name: Windows on: push: branches: - develop - master - release/* pull_request: # labeled: the "🚀 ready to merge" label starts the full set (see below) types: [opened, synchronize, reopened, labeled] # Skip pull requests that change only files no job here reads. The list is checked by # tools/check_path_filters/check_path_filters.py (repository_checks.yml); change both together. paths: - '**' - '!docs/**' - '!**.md' - '!.github/*' - '!.github/ISSUE_TEMPLATE/**' - '!.github/external_ci/**' - '!.github/workflows/**' - '!.reuse/**' - '!LICENSES/**' - '!CITATION.cff' - '!REUSE.toml' # read by tools/check_build_options in the ci_meson_install job (ubuntu.yml) - 'docs/mkdocs/docs/integration/package_managers.md' # built by the swiftpm job (macos.yml) - 'docs/mkdocs/docs/integration/swift/**' - '.github/workflows/windows.yml' schedule: # the nightly set (see below), on develop - cron: '0 2 * * *' workflow_dispatch: permissions: contents: read # A run triggered by any other label gets a group of its own, so it does not # cancel the run of the last push; its jobs are skipped. concurrency: group: ${{ github.workflow }}-${{ github.event_name == 'schedule' && 'nightly' || github.ref || github.run_id }}${{ github.event.action == 'labeled' && github.event.label.name != '🚀 ready to merge' && format('-{0}', github.run_id) || '' }} cancel-in-progress: true # The jobs are split into three sets like in ubuntu.yml (see "How CI runs" in # docs/mkdocs/docs/community/quality_assurance.md): the PR set runs on every # push; the full set after the PR set passed, on pushes and on pull requests # with the "🚀 ready to merge" label; the nightly set nightly on develop, on # pushes to master and release/*, and when started by hand. tools/ci_jobs # checks that every job belongs to exactly one set. jobs: ########################################################################### # PR set ########################################################################### mingw: if: &pr_set ${{ github.event_name != 'schedule' && (github.event.action != 'labeled' || github.event.label.name == '🚀 ready to merge') }} runs-on: windows-2022 strategy: matrix: architecture: [x86] steps: &mingw_steps - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1 with: persist-credentials: false - name: Set up MinGW uses: egor-tensin/setup-mingw@41b837e47d7f85214629d255b9c4bc3fcbe9fd63 # v3.0 with: platform: ${{ matrix.architecture }} version: 12.2.0 # https://github.com/egor-tensin/setup-mingw/issues/14 - name: Run CMake run: cmake -S . -B build -G "MinGW Makefiles" -DCMAKE_BUILD_TYPE=Debug -DJSON_BuildTests=On - name: Build run: cmake --build build --parallel 10 - name: Test run: cd build ; ctest -j 10 -C Debug --output-on-failure msvc: if: *pr_set strategy: matrix: include: - build_type: Debug architecture: x64 std_version: default - build_type: Release architecture: x64 std_version: default - build_type: Debug architecture: Win32 std_version: default - build_type: Release architecture: Win32 std_version: latest runs-on: windows-2022 steps: &msvc_steps - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1 with: persist-credentials: false - name: Set extra CXX_FLAGS for latest std_version id: cxxflags run: | if [ "${{ matrix.std_version }}" = "latest" ]; then echo "flags=/permissive- /std:c++latest /utf-8 /W4 /WX" >> $GITHUB_ENV else echo "flags=/W4 /WX" >> $GITHUB_ENV fi shell: bash - name: Run CMake (Release) run: cmake -S . -B build -G "Visual Studio 17 2022" -A ${{ matrix.architecture }} -DJSON_BuildTests=On -DCMAKE_CXX_FLAGS="$env:flags" if: matrix.build_type == 'Release' shell: pwsh - name: Run CMake (Debug) run: cmake -S . -B build -G "Visual Studio 17 2022" -A ${{ matrix.architecture }} -DJSON_BuildTests=On -DJSON_FastTests=ON -DCMAKE_CXX_FLAGS="$env:flags" if: matrix.build_type == 'Debug' shell: pwsh - name: Build run: cmake --build build --config ${{ matrix.build_type }} --parallel 10 - name: Test run: cd build ; ctest -j 10 -C ${{ matrix.build_type }} --output-on-failure # Visual Studio 2026 (v145 toolset) on the windows-2025 image. The "Visual Studio # 18 2026" generator requires CMake 4.2+, so a recent CMake is fetched explicitly. msvc-vs2026: if: *pr_set strategy: matrix: include: - build_type: Debug architecture: x64 std_version: latest - build_type: Release architecture: Win32 std_version: default runs-on: windows-2025 steps: &msvc_vs2026_steps - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1 with: persist-credentials: false - name: Get latest CMake and ninja uses: lukka/get-cmake@a89e43e22a96abafcd7a62db652a65ecd33052c9 # v4.4.4 - name: Set extra CXX_FLAGS for latest std_version # /wd5285 silences C5285 emitted by the bundled third-party doctest.h, which # specializes std::tuple (newly diagnosed by the VS2026 v145 toolset) run: | if [ "${{ matrix.std_version }}" = "latest" ]; then echo "flags=/permissive- /std:c++latest /utf-8 /W4 /WX /wd5285" >> $GITHUB_ENV else echo "flags=/W4 /WX /wd5285" >> $GITHUB_ENV fi shell: bash - name: Run CMake (Release) run: cmake -S . -B build -G "Visual Studio 18 2026" -A ${{ matrix.architecture }} -DJSON_BuildTests=On -DCMAKE_CXX_FLAGS="$env:flags" if: matrix.build_type == 'Release' shell: pwsh - name: Run CMake (Debug) run: cmake -S . -B build -G "Visual Studio 18 2026" -A ${{ matrix.architecture }} -DJSON_BuildTests=On -DJSON_FastTests=ON -DCMAKE_CXX_FLAGS="$env:flags" if: matrix.build_type == 'Debug' shell: pwsh - name: Build run: cmake --build build --config ${{ matrix.build_type }} --parallel 10 - name: Test run: cd build ; ctest -j 10 -C ${{ matrix.build_type }} --output-on-failure # Native ARM64 Windows runner with the MSVC ARM64 toolset. The windows-11-arm # label is only available for public repositories. msvc-arm64: if: *pr_set strategy: matrix: build_type: [Debug] runs-on: windows-11-arm steps: &msvc_arm64_steps - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1 with: persist-credentials: false - name: Run CMake (Release) run: cmake -S . -B build -G "Visual Studio 18 2026" -A ARM64 -DJSON_BuildTests=On -DCMAKE_CXX_FLAGS="/W4 /WX" if: matrix.build_type == 'Release' shell: pwsh - name: Run CMake (Debug) run: cmake -S . -B build -G "Visual Studio 18 2026" -A ARM64 -DJSON_BuildTests=On -DJSON_FastTests=ON -DCMAKE_CXX_FLAGS="/W4 /WX" if: matrix.build_type == 'Debug' shell: pwsh - name: Build run: cmake --build build --config ${{ matrix.build_type }} --parallel 10 - name: Test run: cd build ; ctest -j 10 -C ${{ matrix.build_type }} --output-on-failure clang: if: *pr_set runs-on: windows-2022 strategy: matrix: version: [20.1.8] steps: &clang_steps - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1 with: persist-credentials: false - name: Install Clang run: curl -fsSL -o LLVM${{ matrix.version }}.exe https://github.com/llvm/llvm-project/releases/download/llvmorg-${{ matrix.version }}/LLVM-${{ matrix.version }}-win64.exe ; 7z x LLVM${{ matrix.version }}.exe -y -o"C:/Program Files/LLVM" - name: Set up MinGW uses: egor-tensin/setup-mingw@41b837e47d7f85214629d255b9c4bc3fcbe9fd63 # v3.0 with: platform: x64 version: 12.2.0 # https://github.com/egor-tensin/setup-mingw/issues/14 # CMAKE_CXX_FLAGS_DEBUG is overridden to drop the default -g: linking # test-regression2_cpp20 intermittently fails with "relocation truncated # to fit: IMAGE_REL_AMD64_SECREL against `.debug_line'" because the # MinGW linker cannot relocate the debug sections this test produces. # The tests are only built and run here, so the debug info is not used. # Do not add -O1 here to shrink the objects further: it does make them # link, but the binaries clang 11.0.1 and clang 18.1.8 then produce crash # before doctest prints its first line - 39 of 102 tests on clang 18. # Keep the objects small by splitting the test files instead. # The tests link with LLD: GNU ld fails on objects with more than 32767 # sections with "relocation truncated to fit: IMAGE_REL_AMD64_REL32 # against `.rdata'", as it stores the section an associative COMDAT # section belongs to in 16 bits (x_associated in binutils' # include/coff/internal.h) and so discards the jump tables of inline # functions together with the wrong function. Each basic_json # specialization and input type a test file instantiates adds many # sections, so unit-msgpack.cpp and unit-regression2.cpp kept crossing # that limit as the library grew. - name: Run CMake run: cmake -S . -B build ^ -DCMAKE_CXX_COMPILER="C:/Program Files/LLVM/bin/clang++.exe" ^ -DCMAKE_CXX_FLAGS="--target=x86_64-w64-mingw32 -stdlib=libstdc++ -pthread" ^ -DCMAKE_CXX_FLAGS_DEBUG="-g0" ^ -DCMAKE_EXE_LINKER_FLAGS="-fuse-ld=lld -lwinpthread" ^ -G"MinGW Makefiles" ^ -DCMAKE_BUILD_TYPE=Debug ^ -DJSON_BuildTests=On - name: Build run: cmake --build build --parallel 10 - name: Test run: cd build ; ctest -j 10 -C Debug --output-on-failure ci_module_cpp20: if: *pr_set runs-on: windows-2022 steps: - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1 with: persist-credentials: false # The module test uses `import std;`, which needs CMake's experimental # import-std support. Its opt-in token is CMake-version-specific, so pin # CMake to the version whose token is set in tests/module_cpp20/CMakeLists.txt. - name: Get pinned CMake and ninja uses: lukka/get-cmake@a89e43e22a96abafcd7a62db652a65ecd33052c9 # v4.4.4 with: cmakeVersion: 4.3.4 # CMAKE_CXX_FLAGS replaces CMake's MSVC defaults (which include /EHsc), and # ci_module_cpp20 forwards it to the module build, so list /EHsc explicitly - name: Run CMake (Debug) run: cmake -S . -B build -G "Visual Studio 17 2022" -DJSON_CI=ON -DCMAKE_CXX_FLAGS="/permissive- /std:c++latest /utf-8 /EHsc /W4 /WX" - name: Build run: cmake --build build --config Debug --target ci_module_cpp20 ########################################################################### # full set: starts after the PR set passed ########################################################################### msvc_full: needs: &pr_set_jobs [mingw, msvc, msvc-vs2026, msvc-arm64, clang, ci_module_cpp20] if: &full_set ${{ github.event_name == 'push' || github.event_name == 'workflow_dispatch' || contains(github.event.pull_request.labels.*.name, '🚀 ready to merge') }} strategy: matrix: build_type: [Debug, Release] architecture: [Win32, x64] std_version: [default, latest] exclude: # in the PR set - build_type: Debug architecture: x64 std_version: default - build_type: Release architecture: x64 std_version: default - build_type: Debug architecture: Win32 std_version: default - build_type: Release architecture: Win32 std_version: latest runs-on: windows-2022 steps: *msvc_steps # Visual Studio 2026 (v145 toolset) on the windows-2025 image. The "Visual Studio # 18 2026" generator requires CMake 4.2+, so a recent CMake is fetched explicitly. msvc-vs2026_full: needs: *pr_set_jobs if: *full_set strategy: matrix: build_type: [Debug, Release] architecture: [Win32, x64] std_version: [default, latest] exclude: # in the PR set - build_type: Debug architecture: x64 std_version: latest - build_type: Release architecture: Win32 std_version: default runs-on: windows-2025 steps: *msvc_vs2026_steps # Native ARM64 Windows runner with the MSVC ARM64 toolset. The windows-11-arm # label is only available for public repositories. msvc-arm64_full: needs: *pr_set_jobs if: *full_set strategy: matrix: build_type: [Release] runs-on: windows-11-arm steps: *msvc_arm64_steps clang_full: needs: *pr_set_jobs if: *full_set runs-on: windows-2022 strategy: matrix: version: [11.0.1, 12.0.1, 13.0.1, 14.0.6, 15.0.7, 16.0.6, 18.1.8, 19.1.7] steps: *clang_steps clang-cl_full: needs: *pr_set_jobs if: *full_set runs-on: windows-2022 strategy: matrix: architecture: [Win32, x64] steps: - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1 with: persist-credentials: false - name: Run CMake run: cmake -S . -B build -G "Visual Studio 17 2022" -A ${{ matrix.architecture }} -T ClangCL -DJSON_BuildTests=On - name: Build run: cmake --build build --config Debug --parallel 10 - name: Test run: cd build ; ctest -j 10 -C Debug --output-on-failure ########################################################################### # nightly set ########################################################################### mingw_nightly: if: ${{ github.event_name == 'schedule' || github.event_name == 'workflow_dispatch' || (github.event_name == 'push' && github.ref != 'refs/heads/develop') }} runs-on: windows-2022 strategy: matrix: architecture: [x64] steps: *mingw_steps # A failure of a scheduled run opens an issue, or comments on the open one. nightly_report: needs: [mingw_nightly] if: ${{ always() && github.event_name == 'schedule' && contains(needs.*.result, 'failure') }} runs-on: ubuntu-26.04 permissions: issues: write steps: - name: Harden Runner uses: step-security/harden-runner@ccd8616d44fd3846e67624a50d5aad6d37bf2d25 # v2.22.1 with: egress-policy: audit - name: Open or update the nightly failure issue env: GH_TOKEN: ${{ github.token }} GH_REPO: ${{ github.repository }} RUN_URL: ${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }} WORKFLOW: ${{ github.workflow }} SHA: ${{ github.sha }} run: | title="Nightly CI failure (${WORKFLOW})" body="The nightly run of ${WORKFLOW} on ${SHA:0:10} failed: ${RUN_URL}" number=$(gh issue list --state open --search "in:title \"${title}\"" --json number,title --jq "map(select(.title == \"${title}\")) | .[0].number // empty") if [ -n "$number" ]; then gh issue comment "$number" --body "$body" else gh issue create --title "$title" --body "$body" fi