Merge commit 'a39d4083cab589d7cd6a13e8a4b8db8875261d75'

[gnulib.git] / m4 / termios_h.m4

diff --git a/m4/termios_h.m4 b/m4/termios_h.m4
index 8bf8448..f8e4458 100644 (file)
--- a/m4/termios_h.m4
+++ b/m4/termios_h.m4
@@ -1,5 +1,5 @@
-# termios_h.m4 serial 2
-dnl Copyright (C) 2010-2011 Free Software Foundation, Inc.
+# termios_h.m4 serial 4
+dnl Copyright (C) 2010-2014 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.
@@ -11,12 +11,13 @@ AC_DEFUN([gl_TERMIOS_H],
   AC_REQUIRE([gl_TERMIOS_H_DEFAULTS])
 
   gl_CHECK_NEXT_HEADERS([termios.h])
-
-  AC_CHECK_HEADERS_ONCE([termios.h])
   if test $ac_cv_header_termios_h != yes; then
     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.