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Date: Fri, 17 Jan 2003 11:05:23 -0500
From: Christopher Faylor <cgf AT redhat DOT com>
To: cygwin AT cygwin DOT com
Subject: Re: RESOLVED: Using gcc to build a DLL discovered and linked at runtime
Message-ID: <20030117160523.GC4335@redhat.com>
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References: <20030117145817 DOT 95468 DOT qmail AT web20002 DOT mail DOT yahoo DOT com>
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On Fri, Jan 17, 2003 at 06:58:17AM -0800, Joshua Daniel Franklin wrote:
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>References: <3E2753C9 DOT 4040008 AT kleckner DOT net>, <3E25A7EE DOT 7050109 AT kleckner DOT net>
>
>> After carefully inspecting the symbols from
>> generated dlls and dlls provided by TradeStation,
>> I found that symbols occurred with and without the
>> @decorations.  e.g. PPI AT 4 and PPI.
>>
>> Adding -Wl,--add-stdcall-alias to the gcc line,
>> all worked fine.
>>
>> Could this generally be a requirement for dlls
>> that are opened at runtime in a fashion similar to
>> dlopen?  If so, then some FAQ annotation would be
>> in order here:
>>   http://www.cygwin.com/cygwin-ug-net/dll.html
>
>I may be wrong (I'm not a GCC expert), but isn't that more
>of a gcc thing than a cygwin thing? 
>
>I don't want to end up pasting the whole gcc manual into
>the "Using DLLs" page. It's really only intended to be a quick
>start for cygwin, not a comprehensive guide.

Right.  The --add-stdcall-alias option is also not something
that you just nonchantly add to the command line.  It does not
belong in a general guide, except, perhaps as a q.v.

cgf

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