| blob | 87ab222891f4717bdc44b5799fc165578c0bd1c8 |
1 # Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998,
2 # 1999, 2000, 2001, 2002, 2003 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 AC_INIT(move-if-change)
22 AC_PREREQ(2.13)
23 AC_CANONICAL_SYSTEM
24 AC_ARG_PROGRAM
26 sinclude(config/acx.m4)
28 ### we might need to use some other shell than /bin/sh for running subshells
29 ### If we are on Windows, search for the shell. This will permit people
30 ### to not have /bin/sh, but to be able to see /SOME/PATH/sh configure
31 ### without also having to set CONFIG_SHELL. This code will work when
32 ### using bash, which sets OSTYPE.
33 case "${OSTYPE}" in
34 *win32*)
35 if test x${CONFIG_SHELL} = x ; then
36 if test ! -f /bin/sh ; then
37 if test x${SHELL} != x && test -f ${SHELL} ; then
38 CONFIG_SHELL=${SHELL}
39 export CONFIG_SHELL
40 else
41 for prog in sh sh.exe bash bash.exe; do
42 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
43 for dir in $PATH; do
44 test -z "$dir" && dir=.
45 if test -f $dir/$prog; then
46 CONFIG_SHELL=$dir/$prog
47 export CONFIG_SHELL
48 break
49 fi
50 done
51 IFS="$save_ifs"
52 test -n "${CONFIG_SHELL}" && break
53 done
54 fi
55 fi
56 fi
57 ;;
58 esac
60 config_shell=${CONFIG_SHELL-/bin/sh}
62 progname=$0
63 # if PWD already has a value, it is probably wrong.
64 if test -n "$PWD" ; then PWD=`${PWDCMD-pwd}`; fi
66 # Export original configure arguments for use by sub-configures.
67 TOPLEVEL_CONFIGURE_ARGUMENTS="$progname $@"
68 AC_SUBST(TOPLEVEL_CONFIGURE_ARGUMENTS)
70 moveifchange=${srcdir}/move-if-change
72 # Set srcdir to "." if that's what it is.
73 # This is important for multilib support.
74 pwd=`${PWDCMD-pwd}`
75 srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}`
76 if test "${pwd}" = "${srcpwd}" ; then
77 srcdir=.
78 fi
80 topsrcdir=$srcpwd
82 extra_host_args=
83 # Define the trigger file to make sure configure will re-run whenever
84 # the gcc version number changes.
85 if test "${with_gcc_version_trigger+set}" = set ; then
86 gcc_version_trigger="$with_gcc_version_trigger"
87 gcc_version=`grep version_string ${with_gcc_version_trigger} | sed -e 's/.*\"\([[^ \"]]*\)[[ \"]].*/\1/'`
88 else
89 # If gcc's sources are available, define the trigger file.
90 if test -f ${topsrcdir}/gcc/version.c ; then
91 gcc_version_trigger=${topsrcdir}/gcc/version.c
92 gcc_version=`grep version_string ${gcc_version_trigger} | sed -e 's/.*\"\([[^ \"]]*\)[[ \"]].*/\1/'`
93 case "$ac_configure_args" in
94 *--with-gcc-version-trigger=$gcc_version_trigger* )
95 ;;
96 * )
97 # Add to all subconfigure arguments: build, host, and target.
98 ac_configure_args="$ac_configure_args --with-gcc-version-trigger=$gcc_version_trigger"
99 ;;
100 esac
101 fi
102 fi
104 ### To add a new directory to the tree, first choose whether it is a target
105 ### or a host dependent tool. Then put it into the appropriate list
106 ### (library or tools, host or target), doing a dependency sort.
108 # Subdirs will be configured in the order listed in build_configdirs,
109 # configdirs, or target_configdirs; see the serialization section below.
111 # Dependency sorting is only needed when *configuration* must be done in
112 # a particular order. In all cases a dependency should be specified in
113 # the Makefile, whether or not it's implicitly specified here.
115 # Double entries in build_configdirs, configdirs, or target_configdirs may
116 # cause circular dependencies and break everything horribly.
118 # these libraries are used by various programs built for the host environment
119 #
120 host_libs="intl mmalloc libiberty opcodes bfd readline tcl tk itcl tix libgui zlib"
122 # these tools are built for the host environment
123 # Note, the powerpc-eabi build depends on sim occurring before gdb in order to
124 # know that we are building the simulator.
125 # binutils, gas and ld appear in that order because it makes sense to run
126 # "make check" in that particular order.
127 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"
129 # libgcj represents the runtime libraries only used by gcj.
130 libgcj="target-libffi \
131 target-boehm-gc \
132 target-zlib \
133 target-qthreads \
134 target-libjava"
136 # these libraries are built for the target environment, and are built after
137 # the host libraries and the host tools (which may be a cross compiler)
138 #
139 target_libs="target-libiberty \
140 target-libgloss \
141 target-newlib \
142 target-libstdc++-v3 \
143 target-libf2c \
144 ${libgcj} \
145 target-libobjc"
147 # these tools are built using the target libs, and are intended to run only
148 # in the target environment
149 #
150 # note: any program that *uses* libraries that are in the "target_libs"
151 # list belongs in this list. those programs are also very likely
152 # candidates for the "native_only" list which follows
153 #
154 target_tools="target-examples target-groff target-gperf target-rda"
156 ################################################################################
158 ## All tools belong in one of the four categories, and are assigned above
159 ## We assign ${configdirs} this way to remove all embedded newlines. This
160 ## is important because configure will choke if they ever get through.
161 ## ${configdirs} is directories we build using the host tools.
162 ## ${target_configdirs} is directories we build using the target tools.
163 #
164 configdirs=`echo ${host_libs} ${host_tools}`
165 target_configdirs=`echo ${target_libs} ${target_tools}`
167 # Only make build modules if build != host.
168 # This should be done more generally, but at the moment it doesn't matter.
169 if test ${host_alias} != ${build_alias} ; then
170 # This is the only build module.
171 build_modules=libiberty
172 else
173 build_modules=
174 fi
177 ################################################################################
179 srcname="gnu development package"
181 # This gets set non-empty for some net releases of packages.
182 appdirs=""
184 # Define is_cross_compiler to save on calls to 'test'.
185 is_cross_compiler=
186 if test x"${host}" = x"${target}" ; then
187 is_cross_compiler=no
188 else
189 is_cross_compiler=yes
190 fi
192 # Find the build and target subdirs.
193 GCC_TOPLEV_SUBDIRS
195 if test ! -d ${target_subdir} ; then
196 if mkdir ${target_subdir} ; then true
197 else
198 echo "'*** could not make ${PWD=`${PWDCMD-pwd}`}/${target_subdir}" 1>&2
199 exit 1
200 fi
201 fi
203 if test x"${build_alias}" != x"${host}" ; then
204 if test ! -d ${build_subdir} ; then
205 if mkdir ${build_subdir} ; then true
206 else
207 echo "'*** could not make ${PWD=`${PWDCMD-pwd}`}/${build_subdir}" 1>&2
208 exit 1
209 fi
210 fi
211 fi
213 # Skipdirs are removed silently.
214 skipdirs=
215 # Noconfigdirs are removed loudly.
216 noconfigdirs=""
218 use_gnu_ld=
219 # Make sure we don't let GNU ld be added if we didn't want it.
220 if test x$with_gnu_ld = xno ; then
221 use_gnu_ld=no
222 noconfigdirs="$noconfigdirs ld"
223 fi
225 use_gnu_as=
226 # Make sure we don't let GNU as be added if we didn't want it.
227 if test x$with_gnu_as = xno ; then
228 use_gnu_as=no
229 noconfigdirs="$noconfigdirs gas"
230 fi
232 # some tools are so dependent upon X11 that if we're not building with X,
233 # it's not even worth trying to configure, much less build, that tool.
235 case ${with_x} in
236 yes | "") ;; # the default value for this tree is that X11 is available
237 no)
238 skipdirs="${skipdirs} tk tix itcl libgui"
239 # We won't be able to build gdbtk without X.
240 enable_gdbtk=no
241 ;;
242 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
243 esac
245 # Some tools are only suitable for building in a "native" situation.
246 # Remove these if host!=target.
247 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"
249 # Similarly, some are only suitable for cross toolchains.
250 # Remove these if host=target.
251 cross_only="target-libgloss target-newlib target-opcodes"
253 case $is_cross_compiler in
254 no) skipdirs="${skipdirs} ${cross_only}" ;;
255 yes) skipdirs="${skipdirs} ${native_only}" ;;
256 esac
258 # If both --with-headers and --with-libs are specified, default to
259 # --without-newlib.
260 if test x"${with_headers}" != x && test x"${with_libs}" != x ; then
261 if test x"${with_newlib}" = x ; then
262 with_newlib=no
263 fi
264 fi
266 # Recognize --with-newlib/--without-newlib.
267 case ${with_newlib} in
268 no) skipdirs="${skipdirs} target-newlib" ;;
269 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
270 esac
272 # Configure extra directories which are host specific
274 case "${host}" in
275 *-cygwin*)
276 configdirs="$configdirs libtermcap" ;;
277 esac
279 # Remove more programs from consideration, based on the host or
280 # target this usually means that a port of the program doesn't
281 # exist yet.
283 case "${host}" in
284 hppa*64*-*-*)
285 noconfigdirs="$noconfigdirs byacc"
286 ;;
287 i[[3456789]]86-*-vsta)
288 noconfigdirs="tcl expect dejagnu make texinfo bison patch flex byacc send-pr gprof uudecode dejagnu diff guile perl itcl tix gnuserv gettext"
289 ;;
290 i[[3456789]]86-*-go32* | i[[3456789]]86-*-msdosdjgpp*)
291 noconfigdirs="tcl tk expect dejagnu send-pr uudecode guile itcl tix gnuserv libffi"
292 ;;
293 i[[3456789]]86-*-mingw32*)
294 # noconfigdirs="tcl tk expect dejagnu make texinfo bison patch flex byacc send-pr uudecode dejagnu diff guile perl itcl tix gnuserv"
295 noconfigdirs="expect dejagnu autoconf automake send-pr rcs guile perl texinfo libtool"
296 ;;
297 i[[3456789]]86-*-beos*)
298 noconfigdirs="$noconfigdirs tk itcl tix libgui gdb"
299 ;;
300 *-*-cygwin*)
301 noconfigdirs="autoconf automake send-pr rcs guile perl"
302 ;;
303 *-*-netbsd*)
304 noconfigdirs="rcs"
305 ;;
306 ppc*-*-pe)
307 noconfigdirs="patch diff make tk tcl expect dejagnu autoconf automake texinfo bison send-pr gprof rcs guile perl itcl tix gnuserv"
308 ;;
309 powerpc-*-beos*)
310 noconfigdirs="$noconfigdirs tk itcl tix libgui gdb dejagnu readline"
311 ;;
312 *-*-darwin*)
313 noconfigdirs="$noconfigdirs tk itcl tix libgui"
314 ;;
315 esac
317 # Save it here so that, even in case of --enable-libgcj, if the Java
318 # front-end isn't enabled, we still get libgcj disabled.
319 libgcj_saved=$libgcj
320 case $enable_libgcj in
321 yes)
322 # If we reset it here, it won't get added to noconfigdirs in the
323 # target-specific build rules, so it will be forcibly enabled
324 # (unless the Java language itself isn't enabled).
325 libgcj=
326 ;;
327 no)
328 # Make sure we get it printed in the list of not supported target libs.
329 noconfigdirs="$noconfigdirs ${libgcj}"
330 ;;
331 esac
333 case "${target}" in
334 *-*-chorusos)
335 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
336 ;;
337 *-*-darwin*)
338 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes gdb gprof"
339 noconfigdirs="$noconfigdirs target-libobjc ${libgcj}"
340 ;;
341 *-*-freebsd[[12]] | *-*-freebsd[[12]].* | *-*-freebsd*aout*)
342 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
343 ;;
344 *-*-kaos*)
345 # Remove unsupported stuff on all kaOS configurations.
346 skipdirs="target-libiberty ${libgcj} target-libstdc++-v3 target-libf2c target-librx"
347 skipdirs="$skipdirs target-libobjc target-examples target-groff target-gperf"
348 skipdirs="$skipdirs zlib fastjar target-libjava target-boehm-gc target-zlib"
349 noconfigdirs="$noconfigdirs target-libgloss"
350 ;;
351 *-*-netbsd*)
352 # Skip some stuff on all NetBSD configurations.
353 noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss"
355 # Skip some stuff that's unsupported on some NetBSD configurations.
356 case "${target}" in
357 i*86-*-netbsdelf*) ;;
358 arm*-*-netbsdelf*) ;;
359 *)
360 noconfigdirs="$noconfigdirs ${libgcj}"
361 ;;
362 esac
363 ;;
364 *-*-netware)
365 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-newlib target-libiberty target-libgloss ${libgcj}"
366 ;;
367 *-*-rtems*)
368 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
369 case ${target} in
370 h8300*-*-* | h8500-*-*)
371 noconfigdirs="$noconfigdirs target-libf2c"
372 ;;
373 *) ;;
374 esac
375 ;;
376 *-*-vxworks*)
377 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
378 ;;
379 alpha*-dec-osf*)
380 # ld works, but does not support shared libraries.
381 # newlib is not 64 bit ready. I'm not sure about fileutils.
382 # gas doesn't generate exception information.
383 noconfigdirs="$noconfigdirs gas ld fileutils target-newlib target-libgloss"
384 ;;
385 alpha*-*-*vms*)
386 noconfigdirs="$noconfigdirs gdb ld target-newlib target-libgloss ${libgcj}"
387 ;;
388 alpha*-*-linux*)
389 # newlib is not 64 bit ready
390 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
391 ;;
392 alpha*-*-freebsd*)
393 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
394 ;;
395 alpha*-*-*)
396 # newlib is not 64 bit ready
397 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
398 ;;
399 sh-*-linux*)
400 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
401 ;;
402 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
403 noconfigdirs="$noconfigdirs ${libgcj}"
404 noconfigdirs="$noconfigdirs target-examples"
405 noconfigdirs="$noconfigdirs target-libiberty texinfo send-pr"
406 noconfigdirs="$noconfigdirs tcl tix tk itcl libgui sim"
407 noconfigdirs="$noconfigdirs expect dejagnu"
408 # the C++ libraries don't build on top of CE's C libraries
409 noconfigdirs="$noconfigdirs target-libstdc++-v3"
410 noconfigdirs="$noconfigdirs target-newlib"
411 case "${host}" in
412 *-*-cygwin*) ;; # keep gdb and readline
413 *) noconfigdirs="$noconfigdirs gdb readline"
414 ;;
415 esac
416 ;;
417 arc-*-*)
418 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
419 ;;
420 arm-*-coff | strongarm-*-coff | xscale-*-coff)
421 noconfigdirs="$noconfigdirs ${libgcj}"
422 ;;
423 arm-*-elf* | strongarm-*-elf* | xscale-*-elf*)
424 noconfigdirs="$noconfigdirs target-libffi target-qthreads"
425 ;;
426 arm-*-pe*)
427 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
428 ;;
429 arm-*-oabi*)
430 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
431 ;;
432 thumb-*-coff)
433 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
434 ;;
435 thumb-*-elf)
436 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
437 ;;
438 thumb-*-oabi)
439 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
440 ;;
441 thumb-*-pe)
442 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
443 ;;
444 arm-*-riscix*)
445 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
446 ;;
447 avr-*-*)
448 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
449 ;;
450 c4x-*-* | tic4x-*-*)
451 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
452 ;;
453 c54x*-*-* | tic54x-*-*)
454 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj} gcc gdb newlib"
455 ;;
456 cris-*-*)
457 noconfigdirs="$noconfigdirs ${libgcj}"
458 ;;
459 d10v-*-*)
460 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
461 ;;
462 d30v-*-*)
463 noconfigdirs="$noconfigdirs ${libgcj}"
464 ;;
465 fr30-*-elf*)
466 noconfigdirs="$noconfigdirs ${libgcj}"
467 ;;
468 frv-*-*)
469 noconfigdirs="$noconfigdirs ${libgcj}"
470 ;;
471 h8300*-*-*)
472 noconfigdirs="$noconfigdirs target-libgloss"
473 ;;
474 h8500-*-*)
475 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj} target-libf2c"
476 ;;
477 hppa*64*-*-linux* | parisc*64*-*-linux*)
478 # In this case, it's because the hppa64-linux target is for
479 # the kernel only at this point and has no libc, and thus no
480 # headers, crt*.o, etc., all of which are needed by these.
481 noconfigdirs="$noconfigdirs target-zlib"
482 ;;
483 hppa*-*-*elf* | \
484 parisc*-*-linux* | hppa*-*-linux* | \
485 hppa*-*-lites* | \
486 hppa*-*-openbsd* | \
487 hppa*64*-*-*)
488 noconfigdirs="$noconfigdirs ${libgcj}"
489 # Do configure ld/binutils/gas for this case.
490 ;;
491 hppa*-*-*)
492 # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
493 # build on HP-UX 10.20.
494 noconfigdirs="$noconfigdirs ld shellutils ${libgcj}"
495 ;;
496 ia64*-*-elf*)
497 # No gdb support yet.
498 noconfigdirs="$noconfigdirs tix readline mmalloc libgui itcl gdb"
499 ;;
500 ia64*-**-hpux*)
501 # No gdb or ld support yet.
502 noconfigdirs="$noconfigdirs tix readline mmalloc libgui itcl gdb ld"
503 ;;
504 i[[3456789]]86-*-coff | i[[3456789]]86-*-elf)
505 noconfigdirs="$noconfigdirs ${libgcj}"
506 ;;
507 i[[3456789]]86-*-freebsd*)
508 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
509 ;;
510 i[[3456789]]86-*-linux*)
511 # The GCC port for glibc1 has no MD_FALLBACK_FRAME_STATE_FOR, so let's
512 # not build java stuff by default.
513 case "${target}" in
514 *-*-*libc1*)
515 noconfigdirs="$noconfigdirs ${libgcj}";;
516 esac
518 # This section makes it possible to build newlib natively on linux.
519 # If we are using a cross compiler then don't configure newlib.
520 if test x${is_cross_compiler} != xno ; then
521 noconfigdirs="$noconfigdirs target-newlib"
522 fi
523 noconfigdirs="$noconfigdirs target-libgloss"
524 # If we are not using a cross compiler, do configure newlib.
525 # Note however, that newlib will only be configured in this situation
526 # if the --with-newlib option has been given, because otherwise
527 # 'target-newlib' will appear in skipdirs.
528 ;;
529 i[[3456789]]86-*-mingw32*)
530 target_configdirs="$target_configdirs target-mingw"
531 noconfigdirs="$noconfigdirs expect target-libgloss ${libgcj}"
533 # Can't build gdb for mingw32 if not native.
534 case "${host}" in
535 i[[3456789]]86-*-mingw32) ;; # keep gdb tcl tk expect etc.
536 *) noconfigdirs="$noconfigdirs gdb tcl tk expect itcl tix gnuserv"
537 ;;
538 esac
539 ;;
540 *-*-cygwin*)
541 target_configdirs="$target_configdirs target-libtermcap target-winsup"
542 noconfigdirs="$noconfigdirs target-gperf target-libgloss ${libgcj}"
543 # always build newlib.
544 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
546 # Can't build gdb for Cygwin if not native.
547 case "${host}" in
548 *-*-cygwin*) ;; # keep gdb tcl tk expect etc.
549 *) noconfigdirs="$noconfigdirs gdb tcl tk expect itcl tix libgui gnuserv"
550 ;;
551 esac
552 ;;
553 i[[3456789]]86-*-pe)
554 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
555 ;;
556 i[[3456789]]86-*-sco3.2v5*)
557 # The linker does not yet know about weak symbols in COFF,
558 # and is not configured to handle mixed ELF and COFF.
559 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
560 ;;
561 i[[3456789]]86-*-sco*)
562 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
563 ;;
564 i[[3456789]]86-*-solaris2*)
565 noconfigdirs="$noconfigdirs target-libgloss"
566 ;;
567 i[[3456789]]86-*-sysv4*)
568 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
569 ;;
570 i[[3456789]]86-*-beos*)
571 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
572 ;;
573 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
574 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
575 ;;
576 m68k-*-elf*)
577 noconfigdirs="$noconfigdirs ${libgcj}"
578 ;;
579 m68k-*-coff*)
580 noconfigdirs="$noconfigdirs ${libgcj}"
581 ;;
582 mcore-*-pe*)
583 # The EPOC C++ environment does not support exceptions or rtti,
584 # and so building libstdc++-v3 tends not to always work.
585 noconfigdirs="$noconfigdirs target-libstdc++-v3"
586 ;;
587 mmix-*-*)
588 noconfigdirs="$noconfigdirs ${libgcj} gdb libgloss"
589 ;;
590 mn10200-*-*)
591 noconfigdirs="$noconfigdirs ${libgcj}"
592 ;;
593 mn10300-*-*)
594 noconfigdirs="$noconfigdirs ${libgcj}"
595 ;;
596 powerpc-*-aix*)
597 # copied from rs6000-*-* entry
598 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
599 ;;
600 powerpc*-*-winnt* | powerpc*-*-pe* | ppc*-*-pe)
601 target_configdirs="$target_configdirs target-winsup"
602 noconfigdirs="$noconfigdirs gdb tcl tk make expect target-libgloss itcl tix gnuserv ${libgcj}"
603 # always build newlib.
604 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
605 ;;
606 # This is temporary until we can link against shared libraries
607 powerpcle-*-solaris*)
608 noconfigdirs="$noconfigdirs gdb sim make tcl tk expect itcl tix gnuserv ${libgcj}"
609 ;;
610 powerpc-*-beos*)
611 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
612 ;;
613 powerpc-*-eabi)
614 noconfigdirs="$noconfigdirs ${libgcj}"
615 ;;
616 rs6000-*-lynxos*)
617 noconfigdirs="$noconfigdirs target-newlib gprof ${libgcj}"
618 ;;
619 rs6000-*-aix*)
620 noconfigdirs="$noconfigdirs gprof ${libgcj}"
621 ;;
622 rs6000-*-*)
623 noconfigdirs="$noconfigdirs gprof ${libgcj}"
624 ;;
625 m68k-apollo-*)
626 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss ${libgcj}"
627 ;;
628 mips*-*-irix5*)
629 # The GNU linker does not support shared libraries.
630 noconfigdirs="$noconfigdirs ld gprof target-libgloss ${libgcj}"
631 ;;
632 mips*-*-irix6*)
633 # Linking libjava exceeds command-line length limits on at least
634 # IRIX 6.2, but not on IRIX 6.5.
635 # Also, boehm-gc won't build on IRIX 6.5, according to Jeffrey Oldham
636 # <oldham@codesourcery.com>
637 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
638 ;;
639 mips*-dec-bsd*)
640 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
641 ;;
642 mips*-*-bsd*)
643 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
644 ;;
645 mipstx39-*-*)
646 noconfigdirs="$noconfigdirs gprof ${libgcj}" # same as generic mips
647 ;;
648 mips*-*-linux*)
649 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
650 ;;
651 mips*-*-*)
652 noconfigdirs="$noconfigdirs gprof ${libgcj}"
653 ;;
654 romp-*-*)
655 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes target-libgloss ${libgcj}"
656 ;;
657 sh-*-*)
658 case "${host}" in
659 i[[3456789]]86-*-vsta) ;; # don't add gprof back in
660 i[[3456789]]86-*-go32*) ;; # don't add gprof back in
661 i[[3456789]]86-*-msdosdjgpp*) ;; # don't add gprof back in
662 *) skipdirs=`echo " ${skipdirs} " | sed -e 's/ gprof / /'` ;;
663 esac
664 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
665 ;;
666 sh64-*-*)
667 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
668 ;;
669 sparc-*-elf*)
670 noconfigdirs="$noconfigdirs ${libgcj}"
671 ;;
672 sparc64-*-elf*)
673 noconfigdirs="$noconfigdirs ${libgcj}"
674 ;;
675 sparclite-*-*)
676 noconfigdirs="$noconfigdirs ${libgcj}"
677 ;;
678 sparc-*-sunos4*)
679 noconfigdirs="$noconfigdirs ${libgcj}"
680 if test x${is_cross_compiler} != xno ; then
681 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
682 else
683 use_gnu_ld=no
684 fi
685 ;;
686 sparc-*-solaris* | sparc64-*-solaris* | sparcv9-*-solaris*)
687 ;;
688 v810-*-*)
689 noconfigdirs="$noconfigdirs bfd binutils gas gcc gdb ld target-libstdc++-v3 opcodes target-libgloss ${libgcj}"
690 ;;
691 v850-*-*)
692 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
693 ;;
694 v850e-*-*)
695 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
696 ;;
697 v850ea-*-*)
698 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
699 ;;
700 vax-*-vms)
701 noconfigdirs="$noconfigdirs bfd binutils gdb ld target-newlib opcodes target-libgloss ${libgcj}"
702 ;;
703 vax-*-*)
704 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
705 ;;
706 ip2k-*-*)
707 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
708 ;;
709 *-*-linux*)
710 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
711 ;;
712 *-*-lynxos*)
713 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
714 ;;
715 *-*-*)
716 noconfigdirs="$noconfigdirs ${libgcj}"
717 ;;
718 esac
720 # If we aren't building newlib, then don't build libgloss, since libgloss
721 # depends upon some newlib header files.
722 case "${noconfigdirs}" in
723 *target-libgloss*) ;;
724 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
725 esac
727 # Figure out what language subdirectories are present.
728 # Look if the user specified --enable-languages="..."; if not, use
729 # the environment variable $LANGUAGES if defined. $LANGUAGES might
730 # go away some day.
731 # NB: embedded tabs in this IF block -- do not untabify
732 if test x"${enable_languages+set}" != xset; then
733 if test x"${LANGUAGES+set}" = xset; then
734 enable_languages="${LANGUAGES}"
735 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
736 else
737 enable_languages=all
738 fi
739 else
740 if test x"${enable_languages}" = x ||
741 test x"${enable_languages}" = xyes;
742 then
743 echo configure.in: --enable-languages needs at least one language argument 1>&2
744 exit 1
745 fi
746 fi
747 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
749 # First scan to see if an enabled language requires some other language.
750 # We assume that a given config-lang.in will list all the language
751 # front ends it requires, even if some are required indirectly.
752 for lang in ${srcdir}/gcc/*/config-lang.in ..
753 do
754 case $lang in
755 ..) ;;
756 # The odd quoting in the next line works around
757 # an apparent bug in bash 1.12 on linux.
758 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
759 *)
760 lang_alias=`sed -n -e 's,^language=[['"'"'"'"]]\(.*\)[["'"'"'"']].*$,\1,p' -e 's,^language=\([[^ ]]*\).*$,\1,p' $lang`
761 this_lang_requires=`sed -n -e 's,^lang_requires=[['"'"'"'"]]\(.*\)[["'"'"'"']].*$,\1,p' -e 's,^lang_requires=\([[^ ]]*\).*$,\1,p' $lang`
762 for other in $this_lang_requires
763 do
764 case ,${enable_languages}, in
765 *,$other,*) ;;
766 *,all,*) ;;
767 *,$lang_alias,*)
768 echo " \`$other' language required by \`$lang_alias'; enabling" 1>&2
769 enable_languages="$enable_languages,$other"
770 ;;
771 esac
772 done
773 ;;
774 esac
775 done
777 subdirs=
778 for lang in ${srcdir}/gcc/*/config-lang.in ..
779 do
780 case $lang in
781 ..) ;;
782 # The odd quoting in the next line works around
783 # an apparent bug in bash 1.12 on linux.
784 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
785 *)
786 lang_alias=`sed -n -e 's,^language=[['"'"'"'"]]\(.*\)[["'"'"'"']].*$,\1,p' -e 's,^language=\([[^ ]]*\).*$,\1,p' $lang`
787 this_lang_libs=`sed -n -e 's,^target_libs=[['"'"'"'"]]\(.*\)[["'"'"'"']].*$,\1,p' -e 's,^target_libs=\([[^ ]]*\).*$,\1,p' $lang`
788 this_lang_dirs=`sed -n -e 's,^lang_dirs=[['"'"'"'"]]\(.*\)[["'"'"'"']].*$,\1,p' -e 's,^lang_dirs=\([[^ ]]*\).*$,\1,p' $lang`
789 build_by_default=`sed -n -e 's,^build_by_default=[['"'"'"'"]]\(.*\)[["'"'"'"']].*$,\1,p' -e 's,^build_by_default=\([[^ ]]*\).*$,\1,p' $lang`
790 if test "x$lang_alias" = x
791 then
792 echo "$lang doesn't set \$language." 1>&2
793 exit 1
794 fi
795 case ${build_by_default},${enable_languages}, in
796 *,$lang_alias,*) add_this_lang=yes ;;
797 no,*) add_this_lang=no ;;
798 *,all,*) add_this_lang=yes ;;
799 *) add_this_lang=no ;;
800 esac
801 if test x"${add_this_lang}" = xyes; then
802 eval target_libs='"$target_libs "'\"$this_lang_libs\"
803 else
804 eval noconfigdirs='"$noconfigdirs "'\"$this_lang_libs $this_lang_dirs\"
805 fi
806 ;;
807 esac
808 done
810 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs and
811 # $target_configdirs.
812 # If we have the source for $noconfigdirs entries, add them to $notsupp.
814 notsupp=""
815 for dir in . $skipdirs $noconfigdirs ; do
816 dirname=`echo $dir | sed -e s/target-//g`
817 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
818 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
819 if test -r $srcdir/$dirname/configure ; then
820 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
821 true
822 else
823 notsupp="$notsupp $dir"
824 fi
825 fi
826 fi
827 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
828 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
829 if test -r $srcdir/$dirname/configure ; then
830 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
831 true
832 else
833 notsupp="$notsupp $dir"
834 fi
835 fi
836 fi
837 done
839 # Sometimes the tools are distributed with libiberty but with no other
840 # libraries. In that case, we don't want to build target-libiberty.
841 if test -n "${target_configdirs}" ; then
842 others=
843 for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do
844 if test "$i" != "libiberty" ; then
845 if test -r $srcdir/$i/configure ; then
846 others=yes;
847 break;
848 fi
849 fi
850 done
851 if test -z "${others}" ; then
852 target_configdirs=
853 fi
854 fi
856 # Quietly strip out all directories which aren't configurable in this tree.
857 # This relies on all configurable subdirectories being autoconfiscated, which
858 # is now the case.
859 configdirs_all="$configdirs"
860 configdirs=
861 for i in ${configdirs_all} ; do
862 if test -f ${srcdir}/$i/configure ; then
863 configdirs="${configdirs} $i"
864 fi
865 done
866 target_configdirs_all="$target_configdirs"
867 target_configdirs=
868 for i in ${target_configdirs_all} ; do
869 j=`echo $i | sed -e s/target-//g`
870 if test -f ${srcdir}/$j/configure ; then
871 target_configdirs="${target_configdirs} $i"
872 fi
873 done
875 # Produce a warning message for the subdirs we can't configure.
876 # This isn't especially interesting in the Cygnus tree, but in the individual
877 # FSF releases, it's important to let people know when their machine isn't
878 # supported by the one or two programs in a package.
880 if test -n "${notsupp}" && test -z "${norecursion}" ; then
881 # If $appdirs is non-empty, at least one of those directories must still
882 # be configured, or we error out. (E.g., if the gas release supports a
883 # specified target in some subdirs but not the gas subdir, we shouldn't
884 # pretend that all is well.)
885 if test -n "$appdirs" ; then
886 for dir in $appdirs ; do
887 if test -r $dir/Makefile.in ; then
888 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
889 appdirs=""
890 break
891 fi
892 if echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
893 appdirs=""
894 break
895 fi
896 fi
897 done
898 if test -n "$appdirs" ; then
899 echo "*** This configuration is not supported by this package." 1>&2
900 exit 1
901 fi
902 fi
903 # Okay, some application will build, or we don't care to check. Still
904 # notify of subdirs not getting built.
905 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
906 echo " ${notsupp}" 1>&2
907 echo " (Any other directories should still work fine.)" 1>&2
908 fi
910 case "$host" in
911 *msdosdjgpp*)
912 enable_gdbtk=no ;;
913 esac
915 copy_dirs=
917 # Handle --with-headers=XXX. If the value is not "yes", the contents of
918 # the named directory are copied to $(tooldir)/sys-include.
919 if test x"${with_headers}" != x ; then
920 if test x${is_cross_compiler} = xno ; then
921 echo 1>&2 '***' --with-headers is only supported when cross compiling
922 exit 1
923 fi
924 if test x"${with_headers}" != xyes ; then
925 case "${exec_prefixoption}" in
926 "") x=${prefix} ;;
927 *) x=${exec_prefix} ;;
928 esac
929 copy_dirs="${copy_dirs} ${with_headers} $x/${target_alias}/sys-include"
930 fi
931 fi
933 # Handle --with-libs=XXX. If the value is not "yes", the contents of
934 # the name directories are copied to $(tooldir)/lib. Multiple directories
935 # are permitted.
936 if test x"${with_libs}" != x ; then
937 if test x${is_cross_compiler} = xno ; then
938 echo 1>&2 '***' --with-libs is only supported when cross compiling
939 exit 1
940 fi
941 if test x"${with_libs}" != xyes ; then
942 # Copy the libraries in reverse order, so that files in the first named
943 # library override files in subsequent libraries.
944 case "${exec_prefixoption}" in
945 "") x=${prefix} ;;
946 *) x=${exec_prefix} ;;
947 esac
948 for l in ${with_libs}; do
949 copy_dirs="$l $x/${target_alias}/lib ${copy_dirs}"
950 done
951 fi
952 fi
954 # Handle ${copy_dirs}
955 set fnord ${copy_dirs}
956 shift
957 while test $# != 0 ; do
958 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
959 :
960 else
961 echo Copying $1 to $2
963 # Use the install script to create the directory and all required
964 # parent directories.
965 if test -d $2 ; then
966 :
967 else
968 echo >config.temp
969 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
970 fi
972 # Copy the directory, assuming we have tar.
973 # FIXME: Should we use B in the second tar? Not all systems support it.
974 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
976 # It is the responsibility of the user to correctly adjust all
977 # symlinks. If somebody can figure out how to handle them correctly
978 # here, feel free to add the code.
980 echo $1 > $2/COPIED
981 fi
982 shift; shift
983 done
985 # Work in distributions that contain no compiler tools, like Autoconf.
986 tentative_cc=""
987 host_makefile_frag=/dev/null
988 if test -d ${srcdir}/config ; then
989 case "${host}" in
990 m68k-hp-hpux*)
991 # Avoid "too much defining" errors from HPUX compiler.
992 tentative_cc="cc -Wp,-H256000"
993 # If "ar" in $PATH is GNU ar, the symbol table may need rebuilding.
994 # If it's HP/UX ar, this should be harmless.
995 RANLIB="ar ts"
996 ;;
997 m68k-apollo-sysv*)
998 tentative_cc="cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DUSG"
999 ;;
1000 m68k-apollo-bsd*)
1001 #None of the Apollo compilers can compile gas or binutils. The preprocessor
1002 # chokes on bfd, the compiler won't let you assign integers to enums, and
1003 # other problems. Defining CC to gcc is a questionable way to say "don't use
1004 # the apollo compiler" (the preferred version of GCC could be called cc,
1005 # or whatever), but I'm not sure leaving CC as cc is any better...
1006 #CC=cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DNO_STDARG
1007 # Used to have BISON=yacc.
1008 tentative_cc=gcc
1009 ;;
1010 m88k-dg-dgux*)
1011 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
1012 ;;
1013 m88k-harris-cxux*)
1014 # Under CX/UX, we want to tell the compiler to use ANSI mode.
1015 tentative_cc="cc -Xa"
1016 host_makefile_frag="config/mh-cxux"
1017 ;;
1018 m88k-motorola-sysv*)
1019 ;;
1020 mips*-dec-ultrix*)
1021 tentative_cc="cc -Wf,-XNg1000"
1022 host_makefile_frag="config/mh-decstation"
1023 ;;
1024 mips*-nec-sysv4*)
1025 # The C compiler on NEC MIPS SVR4 needs bigger tables.
1026 tentative_cc="cc -ZXNd=5000 -ZXNg=1000"
1027 host_makefile_frag="config/mh-necv4"
1028 ;;
1029 mips*-sgi-irix4*)
1030 # Tell compiler to use K&R C. We can't compile under the SGI Ansi
1031 # environment. Also bump switch table size so that cp-parse will
1032 # compile. Bump string length limit so linker builds.
1033 tentative_cc="cc -cckr -Wf,-XNg1500 -Wf,-XNk1000 -Wf,-XNh2000 -Wf,-XNl8192"
1034 ;;
1035 mips*-*-sysv4*)
1036 host_makefile_frag="config/mh-sysv4"
1037 ;;
1038 mips*-*-sysv*)
1039 # This is for a MIPS running RISC/os 4.52C.
1041 # This is needed for GDB, but needs to be in the top-level make because
1042 # if a library is compiled with the bsd headers and gets linked with the
1043 # sysv system libraries all hell can break loose (e.g. a jmp_buf might be
1044 # a different size).
1045 # ptrace(2) apparently has problems in the BSD environment. No workaround is
1046 # known except to select the sysv environment. Could we use /proc instead?
1047 # These "sysv environments" and "bsd environments" often end up being a pain.
1048 #
1049 # This is not part of CFLAGS because perhaps not all C compilers have this
1050 # option.
1051 tentative_cc="cc -systype sysv"
1052 ;;
1053 i370-ibm-opened*)
1054 tentative_cc="c89"
1055 ;;
1056 i[[3456789]]86-*-sysv5*)
1057 host_makefile_frag="config/mh-sysv5"
1058 ;;
1059 i[[3456789]]86-*-dgux*)
1060 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
1061 host_makefile_frag="config/mh-dgux386"
1062 ;;
1063 i[[3456789]]86-ncr-sysv4.3*)
1064 # The MetaWare compiler will generate a copyright message unless you
1065 # turn it off by adding the -Hnocopyr flag.
1066 tentative_cc="cc -Hnocopyr"
1067 ;;
1068 i[[3456789]]86-ncr-sysv4*)
1069 # for an NCR 3000 (i486/SVR4) system.
1070 # The NCR 3000 ships with a MetaWare compiler installed as /bin/cc.
1071 # This compiler not only emits obnoxious copyright messages every time
1072 # you run it, but it chokes and dies on a whole bunch of GNU source
1073 # files. Default to using the AT&T compiler installed in /usr/ccs/ATT/cc.
1074 tentative_cc="/usr/ccs/ATT/cc"
1075 host_makefile_frag="config/mh-ncr3000"
1076 ;;
1077 i[[3456789]]86-*-sco3.2v5*)
1078 ;;
1079 i[[3456789]]86-*-sco*)
1080 # The native C compiler botches some simple uses of const. Unfortunately,
1081 # it doesn't defined anything like "__sco__" for us to test for in ansidecl.h.
1082 tentative_cc="cc -Dconst="
1083 host_makefile_frag="config/mh-sco"
1084 ;;
1085 i[[3456789]]86-*-udk*)
1086 host_makefile_frag="config/mh-sysv5"
1087 ;;
1088 i[[3456789]]86-*-solaris2*)
1089 host_makefile_frag="config/mh-sysv4"
1090 ;;
1091 i[[3456789]]86-*-msdosdjgpp*)
1092 host_makefile_frag="config/mh-djgpp"
1093 ;;
1094 *-cygwin*)
1095 host_makefile_frag="config/mh-cygwin"
1096 ;;
1097 *-mingw32*)
1098 host_makefile_frag="config/mh-mingw32"
1099 ;;
1100 *-interix*)
1101 host_makefile_frag="config/mh-interix"
1102 ;;
1103 vax-*-ultrix2*)
1104 # The old BSD pcc isn't up to compiling parts of gdb so use gcc
1105 tentative_cc=gcc
1106 ;;
1107 *-*-solaris2*)
1108 host_makefile_frag="config/mh-solaris"
1109 ;;
1110 m68k-sun-sunos*)
1111 # Sun's C compiler needs the -J flag to be able to compile cp-parse.c
1112 # without overflowing the jump tables (-J says to use a 32 bit table)
1113 tentative_cc="cc -J"
1114 ;;
1115 *-hp-hpux*)
1116 tentative_cc="cc -Wp,-H256000"
1117 ;;
1118 *-*-hiux*)
1119 tentative_cc="cc -Wp,-H256000"
1120 ;;
1121 rs6000-*-lynxos*)
1122 # /bin/cc is less than useful for our purposes. Always use GCC
1123 tentative_cc="/usr/cygnus/progressive/bin/gcc"
1124 host_makefile_frag="config/mh-lynxrs6k"
1125 ;;
1126 *-*-lynxos*)
1127 # /bin/cc is less than useful for our purposes. Always use GCC
1128 tentative_cc="/bin/gcc"
1129 ;;
1130 *-*-sysv4*)
1131 host_makefile_frag="config/mh-sysv4"
1132 ;;
1133 esac
1134 fi
1136 extra_arflags_for_target=
1137 extra_nmflags_for_target=
1138 extra_ranlibflags_for_target=
1139 target_makefile_frag=/dev/null
1140 case "${target}" in
1141 i[[3456789]]86-*-netware*)
1142 target_makefile_frag="config/mt-netware"
1143 ;;
1144 powerpc-*-netware*)
1145 target_makefile_frag="config/mt-netware"
1146 ;;
1147 *-*-linux*)
1148 target_makefile_frag="config/mt-linux"
1149 ;;
1150 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
1151 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
1152 # commands to handle both 32-bit and 64-bit objects. These flags are
1153 # harmless if we're using GNU nm or ar.
1154 extra_arflags_for_target=" -X32_64"
1155 extra_nmflags_for_target=" -B -X32_64"
1156 ;;
1157 *-*-darwin*)
1158 # ranlib from Darwin requires the -c flag to look at common symbols.
1159 extra_ranlibflags_for_target=" -c"
1160 ;;
1161 mips*-*-pe | sh*-*-pe | *arm-wince-pe)
1162 target_makefile_frag="config/mt-wince"
1163 ;;
1164 esac
1166 alphaieee_frag=/dev/null
1167 case $target in
1168 alpha*-*-*)
1169 # This just makes sure to use the -mieee option to build target libs.
1170 # This should probably be set individually by each library.
1171 alphaieee_frag="config/mt-alphaieee"
1172 ;;
1173 esac
1175 # If --enable-target-optspace always use -Os instead of -O2 to build
1176 # the target libraries, similarly if it is not specified, use -Os
1177 # on selected platforms.
1178 ospace_frag=/dev/null
1179 case "${enable_target_optspace}:${target}" in
1180 yes:*)
1181 ospace_frag="config/mt-ospace"
1182 ;;
1183 :d30v-*)
1184 ospace_frag="config/mt-d30v"
1185 ;;
1186 :m32r-* | :d10v-* | :fr30-*)
1187 ospace_frag="config/mt-ospace"
1188 ;;
1189 no:* | :*)
1190 ;;
1191 *)
1192 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
1193 ;;
1194 esac
1196 # Set with_gnu_as and with_gnu_ld as appropriate.
1197 #
1198 # This is done by determining whether or not the appropriate directory
1199 # is available, and by checking whether or not specific configurations
1200 # have requested that this magic not happen.
1201 #
1202 # The command line options always override the explicit settings in
1203 # configure.in, and the settings in configure.in override this magic.
1204 #
1205 # If the default for a toolchain is to use GNU as and ld, and you don't
1206 # want to do that, then you should use the --without-gnu-as and
1207 # --without-gnu-ld options for the configure script.
1209 if test x${use_gnu_as} = x &&
1210 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
1211 with_gnu_as=yes
1212 extra_host_args="$extra_host_args --with-gnu-as"
1213 fi
1215 if test x${use_gnu_ld} = x &&
1216 echo " ${configdirs} " | grep " ld " > /dev/null 2>&1 ; then
1217 with_gnu_ld=yes
1218 extra_host_args="$extra_host_args --with-gnu-ld"
1219 fi
1221 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
1222 # can detect this case.
1224 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
1225 with_newlib=yes
1226 extra_host_args="$extra_host_args --with-newlib"
1227 fi
1230 # Default to using --with-stabs for certain targets.
1231 if test x${with_stabs} = x ; then
1232 case "${target}" in
1233 mips*-*-irix6*o32)
1234 with_stabs=yes;
1235 extra_host_args="${extra_host_args} --with-stabs"
1236 ;;
1237 mips*-*-irix6*)
1238 ;;
1239 mips*-*-* | alpha*-*-osf*)
1240 with_stabs=yes;
1241 extra_host_args="${extra_host_args} --with-stabs"
1242 ;;
1243 esac
1244 fi
1246 # hpux11 in 64bit mode has libraries in a weird place. Arrange to find
1247 # them automatically.
1248 case "${host}" in
1249 hppa*64*-*-hpux11*)
1250 extra_host_args="$extra_host_args -x-libraries=/usr/lib/pa20_64 -x-includes=/usr/X11R6/include"
1251 ;;
1252 esac
1254 # If we aren't going to be using gcc, see if we can extract a definition
1255 # of CC from the fragment.
1256 # Actually, use the 'pre-extracted' version above.
1257 if test -z "${CC}" && test "${build}" = "${host}" ; then
1258 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
1259 found=
1260 for dir in $PATH; do
1261 test -z "$dir" && dir=.
1262 if test -f $dir/gcc; then
1263 found=yes
1264 break
1265 fi
1266 done
1267 IFS="$save_ifs"
1268 if test -z "${found}" && test -n "${tentative_cc}" ; then
1269 CC=$tentative_cc
1270 fi
1271 fi
1273 # Some systems (e.g., one of the i386-aix systems the gas testers are
1274 # using) don't handle "\$" correctly, so don't use it here.
1275 tooldir='${exec_prefix}'/${target_alias}
1276 build_tooldir=${tooldir}
1278 # Generate a default definition for YACC. This is used if the makefile can't
1279 # locate bison or byacc in objdir.
1281 for prog in 'bison -y' byacc yacc
1282 do
1283 set dummy $prog; tmp=$2
1284 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
1285 for dir in $PATH; do
1286 test -z "$dir" && dir=.
1287 if test -f $dir/$tmp; then
1288 DEFAULT_YACC="$prog"
1289 break
1290 fi
1291 done
1292 IFS="$save_ifs"
1294 test -n "$DEFAULT_YACC" && break
1295 done
1297 # Generate a default definition for M4. This is used if the makefile can't
1298 # locate m4 in objdir.
1300 for prog in gm4 gnum4 m4
1301 do
1302 set dummy $prog; tmp=$2
1303 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
1304 for dir in $PATH; do
1305 test -z "$dir" && dir=.
1306 if test -f $dir/$tmp; then
1307 DEFAULT_M4="$prog"
1308 break
1309 fi
1310 done
1311 IFS="$save_ifs"
1313 test -n "$DEFAULT_M4" && break
1314 done
1316 # Generate a default definition for LEX. This is used if the makefile can't
1317 # locate flex in objdir.
1319 for prog in flex lex
1320 do
1321 set dummy $prog; tmp=$2
1322 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
1323 for dir in $PATH; do
1324 test -z "$dir" && dir=.
1325 if test -f $dir/$tmp; then
1326 DEFAULT_LEX="$prog"
1327 break
1328 fi
1329 done
1330 IFS="$save_ifs"
1332 test -n "$DEFAULT_LEX" && break
1333 done
1335 if test "${build}" != "${host}" ; then
1336 # If we are doing a Canadian Cross, in which the host and build systems
1337 # are not the same, we set reasonable default values for the tools.
1339 BISON=${BISON-bison}
1340 CC=${CC-${host_alias}-gcc}
1341 CFLAGS=${CFLAGS-"-g -O2"}
1342 CXX=${CXX-${host_alias}-c++}
1343 CXXFLAGS=${CXXFLAGS-"-g -O2"}
1344 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
1345 CC_FOR_TARGET=${CC_FOR_TARGET-${target_alias}-gcc}
1346 CXX_FOR_TARGET=${CXX_FOR_TARGET-${target_alias}-c++}
1347 GCJ_FOR_TARGET=${GCJ_FOR_TARGET-${target_alias}-gcj}
1348 GCC_FOR_TARGET=${GCC_FOR_TARGET-${CC_FOR_TARGET-${target_alias}-gcc}}
1349 BUILD_PREFIX=${build_alias}-
1350 BUILD_PREFIX_1=${build_alias}-
1351 MAKEINFO=${MAKEINFO-makeinfo}
1353 if test -z "${YACC}" ; then
1354 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
1355 for dir in $PATH; do
1356 test -z "$dir" && dir=.
1357 if test -f $dir/bison; then
1358 YACC="bison -y"
1359 break
1360 fi
1361 if test -f $dir/byacc; then
1362 YACC=byacc
1363 break
1364 fi
1365 if test -f $dir/yacc; then
1366 YACC=yacc
1367 break
1368 fi
1369 done
1370 IFS="$save_ifs"
1371 if test -z "${YACC}" ; then
1372 YACC="bison -y"
1373 fi
1374 fi
1376 if test -z "${LEX}" ; then
1377 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
1378 for dir in $PATH; do
1379 test -z "$dir" && dir=.
1380 if test -f $dir/flex; then
1381 LEX=flex
1382 break
1383 fi
1384 if test -f $dir/lex; then
1385 LEX=lex
1386 break
1387 fi
1388 done
1389 IFS="$save_ifs"
1390 LEX=${LEX-flex}
1391 fi
1393 else
1394 # Set reasonable default values for some tools even if not Canadian.
1395 # Of course, these are different reasonable default values, originally
1396 # specified directly in the Makefile.
1397 # We don't export, so that autoconf can do its job.
1398 # Note that all these settings are above the fragment inclusion point
1399 # in Makefile.in, so can still be overridden by fragments.
1400 # This is all going to change when we autoconfiscate...
1402 BISON="\$(USUAL_BISON)"
1403 CC_FOR_BUILD="\$(CC)"
1404 GCC_FOR_TARGET="\$(USUAL_GCC_FOR_TARGET)"
1405 BUILD_PREFIX=
1406 BUILD_PREFIX_1=loser-
1407 MAKEINFO="\$(USUAL_MAKEINFO)"
1408 LEX="\$(USUAL_LEX)"
1409 YACC="\$(USUAL_YACC)"
1411 # If CC is still not set, try to get gcc.
1412 cc_prog_is_gcc=
1413 if test -z "${CC}" ; then
1414 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
1415 for dir in $PATH; do
1416 test -z "$dir" && dir=.
1417 if test -f $dir/gcc; then
1418 CC="gcc"
1419 cc_prog_is_gcc=yes
1420 echo 'void f(){}' > conftest.c
1421 if test -z "`${CC} -g -c conftest.c 2>&1`"; then
1422 CFLAGS=${CFLAGS-"-g -O2"}
1423 CXXFLAGS=${CXXFLAGS-"-g -O2"}
1424 else
1425 CFLAGS=${CFLAGS-"-O2"}
1426 CXXFLAGS=${CXXFLAGS-"-O2"}
1427 fi
1428 rm -f conftest*
1429 break
1430 fi
1431 done
1432 IFS="$save_ifs"
1433 CC=${CC-cc}
1434 else
1435 # Determine if we are using gcc.
1436 cat > conftest.c <<EOF
1437 #ifdef __GNUC__
1438 yes;
1439 #endif
1440 EOF
1441 if ${CC} -E conftest.c | grep yes >/dev/null 2>&1; then
1442 cc_prog_is_gcc=yes
1443 fi
1444 rm -f conftest.c
1445 if test -z "${CFLAGS}"; then
1446 # Here CC is set but CFLAGS is not. Use a quick hack to use -O2 if CC
1447 # is set to a version of gcc.
1448 if test "$cc_prog_is_gcc" = yes; then
1449 echo 'void f(){}' > conftest.c
1450 if test -z "`${CC} -g -c conftest.c 2>&1`"; then
1451 CFLAGS=${CFLAGS-"-g -O2"}
1452 CXXFLAGS=${CXXFLAGS-"-g -O2"}
1453 else
1454 CFLAGS=${CFLAGS-"-O2"}
1455 CXXFLAGS=${CXXFLAGS-"-O2"}
1456 fi
1457 rm -f conftest*
1458 fi
1459 fi
1460 fi
1462 # We must set the default linker to the linker used by gcc for the correct
1463 # operation of libtool. If LD is not defined and we are using gcc, try to
1464 # set the LD default to the ld used by gcc.
1465 if test -z "$LD"; then
1466 if test "$cc_prog_is_gcc" = yes; then
1467 case $build in
1468 *-*-mingw*)
1469 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1470 *)
1471 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1472 esac
1473 case $gcc_prog_ld in
1474 # Accept absolute paths.
1475 [[\\/]* | [A-Za-z]:[\\/]*)]
1476 LD="$gcc_prog_ld" ;;
1477 esac
1478 fi
1479 fi
1481 CXX=${CXX-"c++"}
1482 CFLAGS=${CFLAGS-"-g"}
1483 CXXFLAGS=${CXXFLAGS-"-g -O2"}
1484 fi
1486 # FIXME Should this be done recursively ??? (Useful for e.g. gdbtest)
1487 # Set up the list of links to be made.
1488 # ${links} is the list of link names, and ${files} is the list of names to link to.
1490 # Make the links.
1491 configlinks="${links}"
1492 if test -r ./config.status ; then
1493 mv -f ./config.status ./config.back
1494 fi
1495 while test -n "${files}" ; do
1496 # set file to car of files, files to cdr of files
1497 set ${files}; file=$1; shift; files=$*
1498 set ${links}; link=$1; shift; links=$*
1500 if test ! -r ${srcdir}/${file} ; then
1501 if test ! -r ${file} ; then
1502 echo '***' "${progname}: cannot create a link \"${link}\"," 1>&2
1503 echo '***' "since the file \"${srcdir}/${file}\" does not exist." 1>&2
1504 exit 1
1505 else
1506 srcfile=${file}
1507 fi
1508 else
1509 srcfile=${srcdir}/${file}
1510 fi
1512 ${remove} -f ${link}
1513 # Make a symlink if possible, otherwise try a hard link
1514 if ${symbolic_link} ${srcfile} ${link} >/dev/null 2>&1 ; then
1515 true
1516 else
1517 # We need to re-remove the file because Lynx leaves a
1518 # very strange directory there when it fails an NFS symlink.
1519 ${remove} -r -f ${link}
1520 ${hard_link} ${srcfile} ${link}
1521 fi
1522 if test ! -r ${link} ; then
1523 echo '***' "${progname}: unable to link \"${link}\" to \"${srcfile}\"." 1>&2
1524 exit 1
1525 fi
1527 echo "Linked \"${link}\" to \"${srcfile}\"."
1528 done
1530 # Create a .gdbinit file which runs the one in srcdir
1531 # and tells GDB to look there for source files.
1533 if test -r ${srcdir}/.gdbinit ; then
1534 case ${srcdir} in
1535 .) ;;
1536 *) cat > ./.gdbinit <<EOF
1537 # ${NO_EDIT}
1538 dir ${srcdir}
1539 dir .
1540 source ${srcdir}/.gdbinit
1541 EOF
1542 ;;
1543 esac
1544 fi
1546 # Make sure that the compiler is able to generate an executable. If it
1547 # can't, we are probably in trouble. We don't care whether we can run the
1548 # executable--we might be using a cross compiler--we only care whether it
1549 # can be created. At this point the main configure script has set CC.
1550 we_are_ok=no
1551 echo "int main () { return 0; }" > conftest.c
1552 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
1553 if test $? = 0 ; then
1554 if test -s conftest || test -s conftest.exe ; then
1555 we_are_ok=yes
1556 fi
1557 fi
1558 case $we_are_ok in
1559 no)
1560 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
1561 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
1562 rm -f conftest*
1563 exit 1
1564 ;;
1565 esac
1566 rm -f conftest*
1568 # The Solaris /usr/ucb/cc compiler does not appear to work.
1569 case "${host}" in
1570 sparc-sun-solaris2*)
1571 CCBASE="`echo ${CC-cc} | sed 's/ .*$//'`"
1572 if test "`type $CCBASE | sed 's/^[[^/]]*//'`" = "/usr/ucb/cc" ; then
1573 could_use=
1574 test -d /opt/SUNWspro/bin && could_use="/opt/SUNWspro/bin"
1575 if test -d /opt/cygnus/bin ; then
1576 if test "$could_use" = "" ; then
1577 could_use="/opt/cygnus/bin"
1578 else
1579 could_use="$could_use or /opt/cygnus/bin"
1580 fi
1581 fi
1582 if test "$could_use" = "" ; then
1583 echo "Warning: compilation may fail because you're using"
1584 echo "/usr/ucb/cc. You should change your PATH or CC "
1585 echo "variable and rerun configure."
1586 else
1587 echo "Warning: compilation may fail because you're using"
1588 echo "/usr/ucb/cc, when you should use the C compiler from"
1589 echo "$could_use. You should change your"
1590 echo "PATH or CC variable and rerun configure."
1591 fi
1592 fi
1593 ;;
1594 esac
1596 # If --enable-shared was set, we must set LD_LIBRARY_PATH so that the
1597 # binutils tools will find libbfd.so.
1598 case "${enable_shared}" in
1599 no | "") SET_LIB_PATH= ;;
1600 *) SET_LIB_PATH="\$(REALLY_SET_LIB_PATH)" ;;
1601 esac
1603 case "${host}" in
1604 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
1605 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
1606 esac
1608 # Record target_configdirs and the configure arguments for target and
1609 # build configuration in Makefile.
1610 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
1612 # This is the final value for target_configdirs. configdirs already
1613 # has its final value, as does build_modules. It's time to create some
1614 # lists of valid targets.
1616 all_build_modules=
1617 configure_build_modules=
1618 for module in ${build_modules} ; do
1619 all_build_modules=all-build-${module}
1620 configure_build_modules=configure-build-${module}
1621 done
1623 # Determine whether gdb needs tk/tcl or not.
1624 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
1625 # and in that case we want gdb to be built without tk. Ugh!
1626 # In fact I believe gdb is the *only* package directly dependent on tk,
1627 # so we should be able to put the 'maybe's in unconditionally and
1628 # leave out the maybe dependencies when enable_gdbtk is false. I'm not
1629 # 100% sure that that's safe though.
1631 gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-tix maybe-all-libgui"
1632 case "$enable_gdbtk" in
1633 no)
1634 GDB_TK="" ;;
1635 yes)
1636 GDB_TK="${gdb_tk}" ;;
1637 *)
1638 # Only add the dependency on gdbtk when GDBtk is part of the gdb
1639 # distro. Eventually someone will fix this and move Insight, nee
1640 # gdbtk to a separate directory.
1641 if test -d ${srcdir}/gdb/gdbtk ; then
1642 GDB_TK="${gdb_tk}"
1643 else
1644 GDB_TK=""
1645 fi
1646 ;;
1647 esac
1649 # Create the 'maybe dependencies'. This uses a temporary file.
1651 # While at that, we remove Makefiles if we were started for recursive
1652 # configuration, so that the top-level Makefile reconfigures them,
1653 # like we used to do when configure itself was recursive.
1654 rm -f maybedep.tmp
1655 echo '# maybedep.tmp' > maybedep.tmp
1657 # Make-targets which may need maybe dependencies.
1658 mts="configure all install check"
1660 # Loop over modules and make-targets.
1661 for module in ${build_modules} ; do
1662 if test -z "${no_recursion}" \
1663 && test -f ${build_subdir}/${module}/Makefile; then
1664 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
1665 rm -f ${build_subdir}/${module}/Makefile
1666 fi
1667 for mt in ${mts} ; do
1668 case ${mt} in
1669 install) ;; # No installing build modules.
1670 *) echo "maybe-${mt}-build-${module}: ${mt}-build-${module}" >> maybedep.tmp ;;
1671 esac
1672 done
1673 done
1674 for module in ${configdirs} ; do
1675 if test -z "${no_recursion}" \
1676 && test -f ${module}/Makefile; then
1677 echo 1>&2 "*** removing ${module}/Makefile to force reconfigure"
1678 rm -f ${module}/Makefile
1679 fi
1680 for mt in ${mts} ; do
1681 echo "maybe-${mt}-${module}: ${mt}-${module}" >> maybedep.tmp
1682 done
1683 done
1684 for module in ${target_configdirs} ; do
1685 if test -z "${no_recursion}" \
1686 && test -f ${target_subdir}/${module}/Makefile; then
1687 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
1688 rm -f ${target_subdir}/${module}/Makefile
1689 fi
1690 for mt in ${mts} ; do
1691 echo "maybe-${mt}-target-${module}: ${mt}-target-${module}" >> maybedep.tmp
1692 done
1693 done
1694 maybe_dependencies=maybedep.tmp
1695 AC_SUBST_FILE(maybe_dependencies)
1697 # Create the serialization dependencies. This uses a temporary file.
1699 AC_ARG_ENABLE([serial-configure],
1700 [ --disable-serial-[{host,target,build}-]configure
1701 Don't force sequential configuration of
1702 sub-packages for the host, target or build
1703 machine, or of any sub-packages at all])
1705 # These force 'configure's to be done one at a time, to avoid problems
1706 # with contention over a shared config.cache.
1707 rm -f serdep.tmp
1708 echo '# serdep.tmp' > serdep.tmp
1709 olditem=
1710 test "x${enable_serial_configure}" = xno ||
1711 test "x${enable_serial_build_configure}" = xno ||
1712 for item in ${build_configdirs} ; do
1713 case ${olditem} in
1714 "") ;;
1715 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
1716 esac
1717 olditem=${item}
1718 done
1719 olditem=
1720 test "x${enable_serial_configure}" = xno ||
1721 test "x${enable_serial_host_configure}" = xno ||
1722 for item in ${configdirs} ; do
1723 case ${olditem} in
1724 "") ;;
1725 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
1726 esac
1727 olditem=${item}
1728 done
1729 olditem=
1730 test "x${enable_serial_configure}" = xno ||
1731 test "x${enable_serial_target_configure}" = xno ||
1732 for item in ${target_configdirs} ; do
1733 case ${olditem} in
1734 "") ;;
1735 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
1736 esac
1737 olditem=${item}
1738 done
1739 serialization_dependencies=serdep.tmp
1740 AC_SUBST_FILE(serialization_dependencies)
1742 # Base args. Strip norecursion, cache-file, srcdir, host, build,
1743 # target and nonopt. These are the ones we might not want to pass
1744 # down to subconfigures.
1745 baseargs=`echo " ${ac_configure_args} " | \
1746 sed -e 's/ --no[[^ ]]* / /' \
1747 -e 's/ --c[[a-z-]]*[[= ]][[^ ]]* / /' \
1748 -e 's/ --sr[[a-z-]]*[[= ]][[^ ]]* / /' \
1749 -e 's/ --ho[[a-z-]]*[[= ]][[^ ]]* / /' \
1750 -e 's/ --bu[[a-z-]]*[[= ]][[^ ]]* / /' \
1751 -e 's/ --t[[a-z-]]*[[= ]][[^ ]]* / /' \
1752 -e 's/ -cache-file[[= ]][[^ ]]* / /' \
1753 -e 's/ -srcdir[[= ]][[^ ]]* / /' \
1754 -e 's/ -host[[= ]][[^ ]]* / /' \
1755 -e 's/ -build[[= ]][[^ ]]* / /' \
1756 -e 's/ -target[[= ]][[^ ]]* / /' \
1757 -e "s/ [[^' -][^ ]*] / /" \
1758 -e 's/^ *//;s/ *$//'`
1760 # For the build-side libraries, we just need to pretend we're native,
1761 # and not use the same cache file. Multilibs are neither needed nor
1762 # desired.
1763 build_configargs="--cache-file=../config.cache --build=${build_alias} --host=${build_alias} ${baseargs}"
1765 # For host modules, accept cache file option, or specification as blank.
1766 case "${cache_file}" in
1767 "") # empty
1768 cache_file_option="" ;;
1769 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
1770 cache_file_option="--cache-file=${cache_file}" ;;
1771 *) # relative path
1772 cache_file_option="--cache-file=../${cache_file}" ;;
1773 esac
1775 host_configargs="${cache_file_option} --build=${build_alias} --host=${host_alias} --target=${target_alias} ${extra_host_args} ${baseargs}"
1777 target_configargs=${baseargs}
1779 # Passing a --with-cross-host argument lets the target libraries know
1780 # whether they are being built with a cross-compiler or being built
1781 # native. However, it would be better to use other mechanisms to make the
1782 # sorts of decisions they want to make on this basis. Please consider
1783 # this option to be deprecated. FIXME.
1784 if test x${is_cross_compiler} = xyes ; then
1785 target_configargs="--with-cross-host=${host_alias} ${target_configargs}"
1786 fi
1788 # Default to --enable-multilib.
1789 if test x${enable_multilib} = x ; then
1790 target_configargs="--enable-multilib ${target_configargs}"
1791 fi
1793 # Pass --with-newlib if appropriate. Note that target_configdirs has
1794 # changed from the earlier setting of with_newlib.
1795 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
1796 target_configargs="--with-newlib ${target_configargs}"
1797 fi
1799 # Pass the appropriate --host, --build, and --cache-file arguments.
1800 target_configargs="--cache-file=../config.cache --host=${target_alias} --build=${build_alias} ${target_configargs}"
1802 # provide a proper gxx_include_dir.
1803 # Note, if you change the default, make sure to fix both here and in
1804 # the gcc and libstdc++-v3 subdirectories.
1805 # Check whether --with-gxx-include-dir or --without-gxx-include-dir was given.
1806 case "${with_gxx_include_dir}" in
1807 yes)
1808 AC_MSG_ERROR([--with-gxx-include-dir=[[dir]] requires a directory])
1809 ;;
1810 no | "")
1811 case "${enable_version_specific_runtime_libs}" in
1812 yes) gxx_include_dir='${libsubdir}/include/c++' ;;
1813 *)
1814 . ${srcdir}/config.if
1815 gxx_include_dir='${prefix}/include/'${libstdcxx_incdir} ;;
1816 esac ;;
1817 *) gxx_include_dir=${with_gxx_include_dir} ;;
1818 esac
1820 FLAGS_FOR_TARGET=
1821 case " $target_configdirs " in
1822 *" newlib "*)
1823 case " $target_configargs " in
1824 *" --with-newlib "*)
1825 case "$target" in
1826 *-cygwin*)
1827 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' ;;
1828 esac
1830 # If we're not building GCC, don't discard standard headers.
1831 if test -d ${srcdir}/gcc; then
1832 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
1834 if test "${build}" != "${host}"; then
1835 # On Canadian crosses, CC_FOR_TARGET will have already been set
1836 # by `configure', so we won't have an opportunity to add -Bgcc/
1837 # to it. This is right: we don't want to search that directory
1838 # for binaries, but we want the header files in there, so add
1839 # them explicitly.
1840 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/gcc/include'
1842 # Someone might think of using the pre-installed headers on
1843 # Canadian crosses, in case the installed compiler is not fully
1844 # compatible with the compiler being built. In this case, it
1845 # would be better to flag an error than risking having
1846 # incompatible object files being constructed. We can't
1847 # guarantee that an error will be flagged, but let's hope the
1848 # compiler will do it, when presented with incompatible header
1849 # files.
1850 fi
1851 fi
1853 case "${target}-${is_cross_compiler}" in
1854 i[[3456789]]86-*-linux*-no)
1855 # Here host == target, so we don't need to build gcc,
1856 # so we don't want to discard standard headers.
1857 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
1858 ;;
1859 *)
1860 # If we're building newlib, use its generic headers last, but search
1861 # for any libc-related directories first (so make it the last -B
1862 # switch).
1863 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
1864 ;;
1865 esac
1866 ;;
1867 esac
1868 ;;
1869 esac
1871 # On Canadian crosses, we'll be searching the right directories for
1872 # the previously-installed cross compiler, so don't bother to add
1873 # flags for directories within the install tree of the compiler
1874 # being built; programs in there won't even run.
1875 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
1876 # Search for pre-installed headers if nothing else fits.
1877 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
1878 fi
1880 if test "x${use_gnu_ld}" = x &&
1881 echo " ${configdirs} " | grep " ld " > /dev/null ; then
1882 # Arrange for us to find uninstalled linker scripts.
1883 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/ld'
1884 fi
1886 if test "x${CC_FOR_TARGET+set}" = xset; then
1887 :
1888 elif test -d ${srcdir}/gcc; then
1889 CC_FOR_TARGET='$$r/gcc/xgcc -B$$r/gcc/'
1890 elif test "$host" = "$target"; then
1891 CC_FOR_TARGET='$(CC)'
1892 else
1893 CC_FOR_TARGET=`echo gcc | sed "${program_transform_name}"`
1894 fi
1895 CC_FOR_TARGET=$CC_FOR_TARGET' $(FLAGS_FOR_TARGET)'
1897 if test "x${GCJ_FOR_TARGET+set}" = xset; then
1898 :
1899 elif test -d ${srcdir}/gcc; then
1900 GCJ_FOR_TARGET='$$r/gcc/gcj -B$$r/gcc/'
1901 elif test "$host" = "$target"; then
1902 GCJ_FOR_TARGET='gcj'
1903 else
1904 GCJ_FOR_TARGET=`echo gcj | sed "${program_transform_name}"`
1905 fi
1906 GCJ_FOR_TARGET=$GCJ_FOR_TARGET' $(FLAGS_FOR_TARGET)'
1908 # Don't use libstdc++-v3's flags to configure/build itself.
1909 libstdcxx_flags='`test ! -f $$r/$(TARGET_SUBDIR)/libstdc++-v3/testsuite_flags || $(SHELL) $$r/$(TARGET_SUBDIR)/libstdc++-v3/testsuite_flags --build-includes` -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs'
1910 raw_libstdcxx_flags=' -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs'
1912 if test "x${CXX_FOR_TARGET+set}" = xset; then
1913 :
1914 elif test -d ${srcdir}/gcc; then
1915 # We add -shared-libgcc to CXX_FOR_TARGET whenever we use xgcc instead
1916 # of g++ for linking C++ or Java, because g++ has -shared-libgcc by
1917 # default whereas gcc does not.
1918 # RAW_CXX_FOR_TARGET is for linking C++ or java; CXX_FOR_TARGET is for
1919 # all other cases.
1920 CXX_FOR_TARGET='$$r/gcc/g++ -B$$r/gcc/ -nostdinc++ '$libstdcxx_flags
1921 RAW_CXX_FOR_TARGET='$$r/gcc/xgcc -shared-libgcc -B$$r/gcc/ -nostdinc++ '$raw_libstdcxx_flags
1922 elif test "$host" = "$target"; then
1923 CXX_FOR_TARGET='$(CXX)'
1924 RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
1925 else
1926 CXX_FOR_TARGET=`echo c++ | sed "${program_transform_name}"`
1927 RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
1928 fi
1929 CXX_FOR_TARGET=$CXX_FOR_TARGET' $(FLAGS_FOR_TARGET)'
1930 RAW_CXX_FOR_TARGET=$RAW_CXX_FOR_TARGET' $(FLAGS_FOR_TARGET)'
1932 qCXX_FOR_TARGET=`echo "$CXX_FOR_TARGET" | sed 's,[[&%]],\\\&,g'`
1933 qRAW_CXX_FOR_TARGET=`echo "$RAW_CXX_FOR_TARGET" | sed 's,[[&%]],\\\&,g'`
1935 # We want to defer the evaluation of `cmd`s and shell variables in
1936 # CXX_FOR_TARGET when recursing in the top-level Makefile, such as for
1937 # bootstrap. We'll enclose CXX_FOR_TARGET_FOR_RECURSIVE_MAKE in single
1938 # quotes, but we still have to duplicate `$'s so that shell variables
1939 # can be expanded by the nested make as shell variables, not as make
1940 # macros.
1941 qqCXX_FOR_TARGET=`echo "$qCXX_FOR_TARGET" | sed -e 's,[[$]][[$]],$$$$,g'`
1942 qqRAW_CXX_FOR_TARGET=`echo "$qRAW_CXX_FOR_TARGET" | sed -e 's,[[$]][[$]],$$$$,g'`
1944 # Wrap CC_FOR_TARGET and friends, for certain types of builds.
1945 CC_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${CC_FOR_TARGET}"
1946 GCJ_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${GCJ_FOR_TARGET}"
1947 CXX_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${qCXX_FOR_TARGET}"
1948 RAW_CXX_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${qRAW_CXX_FOR_TARGET}"
1949 CXX_FOR_TARGET_FOR_RECURSIVE_MAKE="\$(STAGE_CC_WRAPPER) ${qqCXX_FOR_TARGET}"
1950 RAW_CXX_FOR_TARGET_FOR_RECURSIVE_MAKE="\$(STAGE_CC_WRAPPER) ${qqRAW_CXX_FOR_TARGET}"
1952 # Makefile fragments.
1953 host_makefile_frag=${srcdir}/${host_makefile_frag}
1954 target_makefile_frag=${srcdir}/${target_makefile_frag}
1955 alphaieee_frag=${srcdir}/${alphaieee_frag}
1956 ospace_frag=${srcdir}/${ospace_frag}
1957 AC_SUBST_FILE(host_makefile_frag)
1958 AC_SUBST_FILE(target_makefile_frag)
1959 AC_SUBST_FILE(alphaieee_frag)
1960 AC_SUBST_FILE(ospace_frag)
1962 # Miscellanea: directories, flags, etc.
1963 AC_SUBST(SET_LIB_PATH)
1964 AC_SUBST(RPATH_ENVVAR)
1965 AC_SUBST(BUILD_PREFIX)
1966 AC_SUBST(BUILD_PREFIX_1)
1967 AC_SUBST(configlinks)
1968 AC_SUBST(gcc_version_trigger)
1969 AC_SUBST(gcc_version)
1970 AC_SUBST(tooldir)
1971 AC_SUBST(build_tooldir)
1972 AC_SUBST(GDB_TK)
1973 AC_SUBST(gxx_include_dir)
1974 AC_SUBST(libstdcxx_incdir)
1976 # Build module lists & subconfigure args.
1977 AC_SUBST(build_configargs)
1978 AC_SUBST(configure_build_modules)
1979 AC_SUBST(all_build_modules)
1981 # Host module lists & subconfigure args.
1982 AC_SUBST(host_configargs)
1983 AC_SUBST(configdirs)
1985 # Target module lists & subconfigure args.
1986 AC_SUBST(target_configargs)
1987 AC_SUBST(target_configdirs)
1989 # Build tools.
1990 AC_SUBST(BISON)
1991 AC_SUBST(CC_FOR_BUILD)
1992 AC_SUBST(LEX)
1993 AC_SUBST(MAKEINFO)
1994 AC_SUBST(YACC)
1995 AC_SUBST(config_shell)
1997 # Host tools.
1998 NCN_STRICT_CHECK_TOOL(AR, ar)
1999 NCN_STRICT_CHECK_TOOL(AS, as)
2000 NCN_STRICT_CHECK_TOOL(DLLTOOL, dlltool)
2001 NCN_STRICT_CHECK_TOOL(LD, ld)
2002 NCN_STRICT_CHECK_TOOL(NM, nm)
2003 NCN_STRICT_CHECK_TOOL(RANLIB, ranlib, :)
2004 NCN_STRICT_CHECK_TOOL(WINDRES, windres)
2005 NCN_STRICT_CHECK_TOOL(OBJCOPY, objcopy)
2006 NCN_STRICT_CHECK_TOOL(OBJDUMP, objdump)
2007 AC_SUBST(CC)
2008 AC_SUBST(CXX)
2009 AC_SUBST(CFLAGS)
2010 AC_SUBST(CXXFLAGS)
2011 AC_SUBST(DEFAULT_YACC)
2012 AC_SUBST(DEFAULT_LEX)
2013 AC_SUBST(DEFAULT_M4)
2015 # Target tools.
2016 NCN_STRICT_CHECK_TARGET_TOOL(AR_FOR_TARGET, ar)
2017 NCN_STRICT_CHECK_TARGET_TOOL(AS_FOR_TARGET, as)
2018 NCN_STRICT_CHECK_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
2019 NCN_STRICT_CHECK_TARGET_TOOL(LD_FOR_TARGET, ld)
2020 NCN_STRICT_CHECK_TARGET_TOOL(NM_FOR_TARGET, nm)
2021 NCN_STRICT_CHECK_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib, :)
2022 NCN_STRICT_CHECK_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
2024 AC_SUBST(GCC_FOR_TARGET)
2025 AC_SUBST(FLAGS_FOR_TARGET)
2026 AC_SUBST(CC_FOR_TARGET)
2027 AC_SUBST(GCJ_FOR_TARGET)
2028 AC_SUBST(CXX_FOR_TARGET)
2029 AC_SUBST(RAW_CXX_FOR_TARGET)
2030 AC_SUBST(CXX_FOR_TARGET_FOR_RECURSIVE_MAKE)
2031 AC_SUBST(RAW_CXX_FOR_TARGET_FOR_RECURSIVE_MAKE)
2033 # Fix up target tools.
2034 if test "x${build}" = "x${host}" ; then
2035 # In this case, the newly built tools can and should be used,
2036 # so we override the results of the autoconf tests.
2037 # This should really only happen when the tools are actually being built,
2038 # but that's a further refinement. The new build scheme, where
2039 # tools are built into a structure paralleling where they're installed,
2040 # should also eliminate all of this cleanly.
2041 AR_FOR_TARGET="\$(USUAL_AR_FOR_TARGET)"
2042 AS_FOR_TARGET="\$(USUAL_AS_FOR_TARGET)"
2043 DLLTOOL_FOR_TARGET="\$(USUAL_DLLTOOL_FOR_TARGET)"
2044 LD_FOR_TARGET="\$(USUAL_LD_FOR_TARGET)"
2045 NM_FOR_TARGET="\$(USUAL_NM_FOR_TARGET)"
2046 RANLIB_FOR_TARGET="\$(USUAL_RANLIB_FOR_TARGET)"
2047 WINDRES_FOR_TARGET="\$(USUAL_WINDRES_FOR_TARGET)"
2048 fi
2049 # Certain tools may need extra flags.
2050 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
2051 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
2052 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
2054 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
2055 AC_ARG_ENABLE(maintainer-mode,
2056 [ --enable-maintainer-mode enable make rules and dependencies not useful
2057 (and sometimes confusing) to the casual installer],
2058 USE_MAINTAINER_MODE=$enableval,
2059 USE_MAINTAINER_MODE=no)
2060 AC_MSG_RESULT($USE_MAINTAINER_MODE)
2061 AC_SUBST(MAINTAINER_MODE_TRUE)
2062 AC_SUBST(MAINTAINER_MODE_FALSE)
2063 if test "$USE_MAINTAINER_MODE" = yes; then
2064 MAINTAINER_MODE_TRUE=
2065 MAINTAINER_MODE_FALSE='#'
2066 else
2067 MAINTAINER_MODE_TRUE='#'
2068 MAINTAINER_MODE_FALSE=
2069 fi
2070 MAINT=$MAINTAINER_MODE_TRUE
2071 AC_SUBST(MAINT)dnl
2073 AC_OUTPUT(Makefile)