From 1029ee8032975dd49fb35bbf68956064f9dfe976 Mon Sep 17 00:00:00 2001
From: Aleksey Gurtovoy <agurtovoy@meta-comm.com>
Date: Mon, 16 Sep 2002 01:19:05 +0000
Subject: [PATCH] Intel C++ fix

[SVN r15351]
---
 include/boost/static_assert.hpp | 27 ++++++++++++++++-----------
 1 file changed, 16 insertions(+), 11 deletions(-)

diff --git a/include/boost/static_assert.hpp b/include/boost/static_assert.hpp
index 4ba29d7..b28a55c 100644
--- a/include/boost/static_assert.hpp
+++ b/include/boost/static_assert.hpp
@@ -28,7 +28,7 @@ namespace boost{
 // HP aCC cannot deal with missing names for template value parameters
 template <bool x> struct STATIC_ASSERTION_FAILURE;
 
-template <> struct STATIC_ASSERTION_FAILURE<true>{};
+template <> struct STATIC_ASSERTION_FAILURE<true> { enum { value = 1 }; };
 
 // HP aCC cannot deal with missing names for template value parameters
 template<int x> struct static_assert_test{};
@@ -58,19 +58,28 @@ template<int x> struct static_assert_test{};
 // when used inside integral constant expressions.
 //
 #if !defined(BOOST_BUGGY_INTEGRAL_CONSTANT_EXPRESSIONS) && !defined(__MWERKS__)
-#ifndef BOOST_MSVC
-#define BOOST_STATIC_ASSERT( B ) \
-   typedef ::boost::static_assert_test<\
-      sizeof(::boost::STATIC_ASSERTION_FAILURE< (bool)( B ) >)>\
-         BOOST_JOIN(boost_static_assert_typedef_, __LINE__)
-#else
+
+#if defined(BOOST_MSVC)
 // __LINE__ macro broken when -ZI is used see Q199057
 // fortunately MSVC ignores duplicate typedef's.
 #define BOOST_STATIC_ASSERT( B ) \
    typedef ::boost::static_assert_test<\
       sizeof(::boost::STATIC_ASSERTION_FAILURE< (bool)( B ) >)\
       > boost_static_assert_typedef_
+#elif defined(BOOST_INTEL_CXX_VERSION)
+// agurt 15/sep/02: a special care is needed to force Intel C++ issue an error 
+// instead of warning in case of failure
+# define BOOST_STATIC_ASSERT( B ) \
+    typedef char BOOST_JOIN(boost_static_assert_typedef_, __LINE__) \
+        [ ::boost::STATIC_ASSERTION_FAILURE< (bool)( B ) >::value ]
+#else
+// generic version
+#define BOOST_STATIC_ASSERT( B ) \
+   typedef ::boost::static_assert_test<\
+      sizeof(::boost::STATIC_ASSERTION_FAILURE< (bool)( B ) >)>\
+         BOOST_JOIN(boost_static_assert_typedef_, __LINE__)
 #endif
+
 #else
 // alternative enum based implementation:
 #define BOOST_STATIC_ASSERT( B ) \
@@ -80,7 +89,3 @@ template<int x> struct static_assert_test{};
 
 
 #endif // BOOST_STATIC_ASSERT_HPP
-
-
-
-