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Subject: Re: [PHP-DEV] shared mysqlnd extension ...
From: lester@lsces.co.uk (Lester Caine)

Rasmus Lerdorf wrote:
> mysqlnd is not a standalone extension at all. It is infrastructure code
> that needs to be linked into your PHP in order for extensions to use it.

OK that is the key piece of information I was missing. I though we had got over 
the 'needs to be built in' and had made it optional!

I asked originally on php-general and was pointed to
Fixed bug http://bugs.php.net/55609 (mysqlnd cannot be built shared). (Johannes)
This specifically say ...
"It's also possible to use --enable-mysqlnd=shared"

SO I simply assumed that was the case, it does not give an error message like 
other miss configurations do ...
AH - JUST use --enable-mysqlnd=shared and don't add the mysqli shared module at 
the same time and the core build happily creates a shared module! But ...
"Unable to load dynamic library '/opt/php5/ext/mysqlnd.so' - 
/opt/php5/ext/mysqlnd.so: undefined symbol: executor_globals in Unknown on line 0"

THIS the same problem I get if I don't recompile the extensions after changing 
the core build and the feedback was that this is because of using incompatible 
php-config files!

So should I be updating that bug to the current state of play? That this is 
actually by design? Or create a new bug that states that 
'--enable-mysqlnd=shared' should not be allowed? Or is there some third position 
in this jigsaw?

Anyway I now have parallel apache modules one with and one without mysqlnd ... 
after screwing up the entire machine because I forgot that php overwrites the 
modules in apache even with apache running :(
Now to move all the mysql data over ...

-- 
Lester Caine - G8HFL
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