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json/test/cmake_fetch_content/CMakeLists.txt

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Add CMake fetchcontent documentation and tests Github issue: https://github.com/nlohmann/json/issues/2073 nlohmann::json documents 2 way of depending on it using CMake 1) Copy-paste the project/source into your own project. 2) Install nlohman::json and then use find_package. (1) pollutes your git repository, (2) requires everyone to install the dependencies themselves. Since 2018, CMake provide some kind of 'package manager' features using [FetchContent](https://cmake.org/cmake/help/v3.17/module/FetchContent.html) It gives the following: ~~~cmake include(FetchContent) FetchContent_Declare(json GIT_REPOSITORY https://github.com/nlohmann/json GIT_TAG v3.7.3) FetchContent_GetProperties(json) if(NOT json_POPULATED) FetchContent_Populate(json) add_subdirectory( ${json_SOURCE_DIR} ${json_BINARY_DIR} EXCLUDE_FROM_ALL) endif() ~~~ Then declares the dependency in the target using it: ~~~cmake target_link_library(my_project PRIVATE nlohmann_json::nlohmann_json ~~~ This patch updates the documentation and provides tests.
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if (${CMAKE_VERSION} VERSION_GREATER "3.11.0")
add_test(NAME cmake_fetch_content_configure
COMMAND ${CMAKE_COMMAND}
-G "${CMAKE_GENERATOR}"
-DCMAKE_CXX_COMPILER=${CMAKE_CXX_COMPILER}
-Dnlohmann_json_source=${PROJECT_SOURCE_DIR}
${CMAKE_CURRENT_SOURCE_DIR}/project
)
add_test(NAME cmake_fetch_content_build
COMMAND ${CMAKE_COMMAND} --build .
)
set_tests_properties(cmake_fetch_content_configure PROPERTIES
FIXTURES_SETUP cmake_fetch_content
:wrench: add label to tests that require a git checkout
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LABELS git_required
Add CMake fetchcontent documentation and tests Github issue: https://github.com/nlohmann/json/issues/2073 nlohmann::json documents 2 way of depending on it using CMake 1) Copy-paste the project/source into your own project. 2) Install nlohman::json and then use find_package. (1) pollutes your git repository, (2) requires everyone to install the dependencies themselves. Since 2018, CMake provide some kind of 'package manager' features using [FetchContent](https://cmake.org/cmake/help/v3.17/module/FetchContent.html) It gives the following: ~~~cmake include(FetchContent) FetchContent_Declare(json GIT_REPOSITORY https://github.com/nlohmann/json GIT_TAG v3.7.3) FetchContent_GetProperties(json) if(NOT json_POPULATED) FetchContent_Populate(json) add_subdirectory( ${json_SOURCE_DIR} ${json_BINARY_DIR} EXCLUDE_FROM_ALL) endif() ~~~ Then declares the dependency in the target using it: ~~~cmake target_link_library(my_project PRIVATE nlohmann_json::nlohmann_json ~~~ This patch updates the documentation and provides tests.
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)
set_tests_properties(cmake_fetch_content_build PROPERTIES
FIXTURES_REQUIRED cmake_fetch_content
:wrench: add label to tests that require a git checkout
2020-06-17 13:35:59 +03:00
LABELS git_required
Add CMake fetchcontent documentation and tests Github issue: https://github.com/nlohmann/json/issues/2073 nlohmann::json documents 2 way of depending on it using CMake 1) Copy-paste the project/source into your own project. 2) Install nlohman::json and then use find_package. (1) pollutes your git repository, (2) requires everyone to install the dependencies themselves. Since 2018, CMake provide some kind of 'package manager' features using [FetchContent](https://cmake.org/cmake/help/v3.17/module/FetchContent.html) It gives the following: ~~~cmake include(FetchContent) FetchContent_Declare(json GIT_REPOSITORY https://github.com/nlohmann/json GIT_TAG v3.7.3) FetchContent_GetProperties(json) if(NOT json_POPULATED) FetchContent_Populate(json) add_subdirectory( ${json_SOURCE_DIR} ${json_BINARY_DIR} EXCLUDE_FROM_ALL) endif() ~~~ Then declares the dependency in the target using it: ~~~cmake target_link_library(my_project PRIVATE nlohmann_json::nlohmann_json ~~~ This patch updates the documentation and provides tests.
2020-04-29 15:29:17 +03:00
)
endif()
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