SOURCES ------- This specifies the list of paths to sources for the file set. The :command:`target_sources` command sets or adds to the ``SOURCES`` file set property for the file sets defined with the ``PRIVATE`` or ``PUBLIC`` keyword and is the usual way to manipulate it. Contents of ``SOURCES`` may use :manual:`generator expressions `. Each file must be in one of the base directories, or a subdirectory of one of the base directories. If relative paths are specified, they are considered relative to the target's source directory. The following behavior applies for the ``SOURCES`` and :prop_fs:`INTERFACE_SOURCES` file set properties, dependent on the value of the :prop_fs:`SCOPE` file set property: ``PRIVATE`` Only the ``SOURCES`` property can be set. Any change to the :prop_fs:`INTERFACE_SOURCES` property will be ignored. ``PUBLIC`` ``SOURCES`` and :prop_fs:`INTERFACE_SOURCES` properties will always have the same content. ``INTERFACE`` Only the :prop_fs:`INTERFACE_SOURCES` property can be set. Any change to ``SOURCES`` property will be ignored.