Re: [Vala] Problem using Mysql in Vala (Fedora 21): /usr/bin/ld: cannot find -lmysqlclient

[Steven Oliver <oliver steven gmail com>]

This kind of stuff can be a pain. I've found that I sometimes have to
update my c_include_path to include the new shared libraries. Something
like this:

export C_INCLUDE_PATH="/usr/include/libev"

Steven N. Oliver

On Fri, Dec 12, 2014 at 10:41 AM, Tarnyko <tarnyko tarnyko net> wrote:
> Hi AxP,
> What the message is really telling you, is that you miss the
> "libmysqlclient.so" file.
> This file is typically in a separate package, depending on the
> distribution you are using ; in OpenSUSE for instance, it's in
> "libmysqlclient-devel" (http://rpmfind.net/linux/
> rpm2html/search.php?query=libmysqlclient-devel)
> Hope this helps.
> Regards,
> Tarnyko
> AxP writes:
>
> > Hello,
> > I tried to use MySQL today with Vala but ran into some Problems. I
> > searched for some solutions but couldn't fix the issue. I saw a few threads
> > on the list with a similar problem but it didn't help me.
> > First I was trying to get http://www.fromdual.com/mysql-
> > vala-program-example working, now it's only this short snippet:
> >
> > > using Mysql;
> > > static int main(string[] args) {
> > >     Database mysql = new Mysql.Database();
> > >     return 0;
> > > }
> >
> > Problem is that I get this message in return:
> >
> > > valac "main.vala" --pkg mysql -X -lmysqlclient (im Verzeichnis:
> > > /home/axp/Dokumente/Workspaces/10 Vala/MailServer/src)
> > > main.vala:5.14-5.41: warning: local variable `mysql' declared but never
> > > used
> > >     Database mysql = new Mysql.Database();
> > >              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> > > /usr/bin/ld: cannot find -lmysqlclient
> > > collect2: Fehler: ld gab 1 als Ende-Status zurück
> > > error: cc exited with status 256
> > > Compilation failed: 1 error(s), 1 warning(s)
> > > Kompilierung fehlgeschlagen.
> >
> > I think that there could be problem with my setup. I've done:
> >
> > > yum install mysql-server
> > > yum install mysql-devel
> > So the libraries and headers are installed and new.
> > Compilation with valac -c "%f" --pkg mysql -X -lmysqlclient is working.
> > But really creating the little program with valac "%f" --pkg mysql -X
> > -lmysqlclient fails.
> > I thought this could be a nice opportunity to try the mailing list. I
> > hope the problem is not too trivial and I'm the only one who doesn't know
> > the solution :B
> > Thank you in advance!
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