Move some ObjC preprocessor definitions into
InitializePredefinedMacros().
- Also now properly wired to -fobjc-gc, -fnext-runtime.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@54661 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Lex/Preprocessor.cpp b/lib/Lex/Preprocessor.cpp
index dcb399d..a4ff8bb 100644
--- a/lib/Lex/Preprocessor.cpp
+++ b/lib/Lex/Preprocessor.cpp
@@ -401,8 +401,25 @@
DefineBuiltinMacro(Buf, "__STDC_VERSION__=199409L");
DefineBuiltinMacro(Buf, "__STDC_HOSTED__=1");
- if (PP.getLangOptions().ObjC1)
+ if (PP.getLangOptions().ObjC1) {
DefineBuiltinMacro(Buf, "__OBJC__=1");
+
+ if (PP.getLangOptions().getGCMode() == LangOptions::NonGC) {
+ DefineBuiltinMacro(Buf, "__weak=");
+ DefineBuiltinMacro(Buf, "__strong=");
+ } else {
+ DefineBuiltinMacro(Buf, "__weak=__attribute__((objc_gc(weak)))");
+ DefineBuiltinMacro(Buf, "__strong=__attribute__((objc_gc(strong)))");
+ DefineBuiltinMacro(Buf, "__OBJC_GC__=1");
+ }
+
+ if (PP.getLangOptions().NeXTRuntime)
+ DefineBuiltinMacro(Buf, "__NEXT_RUNTIME__=1");
+
+ // darwin_constant_cfstrings controls this. This is also dependent
+ // on other things like the runtime I believe.
+ DefineBuiltinMacro(Buf, "__CONSTANT_CFSTRINGS__=1");
+ }
if (PP.getLangOptions().ObjC2)
DefineBuiltinMacro(Buf, "OBJC_NEW_PROPERTIES");