-# readutmp.m4 serial 13
-dnl Copyright (C) 2002-2007 Free Software Foundation, Inc.
+# readutmp.m4 serial 16
+dnl Copyright (C) 2002-2010 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.
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)
+ AC_CHECK_HEADERS_ONCE([utmp.h utmpx.h])
if test $ac_cv_header_utmp_h = yes || test $ac_cv_header_utmpx_h = yes; then
AC_LIBOBJ([readutmp])
dnl Prerequisites of lib/readutmp.h and lib/readutmp.c.
AC_REQUIRE([AC_C_INLINE])
- AC_REQUIRE([gl_FUNC_FREE])
- AC_CHECK_FUNCS_ONCE(utmpname utmpxname)
- AC_CHECK_DECLS(getutent,,,[
+ AC_CHECK_FUNCS_ONCE([utmpname utmpxname])
+ AC_CHECK_DECLS([getutent],,,[
#ifdef HAVE_UTMP_H
# include <utmp.h>
#endif