Index: src/fast_endianless.hpp
--- src/fast_endianless.hpp.orig
+++ src/fast_endianless.hpp
@@ -5,6 +5,8 @@
 #ifdef _WIN32
 #include <winsock2.h>
 #else
+// For int32_t
+#include <sys/types.h>
 #include <arpa/inet.h>
 #endif 
 
