Manually convince clang-cl to fail shared_from_fail and weak_from_fail

.travis.yml

@@ -1,12 +1,10 @@
-# Copyright 2016-2019 Peter Dimov
+# Copyright 2016-2020 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
-
-dist: trusty
+dist: xenial
 
 branches:
   only:
@@ -25,8 +23,19 @@ matrix:
 
   include:
     - os: linux
+      arch: arm64
       compiler: g++
-      env: TOOLSET=gcc COMPILER=g++ CXXSTD=03,11
+      env: TOOLSET=gcc COMPILER=g++ CXXSTD=03,11,14
+
+    - os: linux
+      arch: ppc64le
+      compiler: g++
+      env: TOOLSET=gcc COMPILER=g++ CXXSTD=03,11,14
+
+    - os: linux
+      arch: s390x
+      compiler: g++
+      env: TOOLSET=gcc COMPILER=g++ CXXSTD=03,11,14
 
     - os: linux
       compiler: g++-4.4
@@ -158,10 +167,7 @@ matrix:
             - ubuntu-toolchain-r-test
 
     - os: linux
-      compiler: clang++
-      env: TOOLSET=clang COMPILER=clang++ CXXSTD=03,11
-
-    - os: linux
+      dist: trusty
       compiler: /usr/bin/clang++
       env: TOOLSET=clang COMPILER=/usr/bin/clang++ CXXSTD=03,11
       addons:
@@ -170,6 +176,7 @@ matrix:
             - clang-3.3
 
     - os: linux
+      dist: trusty
       compiler: /usr/bin/clang++
       env: TOOLSET=clang COMPILER=/usr/bin/clang++ CXXSTD=03,11
       addons:
@@ -179,15 +186,13 @@ matrix:
 
     - os: linux
       compiler: clang++-3.5
-      env: TOOLSET=clang COMPILER=clang++-3.5 CXXSTD=03,11,14,1z
+      env: TOOLSET=clang COMPILER=clang++-3.5 CXXSTD=03,11
       addons:
         apt:
           packages:
             - clang-3.5
-            - libstdc++-4.9-dev
           sources:
             - ubuntu-toolchain-r-test
-            - llvm-toolchain-precise-3.5
 
     - os: linux
       compiler: clang++-3.6
@@ -198,7 +203,6 @@ matrix:
             - clang-3.6
           sources:
             - ubuntu-toolchain-r-test
-            - llvm-toolchain-precise-3.6
 
     - os: linux
       compiler: clang++-3.7
@@ -209,7 +213,6 @@ matrix:
             - clang-3.7
           sources:
             - ubuntu-toolchain-r-test
-            - llvm-toolchain-precise-3.7
 
     - os: linux
       compiler: clang++-3.8
@@ -218,10 +221,8 @@ matrix:
         apt:
           packages:
             - clang-3.8
-            - libstdc++-4.9-dev
           sources:
             - ubuntu-toolchain-r-test
-            - llvm-toolchain-precise-3.8
 
     - os: linux
       compiler: clang++-3.9
@@ -230,10 +231,8 @@ matrix:
         apt:
           packages:
             - clang-3.9
-            - libstdc++-4.9-dev
           sources:
             - ubuntu-toolchain-r-test
-            - llvm-toolchain-precise-3.9
 
     - os: linux
       compiler: clang++-4.0
@@ -244,7 +243,6 @@ matrix:
             - clang-4.0
           sources:
             - ubuntu-toolchain-r-test
-            - llvm-toolchain-trusty-4.0
 
     - os: linux
       compiler: clang++-5.0
@@ -255,7 +253,6 @@ matrix:
             - clang-5.0
           sources:
             - ubuntu-toolchain-r-test
-            - llvm-toolchain-trusty-5.0
 
     - os: linux
       compiler: clang++-6.0
@@ -266,7 +263,6 @@ matrix:
             - clang-6.0
           sources:
             - ubuntu-toolchain-r-test
-            - llvm-toolchain-trusty-6.0
 
     - os: linux
       compiler: clang++-7
@@ -277,7 +273,7 @@ matrix:
             - clang-7
           sources:
             - ubuntu-toolchain-r-test
-            - llvm-toolchain-trusty-7
+            - llvm-toolchain-xenial-7
 
     - os: linux
       compiler: clang++-8
@@ -288,21 +284,34 @@ matrix:
             - clang-8
           sources:
             - ubuntu-toolchain-r-test
-            - llvm-toolchain-trusty-8
+            - llvm-toolchain-xenial-8
 
     - os: linux
-      compiler: clang++-7
-      env: UBSAN=1 TOOLSET=clang COMPILER=clang++-7 CXXSTD=03,11,14,17,2a UBSAN_OPTIONS=print_stacktrace=1
+      dist: xenial
+      compiler: clang++-9
+      env: TOOLSET=clang COMPILER=clang++-9 CXXSTD=03,11,14,17,2a
       addons:
         apt:
           packages:
-            - clang-7
-            - libstdc++-5-dev
+            - clang-9
           sources:
             - ubuntu-toolchain-r-test
-            - llvm-toolchain-trusty-7
+            - sourceline: 'deb https://apt.llvm.org/xenial/ llvm-toolchain-xenial-9 main'
+              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
+      addons:
+        apt:
+          packages:
+            - clang-8
+          sources:
+            - ubuntu-toolchain-r-test
+            - llvm-toolchain-xenial-8
+
+    - os: linux
+      dist: trusty
       compiler: clang++-libc++
       env: TOOLSET=clang COMPILER=clang++-libc++ CXXSTD=03,11,14,1z
       addons:
@@ -311,6 +320,7 @@ matrix:
             - libc++-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
       addons:
@@ -322,6 +332,17 @@ matrix:
       compiler: clang++
       env: TOOLSET=clang COMPILER=clang++ CXXSTD=03,11,14,1z
 
+    - os: osx
+      compiler: clang++
+      env: UBSAN=1 TOOLSET=clang COMPILER=clang++ CXXSTD=03,11,14,1z UBSAN_OPTIONS=print_stacktrace=1
+
+    - os: linux
+      env: CMAKE_TEST=1
+      script:
+        - mkdir __build__ && cd __build__
+        - cmake -DBOOST_ENABLE_CMAKE=1 -DBoost_VERBOSE=1 -DBOOST_INCLUDE_LIBRARIES=smart_ptr -DBUILD_TESTING=ON ..
+        - ctest --output-on-failure -R boost_smart_ptr
+
     - os: linux
       compiler: g++
       env: CMAKE_SUBDIR_TEST=1
@@ -331,6 +352,17 @@ matrix:
       - 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=smart_ptr -DBUILD_TESTING=OFF -DCMAKE_INSTALL_PREFIX=~/.local ..
+        - cmake --build . --target install
+        - cd ../libs/smart_ptr/test/cmake_install_test && mkdir __build__ && cd __build__
+        - cmake -DCMAKE_INSTALL_PREFIX=~/.local ..
+        - cmake --build .
+        - cmake --build . --target check
+
 install:
   - BOOST_BRANCH=develop && [ "$TRAVIS_BRANCH" == "master" ] && BOOST_BRANCH=master || true
   - cd ..
@@ -352,7 +384,9 @@ install:
   - git submodule init tools/build
   - git submodule init libs/headers
   - git submodule init tools/boost_install
-  - git submodule update --jobs 3
+  - git submodule init tools/cmake
+  - git submodule init libs/preprocessor
+  - git submodule update # no --jobs 3 on non-amd64
   - cp -r $TRAVIS_BUILD_DIR/* libs/smart_ptr
   - ./bootstrap.sh
   - ./b2 headers

CMakeLists.txt

@@ -1,12 +1,10 @@
-# Copyright 2018 Mike Dev
+# Copyright 2018-2020 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
 
-# Partial (add_subdirectory only) and experimental CMake support
-# Subject to change; please do not rely on the contents of this file yet
+cmake_minimum_required(VERSION 3.5...3.16)
 
-cmake_minimum_required(VERSION 3.5)
-project(BoostSmartPtr LANGUAGES CXX)
+project(boost_smart_ptr VERSION "${BOOST_SUPERPROJECT_VERSION}" LANGUAGES CXX)
 
 add_library(boost_smart_ptr INTERFACE)
 add_library(Boost::smart_ptr ALIAS boost_smart_ptr)
@@ -14,13 +12,25 @@ add_library(Boost::smart_ptr ALIAS boost_smart_ptr)
 target_include_directories(boost_smart_ptr INTERFACE include)
 
 target_link_libraries(boost_smart_ptr
-    INTERFACE
-        Boost::assert
-        Boost::config
-        Boost::core
-        Boost::move
-        Boost::predef
-        Boost::static_assert
-        Boost::throw_exception
-        Boost::type_traits
+  INTERFACE
+    Boost::assert
+    Boost::config
+    Boost::core
+    Boost::move
+    Boost::static_assert
+    Boost::throw_exception
+    Boost::type_traits
 )
+
+if(BOOST_SUPERPROJECT_VERSION)
+
+  include(BoostInstall)
+  boost_install(TARGETS boost_smart_ptr HEADER_DIRECTORY include/)
+
+endif()
+
+if(BUILD_TESTING)
+
+  add_subdirectory(test)
+
+endif()

appveyor.yml

@@ -20,7 +20,15 @@ environment:
       TOOLSET: msvc-12.0,msvc-14.0
       ADDRMD: 32,64
     - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2017
-      TOOLSET: msvc-14.1,clang-win
+      TOOLSET: msvc-14.1
+      CXXSTD: 14,17
+      ADDRMD: 32,64
+    - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2017
+      TOOLSET: clang-win
+      CXXSTD: 14,17
+      ADDRMD: 64
+    - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2019
+      TOOLSET: msvc-14.2
       CXXSTD: 14,17
       ADDRMD: 32,64
     - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2015

doc/smart_ptr/make_unique.adoc

@@ -106,7 +106,7 @@ template<class T>
 +
 Constraints:: `T` is not an array.
 Returns:: `std::unique_ptr<T>(new T)`.
-Example:: `auto p = make_unique_noinit<double[1024]>();`
+Example:: `auto p = make_unique_noinit<std::array<double, 1024> >();`
 
 ```
 template<class T>

include/boost/smart_ptr/detail/lightweight_mutex.hpp

@@ -28,15 +28,12 @@
 
 #include <boost/config.hpp>
 
-#if !defined(BOOST_HAS_THREADS)
-#  include <boost/smart_ptr/detail/lwm_nop.hpp>
-#elif defined(BOOST_HAS_PTHREADS)
-#  include <boost/smart_ptr/detail/lwm_pthreads.hpp>
-#elif defined(BOOST_HAS_WINTHREADS) || defined(WIN32) || defined(_WIN32) || defined(__WIN32__) || defined(__CYGWIN__)
+#if !defined(BOOST_NO_CXX11_HDR_MUTEX )
+#  include <boost/smart_ptr/detail/lwm_std_mutex.hpp>
+#elif defined(_WIN32) || defined(__WIN32__) || defined(__CYGWIN__)
 #  include <boost/smart_ptr/detail/lwm_win32_cs.hpp>
 #else
-// Use #define BOOST_DISABLE_THREADS to avoid the error
-#  error Unrecognized threading platform
+#  include <boost/smart_ptr/detail/lwm_pthreads.hpp>
 #endif
 
 #endif // #ifndef BOOST_SMART_PTR_DETAIL_LIGHTWEIGHT_MUTEX_HPP_INCLUDED

include/boost/smart_ptr/detail/lwm_nop.hpp

@@ -1,37 +0,0 @@
-#ifndef BOOST_SMART_PTR_DETAIL_LWM_NOP_HPP_INCLUDED
-#define BOOST_SMART_PTR_DETAIL_LWM_NOP_HPP_INCLUDED
-
-// MS compatible compilers support #pragma once
-
-#if defined(_MSC_VER) && (_MSC_VER >= 1020)
-# pragma once
-#endif
-
-//
-//  boost/detail/lwm_nop.hpp
-//
-//  Copyright (c) 2002 Peter Dimov and Multi Media Ltd.
-//
-// 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)
-//
-
-namespace boost
-{
-
-namespace detail
-{
-
-class lightweight_mutex
-{
-public:
-
-    typedef lightweight_mutex scoped_lock;
-};
-
-} // namespace detail
-
-} // namespace boost
-
-#endif // #ifndef BOOST_SMART_PTR_DETAIL_LWM_NOP_HPP_INCLUDED

include/boost/smart_ptr/detail/lwm_std_mutex.hpp

@@ -0,0 +1,62 @@
+#ifndef BOOST_SMART_PTR_DETAIL_LWM_STD_MUTEX_HPP_INCLUDED
+#define BOOST_SMART_PTR_DETAIL_LWM_STD_MUTEX_HPP_INCLUDED
+
+// Copyright 2020 Peter Dimov
+// Distributed under the Boost Software License, Version 1.0.
+// https://www.boost.org/LICENSE_1_0.txt)
+
+#include <boost/assert.hpp>
+#include <mutex>
+
+namespace boost
+{
+
+namespace detail
+{
+
+class lightweight_mutex
+{
+private:
+
+    std::mutex m_;
+
+    lightweight_mutex(lightweight_mutex const &);
+    lightweight_mutex & operator=(lightweight_mutex const &);
+
+public:
+
+    lightweight_mutex()
+    {
+    }
+
+    class scoped_lock;
+    friend class scoped_lock;
+
+    class scoped_lock
+    {
+    private:
+
+        std::mutex & m_;
+
+        scoped_lock(scoped_lock const &);
+        scoped_lock & operator=(scoped_lock const &);
+
+    public:
+
+        scoped_lock( lightweight_mutex & m ): m_( m.m_ )
+        {
+            m_.lock();
+        }
+
+        ~scoped_lock()
+        {
+            m_.unlock();
+        }
+    };
+};
+
+} // namespace detail
+
+} // namespace boost
+
+#endif // #ifndef BOOST_SMART_PTR_DETAIL_LWM_STD_MUTEX_HPP_INCLUDED

include/boost/smart_ptr/detail/lwm_win32_cs.hpp

@@ -11,15 +11,12 @@
 //  boost/detail/lwm_win32_cs.hpp
 //
 //  Copyright (c) 2002, 2003 Peter Dimov
-//  Copyright (c) Microsoft Corporation 2014
 //
 // 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 <boost/predef.h>
-
 #ifdef BOOST_USE_WINDOWS_H
 
 #include <windows.h>
@@ -52,11 +49,7 @@ struct critical_section
 #endif
 };
 
-#if BOOST_PLAT_WINDOWS_RUNTIME
-extern "C" __declspec(dllimport) void __stdcall InitializeCriticalSectionEx(::_RTL_CRITICAL_SECTION *, unsigned long, unsigned long);
-#else
 extern "C" __declspec(dllimport) void __stdcall InitializeCriticalSection(::_RTL_CRITICAL_SECTION *);
-#endif
 extern "C" __declspec(dllimport) void __stdcall EnterCriticalSection(::_RTL_CRITICAL_SECTION *);
 extern "C" __declspec(dllimport) void __stdcall LeaveCriticalSection(::_RTL_CRITICAL_SECTION *);
 extern "C" __declspec(dllimport) void __stdcall DeleteCriticalSection(::_RTL_CRITICAL_SECTION *);
@@ -67,11 +60,7 @@ typedef ::_RTL_CRITICAL_SECTION rtl_critical_section;
 
 typedef ::CRITICAL_SECTION critical_section;
 
-#if BOOST_PLAT_WINDOWS_RUNTIME
-using ::InitializeCriticalSectionEx;
-#else
 using ::InitializeCriticalSection;
-#endif
 using ::EnterCriticalSection;
 using ::LeaveCriticalSection;
 using ::DeleteCriticalSection;
@@ -93,11 +82,7 @@ public:
 
     lightweight_mutex()
     {
-#if BOOST_PLAT_WINDOWS_RUNTIME
-        boost::detail::InitializeCriticalSectionEx(reinterpret_cast< rtl_critical_section* >(&cs_), 4000, 0);
-#else
         boost::detail::InitializeCriticalSection(reinterpret_cast< rtl_critical_section* >(&cs_));
-#endif
     }
 
     ~lightweight_mutex()

include/boost/smart_ptr/detail/sp_counted_base_w32.hpp

@@ -26,7 +26,7 @@
 
 #include <boost/smart_ptr/detail/sp_interlocked.hpp>
 #include <boost/smart_ptr/detail/sp_typeinfo_.hpp>
-#include <boost/detail/workaround.hpp>
+#include <boost/config/workaround.hpp>
 #include <boost/config.hpp>
 
 namespace boost

include/boost/smart_ptr/detail/yield_k.hpp

@@ -11,7 +11,6 @@
 //  yield_k.hpp
 //
 //  Copyright (c) 2008 Peter Dimov
-//  Copyright (c) Microsoft Corporation 2014
 //
 //  void yield( unsigned k );
 //
@@ -25,11 +24,6 @@
 //
 
 #include <boost/config.hpp>
-#include <boost/predef/platform/windows_runtime.h>
-
-#if BOOST_PLAT_WINDOWS_RUNTIME
-#include <thread>
-#endif
 
 // BOOST_SMT_PAUSE
 
@@ -59,7 +53,7 @@ namespace boost
 namespace detail
 {
 
-#if !defined( BOOST_USE_WINDOWS_H ) && !BOOST_PLAT_WINDOWS_RUNTIME
+#if !defined( BOOST_USE_WINDOWS_H )
 
 #if defined(__clang__) && defined(__x86_64__)
 // clang x64 warns that __stdcall is ignored
@@ -76,7 +70,7 @@ namespace detail
 
 #undef BOOST_SP_STDCALL
 
-#endif // !defined( BOOST_USE_WINDOWS_H ) && !BOOST_PLAT_WINDOWS_RUNTIME
+#endif // !defined( BOOST_USE_WINDOWS_H )
 
 inline void yield( unsigned k ) BOOST_NOEXCEPT
 {
@@ -89,7 +83,6 @@ inline void yield( unsigned k ) BOOST_NOEXCEPT
         BOOST_SMT_PAUSE
     }
 #endif
-#if !BOOST_PLAT_WINDOWS_RUNTIME
     else if( k < 32 )
     {
         Sleep( 0 );
@@ -98,13 +91,6 @@ inline void yield( unsigned k ) BOOST_NOEXCEPT
     {
         Sleep( 1 );
     }
-#else
-    else
-    {
-        // Sleep isn't supported on the Windows Runtime.
-        std::this_thread::yield();
-    }
-#endif
 }
 
 } // namespace detail

include/boost/smart_ptr/enable_shared_from.hpp

@@ -3,7 +3,7 @@
 
 //  enable_shared_from.hpp
 //
-//  Copyright 2019 Peter Dimov
+//  Copyright 2019, 2020 Peter Dimov
 //
 //  Distributed under the Boost Software License, Version 1.0.
 //  See accompanying file LICENSE_1_0.txt or copy at
@@ -19,17 +19,21 @@ namespace boost
 
 class enable_shared_from: public enable_shared_from_this<enable_shared_from>
 {
+private:
+
+    using enable_shared_from_this<enable_shared_from>::shared_from_this;
+    using enable_shared_from_this<enable_shared_from>::weak_from_this;
 };
 
 
 template<class T> shared_ptr<T> shared_from( T * p )
 {
-    return shared_ptr<T>( p->enable_shared_from::shared_from_this(), p );
+    return shared_ptr<T>( p->enable_shared_from_this<enable_shared_from>::shared_from_this(), p );
 }
 
 template<class T> weak_ptr<T> weak_from( T * p ) BOOST_SP_NOEXCEPT
 {
-    return weak_ptr<T>( p->enable_shared_from::weak_from_this(), p );
+    return weak_ptr<T>( p->enable_shared_from_this<enable_shared_from>::weak_from_this(), p );
 }
 
 } // namespace boost

include/boost/smart_ptr/enable_shared_from_raw.hpp

@@ -16,7 +16,7 @@
 #include <boost/shared_ptr.hpp>
 #include <boost/weak_ptr.hpp>
 #include <boost/assert.hpp>
-#include <boost/detail/workaround.hpp>
+#include <boost/config/workaround.hpp>
 
 namespace boost
 {

include/boost/smart_ptr/intrusive_ptr.hpp

@@ -16,7 +16,7 @@
 #include <boost/config.hpp>
 
 #include <boost/assert.hpp>
-#include <boost/detail/workaround.hpp>
+#include <boost/config/workaround.hpp>
 #include <boost/smart_ptr/detail/sp_convertible.hpp>
 #include <boost/smart_ptr/detail/sp_nullptr_t.hpp>
 #include <boost/smart_ptr/detail/sp_noexcept.hpp>

include/boost/smart_ptr/scoped_array.hpp

@@ -16,7 +16,7 @@
 #include <boost/smart_ptr/detail/sp_nullptr_t.hpp>
 #include <boost/smart_ptr/detail/sp_noexcept.hpp>
 
-#include <boost/detail/workaround.hpp>
+#include <boost/config/workaround.hpp>
 
 #include <cstddef>            // for std::ptrdiff_t
 

include/boost/smart_ptr/scoped_ptr.hpp

@@ -16,7 +16,7 @@
 #include <boost/smart_ptr/detail/sp_nullptr_t.hpp>
 #include <boost/smart_ptr/detail/sp_disable_deprecated.hpp>
 #include <boost/smart_ptr/detail/sp_noexcept.hpp>
-#include <boost/detail/workaround.hpp>
+#include <boost/config/workaround.hpp>
 
 #ifndef BOOST_NO_AUTO_PTR
 # include <memory>          // for std::auto_ptr

include/boost/smart_ptr/shared_array.hpp

@@ -25,7 +25,7 @@
 #include <boost/smart_ptr/detail/shared_count.hpp>
 #include <boost/smart_ptr/detail/sp_nullptr_t.hpp>
 #include <boost/smart_ptr/detail/sp_noexcept.hpp>
-#include <boost/detail/workaround.hpp>
+#include <boost/config/workaround.hpp>
 
 #include <cstddef>            // for std::ptrdiff_t
 #include <algorithm>          // for std::swap

include/boost/smart_ptr/shared_ptr.hpp

@@ -26,7 +26,7 @@
 #include <boost/checked_delete.hpp>
 #include <boost/throw_exception.hpp>
 #include <boost/smart_ptr/detail/shared_count.hpp>
-#include <boost/detail/workaround.hpp>
+#include <boost/config/workaround.hpp>
 #include <boost/smart_ptr/detail/sp_convertible.hpp>
 #include <boost/smart_ptr/detail/sp_nullptr_t.hpp>
 #include <boost/smart_ptr/detail/sp_disable_deprecated.hpp>
@@ -1175,6 +1175,13 @@ template<class D, class T> D const * basic_get_local_deleter( D const *, shared_
 
 } // namespace detail
 
+#if defined(__cpp_deduction_guides)
+
+template<class T> shared_ptr( weak_ptr<T> ) -> shared_ptr<T>;
+template<class T, class D> shared_ptr( std::unique_ptr<T, D> ) -> shared_ptr<T>;
+
+#endif
+
 } // namespace boost
 
 #if defined( BOOST_SP_DISABLE_DEPRECATED )

include/boost/smart_ptr/weak_ptr.hpp

@@ -264,6 +264,12 @@ template<class T> void swap(weak_ptr<T> & a, weak_ptr<T> & b) BOOST_SP_NOEXCEPT
     a.swap(b);
 }
 
+#if defined(__cpp_deduction_guides)
+
+template<class T> weak_ptr( shared_ptr<T> ) -> weak_ptr<T>;
+
+#endif
+
 } // namespace boost
 
 #endif  // #ifndef BOOST_SMART_PTR_WEAK_PTR_HPP_INCLUDED

test/CMakeLists.txt

@@ -0,0 +1,15 @@
+# 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)
+
+# for lw_thread_test.cpp
+set(THREADS_PREFER_PTHREAD_FLAG ON)
+find_package(Threads)
+
+boost_test_jamfile(FILE Jamfile LINK_LIBRARIES Boost::smart_ptr Boost::core Boost::align Boost::atomic Boost::container_hash Threads::Threads)
+
+endif()

test/Jamfile

@@ -57,10 +57,11 @@ run yield_k_test.cpp : : : <threading>multi : yield_k_test.mt ;
 run spinlock_test.cpp ;
 run spinlock_try_test.cpp ;
 run spinlock_try_test.cpp : : : <threading>multi : spinlock_try_test.mt ;
-run spinlock_pool_test.cpp : : :
-    # msvc-8.0, 9.0 optimizer codegen bug for `x % 41`
-    <toolset>msvc-8.0,<variant>release:<build>no
-    <toolset>msvc-9.0,<variant>release:<build>no ;
+run spinlock_pool_test.cpp
+  : : :
+  # msvc-8.0, 9.0 optimizer codegen bug for `x % 41`
+  <toolset>msvc-8.0,<variant>release:<build>no
+  <toolset>msvc-9.0,<variant>release:<build>no ;
 
 run make_shared_test.cpp ;
 run make_shared_move_emulation_test.cpp ;
@@ -78,7 +79,10 @@ run sp_recursive_assign_test.cpp ;
 run sp_recursive_assign2_test.cpp ;
 run sp_recursive_assign_rv_test.cpp ;
 run sp_recursive_assign2_rv_test.cpp ;
-compile-fail auto_ptr_lv_fail.cpp : <toolset>gcc-4.4.7:<build>no ;
+
+compile-fail auto_ptr_lv_fail.cpp
+  : <toolset>gcc-4.4.7:<build>no ;
+
 run atomic_count_test2.cpp ;
 run sp_typeinfo_test.cpp ;
 compile make_shared_fp_test.cpp ;
@@ -158,23 +162,33 @@ compile-fail array_fail_dereference.cpp ;
 compile-fail array_fail_member_access.cpp ;
 compile-fail array_fail_array_access.cpp ;
 
-run make_shared_array_test.cpp : : : <toolset>msvc-8.0:<build>no ;
-run make_shared_arrays_test.cpp ; # <cxxflags>-fno-deduce-init-list no longer needed for gcc-4.6
-run make_shared_array_throws_test.cpp : : : <toolset>msvc-8.0:<build>no ;
-run make_shared_array_esft_test.cpp : : : <toolset>msvc-8.0:<build>no ;
-run make_shared_array_noinit_test.cpp : : : <toolset>msvc-8.0:<build>no ;
-run make_shared_array_value_test.cpp : : : <toolset>msvc-8.0:<build>no ;
+run make_shared_array_test.cpp
+  : : : <toolset>msvc-8.0:<build>no ;
+run make_shared_arrays_test.cpp ;
+run make_shared_array_throws_test.cpp
+  : : : <toolset>msvc-8.0:<build>no ;
+run make_shared_array_esft_test.cpp
+  : : : <toolset>msvc-8.0:<build>no ;
+run make_shared_array_noinit_test.cpp
+  : : : <toolset>msvc-8.0:<build>no ;
+run make_shared_array_value_test.cpp
+  : : : <toolset>msvc-8.0:<build>no ;
 run allocate_shared_array_test.cpp ;
-run allocate_shared_arrays_test.cpp ; # <cxxflags>-fno-deduce-init-list no longer needed for gcc-4.6
-run allocate_shared_array_throws_test.cpp : : : <toolset>msvc-8.0:<build>no ;
-run allocate_shared_array_esft_test.cpp : : : <toolset>msvc-8.0:<build>no ;
-run allocate_shared_array_noinit_test.cpp : : : <toolset>msvc-8.0:<build>no ;
-run allocate_shared_array_value_test.cpp : : : <toolset>msvc-8.0:<build>no ;
+run allocate_shared_arrays_test.cpp ;
+run allocate_shared_array_throws_test.cpp
+  : : : <toolset>msvc-8.0:<build>no ;
+run allocate_shared_array_esft_test.cpp
+  : : : <toolset>msvc-8.0:<build>no ;
+run allocate_shared_array_noinit_test.cpp
+  : : : <toolset>msvc-8.0:<build>no ;
+run allocate_shared_array_value_test.cpp
+  : : : <toolset>msvc-8.0:<build>no ;
 run allocate_shared_array_construct_test.cpp ;
 
 run make_unique_test.cpp ;
 run make_unique_args_test.cpp ;
-run make_unique_value_test.cpp : : : <toolset>gcc-4.6:<cxxflags>-fno-deduce-init-list ;
+run make_unique_value_test.cpp
+  : : : <toolset>gcc-4.6:<cxxflags>-fno-deduce-init-list ;
 run make_unique_noinit_test.cpp ;
 run make_unique_throws_test.cpp ;
 run make_unique_array_test.cpp ;
@@ -236,7 +250,8 @@ run shared_ptr_fn_test.cpp ;
 run get_deleter_test2.cpp ;
 run get_deleter_test3.cpp ;
 run get_deleter_array_test2.cpp ;
-run get_deleter_array_test3.cpp : : : <toolset>msvc-8.0:<build>no ;
+run get_deleter_array_test3.cpp
+  : : : <toolset>msvc-8.0:<build>no ;
 
 run sp_convertible_test2.cpp ;
 
@@ -258,13 +273,15 @@ run allocate_local_shared_test.cpp ;
 run allocate_local_shared_esft_test.cpp ;
 
 run make_local_shared_array_test.cpp ;
-run make_local_shared_arrays_test.cpp : : : <toolset>gcc-4.6.3_0x:<cxxflags>-fno-deduce-init-list ;
+run make_local_shared_arrays_test.cpp
+  : : : <toolset>gcc-4.6.3_0x:<cxxflags>-fno-deduce-init-list ;
 run make_local_shared_array_throws_test.cpp ;
 run make_local_shared_array_esft_test.cpp ;
 run make_local_shared_array_noinit_test.cpp ;
 run make_local_shared_array_value_test.cpp ;
 run allocate_local_shared_array_test.cpp ;
-run allocate_local_shared_arrays_test.cpp : : : <toolset>gcc-4.6.3_0x:<cxxflags>-fno-deduce-init-list ;
+run allocate_local_shared_arrays_test.cpp
+  : : : <toolset>gcc-4.6.3_0x:<cxxflags>-fno-deduce-init-list ;
 run allocate_local_shared_array_throws_test.cpp ;
 run allocate_local_shared_array_esft_test.cpp ;
 run allocate_local_shared_array_noinit_test.cpp ;
@@ -275,9 +292,11 @@ run local_sp_fn_test.cpp ;
 run lsp_convertible_test.cpp ;
 run lsp_convertible_test2.cpp ;
 
-run make_shared_array_tmp_test.cpp : : : <toolset>msvc-8.0:<build>no ;
+run make_shared_array_tmp_test.cpp
+  : : : <toolset>msvc-8.0:<build>no ;
 
-run lw_thread_test.cpp : : : <threading>multi ;
+run lw_thread_test.cpp
+  : : : <threading>multi ;
 
 compile sp_windows_h_test.cpp ;
 compile spinlock_windows_h_test.cpp ;
@@ -333,3 +352,10 @@ run allocate_unique_noinit_test.cpp ;
 run allocate_unique_test.cpp ;
 run allocate_unique_throws_test.cpp ;
 run allocate_unique_value_test.cpp ;
+
+run sp_guides_test.cpp ;
+run sp_guides_test2.cpp ;
+run wp_guides_test.cpp ;
+
+compile-fail shared_from_fail.cpp ;
+compile-fail weak_from_fail.cpp ;

test/allocate_shared_alloc11_test.cpp

@@ -8,7 +8,7 @@
 // See accompanying file LICENSE_1_0.txt or copy at
 // http://www.boost.org/LICENSE_1_0.txt
 
-#include <boost/detail/lightweight_test.hpp>
+#include <boost/core/lightweight_test.hpp>
 #include <boost/make_shared.hpp>
 #include <boost/shared_ptr.hpp>
 #include <boost/weak_ptr.hpp>

test/allocate_shared_construct11_test.cpp

@@ -8,7 +8,7 @@
 // See accompanying file LICENSE_1_0.txt or copy at
 // http://www.boost.org/LICENSE_1_0.txt
 
-#include <boost/detail/lightweight_test.hpp>
+#include <boost/core/lightweight_test.hpp>
 #include <boost/make_shared.hpp>
 #include <boost/shared_ptr.hpp>
 #include <boost/weak_ptr.hpp>

test/allocate_shared_esft_test.cpp

@@ -6,7 +6,7 @@
 //  See accompanying file LICENSE_1_0.txt or copy at
 //  http://www.boost.org/LICENSE_1_0.txt
 
-#include <boost/detail/lightweight_test.hpp>
+#include <boost/core/lightweight_test.hpp>
 #include <boost/make_shared.hpp>
 #include <boost/shared_ptr.hpp>
 #include <boost/enable_shared_from_this.hpp>

test/allocate_shared_test.cpp

@@ -6,7 +6,7 @@
 // See accompanying file LICENSE_1_0.txt or copy at
 // http://www.boost.org/LICENSE_1_0.txt
 
-#include <boost/detail/lightweight_test.hpp>
+#include <boost/core/lightweight_test.hpp>
 #include <boost/make_shared.hpp>
 #include <boost/shared_ptr.hpp>
 #include <boost/weak_ptr.hpp>

test/atomic_count_test.cpp

@@ -9,7 +9,7 @@
 //
 
 #include <boost/detail/atomic_count.hpp>
-#include <boost/detail/lightweight_test.hpp>
+#include <boost/core/lightweight_test.hpp>
 
 int main()
 {

test/atomic_count_test2.cpp

@@ -9,7 +9,7 @@
 //
 
 #include <boost/detail/atomic_count.hpp>
-#include <boost/detail/lightweight_test.hpp>
+#include <boost/core/lightweight_test.hpp>
 
 int main()
 {

test/auto_ptr_rv_test.cpp

@@ -19,7 +19,7 @@ int main()
 #else
 
 #include <boost/shared_ptr.hpp>
-#include <boost/detail/lightweight_test.hpp>
+#include <boost/core/lightweight_test.hpp>
 #include <memory>
 
 struct X

test/cmake_install_test/CMakeLists.txt

@@ -0,0 +1,18 @@
+# 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_subdir_test LANGUAGES CXX)
+
+find_package(boost_smart_ptr REQUIRED)
+find_package(boost_core REQUIRED)
+
+add_executable(quick ../quick.cpp)
+target_link_libraries(quick Boost::smart_ptr 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)
+cmake_minimum_required(VERSION 3.5...3.16)
 
 project(cmake_subdir_test LANGUAGES CXX)
 
@@ -11,7 +11,6 @@ add_subdirectory(../../../assert boostorg/assert)
 add_subdirectory(../../../config boostorg/config)
 add_subdirectory(../../../core boostorg/core)
 add_subdirectory(../../../move boostorg/move)
-add_subdirectory(../../../predef boostorg/predef)
 add_subdirectory(../../../static_assert boostorg/static_assert)
 add_subdirectory(../../../throw_exception boostorg/throw_exception)
 add_subdirectory(../../../type_traits boostorg/type_traits)

test/cpp11_pointer_cast_test.cpp

@@ -11,7 +11,7 @@
 #include <boost/pointer_cast.hpp>
 
 #include <boost/config.hpp>
-#include <boost/detail/lightweight_test.hpp>
+#include <boost/core/lightweight_test.hpp>
 #include <boost/get_pointer.hpp>
 #include <boost/shared_ptr.hpp>
 

test/esft_regtest.cpp

@@ -14,7 +14,7 @@
 #include <boost/enable_shared_from_this.hpp>
 #include <boost/shared_ptr.hpp>
 #include <boost/weak_ptr.hpp>
-#include <boost/detail/lightweight_test.hpp>
+#include <boost/core/lightweight_test.hpp>
 #include <boost/config.hpp>
 #include <memory>
 #include <string>

test/esft_second_ptr_test.cpp

@@ -14,7 +14,7 @@
 
 #include <boost/enable_shared_from_this.hpp>
 #include <boost/shared_ptr.hpp>
-#include <boost/detail/lightweight_test.hpp>
+#include <boost/core/lightweight_test.hpp>
 
 //
 

test/esft_void_test.cpp

@@ -11,7 +11,7 @@
 
 #include <boost/enable_shared_from_this.hpp>
 #include <boost/shared_ptr.hpp>
-#include <boost/detail/lightweight_test.hpp>
+#include <boost/core/lightweight_test.hpp>
 
 //
 

test/get_deleter_array_test.cpp

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

test/get_deleter_test.cpp

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

test/intrusive_ptr_move_test.cpp

@@ -26,7 +26,7 @@
 // http://www.boost.org/LICENSE_1_0.txt)
 //
 
-#include <boost/detail/lightweight_test.hpp>
+#include <boost/core/lightweight_test.hpp>
 #include <boost/intrusive_ptr.hpp>
 #include <boost/detail/atomic_count.hpp>
 #include <boost/config.hpp>

test/intrusive_ptr_test.cpp

@@ -26,7 +26,7 @@
 // http://www.boost.org/LICENSE_1_0.txt)
 //
 
-#include <boost/detail/lightweight_test.hpp>
+#include <boost/core/lightweight_test.hpp>
 #include <boost/intrusive_ptr.hpp>
 #include <boost/detail/atomic_count.hpp>
 #include <boost/config.hpp>

test/intrusive_ref_counter_test.cpp

@@ -33,7 +33,7 @@
 #include <cstddef>
 #include <boost/smart_ptr/intrusive_ref_counter.hpp>
 #include <boost/intrusive_ptr.hpp>
-#include <boost/detail/lightweight_test.hpp>
+#include <boost/core/lightweight_test.hpp>
 
 namespace N1 {
 

test/ip_convertible_test.cpp

@@ -8,7 +8,7 @@
 //  See accompanying file LICENSE_1_0.txt or copy at
 //  http://www.boost.org/LICENSE_1_0.txt
 
-#include <boost/detail/lightweight_test.hpp>
+#include <boost/core/lightweight_test.hpp>
 #include <boost/intrusive_ptr.hpp>
 
 //

test/ip_hash_test.cpp

@@ -10,7 +10,7 @@
 
 #include <boost/intrusive_ptr.hpp>
 #include <boost/functional/hash.hpp>
-#include <boost/detail/lightweight_test.hpp>
+#include <boost/core/lightweight_test.hpp>
 
 class base
 {

test/lsp_array_cast_test.cpp

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

test/lsp_array_n_test.cpp

@@ -11,7 +11,7 @@
 #include <boost/smart_ptr/local_shared_ptr.hpp>
 #include <boost/weak_ptr.hpp>
 #include <boost/enable_shared_from_this.hpp>
-#include <boost/detail/lightweight_test.hpp>
+#include <boost/core/lightweight_test.hpp>
 #include <memory>
 #include <utility>
 

test/lsp_array_test.cpp

@@ -11,7 +11,7 @@
 #include <boost/smart_ptr/local_shared_ptr.hpp>
 #include <boost/weak_ptr.hpp>
 #include <boost/enable_shared_from_this.hpp>
-#include <boost/detail/lightweight_test.hpp>
+#include <boost/core/lightweight_test.hpp>
 #include <memory>
 #include <utility>
 

test/lw_thread_test.cpp

@@ -5,7 +5,7 @@
 // Distributed under the Boost Software License, Version 1.0.
 
 #include <boost/detail/lightweight_thread.hpp>
-#include <boost/detail/lightweight_test.hpp>
+#include <boost/core/lightweight_test.hpp>
 #include <boost/smart_ptr/detail/atomic_count.hpp>
 
 boost::detail::atomic_count count( 0 );

test/make_local_shared_array_throws_test.cpp

@@ -8,7 +8,7 @@ Distributed under the Boost Software License, Version 1.0.
 #include <boost/config.hpp>
 #if !defined(BOOST_NO_CXX11_RVALUE_REFERENCES) && \
     !defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES)
-#include <boost/detail/lightweight_test.hpp>
+#include <boost/core/lightweight_test.hpp>
 #include <boost/smart_ptr/make_local_shared.hpp>
 
 class type {

test/make_local_shared_array_value_test.cpp

@@ -8,7 +8,7 @@ Distributed under the Boost Software License, Version 1.0.
 #include <boost/config.hpp>
 #if !defined(BOOST_NO_CXX11_RVALUE_REFERENCES) && \
     !defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES)
-#include <boost/detail/lightweight_test.hpp>
+#include <boost/core/lightweight_test.hpp>
 #include <boost/smart_ptr/make_local_shared.hpp>
 
 int main()

test/make_shared_array_throws_test.cpp

@@ -5,7 +5,7 @@ Copyright 2012-2015 Glen Joseph Fernandes
 Distributed under the Boost Software License, Version 1.0.
 (http://www.boost.org/LICENSE_1_0.txt)
 */
-#include <boost/detail/lightweight_test.hpp>
+#include <boost/core/lightweight_test.hpp>
 #include <boost/smart_ptr/make_shared.hpp>
 
 class type {

test/make_shared_array_value_test.cpp

@@ -5,7 +5,7 @@ Copyright 2012-2015 Glen Joseph Fernandes
 Distributed under the Boost Software License, Version 1.0.
 (http://www.boost.org/LICENSE_1_0.txt)
 */
-#include <boost/detail/lightweight_test.hpp>
+#include <boost/core/lightweight_test.hpp>
 #include <boost/smart_ptr/make_shared.hpp>
 
 int main()

test/make_shared_esft_test.cpp

@@ -6,7 +6,7 @@
 //  See accompanying file LICENSE_1_0.txt or copy at
 //  http://www.boost.org/LICENSE_1_0.txt
 
-#include <boost/detail/lightweight_test.hpp>
+#include <boost/core/lightweight_test.hpp>
 #include <boost/make_shared.hpp>
 #include <boost/shared_ptr.hpp>
 #include <boost/enable_shared_from_this.hpp>

test/make_shared_move_emulation_test.cpp

@@ -9,7 +9,7 @@
 // See accompanying file LICENSE_1_0.txt or copy at
 // http://www.boost.org/LICENSE_1_0.txt
 
-#include <boost/detail/lightweight_test.hpp>
+#include <boost/core/lightweight_test.hpp>
 #include <boost/make_shared.hpp>
 #include <boost/move/core.hpp>
 #include <boost/move/utility_core.hpp>

test/make_shared_perfect_forwarding_test.cpp

@@ -8,7 +8,7 @@
 // See accompanying file LICENSE_1_0.txt or copy at
 // http://www.boost.org/LICENSE_1_0.txt
 
-#include <boost/detail/lightweight_test.hpp>
+#include <boost/core/lightweight_test.hpp>
 #include <boost/make_shared.hpp>
 #include <boost/shared_ptr.hpp>
 

test/make_shared_test.cpp

@@ -6,7 +6,7 @@
 // See accompanying file LICENSE_1_0.txt or copy at
 // http://www.boost.org/LICENSE_1_0.txt
 
-#include <boost/detail/lightweight_test.hpp>
+#include <boost/core/lightweight_test.hpp>
 #include <boost/make_shared.hpp>
 #include <boost/shared_ptr.hpp>
 #include <boost/weak_ptr.hpp>

test/make_unique_array_noinit_test.cpp

@@ -7,7 +7,7 @@ Distributed under the Boost Software License, Version 1.0.
 */
 #include <boost/config.hpp>
 #if !defined(BOOST_NO_CXX11_SMART_PTR)
-#include <boost/detail/lightweight_test.hpp>
+#include <boost/core/lightweight_test.hpp>
 #include <boost/smart_ptr/make_unique.hpp>
 
 class type {

test/make_unique_array_test.cpp

@@ -7,7 +7,7 @@ Distributed under the Boost Software License, Version 1.0.
 */
 #include <boost/config.hpp>
 #if !defined(BOOST_NO_CXX11_SMART_PTR)
-#include <boost/detail/lightweight_test.hpp>
+#include <boost/core/lightweight_test.hpp>
 #include <boost/smart_ptr/make_unique.hpp>
 
 class type {

test/make_unique_array_throws_test.cpp

@@ -7,7 +7,7 @@ Distributed under the Boost Software License, Version 1.0.
 */
 #include <boost/config.hpp>
 #if !defined(BOOST_NO_CXX11_SMART_PTR)
-#include <boost/detail/lightweight_test.hpp>
+#include <boost/core/lightweight_test.hpp>
 #include <boost/smart_ptr/make_unique.hpp>
 
 class type {

test/make_unique_noinit_test.cpp

@@ -7,7 +7,7 @@ Distributed under the Boost Software License, Version 1.0.
 */
 #include <boost/config.hpp>
 #if !defined(BOOST_NO_CXX11_SMART_PTR)
-#include <boost/detail/lightweight_test.hpp>
+#include <boost/core/lightweight_test.hpp>
 #include <boost/smart_ptr/make_unique.hpp>
 
 class type {

test/make_unique_test.cpp

@@ -7,7 +7,7 @@ Distributed under the Boost Software License, Version 1.0.
 */
 #include <boost/config.hpp>
 #if !defined(BOOST_NO_CXX11_SMART_PTR)
-#include <boost/detail/lightweight_test.hpp>
+#include <boost/core/lightweight_test.hpp>
 #include <boost/smart_ptr/make_unique.hpp>
 
 class type {

test/make_unique_throws_test.cpp

@@ -7,7 +7,7 @@ Distributed under the Boost Software License, Version 1.0.
 */
 #include <boost/config.hpp>
 #if !defined(BOOST_NO_CXX11_SMART_PTR)
-#include <boost/detail/lightweight_test.hpp>
+#include <boost/core/lightweight_test.hpp>
 #include <boost/smart_ptr/make_unique.hpp>
 
 class type {

test/make_unique_value_test.cpp

@@ -7,7 +7,7 @@ Distributed under the Boost Software License, Version 1.0.
 */
 #include <boost/config.hpp>
 #if !defined(BOOST_NO_CXX11_SMART_PTR)
-#include <boost/detail/lightweight_test.hpp>
+#include <boost/core/lightweight_test.hpp>
 #include <boost/smart_ptr/make_unique.hpp>
 
 struct type {

test/owner_less_test.cpp

@@ -11,7 +11,7 @@
 //  http://www.boost.org/LICENSE_1_0.txt)
 //
 
-#include <boost/detail/lightweight_test.hpp>
+#include <boost/core/lightweight_test.hpp>
 #include <boost/smart_ptr/owner_less.hpp>
 #include <boost/shared_ptr.hpp>
 #include <boost/weak_ptr.hpp>

test/pointer_cast_test.cpp

@@ -17,7 +17,7 @@
 #include <boost/scoped_ptr.hpp>
 #include <boost/get_pointer.hpp>
 
-#include <boost/detail/lightweight_test.hpp>
+#include <boost/core/lightweight_test.hpp>
 
 namespace
 {

test/sa_nullptr_test.cpp

@@ -9,7 +9,7 @@
 //
 
 #include <boost/shared_array.hpp>
-#include <boost/detail/lightweight_test.hpp>
+#include <boost/core/lightweight_test.hpp>
 #include <cstddef>
 #include <memory>
 

test/shared_from_fail.cpp

@@ -0,0 +1,22 @@
+// Copyright 2020 Peter Dimov
+// Distributed under the Boost Software License, Version 1.0.
+// https://www.boost.org/LICENSE_1_0.txt
+
+#include <boost/shared_ptr.hpp>
+#include <boost/smart_ptr/enable_shared_from.hpp>
+
+struct X: public boost::enable_shared_from
+{
+};
+
+#if defined(__clang__) && defined(_MSC_VER)
+// clang-cl claims that it accepts this code for compatibility
+// with msvc, but no version of msvc accepts it
+#  pragma clang diagnostic error "-Wmicrosoft-using-decl"
+#endif
+
+int main()
+{
+    boost::shared_ptr<X> px( new X );
+    px->shared_from_this();
+}

test/shared_from_raw_test.cpp

@@ -16,7 +16,7 @@
 #include <boost/smart_ptr/enable_shared_from_raw.hpp>
 #include <boost/shared_ptr.hpp>
 
-#include <boost/detail/lightweight_test.hpp>
+#include <boost/core/lightweight_test.hpp>
 
 //
 

test/shared_from_raw_test2.cpp

@@ -12,7 +12,7 @@
 #include <boost/smart_ptr/enable_shared_from_raw.hpp>
 #include <boost/shared_ptr.hpp>
 #include <boost/weak_ptr.hpp>
-#include <boost/detail/lightweight_test.hpp>
+#include <boost/core/lightweight_test.hpp>
 #include <boost/config.hpp>
 #include <memory>
 #include <string>

test/shared_from_raw_test3.cpp

@@ -15,7 +15,7 @@
 
 #include <boost/smart_ptr/enable_shared_from_raw.hpp>
 #include <boost/shared_ptr.hpp>
-#include <boost/detail/lightweight_test.hpp>
+#include <boost/core/lightweight_test.hpp>
 
 //
 

test/shared_from_raw_test4.cpp

@@ -12,7 +12,7 @@
 
 #include <boost/smart_ptr/enable_shared_from_raw.hpp>
 #include <boost/shared_ptr.hpp>
-#include <boost/detail/lightweight_test.hpp>
+#include <boost/core/lightweight_test.hpp>
 
 //
 

test/shared_from_raw_test5.cpp

@@ -17,7 +17,7 @@
 #include <boost/smart_ptr/enable_shared_from_raw.hpp>
 #include <boost/shared_ptr.hpp>
 #include <boost/weak_ptr.hpp>
-#include <boost/detail/lightweight_test.hpp>
+#include <boost/core/lightweight_test.hpp>
 #include <memory>
 
 class X: public boost::enable_shared_from_raw

test/shared_from_this_test.cpp

@@ -25,7 +25,7 @@
 #include <boost/enable_shared_from_this.hpp>
 #include <boost/shared_ptr.hpp>
 
-#include <boost/detail/lightweight_test.hpp>
+#include <boost/core/lightweight_test.hpp>
 
 //
 

test/shared_ptr_alias_move_test.cpp

@@ -9,7 +9,7 @@
 // http://www.boost.org/LICENSE_1_0.txt)
 
 
-#include <boost/detail/lightweight_test.hpp>
+#include <boost/core/lightweight_test.hpp>
 #include <boost/shared_ptr.hpp>
 #include <utility>
 

test/shared_ptr_alias_test.cpp

@@ -9,7 +9,7 @@
 // http://www.boost.org/LICENSE_1_0.txt)
 
 
-#include <boost/detail/lightweight_test.hpp>
+#include <boost/core/lightweight_test.hpp>
 #include <boost/shared_ptr.hpp>
 #include <memory>
 #include <cstddef>

test/shared_ptr_alloc11_test.cpp

@@ -11,7 +11,7 @@
 //  http://www.boost.org/LICENSE_1_0.txt
 
 
-#include <boost/detail/lightweight_test.hpp>
+#include <boost/core/lightweight_test.hpp>
 #include <boost/shared_ptr.hpp>
 #include <memory>
 #include <cstddef>

test/shared_ptr_alloc2_test.cpp

@@ -9,7 +9,7 @@
 // http://www.boost.org/LICENSE_1_0.txt)
 
 
-#include <boost/detail/lightweight_test.hpp>
+#include <boost/core/lightweight_test.hpp>
 #include <boost/shared_ptr.hpp>
 #include <memory>
 #include <cstddef>

test/shared_ptr_alloc3_test.cpp

@@ -9,7 +9,7 @@
 //  http://www.boost.org/LICENSE_1_0.txt
 
 
-#include <boost/detail/lightweight_test.hpp>
+#include <boost/core/lightweight_test.hpp>
 #include <boost/shared_ptr.hpp>
 #include <memory>
 #include <cstddef>

test/shared_ptr_basic_test.cpp

@@ -28,7 +28,7 @@
 // http://www.boost.org/LICENSE_1_0.txt)
 //
 
-#include <boost/detail/lightweight_test.hpp>
+#include <boost/core/lightweight_test.hpp>
 
 #include <boost/shared_ptr.hpp>
 #include <boost/weak_ptr.hpp>

test/shared_ptr_convertible_test.cpp

@@ -8,7 +8,7 @@
 //  See accompanying file LICENSE_1_0.txt or copy at
 //  http://www.boost.org/LICENSE_1_0.txt
 
-#include <boost/detail/lightweight_test.hpp>
+#include <boost/core/lightweight_test.hpp>
 #include <boost/shared_ptr.hpp>
 
 //

test/shared_ptr_move_test.cpp

@@ -9,7 +9,7 @@
 //
 
 #include <boost/shared_ptr.hpp>
-#include <boost/detail/lightweight_test.hpp>
+#include <boost/core/lightweight_test.hpp>
 #include <utility>
 
 #if !defined( BOOST_NO_CXX11_RVALUE_REFERENCES )

test/shared_ptr_reinterpret_pointer_cast_test.cpp

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

test/shared_ptr_rv_pointer_cast_test.cpp

@@ -9,7 +9,7 @@
 //
 
 #include <boost/shared_ptr.hpp>
-#include <boost/detail/lightweight_test.hpp>
+#include <boost/core/lightweight_test.hpp>
 
 #if !defined( BOOST_NO_CXX11_RVALUE_REFERENCES )
 

test/shared_ptr_rv_test.cpp

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

test/shared_ptr_test.cpp

@@ -28,7 +28,7 @@
 // http://www.boost.org/LICENSE_1_0.txt)
 //
 
-#include <boost/detail/lightweight_test.hpp>
+#include <boost/core/lightweight_test.hpp>
 
 #include <boost/shared_ptr.hpp>
 #include <boost/weak_ptr.hpp>

test/smart_ptr_test.cpp

@@ -37,7 +37,7 @@
 
 #include <boost/smart_ptr.hpp>
 
-#include <boost/detail/lightweight_test.hpp>
+#include <boost/core/lightweight_test.hpp>
 
 #include <iostream>
 #include <set>

test/sp_array_cast_test.cpp

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

test/sp_array_n_test.cpp

@@ -11,7 +11,7 @@
 #include <boost/shared_ptr.hpp>
 #include <boost/weak_ptr.hpp>
 #include <boost/enable_shared_from_this.hpp>
-#include <boost/detail/lightweight_test.hpp>
+#include <boost/core/lightweight_test.hpp>
 #include <memory>
 #include <utility>
 

test/sp_array_test.cpp

@@ -11,7 +11,7 @@
 #include <boost/shared_ptr.hpp>
 #include <boost/weak_ptr.hpp>
 #include <boost/enable_shared_from_this.hpp>
-#include <boost/detail/lightweight_test.hpp>
+#include <boost/core/lightweight_test.hpp>
 #include <memory>
 #include <utility>
 

test/sp_atomic_test.cpp

@@ -9,7 +9,7 @@
 //  http://www.boost.org/LICENSE_1_0.txt
 
 
-#include <boost/detail/lightweight_test.hpp>
+#include <boost/core/lightweight_test.hpp>
 #include <boost/shared_ptr.hpp>
 #include <boost/memory_order.hpp>
 

test/sp_bml_unique_ptr_test.cpp

@@ -10,7 +10,7 @@
 
 #include <boost/shared_ptr.hpp>
 #include <boost/enable_shared_from_this.hpp>
-#include <boost/detail/lightweight_test.hpp>
+#include <boost/core/lightweight_test.hpp>
 #include <boost/move/unique_ptr.hpp>
 #include <boost/type_traits/remove_reference.hpp>
 #include <memory>

test/sp_constexpr_test.cpp

@@ -9,7 +9,7 @@
 //
 
 #include <boost/config.hpp>
-#include <boost/detail/workaround.hpp>
+#include <boost/config/workaround.hpp>
 
 #define HAVE_CONSTEXPR_INIT
 

test/sp_constexpr_test2.cpp

@@ -9,7 +9,7 @@
 //
 
 #include <boost/config.hpp>
-#include <boost/detail/workaround.hpp>
+#include <boost/config/workaround.hpp>
 
 #define HAVE_CONSTEXPR_INIT
 

test/sp_convertible_test.cpp

@@ -8,7 +8,7 @@
 //  See accompanying file LICENSE_1_0.txt or copy at
 //  http://www.boost.org/LICENSE_1_0.txt
 
-#include <boost/detail/lightweight_test.hpp>
+#include <boost/core/lightweight_test.hpp>
 #include <boost/smart_ptr/detail/sp_convertible.hpp>
 
 //

test/sp_guides_test.cpp

@@ -0,0 +1,25 @@
+// Copyright 2020 Peter Dimov
+// Distributed under the Boost Software License, Version 1.0.
+// https://www.boost.org/LICENSE_1_0.txt
+
+#if defined(__cpp_deduction_guides)
+
+#include <boost/shared_ptr.hpp>
+#include <boost/weak_ptr.hpp>
+
+int main()
+{
+    boost::shared_ptr<int> p1( new int );
+    boost::weak_ptr<int> p2( p1 );
+    boost::shared_ptr p3( p2 );
+}
+
+#else
+
+#include <boost/config/pragma_message.hpp>
+
+BOOST_PRAGMA_MESSAGE( "Skipping test because __cpp_deduction_guides is not defined" )
+
+int main() {}
+
+#endif

test/sp_guides_test2.cpp

@@ -0,0 +1,23 @@
+// Copyright 2020 Peter Dimov
+// Distributed under the Boost Software License, Version 1.0.
+// https://www.boost.org/LICENSE_1_0.txt
+
+#if defined(__cpp_deduction_guides)
+
+#include <boost/shared_ptr.hpp>
+#include <memory>
+
+int main()
+{
+    boost::shared_ptr p2( std::unique_ptr<int>( new int ) );
+}
+
+#else
+
+#include <boost/config/pragma_message.hpp>
+
+BOOST_PRAGMA_MESSAGE( "Skipping test because __cpp_deduction_guides is not defined" )
+
+int main() {}
+
+#endif

test/sp_hash_test.cpp

@@ -10,7 +10,7 @@
 
 #include <boost/shared_ptr.hpp>
 #include <boost/functional/hash.hpp>
-#include <boost/detail/lightweight_test.hpp>
+#include <boost/core/lightweight_test.hpp>
 
 int main()
 {

test/sp_hash_test2.cpp

@@ -10,7 +10,7 @@
 
 #include <boost/shared_ptr.hpp>
 #include <boost/functional/hash.hpp>
-#include <boost/detail/lightweight_test.hpp>
+#include <boost/core/lightweight_test.hpp>
 
 int main()
 {

test/sp_hash_test3.cpp

@@ -10,7 +10,7 @@
 
 #include <boost/shared_ptr.hpp>
 #include <boost/functional/hash.hpp>
-#include <boost/detail/lightweight_test.hpp>
+#include <boost/core/lightweight_test.hpp>
 
 int main()
 {

test/sp_interlocked_test.cpp

@@ -11,7 +11,7 @@
 #if defined( WIN32 ) || defined( _WIN32 ) || defined( __WIN32__ ) || defined( __CYGWIN__ )
 
 #include <boost/smart_ptr/detail/sp_interlocked.hpp>
-#include <boost/detail/lightweight_test.hpp>
+#include <boost/core/lightweight_test.hpp>
 
 #ifndef __LP64__
 

test/sp_nullptr_test.cpp

@@ -10,7 +10,7 @@
 
 #include <boost/shared_ptr.hpp>
 #include <boost/smart_ptr/detail/sp_nullptr_t.hpp>
-#include <boost/detail/lightweight_test.hpp>
+#include <boost/core/lightweight_test.hpp>
 #include <cstddef>
 #include <memory>
 

test/sp_recursive_assign2_rv_test.cpp

@@ -10,7 +10,7 @@
 
 
 #include <boost/shared_ptr.hpp>
-#include <boost/detail/lightweight_test.hpp>
+#include <boost/core/lightweight_test.hpp>
 
 //
 

test/sp_recursive_assign2_test.cpp

@@ -10,7 +10,7 @@
 
 
 #include <boost/shared_ptr.hpp>
-#include <boost/detail/lightweight_test.hpp>
+#include <boost/core/lightweight_test.hpp>
 
 //
 

test/sp_recursive_assign_rv_test.cpp

@@ -10,7 +10,7 @@
 
 
 #include <boost/shared_ptr.hpp>
-#include <boost/detail/lightweight_test.hpp>
+#include <boost/core/lightweight_test.hpp>
 
 //