X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;ds=sidebyside;f=m4%2Ftermios_h.m4;h=33a2358f6120792b620b71759f10f7ad3c51a70a;hb=7d5b0f431933f7141082fbffa8e9d2afc6d27137;hp=8bf8448fd129664a639c047b2963bdabadf228f0;hpb=d60f3b0c6b0f93a601acd1cfd3923f94ca05abb0;p=gnulib.git

diff --git a/m4/termios_h.m4 b/m4/termios_h.m4
index 8bf8448fd..33a2358f6 100644
--- a/m4/termios_h.m4
+++ b/m4/termios_h.m4
@@ -1,4 +1,4 @@
-# termios_h.m4 serial 2
+# termios_h.m4 serial 4
 dnl Copyright (C) 2010-2011 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -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.