@@ -59,10 +59,15 @@
 #ifdef OF_BIG_ENDIAN
 # define OF_ENDIANESS_NATIVE OF_ENDIANESS_BIG_ENDIAN
 #else
 # define OF_ENDIANESS_NATIVE OF_ENDIANESS_LITTLE_ENDIAN
 #endif
+
+/* Hopefully no arch needs more than 16 bytes padding */
+#ifndef __BIGGEST_ALIGNMENT__
+# define __BIGGEST_ALIGNMENT__ 16
+#endif
 
 #ifdef __GNUC__
 # if defined(__amd64__) || defined(__x86_64__)
 #  define OF_AMD64_ASM
 # elif defined(__i386__)
@@ -82,10 +87,13 @@
 # define OF_PATH_DELIMITER '/'
 #else
 # define OF_PATH_DELIMITER '\\'
 #endif
 
+extern id objc_getProperty(id, SEL, ptrdiff_t, BOOL);
+extern void objc_setProperty(id, SEL, ptrdiff_t, id, BOOL, signed char);
+
 #define OF_IVAR_OFFSET(ivar) ((intptr_t)&ivar - (intptr_t)self)
 #define OF_GETTER(ivar, atomic) \
 	return objc_getProperty(self, _cmd, OF_IVAR_OFFSET(ivar), atomic);
 #define OF_SETTER(ivar, value, atomic, copy) \
 	objc_setProperty(self, _cmd, OF_IVAR_OFFSET(ivar), value, atomic, copy);