ltmain.sh

查看局域网的信息,类似网上邻居的功能,例如查看哪台计算机在线等

      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
	;;

      -avoid-version)
	avoid_version=yes
	continue
	;;

      -dlopen)
	prev=dlfiles
	continue
	;;

      -dlpreopen)
	prev=dlprefiles
	continue
	;;

      -export-dynamic)
	export_dynamic=yes
	continue
	;;

      -export-symbols | -export-symbols-regex)
	if test -n "$export_symbols" || test -n "$export_symbols_regex"; then
	  $echo "$modename: not more than one -exported-symbols argument allowed"
	  exit 1
	fi
	if test "X$arg" = "X-export-symbols"; then
	  prev=expsyms
	else
	  prev=expsyms_regex
	fi
	continue
	;;

      -L*)
	dir=`$echo "X$arg" | $Xsed -e 's/^-L//'`
	# We need an absolute path.
	case "$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
	case "$deplibs " in
	*" -L$dir "*) ;;
	*)
	  deplibs="$deplibs -L$dir"
	  lib_search_path="$lib_search_path $dir"
	  ;;
	esac
	case "$host" in
	*-*-cygwin* | *-*-mingw* | *-*-os2*)
	  case ":$dllsearchpath:" in
	  *":$dir:"*) ;;
	  *) dllsearchpath="$dllsearchpath:$dir";;
	  esac
	  ;;
	esac
	continue
	;;

      -l*)
	if test "$arg" = "-lc"; then
	  case "$host" in
	  *-*-cygwin* | *-*-mingw* | *-*-os2* | *-*-beos*)
	    # These systems don't actually have c library (as such)
	    continue
	    ;;
	  esac
	elif test "$arg" = "-lm"; then
	  case "$host" in
	  *-*-cygwin* | *-*-beos*)
	    # These systems don't actually have math library (as such)
	    continue
	    ;;
	  esac
	fi
	deplibs="$deplibs $arg"
	continue
	;;

      -module)
	module=yes
	continue
	;;

      -no-fast-install)
	fast_install=no
	continue
	;;

      -no-install)
	case "$host" in
	*-*-cygwin* | *-*-mingw* | *-*-os2*)
	  # The PATH hackery in wrapper scripts is required on Windows
	  # in order for the loader to find any dlls it needs.
	  $echo "$modename: warning: \`-no-install' is ignored for $host" 1>&2
	  $echo "$modename: warning: assuming \`-no-fast-install' instead" 1>&2
	  fast_install=no
	  ;;
	*-*-rhapsody*)
	  # rhapsody is a little odd...
	  deplibs="$deplibs -framework System"
	  ;;
	*)
	  no_install=yes
	  ;;
	esac
	continue
	;;

      -no-undefined)
	allow_undefined=no
	continue
	;;

      -o) prev=output ;;

      -release)
	prev=release
	continue
	;;

      -rpath)
	prev=rpath
	continue
	;;

      -R)
	prev=xrpath
	continue
	;;

      -R*)
	dir=`$echo "X$arg" | $Xsed -e 's/^-R//'`
	# We need an absolute path.
	case "$dir" in
	[\\/]* | [A-Za-z]:[\\/]*) ;;
	*)
	  $echo "$modename: only absolute run-paths are allowed" 1>&2
	  exit 1
	  ;;
	esac
	case "$xrpath " in
	*" $dir "*) ;;
	*) xrpath="$xrpath $dir" ;;
	esac
	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
	;;

      -thread-safe)
	thread_safe=yes
	continue
	;;

      -version-info)
	prev=vinfo
	continue
	;;

      -Wc,*)
	args=`$echo "X$arg" | $Xsed -e "$sed_quote_subst" -e 's/^-Wc,//'`
	arg=
	IFS="${IFS= 	}"; save_ifs="$IFS"; IFS=','
	for flag in $args; do
	  IFS="$save_ifs"
	  case "$flag" in
	    *[\[\~\#\^\&\*\(\)\{\}\|\;\<\>\?\'\ \	]*|*]*|"")
	    flag="\"$flag\""
	    ;;
	  esac
	  arg="$arg $wl$flag"
	  compiler_flags="$compiler_flags $flag"
	done
	IFS="$save_ifs"
	arg=`$echo "X$arg" | $Xsed -e "s/^ //"`
	;;

      -Wl,*)
	args=`$echo "X$arg" | $Xsed -e "$sed_quote_subst" -e 's/^-Wl,//'`
	arg=
	IFS="${IFS= 	}"; save_ifs="$IFS"; IFS=','
	for flag in $args; do
	  IFS="$save_ifs"
	  case "$flag" in
	    *[\[\~\#\^\&\*\(\)\{\}\|\;\<\>\?\'\ \	]*|*]*|"")
	    flag="\"$flag\""
	    ;;
	  esac
	  arg="$arg $wl$flag"
	  compiler_flags="$compiler_flags $wl$flag"
	  linker_flags="$linker_flags $flag"
	done
	IFS="$save_ifs"
	arg=`$echo "X$arg" | $Xsed -e "s/^ //"`
	;;

      -Xcompiler)
	prev=xcompiler
	continue
	;;

      -Xlinker)
	prev=xlinker
	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
	;;

      *.$objext)
	# A standard object.
	objs="$objs $arg"
	;;

      *.lo)
	# A libtool-controlled object.

	# Check to see that this really is a libtool object.
	if (sed -e '2q' $arg | egrep "^# Generated by .*$PACKAGE") >/dev/null 2>&1; then
          pic_object=
          non_pic_object=

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

          if test -z "$pic_object" || \
             test -z "$non_pic_object" ||
             test "$pic_object" = none && \
             test "$non_pic_object" = none; then
            $echo "$modename: cannot find name of object for \`$arg'" 1>&2
            exit 1
          fi

	  # Extract subdirectory from the argument.
	  xdir=`$echo "X$arg" | $Xsed -e 's%/[^/]*$%%'`
	  if test "X$xdir" = "X$arg"; then
	    xdir=
	  else
	    xdir="$xdir/"
	  fi

          if test "$pic_object" != none; then
            # Prepend the subdirectory the object is found in.
	    pic_object="$xdir$pic_object"

	    if test "$prev" = dlfiles; then
	      if test "$build_libtool_libs" = yes && test "$dlopen_support" = yes; then
	        dlfiles="$dlfiles $pic_object"
	        prev=
	        continue
	      else
	        # If libtool objects are unsupported, then we need to preload.
	        prev=dlprefiles
	      fi
	    fi

	    # CHECK ME:  I think I busted this.  -Ossama
            if test "$prev" = dlprefiles; then
	      # Preload the old-style object.
	      dlprefiles="$dlprefiles $pic_object"
	      prev=
            fi

            # A PIC object.
	    libobjs="$libobjs $pic_object"
	    arg="$pic_object"
          fi

          # Non-PIC object.
          if test "$non_pic_object" != none; then
            # Prepend the subdirectory the object is found in.
	    non_pic_object="$xdir$non_pic_object"

            # A standard non-PIC object
            non_pic_objects="$non_pic_objects $non_pic_object"
            if test -z "$pic_object" || test "$pic_object" = none ; then
              arg="$non_pic_object"
            fi
          fi
        else
          # Only an error if not doing a dry-run.
          if test -z "$run"; then
            $echo "$modename: \`$arg' is not a valid libtool object" 1>&2
            exit 1
          else
            # Dry-run case.

	    # Extract subdirectory from the argument.
	    xdir=`$echo "X$arg" | $Xsed -e 's%/[^/]*$%%'`
	    if test "X$xdir" = "X$arg"; then
	      xdir=
	    else
	      xdir="$xdir/"
	    fi

            pic_object=`$echo "X${xdir}${objdir}/${arg}" | $Xsed -e "$lo2o"`
            non_pic_object=`$echo "X${xdir}${arg}" | $Xsed -e "$lo2o"`
	    libobjs="$libobjs $pic_object"
            non_pic_objects="$non_pic_objects $non_pic_object"
          fi
	fi
	;;

      *.$libext)
	# An archive.
	deplibs="$deplibs $arg"
	old_deplibs="$old_deplibs $arg"
	continue
	;;

      *.la)
	# A libtool-controlled library.

	if test "$prev" = dlfiles; then
	  # This library was specified with -dlopen.
	  dlfiles="$dlfiles $arg"
	  prev=
	elif test "$prev" = dlprefiles; then
	  # The library was specified with -dlpreopen.
	  dlprefiles="$dlprefiles $arg"
	  prev=
	else
	  deplibs="$deplibs $arg"
	fi
	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

    # Infer tagged configuration to use if any are available and
    # if one wasn't chosen via the "--tag" command line option.
    # Only attempt this if the compiler in the base link
    # command doesn't match the default compiler.
    if test -n "$available_tags" && test -z "$tagname"; then
      case $base_compile in
      "$CC "*) ;;
      # Blanks in the command may have been stripped by the calling shell,
      # but not from the CC environment variable when ltconfig was run.
      "`$echo X$CC | $Xsed` "*) ;;
      *)
        for z in $available_tags; do
          if grep "^### BEGIN LIBTOOL TAG CONFIG: $z$" < "$0" > /dev/null; then
	    # Evaluate the configuration.
	    eval "`sed -n -e '/^### BEGIN LIBTOOL TAG CONFIG: '$z'$/,/^### END LIBTOOL TAG CONFIG: '$z'$/p' < $0`"
            case $base_compile in
	    "$CC "*)
              # The compiler in $compile_command matches
              # the one in the tagged configuration.
              # Assume this is the tagged configuration we want.
              tagname=$z
              break
	      ;;
	    "`$echo X$CC | $Xsed` "*)
	      tagname=$z
	      break
	      ;;
	    esac
          fi
        done
        # If $tagname still isn't set, then no tagged configuration
        # was found and let the user know that the "--tag" command
        # line option must be used.
        if test -z "$tagname"; then
          echo "$modename: unable to infer tagged configuration"
          echo "$modename: specify a tag with \`--tag'" 1>&2
	  exit 1
#       else
#         echo "$modename: using $tagname tagged configuration"
        fi
	;;
      esac
    fi

    if test "$export_dynamic" = yes && test -n "$export_dynamic_flag_spec"; then
      eval arg=\"$export_dynamic_flag_spec\"
      compile_command="$compile_command $arg"
      finalize_command="$finalize_command $arg"
    fi

    oldlibs=
    # calculate the name of the file, without its directory
    outputname=`$echo "X$output" | $Xsed -e 's%^.*/%%'`
    libobjs_save="$libobjs"

    if test -n "$shlibpath_var"; then
      # get the directories listed in $shlibpath_var
      eval shlib_search_path=\`\$echo \"X\${$shlibpath_var}\" \| \$Xsed -e \'s/:/ /g\'\`
    else
      shlib_search_path=
    fi
    eval sys_lib_search_path=\"$sys_lib_search_path_spec\"
    eval sys_lib_dlsearch_path=\"$sys_lib_dlsearch_path_spec\"

    output_objdir=`$echo "X$output" | $Xsed -e 's%/[^/]*$%%'`
    if test "X$output_objdir" = "X$output"; then
      output_objdir="$objdir"
    else
      output_objdir="$output_objdir/$objdir"
    fi
    # Create the object directory.
    if test ! -d $output_objdir; then
      $show "$mkdir $output_objdir"
      $run $mkdir $output_objdir
      status=$?
      if test $status -ne 0 && test ! -d $output_objdir; then
	exit $status
      fi
    fi

    # Determine the type of output
    case "$output" in
    "")
      $echo "$modename: you must specify an output file" 1>&2
      $echo "$help" 1>&2
      exit 1
      ;;
    *.$libext) linkmode=oldlib ;;
    *.lo | *.$objext) linkmode=obj ;;
    *.la) linkmode=lib ;;
    *) linkmode=prog ;; # Anything else should be a program.
    esac

    specialdeplibs=
    libs=
    # Find all interdependent deplibs by searching for libraries
    # that are linked more than once (e.g. -la -lb -la)
    for deplib in $deplibs; do
      case "$libs " in
      *" $deplib "*) specialdeplibs="$specialdeplibs $deplib" ;;
      esac
      libs="$libs $deplib"
    done

    if test $linkmode = lib; then