configure:6866: gcc -o conftest   -I/usr/X11R6/include -pthread   conftest.c -lGL -L/usr/X11R6/lib -lX11  -lm  >&5
In file included from /usr/X11R6/include/GL/gl.h:1630,
                 from conftest.c:30:
/usr/X11R6/include/GL/glext.h:6952: error: redefinition of typedef 'PFNGLGETUNIFORMUIVEXTPROC'
/usr/X11R6/include/GL/glext.h:6941: error: previous declaration of 'PFNGLGETUNIFORMUIVEXTPROC' was here
configure:6872: $? = 1