[Haskell-cafe] GHC 7.8 undefined symbol

[Sven Bartscher]

On Fri, 4 Sep 2015 15:12:20 -0400
Brandon Allbery <allbery.b at gmail.com> wrote:

> On Fri, Sep 4, 2015 at 3:06 PM, Sven Bartscher <
> sven.bartscher at weltraumschlangen.de> wrote:
> 
> > I recently installed a library (namely Hpysics, not on hackage) with
> > shared libraries (they were on by default).
> > When trying to do some stuff with the library (program attached), I get
> > a bunch of undefined symbol errors like this:
> >
> > $ ghc --make Main.hs
> > Linking Main ...
> >
> > /home/sven/.cabal/lib/i386-linux-ghc-7.8.4/Hpysics-0.0/libHSHpysics-0.0.a(Body.o):(.text+0x46e):
> > undefined reference to
> > `Hpysicszm0zi0_PhysicsziHpysicsziBoundingSphere_constructBoundingSpherezugo_info'
> > /home/sven/.cabal/lib/i386-linux-ghc-7.8.4/Hpysics-0.0/libHSHpysics-0.0.a(Body.o):(.text+0x4f9):
> >
> 
> Physics.Hpysics.BoundingSphere is missing from extra-modules in Hpysics'
> cabal file.

Thanks! Correcting that did indeed work.
I think you actually meant other-modules, but I was able to at least
figure that out, by myself.

Regards and thanks
Sven
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