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The user package registry populated by the `export()` command causes side effects outside the build and source directories. Such effects should be opt-in rather than op-out. Introduce a policy to change default behavior of `export(PACKAGE)` to do nothing.
16 lines
576 B
ReStructuredText
16 lines
576 B
ReStructuredText
CMAKE_EXPORT_PACKAGE_REGISTRY
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Enables the :command:`export(PACKAGE)` command when :policy:`CMP0090`
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is set to ``NEW``.
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The :command:`export(PACKAGE)` command does nothing by default. In some cases
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it is desirable to write to the user package registry, so the
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``CMAKE_EXPORT_PACKAGE_REGISTRY`` variable may be set to enable it.
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If :policy:`CMP0090` is *not* set to ``NEW`` this variable does nothing, and
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the :variable:`CMAKE_EXPORT_NO_PACKAGE_REGISTRY` variable controls the behavior
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instead.
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See also :ref:`Disabling the Package Registry`.
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