Test for __fpending function.

[gnulib.git] / m4 / readutmp.m4

diff --git a/m4/readutmp.m4 b/m4/readutmp.m4
index 2e520cd..eb6369f 100644 (file)
--- a/m4/readutmp.m4
+++ b/m4/readutmp.m4
@@ -1,4 +1,4 @@
-# readutmp.m4 serial 13
+# readutmp.m4 serial 14
 dnl Copyright (C) 2002-2007 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -7,7 +7,7 @@ dnl with or without modifications, as long as this notice is preserved.
 AC_DEFUN([gl_READUTMP],
 [
   dnl Persuade utmpx.h to declare utmpxname
-  AC_REQUIRE([AC_GNU_SOURCE])
+  AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])
 
   AC_CHECK_HEADERS_ONCE(utmp.h utmpx.h)
   if test $ac_cv_header_utmp_h = yes || test $ac_cv_header_utmpx_h = yes; then