diff --git a/clang/lib/Basic/Targets/OSTargets.h b/clang/lib/Basic/Targets/OSTargets.h
--- a/clang/lib/Basic/Targets/OSTargets.h
+++ b/clang/lib/Basic/Targets/OSTargets.h
@@ -388,6 +388,8 @@
     } else {
         Builder.defineMacro("__gnu_linux__");
     }
+    if (Triple.isSPARC())
+      Builder.defineMacro("__NO_INLINE__");
     if (Opts.POSIXThreads)
       Builder.defineMacro("_REENTRANT");
     if (Opts.CPlusPlus)