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1.4.1_vs_1.4.2.
1 #! /bin/sh
2 # depcomp - compile a program generating dependencies as side-effects
3
4 scriptversion=2018-03-07.03; # UTC
5
6 # Copyright (C) 1999-2021 Free Software Foundation, Inc.
7
8 # This program is free software; you can redistribute it and/or modify
9 # it under the terms of the GNU General Public License as published by
10 # the Free Software Foundation; either version 2, or (at your option)
11 # any later version.
12
13 # This program is distributed in the hope that it will be useful,
14 # but WITHOUT ANY WARRANTY; without even the implied warranty of
15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 # GNU General Public License for more details.
17
18 # You should have received a copy of the GNU General Public License
19 # along with this program. If not, see <https://www.gnu.org/licenses/>.
20
21 # As a special exception to the GNU General Public License, if you
22 # distribute this file as part of a program that contains a
23 # configuration script generated by Autoconf, you may include it under
24 # the same distribution terms that you use for the rest of that program.
25
26 # Originally written by Alexandre Oliva <oliva@dcc.unicamp.br>.
27
28 case $1 in
29 '')
30 echo "$0: No command. Try '$0 --help' for more information." 1>&2
31 exit 1;
32 ;;
33 -h | --h*)
34 cat <<\EOF
35 Usage: depcomp [--help] [--version] PROGRAM [ARGS]
36
37 Run PROGRAMS ARGS to compile a file, generating dependencies
38 as side-effects.
39
40 Environment variables:
41 depmode Dependency tracking mode.
42 source Source file read by 'PROGRAMS ARGS'.
43 object Object file output by 'PROGRAMS ARGS'.
44 DEPDIR directory where to store dependencies.
45 depfile Dependency file to output.
46 tmpdepfile Temporary file to use when outputting dependencies.
47 libtool Whether libtool is used (yes/no).
48
49 Report bugs to <bug-automake@gnu.org>.
50 EOF
51 exit $?
52 ;;
53 -v | --v*)
54 echo "depcomp $scriptversion"
55 exit $?
56 ;;
57 esac
58
59 # Get the directory component of the given path, and save it in the
60 # global variables '$dir'. Note that this directory component will
61 # be either empty or ending with a '/' character. This is deliberate.
62 set_dir_from ()
63 {
64 case $1 in
65 */*) dir=`echo "$1" | sed -e 's|/[^/]*$|/|'`;;
66 *) dir=;;
67 esac
68 }
69
70 # Get the suffix-stripped basename of the given path, and save it the
71 # global variable '$base'.
72 set_base_from ()
73 {
74 base=`echo "$1" | sed -e 's|^.*/||' -e 's/\.[^.]*$//'`
75 }
76
77 # If no dependency file was actually created by the compiler invocation,
78 # we still have to create a dummy depfile, to avoid errors with the
79 # Makefile "include basename.Plo" scheme.
80 make_dummy_depfile ()
81 {
82 echo "#dummy" > "$depfile"
83 }
84
85 # Factor out some common post-processing of the generated depfile.
86 # Requires the auxiliary global variable '$tmpdepfile' to be set.
87 aix_post_process_depfile ()
88 {
89 # If the compiler actually managed to produce a dependency file,
90 # post-process it.
91 if test -f "$tmpdepfile"; then
92 # Each line is of the form 'foo.o: dependency.h'.
93 # Do two passes, one to just change these to
94 # $object: dependency.h
95 # and one to simply output
96 # dependency.h:
97 # which is needed to avoid the deleted-header problem.
98 { sed -e "s,^.*\.[$lower]*:,$object:," < "$tmpdepfile"
99 sed -e "s,^.*\.[$lower]*:[$tab ]*,," -e 's,$,:,' < "$tmpdepfile"
100 } > "$depfile"
101 rm -f "$tmpdepfile"
102 else
103 make_dummy_depfile
104 fi
105 }
106
107 # A tabulation character.
108 tab=' '
109 # A newline character.
110 nl='
111 '
112 # Character ranges might be problematic outside the C locale.
113 # These definitions help.
114 upper=ABCDEFGHIJKLMNOPQRSTUVWXYZ
115 lower=abcdefghijklmnopqrstuvwxyz
116 digits=0123456789
117 alpha=${upper}${lower}
118
119 if test -z "$depmode" || test -z "$source" || test -z "$object"; then
120 echo "depcomp: Variables source, object and depmode must be set" 1>&2
121 exit 1
122 fi
123
124 # Dependencies for sub/bar.o or sub/bar.obj go into sub/.deps/bar.Po.
125 depfile=${depfile-`echo "$object" |
126 sed 's|[^\\/]*$|'${DEPDIR-.deps}'/&|;s|\.\([^.]*\)$|.P\1|;s|Pobj$|Po|'`}
127 tmpdepfile=${tmpdepfile-`echo "$depfile" | sed 's/\.\([^.]*\)$/.T\1/'`}
128
129 rm -f "$tmpdepfile"
130
131 # Avoid interferences from the environment.
132 gccflag= dashmflag=
133
134 # Some modes work just like other modes, but use different flags. We
135 # parameterize here, but still list the modes in the big case below,
136 # to make depend.m4 easier to write. Note that we *cannot* use a case
137 # here, because this file can only contain one case statement.
138 if test "$depmode" = hp; then
139 # HP compiler uses -M and no extra arg.
140 gccflag=-M
141 depmode=gcc
142 fi
143
144 if test "$depmode" = dashXmstdout; then
145 # This is just like dashmstdout with a different argument.
146 dashmflag=-xM
147 depmode=dashmstdout
148 fi
149
150 cygpath_u="cygpath -u -f -"
151 if test "$depmode" = msvcmsys; then
152 # This is just like msvisualcpp but w/o cygpath translation.
153 # Just convert the backslash-escaped backslashes to single forward
154 # slashes to satisfy depend.m4
155 cygpath_u='sed s,\\\\,/,g'
156 depmode=msvisualcpp
157 fi
158
159 if test "$depmode" = msvc7msys; then
160 # This is just like msvc7 but w/o cygpath translation.
161 # Just convert the backslash-escaped backslashes to single forward
162 # slashes to satisfy depend.m4
163 cygpath_u='sed s,\\\\,/,g'
164 depmode=msvc7
165 fi
166
167 if test "$depmode" = xlc; then
168 # IBM C/C++ Compilers xlc/xlC can output gcc-like dependency information.
169 gccflag=-qmakedep=gcc,-MF
170 depmode=gcc
171 fi
172
173 case "$depmode" in
174 gcc3)
175 ## gcc 3 implements dependency tracking that does exactly what
176 ## we want. Yay! Note: for some reason libtool 1.4 doesn't like
177 ## it if -MD -MP comes after the -MF stuff. Hmm.
178 ## Unfortunately, FreeBSD c89 acceptance of flags depends upon
179 ## the command line argument order; so add the flags where they
180 ## appear in depend2.am. Note that the slowdown incurred here
181 ## affects only configure: in makefiles, %FASTDEP% shortcuts this.
182 for arg
183 do
184 case $arg in
185 -c) set fnord "$@" -MT "$object" -MD -MP -MF "$tmpdepfile" "$arg" ;;
186 *) set fnord "$@" "$arg" ;;
187 esac
188 shift # fnord
189 shift # $arg
190 done
191 "$@"
192 stat=$?
193 if test $stat -ne 0; then
194 rm -f "$tmpdepfile"
195 exit $stat
196 fi
197 mv "$tmpdepfile" "$depfile"
198 ;;
199
200 gcc)
201 ## Note that this doesn't just cater to obsosete pre-3.x GCC compilers.
202 ## but also to in-use compilers like IMB xlc/xlC and the HP C compiler.
203 ## (see the conditional assignment to $gccflag above).
204 ## There are various ways to get dependency output from gcc. Here's
205 ## why we pick this rather obscure method:
206 ## - Don't want to use -MD because we'd like the dependencies to end
207 ## up in a subdir. Having to rename by hand is ugly.
208 ## (We might end up doing this anyway to support other compilers.)
209 ## - The DEPENDENCIES_OUTPUT environment variable makes gcc act like
210 ## -MM, not -M (despite what the docs say). Also, it might not be
211 ## supported by the other compilers which use the 'gcc' depmode.
212 ## - Using -M directly means running the compiler twice (even worse
213 ## than renaming).
214 if test -z "$gccflag"; then
215 gccflag=-MD,
216 fi
217 "$@" -Wp,"$gccflag$tmpdepfile"
218 stat=$?
219 if test $stat -ne 0; then
220 rm -f "$tmpdepfile"
221 exit $stat
222 fi
223 rm -f "$depfile"
224 echo "$object : \\" > "$depfile"
225 # The second -e expression handles DOS-style file names with drive
226 # letters.
227 sed -e 's/^[^:]*: / /' \
228 -e 's/^['$alpha']:\/[^:]*: / /' < "$tmpdepfile" >> "$depfile"
229 ## This next piece of magic avoids the "deleted header file" problem.
230 ## The problem is that when a header file which appears in a .P file
231 ## is deleted, the dependency causes make to die (because there is
232 ## typically no way to rebuild the header). We avoid this by adding
233 ## dummy dependencies for each header file. Too bad gcc doesn't do
234 ## this for us directly.
235 ## Some versions of gcc put a space before the ':'. On the theory
236 ## that the space means something, we add a space to the output as
237 ## well. hp depmode also adds that space, but also prefixes the VPATH
238 ## to the object. Take care to not repeat it in the output.
239 ## Some versions of the HPUX 10.20 sed can't process this invocation
240 ## correctly. Breaking it into two sed invocations is a workaround.
241 tr ' ' "$nl" < "$tmpdepfile" \
242 | sed -e 's/^\\$//' -e '/^$/d' -e "s|.*$object$||" -e '/:$/d' \
243 | sed -e 's/$/ :/' >> "$depfile"
244 rm -f "$tmpdepfile"
245 ;;
246
247 hp)
248 # This case exists only to let depend.m4 do its work. It works by
249 # looking at the text of this script. This case will never be run,
250 # since it is checked for above.
251 exit 1
252 ;;
253
254 sgi)
255 if test "$libtool" = yes; then
256 "$@" "-Wp,-MDupdate,$tmpdepfile"
257 else
258 "$@" -MDupdate "$tmpdepfile"
259 fi
260 stat=$?
261 if test $stat -ne 0; then
262 rm -f "$tmpdepfile"
263 exit $stat
264 fi
265 rm -f "$depfile"
266
267 if test -f "$tmpdepfile"; then # yes, the sourcefile depend on other files
268 echo "$object : \\" > "$depfile"
269 # Clip off the initial element (the dependent). Don't try to be
270 # clever and replace this with sed code, as IRIX sed won't handle
271 # lines with more than a fixed number of characters (4096 in
272 # IRIX 6.2 sed, 8192 in IRIX 6.5). We also remove comment lines;
273 # the IRIX cc adds comments like '#:fec' to the end of the
274 # dependency line.
275 tr ' ' "$nl" < "$tmpdepfile" \
276 | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' \
277 | tr "$nl" ' ' >> "$depfile"
278 echo >> "$depfile"
279 # The second pass generates a dummy entry for each header file.
280 tr ' ' "$nl" < "$tmpdepfile" \
281 | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' -e 's/$/:/' \
282 >> "$depfile"
283 else
284 make_dummy_depfile
285 fi
286 rm -f "$tmpdepfile"
287 ;;
288
289 xlc)
290 # This case exists only to let depend.m4 do its work. It works by
291 # looking at the text of this script. This case will never be run,
292 # since it is checked for above.
293 exit 1
294 ;;
295
296 aix)
297 # The C for AIX Compiler uses -M and outputs the dependencies
298 # in a .u file. In older versions, this file always lives in the
299 # current directory. Also, the AIX compiler puts '$object:' at the
300 # start of each line; $object doesn't have directory information.
301 # Version 6 uses the directory in both cases.
302 set_dir_from "$object"
303 set_base_from "$object"
304 if test "$libtool" = yes; then
305 tmpdepfile1=$dir$base.u
306 tmpdepfile2=$base.u
307 tmpdepfile3=$dir.libs/$base.u
308 "$@" -Wc,-M
309 else
310 tmpdepfile1=$dir$base.u
311 tmpdepfile2=$dir$base.u
312 tmpdepfile3=$dir$base.u
313 "$@" -M
314 fi
315 stat=$?
316 if test $stat -ne 0; then
317 rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
318 exit $stat
319 fi
320
321 for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
322 do
323 test -f "$tmpdepfile" && break
324 done
325 aix_post_process_depfile
326 ;;
327
328 tcc)
329 # tcc (Tiny C Compiler) understand '-MD -MF file' since version 0.9.26
330 # FIXME: That version still under development at the moment of writing.
331 # Make that this statement remains true also for stable, released
332 # versions.
333 # It will wrap lines (doesn't matter whether long or short) with a
334 # trailing '\', as in:
335 #
336 # foo.o : \
337 # foo.c \
338 # foo.h \
339 #
340 # It will put a trailing '\' even on the last line, and will use leading
341 # spaces rather than leading tabs (at least since its commit 0394caf7
342 # "Emit spaces for -MD").
343 "$@" -MD -MF "$tmpdepfile"
344 stat=$?
345 if test $stat -ne 0; then
346 rm -f "$tmpdepfile"
347 exit $stat
348 fi
349 rm -f "$depfile"
350 # Each non-empty line is of the form 'foo.o : \' or ' dep.h \'.
351 # We have to change lines of the first kind to '$object: \'.
352 sed -e "s|.*:|$object :|" < "$tmpdepfile" > "$depfile"
353 # And for each line of the second kind, we have to emit a 'dep.h:'
354 # dummy dependency, to avoid the deleted-header problem.
355 sed -n -e 's|^ *\(.*\) *\\$|\1:|p' < "$tmpdepfile" >> "$depfile"
356 rm -f "$tmpdepfile"
357 ;;
358
359 ## The order of this option in the case statement is important, since the
360 ## shell code in configure will try each of these formats in the order
361 ## listed in this file. A plain '-MD' option would be understood by many
362 ## compilers, so we must ensure this comes after the gcc and icc options.
363 pgcc)
364 # Portland's C compiler understands '-MD'.
365 # Will always output deps to 'file.d' where file is the root name of the
366 # source file under compilation, even if file resides in a subdirectory.
367 # The object file name does not affect the name of the '.d' file.
368 # pgcc 10.2 will output
369 # foo.o: sub/foo.c sub/foo.h
370 # and will wrap long lines using '\' :
371 # foo.o: sub/foo.c ... \
372 # sub/foo.h ... \
373 # ...
374 set_dir_from "$object"
375 # Use the source, not the object, to determine the base name, since
376 # that's sadly what pgcc will do too.
377 set_base_from "$source"
378 tmpdepfile=$base.d
379
380 # For projects that build the same source file twice into different object
381 # files, the pgcc approach of using the *source* file root name can cause
382 # problems in parallel builds. Use a locking strategy to avoid stomping on
383 # the same $tmpdepfile.
384 lockdir=$base.d-lock
385 trap "
386 echo '$0: caught signal, cleaning up...' >&2
387 rmdir '$lockdir'
388 exit 1
389 " 1 2 13 15
390 numtries=100
391 i=$numtries
392 while test $i -gt 0; do
393 # mkdir is a portable test-and-set.
394 if mkdir "$lockdir" 2>/dev/null; then
395 # This process acquired the lock.
396 "$@" -MD
397 stat=$?
398 # Release the lock.
399 rmdir "$lockdir"
400 break
401 else
402 # If the lock is being held by a different process, wait
403 # until the winning process is done or we timeout.
404 while test -d "$lockdir" && test $i -gt 0; do
405 sleep 1
406 i=`expr $i - 1`
407 done
408 fi
409 i=`expr $i - 1`
410 done
411 trap - 1 2 13 15
412 if test $i -le 0; then
413 echo "$0: failed to acquire lock after $numtries attempts" >&2
414 echo "$0: check lockdir '$lockdir'" >&2
415 exit 1
416 fi
417
418 if test $stat -ne 0; then
419 rm -f "$tmpdepfile"
420 exit $stat
421 fi
422 rm -f "$depfile"
423 # Each line is of the form `foo.o: dependent.h',
424 # or `foo.o: dep1.h dep2.h \', or ` dep3.h dep4.h \'.
425 # Do two passes, one to just change these to
426 # `$object: dependent.h' and one to simply `dependent.h:'.
427 sed "s,^[^:]*:,$object :," < "$tmpdepfile" > "$depfile"
428 # Some versions of the HPUX 10.20 sed can't process this invocation
429 # correctly. Breaking it into two sed invocations is a workaround.
430 sed 's,^[^:]*: \(.*\)$,\1,;s/^\\$//;/^$/d;/:$/d' < "$tmpdepfile" \
431 | sed -e 's/$/ :/' >> "$depfile"
432 rm -f "$tmpdepfile"
433 ;;
434
435 hp2)
436 # The "hp" stanza above does not work with aCC (C++) and HP's ia64
437 # compilers, which have integrated preprocessors. The correct option
438 # to use with these is +Maked; it writes dependencies to a file named
439 # 'foo.d', which lands next to the object file, wherever that
440 # happens to be.
441 # Much of this is similar to the tru64 case; see comments there.
442 set_dir_from "$object"
443 set_base_from "$object"
444 if test "$libtool" = yes; then
445 tmpdepfile1=$dir$base.d
446 tmpdepfile2=$dir.libs/$base.d
447 "$@" -Wc,+Maked
448 else
449 tmpdepfile1=$dir$base.d
450 tmpdepfile2=$dir$base.d
451 "$@" +Maked
452 fi
453 stat=$?
454 if test $stat -ne 0; then
455 rm -f "$tmpdepfile1" "$tmpdepfile2"
456 exit $stat
457 fi
458
459 for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2"
460 do
461 test -f "$tmpdepfile" && break
462 done
463 if test -f "$tmpdepfile"; then
464 sed -e "s,^.*\.[$lower]*:,$object:," "$tmpdepfile" > "$depfile"
465 # Add 'dependent.h:' lines.
466 sed -ne '2,${
467 s/^ *//
468 s/ \\*$//
469 s/$/:/
470 p
471 }' "$tmpdepfile" >> "$depfile"
472 else
473 make_dummy_depfile
474 fi
475 rm -f "$tmpdepfile" "$tmpdepfile2"
476 ;;
477
478 tru64)
479 # The Tru64 compiler uses -MD to generate dependencies as a side
480 # effect. 'cc -MD -o foo.o ...' puts the dependencies into 'foo.o.d'.
481 # At least on Alpha/Redhat 6.1, Compaq CCC V6.2-504 seems to put
482 # dependencies in 'foo.d' instead, so we check for that too.
483 # Subdirectories are respected.
484 set_dir_from "$object"
485 set_base_from "$object"
486
487 if test "$libtool" = yes; then
488 # Libtool generates 2 separate objects for the 2 libraries. These
489 # two compilations output dependencies in $dir.libs/$base.o.d and
490 # in $dir$base.o.d. We have to check for both files, because
491 # one of the two compilations can be disabled. We should prefer
492 # $dir$base.o.d over $dir.libs/$base.o.d because the latter is
493 # automatically cleaned when .libs/ is deleted, while ignoring
494 # the former would cause a distcleancheck panic.
495 tmpdepfile1=$dir$base.o.d # libtool 1.5
496 tmpdepfile2=$dir.libs/$base.o.d # Likewise.
497 tmpdepfile3=$dir.libs/$base.d # Compaq CCC V6.2-504
498 "$@" -Wc,-MD
499 else
500 tmpdepfile1=$dir$base.d
501 tmpdepfile2=$dir$base.d
502 tmpdepfile3=$dir$base.d
503 "$@" -MD
504 fi
505
506 stat=$?
507 if test $stat -ne 0; then
508 rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
509 exit $stat
510 fi
511
512 for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
513 do
514 test -f "$tmpdepfile" && break
515 done
516 # Same post-processing that is required for AIX mode.
517 aix_post_process_depfile
518 ;;
519
520 msvc7)
521 if test "$libtool" = yes; then
522 showIncludes=-Wc,-showIncludes
523 else
524 showIncludes=-showIncludes
525 fi
526 "$@" $showIncludes > "$tmpdepfile"
527 stat=$?
528 grep -v '^Note: including file: ' "$tmpdepfile"
529 if test $stat -ne 0; then
530 rm -f "$tmpdepfile"
531 exit $stat
532 fi
533 rm -f "$depfile"
534 echo "$object : \\" > "$depfile"
535 # The first sed program below extracts the file names and escapes
536 # backslashes for cygpath. The second sed program outputs the file
537 # name when reading, but also accumulates all include files in the
538 # hold buffer in order to output them again at the end. This only
539 # works with sed implementations that can handle large buffers.
540 sed < "$tmpdepfile" -n '
541 /^Note: including file: *\(.*\)/ {
542 s//\1/
543 s/\\/\\\\/g
544 p
545 }' | $cygpath_u | sort -u | sed -n '
546 s/ /\\ /g
547 s/\(.*\)/'"$tab"'\1 \\/p
548 s/.\(.*\) \\/\1:/
549 H
550 $ {
551 s/.*/'"$tab"'/
552 G
553 p
554 }' >> "$depfile"
555 echo >> "$depfile" # make sure the fragment doesn't end with a backslash
556 rm -f "$tmpdepfile"
557 ;;
558
559 msvc7msys)
560 # This case exists only to let depend.m4 do its work. It works by
561 # looking at the text of this script. This case will never be run,
562 # since it is checked for above.
563 exit 1
564 ;;
565
566 #nosideeffect)
567 # This comment above is used by automake to tell side-effect
568 # dependency tracking mechanisms from slower ones.
569
570 dashmstdout)
571 # Important note: in order to support this mode, a compiler *must*
572 # always write the preprocessed file to stdout, regardless of -o.
573 "$@" || exit $?
574
575 # Remove the call to Libtool.
576 if test "$libtool" = yes; then
577 while test "X$1" != 'X--mode=compile'; do
578 shift
579 done
580 shift
581 fi
582
583 # Remove '-o $object'.
584 IFS=" "
585 for arg
586 do
587 case $arg in
588 -o)
589 shift
590 ;;
591 $object)
592 shift
593 ;;
594 *)
595 set fnord "$@" "$arg"
596 shift # fnord
597 shift # $arg
598 ;;
599 esac
600 done
601
602 test -z "$dashmflag" && dashmflag=-M
603 # Require at least two characters before searching for ':'
604 # in the target name. This is to cope with DOS-style filenames:
605 # a dependency such as 'c:/foo/bar' could be seen as target 'c' otherwise.
606 "$@" $dashmflag |
607 sed "s|^[$tab ]*[^:$tab ][^:][^:]*:[$tab ]*|$object: |" > "$tmpdepfile"
608 rm -f "$depfile"
609 cat < "$tmpdepfile" > "$depfile"
610 # Some versions of the HPUX 10.20 sed can't process this sed invocation
611 # correctly. Breaking it into two sed invocations is a workaround.
612 tr ' ' "$nl" < "$tmpdepfile" \
613 | sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' \
614 | sed -e 's/$/ :/' >> "$depfile"
615 rm -f "$tmpdepfile"
616 ;;
617
618 dashXmstdout)
619 # This case only exists to satisfy depend.m4. It is never actually
620 # run, as this mode is specially recognized in the preamble.
621 exit 1
622 ;;
623
624 makedepend)
625 "$@" || exit $?
626 # Remove any Libtool call
627 if test "$libtool" = yes; then
628 while test "X$1" != 'X--mode=compile'; do
629 shift
630 done
631 shift
632 fi
633 # X makedepend
634 shift
635 cleared=no eat=no
636 for arg
637 do
638 case $cleared in
639 no)
640 set ""; shift
641 cleared=yes ;;
642 esac
643 if test $eat = yes; then
644 eat=no
645 continue
646 fi
647 case "$arg" in
648 -D*|-I*)
649 set fnord "$@" "$arg"; shift ;;
650 # Strip any option that makedepend may not understand. Remove
651 # the object too, otherwise makedepend will parse it as a source file.
652 -arch)
653 eat=yes ;;
654 -*|$object)
655 ;;
656 *)
657 set fnord "$@" "$arg"; shift ;;
658 esac
659 done
660 obj_suffix=`echo "$object" | sed 's/^.*\././'`
661 touch "$tmpdepfile"
662 ${MAKEDEPEND-makedepend} -o"$obj_suffix" -f"$tmpdepfile" "$@"
663 rm -f "$depfile"
664 # makedepend may prepend the VPATH from the source file name to the object.
665 # No need to regex-escape $object, excess matching of '.' is harmless.
666 sed "s|^.*\($object *:\)|\1|" "$tmpdepfile" > "$depfile"
667 # Some versions of the HPUX 10.20 sed can't process the last invocation
668 # correctly. Breaking it into two sed invocations is a workaround.
669 sed '1,2d' "$tmpdepfile" \
670 | tr ' ' "$nl" \
671 | sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' \
672 | sed -e 's/$/ :/' >> "$depfile"
673 rm -f "$tmpdepfile" "$tmpdepfile".bak
674 ;;
675
676 cpp)
677 # Important note: in order to support this mode, a compiler *must*
678 # always write the preprocessed file to stdout.
679 "$@" || exit $?
680
681 # Remove the call to Libtool.
682 if test "$libtool" = yes; then
683 while test "X$1" != 'X--mode=compile'; do
684 shift
685 done
686 shift
687 fi
688
689 # Remove '-o $object'.
690 IFS=" "
691 for arg
692 do
693 case $arg in
694 -o)
695 shift
696 ;;
697 $object)
698 shift
699 ;;
700 *)
701 set fnord "$@" "$arg"
702 shift # fnord
703 shift # $arg
704 ;;
705 esac
706 done
707
708 "$@" -E \
709 | sed -n -e '/^# [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' \
710 -e '/^#line [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' \
711 | sed '$ s: \\$::' > "$tmpdepfile"
712 rm -f "$depfile"
713 echo "$object : \\" > "$depfile"
714 cat < "$tmpdepfile" >> "$depfile"
715 sed < "$tmpdepfile" '/^$/d;s/^ //;s/ \\$//;s/$/ :/' >> "$depfile"
716 rm -f "$tmpdepfile"
717 ;;
718
719 msvisualcpp)
720 # Important note: in order to support this mode, a compiler *must*
721 # always write the preprocessed file to stdout.
722 "$@" || exit $?
723
724 # Remove the call to Libtool.
725 if test "$libtool" = yes; then
726 while test "X$1" != 'X--mode=compile'; do
727 shift
728 done
729 shift
730 fi
731
732 IFS=" "
733 for arg
734 do
735 case "$arg" in
736 -o)
737 shift
738 ;;
739 $object)
740 shift
741 ;;
742 "-Gm"|"/Gm"|"-Gi"|"/Gi"|"-ZI"|"/ZI")
743 set fnord "$@"
744 shift
745 shift
746 ;;
747 *)
748 set fnord "$@" "$arg"
749 shift
750 shift
751 ;;
752 esac
753 done
754 "$@" -E 2>/dev/null |
755 sed -n '/^#line [0-9][0-9]* "\([^"]*\)"/ s::\1:p' | $cygpath_u | sort -u > "$tmpdepfile"
756 rm -f "$depfile"
757 echo "$object : \\" > "$depfile"
758 sed < "$tmpdepfile" -n -e 's% %\\ %g' -e '/^\(.*\)$/ s::'"$tab"'\1 \\:p' >> "$depfile"
759 echo "$tab" >> "$depfile"
760 sed < "$tmpdepfile" -n -e 's% %\\ %g' -e '/^\(.*\)$/ s::\1\::p' >> "$depfile"
761 rm -f "$tmpdepfile"
762 ;;
763
764 msvcmsys)
765 # This case exists only to let depend.m4 do its work. It works by
766 # looking at the text of this script. This case will never be run,
767 # since it is checked for above.
768 exit 1
769 ;;
770
771 none)
772 exec "$@"
773 ;;
774
775 *)
776 echo "Unknown depmode $depmode" 1>&2
777 exit 1
778 ;;
779 esac
780
781 exit 0
782
783 # Local Variables:
784 # mode: shell-script
785 # sh-indentation: 2
786 # eval: (add-hook 'before-save-hook 'time-stamp)
787 # time-stamp-start: "scriptversion="
788 # time-stamp-format: "%:y-%02m-%02d.%02H"
789 # time-stamp-time-zone: "UTC0"
790 # time-stamp-end: "; # UTC"
791 # End: