New in version 3.23.

Semicolon-separated list of files in the target's <NAME> header set, which has the set type HEADERS. If any of the paths are relative, they are computed relative to the target's source directory. The property supports generator expressions.

This property is normally only set by target_sources(FILE_SET) rather than being manipulated directly.

See HEADER_SET for the list of files in the default header set. See HEADER_SETS for the file set names of all header sets.