[Releasing] Failed to build mysql plugin

[Simon Hausmann]

On Wednesday, August 22, 2012 03:59:59 PM ext Thiago Macieira wrote:
> On quarta-feira, 22 de agosto de 2012 15.01.42, Jørgen Lind wrote:
> > Hi,
> > I downloaded the package from today(22) and did a
> > configure -prefix $SOMEDIR && make
> > 
> > It fails building the mysql plugin.. I also pulled the latest
> > sources from gerrit and got a similar problem. Has anyone else seen
> > this. When I build without the sqlplugins (I removed them), then every
> > thing works fine, and I can build external applications.
> > 
> > Buildlog at:http://pastebin.com/DKFU1ZcE
> 
> This is not a packaging issue.
> 
> See https://bugreports.qt-project.org/browse/QTBUG-26850
> 
> Solution: rm /usr/lib*/libQt*so
> or remove the development packages of Qt 4 in your distribution's package
> manager
> 
> Reason: your mysql_config program is outputting -L/usr/lib or -L/usr/lib64
> when asked for the MySQL libs. That means the Qt 4 libs get found when you
> try to link the plugin.
> 
> It's a bad idea to build a package of a given version while the development
> files of a previous version are found in the default library search paths.

I'd rather say that the actual bug is in mysql_config. It seems wrong to me for 
any *config tool to spit out a library search path that is part of the 
toolchain default.


One workaround we could do is to make sure that any paths we get from any *-
config tools end up behind everything else.



Simon