> 2003年06月17日(火)の20時15分に Simon Marlow 曰く:
> > > What seems to be happening is that the Arrow module in gtk2hs is
> > > clashing with the Arrow module in the lang package. As far as
> > > I can tell
> > > this all looks perfectly normal, so why don't we this
> kind of problem
> > > all the time? What's special about Arrow?
> > >
> > > How does it get resolved in the libHS*.a case? How does the
> > > system linker resolve the ambiguity when ghci's linker cannot?
> >
> > The static linker will simply pick the first
> __stginit_Arrow it finds
> > when searching libraries. In actual fact, you're better
> off with the
> > linking error, because the static linking behaviour is
> likely to result
> > in crashes at runtime.
>
> I see, interesting.
>
> In this case gtk2hs.o was generated by ghc-pkg, but naively,
> can I ask,
> is it not possible to detect this claiming of module names at
> buildtime?
Yes, in theory, but it would mean searching the entire search path to find all the .hi
files for a module, rather than stopping as soon as you've found one.
Cheers,
Simon
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