An update on the Sparc Solaris check machine broke rgl, and I needed the fix in
http://stackoverflow.com/questions/2550269/undefined-symbol-sunoglcurprimtableptr-in-solaris-x86  (ironically, not on the Opteron machine).

I'm not sure this is something you can easily incorporate: I needed to add 
-DSUN_OGL_NO_VERTEX_MACROS to PKG_CPPFLAGS, so this is more FYI.