diff --git a/include/boost/system/config.hpp b/include/boost/system/config.hpp
index bf78051..b128717 100644
--- a/include/boost/system/config.hpp
+++ b/include/boost/system/config.hpp
@@ -16,6 +16,23 @@
 // This header implements separate compilation features as described in
 // http://www.boost.org/more/separate_compilation.html
 
+//  normalize macros  ------------------------------------------------------------------//
+
+#if !defined(BOOST_SYSTEM_DYN_LINK) && !defined(BOOST_SYSTEM_STATIC_LINK) \
+  && !defined(BOOST_ALL_DYN_LINK) && !defined(BOOST_ALL_STATIC_LINK)
+# define BOOST_SYSTEM_STATIC_LINK
+#endif
+
+#if defined(BOOST_ALL_DYN_LINK) && !defined(BOOST_SYSTEM_DYN_LINK)
+# define BOOST_SYSTEM_DYN_LINK 
+#elif defined(BOOST_ALL_STATIC_LINK) && !defined(BOOST_SYSTEM_STATIC_LINK)
+# define BOOST_SYSTEM_STATIC_LINK 
+#endif
+
+#if defined(BOOST_SYSTEM_DYN_LINK) && defined(BOOST_SYSTEM_STATIC_LINK)
+# error Must not define both BOOST_SYSTEM_DYN_LINK and BOOST_SYSTEM_STATIC_LINK
+#endif
+
 //  enable dynamic or static linking as requested --------------------------------------//
 
 #if defined(BOOST_ALL_DYN_LINK) || defined(BOOST_SYSTEM_DYN_LINK)
diff --git a/src/error_code.cpp b/src/error_code.cpp
index bcdbea9..6772d15 100644
--- a/src/error_code.cpp
+++ b/src/error_code.cpp
@@ -74,7 +74,7 @@ namespace
   // strerror_r is preferred because it is always thread safe,
   // however, we fallback to strerror in certain cases because:
   //   -- Windows doesn't provide strerror_r.
-  //   -- HP and Sundo provide strerror_r on newer systems, but there is
+  //   -- HP and Sun do provide strerror_r on newer systems, but there is
   //      no way to tell if is available at runtime and in any case their
   //      versions of strerror are thread safe anyhow.
   //   -- Linux only sometimes provides strerror_r.
@@ -84,6 +84,7 @@ namespace
   # if defined(BOOST_WINDOWS_API) || defined(__hpux) || defined(__sun)\
      || (defined(__linux) && (!defined(__USE_XOPEN2K) || defined(BOOST_SYSTEM_USE_STRERROR)))\
      || (defined(__osf__) && !defined(_REENTRANT))\
+     || (defined(__INTEGRITY))\
      || (defined(__vms))\
      || (defined(__QNXNTO__))
       const char * c_str = std::strerror( ev );
diff --git a/test/Jamfile.v2 b/test/Jamfile.v2
index 043a36f..1ab7442 100644
--- a/test/Jamfile.v2
+++ b/test/Jamfile.v2
@@ -16,6 +16,7 @@ project
    lib throw_test
      : throw_test.cpp
      : <link>shared:<define>BOOST_SYSTEM_DYN_LINK=1
+       <link>static:<define>BOOST_SYSTEM_STATIC_LINK=1
      ;