cmake_minimum_required(VERSION 2.8.3)
project(L3ROAMD C)

INCLUDE(FindPkgConfig)
IF(NOT PKG_CONFIG_FOUND)
	MESSAGE(FATAL_ERROR "Error: pkg-config not found on this system")
ENDIF(NOT PKG_CONFIG_FOUND)

MESSAGE(STATUS "")
MESSAGE(STATUS "Configuring libnl ...")

PKG_SEARCH_MODULE(LIBNL-TINY libnl-tiny)
IF(LIBNL-TINY_FOUND)
  INCLUDE_DIRECTORIES(${LIBNL-TINY_INCLUDE_DIRS})
  LINK_DIRECTORIES(${LIBNL-TINY_LIBRARY_DIRS})
  SET(LIBNL_LIBRARIES ${LIBNL-TINY_LIBRARIES})
ELSE(LIBNL-TINY_FOUND)
  PKG_SEARCH_MODULE(LIBNL libnl>=2.0 libnl-2.0 libnl-2)
  IF(LIBNL_FOUND)
    INCLUDE_DIRECTORIES(${LIBNL_INCLUDE_DIRS})
    LINK_DIRECTORIES(${LIBNL_LIB_DIRS})
    LIST(APPEND LIBNL_LIBRARIES
      nl-genl
    )
  ELSE(LIBNL_FOUND)
    PKG_SEARCH_MODULE(LIBNL3 libnl-3 libnl-3.0 libnl-3.1)
    IF(LIBNL3_FOUND)
      INCLUDE_DIRECTORIES(${LIBNL3_INCLUDE_DIRS})
      LINK_DIRECTORIES(${LIBNL3_LIB_DIRS})
      SET(LIBNL_LIBRARIES ${LIBNL3_LIBRARIES})

          #############################################################
      MESSAGE(STATUS "")
      MESSAGE(STATUS "Configuring libnl-genl ...")

      PKG_SEARCH_MODULE(LIBNL_GENL libnl-genl>=2.0 libnl-genl-3 libnl-genl-3.0 libnl-genl-3.1)
      IF(LIBNL_GENL_FOUND)
        INCLUDE_DIRECTORIES(${LIBNL_GENL_INCLUDE_DIRS})
        LINK_DIRECTORIES(${LIBNL_GENL_LIB_DIRS})
      ELSEIF(LIBNL_GENL_FOUND)
        MESSAGE(FATAL_ERROR "Error: libnl-genl not found")
      ENDIF(LIBNL_GENL_FOUND)
    ELSE(LIBNL3_FOUND)
      MESSAGE(FATAL_ERROR "Error: libnl and libnl-genl not found")
    ENDIF(LIBNL3_FOUND)
  ENDIF(LIBNL_FOUND)
ENDIF(LIBNL-TINY_FOUND)

set(CMAKE_MODULE_PATH ${L3ROAMD_SOURCE_DIR})

add_subdirectory(src)