--- a/configure.in
+++ b/configure.in
@@ -581,7 +581,7 @@ AC_CHECK_LIB(pthread, pthread_setschedpa
 
 AC_CHECK_FUNC(socket, , AC_CHECK_LIB(socket, socket))
 
-AC_CHECK_FILE(/dev/ptmx, [AC_DEFINE(HAVE_DEV_PTMX, 1, [Define if you have /dev/ptmx])])
+# AC_CHECK_FILE(/dev/ptmx, [AC_DEFINE(HAVE_DEV_PTMX, 1, [Define if you have /dev/ptmx])])
 AC_CHECK_LIB(util, openpty, [AC_DEFINE(HAVE_OPENPTY, 1, [Define if you have openpty()])])
 
 AC_CHECK_MEMBERS([struct tm.tm_gmtoff],,,[