paulo@0: #! /bin/sh
paulo@0: 
paulo@0: # depcomp - compile a program generating dependencies as side-effects
paulo@0: # Copyright 1999, 2000, 2003 Free Software Foundation, Inc.
paulo@0: 
paulo@0: # This program is free software; you can redistribute it and/or modify
paulo@0: # it under the terms of the GNU General Public License as published by
paulo@0: # the Free Software Foundation; either version 2, or (at your option)
paulo@0: # any later version.
paulo@0: 
paulo@0: # This program is distributed in the hope that it will be useful,
paulo@0: # but WITHOUT ANY WARRANTY; without even the implied warranty of
paulo@0: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
paulo@0: # GNU General Public License for more details.
paulo@0: 
paulo@0: # You should have received a copy of the GNU General Public License
paulo@0: # along with this program; if not, write to the Free Software
paulo@0: # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
paulo@0: # 02111-1307, USA.
paulo@0: 
paulo@0: # As a special exception to the GNU General Public License, if you
paulo@0: # distribute this file as part of a program that contains a
paulo@0: # configuration script generated by Autoconf, you may include it under
paulo@0: # the same distribution terms that you use for the rest of that program.
paulo@0: 
paulo@0: # Originally written by Alexandre Oliva <oliva@dcc.unicamp.br>.
paulo@0: 
paulo@0: if test -z "$depmode" || test -z "$source" || test -z "$object"; then
paulo@0:   echo "depcomp: Variables source, object and depmode must be set" 1>&2
paulo@0:   exit 1
paulo@0: fi
paulo@0: # `libtool' can also be set to `yes' or `no'.
paulo@0: 
paulo@0: if test -z "$depfile"; then
paulo@0:    base=`echo "$object" | sed -e 's,^.*/,,' -e 's,\.\([^.]*\)$,.P\1,'`
paulo@0:    dir=`echo "$object" | sed 's,/.*$,/,'`
paulo@0:    if test "$dir" = "$object"; then
paulo@0:       dir=
paulo@0:    fi
paulo@0:    # FIXME: should be _deps on DOS.
paulo@0:    depfile="$dir.deps/$base"
paulo@0: fi
paulo@0: 
paulo@0: tmpdepfile=${tmpdepfile-`echo "$depfile" | sed 's/\.\([^.]*\)$/.T\1/'`}
paulo@0: 
paulo@0: rm -f "$tmpdepfile"
paulo@0: 
paulo@0: # Some modes work just like other modes, but use different flags.  We
paulo@0: # parameterize here, but still list the modes in the big case below,
paulo@0: # to make depend.m4 easier to write.  Note that we *cannot* use a case
paulo@0: # here, because this file can only contain one case statement.
paulo@0: if test "$depmode" = hp; then
paulo@0:   # HP compiler uses -M and no extra arg.
paulo@0:   gccflag=-M
paulo@0:   depmode=gcc
paulo@0: fi
paulo@0: 
paulo@0: if test "$depmode" = dashXmstdout; then
paulo@0:    # This is just like dashmstdout with a different argument.
paulo@0:    dashmflag=-xM
paulo@0:    depmode=dashmstdout
paulo@0: fi
paulo@0: 
paulo@0: case "$depmode" in
paulo@0: gcc3)
paulo@0: ## gcc 3 implements dependency tracking that does exactly what
paulo@0: ## we want.  Yay!  Note: for some reason libtool 1.4 doesn't like
paulo@0: ## it if -MD -MP comes after the -MF stuff.  Hmm.
paulo@0:   "$@" -MT "$object" -MD -MP -MF "$tmpdepfile"
paulo@0:   stat=$?
paulo@0:   if test $stat -eq 0; then :
paulo@0:   else
paulo@0:     rm -f "$tmpdepfile"
paulo@0:     exit $stat
paulo@0:   fi
paulo@0:   mv "$tmpdepfile" "$depfile"
paulo@0:   ;;
paulo@0: 
paulo@0: gcc)
paulo@0: ## There are various ways to get dependency output from gcc.  Here's
paulo@0: ## why we pick this rather obscure method:
paulo@0: ## - Don't want to use -MD because we'd like the dependencies to end
paulo@0: ##   up in a subdir.  Having to rename by hand is ugly.
paulo@0: ##   (We might end up doing this anyway to support other compilers.)
paulo@0: ## - The DEPENDENCIES_OUTPUT environment variable makes gcc act like
paulo@0: ##   -MM, not -M (despite what the docs say).
paulo@0: ## - Using -M directly means running the compiler twice (even worse
paulo@0: ##   than renaming).
paulo@0:   if test -z "$gccflag"; then
paulo@0:     gccflag=-MD,
paulo@0:   fi
paulo@0:   "$@" -Wp,"$gccflag$tmpdepfile"
paulo@0:   stat=$?
paulo@0:   if test $stat -eq 0; then :
paulo@0:   else
paulo@0:     rm -f "$tmpdepfile"
paulo@0:     exit $stat
paulo@0:   fi
paulo@0:   rm -f "$depfile"
paulo@0:   echo "$object : \\" > "$depfile"
paulo@0:   alpha=ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz
paulo@0: ## The second -e expression handles DOS-style file names with drive letters.
paulo@0:   sed -e 's/^[^:]*: / /' \
paulo@0:       -e 's/^['$alpha']:\/[^:]*: / /' < "$tmpdepfile" >> "$depfile"
paulo@0: ## This next piece of magic avoids the `deleted header file' problem.
paulo@0: ## The problem is that when a header file which appears in a .P file
paulo@0: ## is deleted, the dependency causes make to die (because there is
paulo@0: ## typically no way to rebuild the header).  We avoid this by adding
paulo@0: ## dummy dependencies for each header file.  Too bad gcc doesn't do
paulo@0: ## this for us directly.
paulo@0:   tr ' ' '
paulo@0: ' < "$tmpdepfile" |
paulo@0: ## Some versions of gcc put a space before the `:'.  On the theory
paulo@0: ## that the space means something, we add a space to the output as
paulo@0: ## well.
paulo@0: ## Some versions of the HPUX 10.20 sed can't process this invocation
paulo@0: ## correctly.  Breaking it into two sed invocations is a workaround.
paulo@0:     sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
paulo@0:   rm -f "$tmpdepfile"
paulo@0:   ;;
paulo@0: 
paulo@0: hp)
paulo@0:   # This case exists only to let depend.m4 do its work.  It works by
paulo@0:   # looking at the text of this script.  This case will never be run,
paulo@0:   # since it is checked for above.
paulo@0:   exit 1
paulo@0:   ;;
paulo@0: 
paulo@0: sgi)
paulo@0:   if test "$libtool" = yes; then
paulo@0:     "$@" "-Wp,-MDupdate,$tmpdepfile"
paulo@0:   else
paulo@0:     "$@" -MDupdate "$tmpdepfile"
paulo@0:   fi
paulo@0:   stat=$?
paulo@0:   if test $stat -eq 0; then :
paulo@0:   else
paulo@0:     rm -f "$tmpdepfile"
paulo@0:     exit $stat
paulo@0:   fi
paulo@0:   rm -f "$depfile"
paulo@0: 
paulo@0:   if test -f "$tmpdepfile"; then  # yes, the sourcefile depend on other files
paulo@0:     echo "$object : \\" > "$depfile"
paulo@0: 
paulo@0:     # Clip off the initial element (the dependent).  Don't try to be
paulo@0:     # clever and replace this with sed code, as IRIX sed won't handle
paulo@0:     # lines with more than a fixed number of characters (4096 in
paulo@0:     # IRIX 6.2 sed, 8192 in IRIX 6.5).  We also remove comment lines;
paulo@0:     # the IRIX cc adds comments like `#:fec' to the end of the
paulo@0:     # dependency line.
paulo@0:     tr ' ' '
paulo@0: ' < "$tmpdepfile" \
paulo@0:     | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' | \
paulo@0:     tr '
paulo@0: ' ' ' >> $depfile
paulo@0:     echo >> $depfile
paulo@0: 
paulo@0:     # The second pass generates a dummy entry for each header file.
paulo@0:     tr ' ' '
paulo@0: ' < "$tmpdepfile" \
paulo@0:    | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' -e 's/$/:/' \
paulo@0:    >> $depfile
paulo@0:   else
paulo@0:     # The sourcefile does not contain any dependencies, so just
paulo@0:     # store a dummy comment line, to avoid errors with the Makefile
paulo@0:     # "include basename.Plo" scheme.
paulo@0:     echo "#dummy" > "$depfile"
paulo@0:   fi
paulo@0:   rm -f "$tmpdepfile"
paulo@0:   ;;
paulo@0: 
paulo@0: aix)
paulo@0:   # The C for AIX Compiler uses -M and outputs the dependencies
paulo@0:   # in a .u file.  In older versions, this file always lives in the
paulo@0:   # current directory.  Also, the AIX compiler puts `$object:' at the
paulo@0:   # start of each line; $object doesn't have directory information.
paulo@0:   # Version 6 uses the directory in both cases.
paulo@0:   stripped=`echo "$object" | sed 's/\(.*\)\..*$/\1/'`
paulo@0:   tmpdepfile="$stripped.u"
paulo@0:   if test "$libtool" = yes; then
paulo@0:     "$@" -Wc,-M
paulo@0:   else
paulo@0:     "$@" -M
paulo@0:   fi
paulo@0:   stat=$?
paulo@0: 
paulo@0:   if test -f "$tmpdepfile"; then :
paulo@0:   else
paulo@0:     stripped=`echo "$stripped" | sed 's,^.*/,,'`
paulo@0:     tmpdepfile="$stripped.u"
paulo@0:   fi
paulo@0: 
paulo@0:   if test $stat -eq 0; then :
paulo@0:   else
paulo@0:     rm -f "$tmpdepfile"
paulo@0:     exit $stat
paulo@0:   fi
paulo@0: 
paulo@0:   if test -f "$tmpdepfile"; then
paulo@0:     outname="$stripped.o"
paulo@0:     # Each line is of the form `foo.o: dependent.h'.
paulo@0:     # Do two passes, one to just change these to
paulo@0:     # `$object: dependent.h' and one to simply `dependent.h:'.
paulo@0:     sed -e "s,^$outname:,$object :," < "$tmpdepfile" > "$depfile"
paulo@0:     sed -e "s,^$outname: \(.*\)$,\1:," < "$tmpdepfile" >> "$depfile"
paulo@0:   else
paulo@0:     # The sourcefile does not contain any dependencies, so just
paulo@0:     # store a dummy comment line, to avoid errors with the Makefile
paulo@0:     # "include basename.Plo" scheme.
paulo@0:     echo "#dummy" > "$depfile"
paulo@0:   fi
paulo@0:   rm -f "$tmpdepfile"
paulo@0:   ;;
paulo@0: 
paulo@0: icc)
paulo@0:   # Intel's C compiler understands `-MD -MF file'.  However on
paulo@0:   #    icc -MD -MF foo.d -c -o sub/foo.o sub/foo.c
paulo@0:   # ICC 7.0 will fill foo.d with something like
paulo@0:   #    foo.o: sub/foo.c
paulo@0:   #    foo.o: sub/foo.h
paulo@0:   # which is wrong.  We want:
paulo@0:   #    sub/foo.o: sub/foo.c
paulo@0:   #    sub/foo.o: sub/foo.h
paulo@0:   #    sub/foo.c:
paulo@0:   #    sub/foo.h:
paulo@0:   # ICC 7.1 will output
paulo@0:   #    foo.o: sub/foo.c sub/foo.h
paulo@0:   # and will wrap long lines using \ :
paulo@0:   #    foo.o: sub/foo.c ... \
paulo@0:   #     sub/foo.h ... \
paulo@0:   #     ...
paulo@0: 
paulo@0:   "$@" -MD -MF "$tmpdepfile"
paulo@0:   stat=$?
paulo@0:   if test $stat -eq 0; then :
paulo@0:   else
paulo@0:     rm -f "$tmpdepfile"
paulo@0:     exit $stat
paulo@0:   fi
paulo@0:   rm -f "$depfile"
paulo@0:   # Each line is of the form `foo.o: dependent.h',
paulo@0:   # or `foo.o: dep1.h dep2.h \', or ` dep3.h dep4.h \'.
paulo@0:   # Do two passes, one to just change these to
paulo@0:   # `$object: dependent.h' and one to simply `dependent.h:'.
paulo@0:   sed "s,^[^:]*:,$object :," < "$tmpdepfile" > "$depfile"
paulo@0:   # Some versions of the HPUX 10.20 sed can't process this invocation
paulo@0:   # correctly.  Breaking it into two sed invocations is a workaround.
paulo@0:   sed 's,^[^:]*: \(.*\)$,\1,;s/^\\$//;/^$/d;/:$/d' < "$tmpdepfile" |
paulo@0:     sed -e 's/$/ :/' >> "$depfile"
paulo@0:   rm -f "$tmpdepfile"
paulo@0:   ;;
paulo@0: 
paulo@0: tru64)
paulo@0:    # The Tru64 compiler uses -MD to generate dependencies as a side
paulo@0:    # effect.  `cc -MD -o foo.o ...' puts the dependencies into `foo.o.d'.
paulo@0:    # At least on Alpha/Redhat 6.1, Compaq CCC V6.2-504 seems to put
paulo@0:    # dependencies in `foo.d' instead, so we check for that too.
paulo@0:    # Subdirectories are respected.
paulo@0:    dir=`echo "$object" | sed -e 's|/[^/]*$|/|'`
paulo@0:    test "x$dir" = "x$object" && dir=
paulo@0:    base=`echo "$object" | sed -e 's|^.*/||' -e 's/\.o$//' -e 's/\.lo$//'`
paulo@0: 
paulo@0:    if test "$libtool" = yes; then
paulo@0:       tmpdepfile1="$dir.libs/$base.lo.d"
paulo@0:       tmpdepfile2="$dir.libs/$base.d"
paulo@0:       "$@" -Wc,-MD
paulo@0:    else
paulo@0:       tmpdepfile1="$dir$base.o.d"
paulo@0:       tmpdepfile2="$dir$base.d"
paulo@0:       "$@" -MD
paulo@0:    fi
paulo@0: 
paulo@0:    stat=$?
paulo@0:    if test $stat -eq 0; then :
paulo@0:    else
paulo@0:       rm -f "$tmpdepfile1" "$tmpdepfile2"
paulo@0:       exit $stat
paulo@0:    fi
paulo@0: 
paulo@0:    if test -f "$tmpdepfile1"; then
paulo@0:       tmpdepfile="$tmpdepfile1"
paulo@0:    else
paulo@0:       tmpdepfile="$tmpdepfile2"
paulo@0:    fi
paulo@0:    if test -f "$tmpdepfile"; then
paulo@0:       sed -e "s,^.*\.[a-z]*:,$object:," < "$tmpdepfile" > "$depfile"
paulo@0:       # That's a tab and a space in the [].
paulo@0:       sed -e 's,^.*\.[a-z]*:[	 ]*,,' -e 's,$,:,' < "$tmpdepfile" >> "$depfile"
paulo@0:    else
paulo@0:       echo "#dummy" > "$depfile"
paulo@0:    fi
paulo@0:    rm -f "$tmpdepfile"
paulo@0:    ;;
paulo@0: 
paulo@0: #nosideeffect)
paulo@0:   # This comment above is used by automake to tell side-effect
paulo@0:   # dependency tracking mechanisms from slower ones.
paulo@0: 
paulo@0: dashmstdout)
paulo@0:   # Important note: in order to support this mode, a compiler *must*
paulo@0:   # always write the preprocessed file to stdout, regardless of -o.
paulo@0:   "$@" || exit $?
paulo@0: 
paulo@0:   # Remove the call to Libtool.
paulo@0:   if test "$libtool" = yes; then
paulo@0:     while test $1 != '--mode=compile'; do
paulo@0:       shift
paulo@0:     done
paulo@0:     shift
paulo@0:   fi
paulo@0: 
paulo@0:   # Remove `-o $object'.
paulo@0:   IFS=" "
paulo@0:   for arg
paulo@0:   do
paulo@0:     case $arg in
paulo@0:     -o)
paulo@0:       shift
paulo@0:       ;;
paulo@0:     $object)
paulo@0:       shift
paulo@0:       ;;
paulo@0:     *)
paulo@0:       set fnord "$@" "$arg"
paulo@0:       shift # fnord
paulo@0:       shift # $arg
paulo@0:       ;;
paulo@0:     esac
paulo@0:   done
paulo@0: 
paulo@0:   test -z "$dashmflag" && dashmflag=-M
paulo@0:   # Require at least two characters before searching for `:'
paulo@0:   # in the target name.  This is to cope with DOS-style filenames:
paulo@0:   # a dependency such as `c:/foo/bar' could be seen as target `c' otherwise.
paulo@0:   "$@" $dashmflag |
paulo@0:     sed 's:^[  ]*[^: ][^:][^:]*\:[    ]*:'"$object"'\: :' > "$tmpdepfile"
paulo@0:   rm -f "$depfile"
paulo@0:   cat < "$tmpdepfile" > "$depfile"
paulo@0:   tr ' ' '
paulo@0: ' < "$tmpdepfile" | \
paulo@0: ## Some versions of the HPUX 10.20 sed can't process this invocation
paulo@0: ## correctly.  Breaking it into two sed invocations is a workaround.
paulo@0:     sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
paulo@0:   rm -f "$tmpdepfile"
paulo@0:   ;;
paulo@0: 
paulo@0: dashXmstdout)
paulo@0:   # This case only exists to satisfy depend.m4.  It is never actually
paulo@0:   # run, as this mode is specially recognized in the preamble.
paulo@0:   exit 1
paulo@0:   ;;
paulo@0: 
paulo@0: makedepend)
paulo@0:   "$@" || exit $?
paulo@0:   # Remove any Libtool call
paulo@0:   if test "$libtool" = yes; then
paulo@0:     while test $1 != '--mode=compile'; do
paulo@0:       shift
paulo@0:     done
paulo@0:     shift
paulo@0:   fi
paulo@0:   # X makedepend
paulo@0:   shift
paulo@0:   cleared=no
paulo@0:   for arg in "$@"; do
paulo@0:     case $cleared in
paulo@0:     no)
paulo@0:       set ""; shift
paulo@0:       cleared=yes ;;
paulo@0:     esac
paulo@0:     case "$arg" in
paulo@0:     -D*|-I*)
paulo@0:       set fnord "$@" "$arg"; shift ;;
paulo@0:     # Strip any option that makedepend may not understand.  Remove
paulo@0:     # the object too, otherwise makedepend will parse it as a source file.
paulo@0:     -*|$object)
paulo@0:       ;;
paulo@0:     *)
paulo@0:       set fnord "$@" "$arg"; shift ;;
paulo@0:     esac
paulo@0:   done
paulo@0:   obj_suffix="`echo $object | sed 's/^.*\././'`"
paulo@0:   touch "$tmpdepfile"
paulo@0:   ${MAKEDEPEND-makedepend} -o"$obj_suffix" -f"$tmpdepfile" "$@"
paulo@0:   rm -f "$depfile"
paulo@0:   cat < "$tmpdepfile" > "$depfile"
paulo@0:   sed '1,2d' "$tmpdepfile" | tr ' ' '
paulo@0: ' | \
paulo@0: ## Some versions of the HPUX 10.20 sed can't process this invocation
paulo@0: ## correctly.  Breaking it into two sed invocations is a workaround.
paulo@0:     sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
paulo@0:   rm -f "$tmpdepfile" "$tmpdepfile".bak
paulo@0:   ;;
paulo@0: 
paulo@0: cpp)
paulo@0:   # Important note: in order to support this mode, a compiler *must*
paulo@0:   # always write the preprocessed file to stdout.
paulo@0:   "$@" || exit $?
paulo@0: 
paulo@0:   # Remove the call to Libtool.
paulo@0:   if test "$libtool" = yes; then
paulo@0:     while test $1 != '--mode=compile'; do
paulo@0:       shift
paulo@0:     done
paulo@0:     shift
paulo@0:   fi
paulo@0: 
paulo@0:   # Remove `-o $object'.
paulo@0:   IFS=" "
paulo@0:   for arg
paulo@0:   do
paulo@0:     case $arg in
paulo@0:     -o)
paulo@0:       shift
paulo@0:       ;;
paulo@0:     $object)
paulo@0:       shift
paulo@0:       ;;
paulo@0:     *)
paulo@0:       set fnord "$@" "$arg"
paulo@0:       shift # fnord
paulo@0:       shift # $arg
paulo@0:       ;;
paulo@0:     esac
paulo@0:   done
paulo@0: 
paulo@0:   "$@" -E |
paulo@0:     sed -n '/^# [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' |
paulo@0:     sed '$ s: \\$::' > "$tmpdepfile"
paulo@0:   rm -f "$depfile"
paulo@0:   echo "$object : \\" > "$depfile"
paulo@0:   cat < "$tmpdepfile" >> "$depfile"
paulo@0:   sed < "$tmpdepfile" '/^$/d;s/^ //;s/ \\$//;s/$/ :/' >> "$depfile"
paulo@0:   rm -f "$tmpdepfile"
paulo@0:   ;;
paulo@0: 
paulo@0: msvisualcpp)
paulo@0:   # Important note: in order to support this mode, a compiler *must*
paulo@0:   # always write the preprocessed file to stdout, regardless of -o,
paulo@0:   # because we must use -o when running libtool.
paulo@0:   "$@" || exit $?
paulo@0:   IFS=" "
paulo@0:   for arg
paulo@0:   do
paulo@0:     case "$arg" in
paulo@0:     "-Gm"|"/Gm"|"-Gi"|"/Gi"|"-ZI"|"/ZI")
paulo@0: 	set fnord "$@"
paulo@0: 	shift
paulo@0: 	shift
paulo@0: 	;;
paulo@0:     *)
paulo@0: 	set fnord "$@" "$arg"
paulo@0: 	shift
paulo@0: 	shift
paulo@0: 	;;
paulo@0:     esac
paulo@0:   done
paulo@0:   "$@" -E |
paulo@0:   sed -n '/^#line [0-9][0-9]* "\([^"]*\)"/ s::echo "`cygpath -u \\"\1\\"`":p' | sort | uniq > "$tmpdepfile"
paulo@0:   rm -f "$depfile"
paulo@0:   echo "$object : \\" > "$depfile"
paulo@0:   . "$tmpdepfile" | sed 's% %\\ %g' | sed -n '/^\(.*\)$/ s::	\1 \\:p' >> "$depfile"
paulo@0:   echo "	" >> "$depfile"
paulo@0:   . "$tmpdepfile" | sed 's% %\\ %g' | sed -n '/^\(.*\)$/ s::\1\::p' >> "$depfile"
paulo@0:   rm -f "$tmpdepfile"
paulo@0:   ;;
paulo@0: 
paulo@0: none)
paulo@0:   exec "$@"
paulo@0:   ;;
paulo@0: 
paulo@0: *)
paulo@0:   echo "Unknown depmode $depmode" 1>&2
paulo@0:   exit 1
paulo@0:   ;;
paulo@0: esac
paulo@0: 
paulo@0: exit 0