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Date: Sat, 20 May 2006 16:53:11 +0400
From: "Dmitry V. Levin" <>
Subject: Re: crypt_blowfish 1.0.1, glibc 2.3.5, and gcc 4.0.3 compile problems

On Fri, May 19, 2006 at 11:08:38PM -0600, Vincent Danen wrote:
> crypt-entry.c:74: warning: function declaration isn't a prototype
> crypt-entry.c:142: error: 'fcrypt' aliased to undefined symbol 'crypt'
> Any ideas on what might be causing the problem?

Modern gcc requires to make symbol definition available for weak_alias.

In unpatched glibc, "crypt" symbol is defined in the same file
(crypt-entry.c) as "fcrypt" alias.
In crypt_blowfish (up to 1.0.1), the "crypt" symbol is defined in wrapper.c
as weak alias to "__crypt".  Obvious fix would be to move "fcrypt"
definition from crypt-entry.c to wrapper.c


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