Source
--- a/src/MemoryX.h.old 2017-11-18 15:43:36.000000000 -0800
+++ b/src/MemoryX.h 2017-11-18 15:43:51.000000000 -0800
// std:: containers knowing about rvalue references
#undef __AUDACITY_OLD_STD__
-#if defined(__MAC_OS_X_VERSION_MIN_REQUIRED) && __MAC_OS_X_VERSION_MIN_REQUIRED <= __MAC_10_6
+#if 0
#define __AUDACITY_OLD_STD__