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29 lines
1.4 KiB
29 lines
1.4 KiB
CMAKE_DISABLE_FIND_PACKAGE_<PackageName>
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Variable for disabling :command:`find_package` calls.
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Every non-``REQUIRED`` :command:`find_package` call in a project can be
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disabled by setting the variable
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``CMAKE_DISABLE_FIND_PACKAGE_<PackageName>`` to ``TRUE``.
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This can be used to build a project without an optional package,
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although that package is installed.
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This switch should be used during the initial CMake run. Otherwise if
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the package has already been found in a previous CMake run, the
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variables which have been stored in the cache will still be there. In
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that case it is recommended to remove the cache variables for this
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package from the cache using the cache editor or :option:`cmake -U`.
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Note that this variable can lead to inconsistent results within the project.
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Consider the case where a dependency is requested via :command:`find_package`
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from two different places within the project. If the first call does not
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have the ``REQUIRED`` keyword, it will not find the dependency when
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``CMAKE_DISABLE_FIND_PACKAGE_<PackageName>`` is set to true for that
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dependency. The project will proceed under the assumption that the dependency
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isn't available. If the second call elsewhere in the project *does* have the
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``REQUIRED`` keyword, it can succeed. Two different parts of the same project
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have then seen opposite results for the same dependency.
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See also the :variable:`CMAKE_REQUIRE_FIND_PACKAGE_<PackageName>` variable.
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