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lxdream.org :: lxdream/depcomp
lxdream 0.9.1
released Jun 29
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filename depcomp
changeset 179:18dacd91aa73
author nkeynes
date Tue Jun 27 14:02:27 2006 +0000 (13 years ago)
permissions -rwxr-xr-x
last change Add default automake files
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#! /bin/sh
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# depcomp - compile a program generating dependencies as side-effects
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# Copyright 1999, 2000, 2003 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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# 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.
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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 "$object"; then
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  echo "depcomp: Variables source, object and depmode must be set" 1>&2
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  exit 1
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fi
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# `libtool' can also be set to `yes' or `no'.
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if test -z "$depfile"; then
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   base=`echo "$object" | sed -e 's,^.*/,,' -e 's,\.\([^.]*\)$,.P\1,'`
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   dir=`echo "$object" | sed 's,/.*$,/,'`
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   if test "$dir" = "$object"; then
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      dir=
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   fi
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   # FIXME: should be _deps on DOS.
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   depfile="$dir.deps/$base"
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fi
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tmpdepfile=${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 "$depmode" in
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gcc3)
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## gcc 3 implements dependency tracking that does exactly what
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## we want.  Yay!  Note: for some reason libtool 1.4 doesn't like
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## it if -MD -MP comes after the -MF stuff.  Hmm.
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  "$@" -MT "$object" -MD -MP -MF "$tmpdepfile"
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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 $stat
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  fi
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  mv "$tmpdepfile" "$depfile"
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  ;;
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gcc)
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## There are various ways to get dependency output from gcc.  Here's
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## why we pick this rather obscure method:
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## - Don't want to use -MD because we'd like the dependencies to end
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##   up in a subdir.  Having to rename by hand is ugly.
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##   (We might end up doing this anyway to support other compilers.)
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## - The DEPENDENCIES_OUTPUT environment variable makes gcc act like
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##   -MM, not -M (despite what the docs say).
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## - Using -M directly means running the compiler twice (even worse
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##   than renaming).
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  if test -z "$gccflag"; then
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    gccflag=-MD,
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  fi
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  "$@" -Wp,"$gccflag$tmpdepfile"
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  stat=$?
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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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  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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  if test -f "$tmpdepfile"; then  # yes, the sourcefile depend on other files
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    echo "$object : \\" > "$depfile"
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    # Clip off the initial element (the dependent).  Don't try to be
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    # clever and replace this with sed code, as IRIX sed won't handle
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    # lines with more than a fixed number of characters (4096 in
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    # IRIX 6.2 sed, 8192 in IRIX 6.5).  We also remove comment lines;
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    # the IRIX cc adds comments like `#:fec' to the end of the
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    # dependency line.
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    tr ' ' '
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' < "$tmpdepfile" \
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    | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' | \
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    tr '
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' ' ' >> $depfile
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    echo >> $depfile
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    # The second pass generates a dummy entry for each header file.
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    tr ' ' '
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' < "$tmpdepfile" \
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   | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' -e 's/$/:/' \
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   >> $depfile
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  else
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    # The sourcefile does not contain any dependencies, so just
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    # store a dummy comment line, to avoid errors with the Makefile
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    # "include basename.Plo" scheme.
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    echo "#dummy" > "$depfile"
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  fi
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  rm -f "$tmpdepfile"
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  ;;
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aix)
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  # The C for AIX Compiler uses -M and outputs the dependencies
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  # in a .u file.  In older versions, this file always lives in the
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  # current directory.  Also, the AIX compiler puts `$object:' at the
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  # start of each line; $object doesn't have directory information.
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  # Version 6 uses the directory in both cases.
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  stripped=`echo "$object" | sed 's/\(.*\)\..*$/\1/'`
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  tmpdepfile="$stripped.u"
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  if test "$libtool" = yes; then
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    "$@" -Wc,-M
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  else
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    "$@" -M
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  fi
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  stat=$?
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  if test -f "$tmpdepfile"; then :
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  else
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    stripped=`echo "$stripped" | sed 's,^.*/,,'`
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    tmpdepfile="$stripped.u"
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  fi
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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 $stat
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  fi
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  if test -f "$tmpdepfile"; then
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    outname="$stripped.o"
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    # Each line is of the form `foo.o: dependent.h'.
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    # Do two passes, one to just change these to
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    # `$object: dependent.h' and one to simply `dependent.h:'.
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    sed -e "s,^$outname:,$object :," < "$tmpdepfile" > "$depfile"
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    sed -e "s,^$outname: \(.*\)$,\1:," < "$tmpdepfile" >> "$depfile"
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  else
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    # The sourcefile does not contain any dependencies, so just
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    # store a dummy comment line, to avoid errors with the Makefile
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    # "include basename.Plo" scheme.
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    echo "#dummy" > "$depfile"
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  fi
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  rm -f "$tmpdepfile"
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  ;;
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icc)
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  # Intel's C compiler understands `-MD -MF file'.  However on
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  #    icc -MD -MF foo.d -c -o sub/foo.o sub/foo.c
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  # ICC 7.0 will fill foo.d with something like
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  #    foo.o: sub/foo.c
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  #    foo.o: sub/foo.h
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  # which is wrong.  We want:
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  #    sub/foo.o: sub/foo.c
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  #    sub/foo.o: sub/foo.h
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  #    sub/foo.c:
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  #    sub/foo.h:
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  # ICC 7.1 will output
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  #    foo.o: sub/foo.c sub/foo.h
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  # and will wrap long lines using \ :
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  #    foo.o: sub/foo.c ... \
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  #     sub/foo.h ... \
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  #     ...
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  "$@" -MD -MF "$tmpdepfile"
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  stat=$?
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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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  # Each line is of the form `foo.o: dependent.h',
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  # or `foo.o: dep1.h dep2.h \', or ` dep3.h dep4.h \'.
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  # Do two passes, one to just change these to
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  # `$object: dependent.h' and one to simply `dependent.h:'.
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  sed "s,^[^:]*:,$object :," < "$tmpdepfile" > "$depfile"
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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 's,^[^:]*: \(.*\)$,\1,;s/^\\$//;/^$/d;/:$/d' < "$tmpdepfile" |
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    sed -e 's/$/ :/' >> "$depfile"
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  rm -f "$tmpdepfile"
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  ;;
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tru64)
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   # The Tru64 compiler uses -MD to generate dependencies as a side
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   # effect.  `cc -MD -o foo.o ...' puts the dependencies into `foo.o.d'.
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   # At least on Alpha/Redhat 6.1, Compaq CCC V6.2-504 seems to put
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   # dependencies in `foo.d' instead, so we check for that too.
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   # Subdirectories are respected.
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   dir=`echo "$object" | sed -e 's|/[^/]*$|/|'`
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   test "x$dir" = "x$object" && dir=
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   base=`echo "$object" | sed -e 's|^.*/||' -e 's/\.o$//' -e 's/\.lo$//'`
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   if test "$libtool" = yes; then
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      tmpdepfile1="$dir.libs/$base.lo.d"
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      tmpdepfile2="$dir.libs/$base.d"
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      "$@" -Wc,-MD
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   else
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      tmpdepfile1="$dir$base.o.d"
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      tmpdepfile2="$dir$base.d"
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      "$@" -MD
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   fi
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   stat=$?
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   if test $stat -eq 0; then :
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   else
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      rm -f "$tmpdepfile1" "$tmpdepfile2"
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      exit $stat
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   fi
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   if test -f "$tmpdepfile1"; then
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      tmpdepfile="$tmpdepfile1"
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   else
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      tmpdepfile="$tmpdepfile2"
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   fi
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   if test -f "$tmpdepfile"; then
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      sed -e "s,^.*\.[a-z]*:,$object:," < "$tmpdepfile" > "$depfile"
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      # That's a tab and a space in the [].
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      sed -e 's,^.*\.[a-z]*:[	 ]*,,' -e 's,$,:,' < "$tmpdepfile" >> "$depfile"
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   else
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      echo "#dummy" > "$depfile"
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   fi
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   rm -f "$tmpdepfile"
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   ;;
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#nosideeffect)
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  # This comment above is used by automake to tell side-effect
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  # dependency tracking mechanisms from slower ones.
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dashmstdout)
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  # Important note: in order to support this mode, a compiler *must*
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  # always write the preprocessed file to stdout, regardless of -o.
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  "$@" || exit $?
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  # Remove the call to Libtool.
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  if test "$libtool" = yes; then
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    while test $1 != '--mode=compile'; do
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      shift
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    done
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    shift
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  fi
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  # Remove `-o $object'.
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  IFS=" "
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  for arg
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  do
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    case $arg in
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    -o)
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      shift
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      ;;
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    $object)
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      shift
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      ;;
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    *)
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      set fnord "$@" "$arg"
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      shift # fnord
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      shift # $arg
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      ;;
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    esac
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  done
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   332
  test -z "$dashmflag" && dashmflag=-M
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  # Require at least two characters before searching for `:'
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  # in the target name.  This is to cope with DOS-style filenames:
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  # a dependency such as `c:/foo/bar' could be seen as target `c' otherwise.
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  "$@" $dashmflag |
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    sed 's:^[  ]*[^: ][^:][^:]*\:[    ]*:'"$object"'\: :' > "$tmpdepfile"
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  rm -f "$depfile"
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  cat < "$tmpdepfile" > "$depfile"
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  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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  rm -f "$tmpdepfile"
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  ;;
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dashXmstdout)
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  # This case only exists to satisfy depend.m4.  It is never actually
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  # run, as this mode is specially recognized in the preamble.
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  exit 1
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  ;;
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makedepend)
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  "$@" || exit $?
nkeynes@179
   356
  # Remove any Libtool call
nkeynes@179
   357
  if test "$libtool" = yes; then
nkeynes@179
   358
    while test $1 != '--mode=compile'; do
nkeynes@179
   359
      shift
nkeynes@179
   360
    done
nkeynes@179
   361
    shift
nkeynes@179
   362
  fi
nkeynes@179
   363
  # X makedepend
nkeynes@179
   364
  shift
nkeynes@179
   365
  cleared=no
nkeynes@179
   366
  for arg in "$@"; do
nkeynes@179
   367
    case $cleared in
nkeynes@179
   368
    no)
nkeynes@179
   369
      set ""; shift
nkeynes@179
   370
      cleared=yes ;;
nkeynes@179
   371
    esac
nkeynes@179
   372
    case "$arg" in
nkeynes@179
   373
    -D*|-I*)
nkeynes@179
   374
      set fnord "$@" "$arg"; shift ;;
nkeynes@179
   375
    # Strip any option that makedepend may not understand.  Remove
nkeynes@179
   376
    # the object too, otherwise makedepend will parse it as a source file.
nkeynes@179
   377
    -*|$object)
nkeynes@179
   378
      ;;
nkeynes@179
   379
    *)
nkeynes@179
   380
      set fnord "$@" "$arg"; shift ;;
nkeynes@179
   381
    esac
nkeynes@179
   382
  done
nkeynes@179
   383
  obj_suffix="`echo $object | sed 's/^.*\././'`"
nkeynes@179
   384
  touch "$tmpdepfile"
nkeynes@179
   385
  ${MAKEDEPEND-makedepend} -o"$obj_suffix" -f"$tmpdepfile" "$@"
nkeynes@179
   386
  rm -f "$depfile"
nkeynes@179
   387
  cat < "$tmpdepfile" > "$depfile"
nkeynes@179
   388
  sed '1,2d' "$tmpdepfile" | tr ' ' '
nkeynes@179
   389
' | \
nkeynes@179
   390
## Some versions of the HPUX 10.20 sed can't process this invocation
nkeynes@179
   391
## correctly.  Breaking it into two sed invocations is a workaround.
nkeynes@179
   392
    sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
nkeynes@179
   393
  rm -f "$tmpdepfile" "$tmpdepfile".bak
nkeynes@179
   394
  ;;
nkeynes@179
   395
nkeynes@179
   396
cpp)
nkeynes@179
   397
  # Important note: in order to support this mode, a compiler *must*
nkeynes@179
   398
  # always write the preprocessed file to stdout.
nkeynes@179
   399
  "$@" || exit $?
nkeynes@179
   400
nkeynes@179
   401
  # Remove the call to Libtool.
nkeynes@179
   402
  if test "$libtool" = yes; then
nkeynes@179
   403
    while test $1 != '--mode=compile'; do
nkeynes@179
   404
      shift
nkeynes@179
   405
    done
nkeynes@179
   406
    shift
nkeynes@179
   407
  fi
nkeynes@179
   408
nkeynes@179
   409
  # Remove `-o $object'.
nkeynes@179
   410
  IFS=" "
nkeynes@179
   411
  for arg
nkeynes@179
   412
  do
nkeynes@179
   413
    case $arg in
nkeynes@179
   414
    -o)
nkeynes@179
   415
      shift
nkeynes@179
   416
      ;;
nkeynes@179
   417
    $object)
nkeynes@179
   418
      shift
nkeynes@179
   419
      ;;
nkeynes@179
   420
    *)
nkeynes@179
   421
      set fnord "$@" "$arg"
nkeynes@179
   422
      shift # fnord
nkeynes@179
   423
      shift # $arg
nkeynes@179
   424
      ;;
nkeynes@179
   425
    esac
nkeynes@179
   426
  done
nkeynes@179
   427
nkeynes@179
   428
  "$@" -E |
nkeynes@179
   429
    sed -n '/^# [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' |
nkeynes@179
   430
    sed '$ s: \\$::' > "$tmpdepfile"
nkeynes@179
   431
  rm -f "$depfile"
nkeynes@179
   432
  echo "$object : \\" > "$depfile"
nkeynes@179
   433
  cat < "$tmpdepfile" >> "$depfile"
nkeynes@179
   434
  sed < "$tmpdepfile" '/^$/d;s/^ //;s/ \\$//;s/$/ :/' >> "$depfile"
nkeynes@179
   435
  rm -f "$tmpdepfile"
nkeynes@179
   436
  ;;
nkeynes@179
   437
nkeynes@179
   438
msvisualcpp)
nkeynes@179
   439
  # Important note: in order to support this mode, a compiler *must*
nkeynes@179
   440
  # always write the preprocessed file to stdout, regardless of -o,
nkeynes@179
   441
  # because we must use -o when running libtool.
nkeynes@179
   442
  "$@" || exit $?
nkeynes@179
   443
  IFS=" "
nkeynes@179
   444
  for arg
nkeynes@179
   445
  do
nkeynes@179
   446
    case "$arg" in
nkeynes@179
   447
    "-Gm"|"/Gm"|"-Gi"|"/Gi"|"-ZI"|"/ZI")
nkeynes@179
   448
	set fnord "$@"
nkeynes@179
   449
	shift
nkeynes@179
   450
	shift
nkeynes@179
   451
	;;
nkeynes@179
   452
    *)
nkeynes@179
   453
	set fnord "$@" "$arg"
nkeynes@179
   454
	shift
nkeynes@179
   455
	shift
nkeynes@179
   456
	;;
nkeynes@179
   457
    esac
nkeynes@179
   458
  done
nkeynes@179
   459
  "$@" -E |
nkeynes@179
   460
  sed -n '/^#line [0-9][0-9]* "\([^"]*\)"/ s::echo "`cygpath -u \\"\1\\"`":p' | sort | uniq > "$tmpdepfile"
nkeynes@179
   461
  rm -f "$depfile"
nkeynes@179
   462
  echo "$object : \\" > "$depfile"
nkeynes@179
   463
  . "$tmpdepfile" | sed 's% %\\ %g' | sed -n '/^\(.*\)$/ s::	\1 \\:p' >> "$depfile"
nkeynes@179
   464
  echo "	" >> "$depfile"
nkeynes@179
   465
  . "$tmpdepfile" | sed 's% %\\ %g' | sed -n '/^\(.*\)$/ s::\1\::p' >> "$depfile"
nkeynes@179
   466
  rm -f "$tmpdepfile"
nkeynes@179
   467
  ;;
nkeynes@179
   468
nkeynes@179
   469
none)
nkeynes@179
   470
  exec "$@"
nkeynes@179
   471
  ;;
nkeynes@179
   472
nkeynes@179
   473
*)
nkeynes@179
   474
  echo "Unknown depmode $depmode" 1>&2
nkeynes@179
   475
  exit 1
nkeynes@179
   476
  ;;
nkeynes@179
   477
esac
nkeynes@179
   478
nkeynes@179
   479
exit 0
.