-AC_CHECK_HEADERS([fcntl.h inttypes.h limits.h malloc.h stdint.h strings.h syslog.h unistd.h \
- sys/file.h sys/ioctl.h sys/param.h sys/time.h netinet/in_systm.h])
-AC_CHECK_HEADERS([net/ethernet.h net/if.h netinet/ip.h netinet/tcp.h], [], [],
- [#include <sys/types.h>
- #include <sys/socket.h>
- #ifdef HAVE_NETINET_IN_SYSTM_H
- #include <netinet/in_systm.h>
- #endif])
+AC_CHECK_HEADERS([stdbool.h syslog.h sys/file.h sys/ioctl.h sys/mman.h sys/param.h sys/socket.h sys/time.h sys/uio.h sys/un.h sys/wait.h netdb.h arpa/inet.h])
+AC_CHECK_HEADERS([net/if.h net/if_types.h linux/if_tun.h net/if_tun.h net/if_tap.h net/ethernet.h net/if_arp.h netinet/in_systm.h netinet/in.h netinet/in6.h time.h],
+ [], [], [#include "have.h"]
+)
+AC_CHECK_HEADERS([netinet/if_ether.h netinet/ip.h netinet/ip6.h],
+ [], [], [#include "have.h"]
+)
+AC_CHECK_HEADERS([netinet/tcp.h netinet/ip_icmp.h netinet/icmp6.h],
+ [], [], [#include "have.h"]
+)