[issue15172] SHA1 failures on the 64-bit Windows buildbot

[Jeremy Kloth]

Jeremy Kloth <jeremy.kloth at gmail.com> added the comment:

Ok, the final verdict on this issue is that nasm is to blame.  I had
nasm 2.09.02 installed.  I upgraded it to version 2.10.01 and
magically OpenSSL started working.

>From the nasm changelog is seems that the added instruction sets in
2.10 are required for building OpenSSL with asm optimizations (the
default for Windows from 1.0.1).  This seems like a good candidate for
adding to the devguide (and any other building documents).

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<http://bugs.python.org/issue15172>
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