# Checks for stat-related time functions.
-# Copyright (C) 1998, 1999, 2001, 2003, 2005, 2006 Free Software
+# Copyright (C) 1998-1999, 2001, 2003, 2005-2007, 2009-2013 Free Software
# Foundation, Inc.
# This file is free software; the Free Software Foundation
dnl From Paul Eggert.
-# st_atim.tv_nsec - Linux, Solaris
-# st_atimespec.tv_nsec - FreeBSD, if ! defined _POSIX_SOURCE
-# st_atimensec - FreeBSD, if defined _POSIX_SOURCE
+# st_atim.tv_nsec - Linux, Solaris, Cygwin
+# st_atimespec.tv_nsec - FreeBSD, NetBSD, if ! defined _POSIX_SOURCE
+# st_atimensec - FreeBSD, NetBSD, if defined _POSIX_SOURCE
# st_atim.st__tim.tv_nsec - UnixWare (at least 2.1.2 through 7.1)
-# st_spare1 - Cygwin?
+
+# st_birthtimespec - FreeBSD, NetBSD (hidden on OpenBSD 3.9, anyway)
+# st_birthtim - Cygwin 1.7.0+
AC_DEFUN([gl_STAT_TIME],
[
- 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_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>
- #if TIME_WITH_SYS_TIME
- # include <sys/time.h>
- # include <time.h>
- #else
- # if HAVE_SYS_TIME_H
- # include <sys/time.h>
- # else
- # include <time.h>
- # endif
- #endif
- #include <sys/stat.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])])
+ [AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
+ [[
+ #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,
+ 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.])
+ 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], [],
- [AC_CHECK_MEMBERS([struct stat.st_spare1], [],
- [],
- [#include <sys/types.h>
- #include <sys/stat.h>])],
- [#include <sys/types.h>
- #include <sys/stat.h>])],
- [#include <sys/types.h>
- #include <sys/stat.h>])],
+ [AC_CHECK_MEMBERS([struct stat.st_atim.st__tim.tv_nsec], [], [],
+ [#include <sys/types.h>
+ #include <sys/stat.h>])],
+ [#include <sys/types.h>
+ #include <sys/stat.h>])],
+ [#include <sys/types.h>
+ #include <sys/stat.h>])],
+ [#include <sys/types.h>
+ #include <sys/stat.h>])
+])
+
+# Check for st_birthtime, a feature from UFS2 (FreeBSD, NetBSD, OpenBSD, etc.)
+# and NTFS (Cygwin).
+# There was a time when this field was named st_createtime (21 June
+# 2002 to 16 July 2002) But that window is very small and applied only
+# to development code, so systems still using that configuration are
+# not supported. See revisions 1.10 and 1.11 of FreeBSD's
+# src/sys/ufs/ufs/dinode.h.
+#
+AC_DEFUN([gl_STAT_BIRTHTIME],
+[
+ AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
+ AC_CHECK_HEADERS_ONCE([sys/time.h])
+ AC_CHECK_MEMBERS([struct stat.st_birthtimespec.tv_nsec], [],
+ [AC_CHECK_MEMBERS([struct stat.st_birthtimensec], [],
+ [AC_CHECK_MEMBERS([struct stat.st_birthtim.tv_nsec], [], [],
+ [#include <sys/types.h>
+ #include <sys/stat.h>])],
[#include <sys/types.h>
- #include <sys/stat.h>])],
+ #include <sys/stat.h>])],
[#include <sys/types.h>
#include <sys/stat.h>])
])