Correct gcc-10 boost_has_hash.

Update the test for C++11 alignas to trigger failure on gcc 4.8

.drone.star

@@ -0,0 +1,57 @@
+# Use, modification, and distribution are
+# subject to the Boost Software License, Version 1.0. (See accompanying
+# file LICENSE.txt)
+#
+# Copyright Rene Rivera 2020.
+
+# For Drone CI we use the Starlark scripting language to reduce duplication.
+# As the yaml syntax for Drone CI is rather limited.
+#
+#
+globalenv={}
+linuxglobalimage="cppalliance/droneubuntu1604:1"
+windowsglobalimage="cppalliance/dronevs2019"
+
+def main(ctx):
+  return [
+  linux_cxx("g++-4.4 98,0x", "g++", packages="g++-4.4", buildtype="boost", image="cppalliance/droneubuntu1404:1", environment={'TOOLSET': 'gcc', 'COMPILER': 'g++-4.4', 'CXXSTD': '98,0x', }, globalenv=globalenv),
+  linux_cxx("g++-4.6 03,0x", "g++", packages="g++-4.6", buildtype="boost", image="cppalliance/droneubuntu1404:1", environment={'TOOLSET': 'gcc', 'COMPILER': 'g++-4.6', 'CXXSTD': '03,0x', }, globalenv=globalenv),
+  linux_cxx("g++-4.7 03,11", "g++-4.7", packages="g++-4.7", buildtype="boost", image="cppalliance/droneubuntu1404:1", environment={'TOOLSET': 'gcc', 'COMPILER': 'g++-4.7', 'CXXSTD': '03,11', }, globalenv=globalenv),
+  linux_cxx("g++-4.8 03,11", "g++-4.8", packages="g++-4.8", buildtype="boost", image="cppalliance/droneubuntu1404:1", environment={'TOOLSET': 'gcc', 'COMPILER': 'g++-4.8', 'CXXSTD': '03,11', }, globalenv=globalenv),
+  linux_cxx("g++-4.9 03,11", "g++-4.9", packages="g++-4.9", buildtype="boost", image="cppalliance/droneubuntu1404:1", environment={'TOOLSET': 'gcc', 'COMPILER': 'g++-4.9', 'CXXSTD': '03,11', }, globalenv=globalenv),
+  linux_cxx("g++-5 03,11,14,1z", "g++-5", packages="g++-5", buildtype="boost", image=linuxglobalimage, environment={'TOOLSET': 'gcc', 'COMPILER': 'g++-5', 'CXXSTD': '03,11,14,1z', }, globalenv=globalenv),
+  linux_cxx("g++-5 gnu-03,11,14,1z", "g++-5", packages="g++-5", buildtype="boost", image=linuxglobalimage, environment={'TOOLSET': 'gcc', 'COMPILER': 'g++-5', 'CXXSTD': '03,11,14,1z', 'CXXSTD_DIALECT': 'cxxstd-dialect=gnu', }, globalenv=globalenv),
+  linux_cxx("g++-6 03,11,14,1z", "g++-6", packages="g++-6", buildtype="boost", image=linuxglobalimage, environment={'TOOLSET': 'gcc', 'COMPILER': 'g++-6', 'CXXSTD': '03,11,14,1z', }, globalenv=globalenv),
+  linux_cxx("g++-6 gnu++03,11,14,1z Job 9", "g++-6", packages="g++-6", buildtype="boost", image=linuxglobalimage, environment={'TOOLSET': 'gcc', 'COMPILER': 'g++-6', 'CXXSTD': '03,11,14,1z', 'CXXSTD_DIALECT': 'cxxstd-dialect=gnu', }, globalenv=globalenv),
+  linux_cxx("g++-7 03,11,14,17", "g++-7", packages="g++-7", buildtype="boost", image=linuxglobalimage, environment={'TOOLSET': 'gcc', 'COMPILER': 'g++-7', 'CXXSTD': '03,11,14,17', }, globalenv=globalenv),
+  linux_cxx("g++-7 gnu++03,11,14,17", "g++-7", packages="g++-7", buildtype="boost", image=linuxglobalimage, environment={'TOOLSET': 'gcc', 'COMPILER': 'g++-7', 'CXXSTD': '03,11,14,17', 'CXXSTD_DIALECT': 'cxxstd-dialect=gnu', }, globalenv=globalenv),
+  linux_cxx("g++-8 03,11,14,17", "g++-8", packages="g++-8", buildtype="boost", image=linuxglobalimage, environment={'TOOLSET': 'gcc', 'COMPILER': 'g++-8', 'CXXSTD': '03,11,14,17', }, globalenv=globalenv),
+  linux_cxx("g++-8 gnu++03,11,14,17", "g++-8", packages="g++-8", buildtype="boost", image=linuxglobalimage, environment={'TOOLSET': 'gcc', 'COMPILER': 'g++-8', 'CXXSTD': '03,11,14,17', 'CXXSTD_DIALECT': 'cxxstd-dialect=gnu', }, globalenv=globalenv),
+  linux_cxx("g++-9 03,11,14,17", "g++-9", packages="g++-9", buildtype="boost", image="cppalliance/droneubuntu1404:1", environment={'TOOLSET': 'gcc', 'COMPILER': 'g++-9', 'CXXSTD': '03,11,14,17,2a', }, globalenv=globalenv),
+  linux_cxx("g++-9 gnu++03,11,14,17", "g++-9", packages="g++-9", buildtype="boost", image="cppalliance/droneubuntu1404:1", environment={'TOOLSET': 'gcc', 'COMPILER': 'g++-9', 'CXXSTD': '03,11,14,17,2a', 'CXXSTD_DIALECT': 'cxxstd-dialect=gnu', }, globalenv=globalenv),
+  linux_cxx("g++-10 03,11,14,17,20", "g++-10", packages="g++-10", image="cppalliance/droneubuntu2004:1", buildtype="boost", environment={'TOOLSET': 'gcc', 'COMPILER': 'g++-10', 'CXXSTD': '03,11,14,17,20', }, globalenv=globalenv),
+  linux_cxx("g++-10 gnu++03,11,14,17,20", "g++-10", packages="g++-10", image="cppalliance/droneubuntu2004:1", buildtype="boost", environment={'TOOLSET': 'gcc', 'COMPILER': 'g++-10', 'CXXSTD': '03,11,14,17,20', 'CXXSTD_DIALECT': 'cxxstd-dialect=gnu', }, globalenv=globalenv),
+  linux_cxx("clang++-3.5 03", "clang++", packages="clang-3.5", llvm_os="precise", llvm_ver="3.5", buildtype="boost", image="cppalliance/droneubuntu1404:1", environment={'TOOLSET': 'clang', 'COMPILER': 'clang++-3.5', 'CXXSTD': '03,11,14,1z', }, globalenv=globalenv),
+  linux_cxx("clang++-3.6 03", "clang++", packages="clang-3.6", llvm_os="precise", llvm_ver="3.6", buildtype="boost", image="cppalliance/droneubuntu1404:1", environment={'TOOLSET': 'clang', 'COMPILER': 'clang++-3.6', 'CXXSTD': '03,11,14,1z', }, globalenv=globalenv),
+  linux_cxx("clang++-3.7 03", "clang++", packages="clang-3.7", llvm_os="precise", llvm_ver="3.7", buildtype="boost", image="cppalliance/droneubuntu1404:1", environment={'TOOLSET': 'clang', 'COMPILER': 'clang++-3.7', 'CXXSTD': '03,11,14,1z', }, globalenv=globalenv),
+  linux_cxx("clang++-3.8 03", "clang++-3.8", packages="clang-3.8", llvm_os="precise", llvm_ver="3.8", buildtype="boost", image="cppalliance/droneubuntu1404:1", environment={'TOOLSET': 'clang', 'COMPILER': 'clang++-3.8', 'CXXSTD': '03,11,14,1z', }, globalenv=globalenv),
+  linux_cxx("clang++-3.9 03", "clang++-3.9", packages="clang-3.9", llvm_os="precise", llvm_ver="3.9", buildtype="boost", image="cppalliance/droneubuntu1404:1", environment={'TOOLSET': 'clang', 'COMPILER': 'clang++-3.9', 'CXXSTD': '03,11,14,1z', }, globalenv=globalenv),
+  linux_cxx("clang++-4.0 03", "clang++-4.0", packages="clang-4.0", llvm_os="xenial", llvm_ver="4.0", buildtype="boost", image=linuxglobalimage, environment={'TOOLSET': 'clang', 'COMPILER': 'clang++-4.0', 'CXXSTD': '03,11,14,1z', }, globalenv=globalenv),
+  linux_cxx("clang++-5.0 03", "clang++-5.0", packages="clang-5.0", llvm_os="xenial", llvm_ver="5.0", buildtype="boost", image=linuxglobalimage, environment={'TOOLSET': 'clang', 'COMPILER': 'clang++-5.0', 'CXXSTD': '03,11,14,1z', }, globalenv=globalenv),
+  linux_cxx("clang++-6.0 03", "clang++-6.0", packages="clang-6.0", llvm_os="xenial", llvm_ver="6.0", buildtype="boost", image=linuxglobalimage, environment={'TOOLSET': 'clang', 'COMPILER': 'clang++-6.0', 'CXXSTD': '03,11,14,1z', }, globalenv=globalenv),
+  linux_cxx("clang++-6.0 -stdlib=libc++", "clang++-6.0 -stdlib=libc++", packages="clang-6.0 libc++-dev", llvm_os="xenial", llvm_ver="6.0", buildtype="boost", image=linuxglobalimage, environment={'COMPILER': 'clang++-6.0 -stdlib=libc++', 'TOOLSET': 'clang', 'CXXSTD': '03,11,14', }, globalenv=globalenv),
+  linux_cxx("clang++-7 03,11", "clang++-7", packages="clang-7", llvm_os="xenial", llvm_ver="7", buildtype="boost", image=linuxglobalimage, environment={'TOOLSET': 'clang', 'COMPILER': 'clang++-7', 'CXXSTD': '03,11,14,1z', }, globalenv=globalenv),
+  linux_cxx("clang++-8 03,11", "clang++-8", packages="clang-8", llvm_os="xenial", llvm_ver="8", buildtype="boost", image=linuxglobalimage, environment={'TOOLSET': 'clang', 'COMPILER': 'clang++-8', 'CXXSTD': '03,11,14,17,2a', }, globalenv=globalenv),
+  linux_cxx("clang++-9 03,11,14,17,2a", "clang++-9", packages="clang-9", llvm_os="xenial", llvm_ver="9", buildtype="boost", image=linuxglobalimage, environment={'TOOLSET': 'clang', 'COMPILER': 'clang++-9', 'CXXSTD': '03,11,14,17,2a', }, globalenv=globalenv),
+  linux_cxx("clang++-10 03,11,14,17,20", "clang++-10", packages="clang-10", llvm_os="xenial", llvm_ver="10", buildtype="boost", image=linuxglobalimage, environment={'TOOLSET': 'clang', 'COMPILER': 'clang++-10', 'CXXSTD': '03,11,14,17,20', }, globalenv=globalenv),
+  osx_cxx("XCode-11.7 03,11,17,2a", "clang++", packages="", buildtype="boost", xcode_version="11.7", environment={'TOOLSET': 'clang', 'COMPILER': 'clang++', 'CXXSTD': '03,11,14,17,2a', }, globalenv=globalenv),
+  osx_cxx("XCode-10.2 03,11,17,2a", "clang++", packages="", buildtype="boost", xcode_version="10.2", environment={'TOOLSET': 'clang', 'COMPILER': 'clang++', 'CXXSTD': '03,11,14,17,2a', }, globalenv=globalenv),
+  osx_cxx("XCode-9.4 03,11,14,1z", "clang++", packages="", buildtype="boost", xcode_version="9.4", environment={'TOOLSET': 'clang', 'COMPILER': 'clang++', 'CXXSTD': '03,11,14,1z', }, globalenv=globalenv),
+  osx_cxx("XCode-9.0 03,11,14,1z", "clang++", packages="", buildtype="boost", xcode_version="9", environment={'TOOLSET': 'clang', 'COMPILER': 'clang++', 'CXXSTD': '03,11,14,1z', }, globalenv=globalenv),
+  osx_cxx("XCode-8.3 03,11,14,1z", "clang++", packages="", buildtype="boost", xcode_version="8.3", environment={'TOOLSET': 'clang', 'COMPILER': 'clang++', 'CXXSTD': '03,11,14,1z', }, globalenv=globalenv),
+  osx_cxx("XCode-8.0 03,11,14,1z", "clang++", packages="", buildtype="boost", xcode_version="8", environment={'TOOLSET': 'clang', 'COMPILER': 'clang++', 'CXXSTD': '03,11,14,1z', }, globalenv=globalenv),
+  osx_cxx("XCode-7.3 03,11,14,1z", "clang++", packages="", buildtype="boost", xcode_version="7.3", environment={'TOOLSET': 'clang', 'COMPILER': 'clang++', 'CXXSTD': '03,11,14,1z', }, globalenv=globalenv),
+  ]
+
+# from https://github.com/boostorg/boost-ci
+load("@boost_ci//ci/drone/:functions.star", "linux_cxx","windows_cxx","osx_cxx","freebsd_cxx")

.drone/after-success.sh

@@ -0,0 +1,3 @@
+#!/bin/bash
+
+

.drone/before-install.sh

@@ -0,0 +1,3 @@
+#!/bin/bash
+
+

.drone/before-script.sh

@@ -0,0 +1,3 @@
+#!/bin/bash
+
+

.drone/boost.sh

@@ -0,0 +1,46 @@
+#!/bin/bash
+
+set -ex
+export TRAVIS_BUILD_DIR=$(pwd)
+export DRONE_BUILD_DIR=$(pwd)
+export TRAVIS_BRANCH=$DRONE_BRANCH
+export VCS_COMMIT_ID=$DRONE_COMMIT
+export GIT_COMMIT=$DRONE_COMMIT
+export PATH=~/.local/bin:/usr/local/bin:$PATH
+
+echo '==================================> BEFORE_INSTALL'
+
+. .drone/before-install.sh
+
+echo '==================================> INSTALL'
+
+BOOST_BRANCH=develop && [ "$TRAVIS_BRANCH" == "master" ] && BOOST_BRANCH=master || true
+cd ..
+git clone -b $BOOST_BRANCH --depth 1 https://github.com/boostorg/boost.git boost-root
+cd boost-root
+git submodule update --init tools/build
+git submodule update --init tools/boost_install
+git submodule update --init libs/headers
+git submodule update --init libs/detail
+git submodule update --init libs/core
+git submodule update --init libs/assert
+git submodule update --init libs/type_traits
+cp -r $TRAVIS_BUILD_DIR/* libs/config
+./bootstrap.sh
+./b2 headers
+
+echo '==================================> BEFORE_SCRIPT'
+
+. $DRONE_BUILD_DIR/.drone/before-script.sh
+
+echo '==================================> SCRIPT'
+
+if [ $TEST_INTEL ]; then source ~/.bashrc; fi
+echo "using $TOOLSET : : $COMPILER : <cxxflags>$EXTRA_FLAGS <linkflags>$EXTRA_FLAGS ;" > ~/user-config.jam
+./b2 libs/config/test//print_config_info libs/config/test//print_math_info toolset=$TOOLSET cxxstd=$CXXSTD $CXXSTD_DIALECT
+./b2 -j3 libs/config/test toolset=$TOOLSET cxxstd=$CXXSTD $CXXSTD_DIALECT
+
+echo '==================================> AFTER_SUCCESS'
+
+. $DRONE_BUILD_DIR/.drone/after-success.sh
+

.github/workflows/ci.yml

@@ -0,0 +1,208 @@
+# Copyright 2020 Evan Miller
+# Copyright 2020 Matt Borland
+# Copyright 2021 John Maddock
+# 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)
+
+name: CI
+on: [ push, pull_request ]
+jobs:
+  ubuntu-focal:
+    runs-on: ubuntu-20.04
+    strategy:
+      fail-fast: false
+      matrix:
+        compiler: [ g++-9, g++-10, clang++-9, clang++-10 ]
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          fetch-depth: '0'
+      - uses: mstachniuk/ci-skip@v1
+        with:
+          commit-filter: '[skip ci];[ci skip];[CI SKIP];[SKIP CI];***CI SKIP***;***SKIP CI***;[windows];[Windows];[WINDOWS];[apple];[Apple];[APPLE]'
+          commit-filter-separator: ';'
+          fail-fast: true
+      - name: Set TOOLSET
+        run: echo ${{ matrix.compiler }} | awk '/^g/ { print "TOOLSET=gcc" } /^clang/ { print "TOOLSET=clang" }' >> $GITHUB_ENV
+      - name: Add repository
+        run: sudo apt-add-repository -y "ppa:ubuntu-toolchain-r/test"
+      - name: Install packages
+        run: sudo apt install g++-9 g++-10 clang-9 clang-10
+      - name: Checkout main boost
+        run: git clone -b develop --depth 1 https://github.com/boostorg/boost.git ../boost-root
+      - name: Update Dependencies
+        run: git submodule update --init tools/build tools/boost_install libs/headers libs/detail libs/core libs/assert libs/type_traits
+        working-directory: ../boost-root
+      - name: Copy files
+        run: cp -r $GITHUB_WORKSPACE/* libs/config
+        working-directory: ../boost-root
+      - name: Bootstrap
+        run: ./bootstrap.sh
+        working-directory: ../boost-root
+      - name: Generate headers
+        run: ./b2 headers
+        working-directory: ../boost-root
+      - name: Generate user config
+        run: 'echo "using $TOOLSET : : ${{ matrix.compiler }} ;" > ~/user-config.jam'
+        working-directory: ../boost-root
+      - name: Config info
+        run: ../../../b2 print_config_info toolset=$TOOLSET cxxstd=03,11,14,17,2a
+        working-directory: ../boost-root/libs/config/test
+      - name: Test
+        run: ../../../b2 toolset=$TOOLSET cxxstd=03,11,14,17,2a
+        working-directory: ../boost-root/libs/config/test
+  ubuntu-bionic:
+    runs-on: ubuntu-18.04
+    strategy:
+      fail-fast: false
+      matrix:
+        compiler: [ g++-7, g++-8, clang++-7, clang++-8 ]
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          fetch-depth: '0'
+      - uses: mstachniuk/ci-skip@v1
+        with:
+          commit-filter: '[skip ci];[ci skip];[CI SKIP];[SKIP CI];***CI SKIP***;***SKIP CI***;[windows];[Windows];[WINDOWS];[apple];[Apple];[APPLE]'
+          commit-filter-separator: ';'
+          fail-fast: true
+      - name: Set TOOLSET
+        run: echo ${{ matrix.compiler }} | awk '/^g/ { print "TOOLSET=gcc" } /^clang/ { print "TOOLSET=clang" }' >> $GITHUB_ENV
+      - name: Add repository
+        run: sudo apt-add-repository -y "ppa:ubuntu-toolchain-r/test"
+      - name: Install packages
+        run: sudo apt install g++-7 g++-8 clang-7 clang-8
+      - name: Checkout main boost
+        run: git clone -b develop --depth 1 https://github.com/boostorg/boost.git ../boost-root
+      - name: Update Dependencies
+        run: git submodule update --init tools/build tools/boost_install libs/headers libs/detail libs/core libs/assert libs/type_traits
+        working-directory: ../boost-root
+      - name: Copy files
+        run: cp -r $GITHUB_WORKSPACE/* libs/config
+        working-directory: ../boost-root
+      - name: Bootstrap
+        run: ./bootstrap.sh
+        working-directory: ../boost-root
+      - name: Generate headers
+        run: ./b2 headers
+        working-directory: ../boost-root
+      - name: Generate user config
+        run: 'echo "using $TOOLSET : : ${{ matrix.compiler }} ;" > ~/user-config.jam'
+        working-directory: ../boost-root
+      - name: Config info install
+        run: ../../../b2 print_config_info toolset=$TOOLSET cxxstd=03,11,14,17
+        working-directory: ../boost-root/libs/config/test
+      - name: Test
+        run: ../../../b2 toolset=$TOOLSET cxxstd=03,11,14,17
+        working-directory: ../boost-root/libs/config/test
+  macos:
+    runs-on: macos-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        toolset: [ clang ]
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          fetch-depth: '0'
+      - uses: mstachniuk/ci-skip@v1
+        with:
+          commit-filter: '[skip ci];[ci skip];[CI SKIP];[SKIP CI];***CI SKIP***;***SKIP CI***;[windows];[Windows];[WINDOWS];[linux];[Linux];[LINUX]'
+          commit-filter-separator: ';'
+          fail-fast: true
+      - name: Checkout main boost
+        run: git clone -b develop --depth 1 https://github.com/boostorg/boost.git ../boost-root
+      - name: Update Dependencies
+        run: git submodule update --init tools/build tools/boost_install libs/headers libs/detail libs/core libs/assert libs/type_traits
+        working-directory: ../boost-root
+      - name: Copy files
+        run: cp -r $GITHUB_WORKSPACE/* libs/config
+        working-directory: ../boost-root
+      - name: Bootstrap
+        run: ./bootstrap.sh
+        working-directory: ../boost-root
+      - name: Generate headers
+        run: ./b2 headers
+        working-directory: ../boost-root
+      - name: Config info
+        run: ../../../b2 print_config_info toolset=${{ matrix.toolset }} cxxstd=03,11,14,17,2a
+        working-directory: ../boost-root/libs/config/test
+      - name: Test
+        run: ../../../b2 toolset=${{ matrix.toolset }} cxxstd=03,11,14,17,2a
+        working-directory: ../boost-root/libs/config/test
+  windows_msvc_14_0:
+    runs-on: windows-latest
+    defaults:
+      run:
+        shell: cmd
+    strategy:
+      fail-fast: false
+      matrix:
+        toolset: [ msvc-14.0 ]
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          fetch-depth: '0'
+      - uses: mstachniuk/ci-skip@v1
+        with:
+          commit-filter: '[skip ci];[ci skip];[CI SKIP];[SKIP CI];***CI SKIP***;***SKIP CI***;[apple];[Apple];[APPLE];[linux];[Linux];[LINUX]'
+          commit-filter-separator: ';'
+          fail-fast: true
+      - name: Checkout main boost
+        run: git clone -b develop --depth 1 https://github.com/boostorg/boost.git ../boost-root
+      - name: Update Dependencies
+        run: git submodule update --init tools/build tools/boost_install libs/headers libs/detail libs/core libs/assert libs/type_traits
+        working-directory: ../boost-root
+      - name: Copy files
+        run: xcopy /s /e /q %GITHUB_WORKSPACE% libs\config
+        working-directory: ../boost-root
+      - name: Bootstrap
+        run: bootstrap
+        working-directory: ../boost-root
+      - name: Generate headers
+        run: b2 headers
+        working-directory: ../boost-root
+      - name: Config info
+        run: ..\..\..\b2 print_config_info cxxstd=14,17 address-model=64 toolset=msvc-14.0
+        working-directory: ../boost-root/libs/config/test
+      - name: Test
+        run: ..\..\..\b2 --hash address-model=64 cxxstd=14,17 toolset=msvc-14.0
+        working-directory: ../boost-root/libs/config/test
+  windows_msvc_14_2:
+    runs-on: windows-latest
+    defaults:
+      run:
+        shell: cmd
+    strategy:
+      fail-fast: false
+      matrix:
+        toolset: [ msvc-14.2 ]
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          fetch-depth: '0'
+      - uses: mstachniuk/ci-skip@v1
+        with:
+          commit-filter: '[skip ci];[ci skip];[CI SKIP];[SKIP CI];***CI SKIP***;***SKIP CI***;[apple];[Apple];[APPLE];[linux];[Linux];[LINUX]'
+          commit-filter-separator: ';'
+          fail-fast: true
+      - name: Checkout main boost
+        run: git clone -b develop --depth 1 https://github.com/boostorg/boost.git ../boost-root
+      - name: Update Dependencies
+        run: git submodule update --init tools/build tools/boost_install libs/headers libs/detail libs/core libs/assert libs/type_traits
+        working-directory: ../boost-root
+      - name: Copy files
+        run: xcopy /s /e /q %GITHUB_WORKSPACE% libs\config
+        working-directory: ../boost-root
+      - name: Bootstrap
+        run: bootstrap
+        working-directory: ../boost-root
+      - name: Generate headers
+        run: b2 headers
+        working-directory: ../boost-root
+      - name: Config info
+        run: ..\..\..\b2 print_config_info cxxstd=14,17,20 address-model=64 toolset=msvc-14.2
+        working-directory: ../boost-root/libs/config/test
+      - name: Test
+        run: ..\..\..\b2 --hash address-model=64 cxxstd=14,17,20 toolset=msvc-14.2
+        working-directory: ../boost-root/libs/config/test

.travis.yml

@@ -1,337 +0,0 @@
-# Copyright 2016, 2017, 2018 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 : xenial
-
-branches:
-  only:
-    - master
-    - develop
-    - /feature\/.*/
-
-env:
-  matrix:
-    - BOGUS_JOB=true
-
-matrix:
-
-  exclude:
-    - env: BOGUS_JOB=true
-
-  include:
-    - os: linux
-      env: TOOLSET=gcc COMPILER=g++ CXXSTD=03,11
-
-    - os: linux
-      dist: trusty
-      compiler: g++-4.4
-      env: TOOLSET=gcc COMPILER=g++-4.4 CXXSTD=98,0x
-      addons:
-        apt:
-          packages:
-            - g++-4.4
-          sources:
-            - ubuntu-toolchain-r-test
-
-    - os: linux
-      dist: trusty
-      compiler: g++-4.6
-      env: TOOLSET=gcc COMPILER=g++-4.6 CXXSTD=03,0x
-      addons:
-        apt:
-          packages:
-            - g++-4.6
-          sources:
-            - ubuntu-toolchain-r-test
-
-    - os: linux
-      dist: trusty
-      env: TOOLSET=gcc COMPILER=g++-4.7 CXXSTD=03,11
-      addons:
-        apt:
-          packages:
-            - g++-4.7
-          sources:
-            - ubuntu-toolchain-r-test
-
-    - os: linux
-      dist: trusty
-      env: TOOLSET=gcc COMPILER=g++-4.8 CXXSTD=03,11
-      addons:
-        apt:
-          packages:
-            - g++-4.8
-          sources:
-            - ubuntu-toolchain-r-test
-
-    - os: linux
-      dist: trusty
-      env: TOOLSET=gcc COMPILER=g++-4.9 CXXSTD=03,11
-      addons:
-        apt:
-          packages:
-            - g++-4.9
-          sources:
-            - ubuntu-toolchain-r-test
-
-    - os: linux
-      env: TOOLSET=gcc COMPILER=g++-5 CXXSTD=03,11,14,1z
-      addons:
-        apt:
-          packages:
-            - g++-5
-          sources:
-            - ubuntu-toolchain-r-test
-
-    - os: linux
-      env: TOOLSET=gcc COMPILER=g++-5 CXXSTD=03,11,14,1z CXXSTD_DIALECT=cxxstd-dialect=gnu
-      addons:
-        apt:
-          packages:
-            - g++-5
-          sources:
-            - ubuntu-toolchain-r-test
-
-    - os: linux
-      env: TOOLSET=gcc COMPILER=g++-6 CXXSTD=03,11,14,1z
-      addons:
-        apt:
-          packages:
-            - g++-6
-          sources:
-            - ubuntu-toolchain-r-test
-
-    - os: linux
-      env: TOOLSET=gcc COMPILER=g++-6 CXXSTD=03,11,14,1z CXXSTD_DIALECT=cxxstd-dialect=gnu
-      addons:
-        apt:
-          packages:
-            - g++-6
-          sources:
-            - ubuntu-toolchain-r-test
-
-    - os: linux
-      env: TOOLSET=gcc COMPILER=g++-7 CXXSTD=03,11,14,17
-      addons:
-        apt:
-          packages:
-            - g++-7
-          sources:
-            - ubuntu-toolchain-r-test
-
-    - os: linux
-      env: TOOLSET=gcc COMPILER=g++-8 CXXSTD=03,11,14,17
-      addons:
-        apt:
-          packages:
-            - g++-8
-          sources:
-            - ubuntu-toolchain-r-test
-
-    - os: linux
-      dist: trusty
-      compiler: g++-9
-      env: TOOLSET=gcc COMPILER=g++-9 CXXSTD=03,11,14,17,2a
-      addons:
-        apt:
-          packages:
-            - g++-9
-          sources:
-            - ubuntu-toolchain-r-test
-
-    - os: linux
-      env: TOOLSET=clang COMPILER=clang++ CXXSTD=03,11
-
-    - os: linux
-      dist: trusty
-      env: TOOLSET=clang COMPILER=clang++-3.5 CXXSTD=03,11,14,1z
-      addons:
-        apt:
-          packages:
-            - clang-3.5
-          sources:
-            - ubuntu-toolchain-r-test
-            - llvm-toolchain-precise-3.5
-
-    - os: linux
-      dist: trusty
-      env: TOOLSET=clang COMPILER=clang++-3.6 CXXSTD=03,11,14,1z
-      addons:
-        apt:
-          packages:
-            - clang-3.6
-          sources:
-            - ubuntu-toolchain-r-test
-            - llvm-toolchain-precise-3.6
-
-    - os: linux
-      dist: trusty
-      env: TOOLSET=clang COMPILER=clang++-3.7 CXXSTD=03,11,14,1z
-      addons:
-        apt:
-          packages:
-            - clang-3.7
-          sources:
-            - ubuntu-toolchain-r-test
-            - llvm-toolchain-precise-3.7
-
-    - os: linux
-      dist: trusty
-      env: TOOLSET=clang COMPILER=clang++-3.8 CXXSTD=03,11,14,1z
-      addons:
-        apt:
-          packages:
-            - clang-3.8
-          sources:
-            - ubuntu-toolchain-r-test
-            - llvm-toolchain-precise-3.8
-
-    - os: linux
-      dist: trusty
-      env: TOOLSET=clang COMPILER=clang++-3.9 CXXSTD=03,11,14,1z
-      addons:
-        apt:
-          packages:
-            - clang-3.9
-          sources:
-            - ubuntu-toolchain-r-test
-            - llvm-toolchain-precise-3.9
-
-    - os: linux
-      compiler: clang++-4.0
-      env: TOOLSET=clang COMPILER=clang++-4.0 CXXSTD=03,11,14,1z
-      addons:
-        apt:
-          packages:
-            - clang-4.0
-          sources:
-            - ubuntu-toolchain-r-test
-            - llvm-toolchain-xenial-4.0
-
-    - os: linux
-      compiler: clang++-5.0
-      env: TOOLSET=clang COMPILER=clang++-5.0 CXXSTD=03,11,14,1z
-      addons:
-        apt:
-          packages:
-            - clang-5.0
-          sources:
-            - ubuntu-toolchain-r-test
-            - llvm-toolchain-xenial-5.0
-
-    - os: linux
-      compiler: clang++-libc++
-      env: TOOLSET=clang COMPILER="clang++-5.0 -stdlib=libc++" CXXSTD=03,11,14
-      addons:
-        apt:
-          packages:
-            - libc++-dev
-            - clang-5.0
-          sources:
-            - ubuntu-toolchain-r-test
-            - llvm-toolchain-xenial-5.0
-
-    - os: linux
-      compiler: clang++-6.0
-      env: TOOLSET=clang COMPILER=clang++-6.0 CXXSTD=03,11,14,1z
-      addons:
-        apt:
-          packages:
-            - clang-6.0
-          sources:
-            - ubuntu-toolchain-r-test
-            - llvm-toolchain-xenial-6.0
-
-    - os: linux
-      compiler: clang++-libc++
-      env: TOOLSET=clang COMPILER="clang++-6.0 -stdlib=libc++" CXXSTD=03,11,14
-      addons:
-        apt:
-          packages:
-            - clang-6.0
-            - libc++-dev
-          sources:
-            - ubuntu-toolchain-r-test
-            - llvm-toolchain-xenial-6.0
-
-    - os: linux
-      compiler: clang++-7
-      env: TOOLSET=clang COMPILER=clang++-7 CXXSTD=03,11,14,1z
-      addons:
-        apt:
-          packages:
-            - clang-7
-          sources:
-            - ubuntu-toolchain-r-test
-            - llvm-toolchain-xenial-7
-
-    - os: linux
-      compiler: clang++-8
-      env: TOOLSET=clang COMPILER=clang++-8 CXXSTD=03,11,14,17,2a
-      addons:
-        apt:
-          packages:
-            - clang-8
-          sources:
-            - ubuntu-toolchain-r-test
-            - llvm-toolchain-xenial-8
-
-    - os: osx
-      env: TOOLSET=clang COMPILER=clang++ CXXSTD=03,11,14,17,2a
-      osx_image: xcode10.2
-
-    - os: osx
-      env: TOOLSET=clang COMPILER=clang++ CXXSTD=03,11,14,1z
-      osx_image: xcode9.4
-
-    - os: osx
-      env: TOOLSET=clang COMPILER=clang++ CXXSTD=03,11,14,1z
-      osx_image: xcode9
-
-    - os: osx
-      env: TOOLSET=clang COMPILER=clang++ CXXSTD=03,11,14,1z
-      osx_image: xcode8.3
-
-    - os: osx
-      env: TOOLSET=clang COMPILER=clang++ CXXSTD=03,11,14,1z
-      osx_image: xcode8
-
-    - os: osx
-      env: TOOLSET=clang COMPILER=clang++ CXXSTD=03,11,14,1z
-      osx_image: xcode7.3
-
-    - os: osx
-      env: TOOLSET=clang COMPILER=clang++ CXXSTD=03,11,14,1z
-      osx_image: xcode6.4
-
-install:
-  - BOOST_BRANCH=develop && [ "$TRAVIS_BRANCH" == "master" ] && BOOST_BRANCH=master || true
-  - cd ..
-  - git clone -b $BOOST_BRANCH --depth 1 https://github.com/boostorg/boost.git boost-root
-  - cd boost-root
-  - git submodule update --init tools/build
-  - git submodule update --init tools/boost_install
-  - git submodule update --init libs/headers
-  - git submodule update --init libs/detail
-  - git submodule update --init libs/core
-  - git submodule update --init libs/assert
-  - git submodule update --init libs/type_traits
-  - cp -r $TRAVIS_BUILD_DIR/* libs/config
-  - ./bootstrap.sh
-  - ./b2 headers
- 
-script:
-  - if [ $TEST_INTEL ]; then source ~/.bashrc; fi
-  - |-
-    echo "using $TOOLSET : : $COMPILER : <cxxflags>$EXTRA_FLAGS <linkflags>$EXTRA_FLAGS ;" > ~/user-config.jam
-  - ./b2 libs/config/test//print_config_info toolset=$TOOLSET cxxstd=$CXXSTD $CXXSTD_DIALECT
-  - ./b2 -j3 libs/config/test toolset=$TOOLSET cxxstd=$CXXSTD $CXXSTD_DIALECT
-
-notifications:
-  email:
-    on_success: always

README.md

@@ -7,6 +7,7 @@ The full documentation is available on [boost.org](http://www.boost.org/doc/libs
 
 |                  |  Master  |   Develop   |
 |------------------|----------|-------------|
+| Drone            |  [![Build Status](https://drone.cpp.al/api/badges/boostorg/config/status.svg?ref=refs/heads/master)](https://drone.cpp.al/boostorg/config) | [![Build Status](https://drone.cpp.al/api/badges/boostorg/config/status.svg)](https://drone.cpp.al/boostorg/config) |
 | Travis           | [![Build Status](https://travis-ci.org/boostorg/config.svg?branch=master)](https://travis-ci.org/boostorg/config)  |  [![Build Status](https://travis-ci.org/boostorg/config.png)](https://travis-ci.org/boostorg/config) |
 | Appveyor         | [![Build status](https://ci.appveyor.com/api/projects/status/wo2n2mhoy8vegmuo/branch/master?svg=true)](https://ci.appveyor.com/project/jzmaddock/config/branch/master) | [![Build status](https://ci.appveyor.com/api/projects/status/wo2n2mhoy8vegmuo/branch/develop?svg=true)](https://ci.appveyor.com/project/jzmaddock/config/branch/develop) |
 

checks/Jamfile.v2

@@ -1,6 +1,6 @@
 #
 # *** DO NOT EDIT THIS FILE BY HAND ***
-# This file was automatically generated on Mon Dec 09 09:47:38 2019
+# This file was automatically generated on Wed Mar  3 12:23:03 2021
 #  by libs/config/tools/generate.cpp
 # Copyright John Maddock.
 # Use, modification and distribution are subject to the 
@@ -64,6 +64,8 @@ obj cv_specializations : test_case.cpp : <define>TEST_BOOST_NO_CV_SPECIALIZATION
 obj cv_void_specializations : test_case.cpp : <define>TEST_BOOST_NO_CV_VOID_SPECIALIZATIONS ;
 obj cwchar : test_case.cpp : <define>TEST_BOOST_NO_CWCHAR ;
 obj cwctype : test_case.cpp : <define>TEST_BOOST_NO_CWCTYPE ;
+obj cxx03 : test_case.cpp : <define>TEST_BOOST_NO_CXX03 ;
+obj cxx11 : test_case.cpp : <define>TEST_BOOST_NO_CXX11 ;
 obj cxx11_addressof : test_case.cpp : <define>TEST_BOOST_NO_CXX11_ADDRESSOF ;
 obj cxx11_alignas : test_case.cpp : <define>TEST_BOOST_NO_CXX11_ALIGNAS ;
 obj cxx11_allocator : test_case.cpp : <define>TEST_BOOST_NO_CXX11_ALLOCATOR ;
@@ -101,7 +103,9 @@ obj cxx11_smart_ptr : test_case.cpp : <define>TEST_BOOST_NO_CXX11_SMART_PTR ;
 obj cxx11_std_align : test_case.cpp : <define>TEST_BOOST_NO_CXX11_STD_ALIGN ;
 obj cxx11_thread_local : test_case.cpp : <define>TEST_BOOST_NO_CXX11_THREAD_LOCAL ;
 obj cxx11_trailing_result_types : test_case.cpp : <define>TEST_BOOST_NO_CXX11_TRAILING_RESULT_TYPES ;
+obj cxx11_unrestricted_union : test_case.cpp : <define>TEST_BOOST_NO_CXX11_UNRESTRICTED_UNION ;
 obj cxx11_user_defined_literals : test_case.cpp : <define>TEST_BOOST_NO_CXX11_USER_DEFINED_LITERALS ;
+obj cxx14 : test_case.cpp : <define>TEST_BOOST_NO_CXX14 ;
 obj cxx14_binary_literals : test_case.cpp : <define>TEST_BOOST_NO_CXX14_BINARY_LITERALS ;
 obj cxx14_constexpr : test_case.cpp : <define>TEST_BOOST_NO_CXX14_CONSTEXPR ;
 obj cxx14_decltype_auto : test_case.cpp : <define>TEST_BOOST_NO_CXX14_DECLTYPE_AUTO ;
@@ -113,7 +117,13 @@ obj cxx14_aggregate_nsdmi : test_case.cpp : <define>TEST_BOOST_NO_CXX14_AGGREGAT
 obj cxx14_return_type_deduction : test_case.cpp : <define>TEST_BOOST_NO_CXX14_RETURN_TYPE_DEDUCTION ;
 obj cxx14_std_exchange : test_case.cpp : <define>TEST_BOOST_NO_CXX14_STD_EXCHANGE ;
 obj cxx14_variable_templates : test_case.cpp : <define>TEST_BOOST_NO_CXX14_VARIABLE_TEMPLATES ;
+obj cxx17 : test_case.cpp : <define>TEST_BOOST_NO_CXX17 ;
 obj cxx17_fold_expressions : test_case.cpp : <define>TEST_BOOST_NO_CXX17_FOLD_EXPRESSIONS ;
+obj cxx17_hdr_any : test_case.cpp : <define>TEST_BOOST_NO_CXX17_HDR_ANY ;
+obj cxx17_hdr_charconv : test_case.cpp : <define>TEST_BOOST_NO_CXX17_HDR_CHARCONV ;
+obj cxx17_hdr_execution : test_case.cpp : <define>TEST_BOOST_NO_CXX17_HDR_EXECUTION ;
+obj cxx17_hdr_filesystem : test_case.cpp : <define>TEST_BOOST_NO_CXX17_HDR_FILESYSTEM ;
+obj cxx17_hdr_memory_resource : test_case.cpp : <define>TEST_BOOST_NO_CXX17_HDR_MEMORY_RESOURCE ;
 obj cxx17_hdr_optional : test_case.cpp : <define>TEST_BOOST_NO_CXX17_HDR_OPTIONAL ;
 obj cxx17_hdr_string_view : test_case.cpp : <define>TEST_BOOST_NO_CXX17_HDR_STRING_VIEW ;
 obj cxx17_hdr_variant : test_case.cpp : <define>TEST_BOOST_NO_CXX17_HDR_VARIANT ;
@@ -202,7 +212,6 @@ obj typeid : test_case.cpp : <define>TEST_BOOST_NO_TYPEID ;
 obj typename_with_ctor : test_case.cpp : <define>TEST_BOOST_NO_TYPENAME_WITH_CTOR ;
 obj cxx11_unicode_literals : test_case.cpp : <define>TEST_BOOST_NO_CXX11_UNICODE_LITERALS ;
 obj cxx11_unified_initialization_syntax : test_case.cpp : <define>TEST_BOOST_NO_CXX11_UNIFIED_INITIALIZATION_SYNTAX ;
-obj cxx11_unrestricted_union : test_case.cpp : <define>TEST_BOOST_NO_CXX11_UNRESTRICTED_UNION ;
 obj boost_function_scope_using_declaration_breaks_adl : test_case.cpp : <define>TEST_BOOST_FUNCTION_SCOPE_USING_DECLARATION_BREAKS_ADL ;
 obj using_declaration_overloads_from_typename_base : test_case.cpp : <define>TEST_BOOST_NO_USING_DECLARATION_OVERLOADS_FROM_TYPENAME_BASE ;
 obj using_template : test_case.cpp : <define>TEST_BOOST_NO_USING_TEMPLATE ;

checks/architecture/Jamfile.jam

@@ -6,11 +6,12 @@
 # accompanying file LICENSE_1_0.txt or copy at
 # http://www.boost.org/LICENSE_1_0.txt)
 
-project /boost/architecture 
-        : requirements 
+project /boost/architecture
+        : requirements
           -<conditional>@boostcpp.deduce-address-model
-          -<conditional>@boostcpp.deduce-architecture 
-        ; 
+          -<conditional>@boostcpp.deduce-architecture
+          -<implicit-dependency>/boost//headers
+        ;
 
 obj 32 : 32.cpp ;
 obj 64 : 64.cpp ;

checks/config.jam

@@ -12,9 +12,7 @@ rule requires ( names + )
    local result ;
    for name in $(names)
    {
-      local msg = "Boost.Config Feature Check: " ;
-      msg += $(name) ;
-      result += [ check-target-builds $(config-binding:D)//$(name) $(msg:J=) : : <build>no ] ;
+      result += [ check-target-builds $(config-binding:D)//$(name) $(name) : : <build>no ] ;
    }
    return $(result) ;
 }

checks/std/cpp_aggregate_bases_17.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Mon Dec 09 09:47:37 2019
+//  This file was automatically generated on Wed Mar  3 12:23:02 2021
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-4.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_aggregate_nsdmi_14.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Mon Dec 09 09:47:38 2019
+//  This file was automatically generated on Wed Mar  3 12:23:03 2021
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-4.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_alias_templates_11.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Mon Dec 09 09:47:38 2019
+//  This file was automatically generated on Wed Mar  3 12:23:03 2021
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-4.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_aligned_new_17.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Mon Dec 09 09:47:37 2019
+//  This file was automatically generated on Wed Mar  3 12:23:02 2021
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-4.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_attributes_11.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Mon Dec 09 09:47:38 2019
+//  This file was automatically generated on Wed Mar  3 12:23:03 2021
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-4.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_binary_literals_14.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Mon Dec 09 09:47:38 2019
+//  This file was automatically generated on Wed Mar  3 12:23:03 2021
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-4.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_capture_star_this_17.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Mon Dec 09 09:47:37 2019
+//  This file was automatically generated on Wed Mar  3 12:23:02 2021
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-4.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_char8_t_20.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Mon Dec 09 09:47:37 2019
+//  This file was automatically generated on Wed Mar  3 12:23:02 2021
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-4.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_conditional_explicit_20.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Mon Dec 09 09:47:37 2019
+//  This file was automatically generated on Wed Mar  3 12:23:02 2021
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-4.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_constexpr_11.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Mon Dec 09 09:47:38 2019
+//  This file was automatically generated on Wed Mar  3 12:23:03 2021
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-4.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_constexpr_14.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Mon Dec 09 09:47:38 2019
+//  This file was automatically generated on Wed Mar  3 12:23:03 2021
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-4.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_constexpr_17.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Mon Dec 09 09:47:37 2019
+//  This file was automatically generated on Wed Mar  3 12:23:02 2021
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-4.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_decltype_11.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Mon Dec 09 09:47:38 2019
+//  This file was automatically generated on Wed Mar  3 12:23:03 2021
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-4.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_decltype_auto_14.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Mon Dec 09 09:47:38 2019
+//  This file was automatically generated on Wed Mar  3 12:23:03 2021
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-4.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_deduction_guides_17.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Mon Dec 09 09:47:37 2019
+//  This file was automatically generated on Wed Mar  3 12:23:02 2021
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-4.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_delegating_constructors_11.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Mon Dec 09 09:47:38 2019
+//  This file was automatically generated on Wed Mar  3 12:23:03 2021
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-4.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_enumerator_attributes_17.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Mon Dec 09 09:47:37 2019
+//  This file was automatically generated on Wed Mar  3 12:23:02 2021
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-4.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_exceptions_03.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Mon Dec 09 09:47:38 2019
+//  This file was automatically generated on Wed Mar  3 12:23:03 2021
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-4.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_explicit_conversion_11.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Mon Dec 09 09:47:38 2019
+//  This file was automatically generated on Wed Mar  3 12:23:03 2021
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-4.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_fold_expressions_17.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Mon Dec 09 09:47:37 2019
+//  This file was automatically generated on Wed Mar  3 12:23:02 2021
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-4.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_generic_lambdas_14.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Mon Dec 09 09:47:38 2019
+//  This file was automatically generated on Wed Mar  3 12:23:03 2021
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-4.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_guaranteed_copy_elision_17.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Mon Dec 09 09:47:37 2019
+//  This file was automatically generated on Wed Mar  3 12:23:02 2021
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-4.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_hex_float_17.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Mon Dec 09 09:47:37 2019
+//  This file was automatically generated on Wed Mar  3 12:23:02 2021
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-4.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_if_constexpr_17.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Mon Dec 09 09:47:37 2019
+//  This file was automatically generated on Wed Mar  3 12:23:02 2021
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-4.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_impl_destroying_delete_20.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Mon Dec 09 09:47:37 2019
+//  This file was automatically generated on Wed Mar  3 12:23:02 2021
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-4.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_impl_three_way_comparison_20.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Mon Dec 09 09:47:37 2019
+//  This file was automatically generated on Wed Mar  3 12:23:02 2021
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-4.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_inheriting_constructors_11.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Mon Dec 09 09:47:38 2019
+//  This file was automatically generated on Wed Mar  3 12:23:03 2021
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-4.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_inheriting_constructors_17.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Mon Dec 09 09:47:37 2019
+//  This file was automatically generated on Wed Mar  3 12:23:02 2021
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-4.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_init_captures_14.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Mon Dec 09 09:47:38 2019
+//  This file was automatically generated on Wed Mar  3 12:23:03 2021
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-4.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_initializer_lists_11.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Mon Dec 09 09:47:38 2019
+//  This file was automatically generated on Wed Mar  3 12:23:03 2021
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-4.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_inline_variables_17.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Mon Dec 09 09:47:37 2019
+//  This file was automatically generated on Wed Mar  3 12:23:02 2021
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-4.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lambdas_11.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Mon Dec 09 09:47:38 2019
+//  This file was automatically generated on Wed Mar  3 12:23:03 2021
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-4.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_addressof_constexpr_17.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Mon Dec 09 09:47:38 2019
+//  This file was automatically generated on Wed Mar  3 12:23:02 2021
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-4.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_allocator_traits_is_always_equal_17.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Mon Dec 09 09:47:38 2019
+//  This file was automatically generated on Wed Mar  3 12:23:02 2021
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-4.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_any_17.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Mon Dec 09 09:47:37 2019
+//  This file was automatically generated on Wed Mar  3 12:23:02 2021
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-4.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_apply_17.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Mon Dec 09 09:47:37 2019
+//  This file was automatically generated on Wed Mar  3 12:23:02 2021
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-4.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_array_constexpr_17.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Mon Dec 09 09:47:38 2019
+//  This file was automatically generated on Wed Mar  3 12:23:02 2021
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-4.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_as_const_17.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Mon Dec 09 09:47:37 2019
+//  This file was automatically generated on Wed Mar  3 12:23:02 2021
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-4.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_atomic_is_always_lock_free_17.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Mon Dec 09 09:47:38 2019
+//  This file was automatically generated on Wed Mar  3 12:23:02 2021
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-4.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_atomic_ref_20.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Mon Dec 09 09:47:37 2019
+//  This file was automatically generated on Wed Mar  3 12:23:02 2021
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-4.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_bind_front_20.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Mon Dec 09 09:47:37 2019
+//  This file was automatically generated on Wed Mar  3 12:23:02 2021
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-4.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_bit_cast_20.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Mon Dec 09 09:47:37 2019
+//  This file was automatically generated on Wed Mar  3 12:23:02 2021
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-4.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_bool_constant_17.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Mon Dec 09 09:47:38 2019
+//  This file was automatically generated on Wed Mar  3 12:23:02 2021
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-4.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_boyer_moore_searcher_17.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Mon Dec 09 09:47:38 2019
+//  This file was automatically generated on Wed Mar  3 12:23:02 2021
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-4.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_byte_17.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Mon Dec 09 09:47:37 2019
+//  This file was automatically generated on Wed Mar  3 12:23:02 2021
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-4.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_char8_t_20.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Mon Dec 09 09:47:37 2019
+//  This file was automatically generated on Wed Mar  3 12:23:02 2021
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-4.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_chrono_17.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Mon Dec 09 09:47:38 2019
+//  This file was automatically generated on Wed Mar  3 12:23:02 2021
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-4.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_chrono_udls_14.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Mon Dec 09 09:47:38 2019
+//  This file was automatically generated on Wed Mar  3 12:23:03 2021
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-4.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_clamp_17.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Mon Dec 09 09:47:38 2019
+//  This file was automatically generated on Wed Mar  3 12:23:02 2021
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-4.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_complex_udls_14.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Mon Dec 09 09:47:38 2019
+//  This file was automatically generated on Wed Mar  3 12:23:03 2021
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-4.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_concepts_20.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Mon Dec 09 09:47:37 2019
+//  This file was automatically generated on Wed Mar  3 12:23:02 2021
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-4.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_constexpr_misc_20.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Mon Dec 09 09:47:37 2019
+//  This file was automatically generated on Wed Mar  3 12:23:02 2021
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-4.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_constexpr_swap_algorithms_20.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Mon Dec 09 09:47:37 2019
+//  This file was automatically generated on Wed Mar  3 12:23:02 2021
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-4.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_destroying_delete_20.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Mon Dec 09 09:47:37 2019
+//  This file was automatically generated on Wed Mar  3 12:23:02 2021
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-4.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_enable_shared_from_this_17.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Mon Dec 09 09:47:38 2019
+//  This file was automatically generated on Wed Mar  3 12:23:02 2021
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-4.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_erase_if_20.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Mon Dec 09 09:47:37 2019
+//  This file was automatically generated on Wed Mar  3 12:23:02 2021
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-4.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_exchange_function_14.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Mon Dec 09 09:47:38 2019
+//  This file was automatically generated on Wed Mar  3 12:23:03 2021
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-4.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_execution_17.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Mon Dec 09 09:47:38 2019
+//  This file was automatically generated on Wed Mar  3 12:23:02 2021
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-4.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_filesystem_17.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Mon Dec 09 09:47:38 2019
+//  This file was automatically generated on Wed Mar  3 12:23:02 2021
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-4.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_gcd_lcm_17.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Mon Dec 09 09:47:38 2019
+//  This file was automatically generated on Wed Mar  3 12:23:02 2021
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-4.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_generic_associative_lookup_14.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Mon Dec 09 09:47:38 2019
+//  This file was automatically generated on Wed Mar  3 12:23:03 2021
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-4.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_generic_unordered_lookup_20.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Mon Dec 09 09:47:37 2019
+//  This file was automatically generated on Wed Mar  3 12:23:02 2021
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-4.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_hardware_interference_size_17.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Mon Dec 09 09:47:37 2019
+//  This file was automatically generated on Wed Mar  3 12:23:02 2021
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-4.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_has_unique_object_representations_17.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Mon Dec 09 09:47:38 2019
+//  This file was automatically generated on Wed Mar  3 12:23:02 2021
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-4.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_hypot_17.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Mon Dec 09 09:47:38 2019
+//  This file was automatically generated on Wed Mar  3 12:23:02 2021
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-4.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_incomplete_container_elements_17.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Mon Dec 09 09:47:38 2019
+//  This file was automatically generated on Wed Mar  3 12:23:02 2021
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-4.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_integer_sequence_14.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Mon Dec 09 09:47:38 2019
+//  This file was automatically generated on Wed Mar  3 12:23:03 2021
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-4.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_integral_constant_callable_14.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Mon Dec 09 09:47:38 2019
+//  This file was automatically generated on Wed Mar  3 12:23:03 2021
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-4.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_invoke_17.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Mon Dec 09 09:47:38 2019
+//  This file was automatically generated on Wed Mar  3 12:23:02 2021
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-4.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_is_aggregate_17.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Mon Dec 09 09:47:38 2019
+//  This file was automatically generated on Wed Mar  3 12:23:02 2021
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-4.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_is_constant_evaluated_20.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Mon Dec 09 09:47:37 2019
+//  This file was automatically generated on Wed Mar  3 12:23:02 2021
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-4.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_is_final_14.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Mon Dec 09 09:47:38 2019
+//  This file was automatically generated on Wed Mar  3 12:23:03 2021
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-4.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_is_invocable_17.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Mon Dec 09 09:47:38 2019
+//  This file was automatically generated on Wed Mar  3 12:23:02 2021
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-4.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_is_null_pointer_14.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Mon Dec 09 09:47:38 2019
+//  This file was automatically generated on Wed Mar  3 12:23:03 2021
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-4.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_is_swappable_17.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Mon Dec 09 09:47:38 2019
+//  This file was automatically generated on Wed Mar  3 12:23:02 2021
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-4.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_launder_17.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Mon Dec 09 09:47:37 2019
+//  This file was automatically generated on Wed Mar  3 12:23:02 2021
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-4.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_list_remove_return_type_20.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Mon Dec 09 09:47:37 2019
+//  This file was automatically generated on Wed Mar  3 12:23:02 2021
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-4.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_logical_traits_17.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Mon Dec 09 09:47:38 2019
+//  This file was automatically generated on Wed Mar  3 12:23:02 2021
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-4.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_make_from_tuple_17.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Mon Dec 09 09:47:37 2019
+//  This file was automatically generated on Wed Mar  3 12:23:02 2021
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-4.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_make_reverse_iterator_14.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Mon Dec 09 09:47:38 2019
+//  This file was automatically generated on Wed Mar  3 12:23:03 2021
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-4.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_make_unique_14.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Mon Dec 09 09:47:38 2019
+//  This file was automatically generated on Wed Mar  3 12:23:03 2021
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-4.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_map_try_emplace_17.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Mon Dec 09 09:47:38 2019
+//  This file was automatically generated on Wed Mar  3 12:23:02 2021
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-4.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_math_special_functions_17.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Mon Dec 09 09:47:38 2019
+//  This file was automatically generated on Wed Mar  3 12:23:02 2021
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-4.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_memory_resource_17.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Mon Dec 09 09:47:38 2019
+//  This file was automatically generated on Wed Mar  3 12:23:02 2021
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-4.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_node_extract_17.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Mon Dec 09 09:47:38 2019
+//  This file was automatically generated on Wed Mar  3 12:23:02 2021
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-4.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_nonmember_container_access_17.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Mon Dec 09 09:47:38 2019
+//  This file was automatically generated on Wed Mar  3 12:23:02 2021
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-4.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_not_fn_17.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Mon Dec 09 09:47:38 2019
+//  This file was automatically generated on Wed Mar  3 12:23:02 2021
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-4.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_null_iterators_14.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Mon Dec 09 09:47:38 2019
+//  This file was automatically generated on Wed Mar  3 12:23:03 2021
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-4.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_optional_17.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Mon Dec 09 09:47:37 2019
+//  This file was automatically generated on Wed Mar  3 12:23:02 2021
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-4.
 //  Use, modification and distribution are subject to the