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# INTERFACE_COMPILE_DEFINITIONS

List of public compile definitions requirements for a library.

Targets may populate this property to publish the compile definitions required to compile against the headers for the target. The `target_compile_definitions()` command populates this property with values given to the `PUBLIC` and `INTERFACE` keywords. Projects may also get and set the property directly.

When target dependencies are specified using `target_link_libraries()`, CMake will read this property from all target dependencies to determine the build properties of the consumer.

Contents of `INTERFACE_COMPILE_DEFINITIONS` may use “generator expressions” with the syntax `$<...>`. See the `cmake-generator-expressions(7)` manual for available expressions. See the `cmake-buildsystem(7)` -manual for more on defining buildsystem properties.

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