waf help: OPENSSL_VERSION_NUMBER from openssl/opensslv.h

[Matthew Selsky]

On Tue, Mar 24, 2020 at 12:40:42PM -0700, Hal Murray via devel wrote:

> I'd like to check the OpenSSL version number and give a sensible error message 
> rather than some mumbo jumble from the compiler.

I would model the check that we removed in https://gitlab.com/NTPsec/ntpsec/-/commit/6d17955b03ca65d67f2cc2ceba01bd60e07d5fd4


Cheers,
-Matt