X-Git-Url: https://erislabs.net/gitweb/?a=blobdiff_plain;f=m4%2Ftermios_h.m4;h=d712be3c1902e3c77c21b84d83388e86b19ac6c6;hb=da8054d48dc22e1c051db54049e005d51a006e69;hp=1641cb82d5221053abc17b4fe5d398158b509a42;hpb=975bf7fd712baa9a21ce6453e88593065e6c1bb9;p=gnulib.git

diff --git a/m4/termios_h.m4 b/m4/termios_h.m4
index 1641cb82d..d712be3c1 100644
--- a/m4/termios_h.m4
+++ b/m4/termios_h.m4
@@ -1,5 +1,5 @@
-# termios_h.m4 serial 2
-dnl Copyright (C) 2010 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.
@@ -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.