--- /dev/null
+--- a/include/compiler.h
++++ b/include/compiler.h
+@@ -46,7 +46,7 @@ extern int errno;
+ #ifdef __linux__
+ # include <endian.h>
+ # include <byteswap.h>
+-#elif defined(__MACH__)
++#elif defined(__MACH__) || defined(__FreeBSD__)
+ # include <machine/endian.h>
+ typedef unsigned long ulong;
+ typedef unsigned int uint;