Add cmake-multi-platform CI Action

.github/workflows/cmake-multi-platform.yml

@@ -0,0 +1,117 @@
+# This starter workflow is for a CMake project running on multiple platforms. There is a different starter workflow if you just want a single platform.
+# See: https://github.com/actions/starter-workflows/blob/main/ci/cmake-single-platform.yml
+name: Multiplatform Build
+
+on:
+  push:
+    branches: [ "main" ]
+  pull_request:
+    branches: [ "main" ]
+
+jobs:
+  build:
+    runs-on: ${{ matrix.runner }}
+    strategy:
+      # Set fail-fast to false to ensure that feedback is delivered for all matrix combinations. Consider changing this to true when your workflow is stable.
+      fail-fast: false
+
+      # Set up a matrix to run the following 3 configurations:
+      # 1. <Windows, Release, latest MSVC compiler toolchain on the default runner image, default generator>
+      # 2. <Linux, Release, latest GCC compiler toolchain on the default runner image, default generator>
+      # 3. <Linux, Release, latest Clang compiler toolchain on the default runner image, default generator>
+      #
+      # To add more build types (Release, Debug, RelWithDebInfo, etc.) customize the build_type list.
+      matrix:
+        runner: [ubuntu-26.04, windows-2025-vs2026]
+        build_type: [Release]
+        c_compiler: [gcc, clang-22, cl]
+        include:
+          - runner: windows-2025-vs2026
+            os: Windows
+            c_compiler: cl
+            cpp_compiler: cl
+          - runner: ubuntu-26.04
+            c_compiler: gcc
+            cpp_compiler: g++
+          - runner: ubuntu-26.04
+            c_compiler: clang-22
+            cpp_compiler: clang++-22
+        exclude:
+          - runner: windows-2025-vs2026
+            c_compiler: gcc
+          - runner: windows-2025-vs2026
+            c_compiler: clang-22
+          - runner: ubuntu-26.04
+            c_compiler: cl
+
+    steps:
+    - uses: actions/checkout@v4
+
+    - name: Install libc++ for Clang
+      if: matrix.c_compiler == 'clang-22'
+      run: |
+        sudo apt-get update
+        sudo apt-get install -y libc++-22-dev libc++abi-22-dev
+
+    - name: Set reusable strings
+      # Turn repeated input strings (such as the build output directory) into step outputs. These step outputs can be used throughout the workflow file.
+      id: strings
+      shell: bash
+      run: |
+        echo "build-output-dir=${{ github.workspace }}/build" >> "$GITHUB_OUTPUT"
+
+    - name: Create Conan Dependencies Profile
+      shell: bash
+      run: |
+        cat << EOF > profile.txt
+        [settings]
+        arch=x86_64
+        os=$RUNNER_OS
+        compiler=$(sed 's/-[0-9][0-9]*$//' <<< "${{ matrix.c_compiler }}")
+        compiler.version=$(${{ matrix.c_compiler }} -dumpversion | cut -d. -f1)
+        compiler.cppstd=23
+        $([[ "${{ matrix.c_compiler }}" == "gcc" ]] && echo "compiler.libcxx=libstdc++11" || echo "compiler.libcxx=libc++")
+
+        [buildenv]
+        CC=${{ matrix.c_compiler }}
+        CXX=${{ matrix.cpp_compiler }}
+
+        [conf]
+        tools.cmake.cmaketoolchain:generator=Ninja Multi-Config
+        tools.cmake.cmake_layout:build_folder_vars=['settings.compiler', 'settings.arch']
+        EOF
+
+    - name: Install Conan
+      run: |
+        pip install conan==2.29.0
+        conan profile detect
+
+    - name: Configure Conan Dependencies
+      run: >
+        conan install
+        -of "${{ steps.strings.outputs.build-output-dir }}"
+        -s build_type=${{ matrix.build_type }}
+        -b=missing
+        -pr=profile.txt
+        "${{ github.workspace }}/conanfile.txt"
+
+    - name: Configure CMake
+      # Configure CMake in a 'build' subdirectory. `CMAKE_BUILD_TYPE` is only required if you are using a single-configuration generator such as make.
+      # See https://cmake.org/cmake/help/latest/variable/CMAKE_BUILD_TYPE.html?highlight=cmake_build_type
+      run: >
+        cmake -B ${{ steps.strings.outputs.build-output-dir }}
+        --preset=conan-$(sed 's/-[0-9][0-9]*$//' <<< "${{ matrix.c_compiler }}")-x86_64
+        -DCMAKE_CXX_COMPILER=${{ matrix.cpp_compiler }}
+        -DCMAKE_C_COMPILER=${{ matrix.c_compiler }}
+        -DCMAKE_BUILD_TYPE=${{ matrix.build_type }}
+        -S ${{ github.workspace }}
+
+    - name: Build
+      # Build your program with the given configuration. Note that --config is needed because the default Windows generator is a multi-config generator (Visual Studio generator).
+      run: cmake --build ${{ steps.strings.outputs.build-output-dir }} --config ${{ matrix.build_type }}
+
+    - name: Test
+      working-directory: ${{ steps.strings.outputs.build-output-dir }}
+      # Execute tests defined by the CMake configuration. Note that --build-config is needed because the default Windows generator is a multi-config generator (Visual Studio generator).
+      # See https://cmake.org/cmake/help/latest/manual/ctest.1.html for more detail
+      run: ctest --preset=conan-$(sed 's/-[0-9][0-9]*$//' <<< "${{ matrix.c_compiler }}")-x86_64-release

CMakeLists.txt

@@ -7,8 +7,10 @@ if (CMAKE_VERSION VERSION_LESS "4.0.3")
   set(CMAKE_EXPERIMENTAL_CXX_IMPORT_STD "a9e1cf81-9932-4810-974b-6eccaf14e457")
 elseif (CMAKE_VERSION VERSION_LESS "4.3.0")
   set(CMAKE_EXPERIMENTAL_CXX_IMPORT_STD "d0edc3af-4c50-42ea-a356-e2862fe7a444")
-else()
+elseif (CMAKE_VERSION VERSION_LESS "4.4.0")
   set(CMAKE_EXPERIMENTAL_CXX_IMPORT_STD "451f2fe2-a8a2-47c3-bc32-94786d8fc91b")
+else()
+  set(CMAKE_EXPERIMENTAL_CXX_IMPORT_STD "f35a9ac6-8463-4d38-8eec-5d6008153e7d")
 endif()
 
 # Project + Language

README.md

@@ -99,7 +99,7 @@ cmake -B build/clang --preset=conan-clang-x86_64
 # build
 cmake --build build/clang --config Release -j8
 # test
-ctest -C Release --test-dir build/clang --no-compress-output --verbose
+ctest -preset=${CONAN_PROFILE} --no-compress-output --verbose
 ```
 
 ### GNU
@@ -115,7 +115,7 @@ cmake -B build/gcc --preset=conan-gcc-x86_64
 # build
 cmake --build build/gcc --config Release -j8
 # test
-ctest -C Release --test-dir build/gcc --no-compress-output --verbose
+ctest -preset=${CONAN_PROFILE} --no-compress-output --verbose
 ```
 
 ## Dockerfile

targets/cpp-deps-modules/libcxx/CMakeLists.txt

@@ -21,7 +21,6 @@ target_compile_definitions(${TARGET_NAME} PRIVATE _LIBCPP_HAS_WIDE_CHARACTERS=1)
 target_compile_definitions(${TARGET_NAME} PRIVATE _LIBCPP_HAS_THREADS=1)
 target_compile_definitions(${TARGET_NAME} PRIVATE _LIBCPP_HAS_RANDOM_DEVICE=1)
 
-FILE(GLOB_RECURSE SRCS RELATIVE ${CMAKE_CURRENT_SOURCE_DIR} *.cppm)
 target_sources(${TARGET_NAME} PUBLIC
   FILE_SET CXX_MODULES
   BASE_DIRS