printf "Testing GLX link to libGL direct calls ... "
test glx-link-call
+printf "Testing GLX link to libGL glXGetProcAddress ... "
+test glx-link-gpa
+
+printf "Testing GLX link to libGL glXGetProcAddressARB ... "
+test glx-link-gpaa
+
printf "Testing GLX dlopen(libGL) dlsym ... "
test glx-dlopen-dlsym