Index: src/macros.h
==================================================================
--- src/macros.h
+++ src/macros.h
@@ -97,11 +97,11 @@
 # define OF_LIKELY(cond) (__builtin_expect(!!(cond), 1))
 # define OF_UNLIKELY(cond) (__builtin_expect(!!(cond), 0))
 # define OF_CONST_FUNC __attribute__((__const__))
 # define OF_NO_RETURN_FUNC __attribute__((__noreturn__))
 # define OF_WEAK_REF(sym) __attribute__((__weakref__(sym)))
-# ifndef OF_DJGPP
+# if defined(OF_ELF) || defined(OF_MACHO)
 #  define OF_VISIBILITY_HIDDEN __attribute__((__visibility__("hidden")))
 # else
 #  define OF_VISIBILITY_HIDDEN
 # endif
 #else