Shared mysql modules with mysqlnd

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Hi. I'm the maintainer of php in MacPorts. Our php5 port has been monolithic, with all modules compiled in statically. I'm now switching this to a more modular architecture so that shared modules can be added and removed as needed.

I wanted to make the mysql modules use mysqlnd by default for the obvious reasons, but I'm having trouble making them work this way as shared modules. I think they were working fine with mysqlnd when compiled into php statically. Using php 5.3.0 I see:


$ php
PHP Warning: Cannot load module 'mysql' because required module 'mysqlnd' is not loaded in Unknown on line 0 dyld: lazy symbol binding failed: Symbol not found: __mysqlnd_palloc_rinit Referenced from: /mp/lib/php/extensions/no-debug-non-zts-20090626/ mysqli.so
  Expected in: dynamic lookup

dyld: Symbol not found: __mysqlnd_palloc_rinit
Referenced from: /mp/lib/php/extensions/no-debug-non-zts-20090626/ mysqli.so
  Expected in: dynamic lookup

Trace/BPT trap
$


I see this on Mac OS X 10.4.11 and 10.5.7 on Intel Macs.


The mysql modules have been configured with

--prefix=/mp
--disable-all
--disable-cgi
--without-pear
--with-zlib-dir=/mp
--enable-pdo
--with-mysql=shared,mysqlnd
--with-mysqli=shared,mysqlnd
--with-pdo-mysql=shared,mysqlnd


I found references on third-party sites to an "--enable-mysqlnd" option but php 5.3.0 does not mention this in "./configure --help", if I try to use it it says it's an unknown option, and it doesn't change the issue.


I looked into how FreeBSD Ports is doing it, and it doesn't look like they're using mysqlnd at all.


Am I supposed to have a "mysqlnd.so"? I couldn't find any pages about such a module on Google so I'm guessing not.


If you want to reproduce my setup on your system, you can install Xcode and MacPorts and then "sudo port install php5- mysql" (optionally "sudo port install php5 +no_web" first to avoid building apache2).



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