[Bug 198330] [PATCH] graphics/openimageio Missing dependency on OpenSSL

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=198330

--- Comment #3 from FreeBSD at ShaneWare.Biz ---
Created attachment 153935
  --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=153935&action=edit
disable use of openssl

I had overlooked the openssl dependacy. openimageio uses the sha1 functions
from openssl, if openssl isn't present it uses an internal version of sha1.

The response from the lead oiio developer is that in older versions openssl
offered a performance gain of about 25%. Testing now that the code that uses
sha1 has been multi-threaded to use available cores makes the speed difference
minimal, with disk io now being the bottleneck. He now feels that disabling the
use of openssl by default is a valid option for future releases.

I opt to go the same route and disable use of openssl. I think if oiio were to
keep using openssl I would prefer to have it as an option rather than a
permanent feature.

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