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fix: error in documentation for FetchContent (#969)

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The current installation documentation for FetchContent with CMake,
result in the following error Error:

```
CMake Error at /opt/homebrew/Cellar/cmake/3.28.1/share/cmake/Modules/FetchContent.cmake:1221 (message):
  No content details recorded for cli11
Call Stack (most recent call first):
  /opt/homebrew/Cellar/cmake/3.28.1/share/cmake/Modules/FetchContent.cmake:1740 (__FetchContent_getSavedDetails)
  /opt/homebrew/Cellar/cmake/3.28.1/share/cmake/Modules/FetchContent.cmake:2033 (FetchContent_Populate)
  CMakeLists.txt:17 (FetchContent_MakeAvailable)
```

The important part: `  No content details recorded for cli11`.

I have changed the documentation such that the part which covers
FetchContent works out of the box.
This commit is contained in:
Lars Nielsen 2024-01-01 17:47:41 +01:00 committed by GitHub
parent dc137f0c16
commit dfc9e25f20
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1 changed files with 3 additions and 5 deletions
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8
book/chapters/installation.md
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@ -97,19 +97,17 @@ An example CMake file would include:
```cmake
include(FetchContent)
FetchContent_Populate(
FetchContent_Declare(
cli11_proj
QUIET
GIT_REPOSITORY https://github.com/CLIUtils/CLI11.git
GIT_TAG v2.3.2
SOURCE_DIR cli11_proj
)
FetchContent_MakeAvailable(cli11)
FetchContent_MakeAvailable(cli11_proj)
# And now you can use it
add_subdirectory(${cli11_proj_SOURCE_DIR} ${cli11_proj_SOURCE_DIR}/build)
target_link_libraries(<your project> CLI11::CLI11)
target_link_libraries(<your project> PRIVATE CLI11::CLI11)
```
And use