Enabling multithreaded compilation.
[debian/lxpanel.git] / depcomp
CommitLineData
6cc5e1a6
DB
1#! /bin/sh
2# depcomp - compile a program generating dependencies as side-effects
3
0f7f2ef3 4scriptversion=2012-07-12.20; # UTC
6cc5e1a6 5
0f7f2ef3 6# Copyright (C) 1999-2012 Free Software Foundation, Inc.
6cc5e1a6
DB
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
934ecce5 19# along with this program. If not, see <http://www.gnu.org/licenses/>.
6cc5e1a6
DB
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
28case $1 in
29 '')
0f7f2ef3 30 echo "$0: No command. Try '$0 --help' for more information." 1>&2
6cc5e1a6
DB
31 exit 1;
32 ;;
33 -h | --h*)
34 cat <<\EOF
35Usage: depcomp [--help] [--version] PROGRAM [ARGS]
36
37Run PROGRAMS ARGS to compile a file, generating dependencies
38as side-effects.
39
40Environment variables:
41 depmode Dependency tracking mode.
0f7f2ef3
AL
42 source Source file read by 'PROGRAMS ARGS'.
43 object Object file output by 'PROGRAMS ARGS'.
6cc5e1a6
DB
44 DEPDIR directory where to store dependencies.
45 depfile Dependency file to output.
f8c25730 46 tmpdepfile Temporary file to use when outputting dependencies.
6cc5e1a6
DB
47 libtool Whether libtool is used (yes/no).
48
49Report bugs to <bug-automake@gnu.org>.
50EOF
51 exit $?
52 ;;
53 -v | --v*)
54 echo "depcomp $scriptversion"
55 exit $?
56 ;;
57esac
58
0f7f2ef3
AL
59# A tabulation character.
60tab=' '
61# A newline character.
62nl='
63'
64
6cc5e1a6
DB
65if test -z "$depmode" || test -z "$source" || test -z "$object"; then
66 echo "depcomp: Variables source, object and depmode must be set" 1>&2
67 exit 1
68fi
69
70# Dependencies for sub/bar.o or sub/bar.obj go into sub/.deps/bar.Po.
71depfile=${depfile-`echo "$object" |
72 sed 's|[^\\/]*$|'${DEPDIR-.deps}'/&|;s|\.\([^.]*\)$|.P\1|;s|Pobj$|Po|'`}
73tmpdepfile=${tmpdepfile-`echo "$depfile" | sed 's/\.\([^.]*\)$/.T\1/'`}
74
75rm -f "$tmpdepfile"
76
0f7f2ef3
AL
77# Avoid interferences from the environment.
78gccflag= dashmflag=
79
6cc5e1a6
DB
80# Some modes work just like other modes, but use different flags. We
81# parameterize here, but still list the modes in the big case below,
82# to make depend.m4 easier to write. Note that we *cannot* use a case
83# here, because this file can only contain one case statement.
84if test "$depmode" = hp; then
85 # HP compiler uses -M and no extra arg.
86 gccflag=-M
87 depmode=gcc
88fi
89
90if test "$depmode" = dashXmstdout; then
91 # This is just like dashmstdout with a different argument.
92 dashmflag=-xM
93 depmode=dashmstdout
94fi
95
934ecce5
DB
96cygpath_u="cygpath -u -f -"
97if test "$depmode" = msvcmsys; then
98 # This is just like msvisualcpp but w/o cygpath translation.
99 # Just convert the backslash-escaped backslashes to single forward
100 # slashes to satisfy depend.m4
f8c25730 101 cygpath_u='sed s,\\\\,/,g'
934ecce5
DB
102 depmode=msvisualcpp
103fi
104
f8c25730
DB
105if test "$depmode" = msvc7msys; then
106 # This is just like msvc7 but w/o cygpath translation.
107 # Just convert the backslash-escaped backslashes to single forward
108 # slashes to satisfy depend.m4
109 cygpath_u='sed s,\\\\,/,g'
110 depmode=msvc7
111fi
112
0f7f2ef3
AL
113if test "$depmode" = xlc; then
114 # IBM C/C++ Compilers xlc/xlC can output gcc-like dependency information.
115 gccflag=-qmakedep=gcc,-MF
116 depmode=gcc
117fi
118
6cc5e1a6
DB
119case "$depmode" in
120gcc3)
121## gcc 3 implements dependency tracking that does exactly what
122## we want. Yay! Note: for some reason libtool 1.4 doesn't like
123## it if -MD -MP comes after the -MF stuff. Hmm.
124## Unfortunately, FreeBSD c89 acceptance of flags depends upon
125## the command line argument order; so add the flags where they
126## appear in depend2.am. Note that the slowdown incurred here
127## affects only configure: in makefiles, %FASTDEP% shortcuts this.
128 for arg
129 do
130 case $arg in
131 -c) set fnord "$@" -MT "$object" -MD -MP -MF "$tmpdepfile" "$arg" ;;
132 *) set fnord "$@" "$arg" ;;
133 esac
134 shift # fnord
135 shift # $arg
136 done
137 "$@"
138 stat=$?
139 if test $stat -eq 0; then :
140 else
141 rm -f "$tmpdepfile"
142 exit $stat
143 fi
144 mv "$tmpdepfile" "$depfile"
145 ;;
146
147gcc)
0f7f2ef3
AL
148## Note that this doesn't just cater to obsosete pre-3.x GCC compilers.
149## but also to in-use compilers like IMB xlc/xlC and the HP C compiler.
150## (see the conditional assignment to $gccflag above).
6cc5e1a6
DB
151## There are various ways to get dependency output from gcc. Here's
152## why we pick this rather obscure method:
153## - Don't want to use -MD because we'd like the dependencies to end
154## up in a subdir. Having to rename by hand is ugly.
155## (We might end up doing this anyway to support other compilers.)
156## - The DEPENDENCIES_OUTPUT environment variable makes gcc act like
0f7f2ef3
AL
157## -MM, not -M (despite what the docs say). Also, it might not be
158## supported by the other compilers which use the 'gcc' depmode.
6cc5e1a6
DB
159## - Using -M directly means running the compiler twice (even worse
160## than renaming).
161 if test -z "$gccflag"; then
162 gccflag=-MD,
163 fi
164 "$@" -Wp,"$gccflag$tmpdepfile"
165 stat=$?
166 if test $stat -eq 0; then :
167 else
168 rm -f "$tmpdepfile"
169 exit $stat
170 fi
171 rm -f "$depfile"
172 echo "$object : \\" > "$depfile"
173 alpha=ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz
174## The second -e expression handles DOS-style file names with drive letters.
175 sed -e 's/^[^:]*: / /' \
176 -e 's/^['$alpha']:\/[^:]*: / /' < "$tmpdepfile" >> "$depfile"
0f7f2ef3 177## This next piece of magic avoids the "deleted header file" problem.
6cc5e1a6
DB
178## The problem is that when a header file which appears in a .P file
179## is deleted, the dependency causes make to die (because there is
180## typically no way to rebuild the header). We avoid this by adding
181## dummy dependencies for each header file. Too bad gcc doesn't do
182## this for us directly.
0f7f2ef3
AL
183 tr ' ' "$nl" < "$tmpdepfile" |
184## Some versions of gcc put a space before the ':'. On the theory
6cc5e1a6 185## that the space means something, we add a space to the output as
f8c25730
DB
186## well. hp depmode also adds that space, but also prefixes the VPATH
187## to the object. Take care to not repeat it in the output.
6cc5e1a6
DB
188## Some versions of the HPUX 10.20 sed can't process this invocation
189## correctly. Breaking it into two sed invocations is a workaround.
f8c25730
DB
190 sed -e 's/^\\$//' -e '/^$/d' -e "s|.*$object$||" -e '/:$/d' \
191 | sed -e 's/$/ :/' >> "$depfile"
6cc5e1a6
DB
192 rm -f "$tmpdepfile"
193 ;;
194
195hp)
196 # This case exists only to let depend.m4 do its work. It works by
197 # looking at the text of this script. This case will never be run,
198 # since it is checked for above.
199 exit 1
200 ;;
201
202sgi)
203 if test "$libtool" = yes; then
204 "$@" "-Wp,-MDupdate,$tmpdepfile"
205 else
206 "$@" -MDupdate "$tmpdepfile"
207 fi
208 stat=$?
209 if test $stat -eq 0; then :
210 else
211 rm -f "$tmpdepfile"
212 exit $stat
213 fi
214 rm -f "$depfile"
215
216 if test -f "$tmpdepfile"; then # yes, the sourcefile depend on other files
217 echo "$object : \\" > "$depfile"
218
219 # Clip off the initial element (the dependent). Don't try to be
220 # clever and replace this with sed code, as IRIX sed won't handle
221 # lines with more than a fixed number of characters (4096 in
222 # IRIX 6.2 sed, 8192 in IRIX 6.5). We also remove comment lines;
0f7f2ef3 223 # the IRIX cc adds comments like '#:fec' to the end of the
6cc5e1a6 224 # dependency line.
0f7f2ef3 225 tr ' ' "$nl" < "$tmpdepfile" \
6cc5e1a6 226 | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' | \
0f7f2ef3 227 tr "$nl" ' ' >> "$depfile"
934ecce5 228 echo >> "$depfile"
6cc5e1a6
DB
229
230 # The second pass generates a dummy entry for each header file.
0f7f2ef3 231 tr ' ' "$nl" < "$tmpdepfile" \
6cc5e1a6 232 | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' -e 's/$/:/' \
934ecce5 233 >> "$depfile"
6cc5e1a6
DB
234 else
235 # The sourcefile does not contain any dependencies, so just
236 # store a dummy comment line, to avoid errors with the Makefile
237 # "include basename.Plo" scheme.
238 echo "#dummy" > "$depfile"
239 fi
240 rm -f "$tmpdepfile"
241 ;;
242
0f7f2ef3
AL
243xlc)
244 # This case exists only to let depend.m4 do its work. It works by
245 # looking at the text of this script. This case will never be run,
246 # since it is checked for above.
247 exit 1
248 ;;
249
6cc5e1a6
DB
250aix)
251 # The C for AIX Compiler uses -M and outputs the dependencies
252 # in a .u file. In older versions, this file always lives in the
0f7f2ef3 253 # current directory. Also, the AIX compiler puts '$object:' at the
6cc5e1a6
DB
254 # start of each line; $object doesn't have directory information.
255 # Version 6 uses the directory in both cases.
10862fa6
DB
256 dir=`echo "$object" | sed -e 's|/[^/]*$|/|'`
257 test "x$dir" = "x$object" && dir=
258 base=`echo "$object" | sed -e 's|^.*/||' -e 's/\.o$//' -e 's/\.lo$//'`
6cc5e1a6 259 if test "$libtool" = yes; then
10862fa6
DB
260 tmpdepfile1=$dir$base.u
261 tmpdepfile2=$base.u
262 tmpdepfile3=$dir.libs/$base.u
6cc5e1a6
DB
263 "$@" -Wc,-M
264 else
10862fa6
DB
265 tmpdepfile1=$dir$base.u
266 tmpdepfile2=$dir$base.u
267 tmpdepfile3=$dir$base.u
6cc5e1a6
DB
268 "$@" -M
269 fi
270 stat=$?
271
272 if test $stat -eq 0; then :
273 else
10862fa6 274 rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
6cc5e1a6
DB
275 exit $stat
276 fi
277
10862fa6
DB
278 for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
279 do
280 test -f "$tmpdepfile" && break
281 done
6cc5e1a6 282 if test -f "$tmpdepfile"; then
0f7f2ef3 283 # Each line is of the form 'foo.o: dependent.h'.
6cc5e1a6 284 # Do two passes, one to just change these to
0f7f2ef3 285 # '$object: dependent.h' and one to simply 'dependent.h:'.
10862fa6 286 sed -e "s,^.*\.[a-z]*:,$object:," < "$tmpdepfile" > "$depfile"
0f7f2ef3 287 sed -e 's,^.*\.[a-z]*:['"$tab"' ]*,,' -e 's,$,:,' < "$tmpdepfile" >> "$depfile"
6cc5e1a6
DB
288 else
289 # The sourcefile does not contain any dependencies, so just
290 # store a dummy comment line, to avoid errors with the Makefile
291 # "include basename.Plo" scheme.
292 echo "#dummy" > "$depfile"
293 fi
294 rm -f "$tmpdepfile"
295 ;;
296
297icc)
0f7f2ef3
AL
298 # Intel's C compiler anf tcc (Tiny C Compiler) understand '-MD -MF file'.
299 # However on
300 # $CC -MD -MF foo.d -c -o sub/foo.o sub/foo.c
6cc5e1a6
DB
301 # ICC 7.0 will fill foo.d with something like
302 # foo.o: sub/foo.c
303 # foo.o: sub/foo.h
0f7f2ef3 304 # which is wrong. We want
6cc5e1a6
DB
305 # sub/foo.o: sub/foo.c
306 # sub/foo.o: sub/foo.h
307 # sub/foo.c:
308 # sub/foo.h:
309 # ICC 7.1 will output
310 # foo.o: sub/foo.c sub/foo.h
0f7f2ef3 311 # and will wrap long lines using '\':
6cc5e1a6
DB
312 # foo.o: sub/foo.c ... \
313 # sub/foo.h ... \
314 # ...
0f7f2ef3
AL
315 # tcc 0.9.26 (FIXME still under development at the moment of writing)
316 # will emit a similar output, but also prepend the continuation lines
317 # with horizontal tabulation characters.
6cc5e1a6
DB
318 "$@" -MD -MF "$tmpdepfile"
319 stat=$?
320 if test $stat -eq 0; then :
321 else
322 rm -f "$tmpdepfile"
323 exit $stat
324 fi
325 rm -f "$depfile"
0f7f2ef3
AL
326 # Each line is of the form 'foo.o: dependent.h',
327 # or 'foo.o: dep1.h dep2.h \', or ' dep3.h dep4.h \'.
328 # Do two passes, one to just change these to
329 # '$object: dependent.h' and one to simply 'dependent.h:'.
330 sed -e "s/^[ $tab][ $tab]*/ /" -e "s,^[^:]*:,$object :," \
331 < "$tmpdepfile" > "$depfile"
332 sed '
333 s/[ '"$tab"'][ '"$tab"']*/ /g
334 s/^ *//
335 s/ *\\*$//
336 s/^[^:]*: *//
337 /^$/d
338 /:$/d
339 s/$/ :/
340 ' < "$tmpdepfile" >> "$depfile"
341 rm -f "$tmpdepfile"
342 ;;
343
344## The order of this option in the case statement is important, since the
345## shell code in configure will try each of these formats in the order
346## listed in this file. A plain '-MD' option would be understood by many
347## compilers, so we must ensure this comes after the gcc and icc options.
348pgcc)
349 # Portland's C compiler understands '-MD'.
350 # Will always output deps to 'file.d' where file is the root name of the
351 # source file under compilation, even if file resides in a subdirectory.
352 # The object file name does not affect the name of the '.d' file.
353 # pgcc 10.2 will output
354 # foo.o: sub/foo.c sub/foo.h
355 # and will wrap long lines using '\' :
356 # foo.o: sub/foo.c ... \
357 # sub/foo.h ... \
358 # ...
359 dir=`echo "$object" | sed -e 's|/[^/]*$|/|'`
360 test "x$dir" = "x$object" && dir=
361 # Use the source, not the object, to determine the base name, since
362 # that's sadly what pgcc will do too.
363 base=`echo "$source" | sed -e 's|^.*/||' -e 's/\.[-_a-zA-Z0-9]*$//'`
364 tmpdepfile="$base.d"
365
366 # For projects that build the same source file twice into different object
367 # files, the pgcc approach of using the *source* file root name can cause
368 # problems in parallel builds. Use a locking strategy to avoid stomping on
369 # the same $tmpdepfile.
370 lockdir="$base.d-lock"
371 trap "echo '$0: caught signal, cleaning up...' >&2; rm -rf $lockdir" 1 2 13 15
372 numtries=100
373 i=$numtries
374 while test $i -gt 0 ; do
375 # mkdir is a portable test-and-set.
376 if mkdir $lockdir 2>/dev/null; then
377 # This process acquired the lock.
378 "$@" -MD
379 stat=$?
380 # Release the lock.
381 rm -rf $lockdir
382 break
383 else
384 ## the lock is being held by a different process,
385 ## wait until the winning process is done or we timeout
386 while test -d $lockdir && test $i -gt 0; do
387 sleep 1
388 i=`expr $i - 1`
389 done
390 fi
391 i=`expr $i - 1`
392 done
393 trap - 1 2 13 15
394 if test $i -le 0; then
395 echo "$0: failed to acquire lock after $numtries attempts" >&2
396 echo "$0: check lockdir '$lockdir'" >&2
397 exit 1
398 fi
399
400 if test $stat -ne 0; then
401 rm -f "$tmpdepfile"
402 exit $stat
403 fi
404 rm -f "$depfile"
6cc5e1a6
DB
405 # Each line is of the form `foo.o: dependent.h',
406 # or `foo.o: dep1.h dep2.h \', or ` dep3.h dep4.h \'.
407 # Do two passes, one to just change these to
408 # `$object: dependent.h' and one to simply `dependent.h:'.
409 sed "s,^[^:]*:,$object :," < "$tmpdepfile" > "$depfile"
410 # Some versions of the HPUX 10.20 sed can't process this invocation
411 # correctly. Breaking it into two sed invocations is a workaround.
412 sed 's,^[^:]*: \(.*\)$,\1,;s/^\\$//;/^$/d;/:$/d' < "$tmpdepfile" |
413 sed -e 's/$/ :/' >> "$depfile"
414 rm -f "$tmpdepfile"
415 ;;
416
417hp2)
418 # The "hp" stanza above does not work with aCC (C++) and HP's ia64
419 # compilers, which have integrated preprocessors. The correct option
420 # to use with these is +Maked; it writes dependencies to a file named
421 # 'foo.d', which lands next to the object file, wherever that
422 # happens to be.
423 # Much of this is similar to the tru64 case; see comments there.
424 dir=`echo "$object" | sed -e 's|/[^/]*$|/|'`
425 test "x$dir" = "x$object" && dir=
426 base=`echo "$object" | sed -e 's|^.*/||' -e 's/\.o$//' -e 's/\.lo$//'`
427 if test "$libtool" = yes; then
428 tmpdepfile1=$dir$base.d
429 tmpdepfile2=$dir.libs/$base.d
430 "$@" -Wc,+Maked
431 else
432 tmpdepfile1=$dir$base.d
433 tmpdepfile2=$dir$base.d
434 "$@" +Maked
435 fi
436 stat=$?
437 if test $stat -eq 0; then :
438 else
439 rm -f "$tmpdepfile1" "$tmpdepfile2"
440 exit $stat
441 fi
442
443 for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2"
444 do
445 test -f "$tmpdepfile" && break
446 done
447 if test -f "$tmpdepfile"; then
448 sed -e "s,^.*\.[a-z]*:,$object:," "$tmpdepfile" > "$depfile"
0f7f2ef3 449 # Add 'dependent.h:' lines.
934ecce5
DB
450 sed -ne '2,${
451 s/^ *//
452 s/ \\*$//
453 s/$/:/
454 p
455 }' "$tmpdepfile" >> "$depfile"
6cc5e1a6
DB
456 else
457 echo "#dummy" > "$depfile"
458 fi
459 rm -f "$tmpdepfile" "$tmpdepfile2"
460 ;;
461
462tru64)
463 # The Tru64 compiler uses -MD to generate dependencies as a side
0f7f2ef3 464 # effect. 'cc -MD -o foo.o ...' puts the dependencies into 'foo.o.d'.
6cc5e1a6 465 # At least on Alpha/Redhat 6.1, Compaq CCC V6.2-504 seems to put
0f7f2ef3 466 # dependencies in 'foo.d' instead, so we check for that too.
6cc5e1a6
DB
467 # Subdirectories are respected.
468 dir=`echo "$object" | sed -e 's|/[^/]*$|/|'`
469 test "x$dir" = "x$object" && dir=
470 base=`echo "$object" | sed -e 's|^.*/||' -e 's/\.o$//' -e 's/\.lo$//'`
471
472 if test "$libtool" = yes; then
473 # With Tru64 cc, shared objects can also be used to make a
474 # static library. This mechanism is used in libtool 1.4 series to
475 # handle both shared and static libraries in a single compilation.
476 # With libtool 1.4, dependencies were output in $dir.libs/$base.lo.d.
477 #
478 # With libtool 1.5 this exception was removed, and libtool now
479 # generates 2 separate objects for the 2 libraries. These two
480 # compilations output dependencies in $dir.libs/$base.o.d and
481 # in $dir$base.o.d. We have to check for both files, because
482 # one of the two compilations can be disabled. We should prefer
483 # $dir$base.o.d over $dir.libs/$base.o.d because the latter is
484 # automatically cleaned when .libs/ is deleted, while ignoring
485 # the former would cause a distcleancheck panic.
486 tmpdepfile1=$dir.libs/$base.lo.d # libtool 1.4
487 tmpdepfile2=$dir$base.o.d # libtool 1.5
488 tmpdepfile3=$dir.libs/$base.o.d # libtool 1.5
489 tmpdepfile4=$dir.libs/$base.d # Compaq CCC V6.2-504
490 "$@" -Wc,-MD
491 else
492 tmpdepfile1=$dir$base.o.d
493 tmpdepfile2=$dir$base.d
494 tmpdepfile3=$dir$base.d
495 tmpdepfile4=$dir$base.d
496 "$@" -MD
497 fi
498
499 stat=$?
500 if test $stat -eq 0; then :
501 else
502 rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" "$tmpdepfile4"
503 exit $stat
504 fi
505
506 for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" "$tmpdepfile4"
507 do
508 test -f "$tmpdepfile" && break
509 done
510 if test -f "$tmpdepfile"; then
511 sed -e "s,^.*\.[a-z]*:,$object:," < "$tmpdepfile" > "$depfile"
0f7f2ef3 512 sed -e 's,^.*\.[a-z]*:['"$tab"' ]*,,' -e 's,$,:,' < "$tmpdepfile" >> "$depfile"
6cc5e1a6
DB
513 else
514 echo "#dummy" > "$depfile"
515 fi
516 rm -f "$tmpdepfile"
517 ;;
518
f8c25730
DB
519msvc7)
520 if test "$libtool" = yes; then
521 showIncludes=-Wc,-showIncludes
522 else
523 showIncludes=-showIncludes
524 fi
525 "$@" $showIncludes > "$tmpdepfile"
526 stat=$?
527 grep -v '^Note: including file: ' "$tmpdepfile"
528 if test "$stat" = 0; then :
529 else
530 rm -f "$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 '
546s/ /\\ /g
0f7f2ef3 547s/\(.*\)/'"$tab"'\1 \\/p
f8c25730
DB
548s/.\(.*\) \\/\1:/
549H
550$ {
0f7f2ef3 551 s/.*/'"$tab"'/
f8c25730
DB
552 G
553 p
554}' >> "$depfile"
555 rm -f "$tmpdepfile"
556 ;;
557
558msvc7msys)
559 # This case exists only to let depend.m4 do its work. It works by
560 # looking at the text of this script. This case will never be run,
561 # since it is checked for above.
562 exit 1
563 ;;
564
6cc5e1a6
DB
565#nosideeffect)
566 # This comment above is used by automake to tell side-effect
567 # dependency tracking mechanisms from slower ones.
568
569dashmstdout)
570 # Important note: in order to support this mode, a compiler *must*
571 # always write the preprocessed file to stdout, regardless of -o.
572 "$@" || exit $?
573
574 # Remove the call to Libtool.
575 if test "$libtool" = yes; then
934ecce5 576 while test "X$1" != 'X--mode=compile'; do
6cc5e1a6
DB
577 shift
578 done
579 shift
580 fi
581
0f7f2ef3 582 # Remove '-o $object'.
6cc5e1a6
DB
583 IFS=" "
584 for arg
585 do
586 case $arg in
587 -o)
588 shift
589 ;;
590 $object)
591 shift
592 ;;
593 *)
594 set fnord "$@" "$arg"
595 shift # fnord
596 shift # $arg
597 ;;
598 esac
599 done
600
601 test -z "$dashmflag" && dashmflag=-M
0f7f2ef3 602 # Require at least two characters before searching for ':'
6cc5e1a6 603 # in the target name. This is to cope with DOS-style filenames:
0f7f2ef3 604 # a dependency such as 'c:/foo/bar' could be seen as target 'c' otherwise.
6cc5e1a6 605 "$@" $dashmflag |
0f7f2ef3 606 sed 's:^['"$tab"' ]*[^:'"$tab"' ][^:][^:]*\:['"$tab"' ]*:'"$object"'\: :' > "$tmpdepfile"
6cc5e1a6
DB
607 rm -f "$depfile"
608 cat < "$tmpdepfile" > "$depfile"
0f7f2ef3 609 tr ' ' "$nl" < "$tmpdepfile" | \
6cc5e1a6
DB
610## Some versions of the HPUX 10.20 sed can't process this invocation
611## correctly. Breaking it into two sed invocations is a workaround.
612 sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
613 rm -f "$tmpdepfile"
614 ;;
615
616dashXmstdout)
617 # This case only exists to satisfy depend.m4. It is never actually
618 # run, as this mode is specially recognized in the preamble.
619 exit 1
620 ;;
621
622makedepend)
623 "$@" || exit $?
624 # Remove any Libtool call
625 if test "$libtool" = yes; then
934ecce5 626 while test "X$1" != 'X--mode=compile'; do
6cc5e1a6
DB
627 shift
628 done
629 shift
630 fi
631 # X makedepend
632 shift
934ecce5
DB
633 cleared=no eat=no
634 for arg
635 do
6cc5e1a6
DB
636 case $cleared in
637 no)
638 set ""; shift
639 cleared=yes ;;
640 esac
934ecce5
DB
641 if test $eat = yes; then
642 eat=no
643 continue
644 fi
6cc5e1a6
DB
645 case "$arg" in
646 -D*|-I*)
647 set fnord "$@" "$arg"; shift ;;
648 # Strip any option that makedepend may not understand. Remove
649 # the object too, otherwise makedepend will parse it as a source file.
934ecce5
DB
650 -arch)
651 eat=yes ;;
6cc5e1a6
DB
652 -*|$object)
653 ;;
654 *)
655 set fnord "$@" "$arg"; shift ;;
656 esac
657 done
934ecce5 658 obj_suffix=`echo "$object" | sed 's/^.*\././'`
6cc5e1a6
DB
659 touch "$tmpdepfile"
660 ${MAKEDEPEND-makedepend} -o"$obj_suffix" -f"$tmpdepfile" "$@"
661 rm -f "$depfile"
f8c25730
DB
662 # makedepend may prepend the VPATH from the source file name to the object.
663 # No need to regex-escape $object, excess matching of '.' is harmless.
664 sed "s|^.*\($object *:\)|\1|" "$tmpdepfile" > "$depfile"
0f7f2ef3 665 sed '1,2d' "$tmpdepfile" | tr ' ' "$nl" | \
6cc5e1a6
DB
666## Some versions of the HPUX 10.20 sed can't process this invocation
667## correctly. Breaking it into two sed invocations is a workaround.
668 sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
669 rm -f "$tmpdepfile" "$tmpdepfile".bak
670 ;;
671
672cpp)
673 # Important note: in order to support this mode, a compiler *must*
674 # always write the preprocessed file to stdout.
675 "$@" || exit $?
676
677 # Remove the call to Libtool.
678 if test "$libtool" = yes; then
934ecce5 679 while test "X$1" != 'X--mode=compile'; do
6cc5e1a6
DB
680 shift
681 done
682 shift
683 fi
684
0f7f2ef3 685 # Remove '-o $object'.
6cc5e1a6
DB
686 IFS=" "
687 for arg
688 do
689 case $arg in
690 -o)
691 shift
692 ;;
693 $object)
694 shift
695 ;;
696 *)
697 set fnord "$@" "$arg"
698 shift # fnord
699 shift # $arg
700 ;;
701 esac
702 done
703
704 "$@" -E |
705 sed -n -e '/^# [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' \
706 -e '/^#line [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' |
707 sed '$ s: \\$::' > "$tmpdepfile"
708 rm -f "$depfile"
709 echo "$object : \\" > "$depfile"
710 cat < "$tmpdepfile" >> "$depfile"
711 sed < "$tmpdepfile" '/^$/d;s/^ //;s/ \\$//;s/$/ :/' >> "$depfile"
712 rm -f "$tmpdepfile"
713 ;;
714
715msvisualcpp)
716 # Important note: in order to support this mode, a compiler *must*
934ecce5 717 # always write the preprocessed file to stdout.
6cc5e1a6 718 "$@" || exit $?
934ecce5
DB
719
720 # Remove the call to Libtool.
721 if test "$libtool" = yes; then
722 while test "X$1" != 'X--mode=compile'; do
723 shift
724 done
725 shift
726 fi
727
6cc5e1a6
DB
728 IFS=" "
729 for arg
730 do
731 case "$arg" in
934ecce5
DB
732 -o)
733 shift
734 ;;
735 $object)
736 shift
737 ;;
6cc5e1a6
DB
738 "-Gm"|"/Gm"|"-Gi"|"/Gi"|"-ZI"|"/ZI")
739 set fnord "$@"
740 shift
741 shift
742 ;;
743 *)
744 set fnord "$@" "$arg"
745 shift
746 shift
747 ;;
748 esac
749 done
934ecce5
DB
750 "$@" -E 2>/dev/null |
751 sed -n '/^#line [0-9][0-9]* "\([^"]*\)"/ s::\1:p' | $cygpath_u | sort -u > "$tmpdepfile"
6cc5e1a6
DB
752 rm -f "$depfile"
753 echo "$object : \\" > "$depfile"
0f7f2ef3
AL
754 sed < "$tmpdepfile" -n -e 's% %\\ %g' -e '/^\(.*\)$/ s::'"$tab"'\1 \\:p' >> "$depfile"
755 echo "$tab" >> "$depfile"
934ecce5 756 sed < "$tmpdepfile" -n -e 's% %\\ %g' -e '/^\(.*\)$/ s::\1\::p' >> "$depfile"
6cc5e1a6
DB
757 rm -f "$tmpdepfile"
758 ;;
759
934ecce5
DB
760msvcmsys)
761 # This case exists only to let depend.m4 do its work. It works by
762 # looking at the text of this script. This case will never be run,
763 # since it is checked for above.
764 exit 1
765 ;;
766
6cc5e1a6
DB
767none)
768 exec "$@"
769 ;;
770
771*)
772 echo "Unknown depmode $depmode" 1>&2
773 exit 1
774 ;;
775esac
776
777exit 0
778
779# Local Variables:
780# mode: shell-script
781# sh-indentation: 2
782# eval: (add-hook 'write-file-hooks 'time-stamp)
783# time-stamp-start: "scriptversion="
784# time-stamp-format: "%:y-%02m-%02d.%02H"
934ecce5
DB
785# time-stamp-time-zone: "UTC"
786# time-stamp-end: "; # UTC"
6cc5e1a6 787# End: