Remove C++03 CI jobs, use gcc-11 libstdc++ in clang-12 through 15.

boost::swap is deprecated and will be removed. Use boost::core::invoke_swap
as a replacement.

.github/workflows/ci.yml

@@ -1,4 +1,4 @@
-# Copyright 2021-2022 Andrey Semashev
+# Copyright 2021-2023 Andrey Semashev
 #
 # 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)
@@ -33,16 +33,8 @@ jobs:
       matrix:
         include:
           # Linux, gcc
-          - toolset: gcc-4.4
-            cxxstd: "98,0x"
-            os: ubuntu-latest
-            container: ubuntu:16.04
-            install:
-              - g++-4.4
-            sources:
-              - "ppa:ubuntu-toolchain-r/test"
           - toolset: gcc-4.6
-            cxxstd: "03,0x"
+            cxxstd: "0x"
             os: ubuntu-latest
             container: ubuntu:16.04
             install:
@@ -50,54 +42,54 @@ jobs:
             sources:
               - "ppa:ubuntu-toolchain-r/test"
           - toolset: gcc-4.7
-            cxxstd: "03,11"
+            cxxstd: "11"
             os: ubuntu-latest
             container: ubuntu:16.04
             install:
               - g++-4.7
           - toolset: gcc-4.8
-            cxxstd: "03,11"
+            cxxstd: "11"
             os: ubuntu-latest
             container: ubuntu:18.04
             install:
               - g++-4.8
           - toolset: gcc-4.9
-            cxxstd: "03,11"
+            cxxstd: "11"
             os: ubuntu-latest
             container: ubuntu:16.04
             install:
               - g++-4.9
           - toolset: gcc-5
-            cxxstd: "03,11,14,1z"
+            cxxstd: "11,14,1z"
             os: ubuntu-latest
             container: ubuntu:16.04
             install:
               - g++-5
           - toolset: gcc-6
-            cxxstd: "03,11,14,1z"
+            cxxstd: "11,14,1z"
             os: ubuntu-latest
             container: ubuntu:18.04
             install:
               - g++-6
           - toolset: gcc-7
-            cxxstd: "03,11,14,17"
+            cxxstd: "11,14,17"
             os: ubuntu-latest
             container: ubuntu:18.04
             install:
               - g++-7
           - toolset: gcc-8
-            cxxstd: "03,11,14,17,2a"
+            cxxstd: "11,14,17,2a"
             os: ubuntu-latest
             container: ubuntu:18.04
             install:
               - g++-8
           - toolset: gcc-9
-            cxxstd: "03,11,14,17,2a"
+            cxxstd: "11,14,17,2a"
             os: ubuntu-20.04
             install:
               - g++-9
           - toolset: gcc-10
-            cxxstd: "03,11,14,17,20"
+            cxxstd: "11,14,17,20"
             os: ubuntu-20.04
             install:
               - g++-10
@@ -123,63 +115,63 @@ jobs:
           # Linux, clang
           - toolset: clang
             compiler: clang++-3.5
-            cxxstd: "03,11"
+            cxxstd: "11"
             os: ubuntu-latest
             container: ubuntu:16.04
             install:
               - clang-3.5
           - toolset: clang
             compiler: clang++-3.6
-            cxxstd: "03,11,14"
+            cxxstd: "11,14"
             os: ubuntu-latest
             container: ubuntu:16.04
             install:
               - clang-3.6
           - toolset: clang
             compiler: clang++-3.7
-            cxxstd: "03,11,14"
+            cxxstd: "11,14"
             os: ubuntu-latest
             container: ubuntu:16.04
             install:
               - clang-3.7
           - toolset: clang
             compiler: clang++-3.8
-            cxxstd: "03,11,14"
+            cxxstd: "11,14"
             os: ubuntu-latest
             container: ubuntu:16.04
             install:
               - clang-3.8
           - toolset: clang
             compiler: clang++-3.9
-            cxxstd: "03,11,14"
+            cxxstd: "11,14"
             os: ubuntu-latest
             container: ubuntu:18.04
             install:
               - clang-3.9
           - toolset: clang
             compiler: clang++-4.0
-            cxxstd: "03,11,14"
+            cxxstd: "11,14"
             os: ubuntu-latest
             container: ubuntu:18.04
             install:
               - clang-4.0
           - toolset: clang
             compiler: clang++-5.0
-            cxxstd: "03,11,14,1z"
+            cxxstd: "11,14,1z"
             os: ubuntu-latest
             container: ubuntu:18.04
             install:
               - clang-5.0
           - toolset: clang
             compiler: clang++-6.0
-            cxxstd: "03,11,14,17"
+            cxxstd: "11,14,17"
             os: ubuntu-latest
             container: ubuntu:18.04
             install:
               - clang-6.0
           - toolset: clang
             compiler: clang++-7
-            cxxstd: "03,11,14,17"
+            cxxstd: "11,14,17"
             os: ubuntu-latest
             container: ubuntu:18.04
             install:
@@ -187,7 +179,7 @@ jobs:
           # Note: clang-8 does not fully support C++20, so it is not compatible with libstdc++-8 in this mode
           - toolset: clang
             compiler: clang++-8
-            cxxstd: "03,11,14,17,2a"
+            cxxstd: "11,14,17,2a"
             os: ubuntu-latest
             container: ubuntu:18.04
             install:
@@ -196,19 +188,19 @@ jobs:
             gcc_toolchain: 7
           - toolset: clang
             compiler: clang++-9
-            cxxstd: "03,11,14,17,2a"
+            cxxstd: "11,14,17,2a"
             os: ubuntu-20.04
             install:
               - clang-9
           - toolset: clang
             compiler: clang++-10
-            cxxstd: "03,11,14,17,20"
+            cxxstd: "11,14,17,20"
             os: ubuntu-20.04
             install:
               - clang-10
           - toolset: clang
             compiler: clang++-11
-            cxxstd: "03,11,14,17,20"
+            cxxstd: "11,14,17,20"
             os: ubuntu-22.04
             install:
               - clang-11
@@ -218,28 +210,32 @@ jobs:
             os: ubuntu-22.04
             install:
               - clang-12
+              - g++-11
+            gcc_toolchain: 11
           - toolset: clang
             compiler: clang++-13
             cxxstd: "03-gnu,11-gnu,14-gnu,17-gnu,20-gnu,2b-gnu"
             os: ubuntu-22.04
             install:
               - clang-13
+              - g++-11
+            gcc_toolchain: 11
           - toolset: clang
             compiler: clang++-14
             cxxstd: "03-gnu,11-gnu,14-gnu,17-gnu,20-gnu,2b-gnu"
             os: ubuntu-22.04
             install:
               - clang-14
+              - g++-11
+            gcc_toolchain: 11
           - toolset: clang
             compiler: clang++-15
             cxxstd: "03-gnu,11-gnu,14-gnu,17-gnu,20-gnu,2b-gnu"
             os: ubuntu-22.04
             install:
               - clang-15
-            sources:
+              - g++-11
-              - "deb http://apt.llvm.org/jammy/ llvm-toolchain-jammy-15 main"
+            gcc_toolchain: 11
-            source_keys:
-              - "https://apt.llvm.org/llvm-snapshot.gpg.key"
           - toolset: clang
             compiler: clang++-15
             cxxstd: "03-gnu,11-gnu,14-gnu,17-gnu,20-gnu,2b-gnu"
@@ -248,15 +244,35 @@ jobs:
               - clang-15
               - libc++-15-dev
               - libc++abi-15-dev
+            cxxflags: -stdlib=libc++
+            linkflags: -stdlib=libc++
+          - toolset: clang
+            compiler: clang++-16
+            cxxstd: "03-gnu,11-gnu,14-gnu,17-gnu,20-gnu,2b-gnu"
+            os: ubuntu-22.04
+            install:
+              - clang-16
             sources:
-              - "deb http://apt.llvm.org/jammy/ llvm-toolchain-jammy-15 main"
+              - "deb http://apt.llvm.org/jammy/ llvm-toolchain-jammy-16 main"
+            source_keys:
+              - "https://apt.llvm.org/llvm-snapshot.gpg.key"
+          - toolset: clang
+            compiler: clang++-16
+            cxxstd: "03-gnu,11-gnu,14-gnu,17-gnu,20-gnu,2b-gnu"
+            os: ubuntu-22.04
+            install:
+              - clang-16
+              - libc++-16-dev
+              - libc++abi-16-dev
+            sources:
+              - "deb http://apt.llvm.org/jammy/ llvm-toolchain-jammy-16 main"
             source_keys:
               - "https://apt.llvm.org/llvm-snapshot.gpg.key"
             cxxflags: -stdlib=libc++
             linkflags: -stdlib=libc++
           - name: UBSAN
             toolset: clang
-            compiler: clang++-14
+            compiler: clang++-15
             cxxstd: "03-gnu,11-gnu,14-gnu,17-gnu,20-gnu,2b-gnu"
             cxxflags: -stdlib=libc++
             linkflags: -stdlib=libc++
@@ -264,12 +280,12 @@ jobs:
             build_variant: debug
             os: ubuntu-22.04
             install:
-              - clang-14
+              - clang-15
-              - libc++-14-dev
+              - libc++-15-dev
-              - libc++abi-14-dev
+              - libc++abi-15-dev
 
           - toolset: clang
-            cxxstd: "03,11,14,17,2a"
+            cxxstd: "11,14,17,2a"
             os: macos-11
 
     timeout-minutes: 60

appveyor.yml

@@ -14,9 +14,6 @@ branches:
 
 environment:
   matrix:
-    - TOOLSET: msvc-9.0,msvc-10.0,msvc-11.0,msvc-12.0
-      ADDRMD: 32
-      APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2015
     - TOOLSET: msvc-14.0
       CXXSTD: 14,latest
       ADDRMD: 32,64
@@ -38,23 +35,23 @@ environment:
       CXXSTD: 14,17,latest
       APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2017
     - TOOLSET: gcc
-      CXXSTD: 03,11,14,1z
+      CXXSTD: 11,14,1z
       ADDPATH: C:\cygwin\bin;
       APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2015
     - TOOLSET: gcc
-      CXXSTD: 03,11,14,1z
+      CXXSTD: 11,14,1z
       ADDPATH: C:\cygwin64\bin;
       APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2015
     - TOOLSET: gcc
-      CXXSTD: 03,11,14,1z
+      CXXSTD: 11,14,1z
       ADDPATH: C:\mingw\bin;
       APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2015
     - TOOLSET: gcc
-      CXXSTD: 03,11,14,1z
+      CXXSTD: 11,14,1z
       ADDPATH: C:\mingw-w64\x86_64-6.3.0-posix-seh-rt_v5-rev1\mingw64\bin;
       APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2015
     - TOOLSET: gcc
-      CXXSTD: 03,11,14,1z
+      CXXSTD: 11,14,1z
       ADDPATH: C:\mingw-w64\x86_64-7.3.0-posix-seh-rt_v5-rev0\mingw64\bin;
       APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2015
 

include/boost/integer/extended_euclidean.hpp

@@ -9,7 +9,7 @@
 #include <limits>
 #include <stdexcept>
 #include <boost/throw_exception.hpp>
-#include <boost/core/swap.hpp>
+#include <boost/core/invoke_swap.hpp>
 #include <boost/core/enable_if.hpp>
 
 namespace boost { namespace integer {
@@ -38,7 +38,7 @@ extended_euclidean(Z m, Z n)
     if (m < n)
     {
         swapped = true;
-        boost::swap(m, n);
+        boost::core::invoke_swap(m, n);
     }
     Z u0 = m;
     Z u1 = 1;