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📝 document FetchContent

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Niels Lohmann
2022-01-30 13:05:18 +01:00
parent 4d4c273036
commit c11f98228d
2 changed files with 19 additions and 12 deletions
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README.md
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@@ -1185,15 +1185,15 @@ target_link_libraries(foo PRIVATE nlohmann_json::nlohmann_json)
Since CMake v3.11,
[FetchContent](https://cmake.org/cmake/help/v3.11/module/FetchContent.html) can
be used to automatically download the repository as a dependency at configure time.
be used to automatically download a release as a dependency at configure time.
Example:
```cmake
include(FetchContent)
FetchContent_Declare(json
GIT_REPOSITORY https://github.com/nlohmann/json.git
GIT_TAG v3.7.3)
URL https://github.com/nlohmann/json/releases/download/v3.10.5/json.tar.xz
)
FetchContent_GetProperties(json)
if(NOT json_POPULATED)
@@ -1204,10 +1204,8 @@ endif()
target_link_libraries(foo PRIVATE nlohmann_json::nlohmann_json)
```
**Note**: The repository https://github.com/nlohmann/json download size is huge.
It contains all the dataset used for the benchmarks. You might want to depend on
a smaller repository. For instance, you might want to replace the URL above by
https://github.com/ArthurSonzogni/nlohmann_json_cmake_fetchcontent
**Note**: It is recommended to use the URL approach described above which is supported as of version 3.10.0. See
<https://json.nlohmann.me/integration/cmake/#fetchcontent> for more information.
#### Supporting Both