Fix ref tests

benchmarks/Benchmarks.hs

@@ -20,7 +20,11 @@ import qualified Data.Vector as V
 
 import Data.Csv
 import qualified Data.Csv.Streaming as Streaming
+
+-- This should be eventually replaced with 'cassava' version check
+#ifdef GENERIC_FIELD_BENCH
 import GenericFieldBench
+#endif
 
 #if !MIN_VERSION_bytestring(0,10,0)
 instance NFData (B.ByteString) where
@@ -136,7 +140,9 @@ main = do
         , bgroup "comparison"
           [ bench "lazy-csv" $ nf LazyCsv.parseCSV csvData
           ]
+#ifdef GENERIC_FIELD_BENCH
         , genericFieldBench
+#endif
         ]
   where
     decodePresidents :: BL.ByteString -> Either String (Vector President)

benchmarks/cassava-iut.cabal

@@ -123,20 +123,13 @@ Benchmark benchmark-iut
 
   ghc-options: -Wall -O2
 
+  cpp-options: -DGENERIC_FIELD_BENCH
 
 Benchmark benchmark-ref
   default-language: Haskell2010
 
   Type: exitcode-stdio-1.0
   Main-is: Benchmarks.hs
-  other-modules: GenericFieldBench
-                 Generic.Either
-                 Generic.Prefix
-                 Generic.U2
-                 Generic.U4
-                 Generic.U8
-                 Generic.U16
-                 Generic.U32
 
   -- dependencies with version constraints inherited via lib:cassava-iut
   build-depends: base