--- src/ispc.h.orig 2019-04-20 16:38:55 UTC
+++ src/ispc.h
@@ -48,6 +48,8 @@
#define ISPC_IS_WINDOWS
#elif defined(__linux__)
#define ISPC_IS_LINUX
+#elif defined(__FreeBSD__)
+#define ISPC_IS_FREEBSD
#elif defined(__APPLE__)
#define ISPC_IS_APPLE
#endif