Remove C++03 from Travis

.travis.yml

@@ -4,7 +4,9 @@
 
 language: cpp
 
-dist: xenial
+sudo: false
+
+dist: trusty
 
 branches:
   only:
@@ -24,11 +26,11 @@ matrix:
   include:
     - os: linux
       compiler: g++
-      env: TOOLSET=gcc COMPILER=g++ CXXSTD=03,11
+      env: TOOLSET=gcc COMPILER=g++ CXXSTD=11
 
     - os: linux
       compiler: g++-4.4
-      env: TOOLSET=gcc COMPILER=g++-4.4 CXXSTD=98,0x
+      env: TOOLSET=gcc COMPILER=g++-4.4 CXXSTD=0x
       addons:
         apt:
           packages:
@@ -38,7 +40,7 @@ matrix:
 
     - os: linux
       compiler: g++-4.6
-      env: TOOLSET=gcc COMPILER=g++-4.6 CXXSTD=03,0x
+      env: TOOLSET=gcc COMPILER=g++-4.6 CXXSTD=0x
       addons:
         apt:
           packages:
@@ -48,7 +50,7 @@ matrix:
 
     - os: linux
       compiler: g++-4.7
-      env: TOOLSET=gcc COMPILER=g++-4.7 CXXSTD=03,11
+      env: TOOLSET=gcc COMPILER=g++-4.7 CXXSTD=11
       addons:
         apt:
           packages:
@@ -58,7 +60,7 @@ matrix:
 
     - os: linux
       compiler: g++-4.8
-      env: TOOLSET=gcc COMPILER=g++-4.8 CXXSTD=03,11
+      env: TOOLSET=gcc COMPILER=g++-4.8 CXXSTD=11
       addons:
         apt:
           packages:
@@ -68,7 +70,7 @@ matrix:
 
     - os: linux
       compiler: g++-4.9
-      env: TOOLSET=gcc COMPILER=g++-4.9 CXXSTD=03,11
+      env: TOOLSET=gcc COMPILER=g++-4.9 CXXSTD=11
       addons:
         apt:
           packages:
@@ -78,7 +80,7 @@ matrix:
 
     - os: linux
       compiler: g++-5
-      env: TOOLSET=gcc COMPILER=g++-5 CXXSTD=03,11,14,1z
+      env: TOOLSET=gcc COMPILER=g++-5 CXXSTD=11,14,1z
       addons:
         apt:
           packages:
@@ -88,7 +90,7 @@ matrix:
 
     - os: linux
       compiler: g++-6
-      env: TOOLSET=gcc COMPILER=g++-6 CXXSTD=03,11,14,1z
+      env: TOOLSET=gcc COMPILER=g++-6 CXXSTD=11,14,1z
       addons:
         apt:
           packages:
@@ -98,7 +100,7 @@ matrix:
 
     - os: linux
       compiler: g++-7
-      env: TOOLSET=gcc COMPILER=g++-7 CXXSTD=03,11,14,17
+      env: TOOLSET=gcc COMPILER=g++-7 CXXSTD=11,14,17
       addons:
         apt:
           packages:
@@ -108,7 +110,7 @@ matrix:
 
     - os: linux
       compiler: g++-8
-      env: TOOLSET=gcc COMPILER=g++-8 CXXSTD=03,11,14,17
+      env: TOOLSET=gcc COMPILER=g++-8 CXXSTD=11,14,17
       addons:
         apt:
           packages:
@@ -118,7 +120,7 @@ matrix:
 
     - os: linux
       compiler: g++-9
-      env: TOOLSET=gcc COMPILER=g++-9 CXXSTD=03,11,14,17,2a
+      env: TOOLSET=gcc COMPILER=g++-9 CXXSTD=11,14,17,2a
       addons:
         apt:
           packages:
@@ -127,143 +129,122 @@ matrix:
             - ubuntu-toolchain-r-test
 
     - os: linux
-      compiler: g++-9
-      env: UBSAN=1 TOOLSET=gcc COMPILER=g++-9 CXXSTD=03,11,14,17,2a UBSAN_OPTIONS=print_stacktrace=1 LINKFLAGS=-fuse-ld=gold
+      compiler: g++-8
+      env: UBSAN=1 TOOLSET=gcc COMPILER=g++-8 CXXSTD=11,14,17 UBSAN_OPTIONS=print_stacktrace=1 LINKFLAGS=-fuse-ld=gold
       addons:
         apt:
           packages:
-            - g++-9
+            - g++-8
           sources:
             - ubuntu-toolchain-r-test
 
     - os: linux
       compiler: clang++
-      env: TOOLSET=clang COMPILER=clang++ CXXSTD=03,11
+      env: TOOLSET=clang COMPILER=clang++ CXXSTD=11
 
     - os: linux
-      dist: trusty
-      compiler: /usr/bin/clang++
-      env: TOOLSET=clang COMPILER=/usr/bin/clang++ CXXSTD=03,11
-      addons:
-        apt:
-          packages:
-            - clang-3.3
-
-    - os: linux
-      dist: trusty
-      compiler: /usr/bin/clang++
-      env: TOOLSET=clang COMPILER=/usr/bin/clang++ CXXSTD=03,11
-      addons:
-        apt:
-          packages:
-            - clang-3.4
-
-    - os: linux
-      dist: trusty
       compiler: clang++-3.5
-      env: TOOLSET=clang COMPILER=clang++-3.5 CXXSTD=03,11
+      env: TOOLSET=clang COMPILER=clang++-3.5 CXXSTD=11,14,1z
       addons:
         apt:
           packages:
             - clang-3.5
+            - libstdc++-4.9-dev
           sources:
             - ubuntu-toolchain-r-test
 
     - os: linux
       compiler: clang++-3.6
-      env: TOOLSET=clang COMPILER=clang++-3.6 CXXSTD=03,11,14,1z
+      env: TOOLSET=clang COMPILER=clang++-3.6 CXXSTD=11,14,1z
       addons:
         apt:
           packages:
             - clang-3.6
-          sources:
-            - ubuntu-toolchain-r-test
-
-    - os: linux
-      compiler: clang++-3.7
-      env: TOOLSET=clang COMPILER=clang++-3.7 CXXSTD=03,11,14,1z
-      addons:
-        apt:
-          packages:
-            - clang-3.7
+            - libstdc++-4.9-dev
           sources:
             - ubuntu-toolchain-r-test
 
     - os: linux
       compiler: clang++-3.8
-      env: TOOLSET=clang COMPILER=clang++-3.8 CXXSTD=03,11,14,1z
+      env: TOOLSET=clang COMPILER=clang++-3.8 CXXSTD=11,14,1z
       addons:
         apt:
           packages:
             - clang-3.8
+            - libstdc++-4.9-dev
           sources:
             - ubuntu-toolchain-r-test
 
     - os: linux
       compiler: clang++-3.9
-      env: TOOLSET=clang COMPILER=clang++-3.9 CXXSTD=03,11,14,1z
+      env: TOOLSET=clang COMPILER=clang++-3.9 CXXSTD=11,14,1z
       addons:
         apt:
           packages:
             - clang-3.9
+            - libstdc++-4.9-dev
           sources:
             - ubuntu-toolchain-r-test
 
     - os: linux
       compiler: clang++-4.0
-      env: TOOLSET=clang COMPILER=clang++-4.0 CXXSTD=03,11,14,1z
+      env: TOOLSET=clang COMPILER=clang++-4.0 CXXSTD=11,14,1z
       addons:
         apt:
           packages:
             - clang-4.0
           sources:
             - ubuntu-toolchain-r-test
+            - llvm-toolchain-trusty-4.0
 
     - os: linux
       compiler: clang++-5.0
-      env: TOOLSET=clang COMPILER=clang++-5.0 CXXSTD=03,11,14,1z
+      env: TOOLSET=clang COMPILER=clang++-5.0 CXXSTD=11,14,1z
       addons:
         apt:
           packages:
             - clang-5.0
           sources:
             - ubuntu-toolchain-r-test
+            - llvm-toolchain-trusty-5.0
 
     - os: linux
       compiler: clang++-6.0
-      env: TOOLSET=clang COMPILER=clang++-6.0 CXXSTD=03,11,14,17
+      env: TOOLSET=clang COMPILER=clang++-6.0 CXXSTD=11,14,17
       addons:
         apt:
           packages:
             - clang-6.0
           sources:
             - ubuntu-toolchain-r-test
+            - llvm-toolchain-trusty-6.0
 
     - os: linux
       compiler: clang++-7
-      env: TOOLSET=clang COMPILER=clang++-7 CXXSTD=03,11,14,17
+      env: TOOLSET=clang COMPILER=clang++-7 CXXSTD=11,14,17
       addons:
         apt:
           packages:
             - clang-7
           sources:
             - ubuntu-toolchain-r-test
-            - llvm-toolchain-xenial-7
+            - llvm-toolchain-trusty-7
 
     - os: linux
       compiler: clang++-8
-      env: TOOLSET=clang COMPILER=clang++-8 CXXSTD=03,11,14,17,2a
+      env: TOOLSET=clang COMPILER=clang++-8 CXXSTD=11,14,17,2a
       addons:
         apt:
           packages:
             - clang-8
           sources:
             - ubuntu-toolchain-r-test
-            - llvm-toolchain-xenial-8
+            - llvm-toolchain-trusty-8
 
     - os: linux
+      dist: xenial
       compiler: clang++-9
-      env: TOOLSET=clang COMPILER=clang++-9 CXXSTD=03,11,14,17,2a
+      env: TOOLSET=clang COMPILER=clang++-9 CXXSTD=11,14,17,2a
       addons:
         apt:
           packages:
@@ -274,20 +255,20 @@ matrix:
               key_url: 'https://apt.llvm.org/llvm-snapshot.gpg.key'
 
     - os: linux
-      compiler: clang++-8
-      env: UBSAN=1 TOOLSET=clang COMPILER=clang++-8 CXXSTD=03,11,14,17,2a UBSAN_OPTIONS=print_stacktrace=1
+      compiler: clang++-6.0
+      env: UBSAN=1 TOOLSET=clang COMPILER=clang++-6.0 CXXSTD=11,14,1z UBSAN_OPTIONS=print_stacktrace=1
       addons:
         apt:
           packages:
-            - clang-8
+            - clang-6.0
+            - libstdc++-5-dev
           sources:
             - ubuntu-toolchain-r-test
-            - llvm-toolchain-xenial-8
+            - llvm-toolchain-trusty-6.0
 
     - os: linux
-      dist: trusty
       compiler: clang++-libc++
-      env: TOOLSET=clang COMPILER=clang++-libc++ CXXSTD=03,11,14,1z
+      env: TOOLSET=clang COMPILER=clang++-libc++ CXXSTD=11,14,1z
       addons:
         apt:
           packages:
@@ -295,9 +276,8 @@ matrix:
             - libc++abi-dev
 
     - os: linux
-      dist: trusty
       compiler: clang++-libc++
-      env: UBSAN=1 TOOLSET=clang COMPILER=clang++-libc++ CXXSTD=03,11,14,1z UBSAN_OPTIONS=print_stacktrace=1
+      env: UBSAN=1 TOOLSET=clang COMPILER=clang++-libc++ CXXSTD=11,14,1z UBSAN_OPTIONS=print_stacktrace=1
       addons:
         apt:
           packages:
@@ -306,55 +286,33 @@ matrix:
 
     - os: osx
       compiler: clang++
-      env: TOOLSET=clang COMPILER=clang++ CXXSTD=03,11,14,1z
+      env: TOOLSET=clang COMPILER=clang++ CXXSTD=11,14,1z
       osx_image: xcode7.3
 
     - os: osx
       compiler: clang++
-      env: TOOLSET=clang COMPILER=clang++ CXXSTD=03,11,14,1z
+      env: TOOLSET=clang COMPILER=clang++ CXXSTD=11,14,1z
       osx_image: xcode8.3
 
     - os: osx
       compiler: clang++
-      env: TOOLSET=clang COMPILER=clang++ CXXSTD=03,11,14,1z
+      env: TOOLSET=clang COMPILER=clang++ CXXSTD=11,14,1z
       osx_image: xcode9.4
 
     - os: osx
       compiler: clang++
-      env: TOOLSET=clang COMPILER=clang++ CXXSTD=03,11,14,1z
+      env: TOOLSET=clang COMPILER=clang++ CXXSTD=11,14,1z
       osx_image: xcode10.1
 
     - os: linux
-      env: CMAKE_TEST=1
-      script:
-        - mkdir __build__ && cd __build__
-        - cmake -DBOOST_ENABLE_CMAKE=1 -DBoost_VERBOSE=1 -DBOOST_INCLUDE_LIBRARIES=core ..
-        - ctest --output-on-failure -R boost_core
-
-    - os: linux
+      compiler: g++
       env: CMAKE_SUBDIR_TEST=1
-      install:
-        - BOOST_BRANCH=develop
-        - if [ "$TRAVIS_BRANCH" = "master" ]; then BOOST_BRANCH=master; fi
-        - git clone -b $BOOST_BRANCH https://github.com/boostorg/config.git ../config
-        - git clone -b $BOOST_BRANCH https://github.com/boostorg/assert.git ../assert
       script:
-      - cd test/cmake_subdir_test && mkdir __build__ && cd __build__
+      - cd libs/core/test/cmake_subdir_test && mkdir __build__ && cd __build__
       - cmake ..
       - cmake --build .
       - cmake --build . --target check
 
-    - os: linux
-      env: CMAKE_INSTALL_TEST=1
-      script:
-        - mkdir __build__ && cd __build__
-        - cmake -DBOOST_ENABLE_CMAKE=1 -DBoost_VERBOSE=1 -DBOOST_INCLUDE_LIBRARIES="assert;config;core" -DCMAKE_INSTALL_PREFIX=~/.local ..
-        - cmake --build . --target install
-        - cd ../libs/core/test/cmake_install_test && mkdir __build__ && cd __build__
-        - cmake -DCMAKE_INSTALL_PREFIX=~/.local ..
-        - cmake --build .
-        - cmake --build . --target check
-
 install:
   - BOOST_BRANCH=develop
   - if [ "$TRAVIS_BRANCH" = "master" ]; then BOOST_BRANCH=master; fi
@@ -370,7 +328,6 @@ install:
   - git submodule init libs/type_traits
   - git submodule init tools/build
   - git submodule init tools/boost_install
-  - git submodule init tools/cmake
   - git submodule update --jobs 4
   - cp -r $TRAVIS_BUILD_DIR/* libs/core
   - ./bootstrap.sh

CMakeLists.txt

@@ -1,10 +1,13 @@
-# Copyright 2018, 2019 Peter Dimov
+# Copyright 2018 Peter Dimov
 # Distributed under the Boost Software License, Version 1.0.
 # See accompanying file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt
 
-cmake_minimum_required(VERSION 3.5...3.16)
+# Partial (add_subdirectory only) and experimental CMake support
+# Subject to change; please do not rely on the contents of this file yet
 
-project(boost_core VERSION "${BOOST_SUPERPROJECT_VERSION}" LANGUAGES CXX)
+cmake_minimum_required(VERSION 3.5)
+
+project(BoostCore LANGUAGES CXX)
 
 add_library(boost_core INTERFACE)
 add_library(Boost::core ALIAS boost_core)
@@ -12,20 +15,7 @@ add_library(Boost::core ALIAS boost_core)
 target_include_directories(boost_core INTERFACE include)
 
 target_link_libraries(boost_core
-  INTERFACE
-    Boost::assert
-    Boost::config
+    INTERFACE
+        Boost::assert
+        Boost::config
 )
-
-if(BOOST_SUPERPROJECT_VERSION)
-
-  include(BoostInstall)
-  boost_install(TARGETS boost_core HEADER_DIRECTORY include/)
-
-endif()
-
-if(BUILD_TESTING)
-
-  add_subdirectory(test)
-
-endif()

appveyor.yml

@@ -22,17 +22,10 @@ environment:
       ADDRMD: 32,64
 
     - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2017
-      TOOLSET: msvc-14.1
+      TOOLSET: msvc-14.1,clang-win
       ADDRMD: 32,64
       CXXSTD: 14,17
 
-    # clang-win 32 bit fails to link with "unable to load mspdbcore.dll (error code: 126)"
-
-    - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2017
-      TOOLSET: clang-win
-      ADDRMD: 64
-      CXXSTD: 14,17
-
     - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2019
       TOOLSET: msvc-14.2
       ADDRMD: 32,64

doc/empty_value.qbk

@@ -97,8 +97,6 @@ public:
     T& get() noexcept;
 };
 
-inline constexpr empty_init_t empty_init{ };
-
 } /* boost */
 ```
 

include/boost/core/empty_value.hpp

@@ -139,8 +139,6 @@ public:
 
 using empty_::empty_value;
 
-BOOST_INLINE_CONSTEXPR empty_init_t empty_init = empty_init_t();
-
 } /* boost */
 
 #endif

include/boost/core/lightweight_test.hpp

@@ -30,10 +30,6 @@
 #include <cstring>
 #include <cstddef>
 
-#if defined(_MSC_VER) && defined(_CPPLIB_VER) && defined(_DEBUG)
-# include <crtdbg.h>
-#endif
-
 //  IDE's like Visual Studio perform better if output goes to std::cout or
 //  some other stream, so allow user to configure output stream:
 #ifndef BOOST_LIGHTWEIGHT_TEST_OSTREAM
@@ -52,13 +48,7 @@ public:
         : report_(false)
         , errors_(0) {
 #if defined(_MSC_VER) && (_MSC_VER > 1310)
-        // disable message boxes on assert(), abort()
         ::_set_abort_behavior(0, _WRITE_ABORT_MSG | _CALL_REPORTFAULT);
-#endif
-#if defined(_MSC_VER) && defined(_CPPLIB_VER) && defined(_DEBUG)
-        // disable message boxes on iterator debugging violations
-        _CrtSetReportMode( _CRT_ASSERT, _CRTDBG_MODE_FILE );
-        _CrtSetReportFile( _CRT_ASSERT, _CRTDBG_FILE_STDERR );
 #endif
     }
 
@@ -93,21 +83,12 @@ inline int& test_errors()
     return test_results().errors();
 }
 
-inline bool test_impl(char const * expr, char const * file, int line, char const * function, bool v)
+inline void test_failed_impl(char const * expr, char const * file, int line, char const * function)
 {
-    if( v )
-    {
-        test_results();
-        return true;
-    }
-    else
-    {
-        BOOST_LIGHTWEIGHT_TEST_OSTREAM
-          << file << "(" << line << "): test '" << expr << "' failed in function '"
-          << function << "'" << std::endl;
-        ++test_results().errors();
-        return false;
-    }
+    BOOST_LIGHTWEIGHT_TEST_OSTREAM
+      << file << "(" << line << "): test '" << expr << "' failed in function '"
+      << function << "'" << std::endl;
+    ++test_results().errors();
 }
 
 inline void error_impl(char const * msg, char const * file, int line, char const * function)
@@ -193,14 +174,13 @@ struct lw_test_ge {
 };
 
 template<class BinaryPredicate, class T, class U>
-inline bool test_with_impl(BinaryPredicate pred, char const * expr1, char const * expr2,
+inline void test_with_impl(BinaryPredicate pred, char const * expr1, char const * expr2,
                            char const * file, int line, char const * function,
                            T const & t, U const & u)
 {
     if( pred(t, u) )
     {
         test_results();
-        return true;
     }
     else
     {
@@ -209,17 +189,15 @@ inline bool test_with_impl(BinaryPredicate pred, char const * expr1, char const
             << "' ('" << test_output_impl(t) << "' " << pred.op() << " '" << test_output_impl(u)
             << "') failed in function '" << function << "'" << std::endl;
         ++test_results().errors();
-        return false;
     }
 }
 
-inline bool test_cstr_eq_impl( char const * expr1, char const * expr2,
+inline void test_cstr_eq_impl( char const * expr1, char const * expr2,
   char const * file, int line, char const * function, char const * const t, char const * const u )
 {
     if( std::strcmp(t, u) == 0 )
     {
         test_results();
-        return true;
     }
     else
     {
@@ -227,17 +205,15 @@ inline bool test_cstr_eq_impl( char const * expr1, char const * expr2,
             << file << "(" << line << "): test '" << expr1 << " == " << expr2 << "' ('" << t
             << "' == '" << u << "') failed in function '" << function << "'" << std::endl;
         ++test_results().errors();
-        return false;
     }
 }
 
-inline bool test_cstr_ne_impl( char const * expr1, char const * expr2,
+inline void test_cstr_ne_impl( char const * expr1, char const * expr2,
   char const * file, int line, char const * function, char const * const t, char const * const u )
 {
     if( std::strcmp(t, u) != 0 )
     {
         test_results();
-        return true;
     }
     else
     {
@@ -245,12 +221,11 @@ inline bool test_cstr_ne_impl( char const * expr1, char const * expr2,
             << file << "(" << line << "): test '" << expr1 << " != " << expr2 << "' ('" << t
             << "' != '" << u << "') failed in function '" << function << "'" << std::endl;
         ++test_results().errors();
-        return false;
     }
 }
 
 template<class FormattedOutputFunction, class InputIterator1, class InputIterator2>
-bool test_all_eq_impl(FormattedOutputFunction& output,
+void test_all_eq_impl(FormattedOutputFunction& output,
                       char const * file, int line, char const * function,
                       InputIterator1 first_begin, InputIterator1 first_end,
                       InputIterator2 second_begin, InputIterator2 second_end)
@@ -309,18 +284,16 @@ bool test_all_eq_impl(FormattedOutputFunction& output,
     if (error_count == 0)
     {
         test_results();
-        return true;
     }
     else
     {
         output << std::endl;
         ++test_results().errors();
-        return false;
     }
 }
 
 template<class FormattedOutputFunction, class InputIterator1, class InputIterator2, typename BinaryPredicate>
-bool test_all_with_impl(FormattedOutputFunction& output,
+void test_all_with_impl(FormattedOutputFunction& output,
                         char const * file, int line, char const * function,
                         InputIterator1 first_begin, InputIterator1 first_end,
                         InputIterator2 second_begin, InputIterator2 second_end,
@@ -380,13 +353,11 @@ bool test_all_with_impl(FormattedOutputFunction& output,
     if (error_count == 0)
     {
         test_results();
-        return true;
     }
     else
     {
         output << std::endl;
         ++test_results().errors();
-        return false;
     }
 }
 
@@ -426,7 +397,7 @@ inline int report_errors()
 
 } // namespace boost
 
-#define BOOST_TEST(expr) ( ::boost::detail::test_impl(#expr, __FILE__, __LINE__, BOOST_CURRENT_FUNCTION, (expr)? true: false) )
+#define BOOST_TEST(expr) ((expr)? (void)::boost::detail::test_results(): ::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/core/pointer_traits.hpp

@@ -13,7 +13,6 @@ Distributed under the Boost Software License, Version 1.0.
 #include <memory>
 #else
 #include <boost/core/addressof.hpp>
-#include <cstddef>
 #endif
 
 namespace boost {

include/boost/core/quick_exit.hpp

@@ -16,7 +16,7 @@
 //  http://www.boost.org/LICENSE_1_0.txt)
 
 #include <boost/config.hpp>
-#include <stdlib.h>
+#include <cstdlib>
 
 #if defined(__MINGW32__) && !defined(__MINGW64_VERSION_MAJOR)
 

include/boost/core/ref.hpp

@@ -7,6 +7,90 @@
 # pragma once
 #endif
 
+#if 1
+
+#include <boost/config.hpp>
+#include <functional>
+
+namespace boost
+{
+
+using std::reference_wrapper;
+using std::ref;
+using std::cref;
+
+// is_reference_wrapper
+
+template<typename T> struct is_reference_wrapper
+{
+    BOOST_STATIC_CONSTANT( bool, value = false );
+};
+
+template<typename T> struct is_reference_wrapper< reference_wrapper<T> >
+{
+    BOOST_STATIC_CONSTANT( bool, value = true );
+};
+
+template<typename T> struct is_reference_wrapper< reference_wrapper<T> const >
+{
+    BOOST_STATIC_CONSTANT( bool, value = true );
+};
+
+template<typename T> struct is_reference_wrapper< reference_wrapper<T> volatile >
+{
+    BOOST_STATIC_CONSTANT( bool, value = true );
+};
+
+template<typename T> struct is_reference_wrapper< reference_wrapper<T> const volatile >
+{
+    BOOST_STATIC_CONSTANT( bool, value = true );
+};
+
+// unwrap_reference
+
+template<typename T> struct unwrap_reference
+{
+    typedef T type;
+};
+
+template<typename T> struct unwrap_reference< reference_wrapper<T> >
+{
+    typedef T type;
+};
+
+template<typename T> struct unwrap_reference< reference_wrapper<T> const >
+{
+    typedef T type;
+};
+
+template<typename T> struct unwrap_reference< reference_wrapper<T> volatile >
+{
+    typedef T type;
+};
+
+template<typename T> struct unwrap_reference< reference_wrapper<T> const volatile >
+{
+    typedef T type;
+};
+
+// unwrap_ref
+
+template<class T> BOOST_FORCEINLINE typename unwrap_reference<T>::type& unwrap_ref( T & t )
+{
+    return t;
+}
+
+// get_pointer
+
+template<class T> BOOST_FORCEINLINE T* get_pointer( reference_wrapper<T> const & r )
+{
+    return std::addressof( r.get() );
+}
+
+} // namespace boost
+
+#else
+
 #include <boost/config.hpp>
 #include <boost/config/workaround.hpp>
 #include <boost/core/addressof.hpp>
@@ -299,4 +383,6 @@ template<class T> BOOST_FORCEINLINE T* get_pointer( reference_wrapper<T> const &
 
 } // namespace boost
 
+#endif
+
 #endif // #ifndef BOOST_CORE_REF_HPP

include/boost/core/swap.hpp

@@ -23,11 +23,8 @@
 
 #include <boost/core/enable_if.hpp>
 #include <boost/config.hpp>
-#if __cplusplus >= 201103L || defined(BOOST_MSVC)
 #include <utility> //for std::swap (C++11)
-#else
 #include <algorithm> //for std::swap (C++98)
-#endif
 #include <cstddef> //for std::size_t
 
 namespace boost_swap_impl

test/CMakeLists.txt

@@ -1,13 +0,0 @@
-# Copyright 2018, 2019 Peter Dimov
-# Distributed under the Boost Software License, Version 1.0.
-# See accompanying file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt
-
-include(BoostTestJamfile OPTIONAL RESULT_VARIABLE HAVE_BOOST_TEST)
-
-if(HAVE_BOOST_TEST)
-
-boost_test_jamfile(FILE Jamfile.v2 LINK_LIBRARIES Boost::core Boost::static_assert Boost::type_traits Boost::throw_exception)
-
-endif()
-
-add_subdirectory(swap)

test/Jamfile.v2

@@ -55,12 +55,10 @@ compile-fail explicit_operator_bool_compile_fail_conv_pvoid.cpp ;
 compile-fail explicit_operator_bool_compile_fail_delete.cpp ;
 compile-fail explicit_operator_bool_compile_fail_shift.cpp ;
 
-compile ignore_unused_test.cpp
-  : <warnings>extra
-    <toolset>gcc:<warnings-as-errors>on
-    <toolset>clang:<warnings-as-errors>on
-    <toolset>msvc:<warnings-as-errors>on ;
-
+compile ignore_unused_test.cpp : <toolset>gcc-4.8:<cxxflags>"-Wunused-variable -Wunused-local-typedefs -Werror"
+                                   <toolset>gcc:<cxxflags>"-Wunused-variable -Werror"
+                                   <toolset>clang:<cxxflags>"-Wunused-variable -Werror"
+                                   <toolset>msvc:<cxxflags>"/we4100 /we4101" ;
 run sp_typeinfo_test.cpp ;
 run sp_typeinfo_test.cpp : : : <rtti>off : sp_typeinfo_test_no_rtti ;
 
@@ -77,8 +75,7 @@ run lightweight_test_gt_ge_test.cpp ;
 run lightweight_test_eq_nullptr.cpp ;
 run lightweight_test_test3.cpp ;
 run lightweight_test_test4.cpp ;
-run lightweight_test_test5.cpp
-  : : :
+run lightweight_test_test5.cpp : : :
     <warnings>extra
     <toolset>msvc:<warnings-as-errors>on
     <toolset>gcc:<warnings-as-errors>on
@@ -100,15 +97,13 @@ run-fail lightweight_test_fail8.cpp ;
 run-fail lightweight_test_fail8.cpp : : : <rtti>off : lightweight_test_fail8_no_rtti ;
 run-fail lightweight_test_fail9.cpp ;
 run-fail lightweight_test_fail10.cpp ;
-run-fail lightweight_test_fail11.cpp : ;
+run-fail lightweight_test_fail11.cpp ;
 run-fail lightweight_test_fail12.cpp ;
 run-fail lightweight_test_lt_fail.cpp ;
 run-fail lightweight_test_le_fail.cpp ;
 run-fail lightweight_test_gt_fail.cpp ;
 run-fail lightweight_test_ge_fail.cpp ;
 
-run lightweight_test_bool.cpp ;
-
 run is_same_test.cpp ;
 
 run typeinfo_test.cpp ;
@@ -117,12 +112,9 @@ run typeinfo_test.cpp : : : <rtti>off : typeinfo_test_no_rtti ;
 run iterator_test.cpp ;
 run detail_iterator_test.cpp ;
 
-run demangle_test.cpp
-  : : : <test-info>always_show_run_output ;
-
-run demangled_name_test.cpp
-  : : : <test-info>always_show_run_output ;
+run demangle_test.cpp  : : : <test-info>always_show_run_output ;
 
+run demangled_name_test.cpp  : : : <test-info>always_show_run_output ;
 run demangled_name_test.cpp  : : : <rtti>off <test-info>always_show_run_output : demangled_name_test_no_rtti ;
 
 run scoped_enum.cpp ;
@@ -169,10 +161,8 @@ run test_lib_typeid.cpp lib_typeid : : : <link>static : test_lib_typeid_static ;
 run test_lib_typeid.cpp lib_typeid : : : <link>shared <rtti>off : test_lib_typeid_shared_no_rtti ;
 run test_lib_typeid.cpp lib_typeid : : : <link>static <rtti>off : test_lib_typeid_static_no_rtti ;
 
-run uncaught_exceptions.cpp
-  : : : <exception-handling>on ;
-run uncaught_exceptions_np.cpp
-  : : : <exception-handling>on ;
+run uncaught_exceptions.cpp : : : <exception-handling>on ;
+run uncaught_exceptions_np.cpp : : : <exception-handling>on ;
 
 run no_exceptions_support_test.cpp ;
 run no_exceptions_support_test.cpp : : : <exception-handling>off : no_exceptions_support_test_nx ;

test/addressof_fn_test.cpp

@@ -16,7 +16,7 @@
 //  http://www.boost.org/LICENSE_1_0.txt
 
 #include <boost/utility/addressof.hpp>
-#include <boost/core/lightweight_test.hpp>
+#include <boost/detail/lightweight_test.hpp>
 
 
 void f0()

test/addressof_np_test.cpp

@@ -7,7 +7,7 @@
 //
 
 #include <boost/utility/addressof.hpp>
-#include <boost/core/lightweight_test.hpp>
+#include <boost/detail/lightweight_test.hpp>
 #include <cstddef>
 
 #if defined( BOOST_NO_CXX11_NULLPTR )

test/addressof_test.cpp

@@ -20,7 +20,7 @@
 #pragma warning(pop)
 #endif
 
-#include <boost/core/lightweight_test.hpp>
+#include <boost/detail/lightweight_test.hpp>
 
 template<class T> void scalar_test( T * = 0 )
 {

test/addressof_test2.cpp

@@ -22,7 +22,7 @@
 #pragma warning(pop)
 #endif
 
-#include <boost/core/lightweight_test.hpp>
+#include <boost/detail/lightweight_test.hpp>
 
 template<class T> void scalar_test( T * = 0 )
 {

test/cmake_install_test/CMakeLists.txt

@@ -1,17 +0,0 @@
-# Copyright 2018, 2019 Peter Dimov
-# Distributed under the Boost Software License, Version 1.0.
-# See accompanying file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt
-
-cmake_minimum_required(VERSION 3.5...3.16)
-
-project(cmake_install_test LANGUAGES CXX)
-
-find_package(boost_core REQUIRED)
-
-add_executable(quick ../quick.cpp)
-target_link_libraries(quick Boost::core)
-
-enable_testing()
-add_test(quick quick)
-
-add_custom_target(check COMMAND ${CMAKE_CTEST_COMMAND} --output-on-failure -C $<CONFIG>)

test/cmake_subdir_test/CMakeLists.txt

@@ -2,7 +2,7 @@
 # Distributed under the Boost Software License, Version 1.0.
 # See accompanying file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt
 
-cmake_minimum_required(VERSION 3.5...3.16)
+cmake_minimum_required(VERSION 3.5)
 
 project(cmake_subdir_test LANGUAGES CXX)
 

test/eif_constructors.cpp

@@ -12,7 +12,7 @@
 
 #include <boost/utility/enable_if.hpp>
 #include <boost/type_traits.hpp>
-#include <boost/core/lightweight_test.hpp>
+#include <boost/detail/lightweight_test.hpp>
 
 using boost::enable_if;
 using boost::disable_if;

test/eif_dummy_arg_disambiguation.cpp

@@ -12,7 +12,7 @@
 
 #include <boost/utility/enable_if.hpp>
 #include <boost/type_traits/is_arithmetic.hpp>
-#include <boost/core/lightweight_test.hpp>
+#include <boost/detail/lightweight_test.hpp>
 
 using boost::enable_if;
 using boost::disable_if;

test/eif_lazy.cpp

@@ -12,7 +12,7 @@
 
 #include <boost/utility/enable_if.hpp>
 #include <boost/type_traits/is_same.hpp>
-#include <boost/core/lightweight_test.hpp>
+#include <boost/detail/lightweight_test.hpp>
 
 using boost::enable_if_c;
 using boost::lazy_enable_if_c;

test/eif_lazy_test.cpp

@@ -14,7 +14,7 @@
 
 #include <boost/utility/enable_if.hpp>
 #include <boost/type_traits/is_same.hpp>
-#include <boost/core/lightweight_test.hpp>
+#include <boost/detail/lightweight_test.hpp>
 
 using boost::lazy_enable_if;
 using boost::lazy_disable_if;

test/eif_member_templates.cpp

@@ -12,7 +12,7 @@
 
 #include <boost/utility/enable_if.hpp>
 #include <boost/type_traits/is_arithmetic.hpp>
-#include <boost/core/lightweight_test.hpp>
+#include <boost/detail/lightweight_test.hpp>
 
 using boost::enable_if;
 using boost::disable_if;

test/eif_namespace_disambiguation.cpp

@@ -13,7 +13,7 @@
 #include <boost/config.hpp>
 #include <boost/utility/enable_if.hpp>
 #include <boost/type_traits/is_arithmetic.hpp>
-#include <boost/core/lightweight_test.hpp>
+#include <boost/detail/lightweight_test.hpp>
 
 using boost::enable_if;
 using boost::is_arithmetic;

test/eif_no_disambiguation.cpp

@@ -13,7 +13,7 @@
 #include <boost/config.hpp>
 #include <boost/utility/enable_if.hpp>
 #include <boost/type_traits/is_arithmetic.hpp>
-#include <boost/core/lightweight_test.hpp>
+#include <boost/detail/lightweight_test.hpp>
 
 using boost::enable_if;
 using boost::is_arithmetic;

test/eif_partial_specializations.cpp

@@ -12,7 +12,7 @@
 
 #include <boost/utility/enable_if.hpp>
 #include <boost/type_traits/is_arithmetic.hpp>
-#include <boost/core/lightweight_test.hpp>
+#include <boost/detail/lightweight_test.hpp>
 
 using boost::enable_if_has_type;
 using boost::enable_if_c;

test/explicit_operator_bool_noexcept.cpp

@@ -18,7 +18,7 @@
 
 #if !defined(BOOST_NO_CXX11_NOEXCEPT)
 
-#include <boost/core/lightweight_test.hpp>
+#include <boost/detail/lightweight_test.hpp>
 #include <boost/utility/explicit_operator_bool.hpp>
 
 namespace {

test/lightweight_test_bool.cpp

@@ -1,63 +0,0 @@
-// Copyright 2020 Peter Dimov
-// Distributed under the Boost Software License, Version 1.0.
-// https://www.boost.org/LICENSE_1_0.txt
-
-#include <boost/core/lightweight_test.hpp>
-#include <vector>
-
-int main()
-{
-    BOOST_TEST( BOOST_TEST( true ) );
-    BOOST_TEST_NOT( BOOST_TEST( false ) );
-
-    BOOST_TEST( BOOST_TEST_NOT( false ) );
-    BOOST_TEST_NOT( BOOST_TEST_NOT( true ) );
-
-    BOOST_TEST( BOOST_TEST_EQ( 1, 1 ) );
-    BOOST_TEST_NOT( BOOST_TEST_EQ( 1, 2 ) );
-
-    BOOST_TEST( BOOST_TEST_NE( 1, 2 ) );
-    BOOST_TEST_NOT( BOOST_TEST_NE( 1, 1 ) );
-
-    BOOST_TEST( BOOST_TEST_LT( 1, 2 ) );
-    BOOST_TEST_NOT( BOOST_TEST_LT( 1, 1 ) );
-
-    BOOST_TEST( BOOST_TEST_LE( 1, 1 ) );
-    BOOST_TEST_NOT( BOOST_TEST_LE( 2, 1 ) );
-
-    BOOST_TEST( BOOST_TEST_GT( 2, 1 ) );
-    BOOST_TEST_NOT( BOOST_TEST_GT( 1, 1 ) );
-
-    BOOST_TEST( BOOST_TEST_GE( 1, 1 ) );
-    BOOST_TEST_NOT( BOOST_TEST_GE( 1, 2 ) );
-
-    BOOST_TEST( BOOST_TEST_CSTR_EQ( "1", "1" ) );
-    BOOST_TEST_NOT( BOOST_TEST_CSTR_EQ( "1", "2" ) );
-
-    BOOST_TEST( BOOST_TEST_CSTR_NE( "1", "2" ) );
-    BOOST_TEST_NOT( BOOST_TEST_CSTR_NE( "1", "1" ) );
-
-    std::vector<int> v1;
-    v1.push_back( 1 );
-
-    std::vector<int> v2;
-
-    BOOST_TEST( BOOST_TEST_ALL_EQ(v1.begin(), v1.end(), v1.begin(), v1.end()) );
-    BOOST_TEST_NOT( BOOST_TEST_ALL_EQ(v1.begin(), v1.end(), v2.begin(), v2.end()) );
-
-    BOOST_TEST( BOOST_TEST_ALL_WITH(v1.begin(), v1.end(), v1.begin(), v1.end(), boost::detail::lw_test_eq()) );
-    BOOST_TEST_NOT( BOOST_TEST_ALL_WITH(v1.begin(), v1.end(), v2.begin(), v2.end(), boost::detail::lw_test_eq()) );
-
-    int const * p = 0;
-
-    BOOST_TEST( p == 0 ) || BOOST_TEST_EQ( *p, 0 );
-    BOOST_TEST( p != 0 ) && BOOST_TEST_EQ( *p, 0 );
-
-    int x = 0;
-    p = &x;
-
-    BOOST_TEST( p == 0 ) || BOOST_TEST_EQ( *p, 0 );
-    BOOST_TEST( p != 0 ) && BOOST_TEST_EQ( *p, 0 );
-
-    return boost::report_errors() == 14? 0: 1;
-}

test/lightweight_test_fail.cpp

@@ -8,7 +8,7 @@
 // http://www.boost.org/LICENSE_1_0.txt
 //
 
-#include <boost/core/lightweight_test.hpp>
+#include <boost/detail/lightweight_test.hpp>
 
 int main()
 {

test/lightweight_test_fail2.cpp

@@ -8,7 +8,7 @@
 // http://www.boost.org/LICENSE_1_0.txt
 //
 
-#include <boost/core/lightweight_test.hpp>
+#include <boost/detail/lightweight_test.hpp>
 
 int main()
 {

test/lightweight_test_fail3.cpp

@@ -8,7 +8,7 @@
 // http://www.boost.org/LICENSE_1_0.txt
 //
 
-#include <boost/core/lightweight_test.hpp>
+#include <boost/detail/lightweight_test.hpp>
 
 int main()
 {

test/lightweight_test_fail4.cpp

@@ -8,7 +8,7 @@
 // http://www.boost.org/LICENSE_1_0.txt
 //
 
-#include <boost/core/lightweight_test.hpp>
+#include <boost/detail/lightweight_test.hpp>
 
 int main()
 {

test/lightweight_test_fail5.cpp

@@ -8,7 +8,7 @@
 // http://www.boost.org/LICENSE_1_0.txt
 //
 
-#include <boost/core/lightweight_test.hpp>
+#include <boost/detail/lightweight_test.hpp>
 
 struct X
 {

test/lightweight_test_fail6.cpp

@@ -8,7 +8,7 @@
 // http://www.boost.org/LICENSE_1_0.txt
 //
 
-#include <boost/core/lightweight_test.hpp>
+#include <boost/detail/lightweight_test.hpp>
 
 struct X
 {

test/lightweight_test_test.cpp

@@ -9,7 +9,7 @@
 //
 
 #include <vector>
-#include <boost/core/lightweight_test.hpp>
+#include <boost/detail/lightweight_test.hpp>
 
 struct X
 {

test/ref_ct_test.cpp

@@ -9,7 +9,7 @@
 #include <boost/ref.hpp>
 #include <boost/core/is_same.hpp>
 #include <boost/static_assert.hpp>
-#include <boost/config/workaround.hpp>
+#include <boost/detail/workaround.hpp>
 
 namespace {
 

test/ref_fn_test.cpp

@@ -16,7 +16,7 @@
 //  http://www.boost.org/LICENSE_1_0.txt
 
 #include <boost/ref.hpp>
-#include <boost/core/lightweight_test.hpp>
+#include <boost/detail/lightweight_test.hpp>
 
 
 void f0()

test/ref_test.cpp

@@ -7,7 +7,7 @@
 // see 'ref_ct_test.cpp' for compile-time part
 
 #include <boost/ref.hpp>
-#include <boost/core/lightweight_test.hpp>
+#include <boost/detail/lightweight_test.hpp>
 
 namespace {
 using namespace boost;

test/sp_typeinfo_test.cpp

@@ -11,7 +11,7 @@
 #define BOOST_ALLOW_DEPRECATED_HEADERS
 
 #include <boost/detail/sp_typeinfo.hpp>
-#include <boost/core/lightweight_test.hpp>
+#include <boost/detail/lightweight_test.hpp>
 #include <iostream>
 
 int main()

test/swap/CMakeLists.txt

@@ -1,11 +0,0 @@
-# Copyright 2018, 2019 Peter Dimov
-# Distributed under the Boost Software License, Version 1.0.
-# See accompanying file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt
-
-include(BoostTestJamfile OPTIONAL RESULT_VARIABLE HAVE_BOOST_TEST)
-
-if(HAVE_BOOST_TEST)
-
-boost_test_jamfile(FILE Jamfile.v2 LINK_LIBRARIES Boost::core)
-
-endif()

test/swap/Jamfile.v2

@@ -7,31 +7,65 @@
 # bring in rules for testing
 import testing ;
 
-compile swap_root_header_1.cpp ;
-compile swap_root_header_2.cpp ;
-compile swap_lib_header_1.cpp ;
-compile swap_lib_header_2.cpp ;
-compile swap_mixed_headers_1.cpp ;
-compile swap_mixed_headers_2.cpp ;
+local compile_tests =
+    root_header_1.cpp
+    root_header_2.cpp
+    lib_header_1.cpp
+    lib_header_2.cpp
+    mixed_headers_1.cpp
+    mixed_headers_2.cpp
+    ;
 
-compile-fail swap_const_wrapper_fail.cpp ;
+local compile_fail_tests =
+    const_wrapper_fail.cpp ;
 
-run swap_primitive.cpp ;
-run swap_specialized_in_boost.cpp ;
-run swap_specialized_in_global.cpp ;
-run swap_specialized_in_other.cpp ;
-run swap_specialized_in_std.cpp ;
-run swap_specialized_in_boost_and_other.cpp ;
-run swap_std_bitset.cpp ;
-run swap_std_dateorder.cpp ;
-run swap_std_string.cpp ;
-run swap_std_typeinfo_ptr.cpp ;
-run swap_std_vector_of_boost.cpp ;
-run swap_std_vector_of_global.cpp ;
-run swap_std_vector_of_other.cpp ;
-run swap_no_ambiguity_in_boost.cpp ;
-run swap_array_of_array_of_class.cpp ;
-run swap_array_of_array_of_int.cpp ;
-run swap_array_of_class.cpp ;
-run swap_array_of_int.cpp ;
-run swap_array_of_template.cpp ;
+local run_tests =
+    primitive.cpp
+    specialized_in_boost.cpp
+    specialized_in_global.cpp
+    specialized_in_other.cpp
+    specialized_in_std.cpp
+    specialized_in_boost_and_other.cpp
+    std_bitset.cpp
+    std_dateorder.cpp
+    std_string.cpp
+    std_typeinfo_ptr.cpp
+    std_vector_of_boost.cpp
+    std_vector_of_global.cpp
+    std_vector_of_other.cpp
+    no_ambiguity_in_boost.cpp
+    array_of_array_of_class.cpp
+    array_of_array_of_int.cpp
+    array_of_class.cpp
+    array_of_int.cpp
+    array_of_template.cpp
+    ;
+
+rule test_all
+{
+    local all_rules ;
+    local file ;
+
+    for file in $(compile_tests)
+    {
+        local test_name = [ MATCH "([^.]*).cpp$" : $(file) ] ;
+        all_rules += [ compile $(file) : : "swap-$(test_name)" ] ;
+    }
+
+    for file in $(compile_fail_tests)
+    {
+        local test_name = [ MATCH "([^.]*).cpp$" : $(file) ] ;
+        all_rules += [ compile-fail $(file) : : "swap-$(test_name)" ] ;
+    }
+
+    for file in $(run_tests)
+    {
+        local test_name = [ MATCH "([^.]*).cpp$" : $(file) ] ;
+        all_rules += [ run $(file) : : : : "swap-$(test_name)" ] ;
+    }
+
+    #ECHO All rules: $(all_rules) ;
+    return $(all_rules) ;
+}
+
+test-suite core/swap : [ test_all r ] ;