C++20 compatible polyfill for <expected>
#1032
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| name: build | |
| on: | |
| push: | |
| branches: | |
| - main | |
| paths: | |
| - '.github/workflows/build.yml' | |
| - 'include/**' | |
| - 'tests/**' | |
| - 'CMakeLists.txt' | |
| - 'cmake/**' | |
| pull_request: | |
| branches: | |
| - main | |
| paths: | |
| - '.github/workflows/build.yml' | |
| - 'include/**' | |
| - 'tests/**' | |
| - 'CMakeLists.txt' | |
| - 'cmake/**' | |
| jobs: | |
| linux-cxx23: | |
| runs-on: | |
| group: default | |
| strategy: | |
| fail-fast: false | |
| matrix: | |
| configuration: | |
| - Debug | |
| - Release | |
| compiler: | |
| - gcc:13 | |
| - gcc:14 | |
| - clang:18 | |
| - clang:19 | |
| container: libfn/ci-build-${{ matrix.compiler }} | |
| steps: | |
| - uses: actions/checkout@v4 | |
| - name: Verify compiler compatibility | |
| env: | |
| SOURCE: | | |
| #include <optional> | |
| #include <expected> | |
| #include <cstdio> | |
| int main() { | |
| using type1=std::expected<int, const char*>; | |
| using type2=std::optional<int>; | |
| return type1{1}.and_then([](int i) -> type1 { std::puts("OK expected"); return {i-1}; }).value() | |
| + type2{2}.and_then([](int i) -> type2 { std::puts("OK optional"); return {i-2}; }).value(); | |
| } | |
| run: | | |
| printf "CXX=%s\nCXXFLAGS=%s\n" "$CXX" "$CXXFLAGS" | |
| $CXX --version | head -1 | |
| FILE=$(mktemp --tmpdir XXXXXX.cpp) | |
| printf "$SOURCE\n" > $FILE | |
| OUT=$(mktemp --tmpdir XXXXXX) | |
| $CXX -std=c++2b $CXXFLAGS -Wall $FILE -o $OUT | |
| $OUT | |
| - name: Prepare build | |
| run: | | |
| mkdir .build | |
| cd .build | |
| cmake -DCMAKE_BUILD_TYPE=${{ matrix.configuration }} .. | |
| COMPILER=$( grep -E "^CMAKE_CXX_COMPILER:FILEPATH=" CMakeCache.txt | sed -e "s|^[^=]*=||" ) | |
| FLAGS=$( grep -iE "^CMAKE_CXX_FLAGS:STRING=" CMakeCache.txt | sed -e "s|^[^=]*=||" ) | |
| printf "C++ compiler: %s\n" "$COMPILER" | |
| printf "C++ compiler version: %s\n" "$( $COMPILER --version | head -1 )" | |
| printf "C++ compilation options: %s\n" "$FLAGS" | |
| - name: Build all | |
| env: | |
| # We want to build "--target all" for at least one arbitrary configuration | |
| TARGET: ${{ ( matrix.configuration == 'Debug' && matrix.compiler == 'gcc:14' ) && 'all' || 'cxx23' }} | |
| run: | | |
| cd .build | |
| cmake --build . --target ${TARGET} | |
| - name: Run tests | |
| run: | | |
| cd .build | |
| ctest -L cxx23 --output-on-failure | |
| linux-cxx20: | |
| runs-on: | |
| group: default | |
| strategy: | |
| fail-fast: false | |
| matrix: | |
| configuration: | |
| - Debug | |
| - Release | |
| compiler: | |
| - gcc:12 | |
| - gcc:13 | |
| - gcc:14 | |
| - clang:16 | |
| - clang:17 | |
| - clang:18 | |
| - clang:19 | |
| container: libfn/ci-build-${{ matrix.compiler }} | |
| steps: | |
| - uses: actions/checkout@v4 | |
| - name: Verify compiler compatibility | |
| env: | |
| SOURCE: | | |
| #include <optional> | |
| int main() { | |
| using type=std::optional<int>; | |
| constexpr type a{std::in_place, 1}; | |
| return a.value() - 1; | |
| } | |
| run: | | |
| printf "CXX=%s\nCXXFLAGS=%s\n" "$CXX" "$CXXFLAGS" | |
| $CXX --version | head -1 | |
| FILE=$(mktemp --tmpdir XXXXXX.cpp) | |
| printf "$SOURCE\n" > $FILE | |
| OUT=$(mktemp --tmpdir XXXXXX) | |
| $CXX -std=c++2a $CXXFLAGS -Wall $FILE -o $OUT | |
| $OUT | |
| - name: Prepare build | |
| run: | | |
| mkdir .build | |
| cd .build | |
| cmake -DCMAKE_BUILD_TYPE=${{ matrix.configuration }} .. | |
| COMPILER=$( grep -E "^CMAKE_CXX_COMPILER:FILEPATH=" CMakeCache.txt | sed -e "s|^[^=]*=||" ) | |
| FLAGS=$( grep -iE "^CMAKE_CXX_FLAGS:STRING=" CMakeCache.txt | sed -e "s|^[^=]*=||" ) | |
| printf "C++ compiler: %s\n" "$COMPILER" | |
| printf "C++ compiler version: %s\n" "$( $COMPILER --version | head -1 )" | |
| printf "C++ compilation options: %s\n" "$FLAGS" | |
| - name: Build all | |
| run: | | |
| cd .build | |
| cmake --build . --target cxx20 | |
| - name: Run tests | |
| run: | | |
| cd .build | |
| ctest -L cxx20 --output-on-failure | |
| macos-cxx23: | |
| runs-on: macos-${{ matrix.env.osver }} | |
| strategy: | |
| fail-fast: false | |
| matrix: | |
| configuration: | |
| - Debug | |
| - Release | |
| env: | |
| - compiler: clang++ | |
| osver: 15 | |
| - compiler: "$(brew --prefix llvm@18)/bin/clang++" | |
| osver: 15 | |
| steps: | |
| - uses: actions/checkout@v4 | |
| - name: Prepare build | |
| run: | | |
| mkdir .build | |
| cd .build | |
| cmake -DCMAKE_BUILD_TYPE=${{ matrix.configuration }} -DCMAKE_CXX_COMPILER=${{ matrix.env.compiler }} .. | |
| COMPILER=$( grep -E "^CMAKE_CXX_COMPILER:FILEPATH=" CMakeCache.txt | sed -e "s|^[^=]*=||" ) | |
| FLAGS=$( grep -iE "^CMAKE_CXX_FLAGS:STRING=" CMakeCache.txt | sed -e "s|^[^=]*=||" ) | |
| printf "C++ compiler: %s\n" "$COMPILER" | |
| printf "C++ compiler version: %s\n" "$( $COMPILER --version | head -1 )" | |
| printf "C++ compilation options: %s\n" "$FLAGS" | |
| - name: Build all | |
| run: | | |
| cd .build | |
| cmake --build . --target cxx23 | |
| - name: Run tests | |
| run: | | |
| cd .build | |
| ctest -L cxx23 -C ${{ matrix.configuration }} --output-on-failure | |
| macos-cxx20: | |
| runs-on: macos-${{ matrix.env.osver }} | |
| strategy: | |
| fail-fast: false | |
| matrix: | |
| configuration: | |
| - Debug | |
| - Release | |
| env: | |
| - compiler: clang++ | |
| osver: 15 | |
| - compiler: "$(brew --prefix llvm@18)/bin/clang++" | |
| osver: 15 | |
| steps: | |
| - uses: actions/checkout@v4 | |
| - name: Prepare build | |
| run: | | |
| mkdir .build | |
| cd .build | |
| cmake -DCMAKE_BUILD_TYPE=${{ matrix.configuration }} -DCMAKE_CXX_COMPILER=${{ matrix.env.compiler }} .. | |
| COMPILER=$( grep -E "^CMAKE_CXX_COMPILER:FILEPATH=" CMakeCache.txt | sed -e "s|^[^=]*=||" ) | |
| FLAGS=$( grep -iE "^CMAKE_CXX_FLAGS:STRING=" CMakeCache.txt | sed -e "s|^[^=]*=||" ) | |
| printf "C++ compiler: %s\n" "$COMPILER" | |
| printf "C++ compiler version: %s\n" "$( $COMPILER --version | head -1 )" | |
| printf "C++ compilation options: %s\n" "$FLAGS" | |
| - name: Build all | |
| run: | | |
| cd .build | |
| cmake --build . --target cxx20 | |
| - name: Run tests | |
| run: | | |
| cd .build | |
| ctest -L cxx20 -C ${{ matrix.configuration }} --output-on-failure | |
| windows-cxx20: | |
| runs-on: windows-${{ matrix.env.osver }} | |
| strategy: | |
| fail-fast: false | |
| matrix: | |
| configuration: | |
| - Debug | |
| - Release | |
| env: | |
| - vsver: "Visual Studio 17 2022" | |
| osver: 2025 | |
| - vsver: "Visual Studio 17 2022" | |
| osver: 2022 | |
| - vsver: "Visual Studio 17 2022" | |
| osver: 2019 | |
| steps: | |
| - uses: actions/checkout@v4 | |
| - name: Prepare build | |
| run: | | |
| mkdir .build | |
| cd .build | |
| cmake -DCMAKE_BUILD_TYPE=${{ matrix.configuration }} -G "${{ matrix.env.vsver }}" -A x64 .. | |
| - name: Build all | |
| run: | | |
| cd .build | |
| cmake --build . --target cxx20 | |
| - name: Run tests | |
| run: | | |
| cd .build | |
| ctest -L cxx20 -C ${{ matrix.configuration }} --output-on-failure |