Something

usr/bin/gcc-4.0 -dynamiclib  -o .libs/libIDL-2.0.0.0.dylib  .libs/parser.o .libs/lexer.o .libs/ns.o .libs/util.o  -L/opt/local/lib /opt/local/lib/libglib-2.0.dylib /opt/local/lib/libintl.dylib /opt/local/lib/libiconv.dylib  -install_name  /opt/local/lib/libIDL-2.0.dylib -compatibility_version 1 -current_version 1.0
Undefined symbols:
  "___IDL_lex", referenced from:
      ___IDL_parse in parser.o
  "___IDL_lex_init", referenced from:
      _IDL_parse_filename_with_input in util.o
      _IDL_parse_filename in util.o
  "___IDL_cur_token_line", referenced from:
      ___IDL_cur_token_line$non_lazy_ptr in parser.o
  "___IDL_in", referenced from:
      ___IDL_in$non_lazy_ptr in util.o
  "___IDL_lex_cleanup", referenced from:
      _IDL_parse_filename_with_input in util.o
      _IDL_parse_filename_with_input in util.o
      _IDL_parse_filename in util.o
  "___IDL_prev_token_line", referenced from:
      ___IDL_prev_token_line$non_lazy_ptr in parser.o
ld: symbol(s) not found
collect2: ld returned 1 exit status
make[2]: *** [libIDL-2.la] Error 1
make[1]: *** [all-recursive] Error 1
make: *** [all] Error 2

Error: The following dependencies failed to build: gimp-app gimp2 libgnomeui libbonoboui gconf orbit2 libidl gnome-vfs gnome-mime-data howl neon libbonobo popt libglade2 libgnome esound audiofile libgnomecanvas gail libgtkhtml libmng automake lcms librsvg libcroco libgsf libwmf poppler poppler-data py25-gtk py25-cairo gimp-jp2 openjpeg cmake gimp-lqr-plugin gimp-user-manual gtk-nodoka-engine coreutils gutenprint icns-gimp macclipboard-gimp macfile-gimp ufraw exiv2 xsane sane-backends
Error: Status 1 encountered during processing.