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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 # 2005, 2006, 2007, 2008, 2010, 2011, 2014 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., 51 Franklin Street, Fifth Floor,
20 # Boston, MA 02110-1301, 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.ac.
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 scan_arguments ()
109 {
110 ml_verbose=--verbose
111 for option
112 do
113 # Strip single quotes surrounding individual options, that is, remove one
114 # level of shell quoting for these.
115 case $option in
116 \'*\') eval option=$option ;;
117 esac
118
119 case $option in
120 --*) ;;
121 -*) option=-$option ;;
122 esac
123
124 case $option in
125 --*=*)
126 optarg=`echo $option | sed -e 's/^[^=]*=//'`
127 ;;
128 esac
129
130 case $option in
131 --disable-*)
132 enableopt=`echo ${option} | sed 's:^--disable-:enable_:;s:-:_:g'`
133 eval $enableopt=no
134 ;;
135 --enable-*)
136 case "$option" in
137 *=*) ;;
138 *) optarg=yes ;;
139 esac
140 enableopt=`echo ${option} | sed 's:^--::;s:=.*$::;s:-:_:g'`
141 # enable_shared and enable_static are handled by configure.
142 # Don't undo its work.
143 case $enableopt in
144 enable_shared | enable_static) ;;
145 *) eval $enableopt='$optarg' ;;
146 esac
147 ;;
148 --norecursion | --no-recursion)
149 ml_norecursion=yes
150 ;;
151 --silent | --sil* | --quiet | --q*)
152 ml_verbose=--silent
153 ;;
154 --verbose | --v | --verb*)
155 ml_verbose=--verbose
156 ;;
157 --with-*)
158 case "$option" in
159 *=*) ;;
160 *) optarg=yes ;;
161 esac
162 withopt=`echo ${option} | sed 's:^--::;s:=.*$::;s:-:_:g'`
163 eval $withopt='$optarg'
164 ;;
165 --without-*)
166 withopt=`echo ${option} | sed 's:^--::;s:out::;s:-:_:g'`
167 eval $withopt=no
168 ;;
169 esac
170 done
171 }
172 # Use eval to properly handle configure arguments such as
173 # --enable-foo='--enable-a=1 --enable-b=2 --enable-c=3'.
174 eval scan_arguments "${ac_configure_args}"
175 unset scan_arguments
176
177 # Only do this if --enable-multilib.
178 if [ "${enable_multilib}" = yes ]; then
179
180 # Compute whether this is the library's top level directory
181 # (ie: not a multilib subdirectory, and not a subdirectory like newlib/src).
182 # ${with_multisubdir} tells us we're in the right branch, but we could be
183 # in a subdir of that.
184 # ??? The previous version could void this test by separating the process into
185 # two files: one that only the library's toplevel configure.ac ran (to
186 # configure the multilib subdirs), and another that all configure.ac's ran to
187 # update the Makefile. It seemed reasonable to collapse all multilib support
188 # into one file, but it does leave us with having to perform this test.
189 ml_toplevel_p=no
190 if [ -z "${with_multisubdir}" ]; then
191 if [ "${srcdir}" = "." ]; then
192 # Use ${ml_realsrcdir} instead of ${srcdir} here to account for ${subdir}.
193 # ${with_target_subdir} = "." for native, otherwise target alias.
194 if [ "${with_target_subdir}" = "." ]; then
195 if [ -f ${ml_realsrcdir}/../config-ml.in ]; then
196 ml_toplevel_p=yes
197 fi
198 else
199 if [ -f ${ml_realsrcdir}/../../config-ml.in ]; then
200 ml_toplevel_p=yes
201 fi
202 fi
203 else
204 # Use ${ml_realsrcdir} instead of ${srcdir} here to account for ${subdir}.
205 if [ -f ${ml_realsrcdir}/../config-ml.in ]; then
206 ml_toplevel_p=yes
207 fi
208 fi
209 fi
210
211 # If this is the library's top level directory, set multidirs to the
212 # multilib subdirs to support. This lives at the top because we need
213 # `multidirs' set right away.
214
215 if [ "${ml_toplevel_p}" = yes ]; then
216
217 multidirs=
218 for i in `${CC-gcc} --print-multi-lib 2>/dev/null`; do
219 dir=`echo $i | sed -e 's/;.*$//'`
220 if [ "${dir}" = "." ]; then
221 true
222 else
223 if [ -z "${multidirs}" ]; then
224 multidirs="${dir}"
225 else
226 multidirs="${multidirs} ${dir}"
227 fi
228 fi
229 done
230
231 # Target libraries are configured for the host they run on, so we check
232 # $host here, not $target.
233
234 case "${host}" in
235 arm-*-*)
236 if [ x"$enable_fpu" = xno ]
237 then
238 old_multidirs=${multidirs}
239 multidirs=""
240 for x in ${old_multidirs}; do
241 case "${x}" in
242 *fpu*) : ;;
243 *) multidirs="${multidirs} ${x}" ;;
244 esac
245 done
246 fi
247 if [ x"$enable_26bit" = xno ]
248 then
249 old_multidirs=${multidirs}
250 multidirs=""
251 for x in ${old_multidirs}; do
252 case "${x}" in
253 *26bit*) : ;;
254 *) multidirs="${multidirs} ${x}" ;;
255 esac
256 done
257 fi
258 if [ x"$enable_underscore" = xno ]
259 then
260 old_multidirs=${multidirs}
261 multidirs=""
262 for x in ${old_multidirs}; do
263 case "${x}" in
264 *under*) : ;;
265 *) multidirs="${multidirs} ${x}" ;;
266 esac
267 done
268 fi
269 if [ x"$enable_interwork" = xno ]
270 then
271 old_multidirs=${multidirs}
272 multidirs=""
273 for x in ${old_multidirs}; do
274 case "${x}" in
275 *interwork*) : ;;
276 *) multidirs="${multidirs} ${x}" ;;
277 esac
278 done
279 fi
280 if [ x$enable_biendian = xno ]
281 then
282 old_multidirs="${multidirs}"
283 multidirs=""
284 for x in ${old_multidirs}; do
285 case "$x" in
286 *le* ) : ;;
287 *be* ) : ;;
288 *) multidirs="${multidirs} ${x}" ;;
289 esac
290 done
291 fi
292 if [ x"$enable_nofmult" = xno ]
293 then
294 old_multidirs="${multidirs}"
295 multidirs=""
296 for x in ${old_multidirs}; do
297 case "$x" in
298 *nofmult* ) : ;;
299 *) multidirs="${multidirs} ${x}" ;;
300 esac
301 done
302 fi
303 ;;
304 m68*-*-*)
305 if [ x$enable_softfloat = xno ]
306 then
307 old_multidirs="${multidirs}"
308 multidirs=""
309 for x in ${old_multidirs}; do
310 case "$x" in
311 *soft-float* ) : ;;
312 *) multidirs="${multidirs} ${x}" ;;
313 esac
314 done
315 fi
316 if [ x$enable_m68881 = xno ]
317 then
318 old_multidirs="${multidirs}"
319 multidirs=""
320 for x in ${old_multidirs}; do
321 case "$x" in
322 *m68881* ) : ;;
323 *) multidirs="${multidirs} ${x}" ;;
324 esac
325 done
326 fi
327 if [ x$enable_m68000 = xno ]
328 then
329 old_multidirs="${multidirs}"
330 multidirs=""
331 for x in ${old_multidirs}; do
332 case "$x" in
333 *m68000* ) : ;;
334 *) multidirs="${multidirs} ${x}" ;;
335 esac
336 done
337 fi
338 if [ x$enable_m68020 = xno ]
339 then
340 old_multidirs="${multidirs}"
341 multidirs=""
342 for x in ${old_multidirs}; do
343 case "$x" in
344 *m68020* ) : ;;
345 *) multidirs="${multidirs} ${x}" ;;
346 esac
347 done
348 fi
349 ;;
350 mips*-*-*)
351 if [ x$enable_single_float = xno ]
352 then
353 old_multidirs="${multidirs}"
354 multidirs=""
355 for x in ${old_multidirs}; do
356 case "$x" in
357 *single* ) : ;;
358 *) multidirs="${multidirs} ${x}" ;;
359 esac
360 done
361 fi
362 if [ x$enable_biendian = xno ]
363 then
364 old_multidirs="${multidirs}"
365 multidirs=""
366 for x in ${old_multidirs}; do
367 case "$x" in
368 *el* ) : ;;
369 *eb* ) : ;;
370 *) multidirs="${multidirs} ${x}" ;;
371 esac
372 done
373 fi
374 if [ x$enable_softfloat = xno ]
375 then
376 old_multidirs="${multidirs}"
377 multidirs=""
378 for x in ${old_multidirs}; do
379 case "$x" in
380 *soft-float* ) : ;;
381 *) multidirs="${multidirs} ${x}" ;;
382 esac
383 done
384 fi
385 ;;
386 powerpc*-*-* | rs6000*-*-*)
387 if [ x$enable_aix64 = xno ]
388 then
389 old_multidirs="${multidirs}"
390 multidirs=""
391 for x in ${old_multidirs}; do
392 case "$x" in
393 *ppc64* ) : ;;
394 *) multidirs="${multidirs} ${x}" ;;
395 esac
396 done
397 fi
398 if [ x$enable_pthread = xno ]
399 then
400 old_multidirs="${multidirs}"
401 multidirs=""
402 for x in ${old_multidirs}; do
403 case "$x" in
404 *pthread* ) : ;;
405 *) multidirs="${multidirs} ${x}" ;;
406 esac
407 done
408 fi
409 if [ x$enable_softfloat = xno ]
410 then
411 old_multidirs="${multidirs}"
412 multidirs=""
413 for x in ${old_multidirs}; do
414 case "$x" in
415 *soft-float* ) : ;;
416 *) multidirs="${multidirs} ${x}" ;;
417 esac
418 done
419 fi
420 if [ x$enable_powercpu = xno ]
421 then
422 old_multidirs="${multidirs}"
423 multidirs=""
424 for x in ${old_multidirs}; do
425 case "$x" in
426 power | */power | */power/* ) : ;;
427 *) multidirs="${multidirs} ${x}" ;;
428 esac
429 done
430 fi
431 if [ x$enable_powerpccpu = xno ]
432 then
433 old_multidirs="${multidirs}"
434 multidirs=""
435 for x in ${old_multidirs}; do
436 case "$x" in
437 *powerpc* ) : ;;
438 *) multidirs="${multidirs} ${x}" ;;
439 esac
440 done
441 fi
442 if [ x$enable_powerpcos = xno ]
443 then
444 old_multidirs="${multidirs}"
445 multidirs=""
446 for x in ${old_multidirs}; do
447 case "$x" in
448 *mcall-linux* | *mcall-solaris* ) : ;;
449 *) multidirs="${multidirs} ${x}" ;;
450 esac
451 done
452 fi
453 if [ x$enable_biendian = xno ]
454 then
455 old_multidirs="${multidirs}"
456 multidirs=""
457 for x in ${old_multidirs}; do
458 case "$x" in
459 *mlittle* | *mbig* ) : ;;
460 *) multidirs="${multidirs} ${x}" ;;
461 esac
462 done
463 fi
464 if [ x$enable_sysv = xno ]
465 then
466 old_multidirs="${multidirs}"
467 multidirs=""
468 for x in ${old_multidirs}; do
469 case "$x" in
470 *mcall-sysv* ) : ;;
471 *) multidirs="${multidirs} ${x}" ;;
472 esac
473 done
474 fi
475 ;;
476 esac
477
478 # Remove extraneous blanks from multidirs.
479 # Tests like `if [ -n "$multidirs" ]' require it.
480 multidirs=`echo "$multidirs" | sed -e 's/^[ ][ ]*//' -e 's/[ ][ ]*$//' -e 's/[ ][ ]*/ /g'`
481
482 # Add code to library's top level makefile to handle building the multilib
483 # subdirs.
484
485 cat > Multi.tem <<\EOF
486
487 PWD_COMMAND=$${PWDCMD-pwd}
488
489 # FIXME: There should be an @-sign in front of the `if'.
490 # Leave out until this is tested a bit more.
491 multi-do:
492 if [ -z "$(MULTIDIRS)" ]; then \
493 true; \
494 else \
495 rootpre=`${PWD_COMMAND}`/; export rootpre; \
496 srcrootpre=`cd $(srcdir); ${PWD_COMMAND}`/; export srcrootpre; \
497 lib=`echo "$${rootpre}" | sed -e 's,^.*/\([^/][^/]*\)/$$,\1,'`; \
498 compiler="$(CC)"; \
499 for i in `$${compiler} --print-multi-lib 2>/dev/null`; do \
500 dir=`echo $$i | sed -e 's/;.*$$//'`; \
501 if [ "$${dir}" = "." ]; then \
502 true; \
503 else \
504 if [ -d ../$${dir}/$${lib} ]; then \
505 flags=`echo $$i | sed -e 's/^[^;]*;//' -e 's/@/ -/g'`; \
506 if (cd ../$${dir}/$${lib}; $(MAKE) $(FLAGS_TO_PASS) \
507 CFLAGS="$(CFLAGS) $${flags}" \
508 CCASFLAGS="$(CCASFLAGS) $${flags}" \
509 FCFLAGS="$(FCFLAGS) $${flags}" \
510 FFLAGS="$(FFLAGS) $${flags}" \
511 ADAFLAGS="$(ADAFLAGS) $${flags}" \
512 prefix="$(prefix)" \
513 exec_prefix="$(exec_prefix)" \
514 GOCFLAGS="$(GOCFLAGS) $${flags}" \
515 CXXFLAGS="$(CXXFLAGS) $${flags}" \
516 LIBCFLAGS="$(LIBCFLAGS) $${flags}" \
517 LIBCXXFLAGS="$(LIBCXXFLAGS) $${flags}" \
518 LDFLAGS="$(LDFLAGS) $${flags}" \
519 MULTIFLAGS="$${flags}" \
520 DESTDIR="$(DESTDIR)" \
521 INSTALL="$(INSTALL)" \
522 INSTALL_DATA="$(INSTALL_DATA)" \
523 INSTALL_PROGRAM="$(INSTALL_PROGRAM)" \
524 INSTALL_SCRIPT="$(INSTALL_SCRIPT)" \
525 $(DO)); then \
526 true; \
527 else \
528 exit 1; \
529 fi; \
530 else true; \
531 fi; \
532 fi; \
533 done; \
534 fi
535
536 # FIXME: There should be an @-sign in front of the `if'.
537 # Leave out until this is tested a bit more.
538 multi-clean:
539 if [ -z "$(MULTIDIRS)" ]; then \
540 true; \
541 else \
542 lib=`${PWD_COMMAND} | sed -e 's,^.*/\([^/][^/]*\)$$,\1,'`; \
543 for dir in : $(MULTIDIRS); do \
544 test $$dir != : || continue; \
545 EOF
546 cat >>Multi.tem <<EOF
547 if [ -f ../\$\${dir}/\$\${lib}/${Makefile} ]; then \\
548 EOF
549 cat >>Multi.tem <<\EOF
550 if (cd ../$${dir}/$${lib}; $(MAKE) $(FLAGS_TO_PASS) $(DO)); \
551 then true; \
552 else exit 1; \
553 fi; \
554 else true; \
555 fi; \
556 done; \
557 fi
558 EOF
559
560 cat ${Makefile} Multi.tem > Makefile.tem
561 rm -f ${Makefile} Multi.tem
562 mv Makefile.tem ${Makefile}
563
564 fi # ${ml_toplevel_p} = yes
565
566 if [ "${ml_verbose}" = --verbose ]; then
567 echo "Adding multilib support to ${Makefile} in ${ml_realsrcdir}"
568 if [ "${ml_toplevel_p}" = yes ]; then
569 echo "multidirs=${multidirs}"
570 fi
571 echo "with_multisubdir=${with_multisubdir}"
572 fi
573
574 if [ "${srcdir}" = "." ]; then
575 if [ "${with_target_subdir}" != "." ]; then
576 ml_srcdotdot="../"
577 else
578 ml_srcdotdot=""
579 fi
580 else
581 ml_srcdotdot=""
582 fi
583
584 if [ -z "${with_multisubdir}" ]; then
585 ml_subdir=
586 ml_builddotdot=
587 : # ml_srcdotdot= # already set
588 else
589 ml_subdir="/${with_multisubdir}"
590 # The '[^/][^/]*' appears that way to work around a SunOS sed bug.
591 ml_builddotdot=`echo ${with_multisubdir} | sed -e 's:[^/][^/]*:..:g'`/
592 if [ "$srcdir" = "." ]; then
593 ml_srcdotdot=${ml_srcdotdot}${ml_builddotdot}
594 else
595 : # ml_srcdotdot= # already set
596 fi
597 fi
598
599 if [ "${ml_toplevel_p}" = yes ]; then
600 ml_do='$(MAKE)'
601 ml_clean='$(MAKE)'
602 else
603 ml_do=true
604 ml_clean=true
605 fi
606
607 # TOP is used by newlib and should not be used elsewhere for this purpose.
608 # MULTI{SRC,BUILD}TOP are the proper ones to use. MULTISRCTOP is empty
609 # when srcdir != builddir. MULTIBUILDTOP is always some number of ../'s.
610 # FIXME: newlib needs to be updated to use MULTI{SRC,BUILD}TOP so we can
611 # delete TOP. Newlib may wish to continue to use TOP for its own purposes
612 # of course.
613 # MULTIDIRS is non-empty for the cpu top level Makefile (eg: newlib/Makefile)
614 # and lists the subdirectories to recurse into.
615 # MULTISUBDIR is non-empty in each cpu subdirectory's Makefile
616 # (eg: newlib/h8300h/Makefile) and is the installed subdirectory name with
617 # a leading '/'.
618 # MULTIDO is used for targets like all, install, and check where
619 # $(FLAGS_TO_PASS) augmented with the subdir's compiler option is needed.
620 # MULTICLEAN is used for the *clean targets.
621 #
622 # ??? It is possible to merge MULTIDO and MULTICLEAN into one. They are
623 # currently kept separate because we don't want the *clean targets to require
624 # the existence of the compiler (which MULTIDO currently requires) and
625 # therefore we'd have to record the directory options as well as names
626 # (currently we just record the names and use --print-multi-lib to get the
627 # options).
628
629 sed -e "s:^TOP[ ]*=[ ]*\([./]*\)[ ]*$:TOP = ${ml_builddotdot}\1:" \
630 -e "s:^MULTISRCTOP[ ]*=.*$:MULTISRCTOP = ${ml_srcdotdot}:" \
631 -e "s:^MULTIBUILDTOP[ ]*=.*$:MULTIBUILDTOP = ${ml_builddotdot}:" \
632 -e "s:^MULTIDIRS[ ]*=.*$:MULTIDIRS = ${multidirs}:" \
633 -e "s:^MULTISUBDIR[ ]*=.*$:MULTISUBDIR = ${ml_subdir}:" \
634 -e "s:^MULTIDO[ ]*=.*$:MULTIDO = $ml_do:" \
635 -e "s:^MULTICLEAN[ ]*=.*$:MULTICLEAN = $ml_clean:" \
636 ${Makefile} > Makefile.tem
637 rm -f ${Makefile}
638 mv Makefile.tem ${Makefile}
639
640 # If this is the library's top level, configure each multilib subdir.
641 # This is done at the end because this is the loop that runs configure
642 # in each multilib subdir and it seemed reasonable to finish updating the
643 # Makefile before going on to configure the subdirs.
644
645 if [ "${ml_toplevel_p}" = yes ]; then
646
647 # We must freshly configure each subdirectory. This bit of code is
648 # actually partially stolen from the main configure script. FIXME.
649
650 if [ -n "${multidirs}" ] && [ -z "${ml_norecursion}" ]; then
651
652 if [ "${ml_verbose}" = --verbose ]; then
653 echo "Running configure in multilib subdirs ${multidirs}"
654 echo "pwd: `${PWDCMD-pwd}`"
655 fi
656
657 ml_origdir=`${PWDCMD-pwd}`
658 ml_libdir=`echo "$ml_origdir" | sed -e 's,^.*/,,'`
659 # cd to top-level-build-dir/${with_target_subdir}
660 cd ..
661
662 for ml_dir in ${multidirs}; do
663
664 if [ "${ml_verbose}" = --verbose ]; then
665 echo "Running configure in multilib subdir ${ml_dir}"
666 echo "pwd: `${PWDCMD-pwd}`"
667 fi
668
669 if [ -d ${ml_dir} ]; then true; else
670 # ``mkdir -p ${ml_dir}'' See also mkinstalldirs.
671 pathcomp=""
672 for d in `echo ":${ml_dir}" | sed -ne 's/^:\//#/;s/^://;s/\// /g;s/^#/\//;p'`; do
673 pathcomp="$pathcomp$d"
674 case "$pathcomp" in
675 -* ) pathcomp=./$pathcomp ;;
676 esac
677 if test ! -d "$pathcomp"; then
678 echo "mkdir $pathcomp" 1>&2
679 mkdir "$pathcomp" > /dev/null 2>&1 || lasterr=$?
680 fi
681 if test ! -d "$pathcomp"; then
682 exit $lasterr
683 fi
684 pathcomp="$pathcomp/"
685 done
686 fi
687 if [ -d ${ml_dir}/${ml_libdir} ]; then true; else mkdir ${ml_dir}/${ml_libdir}; fi
688
689 # Eg: if ${ml_dir} = m68000/m68881, dotdot = ../../
690 dotdot=../`echo ${ml_dir} | sed -e 's|[^/]||g' -e 's|/|../|g'`
691
692 case ${srcdir} in
693 ".")
694 echo "Building symlink tree in `${PWDCMD-pwd}`/${ml_dir}/${ml_libdir}"
695 if [ "${with_target_subdir}" != "." ]; then
696 ml_unsubdir="../"
697 else
698 ml_unsubdir=""
699 fi
700 (cd ${ml_dir}/${ml_libdir};
701 ../${dotdot}${ml_unsubdir}symlink-tree ../${dotdot}${ml_unsubdir}${ml_libdir} "")
702 if [ -f ${ml_dir}/${ml_libdir}/${Makefile} ]; then
703 if [ x"${MAKE}" = x ]; then
704 (cd ${ml_dir}/${ml_libdir}; make distclean)
705 else
706 (cd ${ml_dir}/${ml_libdir}; ${MAKE} distclean)
707 fi
708 fi
709 ml_newsrcdir="."
710 ml_srcdiroption=
711 multisrctop=${dotdot}
712 ;;
713 *)
714 case "${srcdir}" in
715 /* | [A-Za-z]:[\\/]* ) # absolute path
716 ml_newsrcdir=${srcdir}
717 ;;
718 *) # otherwise relative
719 ml_newsrcdir=${dotdot}${srcdir}
720 ;;
721 esac
722 ml_srcdiroption="-srcdir=${ml_newsrcdir}"
723 multisrctop=
724 ;;
725 esac
726
727 case "${progname}" in
728 /* | [A-Za-z]:[\\/]* ) ml_recprog=${progname} ;;
729 *) ml_recprog=${dotdot}${progname} ;;
730 esac
731
732 # FIXME: POPDIR=${PWD=`pwd`} doesn't work here.
733 ML_POPDIR=`${PWDCMD-pwd}`
734 cd ${ml_dir}/${ml_libdir}
735
736 if [ -f ${ml_newsrcdir}/configure ]; then
737 ml_recprog="${ml_newsrcdir}/configure"
738 fi
739
740 # find compiler flag corresponding to ${ml_dir}
741 for i in `${CC-gcc} --print-multi-lib 2>/dev/null`; do
742 dir=`echo $i | sed -e 's/;.*$//'`
743 if [ "${dir}" = "${ml_dir}" ]; then
744 flags=`echo $i | sed -e 's/^[^;]*;//' -e 's/@/ -/g'`
745 break
746 fi
747 done
748 ml_config_env='CC="${CC_}$flags" CXX="${CXX_}$flags" F77="${F77_}$flags" GFORTRAN="${GFORTRAN_}$flags" GOC="${GOC_}$flags"'
749
750 if [ "${with_target_subdir}" = "." ]; then
751 CC_=$CC' '
752 CXX_=$CXX' '
753 F77_=$F77' '
754 GFORTRAN_=$GFORTRAN' '
755 GOC_=$GOC' '
756 else
757 # Create a regular expression that matches any string as long
758 # as ML_POPDIR.
759 popdir_rx=`echo "${ML_POPDIR}" | sed 's,.,.,g'`
760 CC_=
761 for arg in ${CC}; do
762 case $arg in
763 -[BIL]"${ML_POPDIR}"/*)
764 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"`' ' ;;
765 "${ML_POPDIR}"/*)
766 CC_="${CC_}"`echo "X${arg}" | sed -n "s/X\\(${popdir_rx}\\).*/\\1/p"`/${ml_dir}`echo "X${arg}" | sed -n "s/X${popdir_rx}\\(.*\\)/\\1/p"`' ' ;;
767 *)
768 CC_="${CC_}${arg} " ;;
769 esac
770 done
771
772 CXX_=
773 for arg in ${CXX}; do
774 case $arg in
775 -[BIL]"${ML_POPDIR}"/*)
776 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"`' ' ;;
777 "${ML_POPDIR}"/*)
778 CXX_="${CXX_}"`echo "X${arg}" | sed -n "s/X\\(${popdir_rx}\\).*/\\1/p"`/${ml_dir}`echo "X${arg}" | sed -n "s/X${popdir_rx}\\(.*\\)/\\1/p"`' ' ;;
779 *)
780 CXX_="${CXX_}${arg} " ;;
781 esac
782 done
783
784 F77_=
785 for arg in ${F77}; do
786 case $arg in
787 -[BIL]"${ML_POPDIR}"/*)
788 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"`' ' ;;
789 "${ML_POPDIR}"/*)
790 F77_="${F77_}"`echo "X${arg}" | sed -n "s/X\\(${popdir_rx}\\).*/\\1/p"`/${ml_dir}`echo "X${arg}" | sed -n "s/X${popdir_rx}\\(.*\\)/\\1/p"`' ' ;;
791 *)
792 F77_="${F77_}${arg} " ;;
793 esac
794 done
795
796 GFORTRAN_=
797 for arg in ${GFORTRAN}; do
798 case $arg in
799 -[BIL]"${ML_POPDIR}"/*)
800 GFORTRAN_="${GFORTRAN_}"`echo "X${arg}" | sed -n "s/X\\(-[BIL]${popdir_rx}\\).*/\\1/p"`/${ml_dir}`echo "X${arg}" | sed -n "s/X-[BIL]${popdir_rx}\\(.*\\)/\\1/p"`' ' ;;
801 "${ML_POPDIR}"/*)
802 GFORTRAN_="${GFORTRAN_}"`echo "X${arg}" | sed -n "s/X\\(${popdir_rx}\\).*/\\1/p"`/${ml_dir}`echo "X${arg}" | sed -n "s/X${popdir_rx}\\(.*\\)/\\1/p"`' ' ;;
803 *)
804 GFORTRAN_="${GFORTRAN_}${arg} " ;;
805 esac
806 done
807
808 GOC_=
809 for arg in ${GOC}; do
810 case $arg in
811 -[BIL]"${ML_POPDIR}"/*)
812 GOC_="${GOC_}"`echo "X${arg}" | sed -n "s/X\\(-[BIL]${popdir_rx}\\).*/\\1/p"`/${ml_dir}`echo "X${arg}" | sed -n "s/X-[BIL]${popdir_rx}\\(.*\\)/\\1/p"`' ' ;;
813 "${ML_POPDIR}"/*)
814 GOC_="${GOC_}"`echo "X${arg}" | sed -n "s/X\\(${popdir_rx}\\).*/\\1/p"`/${ml_dir}`echo "X${arg}" | sed -n "s/X${popdir_rx}\\(.*\\)/\\1/p"`' ' ;;
815 *)
816 GOC_="${GOC_}${arg} " ;;
817 esac
818 done
819
820 if test "x${LD_LIBRARY_PATH+set}" = xset; then
821 LD_LIBRARY_PATH_=
822 for arg in `echo "$LD_LIBRARY_PATH" | tr ':' ' '`; do
823 case "$arg" in
824 "${ML_POPDIR}"/*)
825 arg=`echo "X${arg}" | sed -n "s/X\\(${popdir_rx}\\).*/\\1/p"`/${ml_dir}`echo "X${arg}" | sed -n "s/X${popdir_rx}\\(.*\\)/\\1/p"`
826 ;;
827 esac
828 if test "x$LD_LIBRARY_PATH_" != x; then
829 LD_LIBRARY_PATH_=$LD_LIBRARY_PATH_:$arg
830 else
831 LD_LIBRARY_PATH_=$arg
832 fi
833 done
834 ml_config_env="$ml_config_env LD_LIBRARY_PATH=$LD_LIBRARY_PATH_"
835 fi
836
837 if test "x${SHLIB_PATH+set}" = xset; then
838 SHLIB_PATH_=
839 for arg in `echo "$SHLIB_PATH" | tr ':' ' '`; do
840 case "$arg" in
841 "${ML_POPDIR}"/*)
842 arg=`echo "X${arg}" | sed -n "s/X\\(${popdir_rx}\\).*/\\1/p"`/${ml_dir}`echo "X${arg}" | sed -n "s/X${popdir_rx}\\(.*\\)/\\1/p"`
843 ;;
844 esac
845 if test "x$SHLIB_PATH_" != x; then
846 SHLIB_PATH_=$SHLIB_PATH_:$arg
847 else
848 SHLIB_PATH_=$arg
849 fi
850 done
851 ml_config_env="$ml_config_env SHLIB_PATH=$SHLIB_PATH_"
852 fi
853 fi
854
855 if eval ${ml_config_env} ${ml_config_shell} ${ml_recprog} \
856 --with-multisubdir=${ml_dir} --with-multisrctop=${multisrctop} \
857 "${ac_configure_args}" ${ml_config_env} ${ml_srcdiroption} ; then
858 true
859 else
860 exit 1
861 fi
862
863 cd "${ML_POPDIR}"
864
865 done
866
867 cd "${ml_origdir}"
868 fi
869
870 fi # ${ml_toplevel_p} = yes
871 fi # ${enable_multilib} = yes