diff -rupN proj-9.6.0/src/filemanager.cpp proj-9.6.0-new/src/filemanager.cpp
--- proj-9.6.0/src/filemanager.cpp	2025-03-13 15:31:27.000000000 +0100
+++ proj-9.6.0-new/src/filemanager.cpp	2025-03-21 23:46:25.411487623 +0100
@@ -41,6 +41,7 @@
 #include <stdlib.h>
 
 #include <algorithm>
+#include <cstdint>
 #include <limits>
 #include <string>