Changes were made to allow compilation in Carbide C++ 2.7 and the Nokia S60v5 SDK. Important code from the OpenGL ES 1.1 backend was commented out since it prevented compilation

vendor/librw/src/rwbase.h

@@ -11,6 +11,9 @@
 #ifdef __SYMBIAN32__
 #undef stderr
 #define stderr stdout
+	#ifdef S60V5
+		#define OFFSET_OF(type, member) ((size_t)&(((type*)0)->member))
+	#endif
 #endif
 
 // TODO: clean up the opengl defines
@@ -112,16 +115,14 @@ struct LLLink
 	}
 };
 
-#ifndef RW_GL3
-#ifdef __offsetof
-#undef __offsetof
-#endif
-#define	__offsetof(type, field)	(reinterpret_cast <size_t>			\
-    (&reinterpret_cast <const volatile char &>	\
-               (static_cast<type *> (0)->field)))
-#endif
-#define LLLinkGetData(linkvar,type,entry) \
+
+#ifdef S60V5
+	#define LLLinkGetData(linkvar,type,entry) \
+		((type*)((char*)(linkvar) - (size_t)&(((type*)0)->entry)))
+#else
+	#define LLLinkGetData(linkvar,type,entry) \
     ((type*)(((rw::uint8*)(linkvar))-offsetof(type,entry)))
+#endif
 
 // Have to be careful since the link might be deleted.
 #define FORLIST(_link, _list) \