maint: update all copyright year number ranges

[gnulib.git] / m4 / tcgetsid.m4

diff --git a/m4/tcgetsid.m4 b/m4/tcgetsid.m4
index 11dcc3d..02b7085 100644 (file)
--- a/m4/tcgetsid.m4
+++ b/m4/tcgetsid.m4
@@ -1,5 +1,5 @@
-# tcgetsid.m4 serial 1
-dnl Copyright (C) 2010 Free Software Foundation, Inc.
+# tcgetsid.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.
@@ -11,11 +11,16 @@ AC_DEFUN([gl_FUNC_TCGETSID],
   dnl Persuade glibc <termios.h> to declare tcgetsid().
   AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])
 
+  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
+  if test $ac_cv_func_tcgetsid = yes; then
+    HAVE_TCGETSID=1
+  else
     HAVE_TCGETSID=0
-    AC_LIBOBJ([tcgetsid])
-    gl_PREREQ_TCGETSID
   fi
 ])