Annotation of embedaddon/coova-chilli/depcomp, revision 1.1.1.1
1.1 misho 1: #! /bin/sh
2:
3: # depcomp - compile a program generating dependencies as side-effects
4: # Copyright 1999, 2000 Free Software Foundation, Inc.
5:
6: # This program is free software; you can redistribute it and/or modify
7: # it under the terms of the GNU General Public License as published by
8: # the Free Software Foundation; either version 2, or (at your option)
9: # any later version.
10:
11: # This program is distributed in the hope that it will be useful,
12: # but WITHOUT ANY WARRANTY; without even the implied warranty of
13: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14: # GNU General Public License for more details.
15:
16: # You should have received a copy of the GNU General Public License
17: # along with this program; if not, write to the Free Software
18: # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
19: # 02111-1307, USA.
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: if test -z "$depmode" || test -z "$source" || test -z "$object"; then
29: echo "depcomp: Variables source, object and depmode must be set" 1>&2
30: exit 1
31: fi
32: # `libtool' can also be set to `yes' or `no'.
33:
34: if test -z "$depfile"; then
35: base=`echo "$object" | sed -e 's,^.*/,,' -e 's,\.\([^.]*\)$,.P\1,'`
36: dir=`echo "$object" | sed 's,/.*$,/,'`
37: if test "$dir" = "$object"; then
38: dir=
39: fi
40: # FIXME: should be _deps on DOS.
41: depfile="$dir.deps/$base"
42: fi
43:
44: tmpdepfile=${tmpdepfile-`echo "$depfile" | sed 's/\.\([^.]*\)$/.T\1/'`}
45:
46: rm -f "$tmpdepfile"
47:
48: # Some modes work just like other modes, but use different flags. We
49: # parameterize here, but still list the modes in the big case below,
50: # to make depend.m4 easier to write. Note that we *cannot* use a case
51: # here, because this file can only contain one case statement.
52: if test "$depmode" = hp; then
53: # HP compiler uses -M and no extra arg.
54: gccflag=-M
55: depmode=gcc
56: fi
57:
58: if test "$depmode" = dashXmstdout; then
59: # This is just like dashmstdout with a different argument.
60: dashmflag=-xM
61: depmode=dashmstdout
62: fi
63:
64: case "$depmode" in
65: gcc3)
66: ## gcc 3 implements dependency tracking that does exactly what
67: ## we want. Yay! Note: for some reason libtool 1.4 doesn't like
68: ## it if -MD -MP comes after the -MF stuff. Hmm.
69: "$@" -MT "$object" -MD -MP -MF "$tmpdepfile"
70: stat=$?
71: if test $stat -eq 0; then :
72: else
73: rm -f "$tmpdepfile"
74: exit $stat
75: fi
76: mv "$tmpdepfile" "$depfile"
77: ;;
78:
79: gcc)
80: ## There are various ways to get dependency output from gcc. Here's
81: ## why we pick this rather obscure method:
82: ## - Don't want to use -MD because we'd like the dependencies to end
83: ## up in a subdir. Having to rename by hand is ugly.
84: ## (We might end up doing this anyway to support other compilers.)
85: ## - The DEPENDENCIES_OUTPUT environment variable makes gcc act like
86: ## -MM, not -M (despite what the docs say).
87: ## - Using -M directly means running the compiler twice (even worse
88: ## than renaming).
89: if test -z "$gccflag"; then
90: gccflag=-MD,
91: fi
92: "$@" -Wp,"$gccflag$tmpdepfile"
93: stat=$?
94: if test $stat -eq 0; then :
95: else
96: rm -f "$tmpdepfile"
97: exit $stat
98: fi
99: rm -f "$depfile"
100: echo "$object : \\" > "$depfile"
101: alpha=ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz
102: ## The second -e expression handles DOS-style file names with drive letters.
103: sed -e 's/^[^:]*: / /' \
104: -e 's/^['$alpha']:\/[^:]*: / /' < "$tmpdepfile" >> "$depfile"
105: ## This next piece of magic avoids the `deleted header file' problem.
106: ## The problem is that when a header file which appears in a .P file
107: ## is deleted, the dependency causes make to die (because there is
108: ## typically no way to rebuild the header). We avoid this by adding
109: ## dummy dependencies for each header file. Too bad gcc doesn't do
110: ## this for us directly.
111: tr ' ' '
112: ' < "$tmpdepfile" |
113: ## Some versions of gcc put a space before the `:'. On the theory
114: ## that the space means something, we add a space to the output as
115: ## well.
116: ## Some versions of the HPUX 10.20 sed can't process this invocation
117: ## correctly. Breaking it into two sed invocations is a workaround.
118: sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
119: rm -f "$tmpdepfile"
120: ;;
121:
122: hp)
123: # This case exists only to let depend.m4 do its work. It works by
124: # looking at the text of this script. This case will never be run,
125: # since it is checked for above.
126: exit 1
127: ;;
128:
129: sgi)
130: if test "$libtool" = yes; then
131: "$@" "-Wp,-MDupdate,$tmpdepfile"
132: else
133: "$@" -MDupdate "$tmpdepfile"
134: fi
135: stat=$?
136: if test $stat -eq 0; then :
137: else
138: rm -f "$tmpdepfile"
139: exit $stat
140: fi
141: rm -f "$depfile"
142:
143: if test -f "$tmpdepfile"; then # yes, the sourcefile depend on other files
144: echo "$object : \\" > "$depfile"
145:
146: # Clip off the initial element (the dependent). Don't try to be
147: # clever and replace this with sed code, as IRIX sed won't handle
148: # lines with more than a fixed number of characters (4096 in
149: # IRIX 6.2 sed, 8192 in IRIX 6.5). We also remove comment lines;
150: # the IRIX cc adds comments like `#:fec' to the end of the
151: # dependency line.
152: tr ' ' '
153: ' < "$tmpdepfile" \
154: | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' | \
155: tr '
156: ' ' ' >> $depfile
157: echo >> $depfile
158:
159: # The second pass generates a dummy entry for each header file.
160: tr ' ' '
161: ' < "$tmpdepfile" \
162: | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' -e 's/$/:/' \
163: >> $depfile
164: else
165: # The sourcefile does not contain any dependencies, so just
166: # store a dummy comment line, to avoid errors with the Makefile
167: # "include basename.Plo" scheme.
168: echo "#dummy" > "$depfile"
169: fi
170: rm -f "$tmpdepfile"
171: ;;
172:
173: aix)
174: # The C for AIX Compiler uses -M and outputs the dependencies
175: # in a .u file. This file always lives in the current directory.
176: # Also, the AIX compiler puts `$object:' at the start of each line;
177: # $object doesn't have directory information.
178: stripped=`echo "$object" | sed -e 's,^.*/,,' -e 's/\(.*\)\..*$/\1/'`
179: tmpdepfile="$stripped.u"
180: outname="$stripped.o"
181: if test "$libtool" = yes; then
182: "$@" -Wc,-M
183: else
184: "$@" -M
185: fi
186:
187: stat=$?
188: if test $stat -eq 0; then :
189: else
190: rm -f "$tmpdepfile"
191: exit $stat
192: fi
193:
194: if test -f "$tmpdepfile"; then
195: # Each line is of the form `foo.o: dependent.h'.
196: # Do two passes, one to just change these to
197: # `$object: dependent.h' and one to simply `dependent.h:'.
198: sed -e "s,^$outname:,$object :," < "$tmpdepfile" > "$depfile"
199: sed -e "s,^$outname: \(.*\)$,\1:," < "$tmpdepfile" >> "$depfile"
200: else
201: # The sourcefile does not contain any dependencies, so just
202: # store a dummy comment line, to avoid errors with the Makefile
203: # "include basename.Plo" scheme.
204: echo "#dummy" > "$depfile"
205: fi
206: rm -f "$tmpdepfile"
207: ;;
208:
209: tru64)
210: # The Tru64 compiler uses -MD to generate dependencies as a side
211: # effect. `cc -MD -o foo.o ...' puts the dependencies into `foo.o.d'.
212: # At least on Alpha/Redhat 6.1, Compaq CCC V6.2-504 seems to put
213: # dependencies in `foo.d' instead, so we check for that too.
214: # Subdirectories are respected.
215: dir=`echo "$object" | sed -e 's|/[^/]*$|/|'`
216: test "x$dir" = "x$object" && dir=
217: base=`echo "$object" | sed -e 's|^.*/||' -e 's/\.o$//' -e 's/\.lo$//'`
218:
219: if test "$libtool" = yes; then
220: tmpdepfile1="$dir.libs/$base.lo.d"
221: tmpdepfile2="$dir.libs/$base.d"
222: "$@" -Wc,-MD
223: else
224: tmpdepfile1="$dir$base.o.d"
225: tmpdepfile2="$dir$base.d"
226: "$@" -MD
227: fi
228:
229: stat=$?
230: if test $stat -eq 0; then :
231: else
232: rm -f "$tmpdepfile1" "$tmpdepfile2"
233: exit $stat
234: fi
235:
236: if test -f "$tmpdepfile1"; then
237: tmpdepfile="$tmpdepfile1"
238: else
239: tmpdepfile="$tmpdepfile2"
240: fi
241: if test -f "$tmpdepfile"; then
242: sed -e "s,^.*\.[a-z]*:,$object:," < "$tmpdepfile" > "$depfile"
243: # That's a space and a tab in the [].
244: sed -e 's,^.*\.[a-z]*:[ ]*,,' -e 's,$,:,' < "$tmpdepfile" >> "$depfile"
245: else
246: echo "#dummy" > "$depfile"
247: fi
248: rm -f "$tmpdepfile"
249: ;;
250:
251: #nosideeffect)
252: # This comment above is used by automake to tell side-effect
253: # dependency tracking mechanisms from slower ones.
254:
255: dashmstdout)
256: # Important note: in order to support this mode, a compiler *must*
257: # always write the proprocessed file to stdout, regardless of -o.
258: "$@" || exit $?
259:
260: # Remove the call to Libtool.
261: if test "$libtool" = yes; then
262: while test $1 != '--mode=compile'; do
263: shift
264: done
265: shift
266: fi
267:
268: # Remove `-o $object'. We will use -o /dev/null later,
269: # however we can't do the remplacement now because
270: # `-o $object' might simply not be used
271: IFS=" "
272: for arg
273: do
274: case $arg in
275: -o)
276: shift
277: ;;
278: $object)
279: shift
280: ;;
281: *)
282: set fnord "$@" "$arg"
283: shift # fnord
284: shift # $arg
285: ;;
286: esac
287: done
288:
289: test -z "$dashmflag" && dashmflag=-M
290: "$@" -o /dev/null $dashmflag | sed 's:^[^:]*\:[ ]*:'"$object"'\: :' > "$tmpdepfile"
291: rm -f "$depfile"
292: cat < "$tmpdepfile" > "$depfile"
293: tr ' ' '
294: ' < "$tmpdepfile" | \
295: ## Some versions of the HPUX 10.20 sed can't process this invocation
296: ## correctly. Breaking it into two sed invocations is a workaround.
297: sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
298: rm -f "$tmpdepfile"
299: ;;
300:
301: dashXmstdout)
302: # This case only exists to satisfy depend.m4. It is never actually
303: # run, as this mode is specially recognized in the preamble.
304: exit 1
305: ;;
306:
307: makedepend)
308: "$@" || exit $?
309: # X makedepend
310: shift
311: cleared=no
312: for arg in "$@"; do
313: case $cleared in
314: no)
315: set ""; shift
316: cleared=yes ;;
317: esac
318: case "$arg" in
319: -D*|-I*)
320: set fnord "$@" "$arg"; shift ;;
321: -*)
322: ;;
323: *)
324: set fnord "$@" "$arg"; shift ;;
325: esac
326: done
327: obj_suffix="`echo $object | sed 's/^.*\././'`"
328: touch "$tmpdepfile"
329: ${MAKEDEPEND-makedepend} -o"$obj_suffix" -f"$tmpdepfile" "$@"
330: rm -f "$depfile"
331: cat < "$tmpdepfile" > "$depfile"
332: sed '1,2d' "$tmpdepfile" | tr ' ' '
333: ' | \
334: ## Some versions of the HPUX 10.20 sed can't process this invocation
335: ## correctly. Breaking it into two sed invocations is a workaround.
336: sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
337: rm -f "$tmpdepfile" "$tmpdepfile".bak
338: ;;
339:
340: cpp)
341: # Important note: in order to support this mode, a compiler *must*
342: # always write the proprocessed file to stdout.
343: "$@" || exit $?
344:
345: # Remove the call to Libtool.
346: if test "$libtool" = yes; then
347: while test $1 != '--mode=compile'; do
348: shift
349: done
350: shift
351: fi
352:
353: # Remove `-o $object'.
354: IFS=" "
355: for arg
356: do
357: case $arg in
358: -o)
359: shift
360: ;;
361: $object)
362: shift
363: ;;
364: *)
365: set fnord "$@" "$arg"
366: shift # fnord
367: shift # $arg
368: ;;
369: esac
370: done
371:
372: "$@" -E |
373: sed -n '/^# [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' |
374: sed '$ s: \\$::' > "$tmpdepfile"
375: rm -f "$depfile"
376: echo "$object : \\" > "$depfile"
377: cat < "$tmpdepfile" >> "$depfile"
378: sed < "$tmpdepfile" '/^$/d;s/^ //;s/ \\$//;s/$/ :/' >> "$depfile"
379: rm -f "$tmpdepfile"
380: ;;
381:
382: msvisualcpp)
383: # Important note: in order to support this mode, a compiler *must*
384: # always write the proprocessed file to stdout, regardless of -o,
385: # because we must use -o when running libtool.
386: "$@" || exit $?
387: IFS=" "
388: for arg
389: do
390: case "$arg" in
391: "-Gm"|"/Gm"|"-Gi"|"/Gi"|"-ZI"|"/ZI")
392: set fnord "$@"
393: shift
394: shift
395: ;;
396: *)
397: set fnord "$@" "$arg"
398: shift
399: shift
400: ;;
401: esac
402: done
403: "$@" -E |
404: sed -n '/^#line [0-9][0-9]* "\([^"]*\)"/ s::echo "`cygpath -u \\"\1\\"`":p' | sort | uniq > "$tmpdepfile"
405: rm -f "$depfile"
406: echo "$object : \\" > "$depfile"
407: . "$tmpdepfile" | sed 's% %\\ %g' | sed -n '/^\(.*\)$/ s:: \1 \\:p' >> "$depfile"
408: echo " " >> "$depfile"
409: . "$tmpdepfile" | sed 's% %\\ %g' | sed -n '/^\(.*\)$/ s::\1\::p' >> "$depfile"
410: rm -f "$tmpdepfile"
411: ;;
412:
413: none)
414: exec "$@"
415: ;;
416:
417: *)
418: echo "Unknown depmode $depmode" 1>&2
419: exit 1
420: ;;
421: esac
422:
423: exit 0
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