ltmain.sh

# ltmain.sh - Provide generalized library-building support services.
# NOTE: Changing this file will not affect anything until you rerun ltconfig.
#
# Copyright (C) 1996-1998 Free Software Foundation, Inc.
# Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996
#
# 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 of the License, 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.

# The name of this program.
progname=`$echo "$0" | sed 's%^.*/%%'`
modename="$progname"

# Constants.
PROGRAM=ltmain.sh
PACKAGE=libtool
VERSION=1.2

default_mode=
help="Try \`$progname --help' for more information."
magic="%%%MAGIC variable%%%"
mkdir="mkdir"
mv="mv -f"
rm="rm -f"

# Sed substitution that helps us do robust quoting.  It backslashifies
# metacharacters that are still active within double-quoted strings.
Xsed='sed -e s/^X//'
sed_quote_subst='s/\([\\`\\"$\\\\]\)/\\\1/g'

# NLS nuisances.
# Only set LANG and LC_ALL to C if already set.
# These must not be set unconditionally because not all systems understand
# e.g. LANG=C (notably SCO).
if test "${LC_ALL+set}" = set; then LC_ALL=C; export LC_ALL; fi
if test "${LANG+set}"   = set; then LANG=C;   export LANG;   fi

if test "$LTCONFIG_VERSION" != "$VERSION"; then
  echo "$modename: ltconfig version \`$LTCONFIG_VERSION' does not match $PROGRAM version \`$VERSION'" 1>&2
  echo "Fatal configuration error.  See the $PACKAGE docs for more information." 1>&2
  exit 1
fi

if test "$build_libtool_libs" != yes && test "$build_old_libs" != yes; then
  echo "$modename: not configured to build any kind of library" 1>&2
  echo "Fatal configuration error.  See the $PACKAGE docs for more information." 1>&2
  exit 1
fi

# Global variables.
mode=$default_mode
nonopt=
prev=
prevopt=
run=
show="$echo"
show_help=
execute_dlfiles=

# Parse our command line options once, thoroughly.
while test $# -gt 0
do
  arg="$1"
  shift

  case "$arg" in
  -*=*) optarg=`$echo "X$arg" | $Xsed -e 's/[-_a-zA-Z0-9]*=//'` ;;
  *) optarg= ;;
  esac

  # If the previous option needs an argument, assign it.
  if test -n "$prev"; then
    case "$prev" in
    execute_dlfiles)
      eval "$prev=\"\$$prev \$arg\""
      ;;
    *)
      eval "$prev=\$arg"
      ;;
    esac

    prev=
    prevopt=
    continue
  fi

  # Have we seen a non-optional argument yet?
  case "$arg" in
  --help)
    show_help=yes
    ;;

  --version)
    echo "$PROGRAM (GNU $PACKAGE) $VERSION"
    exit 0
    ;;

  --dry-run | -n)
    run=:
    ;;

  --features)
    echo "host: $host"
    if test "$build_libtool_libs" = yes; then
      echo "enable shared libraries"
    else
      echo "disable shared libraries"
    fi
    if test "$build_old_libs" = yes; then
      echo "enable static libraries"
    else
      echo "disable static libraries"
    fi
    exit 0
    ;;

  --finish) mode="finish" ;;

  --mode) prevopt="--mode" prev=mode ;;
  --mode=*) mode="$optarg" ;;

  --quiet | --silent)
    show=:
    ;;

  -dlopen)
    prevopt="-dlopen"
    prev=execute_dlfiles
    ;;

  -*)
    $echo "$modename: unrecognized option \`$arg'" 1>&2
    $echo "$help" 1>&2
    exit 1
    ;;

  *)
    nonopt="$arg"
    break
    ;;
  esac
done

if test -n "$prevopt"; then
  $echo "$modename: option \`$prevopt' requires an argument" 1>&2
  $echo "$help" 1>&2
  exit 1
fi

if test -z "$show_help"; then

  # Infer the operation mode.
  if test -z "$mode"; then
    case "$nonopt" in
    *cc | *++ | gcc* | *-gcc*)
      mode=link
      for arg
      do
        case "$arg" in
        -c)
           mode=compile
           break
           ;;
        esac
      done
      ;;
    *db | *dbx)
      mode=execute
      ;;
    *install*|cp|mv)
      mode=install
      ;;
    *rm)
      mode=uninstall
      ;;
    *)
      # If we have no mode, but dlfiles were specified, then do execute mode.
      test -n "$execute_dlfiles" && mode=execute

      # Just use the default operation mode.
      if test -z "$mode"; then
        if test -n "$nonopt"; then
          $echo "$modename: warning: cannot infer operation mode from \`$nonopt'" 1>&2
        else
          $echo "$modename: warning: cannot infer operation mode without MODE-ARGS" 1>&2
        fi
      fi
      ;;
    esac
  fi

  # Only execute mode is allowed to have -dlopen flags.
  if test -n "$execute_dlfiles" && test "$mode" != execute; then
    $echo "$modename: unrecognized option \`-dlopen'" 1>&2
    $echo "$help" 1>&2
    exit 1
  fi

  # Change the help message to a mode-specific one.
  generic_help="$help"
  help="Try \`$modename --help --mode=$mode' for more information."

  # These modes are in order of execution frequency so that they run quickly.
  case "$mode" in
  # libtool compile mode
  compile)
    modename="$modename: compile"
    # Get the compilation command and the source file.
    base_compile=
    lastarg=
    srcfile="$nonopt"
    suppress_output=

    for arg
    do
      # Accept any command-line options.
      case "$arg" in
      -o)
	$echo "$modename: you cannot specify the output filename with \`-o'" 1>&2
	$echo "$help" 1>&2
	exit 1
	;;

      -static)
	build_libtool_libs=no
	build_old_libs=yes
	continue
	;;
      esac

      # Accept the current argument as the source file.
      lastarg="$srcfile"
      srcfile="$arg"

      # Aesthetically quote the previous argument.

      # Backslashify any backslashes, double quotes, and dollar signs.
      # These are the only characters that are still specially
      # interpreted inside of double-quoted scrings.
      lastarg=`$echo "X$lastarg" | $Xsed -e "$sed_quote_subst"`

      # Double-quote args containing other shell metacharacters.
      # Many Bourne shells cannot handle close brackets correctly in scan
      # sets, so we specify it separately.
      case "$lastarg" in
      *[\[\~\#\^\&\*\(\)\{\}\|\;\<\>\?\'\ \	]*|*]*)
	lastarg="\"$lastarg\""
	;;
      esac

      # Add the previous argument to base_compile.
      if test -z "$base_compile"; then
	base_compile="$lastarg"
      else
	base_compile="$base_compile $lastarg"
      fi
    done

    # Get the name of the library object.
    libobj=`$echo "X$srcfile" | $Xsed -e 's%^.*/%%'`

    # Recognize several different file suffixes.
    xform='[cCFSfms]'
    case "$libobj" in
    *.ada) xform=ada ;;
    *.adb) xform=adb ;;
    *.ads) xform=ads ;;
    *.asm) xform=asm ;;
    *.c++) xform=c++ ;;
    *.cc) xform=cc ;;
    *.cpp) xform=cpp ;;
    *.cxx) xform=cxx ;;
    *.f90) xform=f90 ;;
    *.for) xform=for ;;
    esac

    libobj=`$echo "X$libobj" | $Xsed -e "s/\.$xform$/.lo/"`

    case "$libobj" in
    *.lo) obj=`$echo "X$libobj" | $Xsed -e 's/\.lo$/.o/'` ;;
    *)
      $echo "$modename: cannot determine name of library object from \`$srcfile'" 1>&2
      exit 1
      ;;
    esac

    if test -z "$base_compile"; then
      $echo "$modename: you must specify a compilation command" 1>&2
      $echo "$help" 1>&2
      exit 1
    fi

    # Delete any leftover library objects.
    if test "$build_old_libs" = yes; then
      $run $rm $obj $libobj
      trap "$run $rm $obj $libobj; exit 1" 1 2 15
    else
      $run $rm $libobj
      trap "$run $rm $libobj; exit 1" 1 2 15
    fi

    # Only build a PIC object if we are building libtool libraries.
    if test "$build_libtool_libs" = yes; then
      # Without this assignment, base_compile gets emptied.
      fbsd_hideous_sh_bug=$base_compile

      # All platforms use -DPIC, to notify preprocessed assembler code.
      $show "$base_compile$pic_flag -DPIC $srcfile"
      if $run eval "$base_compile\$pic_flag -DPIC \$srcfile"; then :
      else
        test -n "$obj" && $run $rm $obj
        exit 1
      fi

      # If we have no pic_flag, then copy the object into place and finish.
      if test -z "$pic_flag"; then
        $show "$LN_S $obj $libobj"
        $run $LN_S $obj $libobj
        exit $?
      fi

      # Just move the object, then go on to compile the next one
      $show "$mv $obj $libobj"
      $run $mv $obj $libobj || exit 1

      # Allow error messages only from the first compilation.
      suppress_output=' >/dev/null 2>&1'
    fi

    # Only build a position-dependent object if we build old libraries.
    if test "$build_old_libs" = yes; then
      # Suppress compiler output if we already did a PIC compilation.
      $show "$base_compile $srcfile$suppress_output"
      if $run eval "$base_compile \$srcfile$suppress_output"; then :
      else
        $run $rm $obj $libobj
        exit 1
      fi
    fi

    # Create an invalid libtool object if no PIC, so that we do not
    # accidentally link it into a program.
    if test "$build_libtool_libs" != yes; then
      $show "echo timestamp > $libobj"
      $run eval "echo timestamp > \$libobj" || exit $?
    fi

    exit 0
    ;;

  # libtool link mode
  link)
    modename="$modename: link"
    CC="$nonopt"
    allow_undefined=yes
    compile_command="$CC"
    finalize_command="$CC"

    compile_shlibpath=
    finalize_shlibpath=
    deplibs=
    dlfiles=
    dlprefiles=
    export_dynamic=no
    hardcode_libdirs=
    libobjs=
    link_against_libtool_libs=
    ltlibs=
    objs=
    prev=
    prevarg=
    release=
    rpath=
    perm_rpath=
    temp_rpath=
    vinfo=

    # We need to know -static, to get the right output filenames.
    for arg
    do
      case "$arg" in
      -all-static | -static)
        if test "X$arg" = "X-all-static" && test "$build_libtool_libs" = yes && test -z "$link_static_flag"; then
	    $echo "$modename: warning: complete static linking is impossible in this configuration" 1>&2
        fi
        build_libtool_libs=no
	build_old_libs=yes
        break
        ;;
      esac
    done

    # See if our shared archives depend on static archives.
    test -n "$old_archive_from_new_cmds" && build_old_libs=yes

    # Go through the arguments, transforming them on the way.
    for arg
    do
      # If the previous option needs an argument, assign it.
      if test -n "$prev"; then
        case "$prev" in
        output)
          compile_command="$compile_command @OUTPUT@"
          finalize_command="$finalize_command @OUTPUT@"
          ;;
        esac

        case "$prev" in
        dlfiles|dlprefiles)
          case "$arg" in
          *.la | *.lo) ;;  # We handle these cases below.
          *)
            dlprefiles="$dlprefiles $arg"
            test "$prev" = dlfiles && dlfiles="$dlfiles $arg"
            prev=
            ;;
          esac
          ;;
	release)
	  release="-$arg"
	  prev=
	  continue
	  ;;
        rpath)
          rpath="$rpath $arg"
	  prev=
	  continue
	  ;;
        *)
          eval "$prev=\"\$arg\""
          prev=
          continue
          ;;
        esac
      fi

      prevarg="$arg"

      case "$arg" in
      -all-static)
	if test -n "$link_static_flag"; then
          compile_command="$compile_command $link_static_flag"
	  finalize_command="$finalize_command $link_static_flag"
        fi
        continue
	;;

      -allow-undefined)
	# FIXME: remove this flag sometime in the future.
	$echo "$modename: \`-allow-undefined' is deprecated because it is the default" 1>&2
	continue
	;;

      -dlopen)
        prev=dlfiles
        continue
        ;;

      -dlpreopen)
        prev=dlprefiles
        continue
        ;;

      -export-dynamic)
        if test "$export_dynamic" != yes; then
          export_dynamic=yes
	  if test -n "$export_dynamic_flag_spec"; then
	    eval arg=\"$export_dynamic_flag_spec\"
	  else
	    arg=
	  fi

          # Add the symbol object into the linking commands.
	  compile_command="$compile_command @SYMFILE@"
	  finalize_command="$finalize_command @SYMFILE@"
        fi
        ;;

      -L*)
        dir=`$echo "X$arg" | $Xsed -e 's%^-L\(.*\)$%\1%'`
        case "$dir" in
        /* | [A-Za-z]:\\*)
	  # Add the corresponding hardcode_libdir_flag, if it is not identical.
          ;;
        *)
          $echo "$modename: \`-L$dir' cannot specify a relative directory" 1>&2
          exit 1
          ;;
        esac
        deplibs="$deplibs $arg"
        ;;

      -l*) deplibs="$deplibs $arg" ;;

      -no-undefined)
	allow_undefined=no
	continue
	;;

      -o) prev=output ;;

      -release)
	prev=release
	continue
	;;

      -rpath)
        prev=rpath
        continue
        ;;

      -static)
	# If we have no pic_flag, then this is the same as -all-static.
	if test -z "$pic_flag" && test -n "$link_static_flag"; then
          compile_command="$compile_command $link_static_flag"
	  finalize_command="$finalize_command $link_static_flag"
        fi
	continue
	;;

      -version-info)
        prev=vinfo
        continue
        ;;

      # Some other compiler flag.
      -* | +*)
	# Unknown arguments in both finalize_command and compile_command need
	# to be aesthetically quoted because they are evaled later.
	arg=`$echo "X$arg" | $Xsed -e "$sed_quote_subst"`
	case "$arg" in
	*[\[\~\#\^\&\*\(\)\{\}\|\;\<\>\?\'\ \	]*|*]*)
	  arg="\"$arg\""
	  ;;
	esac
        ;;

      *.o | *.a)
        # A standard object.
        objs="$objs $arg"
        ;;

      *.lo)
        # A library object.
	if test "$prev" = dlfiles; then
	  dlfiles="$dlfiles $arg"
	  if test "$build_libtool_libs" = yes; then
	    prev=
	    continue
	  else
	    # If libtool objects are unsupported, then we need to preload.
	    prev=dlprefiles
	  fi
	fi

	if test "$prev" = dlprefiles; then
	  # Preload the old-style object.
	  dlprefiles="$dlprefiles "`$echo "X$arg" | $Xsed -e 's/\.lo$/\.o/'`
	  prev=
	fi
	libobjs="$libobjs $arg"
        ;;

      *.la)
        # A libtool-controlled library.

        dlname=
        libdir=
        library_names=
        old_library=

        # Check to see that this really is a libtool archive.
        if (sed -e '2q' $arg | egrep '^# Generated by ltmain\.sh') >/dev/null 2>&1; then :
        else
          $echo "$modename: \`$arg' is not a valid libtool archive" 1>&2
          exit 1
        fi

        # If there is no directory component, then add one.
        case "$arg" in
        */* | *\\*) . $arg ;;
        *) . ./$arg ;;
        esac

        if test -z "$libdir"; then
          $echo "$modename: \`$arg' contains no -rpath information" 1>&2
          exit 1
        fi

        # Get the name of the library we link against.
        linklib=
        for l in $old_library $library_names; do
          linklib="$l"
        done

        if test -z "$linklib"; then
          $echo "$modename: cannot find name of link library for \`$arg'" 1>&2
          exit 1
        fi

        # Find the relevant object directory and library name.
        name=`$echo "X$arg" | $Xsed -e 's%^.*/%%' -e 's/\.la$//' -e 's/^lib//'`
        dir=`$echo "X$arg" | $Xsed -e 's%/[^/]*$%%'`
        if test "X$dir" = "X$arg"; then
          dir="$objdir"
        else
          dir="$dir/$objdir"
        fi

        # This library was specified with -dlopen.
        if test "$prev" = dlfiles; then
          dlfiles="$dlfiles $arg"
          if test -z "$dlname"; then
            # If there is no dlname, we need to preload.
            prev=dlprefiles
          else
            # We should not create a dependency on this library, but we
	    # may need any libraries it requires.
	    compile_command="$compile_command$dependency_libs"
	    finalize_command="$finalize_command$dependency_libs"
            prev=
            continue
          fi
        fi

        # The library was specified with -dlpreopen.
        if test "$prev" = dlprefiles; then
          # Prefer using a static library (so that no silly _DYNAMIC symbols
          # are required to link).
          if test -n "$old_library"; then
            dlprefiles="$dlprefiles $dir/$old_library"
          else
            dlprefiles="$dlprefiles $dir/$linklib"
          fi
          prev=
        fi

        if test "$build_libtool_libs" = yes && test -n "$library_names"; then
          link_against_libtool_libs="$link_against_libtool_libs $arg"
          if test -n "$shlibpath_var"; then
            # Make sure the rpath contains only unique directories.
            case "$temp_rpath " in
            *" $dir "*) ;;
            *) temp_rpath="$temp_rpath $dir" ;;
            esac
          fi

	  # This is the magic to use -rpath.
          if test -n "$hardcode_libdir_flag_spec"; then
            if test -n "$hardcode_libdir_separator"; then
              if test -z "$hardcode_libdirs"; then
                # Put the magic libdir with the hardcode flag.
                hardcode_libdirs="$libdir"
                libdir="@HARDCODE_LIBDIRS@"
              else
                # Just accumulate the unique libdirs.
		case "$hardcode_libdir_separator$hardcode_libdirs$hardcode_libdir_separator" in
		*"$hardcode_libdir_separator$libdir$hardcode_libdir_separator"*)
		  ;;
		*)
		  hardcode_libdirs="$hardcode_libdirs$hardcode_libdir_separator$libdir"
		  ;;
		esac
                libdir=
              fi
            fi

            if test -n "$libdir"; then
              eval flag=\"$hardcode_libdir_flag_spec\"

              compile_command="$compile_command $flag"
              finalize_command="$finalize_command $flag"
            fi
          elif test -n "$runpath_var"; then
            # Do the same for the permanent run path.
            case "$perm_rpath " in
            *" $libdir "*) ;;
            *) perm_rpath="$perm_rpath $libdir" ;;
            esac
          fi


          case "$hardcode_action" in
          immediate)
            if test "$hardcode_direct" = no; then
              compile_command="$compile_command $dir/$linklib"
            elif test "$hardcode_minus_L" = no; then
              compile_command="$compile_command -L$dir -l$name"
            elif test "$hardcode_shlibpath_var" = no; then
              compile_shlibpath="$compile_shlibpath$dir:"
              compile_command="$compile_command -l$name"
            fi
            ;;

          relink)
            # We need an absolute path.
            case "$dir" in
            /* | [A-Za-z]:\\*) ;;
            *)
              absdir=`cd "$dir" && pwd`
              if test -z "$absdir"; then
                $echo "$modename: cannot determine absolute directory name of \`$dir'" 1>&2
                exit 1
              fi
              dir="$absdir"
              ;;
            esac

            if test "$hardcode_direct" = yes; then
              compile_command="$compile_command $dir/$linklib"
            elif test "$hardcode_minus_L" = yes; then
              compile_command="$compile_command -L$dir -l$name"
            elif test "$hardcode_shlibpath_var" = yes; then
              compile_shlibpath="$compile_shlibpath$dir:"
              compile_command="$compile_command -l$name"
            fi
            ;;

          *)
            $echo "$modename: \`$hardcode_action' is an unknown hardcode action" 1>&2
            exit 1
            ;;
          esac

          # Finalize command for both is simple: just hardcode it.
          if test "$hardcode_direct" = yes; then
            finalize_command="$finalize_command $libdir/$linklib"
          elif test "$hardcode_minus_L" = yes; then
            finalize_command="$finalize_command -L$libdir -l$name"
          elif test "$hardcode_shlibpath_var" = yes; then
            finalize_shlibpath="$finalize_shlibpath$libdir:"
            finalize_command="$finalize_command -l$name"
          else
            # We cannot seem to hardcode it, guess we'll fake it.
            finalize_command="$finalize_command -L$libdir -l$name"
          fi
        else
          # Transform directly to old archives if we don't build new libraries.
          if test -n "$pic_flag" && test -z "$old_library"; then
            $echo "$modename: cannot find static library for \`$arg'" 1>&2
            exit 1
          fi

	  # Here we assume that one of hardcode_direct or hardcode_minus_L
	  # is not unsupported.  This is valid on all known static and
	  # shared platforms.
	  if test "$hardcode_direct" != unsupported; then
	    test -n "$old_library" && linklib="$old_library"
	    compile_command="$compile_command $dir/$linklib"
	    finalize_command="$finalize_command $dir/$linklib"
	  else
	    compile_command="$compile_command -L$dir -l$name"
	    finalize_command="$finalize_command -L$dir -l$name"
	  fi
        fi

	# Add in any libraries that this one depends upon.
	compile_command="$compile_command$dependency_libs"
	finalize_command="$finalize_command$dependency_libs"
	continue
        ;;

      # Some other compiler argument.
      *)
	# Unknown arguments in both finalize_command and compile_command need
	# to be aesthetically quoted because they are evaled later.
	arg=`$echo "X$arg" | $Xsed -e "$sed_quote_subst"`
	case "$arg" in
	*[\[\~\#\^\&\*\(\)\{\}\|\;\<\>\?\'\ \	]*|*]*)
	  arg="\"$arg\""
	  ;;
	esac
        ;;
      esac

      # Now actually substitute the argument into the commands.
      if test -n "$arg"; then
	compile_command="$compile_command $arg"
	finalize_command="$finalize_command $arg"
      fi
    done

    if test -n "$prev"; then
      $echo "$modename: the \`$prevarg' option requires an argument" 1>&2
      $echo "$help" 1>&2
      exit 1
    fi

    if test -n "$vinfo" && test -n "$release"; then
      $echo "$modename: you cannot specify both \`-version-info' and \`-release'" 1>&2
      $echo "$help" 1>&2
      exit 1
    fi

    oldlib=
    oldobjs=
    case "$output" in
    "")
      $echo "$modename: you must specify an output file" 1>&2
      $echo "$help" 1>&2
      exit 1
      ;;

    */* | *\\*)
      $echo "$modename: output file \`$output' must have no directory components" 1>&2
      exit 1
      ;;

    *.a)
      # Now set the variables for building old libraries.
      build_libtool_libs=no
      build_old_libs=yes
      oldlib="$output"
      $show "$rm $oldlib"
      $run $rm $oldlib
      ;;

    *.la)
      # Make sure we only generate libraries of the form `libNAME.la'.
      case "$output" in
      lib*) ;;
      *)
	$echo "$modename: libtool library \`$arg' must begin with \`lib'" 1>&2
	$echo "$help" 1>&2
	exit 1
	;;
      esac

      name=`$echo "X$output" | $Xsed -e 's/\.la$//' -e 's/^lib//'`
      eval libname=\"$libname_spec\"

      # All the library-specific variables (install_libdir is set above).
      library_names=
      old_library=
      dlname=
      current=0
      revision=0
      age=0

      if test -n "$objs"; then
        $echo "$modename: cannot build libtool library \`$output' from non-libtool objects:$objs" 2>&1
        exit 1
      fi

      # How the heck are we supposed to write a wrapper for a shared library?
      if test -n "$link_against_libtool_libs"; then
        $echo "$modename: libtool library \`$output' may not depend on uninstalled libraries:$link_against_libtool_libs" 1>&2
        exit 1
      fi

      if test -n "$dlfiles$dlprefiles"; then
        $echo "$modename: warning: \`-dlopen' is ignored while creating libtool libraries" 1>&2
        # Nullify the symbol file.
        compile_command=`$echo "X$compile_command" | $Xsed -e "s% @SYMFILE@%%"`
        finalize_command=`$echo "X$finalize_command" | $Xsed -e "s% @SYMFILE@%%"`
      fi

      if test -z "$rpath"; then
        $echo "$modename: you must specify an installation directory with \`-rpath'" 1>&2
	$echo "$help" 1>&2
        exit 1
      fi

      set dummy $rpath
      if test $# -gt 2; then
	$echo "$modename: warning: ignoring multiple \`-rpath's for a libtool library" 1>&2
      fi
      install_libdir="$2"

      # Parse the version information argument.
      IFS="${IFS= 	}"; save_ifs="$IFS"; IFS=':'
      set dummy $vinfo
      IFS="$save_ifs"

      if test -n "$5"; then
        $echo "$modename: too many parameters to \`-version-info'" 1>&2
        $echo "$help" 1>&2
        exit 1
      fi

      test -n "$2" && current="$2"
      test -n "$3" && revision="$3"
      test -n "$4" && age="$4"

      # Check that each of the things are valid numbers.
      case "$current" in
      0 | [1-9] | [1-9][0-9]*) ;;
      *)
        $echo "$modename: CURRENT \`$current' is not a nonnegative integer" 1>&2
        $echo "$modename: \`$vinfo' is not valid version information" 1>&2
        exit 1
        ;;
      esac

      case "$revision" in
      0 | [1-9] | [1-9][0-9]*) ;;
      *)
        $echo "$modename: REVISION \`$revision' is not a nonnegative integer" 1>&2
        $echo "$modename: \`$vinfo' is not valid version information" 1>&2
        exit 1
        ;;
      esac

      case "$age" in
      0 | [1-9] | [1-9][0-9]*) ;;
      *)
        $echo "$modename: AGE \`$age' is not a nonnegative integer" 1>&2
        $echo "$modename: \`$vinfo' is not valid version information" 1>&2
        exit 1
        ;;
      esac

      if test $age -gt $current; then
        $echo "$modename: AGE \`$age' is greater than the current interface number \`$current'" 1>&2
        $echo "$modename: \`$vinfo' is not valid version information" 1>&2
        exit 1
      fi

      # Calculate the version variables.
      version_vars="version_type current age revision"
      case "$version_type" in
      none) ;;

      linux)
        version_vars="$version_vars major versuffix"
        major=`expr $current - $age`
        versuffix="$major.$age.$revision"
        ;;

      osf)
        version_vars="$version_vars versuffix verstring"
        major=`expr $current - $age`
        versuffix="$current.$age.$revision"
        verstring="$versuffix"

        # Add in all the interfaces that we are compatible with.
        loop=$age
        while test $loop != 0; do
          iface=`expr $current - $loop`
          loop=`expr $loop - 1`
          verstring="$verstring:${iface}.0"
        done

        # Make executables depend on our current version.
        verstring="$verstring:${current}.0"
        ;;

      sunos)
        version_vars="$version_vars major versuffix"
        major="$current"
        versuffix="$current.$revision"
        ;;

      freebsd)
        version_vars="$version_vars major versuffix"
        major="$current"
		
	if [ X"$OBJFORMAT" = X ]; then
		if [ -x /usr/bin/objformat ]; then
			OBJECTFORMAT=`objformat`
		fi
	fi
		
	if [ "$OBJFORMAT" = elf ]; then
		versuffix="$current";
	else
		versuffix="$current.$revision";
	fi
        ;;

      *)
        $echo "$modename: unknown library version type \`$version_type'" 1>&2
        echo "Fatal configuration error.  See the $PACKAGE docs for more information." 1>&2
        exit 1
        ;;
      esac

      # Create the output directory, or remove our outputs if we need to.
      if test -d $objdir; then
        $show "$rm $objdir/$output $objdir/$libname.* $objdir/${libname}${release}.*"
        $run $rm $objdir/$output $objdir/$libname.* $objdir/${libname}${release}.*
      else
        $show "$mkdir $objdir"
        $run $mkdir $objdir