1 files changed, 17 insertions, 0 deletions
diff --git a/Lex/Preprocessor.cpp b/Lex/Preprocessor.cpp
index c1f14a9b9b..6380544376 100644
--- a/Lex/Preprocessor.cpp
+++ b/Lex/Preprocessor.cpp
@@ -392,6 +392,23 @@ static void InitializePredefinedMacros(Preprocessor &PP,
     DefineBuiltinMacro(Buf, "NO=(BOOL)0");
     DefineBuiltinMacro(Buf, "Nil=0");
     DefineBuiltinMacro(Buf, "nil=0");
+    ObjcType = "OBJC_EXPORT const char *sel_getName(SEL sel);\n";
+    Buf.insert(Buf.end(), ObjcType, ObjcType+strlen(ObjcType));
+    ObjcType = "OBJC_EXPORT SEL sel_getUid(const char *str);\n";
+    Buf.insert(Buf.end(), ObjcType, ObjcType+strlen(ObjcType));
+    
+    // Predefine ObjC primitive functions, traditionally declared in
+    // <objc/objc-runtime.h>. Unlike the declarations above, we don't protect
+    // these with a header guard (since multiple identical function declarations
+    // don't result in an error.
+    ObjcType = "OBJC_EXPORT id objc_getClass(const char *name);\n";
+    Buf.insert(Buf.end(), ObjcType, ObjcType+strlen(ObjcType));
+    ObjcType = "OBJC_EXPORT id objc_getMetaClass(const char *name);\n";
+    Buf.insert(Buf.end(), ObjcType, ObjcType+strlen(ObjcType));
+    ObjcType = "OBJC_EXPORT id objc_msgSend(id self, SEL op, ...);\n";
+    Buf.insert(Buf.end(), ObjcType, ObjcType+strlen(ObjcType));
+    ObjcType = "OBJC_EXPORT id objc_msgSendSuper(struct objc_super *super, SEL op, ...);\n";
+    Buf.insert(Buf.end(), ObjcType, ObjcType+strlen(ObjcType));
   }
 
   // Add __builtin_va_list typedef.