cmake NA_OFI_HAS_FIREWALL_ADDR examples

mercury-hpc/mercury src/na/CMakeLists.txt :203

check_c_source_compiles(
    "
    #include <rdma/fi_endpoint.h>
    int main(void) {
      (void) FI_OPT_FIREWALL_ADDR;
      return 0;
    }
    "
    NA_OFI_HAS_FIREWALL_ADDR
  )