[PATCH] Use unresolved symbols for parent library in modules

[Jelmer Vernooij]

Hi Simo,

The attached patch makes sure a modules' subsystem (and its
dependencies) doesn't get linked into it, but instead assumes that the 
symbols get resolved at run time.

At the moment, this patch doesn't work yet for ldb because some modules use
symbols that don't end up in the binary (or python ldb module) because
they're not required anywhere else. 

We're also not specifying -Wl,-export-dynamic when linking yet so those symbols 
may not be used to resolve the modules' symbols even when they are
available.

I don't intend to do more work on this direction atm, but this patch
would be a good start if anybody intends to pick it up.

Cheers,

Jelmer

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