--- /dev/null
+Description: Fix FTBFS on armhf
+Author: Jakob Haufe <sur5r@debian.org>
+Last-Update: 2022-06-29
+
+--- fstl-0.10.0.orig/src/canvas.cpp
++++ fstl-0.10.0/src/canvas.cpp
+@@ -1,5 +1,7 @@
+ #include <QMouseEvent>
+
++#include <GL/gl.h>
++
+ #include <cmath>
+
+ #include "canvas.h"