[erlang-questions] How to load a port driver which itself uses a shared library?

Sergej Jurečko <>
Fri May 15 09:41:38 CEST 2015


To check shared library paths that your driver is looking for:

Linux: ldd your_driver.so
Osx: otool -L your_driver.so


Sergej

On Fri, May 15, 2015 at 4:57 AM, Diptansu Das <> wrote:

> I need to create a port driver which will need to link against some other
> shared library. When I try to load the driver I get an {error, {open_error,
> -10}}. I tracked this down to the call to the shared library functions. If
> I comment out the calls to the shared library it loads fine. It seems the
> erl_ddll loader cannot load a driver if it links to a shared library... Or
> maybe there is some other way to accomplish this?
> In case I cannot create a normal dynamically loaded port driver, how can I
> statically link it to the erlang build?
> Thanks,
> D
>
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