30-*-elf*)
531 noconfigdirs="$noconfigdirs ${libgcj} gdb"
532 ;;
533 frv-*-*)
534 noconfigdirs="$noconfigdirs ${libgcj}"
535 ;;
536 h8300*-*-*)
537 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
538 ;;
539 h8500-*-*)
540 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
541 ;;
542 hppa*64*-*-linux* | parisc*64*-*-linux*)
543 # In this case, it's because the hppa64-linux target is for
544 # the kernel only at this point and has no libc, and thus no
545 # headers, crt*.o, etc., all of which are needed by these.
546 noconfigdirs="$noconfigdirs target-zlib"
547 ;;
548 hppa*-*-*elf* | \
549 parisc*-*-linux* | hppa*-*-linux* | \
550 hppa*-*-lites* | \
551 hppa*-*-openbsd* | \
552 hppa*64*-*-*)
553 noconfigdirs="$noconfigdirs ${libgcj}"
554 # Do configure ld/binutils/gas for this case.
555 ;;
556 hppa*-*-*)
557 # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
558 # build on HP-UX 10.20.
559 noconfigdirs="$noconfigdirs ld shellutils ${libgcj}"
560 ;;
561 i960-*-*)
562 noconfigdirs="$noconfigdirs ${libgcj} gdb"
563 ;;
564 ia64*-*-elf*)
565 # No gdb support yet.
566 noconfigdirs="$noconfigdirs readline mmalloc libgui itcl gdb"
567 ;;
568 ia64*-**-hpux*)
569 # No gdb or ld support yet.
570 noconfigdirs="$noconfigdirs ${libgcj} readline mmalloc libgui itcl gdb ld"
571 ;;
572 i[[3456789]]86-*-coff | i[[3456789]]86-*-elf)
573 noconfigdirs="$noconfigdirs ${libgcj}"
574 ;;
575 i[[3456789]]86-*-linux*)
576 # The GCC port for glibc1 has no MD_FALLBACK_FRAME_STATE_FOR, so let's
577 # not build java stuff by default.
578 case "${target}" in
579 *-*-*libc1*)
580 noconfigdirs="$noconfigdirs ${libgcj}";;
581 esac
583 # This section makes it possible to build newlib natively on linux.
584 # If we are using a cross compiler then don't configure newlib.
585 if test x${is_cross_compiler} != xno ; then
586 noconfigdirs="$noconfigdirs target-newlib"
587 fi
588 noconfigdirs="$noconfigdirs target-libgloss"
589 # If we are not using a cross compiler, do configure newlib.
590 # Note however, that newlib will only be configured in this situation
591 # if the --with-newlib option has been given, because otherwise
592 # 'target-newlib' will appear in skipdirs.
593 ;;
594 i[[3456789]]86-*-mingw32*)
595 target_configdirs="$target_configdirs target-mingw"
596 noconfigdirs="$noconfigdirs expect target-libgloss ${libgcj}"
598 # Can't build gdb for mingw32 if not native.
599 case "${host}" in
600 i[[3456789]]86-*-mingw32) ;; # keep gdb tcl tk expect etc.
601 *) noconfigdirs="$noconfigdirs gdb tcl tk expect itcl gnuserv"
602 ;;
603 esac
604 ;;
605 *-*-cygwin*)
606 target_configdirs="$target_configdirs target-libtermcap target-winsup"
607 noconfigdirs="$noconfigdirs target-gperf target-libgloss ${libgcj}"
608 # always build newlib if winsup directory is present.
609 if test -d "$srcdir/winsup"
610 then
611 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
612 else
613 echo "Warning: winsup is missing so newlib can't be built."
614 fi
616 # Can't build gdb for Cygwin if not native.
617 case "${host}" in
618 *-*-cygwin*) ;; # keep gdb tcl tk expect etc.
619 *) noconfigdirs="$noconfigdirs gdb tcl tk expect itcl libgui gnuserv"
620 ;;
621 esac
622 ;;
623 i[[3456789]]86-*-pe)
624 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
625 ;;
626 i[[3456789]]86-*-sco3.2v5*)
627 # The linker does not yet know about weak symbols in COFF,
628 # and is not configured to handle mixed ELF and COFF.
629 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
630 ;;
631 i[[3456789]]86-*-sco*)
632 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
633 ;;
634 i[[3456789]]86-*-solaris2*)
635 noconfigdirs="$noconfigdirs target-libgloss"
636 ;;
637 i[[3456789]]86-*-sysv4*)
638 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
639 ;;
640 i[[3456789]]86-*-beos*)
641 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
642 ;;
643 m32r-*-*)
644 noconfigdirs="$noconfigdirs ${libgcj}"
645 ;;
646 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
647 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
648 ;;
649 m68k-*-elf*)
650 noconfigdirs="$noconfigdirs ${libgcj}"
651 ;;
652 m68k-*-coff*)
653 noconfigdirs="$noconfigdirs ${libgcj}"
654 ;;
655 mcore-*-pe*)
656 # The EPOC C++ environment does not support exceptions or rtti,
657 # and so building libstdc++-v3 tends not to always work.
658 noconfigdirs="$noconfigdirs target-libstdc++-v3"
659 ;;
660 mmix-*-*)
661 noconfigdirs="$noconfigdirs ${libgcj} gdb libgloss"
662 ;;
663 mn10200-*-*)
664 noconfigdirs="$noconfigdirs ${libgcj}"
665 ;;
666 mn10300-*-*)
667 noconfigdirs="$noconfigdirs ${libgcj}"
668 ;;
669 powerpc-*-aix*)
670 # copied from rs6000-*-* entry
671 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
672 ;;
673 powerpc*-*-winnt* | powerpc*-*-pe* | ppc*-*-pe)
674 target_configdirs="$target_configdirs target-winsup"
675 noconfigdirs="$noconfigdirs gdb tcl tk make expect target-libgloss itcl gnuserv ${libgcj}"
676 # always build newlib.
677 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
678 ;;
679 # This is temporary until we can link against shared libraries
680 powerpcle-*-solaris*)
681 noconfigdirs="$noconfigdirs gdb sim make tcl tk expect itcl gnuserv ${libgcj}"
682 ;;
683 powerpc-*-beos*)
684 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
685 ;;
686 powerpc-*-eabi)
687 noconfigdirs="$noconfigdirs ${libgcj}"
688 ;;
689 rs6000-*-lynxos*)
690 noconfigdirs="$noconfigdirs target-newlib gprof ${libgcj}"
691 ;;
692 rs6000-*-aix*)
693 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
694 ;;
695 rs6000-*-*)
696 noconfigdirs="$noconfigdirs gprof ${libgcj}"
697 ;;
698 m68k-apollo-*)
699 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss ${libgcj}"
700 ;;
701 mips*-*-irix5*)
702 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
703 ;;
704 mips*-*-irix6*)
705 # Linking libjava exceeds command-line length limits on at least
706 # IRIX 6.2, but not on IRIX 6.5.
707 # Also, boehm-gc won't build on IRIX 6.5, according to Jeffrey Oldham
708 # <oldham@codesourcery.com>
709 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
710 ;;
711 mips*-dec-bsd*)
712 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
713 ;;
714 mips*-*-bsd*)
715 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
716 ;;
717 mipstx39-*-*)
718 noconfigdirs="$noconfigdirs gprof ${libgcj}" # same as generic mips
719 ;;
720 mips64*-*-linux*)
721 noconfigdirs="$noconfigdirs target-newlib ${libgcj}"
722 ;;
723 mips*-*-linux*)
724 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
725 ;;
726 mips*-*-*)
727 noconfigdirs="$noconfigdirs gprof ${libgcj}"
728 ;;
729 romp-*-*)
730 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes target-libgloss ${libgcj}"
731 ;;
732 sh-*-*)
733 case "${host}" in
734 i[[3456789]]86-*-vsta) ;; # don't add gprof back in
735 i[[3456789]]86-*-go32*) ;; # don't add gprof back in
736 i[[3456789]]86-*-msdosdjgpp*) ;; # don't add gprof back in
737 *) skipdirs=`echo " ${skipdirs} " | sed -e 's/ gprof / /'` ;;
738 esac
739 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
740 ;;
741 sh64-*-*)
742 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
743 ;;
744 sparc-*-elf*)
745 noconfigdirs="$noconfigdirs ${libgcj}"
746 ;;
747 sparc64-*-elf*)
748 noconfigdirs="$noconfigdirs ${libgcj}"
749 ;;
750 sparclite-*-*)
751 noconfigdirs="$noconfigdirs ${libgcj}"
752 ;;
753 sparc-*-sunos4*)
754 noconfigdirs="$noconfigdirs ${libgcj}"
755 if test x${is_cross_compiler} != xno ; then
756 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
757 else
758 use_gnu_ld=no
759 fi
760 ;;
761 sparc-*-solaris* | sparc64-*-solaris* | sparcv9-*-solaris*)
762 ;;
763 v810-*-*)
764 noconfigdirs="$noconfigdirs bfd binutils gas gcc gdb ld target-libstdc++-v3 opcodes target-libgloss ${libgcj}"
765 ;;
766 v850-*-*)
767 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
768 ;;
769 v850e-*-*)
770 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
771 ;;
772 v850ea-*-*)
773 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
774 ;;
775 vax-*-vms)
776 noconfigdirs="$noconfigdirs bfd binutils gdb ld target-newlib opcodes target-libgloss ${libgcj}"
777 ;;
778 vax-*-*)
779 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
780 ;;
781 xtensa-*-*)
782 noconfigdirs="$noconfigdirs ${libgcj}"
783 ;;
784 ip2k-*-*)
785 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
786 ;;
787 *-*-linux*)
788 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
789 ;;
790 *-*-lynxos*)
791 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
792 ;;
793 *-*-*)
794 noconfigdirs="$noconfigdirs ${libgcj}"
795 ;;
796 esac
798 # If we aren't building newlib, then don't build libgloss, since libgloss
799 # depends upon some newlib header files.
800 case "${noconfigdirs}" in
801 *target-libgloss*) ;;
802 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
803 esac
805 # Work in distributions that contain no compiler tools, like Autoconf.
806 tentative_cc=""
807 host_makefile_frag=/dev/null
808 if test -d ${srcdir}/config ; then
809 case "${host}" in
810 m68k-hp-hpux*)
811 # Avoid "too much defining" errors from HPUX compiler.
812 tentative_cc="cc -Wp,-H256000"
813 # If "ar" in $PATH is GNU ar, the symbol table may need rebuilding.
814 # If it's HP/UX ar, this should be harmless.
815 RANLIB="ar ts"
816 ;;
817 m68k-apollo-sysv*)
818 tentative_cc="cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DUSG"
819 ;;
820 m68k-apollo-bsd*)
821 #None of the Apollo compilers can compile gas or binutils. The preprocessor
822 # chokes on bfd, the compiler won't let you assign integers to enums, and
823 # other problems. Defining CC to gcc is a questionable way to say "don't use
824 # the apollo compiler" (the preferred version of GCC could be called cc,
825 # or whatever), but I'm not sure leaving CC as cc is any better...
826 #CC=cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DNO_STDARG
827 # Used to have BISON=yacc.
828 tentative_cc=gcc
829 ;;
830 m88k-dg-dgux*)
831 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
832 ;;
833 m88k-harris-cxux*)
834 # Under CX/UX, we want to tell the compiler to use ANSI mode.
835 tentative_cc="cc -Xa"
836 host_makefile_frag="config/mh-cxux"
837 ;;
838 m88k-motorola-sysv*)
839 ;;
840 mips*-dec-ultrix*)
841 tentative_cc="cc -Wf,-XNg1000"
842 host_makefile_frag="config/mh-decstation"
843 ;;
844 mips*-nec-sysv4*)
845 # The C compiler on NEC MIPS SVR4 needs bigger tables.
846 tentative_cc="cc -ZXNd=5000 -ZXNg=1000"
847 host_makefile_frag="config/mh-necv4"
848 ;;
849 mips*-sgi-irix4*)
850 # Tell compiler to use K&R C. We can't compile under the SGI Ansi
851 # environment. Also bump switch table size so that cp-parse will
852 # compile. Bump string length limit so linker builds.
853 tentative_cc="cc -cckr -Wf,-XNg1500 -Wf,-XNk1000 -Wf,-XNh2000 -Wf,-XNl8192"
854 ;;
855 mips*-*-sysv4*)
856 host_makefile_frag="config/mh-sysv4"
857 ;;
858 mips*-*-sysv*)
859 # This is for a MIPS running RISC/os 4.52C.
861 # This is needed for GDB, but needs to be in the top-level make because
862 # if a library is compiled with the bsd headers and gets linked with the
863 # sysv system libraries all hell can break loose (e.g. a jmp_buf might be
864 # a different size).
865 # ptrace(2) apparently has problems in the BSD environment. No workaround is
866 # known except to select the sysv environment. Could we use /proc instead?
867 # These "sysv environments" and "bsd environments" often end up being a pain.
868 #
869 # This is not part of CFLAGS because perhaps not all C compilers have this
870 # option.
871 tentative_cc="cc -systype sysv"
872 ;;
873 i370-ibm-opened*)
874 tentative_cc="c89"
875 ;;
876 i[[3456789]]86-*-sysv5*)
877 host_makefile_frag="config/mh-sysv5"
878 ;;
879 i[[3456789]]86-*-dgux*)
880 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
881 host_makefile_frag="config/mh-dgux386"
882 ;;
883 i[[3456789]]86-ncr-sysv4.3*)
884 # The MetaWare compiler will generate a copyright message unless you
885 # turn it off by adding the -Hnocopyr flag.
886 tentative_cc="cc -Hnocopyr"
887 ;;
888 i[[3456789]]86-ncr-sysv4*)
889 # for an NCR 3000 (i486/SVR4) system.
890 # The NCR 3000 ships with a MetaWare compiler installed as /bin/cc.
891 # This compiler not only emits obnoxious copyright messages every time
892 # you run it, but it chokes and dies on a whole bunch of GNU source
893 # files. Default to using the AT&T compiler installed in /usr/ccs/ATT/cc.
894 tentative_cc="/usr/ccs/ATT/cc"
895 host_makefile_frag="config/mh-ncr3000"
896 ;;
897 i[[3456789]]86-*-sco3.2v5*)
898 ;;
899 i[[3456789]]86-*-sco*)
900 # The native C compiler botches some simple uses of const. Unfortunately,
901 # it doesn't defined anything like "__sco__" for us to test for in ansidecl.h.
902 tentative_cc="cc -Dconst="
903 host_makefile_frag="config/mh-sco"
904 ;;
905 i[[3456789]]86-*-udk*)
906 host_makefile_frag="config/mh-sysv5"
907 ;;
908 i[[3456789]]86-*-solaris2*)
909 host_makefile_frag="config/mh-sysv4"
910 ;;
911 i[[3456789]]86-*-msdosdjgpp*)
912 host_makefile_frag="config/mh-djgpp"
913 ;;
914 *-cygwin*)
915 host_makefile_frag="config/mh-cygwin"
916 ;;
917 *-mingw32*)
918 host_makefile_frag="config/mh-mingw32"
919 ;;
920 *-interix*)
921 host_makefile_frag="config/mh-interix"
922 ;;
923 vax-*-ultrix2*)
924 # The old BSD pcc isn't up to compiling parts of gdb so use gcc
925 tentative_cc=gcc
926 ;;
927 *-*-solaris2*)
928 host_makefile_frag="config/mh-solaris"
929 ;;
930 m68k-sun-sunos*)
931 # Sun's C compiler needs the -J flag to be able to compile cp-parse.c
932 # without overflowing the jump tables (-J says to use a 32 bit table)
933 tentative_cc="cc -J"
934 ;;
935 *-hp-hpux*)
936 tentative_cc="cc -Wp,-H256000"
937 ;;
938 *-*-hiux*)
939 tentative_cc="cc -Wp,-H256000"
940 ;;
941 rs6000-*-lynxos*)
942 # /bin/cc is less than useful for our purposes. Always use GCC
943 tentative_cc="/usr/cygnus/progressive/bin/gcc"
944 host_makefile_frag="config/mh-lynxrs6k"
945 ;;
946 *-*-lynxos*)
947 # /bin/cc is less than useful for our purposes. Always use GCC
948 tentative_cc="/bin/gcc"
949 ;;
950 *-*-sysv4*)
951 host_makefile_frag="config/mh-sysv4"
952 ;;
953 esac
954 fi
956 # If we aren't going to be using gcc, see if we can extract a definition
957 # of CC from the fragment.
958 # Actually, use the 'pre-extracted' version above.
959 if test -z "${CC}" && test "${build}" = "${host}" ; then
960 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
961 found=
962 for dir in $PATH; do
963 test -z "$dir" && dir=.
964 if test -f $dir/gcc; then
965 found=yes
966 break
967 fi
968 done
969 IFS="$save_ifs"
970 if test -z "${found}" && test -n "${tentative_cc}" ; then
971 CC=$tentative_cc
972 fi
973 fi
975 if test "${build}" != "${host}" ; then
976 # If we are doing a Canadian Cross, in which the host and build systems
977 # are not the same, we set reasonable default values for the tools.
979 CC=${CC-${host_alias}-gcc}
980 CFLAGS=${CFLAGS-"-g -O2"}
981 CXX=${CXX-${host_alias}-c++}
982 CXXFLAGS=${CXXFLAGS-"-g -O2"}
983 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
984 CC_FOR_TARGET=${CC_FOR_TARGET-${target_alias}-gcc}
985 CXX_FOR_TARGET=${CXX_FOR_TARGET-${target_alias}-c++}
986 GCJ_FOR_TARGET=${GCJ_FOR_TARGET-${target_alias}-gcj}
987 GCC_FOR_TARGET=${GCC_FOR_TARGET-${CC_FOR_TARGET-${target_alias}-gcc}}
988 BUILD_DIR_PREFIX=${build_subdir}
989 BUILD_PREFIX=${build_alias}-
990 BUILD_PREFIX_1=${build_alias}-
992 else
993 # Set reasonable default values for some tools even if not Canadian.
994 # Of course, these are different reasonable default values, originally
995 # specified directly in the Makefile.
996 # We don't export, so that autoconf can do its job.
997 # Note that all these settings are above the fragment inclusion point
998 # in Makefile.in, so can still be overridden by fragments.
999 # This is all going to change when we autoconfiscate...
1001 CC_FOR_BUILD="\$(CC)"
1002 GCC_FOR_TARGET="\$(USUAL_GCC_FOR_TARGET)"
1003 BUILD_DIR_PREFIX=
1004 BUILD_PREFIX=
1005 BUILD_PREFIX_1=loser-
1007 AC_PROG_CC
1009 # We must set the default linker to the linker used by gcc for the correct
1010 # operation of libtool. If LD is not defined and we are using gcc, try to
1011 # set the LD default to the ld used by gcc.
1012 if test -z "$LD"; then
1013 if test "$GCC" = yes; then
1014 case $build in
1015 *-*-mingw*)
1016 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1017 *)
1018 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1019 esac
1020 case $gcc_prog_ld in
1021 # Accept absolute paths.
1022 [[\\/]* | [A-Za-z]:[\\/]*)]
1023 LD="$gcc_prog_ld" ;;
1024 esac
1025 fi
1026 fi
1028 CXX=${CXX-"c++"}
1029 CFLAGS=${CFLAGS-"-g"}
1030 CXXFLAGS=${CXXFLAGS-"-g -O2"}
1031 fi
1033 ACX_PROG_GNAT
1034 ACX_PROG_CMP_IGNORE_INITIAL
1036 # Check for GMP and MPFR
1037 gmplibs=
1038 gmpinc=
1039 have_gmp=yes
1040 # Specify a location for mpfr
1041 # check for this first so it ends up on the link line before gmp.
1042 AC_ARG_WITH(mpfr-dir, [ --with-mpfr-dir=PATH Specify source directory for MPFR library])
1044 if test "x$with_mpfr_dir" != x; then
1045 gmpinc="-I$with_mpfr_dir/mpfr"
1046 gmplibs="$with_mpfr_dir/libmpfr.a"
1047 else
1048 gmplibs="-lmpfr"
1049 fi
1051 AC_ARG_WITH(mpfr, [ --with-mpfr=PATH Specify directory for installed MPFR library])
1053 if test "x$with_mpfr" != x; then
1054 gmplibs="-L$with_mpfr/lib $gmplibs"
1055 gmpinc="-I$with_mpfr/include"
1056 fi
1058 # Specify a location for gmp
1059 AC_ARG_WITH(gmp-dir, [ --with-gmp-dir=PATH Specify source directory for GMP library])
1061 if test "x$with_gmp_dir" != x; then
1062 gmpinc="$gmpinc -I$with_gmp_dir"
1063 if test -f "$with_gmp_dir/.libs/libgmp.a"; then
1064 gmplibs="$gmplibs $with_gmp_dir/.libs/libgmp.a"
1065 elif test -f "$with_gmp_dir/_libs/libgmp.a"; then
1066 gmplibs="$gmplibs $with_gmp_dir/_libs/libgmp.a"
1067 fi
1068 # One of the later tests will catch the error if neither library is present.
1069 else
1070 gmplibs="$gmplibs -lgmp"
1071 fi
1073 AC_ARG_WITH(gmp, [ --with-gmp=PATH Specify directory for installed GMP library])
1075 if test "x$with_gmp" != x; then
1076 gmplibs="-L$with_gmp/lib $gmplibs"
1077 gmpinc="-I$with_gmp/include $gmpinc"
1078 fi
1080 saved_CFLAGS="$CFLAGS"
1081 CFLAGS="$CFLAGS $gmpinc"
1082 # Check GMP actually works
1083 AC_MSG_CHECKING([for correct version of gmp.h])
1084 AC_TRY_COMPILE([#include "gmp.h"],[
1085 #if __GNU_MP_VERSION < 3
1086 choke me
1087 #endif
1088 ], [AC_MSG_RESULT([yes])],
1089 [AC_MSG_RESULT([no]); have_gmp=no])
1091 if test x"$have_gmp" = xyes; then
1092 AC_MSG_CHECKING([for MPFR])
1094 saved_LIBS="$LIBS"
1095 LIBS="$LIBS $gmplibs"
1096 AC_TRY_LINK([#include <gmp.h>
1097 #include <mpfr.h>], [mpfr_t n; mpfr_init(n);],
1098 [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1099 LIBS="$saved_LIBS"
1100 CFLAGS="$saved_CFLAGS"
1101 fi
1103 # Flags needed for both GMP and/or MPFR
1104 AC_SUBST(gmplibs)
1105 AC_SUBST(gmpinc)
1107 # By default, C is the only stage 1 language.
1108 stage1_languages=c
1109 AC_SUBST(stage1_languages)
1111 # Figure out what language subdirectories are present.
1112 # Look if the user specified --enable-languages="..."; if not, use
1113 # the environment variable $LANGUAGES if defined. $LANGUAGES might
1114 # go away some day.
1115 # NB: embedded tabs in this IF block -- do not untabify
1116 if test -d ${srcdir}/gcc; then
1117 if test x"${enable_languages+set}" != xset; then
1118 if test x"${LANGUAGES+set}" = xset; then
1119 enable_languages="${LANGUAGES}"
1120 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1121 else
1122 enable_languages=all
1123 fi
1124 else
1125 if test x"${enable_languages}" = x ||
1126 test x"${enable_languages}" = xyes;
1127 then
1128 echo configure.in: --enable-languages needs at least one language argument 1>&2
1129 exit 1
1130 fi
1131 fi
1132 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1134 # First scan to see if an enabled language requires some other language.
1135 # We assume that a given config-lang.in will list all the language
1136 # front ends it requires, even if some are required indirectly.
1137 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1138 case ${lang_frag} in
1139 ..) ;;
1140 # The odd quoting in the next line works around
1141 # an apparent bug in bash 1.12 on linux.
1142 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1143 *)
1144 # From the config-lang.in, get $language, $lang_requires
1145 language=
1146 lang_requires=
1147 . ${lang_frag}
1148 for other in ${lang_requires} ; do
1149 case ,${enable_languages}, in
1150 *,$other,*) ;;
1151 *,all,*) ;;
1152 *,$language,*)
1153 echo " \`$other' language required by \`$language'; enabling" 1>&2
1154 enable_languages="${enable_languages},${other}"
1155 ;;
1156 esac
1157 done
1158 ;;
1159 esac
1160 done
1162 new_enable_languages=c
1163 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
1165 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1166 case ${lang_frag} in
1167 ..) ;;
1168 # The odd quoting in the next line works around
1169 # an apparent bug in bash 1.12 on linux.
1170 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1171 *)
1172 # From the config-lang.in, get $language, $target_libs,
1173 # $lang_dirs, $boot_language, and $build_by_default
1174 language=
1175 target_libs=
1176 lang_dirs=
1177 boot_language=
1178 build_by_default=
1179 need_gmp=
1180 . ${lang_frag}
1181 # This is quite sensitive to the ordering of the case statement arms.
1182 case ,${enable_languages},:${language}:${have_gnat}:${build_by_default} in
1183 *::*:*)
1184 echo "${lang_frag} doesn't set \$language." 1>&2
1185 exit 1
1186 ;;
1187 *:ada:no:*)
1188 # Ada was requested with no preexisting GNAT. Disable unconditionally.
1189 add_this_lang=no
1190 ;;
1191 *,${language},*:*:*:*)
1192 # Language was explicitly selected; include it.
1193 add_this_lang=yes
1194 ;;
1195 *,all,*:*:*:no)
1196 # 'all' was selected, but this is not a default language
1197 # so do not include it.
1198 add_this_lang=no
1199 ;;
1200 *,all,*:*:*:*)
1201 # 'all' was selected and this is a default language; include it.
1202 add_this_lang=yes
1203 ;;
1204 *)
1205 add_this_lang=no
1206 ;;
1207 esac
1209 # Disable language that need GMP if it isn't available.
1210 if test x"$need_gmp" = xyes && test x"$have_gmp" = xno; then
1211 add_this_lang=no
1212 fi
1214 case $add_this_lang in
1215 no)
1216 # Remove language-dependent dirs.
1217 eval noconfigdirs='"$noconfigdirs "'\"$target_libs $lang_dirs\"
1218 ;;
1219 *)
1220 new_enable_languages="$new_enable_languages,$language"
1221 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
1222 case ${boot_language} in
1223 yes)
1224 # Add to (comma-separated) list of stage 1 languages.
1225 stage1_languages="${stage1_languages},${language}"
1226 ;;
1227 esac
1228 ;;
1229 esac
1230 ;;
1231 esac
1232 done
1234 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
1235 if test "x$missing_languages" != x; then
1236 AC_MSG_ERROR([
1237 The following requested languages were not found: ${missing_languages}])
1238 fi
1240 if test "x$new_enable_languages" != "x$enable_languages"; then
1241 echo The following languages will be built: ${new_enable_languages}
1242 fi
1243 enable_languages="$new_enable_languages"
1244 ac_configure_args=`echo " $ac_configure_args" | sed -e 's/ --enable-languages=[[^ ]]*//' -e 's/$/ --enable-languages='"$enable_languages"/ `
1245 fi
1247 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs and
1248 # $target_configdirs.
1249 # If we have the source for $noconfigdirs entries, add them to $notsupp.
1251 notsupp=""
1252 for dir in . $skipdirs $noconfigdirs ; do
1253 dirname=`echo $dir | sed -e s/target-//g`
1254 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1255 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
1256 if test -r $srcdir/$dirname/configure ; then
1257 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1258 true
1259 else
1260 notsupp="$notsupp $dir"
1261 fi
1262 fi
1263 fi
1264 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1265 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
1266 if test -r $srcdir/$dirname/configure ; then
1267 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1268 true
1269 else
1270 notsupp="$notsupp $dir"
1271 fi
1272 fi
1273 fi
1274 done
1276 # Sometimes the tools are distributed with libiberty but with no other
1277 # libraries. In that case, we don't want to build target-libiberty.
1278 if test -n "${target_configdirs}" ; then
1279 others=
1280 for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do
1281 if test "$i" != "libiberty" ; then
1282 if test -r $srcdir/$i/configure ; then
1283 others=yes;
1284 break;
1285 fi
1286 fi
1287 done
1288 if test -z "${others}" ; then
1289 target_configdirs=
1290 fi
1291 fi
1293 # Quietly strip out all directories which aren't configurable in this tree.
1294 # This relies on all configurable subdirectories being autoconfiscated, which
1295 # is now the case.
1296 build_configdirs_all="$build_configdirs"
1297 build_configdirs=
1298 for i in ${build_configdirs_all} ; do
1299 j=`echo $i | sed -e s/build-//g`
1300 if test -f ${srcdir}/$j/configure ; then
1301 build_configdirs="${build_configdirs} $i"
1302 fi
1303 done
1305 configdirs_all="$configdirs"
1306 configdirs=
1307 for i in ${configdirs_all} ; do
1308 if test -f ${srcdir}/$i/configure ; then
1309 configdirs="${configdirs} $i"
1310 fi
1311 done
1313 target_configdirs_all="$target_configdirs"
1314 target_configdirs=
1315 for i in ${target_configdirs_all} ; do
1316 j=`echo $i | sed -e s/target-//g`
1317 if test -f ${srcdir}/$j/configure ; then
1318 target_configdirs="${target_configdirs} $i"
1319 fi
1320 done
1322 # Produce a warning message for the subdirs we can't configure.
1323 # This isn't especially interesting in the Cygnus tree, but in the individual
1324 # FSF releases, it's important to let people know when their machine isn't
1325 # supported by the one or two programs in a package.
1327 if test -n "${notsupp}" && test -z "${norecursion}" ; then
1328 # If $appdirs is non-empty, at least one of those directories must still
1329 # be configured, or we error out. (E.g., if the gas release supports a
1330 # specified target in some subdirs but not the gas subdir, we shouldn't
1331 # pretend that all is well.)
1332 if test -n "$appdirs" ; then
1333 for dir in $appdirs ; do
1334 if test -r $dir/Makefile.in ; then
1335 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1336 appdirs=""
1337 break
1338 fi
1339 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
1340 appdirs=""
1341 break
1342 fi
1343 fi
1344 done
1345 if test -n "$appdirs" ; then
1346 echo "*** This configuration is not supported by this package." 1>&2
1347 exit 1
1348 fi
1349 fi
1350 # Okay, some application will build, or we don't care to check. Still
1351 # notify of subdirs not getting built.
1352 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
1353 echo " ${notsupp}" 1>&2
1354 echo " (Any other directories should still work fine.)" 1>&2
1355 fi
1357 case "$host" in
1358 *msdosdjgpp*)
1359 enable_gdbtk=no ;;
1360 esac
1362 copy_dirs=
1364 # Handle --with-headers=XXX. If the value is not "yes", the contents of
1365 # the named directory are copied to $(tooldir)/sys-include.
1366 if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
1367 if test x${is_cross_compiler} = xno ; then
1368 echo 1>&2 '***' --with-headers is only supported when cross compiling
1369 exit 1
1370 fi
1371 if test x"${with_headers}" != xyes ; then
1372 case "${exec_prefixoption}" in
1373 "") x=${prefix} ;;
1374 *) x=${exec_prefix} ;;
1375 esac
1376 copy_dirs="${copy_dirs} ${with_headers} $x/${target_alias}/sys-include"
1377 fi
1378 fi
1380 # Handle --with-libs=XXX. If the value is not "yes", the contents of
1381 # the name directories are copied to $(tooldir)/lib. Multiple directories
1382 # are permitted.
1383 if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
1384 if test x${is_cross_compiler} = xno ; then
1385 echo 1>&2 '***' --with-libs is only supported when cross compiling
1386 exit 1
1387 fi
1388 if test x"${with_libs}" != xyes ; then
1389 # Copy the libraries in reverse order, so that files in the first named
1390 # library override files in subsequent libraries.
1391 case "${exec_prefixoption}" in
1392 "") x=${prefix} ;;
1393 *) x=${exec_prefix} ;;
1394 esac
1395 for l in ${with_libs}; do
1396 copy_dirs="$l $x/${target_alias}/lib ${copy_dirs}"
1397 done
1398 fi
1399 fi
1401 # Handle ${copy_dirs}
1402 set fnord ${copy_dirs}
1403 shift
1404 while test $# != 0 ; do
1405 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
1406 :
1407 else
1408 echo Copying $1 to $2
1410 # Use the install script to create the directory and all required
1411 # parent directories.
1412 if test -d $2 ; then
1413 :
1414 else
1415 echo >config.temp
1416 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
1417 fi
1419 # Copy the directory, assuming we have tar.
1420 # FIXME: Should we use B in the second tar? Not all systems support it.
1421 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
1423 # It is the responsibility of the user to correctly adjust all
1424 # symlinks. If somebody can figure out how to handle them correctly
1425 # here, feel free to add the code.
1427 echo $1 > $2/COPIED
1428 fi
1429 shift; shift
1430 done
1432 extra_arflags_for_target=
1433 extra_nmflags_for_target=
1434 extra_ranlibflags_for_target=
1435 target_makefile_frag=/dev/null
1436 case "${target}" in
1437 i[[3456789]]86-*-netware*)
1438 target_makefile_frag="config/mt-netware"
1439 ;;
1440 powerpc-*-netware*)
1441 target_makefile_frag="config/mt-netware"
1442 ;;
1443 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu)
1444 target_makefile_frag="config/mt-gnu"
1445 ;;
1446 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
1447 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
1448 # commands to handle both 32-bit and 64-bit objects. These flags are
1449 # harmless if we're using GNU nm or ar.
1450 extra_arflags_for_target=" -X32_64"
1451 extra_nmflags_for_target=" -B -X32_64"
1452 ;;
1453 *-*-darwin*)
1454 # ranlib from Darwin requires the -c flag to look at common symbols.
1455 extra_ranlibflags_for_target=" -c"
1456 ;;
1457 mips*-*-pe | sh*-*-pe | *arm-wince-pe)
1458 target_makefile_frag="config/mt-wince"
1459 ;;
1460 esac
1462 alphaieee_frag=/dev/null
1463 case $target in
1464 alpha*-*-*)
1465 # This just makes sure to use the -mieee option to build target libs.
1466 # This should probably be set individually by each library.
1467 alphaieee_frag="config/mt-alphaieee"
1468 ;;
1469 esac
1471 # If --enable-target-optspace always use -Os instead of -O2 to build
1472 # the target libraries, similarly if it is not specified, use -Os
1473 # on selected platforms.
1474 ospace_frag=/dev/null
1475 case "${enable_target_optspace}:${target}" in
1476 yes:*)
1477 ospace_frag="config/mt-ospace"
1478 ;;
1479 :d30v-*)
1480 ospace_frag="config/mt-d30v"
1481 ;;
1482 :m32r-* | :d10v-* | :fr30-*)
1483 ospace_frag="config/mt-ospace"
1484 ;;
1485 no:* | :*)
1486 ;;
1487 *)
1488 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
1489 ;;
1490 esac
1492 # Set with_gnu_as and with_gnu_ld as appropriate.
1493 #
1494 # This is done by determining whether or not the appropriate directory
1495 # is available, and by checking whether or not specific configurations
1496 # have requested that this magic not happen.
1497 #
1498 # The command line options always override the explicit settings in
1499 # configure.in, and the settings in configure.in override this magic.
1500 #
1501 # If the default for a toolchain is to use GNU as and ld, and you don't
1502 # want to do that, then you should use the --without-gnu-as and
1503 # --without-gnu-ld options for the configure script.
1505 if test x${use_gnu_as} = x &&
1506 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
1507 with_gnu_as=yes
1508 extra_host_args="$extra_host_args --with-gnu-as"
1509 fi
1511 if test x${use_gnu_ld} = x &&
1512 echo " ${configdirs} " | grep " ld " > /dev/null 2>&1 ; then
1513 with_gnu_ld=yes
1514 extra_host_args="$extra_host_args --with-gnu-ld"
1515 fi
1517 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
1518 # can detect this case.
1520 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
1521 with_newlib=yes
1522 extra_host_args="$extra_host_args --with-newlib"
1523 fi
1525 if test x${with_libbanshee} = xyes && echo " ${configdirs} " | grep " libbanshee " >/dev/null 2>&1; then
1526 extra_host_args="$extra_host_args --with-libbanshee"
1527 fi
1529 # Default to using --with-stabs for certain targets.
1530 if test x${with_stabs} = x ; then
1531 case "${target}" in
1532 mips*-*-irix[[56]]*)
1533 ;;
1534 mips*-*-* | alpha*-*-osf*)
1535 with_stabs=yes;
1536 extra_host_args="${extra_host_args} --with-stabs"
1537 ;;
1538 esac
1539 fi
1541 # hpux11 in 64bit mode has libraries in a weird place. Arrange to find
1542 # them automatically.
1543 case "${host}" in
1544 hppa*64*-*-hpux11*)
1545 extra_host_args="$extra_host_args -x-libraries=/usr/lib/pa20_64 -x-includes=/usr/X11R6/include"
1546 ;;
1547 esac
1549 # Some systems (e.g., one of the i386-aix systems the gas testers are
1550 # using) don't handle "\$" correctly, so don't use it here.
1551 tooldir='${exec_prefix}'/${target_alias}
1552 build_tooldir=${tooldir}
1554 # Generate default definitions for YACC, M4, LEX and other programs that run
1555 # on the build machine. These are used if the Makefile can't locate these
1556 # programs in objdir.
1557 MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
1558 AC_CHECK_PROGS([CONFIGURED_BISON], [bison], [$MISSING bison])
1559 AC_CHECK_PROGS([CONFIGURED_YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
1560 AC_CHECK_PROGS([CONFIGURED_M4], [gm4 gnum4 m4], [$MISSING m4])
1561 AC_CHECK_PROGS([CONFIGURED_FLEX], [flex], [$MISSING flex])
1562 AC_CHECK_PROGS([CONFIGURED_LEX], [flex lex], [$MISSING flex])
1563 AC_CHECK_PROGS([CONFIGURED_MAKEINFO], makeinfo, [$MISSING makeinfo])
1565 # Create a .gdbinit file which runs the one in srcdir
1566 # and tells GDB to look there for source files.
1568 if test -r ${srcdir}/.gdbinit ; then
1569 case ${srcdir} in
1570 .) ;;
1571 *) cat > ./.gdbinit <<EOF
1572 # ${NO_EDIT}
1573 dir ${srcdir}
1574 dir .
1575 source ${srcdir}/.gdbinit
1576 EOF
1577 ;;
1578 esac
1579 fi
1581 # Make sure that the compiler is able to generate an executable. If it
1582 # can't, we are probably in trouble. We don't care whether we can run the
1583 # executable--we might be using a cross compiler--we only care whether it
1584 # can be created. At this point the main configure script has set CC.
1585 we_are_ok=no
1586 echo "int main () { return 0; }" > conftest.c
1587 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
1588 if test $? = 0 ; then
1589 if test -s conftest || test -s conftest.exe ; then
1590 we_are_ok=yes
1591 fi
1592 fi
1593 case $we_are_ok in
1594 no)
1595 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
1596 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
1597 rm -f conftest*
1598 exit 1
1599 ;;
1600 esac
1601 rm -f conftest*
1603 # The Solaris /usr/ucb/cc compiler does not appear to work.
1604 case "${host}" in
1605 sparc-sun-solaris2*)
1606 CCBASE="`echo ${CC-cc} | sed 's/ .*$//'`"
1607 if test "`type $CCBASE | sed 's/^[[^/]]*//'`" = "/usr/ucb/cc" ; then
1608 could_use=
1609 test -d /opt/SUNWspro/bin && could_use="/opt/SUNWspro/bin"
1610 if test -d /opt/cygnus/bin ; then
1611 if test "$could_use" = "" ; then
1612 could_use="/opt/cygnus/bin"
1613 else
1614 could_use="$could_use or /opt/cygnus/bin"
1615 fi
1616 fi
1617 if test "$could_use" = "" ; then
1618 echo "Warning: compilation may fail because you're using"
1619 echo "/usr/ucb/cc. You should change your PATH or CC "
1620 echo "variable and rerun configure."
1621 else
1622 echo "Warning: compilation may fail because you're using"
1623 echo "/usr/ucb/cc, when you should use the C compiler from"
1624 echo "$could_use. You should change your"
1625 echo "PATH or CC variable and rerun configure."
1626 fi
1627 fi
1628 ;;
1629 esac
1631 # If --enable-shared was set, we must set LD_LIBRARY_PATH so that the
1632 # binutils tools will find libbfd.so.
1633 case "${enable_shared}" in
1634 no | "") SET_LIB_PATH= ;;
1635 *) SET_LIB_PATH="\$(REALLY_SET_LIB_PATH)" ;;
1636 esac
1638 case "${host}" in
1639 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
1640 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
1641 esac
1643 # Record target_configdirs and the configure arguments for target and
1644 # build configuration in Makefile.
1645 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
1646 build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
1648 # Determine whether gdb needs tk/tcl or not.
1649 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
1650 # and in that case we want gdb to be built without tk. Ugh!
1651 # In fact I believe gdb is the *only* package directly dependent on tk,
1652 # so we should be able to put the 'maybe's in unconditionally and
1653 # leave out the maybe dependencies when enable_gdbtk is false. I'm not
1654 # 100% sure that that's safe though.
1656 gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
1657 case "$enable_gdbtk" in
1658 no)
1659 GDB_TK="" ;;
1660 yes)
1661 GDB_TK="${gdb_tk}" ;;
1662 *)
1663 # Only add the dependency on gdbtk when GDBtk is part of the gdb
1664 # distro. Eventually someone will fix this and move Insight, nee
1665 # gdbtk to a separate directory.
1666 if test -d ${srcdir}/gdb/gdbtk ; then
1667 GDB_TK="${gdb_tk}"
1668 else
1669 GDB_TK=""
1670 fi
1671 ;;
1672 esac
1674 # Strip out unwanted targets.
1676 # While at that, we remove Makefiles if we were started for recursive
1677 # configuration, so that the top-level Makefile reconfigures them,
1678 # like we used to do when configure itself was recursive.
1680 # Loop over modules. $extrasub must be used with care, limiting as
1681 # much as possible the usage of range addresses. That's because autoconf
1682 # splits the sed script to overcome limits in the number of commands,
1683 # and relying on carefully-timed sed passes may turn out to be very hard
1684 # to maintain later. In this particular case, you just have to be careful
1685 # not to nest @if/@endif pairs, because configure will not warn you at all.
1687 AC_ARG_ENABLE([bootstrap],
1688 [ --enable-bootstrap Enable bootstrapping [no]],,
1689 enable_bootstrap=no)
1690 if test -d ${srcdir}/gcc; then
1691 case "$host:$target:$enable_bootstrap" in
1692 $build:$build:yes | *:no) ;;
1693 *:yes) AC_MSG_ERROR([cannot bootstrap a cross-compiler]) ;;
1694 *) AC_MSG_ERROR([invalid option for --enable-bootstrap]) ;;
1695 esac
1696 else
1697 if test $enable_bootstrap = yes; then
1698 AC_MSG_ERROR([cannot bootstrap without a compiler])
1699 fi
1700 fi
1702 case "$enable_bootstrap" in
1703 yes)
1704 default_target=bootstrap
1705 bootstrap_suffix=bootstrap ;;
1706 no)
1707 default_target=all
1708 bootstrap_suffix=no-bootstrap ;;
1709 esac
1710 AC_SUBST(default_target)
1712 for module in ${build_configdirs} ; do
1713 if test -z "${no_recursion}" \
1714 && test -f ${build_subdir}/${module}/Makefile; then
1715 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
1716 rm -f ${build_subdir}/${module}/Makefile
1717 fi
1718 extrasub="$extrasub
1719 /^@if build-$module\$/d
1720 /^@endif build-$module\$/d
1721 /^@if build-$module-$bootstrap_suffix\$/d
1722 /^@endif build-$module-$bootstrap_suffix\$/d"
1723 done
1724 for module in ${configdirs} ; do
1725 if test -z "${no_recursion}" \
1726 && test -f ${module}/Makefile; then
1727 echo 1>&2 "*** removing ${module}/Makefile to force reconfigure"
1728 rm -f ${module}/Makefile
1729 fi
1730 extrasub="$extrasub
1731 /^@if $module\$/d
1732 /^@endif $module\$/d
1733 /^@if $module-$bootstrap_suffix\$/d
1734 /^@endif $module-$bootstrap_suffix\$/d"
1735 done
1736 for module in ${target_configdirs} ; do
1737 if test -z "${no_recursion}" \
1738 && test -f ${target_subdir}/${module}/Makefile; then
1739 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
1740 rm -f ${target_subdir}/${module}/Makefile
1741 fi
1742 extrasub="$extrasub
1743 /^@if target-$module\$/d
1744 /^@endif target-$module\$/d
1745 /^@if target-$module-$bootstrap_suffix\$/d
1746 /^@endif target-$module-$bootstrap_suffix\$/d"
1747 done
1749 extrasub="$extrasub
1750 /^@if /,/^@endif /d"
1752 # Create the serialization dependencies. This uses a temporary file.
1754 AC_ARG_ENABLE([serial-configure],
1755 [ --enable-serial-[{host,target,build}-]configure
1756 Force sequential configuration of
1757 sub-packages for the host, target or build
1758 machine, or all sub-packages])
1760 case ${enable_serial_configure} in
1761 yes)
1762 enable_serial_build_configure=yes
1763 enable_serial_host_configure=yes
1764 enable_serial_target_configure=yes
1765 ;;
1766 esac
1768 # These force 'configure's to be done one at a time, to avoid problems
1769 # with contention over a shared config.cache.
1770 rm -f serdep.tmp
1771 echo '# serdep.tmp' > serdep.tmp
1772 olditem=
1773 test "x${enable_serial_build_configure}" = xyes &&
1774 for item in ${build_configdirs} ; do
1775 case ${olditem} in
1776 "") ;;
1777 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
1778 esac
1779 olditem=${item}
1780 done
1781 olditem=
1782 test "x${enable_serial_host_configure}" = xyes &&
1783 for item in ${configdirs} ; do
1784 case ${olditem} in
1785 "") ;;
1786 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
1787 esac
1788 olditem=${item}
1789 done
1790 olditem=
1791 test "x${enable_serial_target_configure}" = xyes &&
1792 for item in ${target_configdirs} ; do
1793 case ${olditem} in
1794 "") ;;
1795 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
1796 esac
1797 olditem=${item}
1798 done
1799 serialization_dependencies=serdep.tmp
1800 AC_SUBST_FILE(serialization_dependencies)
1802 # Base args. Strip norecursion, cache-file, srcdir, host, build,
1803 # target and nonopt. These are the ones we might not want to pass
1804 # down to subconfigures. Also strip program-prefix, program-suffix,
1805 # and program-transform-name, so that we can pass down a consistent
1806 # program-transform-name. If autoconf has put single quotes around
1807 # any of these arguments (because they contain shell metacharacters)
1808 # then this will fail; in practice this only happens for
1809 # --program-transform-name, so be sure to override --program-transform-name
1810 # at the end of the argument list.
1811 # These will be expanded by make, so quote '$'.
1812 cat <<\EOF_SED > conftestsed
1813 s/ --no[[^ ]]*/ /g
1814 s/ --c[[a-z-]]*[[= ]][[^ ]]*//g
1815 s/ --sr[[a-z-]]*[[= ]][[^ ]]*//g
1816 s/ --ho[[a-z-]]*[[= ]][[^ ]]*//g
1817 s/ --bu[[a-z-]]*[[= ]][[^ ]]*//g
1818 s/ --t[[a-z-]]*[[= ]][[^ ]]*//g
1819 s/ --program-[[pst]][[a-z-]]*[[= ]][[^ ]]*//g
1820 s/ -cache-file[[= ]][[^ ]]*//g
1821 s/ -srcdir[[= ]][[^ ]]*//g
1822 s/ -host[[= ]][[^ ]]*//g
1823 s/ -build[[= ]][[^ ]]*//g
1824 s/ -target[[= ]][[^ ]]*//g
1825 s/ -program-prefix[[= ]][[^ ]]*//g
1826 s/ -program-suffix[[= ]][[^ ]]*//g
1827 s/ -program-transform-name[[= ]][[^ ]]*//g
1828 s/ [[^' -][^ ]*] / /
1829 s/^ *//;s/ *$//
1830 s,\$,$$,g
1831 EOF_SED
1832 sed -f conftestsed <<EOF_SED > conftestsed.out
1833 ${ac_configure_args}
1834 EOF_SED
1835 baseargs=`cat conftestsed.out`
1836 rm -f conftestsed conftestsed.out
1838 # Add in --program-transform-name, after --program-prefix and
1839 # --program-suffix have been applied to it. Autoconf has already
1840 # doubled dollar signs and backslashes in program_transform_name; we want
1841 # the backslashes un-doubled, and then the entire thing wrapped in single
1842 # quotes, because this will be expanded first by make and then by the shell.
1843 # Also, because we want to override the logic in subdir configure scripts to
1844 # choose program_transform_name, replace any s,x,x, with s,y,y,.
1845 sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
1846 ${program_transform_name}
1847 EOF_SED
1848 gcc_transform_name=`cat conftestsed.out`
1849 rm -f conftestsed.out
1850 baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
1852 # For the build-side libraries, we just need to pretend we're native,
1853 # and not use the same cache file. Multilibs are neither needed nor
1854 # desired.
1855 build_configargs="--cache-file=../config.cache --build=${build_alias} --host=${build_alias} ${baseargs}"
1857 # For host modules, accept cache file option, or specification as blank.
1858 case "${cache_file}" in
1859 "") # empty
1860 cache_file_option="" ;;
1861 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
1862 cache_file_option="--cache-file=${cache_file}" ;;
1863 *) # relative path
1864 cache_file_option="--cache-file=../${cache_file}" ;;
1865 esac
1867 # Host dirs don't like to share a cache file either, horribly enough.
1868 # This seems to be due to autoconf 2.5x stupidity.
1869 host_configargs="--cache-file=./config.cache --build=${build_alias} --host=${host_alias} --target=${target_alias} ${extra_host_args} ${baseargs}"
1871 target_configargs=${baseargs}
1873 # Passing a --with-cross-host argument lets the target libraries know
1874 # whether they are being built with a cross-compiler or being built
1875 # native. However, it would be better to use other mechanisms to make the
1876 # sorts of decisions they want to make on this basis. Please consider
1877 # this option to be deprecated. FIXME.
1878 if test x${is_cross_compiler} = xyes ; then
1879 target_configargs="--with-cross-host=${host_alias} ${target_configargs}"
1880 fi
1882 # Default to --enable-multilib.
1883 if test x${enable_multilib} = x ; then
1884 target_configargs="--enable-multilib ${target_configargs}"
1885 fi
1887 # Pass --with-newlib if appropriate. Note that target_configdirs has
1888 # changed from the earlier setting of with_newlib.
1889 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
1890 target_configargs="--with-newlib ${target_configargs}"
1891 fi
1893 # Different target subdirs use different values of certain variables
1894 # (notably CXX). Worse, multilibs use *lots* of different values.
1895 # Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
1896 # it doesn't automatically accept command-line overrides of them.
1897 # This means it's not safe for target subdirs to share a cache file,
1898 # which is disgusting, but there you have it. Hopefully this can be
1899 # fixed in future. It's still worthwhile to use a cache file for each
1900 # directory. I think.
1902 # Pass the appropriate --host, --build, and --cache-file arguments.
1903 target_configargs="--cache-file=./config.cache --host=${target_alias} --build=${build_alias} ${target_configargs}"
1905 # provide a proper gxx_include_dir.
1906 # Note, if you change the default, make sure to fix both here and in
1907 # the gcc and libstdc++-v3 subdirectories.
1908 # Check whether --with-gxx-include-dir or --without-gxx-include-dir was given.
1909 case "${with_gxx_include_dir}" in
1910 yes)
1911 AC_MSG_ERROR([--with-gxx-include-dir=[[dir]] requires a directory])
1912 ;;
1913 no | "")
1914 case "${enable_version_specific_runtime_libs}" in
1915 yes) gxx_include_dir='${libsubdir}/include/c++' ;;
1916 *)
1917 . ${srcdir}/config.if
1918 gxx_include_dir='${prefix}/include/'${libstdcxx_incdir} ;;
1919 esac ;;
1920 *) gxx_include_dir=${with_gxx_include_dir} ;;
1921 esac
1923 FLAGS_FOR_TARGET=
1924 case " $target_configdirs " in
1925 *" newlib "*)
1926 case " $target_configargs " in
1927 *" --with-newlib "*)
1928 case "$target" in
1929 *-cygwin*)
1930 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 $$s/winsup/w32api/include' ;;
1931 esac
1933 # If we're not building GCC, don't discard standard headers.
1934 if test -d ${srcdir}/gcc; then
1935 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
1937 if test "${build}" != "${host}"; then
1938 # On Canadian crosses, CC_FOR_TARGET will have already been set
1939 # by `configure', so we won't have an opportunity to add -Bgcc/
1940 # to it. This is right: we don't want to search that directory
1941 # for binaries, but we want the header files in there, so add
1942 # them explicitly.
1943 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/gcc/include'
1945 # Someone might think of using the pre-installed headers on
1946 # Canadian crosses, in case the installed compiler is not fully
1947 # compatible with the compiler being built. In this case, it
1948 # would be better to flag an error than risking having
1949 # incompatible object files being constructed. We can't
1950 # guarantee that an error will be flagged, but let's hope the
1951 # compiler will do it, when presented with incompatible header
1952 # files.
1953 fi
1954 fi
1956 case "${target}-${is_cross_compiler}" in
1957 i[[3456789]]86-*-linux*-no)
1958 # Here host == target, so we don't need to build gcc,
1959 # so we don't want to discard standard headers.
1960 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
1961 ;;
1962 *)
1963 # If we're building newlib, use its generic headers last, but search
1964 # for any libc-related directories first (so make it the last -B
1965 # switch).
1966 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
1967 ;;
1968 esac
1969 ;;
1970 esac
1971 ;;
1972 esac
1974 # Allow the user to override the flags for
1975 # our build compiler if desired.
1976 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
1978 # On Canadian crosses, we'll be searching the right directories for
1979 # the previously-installed cross compiler, so don't bother to add
1980 # flags for directories within the install tree of the compiler
1981 # being built; programs in there won't even run.
1982 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
1983 # Search for pre-installed headers if nothing else fits.
1984 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
1985 fi
1987 if test "x${use_gnu_ld}" = x &&
1988 echo " ${configdirs} " | grep " ld " > /dev/null ; then
1989 # Arrange for us to find uninstalled linker scripts.
1990 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/ld'
1991 fi
1993 if test "x${CC_FOR_TARGET+set}" = xset; then
1994 :
1995 elif test -d ${srcdir}/gcc; then
1996 CC_FOR_TARGET='$$r/gcc/xgcc -B$$r/gcc/'
1997 elif test "$host" = "$target"; then
1998 CC_FOR_TARGET='$(CC)'
1999 else
2000 CC_FOR_TARGET=`echo gcc | sed "${program_transform_name}"`
2001 fi
2002 CC_FOR_TARGET=$CC_FOR_TARGET' $(FLAGS_FOR_TARGET)'
2004 if test "x${GCJ_FOR_TARGET+set}" = xset; then
2005 :
2006 elif test -d ${srcdir}/gcc; then
2007 GCJ_FOR_TARGET='$$r/gcc/gcj -B$$r/gcc/'
2008 elif test "$host" = "$target"; then
2009 GCJ_FOR_TARGET='gcj'
2010 else
2011 GCJ_FOR_TARGET=`echo gcj | sed "${program_transform_name}"`
2012 fi
2013 GCJ_FOR_TARGET=$GCJ_FOR_TARGET' $(FLAGS_FOR_TARGET)'
2015 if test "x${GFORTRAN_FOR_TARGET+set}" = xset; then
2016 :
2017 elif test -d ${srcdir}/gcc; then
2018 GFORTRAN_FOR_TARGET='$$r/gcc/gfortran -B$$r/gcc/'
2019 elif test "$host" = "$target"; then
2020 GFORTRAN_FOR_TARGET='gfortran'
2021 else
2022 GFORTRAN_FOR_TARGET=`echo gfortran | sed "${program_transform_name}"`
2023 fi
2024 case $GFORTRAN_FOR_TARGET in
2025 *' $(FLAGS_FOR_TARGET)') ;;
2026 *) GFORTRAN_FOR_TARGET=$GFORTRAN_FOR_TARGET' $(FLAGS_FOR_TARGET)' ;;
2027 esac
2029 # Don't use libstdc++-v3's flags to configure/build itself.
2030 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'
2031 raw_libstdcxx_flags='-L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs'
2033 if test "x${CXX_FOR_TARGET+set}" = xset; then
2034 if test "x${RAW_CXX_FOR_TARGET+set}" != xset; then
2035 RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
2036 fi
2037 elif test -d ${srcdir}/gcc; then
2038 # We add -shared-libgcc to CXX_FOR_TARGET whenever we use xgcc instead
2039 # of g++ for linking C++ or Java, because g++ has -shared-libgcc by
2040 # default whereas gcc does not.
2041 # RAW_CXX_FOR_TARGET is for linking C++ or java; CXX_FOR_TARGET is for
2042 # all other cases.
2043 CXX_FOR_TARGET='$$r/gcc/g++ -B$$r/gcc/ -nostdinc++ '$libstdcxx_flags
2044 RAW_CXX_FOR_TARGET='$$r/gcc/xgcc -shared-libgcc -B$$r/gcc/ -nostdinc++ '$raw_libstdcxx_flags
2045 elif test "$host" = "$target"; then
2046 CXX_FOR_TARGET='$(CXX)'
2047 RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
2048 else
2049 CXX_FOR_TARGET=`echo c++ | sed "${program_transform_name}"`
2050 RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
2051 fi
2052 CXX_FOR_TARGET=$CXX_FOR_TARGET' $(FLAGS_FOR_TARGET)'
2053 RAW_CXX_FOR_TARGET=$RAW_CXX_FOR_TARGET' $(FLAGS_FOR_TARGET)'
2055 qCXX_FOR_TARGET=`echo "$CXX_FOR_TARGET" | sed 's,[[&%]],\\\&,g'`
2056 qRAW_CXX_FOR_TARGET=`echo "$RAW_CXX_FOR_TARGET" | sed 's,[[&%]],\\\&,g'`
2058 # We want to defer the evaluation of `cmd`s and shell variables in
2059 # CXX_FOR_TARGET when recursing in the top-level Makefile, such as for
2060 # bootstrap. We'll enclose CXX_FOR_TARGET_FOR_RECURSIVE_MAKE in single
2061 # quotes, but we still have to duplicate `$'s so that shell variables
2062 # can be expanded by the nested make as shell variables, not as make
2063 # macros.
2064 qqCXX_FOR_TARGET=`echo "$qCXX_FOR_TARGET" | sed -e 's,[[$]][[$]],$$$$,g'`
2065 qqRAW_CXX_FOR_TARGET=`echo "$qRAW_CXX_FOR_TARGET" | sed -e 's,[[$]][[$]],$$$$,g'`
2067 # Wrap CC_FOR_TARGET and friends, for certain types of builds.
2068 CC_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${CC_FOR_TARGET}"
2069 GCJ_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${GCJ_FOR_TARGET}"
2070 GFORTRAN_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${GFORTRAN_FOR_TARGET}"
2071 CXX_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${qCXX_FOR_TARGET}"
2072 RAW_CXX_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${qRAW_CXX_FOR_TARGET}"
2073 CXX_FOR_TARGET_FOR_RECURSIVE_MAKE="\$(STAGE_CC_WRAPPER) ${qqCXX_FOR_TARGET}"
2074 RAW_CXX_FOR_TARGET_FOR_RECURSIVE_MAKE="\$(STAGE_CC_WRAPPER) ${qqRAW_CXX_FOR_TARGET}"
2076 # Makefile fragments.
2077 for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
2078 do
2079 eval fragval=\$$frag
2080 if test $fragval != /dev/null; then
2081 eval $frag=${srcdir}/$fragval
2082 fi
2083 done
2084 AC_SUBST_FILE(host_makefile_frag)
2085 AC_SUBST_FILE(target_makefile_frag)
2086 AC_SUBST_FILE(alphaieee_frag)
2087 AC_SUBST_FILE(ospace_frag)
2089 # Miscellanea: directories, flags, etc.
2090 AC_SUBST(SET_LIB_PATH)
2091 AC_SUBST(RPATH_ENVVAR)
2092 AC_SUBST(BUILD_DIR_PREFIX)
2093 AC_SUBST(BUILD_PREFIX)
2094 AC_SUBST(BUILD_PREFIX_1)
2095 AC_SUBST(gcc_version_trigger)
2096 AC_SUBST(gcc_version)
2097 AC_SUBST(tooldir)
2098 AC_SUBST(build_tooldir)
2099 AC_SUBST(GDB_TK)
2100 AC_SUBST(gxx_include_dir)
2101 AC_SUBST(libstdcxx_incdir)
2103 # Build module lists & subconfigure args.
2104 AC_SUBST(build_configargs)
2105 AC_SUBST(build_configdirs)
2107 # Host module lists & subconfigure args.
2108 AC_SUBST(host_configargs)
2109 AC_SUBST(configdirs)
2111 # Target module lists & subconfigure args.
2112 AC_SUBST(target_configargs)
2113 AC_SUBST(target_configdirs)
2115 # Build tools.
2116 AC_SUBST(CC_FOR_BUILD)
2117 AC_SUBST(config_shell)
2119 # Host tools.
2120 NCN_STRICT_CHECK_TOOL(AR, ar)
2121 NCN_STRICT_CHECK_TOOL(AS, as)
2122 NCN_STRICT_CHECK_TOOL(DLLTOOL, dlltool)
2123 NCN_STRICT_CHECK_TOOL(LD, ld)
2124 NCN_STRICT_CHECK_TOOL(NM, nm)
2125 NCN_STRICT_CHECK_TOOL(RANLIB, ranlib, :)
2126 NCN_STRICT_CHECK_TOOL(WINDRES, windres)
2127 NCN_STRICT_CHECK_TOOL(OBJCOPY, objcopy)
2128 NCN_STRICT_CHECK_TOOL(OBJDUMP, objdump)
2129 AC_SUBST(CC)
2130 AC_SUBST(CXX)
2131 AC_SUBST(CFLAGS)
2132 AC_SUBST(CFLAGS_FOR_BUILD)
2133 AC_SUBST(CXXFLAGS)
2135 # Target tools.
2136 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_AR_FOR_TARGET, ar)
2137 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_AS_FOR_TARGET, as)
2138 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_DLLTOOL_FOR_TARGET, dlltool)
2139 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_LD_FOR_TARGET, ld)
2140 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_NM_FOR_TARGET, nm)
2141 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_RANLIB_FOR_TARGET, ranlib, :)
2142 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_WINDRES_FOR_TARGET, windres)
2144 AC_SUBST(GCC_FOR_TARGET)
2145 AC_SUBST(FLAGS_FOR_TARGET)
2146 AC_SUBST(CC_FOR_TARGET)
2147 AC_SUBST(GCJ_FOR_TARGET)
2148 AC_SUBST(GFORTRAN_FOR_TARGET)
2149 AC_SUBST(CXX_FOR_TARGET)
2150 AC_SUBST(RAW_CXX_FOR_TARGET)
2151 AC_SUBST(CXX_FOR_TARGET_FOR_RECURSIVE_MAKE)
2152 AC_SUBST(RAW_CXX_FOR_TARGET_FOR_RECURSIVE_MAKE)
2154 # Fix up target tools.
2155 if test "x${build}" = "x${host}" ; then
2156 # In this case, the newly built tools can and should be used,
2157 # so we override the results of the autoconf tests.
2158 # This should really only happen when the tools are actually being built,
2159 # but that's a further refinement. The new build scheme, where
2160 # tools are built into a structure paralleling where they're installed,
2161 # should also eliminate all of this cleanly.
2162 AR_FOR_TARGET="\$(USUAL_AR_FOR_TARGET)"
2163 AS_FOR_TARGET="\$(USUAL_AS_FOR_TARGET)"
2164 DLLTOOL_FOR_TARGET="\$(USUAL_DLLTOOL_FOR_TARGET)"
2165 LD_FOR_TARGET="\$(USUAL_LD_FOR_TARGET)"
2166 NM_FOR_TARGET="\$(USUAL_NM_FOR_TARGET)"
2167 RANLIB_FOR_TARGET="\$(USUAL_RANLIB_FOR_TARGET)"
2168 WINDRES_FOR_TARGET="\$(USUAL_WINDRES_FOR_TARGET)"
2169 else
2170 # Just use the ones we found.
2171 AR_FOR_TARGET="\$(CONFIGURED_AR_FOR_TARGET)"
2172 AS_FOR_TARGET="\$(CONFIGURED_AS_FOR_TARGET)"
2173 DLLTOOL_FOR_TARGET="\$(CONFIGURED_DLLTOOL_FOR_TARGET)"
2174 LD_FOR_TARGET="\$(CONFIGURED_LD_FOR_TARGET)"
2175 NM_FOR_TARGET="\$(CONFIGURED_NM_FOR_TARGET)"
2176 RANLIB_FOR_TARGET="\$(CONFIGURED_RANLIB_FOR_TARGET)"
2177 WINDRES_FOR_TARGET="\$(CONFIGURED_WINDRES_FOR_TARGET)"
2178 fi
2179 AC_SUBST(AR_FOR_TARGET)
2180 AC_SUBST(AS_FOR_TARGET)
2181 AC_SUBST(DLLTOOL_FOR_TARGET)
2182 AC_SUBST(LD_FOR_TARGET)
2183 AC_SUBST(NM_FOR_TARGET)
2184 AC_SUBST(RANLIB_FOR_TARGET)
2185 AC_SUBST(WINDRES_FOR_TARGET)
2187 # Certain tools may need extra flags.
2188 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
2189 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
2190 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
2192 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
2193 AC_ARG_ENABLE(maintainer-mode,
2194 [ --enable-maintainer-mode enable make rules and dependencies not useful
2195 (and sometimes confusing) to the casual installer],
2196 USE_MAINTAINER_MODE=$enableval,
2197 USE_MAINTAINER_MODE=no)
2198 AC_MSG_RESULT($USE_MAINTAINER_MODE)
2199 AC_SUBST(MAINTAINER_MODE_TRUE)
2200 AC_SUBST(MAINTAINER_MODE_FALSE)
2201 if test "$USE_MAINTAINER_MODE" = yes; then
2202 MAINTAINER_MODE_TRUE=
2203 MAINTAINER_MODE_FALSE='#'
2204 else
2205 MAINTAINER_MODE_TRUE='#'
2206 MAINTAINER_MODE_FALSE=
2207 fi
2208 MAINT=$MAINTAINER_MODE_TRUE
2209 AC_SUBST(MAINT)dnl
2211 # ---------------------
2212 # GCC bootstrap support
2213 # ---------------------
2215 # Stage specific cflags for build.
2216 stage1_cflags="-g"
2217 case $build in
2218 vax-*-*)
2219 case ${GCC} in
2220 yes) stage1_cflags="-g -Wa,-J" ;;
2221 *) stage1_cflags="-g -J" ;;
2222 esac ;;
2223 powerpc-*-darwin*)
2224 # The spiffy cpp-precomp chokes on some legitimate constructs in GCC
2225 # sources; use -no-cpp-precomp to get to GNU cpp.
2226 # Apple's GCC has bugs in designated initializer handling, so disable
2227 # that too.
2228 stage1_cflags="-g -no-cpp-precomp -DHAVE_DESIGNATED_INITIALIZERS=0"
2229 ;;
2230 esac
2231 AC_SUBST(stage1_cflags)
2233 # It makes debugging easier if we create as symlinks the stage directories
2234 # gcc for stageN-gcc and stage-prev for stage(N-1). In case this is not
2235 # possible, however, we can resort to mv.
2236 AC_CACHE_CHECK([if symbolic links between directories work],
2237 [gcc_cv_prog_ln_s_dir],
2238 [if test "${LN_S}" = "ln -s" \
2239 && mkdir confdir.s1 \
2240 && ln -s confdir.s1 confdir.s2 \
2241 && echo timestamp1 > confdir.s1/conftest.1 \
2242 && cmp confdir.s1/conftest.1 confdir.s2/conftest.1 \
2243 && echo timestamp2 > confdir.s2/conftest.2 \
2244 && cmp confdir.s1/conftest.2 confdir.s1/conftest.2 \
2245 && rm -f confdir.s2; then
2246 gcc_cv_prog_ln_s_dir=yes
2247 else
2248 gcc_cv_prog_ln_s_dir=yes
2249 fi
2250 rm -rf confdir.s1 confdir.s2])
2252 case ${gcc_cv_prog_ln_s_dir} in
2253 yes)
2254 CREATE_LINK_TO_DIR='ln -s $$1 $$2'
2255 UNDO_LINK_TO_DIR='rm -f $$1' ;;
2256 *)
2257 CREATE_LINK_TO_DIR='mv $$1 $$2'
2258 UNDO_LINK_TO_DIR='mv $$1 $$2' ;;
2259 esac
2260 AC_SUBST(CREATE_LINK_TO_DIR)
2261 AC_SUBST(UNDO_LINK_TO_DIR)
2263 # Enable -Werror in bootstrap stage2 and later.
2264 # Change the default to "no" on release branches.
2265 AC_ARG_ENABLE(werror,
2266 [ --enable-werror enable -Werror in bootstrap stage2 and later], [],
2267 [enable_werror=yes])
2268 case ${enable_werror} in
2269 yes) stage2_werror_flag="--enable-werror-always" ;;
2270 *) stage2_werror_flag="" ;;
2271 esac
2272 AC_SUBST(stage2_werror_flag)
2274 AC_OUTPUT(Makefile)