[Buildroot] Cross-compile mariadb-connector-c for MySQL use

Todd Sampson sampsonats at gmail.com
Tue Jun 2 19:47:34 UTC 2020

I want to cross-compile mariadb-connector-c to link with the Poco library
to create a MySQL client.

Everything was working with mariadb-connector-c version 2.3.7.  I need to
update to 3.1.8 for compatibility with MySQL version 8.  When I changed the
mariadb-connector-c  buildroot target to 3.1.8, the build failed because
mariadb-connector-c had more dependencies.

It seems like mariadb-connector-c depends on the mariadb server to be
built.  If I build the server, mariadb-connector-c is happy.  The problem
is, the mariadb server is installed on the target and there is no room for

I tried putting:


in the mariadb server .mk file but it still was installed.

If I don't select mariadb server, I get these errors and lots more similar:

> /home/dfr/m9k2/buildroot/output/host/powerpc-buildroot-linux-gnu/sysroot/usr/lib/mariadb/libmariadbclient.a(openssl.c.o):
> in function `ma_tls_set_error':
> openssl.c:(.text+0x28): undefined reference to `ERR_get_error'
> /home/dfr/m9k2/buildroot/output/host/lib/gcc/powerpc-buildroot-linux-gnu/8.4.0/../../../../powerpc-buildroot-linux-gnu/bin/ld:
> openssl.c:(.text+0x64): undefined reference to `ERR_reason_error_string'

*buildroot version 2020.05*
1. Is there a better way to approach this?
2. How do I let mariadb server be built but *not *installed in the target?
3. Should I be able to use the Poco library built into buildroot? It seems
like there should be an option in Poco to build the mariadb-connector-c
library and just work.
4. Is anyone else in the world besides me trying to do this?

I've been working on this for over two weeks now.  I sure would appreciate
any help!
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