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From: "Ralf Habacker" <Ralf DOT Habacker AT freenet DOT de>
To: "Cygwin-Apps" <cygwin-apps AT cygwin DOT com>
Subject: RE: FW: libtool devel package still  dll crippled.
Date: Sun, 21 Apr 2002 19:15:25 +0200
Message-ID: <005901c1e958$207ecfa0$651c440a@BRAMSCHE>
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In-Reply-To: <005e01c1e774$2dab05d0$651c440a@BRAMSCHE>

> > ld checks the symbols in the shared libs during compile time to see
> if it can
> > resolve all symbols and appearantly also detects duplicated
> symbols. On Linux
> > it is not necassery impossible to have two libs that define the
> same symbols.
> > E.g. this feature can be used to override the malloc implementation of libc.
> > Of course when this happens inadvertently it can lead to unexpected
> > behaviour/crashes. ELF (The linking format used on Linux) has rather complex
> > rules for determining which symbol should be used if it is defined multiple
> > times. It also distinguishes between weak and strong symbols. It might be
> > that it is only possible to override weak-symbols and that multiple
> > strong-symbols result in link-errors.
>
> Does the cygwin ld has some similar rules ?
>
Is nobody on this list, who can give an answer to this question ?

Ralf