gnss-sdr/src/algorithms/libs/volk_gnsssdr_module/volk_gnsssdr/cpu_features/cmake/README.md

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# CMake build instructions
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SPDX-License-Identifier: Apache-2.0
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SPDX-FileCopyrightText: 2017 Google Inc.
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## Recommended usage : Incorporating cpu_features into a CMake project
For API / ABI compatibility reasons, it is recommended to build and use
cpu_features in a subdirectory of your project or as an embedded dependency.
This is similar to the recommended usage of the googletest framework (
https://github.com/google/googletest/blob/master/googletest/README.md )
Build and use step-by-step
1- Download cpu_features and copy it in a sub-directory in your project. or add
cpu_features as a git-submodule in your project
2- You can then use the cmake command `add_subdirectory()` to include
cpu_features directly and use the `cpu_features` target in your project.
3- Add the `cpu_features` target to the `target_link_libraries()` section of
your executable or of your library.
## Enabling tests
CMake default options for cpu_features is Release built type with tests
disabled. To enable testing set cmake `BUILD_TESTING` variable to `ON`,
[.travis.yml](../.travis.yml) and [appveyor.yml](../appveyor.yml) have up to
date examples.