Resolving dependencies...
Downloading cuda-0.7.0.0...
[1 of 1] Compiling Main             ( /tmp/cabal-tmp-6979/cuda-0.7.0.0/dist/setup/setup.hs, /tmp/cabal-tmp-6979/cuda-0.7.0.0/dist/setup/Main.o )
Linking /tmp/cabal-tmp-6979/cuda-0.7.0.0/dist/setup/setup ...
Configuring cuda-0.7.0.0...
setup: The program 'c2hs' version >=0.21 is required but it could not be
found.
Failed to install cuda-0.7.0.0
cabal: Error: some packages failed to install:
cuda-0.7.0.0 failed during the configure step. The exception was:
ExitFailure 1
cufft-0.1.2.2 depends on cuda-0.7.0.0 which failed to install.