Merge pull request #278 from mborland/remove_ppa

Remove ppa ubuntu-toolchain-r

.github/workflows/ci.yml

@@ -15,30 +15,27 @@ on:
   release:
     types: [published, created, edited]
 
+concurrency:
+  group: ${{format('{0}:{1}', github.repository, github.ref)}}
+  cancel-in-progress: true
+
 env:
   UBSAN_OPTIONS: print_stacktrace=1
 
 jobs:
   ubuntu-jammy:
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-24.04
     strategy:
       fail-fast: false
       matrix:
         compiler: [ g++-11, g++-12, g++-13 ]
         standard: [ c++11, c++14, c++17, c++2a ]
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v6
         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++-11 g++-12 g++-13
       - name: Checkout main boost
@@ -75,18 +72,11 @@ jobs:
         compiler: [ g++ ]
         standard: [ c++11, c++14, c++17, c++2a ]
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v6
         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 libicu-dev
       - name: Test
@@ -100,18 +90,11 @@ jobs:
         compiler: [ clang++-15 ]
         standard: [ c++11, c++14, c++17 ]
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v6
         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" }' >> $GITHUB_ENV
-      - name: Add repository
-        run: sudo apt-add-repository -y "ppa:ubuntu-toolchain-r/test"
       - name: Install packages
         run: sudo apt install clang-15
       - name: Checkout main boost
@@ -141,16 +124,11 @@ jobs:
         run: ../../../b2 toolset=$TOOLSET define=CI_SUPPRESS_KNOWN_ISSUES define=SLOW_COMPILER
         working-directory: ../boost-root/libs/regex/test
   ubuntu-jammy-clang-18-modules:
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v6
         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: Grab install script
         run: wget https://apt.llvm.org/llvm.sh && chmod u+x llvm.sh
       - name: Install clang 18 packages
@@ -183,18 +161,11 @@ jobs:
         compiler: [ clang++-16, clang++-17, clang++-18 ]
         standard: [ c++11, c++14, c++17, c++20 ]
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v6
         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" }' >> $GITHUB_ENV
-      - name: Add repository
-        run: sudo apt-add-repository -y "ppa:ubuntu-toolchain-r/test"
       - name: Install packages
         run: sudo apt install clang-16 clang-17 clang-18
       - name: Checkout main boost
@@ -231,14 +202,9 @@ jobs:
         toolset: [ clang ]
         standard: [ 11, 14, 17, 2a ]
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v6
         with:
           fetch-depth: '0'
-      - uses: mstachniuk/ci-skip@v1
-        with:
-          commit-filter: '[skip ci];[ci skip];[CI SKIP];[SKIP CI];***CI SKIP***;***SKIP CI***;[windows];[Windows];[WINDOWS];[linux];[Linux];[LINUX]'
-          commit-filter-separator: ';'
-          fail-fast: true
       - name: Checkout main boost
         run: git clone -b develop --depth 1 https://github.com/boostorg/boost.git ../boost-root
       - name: Update tools/boostdep
@@ -266,7 +232,7 @@ jobs:
         run: ../../../b2 toolset=${{ matrix.toolset }} cxxstd=${{ matrix.standard }}
         working-directory: ../boost-root/libs/regex/test
   windows_gcc:
-    runs-on: windows-2019
+    runs-on: windows-latest
     defaults:
       run:
         shell: cmd
@@ -278,108 +244,9 @@ jobs:
         toolset: [ gcc ]
         standard: [ 11, 14, 17, 2a ]
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v6
         with:
           fetch-depth: '0'
-      - uses: mstachniuk/ci-skip@v1
-        with:
-          commit-filter: '[skip ci];[ci skip];[CI SKIP];[SKIP CI];***CI SKIP***;***SKIP CI***;[apple];[Apple];[APPLE];[linux];[Linux];[LINUX]'
-          commit-filter-separator: ';'
-          fail-fast: true
-      - name: Checkout main boost
-        run: git clone -b develop --depth 1 https://github.com/boostorg/boost.git ../boost-root
-      - name: Update tools/boostdep
-        run: git submodule update --init tools/boostdep
-        working-directory: ../boost-root
-      - name: Copy files
-        run: xcopy /s /e /q %GITHUB_WORKSPACE% libs\regex
-        working-directory: ../boost-root
-      - name: Install deps
-        run: python tools/boostdep/depinst/depinst.py -I example -g "--jobs 3" regex
-        working-directory: ../boost-root
-      - name: Bootstrap
-        run: bootstrap
-        working-directory: ../boost-root
-      - name: Generate headers
-        run: b2 headers
-        working-directory: ../boost-root
-      - name: Config info install
-        run: ..\..\..\b2 config_info_travis_install %ARGS%
-        working-directory: ../boost-root/libs/config/test
-      - name: Config info
-        run: config_info_travis
-        working-directory: ../boost-root/libs/config/test
-      - name: Test
-        run: ..\..\..\b2 --hash %ARGS%
-        working-directory: ../boost-root/libs/regex/test
-  windows_msvc_14_0:
-    runs-on: windows-2019
-    defaults:
-      run:
-        shell: cmd
-    env:
-      ARGS: toolset=${{ matrix.toolset }} address-model=64 cxxstd=${{ matrix.standard }}
-    strategy:
-      fail-fast: false
-      matrix:
-        toolset: [ msvc-14.0 ]
-        standard: [ 14, 17 ]
-    steps:
-      - uses: actions/checkout@v2
-        with:
-          fetch-depth: '0'
-      - uses: mstachniuk/ci-skip@v1
-        with:
-          commit-filter: '[skip ci];[ci skip];[CI SKIP];[SKIP CI];***CI SKIP***;***SKIP CI***;[apple];[Apple];[APPLE];[linux];[Linux];[LINUX]'
-          commit-filter-separator: ';'
-          fail-fast: true
-      - name: Checkout main boost
-        run: git clone -b develop --depth 1 https://github.com/boostorg/boost.git ../boost-root
-      - name: Update tools/boostdep
-        run: git submodule update --init tools/boostdep
-        working-directory: ../boost-root
-      - name: Copy files
-        run: xcopy /s /e /q %GITHUB_WORKSPACE% libs\regex
-        working-directory: ../boost-root
-      - name: Install deps
-        run: python tools/boostdep/depinst/depinst.py -I example -g "--jobs 3" regex
-        working-directory: ../boost-root
-      - name: Bootstrap
-        run: bootstrap
-        working-directory: ../boost-root
-      - name: Generate headers
-        run: b2 headers
-        working-directory: ../boost-root
-      - name: Config info install
-        run: ..\..\..\b2 config_info_travis_install %ARGS%
-        working-directory: ../boost-root/libs/config/test
-      - name: Config info
-        run: config_info_travis
-        working-directory: ../boost-root/libs/config/test
-      - name: Test
-        run: ..\..\..\b2 --hash %ARGS%
-        working-directory: ../boost-root/libs/regex/test
-  windows_msvc_14_2:
-    runs-on: windows-2019
-    defaults:
-      run:
-        shell: cmd
-    env:
-      ARGS: toolset=${{ matrix.toolset }} address-model=64 cxxstd=${{ matrix.standard }}
-    strategy:
-      fail-fast: false
-      matrix:
-        toolset: [ msvc-14.2 ]
-        standard: [ 14, 17, latest ]
-    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 tools/boostdep
@@ -407,7 +274,7 @@ jobs:
         run: ..\..\..\b2 --hash %ARGS%
         working-directory: ../boost-root/libs/regex/test
   windows_msvc_14_3:
-    runs-on: windows-2022
+    runs-on: windows-2025
     defaults:
       run:
         shell: cmd
@@ -419,14 +286,9 @@ jobs:
         toolset: [ msvc-14.3 ]
         standard: [ 14, 17, 20, latest ]
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v6
         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
       - uses: TheMrMilchmann/setup-msvc-dev@v3
         with:
           arch: x64
@@ -460,11 +322,11 @@ jobs:
         run: msvc_test.bat
         working-directory: ../boost-root/libs/regex/test/module
   ubuntu-cmake-install:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
     strategy:
       fail-fast: false
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v6
         with:
           fetch-depth: '0'
       - name: Checkout main boost
@@ -492,11 +354,11 @@ jobs:
          cmake --build .
          cmake --build . --target check
   ubuntu-cmake-check:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
     strategy:
       fail-fast: false
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v6
         with:
           fetch-depth: '0'
       - name: Install packages
@@ -536,3 +398,109 @@ jobs:
           cmake -DBOOST_REGEX_STANDALONE=on ..
           cmake --build .
           cmake --build . --target check
+
+  posix-cmake-use:
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - os: ubuntu-latest
+          - os: macos-latest
+
+    runs-on: ${{matrix.os}}
+
+    steps:
+      - uses: actions/checkout@v6
+
+      - name: Install packages
+        if: matrix.install
+        run: sudo apt-get -y install ${{matrix.install}}
+
+      - name: Setup Boost
+        run: |
+          echo GITHUB_REPOSITORY: $GITHUB_REPOSITORY
+          LIBRARY=${GITHUB_REPOSITORY#*/}
+          echo LIBRARY: $LIBRARY
+          echo "LIBRARY=$LIBRARY" >> $GITHUB_ENV
+          echo GITHUB_BASE_REF: $GITHUB_BASE_REF
+          echo GITHUB_REF: $GITHUB_REF
+          REF=${GITHUB_BASE_REF:-$GITHUB_REF}
+          REF=${REF#refs/heads/}
+          echo REF: $REF
+          BOOST_BRANCH=develop && [ "$REF" == "master" ] && BOOST_BRANCH=master || true
+          echo BOOST_BRANCH: $BOOST_BRANCH
+          cd ..
+          git clone -b $BOOST_BRANCH --depth 1 https://github.com/boostorg/boost.git boost-root
+          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" $LIBRARY
+          ./bootstrap.sh
+          ./b2 -d0 headers
+
+      - name: Install Boost --with-library
+        run: |
+          cd ../boost-root
+          ./b2 -j3 --with-$LIBRARY --prefix=$HOME/.local install
+
+      - name: Use the installed library
+        run: |
+          cd ../boost-root/libs/$LIBRARY/test/cmake_install_test && mkdir __build__ && cd __build__
+          cmake -DCMAKE_INSTALL_PREFIX=~/.local ..
+          cmake --build .
+          ctest --output-on-failure --no-tests=error
+
+  windows-cmake-use:
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - os: windows-latest
+
+    runs-on: ${{matrix.os}}
+
+    steps:
+      - uses: actions/checkout@v6
+
+      - 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%
+          cmd /c bootstrap
+          b2 -d0 headers
+
+      - name: Install Boost --with-library
+        shell: cmd
+        run: |
+          cd ../boost-root
+          b2 -j3 --with-%LIBRARY% install
+
+      - name: Use the installed library (Debug)
+        shell: cmd
+        run: |
+          cd ../boost-root/libs/%LIBRARY%/test/cmake_install_test && mkdir __build__ && cd __build__
+          cmake -DBoost_ROOT=C:/Boost ..
+          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

.github/workflows/code-coverage.yml

@@ -0,0 +1,133 @@
+#
+# Copyright (c) 2026 Sam Darwin
+# Copyright (c) 2026 Alexander Grund
+#
+# Distributed under the Boost Software License, Version 1.0. (See accompanying
+# file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+#
+
+# Instructions
+#
+# After running this workflow successfully, go to https://github.com/ORGANIZATION/REPO/settings/pages
+# and enable github pages on the code-coverage branch.
+# The pages will be hosted at https://ORGANIZATION.github.io/REPO
+#
+
+name: Code Coverage
+
+permissions:
+  contents:
+    write
+
+on:
+  push:
+    branches:
+      - master
+      - develop
+    paths:
+      - 'src/**'
+      - 'include/**'
+      - 'build/**'
+      - '.github/workflows/code-coverage.yml'
+  workflow_dispatch:
+
+concurrency:
+  group: code-coverage-pages
+  cancel-in-progress: false
+
+env:
+  GIT_FETCH_JOBS: 8
+  NET_RETRY_COUNT: 5
+  # Commit title of the automatically created commits
+  GCOVR_COMMIT_MSG: "Update coverage data"
+  # Should branch coverage be reported? Default to no.
+  BOOST_BRANCH_COVERAGE: 0
+  # Dependencies:
+  # EXTRA_BOOST_LIBRARIES: "myorg/myrepo other/repo3"
+
+jobs:
+  build:
+    defaults:
+      run:
+        shell: bash
+
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - runs-on: "ubuntu-24.04"
+            name: Coverage
+            cxxstd: "20"
+            gcovr_script: './ci-automation/scripts/lcov-jenkins-gcc-13.sh --only-gcovr'
+
+    name: ${{ matrix.name }}
+    runs-on: ${{ matrix.runs-on }}
+    timeout-minutes: 120
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v6
+
+      - name: Check for code-coverage Branch
+        run: |
+            set -xe
+            git config --global user.name cppalliance-bot
+            git config --global user.email cppalliance-bot@example.com
+            git fetch origin
+            if git branch -r | grep origin/code-coverage; then
+                echo "The code-coverage branch exists. Continuing."
+            else
+                echo "The code-coverage branch does not exist. Creating it."
+                git switch --orphan code-coverage
+                git commit --allow-empty -m "$GCOVR_COMMIT_MSG"
+                git push origin code-coverage
+                git checkout "$GITHUB_REF_NAME"
+            fi
+
+      - name: Install Python
+        uses: actions/setup-python@v6
+        with:
+          python-version: '3.13'
+
+      - name: Install Python packages
+        run: pip install gcovr
+
+      - name: Checkout ci-automation
+        uses: actions/checkout@v6
+        with:
+          repository: cppalliance/ci-automation
+          path: ci-automation
+
+      - name: Build and run tests & collect coverage data
+        run: |
+            set -xe
+            ls -al
+            export ORGANIZATION=${GITHUB_REPOSITORY_OWNER}
+            export REPONAME=$(basename ${GITHUB_REPOSITORY})
+            export B2_CXXSTD=${{matrix.cxxstd}}
+            ${{matrix.gcovr_script}}
+
+      - name: Checkout GitHub pages branch
+        uses: actions/checkout@v6
+        with:
+          ref: code-coverage
+          path: gh_pages_dir
+
+      - name: Copy gcovr results
+        run: |
+            set -xe
+            pwd
+            ls -al
+            touch gh_pages_dir/.nojekyll # Prevent GH pages from treating these files as Jekyll pages.
+            mkdir -p gh_pages_dir/develop
+            mkdir -p gh_pages_dir/master
+            rm -rf "gh_pages_dir/${GITHUB_REF_NAME}/gcovr"
+            cp -rp gcovr "gh_pages_dir/${GITHUB_REF_NAME}/"
+            echo -e "<html>\n<head>\n</head>\n<body>\n<a href=\"develop/index.html\">develop</a><br>\n<a href=\"master/index.html\">master</a><br>\n</body>\n</html>\n" > gh_pages_dir/index.html
+            # In the future: echo -e "<html>\n<head>\n</head>\n<body>\n<a href=gcovr/index.html>gcovr</a><br>\n</body>\n</html>\n" > gh_pages_dir/develop/index.html
+            echo -e "<html>\n<head>\n<meta http-equiv=\"refresh\" content=\"0; url=./gcovr/index.html\">\n</head>\n<body>\n</body>\n</html>\n" > gh_pages_dir/develop/index.html
+            cp gh_pages_dir/develop/index.html gh_pages_dir/master/index.html
+            cd gh_pages_dir
+            git add .
+            git commit --amend -m "$GCOVR_COMMIT_MSG"
+            git push -f origin code-coverage

build.jam

@@ -10,7 +10,6 @@ constant boost_dependencies :
     /boost/concept_check//boost_concept_check
     /boost/config//boost_config
     /boost/predef//boost_predef
-    /boost/static_assert//boost_static_assert
     /boost/throw_exception//boost_throw_exception
     /boost/type_traits//boost_type_traits ;
 
@@ -20,11 +19,11 @@ project /boost/regex
     ;
 
 explicit
-    [ alias boost_regex : build//boost_regex ]
-    [ alias all : boost_regex example test ]
+    [ alias boost_regex : : : : <library>$(boost_dependencies) ]
+    [ alias boost_regex_old : build//boost_regex ]
+    [ alias all : boost_regex boost_regex_old example test ]
     ;
 
 call-if : boost-library regex
-    : install boost_regex
+    : install boost_regex boost_regex_old
     ;
-

example/Jamfile.v2

@@ -5,7 +5,7 @@
 
 project
     : requirements
-      <library>/boost/regex//boost_regex
+      <library>/boost/regex//boost_regex_old
       <library>/boost/timer//boost_timer
       <threading>multi
       <link>shared:<define>BOOST_REGEX_DYN_LINK=1

test/Jamfile.v2

@@ -5,7 +5,7 @@
 
 project
     : requirements
-      <library>/boost/regex//boost_regex
+      <library>/boost/regex//boost_regex_old
       <library>/boost/detail//boost_detail
       <threading>multi
       <link>shared:<define>BOOST_REGEX_DYN_LINK=1

test/cmake_install_test/CMakeLists.txt

@@ -2,15 +2,14 @@
 # Distributed under the Boost Software License, Version 1.0.
 # See accompanying file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt
 
-cmake_minimum_required(VERSION 3.5...3.16)
+cmake_minimum_required(VERSION 3.5...3.31)
 
 project(cmake_install_test LANGUAGES CXX)
 
-find_package(boost_regex REQUIRED)
-find_package(boost_core REQUIRED)
+find_package(Boost COMPONENTS regex REQUIRED)
 
 add_executable(quick ../quick.cpp)
-target_link_libraries(quick Boost::regex Boost::core)
+target_link_libraries(quick Boost::regex)
 
 enable_testing()
 add_test(quick quick)

test/cmake_subdir_test/CMakeLists.txt

@@ -10,7 +10,6 @@ add_subdirectory(../.. boostorg/reegx)
 add_subdirectory(../../../config boostorg/config)
 add_subdirectory(../../../core boostorg/core)
 add_subdirectory(../../../assert boostorg/assert)
-add_subdirectory(../../../static_assert boostorg/static_assert)
 add_subdirectory(../../../throw_exception boostorg/throw_exception)
 add_subdirectory(../../../predef boostorg/predef)