@ -379,7 +379,7 @@ AC_TYPE_SIGNAL
dnl Check for a few libraries and headers:
AC_HEADER_DIRENT
AC_CHECK_HEADERS(ctype.h unistd.h pwd.h fcntl.h string.h)
AC_CHECK_HEADERS(ctype.h unistd.h pwd.h fcntl.h string.h sys/ioctl.h stropts.h)
AC_HEADER_SYS_WAIT
AC_HEADER_STAT