# Checks for stat-related time functions.
-# Copyright (C) 1998, 1999, 2001, 2003, 2005 Free Software Foundation, Inc.
+# Copyright (C) 1998, 1999, 2001, 2003, 2005, 2006, 2007 Free Software
+# Foundation, Inc.
+
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
# with or without modifications, as long as this notice is preserved.
AC_DEFUN([gl_STAT_TIME],
[
- AC_LIBSOURCES([stat-time.h])
-
AC_REQUIRE([AC_C_INLINE])
AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
+ AC_CHECK_HEADERS_ONCE([sys/time.h])
- AC_CHECK_MEMBERS([struct stat.st_atim.tv_nsec], [],
+ AC_CHECK_MEMBERS([struct stat.st_atim.tv_nsec],
+ [AC_CACHE_CHECK([whether struct stat.st_atim is of type struct timespec],
+ [ac_cv_typeof_struct_stat_st_atim_is_struct_timespec],
+ [AC_TRY_COMPILE(
+ [
+ #include <sys/types.h>
+ #include <sys/stat.h>
+ #if HAVE_SYS_TIME_H
+ # include <sys/time.h>
+ #endif
+ #include <time.h>
+ struct timespec ts;
+ struct stat st;
+ ],
+ [
+ st.st_atim = ts;
+ ],
+ [ac_cv_typeof_struct_stat_st_atim_is_struct_timespec=yes],
+ [ac_cv_typeof_struct_stat_st_atim_is_struct_timespec=no])])
+ if test $ac_cv_typeof_struct_stat_st_atim_is_struct_timespec = yes; then
+ AC_DEFINE([TYPEOF_STRUCT_STAT_ST_ATIM_IS_STRUCT_TIMESPEC], 1,
+ [Define to 1 if the type of the st_atim member of a struct stat is
+ struct timespec.])
+ fi],
[AC_CHECK_MEMBERS([struct stat.st_atimespec.tv_nsec], [],
[AC_CHECK_MEMBERS([struct stat.st_atimensec], [],
[AC_CHECK_MEMBERS([struct stat.st_atim.st__tim.tv_nsec], [],