-#AC_CHECK_HEADER(readline.h)
-#AC_CHECK_LIB(readline, rl_initialize)
-# AC_CHECK_HEADER(popt.h)
-# AC_CHECK_LIB(popt, poptGetNextOpt)
-#AC_CHECK_HEADER(pthread.h)
+AC_CHECK_HEADERS([linux/version.h popt.h fcntl.h inttypes.h stdlib.h sys/ioctl.h sys/time.h termios.h unistd.h])
+AC_CHECK_LIB(popt, poptGetNextOpt)