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dabf4152 AM |
1 | #! /bin/sh |
2 | # depcomp - compile a program generating dependencies as side-effects | |
3 | ||
fab61e3d | 4 | scriptversion=2012-03-27.16; # UTC |
dabf4152 | 5 | |
fab61e3d AM |
6 | # Copyright (C) 1999, 2000, 2003, 2004, 2005, 2006, 2007, 2009, 2010, |
7 | # 2011, 2012 Free Software Foundation, Inc. | |
dabf4152 AM |
8 | |
9 | # This program is free software; you can redistribute it and/or modify | |
10 | # it under the terms of the GNU General Public License as published by | |
11 | # the Free Software Foundation; either version 2, or (at your option) | |
12 | # any later version. | |
13 | ||
14 | # This program is distributed in the hope that it will be useful, | |
15 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | # GNU General Public License for more details. | |
18 | ||
19 | # You should have received a copy of the GNU General Public License | |
20 | # along with this program. If not, see <http://www.gnu.org/licenses/>. | |
21 | ||
22 | # As a special exception to the GNU General Public License, if you | |
23 | # distribute this file as part of a program that contains a | |
24 | # configuration script generated by Autoconf, you may include it under | |
25 | # the same distribution terms that you use for the rest of that program. | |
26 | ||
27 | # Originally written by Alexandre Oliva <oliva@dcc.unicamp.br>. | |
28 | ||
29 | case $1 in | |
30 | '') | |
fab61e3d | 31 | echo "$0: No command. Try '$0 --help' for more information." 1>&2 |
dabf4152 AM |
32 | exit 1; |
33 | ;; | |
34 | -h | --h*) | |
35 | cat <<\EOF | |
36 | Usage: depcomp [--help] [--version] PROGRAM [ARGS] | |
37 | ||
38 | Run PROGRAMS ARGS to compile a file, generating dependencies | |
39 | as side-effects. | |
40 | ||
41 | Environment variables: | |
42 | depmode Dependency tracking mode. | |
fab61e3d AM |
43 | source Source file read by 'PROGRAMS ARGS'. |
44 | object Object file output by 'PROGRAMS ARGS'. | |
dabf4152 AM |
45 | DEPDIR directory where to store dependencies. |
46 | depfile Dependency file to output. | |
fab61e3d | 47 | tmpdepfile Temporary file to use when outputting dependencies. |
dabf4152 AM |
48 | libtool Whether libtool is used (yes/no). |
49 | ||
50 | Report bugs to <bug-automake@gnu.org>. | |
51 | EOF | |
52 | exit $? | |
53 | ;; | |
54 | -v | --v*) | |
55 | echo "depcomp $scriptversion" | |
56 | exit $? | |
57 | ;; | |
58 | esac | |
59 | ||
fab61e3d AM |
60 | # A tabulation character. |
61 | tab=' ' | |
62 | # A newline character. | |
63 | nl=' | |
64 | ' | |
65 | ||
dabf4152 AM |
66 | if test -z "$depmode" || test -z "$source" || test -z "$object"; then |
67 | echo "depcomp: Variables source, object and depmode must be set" 1>&2 | |
68 | exit 1 | |
69 | fi | |
70 | ||
71 | # Dependencies for sub/bar.o or sub/bar.obj go into sub/.deps/bar.Po. | |
72 | depfile=${depfile-`echo "$object" | | |
73 | sed 's|[^\\/]*$|'${DEPDIR-.deps}'/&|;s|\.\([^.]*\)$|.P\1|;s|Pobj$|Po|'`} | |
74 | tmpdepfile=${tmpdepfile-`echo "$depfile" | sed 's/\.\([^.]*\)$/.T\1/'`} | |
75 | ||
76 | rm -f "$tmpdepfile" | |
77 | ||
78 | # Some modes work just like other modes, but use different flags. We | |
79 | # parameterize here, but still list the modes in the big case below, | |
80 | # to make depend.m4 easier to write. Note that we *cannot* use a case | |
81 | # here, because this file can only contain one case statement. | |
82 | if test "$depmode" = hp; then | |
83 | # HP compiler uses -M and no extra arg. | |
84 | gccflag=-M | |
85 | depmode=gcc | |
86 | fi | |
87 | ||
88 | if test "$depmode" = dashXmstdout; then | |
89 | # This is just like dashmstdout with a different argument. | |
90 | dashmflag=-xM | |
91 | depmode=dashmstdout | |
92 | fi | |
93 | ||
94 | cygpath_u="cygpath -u -f -" | |
95 | if test "$depmode" = msvcmsys; then | |
96 | # This is just like msvisualcpp but w/o cygpath translation. | |
97 | # Just convert the backslash-escaped backslashes to single forward | |
98 | # slashes to satisfy depend.m4 | |
fab61e3d | 99 | cygpath_u='sed s,\\\\,/,g' |
dabf4152 AM |
100 | depmode=msvisualcpp |
101 | fi | |
102 | ||
fab61e3d AM |
103 | if test "$depmode" = msvc7msys; then |
104 | # This is just like msvc7 but w/o cygpath translation. | |
105 | # Just convert the backslash-escaped backslashes to single forward | |
106 | # slashes to satisfy depend.m4 | |
107 | cygpath_u='sed s,\\\\,/,g' | |
108 | depmode=msvc7 | |
109 | fi | |
110 | ||
111 | if test "$depmode" = xlc; then | |
112 | # IBM C/C++ Compilers xlc/xlC can output gcc-like dependency informations. | |
113 | gccflag=-qmakedep=gcc,-MF | |
114 | depmode=gcc | |
115 | fi | |
116 | ||
dabf4152 AM |
117 | case "$depmode" in |
118 | gcc3) | |
119 | ## gcc 3 implements dependency tracking that does exactly what | |
120 | ## we want. Yay! Note: for some reason libtool 1.4 doesn't like | |
121 | ## it if -MD -MP comes after the -MF stuff. Hmm. | |
122 | ## Unfortunately, FreeBSD c89 acceptance of flags depends upon | |
123 | ## the command line argument order; so add the flags where they | |
124 | ## appear in depend2.am. Note that the slowdown incurred here | |
125 | ## affects only configure: in makefiles, %FASTDEP% shortcuts this. | |
126 | for arg | |
127 | do | |
128 | case $arg in | |
129 | -c) set fnord "$@" -MT "$object" -MD -MP -MF "$tmpdepfile" "$arg" ;; | |
130 | *) set fnord "$@" "$arg" ;; | |
131 | esac | |
132 | shift # fnord | |
133 | shift # $arg | |
134 | done | |
135 | "$@" | |
136 | stat=$? | |
137 | if test $stat -eq 0; then : | |
138 | else | |
139 | rm -f "$tmpdepfile" | |
140 | exit $stat | |
141 | fi | |
142 | mv "$tmpdepfile" "$depfile" | |
143 | ;; | |
144 | ||
145 | gcc) | |
146 | ## There are various ways to get dependency output from gcc. Here's | |
147 | ## why we pick this rather obscure method: | |
148 | ## - Don't want to use -MD because we'd like the dependencies to end | |
149 | ## up in a subdir. Having to rename by hand is ugly. | |
150 | ## (We might end up doing this anyway to support other compilers.) | |
151 | ## - The DEPENDENCIES_OUTPUT environment variable makes gcc act like | |
152 | ## -MM, not -M (despite what the docs say). | |
153 | ## - Using -M directly means running the compiler twice (even worse | |
154 | ## than renaming). | |
155 | if test -z "$gccflag"; then | |
156 | gccflag=-MD, | |
157 | fi | |
158 | "$@" -Wp,"$gccflag$tmpdepfile" | |
159 | stat=$? | |
160 | if test $stat -eq 0; then : | |
161 | else | |
162 | rm -f "$tmpdepfile" | |
163 | exit $stat | |
164 | fi | |
165 | rm -f "$depfile" | |
166 | echo "$object : \\" > "$depfile" | |
167 | alpha=ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz | |
168 | ## The second -e expression handles DOS-style file names with drive letters. | |
169 | sed -e 's/^[^:]*: / /' \ | |
170 | -e 's/^['$alpha']:\/[^:]*: / /' < "$tmpdepfile" >> "$depfile" | |
fab61e3d | 171 | ## This next piece of magic avoids the "deleted header file" problem. |
dabf4152 AM |
172 | ## The problem is that when a header file which appears in a .P file |
173 | ## is deleted, the dependency causes make to die (because there is | |
174 | ## typically no way to rebuild the header). We avoid this by adding | |
175 | ## dummy dependencies for each header file. Too bad gcc doesn't do | |
176 | ## this for us directly. | |
fab61e3d AM |
177 | tr ' ' "$nl" < "$tmpdepfile" | |
178 | ## Some versions of gcc put a space before the ':'. On the theory | |
dabf4152 | 179 | ## that the space means something, we add a space to the output as |
fab61e3d AM |
180 | ## well. hp depmode also adds that space, but also prefixes the VPATH |
181 | ## to the object. Take care to not repeat it in the output. | |
dabf4152 AM |
182 | ## Some versions of the HPUX 10.20 sed can't process this invocation |
183 | ## correctly. Breaking it into two sed invocations is a workaround. | |
fab61e3d AM |
184 | sed -e 's/^\\$//' -e '/^$/d' -e "s|.*$object$||" -e '/:$/d' \ |
185 | | sed -e 's/$/ :/' >> "$depfile" | |
dabf4152 AM |
186 | rm -f "$tmpdepfile" |
187 | ;; | |
188 | ||
189 | hp) | |
190 | # This case exists only to let depend.m4 do its work. It works by | |
191 | # looking at the text of this script. This case will never be run, | |
192 | # since it is checked for above. | |
193 | exit 1 | |
194 | ;; | |
195 | ||
196 | sgi) | |
197 | if test "$libtool" = yes; then | |
198 | "$@" "-Wp,-MDupdate,$tmpdepfile" | |
199 | else | |
200 | "$@" -MDupdate "$tmpdepfile" | |
201 | fi | |
202 | stat=$? | |
203 | if test $stat -eq 0; then : | |
204 | else | |
205 | rm -f "$tmpdepfile" | |
206 | exit $stat | |
207 | fi | |
208 | rm -f "$depfile" | |
209 | ||
210 | if test -f "$tmpdepfile"; then # yes, the sourcefile depend on other files | |
211 | echo "$object : \\" > "$depfile" | |
212 | ||
213 | # Clip off the initial element (the dependent). Don't try to be | |
214 | # clever and replace this with sed code, as IRIX sed won't handle | |
215 | # lines with more than a fixed number of characters (4096 in | |
216 | # IRIX 6.2 sed, 8192 in IRIX 6.5). We also remove comment lines; | |
fab61e3d | 217 | # the IRIX cc adds comments like '#:fec' to the end of the |
dabf4152 | 218 | # dependency line. |
fab61e3d | 219 | tr ' ' "$nl" < "$tmpdepfile" \ |
dabf4152 | 220 | | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' | \ |
fab61e3d | 221 | tr "$nl" ' ' >> "$depfile" |
dabf4152 AM |
222 | echo >> "$depfile" |
223 | ||
224 | # The second pass generates a dummy entry for each header file. | |
fab61e3d | 225 | tr ' ' "$nl" < "$tmpdepfile" \ |
dabf4152 AM |
226 | | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' -e 's/$/:/' \ |
227 | >> "$depfile" | |
228 | else | |
229 | # The sourcefile does not contain any dependencies, so just | |
230 | # store a dummy comment line, to avoid errors with the Makefile | |
231 | # "include basename.Plo" scheme. | |
232 | echo "#dummy" > "$depfile" | |
233 | fi | |
234 | rm -f "$tmpdepfile" | |
235 | ;; | |
236 | ||
fab61e3d AM |
237 | xlc) |
238 | # This case exists only to let depend.m4 do its work. It works by | |
239 | # looking at the text of this script. This case will never be run, | |
240 | # since it is checked for above. | |
241 | exit 1 | |
242 | ;; | |
243 | ||
dabf4152 AM |
244 | aix) |
245 | # The C for AIX Compiler uses -M and outputs the dependencies | |
246 | # in a .u file. In older versions, this file always lives in the | |
fab61e3d | 247 | # current directory. Also, the AIX compiler puts '$object:' at the |
dabf4152 AM |
248 | # start of each line; $object doesn't have directory information. |
249 | # Version 6 uses the directory in both cases. | |
250 | dir=`echo "$object" | sed -e 's|/[^/]*$|/|'` | |
251 | test "x$dir" = "x$object" && dir= | |
252 | base=`echo "$object" | sed -e 's|^.*/||' -e 's/\.o$//' -e 's/\.lo$//'` | |
253 | if test "$libtool" = yes; then | |
254 | tmpdepfile1=$dir$base.u | |
255 | tmpdepfile2=$base.u | |
256 | tmpdepfile3=$dir.libs/$base.u | |
257 | "$@" -Wc,-M | |
258 | else | |
259 | tmpdepfile1=$dir$base.u | |
260 | tmpdepfile2=$dir$base.u | |
261 | tmpdepfile3=$dir$base.u | |
262 | "$@" -M | |
263 | fi | |
264 | stat=$? | |
265 | ||
266 | if test $stat -eq 0; then : | |
267 | else | |
268 | rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" | |
269 | exit $stat | |
270 | fi | |
271 | ||
272 | for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" | |
273 | do | |
274 | test -f "$tmpdepfile" && break | |
275 | done | |
276 | if test -f "$tmpdepfile"; then | |
fab61e3d | 277 | # Each line is of the form 'foo.o: dependent.h'. |
dabf4152 | 278 | # Do two passes, one to just change these to |
fab61e3d | 279 | # '$object: dependent.h' and one to simply 'dependent.h:'. |
dabf4152 | 280 | sed -e "s,^.*\.[a-z]*:,$object:," < "$tmpdepfile" > "$depfile" |
fab61e3d | 281 | sed -e 's,^.*\.[a-z]*:['"$tab"' ]*,,' -e 's,$,:,' < "$tmpdepfile" >> "$depfile" |
dabf4152 AM |
282 | else |
283 | # The sourcefile does not contain any dependencies, so just | |
284 | # store a dummy comment line, to avoid errors with the Makefile | |
285 | # "include basename.Plo" scheme. | |
286 | echo "#dummy" > "$depfile" | |
287 | fi | |
288 | rm -f "$tmpdepfile" | |
289 | ;; | |
290 | ||
291 | icc) | |
fab61e3d AM |
292 | # Intel's C compiler anf tcc (Tiny C Compiler) understand '-MD -MF file'. |
293 | # However on | |
294 | # $CC -MD -MF foo.d -c -o sub/foo.o sub/foo.c | |
dabf4152 AM |
295 | # ICC 7.0 will fill foo.d with something like |
296 | # foo.o: sub/foo.c | |
297 | # foo.o: sub/foo.h | |
fab61e3d | 298 | # which is wrong. We want |
dabf4152 AM |
299 | # sub/foo.o: sub/foo.c |
300 | # sub/foo.o: sub/foo.h | |
301 | # sub/foo.c: | |
302 | # sub/foo.h: | |
303 | # ICC 7.1 will output | |
304 | # foo.o: sub/foo.c sub/foo.h | |
fab61e3d | 305 | # and will wrap long lines using '\': |
dabf4152 AM |
306 | # foo.o: sub/foo.c ... \ |
307 | # sub/foo.h ... \ | |
308 | # ... | |
fab61e3d AM |
309 | # tcc 0.9.26 (FIXME still under development at the moment of writing) |
310 | # will emit a similar output, but also prepend the continuation lines | |
311 | # with horizontal tabulation characters. | |
dabf4152 AM |
312 | "$@" -MD -MF "$tmpdepfile" |
313 | stat=$? | |
314 | if test $stat -eq 0; then : | |
315 | else | |
316 | rm -f "$tmpdepfile" | |
317 | exit $stat | |
318 | fi | |
319 | rm -f "$depfile" | |
fab61e3d AM |
320 | # Each line is of the form 'foo.o: dependent.h', |
321 | # or 'foo.o: dep1.h dep2.h \', or ' dep3.h dep4.h \'. | |
dabf4152 | 322 | # Do two passes, one to just change these to |
fab61e3d AM |
323 | # '$object: dependent.h' and one to simply 'dependent.h:'. |
324 | sed -e "s/^[ $tab][ $tab]*/ /" -e "s,^[^:]*:,$object :," \ | |
325 | < "$tmpdepfile" > "$depfile" | |
326 | sed ' | |
327 | s/[ '"$tab"'][ '"$tab"']*/ /g | |
328 | s/^ *// | |
329 | s/ *\\*$// | |
330 | s/^[^:]*: *// | |
331 | /^$/d | |
332 | /:$/d | |
333 | s/$/ :/ | |
334 | ' < "$tmpdepfile" >> "$depfile" | |
dabf4152 AM |
335 | rm -f "$tmpdepfile" |
336 | ;; | |
337 | ||
338 | hp2) | |
339 | # The "hp" stanza above does not work with aCC (C++) and HP's ia64 | |
340 | # compilers, which have integrated preprocessors. The correct option | |
341 | # to use with these is +Maked; it writes dependencies to a file named | |
342 | # 'foo.d', which lands next to the object file, wherever that | |
343 | # happens to be. | |
344 | # Much of this is similar to the tru64 case; see comments there. | |
345 | dir=`echo "$object" | sed -e 's|/[^/]*$|/|'` | |
346 | test "x$dir" = "x$object" && dir= | |
347 | base=`echo "$object" | sed -e 's|^.*/||' -e 's/\.o$//' -e 's/\.lo$//'` | |
348 | if test "$libtool" = yes; then | |
349 | tmpdepfile1=$dir$base.d | |
350 | tmpdepfile2=$dir.libs/$base.d | |
351 | "$@" -Wc,+Maked | |
352 | else | |
353 | tmpdepfile1=$dir$base.d | |
354 | tmpdepfile2=$dir$base.d | |
355 | "$@" +Maked | |
356 | fi | |
357 | stat=$? | |
358 | if test $stat -eq 0; then : | |
359 | else | |
360 | rm -f "$tmpdepfile1" "$tmpdepfile2" | |
361 | exit $stat | |
362 | fi | |
363 | ||
364 | for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" | |
365 | do | |
366 | test -f "$tmpdepfile" && break | |
367 | done | |
368 | if test -f "$tmpdepfile"; then | |
369 | sed -e "s,^.*\.[a-z]*:,$object:," "$tmpdepfile" > "$depfile" | |
fab61e3d | 370 | # Add 'dependent.h:' lines. |
dabf4152 AM |
371 | sed -ne '2,${ |
372 | s/^ *// | |
373 | s/ \\*$// | |
374 | s/$/:/ | |
375 | p | |
376 | }' "$tmpdepfile" >> "$depfile" | |
377 | else | |
378 | echo "#dummy" > "$depfile" | |
379 | fi | |
380 | rm -f "$tmpdepfile" "$tmpdepfile2" | |
381 | ;; | |
382 | ||
383 | tru64) | |
384 | # The Tru64 compiler uses -MD to generate dependencies as a side | |
fab61e3d | 385 | # effect. 'cc -MD -o foo.o ...' puts the dependencies into 'foo.o.d'. |
dabf4152 | 386 | # At least on Alpha/Redhat 6.1, Compaq CCC V6.2-504 seems to put |
fab61e3d | 387 | # dependencies in 'foo.d' instead, so we check for that too. |
dabf4152 AM |
388 | # Subdirectories are respected. |
389 | dir=`echo "$object" | sed -e 's|/[^/]*$|/|'` | |
390 | test "x$dir" = "x$object" && dir= | |
391 | base=`echo "$object" | sed -e 's|^.*/||' -e 's/\.o$//' -e 's/\.lo$//'` | |
392 | ||
393 | if test "$libtool" = yes; then | |
394 | # With Tru64 cc, shared objects can also be used to make a | |
395 | # static library. This mechanism is used in libtool 1.4 series to | |
396 | # handle both shared and static libraries in a single compilation. | |
397 | # With libtool 1.4, dependencies were output in $dir.libs/$base.lo.d. | |
398 | # | |
399 | # With libtool 1.5 this exception was removed, and libtool now | |
400 | # generates 2 separate objects for the 2 libraries. These two | |
401 | # compilations output dependencies in $dir.libs/$base.o.d and | |
402 | # in $dir$base.o.d. We have to check for both files, because | |
403 | # one of the two compilations can be disabled. We should prefer | |
404 | # $dir$base.o.d over $dir.libs/$base.o.d because the latter is | |
405 | # automatically cleaned when .libs/ is deleted, while ignoring | |
406 | # the former would cause a distcleancheck panic. | |
407 | tmpdepfile1=$dir.libs/$base.lo.d # libtool 1.4 | |
408 | tmpdepfile2=$dir$base.o.d # libtool 1.5 | |
409 | tmpdepfile3=$dir.libs/$base.o.d # libtool 1.5 | |
410 | tmpdepfile4=$dir.libs/$base.d # Compaq CCC V6.2-504 | |
411 | "$@" -Wc,-MD | |
412 | else | |
413 | tmpdepfile1=$dir$base.o.d | |
414 | tmpdepfile2=$dir$base.d | |
415 | tmpdepfile3=$dir$base.d | |
416 | tmpdepfile4=$dir$base.d | |
417 | "$@" -MD | |
418 | fi | |
419 | ||
420 | stat=$? | |
421 | if test $stat -eq 0; then : | |
422 | else | |
423 | rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" "$tmpdepfile4" | |
424 | exit $stat | |
425 | fi | |
426 | ||
427 | for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" "$tmpdepfile4" | |
428 | do | |
429 | test -f "$tmpdepfile" && break | |
430 | done | |
431 | if test -f "$tmpdepfile"; then | |
432 | sed -e "s,^.*\.[a-z]*:,$object:," < "$tmpdepfile" > "$depfile" | |
fab61e3d | 433 | sed -e 's,^.*\.[a-z]*:['"$tab"' ]*,,' -e 's,$,:,' < "$tmpdepfile" >> "$depfile" |
dabf4152 AM |
434 | else |
435 | echo "#dummy" > "$depfile" | |
436 | fi | |
437 | rm -f "$tmpdepfile" | |
438 | ;; | |
439 | ||
fab61e3d AM |
440 | msvc7) |
441 | if test "$libtool" = yes; then | |
442 | showIncludes=-Wc,-showIncludes | |
443 | else | |
444 | showIncludes=-showIncludes | |
445 | fi | |
446 | "$@" $showIncludes > "$tmpdepfile" | |
447 | stat=$? | |
448 | grep -v '^Note: including file: ' "$tmpdepfile" | |
449 | if test "$stat" = 0; then : | |
450 | else | |
451 | rm -f "$tmpdepfile" | |
452 | exit $stat | |
453 | fi | |
454 | rm -f "$depfile" | |
455 | echo "$object : \\" > "$depfile" | |
456 | # The first sed program below extracts the file names and escapes | |
457 | # backslashes for cygpath. The second sed program outputs the file | |
458 | # name when reading, but also accumulates all include files in the | |
459 | # hold buffer in order to output them again at the end. This only | |
460 | # works with sed implementations that can handle large buffers. | |
461 | sed < "$tmpdepfile" -n ' | |
462 | /^Note: including file: *\(.*\)/ { | |
463 | s//\1/ | |
464 | s/\\/\\\\/g | |
465 | p | |
466 | }' | $cygpath_u | sort -u | sed -n ' | |
467 | s/ /\\ /g | |
468 | s/\(.*\)/'"$tab"'\1 \\/p | |
469 | s/.\(.*\) \\/\1:/ | |
470 | H | |
471 | $ { | |
472 | s/.*/'"$tab"'/ | |
473 | G | |
474 | p | |
475 | }' >> "$depfile" | |
476 | rm -f "$tmpdepfile" | |
477 | ;; | |
478 | ||
479 | msvc7msys) | |
480 | # This case exists only to let depend.m4 do its work. It works by | |
481 | # looking at the text of this script. This case will never be run, | |
482 | # since it is checked for above. | |
483 | exit 1 | |
484 | ;; | |
485 | ||
dabf4152 AM |
486 | #nosideeffect) |
487 | # This comment above is used by automake to tell side-effect | |
488 | # dependency tracking mechanisms from slower ones. | |
489 | ||
490 | dashmstdout) | |
491 | # Important note: in order to support this mode, a compiler *must* | |
492 | # always write the preprocessed file to stdout, regardless of -o. | |
493 | "$@" || exit $? | |
494 | ||
495 | # Remove the call to Libtool. | |
496 | if test "$libtool" = yes; then | |
497 | while test "X$1" != 'X--mode=compile'; do | |
498 | shift | |
499 | done | |
500 | shift | |
501 | fi | |
502 | ||
fab61e3d | 503 | # Remove '-o $object'. |
dabf4152 AM |
504 | IFS=" " |
505 | for arg | |
506 | do | |
507 | case $arg in | |
508 | -o) | |
509 | shift | |
510 | ;; | |
511 | $object) | |
512 | shift | |
513 | ;; | |
514 | *) | |
515 | set fnord "$@" "$arg" | |
516 | shift # fnord | |
517 | shift # $arg | |
518 | ;; | |
519 | esac | |
520 | done | |
521 | ||
522 | test -z "$dashmflag" && dashmflag=-M | |
fab61e3d | 523 | # Require at least two characters before searching for ':' |
dabf4152 | 524 | # in the target name. This is to cope with DOS-style filenames: |
fab61e3d | 525 | # a dependency such as 'c:/foo/bar' could be seen as target 'c' otherwise. |
dabf4152 | 526 | "$@" $dashmflag | |
fab61e3d | 527 | sed 's:^['"$tab"' ]*[^:'"$tab"' ][^:][^:]*\:['"$tab"' ]*:'"$object"'\: :' > "$tmpdepfile" |
dabf4152 AM |
528 | rm -f "$depfile" |
529 | cat < "$tmpdepfile" > "$depfile" | |
fab61e3d | 530 | tr ' ' "$nl" < "$tmpdepfile" | \ |
dabf4152 AM |
531 | ## Some versions of the HPUX 10.20 sed can't process this invocation |
532 | ## correctly. Breaking it into two sed invocations is a workaround. | |
533 | sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile" | |
534 | rm -f "$tmpdepfile" | |
535 | ;; | |
536 | ||
537 | dashXmstdout) | |
538 | # This case only exists to satisfy depend.m4. It is never actually | |
539 | # run, as this mode is specially recognized in the preamble. | |
540 | exit 1 | |
541 | ;; | |
542 | ||
543 | makedepend) | |
544 | "$@" || exit $? | |
545 | # Remove any Libtool call | |
546 | if test "$libtool" = yes; then | |
547 | while test "X$1" != 'X--mode=compile'; do | |
548 | shift | |
549 | done | |
550 | shift | |
551 | fi | |
552 | # X makedepend | |
553 | shift | |
554 | cleared=no eat=no | |
555 | for arg | |
556 | do | |
557 | case $cleared in | |
558 | no) | |
559 | set ""; shift | |
560 | cleared=yes ;; | |
561 | esac | |
562 | if test $eat = yes; then | |
563 | eat=no | |
564 | continue | |
565 | fi | |
566 | case "$arg" in | |
567 | -D*|-I*) | |
568 | set fnord "$@" "$arg"; shift ;; | |
569 | # Strip any option that makedepend may not understand. Remove | |
570 | # the object too, otherwise makedepend will parse it as a source file. | |
571 | -arch) | |
572 | eat=yes ;; | |
573 | -*|$object) | |
574 | ;; | |
575 | *) | |
576 | set fnord "$@" "$arg"; shift ;; | |
577 | esac | |
578 | done | |
579 | obj_suffix=`echo "$object" | sed 's/^.*\././'` | |
580 | touch "$tmpdepfile" | |
581 | ${MAKEDEPEND-makedepend} -o"$obj_suffix" -f"$tmpdepfile" "$@" | |
582 | rm -f "$depfile" | |
fab61e3d AM |
583 | # makedepend may prepend the VPATH from the source file name to the object. |
584 | # No need to regex-escape $object, excess matching of '.' is harmless. | |
585 | sed "s|^.*\($object *:\)|\1|" "$tmpdepfile" > "$depfile" | |
586 | sed '1,2d' "$tmpdepfile" | tr ' ' "$nl" | \ | |
dabf4152 AM |
587 | ## Some versions of the HPUX 10.20 sed can't process this invocation |
588 | ## correctly. Breaking it into two sed invocations is a workaround. | |
589 | sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile" | |
590 | rm -f "$tmpdepfile" "$tmpdepfile".bak | |
591 | ;; | |
592 | ||
593 | cpp) | |
594 | # Important note: in order to support this mode, a compiler *must* | |
595 | # always write the preprocessed file to stdout. | |
596 | "$@" || exit $? | |
597 | ||
598 | # Remove the call to Libtool. | |
599 | if test "$libtool" = yes; then | |
600 | while test "X$1" != 'X--mode=compile'; do | |
601 | shift | |
602 | done | |
603 | shift | |
604 | fi | |
605 | ||
fab61e3d | 606 | # Remove '-o $object'. |
dabf4152 AM |
607 | IFS=" " |
608 | for arg | |
609 | do | |
610 | case $arg in | |
611 | -o) | |
612 | shift | |
613 | ;; | |
614 | $object) | |
615 | shift | |
616 | ;; | |
617 | *) | |
618 | set fnord "$@" "$arg" | |
619 | shift # fnord | |
620 | shift # $arg | |
621 | ;; | |
622 | esac | |
623 | done | |
624 | ||
625 | "$@" -E | | |
626 | sed -n -e '/^# [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' \ | |
627 | -e '/^#line [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' | | |
628 | sed '$ s: \\$::' > "$tmpdepfile" | |
629 | rm -f "$depfile" | |
630 | echo "$object : \\" > "$depfile" | |
631 | cat < "$tmpdepfile" >> "$depfile" | |
632 | sed < "$tmpdepfile" '/^$/d;s/^ //;s/ \\$//;s/$/ :/' >> "$depfile" | |
633 | rm -f "$tmpdepfile" | |
634 | ;; | |
635 | ||
636 | msvisualcpp) | |
637 | # Important note: in order to support this mode, a compiler *must* | |
638 | # always write the preprocessed file to stdout. | |
639 | "$@" || exit $? | |
640 | ||
641 | # Remove the call to Libtool. | |
642 | if test "$libtool" = yes; then | |
643 | while test "X$1" != 'X--mode=compile'; do | |
644 | shift | |
645 | done | |
646 | shift | |
647 | fi | |
648 | ||
649 | IFS=" " | |
650 | for arg | |
651 | do | |
652 | case "$arg" in | |
653 | -o) | |
654 | shift | |
655 | ;; | |
656 | $object) | |
657 | shift | |
658 | ;; | |
659 | "-Gm"|"/Gm"|"-Gi"|"/Gi"|"-ZI"|"/ZI") | |
660 | set fnord "$@" | |
661 | shift | |
662 | shift | |
663 | ;; | |
664 | *) | |
665 | set fnord "$@" "$arg" | |
666 | shift | |
667 | shift | |
668 | ;; | |
669 | esac | |
670 | done | |
671 | "$@" -E 2>/dev/null | | |
672 | sed -n '/^#line [0-9][0-9]* "\([^"]*\)"/ s::\1:p' | $cygpath_u | sort -u > "$tmpdepfile" | |
673 | rm -f "$depfile" | |
674 | echo "$object : \\" > "$depfile" | |
fab61e3d AM |
675 | sed < "$tmpdepfile" -n -e 's% %\\ %g' -e '/^\(.*\)$/ s::'"$tab"'\1 \\:p' >> "$depfile" |
676 | echo "$tab" >> "$depfile" | |
dabf4152 AM |
677 | sed < "$tmpdepfile" -n -e 's% %\\ %g' -e '/^\(.*\)$/ s::\1\::p' >> "$depfile" |
678 | rm -f "$tmpdepfile" | |
679 | ;; | |
680 | ||
681 | msvcmsys) | |
682 | # This case exists only to let depend.m4 do its work. It works by | |
683 | # looking at the text of this script. This case will never be run, | |
684 | # since it is checked for above. | |
685 | exit 1 | |
686 | ;; | |
687 | ||
688 | none) | |
689 | exec "$@" | |
690 | ;; | |
691 | ||
692 | *) | |
693 | echo "Unknown depmode $depmode" 1>&2 | |
694 | exit 1 | |
695 | ;; | |
696 | esac | |
697 | ||
698 | exit 0 | |
699 | ||
700 | # Local Variables: | |
701 | # mode: shell-script | |
702 | # sh-indentation: 2 | |
703 | # eval: (add-hook 'write-file-hooks 'time-stamp) | |
704 | # time-stamp-start: "scriptversion=" | |
705 | # time-stamp-format: "%:y-%02m-%02d.%02H" | |
706 | # time-stamp-time-zone: "UTC" | |
707 | # time-stamp-end: "; # UTC" | |
708 | # End: |