#! /bin/sh# depcomp - compile a program generating dependencies as side-effects# Copyright 1999, 2000 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 "$object"; then  echo "depcomp: Variables source, object and depmode must be set" 1>&2  exit 1fi# `libtool' can also be set to `yes' or `no'.if test -z "$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/$base"fitmpdepfile=${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 "$depmode" = hp; then  # HP compiler uses -M and no extra arg.  gccflag=-M  depmode=gccfiif test "$depmode" = dashXmstdout; then   # This is just like dashmstdout with a different argument.   dashmflag=-xM   depmode=dashmstdoutficase "$depmode" ingcc3)## gcc 3 implements dependency tracking that does exactly what## we want.  Yay!  Note: for some reason libtool 1.4 doesn't like## it if -MD -MP comes after the -MF stuff.  Hmm.  "$@" -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 "$tmpdepfile"  ;;aix)  # The C for AIX Compiler uses -M and outputs the dependencies  # in a .u file.  This file always lives in the current directory.  # Also, the AIX compiler puts `$object:' at the start of each line;  # $object doesn't have directory information.  stripped=`echo "$object" | sed -e 's,^.*/,,' -e 's/\(.*\)\..*$/\1/'`  tmpdepfile="$stripped.u"  outname="$stripped.o"  if test "$libtool" = yes; then    "$@" -Wc,-M  else    "$@" -M  fi  stat=$?  if test $stat -eq 0; then :  else    rm -f "$tmpdepfile"    exit $stat  fi  if test -f "$tmpdepfile"; then    # 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 "$tmpdepfile"  ;;tru64)   # The Tru64 compiler uses -MD to generate dependencies as a side   # effect.  `cc -MD -o foo.o ...' puts the dependencies into `foo.o.d'.   # At least on Alpha/Redhat 6.1, Compaq CCC V6.2-504 seems to put   # dependencies in `foo.d' instead, so we check for that too.   # Subdirectories are respected.   dir=`echo "$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 space and a tab in the [].      sed -e 's,^.*\.[a-z]*:[ 	]*,,' -e 's,$,:,' < "$tmpdepfile" >> "$depfile"   else      echo "#dummy" > "$depfile"   fi   rm -f "$tmpdepfile"   ;;#nosideeffect)  # This comment above is used by automake to tell side-effect  # dependency tracking mechanisms from slower ones.dashmstdout)  # Important note: in order to support this mode, a compiler *must*  # always write the proprocessed file to stdout, regardless of -o.  "$@" || exit $?  # Remove the call to Libtool.  if test "$libtool" = yes; then    while test $1 != '--mode=compile'; do      shift    done    shift  fi  # Remove `-o $object'.  We will use -o /dev/null later,  # however we can't do the remplacement now because  # `-o $object' might simply not be used  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  "$@" -o /dev/null $dashmflag | sed 's:^[^:]*\:[ 	]*:'"$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 $?  # X makedepend  shift  cleared=no  for arg in "$@"; do    case $cleared in    no)      set ""; shift      cleared=yes ;;    esac    case "$arg" in    -D*|-I*)      set fnord "$@" "$arg"; shift ;;    -*)      ;;    *)      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 proprocessed 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 "$tmpdepfile"  ;;msvisualcpp)  # Important note: in order to support this mode, a compiler *must*  # always write the proprocessed file to stdout, regardless of -o,  # because we must use -o when running libtool.  "$@" || 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  ;;esacexit 0