X-Git-Url: https://erislabs.net/gitweb/?a=blobdiff_plain;ds=sidebyside;f=m4%2Ftermios_h.m4;h=d712be3c1902e3c77c21b84d83388e86b19ac6c6;hb=a0f402b76e57d57abd1961f20683a25d46179297;hp=2b799efb49fbbd15fe40cbf002d7dccee765ecca;hpb=8397b02df89ed84cd54959cc2dbc1bb1852cfee9;p=gnulib.git

diff --git a/m4/termios_h.m4 b/m4/termios_h.m4
index 2b799efb4..d712be3c1 100644
--- a/m4/termios_h.m4
+++ b/m4/termios_h.m4
@@ -1,5 +1,5 @@
-# termios_h.m4 serial 3
-dnl Copyright (C) 2010-2011 Free Software Foundation, Inc.
+# termios_h.m4 serial 4
+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,
 dnl with or without modifications, as long as this notice is preserved.
@@ -15,6 +15,9 @@ AC_DEFUN([gl_TERMIOS_H],
     HAVE_TERMIOS_H=0
   fi
 
+  dnl Ensure the type pid_t gets defined.
+  AC_REQUIRE([AC_TYPE_PID_T])
+
   dnl Check for declarations of anything we want to poison if the
   dnl corresponding gnulib module is not in use, and which is not
   dnl guaranteed by C89.