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Re: [RFC] Offloading Support in libgomp


2014-07-17 11:51 GMT+04:00 Thomas Schwinge <thomas@codesourcery.com>:
>> +  plugin_path = getenv ("LIBGOMP_PLUGIN_PATH");
>
> What is the benefit of making this an environment variable that the user
> set to set, LIBGOMP_PLUGIN_PATH, as opposed to hard-coding it to
> somewhere inside the GCC installation directory ([...]/lib/libgomp/*.so)?
> (There, it can still be overridden; dlopen obeys DT_RPATH/DT_RUNPATH, and
> LD_LIBRARY_PATH.)  Hard-coding it would make libgomp testing a bit
> easier, and it generally seems to make sense to me that the compiler
> (libgomp) should be able to locate its own resources, and I don't think
> the plugin search path is something that a user generally would want to
> override -- or is your use case indeed that the plugin is not built as
> part of libgomp's build process?  (But, in this case you still could use
> LD_LIBRARY_PATH to have it found.)

Hi,

We invented this environment variable almost a year ago, when we
didnât fully understand how all the parts will work together. So for
now, likely, your proposal is better.
Jakub, what do you think?

  -- Ilya

P.S. Michael is no longer working on this, I'm continuing his work.


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