ltmain.sh

Linux下fuse用户文件系统的的源代码

			  *) func_error "invalid argument for $opt"
			     exit_cmd=exit
			     break
			     ;;
		        esac

	    		mode="$1"
			shift
			;;

      --preserve-dup-deps)
      			opt_duplicate_deps=:				;;

      --quiet|--silent)	preserve_args="$preserve_args $opt"
	    		opt_silent=:
			;;

      --verbose| -v)	preserve_args="$preserve_args $opt"
	    		opt_silent=false
			;;

      --tag)		test "$#" -eq 0 && func_missing_arg "$opt" && break
			preserve_args="$preserve_args $opt $1"
			func_enable_tag "$1"	# tagname is set here
			shift
			;;

      # Separate optargs to long options:
      -dlopen=*|--mode=*|--tag=*)
			arg=`$ECHO "X$opt" | $Xsed -e "$my_sed_long_arg"`
			opt=`$ECHO "X$opt" | $Xsed -e "$my_sed_long_opt"`
			set dummy "$opt" "$arg" ${1+"$@"}
			shift
			;;

      # Separate optargs to short options:
#      -x*|-y*)
#			arg=`$ECHO "X$opt" |$Xsed -e "$my_sed_single_rest"`
#			opt=`$ECHO "X$opt" |$Xsed -e "$my_sed_single_opt"`
#			set dummy "$opt" "$arg" ${1+"$@"}
#			shift
#			;;

      # Separate non-argument short options:
#      -z*|-z*|-y*)
#			rest=`$ECHO "X$opt" |$Xsed -e "$my_sed_single_rest"`
#			opt=`$ECHO "X$opt" |$Xsed -e "$my_sed_single_opt"`
#			set dummy "$opt" "-$rest" ${1+"$@"}
#			shift
#			;;

      -\?|-h)		func_usage					;;
      --help)		opt_help=:					;;
      --version)	func_version					;;

      -*)		func_fatal_help "unrecognized option \`$opt'"	;;

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

  # Now that we've collected a possible --mode arg, show help if necessary
  $opt_help && func_mode_help

  case $host in
    *cygwin* | *mingw* | *pw32*)
      # don't eliminate duplications in $postdeps and $predeps
      opt_duplicate_compiler_generated_deps=:
      ;;
    *)
      opt_duplicate_compiler_generated_deps=$opt_duplicate_deps
      ;;
  esac

  # Having warned about all mis-specified options, bail out if
  # anything was wrong.
  $exit_cmd $EXIT_FAILURE
}
# TEST SUITE MARKER ## BEGIN SOURCABLE

# func_check_version_match
# Ensure that we are using m4 macros, and libtool script from the same
# release of libtool.
func_check_version_match ()
{
  if test "$package_revision" != "$macro_revision"; then
    if test "$VERSION" != "$macro_version"; then
      if test -z "$macro_version"; then
        cat >&2 <<_LT_EOF
$progname: Version mismatch error.  This is $PACKAGE $VERSION, but the
$progname: definition of this LT_INIT comes from an older release.
$progname: You should recreate aclocal.m4 with macros from $PACKAGE $VERSION
$progname: and run autoconf again.
_LT_EOF
      else
        cat >&2 <<_LT_EOF
$progname: Version mismatch error.  This is $PACKAGE $VERSION, but the
$progname: definition of this LT_INIT comes from $PACKAGE $macro_version.
$progname: You should recreate aclocal.m4 with macros from $PACKAGE $VERSION
$progname: and run autoconf again.
_LT_EOF
      fi
    else
      cat >&2 <<_LT_EOF
$progname: Version mismatch error.  This is $PACKAGE $VERSION, revision $package_revision,
$progname: but the definition of this LT_INIT comes from revision $macro_revision.
$progname: You should recreate aclocal.m4 with macros from revision $package_revision
$progname: of $PACKAGE $VERSION and run autoconf again.
_LT_EOF
    fi

    exit $EXIT_MISMATCH
  fi
}


# func_lalib_p file
# True iff FILE is a libtool `.la' library or `.lo' object file.
# This function is only a basic sanity check; it will hardly flush out
# determined imposters.
func_lalib_p ()
{
    $SED -e 4q "$1" 2>/dev/null \
      | $GREP "^# Generated by .*$PACKAGE" > /dev/null 2>&1
}

# func_lalib_unsafe_p file
# True iff FILE is a libtool `.la' library or `.lo' object file.
# This function implements the same check as func_lalib_p without
# resorting to external programs.  To this end, it redirects stdin and
# closes it afterwards, without saving the original file descriptor.
# As a safety measure, use it only where a negative result would be
# fatal anyway.  Works if `file' does not exist.
func_lalib_unsafe_p ()
{
    lalib_p=no
    if test -r "$1" && exec 5<&1 <"$1"; then
	for lalib_p_l in 1 2 3 4
	do
	    read lalib_p_line
	    case "$lalib_p_line" in
		\#\ Generated\ by\ *$PACKAGE* ) lalib_p=yes; break;;
	    esac
	done
	exec 1<&5 5<&-
    fi
    test "$lalib_p" = yes
}

# func_ltwrapper_p file
# True iff FILE is a libtool wrapper script.
# This function is only a basic sanity check; it will hardly flush out
# determined imposters.
func_ltwrapper_p ()
{
    func_lalib_p "$1"
}


# func_execute_cmds commands fail_cmd
# Execute tilde-delimited COMMANDS.
# If FAIL_CMD is given, eval that upon failure.
# FAIL_CMD may read-access the current command in variable CMD!
func_execute_cmds ()
{
    $opt_debug
    save_ifs=$IFS; IFS='~'
    for cmd in $1; do
      IFS=$save_ifs
      eval cmd=\"$cmd\"
      func_show_eval "$cmd" "${2-:}"
    done
    IFS=$save_ifs
}


# func_source file
# Source FILE, adding directory component if necessary.
# Note that it is not necessary on cygwin/mingw to append a dot to
# FILE even if both FILE and FILE.exe exist: automatic-append-.exe
# behavior happens only for exec(3), not for open(2)!  Also, sourcing
# `FILE.' does not work on cygwin managed mounts.
func_source ()
{
    $opt_debug
    case $1 in
    */* | *\\*)	. "$1" ;;
    *)		. "./$1" ;;
    esac
}


# Generated shell functions inserted here.


# func_win32_libid arg
# return the library type of file 'arg'
#
# Need a lot of goo to handle *both* DLLs and import libs
# Has to be a shell function in order to 'eat' the argument
# that is supplied when $file_magic_command is called.
func_win32_libid ()
{
  $opt_debug
  win32_libid_type="unknown"
  win32_fileres=`file -L $1 2>/dev/null`
  case $win32_fileres in
  *ar\ archive\ import\ library*) # definitely import
    win32_libid_type="x86 archive import"
    ;;
  *ar\ archive*) # could be an import, or static
    if eval $OBJDUMP -f $1 | $SED -e '10q' 2>/dev/null |
       $EGREP 'file format pe-i386(.*architecture: i386)?' >/dev/null ; then
      win32_nmres=`eval $NM -f posix -A $1 |
	$SED -n -e '1,100{/ I /{s,.*,import,;p;q;};}'`
      case $win32_nmres in
      import*)  win32_libid_type="x86 archive import";;
      *)        win32_libid_type="x86 archive static";;
      esac
    fi
    ;;
  *DLL*)
    win32_libid_type="x86 DLL"
    ;;
  *executable*) # but shell scripts are "executable" too...
    case $win32_fileres in
    *MS\ Windows\ PE\ Intel*)
      win32_libid_type="x86 DLL"
      ;;
    esac
    ;;
  esac
  $ECHO "$win32_libid_type"
}



# func_infer_tag arg
# 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 compile
# command doesn't match the default compiler.
# arg is usually of the form 'gcc ...'
func_infer_tag ()
{
    $opt_debug
    if test -n "$available_tags" && test -z "$tagname"; then
      CC_quoted=
      for arg in $CC; do
        func_quote_for_eval "$arg"
	CC_quoted="$CC_quoted $func_quote_for_eval_result"
      done
      case $@ in
      # Blanks in the command may have been stripped by the calling shell,
      # but not from the CC environment variable when configure was run.
      " $CC "* | "$CC "* | " `$ECHO $CC` "* | "`$ECHO $CC` "* | " $CC_quoted"* | "$CC_quoted "* | " `$ECHO $CC_quoted` "* | "`$ECHO $CC_quoted` "*) ;;
      # Blanks at the start of $base_compile will cause this to fail
      # if we don't check for them as well.
      *)
	for z in $available_tags; do
	  if $GREP "^# ### BEGIN LIBTOOL TAG CONFIG: $z$" < "$progpath" > /dev/null; then
	    # Evaluate the configuration.
	    eval "`${SED} -n -e '/^# ### BEGIN LIBTOOL TAG CONFIG: '$z'$/,/^# ### END LIBTOOL TAG CONFIG: '$z'$/p' < $progpath`"
	    CC_quoted=
	    for arg in $CC; do
	      # Double-quote args containing other shell metacharacters.
	      func_quote_for_eval "$arg"
	      CC_quoted="$CC_quoted $func_quote_for_eval_result"
	    done
	    case "$@ " in
	      " $CC "* | "$CC "* | " `$ECHO $CC` "* | "`$ECHO $CC` "* | " $CC_quoted"* | "$CC_quoted "* | " `$ECHO $CC_quoted` "* | "`$ECHO $CC_quoted` "*)
	      # The compiler in the base compile command matches
	      # the one in the tagged configuration.
	      # Assume this is the tagged configuration we want.
	      tagname=$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
	  func_echo "unable to infer tagged configuration"
	  func_fatal_error "specify a tag with \`--tag'"
#	else
#	  func_verbose "using $tagname tagged configuration"
	fi
	;;
      esac
    fi
}



# func_generate_dlsyms outputname originator pic_p
# Extract symbols from dlprefiles and create ${outputname}S.o with
# a dlpreopen symbol table.
func_generate_dlsyms ()
{
    $opt_debug
    my_outputname="$1"
    my_originator="$2"
    my_pic_p="${3-no}"
    my_prefix=`$ECHO "$my_originator" | sed 's%[^a-zA-Z0-9]%_%g'`
    my_dlsyms=

    if test -n "$dlfiles$dlprefiles" || test "$dlself" != no; then
      if test -n "$NM" && test -n "$global_symbol_pipe"; then
	my_dlsyms="${my_outputname}S.c"
      else
	func_error "not configured to extract global symbols from dlpreopened files"
      fi
    fi

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

	func_show_eval "$RM $nlist ${nlist}S ${nlist}T"

	# Parse the name list into a source file.
	func_echo "creating $output_objdir/$my_dlsyms"

	$opt_dry_run || $ECHO > "$output_objdir/$my_dlsyms" "\
/* $my_dlsyms - symbol resolution table for \`$my_outputname' dlsym emulation. */
/* Generated by $PROGRAM (GNU $PACKAGE$TIMESTAMP) $VERSION */

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

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

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

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

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

	  if test -n "$exclude_expsyms"; then
	    $opt_dry_run || {
	      eval '$EGREP -v " ($exclude_expsyms)$" "$nlist" > "$nlist"T'
	      eval '$MV "$nlist"T "$nlist"'
	    }
	  fi

	  if test -n "$export_symbols_regex"; then
	    $opt_dry_run || {
	      eval '$EGREP -e "$export_symbols_regex" "$nlist" > "$nlist"T'
	      eval '$MV "$nlist"T "$nlist"'
	    }
	  fi

	  # Prepare the list of exported symbols
	  if test -z "$export_symbols"; then
	    export_symbols="$output_objdir/$outputname.exp"
	    $opt_dry_run || {
	      $RM $export_symbols
	      eval "${SED} -n -e '/^: @PROGRAM@ $/d' -e 's/^.* \(.*\)$/\1/p' "'< "$nlist" > "$export_symbols"'
	      case $host in
	      *cygwin* | *mingw* )
                eval "echo EXPORTS "'> "$output_objdir/$outputname.def"'
                eval 'cat "$export_symbols" >> "$output_objdir/$outputname.def"'
	        ;;
	      esac
	    }
	  else
	    $opt_dry_run || {
	      eval "${SED} -e 's/\([].[*^$]\)/\\\\\1/g' -e 's/^/ /' -e 's/$/$/'"' < "$export_symbols" > "$output_objdir/$outputname.exp"'
	      eval '$GREP -f "$output_objdir/$outputname.exp" < "$nlist" > "$nlist"T'
	      eval '$MV "$nlist"T "$nlist"'
	      case $host in
	        *cygwin | *mingw* )
	          eval "echo EXPORTS "'> "$output_objdir/$outputname.def"'
	          eval 'cat "$nlist" >> "$output_objdir/$outputname.def"'
	          ;;
	      esac
	    }
	  fi
	fi

	for dlprefile in $dlprefiles; do
	  func_echo "extracting global C symbols from \`$dlprefile'"
	  func_basename "$dlprefile"
	  name="$func_basename_result"
	  $opt_dry_run || {
	    eval '$ECHO ": $name " >> "$nlist"'
	    eval "$NM $dlprefile 2>/dev/null | $global_symbol_pipe >> '$nlist'"
	  }
	done

	$opt_dry_run || {
	  # Make sure we have at least an empty file.
	  test -f "$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" |
	      if sort -k 3 </dev/null >/dev/null 2>&1; then
		sort -k 3
	      else
		sort +2
	      fi |
	      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/$my_dlsyms"'
	  else
	    $ECHO '/* NONE */' >> "$output_objdir/$my_dlsyms"
	  fi

	  $ECHO >> "$output_objdir/$my_dlsyms" "\

/* The mapping between symbol names and symbols.  */
"
	  case $host in
	  *cygwin* | *mingw* )
	    $ECHO >> "$output_objdir/$my_dlsyms" "\
/* DATA imports from DLLs on WIN32 con't be const, because
   runtime relocations are performed -- see ld's documentation
   on pseudo-relocs.  */
   struct {
"
	    ;;
	  *)
	    $ECHO >> "$output_objdir/$my_dlsyms" "\
const struct {
"
	    ;;
	  esac

	  $ECHO >> "$output_objdir/$my_dlsyms" "\
   const char *name;
   void *address;
}