-# When ENABLE_CXX11 is enabled, LLVM uses c++11 mode by default to build.
-ENABLE_CXX11 = @ENABLE_CXX11@
+# When ENABLE_CXX1Y is enabled, LLVM uses c++1y mode by default to build.
+# Otherwise it uses the baseline c++11.
+ENABLE_CXX1Y = @ENABLE_CXX1Y@