Imported Debian patch 1.3.12-1

[gzip] / m4 / stat-time.m4

diff --git a/m4/stat-time.m4 b/m4/stat-time.m4
index 1e46a09fe4fdd4bafde2e35fd910663fb4301ad2..84dc26f4ac32c06e13878e4fbfaa3c2e60f65ebd 100644 (file)
--- a/m4/stat-time.m4
+++ b/m4/stat-time.m4
@@ -1,6 +1,6 @@
 # Checks for stat-related time functions.
 
-# Copyright (C) 1998, 1999, 2001, 2003, 2005, 2006 Free Software
+# Copyright (C) 1998, 1999, 2001, 2003, 2005, 2006, 2007 Free Software
 # Foundation, Inc.
 
 # This file is free software; the Free Software Foundation
@@ -9,16 +9,19 @@
 
 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],
@@ -26,17 +29,11 @@ AC_DEFUN([gl_STAT_TIME],
        [AC_TRY_COMPILE(
          [
            #include <sys/types.h>
-           #if TIME_WITH_SYS_TIME
+           #include <sys/stat.h>
+           #if HAVE_SYS_TIME_H
            # 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>
+           #include <time.h>
            struct timespec ts;
            struct stat st;
          ],
@@ -47,16 +44,12 @@ AC_DEFUN([gl_STAT_TIME],
          [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
+        [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], [],
-            [AC_CHECK_MEMBERS([struct stat.st_spare1], [],
-               [],
-               [#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>
@@ -66,3 +59,27 @@ AC_DEFUN([gl_STAT_TIME],
     [#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([AC_C_INLINE])
+  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/types.h>
+     #include <sys/stat.h>])
+])