impdef, msvc++ 6, and GMP

[Sisyphus]

Kevin Ryde wrote:

> 
> Actually, I think .libs/libgmp.dll.a is the import library, but in
> "ar" format.  That won't work with msvc will it?

It won't work. (Questions in the negative really throw me. I never know 
whether to answer with a 'yes' or a 'no' :-)

 >  Is there a way to convert to .lib?
>

I couldn't find one.

> 
>>But did Kevin say that there would be no def file created in future
>>builds of GMP ?
> 
> 
> Yes, the next libtool doesn't create it any more, since newer binutils
> can go directly to libgmp.dll.a.
> 
> dlltool can create it though, I think with
> 
> 	dlltool .libs/libgmp-3.dll --export-all-symbols -z foo.def
> 
> Though maybe that gives a few more symbols than it should (some of the
> libc stuff).  Maybe that -z needs to be worked into the ld invocation
> which creates libgmp-3.dll in the first place.
> 

I don't use dlltool, but I gave your suggestion a run. The command (as 
you've given above) produces a def file, without error or warning, but 
about 10% larger than the one produced by building 4.1.2 with gcc.

Using 'foo.def' to create the lib file (with the 'lib' command), in turn 
creates a lib file about 10% larger - again without error or warning. I 
haven't tested that lib file for functionality ... it's a little messy 
for me to do that, so I thought I'd wait and see what others come up 
with .... maybe they can save me the trouble, but I *can* test it if 
deemed desirable.

> But in any case perhaps we can recommend dlltool to create the .def,
> and lib to create the import library (the way the 4.1.2 manual says).
> 

It's just so much nicer and easier if people can simply take the dll and 
build the lib using only msvc++, without having to use any other tool.
Of course, they already can do that ... if they've got a 'proper' 
edition of msvc++ 6 :-)

Cheers,
Rob


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