diff --git a/libcxx-4.0.1-noxlocale.patch b/libcxx-4.0.1-noxlocale.patch
new file mode 100644
index 0000000..14e64ce
--- /dev/null
+++ b/libcxx-4.0.1-noxlocale.patch
@@ -0,0 +1,18 @@
+diff -up libcxx-4.0.1.src/include/__locale.noxlocale libcxx-4.0.1.src/include/__locale
+--- libcxx-4.0.1.src/include/__locale.noxlocale	2017-06-23 12:49:59.474063096 -0400
++++ libcxx-4.0.1.src/include/__locale	2017-06-23 12:50:31.977284122 -0400
+@@ -34,12 +34,12 @@
+ # include <support/solaris/xlocale.h>
+ #elif defined(_NEWLIB_VERSION)
+ # include <support/newlib/xlocale.h>
+-#elif (defined(__GLIBC__) || defined(__APPLE__)      || defined(__FreeBSD__) \
++#elif (defined(__APPLE__)      || defined(__FreeBSD__) \
+     || defined(__EMSCRIPTEN__) || defined(__IBMCPP__))
+ # include <xlocale.h>
+ #elif defined(_LIBCPP_HAS_MUSL_LIBC)
+ # include <support/musl/xlocale.h>
+-#endif // __GLIBC__ || __APPLE__ || __FreeBSD__ || __sun__ || __EMSCRIPTEN__ || __IBMCPP__
++#endif // __APPLE__ || __FreeBSD__ || __sun__ || __EMSCRIPTEN__ || __IBMCPP__
+ 
+ #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
+ #pragma GCC system_header