Different behavior in ghci 7.8.3 vs 7.10.1?

Sergei Trofimovich slyich at gmail.com
Sat Jun 27 12:16:10 UTC 2015

On Sat, 27 Jun 2015 07:59:33 -0400
Dominick Samperi <djsamperi at gmail.com> wrote:

> To test ghci 7.10.1 I compiled from source and simply placed the
> resulting bin in my PATH. Perhaps this is not enough?

Sounds right. What does 'ghc --info' show?

> On the second suggestion, I tried ldd and found that the undefined
> symbol is flagged 'B' in the nm output (.bss section).
> This symbol is defined in the shared library, and the output of ghc
> -v2 shows that this shared library is
> linked without problems on startup of ghci. When the Haskell/FFI
> function is run the symbol is undefined.

Can you craft a complete small example with a build script that shows the error?


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