d9898ee8 |
1 | #! /bin/sh |
2 | # depcomp - compile a program generating dependencies as side-effects |
3 | |
4 | scriptversion=2005-07-09.11 |
5 | |
6 | # Copyright (C) 1999, 2000, 2003, 2004, 2005 Free Software Foundation, Inc. |
7 | |
8 | # This program is free software; you can redistribute it and/or modify |
9 | # it under the terms of the GNU General Public License as published by |
10 | # the Free Software Foundation; either version 2, or (at your option) |
11 | # any later version. |
12 | |
13 | # This program is distributed in the hope that it will be useful, |
14 | # but WITHOUT ANY WARRANTY; without even the implied warranty of |
15 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
16 | # GNU General Public License for more details. |
17 | |
18 | # You should have received a copy of the GNU General Public License |
19 | # along with this program; if not, write to the Free Software |
20 | # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
21 | # 02110-1301, USA. |
22 | |
23 | # As a special exception to the GNU General Public License, if you |
24 | # distribute this file as part of a program that contains a |
25 | # configuration script generated by Autoconf, you may include it under |
26 | # the same distribution terms that you use for the rest of that program. |
27 | |
28 | # Originally written by Alexandre Oliva <oliva@dcc.unicamp.br>. |
29 | |
30 | case $1 in |
31 | '') |
32 | echo "$0: No command. Try \`$0 --help' for more information." 1>&2 |
33 | exit 1; |
34 | ;; |
35 | -h | --h*) |
36 | cat <<\EOF |
37 | Usage: depcomp [--help] [--version] PROGRAM [ARGS] |
38 | |
39 | Run PROGRAMS ARGS to compile a file, generating dependencies |
40 | as side-effects. |
41 | |
42 | Environment variables: |
43 | depmode Dependency tracking mode. |
44 | source Source file read by `PROGRAMS ARGS'. |
45 | object Object file output by `PROGRAMS ARGS'. |
46 | DEPDIR directory where to store dependencies. |
47 | depfile Dependency file to output. |
48 | tmpdepfile Temporary file to use when outputing dependencies. |
49 | libtool Whether libtool is used (yes/no). |
50 | |
51 | Report bugs to <bug-automake@gnu.org>. |
52 | EOF |
53 | exit $? |
54 | ;; |
55 | -v | --v*) |
56 | echo "depcomp $scriptversion" |
57 | exit $? |
58 | ;; |
59 | esac |
60 | |
61 | if test -z "$depmode" || test -z "$source" || test -z "$object"; then |
62 | echo "depcomp: Variables source, object and depmode must be set" 1>&2 |
63 | exit 1 |
64 | fi |
65 | |
66 | # Dependencies for sub/bar.o or sub/bar.obj go into sub/.deps/bar.Po. |
67 | depfile=${depfile-`echo "$object" | |
68 | sed 's|[^\\/]*$|'${DEPDIR-.deps}'/&|;s|\.\([^.]*\)$|.P\1|;s|Pobj$|Po|'`} |
69 | tmpdepfile=${tmpdepfile-`echo "$depfile" | sed 's/\.\([^.]*\)$/.T\1/'`} |
70 | |
71 | rm -f "$tmpdepfile" |
72 | |
73 | # Some modes work just like other modes, but use different flags. We |
74 | # parameterize here, but still list the modes in the big case below, |
75 | # to make depend.m4 easier to write. Note that we *cannot* use a case |
76 | # here, because this file can only contain one case statement. |
77 | if test "$depmode" = hp; then |
78 | # HP compiler uses -M and no extra arg. |
79 | gccflag=-M |
80 | depmode=gcc |
81 | fi |
82 | |
83 | if test "$depmode" = dashXmstdout; then |
84 | # This is just like dashmstdout with a different argument. |
85 | dashmflag=-xM |
86 | depmode=dashmstdout |
87 | fi |
88 | |
89 | case "$depmode" in |
90 | gcc3) |
91 | ## gcc 3 implements dependency tracking that does exactly what |
92 | ## we want. Yay! Note: for some reason libtool 1.4 doesn't like |
93 | ## it if -MD -MP comes after the -MF stuff. Hmm. |
94 | "$@" -MT "$object" -MD -MP -MF "$tmpdepfile" |
95 | stat=$? |
96 | if test $stat -eq 0; then : |
97 | else |
98 | rm -f "$tmpdepfile" |
99 | exit $stat |
100 | fi |
101 | mv "$tmpdepfile" "$depfile" |
102 | ;; |
103 | |
104 | gcc) |
105 | ## There are various ways to get dependency output from gcc. Here's |
106 | ## why we pick this rather obscure method: |
107 | ## - Don't want to use -MD because we'd like the dependencies to end |
108 | ## up in a subdir. Having to rename by hand is ugly. |
109 | ## (We might end up doing this anyway to support other compilers.) |
110 | ## - The DEPENDENCIES_OUTPUT environment variable makes gcc act like |
111 | ## -MM, not -M (despite what the docs say). |
112 | ## - Using -M directly means running the compiler twice (even worse |
113 | ## than renaming). |
114 | if test -z "$gccflag"; then |
115 | gccflag=-MD, |
116 | fi |
117 | "$@" -Wp,"$gccflag$tmpdepfile" |
118 | stat=$? |
119 | if test $stat -eq 0; then : |
120 | else |
121 | rm -f "$tmpdepfile" |
122 | exit $stat |
123 | fi |
124 | rm -f "$depfile" |
125 | echo "$object : \\" > "$depfile" |
126 | alpha=ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz |
127 | ## The second -e expression handles DOS-style file names with drive letters. |
128 | sed -e 's/^[^:]*: / /' \ |
129 | -e 's/^['$alpha']:\/[^:]*: / /' < "$tmpdepfile" >> "$depfile" |
130 | ## This next piece of magic avoids the `deleted header file' problem. |
131 | ## The problem is that when a header file which appears in a .P file |
132 | ## is deleted, the dependency causes make to die (because there is |
133 | ## typically no way to rebuild the header). We avoid this by adding |
134 | ## dummy dependencies for each header file. Too bad gcc doesn't do |
135 | ## this for us directly. |
136 | tr ' ' ' |
137 | ' < "$tmpdepfile" | |
138 | ## Some versions of gcc put a space before the `:'. On the theory |
139 | ## that the space means something, we add a space to the output as |
140 | ## well. |
141 | ## Some versions of the HPUX 10.20 sed can't process this invocation |
142 | ## correctly. Breaking it into two sed invocations is a workaround. |
143 | sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile" |
144 | rm -f "$tmpdepfile" |
145 | ;; |
146 | |
147 | hp) |
148 | # This case exists only to let depend.m4 do its work. It works by |
149 | # looking at the text of this script. This case will never be run, |
150 | # since it is checked for above. |
151 | exit 1 |
152 | ;; |
153 | |
154 | sgi) |
155 | if test "$libtool" = yes; then |
156 | "$@" "-Wp,-MDupdate,$tmpdepfile" |
157 | else |
158 | "$@" -MDupdate "$tmpdepfile" |
159 | fi |
160 | stat=$? |
161 | if test $stat -eq 0; then : |
162 | else |
163 | rm -f "$tmpdepfile" |
164 | exit $stat |
165 | fi |
166 | rm -f "$depfile" |
167 | |
168 | if test -f "$tmpdepfile"; then # yes, the sourcefile depend on other files |
169 | echo "$object : \\" > "$depfile" |
170 | |
171 | # Clip off the initial element (the dependent). Don't try to be |
172 | # clever and replace this with sed code, as IRIX sed won't handle |
173 | # lines with more than a fixed number of characters (4096 in |
174 | # IRIX 6.2 sed, 8192 in IRIX 6.5). We also remove comment lines; |
175 | # the IRIX cc adds comments like `#:fec' to the end of the |
176 | # dependency line. |
177 | tr ' ' ' |
178 | ' < "$tmpdepfile" \ |
179 | | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' | \ |
180 | tr ' |
181 | ' ' ' >> $depfile |
182 | echo >> $depfile |
183 | |
184 | # The second pass generates a dummy entry for each header file. |
185 | tr ' ' ' |
186 | ' < "$tmpdepfile" \ |
187 | | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' -e 's/$/:/' \ |
188 | >> $depfile |
189 | else |
190 | # The sourcefile does not contain any dependencies, so just |
191 | # store a dummy comment line, to avoid errors with the Makefile |
192 | # "include basename.Plo" scheme. |
193 | echo "#dummy" > "$depfile" |
194 | fi |
195 | rm -f "$tmpdepfile" |
196 | ;; |
197 | |
198 | aix) |
199 | # The C for AIX Compiler uses -M and outputs the dependencies |
200 | # in a .u file. In older versions, this file always lives in the |
201 | # current directory. Also, the AIX compiler puts `$object:' at the |
202 | # start of each line; $object doesn't have directory information. |
203 | # Version 6 uses the directory in both cases. |
204 | stripped=`echo "$object" | sed 's/\(.*\)\..*$/\1/'` |
205 | tmpdepfile="$stripped.u" |
206 | if test "$libtool" = yes; then |
207 | "$@" -Wc,-M |
208 | else |
209 | "$@" -M |
210 | fi |
211 | stat=$? |
212 | |
213 | if test -f "$tmpdepfile"; then : |
214 | else |
215 | stripped=`echo "$stripped" | sed 's,^.*/,,'` |
216 | tmpdepfile="$stripped.u" |
217 | fi |
218 | |
219 | if test $stat -eq 0; then : |
220 | else |
221 | rm -f "$tmpdepfile" |
222 | exit $stat |
223 | fi |
224 | |
225 | if test -f "$tmpdepfile"; then |
226 | outname="$stripped.o" |
227 | # Each line is of the form `foo.o: dependent.h'. |
228 | # Do two passes, one to just change these to |
229 | # `$object: dependent.h' and one to simply `dependent.h:'. |
230 | sed -e "s,^$outname:,$object :," < "$tmpdepfile" > "$depfile" |
231 | sed -e "s,^$outname: \(.*\)$,\1:," < "$tmpdepfile" >> "$depfile" |
232 | else |
233 | # The sourcefile does not contain any dependencies, so just |
234 | # store a dummy comment line, to avoid errors with the Makefile |
235 | # "include basename.Plo" scheme. |
236 | echo "#dummy" > "$depfile" |
237 | fi |
238 | rm -f "$tmpdepfile" |
239 | ;; |
240 | |
241 | icc) |
242 | # Intel's C compiler understands `-MD -MF file'. However on |
243 | # icc -MD -MF foo.d -c -o sub/foo.o sub/foo.c |
244 | # ICC 7.0 will fill foo.d with something like |
245 | # foo.o: sub/foo.c |
246 | # foo.o: sub/foo.h |
247 | # which is wrong. We want: |
248 | # sub/foo.o: sub/foo.c |
249 | # sub/foo.o: sub/foo.h |
250 | # sub/foo.c: |
251 | # sub/foo.h: |
252 | # ICC 7.1 will output |
253 | # foo.o: sub/foo.c sub/foo.h |
254 | # and will wrap long lines using \ : |
255 | # foo.o: sub/foo.c ... \ |
256 | # sub/foo.h ... \ |
257 | # ... |
258 | |
259 | "$@" -MD -MF "$tmpdepfile" |
260 | stat=$? |
261 | if test $stat -eq 0; then : |
262 | else |
263 | rm -f "$tmpdepfile" |
264 | exit $stat |
265 | fi |
266 | rm -f "$depfile" |
267 | # Each line is of the form `foo.o: dependent.h', |
268 | # or `foo.o: dep1.h dep2.h \', or ` dep3.h dep4.h \'. |
269 | # Do two passes, one to just change these to |
270 | # `$object: dependent.h' and one to simply `dependent.h:'. |
271 | sed "s,^[^:]*:,$object :," < "$tmpdepfile" > "$depfile" |
272 | # Some versions of the HPUX 10.20 sed can't process this invocation |
273 | # correctly. Breaking it into two sed invocations is a workaround. |
274 | sed 's,^[^:]*: \(.*\)$,\1,;s/^\\$//;/^$/d;/:$/d' < "$tmpdepfile" | |
275 | sed -e 's/$/ :/' >> "$depfile" |
276 | rm -f "$tmpdepfile" |
277 | ;; |
278 | |
279 | tru64) |
280 | # The Tru64 compiler uses -MD to generate dependencies as a side |
281 | # effect. `cc -MD -o foo.o ...' puts the dependencies into `foo.o.d'. |
282 | # At least on Alpha/Redhat 6.1, Compaq CCC V6.2-504 seems to put |
283 | # dependencies in `foo.d' instead, so we check for that too. |
284 | # Subdirectories are respected. |
285 | dir=`echo "$object" | sed -e 's|/[^/]*$|/|'` |
286 | test "x$dir" = "x$object" && dir= |
287 | base=`echo "$object" | sed -e 's|^.*/||' -e 's/\.o$//' -e 's/\.lo$//'` |
288 | |
289 | if test "$libtool" = yes; then |
290 | # With Tru64 cc, shared objects can also be used to make a |
291 | # static library. This mecanism is used in libtool 1.4 series to |
292 | # handle both shared and static libraries in a single compilation. |
293 | # With libtool 1.4, dependencies were output in $dir.libs/$base.lo.d. |
294 | # |
295 | # With libtool 1.5 this exception was removed, and libtool now |
296 | # generates 2 separate objects for the 2 libraries. These two |
297 | # compilations output dependencies in in $dir.libs/$base.o.d and |
298 | # in $dir$base.o.d. We have to check for both files, because |
299 | # one of the two compilations can be disabled. We should prefer |
300 | # $dir$base.o.d over $dir.libs/$base.o.d because the latter is |
301 | # automatically cleaned when .libs/ is deleted, while ignoring |
302 | # the former would cause a distcleancheck panic. |
303 | tmpdepfile1=$dir.libs/$base.lo.d # libtool 1.4 |
304 | tmpdepfile2=$dir$base.o.d # libtool 1.5 |
305 | tmpdepfile3=$dir.libs/$base.o.d # libtool 1.5 |
306 | tmpdepfile4=$dir.libs/$base.d # Compaq CCC V6.2-504 |
307 | "$@" -Wc,-MD |
308 | else |
309 | tmpdepfile1=$dir$base.o.d |
310 | tmpdepfile2=$dir$base.d |
311 | tmpdepfile3=$dir$base.d |
312 | tmpdepfile4=$dir$base.d |
313 | "$@" -MD |
314 | fi |
315 | |
316 | stat=$? |
317 | if test $stat -eq 0; then : |
318 | else |
319 | rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" "$tmpdepfile4" |
320 | exit $stat |
321 | fi |
322 | |
323 | for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" "$tmpdepfile4" |
324 | do |
325 | test -f "$tmpdepfile" && break |
326 | done |
327 | if test -f "$tmpdepfile"; then |
328 | sed -e "s,^.*\.[a-z]*:,$object:," < "$tmpdepfile" > "$depfile" |
329 | # That's a tab and a space in the []. |
330 | sed -e 's,^.*\.[a-z]*:[ ]*,,' -e 's,$,:,' < "$tmpdepfile" >> "$depfile" |
331 | else |
332 | echo "#dummy" > "$depfile" |
333 | fi |
334 | rm -f "$tmpdepfile" |
335 | ;; |
336 | |
337 | #nosideeffect) |
338 | # This comment above is used by automake to tell side-effect |
339 | # dependency tracking mechanisms from slower ones. |
340 | |
341 | dashmstdout) |
342 | # Important note: in order to support this mode, a compiler *must* |
343 | # always write the preprocessed file to stdout, regardless of -o. |
344 | "$@" || exit $? |
345 | |
346 | # Remove the call to Libtool. |
347 | if test "$libtool" = yes; then |
348 | while test $1 != '--mode=compile'; do |
349 | shift |
350 | done |
351 | shift |
352 | fi |
353 | |
354 | # Remove `-o $object'. |
355 | IFS=" " |
356 | for arg |
357 | do |
358 | case $arg in |
359 | -o) |
360 | shift |
361 | ;; |
362 | $object) |
363 | shift |
364 | ;; |
365 | *) |
366 | set fnord "$@" "$arg" |
367 | shift # fnord |
368 | shift # $arg |
369 | ;; |
370 | esac |
371 | done |
372 | |
373 | test -z "$dashmflag" && dashmflag=-M |
374 | # Require at least two characters before searching for `:' |
375 | # in the target name. This is to cope with DOS-style filenames: |
376 | # a dependency such as `c:/foo/bar' could be seen as target `c' otherwise. |
377 | "$@" $dashmflag | |
378 | sed 's:^[ ]*[^: ][^:][^:]*\:[ ]*:'"$object"'\: :' > "$tmpdepfile" |
379 | rm -f "$depfile" |
380 | cat < "$tmpdepfile" > "$depfile" |
381 | tr ' ' ' |
382 | ' < "$tmpdepfile" | \ |
383 | ## Some versions of the HPUX 10.20 sed can't process this invocation |
384 | ## correctly. Breaking it into two sed invocations is a workaround. |
385 | sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile" |
386 | rm -f "$tmpdepfile" |
387 | ;; |
388 | |
389 | dashXmstdout) |
390 | # This case only exists to satisfy depend.m4. It is never actually |
391 | # run, as this mode is specially recognized in the preamble. |
392 | exit 1 |
393 | ;; |
394 | |
395 | makedepend) |
396 | "$@" || exit $? |
397 | # Remove any Libtool call |
398 | if test "$libtool" = yes; then |
399 | while test $1 != '--mode=compile'; do |
400 | shift |
401 | done |
402 | shift |
403 | fi |
404 | # X makedepend |
405 | shift |
406 | cleared=no |
407 | for arg in "$@"; do |
408 | case $cleared in |
409 | no) |
410 | set ""; shift |
411 | cleared=yes ;; |
412 | esac |
413 | case "$arg" in |
414 | -D*|-I*) |
415 | set fnord "$@" "$arg"; shift ;; |
416 | # Strip any option that makedepend may not understand. Remove |
417 | # the object too, otherwise makedepend will parse it as a source file. |
418 | -*|$object) |
419 | ;; |
420 | *) |
421 | set fnord "$@" "$arg"; shift ;; |
422 | esac |
423 | done |
424 | obj_suffix="`echo $object | sed 's/^.*\././'`" |
425 | touch "$tmpdepfile" |
426 | ${MAKEDEPEND-makedepend} -o"$obj_suffix" -f"$tmpdepfile" "$@" |
427 | rm -f "$depfile" |
428 | cat < "$tmpdepfile" > "$depfile" |
429 | sed '1,2d' "$tmpdepfile" | tr ' ' ' |
430 | ' | \ |
431 | ## Some versions of the HPUX 10.20 sed can't process this invocation |
432 | ## correctly. Breaking it into two sed invocations is a workaround. |
433 | sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile" |
434 | rm -f "$tmpdepfile" "$tmpdepfile".bak |
435 | ;; |
436 | |
437 | cpp) |
438 | # Important note: in order to support this mode, a compiler *must* |
439 | # always write the preprocessed file to stdout. |
440 | "$@" || exit $? |
441 | |
442 | # Remove the call to Libtool. |
443 | if test "$libtool" = yes; then |
444 | while test $1 != '--mode=compile'; do |
445 | shift |
446 | done |
447 | shift |
448 | fi |
449 | |
450 | # Remove `-o $object'. |
451 | IFS=" " |
452 | for arg |
453 | do |
454 | case $arg in |
455 | -o) |
456 | shift |
457 | ;; |
458 | $object) |
459 | shift |
460 | ;; |
461 | *) |
462 | set fnord "$@" "$arg" |
463 | shift # fnord |
464 | shift # $arg |
465 | ;; |
466 | esac |
467 | done |
468 | |
469 | "$@" -E | |
470 | sed -n -e '/^# [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' \ |
471 | -e '/^#line [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' | |
472 | sed '$ s: \\$::' > "$tmpdepfile" |
473 | rm -f "$depfile" |
474 | echo "$object : \\" > "$depfile" |
475 | cat < "$tmpdepfile" >> "$depfile" |
476 | sed < "$tmpdepfile" '/^$/d;s/^ //;s/ \\$//;s/$/ :/' >> "$depfile" |
477 | rm -f "$tmpdepfile" |
478 | ;; |
479 | |
480 | msvisualcpp) |
481 | # Important note: in order to support this mode, a compiler *must* |
482 | # always write the preprocessed file to stdout, regardless of -o, |
483 | # because we must use -o when running libtool. |
484 | "$@" || exit $? |
485 | IFS=" " |
486 | for arg |
487 | do |
488 | case "$arg" in |
489 | "-Gm"|"/Gm"|"-Gi"|"/Gi"|"-ZI"|"/ZI") |
490 | set fnord "$@" |
491 | shift |
492 | shift |
493 | ;; |
494 | *) |
495 | set fnord "$@" "$arg" |
496 | shift |
497 | shift |
498 | ;; |
499 | esac |
500 | done |
501 | "$@" -E | |
502 | sed -n '/^#line [0-9][0-9]* "\([^"]*\)"/ s::echo "`cygpath -u \\"\1\\"`":p' | sort | uniq > "$tmpdepfile" |
503 | rm -f "$depfile" |
504 | echo "$object : \\" > "$depfile" |
505 | . "$tmpdepfile" | sed 's% %\\ %g' | sed -n '/^\(.*\)$/ s:: \1 \\:p' >> "$depfile" |
506 | echo " " >> "$depfile" |
507 | . "$tmpdepfile" | sed 's% %\\ %g' | sed -n '/^\(.*\)$/ s::\1\::p' >> "$depfile" |
508 | rm -f "$tmpdepfile" |
509 | ;; |
510 | |
511 | none) |
512 | exec "$@" |
513 | ;; |
514 | |
515 | *) |
516 | echo "Unknown depmode $depmode" 1>&2 |
517 | exit 1 |
518 | ;; |
519 | esac |
520 | |
521 | exit 0 |
522 | |
523 | # Local Variables: |
524 | # mode: shell-script |
525 | # sh-indentation: 2 |
526 | # eval: (add-hook 'write-file-hooks 'time-stamp) |
527 | # time-stamp-start: "scriptversion=" |
528 | # time-stamp-format: "%:y-%02m-%02d.%02H" |
529 | # time-stamp-end: "$" |
530 | # End: |