$ cabal install arithmoi-0.4.0.3
results in multiple errors like:
Math/NumberTheory/Moduli.hs:489:4:
error: invalid preprocessing directive
#-}
^
My System:
OSX Mavericks
Cabal version = 1.18.1.1
GHCI version = 7.6.3
Thanks in advance!
来源:https://stackoverflow.com/questions/19597324/cabal-error-invalid-preprocessing-directive