Mail Archives: cygwin/2004/04/07/11:12:32
On Wed, Apr 07, 2004 at 08:33:19AM +0300, Jani tiainen wrote:
>Jay West wrote:
>
>>Larry wrote...
>>
>>>Did you see this?
>>>
>>><http://www.cygwin.com/ml/cygwin/2000-10/msg00451.html>
>>
>>No I didn't, but thanks! Actually, no, it doesn't answer my question. It
>>does ask the precursor to my question, which is how to create a dlopenable
>>module. I'm well aware of how to do that on unix, using exactly the
>>commands
>>he listed (main executable with --export-dynamic, module with -fpic and
>>ld -shareable -dynamic). He is generally asking how to do that with cygwin,
>>but there's no discussion of exactly what with, and if, backlinking is
>>supported on a cygwin-ized windows machine.
>>
>>I will gladly do the legwork of figuring out the specifics of how to do it
>>on cygwin, but I was hoping someone could at least point me down the right
>>path. Let me be more specific, I see two alternatives:
>
>You don't have to, I did it already.. =)
>
>>So I guess in the final analysis there are two specific questions: Does
>>cygwin-based windows take care of backlinking, and if so with what
>>tool/method, and is it's method compatable with libtool in a transparent
>>way on Unix vs. Cygwin/Windows?
>
>Shortly no. Longer answer is yes it does.
>
>I rember writing a few articles about this...
>
>Basicaly thing goes so that you compile (but not link) needed files,
>generate needed .lib:s and then link whole thing.
>
>Note that you can export symbols from .exe in same way.
>
>Here is few pointers:
>
><http://mail.gnu.org/archive/html/libtool/2002-10/msg00145.html>
>
><http://sources.redhat.com/ml/cygwin/2003-12/msg01071.html>
>
>
>And bad news is: libtool can't handle this (at least not to my knowledge).
>
>Because this is strictly windoze specific, this is also a offtopic of
>this mailinglist..
I wouldn't call it off-topic if it is using the binutils and gcc
provided by cygwin.
cgf
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