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Mention CMake's integration with CATCH_CONFIG options

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Martin Hořeňovský 2022-05-21 13:04:09 +02:00
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docs/cmake-integration.md
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@ -5,6 +5,7 @@
[CMake targets](#cmake-targets)<br>
[Automatic test registration](#automatic-test-registration)<br>
[CMake project options](#cmake-project-options)<br>
[`CATCH_CONFIG_*` customization options in CMake](#catch_config_-customization-options-in-cmake)<br>
[Installing Catch2 from git repository](#installing-catch2-from-git-repository)<br>
[Installing Catch2 from vcpkg](#installing-catch2-from-vcpkg)<br>
@ -293,6 +294,31 @@ compiled separately to ensure that they are self-sufficient.
Defaults to `OFF`.
## `CATCH_CONFIG_*` customization options in CMake
> CMake support for `CATCH_CONFIG_*` options was introduced in Catch2 3.0.1
Due to the new separate compilation model, all the options from the
[Compile-time configuration docs](configuration.md#top) can also be set
through Catch2's CMake. To set them, define the option you want as `ON`,
e.g. `-DCATCH_CONFIG_NOSTDOUT=ON`.
Note that setting the option to `OFF` doesn't disable it. To force disable
an option, you need to set the `_NO_` form of it to `ON`, e.g.
`-DCATCH_CONFIG_NO_COLOUR_WIN32=ON`.
To summarize the configuration option behaviour with an example:
| `-DCATCH_CONFIG_COLOUR_WIN32` | `-DCATCH_CONFIG_NO_COLOUR_WIN32` | Result |
|-------------------------------|----------------------------------|-------------|
| `ON` | `ON` | error |
| `ON` | `OFF` | force-on |
| `OFF` | `ON` | force-off |
| `OFF` | `OFF` | auto-detect |
## Installing Catch2 from git repository
If you cannot install Catch2 from a package manager (e.g. Ubuntu 16.04