java 17 libsvml.so conflict with user app

[Paul Sandoz]

This has no been fixed and back ported by Sandhya.

Paul.

> On Oct 25, 2021, at 4:43 PM, Vitaly Davidovich <vitalyd at gmail.com> wrote:
> 
> Hi all,
> 
> We're testing some of our code on Java 17 (17.0.1)/linux and hit an issue
> related to libsvml.so.  It seems this library is now part of 17 to support
> the (incubating) Vector API.  We have a java library backed (via JNI) by
> NAG, which itself links against libsvml.so.  The issue arises due to
> java.lang.UnsatisfiedLinkError when our java library is trying to call into
> a NAG function which in turn is looking for a certain symbol from libsvml
> (__svml_exp2_ha_mask in particular).
> 
> It looks like the JDK is eagerly loading symbols from its packaged libsvml
> (is there a way to disable that for now?).  That version of the library is
> also in conflict with the one we want to load, as witnessed by the missing
> symbol (there're probably others but we stopped testing at this point).
> 
> Is this a known issue/compatibility hazard? Happy to hear thoughts/opinions
> on this and provide further info, if needed.
> 
> Thanks