modern objc translator: string.h is unavailable on some non-OSX

platforms declare memset in rewritten code instead.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@159454 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Rewrite/RewriteModernObjC.cpp b/lib/Rewrite/RewriteModernObjC.cpp
index b0f4c0d084ecd6d19439d0d6cf5254babdd9f96b..a14a9efb78477652b498a59346e7eb673735265b 100644 (file)
--- a/lib/Rewrite/RewriteModernObjC.cpp
+++ b/lib/Rewrite/RewriteModernObjC.cpp
@@ -5958,7 +5958,7 @@ void RewriteModernObjC::Initialize(ASTContext &context) {
   }
   
   // needed for use of memset.
-  Preamble += "\n#include <string.h>\n";
+  Preamble += "\nextern \"C\" void * memset(void *b, int c, unsigned long len);\n";
   
   // Declarations required for modern objective-c array and dictionary literals.
   Preamble += "\n#include <stdarg.h>\n";