diff -up ags-v.3.5.0.25/Common/util/compress.cpp.big ags-v.3.5.0.25/Common/util/compress.cpp
--- ags-v.3.5.0.25/Common/util/compress.cpp.big	2020-07-12 00:18:03.000000000 +0000
+++ ags-v.3.5.0.25/Common/util/compress.cpp	2020-08-05 14:33:42.303360129 +0000
@@ -25,6 +25,9 @@
 #include "util/lzw.h"
 #include "util/misc.h"
 #include "util/stream.h"
+#if AGS_PLATFORM_ENDIAN_BIG
+#include "util/bbop.h"
+#endif
 
 using namespace AGS::Common;