This is a modified version of this patch:

[#7660] Solaris 10 x86 support (Makefiles)

Hopefully it will not mess up anything for anyone else.  I removed
some hardcoded static libs and made NAN_*_LIB definitions so they could be 
overridden, to allow greater flexability.

Let me know if there are any problems/questions.

Kent

source/blender/include/BIF_gl.h

@@ -57,7 +57,11 @@
 #include <OpenGL/glu.h>
 #else
 #include <GL/gl.h>
+#if defined(__sun__) && !defined(__sparc__)
+#include <mesa/glu.h>
+#else
 #include <GL/glu.h>
+#endif
 #endif
 	/*
 	 * these should be phased out. cpack should be replaced in