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3 paul 1
#! /bin/sh
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# depcomp - compile a program generating dependencies as side-effects
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# Copyright 1999, 2000 Free Software Foundation, Inc.
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# This program is free software; you can redistribute it and/or modify
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# 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)
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# any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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# 02111-1307, USA.
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# Originally written by Alexandre Oliva <oliva@dcc.unicamp.br>.
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if test -z "$depmode" || test -z "$source" || test -z "$object"; then
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  echo "depcomp: Variables source, object and depmode must be set" 1>&2
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  exit 1
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fi
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# `libtool' can also be set to `yes' or `no'.
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depfile=${depfile-`echo "$object" | sed 's,\([^/]*\)$,.deps/\1,;s/\.\([^.]*\)$/.P\1/'`}
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tmpdepfile=${tmpdepfile-`echo "$depfile" | sed 's/\.\([^.]*\)$/.T\1/'`}
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rm -f "$tmpdepfile"
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# Some modes work just like other modes, but use different flags.  We
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# parameterize here, but still list the modes in the big case below,
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# to make depend.m4 easier to write.  Note that we *cannot* use a case
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# here, because this file can only contain one case statement.
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if test "$depmode" = hp; then
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  # HP compiler uses -M and no extra arg.
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  gccflag=-M
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  depmode=gcc
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fi
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if test "$depmode" = dashXmstdout; then
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   # This is just like dashmstdout with a different argument.
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   dashmflag=-xM
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   depmode=dashmstdout
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fi
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case "$depmode" in
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gcc3)
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## gcc 3 implements dependency tracking that does exactly what
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## we want.  Yay!
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  if "$@" -MT "$object" -MF "$tmpdepfile" -MD -MP; then :
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  else
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    stat=$?
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    rm -f "$tmpdepfile"
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    exit $stat
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  fi
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  mv "$tmpdepfile" "$depfile"
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  ;;
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63
gcc)
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## There are various ways to get dependency output from gcc.  Here's
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## why we pick this rather obscure method:
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## - Don't want to use -MD because we'd like the dependencies to end
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##   up in a subdir.  Having to rename by hand is ugly.
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##   (We might end up doing this anyway to support other compilers.)
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## - The DEPENDENCIES_OUTPUT environment variable makes gcc act like
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##   -MM, not -M (despite what the docs say).
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## - Using -M directly means running the compiler twice (even worse
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##   than renaming).
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  if test -z "$gccflag"; then
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    gccflag=-MD,
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  fi
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  if "$@" -Wp,"$gccflag$tmpdepfile"; then :
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  else
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    stat=$?
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    rm -f "$tmpdepfile"
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    exit $stat
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  fi
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  rm -f "$depfile"
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  echo "$object : \\" > "$depfile"
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  alpha=ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz
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## The second -e expression handles DOS-style file names with drive letters.
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  sed -e 's/^[^:]*: / /' \
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      -e 's/^['$alpha']:\/[^:]*: / /' < "$tmpdepfile" >> "$depfile"
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## This next piece of magic avoids the `deleted header file' problem.
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## The problem is that when a header file which appears in a .P file
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## is deleted, the dependency causes make to die (because there is
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## typically no way to rebuild the header).  We avoid this by adding
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## dummy dependencies for each header file.  Too bad gcc doesn't do
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## this for us directly.
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  tr ' ' '
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' < "$tmpdepfile" |
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## Some versions of gcc put a space before the `:'.  On the theory
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## that the space means something, we add a space to the output as
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## well.
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## Some versions of the HPUX 10.20 sed can't process this invocation
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## correctly.  Breaking it into two sed invocations is a workaround.
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    sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
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  rm -f "$tmpdepfile"
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  ;;
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hp)
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  # This case exists only to let depend.m4 do its work.  It works by
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  # looking at the text of this script.  This case will never be run,
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  # since it is checked for above.
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  exit 1
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  ;;
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sgi)
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  if test "$libtool" = yes; then
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    "$@" "-Wp,-MDupdate,$tmpdepfile"
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  else
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    "$@" -MDupdate "$tmpdepfile"
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  fi
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  stat=$?
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  if test $stat -eq 0; then :
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  else
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    rm -f "$tmpdepfile"
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    exit $stat
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  fi
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  rm -f "$depfile"
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126
  if test -f "$tmpdepfile"; then  # yes, the sourcefile depend on other files
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    echo "$object : \\" > "$depfile"
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    # Clip off the initial element (the dependent). Don't try to be
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    # clever and replace this with sed code, as IRIX sed won't handle
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    # lines with more than a fixed number of characters (4096 in
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    # IRIX 6.2 sed, 8192 in IRIX 6.5).
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    tr ' ' '
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' < "$tmpdepfile" | sed 's/^[^\.]*\.o://' | tr '
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' ' ' >> $depfile
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137
    tr ' ' '
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' < "$tmpdepfile" | \
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## Some versions of the HPUX 10.20 sed can't process this invocation
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## correctly.  Breaking it into two sed invocations is a workaround.
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      sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
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  else
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    # The sourcefile does not contain any dependencies, so just
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    # store a dummy comment line, to avoid errors with the Makefile
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    # "include basename.Plo" scheme.
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    echo "#dummy" > "$depfile"
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  fi
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  rm -f "$tmpdepfile"
149
  ;;
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151
aix)
152
  # The C for AIX Compiler uses -M and outputs the dependencies
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  # in a .u file.
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  tmpdepfile=`echo "$object" | sed 's/\(.*\)\..*$/\1.u/'`
155
  if test "$libtool" = yes; then
156
    "$@" -Wc,-M
157
  else
158
    "$@" -M
159
  fi
160
 
161
  stat=$?
162
  if test $stat -eq 0; then :
163
  else
164
    rm -f "$tmpdepfile"
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    exit $stat
166
  fi
167
 
168
  if test -f "$tmpdepfile"; then
169
    echo "$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
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    # IRIX 6.2 sed, 8192 in IRIX 6.5).
175
    tr ' ' '
176
' < "$tmpdepfile" | sed 's/^[^\.]*\.o://' | tr '
177
' ' ' >> $depfile
178
 
179
    tr ' ' '
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' < "$tmpdepfile" | \
181
## Some versions of the HPUX 10.20 sed can't process this invocation
182
## correctly.  Breaking it into two sed invocations is a workaround.
183
      sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
184
  else
185
    # The sourcefile does not contain any dependencies, so just
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    # store a dummy comment line, to avoid errors with the Makefile
187
    # "include basename.Plo" scheme.
188
    echo "#dummy" > "$depfile"
189
  fi
190
  rm -f "$tmpdepfile"
191
  ;;
192
 
193
#nosideeffect)
194
  # This comment above is used by automake to tell side-effect
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  # dependency tracking mechanisms from slower ones.
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197
dashmstdout)
198
  # Important note: in order to support this mode, a compiler *must*
199
  # always write the proprocessed file to stdout, regardless of -o,
200
  # because we must use -o when running libtool.
201
  test -z "$dashmflag" && dashmflag=-M
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  ( IFS=" "
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    case " $* " in
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    *" --mode=compile "*) # this is libtool, let us make it quiet
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      for arg
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      do # cycle over the arguments
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        case "$arg" in
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	"--mode=compile")
209
	  # insert --quiet before "--mode=compile"
210
	  set fnord "$@" --quiet
211
	  shift # fnord
212
	  ;;
213
	esac
214
	set fnord "$@" "$arg"
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	shift # fnord
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	shift # "$arg"
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      done
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      ;;
219
    esac
220
    "$@" $dashmflag | sed 's:^[^:]*\:[ 	]*:'"$object"'\: :' > "$tmpdepfile"
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  ) &
222
  proc=$!
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  "$@"
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  stat=$?
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  wait "$proc"
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  if test "$stat" != 0; then exit $stat; fi
227
  rm -f "$depfile"
228
  cat < "$tmpdepfile" > "$depfile"
229
  tr ' ' '
230
' < "$tmpdepfile" | \
231
## Some versions of the HPUX 10.20 sed can't process this invocation
232
## correctly.  Breaking it into two sed invocations is a workaround.
233
    sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
234
  rm -f "$tmpdepfile"
235
  ;;
236
 
237
dashXmstdout)
238
  # This case only exists to satisfy depend.m4.  It is never actually
239
  # run, as this mode is specially recognized in the preamble.
240
  exit 1
241
  ;;
242
 
243
makedepend)
244
  # X makedepend
245
  (
246
    shift
247
    cleared=no
248
    for arg in "$@"; do
249
      case $cleared in no)
250
        set ""; shift
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	cleared=yes
252
      esac
253
      case "$arg" in
254
        -D*|-I*)
255
	  set fnord "$@" "$arg"; shift;;
256
	-*)
257
	  ;;
258
	*)
259
	  set fnord "$@" "$arg"; shift;;
260
      esac
261
    done
262
    obj_suffix="`echo $object | sed 's/^.*\././'`"
263
    touch "$tmpdepfile"
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    ${MAKEDEPEND-makedepend} 2>/dev/null -o"$obj_suffix" -f"$tmpdepfile" "$@"
265
  ) &
266
  proc=$!
267
  "$@"
268
  stat=$?
269
  wait "$proc"
270
  if test "$stat" != 0; then exit $stat; fi
271
  rm -f "$depfile"
272
  cat < "$tmpdepfile" > "$depfile"
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  tail +3 "$tmpdepfile" | tr ' ' '
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' | \
275
## Some versions of the HPUX 10.20 sed can't process this invocation
276
## correctly.  Breaking it into two sed invocations is a workaround.
277
    sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
278
  rm -f "$tmpdepfile" "$tmpdepfile".bak
279
  ;;
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281
cpp)
282
  # Important note: in order to support this mode, a compiler *must*
283
  # always write the proprocessed file to stdout, regardless of -o,
284
  # because we must use -o when running libtool.
285
  ( IFS=" "
286
    case " $* " in
287
    *" --mode=compile "*)
288
      for arg
289
      do # cycle over the arguments
290
        case $arg in
291
	"--mode=compile")
292
	  # insert --quiet before "--mode=compile"
293
	  set fnord "$@" --quiet
294
	  shift # fnord
295
	  ;;
296
	esac
297
	set fnord "$@" "$arg"
298
	shift # fnord
299
	shift # "$arg"
300
      done
301
      ;;
302
    esac
303
    "$@" -E |
304
    sed -n '/^# [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' |
305
    sed '$ s: \\$::' > "$tmpdepfile"
306
  ) &
307
  proc=$!
308
  "$@"
309
  stat=$?
310
  wait "$proc"
311
  if test "$stat" != 0; then exit $stat; fi
312
  rm -f "$depfile"
313
  echo "$object : \\" > "$depfile"
314
  cat < "$tmpdepfile" >> "$depfile"
315
  sed < "$tmpdepfile" '/^$/d;s/^ //;s/ \\$//;s/$/ :/' >> "$depfile"
316
  rm -f "$tmpdepfile"
317
  ;;
318
 
319
msvisualcpp)
320
  # Important note: in order to support this mode, a compiler *must*
321
  # always write the proprocessed file to stdout, regardless of -o,
322
  # because we must use -o when running libtool.
323
  ( IFS=" "
324
    case " $* " in
325
    *" --mode=compile "*)
326
      for arg
327
      do # cycle over the arguments
328
        case $arg in
329
	"--mode=compile")
330
	  # insert --quiet before "--mode=compile"
331
	  set fnord "$@" --quiet
332
	  shift # fnord
333
	  ;;
334
	esac
335
	set fnord "$@" "$arg"
336
	shift # fnord
337
	shift # "$arg"
338
      done
339
      ;;
340
    esac
341
    "$@" -E |
342
    sed -n '/^#line [0-9][0-9]* "\([^"]*\)"/ s::echo "`cygpath -u \\"\1\\"`":p' | sort | uniq > "$tmpdepfile"
343
  ) &
344
  proc=$!
345
  "$@"
346
  stat=$?
347
  wait "$proc"
348
  if test "$stat" != 0; then exit $stat; fi
349
  rm -f "$depfile"
350
  echo "$object : \\" > "$depfile"
351
  . "$tmpdepfile" | sed 's% %\\ %g' | sed -n '/^\(.*\)$/ s::	\1 \\:p' >> "$depfile"
352
  echo "	" >> "$depfile"
353
  . "$tmpdepfile" | sed 's% %\\ %g' | sed -n '/^\(.*\)$/ s::\1\::p' >> "$depfile"
354
  rm -f "$tmpdepfile"
355
  ;;
356
 
357
none)
358
  exec "$@"
359
  ;;
360
 
361
*)
362
  echo "Unknown depmode $depmode" 1>&2
363
  exit 1
364
  ;;
365
esac
366
 
367
exit 0