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Re: regex.c not 64-bit clean (?)

From: Jim Meyering
Subject: Re: regex.c not 64-bit clean (?)
Date: Thu, 15 Jun 2006 08:30:08 +0200

address@hidden (Eric Blake) wrote:
> configuring with -Werror.  Once configured, though, running
> make with -Werror is good policy for portability checks.
> What I meant to ask you to try, rather than
> 'configure CFLAGS=-Werror; make', was:
> $ ./configure CFLAGS=-Wall
> $ make CFLAGS='-Wall -Werror'

For general software development, I find that
it helps to add at least -O or -O2 to the list.
With optimization enabled, gcc performs more analysis,
and will detect e.g., variables that may be used defined,
that it wouldn't otherwise detect.

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