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From:Joerg Bruehe Date:May 21 2010 4:35pm
Subject:Re: Mysqltest Unknown system variable, failed: 1193
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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.Bruehe@stripped
Sun Microsystems GmbH,   Komturstrasse 18a,   D-12099 Berlin
Geschaeftsfuehrer: Juergen Kunz
Amtsgericht Muenchen: HRB161028

Thread
Fw: Mysqltest Unknown system variable, failed: 1193謝孟儒21 May
  • Re: Mysqltest Unknown system variable, failed: 1193Hsieh Meng-Ju21 May
  • Re: Mysqltest Unknown system variable, failed: 1193Hsieh Meng-Ju21 May
    • Re: Mysqltest Unknown system variable, failed: 1193Johan De Meersman21 May
    • Re: Mysqltest Unknown system variable, failed: 1193Joerg Bruehe21 May
  • Re: Mysqltest Unknown system variable, failed: 1193Hsieh Meng-Ju21 May
  • Re: Mysqltest Unknown system variable, failed: 1193Hsieh Meng-Ju21 May
    • Re: Mysqltest Unknown system variable, failed: 1193Joerg Bruehe21 May
  • Re: Mysqltest Unknown system variable, failed: 1193Hsieh Meng-Ju22 May