ok, that did the trick

but how can I specify in one place this variable
env LD_PRELOAD=libpthread.so?

is this related to mariadb-client?

i think
i'll switch back to mysql until mariadb is fully supported by OpenBSD.
Bogdan


________________________________
 From: Stefan Sperling
<s...@openbsd.org>
To: Bogdan Andu <bo...@yahoo.com> 
Cc: "misc@openbsd.org"
<misc@openbsd.org> 
Sent: Friday, June 28, 2013 12:06 PM
Subject: Re: MariaDB
and OpenBSD
 

On Fri, Jun 28, 2013 at 01:49:09AM -0700, Bogdan Andu wrote:
>
Hello,
> 
> I have installed mariadb-server-5.5.31p0 and
mariadb-client-5.5.31p0
> on an OpenBSD 5.3 amd64 machine.
> 
> I have also
re-installed from ports
> p5-DBD-mysql with version 1.36 of Makefile, which
supports mariadb.
> p5-DBD-mysql via pkg_add gives me this error:
> sudo
pkg_add
> /usr/ports/packages/amd64/all/mariadb-server-5.5.31p0.tgz 
> Can't
install
> mysql-client-5.1.68 because of conflicts
>
(mariadb-client-5.5.31p0,mariadb-tests-5.5.31p0)
> Can't install
>
p5-DBD-mysql-4.022: can't resolve mysql-client-5.1.68
> Can't install
>
mariadb-server-5.5.31p0: can't resolve p5-DBD-mysql-4.022
> ---
>
mysql-client-5.1.68 -------------------
> Can't install mysql-client-5.1.68:
>
conflicts
> 
> because it depends on the mysql-client-5.1.68.

I'd suggest to
just use mysql until mariadb has been properly
integrated into OpenBSD and has
replaced mysql.

> mariadb-server is
> running, I am able to connect to the
server via mysql command line client.
> However I am not able to do the same
thing from a Perl script when trying to
> connect to the a mariadb database.
>
> install_driver(mysql) failed: Can't load
>
'/usr/local/libdata/perl5/site_perl/amd64-openbsd/auto/DBD/mysql/mysql.so'
>
for module DBD::mysql: Cannot load specified object at
>
/usr/libdata/perl5/amd64-openbsd/5.12.2/DynaLoader.pm line 200.
> ?at (eval 5)
> line 3
> Compilation failed in require at (eval 5) line 3.
> Perhaps a
required
> shared library or dll isn't installed where expected

Perhaps you
need to pre-load libpthread?
Try running your script like this:
  env
LD_PRELOAD=libpthread.so perl your-script.pl


> May this has something
> to
do with the comment from cvs repository for
>
ports/databases/p5-DBD-mysql/Makefile:
> 
> "Revert back to using MySQL 5.1
for
> the time being. MariaDB 5.5 introduces
> a new libmysqlclient
non-blocking API
> which utilizes co-routines. The X86
> specific GCC ASM
co-routine support hid
> the fact that there was an issue.
> The only fallback
code so far is POSIX user
> contexts which OpenBSD does not
> support."

No,
that's a different problem. MariaDB doesn't work on any architecture
other
than i386 and amd64 because of this, since OpenBSD doesn't support
the
fallback mode MariaDB developers have chosen for other architectures.

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