03d7fdf3 |
1 | #! /bin/sh |
2 | |
3 | # depcomp - compile a program generating dependencies as side-effects |
4 | # Copyright 1999, 2000, 2003 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 "$tmpdepfile" |
171 | ;; |
172 | |
173 | aix) |
174 | # The C for AIX Compiler uses -M and outputs the dependencies |
175 | # in a .u file. In older versions, this file always lives in the |
176 | # current directory. Also, the AIX compiler puts `$object:' at the |
177 | # start of each line; $object doesn't have directory information. |
178 | # Version 6 uses the directory in both cases. |
179 | stripped=`echo "$object" | sed 's/\(.*\)\..*$/\1/'` |
180 | tmpdepfile="$stripped.u" |
181 | if test "$libtool" = yes; then |
182 | "$@" -Wc,-M |
183 | else |
184 | "$@" -M |
185 | fi |
186 | stat=$? |
187 | |
188 | if test -f "$tmpdepfile"; then : |
189 | else |
190 | stripped=`echo "$stripped" | sed 's,^.*/,,'` |
191 | tmpdepfile="$stripped.u" |
192 | fi |
193 | |
194 | if test $stat -eq 0; then : |
195 | else |
196 | rm -f "$tmpdepfile" |
197 | exit $stat |
198 | fi |
199 | |
200 | if test -f "$tmpdepfile"; then |
201 | outname="$stripped.o" |
202 | # Each line is of the form `foo.o: dependent.h'. |
203 | # Do two passes, one to just change these to |
204 | # `$object: dependent.h' and one to simply `dependent.h:'. |
205 | sed -e "s,^$outname:,$object :," < "$tmpdepfile" > "$depfile" |
206 | sed -e "s,^$outname: \(.*\)$,\1:," < "$tmpdepfile" >> "$depfile" |
207 | else |
208 | # The sourcefile does not contain any dependencies, so just |
209 | # store a dummy comment line, to avoid errors with the Makefile |
210 | # "include basename.Plo" scheme. |
211 | echo "#dummy" > "$depfile" |
212 | fi |
213 | rm -f "$tmpdepfile" |
214 | ;; |
215 | |
216 | icc) |
217 | # Intel's C compiler understands `-MD -MF file'. However on |
218 | # icc -MD -MF foo.d -c -o sub/foo.o sub/foo.c |
219 | # ICC 7.0 will fill foo.d with something like |
220 | # foo.o: sub/foo.c |
221 | # foo.o: sub/foo.h |
222 | # which is wrong. We want: |
223 | # sub/foo.o: sub/foo.c |
224 | # sub/foo.o: sub/foo.h |
225 | # sub/foo.c: |
226 | # sub/foo.h: |
227 | # ICC 7.1 will output |
228 | # foo.o: sub/foo.c sub/foo.h |
229 | # and will wrap long lines using \ : |
230 | # foo.o: sub/foo.c ... \ |
231 | # sub/foo.h ... \ |
232 | # ... |
233 | |
234 | "$@" -MD -MF "$tmpdepfile" |
235 | stat=$? |
236 | if test $stat -eq 0; then : |
237 | else |
238 | rm -f "$tmpdepfile" |
239 | exit $stat |
240 | fi |
241 | rm -f "$depfile" |
242 | # Each line is of the form `foo.o: dependent.h', |
243 | # or `foo.o: dep1.h dep2.h \', or ` dep3.h dep4.h \'. |
244 | # Do two passes, one to just change these to |
245 | # `$object: dependent.h' and one to simply `dependent.h:'. |
246 | sed "s,^[^:]*:,$object :," < "$tmpdepfile" > "$depfile" |
247 | # Some versions of the HPUX 10.20 sed can't process this invocation |
248 | # correctly. Breaking it into two sed invocations is a workaround. |
249 | sed 's,^[^:]*: \(.*\)$,\1,;s/^\\$//;/^$/d;/:$/d' < "$tmpdepfile" | |
250 | sed -e 's/$/ :/' >> "$depfile" |
251 | rm -f "$tmpdepfile" |
252 | ;; |
253 | |
254 | tru64) |
255 | # The Tru64 compiler uses -MD to generate dependencies as a side |
256 | # effect. `cc -MD -o foo.o ...' puts the dependencies into `foo.o.d'. |
257 | # At least on Alpha/Redhat 6.1, Compaq CCC V6.2-504 seems to put |
258 | # dependencies in `foo.d' instead, so we check for that too. |
259 | # Subdirectories are respected. |
260 | dir=`echo "$object" | sed -e 's|/[^/]*$|/|'` |
261 | test "x$dir" = "x$object" && dir= |
262 | base=`echo "$object" | sed -e 's|^.*/||' -e 's/\.o$//' -e 's/\.lo$//'` |
263 | |
264 | if test "$libtool" = yes; then |
265 | tmpdepfile1="$dir.libs/$base.lo.d" |
266 | tmpdepfile2="$dir.libs/$base.d" |
267 | "$@" -Wc,-MD |
268 | else |
269 | tmpdepfile1="$dir$base.o.d" |
270 | tmpdepfile2="$dir$base.d" |
271 | "$@" -MD |
272 | fi |
273 | |
274 | stat=$? |
275 | if test $stat -eq 0; then : |
276 | else |
277 | rm -f "$tmpdepfile1" "$tmpdepfile2" |
278 | exit $stat |
279 | fi |
280 | |
281 | if test -f "$tmpdepfile1"; then |
282 | tmpdepfile="$tmpdepfile1" |
283 | else |
284 | tmpdepfile="$tmpdepfile2" |
285 | fi |
286 | if test -f "$tmpdepfile"; then |
287 | sed -e "s,^.*\.[a-z]*:,$object:," < "$tmpdepfile" > "$depfile" |
288 | # That's a tab and a space in the []. |
289 | sed -e 's,^.*\.[a-z]*:[ ]*,,' -e 's,$,:,' < "$tmpdepfile" >> "$depfile" |
290 | else |
291 | echo "#dummy" > "$depfile" |
292 | fi |
293 | rm -f "$tmpdepfile" |
294 | ;; |
295 | |
296 | #nosideeffect) |
297 | # This comment above is used by automake to tell side-effect |
298 | # dependency tracking mechanisms from slower ones. |
299 | |
300 | dashmstdout) |
301 | # Important note: in order to support this mode, a compiler *must* |
302 | # always write the preprocessed file to stdout, regardless of -o. |
303 | "$@" || exit $? |
304 | |
305 | # Remove the call to Libtool. |
306 | if test "$libtool" = yes; then |
307 | while test $1 != '--mode=compile'; do |
308 | shift |
309 | done |
310 | shift |
311 | fi |
312 | |
313 | # Remove `-o $object'. |
314 | IFS=" " |
315 | for arg |
316 | do |
317 | case $arg in |
318 | -o) |
319 | shift |
320 | ;; |
321 | $object) |
322 | shift |
323 | ;; |
324 | *) |
325 | set fnord "$@" "$arg" |
326 | shift # fnord |
327 | shift # $arg |
328 | ;; |
329 | esac |
330 | done |
331 | |
332 | test -z "$dashmflag" && dashmflag=-M |
333 | # Require at least two characters before searching for `:' |
334 | # in the target name. This is to cope with DOS-style filenames: |
335 | # a dependency such as `c:/foo/bar' could be seen as target `c' otherwise. |
336 | "$@" $dashmflag | |
337 | sed 's:^[ ]*[^: ][^:][^:]*\:[ ]*:'"$object"'\: :' > "$tmpdepfile" |
338 | rm -f "$depfile" |
339 | cat < "$tmpdepfile" > "$depfile" |
340 | tr ' ' ' |
341 | ' < "$tmpdepfile" | \ |
342 | ## Some versions of the HPUX 10.20 sed can't process this invocation |
343 | ## correctly. Breaking it into two sed invocations is a workaround. |
344 | sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile" |
345 | rm -f "$tmpdepfile" |
346 | ;; |
347 | |
348 | dashXmstdout) |
349 | # This case only exists to satisfy depend.m4. It is never actually |
350 | # run, as this mode is specially recognized in the preamble. |
351 | exit 1 |
352 | ;; |
353 | |
354 | makedepend) |
355 | "$@" || exit $? |
356 | # Remove any Libtool call |
357 | if test "$libtool" = yes; then |
358 | while test $1 != '--mode=compile'; do |
359 | shift |
360 | done |
361 | shift |
362 | fi |
363 | # X makedepend |
364 | shift |
365 | cleared=no |
366 | for arg in "$@"; do |
367 | case $cleared in |
368 | no) |
369 | set ""; shift |
370 | cleared=yes ;; |
371 | esac |
372 | case "$arg" in |
373 | -D*|-I*) |
374 | set fnord "$@" "$arg"; shift ;; |
375 | # Strip any option that makedepend may not understand. Remove |
376 | # the object too, otherwise makedepend will parse it as a source file. |
377 | -*|$object) |
378 | ;; |
379 | *) |
380 | set fnord "$@" "$arg"; shift ;; |
381 | esac |
382 | done |
383 | obj_suffix="`echo $object | sed 's/^.*\././'`" |
384 | touch "$tmpdepfile" |
385 | ${MAKEDEPEND-makedepend} -o"$obj_suffix" -f"$tmpdepfile" "$@" |
386 | rm -f "$depfile" |
387 | cat < "$tmpdepfile" > "$depfile" |
388 | sed '1,2d' "$tmpdepfile" | tr ' ' ' |
389 | ' | \ |
390 | ## Some versions of the HPUX 10.20 sed can't process this invocation |
391 | ## correctly. Breaking it into two sed invocations is a workaround. |
392 | sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile" |
393 | rm -f "$tmpdepfile" "$tmpdepfile".bak |
394 | ;; |
395 | |
396 | cpp) |
397 | # Important note: in order to support this mode, a compiler *must* |
398 | # always write the preprocessed file to stdout. |
399 | "$@" || exit $? |
400 | |
401 | # Remove the call to Libtool. |
402 | if test "$libtool" = yes; then |
403 | while test $1 != '--mode=compile'; do |
404 | shift |
405 | done |
406 | shift |
407 | fi |
408 | |
409 | # Remove `-o $object'. |
410 | IFS=" " |
411 | for arg |
412 | do |
413 | case $arg in |
414 | -o) |
415 | shift |
416 | ;; |
417 | $object) |
418 | shift |
419 | ;; |
420 | *) |
421 | set fnord "$@" "$arg" |
422 | shift # fnord |
423 | shift # $arg |
424 | ;; |
425 | esac |
426 | done |
427 | |
428 | "$@" -E | |
429 | sed -n '/^# [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' | |
430 | sed '$ s: \\$::' > "$tmpdepfile" |
431 | rm -f "$depfile" |
432 | echo "$object : \\" > "$depfile" |
433 | cat < "$tmpdepfile" >> "$depfile" |
434 | sed < "$tmpdepfile" '/^$/d;s/^ //;s/ \\$//;s/$/ :/' >> "$depfile" |
435 | rm -f "$tmpdepfile" |
436 | ;; |
437 | |
438 | msvisualcpp) |
439 | # Important note: in order to support this mode, a compiler *must* |
440 | # always write the preprocessed file to stdout, regardless of -o, |
441 | # because we must use -o when running libtool. |
442 | "$@" || exit $? |
443 | IFS=" " |
444 | for arg |
445 | do |
446 | case "$arg" in |
447 | "-Gm"|"/Gm"|"-Gi"|"/Gi"|"-ZI"|"/ZI") |
448 | set fnord "$@" |
449 | shift |
450 | shift |
451 | ;; |
452 | *) |
453 | set fnord "$@" "$arg" |
454 | shift |
455 | shift |
456 | ;; |
457 | esac |
458 | done |
459 | "$@" -E | |
460 | sed -n '/^#line [0-9][0-9]* "\([^"]*\)"/ s::echo "`cygpath -u \\"\1\\"`":p' | sort | uniq > "$tmpdepfile" |
461 | rm -f "$depfile" |
462 | echo "$object : \\" > "$depfile" |
463 | . "$tmpdepfile" | sed 's% %\\ %g' | sed -n '/^\(.*\)$/ s:: \1 \\:p' >> "$depfile" |
464 | echo " " >> "$depfile" |
465 | . "$tmpdepfile" | sed 's% %\\ %g' | sed -n '/^\(.*\)$/ s::\1\::p' >> "$depfile" |
466 | rm -f "$tmpdepfile" |
467 | ;; |
468 | |
469 | none) |
470 | exec "$@" |
471 | ;; |
472 | |
473 | *) |
474 | echo "Unknown depmode $depmode" 1>&2 |
475 | exit 1 |
476 | ;; |
477 | esac |
478 | |
479 | exit 0 |