Fix compilation of benchmarks

I removed an outdated zipper benchmark, since Control.Lens.Zipper was
moved to the zippers package. I opened a PR to move it there:
ekmett/zippers#11

Addresses
commercialhaskell/stackage#1372 (comment)

benchmarks/alongside.hs

@@ -70,22 +70,20 @@ half l r pfq (s,s') = fmap (\(b,t') -> (peekContext b x,t')) (getCompose (r (\a'
 -- alongside' :: Lens s t a b -> Lens s' t' a' b' -> Lens (s,s') (t,t') (a,a') (b,b')
 -- {-# INLINE alongside'#-}
 
-compound :: Lens s t a b
-         -> Lens s' t' a' b'
-         -> Lens (s,s') (t,t') (a,a') (b,b')
+compound :: Lens' s a
+         -> Lens' s' a'
+         -> Lens' (s,s') (a,a')
 compound l r = lens (\(s, s') -> (view l s, view r s'))
                     (\(s, s') (t, t') -> (set l t s, set r t' s'))
 {-# INLINE compound #-}
 
-compound5 :: Lens s t a b
-          -> Lens s' t' a' b'
-          -> Lens s'' t'' a'' b''
-          -> Lens s''' t''' a''' b'''
-          -> Lens s'''' t'''' a'''' b''''
-          -> Lens (s, (s', (s'', (s''', s''''))))
-                  (t, (t', (t'', (t''', t''''))))
+compound5 :: Lens' s a
+          -> Lens' s' a'
+          -> Lens' s'' a''
+          -> Lens' s''' a'''
+          -> Lens' s'''' a''''
+          -> Lens' (s, (s', (s'', (s''', s''''))))
                   (a, (a', (a'', (a''', a''''))))
-                  (b, (b', (b'', (b''', b''''))))
 compound5 l l' l'' l''' l''''
   = lens (\(s, (s', (s'', (s''', s''''))))
            -> (view l s, (view l' s', (view l'' s'', (view l''' s''', view l'''' s'''')))) )

benchmarks/plated.hs

@@ -2,7 +2,15 @@
 {-# LANGUAGE Rank2Types #-}
 {-# LANGUAGE DeriveDataTypeable, DeriveGeneric #-}
 {-# OPTIONS_GHC -funbox-strict-fields #-}
+
+#ifndef MIN_VERSION_base
+#define MIN_VERSION_base(x,y,z) 1
+#endif
+
+#if !(MIN_VERSION_base(4,8,0))
 import           Control.Applicative
+#endif
+
 import           Control.Lens
 import           Control.DeepSeq
 import           Criterion.Main

benchmarks/unsafe.hs

@@ -6,16 +6,18 @@ import Control.Lens.Internal
 import Control.Exception
 
 import Criterion.Main
-import Criterion.Config
+import Criterion.Types (Config(..))
+
+import Data.Functor.Identity (Identity(..))
 
 import GHC.Exts
 
 overS :: ASetter s t a b -> (a -> b) -> s -> t
-overS l f = runMutator . l (Mutator . f)
+overS l f = runIdentity . l (Identity . f)
 {-# INLINE overS #-}
 
 mappedS :: ASetter [a] [b] a b
-mappedS f = Mutator . map (runMutator . f)
+mappedS f = Identity . map (runIdentity . f)
 {-# INLINE mappedS #-}
 
 overU :: ASetter s t a b -> (a -> b) -> s -> t
@@ -53,11 +55,11 @@ main = do
         --l = replicate n ();   f = (\ _ -> ())
         --l = replicate n ();   f = (\ !_ -> ()) -- strange results
         --l = replicate n ();   f = lazy (\_ -> ())
-    defaultMainWith config (return ())
+    defaultMainWith config
         [ bench "map   safe noinline" $ nf (mapSN f) l
         , bench "map   safe   inline" $ nf (mapSI f) l
         , bench "map unsafe noinline" $ nf (mapUN f) l
         , bench "map unsafe   inline" $ nf (mapUI f) l
         ]
   where
-    config = defaultConfig { cfgSamples = ljust 1000 }
+    config = defaultConfig { resamples = 1000 }

lens.cabal

@@ -452,8 +452,7 @@ benchmark alongside
   hs-source-dirs: benchmarks
   build-depends:
     base,
-    comonad,
-    comonads-fd,
+    comonad >= 4,
     criterion,
     deepseq,
     lens,
@@ -497,25 +496,8 @@ benchmark unsafe
   hs-source-dirs: benchmarks
   build-depends:
     base,
-    comonad,
-    comonads-fd,
-    criterion,
-    deepseq,
-    generic-deriving,
-    lens,
-    transformers
-
--- Benchmarking zipper usage
-benchmark zipper
-  type:           exitcode-stdio-1.0
-  main-is:        zipper.hs
-  ghc-options:    -w -O2 -threaded -fdicts-cheap -funbox-strict-fields
-  hs-source-dirs: benchmarks
-  build-depends:
-    base,
-    comonad,
-    comonads-fd,
-    criterion,
+    comonad >= 4,
+    criterion >= 1,
     deepseq,
     generic-deriving,
     lens,