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