CMAKE_EXPORT_PACKAGE_REGISTRY
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Cmake/docs/3.21/variable/cmake export package registry
CMAKE_EXPORT_PACKAGE_REGISTRY
New in version 3.15.
Enables the export(PACKAGE) command when CMP0090 is set to NEW
.
The export(PACKAGE) command does nothing by default. In some cases it is desirable to write to the user package registry, so the CMAKE_EXPORT_PACKAGE_REGISTRY
variable may be set to enable it.
If CMP0090 is not set to NEW
this variable does nothing, and the CMAKE_EXPORT_NO_PACKAGE_REGISTRY variable controls the behavior instead.
See also Disabling the Package Registry.
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https://cmake.org/cmake/help/v3.21/variable/CMAKE_EXPORT_PACKAGE_REGISTRY.html