Update ci.yml

.drone.jsonnet

@@ -154,22 +154,16 @@ local windows_pipeline(name, image, environment, arch = "amd64") =
     ),
 
     linux_pipeline(
-        "Linux 18.04 GCC 8",
+        "Linux 18.04 GCC 8 32/64",
         "cppalliance/droneubuntu1804:1",
-        { TOOLSET: 'gcc', COMPILER: 'g++-8', CXXSTD: '03,11,14,17' },
-        "g++-8",
+        { TOOLSET: 'gcc', COMPILER: 'g++-8', CXXSTD: '03,11,14,17', ADDRMD: '32,64' },
+        "g++-8-multilib",
     ),
 
     linux_pipeline(
-        "Linux 20.04 GCC 9* 32",
+        "Linux 20.04 GCC 9* 32/64",
         "cppalliance/droneubuntu2004:1",
-        { TOOLSET: 'gcc', COMPILER: 'g++', CXXSTD: '03,11,14,17,2a', ADDRMD: '32' },
-    ),
-
-    linux_pipeline(
-        "Linux 20.04 GCC 9* 64",
-        "cppalliance/droneubuntu2004:1",
-        { TOOLSET: 'gcc', COMPILER: 'g++', CXXSTD: '03,11,14,17,2a', ADDRMD: '64' },
+        { TOOLSET: 'gcc', COMPILER: 'g++', CXXSTD: '03,11,14,17,2a', ADDRMD: '32,64' },
     ),
 
     linux_pipeline(
@@ -187,36 +181,30 @@ local windows_pipeline(name, image, environment, arch = "amd64") =
     ),
 
     linux_pipeline(
-        "Linux 20.04 GCC 10 32 ASAN",
+        "Linux 20.04 GCC 10 32/64",
         "cppalliance/droneubuntu2004:1",
-        { TOOLSET: 'gcc', COMPILER: 'g++-10', CXXSTD: '03,11,14,17,20', ADDRMD: '32' } + asan,
+        { TOOLSET: 'gcc', COMPILER: 'g++-10', CXXSTD: '03,11,14,17,20', ADDRMD: '32,64' },
         "g++-10-multilib",
     ),
 
     linux_pipeline(
-        "Linux 20.04 GCC 10 64 ASAN",
-        "cppalliance/droneubuntu2004:1",
-        { TOOLSET: 'gcc', COMPILER: 'g++-10', CXXSTD: '03,11,14,17,20', ADDRMD: '64' } + asan,
-        "g++-10-multilib",
+        "Linux 22.04 GCC 11* 32/64",
+        "cppalliance/droneubuntu2204:1",
+        { TOOLSET: 'gcc', COMPILER: 'g++', CXXSTD: '03,11,14,17,2a', ADDRMD: '32,64' },
     ),
 
     linux_pipeline(
-        "Linux 22.04 GCC 11* 32",
+        "Linux 22.04 GCC 12 32 ASAN",
         "cppalliance/droneubuntu2204:1",
-        { TOOLSET: 'gcc', COMPILER: 'g++', CXXSTD: '03,11,14,17,2a', ADDRMD: '32' },
+        { TOOLSET: 'gcc', COMPILER: 'g++-12', CXXSTD: '03,11,14,17,20,2b', ADDRMD: '32' } + asan,
+        "g++-12-multilib",
     ),
 
     linux_pipeline(
-        "Linux 22.04 GCC 11* 64",
+        "Linux 22.04 GCC 12 64 ASAN",
         "cppalliance/droneubuntu2204:1",
-        { TOOLSET: 'gcc', COMPILER: 'g++', CXXSTD: '03,11,14,17,2a', ADDRMD: '64' },
-    ),
-
-    linux_pipeline(
-        "Linux 22.04 GCC 12",
-        "cppalliance/droneubuntu2204:1",
-        { TOOLSET: 'gcc', COMPILER: 'g++-12', CXXSTD: '03,11,14,17,20,2b' },
-        "g++-12",
+        { TOOLSET: 'gcc', COMPILER: 'g++-12', CXXSTD: '03,11,14,17,20,2b', ADDRMD: '64' } + asan,
+        "g++-12-multilib",
     ),
 
     linux_pipeline(
@@ -325,25 +313,32 @@ local windows_pipeline(name, image, environment, arch = "amd64") =
     ),
 
     linux_pipeline(
-        "Linux 22.04 Clang 14 UBSAN",
+        "Linux 22.04 Clang 14",
         "cppalliance/droneubuntu2204:1",
-        { TOOLSET: 'clang', COMPILER: 'clang++-14', CXXSTD: '03,11,14,17,20,2b' } + ubsan,
+        { TOOLSET: 'clang', COMPILER: 'clang++-14', CXXSTD: '03,11,14,17,20,2b' },
         "clang-14",
     ),
 
     linux_pipeline(
-        "Linux 22.04 Clang 14 ASAN",
+        "Linux 22.04 Clang 15 UBSAN",
         "cppalliance/droneubuntu2204:1",
-        { TOOLSET: 'clang', COMPILER: 'clang++-14', CXXSTD: '03,11,14,17,20,2b' } + asan,
-        "clang-14",
-    ),
-
-    linux_pipeline(
-        "Linux 22.04 Clang 15",
-        "cppalliance/droneubuntu2204:1",
-        { TOOLSET: 'clang', COMPILER: 'clang++-15', CXXSTD: '03,11,14,17,20,2b' },
+        { TOOLSET: 'clang', COMPILER: 'clang++-15', CXXSTD: '03,11,14,17,20,2b' } + ubsan,
         "clang-15",
-        ["deb http://apt.llvm.org/jammy/ llvm-toolchain-jammy-15 main"],
+    ),
+
+    linux_pipeline(
+        "Linux 22.04 Clang 15 ASAN",
+        "cppalliance/droneubuntu2204:1",
+        { TOOLSET: 'clang', COMPILER: 'clang++-15', CXXSTD: '03,11,14,17,20,2b' } + asan,
+        "clang-15",
+    ),
+
+    linux_pipeline(
+        "Linux 22.04 Clang 16",
+        "cppalliance/droneubuntu2204:1",
+        { TOOLSET: 'clang', COMPILER: 'clang++-16', CXXSTD: '03,11,14,17,20,2b' },
+        "clang-16",
+        ["deb http://apt.llvm.org/jammy/ llvm-toolchain-jammy-16 main"],
     ),
 
     macos_pipeline(
@@ -356,6 +351,18 @@ local windows_pipeline(name, image, environment, arch = "amd64") =
         { TOOLSET: 'clang', COMPILER: 'clang++', CXXSTD: '03,11,14,1z' } + asan,
     ),
 
+    macos_pipeline(
+        "MacOS 12.4 Xcode 13.4.1 UBSAN",
+        { TOOLSET: 'clang', COMPILER: 'clang++', CXXSTD: '03,11,14,17,20,2b' } + ubsan,
+        xcode_version = "13.4.1", osx_version = "monterey", arch = "arm64",
+    ),
+
+    macos_pipeline(
+        "MacOS 12.4 Xcode 13.4.1 ASAN",
+        { TOOLSET: 'clang', COMPILER: 'clang++', CXXSTD: '03,11,14,17,20,2b' } + asan,
+        xcode_version = "13.4.1", osx_version = "monterey", arch = "arm64",
+    ),
+
     windows_pipeline(
         "Windows VS2015 msvc-14.0",
         "cppalliance/dronevs2015",

.drone/drone.sh

@@ -5,6 +5,7 @@
 # https://www.boost.org/LICENSE_1_0.txt
 
 set -ex
+export PATH=~/.local/bin:/usr/local/bin:$PATH
 
 DRONE_BUILD_DIR=$(pwd)
 

.github/workflows/ci.yml

@@ -66,6 +66,12 @@ jobs:
             os: ubuntu-22.04
             install: g++-12-multilib
             address-model: 32,64
+          - toolset: gcc-13
+            cxxstd: "03,11,14,17,20,2b"
+            os: ubuntu-latest
+            container: ubuntu:23.04
+            install: g++-13-multilib
+            address-model: 32,64
           - toolset: clang
             compiler: clang++-3.9
             cxxstd: "03,11,14"
@@ -119,16 +125,42 @@ jobs:
           - toolset: clang
             compiler: clang++-13
             cxxstd: "03,11,14,17,20,2b"
-            os: ubuntu-22.04
+            container: ubuntu:22.04
+            os: ubuntu-latest
             install: clang-13
           - toolset: clang
             compiler: clang++-14
             cxxstd: "03,11,14,17,20,2b"
-            os: ubuntu-22.04
+            container: ubuntu:22.04
+            os: ubuntu-latest
             install: clang-14
+          - toolset: clang
+            compiler: clang++-15
+            cxxstd: "03,11,14,17,20,2b"
+            container: ubuntu:22.04
+            os: ubuntu-latest
+            install: clang-15
+          - toolset: clang
+            compiler: clang++-16
+            cxxstd: "03,11,14,17,20,2b"
+            container: ubuntu:23.04
+            os: ubuntu-latest
+            install: clang-16
+          - toolset: clang
+            compiler: clang++-17
+            cxxstd: "03,11,14,17,20,2b"
+            container: ubuntu:23.10
+            os: ubuntu-latest
+            install: clang-17
           - toolset: clang
             cxxstd: "03,11,14,17,2a"
             os: macos-11
+          - toolset: clang
+            cxxstd: "03,11,14,17,20,2b"
+            os: macos-12
+          - toolset: clang
+            cxxstd: "03,11,14,17,20,2b"
+            os: macos-13
 
     runs-on: ${{matrix.os}}
     container: ${{matrix.container}}
@@ -144,11 +176,13 @@ jobs:
         if: matrix.container
         run: |
           apt-get update
-          apt-get -y install sudo python git g++
+          apt-get -y install sudo python3 git g++
 
       - name: Install packages
         if: matrix.install
-        run: sudo apt-get -y install ${{matrix.install}}
+        run: |
+          sudo apt-get update
+          sudo apt-get -y install ${{matrix.install}}
 
       - name: Setup Boost
         run: |
@@ -168,7 +202,7 @@ jobs:
           cd boost-root
           cp -r $GITHUB_WORKSPACE/* libs/$LIBRARY
           git submodule update --init tools/boostdep
-          python tools/boostdep/depinst/depinst.py --git_args "--jobs 3" $LIBRARY
+          python3 tools/boostdep/depinst/depinst.py --git_args "--jobs 3" $LIBRARY
           ./bootstrap.sh
           ./b2 -d0 headers
 
@@ -200,7 +234,7 @@ jobs:
             addrmd: 32,64
             os: windows-2022
           - toolset: clang-win
-            cxxstd: "14,17,latest"
+            cxxstd: "14,17,20,latest"
             addrmd: 32,64
             os: windows-2022
           - toolset: gcc
@@ -249,6 +283,8 @@ jobs:
           - os: ubuntu-20.04
           - os: ubuntu-22.04
           - os: macos-11
+          - os: macos-12
+          - os: macos-13
 
     runs-on: ${{matrix.os}}
 
@@ -295,6 +331,8 @@ jobs:
           - os: ubuntu-20.04
           - os: ubuntu-22.04
           - os: macos-11
+          - os: macos-12
+          - os: macos-13
 
     runs-on: ${{matrix.os}}
 
@@ -351,6 +389,8 @@ jobs:
           - os: ubuntu-20.04
           - os: ubuntu-22.04
           - os: macos-11
+          - os: macos-12
+          - os: macos-13
 
     runs-on: ${{matrix.os}}
 
@@ -396,3 +436,183 @@ jobs:
         run: |
           cd ../boost-root/__build__
           ctest --output-on-failure --no-tests=error
+
+  windows-cmake-subdir:
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - os: windows-2019
+          - os: windows-2022
+
+    runs-on: ${{matrix.os}}
+
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Setup Boost
+        shell: cmd
+        run: |
+          echo GITHUB_REPOSITORY: %GITHUB_REPOSITORY%
+          for /f %%i in ("%GITHUB_REPOSITORY%") do set LIBRARY=%%~nxi
+          echo LIBRARY: %LIBRARY%
+          echo LIBRARY=%LIBRARY%>>%GITHUB_ENV%
+          echo GITHUB_BASE_REF: %GITHUB_BASE_REF%
+          echo GITHUB_REF: %GITHUB_REF%
+          if "%GITHUB_BASE_REF%" == "" set GITHUB_BASE_REF=%GITHUB_REF%
+          set BOOST_BRANCH=develop
+          for /f %%i in ("%GITHUB_BASE_REF%") do if "%%~nxi" == "master" set BOOST_BRANCH=master
+          echo BOOST_BRANCH: %BOOST_BRANCH%
+          cd ..
+          git clone -b %BOOST_BRANCH% --depth 1 https://github.com/boostorg/boost.git boost-root
+          cd boost-root
+          xcopy /s /e /q %GITHUB_WORKSPACE% libs\%LIBRARY%\
+          git submodule update --init tools/boostdep
+          python tools/boostdep/depinst/depinst.py --git_args "--jobs 3" %LIBRARY%
+
+      - name: Use library with add_subdirectory (Debug)
+        shell: cmd
+        run: |
+          cd ../boost-root/libs/%LIBRARY%/test/cmake_subdir_test
+          mkdir __build__ && cd __build__
+          cmake ..
+          cmake --build . --config Debug
+          ctest --output-on-failure --no-tests=error -C Debug
+
+      - name: Use library with add_subdirectory (Release)
+        shell: cmd
+        run: |
+          cd ../boost-root/libs/%LIBRARY%/test/cmake_subdir_test/__build__
+          cmake --build . --config Release
+          ctest --output-on-failure --no-tests=error -C Release
+
+  windows-cmake-install:
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - os: windows-2019
+          - os: windows-2022
+
+    runs-on: ${{matrix.os}}
+
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Setup Boost
+        shell: cmd
+        run: |
+          echo GITHUB_REPOSITORY: %GITHUB_REPOSITORY%
+          for /f %%i in ("%GITHUB_REPOSITORY%") do set LIBRARY=%%~nxi
+          echo LIBRARY: %LIBRARY%
+          echo LIBRARY=%LIBRARY%>>%GITHUB_ENV%
+          echo GITHUB_BASE_REF: %GITHUB_BASE_REF%
+          echo GITHUB_REF: %GITHUB_REF%
+          if "%GITHUB_BASE_REF%" == "" set GITHUB_BASE_REF=%GITHUB_REF%
+          set BOOST_BRANCH=develop
+          for /f %%i in ("%GITHUB_BASE_REF%") do if "%%~nxi" == "master" set BOOST_BRANCH=master
+          echo BOOST_BRANCH: %BOOST_BRANCH%
+          cd ..
+          git clone -b %BOOST_BRANCH% --depth 1 https://github.com/boostorg/boost.git boost-root
+          cd boost-root
+          xcopy /s /e /q %GITHUB_WORKSPACE% libs\%LIBRARY%\
+          git submodule update --init tools/boostdep
+          python tools/boostdep/depinst/depinst.py --git_args "--jobs 3" %LIBRARY%
+
+      - name: Configure
+        shell: cmd
+        run: |
+          cd ../boost-root
+          mkdir __build__ && cd __build__
+          cmake -DBOOST_INCLUDE_LIBRARIES=%LIBRARY% -DCMAKE_INSTALL_PREFIX=C:/cmake-prefix ..
+
+      - name: Install (Debug)
+        shell: cmd
+        run: |
+          cd ../boost-root/__build__
+          cmake --build . --target install --config Debug
+
+      - name: Install (Release)
+        shell: cmd
+        run: |
+          cd ../boost-root/__build__
+          cmake --build . --target install --config Release
+
+      - name: Use the installed library (Debug)
+        shell: cmd
+        run: |
+          cd ../boost-root/libs/%LIBRARY%/test/cmake_install_test && mkdir __build__ && cd __build__
+          cmake -DCMAKE_INSTALL_PREFIX=C:/cmake-prefix ..
+          cmake --build . --config Debug
+          ctest --output-on-failure --no-tests=error -C Debug
+
+      - name: Use the installed library (Release)
+        shell: cmd
+        run: |
+          cd ../boost-root/libs/%LIBRARY%/test/cmake_install_test/__build__
+          cmake --build . --config Release
+          ctest --output-on-failure --no-tests=error -C Release
+
+  windows-cmake-test:
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - os: windows-2019
+          - os: windows-2022
+
+    runs-on: ${{matrix.os}}
+
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Setup Boost
+        shell: cmd
+        run: |
+          echo GITHUB_REPOSITORY: %GITHUB_REPOSITORY%
+          for /f %%i in ("%GITHUB_REPOSITORY%") do set LIBRARY=%%~nxi
+          echo LIBRARY: %LIBRARY%
+          echo LIBRARY=%LIBRARY%>>%GITHUB_ENV%
+          echo GITHUB_BASE_REF: %GITHUB_BASE_REF%
+          echo GITHUB_REF: %GITHUB_REF%
+          if "%GITHUB_BASE_REF%" == "" set GITHUB_BASE_REF=%GITHUB_REF%
+          set BOOST_BRANCH=develop
+          for /f %%i in ("%GITHUB_BASE_REF%") do if "%%~nxi" == "master" set BOOST_BRANCH=master
+          echo BOOST_BRANCH: %BOOST_BRANCH%
+          cd ..
+          git clone -b %BOOST_BRANCH% --depth 1 https://github.com/boostorg/boost.git boost-root
+          cd boost-root
+          xcopy /s /e /q %GITHUB_WORKSPACE% libs\%LIBRARY%\
+          git submodule update --init tools/boostdep
+          python tools/boostdep/depinst/depinst.py --git_args "--jobs 3" %LIBRARY%
+
+      - name: Configure
+        shell: cmd
+        run: |
+          cd ../boost-root
+          mkdir __build__ && cd __build__
+          cmake -DBOOST_INCLUDE_LIBRARIES=%LIBRARY% -DBUILD_TESTING=ON ..
+
+      - name: Build tests (Debug)
+        shell: cmd
+        run: |
+          cd ../boost-root/__build__
+          cmake --build . --target tests --config Debug
+
+      - name: Run tests (Debug)
+        shell: cmd
+        run: |
+          cd ../boost-root/__build__
+          ctest --output-on-failure --no-tests=error -C Debug
+
+      - name: Build tests (Release)
+        shell: cmd
+        run: |
+          cd ../boost-root/__build__
+          cmake --build . --target tests --config Release
+
+      - name: Run tests (Release)
+        shell: cmd
+        run: |
+          cd ../boost-root/__build__
+          ctest --output-on-failure --no-tests=error -C Release

doc/smart_ptr/make_unique.adoc

@@ -30,8 +30,8 @@ requests from users.
 
 This library also provides additional overloads of `make_unique` for
 default-initialization, when users do not need or want to incur the expense
-of value-initialization. The {cpp} standard does not yet provide this
-feature with `std::make_unique`.
+of value-initialization. The {cpp}20 standard now provides this feature with
+`std::make_unique_for_overwrite`.
 
 ## Synopsis
 

include/boost/smart_ptr/allocate_local_shared_array.hpp

@@ -8,6 +8,7 @@ Distributed under the Boost Software License, Version 1.0.
 #ifndef BOOST_SMART_PTR_ALLOCATE_LOCAL_SHARED_ARRAY_HPP
 #define BOOST_SMART_PTR_ALLOCATE_LOCAL_SHARED_ARRAY_HPP
 
+#include <boost/smart_ptr/detail/requires_cxx11.hpp>
 #include <boost/smart_ptr/allocate_shared_array.hpp>
 #include <boost/smart_ptr/local_shared_ptr.hpp>
 

include/boost/smart_ptr/allocate_shared_array.hpp

@@ -8,6 +8,7 @@ Distributed under the Boost Software License, Version 1.0.
 #ifndef BOOST_SMART_PTR_ALLOCATE_SHARED_ARRAY_HPP
 #define BOOST_SMART_PTR_ALLOCATE_SHARED_ARRAY_HPP
 
+#include <boost/smart_ptr/detail/requires_cxx11.hpp>
 #include <boost/core/allocator_access.hpp>
 #include <boost/core/alloc_construct.hpp>
 #include <boost/core/first_scalar.hpp>

include/boost/smart_ptr/allocate_unique.hpp

@@ -8,6 +8,7 @@ Distributed under the Boost Software License, Version 1.0.
 #ifndef BOOST_SMART_PTR_ALLOCATE_UNIQUE_HPP
 #define BOOST_SMART_PTR_ALLOCATE_UNIQUE_HPP
 
+#include <boost/smart_ptr/detail/requires_cxx11.hpp>
 #include <boost/smart_ptr/detail/sp_noexcept.hpp>
 #include <boost/smart_ptr/detail/sp_nullptr_t.hpp>
 #include <boost/core/allocator_access.hpp>

include/boost/smart_ptr/atomic_shared_ptr.hpp

@@ -13,6 +13,7 @@
 //  See http://www.boost.org/libs/smart_ptr/ for documentation.
 //
 
+#include <boost/smart_ptr/detail/requires_cxx11.hpp>
 #include <boost/smart_ptr/shared_ptr.hpp>
 #include <boost/smart_ptr/detail/spinlock.hpp>
 #include <cstring>

include/boost/smart_ptr/detail/requires_cxx11.hpp

@@ -0,0 +1,23 @@
+#ifndef BOOST_SMART_PTR_DETAIL_REQUIRES_CXX11_HPP_INCLUDED
+#define BOOST_SMART_PTR_DETAIL_REQUIRES_CXX11_HPP_INCLUDED
+
+// Copyright 2023 Peter Dimov
+// Distributed under the Boost Software License, Version 1.0.
+// https://www.boost.org/LICENSE_1_0.txt
+
+#include <boost/config.hpp>
+#include <boost/config/pragma_message.hpp>
+
+#if defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES) || \
+    defined(BOOST_NO_CXX11_RVALUE_REFERENCES) || \
+    defined(BOOST_NO_CXX11_DECLTYPE) || \
+    defined(BOOST_NO_CXX11_CONSTEXPR) || \
+    defined(BOOST_NO_CXX11_NOEXCEPT) || \
+    defined(BOOST_NO_CXX11_NULLPTR) || \
+    defined(BOOST_NO_CXX11_SMART_PTR)
+
+BOOST_PRAGMA_MESSAGE("C++03 support was deprecated in Boost.SmartPtr 1.82 and will be removed in Boost.SmartPtr 1.85.")
+
+#endif
+
+#endif // #ifndef BOOST_SMART_PTR_DETAIL_REQUIRES_CXX11_HPP_INCLUDED

include/boost/smart_ptr/detail/sp_counted_base_gcc_atomic.hpp

@@ -137,7 +137,7 @@ public:
 
     long use_count() const // nothrow
     {
-        return atomic_load( &use_count_ );
+        return static_cast<long>( atomic_load( &use_count_ ) );
     }
 };
 

include/boost/smart_ptr/detail/sp_thread_pause.hpp

@@ -1,51 +1,23 @@
 #ifndef BOOST_SMART_PTR_DETAIL_SP_THREAD_PAUSE_HPP_INCLUDED
 #define BOOST_SMART_PTR_DETAIL_SP_THREAD_PAUSE_HPP_INCLUDED
 
-// MS compatible compilers support #pragma once
-
-#if defined(_MSC_VER) && (_MSC_VER >= 1020)
-# pragma once
-#endif
-
-// boost/smart_ptr/detail/sp_thread_pause.hpp
-//
-// inline void bost::detail::sp_thread_pause();
-//
-//   Emits a "pause" instruction.
-//
-// Copyright 2008, 2020 Peter Dimov
-// Distributed under the Boost Software License, Version 1.0
+// Copyright 2023 Peter Dimov
+// Distributed under the Boost Software License, Version 1.0.
 // https://www.boost.org/LICENSE_1_0.txt
 
-#if defined(_MSC_VER) && _MSC_VER >= 1310 && ( defined(_M_IX86) || defined(_M_X64) ) && !defined(__c2__)
+#include <boost/core/yield_primitives.hpp>
+#include <boost/config/header_deprecated.hpp>
 
-extern "C" void _mm_pause();
-
-#define BOOST_SP_PAUSE _mm_pause();
-
-#elif defined(__GNUC__) && ( defined(__i386__) || defined(__x86_64__) )
-
-#define BOOST_SP_PAUSE __asm__ __volatile__( "rep; nop" : : : "memory" );
-
-#else
-
-#define BOOST_SP_PAUSE
-
-#endif
+BOOST_HEADER_DEPRECATED( "<boost/core/yield_primitives.hpp>" )
 
 namespace boost
 {
 namespace detail
 {
 
-inline void sp_thread_pause()
-{
-    BOOST_SP_PAUSE
-}
+using boost::core::sp_thread_pause;
 
 } // namespace detail
 } // namespace boost
 
-#undef BOOST_SP_PAUSE
-
 #endif // #ifndef BOOST_SMART_PTR_DETAIL_SP_THREAD_PAUSE_HPP_INCLUDED

include/boost/smart_ptr/detail/sp_thread_sleep.hpp

@@ -1,104 +1,23 @@
 #ifndef BOOST_SMART_PTR_DETAIL_SP_THREAD_SLEEP_HPP_INCLUDED
 #define BOOST_SMART_PTR_DETAIL_SP_THREAD_SLEEP_HPP_INCLUDED
 
-// MS compatible compilers support #pragma once
-
-#if defined(_MSC_VER) && (_MSC_VER >= 1020)
-# pragma once
-#endif
-
-// boost/smart_ptr/detail/sp_thread_sleep.hpp
-//
-// inline void bost::detail::sp_thread_sleep();
-//
-//   Cease execution for a while to yield to other threads,
-//   as if by calling nanosleep() with an appropriate interval.
-//
-// Copyright 2008, 2020 Peter Dimov
-// Distributed under the Boost Software License, Version 1.0
+// Copyright 2023 Peter Dimov
+// Distributed under the Boost Software License, Version 1.0.
 // https://www.boost.org/LICENSE_1_0.txt
 
-#include <boost/config.hpp>
-#include <boost/config/pragma_message.hpp>
+#include <boost/core/yield_primitives.hpp>
+#include <boost/config/header_deprecated.hpp>
 
-#if defined( WIN32 ) || defined( _WIN32 ) || defined( __WIN32__ ) || defined( __CYGWIN__ )
-
-#if defined(BOOST_SP_REPORT_IMPLEMENTATION)
-  BOOST_PRAGMA_MESSAGE("Using Sleep(1) in sp_thread_sleep")
-#endif
-
-#include <boost/smart_ptr/detail/sp_win32_sleep.hpp>
+BOOST_HEADER_DEPRECATED( "<boost/core/yield_primitives.hpp>" )
 
 namespace boost
 {
-
 namespace detail
 {
 
-inline void sp_thread_sleep()
-{
-    Sleep( 1 );
-}
+using boost::core::sp_thread_sleep;
 
 } // namespace detail
-
 } // namespace boost
 
-#elif defined(BOOST_HAS_NANOSLEEP)
-
-#if defined(BOOST_SP_REPORT_IMPLEMENTATION)
-  BOOST_PRAGMA_MESSAGE("Using nanosleep() in sp_thread_sleep")
-#endif
-
-#include <time.h>
-
-namespace boost
-{
-
-namespace detail
-{
-
-inline void sp_thread_sleep()
-{
-    // g++ -Wextra warns on {} or {0}
-    struct timespec rqtp = { 0, 0 };
-
-    // POSIX says that timespec has tv_sec and tv_nsec
-    // But it doesn't guarantee order or placement
-
-    rqtp.tv_sec = 0;
-    rqtp.tv_nsec = 1000;
-
-    nanosleep( &rqtp, 0 );
-}
-
-} // namespace detail
-
-} // namespace boost
-
-#else
-
-#if defined(BOOST_SP_REPORT_IMPLEMENTATION)
-  BOOST_PRAGMA_MESSAGE("Using sp_thread_yield() in sp_thread_sleep")
-#endif
-
-#include <boost/smart_ptr/detail/sp_thread_yield.hpp>
-
-namespace boost
-{
-
-namespace detail
-{
-
-inline void sp_thread_sleep()
-{
-    sp_thread_yield();
-}
-
-} // namespace detail
-
-} // namespace boost
-
-#endif
-
 #endif // #ifndef BOOST_SMART_PTR_DETAIL_SP_THREAD_SLEEP_HPP_INCLUDED

include/boost/smart_ptr/detail/sp_thread_yield.hpp

@@ -1,100 +1,23 @@
 #ifndef BOOST_SMART_PTR_DETAIL_SP_THREAD_YIELD_HPP_INCLUDED
 #define BOOST_SMART_PTR_DETAIL_SP_THREAD_YIELD_HPP_INCLUDED
 
-// MS compatible compilers support #pragma once
-
-#if defined(_MSC_VER) && (_MSC_VER >= 1020)
-# pragma once
-#endif
-
-// boost/smart_ptr/detail/sp_thread_yield.hpp
-//
-// inline void bost::detail::sp_thread_yield();
-//
-//   Gives up the remainder of the time slice,
-//   as if by calling sched_yield().
-//
-// Copyright 2008, 2020 Peter Dimov
-// Distributed under the Boost Software License, Version 1.0
+// Copyright 2023 Peter Dimov
+// Distributed under the Boost Software License, Version 1.0.
 // https://www.boost.org/LICENSE_1_0.txt
 
-#include <boost/config.hpp>
-#include <boost/config/pragma_message.hpp>
+#include <boost/core/yield_primitives.hpp>
+#include <boost/config/header_deprecated.hpp>
 
-#if defined( WIN32 ) || defined( _WIN32 ) || defined( __WIN32__ ) || defined( __CYGWIN__ )
-
-#if defined(BOOST_SP_REPORT_IMPLEMENTATION)
-  BOOST_PRAGMA_MESSAGE("Using Sleep(0) in sp_thread_yield")
-#endif
-
-#include <boost/smart_ptr/detail/sp_win32_sleep.hpp>
+BOOST_HEADER_DEPRECATED( "<boost/core/yield_primitives.hpp>" )
 
 namespace boost
 {
-
 namespace detail
 {
 
-inline void sp_thread_yield()
-{
-    Sleep( 0 );
-}
+using boost::core::sp_thread_yield;
 
 } // namespace detail
-
 } // namespace boost
 
-#elif defined(BOOST_HAS_SCHED_YIELD)
-
-#if defined(BOOST_SP_REPORT_IMPLEMENTATION)
-  BOOST_PRAGMA_MESSAGE("Using sched_yield() in sp_thread_yield")
-#endif
-
-#ifndef _AIX
-# include <sched.h>
-#else
-  // AIX's sched.h defines ::var which sometimes conflicts with Lambda's var
-  extern "C" int sched_yield(void);
-#endif
-
-namespace boost
-{
-
-namespace detail
-{
-
-inline void sp_thread_yield()
-{
-    sched_yield();
-}
-
-} // namespace detail
-
-} // namespace boost
-
-#else
-
-#if defined(BOOST_SP_REPORT_IMPLEMENTATION)
-  BOOST_PRAGMA_MESSAGE("Using sp_thread_pause() in sp_thread_yield")
-#endif
-
-#include <boost/smart_ptr/detail/sp_thread_pause.hpp>
-
-namespace boost
-{
-
-namespace detail
-{
-
-inline void sp_thread_yield()
-{
-    sp_thread_pause();
-}
-
-} // namespace detail
-
-} // namespace boost
-
-#endif
-
 #endif // #ifndef BOOST_SMART_PTR_DETAIL_SP_THREAD_YIELD_HPP_INCLUDED

include/boost/smart_ptr/detail/sp_win32_sleep.hpp

@@ -1,49 +0,0 @@
-#ifndef BOOST_SMART_PTR_DETAIL_SP_WIN32_SLEEP_HPP_INCLUDED
-#define BOOST_SMART_PTR_DETAIL_SP_WIN32_SLEEP_HPP_INCLUDED
-
-// MS compatible compilers support #pragma once
-
-#if defined(_MSC_VER) && (_MSC_VER >= 1020)
-# pragma once
-#endif
-
-// boost/smart_ptr/detail/sp_win32_sleep.hpp
-//
-// Declares the Win32 Sleep() function.
-//
-// Copyright 2008, 2020 Peter Dimov
-// Distributed under the Boost Software License, Version 1.0
-// https://www.boost.org/LICENSE_1_0.txt
-
-#if defined( BOOST_USE_WINDOWS_H )
-# include <windows.h>
-#endif
-
-namespace boost
-{
-namespace detail
-{
-
-#if !defined( BOOST_USE_WINDOWS_H )
-
-#if defined(__clang__) && defined(__x86_64__)
-// clang x64 warns that __stdcall is ignored
-# define BOOST_SP_STDCALL
-#else
-# define BOOST_SP_STDCALL __stdcall
-#endif
-
-#if defined(__LP64__) // Cygwin 64
-  extern "C" __declspec(dllimport) void BOOST_SP_STDCALL Sleep( unsigned int ms );
-#else
-  extern "C" __declspec(dllimport) void BOOST_SP_STDCALL Sleep( unsigned long ms );
-#endif
-
-#undef BOOST_SP_STDCALL
-
-#endif // !defined( BOOST_USE_WINDOWS_H )
-
-} // namespace detail
-} // namespace boost
-
-#endif // #ifndef BOOST_SMART_PTR_DETAIL_SP_WIN32_SLEEP_HPP_INCLUDED

include/boost/smart_ptr/detail/yield_k.hpp

@@ -19,9 +19,7 @@
 // Distributed under the Boost Software License, Version 1.0.
 // https://www.boost.org/LICENSE_1_0.txt
 
-#include <boost/smart_ptr/detail/sp_thread_pause.hpp>
-#include <boost/smart_ptr/detail/sp_thread_sleep.hpp>
-#include <boost/config.hpp>
+#include <boost/core/yield_primitives.hpp>
 
 namespace boost
 {
@@ -34,13 +32,13 @@ inline void yield( unsigned k )
     // Experiments on Windows and Fedora 32 show that a single pause,
     // followed by an immediate sp_thread_sleep(), is best.
 
-    if( k == 0 )
+    if( k & 1 )
     {
-        sp_thread_pause();
+        boost::core::sp_thread_sleep();
     }
     else
     {
-        sp_thread_sleep();
+        boost::core::sp_thread_pause();
     }
 }
 

include/boost/smart_ptr/enable_shared_from.hpp

@@ -11,6 +11,7 @@
 //
 //  See http://www.boost.org/libs/smart_ptr/ for documentation.
 
+#include <boost/smart_ptr/detail/requires_cxx11.hpp>
 #include <boost/smart_ptr/enable_shared_from_this.hpp>
 #include <boost/smart_ptr/detail/sp_noexcept.hpp>
 

include/boost/smart_ptr/enable_shared_from_this.hpp

@@ -13,6 +13,7 @@
 //  See http://www.boost.org/libs/smart_ptr/ for documentation.
 //
 
+#include <boost/smart_ptr/detail/requires_cxx11.hpp>
 #include <boost/smart_ptr/weak_ptr.hpp>
 #include <boost/smart_ptr/shared_ptr.hpp>
 #include <boost/smart_ptr/detail/sp_noexcept.hpp>

include/boost/smart_ptr/intrusive_ptr.hpp

@@ -13,6 +13,8 @@
 //  See http://www.boost.org/libs/smart_ptr/ for documentation.
 //
 
+#include <boost/smart_ptr/detail/requires_cxx11.hpp>
+
 #include <boost/config.hpp>
 
 #include <boost/assert.hpp>
@@ -245,17 +247,6 @@ template<class T, class U> inline bool operator!=(T * a, intrusive_ptr<U> const
     return a != b.get();
 }
 
-#if defined(__GNUC__) && __GNUC__ == 2 && __GNUC_MINOR__ <= 96
-
-// Resolve the ambiguity between our op!= and the one in rel_ops
-
-template<class T> inline bool operator!=(intrusive_ptr<T> const & a, intrusive_ptr<T> const & b) BOOST_SP_NOEXCEPT
-{
-    return a.get() != b.get();
-}
-
-#endif
-
 #if !defined( BOOST_NO_CXX11_NULLPTR )
 
 template<class T> inline bool operator==( intrusive_ptr<T> const & p, boost::detail::sp_nullptr_t ) BOOST_SP_NOEXCEPT

include/boost/smart_ptr/local_shared_ptr.hpp

@@ -11,6 +11,7 @@
 //
 //  See http://www.boost.org/libs/smart_ptr/ for documentation.
 
+#include <boost/smart_ptr/detail/requires_cxx11.hpp>
 #include <boost/smart_ptr/shared_ptr.hpp>
 
 namespace boost

include/boost/smart_ptr/make_local_shared.hpp

@@ -11,6 +11,7 @@
 //
 //  See http://www.boost.org/libs/smart_ptr/ for documentation.
 
+#include <boost/smart_ptr/detail/requires_cxx11.hpp>
 #include <boost/smart_ptr/make_local_shared_object.hpp>
 #include <boost/smart_ptr/make_local_shared_array.hpp>
 

include/boost/smart_ptr/make_local_shared_array.hpp

@@ -9,6 +9,7 @@ Distributed under the Boost Software License, Version 1.0.
 #ifndef BOOST_SMART_PTR_MAKE_LOCAL_SHARED_ARRAY_HPP
 #define BOOST_SMART_PTR_MAKE_LOCAL_SHARED_ARRAY_HPP
 
+#include <boost/smart_ptr/detail/requires_cxx11.hpp>
 #include <boost/core/default_allocator.hpp>
 #include <boost/smart_ptr/allocate_local_shared_array.hpp>
 

include/boost/smart_ptr/make_local_shared_object.hpp

@@ -11,6 +11,7 @@
 //
 //  See http://www.boost.org/libs/smart_ptr/ for documentation.
 
+#include <boost/smart_ptr/detail/requires_cxx11.hpp>
 #include <boost/smart_ptr/local_shared_ptr.hpp>
 #include <boost/smart_ptr/make_shared.hpp>
 #include <boost/type_traits/remove_const.hpp>

include/boost/smart_ptr/make_shared.hpp

@@ -11,6 +11,7 @@
 //
 //  See http://www.boost.org/libs/smart_ptr/ for documentation.
 
+#include <boost/smart_ptr/detail/requires_cxx11.hpp>
 #include <boost/smart_ptr/make_shared_object.hpp>
 
 #if !defined( BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION ) && !defined( BOOST_NO_SFINAE )

include/boost/smart_ptr/make_shared_array.hpp

@@ -8,6 +8,7 @@ Distributed under the Boost Software License, Version 1.0.
 #ifndef BOOST_SMART_PTR_MAKE_SHARED_ARRAY_HPP
 #define BOOST_SMART_PTR_MAKE_SHARED_ARRAY_HPP
 
+#include <boost/smart_ptr/detail/requires_cxx11.hpp>
 #include <boost/core/default_allocator.hpp>
 #include <boost/smart_ptr/allocate_shared_array.hpp>
 

include/boost/smart_ptr/make_shared_object.hpp

@@ -11,6 +11,7 @@
 //
 //  See http://www.boost.org/libs/smart_ptr/ for documentation.
 
+#include <boost/smart_ptr/detail/requires_cxx11.hpp>
 #include <boost/config.hpp>
 #include <boost/move/core.hpp>
 #include <boost/move/utility_core.hpp>

include/boost/smart_ptr/make_unique.hpp

@@ -8,6 +8,7 @@ Distributed under the Boost Software License, Version 1.0.
 #ifndef BOOST_SMART_PTR_MAKE_UNIQUE_HPP
 #define BOOST_SMART_PTR_MAKE_UNIQUE_HPP
 
+#include <boost/smart_ptr/detail/requires_cxx11.hpp>
 #include <boost/type_traits/enable_if.hpp>
 #include <boost/type_traits/is_array.hpp>
 #include <boost/type_traits/is_unbounded_array.hpp>

include/boost/smart_ptr/scoped_array.hpp

@@ -10,6 +10,7 @@
 //
 //  See http://www.boost.org/libs/smart_ptr/ for documentation.
 
+#include <boost/smart_ptr/detail/requires_cxx11.hpp>
 #include <boost/config.hpp>
 #include <boost/assert.hpp>
 #include <boost/core/checked_delete.hpp>

include/boost/smart_ptr/scoped_ptr.hpp

@@ -10,6 +10,7 @@
 //
 //  See http://www.boost.org/libs/smart_ptr/ for documentation.
 
+#include <boost/smart_ptr/detail/requires_cxx11.hpp>
 #include <boost/config.hpp>
 #include <boost/assert.hpp>
 #include <boost/core/checked_delete.hpp>

include/boost/smart_ptr/shared_array.hpp

@@ -14,6 +14,8 @@
 //  See http://www.boost.org/libs/smart_ptr/ for documentation.
 //
 
+#include <boost/smart_ptr/detail/requires_cxx11.hpp>
+
 #include <boost/config.hpp>   // for broken compiler workarounds
 
 #include <memory>             // TR1 cyclic inclusion fix

include/boost/smart_ptr/shared_ptr.hpp

@@ -14,6 +14,7 @@
 //  See http://www.boost.org/libs/smart_ptr/ for documentation.
 //
 
+#include <boost/smart_ptr/detail/requires_cxx11.hpp>
 #include <boost/smart_ptr/detail/shared_count.hpp>
 #include <boost/smart_ptr/detail/sp_convertible.hpp>
 #include <boost/smart_ptr/detail/sp_nullptr_t.hpp>
@@ -894,17 +895,6 @@ template<class T, class U> inline bool operator!=(shared_ptr<T> const & a, share
     return a.get() != b.get();
 }
 
-#if __GNUC__ == 2 && __GNUC_MINOR__ <= 96
-
-// Resolve the ambiguity between our op!= and the one in rel_ops
-
-template<class T> inline bool operator!=(shared_ptr<T> const & a, shared_ptr<T> const & b) BOOST_SP_NOEXCEPT
-{
-    return a.get() != b.get();
-}
-
-#endif
-
 #if !defined( BOOST_NO_CXX11_NULLPTR )
 
 template<class T> inline bool operator==( shared_ptr<T> const & p, boost::detail::sp_nullptr_t ) BOOST_SP_NOEXCEPT

include/boost/smart_ptr/weak_ptr.hpp

@@ -13,6 +13,7 @@
 //  See http://www.boost.org/libs/smart_ptr/ for documentation.
 //
 
+#include <boost/smart_ptr/detail/requires_cxx11.hpp>
 #include <boost/smart_ptr/detail/shared_count.hpp>
 #include <boost/smart_ptr/shared_ptr.hpp>
 #include <boost/smart_ptr/detail/sp_noexcept.hpp>

test/Jamfile

@@ -8,6 +8,7 @@
 #  http://www.boost.org/LICENSE_1_0.txt)
 
 import testing ;
+import ../../config/checks/config : requires ;
 
 project
     : requirements
@@ -16,6 +17,8 @@ project
       #<toolset>gcc:<cxxflags>-Wno-delete-non-virtual-dtor (not in 4.4/4.6)
     ;
 
+local cnhash = [ requires cxx11_decltype cxx11_noexcept ] <toolset>gcc-4.6:<build>no ;
+
 # quick test (for CI)
 run quick.cpp ;
 
@@ -92,9 +95,11 @@ compile-fail auto_ptr_lv_fail.cpp
 run atomic_count_test2.cpp ;
 run sp_typeinfo_test.cpp ;
 compile make_shared_fp_test.cpp ;
-run sp_hash_test.cpp ;
+run sp_hash_test.cpp
+  : : : $(cnhash) ;
 run get_deleter_array_test.cpp ;
-run ip_hash_test.cpp ;
+run ip_hash_test.cpp
+  : : : $(cnhash) ;
 run owner_less_test.cpp ;
 run sp_unique_ptr_test.cpp ;
 run sp_array_test.cpp ;
@@ -221,8 +226,10 @@ run weak_from_this_test2.cpp ;
 
 run sp_bml_unique_ptr_test.cpp ;
 
-run sp_hash_test2.cpp ;
-run sp_hash_test3.cpp ;
+run sp_hash_test2.cpp
+  : : : $(cnhash) ;
+run sp_hash_test3.cpp
+  : : : $(cnhash) ;
 
 run pointer_cast_test2.cpp ;
 
@@ -312,7 +319,7 @@ lib dll_test : dll_test_lib.cpp : <link>shared:<define>DLL_TEST_DYN_LINK=1 ;
 explicit dll_test ;
 
 run dll_test_main.cpp dll_test : : : <link>static : dll_test_static ;
-run dll_test_main.cpp dll_test : : : <link>shared : dll_test_shared ;
+run dll_test_main.cpp dll_test : : : <link>shared <undefined-sanitizer>norecover:<build>no : dll_test_shared ;
 
 run make_shared_const_test.cpp ;
 run make_local_shared_const_test.cpp ;
@@ -368,11 +375,16 @@ compile-fail shared_from_fail.cpp ;
 compile-fail weak_from_fail.cpp ;
 
 compile sp_override_test.cpp ;
+
+local gcc-flags = -Wundef ;
+
 compile sp_pedantic_test.cpp
   : <warnings>pedantic
     <toolset>msvc:<warnings-as-errors>on
     <toolset>gcc:<warnings-as-errors>on
+    <toolset>gcc:<cxxflags>$(gcc-flags)
     <toolset>clang:<warnings-as-errors>on
+    <toolset>clang:<cxxflags>$(gcc-flags)
     <toolset>clang-15:<cxxflags>-Wno-deprecated-builtins
     ;
 
@@ -388,7 +400,9 @@ run owner_less_test2.cpp ;
 
 run ip_hash_test2.cpp ;
 run sp_hash_test4.cpp ;
-run lsp_hash_test.cpp ;
+
+run lsp_hash_test.cpp
+  : : : $(cnhash)  ;
 run lsp_hash_test2.cpp ;
 
 run atomic_count_mt_test.cpp
@@ -410,7 +424,8 @@ compile sp_report_implementation.cpp ;
 
 run sp_owner_hash_value_test.cpp ;
 
-run wp_hash_test.cpp ;
+run wp_hash_test.cpp
+  : : : $(cnhash) ;
 run wp_hash_test2.cpp ;
 
 run wp_unordered_test.cpp ;