* (GTKPixmap.in)
  add support for gdk_imlib (or the new gdk-pixbuf)?

* (gtk-tool.make)
  support cross-compiling with the GNUstep makefile package

* (Makefile.os2)
  test makefiles on OS/2 (does libtool work on OS/2?)
  the OS/2 makefile is very outdated and may no longer work

