Failure to install rb-fxruby

[Takaaki Kato]

After doing `sudo port install rb-fxruby`. I get the error at the very
end of the installation.

--->  Attempting to fetch FXRuby-1.6.16.tar.gz from
http://rubyforge.org/frs/download.php/39357/
--->  Verifying checksum(s) for rb-fxruby
--->  Extracting rb-fxruby
--->  Configuring rb-fxruby
--->  Building rb-fxruby with target setup
Error: Target org.macports.build returned: shell command " cd
"/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_ruby_rb-fxruby/work/FXRuby-1.6.16"
&& /opt/local/bin/ruby -rvendor-specific install.rb setup " returned
error 1
Command output: cc -dynamic -bundle -undefined suppress
-flat_namespace -o fox16.bundle librb.o core_wrap.o dc_wrap.o
dialogs_wrap.o frames_wrap.o fx3d_wrap.o FXRbApp.o FXRbDataTarget.o
FXRbGLViewer.o FXRuby.o iconlist_wrap.o icons_wrap.o image_wrap.o
impl.o label_wrap.o layout_wrap.o list_wrap.o markfuncs.o mdi_wrap.o
menu_wrap.o scintilla_wrap.o table_wrap.o text_wrap.o treelist_wrap.o
ui_wrap.o unregisterOwnedObjects.o -L. -L/opt/local/lib
-L/opt/local/lib -L/usr/X11R6/lib -L. -L/opt/local/lib    -lruby
-lfxscintilla -lpng -lXcursor -lXrandr -lFOX-1.6 -lGLU -lGL -lX11
-lXext -ltiff -ljpeg -lz -lpng -lstdc++  -lpthread -ldl -lobjc
i686-apple-darwin9-gcc-4.0.1: core_wrap.o: No such file or directory
i686-apple-darwin9-gcc-4.0.1: dc_wrap.o: No such file or directory
i686-apple-darwin9-gcc-4.0.1: dialogs_wrap.o: No such file or directory
i686-apple-darwin9-gcc-4.0.1: frames_wrap.o: No such file or directory
i686-apple-darwin9-gcc-4.0.1: fx3d_wrap.o: No such file or directory
i686-apple-darwin9-gcc-4.0.1: FXRbApp.o: No such file or directory
i686-apple-darwin9-gcc-4.0.1: FXRbDataTarget.o: No such file or directory
i686-apple-darwin9-gcc-4.0.1: FXRbGLViewer.o: No such file or directory
i686-apple-darwin9-gcc-4.0.1: FXRuby.o: No such file or directory
i686-apple-darwin9-gcc-4.0.1: iconlist_wrap.o: No such file or directory
i686-apple-darwin9-gcc-4.0.1: icons_wrap.o: No such file or directory
i686-apple-darwin9-gcc-4.0.1: image_wrap.o: No such file or directory
i686-apple-darwin9-gcc-4.0.1: impl.o: No such file or directory
i686-apple-darwin9-gcc-4.0.1: label_wrap.o: No such file or directory
i686-apple-darwin9-gcc-4.0.1: layout_wrap.o: No such file or directory
i686-apple-darwin9-gcc-4.0.1: list_wrap.o: No such file or directory
i686-apple-darwin9-gcc-4.0.1: markfuncs.o: No such file or directory
i686-apple-darwin9-gcc-4.0.1: mdi_wrap.o: No such file or directory
i686-apple-darwin9-gcc-4.0.1: menu_wrap.o: No such file or directory
i686-apple-darwin9-gcc-4.0.1: scintilla_wrap.o: No such file or directory
i686-apple-darwin9-gcc-4.0.1: table_wrap.o: No such file or directory
i686-apple-darwin9-gcc-4.0.1: text_wrap.o: No such file or directory
i686-apple-darwin9-gcc-4.0.1: treelist_wrap.o: No such file or directory
i686-apple-darwin9-gcc-4.0.1: ui_wrap.o: No such file or directory
i686-apple-darwin9-gcc-4.0.1: unregisterOwnedObjects.o: No such file
or directory
make: *** [fox16.bundle] Error 1
setup failed
'system make ' failed
Try 'ruby install.rb --help' for detailed usage.

Error: Status 1 encountered during processing.
###################################################################
$ sw_vers
ProductName:	Mac OS X
ProductVersion:	10.5.5
BuildVersion:	9F33
$port version
Version: 1.600

I installed Ruby and RubyGems using MacPorts.
 $which ruby
/opt/local/bin//ruby
$ which gem
/opt/local/bin//gem

Any help would be appreciated.