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Re: GCC warnings for unused global variables

From: Mike Stump <mrs at apple dot com>
To: obrien at FreeBSD dot org
Cc: Richard Henderson <rth at redhat dot com>, Kean Johnston <jkj at sco dot com>, "'Joe Buck'" <jbuck at synopsys dot com>, "'Alexander Kabaev'" <kabaev at mail dot ru>, pthomas at suse dot de, ak03 at gte dot com, gcc at gcc dot gnu dot org
Date: Thu, 8 May 2003 14:16:53 -0700
Subject: Re: GCC warnings for unused global variables

On Thursday, May 8, 2003, at 12:42 PM, David O'Brien wrote:

One has to be very proactive to have this.  I've done contract work
updating people's old source bases with their custom hacks to recent
releases.  They certainly weren't this proactive.

Hum, if all else fails:

min=MAXINT
for i in all versions do;
	v=`cvs update -p -r$i file.c | diff - file.c | wc -l`
	if [ v < min ];
		save_v=$i;
		min=v
	fi
done
echo $save_v

I know, gross, but, when all else has failed...

References:
- Re: GCC warnings for unused global variables
  - From: David O'Brien

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