Index: src/luaconf.h
--- src/luaconf.h.orig
+++ src/luaconf.h
@@ -58,7 +58,7 @@
 #endif
 
 
-#if defined(LUA_USE_LINUX)
+#if defined(LUA_USE_BSD) || defined(LUA_USE_LINUX)
 #define LUA_USE_POSIX
 #define LUA_USE_DLOPEN		/* needs an extra library: -ldl */
 #endif