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[avr-libc-dev] how to #include <twi.h> in 1.0.4 and 1.2.3 ?

From: Matthias Ringwald
Subject: [avr-libc-dev] how to #include <twi.h> in 1.0.4 and 1.2.3 ?
Date: Thu, 17 Feb 2005 20:31:02 +0100


avr/twi.h was moved to compat/twi.h. so far, I'm fine.
but how do I change my sources in such a way that it can be compiled
either with avr-libc-1.0.4 and avr-libc-1.2.3 without changes or manual editing ?

surely, I could check if a specific new 1.2.x function/macro is defined,
but that's ugly and error-prone.

Is there something like a #define avr-libc-version "1.2.0" that could be used?
(and I could not find in five minutes browsing the /avr/include/* )

thanks and regards,
 matthias ringwald

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