udp_echo_client = executable( 'udp_echo_client', 'UDPEchoClient.c', common_src, include_directories: [ common_include ], c_args: [ c_args, '-D_POSIX_C_SOURCE=200112L' # For getaddrinfo ] ) udp_echo_server = executable( 'udp_echo_server', 'UDPEchoServer.c', common_src, include_directories: [ common_include ], c_args: [ c_args, '-D_POSIX_C_SOURCE=200112L' # For getaddrinfo ] )