Generate an export header.
Merge topic 'INTERFACE_LINK_LIBRARIES-prop' into next

f236ef9 Generate an export header.
Export: Generate INTERFACE_LINK_LIBRARIES property on targets.

This property is generated only for targets which have recorded
policy CMP0022 as NEW, and a compatibility mode is added to
additionally export the old interfaces in that case too.
Merge topic 'INTERFACE_LINK_LIBRARIES-prop' into next

28fe631 Export: Generate INTERFACE_LINK_LIBRARIES property on targets.
Also test that install(EXPORT) works.
Merge topic 'INTERFACE_LINK_LIBRARIES-prop' into next

1978134 Also test that install(EXPORT) works.
Export: Generate INTERFACE_LINK_LIBRARIES property on targets.

This property is generated only for targets which have recorded
policy CMP0022 as NEW, and a compatibility mode is added to
additionally export the old interfaces in that case too.
Merge topic 'INTERFACE_LINK_LIBRARIES-prop' into next

a382353 Export: Generate INTERFACE_LINK_LIBRARIES property on targets.