[openssl-users] Build for Windows 2012 R2

Michael Wojcik Michael.Wojcik at microfocus.com
Tue Apr 26 12:34:10 UTC 2016

I don't know why that message wasn't answered, because it's a well-known issue. I would have mentioned it in my previous note but it slipped my mind.

You get that error when you try to use the Microsoft assembler (ml.exe or ml64.exe). For OpenSSL on Windows, you now must use nasm, which is an open-source assembler. You can get it at www.nasm.us<http://www.nasm.us>. Just download it, install it (which I think is just unzipping an archive), and put it in the path.

Michael Wojcik
Technology Specialist, Micro Focus

From: openssl-users [mailto:openssl-users-bounces at openssl.org] On Behalf Of Bossle, Jody
Sent: Monday, April 25, 2016 22:20
To: openssl-users at openssl.org
Subject: Re: [openssl-users] Build for Windows 2012 R2


Thanks for the information and I have been able to make progress using the VS2015 x64 command prompts.  Unfortunately, I am running into a new error which is captured in a OpenSSL developer thread (see below), but a solution was never posted.  Any additional ideas?


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