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Re: [dev-serveez] Re: libtool 1.5 used in serveez package

From: stefan
Subject: Re: [dev-serveez] Re: libtool 1.5 used in serveez package
Date: Mon, 26 May 2003 06:30:09 +0200 (CEST)

On Sun, 25 May 2003, Bob Friesenhahn wrote:

> > This message indicates that libtool is not able/does not want to link the
> > static archive libiberty.a to the libserveez.dll.  This worked perfectly
> > with 1.4.2.  When looking at the magic_regex_expr ('file_magic ^x86
> > archive import|^x86 DLL') in libtool.m4 one can get the impression that
> > windows dlls are now allowed to be linked against other dlls only.  Static
> > archives are not allowed anymore.  Has this some reason?
> It was a bug to allow Windows DLLs to link against static libraries
> other than those delivered with the compiler.  1.5 fixes this bug.

The static archive we are talking about is 'libiberty.a' which comes with
the mingw32 compiler.  Or what do you mean by "static libraries delivered
with the compiler"?

> The reason why it is a bad idea to link DLLs with the static library
> is that the symbols from the static library are auto-imported similar
> to those intended to be exposed by the DLL. This can cause problems if
> two DLLs a program depends on link against the same static library,
> particularly if the static libraries are different versions.  Either
> there are duplicate symbols, or the result is ambigious.

Thanks for the explanation.


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