OpenSSL version number when compiling

Viktor Dukhovni openssl-users at
Wed Aug 2 18:18:00 UTC 2023

On Wed, Aug 02, 2023 at 06:32:22AM +0000, Dr. Matthias St. Pierre via openssl-users wrote:

> > #if OPENSSL_VERSION_NUMBER > 0x30100ff0L
> Kenneth, is it possible that you didn't include opensslv.h?  IIRC, the
> expression evaluates to #if 0 > 0x30100ff0L if OPENSSL_VERSION_NUMBER
> is not defined.

Perhaps see also:

Some older 0.x OpenSSL releases used a different encoding, but they're
long obsolete:


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