cmake ZMQ_HAVE_SO_BINDTODEVICE examples

zeromq/libzmq builds/cmake/Modules/ZMQSourceRunChecks.cmake :53 

check_c_source_runs(
"
#include <sys/socket.h>

int main(int argc, char *argv [])
{
/* Actually making the setsockopt() call requires CAP_NET_RAW */
#ifndef SO_BINDTODEVICE
    return 1;
#else
    return 0;
#endif
}
"
    ZMQ_HAVE_SO_BINDTODEVICE)

asset-group/5ghoul-5g-nr-attacks libs/libzmq/builds/cmake/Modules/ZMQSourceRunChecks.cmake :53 

check_c_source_runs(
"
#include <sys/socket.h>

int main(int argc, char *argv [])
{
/* Actually making the setsockopt() call requires CAP_NET_RAW */
#ifndef SO_BINDTODEVICE
    return 1;
#else
    return 0;
#endif
}
"
    ZMQ_HAVE_SO_BINDTODEVICE)