pty: Activate the signature wrapper of forkpty.

[gnulib.git] / m4 / pty.m4

diff --git a/m4/pty.m4 b/m4/pty.m4
index f889831..7184d23 100644 (file)
--- a/m4/pty.m4
+++ b/m4/pty.m4
@@ -1,4 +1,4 @@
-# pty.m4 serial 12
+# pty.m4 serial 13
 dnl Copyright (C) 2010-2013 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -72,6 +72,8 @@ AC_DEFUN([gl_FUNC_FORKPTY],
     dnl The system does not have forkpty.
     HAVE_FORKPTY=0
   fi
+  AC_DEFINE_UNQUOTED([HAVE_FORKPTY], [$HAVE_FORKPTY],
+    [Define to 1 if the system has the 'forkpty' function.])
 ])
 
 AC_DEFUN([gl_FUNC_OPENPTY],