dnl Shamelessly cloned from acspecific.m4's AC_FUNC_UTIME_NULL.
AC_DEFUN(jm_FUNC_UTIMES_NULL,
[AC_CACHE_CHECK(whether utimes accepts a null argument, ac_cv_func_utimes_null,
[rm -f conftestdata; > conftestdata
dnl Shamelessly cloned from acspecific.m4's AC_FUNC_UTIME_NULL.
AC_DEFUN(jm_FUNC_UTIMES_NULL,
[AC_CACHE_CHECK(whether utimes accepts a null argument, ac_cv_func_utimes_null,
[rm -f conftestdata; > conftestdata