Added default -O2

VyacheslavHashov · VyacheslavHashov · commit bd7d21d3c2ae · 2017-02-12T16:42:27.000+03:00
diff --git a/socket-unix.cabal b/socket-unix.cabal
@@ -27,7 +27,7 @@ library
                      , socket       >= 0.6.0.0  && < 0.8.0.0
                      , bytestring   >= 0.10.0.0 && < 0.11
 
-  ghc-options:         -Wall
+  ghc-options:         -Wall -O2
   default-language:    Haskell2010
 
 test-suite default
