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1 # Configure fragment invoked in the post-target section for subdirs
2 # wanting multilib support.
3 #
4 # Copyright (C) 1995, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
5 # Free Software Foundation, Inc.
6 #
7 # This file is free software; you can redistribute it and/or modify
8 # it under the terms of the GNU General Public License as published by
9 # the Free Software Foundation; either version 2 of the License, or
10 # (at your option) any later version.
11 #
12 # This program is distributed in the hope that it will be useful,
13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 # GNU General Public License for more details.
16 #
17 # You should have received a copy of the GNU General Public License
18 # along with this program; if not, write to the Free Software
19 # Foundation, Inc., 59 Temple Place - Suite 330,
20 # Boston, MA 02111-1307, USA.
21 #
22 # As a special exception to the GNU General Public License, if you
23 # distribute this file as part of a program that contains a
24 # configuration script generated by Autoconf, you may include it under
25 # the same distribution terms that you use for the rest of that program.
26 #
27 # Please report bugs to <gcc-bugs@gnu.org>
28 # and send patches to <gcc-patches@gnu.org>.
29
30 # It is advisable to support a few --enable/--disable options to let the
31 # user select which libraries s/he really wants.
32 #
33 # Subdirectories wishing to use multilib should put the following lines
34 # in the "post-target" section of configure.in.
35 #
36 # if [ "${srcdir}" = "." ] ; then
37 # if [ "${with_target_subdir}" != "." ] ; then
38 # . ${with_multisrctop}../../config-ml.in
39 # else
40 # . ${with_multisrctop}../config-ml.in
41 # fi
42 # else
43 # . ${srcdir}/../config-ml.in
44 # fi
45 #
46 #
47 # Things are complicated because 6 separate cases must be handled:
48 # 2 (native, cross) x 3 (absolute-path, relative-not-dot, dot) = 6.
49 #
50 # srcdir=. is special. It must handle make programs that don't handle VPATH.
51 # To implement this, a symlink tree is built for each library and for each
52 # multilib subdir.
53 #
54 # The build tree is layed out as
55 #
56 # ./
57 # newlib
58 # m68020/
59 # newlib
60 # m68881/
61 # newlib
62 #
63 # The nice feature about this arrangement is that inter-library references
64 # in the build tree work without having to care where you are. Note that
65 # inter-library references also work in the source tree because symlink trees
66 # are built when srcdir=.
67 #
68 # Unfortunately, trying to access the libraries in the build tree requires
69 # the user to manually choose which library to use as GCC won't be able to
70 # find the right one. This is viewed as the lesser of two evils.
71 #
72 # Configure variables:
73 # ${with_target_subdir} = "." for native, or ${target_alias} for cross.
74 # Set by top level Makefile.
75 # ${with_multisrctop} = how many levels of multilibs there are in the source
76 # tree. It exists to handle the case of configuring in the source tree:
77 # ${srcdir} is not constant.
78 # ${with_multisubdir} = name of multilib subdirectory (eg: m68020/m68881).
79 #
80 # Makefile variables:
81 # MULTISRCTOP = number of multilib levels in source tree (+1 if cross)
82 # (FIXME: note that this is different than ${with_multisrctop}. Check out.).
83 # MULTIBUILDTOP = number of multilib levels in build tree
84 # MULTIDIRS = list of multilib subdirs (eg: m68000 m68020 ...)
85 # (only defined in each library's main Makefile).
86 # MULTISUBDIR = installed subdirectory name with leading '/' (eg: /m68000)
87 # (only defined in each multilib subdir).
88
89 # FIXME: Multilib is currently disabled by default for everything other than
90 # newlib. It is up to each target to turn on multilib support for the other
91 # libraries as desired.
92
93 # Autoconf incoming variables:
94 # srcdir, host, ac_configure_args
95 #
96 # We *could* figure srcdir and host out, but we'd have to do work that
97 # our caller has already done to figure them out and requiring these two
98 # seems reasonable.
99 # Note that `host' in this case is GCC's `target'. Target libraries are
100 # configured for a particular host.
101
102 Makefile=${ac_file-Makefile}
103 ml_config_shell=${CONFIG_SHELL-/bin/sh}
104 ml_realsrcdir=${srcdir}
105
106 # Scan all the arguments and set all the ones we need.
107
108 ml_verbose=--verbose
109 for option in ${ac_configure_args}
110 do
111 case $option in
112 --*) ;;
113 -*) option=-$option ;;
114 esac
115
116 case $option in
117 --*=*)
118 optarg=`echo $option | sed -e 's/^[^=]*=//'`
119 ;;
120 esac
121
122 case $option in
123 --disable-*)
124 enableopt=`echo ${option} | sed 's:^--disable-:enable_:;s:-:_:g'`
125 eval $enableopt=no
126 ;;
127 --enable-*)
128 case "$option" in
129 *=*) ;;
130 *) optarg=yes ;;
131 esac
132 enableopt=`echo ${option} | sed 's:^--::;s:=.*$::;s:-:_:g'`
133 eval $enableopt="$optarg"
134 ;;
135 --norecursion | --no-recursion)
136 ml_norecursion=yes
137 ;;
138 --silent | --sil* | --quiet | --q*)
139 ml_verbose=--silent
140 ;;
141 --verbose | --v | --verb*)
142 ml_verbose=--verbose
143 ;;
144 --with-*)
145 case "$option" in
146 *=*) ;;
147 *) optarg=yes ;;
148 esac
149 withopt=`echo ${option} | sed 's:^--::;s:=.*$::;s:-:_:g'`
150 eval $withopt="$optarg"
151 ;;
152 --without-*)
153 withopt=`echo ${option} | sed 's:^--::;s:out::;s:-:_:g'`
154 eval $withopt=no
155 ;;
156 esac
157 done
158
159 # Only do this if --enable-multilib.
160 if [ "${enable_multilib}" = yes ]; then
161
162 # Compute whether this is the library's top level directory
163 # (ie: not a multilib subdirectory, and not a subdirectory like newlib/src).
164 # ${with_multisubdir} tells us we're in the right branch, but we could be
165 # in a subdir of that.
166 # ??? The previous version could void this test by separating the process into
167 # two files: one that only the library's toplevel configure.in ran (to
168 # configure the multilib subdirs), and another that all configure.in's ran to
169 # update the Makefile. It seemed reasonable to collapse all multilib support
170 # into one file, but it does leave us with having to perform this test.
171 ml_toplevel_p=no
172 if [ -z "${with_multisubdir}" ]; then
173 if [ "${srcdir}" = "." ]; then
174 # Use ${ml_realsrcdir} instead of ${srcdir} here to account for ${subdir}.
175 # ${with_target_subdir} = "." for native, otherwise target alias.
176 if [ "${with_target_subdir}" = "." ]; then
177 if [ -f ${ml_realsrcdir}/../config-ml.in ]; then
178 ml_toplevel_p=yes
179 fi
180 else
181 if [ -f ${ml_realsrcdir}/../../config-ml.in ]; then
182 ml_toplevel_p=yes
183 fi
184 fi
185 else
186 # Use ${ml_realsrcdir} instead of ${srcdir} here to account for ${subdir}.
187 if [ -f ${ml_realsrcdir}/../config-ml.in ]; then
188 ml_toplevel_p=yes
189 fi
190 fi
191 fi
192
193 # If this is the library's top level directory, set multidirs to the
194 # multilib subdirs to support. This lives at the top because we need
195 # `multidirs' set right away.
196
197 if [ "${ml_toplevel_p}" = yes ]; then
198
199 multidirs=
200 for i in `${CC-gcc} --print-multi-lib 2>/dev/null`; do
201 dir=`echo $i | sed -e 's/;.*$//'`
202 if [ "${dir}" = "." ]; then
203 true
204 else
205 if [ -z "${multidirs}" ]; then
206 multidirs="${dir}"
207 else
208 multidirs="${multidirs} ${dir}"
209 fi
210 fi
211 done
212
213 # Target libraries are configured for the host they run on, so we check
214 # $host here, not $target.
215
216 case "${host}" in
217 arc-*-elf*)
218 if [ x$enable_biendian != xyes ]
219 then
220 old_multidirs=${multidirs}
221 multidirs=""
222 for x in ${old_multidirs}; do
223 case "${x}" in
224 *be*) : ;;
225 *) multidirs="${multidirs} ${x}" ;;
226 esac
227 done
228 fi
229 ;;
230 arm-*-*)
231 if [ x"$enable_fpu" = xno ]
232 then
233 old_multidirs=${multidirs}
234 multidirs=""
235 for x in ${old_multidirs}; do
236 case "${x}" in
237 *fpu*) : ;;
238 *) multidirs="${multidirs} ${x}" ;;
239 esac
240 done
241 fi
242 if [ x"$enable_26bit" = xno ]
243 then
244 old_multidirs=${multidirs}
245 multidirs=""
246 for x in ${old_multidirs}; do
247 case "${x}" in
248 *26bit*) : ;;
249 *) multidirs="${multidirs} ${x}" ;;
250 esac
251 done
252 fi
253 if [ x"$enable_underscore" = xno ]
254 then
255 old_multidirs=${multidirs}
256 multidirs=""
257 for x in ${old_multidirs}; do
258 case "${x}" in
259 *under*) : ;;
260 *) multidirs="${multidirs} ${x}" ;;
261 esac
262 done
263 fi
264 if [ x"$enable_interwork" = xno ]
265 then
266 old_multidirs=${multidirs}
267 multidirs=""
268 for x in ${old_multidirs}; do
269 case "${x}" in
270 *interwork*) : ;;
271 *) multidirs="${multidirs} ${x}" ;;
272 esac
273 done
274 fi
275 if [ x$enable_biendian = xno ]
276 then
277 old_multidirs="${multidirs}"
278 multidirs=""
279 for x in ${old_multidirs}; do
280 case "$x" in
281 *le* ) : ;;
282 *be* ) : ;;
283 *) multidirs="${multidirs} ${x}" ;;
284 esac
285 done
286 fi
287 if [ x"$enable_nofmult" = xno ]
288 then
289 old_multidirs="${multidirs}"
290 multidirs=""
291 for x in ${old_multidirs}; do
292 case "$x" in
293 *nofmult* ) : ;;
294 *) multidirs="${multidirs} ${x}" ;;
295 esac
296 done
297 fi
298 ;;
299 m68*-*-*)
300 if [ x$enable_softfloat = xno ]
301 then
302 old_multidirs="${multidirs}"
303 multidirs=""
304 for x in ${old_multidirs}; do
305 case "$x" in
306 *soft-float* ) : ;;
307 *) multidirs="${multidirs} ${x}" ;;
308 esac
309 done
310 fi
311 if [ x$enable_m68881 = xno ]
312 then
313 old_multidirs="${multidirs}"
314 multidirs=""
315 for x in ${old_multidirs}; do
316 case "$x" in
317 *m68881* ) : ;;
318 *) multidirs="${multidirs} ${x}" ;;
319 esac
320 done
321 fi
322 if [ x$enable_m68000 = xno ]
323 then
324 old_multidirs="${multidirs}"
325 multidirs=""
326 for x in ${old_multidirs}; do
327 case "$x" in
328 *m68000* ) : ;;
329 *) multidirs="${multidirs} ${x}" ;;
330 esac
331 done
332 fi
333 if [ x$enable_m68020 = xno ]
334 then
335 old_multidirs="${multidirs}"
336 multidirs=""
337 for x in ${old_multidirs}; do
338 case "$x" in
339 *m68020* ) : ;;
340 *) multidirs="${multidirs} ${x}" ;;
341 esac
342 done
343 fi
344 ;;
345 mips*-*-*)
346 if [ x$enable_single_float = xno ]
347 then
348 old_multidirs="${multidirs}"
349 multidirs=""
350 for x in ${old_multidirs}; do
351 case "$x" in
352 *single* ) : ;;
353 *) multidirs="${multidirs} ${x}" ;;
354 esac
355 done
356 fi
357 if [ x$enable_biendian = xno ]
358 then
359 old_multidirs="${multidirs}"
360 multidirs=""
361 for x in ${old_multidirs}; do
362 case "$x" in
363 *el* ) : ;;
364 *eb* ) : ;;
365 *) multidirs="${multidirs} ${x}" ;;
366 esac
367 done
368 fi
369 if [ x$enable_softfloat = xno ]
370 then
371 old_multidirs="${multidirs}"
372 multidirs=""
373 for x in ${old_multidirs}; do
374 case "$x" in
375 *soft-float* ) : ;;
376 *) multidirs="${multidirs} ${x}" ;;
377 esac
378 done
379 fi
380 case " $multidirs " in
381 *" mabi=64 "*)
382 # We will not be able to create libraries with -mabi=64 if
383 # we cannot even link a trivial program. It usually
384 # indicates the 64bit libraries are missing.
385 if echo 'main() {}' > conftest.c &&
386 ${CC-gcc} -mabi=64 conftest.c -o conftest; then
387 :
388 else
389 echo Could not link program with -mabi=64, disabling it.
390 old_multidirs="${multidirs}"
391 multidirs=""
392 for x in ${old_multidirs}; do
393 case "$x" in
394 *mabi=64* ) : ;;
395 *) multidirs="${multidirs} ${x}" ;;
396 esac
397 done
398 fi
399 rm -f conftest.c conftest
400 ;;
401 esac
402 ;;
403 powerpc*-*-* | rs6000*-*-*)
404 if [ x$enable_aix64 = xno ]
405 then
406 old_multidirs="${multidirs}"
407 multidirs=""
408 for x in ${old_multidirs}; do
409 case "$x" in
410 *ppc64* ) : ;;
411 *) multidirs="${multidirs} ${x}" ;;
412 esac
413 done
414 fi
415 if [ x$enable_pthread = xno ]
416 then
417 old_multidirs="${multidirs}"
418 multidirs=""
419 for x in ${old_multidirs}; do
420 case "$x" in
421 *pthread* ) : ;;
422 *) multidirs="${multidirs} ${x}" ;;
423 esac
424 done
425 fi
426 if [ x$enable_softfloat = xno ]
427 then
428 old_multidirs="${multidirs}"
429 multidirs=""
430 for x in ${old_multidirs}; do
431 case "$x" in
432 *soft-float* ) : ;;
433 *) multidirs="${multidirs} ${x}" ;;
434 esac
435 done
436 fi
437 if [ x$enable_powercpu = xno ]
438 then
439 old_multidirs="${multidirs}"
440 multidirs=""
441 for x in ${old_multidirs}; do
442 case "$x" in
443 power | */power | */power/* ) : ;;
444 *) multidirs="${multidirs} ${x}" ;;
445 esac
446 done
447 fi
448 if [ x$enable_powerpccpu = xno ]
449 then
450 old_multidirs="${multidirs}"
451 multidirs=""
452 for x in ${old_multidirs}; do
453 case "$x" in
454 *powerpc* ) : ;;
455 *) multidirs="${multidirs} ${x}" ;;
456 esac
457 done
458 fi
459 if [ x$enable_powerpcos = xno ]
460 then
461 old_multidirs="${multidirs}"
462 multidirs=""
463 for x in ${old_multidirs}; do
464 case "$x" in
465 *mcall-linux* | *mcall-solaris* ) : ;;
466 *) multidirs="${multidirs} ${x}" ;;
467 esac
468 done
469 fi
470 if [ x$enable_biendian = xno ]
471 then
472 old_multidirs="${multidirs}"
473 multidirs=""
474 for x in ${old_multidirs}; do
475 case "$x" in
476 *mlittle* | *mbig* ) : ;;
477 *) multidirs="${multidirs} ${x}" ;;
478 esac
479 done
480 fi
481 if [ x$enable_sysv = xno ]
482 then
483 old_multidirs="${multidirs}"
484 multidirs=""
485 for x in ${old_multidirs}; do
486 case "$x" in
487 *mcall-sysv* ) : ;;
488 *) multidirs="${multidirs} ${x}" ;;
489 esac
490 done
491 fi
492 ;;
493 sparc*-*-*)
494 case " $multidirs " in
495 *" m64 "*)
496 # We will not be able to create libraries with -m64 if
497 # we cannot even link a trivial program. It usually
498 # indicates the 64bit libraries are missing.
499 if echo 'main() {}' > conftest.c &&
500 ${CC-gcc} -m64 conftest.c -o conftest; then
501 :
502 else
503 echo Could not link program with -m64, disabling it.
504 old_multidirs="${multidirs}"
505 multidirs=""
506 for x in ${old_multidirs}; do
507 case "$x" in
508 *m64* ) : ;;
509 *) multidirs="${multidirs} ${x}" ;;
510 esac
511 done
512 fi
513 rm -f conftest.c conftest
514 ;;
515 esac
516 ;;
517 esac
518
519 # Remove extraneous blanks from multidirs.
520 # Tests like `if [ -n "$multidirs" ]' require it.
521 multidirs=`echo "$multidirs" | sed -e 's/^[ ][ ]*//' -e 's/[ ][ ]*$//' -e 's/[ ][ ]*/ /g'`
522
523 # Add code to library's top level makefile to handle building the multilib
524 # subdirs.
525
526 cat > Multi.tem <<\EOF
527
528 PWD_COMMAND=$${PWDCMD-pwd}
529
530 # FIXME: There should be an @-sign in front of the `if'.
531 # Leave out until this is tested a bit more.
532 multi-do:
533 if [ -z "$(MULTIDIRS)" ]; then \
534 true; \
535 else \
536 rootpre=`${PWD_COMMAND}`/; export rootpre; \
537 srcrootpre=`cd $(srcdir); ${PWD_COMMAND}`/; export srcrootpre; \
538 lib=`echo $${rootpre} | sed -e 's,^.*/\([^/][^/]*\)/$$,\1,'`; \
539 compiler="$(CC)"; \
540 for i in `$${compiler} --print-multi-lib 2>/dev/null`; do \
541 dir=`echo $$i | sed -e 's/;.*$$//'`; \
542 if [ "$${dir}" = "." ]; then \
543 true; \
544 else \
545 if [ -d ../$${dir}/$${lib} ]; then \
546 flags=`echo $$i | sed -e 's/^[^;]*;//' -e 's/@/ -/g'`; \
547 if (cd ../$${dir}/$${lib}; $(MAKE) $(FLAGS_TO_PASS) \
548 CFLAGS="$(CFLAGS) $${flags}" \
549 FFLAGS="$(FFLAGS) $${flags}" \
550 ADAFLAGS="$(ADAFLAGS) $${flags}" \
551 prefix="$(prefix)" \
552 exec_prefix="$(exec_prefix)" \
553 GCJFLAGS="$(GCJFLAGS) $${flags}" \
554 CXXFLAGS="$(CXXFLAGS) $${flags}" \
555 LIBCFLAGS="$(LIBCFLAGS) $${flags}" \
556 LIBCXXFLAGS="$(LIBCXXFLAGS) $${flags}" \
557 LDFLAGS="$(LDFLAGS) $${flags}" \
558 MULTIFLAGS="$${flags}" \
559 DESTDIR="$(DESTDIR)" \
560 INSTALL="$(INSTALL)" \
561 INSTALL_DATA="$(INSTALL_DATA)" \
562 INSTALL_PROGRAM="$(INSTALL_PROGRAM)" \
563 INSTALL_SCRIPT="$(INSTALL_SCRIPT)" \
564 $(DO)); then \
565 true; \
566 else \
567 exit 1; \
568 fi; \
569 else true; \
570 fi; \
571 fi; \
572 done; \
573 fi
574
575 # FIXME: There should be an @-sign in front of the `if'.
576 # Leave out until this is tested a bit more.
577 multi-clean:
578 if [ -z "$(MULTIDIRS)" ]; then \
579 true; \
580 else \
581 lib=`${PWD_COMMAND} | sed -e 's,^.*/\([^/][^/]*\)$$,\1,'`; \
582 for dir in Makefile $(MULTIDIRS); do \
583 if [ -f ../$${dir}/$${lib}/Makefile ]; then \
584 if (cd ../$${dir}/$${lib}; $(MAKE) $(FLAGS_TO_PASS) $(DO)); \
585 then true; \
586 else exit 1; \
587 fi; \
588 else true; \
589 fi; \
590 done; \
591 fi
592 EOF
593
594 cat ${Makefile} Multi.tem > Makefile.tem
595 rm -f ${Makefile} Multi.tem
596 mv Makefile.tem ${Makefile}
597
598 fi # ${ml_toplevel_p} = yes
599
600 if [ "${ml_verbose}" = --verbose ]; then
601 echo "Adding multilib support to Makefile in ${ml_realsrcdir}"
602 if [ "${ml_toplevel_p}" = yes ]; then
603 echo "multidirs=${multidirs}"
604 fi
605 echo "with_multisubdir=${with_multisubdir}"
606 fi
607
608 if [ "${srcdir}" = "." ]; then
609 if [ "${with_target_subdir}" != "." ]; then
610 ml_srcdotdot="../"
611 else
612 ml_srcdotdot=""
613 fi
614 else
615 ml_srcdotdot=""
616 fi
617
618 if [ -z "${with_multisubdir}" ]; then
619 ml_subdir=
620 ml_builddotdot=
621 : # ml_srcdotdot= # already set
622 else
623 ml_subdir="/${with_multisubdir}"
624 # The '[^/][^/]*' appears that way to work around a SunOS sed bug.
625 ml_builddotdot=`echo ${with_multisubdir} | sed -e 's:[^/][^/]*:..:g'`/
626 if [ "$srcdir" = "." ]; then
627 ml_srcdotdot=${ml_srcdotdot}${ml_builddotdot}
628 else
629 : # ml_srcdotdot= # already set
630 fi
631 fi
632
633 if [ "${ml_toplevel_p}" = yes ]; then
634 ml_do='$(MAKE)'
635 ml_clean='$(MAKE)'
636 else
637 ml_do=true
638 ml_clean=true
639 fi
640
641 # TOP is used by newlib and should not be used elsewhere for this purpose.
642 # MULTI{SRC,BUILD}TOP are the proper ones to use. MULTISRCTOP is empty
643 # when srcdir != builddir. MULTIBUILDTOP is always some number of ../'s.
644 # FIXME: newlib needs to be updated to use MULTI{SRC,BUILD}TOP so we can
645 # delete TOP. Newlib may wish to continue to use TOP for its own purposes
646 # of course.
647 # MULTIDIRS is non-empty for the cpu top level Makefile (eg: newlib/Makefile)
648 # and lists the subdirectories to recurse into.
649 # MULTISUBDIR is non-empty in each cpu subdirectory's Makefile
650 # (eg: newlib/h8300h/Makefile) and is the installed subdirectory name with
651 # a leading '/'.
652 # MULTIDO is used for targets like all, install, and check where
653 # $(FLAGS_TO_PASS) augmented with the subdir's compiler option is needed.
654 # MULTICLEAN is used for the *clean targets.
655 #
656 # ??? It is possible to merge MULTIDO and MULTICLEAN into one. They are
657 # currently kept separate because we don't want the *clean targets to require
658 # the existence of the compiler (which MULTIDO currently requires) and
659 # therefore we'd have to record the directory options as well as names
660 # (currently we just record the names and use --print-multi-lib to get the
661 # options).
662
663 sed -e "s:^TOP[ ]*=[ ]*\([./]*\)[ ]*$:TOP = ${ml_builddotdot}\1:" \
664 -e "s:^MULTISRCTOP[ ]*=.*$:MULTISRCTOP = ${ml_srcdotdot}:" \
665 -e "s:^MULTIBUILDTOP[ ]*=.*$:MULTIBUILDTOP = ${ml_builddotdot}:" \
666 -e "s:^MULTIDIRS[ ]*=.*$:MULTIDIRS = ${multidirs}:" \
667 -e "s:^MULTISUBDIR[ ]*=.*$:MULTISUBDIR = ${ml_subdir}:" \
668 -e "s:^MULTIDO[ ]*=.*$:MULTIDO = $ml_do:" \
669 -e "s:^MULTICLEAN[ ]*=.*$:MULTICLEAN = $ml_clean:" \
670 ${Makefile} > Makefile.tem
671 rm -f ${Makefile}
672 mv Makefile.tem ${Makefile}
673
674 # If this is the library's top level, configure each multilib subdir.
675 # This is done at the end because this is the loop that runs configure
676 # in each multilib subdir and it seemed reasonable to finish updating the
677 # Makefile before going on to configure the subdirs.
678
679 if [ "${ml_toplevel_p}" = yes ]; then
680
681 # We must freshly configure each subdirectory. This bit of code is
682 # actually partially stolen from the main configure script. FIXME.
683
684 if [ -n "${multidirs}" ] && [ -z "${ml_norecursion}" ]; then
685
686 if [ "${ml_verbose}" = --verbose ]; then
687 echo "Running configure in multilib subdirs ${multidirs}"
688 echo "pwd: `${PWDCMD-pwd}`"
689 fi
690
691 ml_origdir=`${PWDCMD-pwd}`
692 ml_libdir=`echo $ml_origdir | sed -e 's,^.*/,,'`
693 # cd to top-level-build-dir/${with_target_subdir}
694 cd ..
695
696 for ml_dir in ${multidirs}; do
697
698 if [ "${ml_verbose}" = --verbose ]; then
699 echo "Running configure in multilib subdir ${ml_dir}"
700 echo "pwd: `${PWDCMD-pwd}`"
701 fi
702
703 if [ -d ${ml_dir} ]; then true; else
704 # ``mkdir -p ${ml_dir}'' See also mkinstalldirs.
705 pathcomp=""
706 for d in `echo ":${ml_dir}" | sed -ne 's/^:\//#/;s/^://;s/\// /g;s/^#/\//;p'`; do
707 pathcomp="$pathcomp$d"
708 case "$pathcomp" in
709 -* ) pathcomp=./$pathcomp ;;
710 esac
711 if test ! -d "$pathcomp"; then
712 echo "mkdir $pathcomp" 1>&2
713 mkdir "$pathcomp" > /dev/null 2>&1 || lasterr=$?
714 fi
715 if test ! -d "$pathcomp"; then
716 exit $lasterr
717 fi
718 pathcomp="$pathcomp/"
719 done
720 fi
721 if [ -d ${ml_dir}/${ml_libdir} ]; then true; else mkdir ${ml_dir}/${ml_libdir}; fi
722
723 # Eg: if ${ml_dir} = m68000/m68881, dotdot = ../../
724 dotdot=../`echo ${ml_dir} | sed -e 's|[^/]||g' -e 's|/|../|g'`
725
726 case ${srcdir} in
727 ".")
728 echo Building symlink tree in `${PWDCMD-pwd}`/${ml_dir}/${ml_libdir}
729 if [ "${with_target_subdir}" != "." ]; then
730 ml_unsubdir="../"
731 else
732 ml_unsubdir=""
733 fi
734 (cd ${ml_dir}/${ml_libdir};
735 ../${dotdot}${ml_unsubdir}symlink-tree ../${dotdot}${ml_unsubdir}${ml_libdir} "")
736 if [ -f ${ml_dir}/${ml_libdir}/Makefile ]; then
737 if [ x"${MAKE}" = x ]; then
738 (cd ${ml_dir}/${ml_libdir}; make distclean)
739 else
740 (cd ${ml_dir}/${ml_libdir}; ${MAKE} distclean)
741 fi
742 fi
743 ml_newsrcdir="."
744 ml_srcdiroption=
745 multisrctop=${dotdot}
746 ;;
747 *)
748 case "${srcdir}" in
749 /* | [A-Za-z]:[\\/]* ) # absolute path
750 ml_newsrcdir=${srcdir}
751 ;;
752 *) # otherwise relative
753 ml_newsrcdir=${dotdot}${srcdir}
754 ;;
755 esac
756 ml_srcdiroption="-srcdir=${ml_newsrcdir}"
757 multisrctop=
758 ;;
759 esac
760
761 case "${progname}" in
762 /* | [A-Za-z]:[\\/]* ) ml_recprog=${progname} ;;
763 *) ml_recprog=${dotdot}${progname} ;;
764 esac
765
766 # FIXME: POPDIR=${PWD=`pwd`} doesn't work here.
767 ML_POPDIR=`${PWDCMD-pwd}`
768 cd ${ml_dir}/${ml_libdir}
769
770 if [ -f ${ml_newsrcdir}/configure ]; then
771 ml_recprog="${ml_newsrcdir}/configure"
772 fi
773
774 # find compiler flag corresponding to ${ml_dir}
775 for i in `${CC-gcc} --print-multi-lib 2>/dev/null`; do
776 dir=`echo $i | sed -e 's/;.*$//'`
777 if [ "${dir}" = "${ml_dir}" ]; then
778 flags=`echo $i | sed -e 's/^[^;]*;//' -e 's/@/ -/g'`
779 break
780 fi
781 done
782 ml_config_env='CC="${CC_}$flags" CXX="${CXX_}$flags" F77="${F77_}$flags" GCJ="${GCJ_}$flags"'
783
784 if [ "${with_target_subdir}" = "." ]; then
785 CC_=$CC' '
786 CXX_=$CXX' '
787 F77_=$F77' '
788 GCJ_=$GCJ' '
789 else
790 # Create a regular expression that matches any string as long
791 # as ML_POPDIR.
792 popdir_rx=`echo ${ML_POPDIR} | sed 's,.,.,g'`
793 CC_=
794 for arg in ${CC}; do
795 case $arg in
796 -[BIL]"${ML_POPDIR}"/*)
797 CC_="${CC_}"`echo "X${arg}" | sed -n "s/X\\(-[BIL]${popdir_rx}\\).*/\\1/p"`/${ml_dir}`echo "X${arg}" | sed -n "s/X-[BIL]${popdir_rx}\\(.*\\)/\1/p"`' ' ;;
798 "${ML_POPDIR}"/*)
799 CC_="${CC_}"`echo "X${arg}" | sed -n "s/X\\(${popdir_rx}\\).*/\\1/p"`/${ml_dir}`echo "X${arg}" | sed -n "s/X${popdir_rx}\\(.*\\)/\\1/p"`' ' ;;
800 *)
801 CC_="${CC_}${arg} " ;;
802 esac
803 done
804
805 CXX_=
806 for arg in ${CXX}; do
807 case $arg in
808 -[BIL]"${ML_POPDIR}"/*)
809 CXX_="${CXX_}"`echo "X${arg}" | sed -n "s/X\\(-[BIL]${popdir_rx}\\).*/\\1/p"`/${ml_dir}`echo "X${arg}" | sed -n "s/X-[BIL]${popdir_rx}\\(.*\\)/\\1/p"`' ' ;;
810 "${ML_POPDIR}"/*)
811 CXX_="${CXX_}"`echo "X${arg}" | sed -n "s/X\\(${popdir_rx}\\).*/\\1/p"`/${ml_dir}`echo "X${arg}" | sed -n "s/X${popdir_rx}\\(.*\\)/\\1/p"`' ' ;;
812 *)
813 CXX_="${CXX_}${arg} " ;;
814 esac
815 done
816
817 F77_=
818 for arg in ${F77}; do
819 case $arg in
820 -[BIL]"${ML_POPDIR}"/*)
821 F77_="${F77_}"`echo "X${arg}" | sed -n "s/X\\(-[BIL]${popdir_rx}\\).*/\\1/p"`/${ml_dir}`echo "X${arg}" | sed -n "s/X-[BIL]${popdir_rx}\\(.*\\)/\\1/p"`' ' ;;
822 "${ML_POPDIR}"/*)
823 F77_="${F77_}"`echo "X${arg}" | sed -n "s/X\\(${popdir_rx}\\).*/\\1/p"`/${ml_dir}`echo "X${arg}" | sed -n "s/X${popdir_rx}\\(.*\\)/\\1/p"`' ' ;;
824 *)
825 F77_="${F77_}${arg} " ;;
826 esac
827 done
828
829 GCJ_=
830 for arg in ${GCJ}; do
831 case $arg in
832 -[BIL]"${ML_POPDIR}"/*)
833 GCJ_="${GCJ_}"`echo "X${arg}" | sed -n "s/X\\(-[BIL]${popdir_rx}\\).*/\\1/p"`/${ml_dir}`echo "X${arg}" | sed -n "s/X-[BIL]${popdir_rx}\\(.*\\)/\\1/p"`' ' ;;
834 "${ML_POPDIR}"/*)
835 GCJ_="${GCJ_}"`echo "X${arg}" | sed -n "s/X\\(${popdir_rx}\\).*/\\1/p"`/${ml_dir}`echo "X${arg}" | sed -n "s/X${popdir_rx}\\(.*\\)/\\1/p"`' ' ;;
836 *)
837 GCJ_="${GCJ_}${arg} " ;;
838 esac
839 done
840
841 if test "x${LD_LIBRARY_PATH+set}" = xset; then
842 LD_LIBRARY_PATH_=
843 for arg in `echo "$LD_LIBRARY_PATH" | tr ':' ' '`; do
844 case "$arg" in
845 "${ML_POPDIR}"/*)
846 arg=`echo "X${arg}" | sed -n "s/X\\(${popdir_rx}\\).*/\\1/p"`/${ml_dir}`echo "X${arg}" | sed -n "s/X${popdir_rx}\\(.*\\)/\\1/p"`
847 ;;
848 esac
849 if test "x$LD_LIBRARY_PATH_" != x; then
850 LD_LIBRARY_PATH_=$LD_LIBRARY_PATH_:$arg
851 else
852 LD_LIBRARY_PATH_=$arg
853 fi
854 done
855 ml_config_env="$ml_config_env LD_LIBRARY_PATH=$LD_LIBRARY_PATH_"
856 fi
857
858 if test "x${SHLIB_PATH+set}" = xset; then
859 SHLIB_PATH_=
860 for arg in `echo "$SHLIB_PATH" | tr ':' ' '`; do
861 case "$arg" in
862 "${ML_POPDIR}"/*)
863 arg=`echo "X${arg}" | sed -n "s/X\\(${popdir_rx}\\).*/\\1/p"`/${ml_dir}`echo "X${arg}" | sed -n "s/X${popdir_rx}\\(.*\\)/\\1/p"`
864 ;;
865 esac
866 if test "x$SHLIB_PATH_" != x; then
867 SHLIB_PATH_=$SHLIB_PATH_:$arg
868 else
869 SHLIB_PATH_=$arg
870 fi
871 done
872 ml_config_env="$ml_config_env SHLIB_PATH=$SHLIB_PATH_"
873 fi
874 fi
875
876 if eval ${ml_config_env} ${ml_config_shell} ${ml_recprog} \
877 --with-multisubdir=${ml_dir} --with-multisrctop=${multisrctop} \
878 ${ac_configure_args} ${ml_srcdiroption} ; then
879 true
880 else
881 exit 1
882 fi
883
884 cd ${ML_POPDIR}
885
886 done
887
888 cd ${ml_origdir}
889 fi
890
891 fi # ${ml_toplevel_p} = yes
892 fi # ${enable_multilib} = yes