1cmake_policy(SET CMP0076 NEW)
2include_directories(Inc1 Inc2)
3add_library(iface INTERFACE)
4target_sources(iface PRIVATE iface.c)
5# Ensure the INCLUDE_DIRECTORIES property is populated.
6# Since interface libraries do not actually compile anything, this should be ignored.
7set_property(TARGET iface APPEND PROPERTY INCLUDE_DIRECTORIES ${CMAKE_CURRENT_SOURCE_DIR}/Inc3 ${CMAKE_CURRENT_SOURCE_DIR}/Inc4)
8