linux-kernel - why test for "__GNUC_

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Message-ID: <Pine.LNX.4.64.0610290610020.6502@localhost.localdomain>
Date:	Sun, 29 Oct 2006 06:13:03 -0500 (EST)
From:	"Robert P. J. Day" <rpjday@...dspring.com>
To:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: why test for "__GNUC__"?

  since (as i understand it) the linux kernel *requires* gcc these
days, what is the point of the numerous preprocessor tests of the
form:

  #ifdef __GNUC__

and its variations?

  under the circumstances, aren't all those tests redundant?

rday
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