--- simgear/scene/viewer/Compositor.hxx.orig	2023-03-14 07:49:42 UTC
+++ simgear/scene/viewer/Compositor.hxx
@@ -17,6 +17,7 @@
 #ifndef SG_COMPOSITOR_HXX
 #define SG_COMPOSITOR_HXX
 
+#include <array>
 #include <unordered_map>
 #include <vector>