libntl binaries not portable

Marco Atzeri
Thu Dec 31 11:43:11 GMT 2020

On 31.12.2020 12:14, E. Madison Bray via Cygwin wrote:
> Hello,
> (and attn: Marco Atzeri)
> I use Cygwin's libntl package in my software, and some users are
> reporting illegal instruction errors which appear to be coming from
> Cygwin's NTL, which was built with native optimizations enabled.
> It should probably be configured with
> ./configure NATIVE=off
> while possibly still selecting at least some arch-specific
> optimizations, such as CXXFLAGS=-mavx.
> I haven't figured out exactly which features these users' CPUs are
> missing but I've seen problems in the past with the PCLMUL
> instructions.
> Thanks,
> Madison

Hi Madison

I will look to rebuild the package.


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