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3 paul 1
#! /bin/sh
2
# depcomp - compile a program generating dependencies as side-effects
3
 
3875 mrdocs 4
scriptversion=2005-05-14.22
5
 
6
# Copyright (C) 1999, 2000, 2003, 2004, 2005 Free Software Foundation, Inc.
7
 
3 paul 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
3875 mrdocs 20
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
21
# 02110-1301, USA.
3 paul 22
 
599 cbradney 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
 
3 paul 28
# Originally written by Alexandre Oliva <oliva@dcc.unicamp.br>.
29
 
3875 mrdocs 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
 
3 paul 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
 
3875 mrdocs 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|'`}
3 paul 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 "$depmode" in
90
gcc3)
91
## gcc 3 implements dependency tracking that does exactly what
599 cbradney 92
## we want.  Yay!  Note: for some reason libtool 1.4 doesn't like
93
## it if -MD -MP comes after the -MF stuff.  Hmm.
94
  "$@" -MT "$object" -MD -MP -MF "$tmpdepfile"
95
  stat=$?
96
  if test $stat -eq 0; then :
3 paul 97
  else
98
    rm -f "$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 "$gccflag"; then
115
    gccflag=-MD,
116
  fi
599 cbradney 117
  "$@" -Wp,"$gccflag$tmpdepfile"
118
  stat=$?
119
  if test $stat -eq 0; then :
3 paul 120
  else
121
    rm -f "$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
 
599 cbradney 171
    # Clip off the initial element (the dependent).  Don't try to be
3 paul 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
599 cbradney 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.
3 paul 177
    tr ' ' '
599 cbradney 178
' < "$tmpdepfile" \
179
    | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' | \
180
    tr '
3 paul 181
' ' ' >> $depfile
599 cbradney 182
    echo >> $depfile
3 paul 183
 
599 cbradney 184
    # The second pass generates a dummy entry for each header file.
3 paul 185
    tr ' ' '
599 cbradney 186
' < "$tmpdepfile" \
187
   | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' -e 's/$/:/' \
188
   >> $depfile
3 paul 189
  else
190
    # The sourcefile does not contain any dependencies, so just
191
    # store a dummy comment line, to avoid errors with the Makefile
192
    # "include basename.Plo" scheme.
193
    echo "#dummy" > "$depfile"
194
  fi
195
  rm -f "$tmpdepfile"
196
  ;;
197
 
198
aix)
199
  # The C for AIX Compiler uses -M and outputs the dependencies
3875 mrdocs 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/\(.*\)\..*$/\1/'`
599 cbradney 205
  tmpdepfile="$stripped.u"
3 paul 206
  if test "$libtool" = yes; then
207
    "$@" -Wc,-M
208
  else
209
    "$@" -M
210
  fi
3875 mrdocs 211
  stat=$?
3 paul 212
 
3875 mrdocs 213
  if test -f "$tmpdepfile"; then :
214
  else
215
    stripped=`echo "$stripped" | sed 's,^.*/,,'`
216
    tmpdepfile="$stripped.u"
217
  fi
218
 
3 paul 219
  if test $stat -eq 0; then :
220
  else
221
    rm -f "$tmpdepfile"
222
    exit $stat
223
  fi
224
 
225
  if test -f "$tmpdepfile"; then
3875 mrdocs 226
    outname="$stripped.o"
599 cbradney 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" >> "$depfile"
3 paul 232
  else
233
    # The sourcefile does not contain any dependencies, so just
234
    # store a dummy comment line, to avoid errors with the Makefile
235
    # "include basename.Plo" scheme.
236
    echo "#dummy" > "$depfile"
237
  fi
238
  rm -f "$tmpdepfile"
239
  ;;
240
 
599 cbradney 241
icc)
3875 mrdocs 242
  # Intel's C compiler understands `-MD -MF file'.  However on
599 cbradney 243
  #    icc -MD -MF foo.d -c -o sub/foo.o sub/foo.c
3875 mrdocs 244
  # ICC 7.0 will fill foo.d with something like
599 cbradney 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:
3875 mrdocs 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
  #     ...
599 cbradney 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"
3875 mrdocs 267
  # Each line is of the form `foo.o: dependent.h',
268
  # or `foo.o: dep1.h dep2.h \', or ` dep3.h dep4.h \'.
599 cbradney 269
  # Do two passes, one to just change these to
270
  # `$object: dependent.h' and one to simply `dependent.h:'.
3875 mrdocs 271
  sed "s,^[^:]*:,$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' < "$tmpdepfile" |
275
    sed -e 's/$/ :/' >> "$depfile"
599 cbradney 276
  rm -f "$tmpdepfile"
277
  ;;
278
 
279
tru64)
3875 mrdocs 280
   # The Tru64 compiler uses -MD to generate dependencies as a side
599 cbradney 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.
3875 mrdocs 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$//'`
599 cbradney 288
 
289
   if test "$libtool" = yes; then
3875 mrdocs 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
599 cbradney 307
      "$@" -Wc,-MD
308
   else
3875 mrdocs 309
      tmpdepfile1=$dir$base.o.d
310
      tmpdepfile2=$dir$base.d
311
      tmpdepfile3=$dir$base.d
312
      tmpdepfile4=$dir$base.d
599 cbradney 313
      "$@" -MD
314
   fi
315
 
316
   stat=$?
317
   if test $stat -eq 0; then :
318
   else
3875 mrdocs 319
      rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" "$tmpdepfile4"
599 cbradney 320
      exit $stat
321
   fi
322
 
3875 mrdocs 323
   for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" "$tmpdepfile4"
324
   do
325
     test -f "$tmpdepfile" && break
326
   done
599 cbradney 327
   if test -f "$tmpdepfile"; then
328
      sed -e "s,^.*\.[a-z]*:,$object:," < "$tmpdepfile" > "$depfile"
3875 mrdocs 329
      # That's a tab and a space in the [].
599 cbradney 330
      sed -e 's,^.*\.[a-z]*:[ 	]*,,' -e 's,$,:,' < "$tmpdepfile" >> "$depfile"
331
   else
332
      echo "#dummy" > "$depfile"
333
   fi
334
   rm -f "$tmpdepfile"
335
   ;;
336
 
3 paul 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*
3875 mrdocs 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=" "
3 paul 356
      for arg
3875 mrdocs 357
  do
358
    case $arg in
359
    -o)
360
      shift
3 paul 361
	  ;;
3875 mrdocs 362
    $object)
363
      shift
364
      ;;
365
    *)
3 paul 366
	set fnord "$@" "$arg"
367
	shift # fnord
3875 mrdocs 368
      shift # $arg
3 paul 369
      ;;
370
    esac
3875 mrdocs 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"'\: :' > "$tmpdepfile"
3 paul 379
  rm -f "$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)
3875 mrdocs 396
  "$@" || exit $?
397
  # Remove any Libtool call
398
  if test "$libtool" = yes; then
399
    while test $1 != '--mode=compile'; do
400
      shift
401
    done
402
    shift
403
  fi
3 paul 404
  # X makedepend
405
    shift
406
    cleared=no
407
    for arg in "$@"; do
3875 mrdocs 408
    case $cleared in
409
    no)
3 paul 410
        set ""; shift
3875 mrdocs 411
      cleared=yes ;;
3 paul 412
      esac
413
      case "$arg" in
414
        -D*|-I*)
3875 mrdocs 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
    -*|$object)
3 paul 419
	  ;;
420
	*)
3875 mrdocs 421
      set fnord "$@" "$arg"; shift ;;
3 paul 422
      esac
423
    done
424
    obj_suffix="`echo $object | sed 's/^.*\././'`"
425
    touch "$tmpdepfile"
3875 mrdocs 426
  ${MAKEDEPEND-makedepend} -o"$obj_suffix" -f"$tmpdepfile" "$@"
3 paul 427
  rm -f "$depfile"
428
  cat < "$tmpdepfile" > "$depfile"
3875 mrdocs 429
  sed '1,2d' "$tmpdepfile" | tr ' ' '
3 paul 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*
3875 mrdocs 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=" "
3 paul 452
      for arg
3875 mrdocs 453
  do
3 paul 454
        case $arg in
3875 mrdocs 455
    -o)
456
      shift
3 paul 457
	  ;;
3875 mrdocs 458
    $object)
459
      shift
460
      ;;
461
    *)
3 paul 462
	set fnord "$@" "$arg"
463
	shift # fnord
3875 mrdocs 464
      shift # $arg
3 paul 465
      ;;
466
    esac
3875 mrdocs 467
  done
468
 
3 paul 469
    "$@" -E |
470
    sed -n '/^# [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' |
471
    sed '$ s: \\$::' > "$tmpdepfile"
472
  rm -f "$depfile"
473
  echo "$object : \\" > "$depfile"
474
  cat < "$tmpdepfile" >> "$depfile"
475
  sed < "$tmpdepfile" '/^$/d;s/^ //;s/ \\$//;s/$/ :/' >> "$depfile"
476
  rm -f "$tmpdepfile"
477
  ;;
478
 
479
msvisualcpp)
480
  # Important note: in order to support this mode, a compiler *must*
3875 mrdocs 481
  # always write the preprocessed file to stdout, regardless of -o,
3 paul 482
  # because we must use -o when running libtool.
3875 mrdocs 483
  "$@" || exit $?
484
  IFS=" "
3 paul 485
      for arg
3875 mrdocs 486
  do
487
    case "$arg" in
488
    "-Gm"|"/Gm"|"-Gi"|"/Gi"|"-ZI"|"/ZI")
489
	set fnord "$@"
490
	shift
491
	shift
3 paul 492
	  ;;
3875 mrdocs 493
    *)
3 paul 494
	set fnord "$@" "$arg"
3875 mrdocs 495
	shift
496
	shift
3 paul 497
      ;;
498
    esac
3875 mrdocs 499
  done
3 paul 500
    "$@" -E |
501
    sed -n '/^#line [0-9][0-9]* "\([^"]*\)"/ s::echo "`cygpath -u \\"\1\\"`":p' | sort | uniq > "$tmpdepfile"
502
  rm -f "$depfile"
503
  echo "$object : \\" > "$depfile"
504
  . "$tmpdepfile" | sed 's% %\\ %g' | sed -n '/^\(.*\)$/ s::	\1 \\:p' >> "$depfile"
505
  echo "	" >> "$depfile"
506
  . "$tmpdepfile" | sed 's% %\\ %g' | sed -n '/^\(.*\)$/ s::\1\::p' >> "$depfile"
507
  rm -f "$tmpdepfile"
508
  ;;
509
 
510
none)
511
  exec "$@"
512
  ;;
513
 
514
*)
515
  echo "Unknown depmode $depmode" 1>&2
516
  exit 1
517
  ;;
518
esac
519
 
520
exit 0
3875 mrdocs 521
 
522
# Local Variables:
523
# mode: shell-script
524
# sh-indentation: 2
525
# eval: (add-hook 'write-file-hooks 'time-stamp)
526
# time-stamp-start: "scriptversion="
527
# time-stamp-format: "%:y-%02m-%02d.%02H"
528
# time-stamp-end: "$"
529
# End: