--- ./tests/featuremap/featuremaptest.cpp.orig	2020-03-31 21:53:13.000000000 -0500
+++ ./tests/featuremap/featuremaptest.cpp	2025-06-11 20:52:10.417367560 -0500
@@ -27,6 +27,7 @@
 #include <memory>
 #include <string>
 #include <vector>
+#include <cstdint>
 
 #include <graphite2/Font.h>