Chris@4: #! /bin/sh
Chris@4: # depcomp - compile a program generating dependencies as side-effects
Chris@4: 
Chris@4: scriptversion=2009-04-28.21; # UTC
Chris@4: 
Chris@4: # Copyright (C) 1999, 2000, 2003, 2004, 2005, 2006, 2007, 2009 Free
Chris@4: # Software Foundation, Inc.
Chris@4: 
Chris@4: # This program is free software; you can redistribute it and/or modify
Chris@4: # it under the terms of the GNU General Public License as published by
Chris@4: # the Free Software Foundation; either version 2, or (at your option)
Chris@4: # any later version.
Chris@4: 
Chris@4: # This program is distributed in the hope that it will be useful,
Chris@4: # but WITHOUT ANY WARRANTY; without even the implied warranty of
Chris@4: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
Chris@4: # GNU General Public License for more details.
Chris@4: 
Chris@4: # You should have received a copy of the GNU General Public License
Chris@4: # along with this program.  If not, see <http://www.gnu.org/licenses/>.
Chris@4: 
Chris@4: # As a special exception to the GNU General Public License, if you
Chris@4: # distribute this file as part of a program that contains a
Chris@4: # configuration script generated by Autoconf, you may include it under
Chris@4: # the same distribution terms that you use for the rest of that program.
Chris@4: 
Chris@4: # Originally written by Alexandre Oliva <oliva@dcc.unicamp.br>.
Chris@4: 
Chris@4: case $1 in
Chris@4:   '')
Chris@4:      echo "$0: No command.  Try \`$0 --help' for more information." 1>&2
Chris@4:      exit 1;
Chris@4:      ;;
Chris@4:   -h | --h*)
Chris@4:     cat <<\EOF
Chris@4: Usage: depcomp [--help] [--version] PROGRAM [ARGS]
Chris@4: 
Chris@4: Run PROGRAMS ARGS to compile a file, generating dependencies
Chris@4: as side-effects.
Chris@4: 
Chris@4: Environment variables:
Chris@4:   depmode     Dependency tracking mode.
Chris@4:   source      Source file read by `PROGRAMS ARGS'.
Chris@4:   object      Object file output by `PROGRAMS ARGS'.
Chris@4:   DEPDIR      directory where to store dependencies.
Chris@4:   depfile     Dependency file to output.
Chris@4:   tmpdepfile  Temporary file to use when outputing dependencies.
Chris@4:   libtool     Whether libtool is used (yes/no).
Chris@4: 
Chris@4: Report bugs to <bug-automake@gnu.org>.
Chris@4: EOF
Chris@4:     exit $?
Chris@4:     ;;
Chris@4:   -v | --v*)
Chris@4:     echo "depcomp $scriptversion"
Chris@4:     exit $?
Chris@4:     ;;
Chris@4: esac
Chris@4: 
Chris@4: if test -z "$depmode" || test -z "$source" || test -z "$object"; then
Chris@4:   echo "depcomp: Variables source, object and depmode must be set" 1>&2
Chris@4:   exit 1
Chris@4: fi
Chris@4: 
Chris@4: # Dependencies for sub/bar.o or sub/bar.obj go into sub/.deps/bar.Po.
Chris@4: depfile=${depfile-`echo "$object" |
Chris@4:   sed 's|[^\\/]*$|'${DEPDIR-.deps}'/&|;s|\.\([^.]*\)$|.P\1|;s|Pobj$|Po|'`}
Chris@4: tmpdepfile=${tmpdepfile-`echo "$depfile" | sed 's/\.\([^.]*\)$/.T\1/'`}
Chris@4: 
Chris@4: rm -f "$tmpdepfile"
Chris@4: 
Chris@4: # Some modes work just like other modes, but use different flags.  We
Chris@4: # parameterize here, but still list the modes in the big case below,
Chris@4: # to make depend.m4 easier to write.  Note that we *cannot* use a case
Chris@4: # here, because this file can only contain one case statement.
Chris@4: if test "$depmode" = hp; then
Chris@4:   # HP compiler uses -M and no extra arg.
Chris@4:   gccflag=-M
Chris@4:   depmode=gcc
Chris@4: fi
Chris@4: 
Chris@4: if test "$depmode" = dashXmstdout; then
Chris@4:    # This is just like dashmstdout with a different argument.
Chris@4:    dashmflag=-xM
Chris@4:    depmode=dashmstdout
Chris@4: fi
Chris@4: 
Chris@4: cygpath_u="cygpath -u -f -"
Chris@4: if test "$depmode" = msvcmsys; then
Chris@4:    # This is just like msvisualcpp but w/o cygpath translation.
Chris@4:    # Just convert the backslash-escaped backslashes to single forward
Chris@4:    # slashes to satisfy depend.m4
Chris@4:    cygpath_u="sed s,\\\\\\\\,/,g"
Chris@4:    depmode=msvisualcpp
Chris@4: fi
Chris@4: 
Chris@4: case "$depmode" in
Chris@4: gcc3)
Chris@4: ## gcc 3 implements dependency tracking that does exactly what
Chris@4: ## we want.  Yay!  Note: for some reason libtool 1.4 doesn't like
Chris@4: ## it if -MD -MP comes after the -MF stuff.  Hmm.
Chris@4: ## Unfortunately, FreeBSD c89 acceptance of flags depends upon
Chris@4: ## the command line argument order; so add the flags where they
Chris@4: ## appear in depend2.am.  Note that the slowdown incurred here
Chris@4: ## affects only configure: in makefiles, %FASTDEP% shortcuts this.
Chris@4:   for arg
Chris@4:   do
Chris@4:     case $arg in
Chris@4:     -c) set fnord "$@" -MT "$object" -MD -MP -MF "$tmpdepfile" "$arg" ;;
Chris@4:     *)  set fnord "$@" "$arg" ;;
Chris@4:     esac
Chris@4:     shift # fnord
Chris@4:     shift # $arg
Chris@4:   done
Chris@4:   "$@"
Chris@4:   stat=$?
Chris@4:   if test $stat -eq 0; then :
Chris@4:   else
Chris@4:     rm -f "$tmpdepfile"
Chris@4:     exit $stat
Chris@4:   fi
Chris@4:   mv "$tmpdepfile" "$depfile"
Chris@4:   ;;
Chris@4: 
Chris@4: gcc)
Chris@4: ## There are various ways to get dependency output from gcc.  Here's
Chris@4: ## why we pick this rather obscure method:
Chris@4: ## - Don't want to use -MD because we'd like the dependencies to end
Chris@4: ##   up in a subdir.  Having to rename by hand is ugly.
Chris@4: ##   (We might end up doing this anyway to support other compilers.)
Chris@4: ## - The DEPENDENCIES_OUTPUT environment variable makes gcc act like
Chris@4: ##   -MM, not -M (despite what the docs say).
Chris@4: ## - Using -M directly means running the compiler twice (even worse
Chris@4: ##   than renaming).
Chris@4:   if test -z "$gccflag"; then
Chris@4:     gccflag=-MD,
Chris@4:   fi
Chris@4:   "$@" -Wp,"$gccflag$tmpdepfile"
Chris@4:   stat=$?
Chris@4:   if test $stat -eq 0; then :
Chris@4:   else
Chris@4:     rm -f "$tmpdepfile"
Chris@4:     exit $stat
Chris@4:   fi
Chris@4:   rm -f "$depfile"
Chris@4:   echo "$object : \\" > "$depfile"
Chris@4:   alpha=ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz
Chris@4: ## The second -e expression handles DOS-style file names with drive letters.
Chris@4:   sed -e 's/^[^:]*: / /' \
Chris@4:       -e 's/^['$alpha']:\/[^:]*: / /' < "$tmpdepfile" >> "$depfile"
Chris@4: ## This next piece of magic avoids the `deleted header file' problem.
Chris@4: ## The problem is that when a header file which appears in a .P file
Chris@4: ## is deleted, the dependency causes make to die (because there is
Chris@4: ## typically no way to rebuild the header).  We avoid this by adding
Chris@4: ## dummy dependencies for each header file.  Too bad gcc doesn't do
Chris@4: ## this for us directly.
Chris@4:   tr ' ' '
Chris@4: ' < "$tmpdepfile" |
Chris@4: ## Some versions of gcc put a space before the `:'.  On the theory
Chris@4: ## that the space means something, we add a space to the output as
Chris@4: ## well.
Chris@4: ## Some versions of the HPUX 10.20 sed can't process this invocation
Chris@4: ## correctly.  Breaking it into two sed invocations is a workaround.
Chris@4:     sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
Chris@4:   rm -f "$tmpdepfile"
Chris@4:   ;;
Chris@4: 
Chris@4: hp)
Chris@4:   # This case exists only to let depend.m4 do its work.  It works by
Chris@4:   # looking at the text of this script.  This case will never be run,
Chris@4:   # since it is checked for above.
Chris@4:   exit 1
Chris@4:   ;;
Chris@4: 
Chris@4: sgi)
Chris@4:   if test "$libtool" = yes; then
Chris@4:     "$@" "-Wp,-MDupdate,$tmpdepfile"
Chris@4:   else
Chris@4:     "$@" -MDupdate "$tmpdepfile"
Chris@4:   fi
Chris@4:   stat=$?
Chris@4:   if test $stat -eq 0; then :
Chris@4:   else
Chris@4:     rm -f "$tmpdepfile"
Chris@4:     exit $stat
Chris@4:   fi
Chris@4:   rm -f "$depfile"
Chris@4: 
Chris@4:   if test -f "$tmpdepfile"; then  # yes, the sourcefile depend on other files
Chris@4:     echo "$object : \\" > "$depfile"
Chris@4: 
Chris@4:     # Clip off the initial element (the dependent).  Don't try to be
Chris@4:     # clever and replace this with sed code, as IRIX sed won't handle
Chris@4:     # lines with more than a fixed number of characters (4096 in
Chris@4:     # IRIX 6.2 sed, 8192 in IRIX 6.5).  We also remove comment lines;
Chris@4:     # the IRIX cc adds comments like `#:fec' to the end of the
Chris@4:     # dependency line.
Chris@4:     tr ' ' '
Chris@4: ' < "$tmpdepfile" \
Chris@4:     | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' | \
Chris@4:     tr '
Chris@4: ' ' ' >> "$depfile"
Chris@4:     echo >> "$depfile"
Chris@4: 
Chris@4:     # The second pass generates a dummy entry for each header file.
Chris@4:     tr ' ' '
Chris@4: ' < "$tmpdepfile" \
Chris@4:    | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' -e 's/$/:/' \
Chris@4:    >> "$depfile"
Chris@4:   else
Chris@4:     # The sourcefile does not contain any dependencies, so just
Chris@4:     # store a dummy comment line, to avoid errors with the Makefile
Chris@4:     # "include basename.Plo" scheme.
Chris@4:     echo "#dummy" > "$depfile"
Chris@4:   fi
Chris@4:   rm -f "$tmpdepfile"
Chris@4:   ;;
Chris@4: 
Chris@4: aix)
Chris@4:   # The C for AIX Compiler uses -M and outputs the dependencies
Chris@4:   # in a .u file.  In older versions, this file always lives in the
Chris@4:   # current directory.  Also, the AIX compiler puts `$object:' at the
Chris@4:   # start of each line; $object doesn't have directory information.
Chris@4:   # Version 6 uses the directory in both cases.
Chris@4:   dir=`echo "$object" | sed -e 's|/[^/]*$|/|'`
Chris@4:   test "x$dir" = "x$object" && dir=
Chris@4:   base=`echo "$object" | sed -e 's|^.*/||' -e 's/\.o$//' -e 's/\.lo$//'`
Chris@4:   if test "$libtool" = yes; then
Chris@4:     tmpdepfile1=$dir$base.u
Chris@4:     tmpdepfile2=$base.u
Chris@4:     tmpdepfile3=$dir.libs/$base.u
Chris@4:     "$@" -Wc,-M
Chris@4:   else
Chris@4:     tmpdepfile1=$dir$base.u
Chris@4:     tmpdepfile2=$dir$base.u
Chris@4:     tmpdepfile3=$dir$base.u
Chris@4:     "$@" -M
Chris@4:   fi
Chris@4:   stat=$?
Chris@4: 
Chris@4:   if test $stat -eq 0; then :
Chris@4:   else
Chris@4:     rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
Chris@4:     exit $stat
Chris@4:   fi
Chris@4: 
Chris@4:   for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
Chris@4:   do
Chris@4:     test -f "$tmpdepfile" && break
Chris@4:   done
Chris@4:   if test -f "$tmpdepfile"; then
Chris@4:     # Each line is of the form `foo.o: dependent.h'.
Chris@4:     # Do two passes, one to just change these to
Chris@4:     # `$object: dependent.h' and one to simply `dependent.h:'.
Chris@4:     sed -e "s,^.*\.[a-z]*:,$object:," < "$tmpdepfile" > "$depfile"
Chris@4:     # That's a tab and a space in the [].
Chris@4:     sed -e 's,^.*\.[a-z]*:[	 ]*,,' -e 's,$,:,' < "$tmpdepfile" >> "$depfile"
Chris@4:   else
Chris@4:     # The sourcefile does not contain any dependencies, so just
Chris@4:     # store a dummy comment line, to avoid errors with the Makefile
Chris@4:     # "include basename.Plo" scheme.
Chris@4:     echo "#dummy" > "$depfile"
Chris@4:   fi
Chris@4:   rm -f "$tmpdepfile"
Chris@4:   ;;
Chris@4: 
Chris@4: icc)
Chris@4:   # Intel's C compiler understands `-MD -MF file'.  However on
Chris@4:   #    icc -MD -MF foo.d -c -o sub/foo.o sub/foo.c
Chris@4:   # ICC 7.0 will fill foo.d with something like
Chris@4:   #    foo.o: sub/foo.c
Chris@4:   #    foo.o: sub/foo.h
Chris@4:   # which is wrong.  We want:
Chris@4:   #    sub/foo.o: sub/foo.c
Chris@4:   #    sub/foo.o: sub/foo.h
Chris@4:   #    sub/foo.c:
Chris@4:   #    sub/foo.h:
Chris@4:   # ICC 7.1 will output
Chris@4:   #    foo.o: sub/foo.c sub/foo.h
Chris@4:   # and will wrap long lines using \ :
Chris@4:   #    foo.o: sub/foo.c ... \
Chris@4:   #     sub/foo.h ... \
Chris@4:   #     ...
Chris@4: 
Chris@4:   "$@" -MD -MF "$tmpdepfile"
Chris@4:   stat=$?
Chris@4:   if test $stat -eq 0; then :
Chris@4:   else
Chris@4:     rm -f "$tmpdepfile"
Chris@4:     exit $stat
Chris@4:   fi
Chris@4:   rm -f "$depfile"
Chris@4:   # Each line is of the form `foo.o: dependent.h',
Chris@4:   # or `foo.o: dep1.h dep2.h \', or ` dep3.h dep4.h \'.
Chris@4:   # Do two passes, one to just change these to
Chris@4:   # `$object: dependent.h' and one to simply `dependent.h:'.
Chris@4:   sed "s,^[^:]*:,$object :," < "$tmpdepfile" > "$depfile"
Chris@4:   # Some versions of the HPUX 10.20 sed can't process this invocation
Chris@4:   # correctly.  Breaking it into two sed invocations is a workaround.
Chris@4:   sed 's,^[^:]*: \(.*\)$,\1,;s/^\\$//;/^$/d;/:$/d' < "$tmpdepfile" |
Chris@4:     sed -e 's/$/ :/' >> "$depfile"
Chris@4:   rm -f "$tmpdepfile"
Chris@4:   ;;
Chris@4: 
Chris@4: hp2)
Chris@4:   # The "hp" stanza above does not work with aCC (C++) and HP's ia64
Chris@4:   # compilers, which have integrated preprocessors.  The correct option
Chris@4:   # to use with these is +Maked; it writes dependencies to a file named
Chris@4:   # 'foo.d', which lands next to the object file, wherever that
Chris@4:   # happens to be.
Chris@4:   # Much of this is similar to the tru64 case; see comments there.
Chris@4:   dir=`echo "$object" | sed -e 's|/[^/]*$|/|'`
Chris@4:   test "x$dir" = "x$object" && dir=
Chris@4:   base=`echo "$object" | sed -e 's|^.*/||' -e 's/\.o$//' -e 's/\.lo$//'`
Chris@4:   if test "$libtool" = yes; then
Chris@4:     tmpdepfile1=$dir$base.d
Chris@4:     tmpdepfile2=$dir.libs/$base.d
Chris@4:     "$@" -Wc,+Maked
Chris@4:   else
Chris@4:     tmpdepfile1=$dir$base.d
Chris@4:     tmpdepfile2=$dir$base.d
Chris@4:     "$@" +Maked
Chris@4:   fi
Chris@4:   stat=$?
Chris@4:   if test $stat -eq 0; then :
Chris@4:   else
Chris@4:      rm -f "$tmpdepfile1" "$tmpdepfile2"
Chris@4:      exit $stat
Chris@4:   fi
Chris@4: 
Chris@4:   for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2"
Chris@4:   do
Chris@4:     test -f "$tmpdepfile" && break
Chris@4:   done
Chris@4:   if test -f "$tmpdepfile"; then
Chris@4:     sed -e "s,^.*\.[a-z]*:,$object:," "$tmpdepfile" > "$depfile"
Chris@4:     # Add `dependent.h:' lines.
Chris@4:     sed -ne '2,${
Chris@4: 	       s/^ *//
Chris@4: 	       s/ \\*$//
Chris@4: 	       s/$/:/
Chris@4: 	       p
Chris@4: 	     }' "$tmpdepfile" >> "$depfile"
Chris@4:   else
Chris@4:     echo "#dummy" > "$depfile"
Chris@4:   fi
Chris@4:   rm -f "$tmpdepfile" "$tmpdepfile2"
Chris@4:   ;;
Chris@4: 
Chris@4: tru64)
Chris@4:    # The Tru64 compiler uses -MD to generate dependencies as a side
Chris@4:    # effect.  `cc -MD -o foo.o ...' puts the dependencies into `foo.o.d'.
Chris@4:    # At least on Alpha/Redhat 6.1, Compaq CCC V6.2-504 seems to put
Chris@4:    # dependencies in `foo.d' instead, so we check for that too.
Chris@4:    # Subdirectories are respected.
Chris@4:    dir=`echo "$object" | sed -e 's|/[^/]*$|/|'`
Chris@4:    test "x$dir" = "x$object" && dir=
Chris@4:    base=`echo "$object" | sed -e 's|^.*/||' -e 's/\.o$//' -e 's/\.lo$//'`
Chris@4: 
Chris@4:    if test "$libtool" = yes; then
Chris@4:       # With Tru64 cc, shared objects can also be used to make a
Chris@4:       # static library.  This mechanism is used in libtool 1.4 series to
Chris@4:       # handle both shared and static libraries in a single compilation.
Chris@4:       # With libtool 1.4, dependencies were output in $dir.libs/$base.lo.d.
Chris@4:       #
Chris@4:       # With libtool 1.5 this exception was removed, and libtool now
Chris@4:       # generates 2 separate objects for the 2 libraries.  These two
Chris@4:       # compilations output dependencies in $dir.libs/$base.o.d and
Chris@4:       # in $dir$base.o.d.  We have to check for both files, because
Chris@4:       # one of the two compilations can be disabled.  We should prefer
Chris@4:       # $dir$base.o.d over $dir.libs/$base.o.d because the latter is
Chris@4:       # automatically cleaned when .libs/ is deleted, while ignoring
Chris@4:       # the former would cause a distcleancheck panic.
Chris@4:       tmpdepfile1=$dir.libs/$base.lo.d   # libtool 1.4
Chris@4:       tmpdepfile2=$dir$base.o.d          # libtool 1.5
Chris@4:       tmpdepfile3=$dir.libs/$base.o.d    # libtool 1.5
Chris@4:       tmpdepfile4=$dir.libs/$base.d      # Compaq CCC V6.2-504
Chris@4:       "$@" -Wc,-MD
Chris@4:    else
Chris@4:       tmpdepfile1=$dir$base.o.d
Chris@4:       tmpdepfile2=$dir$base.d
Chris@4:       tmpdepfile3=$dir$base.d
Chris@4:       tmpdepfile4=$dir$base.d
Chris@4:       "$@" -MD
Chris@4:    fi
Chris@4: 
Chris@4:    stat=$?
Chris@4:    if test $stat -eq 0; then :
Chris@4:    else
Chris@4:       rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" "$tmpdepfile4"
Chris@4:       exit $stat
Chris@4:    fi
Chris@4: 
Chris@4:    for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" "$tmpdepfile4"
Chris@4:    do
Chris@4:      test -f "$tmpdepfile" && break
Chris@4:    done
Chris@4:    if test -f "$tmpdepfile"; then
Chris@4:       sed -e "s,^.*\.[a-z]*:,$object:," < "$tmpdepfile" > "$depfile"
Chris@4:       # That's a tab and a space in the [].
Chris@4:       sed -e 's,^.*\.[a-z]*:[	 ]*,,' -e 's,$,:,' < "$tmpdepfile" >> "$depfile"
Chris@4:    else
Chris@4:       echo "#dummy" > "$depfile"
Chris@4:    fi
Chris@4:    rm -f "$tmpdepfile"
Chris@4:    ;;
Chris@4: 
Chris@4: #nosideeffect)
Chris@4:   # This comment above is used by automake to tell side-effect
Chris@4:   # dependency tracking mechanisms from slower ones.
Chris@4: 
Chris@4: dashmstdout)
Chris@4:   # Important note: in order to support this mode, a compiler *must*
Chris@4:   # always write the preprocessed file to stdout, regardless of -o.
Chris@4:   "$@" || exit $?
Chris@4: 
Chris@4:   # Remove the call to Libtool.
Chris@4:   if test "$libtool" = yes; then
Chris@4:     while test "X$1" != 'X--mode=compile'; do
Chris@4:       shift
Chris@4:     done
Chris@4:     shift
Chris@4:   fi
Chris@4: 
Chris@4:   # Remove `-o $object'.
Chris@4:   IFS=" "
Chris@4:   for arg
Chris@4:   do
Chris@4:     case $arg in
Chris@4:     -o)
Chris@4:       shift
Chris@4:       ;;
Chris@4:     $object)
Chris@4:       shift
Chris@4:       ;;
Chris@4:     *)
Chris@4:       set fnord "$@" "$arg"
Chris@4:       shift # fnord
Chris@4:       shift # $arg
Chris@4:       ;;
Chris@4:     esac
Chris@4:   done
Chris@4: 
Chris@4:   test -z "$dashmflag" && dashmflag=-M
Chris@4:   # Require at least two characters before searching for `:'
Chris@4:   # in the target name.  This is to cope with DOS-style filenames:
Chris@4:   # a dependency such as `c:/foo/bar' could be seen as target `c' otherwise.
Chris@4:   "$@" $dashmflag |
Chris@4:     sed 's:^[  ]*[^: ][^:][^:]*\:[    ]*:'"$object"'\: :' > "$tmpdepfile"
Chris@4:   rm -f "$depfile"
Chris@4:   cat < "$tmpdepfile" > "$depfile"
Chris@4:   tr ' ' '
Chris@4: ' < "$tmpdepfile" | \
Chris@4: ## Some versions of the HPUX 10.20 sed can't process this invocation
Chris@4: ## correctly.  Breaking it into two sed invocations is a workaround.
Chris@4:     sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
Chris@4:   rm -f "$tmpdepfile"
Chris@4:   ;;
Chris@4: 
Chris@4: dashXmstdout)
Chris@4:   # This case only exists to satisfy depend.m4.  It is never actually
Chris@4:   # run, as this mode is specially recognized in the preamble.
Chris@4:   exit 1
Chris@4:   ;;
Chris@4: 
Chris@4: makedepend)
Chris@4:   "$@" || exit $?
Chris@4:   # Remove any Libtool call
Chris@4:   if test "$libtool" = yes; then
Chris@4:     while test "X$1" != 'X--mode=compile'; do
Chris@4:       shift
Chris@4:     done
Chris@4:     shift
Chris@4:   fi
Chris@4:   # X makedepend
Chris@4:   shift
Chris@4:   cleared=no eat=no
Chris@4:   for arg
Chris@4:   do
Chris@4:     case $cleared in
Chris@4:     no)
Chris@4:       set ""; shift
Chris@4:       cleared=yes ;;
Chris@4:     esac
Chris@4:     if test $eat = yes; then
Chris@4:       eat=no
Chris@4:       continue
Chris@4:     fi
Chris@4:     case "$arg" in
Chris@4:     -D*|-I*)
Chris@4:       set fnord "$@" "$arg"; shift ;;
Chris@4:     # Strip any option that makedepend may not understand.  Remove
Chris@4:     # the object too, otherwise makedepend will parse it as a source file.
Chris@4:     -arch)
Chris@4:       eat=yes ;;
Chris@4:     -*|$object)
Chris@4:       ;;
Chris@4:     *)
Chris@4:       set fnord "$@" "$arg"; shift ;;
Chris@4:     esac
Chris@4:   done
Chris@4:   obj_suffix=`echo "$object" | sed 's/^.*\././'`
Chris@4:   touch "$tmpdepfile"
Chris@4:   ${MAKEDEPEND-makedepend} -o"$obj_suffix" -f"$tmpdepfile" "$@"
Chris@4:   rm -f "$depfile"
Chris@4:   cat < "$tmpdepfile" > "$depfile"
Chris@4:   sed '1,2d' "$tmpdepfile" | tr ' ' '
Chris@4: ' | \
Chris@4: ## Some versions of the HPUX 10.20 sed can't process this invocation
Chris@4: ## correctly.  Breaking it into two sed invocations is a workaround.
Chris@4:     sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
Chris@4:   rm -f "$tmpdepfile" "$tmpdepfile".bak
Chris@4:   ;;
Chris@4: 
Chris@4: cpp)
Chris@4:   # Important note: in order to support this mode, a compiler *must*
Chris@4:   # always write the preprocessed file to stdout.
Chris@4:   "$@" || exit $?
Chris@4: 
Chris@4:   # Remove the call to Libtool.
Chris@4:   if test "$libtool" = yes; then
Chris@4:     while test "X$1" != 'X--mode=compile'; do
Chris@4:       shift
Chris@4:     done
Chris@4:     shift
Chris@4:   fi
Chris@4: 
Chris@4:   # Remove `-o $object'.
Chris@4:   IFS=" "
Chris@4:   for arg
Chris@4:   do
Chris@4:     case $arg in
Chris@4:     -o)
Chris@4:       shift
Chris@4:       ;;
Chris@4:     $object)
Chris@4:       shift
Chris@4:       ;;
Chris@4:     *)
Chris@4:       set fnord "$@" "$arg"
Chris@4:       shift # fnord
Chris@4:       shift # $arg
Chris@4:       ;;
Chris@4:     esac
Chris@4:   done
Chris@4: 
Chris@4:   "$@" -E |
Chris@4:     sed -n -e '/^# [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' \
Chris@4:        -e '/^#line [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' |
Chris@4:     sed '$ s: \\$::' > "$tmpdepfile"
Chris@4:   rm -f "$depfile"
Chris@4:   echo "$object : \\" > "$depfile"
Chris@4:   cat < "$tmpdepfile" >> "$depfile"
Chris@4:   sed < "$tmpdepfile" '/^$/d;s/^ //;s/ \\$//;s/$/ :/' >> "$depfile"
Chris@4:   rm -f "$tmpdepfile"
Chris@4:   ;;
Chris@4: 
Chris@4: msvisualcpp)
Chris@4:   # Important note: in order to support this mode, a compiler *must*
Chris@4:   # always write the preprocessed file to stdout.
Chris@4:   "$@" || exit $?
Chris@4: 
Chris@4:   # Remove the call to Libtool.
Chris@4:   if test "$libtool" = yes; then
Chris@4:     while test "X$1" != 'X--mode=compile'; do
Chris@4:       shift
Chris@4:     done
Chris@4:     shift
Chris@4:   fi
Chris@4: 
Chris@4:   IFS=" "
Chris@4:   for arg
Chris@4:   do
Chris@4:     case "$arg" in
Chris@4:     -o)
Chris@4:       shift
Chris@4:       ;;
Chris@4:     $object)
Chris@4:       shift
Chris@4:       ;;
Chris@4:     "-Gm"|"/Gm"|"-Gi"|"/Gi"|"-ZI"|"/ZI")
Chris@4: 	set fnord "$@"
Chris@4: 	shift
Chris@4: 	shift
Chris@4: 	;;
Chris@4:     *)
Chris@4: 	set fnord "$@" "$arg"
Chris@4: 	shift
Chris@4: 	shift
Chris@4: 	;;
Chris@4:     esac
Chris@4:   done
Chris@4:   "$@" -E 2>/dev/null |
Chris@4:   sed -n '/^#line [0-9][0-9]* "\([^"]*\)"/ s::\1:p' | $cygpath_u | sort -u > "$tmpdepfile"
Chris@4:   rm -f "$depfile"
Chris@4:   echo "$object : \\" > "$depfile"
Chris@4:   sed < "$tmpdepfile" -n -e 's% %\\ %g' -e '/^\(.*\)$/ s::	\1 \\:p' >> "$depfile"
Chris@4:   echo "	" >> "$depfile"
Chris@4:   sed < "$tmpdepfile" -n -e 's% %\\ %g' -e '/^\(.*\)$/ s::\1\::p' >> "$depfile"
Chris@4:   rm -f "$tmpdepfile"
Chris@4:   ;;
Chris@4: 
Chris@4: msvcmsys)
Chris@4:   # This case exists only to let depend.m4 do its work.  It works by
Chris@4:   # looking at the text of this script.  This case will never be run,
Chris@4:   # since it is checked for above.
Chris@4:   exit 1
Chris@4:   ;;
Chris@4: 
Chris@4: none)
Chris@4:   exec "$@"
Chris@4:   ;;
Chris@4: 
Chris@4: *)
Chris@4:   echo "Unknown depmode $depmode" 1>&2
Chris@4:   exit 1
Chris@4:   ;;
Chris@4: esac
Chris@4: 
Chris@4: exit 0
Chris@4: 
Chris@4: # Local Variables:
Chris@4: # mode: shell-script
Chris@4: # sh-indentation: 2
Chris@4: # eval: (add-hook 'write-file-hooks 'time-stamp)
Chris@4: # time-stamp-start: "scriptversion="
Chris@4: # time-stamp-format: "%:y-%02m-%02d.%02H"
Chris@4: # time-stamp-time-zone: "UTC"
Chris@4: # time-stamp-end: "; # UTC"
Chris@4: # End: