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[/] [or1k_old/] [trunk/] [rtems-20020807/] [depcomp] - Blame information for rev 1026

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1 1026 ivang
#! /bin/sh
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3
# depcomp - compile a program generating dependencies as side-effects
4
# Copyright 1999, 2000 Free Software Foundation, Inc.
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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
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# 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
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# 02111-1307, USA.
20
 
21
# As a special exception to the GNU General Public License, if you
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# distribute this file as part of a program that contains a
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# configuration script generated by Autoconf, you may include it under
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# the same distribution terms that you use for the rest of that program.
25
 
26
# Originally written by Alexandre Oliva .
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
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  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,/.*$,/,'`
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   if test "$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.  This file always lives in the current directory.
176
  # Also, the AIX compiler puts `$object:' at the start of each line;
177
  # $object doesn't have directory information.
178
  stripped=`echo "$object" | sed -e 's,^.*/,,' -e 's/\(.*\)\..*$/\1/'`
179
  tmpdepfile="$stripped.u"
180
  outname="$stripped.o"
181
  if test "$libtool" = yes; then
182
    "$@" -Wc,-M
183
  else
184
    "$@" -M
185
  fi
186
 
187
  stat=$?
188
  if test $stat -eq 0; then :
189
  else
190
    rm -f "$tmpdepfile"
191
    exit $stat
192
  fi
193
 
194
  if test -f "$tmpdepfile"; then
195
    # Each line is of the form `foo.o: dependent.h'.
196
    # Do two passes, one to just change these to
197
    # `$object: dependent.h' and one to simply `dependent.h:'.
198
    sed -e "s,^$outname:,$object :," < "$tmpdepfile" > "$depfile"
199
    sed -e "s,^$outname: \(.*\)$,\1:," < "$tmpdepfile" >> "$depfile"
200
  else
201
    # The sourcefile does not contain any dependencies, so just
202
    # store a dummy comment line, to avoid errors with the Makefile
203
    # "include basename.Plo" scheme.
204
    echo "#dummy" > "$depfile"
205
  fi
206
  rm -f "$tmpdepfile"
207
  ;;
208
 
209
tru64)
210
   # The Tru64 compiler uses -MD to generate dependencies as a side
211
   # effect.  `cc -MD -o foo.o ...' puts the dependencies into `foo.o.d'.
212
   # At least on Alpha/Redhat 6.1, Compaq CCC V6.2-504 seems to put
213
   # dependencies in `foo.d' instead, so we check for that too.
214
   # Subdirectories are respected.
215
   dir=`echo "$object" | sed -e 's|/[^/]*$|/|'`
216
   test "x$dir" = "x$object" && dir=
217
   base=`echo "$object" | sed -e 's|^.*/||' -e 's/\.o$//' -e 's/\.lo$//'`
218
 
219
   if test "$libtool" = yes; then
220
      tmpdepfile1="$dir.libs/$base.lo.d"
221
      tmpdepfile2="$dir.libs/$base.d"
222
      "$@" -Wc,-MD
223
   else
224
      tmpdepfile1="$dir$base.o.d"
225
      tmpdepfile2="$dir$base.d"
226
      "$@" -MD
227
   fi
228
 
229
   stat=$?
230
   if test $stat -eq 0; then :
231
   else
232
      rm -f "$tmpdepfile1" "$tmpdepfile2"
233
      exit $stat
234
   fi
235
 
236
   if test -f "$tmpdepfile1"; then
237
      tmpdepfile="$tmpdepfile1"
238
   else
239
      tmpdepfile="$tmpdepfile2"
240
   fi
241
   if test -f "$tmpdepfile"; then
242
      sed -e "s,^.*\.[a-z]*:,$object:," < "$tmpdepfile" > "$depfile"
243
      # That's a space and a tab in the [].
244
      sed -e 's,^.*\.[a-z]*:[   ]*,,' -e 's,$,:,' < "$tmpdepfile" >> "$depfile"
245
   else
246
      echo "#dummy" > "$depfile"
247
   fi
248
   rm -f "$tmpdepfile"
249
   ;;
250
 
251
#nosideeffect)
252
  # This comment above is used by automake to tell side-effect
253
  # dependency tracking mechanisms from slower ones.
254
 
255
dashmstdout)
256
  # Important note: in order to support this mode, a compiler *must*
257
  # always write the proprocessed file to stdout, regardless of -o.
258
  "$@" || exit $?
259
 
260
  # Remove the call to Libtool.
261
  if test "$libtool" = yes; then
262
    while test $1 != '--mode=compile'; do
263
      shift
264
    done
265
    shift
266
  fi
267
 
268
  # Remove `-o $object'.  We will use -o /dev/null later,
269
  # however we can't do the remplacement now because
270
  # `-o $object' might simply not be used
271
  IFS=" "
272
  for arg
273
  do
274
    case $arg in
275
    -o)
276
      shift
277
      ;;
278
    $object)
279
      shift
280
      ;;
281
    *)
282
      set fnord "$@" "$arg"
283
      shift # fnord
284
      shift # $arg
285
      ;;
286
    esac
287
  done
288
 
289
  test -z "$dashmflag" && dashmflag=-M
290
  "$@" -o /dev/null $dashmflag | sed 's:^[^:]*\:[       ]*:'"$object"'\: :' > "$tmpdepfile"
291
  rm -f "$depfile"
292
  cat < "$tmpdepfile" > "$depfile"
293
  tr ' ' '
294
' < "$tmpdepfile" | \
295
## Some versions of the HPUX 10.20 sed can't process this invocation
296
## correctly.  Breaking it into two sed invocations is a workaround.
297
    sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
298
  rm -f "$tmpdepfile"
299
  ;;
300
 
301
dashXmstdout)
302
  # This case only exists to satisfy depend.m4.  It is never actually
303
  # run, as this mode is specially recognized in the preamble.
304
  exit 1
305
  ;;
306
 
307
makedepend)
308
  "$@" || exit $?
309
  # X makedepend
310
  shift
311
  cleared=no
312
  for arg in "$@"; do
313
    case $cleared in
314
    no)
315
      set ""; shift
316
      cleared=yes ;;
317
    esac
318
    case "$arg" in
319
    -D*|-I*)
320
      set fnord "$@" "$arg"; shift ;;
321
    -*)
322
      ;;
323
    *)
324
      set fnord "$@" "$arg"; shift ;;
325
    esac
326
  done
327
  obj_suffix="`echo $object | sed 's/^.*\././'`"
328
  touch "$tmpdepfile"
329
  ${MAKEDEPEND-makedepend} -o"$obj_suffix" -f"$tmpdepfile" "$@"
330
  rm -f "$depfile"
331
  cat < "$tmpdepfile" > "$depfile"
332
  sed '1,2d' "$tmpdepfile" | tr ' ' '
333
' | \
334
## Some versions of the HPUX 10.20 sed can't process this invocation
335
## correctly.  Breaking it into two sed invocations is a workaround.
336
    sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
337
  rm -f "$tmpdepfile" "$tmpdepfile".bak
338
  ;;
339
 
340
cpp)
341
  # Important note: in order to support this mode, a compiler *must*
342
  # always write the proprocessed file to stdout.
343
  "$@" || exit $?
344
 
345
  # Remove the call to Libtool.
346
  if test "$libtool" = yes; then
347
    while test $1 != '--mode=compile'; do
348
      shift
349
    done
350
    shift
351
  fi
352
 
353
  # Remove `-o $object'.
354
  IFS=" "
355
  for arg
356
  do
357
    case $arg in
358
    -o)
359
      shift
360
      ;;
361
    $object)
362
      shift
363
      ;;
364
    *)
365
      set fnord "$@" "$arg"
366
      shift # fnord
367
      shift # $arg
368
      ;;
369
    esac
370
  done
371
 
372
  "$@" -E |
373
    sed -n '/^# [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' |
374
    sed '$ s: \\$::' > "$tmpdepfile"
375
  rm -f "$depfile"
376
  echo "$object : \\" > "$depfile"
377
  cat < "$tmpdepfile" >> "$depfile"
378
  sed < "$tmpdepfile" '/^$/d;s/^ //;s/ \\$//;s/$/ :/' >> "$depfile"
379
  rm -f "$tmpdepfile"
380
  ;;
381
 
382
msvisualcpp)
383
  # Important note: in order to support this mode, a compiler *must*
384
  # always write the proprocessed file to stdout, regardless of -o,
385
  # because we must use -o when running libtool.
386
  "$@" || exit $?
387
  IFS=" "
388
  for arg
389
  do
390
    case "$arg" in
391
    "-Gm"|"/Gm"|"-Gi"|"/Gi"|"-ZI"|"/ZI")
392
        set fnord "$@"
393
        shift
394
        shift
395
        ;;
396
    *)
397
        set fnord "$@" "$arg"
398
        shift
399
        shift
400
        ;;
401
    esac
402
  done
403
  "$@" -E |
404
  sed -n '/^#line [0-9][0-9]* "\([^"]*\)"/ s::echo "`cygpath -u \\"\1\\"`":p' | sort | uniq > "$tmpdepfile"
405
  rm -f "$depfile"
406
  echo "$object : \\" > "$depfile"
407
  . "$tmpdepfile" | sed 's% %\\ %g' | sed -n '/^\(.*\)$/ s::    \1 \\:p' >> "$depfile"
408
  echo "        " >> "$depfile"
409
  . "$tmpdepfile" | sed 's% %\\ %g' | sed -n '/^\(.*\)$/ s::\1\::p' >> "$depfile"
410
  rm -f "$tmpdepfile"
411
  ;;
412
 
413
none)
414
  exec "$@"
415
  ;;
416
 
417
*)
418
  echo "Unknown depmode $depmode" 1>&2
419
  exit 1
420
  ;;
421
esac
422
 
423
exit 0

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