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Revision 199 - (hide annotations)
Mon Apr 17 15:16:53 2006 UTC (15 years, 3 months ago) by gregoa
Original Path: cdck/branches/upstream/current/depcomp
File size: 12123 byte(s)
[svn-inject] Installing original source of cdck
1 gregoa 199 #! /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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