CMake/Help/prop_tgt/INTERFACE_COMPILE_FEATURES.rst

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INTERFACE_COMPILE_FEATURES
--------------------------
List of public compile requirements for a library.
Targets may populate this property to publish the compiler features
required to compile against the headers for the target. Consuming
targets can add entries to their own :prop_tgt:`COMPILE_FEATURES`
property such as ``$<TARGET_PROPERTY:foo,INTERFACE_COMPILE_FEATURES>``
to require the features specified in the interface of ``foo``.
Contents of ``INTERFACE_COMPILE_FEATURES`` may use "generator expressions"
with the syntax ``$<...>``. See the :manual:`cmake-generator-expressions(7)`
manual for available expressions.