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Date:	Sat, 18 Feb 2006 13:45:34 -0500
From:	Christopher Faylor <cgf-no-personal-reply-please AT cygwin DOT com>
To:	cygwin AT cygwin DOT com
Subject:	Re: Linux vs Cygwin linkage
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On Sun, Feb 19, 2006 at 05:39:41AM +1100, skaller wrote:
>I have found some unexpected differences between Cygwin and Linux.  FYI
>I think Cygwin is right, and Linux is wrong.
>
>What happens is I have a DLL P which depends on a DLL F and a DLL D.  A
>also depends on R.  The executable depends on R D and F.
>
>Under Linux, I link P against F, and it works.  IMHO this is just plain
>wrong.  It seems to be pooling symbols globally or something.
>
>Under Cygwin this does not happen.  The link of P fails with an
>undefined symbol from D.  I think this is correct.
>
>If anyone can throw some light on this I'd appreciate it.  Is it this
>option:?
>
>--allow-shlib-undefined --no-allow-shlib-undefined Allows (the default)
>or disallows undefined symbols in shared libraries.
>
>Can I fix that with
>
>-Wl,--no-allow-shlib-undefined
>
>switch to gcc, so Linux and Cygwin behave the same?

This is a question for a linux mailing list.  Why are you asking here?

cgf

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