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root/svn/ircd-hybrid/trunk/depcomp
Revision: 1720
Committed: Fri Dec 28 21:06:21 2012 UTC (12 years, 7 months ago) by michael
File size: 23491 byte(s)
Log Message:
- automake 1.13

File Contents

# User Rev Content
1 michael 912 #! /bin/sh
2     # depcomp - compile a program generating dependencies as side-effects
3    
4 michael 1720 scriptversion=2012-10-18.11; # UTC
5 michael 912
6 michael 1375 # Copyright (C) 1999-2012 Free Software Foundation, Inc.
7 michael 912
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 michael 945 # along with this program. If not, see <http://www.gnu.org/licenses/>.
20 michael 912
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 michael 1720 echo "$0: No command. Try '$0 --help' for more information." 1>&2
31     exit 1;
32     ;;
33 michael 912 -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 michael 1375 source Source file read by 'PROGRAMS ARGS'.
43     object Object file output by 'PROGRAMS ARGS'.
44 michael 912 DEPDIR directory where to store dependencies.
45     depfile Dependency file to output.
46 michael 1257 tmpdepfile Temporary file to use when outputting dependencies.
47 michael 912 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 $?
56     ;;
57     esac
58    
59 michael 1720 # Get the directory component of the given path, and save it in the
60     # global variables '$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 michael 1375 # A tabulation character.
108     tab=' '
109     # A newline character.
110     nl='
111     '
112 michael 1720 # 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 michael 1375
119 michael 912 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 michael 1664 # Avoid interferences from the environment.
132     gccflag= dashmflag=
133    
134 michael 912 # 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 michael 1720 # This is just like dashmstdout with a different argument.
146     dashmflag=-xM
147     depmode=dashmstdout
148 michael 912 fi
149    
150 michael 945 cygpath_u="cygpath -u -f -"
151     if test "$depmode" = msvcmsys; then
152 michael 1720 # This is just like msvisualcpp but w/o cygpath translation.
153     # Just convert the backslash-escaped backslashes to single forward
154     # slashes to satisfy depend.m4
155     cygpath_u='sed s,\\\\,/,g'
156     depmode=msvisualcpp
157 michael 945 fi
158    
159 michael 1257 if test "$depmode" = msvc7msys; then
160 michael 1720 # 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 michael 1257 fi
166    
167 michael 1375 if test "$depmode" = xlc; then
168 michael 1720 # IBM C/C++ Compilers xlc/xlC can output gcc-like dependency information.
169     gccflag=-qmakedep=gcc,-MF
170     depmode=gcc
171 michael 1375 fi
172    
173 michael 912 case "$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 michael 1720 if test $stat -ne 0; then
194 michael 912 rm -f "$tmpdepfile"
195     exit $stat
196     fi
197     mv "$tmpdepfile" "$depfile"
198     ;;
199    
200     gcc)
201 michael 1664 ## 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 $gccflag above).
204 michael 912 ## There are various ways to get dependency output from gcc. Here's
205     ## why we pick this rather obscure method:
206     ## - Don't want to use -MD because we'd like the dependencies to end
207     ## up in a subdir. Having to rename by hand is ugly.
208     ## (We might end up doing this anyway to support other compilers.)
209     ## - The DEPENDENCIES_OUTPUT environment variable makes gcc act like
210 michael 1664 ## -MM, not -M (despite what the docs say). Also, it might not be
211     ## supported by the other compilers which use the 'gcc' depmode.
212 michael 912 ## - Using -M directly means running the compiler twice (even worse
213     ## than renaming).
214     if test -z "$gccflag"; then
215     gccflag=-MD,
216     fi
217     "$@" -Wp,"$gccflag$tmpdepfile"
218     stat=$?
219 michael 1720 if test $stat -ne 0; then
220 michael 912 rm -f "$tmpdepfile"
221     exit $stat
222     fi
223     rm -f "$depfile"
224     echo "$object : \\" > "$depfile"
225 michael 1720 # The second -e expression handles DOS-style file names with drive
226     # letters.
227 michael 912 sed -e 's/^[^:]*: / /' \
228     -e 's/^['$alpha']:\/[^:]*: / /' < "$tmpdepfile" >> "$depfile"
229 michael 1375 ## This next piece of magic avoids the "deleted header file" problem.
230 michael 912 ## The problem is that when a header file which appears in a .P file
231     ## is deleted, the dependency causes make to die (because there is
232     ## typically no way to rebuild the header). We avoid this by adding
233     ## dummy dependencies for each header file. Too bad gcc doesn't do
234     ## this for us directly.
235 michael 1375 ## Some versions of gcc put a space before the ':'. On the theory
236 michael 912 ## that the space means something, we add a space to the output as
237 michael 1257 ## well. hp depmode also adds that space, but also prefixes the VPATH
238     ## to the object. Take care to not repeat it in the output.
239 michael 912 ## Some versions of the HPUX 10.20 sed can't process this invocation
240     ## correctly. Breaking it into two sed invocations is a workaround.
241 michael 1720 tr ' ' "$nl" < "$tmpdepfile" \
242     | sed -e 's/^\\$//' -e '/^$/d' -e "s|.*$object$||" -e '/:$/d' \
243     | sed -e 's/$/ :/' >> "$depfile"
244 michael 912 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 michael 1720 if test $stat -ne 0; then
262 michael 912 rm -f "$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 : \\" > "$depfile"
269     # Clip off the initial element (the dependent). Don't try to be
270     # clever and replace this with sed code, as IRIX sed won't handle
271     # lines with more than a fixed number of characters (4096 in
272     # IRIX 6.2 sed, 8192 in IRIX 6.5). We also remove comment lines;
273 michael 1375 # the IRIX cc adds comments like '#:fec' to the end of the
274 michael 912 # dependency line.
275 michael 1375 tr ' ' "$nl" < "$tmpdepfile" \
276 michael 1720 | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' \
277     | tr "$nl" ' ' >> "$depfile"
278 michael 945 echo >> "$depfile"
279 michael 912 # The second pass generates a dummy entry for each header file.
280 michael 1375 tr ' ' "$nl" < "$tmpdepfile" \
281 michael 1720 | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' -e 's/$/:/' \
282     >> "$depfile"
283 michael 912 else
284 michael 1720 make_dummy_depfile
285 michael 912 fi
286     rm -f "$tmpdepfile"
287     ;;
288    
289 michael 1375 xlc)
290     # This case exists only to let depend.m4 do its work. It works by
291     # looking at the text of this script. This case will never be run,
292     # since it is checked for above.
293     exit 1
294     ;;
295    
296 michael 912 aix)
297     # The C for AIX Compiler uses -M and outputs the dependencies
298     # in a .u file. In older versions, this file always lives in the
299 michael 1375 # current directory. Also, the AIX compiler puts '$object:' at the
300 michael 912 # start of each line; $object doesn't have directory information.
301     # Version 6 uses the directory in both cases.
302 michael 1720 set_dir_from "$object"
303     set_base_from "$object"
304 michael 912 if test "$libtool" = yes; then
305 michael 945 tmpdepfile1=$dir$base.u
306     tmpdepfile2=$base.u
307     tmpdepfile3=$dir.libs/$base.u
308 michael 912 "$@" -Wc,-M
309     else
310 michael 945 tmpdepfile1=$dir$base.u
311     tmpdepfile2=$dir$base.u
312     tmpdepfile3=$dir$base.u
313 michael 912 "$@" -M
314     fi
315     stat=$?
316 michael 1720 if test $stat -ne 0; then
317 michael 945 rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
318 michael 912 exit $stat
319     fi
320    
321 michael 945 for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
322     do
323     test -f "$tmpdepfile" && break
324     done
325 michael 1720 aix_post_process_depfile
326 michael 912 ;;
327    
328 michael 1720 tcc)
329     # tcc (Tiny C Compiler) understand '-MD -MF file' since version 0.9.26
330     # FIXME: That version still under development at the moment of writing.
331     # Make that this statement remains true also for stable, released
332     # versions.
333     # It will wrap lines (doesn't matter whether long or short) with a
334     # trailing '\', as in:
335     #
336     # foo.o : \
337     # foo.c \
338     # foo.h \
339     #
340     # It will put a trailing '\' even on the last line, and will use leading
341     # spaces rather than leading tabs (at least since its commit 0394caf7
342     # "Emit spaces for -MD").
343 michael 912 "$@" -MD -MF "$tmpdepfile"
344     stat=$?
345 michael 1720 if test $stat -ne 0; then
346 michael 912 rm -f "$tmpdepfile"
347     exit $stat
348     fi
349     rm -f "$depfile"
350 michael 1720 # 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 michael 912 rm -f "$tmpdepfile"
357     ;;
358    
359 michael 1504 ## The order of this option in the case statement is important, since the
360     ## shell code in configure will try each of these formats in the order
361     ## listed in this file. A plain '-MD' option would be understood by many
362     ## compilers, so we must ensure this comes after the gcc and icc options.
363     pgcc)
364     # Portland's C compiler understands '-MD'.
365     # Will always output deps to 'file.d' where file is the root name of the
366     # source file under compilation, even if file resides in a subdirectory.
367     # The object file name does not affect the name of the '.d' file.
368     # pgcc 10.2 will output
369     # foo.o: sub/foo.c sub/foo.h
370     # and will wrap long lines using '\' :
371     # foo.o: sub/foo.c ... \
372     # sub/foo.h ... \
373     # ...
374 michael 1720 set_dir_from "$object"
375 michael 1504 # Use the source, not the object, to determine the base name, since
376     # that's sadly what pgcc will do too.
377 michael 1720 set_base_from "$source"
378     tmpdepfile=$base.d
379 michael 1504
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 $tmpdepfile.
384 michael 1720 lockdir=$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 michael 1504 numtries=100
391     i=$numtries
392 michael 1720 while test $i -gt 0; do
393 michael 1504 # mkdir is a portable test-and-set.
394 michael 1720 if mkdir "$lockdir" 2>/dev/null; then
395 michael 1504 # This process acquired the lock.
396     "$@" -MD
397     stat=$?
398     # Release the lock.
399 michael 1720 rmdir "$lockdir"
400 michael 1504 break
401     else
402 michael 1720 # If the lock is being held by a different process, wait
403     # until the winning process is done or we timeout.
404     while test -d "$lockdir" && test $i -gt 0; do
405 michael 1504 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 michael 1720 sed 's,^[^:]*: \(.*\)$,\1,;s/^\\$//;/^$/d;/:$/d' < "$tmpdepfile" \
431     | sed -e 's/$/ :/' >> "$depfile"
432 michael 1504 rm -f "$tmpdepfile"
433     ;;
434    
435 michael 912 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 michael 1720 set_dir_from "$object"
443     set_base_from "$object"
444 michael 912 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 michael 1720 if test $stat -ne 0; then
455 michael 912 rm -f "$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 "$tmpdepfile"; then
464 michael 1720 sed -e "s,^.*\.[$lower]*:,$object:," "$tmpdepfile" > "$depfile"
465 michael 1375 # Add 'dependent.h:' lines.
466 michael 945 sed -ne '2,${
467 michael 1720 s/^ *//
468     s/ \\*$//
469     s/$/:/
470     p
471     }' "$tmpdepfile" >> "$depfile"
472 michael 912 else
473 michael 1720 make_dummy_depfile
474 michael 912 fi
475     rm -f "$tmpdepfile" "$tmpdepfile2"
476     ;;
477    
478     tru64)
479 michael 1720 # 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 michael 912
487 michael 1720 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 michael 912
506 michael 1720 stat=$?
507     if test $stat -ne 0; then
508     rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
509     exit $stat
510     fi
511 michael 912
512 michael 1720 for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
513     do
514     test -f "$tmpdepfile" && break
515     done
516     # Same post-processing that is required for AIX mode.
517     aix_post_process_depfile
518     ;;
519 michael 912
520 michael 1257 msvc7)
521     if test "$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 michael 1720 if test $stat -ne 0; then
530 michael 1257 rm -f "$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 michael 1375 s/\(.*\)/'"$tab"'\1 \\/p
548 michael 1257 s/.\(.*\) \\/\1:/
549     H
550     $ {
551 michael 1375 s/.*/'"$tab"'/
552 michael 1257 G
553     p
554     }' >> "$depfile"
555     rm -f "$tmpdepfile"
556     ;;
557    
558     msvc7msys)
559     # This case exists only to let depend.m4 do its work. It works by
560     # looking at the text of this script. This case will never be run,
561     # since it is checked for above.
562     exit 1
563     ;;
564    
565 michael 912 #nosideeffect)
566     # This comment above is used by automake to tell side-effect
567     # dependency tracking mechanisms from slower ones.
568    
569     dashmstdout)
570     # Important note: in order to support this mode, a compiler *must*
571     # always write the preprocessed file to stdout, regardless of -o.
572     "$@" || exit $?
573    
574     # Remove the call to Libtool.
575     if test "$libtool" = yes; then
576 michael 945 while test "X$1" != 'X--mode=compile'; do
577 michael 912 shift
578     done
579     shift
580     fi
581    
582 michael 1375 # Remove '-o $object'.
583 michael 912 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
602 michael 1375 # Require at least two characters before searching for ':'
603 michael 912 # in the target name. This is to cope with DOS-style filenames:
604 michael 1375 # a dependency such as 'c:/foo/bar' could be seen as target 'c' otherwise.
605 michael 912 "$@" $dashmflag |
606 michael 1720 sed "s|^[$tab ]*[^:$tab ][^:][^:]*:[$tab ]*|$object: |" > "$tmpdepfile"
607 michael 912 rm -f "$depfile"
608     cat < "$tmpdepfile" > "$depfile"
609 michael 1720 # Some versions of the HPUX 10.20 sed can't process this sed invocation
610     # correctly. Breaking it into two sed invocations is a workaround.
611     tr ' ' "$nl" < "$tmpdepfile" \
612     | sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' \
613     | sed -e 's/$/ :/' >> "$depfile"
614 michael 912 rm -f "$tmpdepfile"
615     ;;
616    
617     dashXmstdout)
618     # This case only exists to satisfy depend.m4. It is never actually
619     # run, as this mode is specially recognized in the preamble.
620     exit 1
621     ;;
622    
623     makedepend)
624     "$@" || exit $?
625     # Remove any Libtool call
626     if test "$libtool" = yes; then
627 michael 945 while test "X$1" != 'X--mode=compile'; do
628 michael 912 shift
629     done
630     shift
631     fi
632     # X makedepend
633     shift
634 michael 945 cleared=no eat=no
635     for arg
636     do
637 michael 912 case $cleared in
638     no)
639     set ""; shift
640     cleared=yes ;;
641     esac
642 michael 945 if test $eat = yes; then
643     eat=no
644     continue
645     fi
646 michael 912 case "$arg" in
647     -D*|-I*)
648     set fnord "$@" "$arg"; shift ;;
649     # Strip any option that makedepend may not understand. Remove
650     # the object too, otherwise makedepend will parse it as a source file.
651 michael 945 -arch)
652     eat=yes ;;
653 michael 912 -*|$object)
654     ;;
655     *)
656     set fnord "$@" "$arg"; shift ;;
657     esac
658     done
659 michael 945 obj_suffix=`echo "$object" | sed 's/^.*\././'`
660 michael 912 touch "$tmpdepfile"
661     ${MAKEDEPEND-makedepend} -o"$obj_suffix" -f"$tmpdepfile" "$@"
662     rm -f "$depfile"
663 michael 1257 # makedepend may prepend the VPATH from the source file name to the object.
664     # No need to regex-escape $object, excess matching of '.' is harmless.
665     sed "s|^.*\($object *:\)|\1|" "$tmpdepfile" > "$depfile"
666 michael 1720 # Some versions of the HPUX 10.20 sed can't process the last invocation
667     # correctly. Breaking it into two sed invocations is a workaround.
668     sed '1,2d' "$tmpdepfile" \
669     | tr ' ' "$nl" \
670     | sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' \
671     | sed -e 's/$/ :/' >> "$depfile"
672 michael 912 rm -f "$tmpdepfile" "$tmpdepfile".bak
673     ;;
674    
675     cpp)
676     # Important note: in order to support this mode, a compiler *must*
677     # always write the preprocessed file to stdout.
678     "$@" || exit $?
679    
680     # Remove the call to Libtool.
681     if test "$libtool" = yes; then
682 michael 945 while test "X$1" != 'X--mode=compile'; do
683 michael 912 shift
684     done
685     shift
686     fi
687    
688 michael 1375 # Remove '-o $object'.
689 michael 912 IFS=" "
690     for arg
691     do
692     case $arg in
693     -o)
694     shift
695     ;;
696     $object)
697     shift
698     ;;
699     *)
700     set fnord "$@" "$arg"
701     shift # fnord
702     shift # $arg
703     ;;
704     esac
705     done
706    
707 michael 1720 "$@" -E \
708     | sed -n -e '/^# [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' \
709     -e '/^#line [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' \
710     | sed '$ s: \\$::' > "$tmpdepfile"
711 michael 912 rm -f "$depfile"
712     echo "$object : \\" > "$depfile"
713     cat < "$tmpdepfile" >> "$depfile"
714     sed < "$tmpdepfile" '/^$/d;s/^ //;s/ \\$//;s/$/ :/' >> "$depfile"
715     rm -f "$tmpdepfile"
716     ;;
717    
718     msvisualcpp)
719     # Important note: in order to support this mode, a compiler *must*
720 michael 945 # always write the preprocessed file to stdout.
721 michael 912 "$@" || exit $?
722 michael 945
723     # Remove the call to Libtool.
724     if test "$libtool" = yes; then
725     while test "X$1" != 'X--mode=compile'; do
726     shift
727     done
728     shift
729     fi
730    
731 michael 912 IFS=" "
732     for arg
733     do
734     case "$arg" in
735 michael 945 -o)
736     shift
737     ;;
738     $object)
739     shift
740     ;;
741 michael 912 "-Gm"|"/Gm"|"-Gi"|"/Gi"|"-ZI"|"/ZI")
742 michael 1720 set fnord "$@"
743     shift
744     shift
745     ;;
746 michael 912 *)
747 michael 1720 set fnord "$@" "$arg"
748     shift
749     shift
750     ;;
751 michael 912 esac
752     done
753 michael 945 "$@" -E 2>/dev/null |
754     sed -n '/^#line [0-9][0-9]* "\([^"]*\)"/ s::\1:p' | $cygpath_u | sort -u > "$tmpdepfile"
755 michael 912 rm -f "$depfile"
756     echo "$object : \\" > "$depfile"
757 michael 1375 sed < "$tmpdepfile" -n -e 's% %\\ %g' -e '/^\(.*\)$/ s::'"$tab"'\1 \\:p' >> "$depfile"
758     echo "$tab" >> "$depfile"
759 michael 945 sed < "$tmpdepfile" -n -e 's% %\\ %g' -e '/^\(.*\)$/ s::\1\::p' >> "$depfile"
760 michael 912 rm -f "$tmpdepfile"
761     ;;
762    
763 michael 945 msvcmsys)
764     # This case exists only to let depend.m4 do its work. It works by
765     # looking at the text of this script. This case will never be run,
766     # since it is checked for above.
767     exit 1
768     ;;
769    
770 michael 912 none)
771     exec "$@"
772     ;;
773    
774     *)
775     echo "Unknown depmode $depmode" 1>&2
776     exit 1
777     ;;
778     esac
779    
780     exit 0
781    
782     # Local Variables:
783     # mode: shell-script
784     # sh-indentation: 2
785     # eval: (add-hook 'write-file-hooks 'time-stamp)
786     # time-stamp-start: "scriptversion="
787     # time-stamp-format: "%:y-%02m-%02d.%02H"
788 michael 945 # time-stamp-time-zone: "UTC"
789     # time-stamp-end: "; # UTC"
790 michael 912 # End:

Properties

Name Value
svn:eol-style native
svn:executable *