michael@0: #! /bin/sh
michael@0: # depcomp - compile a program generating dependencies as side-effects
michael@0: 
michael@0: scriptversion=2006-10-15.18
michael@0: 
michael@0: # Copyright (C) 1999, 2000, 2003, 2004, 2005, 2006 Free Software
michael@0: # Foundation, Inc.
michael@0: 
michael@0: # This program is free software; you can redistribute it and/or modify
michael@0: # it under the terms of the GNU General Public License as published by
michael@0: # the Free Software Foundation; either version 2, or (at your option)
michael@0: # any later version.
michael@0: 
michael@0: # This program is distributed in the hope that it will be useful,
michael@0: # but WITHOUT ANY WARRANTY; without even the implied warranty of
michael@0: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
michael@0: # GNU General Public License for more details.
michael@0: 
michael@0: # You should have received a copy of the GNU General Public License
michael@0: # along with this program; if not, write to the Free Software
michael@0: # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
michael@0: # 02110-1301, USA.
michael@0: 
michael@0: # As a special exception to the GNU General Public License, if you
michael@0: # distribute this file as part of a program that contains a
michael@0: # configuration script generated by Autoconf, you may include it under
michael@0: # the same distribution terms that you use for the rest of that program.
michael@0: 
michael@0: # Originally written by Alexandre Oliva <oliva@dcc.unicamp.br>.
michael@0: 
michael@0: case $1 in
michael@0:   '')
michael@0:      echo "$0: No command.  Try \`$0 --help' for more information." 1>&2
michael@0:      exit 1;
michael@0:      ;;
michael@0:   -h | --h*)
michael@0:     cat <<\EOF
michael@0: Usage: depcomp [--help] [--version] PROGRAM [ARGS]
michael@0: 
michael@0: Run PROGRAMS ARGS to compile a file, generating dependencies
michael@0: as side-effects.
michael@0: 
michael@0: Environment variables:
michael@0:   depmode     Dependency tracking mode.
michael@0:   source      Source file read by `PROGRAMS ARGS'.
michael@0:   object      Object file output by `PROGRAMS ARGS'.
michael@0:   DEPDIR      directory where to store dependencies.
michael@0:   depfile     Dependency file to output.
michael@0:   tmpdepfile  Temporary file to use when outputing dependencies.
michael@0:   libtool     Whether libtool is used (yes/no).
michael@0: 
michael@0: Report bugs to <bug-automake@gnu.org>.
michael@0: EOF
michael@0:     exit $?
michael@0:     ;;
michael@0:   -v | --v*)
michael@0:     echo "depcomp $scriptversion"
michael@0:     exit $?
michael@0:     ;;
michael@0: esac
michael@0: 
michael@0: if test -z "$depmode" || test -z "$source" || test -z "$object"; then
michael@0:   echo "depcomp: Variables source, object and depmode must be set" 1>&2
michael@0:   exit 1
michael@0: fi
michael@0: 
michael@0: # Dependencies for sub/bar.o or sub/bar.obj go into sub/.deps/bar.Po.
michael@0: depfile=${depfile-`echo "$object" |
michael@0:   sed 's|[^\\/]*$|'${DEPDIR-.deps}'/&|;s|\.\([^.]*\)$|.P\1|;s|Pobj$|Po|'`}
michael@0: tmpdepfile=${tmpdepfile-`echo "$depfile" | sed 's/\.\([^.]*\)$/.T\1/'`}
michael@0: 
michael@0: rm -f "$tmpdepfile"
michael@0: 
michael@0: # Some modes work just like other modes, but use different flags.  We
michael@0: # parameterize here, but still list the modes in the big case below,
michael@0: # to make depend.m4 easier to write.  Note that we *cannot* use a case
michael@0: # here, because this file can only contain one case statement.
michael@0: if test "$depmode" = hp; then
michael@0:   # HP compiler uses -M and no extra arg.
michael@0:   gccflag=-M
michael@0:   depmode=gcc
michael@0: fi
michael@0: 
michael@0: if test "$depmode" = dashXmstdout; then
michael@0:    # This is just like dashmstdout with a different argument.
michael@0:    dashmflag=-xM
michael@0:    depmode=dashmstdout
michael@0: fi
michael@0: 
michael@0: case "$depmode" in
michael@0: gcc3)
michael@0: ## gcc 3 implements dependency tracking that does exactly what
michael@0: ## we want.  Yay!  Note: for some reason libtool 1.4 doesn't like
michael@0: ## it if -MD -MP comes after the -MF stuff.  Hmm.
michael@0: ## Unfortunately, FreeBSD c89 acceptance of flags depends upon
michael@0: ## the command line argument order; so add the flags where they
michael@0: ## appear in depend2.am.  Note that the slowdown incurred here
michael@0: ## affects only configure: in makefiles, %FASTDEP% shortcuts this.
michael@0:   for arg
michael@0:   do
michael@0:     case $arg in
michael@0:     -c) set fnord "$@" -MT "$object" -MD -MP -MF "$tmpdepfile" "$arg" ;;
michael@0:     *)  set fnord "$@" "$arg" ;;
michael@0:     esac
michael@0:     shift # fnord
michael@0:     shift # $arg
michael@0:   done
michael@0:   "$@"
michael@0:   stat=$?
michael@0:   if test $stat -eq 0; then :
michael@0:   else
michael@0:     rm -f "$tmpdepfile"
michael@0:     exit $stat
michael@0:   fi
michael@0:   mv "$tmpdepfile" "$depfile"
michael@0:   ;;
michael@0: 
michael@0: gcc)
michael@0: ## There are various ways to get dependency output from gcc.  Here's
michael@0: ## why we pick this rather obscure method:
michael@0: ## - Don't want to use -MD because we'd like the dependencies to end
michael@0: ##   up in a subdir.  Having to rename by hand is ugly.
michael@0: ##   (We might end up doing this anyway to support other compilers.)
michael@0: ## - The DEPENDENCIES_OUTPUT environment variable makes gcc act like
michael@0: ##   -MM, not -M (despite what the docs say).
michael@0: ## - Using -M directly means running the compiler twice (even worse
michael@0: ##   than renaming).
michael@0:   if test -z "$gccflag"; then
michael@0:     gccflag=-MD,
michael@0:   fi
michael@0:   "$@" -Wp,"$gccflag$tmpdepfile"
michael@0:   stat=$?
michael@0:   if test $stat -eq 0; then :
michael@0:   else
michael@0:     rm -f "$tmpdepfile"
michael@0:     exit $stat
michael@0:   fi
michael@0:   rm -f "$depfile"
michael@0:   echo "$object : \\" > "$depfile"
michael@0:   alpha=ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz
michael@0: ## The second -e expression handles DOS-style file names with drive letters.
michael@0:   sed -e 's/^[^:]*: / /' \
michael@0:       -e 's/^['$alpha']:\/[^:]*: / /' < "$tmpdepfile" >> "$depfile"
michael@0: ## This next piece of magic avoids the `deleted header file' problem.
michael@0: ## The problem is that when a header file which appears in a .P file
michael@0: ## is deleted, the dependency causes make to die (because there is
michael@0: ## typically no way to rebuild the header).  We avoid this by adding
michael@0: ## dummy dependencies for each header file.  Too bad gcc doesn't do
michael@0: ## this for us directly.
michael@0:   tr ' ' '
michael@0: ' < "$tmpdepfile" |
michael@0: ## Some versions of gcc put a space before the `:'.  On the theory
michael@0: ## that the space means something, we add a space to the output as
michael@0: ## well.
michael@0: ## Some versions of the HPUX 10.20 sed can't process this invocation
michael@0: ## correctly.  Breaking it into two sed invocations is a workaround.
michael@0:     sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
michael@0:   rm -f "$tmpdepfile"
michael@0:   ;;
michael@0: 
michael@0: hp)
michael@0:   # This case exists only to let depend.m4 do its work.  It works by
michael@0:   # looking at the text of this script.  This case will never be run,
michael@0:   # since it is checked for above.
michael@0:   exit 1
michael@0:   ;;
michael@0: 
michael@0: sgi)
michael@0:   if test "$libtool" = yes; then
michael@0:     "$@" "-Wp,-MDupdate,$tmpdepfile"
michael@0:   else
michael@0:     "$@" -MDupdate "$tmpdepfile"
michael@0:   fi
michael@0:   stat=$?
michael@0:   if test $stat -eq 0; then :
michael@0:   else
michael@0:     rm -f "$tmpdepfile"
michael@0:     exit $stat
michael@0:   fi
michael@0:   rm -f "$depfile"
michael@0: 
michael@0:   if test -f "$tmpdepfile"; then  # yes, the sourcefile depend on other files
michael@0:     echo "$object : \\" > "$depfile"
michael@0: 
michael@0:     # Clip off the initial element (the dependent).  Don't try to be
michael@0:     # clever and replace this with sed code, as IRIX sed won't handle
michael@0:     # lines with more than a fixed number of characters (4096 in
michael@0:     # IRIX 6.2 sed, 8192 in IRIX 6.5).  We also remove comment lines;
michael@0:     # the IRIX cc adds comments like `#:fec' to the end of the
michael@0:     # dependency line.
michael@0:     tr ' ' '
michael@0: ' < "$tmpdepfile" \
michael@0:     | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' | \
michael@0:     tr '
michael@0: ' ' ' >> $depfile
michael@0:     echo >> $depfile
michael@0: 
michael@0:     # The second pass generates a dummy entry for each header file.
michael@0:     tr ' ' '
michael@0: ' < "$tmpdepfile" \
michael@0:    | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' -e 's/$/:/' \
michael@0:    >> $depfile
michael@0:   else
michael@0:     # The sourcefile does not contain any dependencies, so just
michael@0:     # store a dummy comment line, to avoid errors with the Makefile
michael@0:     # "include basename.Plo" scheme.
michael@0:     echo "#dummy" > "$depfile"
michael@0:   fi
michael@0:   rm -f "$tmpdepfile"
michael@0:   ;;
michael@0: 
michael@0: aix)
michael@0:   # The C for AIX Compiler uses -M and outputs the dependencies
michael@0:   # in a .u file.  In older versions, this file always lives in the
michael@0:   # current directory.  Also, the AIX compiler puts `$object:' at the
michael@0:   # start of each line; $object doesn't have directory information.
michael@0:   # Version 6 uses the directory in both cases.
michael@0:   stripped=`echo "$object" | sed 's/\(.*\)\..*$/\1/'`
michael@0:   tmpdepfile="$stripped.u"
michael@0:   if test "$libtool" = yes; then
michael@0:     "$@" -Wc,-M
michael@0:   else
michael@0:     "$@" -M
michael@0:   fi
michael@0:   stat=$?
michael@0: 
michael@0:   if test -f "$tmpdepfile"; then :
michael@0:   else
michael@0:     stripped=`echo "$stripped" | sed 's,^.*/,,'`
michael@0:     tmpdepfile="$stripped.u"
michael@0:   fi
michael@0: 
michael@0:   if test $stat -eq 0; then :
michael@0:   else
michael@0:     rm -f "$tmpdepfile"
michael@0:     exit $stat
michael@0:   fi
michael@0: 
michael@0:   if test -f "$tmpdepfile"; then
michael@0:     outname="$stripped.o"
michael@0:     # Each line is of the form `foo.o: dependent.h'.
michael@0:     # Do two passes, one to just change these to
michael@0:     # `$object: dependent.h' and one to simply `dependent.h:'.
michael@0:     sed -e "s,^$outname:,$object :," < "$tmpdepfile" > "$depfile"
michael@0:     sed -e "s,^$outname: \(.*\)$,\1:," < "$tmpdepfile" >> "$depfile"
michael@0:   else
michael@0:     # The sourcefile does not contain any dependencies, so just
michael@0:     # store a dummy comment line, to avoid errors with the Makefile
michael@0:     # "include basename.Plo" scheme.
michael@0:     echo "#dummy" > "$depfile"
michael@0:   fi
michael@0:   rm -f "$tmpdepfile"
michael@0:   ;;
michael@0: 
michael@0: icc)
michael@0:   # Intel's C compiler understands `-MD -MF file'.  However on
michael@0:   #    icc -MD -MF foo.d -c -o sub/foo.o sub/foo.c
michael@0:   # ICC 7.0 will fill foo.d with something like
michael@0:   #    foo.o: sub/foo.c
michael@0:   #    foo.o: sub/foo.h
michael@0:   # which is wrong.  We want:
michael@0:   #    sub/foo.o: sub/foo.c
michael@0:   #    sub/foo.o: sub/foo.h
michael@0:   #    sub/foo.c:
michael@0:   #    sub/foo.h:
michael@0:   # ICC 7.1 will output
michael@0:   #    foo.o: sub/foo.c sub/foo.h
michael@0:   # and will wrap long lines using \ :
michael@0:   #    foo.o: sub/foo.c ... \
michael@0:   #     sub/foo.h ... \
michael@0:   #     ...
michael@0: 
michael@0:   "$@" -MD -MF "$tmpdepfile"
michael@0:   stat=$?
michael@0:   if test $stat -eq 0; then :
michael@0:   else
michael@0:     rm -f "$tmpdepfile"
michael@0:     exit $stat
michael@0:   fi
michael@0:   rm -f "$depfile"
michael@0:   # Each line is of the form `foo.o: dependent.h',
michael@0:   # or `foo.o: dep1.h dep2.h \', or ` dep3.h dep4.h \'.
michael@0:   # Do two passes, one to just change these to
michael@0:   # `$object: dependent.h' and one to simply `dependent.h:'.
michael@0:   sed "s,^[^:]*:,$object :," < "$tmpdepfile" > "$depfile"
michael@0:   # Some versions of the HPUX 10.20 sed can't process this invocation
michael@0:   # correctly.  Breaking it into two sed invocations is a workaround.
michael@0:   sed 's,^[^:]*: \(.*\)$,\1,;s/^\\$//;/^$/d;/:$/d' < "$tmpdepfile" |
michael@0:     sed -e 's/$/ :/' >> "$depfile"
michael@0:   rm -f "$tmpdepfile"
michael@0:   ;;
michael@0: 
michael@0: hp2)
michael@0:   # The "hp" stanza above does not work with aCC (C++) and HP's ia64
michael@0:   # compilers, which have integrated preprocessors.  The correct option
michael@0:   # to use with these is +Maked; it writes dependencies to a file named
michael@0:   # 'foo.d', which lands next to the object file, wherever that
michael@0:   # happens to be.
michael@0:   # Much of this is similar to the tru64 case; see comments there.
michael@0:   dir=`echo "$object" | sed -e 's|/[^/]*$|/|'`
michael@0:   test "x$dir" = "x$object" && dir=
michael@0:   base=`echo "$object" | sed -e 's|^.*/||' -e 's/\.o$//' -e 's/\.lo$//'`
michael@0:   if test "$libtool" = yes; then
michael@0:     tmpdepfile1=$dir$base.d
michael@0:     tmpdepfile2=$dir.libs/$base.d
michael@0:     "$@" -Wc,+Maked
michael@0:   else
michael@0:     tmpdepfile1=$dir$base.d
michael@0:     tmpdepfile2=$dir$base.d
michael@0:     "$@" +Maked
michael@0:   fi
michael@0:   stat=$?
michael@0:   if test $stat -eq 0; then :
michael@0:   else
michael@0:      rm -f "$tmpdepfile1" "$tmpdepfile2"
michael@0:      exit $stat
michael@0:   fi
michael@0: 
michael@0:   for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2"
michael@0:   do
michael@0:     test -f "$tmpdepfile" && break
michael@0:   done
michael@0:   if test -f "$tmpdepfile"; then
michael@0:     sed -e "s,^.*\.[a-z]*:,$object:," "$tmpdepfile" > "$depfile"
michael@0:     # Add `dependent.h:' lines.
michael@0:     sed -ne '2,${; s/^ *//; s/ \\*$//; s/$/:/; p;}' "$tmpdepfile" >> "$depfile"
michael@0:   else
michael@0:     echo "#dummy" > "$depfile"
michael@0:   fi
michael@0:   rm -f "$tmpdepfile" "$tmpdepfile2"
michael@0:   ;;
michael@0: 
michael@0: tru64)
michael@0:    # The Tru64 compiler uses -MD to generate dependencies as a side
michael@0:    # effect.  `cc -MD -o foo.o ...' puts the dependencies into `foo.o.d'.
michael@0:    # At least on Alpha/Redhat 6.1, Compaq CCC V6.2-504 seems to put
michael@0:    # dependencies in `foo.d' instead, so we check for that too.
michael@0:    # Subdirectories are respected.
michael@0:    dir=`echo "$object" | sed -e 's|/[^/]*$|/|'`
michael@0:    test "x$dir" = "x$object" && dir=
michael@0:    base=`echo "$object" | sed -e 's|^.*/||' -e 's/\.o$//' -e 's/\.lo$//'`
michael@0: 
michael@0:    if test "$libtool" = yes; then
michael@0:       # With Tru64 cc, shared objects can also be used to make a
michael@0:       # static library.  This mechanism is used in libtool 1.4 series to
michael@0:       # handle both shared and static libraries in a single compilation.
michael@0:       # With libtool 1.4, dependencies were output in $dir.libs/$base.lo.d.
michael@0:       #
michael@0:       # With libtool 1.5 this exception was removed, and libtool now
michael@0:       # generates 2 separate objects for the 2 libraries.  These two
michael@0:       # compilations output dependencies in $dir.libs/$base.o.d and
michael@0:       # in $dir$base.o.d.  We have to check for both files, because
michael@0:       # one of the two compilations can be disabled.  We should prefer
michael@0:       # $dir$base.o.d over $dir.libs/$base.o.d because the latter is
michael@0:       # automatically cleaned when .libs/ is deleted, while ignoring
michael@0:       # the former would cause a distcleancheck panic.
michael@0:       tmpdepfile1=$dir.libs/$base.lo.d   # libtool 1.4
michael@0:       tmpdepfile2=$dir$base.o.d          # libtool 1.5
michael@0:       tmpdepfile3=$dir.libs/$base.o.d    # libtool 1.5
michael@0:       tmpdepfile4=$dir.libs/$base.d      # Compaq CCC V6.2-504
michael@0:       "$@" -Wc,-MD
michael@0:    else
michael@0:       tmpdepfile1=$dir$base.o.d
michael@0:       tmpdepfile2=$dir$base.d
michael@0:       tmpdepfile3=$dir$base.d
michael@0:       tmpdepfile4=$dir$base.d
michael@0:       "$@" -MD
michael@0:    fi
michael@0: 
michael@0:    stat=$?
michael@0:    if test $stat -eq 0; then :
michael@0:    else
michael@0:       rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" "$tmpdepfile4"
michael@0:       exit $stat
michael@0:    fi
michael@0: 
michael@0:    for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" "$tmpdepfile4"
michael@0:    do
michael@0:      test -f "$tmpdepfile" && break
michael@0:    done
michael@0:    if test -f "$tmpdepfile"; then
michael@0:       sed -e "s,^.*\.[a-z]*:,$object:," < "$tmpdepfile" > "$depfile"
michael@0:       # That's a tab and a space in the [].
michael@0:       sed -e 's,^.*\.[a-z]*:[	 ]*,,' -e 's,$,:,' < "$tmpdepfile" >> "$depfile"
michael@0:    else
michael@0:       echo "#dummy" > "$depfile"
michael@0:    fi
michael@0:    rm -f "$tmpdepfile"
michael@0:    ;;
michael@0: 
michael@0: #nosideeffect)
michael@0:   # This comment above is used by automake to tell side-effect
michael@0:   # dependency tracking mechanisms from slower ones.
michael@0: 
michael@0: dashmstdout)
michael@0:   # Important note: in order to support this mode, a compiler *must*
michael@0:   # always write the preprocessed file to stdout, regardless of -o.
michael@0:   "$@" || exit $?
michael@0: 
michael@0:   # Remove the call to Libtool.
michael@0:   if test "$libtool" = yes; then
michael@0:     while test $1 != '--mode=compile'; do
michael@0:       shift
michael@0:     done
michael@0:     shift
michael@0:   fi
michael@0: 
michael@0:   # Remove `-o $object'.
michael@0:   IFS=" "
michael@0:   for arg
michael@0:   do
michael@0:     case $arg in
michael@0:     -o)
michael@0:       shift
michael@0:       ;;
michael@0:     $object)
michael@0:       shift
michael@0:       ;;
michael@0:     *)
michael@0:       set fnord "$@" "$arg"
michael@0:       shift # fnord
michael@0:       shift # $arg
michael@0:       ;;
michael@0:     esac
michael@0:   done
michael@0: 
michael@0:   test -z "$dashmflag" && dashmflag=-M
michael@0:   # Require at least two characters before searching for `:'
michael@0:   # in the target name.  This is to cope with DOS-style filenames:
michael@0:   # a dependency such as `c:/foo/bar' could be seen as target `c' otherwise.
michael@0:   "$@" $dashmflag |
michael@0:     sed 's:^[  ]*[^: ][^:][^:]*\:[    ]*:'"$object"'\: :' > "$tmpdepfile"
michael@0:   rm -f "$depfile"
michael@0:   cat < "$tmpdepfile" > "$depfile"
michael@0:   tr ' ' '
michael@0: ' < "$tmpdepfile" | \
michael@0: ## Some versions of the HPUX 10.20 sed can't process this invocation
michael@0: ## correctly.  Breaking it into two sed invocations is a workaround.
michael@0:     sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
michael@0:   rm -f "$tmpdepfile"
michael@0:   ;;
michael@0: 
michael@0: dashXmstdout)
michael@0:   # This case only exists to satisfy depend.m4.  It is never actually
michael@0:   # run, as this mode is specially recognized in the preamble.
michael@0:   exit 1
michael@0:   ;;
michael@0: 
michael@0: makedepend)
michael@0:   "$@" || exit $?
michael@0:   # Remove any Libtool call
michael@0:   if test "$libtool" = yes; then
michael@0:     while test $1 != '--mode=compile'; do
michael@0:       shift
michael@0:     done
michael@0:     shift
michael@0:   fi
michael@0:   # X makedepend
michael@0:   shift
michael@0:   cleared=no
michael@0:   for arg in "$@"; do
michael@0:     case $cleared in
michael@0:     no)
michael@0:       set ""; shift
michael@0:       cleared=yes ;;
michael@0:     esac
michael@0:     case "$arg" in
michael@0:     -D*|-I*)
michael@0:       set fnord "$@" "$arg"; shift ;;
michael@0:     # Strip any option that makedepend may not understand.  Remove
michael@0:     # the object too, otherwise makedepend will parse it as a source file.
michael@0:     -*|$object)
michael@0:       ;;
michael@0:     *)
michael@0:       set fnord "$@" "$arg"; shift ;;
michael@0:     esac
michael@0:   done
michael@0:   obj_suffix="`echo $object | sed 's/^.*\././'`"
michael@0:   touch "$tmpdepfile"
michael@0:   ${MAKEDEPEND-makedepend} -o"$obj_suffix" -f"$tmpdepfile" "$@"
michael@0:   rm -f "$depfile"
michael@0:   cat < "$tmpdepfile" > "$depfile"
michael@0:   sed '1,2d' "$tmpdepfile" | tr ' ' '
michael@0: ' | \
michael@0: ## Some versions of the HPUX 10.20 sed can't process this invocation
michael@0: ## correctly.  Breaking it into two sed invocations is a workaround.
michael@0:     sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
michael@0:   rm -f "$tmpdepfile" "$tmpdepfile".bak
michael@0:   ;;
michael@0: 
michael@0: cpp)
michael@0:   # Important note: in order to support this mode, a compiler *must*
michael@0:   # always write the preprocessed file to stdout.
michael@0:   "$@" || exit $?
michael@0: 
michael@0:   # Remove the call to Libtool.
michael@0:   if test "$libtool" = yes; then
michael@0:     while test $1 != '--mode=compile'; do
michael@0:       shift
michael@0:     done
michael@0:     shift
michael@0:   fi
michael@0: 
michael@0:   # Remove `-o $object'.
michael@0:   IFS=" "
michael@0:   for arg
michael@0:   do
michael@0:     case $arg in
michael@0:     -o)
michael@0:       shift
michael@0:       ;;
michael@0:     $object)
michael@0:       shift
michael@0:       ;;
michael@0:     *)
michael@0:       set fnord "$@" "$arg"
michael@0:       shift # fnord
michael@0:       shift # $arg
michael@0:       ;;
michael@0:     esac
michael@0:   done
michael@0: 
michael@0:   "$@" -E |
michael@0:     sed -n -e '/^# [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' \
michael@0:        -e '/^#line [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' |
michael@0:     sed '$ s: \\$::' > "$tmpdepfile"
michael@0:   rm -f "$depfile"
michael@0:   echo "$object : \\" > "$depfile"
michael@0:   cat < "$tmpdepfile" >> "$depfile"
michael@0:   sed < "$tmpdepfile" '/^$/d;s/^ //;s/ \\$//;s/$/ :/' >> "$depfile"
michael@0:   rm -f "$tmpdepfile"
michael@0:   ;;
michael@0: 
michael@0: msvisualcpp)
michael@0:   # Important note: in order to support this mode, a compiler *must*
michael@0:   # always write the preprocessed file to stdout, regardless of -o,
michael@0:   # because we must use -o when running libtool.
michael@0:   "$@" || exit $?
michael@0:   IFS=" "
michael@0:   for arg
michael@0:   do
michael@0:     case "$arg" in
michael@0:     "-Gm"|"/Gm"|"-Gi"|"/Gi"|"-ZI"|"/ZI")
michael@0: 	set fnord "$@"
michael@0: 	shift
michael@0: 	shift
michael@0: 	;;
michael@0:     *)
michael@0: 	set fnord "$@" "$arg"
michael@0: 	shift
michael@0: 	shift
michael@0: 	;;
michael@0:     esac
michael@0:   done
michael@0:   "$@" -E |
michael@0:   sed -n '/^#line [0-9][0-9]* "\([^"]*\)"/ s::echo "`cygpath -u \\"\1\\"`":p' | sort | uniq > "$tmpdepfile"
michael@0:   rm -f "$depfile"
michael@0:   echo "$object : \\" > "$depfile"
michael@0:   . "$tmpdepfile" | sed 's% %\\ %g' | sed -n '/^\(.*\)$/ s::	\1 \\:p' >> "$depfile"
michael@0:   echo "	" >> "$depfile"
michael@0:   . "$tmpdepfile" | sed 's% %\\ %g' | sed -n '/^\(.*\)$/ s::\1\::p' >> "$depfile"
michael@0:   rm -f "$tmpdepfile"
michael@0:   ;;
michael@0: 
michael@0: none)
michael@0:   exec "$@"
michael@0:   ;;
michael@0: 
michael@0: *)
michael@0:   echo "Unknown depmode $depmode" 1>&2
michael@0:   exit 1
michael@0:   ;;
michael@0: esac
michael@0: 
michael@0: exit 0
michael@0: 
michael@0: # Local Variables:
michael@0: # mode: shell-script
michael@0: # sh-indentation: 2
michael@0: # eval: (add-hook 'write-file-hooks 'time-stamp)
michael@0: # time-stamp-start: "scriptversion="
michael@0: # time-stamp-format: "%:y-%02m-%02d.%02H"
michael@0: # time-stamp-end: "$"
michael@0: # End: