X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=m4%2Ftcgetsid.m4;h=5dc98c935a43fbe87269894af2d90bd2f5b26945;hb=4596125141aeea905bd7ed1a8768f11db7402e41;hp=f8ab91e21dee13057fed7e7f3a6a65dffc02fa13;hpb=d599e5add275f75ed08e6527b8ee4d3f4f7c3aea;p=gnulib.git

diff --git a/m4/tcgetsid.m4 b/m4/tcgetsid.m4
index f8ab91e21..5dc98c935 100644
--- a/m4/tcgetsid.m4
+++ b/m4/tcgetsid.m4
@@ -1,4 +1,4 @@
-# tcgetsid.m4 serial 2
+# tcgetsid.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,
@@ -11,15 +11,16 @@ AC_DEFUN([gl_FUNC_TCGETSID],
   dnl Persuade glibc <termios.h> to declare tcgetsid().
   AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])
 
-  AC_CHECK_DECLS_ONCE([tcgetsid])
+  AC_CHECK_DECLS([tcgetsid], , , [[#include <termios.h>]])
   if test $ac_cv_have_decl_tcgetsid = no; then
     HAVE_DECL_TCGETSID=0
   fi
 
   AC_CHECK_FUNCS([tcgetsid])
-  if test $ac_cv_func_tcgetsid = no; then
-    AC_LIBOBJ([tcgetsid])
-    gl_PREREQ_TCGETSID
+  if test $ac_cv_func_tcgetsid = yes; then
+    HAVE_TCGETSID=1
+  else
+    HAVE_TCGETSID=0
   fi
 ])