9469555e |
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 "$tmpdepfile" |
198 | ;; |
199 | |
200 | icc) |
201 | # Must come before tru64. |
202 | |
203 | # Intel's C compiler understands `-MD -MF file'. However |
204 | # icc -MD -MF foo.d -c -o sub/foo.o sub/foo.c |
205 | # will fill foo.d with something like |
206 | # foo.o: sub/foo.c |
207 | # foo.o: sub/foo.h |
208 | # which is wrong. We want: |
209 | # sub/foo.o: sub/foo.c |
210 | # sub/foo.o: sub/foo.h |
211 | # sub/foo.c: |
212 | # sub/foo.h: |
213 | |
214 | "$@" -MD -MF "$tmpdepfile" |
215 | stat=$? |
216 | if test $stat -eq 0; then : |
217 | else |
218 | rm -f "$tmpdepfile" |
219 | exit $stat |
220 | fi |
221 | rm -f "$depfile" |
222 | # Each line is of the form `foo.o: dependent.h'. |
223 | # Do two passes, one to just change these to |
224 | # `$object: dependent.h' and one to simply `dependent.h:'. |
225 | sed -e "s,^[^:]*:,$object :," < "$tmpdepfile" > "$depfile" |
226 | sed -e "s,^[^:]*: \(.*\)$,\1:," < "$tmpdepfile" >> "$depfile" |
227 | rm -f "$tmpdepfile" |
228 | ;; |
229 | |
230 | tru64) |
231 | # The Tru64 AIX compiler uses -MD to generate dependencies as a side |
232 | # effect. `cc -MD -o foo.o ...' puts the dependencies into `foo.o.d'. |
233 | # At least on Alpha/Redhat 6.1, Compaq CCC V6.2-504 seems to put |
234 | # dependencies in `foo.d' instead, so we check for that too. |
235 | # Subdirectories are respected. |
236 | |
237 | tmpdepfile1="$object.d" |
238 | tmpdepfile2=`echo "$object" | sed -e 's/.o$/.d/'` |
239 | if test "$libtool" = yes; then |
240 | "$@" -Wc,-MD |
241 | else |
242 | "$@" -MD |
243 | fi |
244 | |
245 | stat=$? |
246 | if test $stat -eq 0; then : |
247 | else |
248 | rm -f "$tmpdepfile1" "$tmpdepfile2" |
249 | exit $stat |
250 | fi |
251 | |
252 | if test -f "$tmpdepfile1"; then |
253 | tmpdepfile="$tmpdepfile1" |
254 | else |
255 | tmpdepfile="$tmpdepfile2" |
256 | fi |
257 | if test -f "$tmpdepfile"; then |
258 | sed -e "s,^.*\.[a-z]*:,$object:," < "$tmpdepfile" > "$depfile" |
259 | # That's a space and a tab in the []. |
260 | sed -e 's,^.*\.[a-z]*:[ ]*,,' -e 's,$,:,' < "$tmpdepfile" >> "$depfile" |
261 | else |
262 | echo "#dummy" > "$depfile" |
263 | fi |
264 | rm -f "$tmpdepfile" |
265 | ;; |
266 | |
267 | #nosideeffect) |
268 | # This comment above is used by automake to tell side-effect |
269 | # dependency tracking mechanisms from slower ones. |
270 | |
271 | dashmstdout) |
272 | # Important note: in order to support this mode, a compiler *must* |
273 | # always write the proprocessed file to stdout, regardless of -o, |
274 | # because we must use -o when running libtool. |
275 | test -z "$dashmflag" && dashmflag=-M |
276 | ( IFS=" " |
277 | case " $* " in |
278 | *" --mode=compile "*) # this is libtool, let us make it quiet |
279 | for arg |
280 | do # cycle over the arguments |
281 | case "$arg" in |
282 | "--mode=compile") |
283 | # insert --quiet before "--mode=compile" |
284 | set fnord "$@" --quiet |
285 | shift # fnord |
286 | ;; |
287 | esac |
288 | set fnord "$@" "$arg" |
289 | shift # fnord |
290 | shift # "$arg" |
291 | done |
292 | ;; |
293 | esac |
294 | "$@" $dashmflag | sed 's:^[^:]*\:[ ]*:'"$object"'\: :' > "$tmpdepfile" |
295 | ) & |
296 | proc=$! |
297 | "$@" |
298 | stat=$? |
299 | wait "$proc" |
300 | if test "$stat" != 0; then exit $stat; fi |
301 | rm -f "$depfile" |
302 | cat < "$tmpdepfile" > "$depfile" |
303 | tr ' ' ' |
304 | ' < "$tmpdepfile" | \ |
305 | ## Some versions of the HPUX 10.20 sed can't process this invocation |
306 | ## correctly. Breaking it into two sed invocations is a workaround. |
307 | sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile" |
308 | rm -f "$tmpdepfile" |
309 | ;; |
310 | |
311 | dashXmstdout) |
312 | # This case only exists to satisfy depend.m4. It is never actually |
313 | # run, as this mode is specially recognized in the preamble. |
314 | exit 1 |
315 | ;; |
316 | |
317 | makedepend) |
318 | # X makedepend |
319 | ( |
320 | shift |
321 | cleared=no |
322 | for arg in "$@"; do |
323 | case $cleared in no) |
324 | set ""; shift |
325 | cleared=yes |
326 | esac |
327 | case "$arg" in |
328 | -D*|-I*) |
329 | set fnord "$@" "$arg"; shift;; |
330 | -*) |
331 | ;; |
332 | *) |
333 | set fnord "$@" "$arg"; shift;; |
334 | esac |
335 | done |
336 | obj_suffix="`echo $object | sed 's/^.*\././'`" |
337 | touch "$tmpdepfile" |
338 | ${MAKEDEPEND-makedepend} 2>/dev/null -o"$obj_suffix" -f"$tmpdepfile" "$@" |
339 | ) & |
340 | proc=$! |
341 | "$@" |
342 | stat=$? |
343 | wait "$proc" |
344 | if test "$stat" != 0; then exit $stat; fi |
345 | rm -f "$depfile" |
346 | cat < "$tmpdepfile" > "$depfile" |
347 | tail +3 "$tmpdepfile" | tr ' ' ' |
348 | ' | \ |
349 | ## Some versions of the HPUX 10.20 sed can't process this invocation |
350 | ## correctly. Breaking it into two sed invocations is a workaround. |
351 | sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile" |
352 | rm -f "$tmpdepfile" "$tmpdepfile".bak |
353 | ;; |
354 | |
355 | cpp) |
356 | # Important note: in order to support this mode, a compiler *must* |
357 | # always write the proprocessed file to stdout, regardless of -o, |
358 | # because we must use -o when running libtool. |
359 | ( IFS=" " |
360 | case " $* " in |
361 | *" --mode=compile "*) |
362 | for arg |
363 | do # cycle over the arguments |
364 | case $arg in |
365 | "--mode=compile") |
366 | # insert --quiet before "--mode=compile" |
367 | set fnord "$@" --quiet |
368 | shift # fnord |
369 | ;; |
370 | esac |
371 | set fnord "$@" "$arg" |
372 | shift # fnord |
373 | shift # "$arg" |
374 | done |
375 | ;; |
376 | esac |
377 | "$@" -E | |
378 | sed -n '/^# [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' | |
379 | sed '$ s: \\$::' > "$tmpdepfile" |
380 | ) & |
381 | proc=$! |
382 | "$@" |
383 | stat=$? |
384 | wait "$proc" |
385 | if test "$stat" != 0; then exit $stat; fi |
386 | rm -f "$depfile" |
387 | echo "$object : \\" > "$depfile" |
388 | cat < "$tmpdepfile" >> "$depfile" |
389 | sed < "$tmpdepfile" '/^$/d;s/^ //;s/ \\$//;s/$/ :/' >> "$depfile" |
390 | rm -f "$tmpdepfile" |
391 | ;; |
392 | |
393 | msvisualcpp) |
394 | # Important note: in order to support this mode, a compiler *must* |
395 | # always write the proprocessed file to stdout, regardless of -o, |
396 | # because we must use -o when running libtool. |
397 | ( IFS=" " |
398 | case " $* " in |
399 | *" --mode=compile "*) |
400 | for arg |
401 | do # cycle over the arguments |
402 | case $arg in |
403 | "--mode=compile") |
404 | # insert --quiet before "--mode=compile" |
405 | set fnord "$@" --quiet |
406 | shift # fnord |
407 | ;; |
408 | esac |
409 | set fnord "$@" "$arg" |
410 | shift # fnord |
411 | shift # "$arg" |
412 | done |
413 | ;; |
414 | esac |
415 | "$@" -E | |
416 | sed -n '/^#line [0-9][0-9]* "\([^"]*\)"/ s::echo "`cygpath -u \\"\1\\"`":p' | sort | uniq > "$tmpdepfile" |
417 | ) & |
418 | proc=$! |
419 | "$@" |
420 | stat=$? |
421 | wait "$proc" |
422 | if test "$stat" != 0; then exit $stat; fi |
423 | rm -f "$depfile" |
424 | echo "$object : \\" > "$depfile" |
425 | . "$tmpdepfile" | sed 's% %\\ %g' | sed -n '/^\(.*\)$/ s:: \1 \\:p' >> "$depfile" |
426 | echo " " >> "$depfile" |
427 | . "$tmpdepfile" | sed 's% %\\ %g' | sed -n '/^\(.*\)$/ s::\1\::p' >> "$depfile" |
428 | rm -f "$tmpdepfile" |
429 | ;; |
430 | |
431 | none) |
432 | exec "$@" |
433 | ;; |
434 | |
435 | *) |
436 | echo "Unknown depmode $depmode" 1>&2 |
437 | exit 1 |
438 | ;; |
439 | esac |
440 | |
441 | exit 0 |