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    ;;
  -v | --v*)
    echo "depcomp $scriptversion"
    exit $?
    ;;
esac

# Get the directory component of the given path, and save it in the
# global variables '$dir'.  Note that this directory component will
# be either empty or ending with a '/' character.  This is deliberate.
set_dir_from ()
{
  case $1 in
    */*) dir=`echo "$1" | sed -e 's|/[^/]*$|/|'`;;
      *) dir=;;
  esac
}

# Get the suffix-stripped basename of the given path, and save it the
# global variable '$base'.
set_base_from ()
{
  base=`echo "$1" | sed -e 's|^.*/||' -e 's/\.[^.]*$//'`
}

# If no dependency file was actually created by the compiler invocation,
# we still have to create a dummy depfile, to avoid errors with the
# Makefile "include basename.Plo" scheme.
make_dummy_depfile ()
{
  echo "#dummy" > "$depfile"
}

# Factor out some common post-processing of the generated depfile.
# Requires the auxiliary global variable '$tmpdepfile' to be set.
aix_post_process_depfile ()
{
  # If the compiler actually managed to produce a dependency file,
  # post-process it.
  if test -f "$tmpdepfile"; then
    # Each line is of the form 'foo.o: dependency.h'.
    # Do two passes, one to just change these to
    #   $object: dependency.h
    # and one to simply output
    #   dependency.h:
    # which is needed to avoid the deleted-header problem.
    { sed -e "s,^.*\.[$lower]*:,$object:," < "$tmpdepfile"
      sed -e "s,^.*\.[$lower]*:[$tab ]*,," -e 's,$,:,' < "$tmpdepfile"
    } > "$depfile"
    rm -f "$tmpdepfile"
  else
    make_dummy_depfile
  fi
}

# A tabulation character.
tab='	'
# A newline character.
nl='
'
# Character ranges might be problematic outside the C locale.
# These definitions help.
upper=ABCDEFGHIJKLMNOPQRSTUVWXYZ
lower=abcdefghijklmnopqrstuvwxyz
digits=0123456789
alpha=${upper}${lower}

if test -z "$depmode" || test -z "$source" || test -z "$object"; then
  echo "depcomp: Variables source, object and depmode must be set" 1>&2
  exit 1
fi

# Dependencies for sub/bar.o or sub/bar.obj go into sub/.deps/bar.Po.
depfile=${depfile-`echo "$object" |
  sed 's|[^\\/]*$|'${DEPDIR-.deps}'/&|;s|\.\([^.]*\)$|.P\1|;s|Pobj$|Po|'`}
tmpdepfile=${tmpdepfile-`echo "$depfile" | sed 's/\.\([^.]*\)$/.T\1/'`}

rm -f "$tmpdepfile"

# Avoid interferences from the environment.
gccflag= dashmflag=

# Some modes work just like other modes, but use different flags.  We
# parameterize here, but still list the modes in the big case below,
# to make depend.m4 easier to write.  Note that we *cannot* use a case
# here, because this file can only contain one case statement.
if test "$depmode" = hp; then
  # HP compiler uses -M and no extra arg.
  gccflag=-M
  depmode=gcc
fi

if test "$depmode" = dashXmstdout; then
  # This is just like dashmstdout with a different argument.
  dashmflag=-xM
  depmode=dashmstdout
fi

cygpath_u="cygpath -u -f -"
if test "$depmode" = msvcmsys; then
  # This is just like msvisualcpp but w/o cygpath translation.
  # Just convert the backslash-escaped backslashes to single forward
  # slashes to satisfy depend.m4
  cygpath_u='sed s,\\\\,/,g'
  depmode=msvisualcpp
fi

if test "$depmode" = msvc7msys; then
  # This is just like msvc7 but w/o cygpath translation.
  # Just convert the backslash-escaped backslashes to single forward
  # slashes to satisfy depend.m4
  cygpath_u='sed s,\\\\,/,g'
  depmode=msvc7
fi

if test "$depmode" = xlc; then
  # IBM C/C++ Compilers xlc/xlC can output gcc-like dependency information.
  gccflag=-qmakedep=gcc,-MF
  depmode=gcc
fi