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Prefer new POSIX 200x interfaces over futimesat. * m4/utimens.m4 (gl_UTIMENS): Check for futimens, utimensat. * lib/utimens.c (gl_futimens): Use them for nanosecond resolution when available. [HAVE_BUGGY_NFS_TIME_STAMPS]: Allow C89 compilation. Signed-off-by: Eric Blake <ebb9@byu.net>
author Eric Blake <ebb9@byu.net>
date Wed, 28 May 2008 21:29:02 -0600
parents 2a56883a6335
children 899dd13e9f8b
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dnl Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008 Free Software
dnl 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.

dnl serial 2

AC_DEFUN([gl_UTIMENS],
[
  AC_LIBOBJ([utimens])

  dnl Prerequisites of lib/utimens.c.
  AC_REQUIRE([gl_FUNC_UTIMES])
  AC_REQUIRE([gl_CHECK_TYPE_STRUCT_TIMESPEC])
  AC_REQUIRE([gl_CHECK_TYPE_STRUCT_UTIMBUF])
  AC_CHECK_FUNCS_ONCE([futimes futimesat futimens utimensat])
])