Build failure under Fedora 21

[Peter Trommler]

Dominick Samperi wrote:

> It turns out that the undefined reference to libHSprimitive-0.5.4.0.so
> when installing pandoc is not related to the use of CentOS or Debian
> binaries. I get the same undefined reference when I try to use
> ghc-7.8.4 compiled from source under Fedora 21. Here is the output of
> 'locate libHSprimitive':
> 
> 
/home/dsamperi/.cabal/lib/primitive-0.5.4.0/ghc-7.8.4/libHSprimitive-0.5.4.0.a
> /usr/lib64/ghc-7.6.3/primitive-0.5.0.1/libHSprimitive-0.5.0.1-ghc7.6.3.so
> /usr/lib64/ghc-7.6.3/primitive-0.5.0.1/libHSprimitive-0.5.0.1.a
> /usr/lib64/ghc-7.6.3/primitive-0.5.0.1/libHSprimitive-0.5.0.1_p.a
> 
> 
> So there is a .a library, but no .so (shared) lib in the build from
> source. Can someone explain how to get the build process to create all
> necessary shared libs?
Try adding `--enable-shared` to your cabal command to build the shared 
object libraries. You might have to tell cabal to reinstall your existing
primitive-0.5.4.0 or blow away your ~/.cabal and ~/.ghc directories.

HTH
Peter