Re: [Mingw-users] Compiling a librsync .dll (shared library compilation using autotools)

[Luke D. <cod...@ho...>]

----- Original Message ----- 
From: "Erik de Castro Lopo" <mi...@me...>
To: <min...@li...>
Sent: Thursday, December 30, 2004 11:09 AM
Subject: Re: [Mingw-users] Compiling a librsync .dll (shared library 
compilation using autotools)


> On Thu, 30 Dec 2004 13:28:07 +1100
> Mike Tyson <mi...@tz...> wrote:
>
>> Hi!
>>
>> I'm developing a (currently) commercial application that uses librsync
>> to transfer files.  As librsync is LGPL, I need to link dynamically to
>> the library, so that users can replace the library as they see fit.
>> I can cross-compile (from Linux) a static library (.a) with mingw32, but
>> I haven't been able to compile a .dll from the source.  The ./configure
>> script ignores --enable-shared parameters, so that isn't any help.
>>
>> I can see a '-shared' option in the i586-mingw32msvc-ld manpage which
>> may be on the right track, but I'm unsure how to incorporate that into
>> the build system (A standard autotools setup).
>>
>> Has anyone tried something similar?
>
> I'm not sure about any specific cross compiling requirements, but I
> do know that when building a DLL on MinGW the linker needs to be passed
> the "-no-undefined" option.

No, it doesn't. If there are undefined references then it simply won't link. 
Maybe you are thinking of libtool or something?

Luke

>
> If your project uses Automake you need something like:
>
>    libyada-yada_la_LDFLAGS = -no-undefined
>
> HTH,
> Erik
> -- 
> +-----------------------------------------------------------+
>  Erik de Castro Lopo  no...@me... (Yes it's valid)
> +-----------------------------------------------------------+
> C offers you enough rope to hang yourself.
> C++ offers a fully equipped firing squad, a last cigarette and a 
> blindfold.
>
>
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