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[ci] Test cmake integration
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‎.github/workflows/test.yml‎

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@@ -62,6 +62,12 @@ jobs:
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if: runner.os == 'Linux'
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run: sudo apt-get install -y ninja-build
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- name: Check CMake Version
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run: cmake --version
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# -----------------------------------------------------------------------
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# Main project
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# -----------------------------------------------------------------------
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- name: Configure
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run: cmake --preset ${{ matrix.preset }} -B build/${{ matrix.preset }}
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name: test-results-${{ matrix.compiler }}
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path: build/${{ matrix.preset }}/test-results-*.xml
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retention-days: 30
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# -----------------------------------------------------------------------
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# FetchContent variant — simulates embedding via FetchContent_MakeAvailable
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# -----------------------------------------------------------------------
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- name: Copy Preset (FetchContent)
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run: cp ./CMakePresets.json test/cmake-fetch_content
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- name: Test Consumer (FetchContent) — Configure
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working-directory: test/cmake-fetch_content
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run: cmake --preset ${{ matrix.preset }} -B build-consumer-fetch_content
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-DEGGS_FLAT_MAP_SOURCE_DIR=${{ github.workspace }}
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- name: Test Consumer (FetchContent) — Build
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working-directory: test/cmake-fetch_content
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run: cmake --build build-consumer-fetch_content --config Debug
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- name: Test Consumer (FetchContent) — Test
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working-directory: test/cmake-fetch_content
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run: ctest --test-dir build-consumer-fetch_content --build-config Debug
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--output-on-failure
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# -----------------------------------------------------------------------
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# Install variant — simulates a real end-user find_package workflow
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# -----------------------------------------------------------------------
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- name: Test Install
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run: cmake --install build/${{ matrix.preset }}
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--prefix ${{ runner.temp }}/eggs-flat_map-install
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--config Release
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- name: Upload installed package
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uses: actions/upload-artifact@v6
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with:
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name: installed-package-${{ matrix.compiler }}
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path: ${{ runner.temp }}/eggs-flat_map-install
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if-no-files-found: error
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retention-days: 7
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- name: Clean Source and Build Tree
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run: cmake -E rm -rf ./include ./src ./build
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- name: Copy Preset (find_package)
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run: cp ./CMakePresets.json test/cmake-find_package
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- name: Test Consumer (find_package) — Configure
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working-directory: test/cmake-find_package
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run: cmake --preset ${{ matrix.preset }} -B build-consumer-find_package
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-DCMAKE_PREFIX_PATH=${{ runner.temp }}/eggs-flat_map-install
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--debug-find-pkg=Eggs.FlatMap
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- name: Test Consumer (find_package) — Build
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working-directory: test/cmake-find_package
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run: cmake --build build-consumer-find_package --config Debug
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- name: Test Consumer (find_package) — Test
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working-directory: test/cmake-find_package
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run: ctest --test-dir build-consumer-find_package --build-config Debug
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--output-on-failure

‎CMakeLists.txt‎

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@@ -61,7 +61,12 @@ endif()
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if(ENABLE_INSTALL)
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include(CMakePackageConfigHelpers)
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install(TARGETS _eggs_flat_map EXPORT Eggs::FlatMap FILE_SET HEADERS)
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install(
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TARGETS _eggs_flat_map
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EXPORT Eggs::FlatMap
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FILE_SET HEADERS
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INCLUDES DESTINATION include
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)
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install(
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EXPORT Eggs::FlatMap

‎test/cmake-fetch_content/CMakeLists.txt‎

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# Copyright Agustin K-ballo Berge, Fusion Fenix 2026
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#
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# Distributed under the Boost Software License, Version 1.0. (See accompanying
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# file LICENSE.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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cmake_minimum_required(VERSION 3.25)
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project(Eggs::FlatMap-FetchContent CXX)
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# -------------------------------------------------------------------------
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# EGGS_FlatMap_SOURCE_DIR is injected by the CTest fixture so that this
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# consumer always tests the local working tree, not a remote tag.
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# -------------------------------------------------------------------------
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if(NOT DEFINED EGGS_FLAT_MAP_SOURCE_DIR)
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message(
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FATAL_ERROR
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"EGGS_FLAT_MAP_SOURCE_DIR must be set. "
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"Pass -DEGGS_FLAT_MAP_SOURCE_DIR=<path> to cmake."
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)
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endif()
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file(TO_CMAKE_PATH "${EGGS_FLAT_MAP_SOURCE_DIR}" EGGS_FLAT_MAP_SOURCE_DIR)
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include(FetchContent)
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FetchContent_Declare(Eggs.FlatMap SOURCE_DIR "${EGGS_FLAT_MAP_SOURCE_DIR}")
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FetchContent_MakeAvailable(Eggs.FlatMap)
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# -------------------------------------------------------------------------
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# Verification target — identical intent to the install consumer, but this
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# time the target comes from FetchContent rather than an installed config.
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# -------------------------------------------------------------------------
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add_executable(consumer_verify ../../example/entity_db.cpp)
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target_link_libraries(consumer_verify PRIVATE Eggs::FlatMap)
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# -------------------------------------------------------------------------
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# Confirm that the FetchContent target exposes the same properties as the
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# installed one (no accidental in-tree-only paths).
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# -------------------------------------------------------------------------
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foreach(
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_prop
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IN
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ITEMS
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INTERFACE_INCLUDE_DIRECTORIES
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INTERFACE_COMPILE_DEFINITIONS
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INTERFACE_COMPILE_FEATURES
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INTERFACE_LINK_LIBRARIES
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)
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get_target_property(_val Eggs::FlatMap ${_prop})
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message(STATUS "Eggs::FlatMap (FetchContent) ${_prop}: ${_val}")
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endforeach()
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# Make the verify binary a ctest too
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enable_testing()
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add_test(NAME verify COMMAND consumer_verify)

‎test/cmake-find_package/CMakeLists.txt‎

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# Copyright Agustin K-ballo Berge, Fusion Fenix 2026
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#
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# Distributed under the Boost Software License, Version 1.0. (See accompanying
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# file LICENSE.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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cmake_minimum_required(VERSION 3.25)
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project(Eggs::FlatMap-FindPackage CXX)
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# -------------------------------------------------------------------------
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# Find the installed package exactly as an end-user would
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# -------------------------------------------------------------------------
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find_package(Eggs.FlatMap REQUIRED)
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# -------------------------------------------------------------------------
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# Verification target
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# Compiles a minimal translation unit that exercises the interface headers
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# and verifies INTERFACE_COMPILE_DEFINITIONS / INTERFACE_INCLUDE_DIRECTORIES
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# were exported correctly.
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# -------------------------------------------------------------------------
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add_executable(consumer_verify ../../example/entity_db.cpp)
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target_link_libraries(consumer_verify PRIVATE Eggs::FlatMap)
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# -------------------------------------------------------------------------
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# Print target properties at configure time so ctest -V shows them
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# -------------------------------------------------------------------------
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foreach(
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_prop
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IN
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ITEMS
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INTERFACE_INCLUDE_DIRECTORIES
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INTERFACE_COMPILE_DEFINITIONS
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INTERFACE_COMPILE_FEATURES
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INTERFACE_LINK_LIBRARIES
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)
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get_target_property(_val Eggs::FlatMap ${_prop})
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message(STATUS "Eggs::FlatMap ${_prop}: ${_val}")
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endforeach()
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# Make the verify binary a ctest too
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enable_testing()
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add_test(NAME verify COMMAND consumer_verify)

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