>It would be much cooler to patch autoconf to pass additional -Idir
>flags to gm4.  I'd rather not use symlinks from /usr/X11R6 to
>/usr/pkg, since it's still possible that in the future we may allow
>installation of X11 packages outside the X11R6 tree, and your PLIST
>modification would break.

	How many of these tools (autoconf, automake, whatever) do we need
	to fix with this route?  I think fixing gtk pkgsrc (maybe to fix
	Makefile to install gtk.m4 into /usr/pkgsrc) is easier.

itojun