AC_PROG_CC
AC_PROG_CC_C99
AC_PROG_INSTALL
+AC_CHECK_PROG([HALIBUT],[halibut],[yes],[no])
+AM_CONDITIONAL([HAVE_HALIBUT],[test "x$HALIBUT" = "xyes"])
# Checks for libraries.
AC_HEADER_DIRENT
AC_HEADER_STDC
AC_HEADER_SYS_WAIT
-AC_CHECK_HEADERS([arpa/inet.h fcntl.h features.h limits.h netinet/in.h stddef.h stdint.h stdlib.h string.h sys/ioctl.h sys/socket.h syslog.h termios.h unistd.h])
+AC_CHECK_HEADERS([assert.h arpa/inet.h ctype.h errno.h fcntl.h features.h fnmatch.h limits.h netinet/in.h pwd.h stdarg.h stddef.h stdint.h stdio.h stdlib.h string.h sys/ioctl.h sys/mman.h sys/socket.h syslog.h termios.h time.h unistd.h])
# Checks for typedefs, structures, and compiler characteristics.
AC_C_CONST
AC_FUNC_SELECT_ARGTYPES
AC_FUNC_STRFTIME
AC_FUNC_VPRINTF
-AC_CHECK_FUNCS([ftruncate fdopendir inet_ntoa lstat64 memchr munmap select socket strcasecmp strchr strcspn strerror strrchr strspn strtoul strtoull])
+
+AC_SEARCH_LIBS(connect, socket nsl)
+AC_SEARCH_LIBS(inet_ntoa, socket nsl)
+AC_SEARCH_LIBS(inet_addr, socket nsl)
+# AC_SEARCH_LIBS(gethostbyname, socket nsl resolv) # (if we used gethostbyname)
+
+AC_CHECK_FUNCS([ftruncate fdopendir lstat64 stat64 memchr munmap select socket strcasecmp strchr strcspn strerror strrchr strspn strtoul strtoull connect inet_ntoa inet_addr])
AC_CONFIG_FILES([Makefile])
AC_OUTPUT