cmake HAVE_LINUX_IF_H examples

shadowsocks/shadowsocks-libev cmake/configure.cmake :37 

check_include_files(linux/if.h HAVE_LINUX_IF_H)

ShadowsocksR-Live/shadowsocksr-native cmake/configure.cmake :43 

check_include_files ( "linux/if.h" HAVE_LINUX_IF_H )