ltmain.sh

移植到WLIT项目的redboot源代码

	    echo "*** The inter-library dependencies that have been dropped here will be"
	    echo "*** automatically added whenever a program is linked with this library"
	    echo "*** or is declared to -dlopen it."
	  fi
	fi
      fi

      # test again, we may have decided not to build it any more
      if test "$build_libtool_libs" = yes; then
	deplibs=$newdeplibs
	# Done checking deplibs!
 
	# Get the real and link names of the library.
	eval library_names=\"$library_names_spec\"
	set dummy $library_names
	realname="$2"
	shift; shift

	if test -n "$soname_spec"; then
	  eval soname=\"$soname_spec\"
	else
	  soname="$realname"
	fi

	lib="$output_objdir/$realname"
	for link
	do
	  linknames="$linknames $link"
	done

	# Ensure that we have .o objects for linkers which dislike .lo
	# (e.g. aix) incase we are running --disable-static
	for obj in $libobjs; do
	  oldobj=`$echo "X$obj" | $Xsed -e "$lo2o"`
	  test -f $oldobj || ${LN_S} $obj $oldobj
	done

	# Use standard objects if they are pic
	test -z "$pic_flag" && libobjs=`$echo "X$libobjs" | $SP2NL | $Xsed -e "$lo2o" | $NL2SP`

	if test -n "$whole_archive_flag_spec"; then
	  if test -n "$convenience"; then
	    eval libobjs=\"\$libobjs $whole_archive_flag_spec\"
	  fi
	else
	  for xlib in $convenience; do
	    # Extract the objects.
	    xdir="$xlib"x
	    generated="$generated $xdir"
	    xlib=`$echo "X$xlib" | $Xsed -e 's%^.*/%%'`

	    $show "${rm}r $xdir"
	    $run ${rm}r "$xdir"
	    $show "mkdir $xdir"
	    $run mkdir "$xdir"
	    status=$?
	    if test $status -ne 0 && test ! -d "$xdir"; then
	      exit $status
	    fi
	    $show "(cd $xdir && $AR x ../$xlib)"
	    $run eval "(cd \$xdir && $AR x ../\$xlib)" || exit $?

	    libobjs="$libobjs "`find $xdir -name \*.o -print -o -name \*.lo -print | $NL2SP`
	  done
	fi

	if test "$thread_safe" = yes && test -n "$thread_safe_flag_spec"; then
	  eval flag=\"$thread_safe_flag_spec\"

	  linkopts="$linkopts $flag"
	fi

	# Prepare the list of exported symbols
	if test -z "$export_symbols"; then
	  if test "$always_export_symbols" = yes || test -n "$export_symbols_regex"; then
	    $show "generating symbol list for \`$libname.la'"
	    export_symbols="$objdir/$libname.exp"
	    $run $rm $export_symbols
	    eval cmds=\"$export_symbols_cmds\"
	    IFS="${IFS= 	}"; save_ifs="$IFS"; IFS='~'
	    for cmd in $cmds; do
	      IFS="$save_ifs"
	      $show "$cmd"
	      $run eval "$cmd" || exit $?
	    done
	    IFS="$save_ifs"
	    if test -n "$export_symbols_regex"; then
	      $show "egrep -e \"$export_symbols_regex\" \"$export_symbols\" > \"${export_symbols}T\""
	      $run eval 'egrep -e "$export_symbols_regex" "$export_symbols" > "${export_symbols}T"'
	      $show "$mv \"${export_symbols}T\" \"$export_symbols\""
	      $run eval '$mv "${export_symbols}T" "$export_symbols"'
	    fi
	  fi
	fi

	if test -n "$export_symbols" && test -n "$include_expsyms"; then
	  $run eval '$echo "X$include_expsyms" | $SP2NL >> "$export_symbols"'
	fi

	# Do each of the archive commands.
	if test -n "$export_symbols" && test -n "$archive_expsym_cmds"; then
	  eval cmds=\"$archive_expsym_cmds\"
	else
	  eval cmds=\"$archive_cmds\"
	fi
	IFS="${IFS= 	}"; save_ifs="$IFS"; IFS='~'
	for cmd in $cmds; do
	  IFS="$save_ifs"
	  $show "$cmd"
	  $run eval "$cmd" || exit $?
	done
	IFS="$save_ifs"

	# Create links to the real library.
	for linkname in $linknames; do
	  if test "$realname" != "$linkname"; then
	    $show "(cd $output_objdir && $rm $linkname && $LN_S $realname $linkname)"
	    $run eval '(cd $output_objdir && $rm $linkname && $LN_S $realname $linkname)' || exit $?
	  fi
	done

	# If -module or -export-dynamic was specified, set the dlname.
	if test "$module" = yes || test "$export_dynamic" = yes; then
	  # On all known operating systems, these are identical.
	  dlname="$soname"
	fi
      fi
      ;;

    *.lo | *.o | *.obj)
      if test -n "$link_against_libtool_libs"; then
	$echo "$modename: error: cannot link libtool libraries into objects" 1>&2
	exit 1
      fi

      if test -n "$deplibs"; then
	$echo "$modename: warning: \`-l' and \`-L' are ignored for objects" 1>&2
      fi

      if test -n "$dlfiles$dlprefiles"; then
	$echo "$modename: warning: \`-dlopen' is ignored for objects" 1>&2
      fi

      if test -n "$rpath"; then
	$echo "$modename: warning: \`-rpath' is ignored for objects" 1>&2
      fi

      if test -n "$xrpath"; then
	$echo "$modename: warning: \`-R' is ignored for objects" 1>&2
      fi

      if test -n "$vinfo"; then
	$echo "$modename: warning: \`-version-info' is ignored for objects" 1>&2
      fi

      if test -n "$release"; then
	$echo "$modename: warning: \`-release' is ignored for objects" 1>&2
      fi

      case "$output" in
      *.lo)
	if test -n "$objs"; then
	  $echo "$modename: cannot build library object \`$output' from non-libtool objects" 1>&2
	  exit 1
	fi
	libobj="$output"
	obj=`$echo "X$output" | $Xsed -e "$lo2o"`
	;;
      *)
	libobj=
	obj="$output"
	;;
      esac

      # Delete the old objects.
      $run $rm $obj $libobj

      # Create the old-style object.
      reload_objs="$objs "`$echo "X$libobjs" | $SP2NL | $Xsed -e '/\.'${libext}$'/d' -e '/\.lib$/d' -e "$lo2o" | $NL2SP`

      output="$obj"
      eval cmds=\"$reload_cmds\"
      IFS="${IFS= 	}"; save_ifs="$IFS"; IFS='~'
      for cmd in $cmds; do
	IFS="$save_ifs"
	$show "$cmd"
	$run eval "$cmd" || exit $?
      done
      IFS="$save_ifs"

      # Exit if we aren't doing a library object file.
      test -z "$libobj" && exit 0

      if test "$build_libtool_libs" != yes; then
	# Create an invalid libtool object if no PIC, so that we don't
	# accidentally link it into a program.
	$show "echo timestamp > $libobj"
	$run eval "echo timestamp > $libobj" || exit $?
	exit 0
      fi

      if test -n "$pic_flag"; then
	# Only do commands if we really have different PIC objects.
	reload_objs="$libobjs"
	output="$libobj"
	eval cmds=\"$reload_cmds\"
	IFS="${IFS= 	}"; save_ifs="$IFS"; IFS='~'
	for cmd in $cmds; do
	  IFS="$save_ifs"
	  $show "$cmd"
	  $run eval "$cmd" || exit $?
	done
	IFS="$save_ifs"
      else
	# Just create a symlink.
	$show $rm $libobj
	$run $rm $libobj
	$show "$LN_S $obj $libobj"
	$run $LN_S $obj $libobj || exit $?
      fi

      exit 0
      ;;

    # Anything else should be a program.
    *)
      if test -n "$vinfo"; then
	$echo "$modename: warning: \`-version-info' is ignored for programs" 1>&2
      fi

      if test -n "$release"; then
	$echo "$modename: warning: \`-release' is ignored for programs" 1>&2
      fi

      if test "$preload" = yes; then
	if test "$dlopen" = unknown && test "$dlopen_self" = unknown &&
	   test "$dlopen_self_static" = unknown; then
	  $echo "$modename: warning: \`AC_LIBTOOL_DLOPEN' not used. Assuming no dlopen support."
	fi 
      fi
    
      if test "$dlself" = yes && test "$export_dynamic" = no; then
	$echo "$modename: error: \`-dlopen self' requires \`-export-dynamic'" 1>&2
	exit 1
      fi

      if test -n "$rpath$xrpath"; then
	# If the user specified any rpath flags, then add them.
	for libdir in $rpath $xrpath; do
	  # This is the magic to use -rpath.
	  case "$compile_rpath " in
	  *" $libdir "*) ;;
	  *) compile_rpath="$compile_rpath $libdir" ;;
	  esac
	  case "$finalize_rpath " in
	  *" $libdir "*) ;;
	  *) finalize_rpath="$finalize_rpath $libdir" ;;
	  esac
	done
      fi

      # Now hardcode the library paths
      rpath=
      hardcode_libdirs=
      for libdir in $compile_rpath $finalize_rpath; do
	if test -n "$hardcode_libdir_flag_spec"; then
	  if test -n "$hardcode_libdir_separator"; then
	    if test -z "$hardcode_libdirs"; then
	      hardcode_libdirs="$libdir"
	    else
	      # Just accumulate the unique libdirs.
	      case "$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
	    fi
	  else
	    eval flag=\"$hardcode_libdir_flag_spec\"

	    rpath="$rpath $flag"
	  fi
	elif test -n "$runpath_var"; then
	  case "$perm_rpath " in
	  *" $libdir "*) ;;
	  *) perm_rpath="$perm_rpath $libdir" ;;
	  esac
	fi
      done
      # Substitute the hardcoded libdirs into the rpath.
      if test -n "$hardcode_libdir_separator" &&
	 test -n "$hardcode_libdirs"; then
	libdir="$hardcode_libdirs"
	eval rpath=\" $hardcode_libdir_flag_spec\"
      fi
      compile_rpath="$rpath"

      rpath=
      hardcode_libdirs=
      for libdir in $finalize_rpath; do
	if test -n "$hardcode_libdir_flag_spec"; then
	  if test -n "$hardcode_libdir_separator"; then
	    if test -z "$hardcode_libdirs"; then
	      hardcode_libdirs="$libdir"
	    else
	      # Just accumulate the unique libdirs.
	      case "$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
	    fi
	  else
	    eval flag=\"$hardcode_libdir_flag_spec\"

	    rpath="$rpath $flag"
	  fi
	elif test -n "$runpath_var"; then
	  case "$finalize_perm_rpath " in
	  *" $libdir "*) ;;
	  *) finalize_perm_rpath="$finalize_perm_rpath $libdir" ;;
	  esac
	fi
      done
      # Substitute the hardcoded libdirs into the rpath.
      if test -n "$hardcode_libdir_separator" &&
	 test -n "$hardcode_libdirs"; then
	libdir="$hardcode_libdirs"
	eval rpath=\" $hardcode_libdir_flag_spec\"
      fi
      finalize_rpath="$rpath"

      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

      if test -n "$libobjs" && test "$build_old_libs" = yes; then
	# Transform all the library objects into standard objects.
	compile_command=`$echo "X$compile_command" | $SP2NL | $Xsed -e "$lo2o" | $NL2SP`
	finalize_command=`$echo "X$finalize_command" | $SP2NL | $Xsed -e "$lo2o" | $NL2SP`
      fi

      dlsyms=
      if test -n "$dlfiles$dlprefiles" || test "$dlself" = yes; then
	if test -n "$NM" && test -n "$global_symbol_pipe"; then
	  dlsyms="${outputname}S.c"
	else
	  $echo "$modename: not configured to extract global symbols from dlpreopened files" 1>&2
	fi
      fi

      if test -n "$dlsyms"; then
	case "$dlsyms" in
	"") ;;
	*.c)
	  # Discover the nlist of each of the dlfiles.
	  nlist="$objdir/${output}.nm"

	  if test -d $objdir; then
	    $show "$rm $nlist ${nlist}S ${nlist}T"
	    $run $rm "$nlist" "${nlist}S" "${nlist}T"
	  else
	    $show "$mkdir $objdir"
	    $run $mkdir $objdir
	    status=$?
	    if test $status -ne 0 && test ! -d $objdir; then
	      exit $status
	    fi
	  fi

	  # Parse the name list into a source file.
	  $show "creating $objdir/$dlsyms"

	  $echo > "$objdir/$dlsyms" "\
/* $dlsyms - symbol resolution table for \`$outputname' dlsym emulation. */
/* Generated by $PROGRAM - GNU $PACKAGE $VERSION$TIMESTAMP */

#ifdef __cplusplus
extern \"C\" {
#endif

/* Prevent the only kind of declaration conflicts we can make. */
#define lt_preloaded_symbols some_other_symbol

/* External symbol declarations for the compiler. */\
"

	  if test "$dlself" = yes; then
	    $show "generating symbol list for \`$output'"

	    echo ': @PROGRAM@ ' > "$nlist"

	    # Add our own program objects to the symbol list.
	    progfiles=`$echo "X$objs" | $SP2NL | $Xsed -e "$lo2o" | $NL2SP`
	    for arg in $progfiles; do
	      $show "extracting global C symbols from \`$arg'"
	      $run eval "$NM $arg | $global_symbol_pipe >> '$nlist'"
	    done

	    if test -n "$exclude_expsyms"; then
	      $run eval 'egrep -v " ($exclude_expsyms)$" "$nlist" > "$nlist"T'
	      $run eval '$mv "$nlist"T "$nlist"'
	    fi
	    
	    if test -n "$export_symbols_regex"; then
	      $run eval 'egrep -e "$export_symbols_regex" "$nlist" > "$nlist"T'
	      $run eval '$mv "$nlist"T "$nlist"'
	    fi

	    # Prepare the list of exported symbols
	    if test -z "$export_symbols"; then
	      export_symbols="$objdir/$output.exp"
	      $run $rm $export_symbols
	      $run eval "sed -n -e '/^: @PROGRAM@$/d' -e 's/^.* \(.*\)$/\1/p' "'< "$nlist" > "$export_symbols"'
	    else
	      $run $rm $export_symbols
	      $run eval "sed -e 's/\([][.*^$]\)/\\\1/g' -e 's/^/ /' -e 's/$/$/'"' < "$export_symbols" > "$objdir/$output.exp"'
	      $run eval 'grep -f "$objdir/$output.exp" < "$nlist" > "$nlist"T'
	      $run eval 'mv "$nlist"T "$nlist"'
	    fi
	  fi

	  for arg in $dlprefiles; do
	    $show "extracting global C symbols from \`$arg'"
	    name=`echo "$arg" | sed -e 's%^.*/%%'`
	    $run eval 'echo ": $name " >> "$nlist"'
	    $run eval "$NM $arg | $global_symbol_pipe >> '$nlist'"
	  done

	  if test -z "$run"; then
	    # Make sure we have at least an empty file.
	    test -f "$nlist" || : > "$nlist"

	    if test -n "$exclude_expsyms"; then
	      egrep -v " ($exclude_expsyms)$" "$nlist" > "$nlist"T
	      $mv "$nlist"T "$nlist"
	    fi

	    # Try sorting and uniquifying the output.
	    if grep -v "^: " < "$nlist" | sort +2 | uniq > "$nlist"S; then
	      :
	    else
	      grep -v "^: " < "$nlist" > "$nlist"S
	    fi

	    if test -f "$nlist"S; then
	      eval "$global_symbol_to_cdecl"' < "$nlist"S >> "$output_objdir/$dlsyms"'
	    else
	      echo '/* NONE */' >> "$output_objdir/$dlsyms"
	    fi

	    $echo >> "$output_objdir/$dlsyms" "\

#undef lt_preloaded_symbols

#if defined (__STDC__) && __STDC__
# define lt_ptr_t void *
#else
# define lt_ptr_t char *
# define const
#endif

/* The mapping between symbol names and symbols. */
const struct {
  const char *name;
  lt_ptr_t address;
}
lt_preloaded_symbols[] =
{\
"

	    sed -n -e 's/^: \([^ ]*\) $/  {\"\1\", (lt_ptr_t) 0},/p' \
		-e 's/^.