On 2020-12-31 11:13, Marco Atzeri via Cygwin wrote:
On 31.12.2020 13:03, E. Madison Bray wrote:
On Thu, Dec 31, 2020 at 12:43 PM Marco Atzeri wrote:
On 31.12.2020 12:14, E. Madison Bray via Cygwin wrote:
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.

Noted.
I will look to rebuild the package.

Awesome, thank you!  And no urgency on my part.  Have a happy new year!

rebuilt as ntl-10.5.0-2 with

CXXFLAGS=-mavx NATIVE=off PREFIX=/usr SHARED=on NTL_GMP_LIP=on

Will break on pre-2011 CPUs; Intel Sandy Bridge, AMD Bulldozer first with AVX:
Intel Core i3-9 work, Pentium and Celeron don't; AMD Bobcat and earlier don't.

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Take care. Thanks, Brian Inglis, Calgary, Alberta, Canada

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