Makefile.in: Add Ada support for GNU/kFreeBSD x86_64.
[thirdparty/gcc.git] / depcomp
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6de9cd9a 1#! /bin/sh
6de9cd9a 2# depcomp - compile a program generating dependencies as side-effects
85f59630 3
f610dd5f 4scriptversion=2005-05-16.16
85f59630 5
f610dd5f 6# Copyright (C) 1999, 2000, 2003, 2004, 2005 Free Software Foundation, Inc.
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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
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20# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
21# 02110-1301, USA.
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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
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30case $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
37Usage: depcomp [--help] [--version] PROGRAM [ARGS]
38
39Run PROGRAMS ARGS to compile a file, generating dependencies
40as side-effects.
41
42Environment 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
51Report bugs to <bug-automake@gnu.org>.
52EOF
f610dd5f 53 exit $?
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54 ;;
55 -v | --v*)
56 echo "depcomp $scriptversion"
f610dd5f 57 exit $?
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58 ;;
59esac
60
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61if test -z "$depmode" || test -z "$source" || test -z "$object"; then
62 echo "depcomp: Variables source, object and depmode must be set" 1>&2
63 exit 1
64fi
6de9cd9a 65
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66# Dependencies for sub/bar.o or sub/bar.obj go into sub/.deps/bar.Po.
67depfile=${depfile-`echo "$object" |
68 sed 's|[^\\/]*$|'${DEPDIR-.deps}'/&|;s|\.\([^.]*\)$|.P\1|;s|Pobj$|Po|'`}
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69tmpdepfile=${tmpdepfile-`echo "$depfile" | sed 's/\.\([^.]*\)$/.T\1/'`}
70
71rm -f "$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.
77if test "$depmode" = hp; then
78 # HP compiler uses -M and no extra arg.
79 gccflag=-M
80 depmode=gcc
81fi
82
83if test "$depmode" = dashXmstdout; then
84 # This is just like dashmstdout with a different argument.
85 dashmflag=-xM
86 depmode=dashmstdout
87fi
88
89case "$depmode" in
90gcc3)
91## gcc 3 implements dependency tracking that does exactly what
92## we want. Yay! Note: for some reason libtool 1.4 doesn't like
93## it if -MD -MP comes after the -MF stuff. Hmm.
94 "$@" -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" "$depfile"
102 ;;
103
104gcc)
105## There are various ways to get dependency output from gcc. Here's
106## why we pick this rather obscure method:
107## - Don't want to use -MD because we'd like the dependencies to end
108## up in a subdir. Having to rename by hand is ugly.
109## (We might end up doing this anyway to support other compilers.)
110## - The DEPENDENCIES_OUTPUT environment variable makes gcc act like
111## -MM, not -M (despite what the docs say).
112## - Using -M directly means running the compiler twice (even worse
113## than renaming).
114 if test -z "$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 "$tmpdepfile"
145 ;;
146
147hp)
148 # This case exists only to let depend.m4 do its work. It works by
149 # looking at the text of this script. This case will never be run,
150 # since it is checked for above.
151 exit 1
152 ;;
153
154sgi)
155 if test "$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 "$tmpdepfile"
196 ;;
197
198aix)
199 # The C for AIX Compiler uses -M and outputs the dependencies
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200 # in a .u file. In older versions, this file always lives in the
201 # current directory. Also, the AIX compiler puts `$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/\(.*\)\..*$/\1/'`
6de9cd9a 205 tmpdepfile="$stripped.u"
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206 if test "$libtool" = yes; then
207 "$@" -Wc,-M
208 else
209 "$@" -M
210 fi
6de9cd9a 211 stat=$?
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212
213 if test -f "$tmpdepfile"; then :
214 else
215 stripped=`echo "$stripped" | sed 's,^.*/,,'`
216 tmpdepfile="$stripped.u"
217 fi
218
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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
85f59630 226 outname="$stripped.o"
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227 # Each line is of the form `foo.o: dependent.h'.
228 # Do two passes, one to just change these to
229 # `$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 "$tmpdepfile"
239 ;;
240
241icc)
242 # Intel's C compiler understands `-MD -MF file'. However on
243 # icc -MD -MF foo.d -c -o sub/foo.o sub/foo.c
244 # ICC 7.0 will fill foo.d with something like
245 # foo.o: sub/foo.c
246 # foo.o: sub/foo.h
247 # which is wrong. We want:
248 # sub/foo.o: sub/foo.c
249 # sub/foo.o: sub/foo.h
250 # sub/foo.c:
251 # sub/foo.h:
252 # ICC 7.1 will output
253 # foo.o: sub/foo.c sub/foo.h
254 # and will wrap long lines using \ :
255 # foo.o: sub/foo.c ... \
256 # sub/foo.h ... \
257 # ...
258
259 "$@" -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
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279ia64hp)
280 # The "hp" stanza above does not work with HP's ia64 compilers,
281 # which have integrated preprocessors. The correct option to use
282 # with these is +Maked; it writes dependencies to a file named
283 # 'foo.d', which lands next to the object file, wherever that
284 # happens to be.
285 tmpdepfile=`echo "$object" | sed -e 's/\.o$/.d/'`
286 "$@" +Maked
287 stat=$?
288 if test $stat -eq 0; then :
289 else
290 rm -f "$tmpdepfile"
291 exit $stat
292 fi
293 rm -f "$depfile"
294
295 # The object file name is correct already.
296 cat "$tmpdepfile" > "$depfile"
297 # Add `dependent.h:' lines.
298 sed -ne '2,${; s/^ //; s/ \\*$//; s/$/:/; p; }' "$tmpdepfile" >> "$depfile"
299 rm -f "$tmpdepfile"
300 ;;
301
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302tru64)
303 # The Tru64 compiler uses -MD to generate dependencies as a side
304 # effect. `cc -MD -o foo.o ...' puts the dependencies into `foo.o.d'.
305 # At least on Alpha/Redhat 6.1, Compaq CCC V6.2-504 seems to put
306 # dependencies in `foo.d' instead, so we check for that too.
307 # Subdirectories are respected.
308 dir=`echo "$object" | sed -e 's|/[^/]*$|/|'`
309 test "x$dir" = "x$object" && dir=
310 base=`echo "$object" | sed -e 's|^.*/||' -e 's/\.o$//' -e 's/\.lo$//'`
311
312 if test "$libtool" = yes; then
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313 # With Tru64 cc, shared objects can also be used to make a
314 # static library. This mecanism is used in libtool 1.4 series to
315 # handle both shared and static libraries in a single compilation.
316 # With libtool 1.4, dependencies were output in $dir.libs/$base.lo.d.
317 #
318 # With libtool 1.5 this exception was removed, and libtool now
319 # generates 2 separate objects for the 2 libraries. These two
320 # compilations output dependencies in in $dir.libs/$base.o.d and
321 # in $dir$base.o.d. We have to check for both files, because
322 # one of the two compilations can be disabled. We should prefer
323 # $dir$base.o.d over $dir.libs/$base.o.d because the latter is
324 # automatically cleaned when .libs/ is deleted, while ignoring
325 # the former would cause a distcleancheck panic.
326 tmpdepfile1=$dir.libs/$base.lo.d # libtool 1.4
327 tmpdepfile2=$dir$base.o.d # libtool 1.5
328 tmpdepfile3=$dir.libs/$base.o.d # libtool 1.5
329 tmpdepfile4=$dir.libs/$base.d # Compaq CCC V6.2-504
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330 "$@" -Wc,-MD
331 else
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332 tmpdepfile1=$dir$base.o.d
333 tmpdepfile2=$dir$base.d
334 tmpdepfile3=$dir$base.d
335 tmpdepfile4=$dir$base.d
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336 "$@" -MD
337 fi
338
339 stat=$?
340 if test $stat -eq 0; then :
341 else
f610dd5f 342 rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" "$tmpdepfile4"
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343 exit $stat
344 fi
345
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346 for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" "$tmpdepfile4"
347 do
348 test -f "$tmpdepfile" && break
349 done
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350 if test -f "$tmpdepfile"; then
351 sed -e "s,^.*\.[a-z]*:,$object:," < "$tmpdepfile" > "$depfile"
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352 # That's a tab and a space in the [].
353 sed -e 's,^.*\.[a-z]*:[ ]*,,' -e 's,$,:,' < "$tmpdepfile" >> "$depfile"
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354 else
355 echo "#dummy" > "$depfile"
356 fi
357 rm -f "$tmpdepfile"
358 ;;
359
360#nosideeffect)
361 # This comment above is used by automake to tell side-effect
362 # dependency tracking mechanisms from slower ones.
363
364dashmstdout)
365 # Important note: in order to support this mode, a compiler *must*
85f59630 366 # always write the preprocessed file to stdout, regardless of -o.
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367 "$@" || exit $?
368
369 # Remove the call to Libtool.
370 if test "$libtool" = yes; then
371 while test $1 != '--mode=compile'; do
372 shift
373 done
374 shift
375 fi
376
377 # Remove `-o $object'.
378 IFS=" "
379 for arg
380 do
381 case $arg in
382 -o)
383 shift
384 ;;
385 $object)
386 shift
387 ;;
388 *)
389 set fnord "$@" "$arg"
390 shift # fnord
391 shift # $arg
392 ;;
393 esac
394 done
395
396 test -z "$dashmflag" && dashmflag=-M
397 # Require at least two characters before searching for `:'
398 # in the target name. This is to cope with DOS-style filenames:
399 # a dependency such as `c:/foo/bar' could be seen as target `c' otherwise.
400 "$@" $dashmflag |
401 sed 's:^[ ]*[^: ][^:][^:]*\:[ ]*:'"$object"'\: :' > "$tmpdepfile"
402 rm -f "$depfile"
403 cat < "$tmpdepfile" > "$depfile"
404 tr ' ' '
405' < "$tmpdepfile" | \
406## Some versions of the HPUX 10.20 sed can't process this invocation
407## correctly. Breaking it into two sed invocations is a workaround.
408 sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
409 rm -f "$tmpdepfile"
410 ;;
411
412dashXmstdout)
413 # This case only exists to satisfy depend.m4. It is never actually
414 # run, as this mode is specially recognized in the preamble.
415 exit 1
416 ;;
417
418makedepend)
419 "$@" || exit $?
420 # Remove any Libtool call
421 if test "$libtool" = yes; then
422 while test $1 != '--mode=compile'; do
423 shift
424 done
425 shift
426 fi
427 # X makedepend
428 shift
429 cleared=no
430 for arg in "$@"; do
431 case $cleared in
432 no)
433 set ""; shift
434 cleared=yes ;;
435 esac
436 case "$arg" in
437 -D*|-I*)
438 set fnord "$@" "$arg"; shift ;;
439 # Strip any option that makedepend may not understand. Remove
440 # the object too, otherwise makedepend will parse it as a source file.
441 -*|$object)
442 ;;
443 *)
444 set fnord "$@" "$arg"; shift ;;
445 esac
446 done
447 obj_suffix="`echo $object | sed 's/^.*\././'`"
448 touch "$tmpdepfile"
449 ${MAKEDEPEND-makedepend} -o"$obj_suffix" -f"$tmpdepfile" "$@"
450 rm -f "$depfile"
451 cat < "$tmpdepfile" > "$depfile"
452 sed '1,2d' "$tmpdepfile" | tr ' ' '
453' | \
454## Some versions of the HPUX 10.20 sed can't process this invocation
455## correctly. Breaking it into two sed invocations is a workaround.
456 sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
457 rm -f "$tmpdepfile" "$tmpdepfile".bak
458 ;;
459
460cpp)
461 # Important note: in order to support this mode, a compiler *must*
85f59630 462 # always write the preprocessed file to stdout.
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463 "$@" || exit $?
464
465 # Remove the call to Libtool.
466 if test "$libtool" = yes; then
467 while test $1 != '--mode=compile'; do
468 shift
469 done
470 shift
471 fi
472
473 # Remove `-o $object'.
474 IFS=" "
475 for arg
476 do
477 case $arg in
478 -o)
479 shift
480 ;;
481 $object)
482 shift
483 ;;
484 *)
485 set fnord "$@" "$arg"
486 shift # fnord
487 shift # $arg
488 ;;
489 esac
490 done
491
492 "$@" -E |
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493 sed -n -e '/^# [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' \
494 -e '/^#line [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' |
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495 sed '$ s: \\$::' > "$tmpdepfile"
496 rm -f "$depfile"
497 echo "$object : \\" > "$depfile"
498 cat < "$tmpdepfile" >> "$depfile"
499 sed < "$tmpdepfile" '/^$/d;s/^ //;s/ \\$//;s/$/ :/' >> "$depfile"
500 rm -f "$tmpdepfile"
501 ;;
502
503msvisualcpp)
504 # Important note: in order to support this mode, a compiler *must*
85f59630 505 # always write the preprocessed file to stdout, regardless of -o,
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506 # because we must use -o when running libtool.
507 "$@" || exit $?
508 IFS=" "
509 for arg
510 do
511 case "$arg" in
512 "-Gm"|"/Gm"|"-Gi"|"/Gi"|"-ZI"|"/ZI")
513 set fnord "$@"
514 shift
515 shift
516 ;;
517 *)
518 set fnord "$@" "$arg"
519 shift
520 shift
521 ;;
522 esac
523 done
524 "$@" -E |
525 sed -n '/^#line [0-9][0-9]* "\([^"]*\)"/ s::echo "`cygpath -u \\"\1\\"`":p' | sort | uniq > "$tmpdepfile"
526 rm -f "$depfile"
527 echo "$object : \\" > "$depfile"
528 . "$tmpdepfile" | sed 's% %\\ %g' | sed -n '/^\(.*\)$/ s:: \1 \\:p' >> "$depfile"
529 echo " " >> "$depfile"
530 . "$tmpdepfile" | sed 's% %\\ %g' | sed -n '/^\(.*\)$/ s::\1\::p' >> "$depfile"
531 rm -f "$tmpdepfile"
532 ;;
533
534none)
535 exec "$@"
536 ;;
537
538*)
539 echo "Unknown depmode $depmode" 1>&2
540 exit 1
541 ;;
542esac
543
544exit 0
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545
546# Local Variables:
547# mode: shell-script
548# sh-indentation: 2
549# eval: (add-hook 'write-file-hooks 'time-stamp)
550# time-stamp-start: "scriptversion="
551# time-stamp-format: "%:y-%02m-%02d.%02H"
552# time-stamp-end: "$"
553# End: