Add, and update, documentation build targets.

Use Boost.Config's BOOST_ATTRIBUTE_UNUSED

doc/Jamfile.v2

@@ -37,3 +37,13 @@ boostbook standalone
         <format>pdf:<xsl:param>admon.graphics.path=$(boost-images)/
         <format>pdf:<xsl:param>boost.url.prefix=http://www.boost.org/doc/libs/release/doc/html
     ;
+
+###############################################################################
+alias boostdoc
+    : static_assert
+    :
+    :
+    : ;
+explicit boostdoc ;
+alias boostrelease ;
+explicit boostrelease ;

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 ) BOOST_STATIC_ASSERT( B )
+#     define BOOST_STATIC_ASSERT_MSG( B, Msg ) static_assert( B, Msg )
 #  endif
 #else
 #     define BOOST_STATIC_ASSERT_MSG( B, Msg ) BOOST_STATIC_ASSERT( B )
@@ -64,14 +64,6 @@
 #     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
@@ -117,14 +109,7 @@ template<int x> struct static_assert_test{};
 //
 #if !defined(BOOST_BUGGY_INTEGRAL_CONSTANT_EXPRESSIONS)
 
-#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)
+#if 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 ) >)>\
@@ -167,12 +152,12 @@ 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_STATIC_ASSERT_UNUSED_ATTRIBUTE
+               BOOST_JOIN(boost_static_assert_typedef_, __LINE__) BOOST_ATTRIBUTE_UNUSED
 #  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_STATIC_ASSERT_UNUSED_ATTRIBUTE
+               BOOST_JOIN(boost_static_assert_typedef_, __LINE__) BOOST_ATTRIBUTE_UNUSED
 #  endif
 #endif
 

meta/libraries.json

@@ -0,0 +1,16 @@
+{
+    "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>"
+    ]
+}