[Patch] fix compile kdecore with msvc

[Thiago Macieira]

Christian Ehrlicher wrote:
>Msvc also instantiate only on demand (otherwise I couldn't compile
>kdecore without KDE_EXPORT macro in KResolverResults), but when
>exporting it in a dll, you have to provide the full instantiated class
>(and I don't think gcc can do this another way when using visibility
>feature).

I think the problem is that the binary format of the Win32 executables 
doesn't allow for globally weak symbols. That's how g++ does on ELF 
platforms: it generates several copies of the same symbol, all with weak 
linkage. When the program is loaded, all relocations will point to the 
same copy.

-- 
  Thiago Macieira  -  thiago (AT) macieira.info - thiago (AT) kde.org
    PGP/GPG: 0x6EF45358; fingerprint:
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5. Swa he géanhwearf tó timbran, and hwonne he cóm, lá! Unix cwæð "Hello, 
World". Ǽfre ǽghwilc wæs glæd and seo woruld wæs fréo.
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