Annotation of embedaddon/pcre/depcomp, revision 1.1.1.3
1.1 misho 1: #! /bin/sh
2: # depcomp - compile a program generating dependencies as side-effects
3:
1.1.1.3 ! misho 4: scriptversion=2013-05-30.07; # UTC
1.1 misho 5:
1.1.1.2 misho 6: # Copyright (C) 1999-2013 Free Software Foundation, Inc.
1.1 misho 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 <http://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: '')
1.1.1.2 misho 30: echo "$0: No command. Try '$0 --help' for more information." 1>&2
31: exit 1;
32: ;;
1.1 misho 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.
1.1.1.2 misho 42: source Source file read by 'PROGRAMS ARGS'.
43: object Object file output by 'PROGRAMS ARGS'.
1.1 misho 44: DEPDIR directory where to store dependencies.
45: depfile Dependency file to output.
1.1.1.2 misho 46: tmpdepfile Temporary file to use when outputting dependencies.
1.1 misho 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 $?
56: ;;
57: esac
58:
1.1.1.2 misho 59: # Get the directory component of the given path, and save it in the
60: # global variables '$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:
1.1 misho 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:
1.1.1.2 misho 131: # Avoid interferences from the environment.
132: gccflag= dashmflag=
133:
1.1 misho 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
1.1.1.2 misho 145: # This is just like dashmstdout with a different argument.
146: dashmflag=-xM
147: depmode=dashmstdout
1.1 misho 148: fi
149:
150: cygpath_u="cygpath -u -f -"
151: if test "$depmode" = msvcmsys; then
1.1.1.2 misho 152: # This is just like msvisualcpp but w/o cygpath translation.
153: # Just convert the backslash-escaped backslashes to single forward
154: # slashes to satisfy depend.m4
155: cygpath_u='sed s,\\\\,/,g'
156: depmode=msvisualcpp
157: fi
158:
159: if test "$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 "$depmode" = xlc; then
168: # IBM C/C++ Compilers xlc/xlC can output gcc-like dependency information.
169: gccflag=-qmakedep=gcc,-MF
170: depmode=gcc
1.1 misho 171: fi
172:
173: case "$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=$?
1.1.1.2 misho 193: if test $stat -ne 0; then
1.1 misho 194: rm -f "$tmpdepfile"
195: exit $stat
196: fi
197: mv "$tmpdepfile" "$depfile"
198: ;;
199:
200: gcc)
1.1.1.2 misho 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 $gccflag above).
1.1 misho 204: ## There are various ways to get dependency output from gcc. Here's
205: ## why we pick this rather obscure method:
206: ## - Don't want to use -MD because we'd like the dependencies to end
207: ## up in a subdir. Having to rename by hand is ugly.
208: ## (We might end up doing this anyway to support other compilers.)
209: ## - The DEPENDENCIES_OUTPUT environment variable makes gcc act like
1.1.1.2 misho 210: ## -MM, not -M (despite what the docs say). Also, it might not be
211: ## supported by the other compilers which use the 'gcc' depmode.
1.1 misho 212: ## - Using -M directly means running the compiler twice (even worse
213: ## than renaming).
214: if test -z "$gccflag"; then
215: gccflag=-MD,
216: fi
217: "$@" -Wp,"$gccflag$tmpdepfile"
218: stat=$?
1.1.1.2 misho 219: if test $stat -ne 0; then
1.1 misho 220: rm -f "$tmpdepfile"
221: exit $stat
222: fi
223: rm -f "$depfile"
224: echo "$object : \\" > "$depfile"
1.1.1.2 misho 225: # The second -e expression handles DOS-style file names with drive
226: # letters.
1.1 misho 227: sed -e 's/^[^:]*: / /' \
228: -e 's/^['$alpha']:\/[^:]*: / /' < "$tmpdepfile" >> "$depfile"
1.1.1.2 misho 229: ## This next piece of magic avoids the "deleted header file" problem.
1.1 misho 230: ## The problem is that when a header file which appears in a .P file
231: ## is deleted, the dependency causes make to die (because there is
232: ## typically no way to rebuild the header). We avoid this by adding
233: ## dummy dependencies for each header file. Too bad gcc doesn't do
234: ## this for us directly.
1.1.1.2 misho 235: ## Some versions of gcc put a space before the ':'. On the theory
1.1 misho 236: ## that the space means something, we add a space to the output as
1.1.1.2 misho 237: ## well. hp depmode also adds that space, but also prefixes the VPATH
238: ## to the object. Take care to not repeat it in the output.
1.1 misho 239: ## Some versions of the HPUX 10.20 sed can't process this invocation
240: ## correctly. Breaking it into two sed invocations is a workaround.
1.1.1.2 misho 241: tr ' ' "$nl" < "$tmpdepfile" \
242: | sed -e 's/^\\$//' -e '/^$/d' -e "s|.*$object$||" -e '/:$/d' \
243: | sed -e 's/$/ :/' >> "$depfile"
1.1 misho 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=$?
1.1.1.2 misho 261: if test $stat -ne 0; then
1.1 misho 262: rm -f "$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 : \\" > "$depfile"
269: # Clip off the initial element (the dependent). Don't try to be
270: # clever and replace this with sed code, as IRIX sed won't handle
271: # lines with more than a fixed number of characters (4096 in
272: # IRIX 6.2 sed, 8192 in IRIX 6.5). We also remove comment lines;
1.1.1.2 misho 273: # the IRIX cc adds comments like '#:fec' to the end of the
1.1 misho 274: # dependency line.
1.1.1.2 misho 275: tr ' ' "$nl" < "$tmpdepfile" \
276: | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' \
277: | tr "$nl" ' ' >> "$depfile"
1.1 misho 278: echo >> "$depfile"
279: # The second pass generates a dummy entry for each header file.
1.1.1.2 misho 280: tr ' ' "$nl" < "$tmpdepfile" \
281: | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' -e 's/$/:/' \
282: >> "$depfile"
1.1 misho 283: else
1.1.1.2 misho 284: make_dummy_depfile
1.1 misho 285: fi
286: rm -f "$tmpdepfile"
287: ;;
288:
1.1.1.2 misho 289: xlc)
290: # This case exists only to let depend.m4 do its work. It works by
291: # looking at the text of this script. This case will never be run,
292: # since it is checked for above.
293: exit 1
294: ;;
295:
1.1 misho 296: aix)
297: # The C for AIX Compiler uses -M and outputs the dependencies
298: # in a .u file. In older versions, this file always lives in the
1.1.1.2 misho 299: # current directory. Also, the AIX compiler puts '$object:' at the
1.1 misho 300: # start of each line; $object doesn't have directory information.
301: # Version 6 uses the directory in both cases.
1.1.1.2 misho 302: set_dir_from "$object"
303: set_base_from "$object"
1.1 misho 304: if test "$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: "$@" -M
314: fi
315: stat=$?
1.1.1.2 misho 316: if test $stat -ne 0; then
1.1 misho 317: rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
318: exit $stat
319: fi
320:
321: for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
322: do
323: test -f "$tmpdepfile" && break
324: done
1.1.1.2 misho 325: aix_post_process_depfile
326: ;;
327:
328: tcc)
329: # tcc (Tiny C Compiler) understand '-MD -MF file' since version 0.9.26
330: # FIXME: That version still under development at the moment of writing.
331: # Make that this statement remains true also for stable, released
332: # versions.
333: # It will wrap lines (doesn't matter whether long or short) with a
334: # trailing '\', as in:
335: #
336: # foo.o : \
337: # foo.c \
338: # foo.h \
339: #
340: # It will put a trailing '\' even on the last line, and will use leading
341: # spaces rather than leading tabs (at least since its commit 0394caf7
342: # "Emit spaces for -MD").
343: "$@" -MD -MF "$tmpdepfile"
344: stat=$?
345: if test $stat -ne 0; then
346: rm -f "$tmpdepfile"
347: exit $stat
1.1 misho 348: fi
1.1.1.2 misho 349: rm -f "$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"
1.1 misho 356: rm -f "$tmpdepfile"
357: ;;
358:
1.1.1.2 misho 359: ## The order of this option in the case statement is important, since the
360: ## shell code in configure will try each of these formats in the order
361: ## listed in this file. A plain '-MD' option would be understood by many
362: ## compilers, so we must ensure this comes after the gcc and icc options.
363: pgcc)
364: # Portland's C compiler understands '-MD'.
365: # Will always output deps to 'file.d' where file is the root name of the
366: # source file under compilation, even if file resides in a subdirectory.
367: # The object file name does not affect the name of the '.d' file.
368: # pgcc 10.2 will output
1.1 misho 369: # foo.o: sub/foo.c sub/foo.h
1.1.1.2 misho 370: # and will wrap long lines using '\' :
1.1 misho 371: # foo.o: sub/foo.c ... \
372: # sub/foo.h ... \
373: # ...
1.1.1.2 misho 374: set_dir_from "$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
1.1 misho 417:
1.1.1.2 misho 418: if test $stat -ne 0; then
1.1 misho 419: rm -f "$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.
1.1.1.2 misho 430: sed 's,^[^:]*: \(.*\)$,\1,;s/^\\$//;/^$/d;/:$/d' < "$tmpdepfile" \
431: | sed -e 's/$/ :/' >> "$depfile"
1.1 misho 432: rm -f "$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.
1.1.1.2 misho 442: set_dir_from "$object"
443: set_base_from "$object"
1.1 misho 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: "$@" +Maked
452: fi
453: stat=$?
1.1.1.2 misho 454: if test $stat -ne 0; then
1.1 misho 455: rm -f "$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 "$tmpdepfile"; then
1.1.1.2 misho 464: sed -e "s,^.*\.[$lower]*:,$object:," "$tmpdepfile" > "$depfile"
465: # Add 'dependent.h:' lines.
1.1 misho 466: sed -ne '2,${
1.1.1.2 misho 467: s/^ *//
468: s/ \\*$//
469: s/$/:/
470: p
471: }' "$tmpdepfile" >> "$depfile"
1.1 misho 472: else
1.1.1.2 misho 473: make_dummy_depfile
1.1 misho 474: fi
475: rm -f "$tmpdepfile" "$tmpdepfile2"
476: ;;
477:
478: tru64)
1.1.1.2 misho 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 $stat
510: fi
1.1 misho 511:
1.1.1.2 misho 512: for tmpdepfile in "$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"
1.1.1.3 ! misho 555: echo >> "$depfile" # make sure the fragment doesn't end with a backslash
1.1.1.2 misho 556: rm -f "$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: ;;
1.1 misho 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:
1.1.1.2 misho 583: # Remove '-o $object'.
1.1 misho 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
1.1.1.2 misho 603: # Require at least two characters before searching for ':'
1.1 misho 604: # in the target name. This is to cope with DOS-style filenames:
1.1.1.2 misho 605: # a dependency such as 'c:/foo/bar' could be seen as target 'c' otherwise.
1.1 misho 606: "$@" $dashmflag |
1.1.1.2 misho 607: sed "s|^[$tab ]*[^:$tab ][^:][^:]*:[$tab ]*|$object: |" > "$tmpdepfile"
1.1 misho 608: rm -f "$depfile"
609: cat < "$tmpdepfile" > "$depfile"
1.1.1.2 misho 610: # Some versions of the HPUX 10.20 sed can't process this sed invocation
611: # correctly. Breaking it into two sed invocations is a workaround.
612: tr ' ' "$nl" < "$tmpdepfile" \
613: | sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' \
614: | sed -e 's/$/ :/' >> "$depfile"
1.1 misho 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"
1.1.1.2 misho 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"
1.1 misho 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:
1.1.1.2 misho 689: # Remove '-o $object'.
1.1 misho 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 # $arg
704: ;;
705: esac
706: done
707:
1.1.1.2 misho 708: "$@" -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: \\$::' > "$tmpdepfile"
1.1 misho 712: rm -f "$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: $object)
740: shift
741: ;;
742: "-Gm"|"/Gm"|"-Gi"|"/Gi"|"-ZI"|"/ZI")
1.1.1.2 misho 743: set fnord "$@"
744: shift
745: shift
746: ;;
1.1 misho 747: *)
1.1.1.2 misho 748: set fnord "$@" "$arg"
749: shift
750: shift
751: ;;
1.1 misho 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 : \\" > "$depfile"
1.1.1.2 misho 758: sed < "$tmpdepfile" -n -e 's% %\\ %g' -e '/^\(.*\)$/ s::'"$tab"'\1 \\:p' >> "$depfile"
759: echo "$tab" >> "$depfile"
1.1 misho 760: sed < "$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 'write-file-hooks 'time-stamp)
787: # time-stamp-start: "scriptversion="
788: # time-stamp-format: "%:y-%02m-%02d.%02H"
789: # time-stamp-time-zone: "UTC"
790: # time-stamp-end: "; # UTC"
791: # End:
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