Resolving dependencies...
Configuring hR-0.1.1...
Failed to install hR-0.1.1
Build log ( /home/builder/.cabal/logs/hR-0.1.1.log ):
cabal: Entering directory '/tmp/cabal-tmp-28360/hR-0.1.1'
[1 of 1] Compiling Main             ( /tmp/cabal-tmp-28360/hR-0.1.1/dist/setup/setup.hs, /tmp/cabal-tmp-28360/hR-0.1.1/dist/setup/Main.o )
Linking /tmp/cabal-tmp-28360/hR-0.1.1/dist/setup/setup ...
Configuring hR-0.1.1...
checking for R... no
configure: error: R is required
cabal: Leaving directory '/tmp/cabal-tmp-28360/hR-0.1.1'
cabal: Error: some packages failed to install:
hR-0.1.1 failed during the configure step. The exception was:
ExitFailure 1