From c78aa624695768209de0bb8651a1f8e2980384b8 Mon Sep 17 00:00:00 2001
From: Justin LaPolla <jlapolla@cray.com>
Date: Tue, 12 Dec 2017 12:15:14 -0600
Subject: [PATCH] Undefine temporary macros in 'cray.hpp'

---
 include/boost/config/compiler/cray.hpp | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/include/boost/config/compiler/cray.hpp b/include/boost/config/compiler/cray.hpp
index 2ceb49c9..8e797831 100644
--- a/include/boost/config/compiler/cray.hpp
+++ b/include/boost/config/compiler/cray.hpp
@@ -31,6 +31,10 @@
 //     other parameters (i.e. C++ standards conformance level and GCC
 //     extensions).
 
+////
+//// Front matter
+////
+
 #define BOOST_CRAY_VERSION (_RELEASE_MAJOR * 10000 + _RELEASE_MINOR * 100 + _RELEASE_PATCHLEVEL)
 
 #ifdef __GNUC__
@@ -212,3 +216,10 @@
 #if BOOST_CRAY_VERSION >= 80605
 #endif // BOOST_CRAY_VERSION >= 80605
 
+////
+//// Remove temporary macros
+////
+
+#undef BOOST_GCC_VERSION
+#undef BOOST_CRAY_VERSION
+