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Date: Fri, 12 Sep 2008 16:17:09 -0500
From: "Yaakov (Cygwin Ports)" <yselkowitz AT users DOT sourceforge DOT net>
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Subject: Re: [ANNOUNCEMENT] New experimental package: gcc4-4.3.0-1
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Dave Korn wrote:
>   OK.  Suits me.

While you're at it, I would override LIBINTL and LIBICONV with their
dynamic counterparts.

>   The problem is the major difference between ELF DSOs and PE DLLS: DLLs have
> to be fully resolved at link-time, not load-time.  So, when you're building
> libstdc++ all those internal references to operator new have to be resolved
> somewhere, and as the weakref is the only definition available that's where
> they get linked to.  Permanently and forever.
> 
>   If they were instead resolved to some kind of thunk that could do a lookup
> at runtime for non-weak versions of the same symbol, we'd be golden.  Well,
> we'd need to make sure the non-weak versions were all declspecced dllexport
> somehow, but that would do it for us.

FWIW, this doesn't just affect C++; linking XWin against a dynamic
libXfont has the same problem, causing the former not to work, and hence
requires a static link.


Yaakov
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