[ViewVC] Annotation of: cvs/lsys/depcomp

#! /bin/sh

# depcomp - compile a program generating dependencies as side-effects
# Copyright 1999, 2000, 2003 Free Software Foundation, Inc.

# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2, or (at your option)
# any later version.

# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.

# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
# 02111-1307, USA.

# As a special exception to the GNU General Public License, if you
# distribute this file as part of a program that contains a
# configuration script generated by Autoconf, you may include it under
# the same distribution terms that you use for the rest of that program.

# Originally written by Alexandre Oliva <oliva@dcc.unicamp.br>.

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
# `libtool' can also be set to `yes' or `no'.

if test -z "$depfile"; then
   base=`echo "$object" | sed -e 's,^.*/,,' -e 's,\.\([^.]*\)$,.P\1,'`
   dir=`echo "$object" | sed 's,/.*$,/,'`
   if test "$dir" = "$object"; then
      dir=
   fi
   # FIXME: should be _deps on DOS.
   depfile="$dir.deps/$base"
fi

tmpdepfile=${tmpdepfile-`echo "$depfile" | sed 's/\.\([^.]*\)$/.T\1/'`}

rm -f "$tmpdepfile"

# 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

case "$depmode" in
gcc3)
## gcc 3 implements dependency tracking that does exactly what
## we want.  Yay!  Note: for some reason libtool 1.4 doesn't like
## it if -MD -MP comes after the -MF stuff.  Hmm.
  "$@" -MT "$object" -MD -MP -MF "$tmpdepfile"
  stat=$?
  if test $stat -eq 0; then :
  else
    rm -f "$tmpdepfile"
    exit $stat
  fi
  mv "$tmpdepfile" "$depfile"
  ;;

gcc)
## There are various ways to get dependency output from gcc.  Here's
## why we pick this rather obscure method:
## - Don't want to use -MD because we'd like the dependencies to end
##   up in a subdir.  Having to rename by hand is ugly.
##   (We might end up doing this anyway to support other compilers.)
## - The DEPENDENCIES_OUTPUT environment variable makes gcc act like
##   -MM, not -M (despite what the docs say).
## - Using -M directly means running the compiler twice (even worse
##   than renaming).
  if test -z "$gccflag"; then
    gccflag=-MD,
  fi
  "$@" -Wp,"$gccflag$tmpdepfile"
  stat=$?
  if test $stat -eq 0; then :
  else
    rm -f "$tmpdepfile"
    exit $stat
  fi
  rm -f "$depfile"
  echo "$object : \\" > "$depfile"
  alpha=ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz
## The second -e expression handles DOS-style file names with drive letters.
  sed -e 's/^[^:]*: / /' \
      -e 's/^['$alpha']:\/[^:]*: / /' < "$tmpdepfile" >> "$depfile"
## This next piece of magic avoids the `deleted header file' problem.
## The problem is that when a header file which appears in a .P file
## is deleted, the dependency causes make to die (because there is
## typically no way to rebuild the header).  We avoid this by adding
## dummy dependencies for each header file.  Too bad gcc doesn't do
## this for us directly.
  tr ' ' '
' < "$tmpdepfile" |
## Some versions of gcc put a space before the `:'.  On the theory
## that the space means something, we add a space to the output as
## well.
## Some versions of the HPUX 10.20 sed can't process this invocation
## correctly.  Breaking it into two sed invocations is a workaround.
    sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
  rm -f "$tmpdepfile"
  ;;

hp)
  # This case exists only to let depend.m4 do its work.  It works by
  # looking at the text of this script.  This case will never be run,
  # since it is checked for above.
  exit 1
  ;;

sgi)
  if test "$libtool" = yes; then
    "$@" "-Wp,-MDupdate,$tmpdepfile"
  else
    "$@" -MDupdate "$tmpdepfile"
  fi
  stat=$?
  if test $stat -eq 0; then :
  else
    rm -f "$tmpdepfile"
    exit $stat
  fi
  rm -f "$depfile"

  if test -f "$tmpdepfile"; then  # yes, the sourcefile depend on other files
    echo "$object : \\" > "$depfile"

    # Clip off the initial element (the dependent).  Don't try to be
    # clever and replace this with sed code, as IRIX sed won't handle
    # lines with more than a fixed number of characters (4096 in
    # IRIX 6.2 sed, 8192 in IRIX 6.5).  We also remove comment lines;
    # the IRIX cc adds comments like `#:fec' to the end of the
    # dependency line.
    tr ' ' '
' < "$tmpdepfile" \
    | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' | \
    tr '
' ' ' >> $depfile
    echo >> $depfile

    # The second pass generates a dummy entry for each header file.
    tr ' ' '
' < "$tmpdepfile" \
   | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' -e 's/$/:/' \
   >> $depfile
  else
    # The sourcefile does not contain any dependencies, so just
    # store a dummy comment line, to avoid errors with the Makefile
    # "include basename.Plo" scheme.
    echo "#dummy" > "$depfile"
  fi
  rm -f "$tmpdepfile"
  ;;

aix)
  # The C for AIX Compiler uses -M and outputs the dependencies
  # in a .u file.  In older versions, this file always lives in the
  # current directory.  Also, the AIX compiler puts `$object:' at the
  # start of each line; $object doesn't have directory information.
  # Version 6 uses the directory in both cases.
  stripped=`echo "$object" | sed 's/\(.*\)\..*$/\1/'`
  tmpdepfile="$stripped.u"
  if test "$libtool" = yes; then
    "$@" -Wc,-M
  else
    "$@" -M
  fi
  stat=$?

  if test -f "$tmpdepfile"; then :
  else
    stripped=`echo "$stripped" | sed 's,^.*/,,'`
    tmpdepfile="$stripped.u"
  fi

  if test $stat -eq 0; then :
  else
    rm -f "$tmpdepfile"
    exit $stat
  fi

  if test -f "$tmpdepfile"; then
    outname="$stripped.o"
    # Each line is of the form `foo.o: dependent.h'.
    # Do two passes, one to just change these to
    # `$object: dependent.h' and one to simply `dependent.h:'.
    sed -e "s,^$outname:,$object :," < "$tmpdepfile" > "$depfile"
    sed -e "s,^$outname: \(.*\)$,\1:," < "$tmpdepfile" >> "$depfile"
  else
    # The sourcefile does not contain any dependencies, so just
    # store a dummy comment line, to avoid errors with the Makefile
    # "include basename.Plo" scheme.
    echo "#dummy" > "$depfile"
  fi
  rm -f "$tmpdepfile"
  ;;

icc)
  # Intel's C compiler understands `-MD -MF file'.  However on
  #    icc -MD -MF foo.d -c -o sub/foo.o sub/foo.c
  # ICC 7.0 will fill foo.d with something like
  #    foo.o: sub/foo.c
  #    foo.o: sub/foo.h
  # which is wrong.  We want:
  #    sub/foo.o: sub/foo.c
  #    sub/foo.o: sub/foo.h
  #    sub/foo.c:
  #    sub/foo.h:
  # ICC 7.1 will output
  #    foo.o: sub/foo.c sub/foo.h
  # and will wrap long lines using \ :
  #    foo.o: sub/foo.c ... \
  #     sub/foo.h ... \
  #     ...

  "$@" -MD -MF "$tmpdepfile"
  stat=$?
  if test $stat -eq 0; then :
  else
    rm -f "$tmpdepfile"
    exit $stat
  fi
  rm -f "$depfile"
  # Each line is of the form `foo.o: dependent.h',
  # or `foo.o: dep1.h dep2.h \', or ` dep3.h dep4.h \'.
  # Do two passes, one to just change these to
  # `$object: dependent.h' and one to simply `dependent.h:'.
  sed "s,^[^:]*:,$object :," < "$tmpdepfile" > "$depfile"
  # Some versions of the HPUX 10.20 sed can't process this invocation
  # correctly.  Breaking it into two sed invocations is a workaround.
  sed 's,^[^:]*: \(.*\)$,\1,;s/^\\$//;/^$/d;/:$/d' < "$tmpdepfile" |
    sed -e 's/$/ :/' >> "$depfile"
  rm -f "$tmpdepfile"
  ;;

tru64)
   # The Tru64 compiler uses -MD to generate dependencies as a side
   # effect.  `cc -MD -o foo.o ...' puts the dependencies into `foo.o.d'.
   # At least on Alpha/Redhat 6.1, Compaq CCC V6.2-504 seems to put
   # dependencies in `foo.d' instead, so we check for that too.
   # Subdirectories are respected.
   dir=`echo "$object" | sed -e 's|/[^/]*$|/|'`
   test "x$dir" = "x$object" && dir=
   base=`echo "$object" | sed -e 's|^.*/||' -e 's/\.o$//' -e 's/\.lo$//'`

   if test "$libtool" = yes; then
      tmpdepfile1="$dir.libs/$base.lo.d"
      tmpdepfile2="$dir.libs/$base.d"
      "$@" -Wc,-MD
   else
      tmpdepfile1="$dir$base.o.d"
      tmpdepfile2="$dir$base.d"
      "$@" -MD
   fi

   stat=$?
   if test $stat -eq 0; then :
   else
      rm -f "$tmpdepfile1" "$tmpdepfile2"
      exit $stat
   fi

   if test -f "$tmpdepfile1"; then
      tmpdepfile="$tmpdepfile1"
   else
      tmpdepfile="$tmpdepfile2"
   fi
   if test -f "$tmpdepfile"; then
      sed -e "s,^.*\.[a-z]*:,$object:," < "$tmpdepfile" > "$depfile"
      # That's a tab and a space in the [].
      sed -e 's,^.*\.[a-z]*:[    ]*,,' -e 's,$,:,' < "$tmpdepfile" >> "$depfile"
   else
      echo "#dummy" > "$depfile"
   fi
   rm -f "$tmpdepfile"
   ;;

#nosideeffect)
  # This comment above is used by automake to tell side-effect
  # dependency tracking mechanisms from slower ones.

dashmstdout)
  # Important note: in order to support this mode, a compiler *must*
  # always write the preprocessed file to stdout, regardless of -o.
  "$@" || exit $?

  # Remove the call to Libtool.
  if test "$libtool" = yes; then
    while test $1 != '--mode=compile'; do
      shift
    done
    shift
  fi

  # Remove `-o $object'.
  IFS=" "
  for arg
  do
    case $arg in
    -o)
      shift
      ;;
    $object)
      shift
      ;;
    *)
      set fnord "$@" "$arg"
      shift # fnord
      shift # $arg
      ;;
    esac
  done

  test -z "$dashmflag" && dashmflag=-M
  # Require at least two characters before searching for `:'
  # in the target name.  This is to cope with DOS-style filenames:
  # a dependency such as `c:/foo/bar' could be seen as target `c' otherwise.
  "$@" $dashmflag |
    sed 's:^[  ]*[^: ][^:][^:]*\:[    ]*:'"$object"'\: :' > "$tmpdepfile"
  rm -f "$depfile"
  cat < "$tmpdepfile" > "$depfile"
  tr ' ' '
' < "$tmpdepfile" | \
## Some versions of the HPUX 10.20 sed can't process this invocation
## correctly.  Breaking it into two sed invocations is a workaround.
    sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
  rm -f "$tmpdepfile"
  ;;

dashXmstdout)
  # This case only exists to satisfy depend.m4.  It is never actually
  # run, as this mode is specially recognized in the preamble.
  exit 1
  ;;

makedepend)
  "$@" || exit $?
  # Remove any Libtool call
  if test "$libtool" = yes; then
    while test $1 != '--mode=compile'; do
      shift
    done
    shift
  fi
  # X makedepend
  shift
  cleared=no
  for arg in "$@"; do
    case $cleared in
    no)
      set ""; shift
      cleared=yes ;;
    esac
    case "$arg" in
    -D*|-I*)
      set fnord "$@" "$arg"; shift ;;
    # Strip any option that makedepend may not understand.  Remove
    # the object too, otherwise makedepend will parse it as a source file.
    -*|$object)
      ;;
    *)
      set fnord "$@" "$arg"; shift ;;
    esac
  done
  obj_suffix="`echo $object | sed 's/^.*\././'`"
  touch "$tmpdepfile"
  ${MAKEDEPEND-makedepend} -o"$obj_suffix" -f"$tmpdepfile" "$@"
  rm -f "$depfile"
  cat < "$tmpdepfile" > "$depfile"
  sed '1,2d' "$tmpdepfile" | tr ' ' '
' | \
## Some versions of the HPUX 10.20 sed can't process this invocation
## correctly.  Breaking it into two sed invocations is a workaround.
    sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
  rm -f "$tmpdepfile" "$tmpdepfile".bak
  ;;

cpp)
  # Important note: in order to support this mode, a compiler *must*
  # always write the preprocessed file to stdout.
  "$@" || exit $?

  # Remove the call to Libtool.
  if test "$libtool" = yes; then
    while test $1 != '--mode=compile'; do
      shift
    done
    shift
  fi

  # Remove `-o $object'.
  IFS=" "
  for arg
  do
    case $arg in
    -o)
      shift
      ;;
    $object)
      shift
      ;;
    *)
      set fnord "$@" "$arg"
      shift # fnord
      shift # $arg
      ;;
    esac
  done

  "$@" -E |
    sed -n '/^# [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' |
    sed '$ s: \\$::' > "$tmpdepfile"
  rm -f "$depfile"
  echo "$object : \\" > "$depfile"
  cat < "$tmpdepfile" >> "$depfile"
  sed < "$tmpdepfile" '/^$/d;s/^ //;s/ \\$//;s/$/ :/' >> "$depfile"
  rm -f "$tmpdepfile"
  ;;

msvisualcpp)
  # Important note: in order to support this mode, a compiler *must*
  # always write the preprocessed file to stdout, regardless of -o,
  # because we must use -o when running libtool.
  "$@" || exit $?
  IFS=" "
  for arg
  do
    case "$arg" in
    "-Gm"|"/Gm"|"-Gi"|"/Gi"|"-ZI"|"/ZI")
        set fnord "$@"
        shift
        shift
        ;;
    *)
        set fnord "$@" "$arg"
        shift
        shift
        ;;
    esac
  done
  "$@" -E |
  sed -n '/^#line [0-9][0-9]* "\([^"]*\)"/ s::echo "`cygpath -u \\"\1\\"`":p' | sort | uniq > "$tmpdepfile"
  rm -f "$depfile"
  echo "$object : \\" > "$depfile"
  . "$tmpdepfile" | sed 's% %\\ %g' | sed -n '/^\(.*\)$/ s::    \1 \\:p' >> "$depfile"
  echo "        " >> "$depfile"
  . "$tmpdepfile" | sed 's% %\\ %g' | sed -n '/^\(.*\)$/ s::\1\::p' >> "$depfile"
  rm -f "$tmpdepfile"
  ;;

none)
  exec "$@"
  ;;

*)
  echo "Unknown depmode $depmode" 1>&2
  exit 1
  ;;
esac

exit 0
Revision:	1.1
Committed:	Thu Nov 6 14:31:24 2008 UTC (15 years, 6 months ago) by root
Branch:	MAIN
CVS Tags:	HEAD
Log Message:	* empty log message *
#	User	Rev	Content
1	root	1.1	#! /bin/sh
2
3			# depcomp - compile a program generating dependencies as side-effects
4			# Copyright 1999, 2000, 2003 Free Software Foundation, Inc.
5
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
8			# 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
19			# 02111-1307, USA.
20
21			# As a special exception to the GNU General Public License, if you
22			# distribute this file as part of a program that contains a
23			# configuration script generated by Autoconf, you may include it under
24			# the same distribution terms that you use for the rest of that program.
25
26			# Originally written by Alexandre Oliva <oliva@dcc.unicamp.br>.
27
28			if test -z "$depmode" \|\| test -z "$source" \|\| test -z "$object"; then
29			echo "depcomp: Variables source, object and depmode must be set" 1>&2
30			exit 1
31			fi
32			# `libtool' can also be set to `yes' or `no'.
33
34			if test -z "$depfile"; then
35			base=`echo "$object" \| sed -e 's,^./,,' -e 's,\.\([^.]\)$,.P\1,'`
36			dir=`echo "$object" \| sed 's,/.*$,/,'`
37			if test "$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 "$tmpdepfile"
171			;;
172
173			aix)
174			# The C for AIX Compiler uses -M and outputs the dependencies
175			# in a .u file. In older versions, this file always lives in the
176			# current directory. Also, the AIX compiler puts `$object:' at the
177			# start of each line; $object doesn't have directory information.
178			# Version 6 uses the directory in both cases.
179			stripped=`echo "$object" \| sed 's/\(.\)\..$/\1/'`
180			tmpdepfile="$stripped.u"
181			if test "$libtool" = yes; then
182			"$@" -Wc,-M
183			else
184			"$@" -M
185			fi
186			stat=$?
187
188			if test -f "$tmpdepfile"; then :
189			else
190			stripped=`echo "$stripped" \| sed 's,^.*/,,'`
191			tmpdepfile="$stripped.u"
192			fi
193
194			if test $stat -eq 0; then :
195			else
196			rm -f "$tmpdepfile"
197			exit $stat
198			fi
199
200			if test -f "$tmpdepfile"; then
201			outname="$stripped.o"
202			# Each line is of the form `foo.o: dependent.h'.
203			# Do two passes, one to just change these to
204			# `$object: dependent.h' and one to simply `dependent.h:'.
205			sed -e "s,^$outname:,$object :," < "$tmpdepfile" > "$depfile"
206			sed -e "s,^$outname: \(.*\)$,\1:," < "$tmpdepfile" >> "$depfile"
207			else
208			# The sourcefile does not contain any dependencies, so just
209			# store a dummy comment line, to avoid errors with the Makefile
210			# "include basename.Plo" scheme.
211			echo "#dummy" > "$depfile"
212			fi
213			rm -f "$tmpdepfile"
214			;;
215
216			icc)
217			# Intel's C compiler understands `-MD -MF file'. However on
218			# icc -MD -MF foo.d -c -o sub/foo.o sub/foo.c
219			# ICC 7.0 will fill foo.d with something like
220			# foo.o: sub/foo.c
221			# foo.o: sub/foo.h
222			# which is wrong. We want:
223			# sub/foo.o: sub/foo.c
224			# sub/foo.o: sub/foo.h
225			# sub/foo.c:
226			# sub/foo.h:
227			# ICC 7.1 will output
228			# foo.o: sub/foo.c sub/foo.h
229			# and will wrap long lines using \ :
230			# foo.o: sub/foo.c ... \
231			# sub/foo.h ... \
232			# ...
233
234			"$@" -MD -MF "$tmpdepfile"
235			stat=$?
236			if test $stat -eq 0; then :
237			else
238			rm -f "$tmpdepfile"
239			exit $stat
240			fi
241			rm -f "$depfile"
242			# Each line is of the form `foo.o: dependent.h',
243			# or `foo.o: dep1.h dep2.h \', or ` dep3.h dep4.h \'.
244			# Do two passes, one to just change these to
245			# `$object: dependent.h' and one to simply `dependent.h:'.
246			sed "s,^[^:]*:,$object :," < "$tmpdepfile" > "$depfile"
247			# Some versions of the HPUX 10.20 sed can't process this invocation
248			# correctly. Breaking it into two sed invocations is a workaround.
249			sed 's,^[^:]: \(.\)$,\1,;s/^\\$//;/^$/d;/:$/d' < "$tmpdepfile" \|
250			sed -e 's/$/ :/' >> "$depfile"
251			rm -f "$tmpdepfile"
252			;;
253
254			tru64)
255			# The Tru64 compiler uses -MD to generate dependencies as a side
256			# effect. `cc -MD -o foo.o ...' puts the dependencies into `foo.o.d'.
257			# At least on Alpha/Redhat 6.1, Compaq CCC V6.2-504 seems to put
258			# dependencies in `foo.d' instead, so we check for that too.
259			# Subdirectories are respected.
260			dir=`echo "$object" \| sed -e 's\|/[^/]*$\|/\|'`
261			test "x$dir" = "x$object" && dir=
262			base=`echo "$object" \| sed -e 's\|^.*/\|\|' -e 's/\.o$//' -e 's/\.lo$//'`
263
264			if test "$libtool" = yes; then
265			tmpdepfile1="$dir.libs/$base.lo.d"
266			tmpdepfile2="$dir.libs/$base.d"
267			"$@" -Wc,-MD
268			else
269			tmpdepfile1="$dir$base.o.d"
270			tmpdepfile2="$dir$base.d"
271			"$@" -MD
272			fi
273
274			stat=$?
275			if test $stat -eq 0; then :
276			else
277			rm -f "$tmpdepfile1" "$tmpdepfile2"
278			exit $stat
279			fi
280
281			if test -f "$tmpdepfile1"; then
282			tmpdepfile="$tmpdepfile1"
283			else
284			tmpdepfile="$tmpdepfile2"
285			fi
286			if test -f "$tmpdepfile"; then
287			sed -e "s,^.\.[a-z]:,$object:," < "$tmpdepfile" > "$depfile"
288			# That's a tab and a space in the [].
289			sed -e 's,^.\.[a-z]:[ ]*,,' -e 's,$,:,' < "$tmpdepfile" >> "$depfile"
290			else
291			echo "#dummy" > "$depfile"
292			fi
293			rm -f "$tmpdepfile"
294			;;
295
296			#nosideeffect)
297			# This comment above is used by automake to tell side-effect
298			# dependency tracking mechanisms from slower ones.
299
300			dashmstdout)
301			# Important note: in order to support this mode, a compiler must
302			# always write the preprocessed file to stdout, regardless of -o.
303			"$@" \|\| exit $?
304
305			# Remove the call to Libtool.
306			if test "$libtool" = yes; then
307			while test $1 != '--mode=compile'; do
308			shift
309			done
310			shift
311			fi
312
313			# Remove `-o $object'.
314			IFS=" "
315			for arg
316			do
317			case $arg in
318			-o)
319			shift
320			;;
321			$object)
322			shift
323			;;
324			*)
325			set fnord "$@" "$arg"
326			shift # fnord
327			shift # $arg
328			;;
329			esac
330			done
331
332			test -z "$dashmflag" && dashmflag=-M
333			# Require at least two characters before searching for `:'
334			# in the target name. This is to cope with DOS-style filenames:
335			# a dependency such as `c:/foo/bar' could be seen as target `c' otherwise.
336			"$@" $dashmflag \|
337			sed 's:^[ ][^: ][^:][^:]\:[ ]*:'"$object"'\: :' > "$tmpdepfile"
338			rm -f "$depfile"
339			cat < "$tmpdepfile" > "$depfile"
340			tr ' ' '
341			' < "$tmpdepfile" \| \
342			## Some versions of the HPUX 10.20 sed can't process this invocation
343			## correctly. Breaking it into two sed invocations is a workaround.
344			sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' \| sed -e 's/$/ :/' >> "$depfile"
345			rm -f "$tmpdepfile"
346			;;
347
348			dashXmstdout)
349			# This case only exists to satisfy depend.m4. It is never actually
350			# run, as this mode is specially recognized in the preamble.
351			exit 1
352			;;
353
354			makedepend)
355			"$@" \|\| exit $?
356			# Remove any Libtool call
357			if test "$libtool" = yes; then
358			while test $1 != '--mode=compile'; do
359			shift
360			done
361			shift
362			fi
363			# X makedepend
364			shift
365			cleared=no
366			for arg in "$@"; do
367			case $cleared in
368			no)
369			set ""; shift
370			cleared=yes ;;
371			esac
372			case "$arg" in
373			-D\|-I)
374			set fnord "$@" "$arg"; shift ;;
375			# Strip any option that makedepend may not understand. Remove
376			# the object too, otherwise makedepend will parse it as a source file.
377			-*\|$object)
378			;;
379			*)
380			set fnord "$@" "$arg"; shift ;;
381			esac
382			done
383			obj_suffix="`echo $object \| sed 's/^.*\././'`"
384			touch "$tmpdepfile"
385			${MAKEDEPEND-makedepend} -o"$obj_suffix" -f"$tmpdepfile" "$@"
386			rm -f "$depfile"
387			cat < "$tmpdepfile" > "$depfile"
388			sed '1,2d' "$tmpdepfile" \| tr ' ' '
389			' \| \
390			## Some versions of the HPUX 10.20 sed can't process this invocation
391			## correctly. Breaking it into two sed invocations is a workaround.
392			sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' \| sed -e 's/$/ :/' >> "$depfile"
393			rm -f "$tmpdepfile" "$tmpdepfile".bak
394			;;
395
396			cpp)
397			# Important note: in order to support this mode, a compiler must
398			# always write the preprocessed file to stdout.
399			"$@" \|\| exit $?
400
401			# Remove the call to Libtool.
402			if test "$libtool" = yes; then
403			while test $1 != '--mode=compile'; do
404			shift
405			done
406			shift
407			fi
408
409			# Remove `-o $object'.
410			IFS=" "
411			for arg
412			do
413			case $arg in
414			-o)
415			shift
416			;;
417			$object)
418			shift
419			;;
420			*)
421			set fnord "$@" "$arg"
422			shift # fnord
423			shift # $arg
424			;;
425			esac
426			done
427
428			"$@" -E \|
429			sed -n '/^# [0-9][0-9]* "\([^"]\)"./ s:: \1 \\:p' \|
430			sed '$ s: \\$::' > "$tmpdepfile"
431			rm -f "$depfile"
432			echo "$object : \\" > "$depfile"
433			cat < "$tmpdepfile" >> "$depfile"
434			sed < "$tmpdepfile" '/^$/d;s/^ //;s/ \\$//;s/$/ :/' >> "$depfile"
435			rm -f "$tmpdepfile"
436			;;
437
438			msvisualcpp)
439			# Important note: in order to support this mode, a compiler must
440			# always write the preprocessed file to stdout, regardless of -o,
441			# because we must use -o when running libtool.
442			"$@" \|\| exit $?
443			IFS=" "
444			for arg
445			do
446			case "$arg" in
447			"-Gm"\|"/Gm"\|"-Gi"\|"/Gi"\|"-ZI"\|"/ZI")
448			set fnord "$@"
449			shift
450			shift
451			;;
452			*)
453			set fnord "$@" "$arg"
454			shift
455			shift
456			;;
457			esac
458			done
459			"$@" -E \|
460			sed -n '/^#line [0-9][0-9]* "\([^"]*\)"/ s::echo "`cygpath -u \\"\1\\"`":p' \| sort \| uniq > "$tmpdepfile"
461			rm -f "$depfile"
462			echo "$object : \\" > "$depfile"
463			. "$tmpdepfile" \| sed 's% %\\ %g' \| sed -n '/^\(.*\)$/ s:: \1 \\:p' >> "$depfile"
464			echo " " >> "$depfile"
465			. "$tmpdepfile" \| sed 's% %\\ %g' \| sed -n '/^\(.*\)$/ s::\1\::p' >> "$depfile"
466			rm -f "$tmpdepfile"
467			;;
468
469			none)
470			exec "$@"
471			;;
472
473			*)
474			echo "Unknown depmode $depmode" 1>&2
475			exit 1
476			;;
477			esac
478
479			exit 0