Resolving dependencies...
Downloading hR-0.1...
[1 of 1] Compiling Main             ( /tmp/hR-0.1-17335/hR-0.1/Setup.hs, /tmp/hR-0.1-17335/hR-0.1/dist/setup/Main.o )
Linking /tmp/hR-0.1-17335/hR-0.1/dist/setup/setup ...
Configuring hR-0.1...
checking for R... no
configure: error: R is required
Failed to install hR-0.1
cabal: Error: some packages failed to install:
hR-0.1 failed during the configure step. The exception was:
ExitFailure 1