Apply Diab compiler support from https://svn.boost.org/trac/boost/ticket/11655.

include/boost/config/compiler/diab.hpp

@@ -0,0 +1,19 @@
+//  (C) Copyright Brian Kuhl 2016.
+//  Use, modification and distribution are subject to the
+//  Boost Software License, Version 1.0. (See accompanying file
+//  LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+
+// Check this is a recent EDG based compiler, otherwise we don't support it here:
+
+
+#ifndef __EDG_VERSION__
+#     error "Unknown Diab compiler version - please run the configure tests and report the results"
+#endif
+
+#include "boost/config/compiler/common_edg.hpp"
+
+#define BOOST_HAS_LONG_LONG
+#define BOOST_NO_TWO_PHASE_NAME_LOOKUP
+#define BOOST_NO_CXX11_HDR_INITIALIZER_LIST
+#define BOOST_NO_CXX11_HDR_CODECVT
+#define BOOST_COMPILER "Wind River Diab " BOOST_STRINGIZE(__VERSION_NUMBER__)

include/boost/config/select_compiler_config.hpp

@@ -48,6 +48,10 @@
 //  Digital Mars C++
 #   define BOOST_COMPILER_CONFIG "boost/config/compiler/digitalmars.hpp"
 
+#elif defined __DCC__
+//  Wind River Diab C++
+#   define BOOST_COMPILER_CONFIG "boost/config/compiler/diab.hpp"
+
 # elif defined(__GNUC__) && !defined(__ibmxl__)
 //  GNU C++:
 #   define BOOST_COMPILER_CONFIG "boost/config/compiler/gcc.hpp"