cmake HAVE_LINUX_RTNETLINK_H examples

rbfx/rbfx Source/ThirdParty/libdatachannel/deps/usrsctp/CMakeLists.txt :105 

add_definitions(-DHAVE_LINUX_RTNETLINK_H)

yanhua133/mediasoup-sfu-cpp deps/usrsctp/CMakeLists.txt :109 

add_definitions(-DHAVE_LINUX_RTNETLINK_H)

ngtcp2/ngtcp2 CMakeLists.txt :316 

check_include_file("linux/rtnetlink.h" HAVE_LINUX_RTNETLINK_H)