[Haskell-cafe] foreign libraries, dylibs, OS X Mavericks and GHC 7.8.3 woes
lambda.fairy at gmail.com
Wed Oct 15 08:14:15 UTC 2014
> You're installing into a cabal sandbox and compiling directly with ghc (not
> cabal), but ghc doesn't know anything about the sandbox. You need to point
> it to the package database with -package-db and tell it the package for
> linking with -package .
> $ ghc -package-db .cabal-sandbox/x86_64-osx-ghc-7.8.3-packages.conf.d
> -package snappy HelloSnappy.hs
> Linking HelloSnappy ...
> $ ./HelloSnappy
> HelloSnappy: foo.jpg: openBinaryFile: does not exist (No such file or
Alternatively, if you've got a recent version of cabal you can use
cabal exec -- ghc HelloSnappy.hs
You can also load up GHCi in the sandbox using `cabal exec ghci` or
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