GNU bug report logs - #9140
[du] broken on OSX 10.7 (Lion) for >4TB file systems

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From: Bruno Haible <bruno <at> clisp.org>
To: bug-gnulib <at> gnu.org
Cc: 9140 <at> debbugs.gnu.org, Paul Eggert <eggert <at> cs.ucla.edu>, Herb Wartens <hawartens <at> gmail.com>
Subject: bug#9140: fsusage: add large volume support on glibc/Hurd, HP-UX 11, Solaris, MacOS X
Date: Sat, 23 Jul 2011 16:32:37 +0200

> 1) To require AC_SYS_LARGEFILE, and a module dependency to 'largefile'.
>    This will make statvfs() use a 64-bit f_blocks on
>    glibc/Hurd, MacOS X >= 10.4, HP-UX, Solaris.

Here's the first proposed patch. I verified that

- on HP-UX 11.00 and 11.31, Solaris 7 and 10, it causes statvfs() to be used
  again:
    checking for statvfs function (SVR4)... no
  becomes
    checking for statvfs function (SVR4)... yes
  Since the check_f_blocks_size is in place, it proves that this causes
  f_blocks to be 64-bit.

- on MacOS X 10.5, it causes fsusage.o to call statfs$INODE64 instead of
  statfs, thus also supporting large volumes.


2011-07-23  Bruno Haible  <bruno <at> clisp.org>

	fsusage: Enable large volume support on glibc/Hurd, HP-UX, Solaris, MacOS X.
	* m4/fsusage.m4 (gl_FILE_SYSTEM_USAGE): Require AC_SYS_LARGEFILE.
	* modules/fsusage (Depends-on): Add largefile.

--- m4/fsusage.m4.orig	Sat Jul 23 16:25:19 2011
+++ m4/fsusage.m4	Sat Jul 23 16:24:57 2011
@@ -1,4 +1,4 @@
-# serial 28
+# serial 29
 # Obtaining file system usage information.
 
 # Copyright (C) 1997-1998, 2000-2001, 2003-2011 Free Software Foundation, Inc.
@@ -29,6 +29,12 @@
 
 AC_DEFUN([gl_FILE_SYSTEM_USAGE],
 [
+dnl Enable large-file support. This has the effect of changing the size
+dnl of field f_blocks in 'struct statvfs' from 32 bit to 64 bit on
+dnl glibc/Hurd, HP-UX 11, Solaris (32-bit mode). It also changes the size
+dnl of field f_blocks in 'struct statfs' from 32 bit to 64 bit on
+dnl MacOS X >= 10.5 (32-bit mode).
+AC_REQUIRE([AC_SYS_LARGEFILE])
 
 AC_MSG_NOTICE([checking how to get file system space usage])
 ac_fsusage_space=no
--- modules/fsusage.orig	Sat Jul 23 16:25:19 2011
+++ modules/fsusage	Sat Jul 23 16:06:17 2011
@@ -7,6 +7,7 @@
 m4/fsusage.m4
 
 Depends-on:
+largefile
 stdbool
 stdint
 full-read       [test $gl_cv_fs_space = yes]
-- 
In memoriam Adam Czerniaków <http://en.wikipedia.org/wiki/Adam_Czerniaków>

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