cmake ZMQ_HAVE_IPC examples

zeromq/libzmq CMakeLists.txt :513 

check_include_files("winsock2.h;afunix.h" ZMQ_HAVE_IPC)

asset-group/5ghoul-5g-nr-attacks libs/libzmq/CMakeLists.txt :472 

check_include_files("winsock2.h;afunix.h" ZMQ_HAVE_IPC)