Do not throw a warning, since the CI interprets it as error

davidrohr · davidrohr · commit c3a58960cc26 · 2019-07-10T16:38:09.000+02:00
diff --git a/GPU/GPUTracking/Standalone/display/GPUDisplay.h b/GPU/GPUTracking/Standalone/display/GPUDisplay.h
@@ -28,6 +28,8 @@
 #if !defined(GL_VERSION_4_5) || GL_VERSION_4_5 != 1
 #ifdef GPUCA_STANDALONE
 #error Unsupported OpenGL version < 4.5
+#elif defined(GPUCA_O2_LIB)
+#pragma message "Unsupported OpenGL version < 4.5, disabling standalone event display"
 #else
 #warning Unsupported OpenGL version < 4.5, disabling standalone event display
 #undef BUILD_EVENT_DISPLAY
