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FetchContent_MakeAvailable (#3351)

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* 🔧 use FetchContent_MakeAvailable

* 💚 fix test names
This commit is contained in:
Niels Lohmann 2022-03-06 15:33:05 +01:00 committed by GitHub
parent d1e57df48b
commit c6d8892e5d
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6 changed files with 48 additions and 18 deletions
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11
README.md
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@ -1191,15 +1191,8 @@ Example:
```cmake
include(FetchContent)
FetchContent_Declare(json
URL https://github.com/nlohmann/json/releases/download/v3.10.5/json.tar.xz
)
FetchContent_GetProperties(json)
if(NOT json_POPULATED)
FetchContent_Populate(json)
add_subdirectory(${json_SOURCE_DIR} ${json_BINARY_DIR} EXCLUDE_FROM_ALL)
endif()
FetchContent_Declare(json URL https://github.com/nlohmann/json/releases/download/v3.10.5/json.tar.xz)
FetchContent_MakeAvailable(json)
target_link_libraries(foo PRIVATE nlohmann_json::nlohmann_json)
```

11
doc/mkdocs/docs/integration/cmake.md
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@ -100,15 +100,8 @@ automatically download a release as a dependency at configure type.
include(FetchContent)
FetchContent_Declare(json
URL https://github.com/nlohmann/json/releases/download/v3.10.5/json.tar.xz
)
FetchContent_GetProperties(json)
if(NOT json_POPULATED)
FetchContent_Populate(json)
add_subdirectory(${json_SOURCE_DIR} ${json_BINARY_DIR} EXCLUDE_FROM_ALL)
endif()
FetchContent_Declare(json URL https://github.com/nlohmann/json/releases/download/v3.10.5/json.tar.xz)
FetchContent_MakeAvailable(json)
add_executable(example example.cpp)
target_link_libraries(example PRIVATE nlohmann_json::nlohmann_json)

1
test/CMakeLists.txt
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@ -170,4 +170,5 @@ endif()
add_subdirectory(cmake_add_subdirectory)
add_subdirectory(cmake_fetch_content)
add_subdirectory(cmake_fetch_content2)
add_subdirectory(cmake_target_include_directories)

20
test/cmake_fetch_content2/CMakeLists.txt Normal file
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@ -0,0 +1,20 @@
if (${CMAKE_VERSION} VERSION_GREATER "3.14.0")
add_test(NAME cmake_fetch_content2_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_content2_build
COMMAND ${CMAKE_COMMAND} --build .
)
set_tests_properties(cmake_fetch_content2_configure PROPERTIES
FIXTURES_SETUP cmake_fetch_content2
LABELS "git_required;not_reproducible"
)
set_tests_properties(cmake_fetch_content2_build PROPERTIES
FIXTURES_REQUIRED cmake_fetch_content2
LABELS "git_required;not_reproducible"
)
endif()

15
test/cmake_fetch_content2/project/CMakeLists.txt Normal file
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@ -0,0 +1,15 @@
cmake_minimum_required(VERSION 3.14)
project(DummyImport CXX)
include(FetchContent)
get_filename_component(GIT_REPOSITORY_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/../../.. ABSOLUTE)
FetchContent_Declare(json GIT_REPOSITORY ${GIT_REPOSITORY_DIRECTORY} GIT_TAG HEAD)
FetchContent_MakeAvailable(json)
add_executable(with_namespace_target main.cpp)
target_link_libraries(with_namespace_target nlohmann_json::nlohmann_json)
add_executable(without_namespace_target main.cpp)
target_link_libraries(without_namespace_target nlohmann_json)

8
test/cmake_fetch_content2/project/main.cpp Normal file
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@ -0,0 +1,8 @@
#include <nlohmann/json.hpp>
int main(int argc, char **argv)
{
nlohmann::json j;
return 0;
}