FC_WINSOCK2_INCLUDE comment claims that macro sets HAVE_WINSOCK2
FC_WINSOCK2_INCLUDE does not have side-effects not passed in as ACTION-IF-FOUND or ACTION-IF-NOT-FOUND. Still, comment there claims it sets HAVE_WINSOCK2 if winsock2.h is found.
FC_WINSOCK2_INCLUDE does not have side-effects not passed in as ACTION-IF-FOUND or ACTION-IF-NOT-FOUND. Still, comment there claims it sets HAVE_WINSOCK2 if winsock2.h is found.