Silenced warnings about unused variables.

.travis.yml

@@ -0,0 +1,41 @@
+# Copyright 2016 Peter Dimov
+# Distributed under the Boost Software License, Version 1.0.
+# (See accompanying file LICENSE_1_0.txt or copy at http://boost.org/LICENSE_1_0.txt)
+
+language: cpp
+
+sudo: false
+
+os:
+  - linux
+  - osx
+
+branches:
+  only:
+    - master
+    - develop
+
+install:
+  - cd ..
+  - git clone -b $TRAVIS_BRANCH https://github.com/boostorg/boost.git boost-root
+  - cd boost-root
+  - git submodule init libs/assert
+  - git submodule init libs/config
+  - git submodule init libs/predef
+  - git submodule init libs/static_assert
+  - git submodule init libs/type_traits
+  - git submodule init tools/build
+  - git submodule init tools/inspect
+  - git submodule update
+  - cp -r $TRAVIS_BUILD_DIR/* libs/core
+  - ./bootstrap.sh
+  - ./b2 headers
+
+script:
+  - TOOLSET=gcc,clang
+  - if [ $TRAVIS_OS_NAME == osx ]; then TOOLSET=clang; fi
+  - ./b2 libs/core/test toolset=$TOOLSET
+
+notifications:
+  email:
+    on_success: always

README.md

@@ -8,6 +8,13 @@ The criteria for inclusion is that the utility component be:
 * used by other Boost libraries, and
 * not dependent on any other Boost modules except Core itself, Config, Assert, Static Assert, or Predef.
 
+### CI Status
+
+Branch   | Travis | Appveyor
+---------|--------|---------
+Develop  | [![Build Status](https://travis-ci.org/boostorg/core.svg?branch=develop)](https://travis-ci.org/boostorg/core) | [![Build Status](https://ci.appveyor.com/api/projects/status/github/boostorg/core?branch=develop&svg=true)](https://ci.appveyor.com/project/pdimov/core)
+Master   | [![Build Status](https://travis-ci.org/boostorg/core.svg?branch=master)](https://travis-ci.org/boostorg/core) | [![Build Status](https://ci.appveyor.com/api/projects/status/github/boostorg/core?branch=master&svg=true)](https://ci.appveyor.com/project/pdimov/core)
+
 ### Directories
 
 * **doc** - Documentation of the components

appveyor.yml

@@ -0,0 +1,33 @@
+# Copyright 2016 Peter Dimov
+# Distributed under the Boost Software License, Version 1.0.
+# (See accompanying file LICENSE_1_0.txt or copy at http://boost.org/LICENSE_1_0.txt)
+
+version: 1.0.{build}-{branch}
+
+shallow_clone: true
+
+branches:
+  only:
+    - master
+    - develop
+
+install:
+  - cd ..
+  - git clone -b %APPVEYOR_REPO_BRANCH% https://github.com/boostorg/boost.git boost-root
+  - cd boost-root
+  - git submodule init libs/assert
+  - git submodule init libs/config
+  - git submodule init libs/predef
+  - git submodule init libs/static_assert
+  - git submodule init libs/type_traits
+  - git submodule init tools/build
+  - git submodule init tools/inspect
+  - git submodule update
+  - xcopy /s /e /q %APPVEYOR_BUILD_FOLDER% libs\core
+  - bootstrap
+  - b2 headers
+
+build: off
+
+test_script:
+  - b2 libs/core/test toolset=msvc-9.0,msvc-10.0,msvc-11.0,msvc-14.0

doc/Jamfile.v2

@@ -52,5 +52,8 @@ boostbook standalone
     <format>pdf:<xsl:param>boost.url.prefix=http://www.boost.org/doc/libs/release/libs/core/doc/html
   ;
 
-alias boostdoc : standalone
-    : : : <implicit-dependency>standalone ;
+###############################################################################
+alias boostdoc ;
+explicit boostdoc ;
+alias boostrelease : standalone ;
+explicit boostrelease ;

doc/lightweight_test.qbk

@@ -32,6 +32,7 @@ When using `lightweight_test.hpp`, *do not forget* to
 
 ``
 #define BOOST_TEST(expression) /*unspecified*/
+#define BOOST_TEST_NOT(expression) /*unspecified*/
 #define BOOST_ERROR(message) /*unspecified*/
 #define BOOST_TEST_EQ(expr1, expr2) /*unspecified*/
 #define BOOST_TEST_NE(expr1, expr2) /*unspecified*/
@@ -56,6 +57,17 @@ message containing `expression`.
 
 [endsect]
 
+[section BOOST_TEST_NOT]
+
+``
+BOOST_TEST_NOT(expression)
+``
+
+If expression is true increases the error count and outputs a
+message containing `!(expression)`.
+
+[endsect]
+
 [section BOOST_ERROR]
 
 ``

include/boost/core/lightweight_test.hpp

@@ -85,6 +85,22 @@ inline void throw_failed_impl(char const * excep, char const * file, int line, c
    ++test_errors();
 }
 
+// In the comparisons below, it is possible that T and U are signed and unsigned integer types, which generates warnings in some compilers.
+// A cleaner fix would require common_type trait or some meta-programming, which would introduce a dependency on Boost.TypeTraits. To avoid
+// the dependency we just disable the warnings.
+#if defined(_MSC_VER)
+# pragma warning(push)
+# pragma warning(disable: 4389)
+#elif defined(__clang__) && defined(__has_warning)
+# if __has_warning("-Wsign-compare")
+#  pragma clang diagnostic push
+#  pragma clang diagnostic ignored "-Wsign-compare"
+# endif
+#elif defined(__GNUC__) && !(defined(__INTEL_COMPILER) || defined(__ICL) || defined(__ICC) || defined(__ECC)) && (__GNUC__ * 100 + __GNUC_MINOR__) >= 406
+# pragma GCC diagnostic push
+# pragma GCC diagnostic ignored "-Wsign-compare"
+#endif
+
 template<class T, class U> inline void test_eq_impl( char const * expr1, char const * expr2,
   char const * file, int line, char const * function, T const & t, U const & u )
 {
@@ -119,6 +135,16 @@ template<class T, class U> inline void test_ne_impl( char const * expr1, char co
     }
 }
 
+#if defined(_MSC_VER)
+# pragma warning(pop)
+#elif defined(__clang__) && defined(__has_warning)
+# if __has_warning("-Wsign-compare")
+#  pragma clang diagnostic pop
+# endif
+#elif defined(__GNUC__) && !(defined(__INTEL_COMPILER) || defined(__ICL) || defined(__ICC) || defined(__ECC)) && (__GNUC__ * 100 + __GNUC_MINOR__) >= 406
+# pragma GCC diagnostic pop
+#endif
+
 } // namespace detail
 
 inline int report_errors()
@@ -144,6 +170,7 @@ inline int report_errors()
 } // namespace boost
 
 #define BOOST_TEST(expr) ((expr)? (void)0: ::boost::detail::test_failed_impl(#expr, __FILE__, __LINE__, BOOST_CURRENT_FUNCTION))
+#define BOOST_TEST_NOT(expr) BOOST_TEST(!(expr))
 
 #define BOOST_ERROR(msg) ( ::boost::detail::error_impl(msg, __FILE__, __LINE__, BOOST_CURRENT_FUNCTION) )
 

include/boost/detail/iterator.hpp

@@ -9,6 +9,9 @@
 // This header is obsolete and will be deprecated.
 
 #include <iterator>
+#if defined(__SUNPRO_CC) && (defined(__SGI_STL_PORT) || defined(_STLPORT_VERSION))
+#include <cstddef>
+#endif
 
 namespace boost
 {
@@ -19,6 +22,16 @@ namespace detail
 using std::iterator_traits;
 using std::distance;
 
+#if defined(__SUNPRO_CC) && (defined(__SGI_STL_PORT) || defined(_STLPORT_VERSION))
+// std::distance from stlport with Oracle compiler 12.4 and 12.5 fails to deduce template parameters
+// when one of the arguments is an array and the other one is a pointer.
+template< typename T, std::size_t N >
+inline typename std::iterator_traits< T* >::difference_type distance(T (&left)[N], T* right)
+{
+    return std::distance(static_cast< T* >(left), right);
+}
+#endif
+
 } // namespace detail
 
 } // namespace boost

test/Jamfile.v2

@@ -6,6 +6,7 @@
 #  See accompanying file LICENSE_1_0.txt or copy at
 #  http://www.boost.org/LICENSE_1_0.txt
 
+import modules ;
 import testing ;
 
 run addressof_test.cpp ;
@@ -92,3 +93,6 @@ compile-fail scoped_enum_compile_fail_conv_from_int.cpp ;
 compile-fail scoped_enum_compile_fail_conv_to_int.cpp ;
 
 run underlying_type.cpp ;
+
+use-project /boost/core/swap : ./swap ;
+build-project ./swap ;

test/eif_namespace_disambiguation.cpp

@@ -10,16 +10,19 @@
 //             Jeremiah Willcock (jewillco at osl.iu.edu)
 //             Andrew Lumsdaine (lums at osl.iu.edu)
 
-#include <boost/mpl/not.hpp>
-
+#include <boost/config.hpp>
 #include <boost/utility/enable_if.hpp>
 #include <boost/type_traits/is_arithmetic.hpp>
 #include <boost/detail/lightweight_test.hpp>
 
 using boost::enable_if;
-using boost::mpl::not_;
 using boost::is_arithmetic;
 
+template<class T> struct not_
+{
+  BOOST_STATIC_CONSTANT( bool, value = !T::value );
+};
+
 namespace A {
   template<class T>
   typename enable_if<is_arithmetic<T>, bool>::type

test/eif_no_disambiguation.cpp

@@ -10,16 +10,19 @@
 //             Jeremiah Willcock (jewillco at osl.iu.edu)
 //             Andrew Lumsdaine (lums at osl.iu.edu)
 
-#include <boost/mpl/not.hpp>
-
+#include <boost/config.hpp>
 #include <boost/utility/enable_if.hpp>
 #include <boost/type_traits/is_arithmetic.hpp>
 #include <boost/detail/lightweight_test.hpp>
 
-using boost::mpl::not_;
 using boost::enable_if;
 using boost::is_arithmetic;
 
+template<class T> struct not_
+{
+  BOOST_STATIC_CONSTANT( bool, value = !T::value );
+};
+
 template<class T>
 typename enable_if<is_arithmetic<T>, bool>::type
 arithmetic_object(T t) { return true; }

test/explicit_operator_bool_compile_fail_conv_int.cpp

@@ -35,6 +35,7 @@ int main(int, char*[])
 {
     checkable val;
     int n = val;
+    (void)n;
 
     return 0;
 }

test/explicit_operator_bool_compile_fail_conv_pvoid.cpp

@@ -35,6 +35,7 @@ int main(int, char*[])
 {
     checkable val;
     void* p = val;
+    (void)p;
 
     return 0;
 }

test/get_pointer_test.cpp

@@ -27,10 +27,12 @@ int main()
         delete p;
     }
 
+#if !defined( BOOST_NO_AUTO_PTR )
     {
         std::auto_ptr< X > p( new X );
         BOOST_TEST( get_pointer( p ) == p.get() );
     }
+#endif
 
 #if !defined( BOOST_NO_CXX11_SMART_PTR )
 

test/lightweight_test_test.cpp

@@ -43,6 +43,16 @@ int main()
     BOOST_TEST( x++ == 1 );
     BOOST_TEST( x == 2? true: false );
     BOOST_TEST( x == 2? &x: 0 );
+    
+    // BOOST_TEST_NOT
+    
+    BOOST_TEST_NOT( x == 1 );
+    BOOST_TEST_NOT( ++x == 2 );
+    BOOST_TEST_NOT( x++ == 2 );
+    BOOST_TEST_NOT( --x == 2 );
+    BOOST_TEST_NOT( x-- == 2 );
+    BOOST_TEST_NOT( x == 2? false: true );
+    BOOST_TEST_NOT( x == 2? 0: &x );
 
     // BOOST_TEST_EQ
 

test/ref_rv_fail1.cpp

@@ -15,6 +15,7 @@
 int main()
 {
     boost::reference_wrapper<int const> r( 1 ); // this should produce an ERROR
+    (void)r;
 }
 
 #else

test/ref_rv_fail2.cpp

@@ -13,4 +13,5 @@
 int main()
 {
     boost::reference_wrapper<int> r = boost::ref( 2 ); // this should produce an ERROR
+    (void)r;
 }

test/ref_rv_fail3.cpp

@@ -19,6 +19,7 @@ X const crv() { return X(); }
 int main()
 {
     boost::reference_wrapper<X const> r = boost::ref( crv() ); // this should produce an ERROR
+    (void)r;
 }
 
 #else

test/ref_rv_fail4.cpp

@@ -16,6 +16,7 @@
 int main()
 {
     boost::reference_wrapper<int const> r = boost::cref( 2 ); // should fail
+    (void)r;
 }
 
 #else

test/ref_rv_fail5.cpp

@@ -20,6 +20,7 @@ X const crv() { return X(); }
 int main()
 {
     boost::reference_wrapper<X const> r = boost::cref( crv() ); // must fail
+    (void)r;
 }
 
 #else