Thank for your reply.
I've also tried the configure option - '--enable-debug-sync',
but it cannot work with message - ' configure: WARNING: unrecognized
options: --enable-debug-sync '.
I've also tried configure option - '--with-debug=full',
it can configure and no-warring message.
When i completed total install operation,
it still cannot support the system variable - DEBUG_SYNC.
I tried use the url -
'http://forge.mysql.com/wiki/MySQL_Internals_Test_Synchronization#Debug_Sync_Implementation'
and tried other related webpage, but it still cannot work.
I not found the file - include/have_debug_sync.inc,
so i build it myself - reference older version.
It still cannot work.
I guess that mysql don't support the system variable - 'DEBUG_SYNC',
but i'm not sure that thinking is correct.
Thank you very much.
----- Original Message -----
From: "Joerg Bruehe" <joerg.bru...@sun.com>
To: "Meng-Ju, Hsieh" <mjhs...@iis.sinica.edu.tw>
Cc: <mysql@lists.mysql.com>
Sent: Saturday, May 22, 2010 12:35 AM
Subject: Re: Mysqltest Unknown system variable, failed: 1193
Hi!
Meng-Ju, Hsieh wrote:
Thank for your reply.
I've tried to use Version 5.1, but it cannot work.
Did you have used the system variable - 'DEBUG_SYNC' ?
I don't know what you are doing exactly, but I guess you are not using
the correct options in your call to "configure".
"DEBUG_SYNC" is a tool used for internal debugging, and according to
"configure.in" it requires the server to be configured for debugging
initially - see these lines from current 5.1 "configure.in":
1732 # Debug Sync Facility. NOTE: depends on 'with_debug'. Must be
behind it.
1733 AC_MSG_CHECKING(if Debug Sync Facility should be enabled.)
1734 AC_ARG_ENABLE(debug_sync,
1735 AS_HELP_STRING([--enable-debug-sync],
1736 [Build a version with Debug Sync
Facility]),
1737 [ enable_debug_sync=$enableval ],
1738 [ enable_debug_sync=$with_debug ])
1739
1740 if test "$enable_debug_sync" != "no"
1741 then
1742 AC_DEFINE([ENABLED_DEBUG_SYNC], [1],
1743 [If Debug Sync Facility should be enabled])
1744 AC_MSG_RESULT([yes])
1745 else
1746 AC_MSG_RESULT([no])
1747 fi
So you need to use
configure ... --with-debug ... --enable-debug-sync ...
if you really want to do something using "DEBUG_SYNC".
I noticed that the text in the Wiki reads a bit different, I can't tell
which one is right. I myself don't need "DEBUG_SYNC" in my work.
Regards,
Jörg
--
Joerg Bruehe, MySQL Build Team, joerg.bru...@sun.com
Sun Microsystems GmbH, Komturstrasse 18a, D-12099 Berlin
Geschaeftsfuehrer: Juergen Kunz
Amtsgericht Muenchen: HRB161028
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