-IF (EXISTS "${CMAKE_SOURCE_DIR}/libext6.a")
- ADD_LIBRARY(ext6 STATIC IMPORTED)
- SET_PROPERTY(TARGET ext6 PROPERTY IMPORTED_LOCATION "${CMAKE_SOURCE_DIR}/libext6.a")
- LIST(APPEND ext_libs ext6)
+IF (NOT DISABLE_IPV6)
+ IF (EXISTS "${CMAKE_SOURCE_DIR}/libext6.a")
+ ADD_LIBRARY(ext6 STATIC IMPORTED)
+ SET_PROPERTY(TARGET ext6 PROPERTY IMPORTED_LOCATION "${CMAKE_SOURCE_DIR}/libext6.a")
+ LIST(APPEND ext_libs ext6)
+ ENDIF()
+ LIST(APPEND iptc_libs ip6tc)
+ELSE()
+ ADD_DEFINITIONS(-DDISABLE_IPV6)