From owner-freebsd-ports  Tue Jan  9 18:06:09 1996
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From: Dave Glowacki <dglo@SSEC.WISC.EDU>
Message-Id: <199601100205.UAA03363@tick.SSEC.WISC.EDU>
To: ports@freebsd.org
Subject: Differentiating between 2.0 and 2.1
Date: Tue, 09 Jan 1996 20:05:56 -0600
Sender: owner-ports@freebsd.org
Precedence: bulk

OK, I can determine that I'm on a FreeBSD system if __FreeBSD__ is defined
and I can tell that I'm on a FreeBSD 2.x system if __FreeBSD__ == 2.

Is there a way to determine if a program is being built on a FreeBSD 2.1
system as opposed to a 2.0 system?