arkdb/arkproxy
plugin/auth_socket/CMakeLists.txt
:45
CHECK_CXX_SOURCE_COMPILES(
"#include <sys/types.h>
#include <sys/socket.h>
#include <sys/un.h>
#include <sys/ucred.h>
int main() {
struct xucred cred;
getsockopt(0, 0, LOCAL_PEERCRED, &cred, 0);
}" HAVE_XUCRED)