From mboxrd@z Thu Jan  1 00:00:00 1970
To: 9fans@cse.psu.edu
From: "Douglas A. Gwyn" <DAGwyn@null.net>
Message-ID: <3C96C3BA.CFB711B0@null.net>
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References: <20020318180441.CA641199B9@mail.cse.psu.edu>
Subject: Re: macro fun [Re: [9fans] plan or side effect]
Date: Tue, 19 Mar 2002 09:50:03 +0000
Topicbox-Message-UUID: 691aa874-eaca-11e9-9e20-41e7f4b1d025

forsyth@caldo.demon.co.uk wrote:
> ... presumably -ansi switches off gcc extensions of one sort
> or another but doesn't check conformance.

Checking a program for strict conformance appears to be one
of those finitely uncomputable tasks.  The best one can hope
for is that readily detectable violations are flagged.  The
C standard requires diagnostics for most of those..