Release 1.55.0

[SVN r86621]

include/boost/static_assert.hpp

@@ -30,7 +30,7 @@
 #  ifndef BOOST_NO_CXX11_VARIADIC_MACROS
 #     define BOOST_STATIC_ASSERT_MSG( ... ) static_assert(__VA_ARGS__)
 #  else
-#     define BOOST_STATIC_ASSERT_MSG( B, Msg ) static_assert( B, Msg )
+#     define BOOST_STATIC_ASSERT_MSG( B, Msg ) BOOST_STATIC_ASSERT( B )
 #  endif
 #else
 #     define BOOST_STATIC_ASSERT_MSG( B, Msg ) BOOST_STATIC_ASSERT( B )
@@ -64,6 +64,14 @@
 #     define BOOST_STATIC_ASSERT_BOOL_CAST(x) (bool)(x)
 #  endif
 #endif
+//
+// If the compiler warns about unused typedefs then enable this:
+//
+#if defined(__GNUC__) && ((__GNUC__ > 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 7)))
+#  define BOOST_STATIC_ASSERT_UNUSED_ATTRIBUTE __attribute__((unused))
+#else
+#  define BOOST_STATIC_ASSERT_UNUSED_ATTRIBUTE
+#endif
 
 #ifndef BOOST_NO_CXX11_STATIC_ASSERT
 #  ifndef BOOST_NO_CXX11_VARIADIC_MACROS
@@ -109,7 +117,14 @@ template<int x> struct static_assert_test{};
 //
 #if !defined(BOOST_BUGGY_INTEGRAL_CONSTANT_EXPRESSIONS)
 
-#if defined(BOOST_MSVC) && defined(BOOST_NO_CXX11_VARIADIC_MACROS)
+#if defined(BOOST_MSVC) && (BOOST_MSVC < 1300)
+// __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_MSVC) && defined(BOOST_NO_CXX11_VARIADIC_MACROS)
 #define BOOST_STATIC_ASSERT( B ) \
    typedef ::boost::static_assert_test<\
       sizeof(::boost::STATIC_ASSERTION_FAILURE< BOOST_STATIC_ASSERT_BOOL_CAST ( B ) >)>\
@@ -152,12 +167,12 @@ template<int x> struct static_assert_test{};
 #     define BOOST_STATIC_ASSERT( ... ) \
          typedef ::boost::static_assert_test<\
             sizeof(::boost::STATIC_ASSERTION_FAILURE< BOOST_STATIC_ASSERT_BOOL_CAST( __VA_ARGS__ ) >)>\
-               BOOST_JOIN(boost_static_assert_typedef_, __LINE__) BOOST_ATTRIBUTE_UNUSED
+               BOOST_JOIN(boost_static_assert_typedef_, __LINE__) BOOST_STATIC_ASSERT_UNUSED_ATTRIBUTE
 #  else
 #     define BOOST_STATIC_ASSERT( B ) \
          typedef ::boost::static_assert_test<\
             sizeof(::boost::STATIC_ASSERTION_FAILURE< BOOST_STATIC_ASSERT_BOOL_CAST( B ) >)>\
-               BOOST_JOIN(boost_static_assert_typedef_, __LINE__) BOOST_ATTRIBUTE_UNUSED
+               BOOST_JOIN(boost_static_assert_typedef_, __LINE__) BOOST_STATIC_ASSERT_UNUSED_ATTRIBUTE
 #  endif
 #endif
 

meta/libraries.json

@@ -1,16 +0,0 @@
-{
-    "key": "static_assert",
-    "name": "Static Assert",
-    "authors": [
-        "John Maddock"
-    ],
-    "description": "Static assertions (compile time assertions).",
-    "category": [
-        "Correctness",
-        "Generic",
-        "Metaprogramming"
-    ],
-    "maintainers": [
-        "John Maddock <john -at- johnmaddock.co.uk>"
-    ]
-}