[HOpenGL] HOpenGL && --enable-threaded-rts

I'm trying to bring HOpenGL up on my new gentoo linux box. It all built fine, but any OpenGL program that tries to create a window SEGVs immediately after... OpenGL on them machine seems to work OK - I can compile and run teapots.c from the distribution for example. (Not to mention run tuxracer :-) I noted a long thread last year about --enable-threaded-rts and HOpenGL not working togther. The thread did not seem to end in a solution. The default ebuild of ghc for gentoo has this flag turned on. Might this be the cause of my problems? I was suprised when I run the SEGVing program under gdb to find that there were multiple threads in operation. Tim