[commit: packages/binary] master: Turn on more warnings if ghc >= 7.11. (6aafbcf)

[git at git.haskell.org]

Repository : ssh://git@git.haskell.org/binary

On branch  : master
Link       : http://git.haskell.org/packages/binary.git/commitdiff/6aafbcfda0529380e75269c463182c9cf6d959e8

>---------------------------------------------------------------

commit 6aafbcfda0529380e75269c463182c9cf6d959e8
Author: Lennart Kolmodin <kolmodin at google.com>
Date:   Thu Jan 21 11:24:39 2016 +0100

    Turn on more warnings if ghc >= 7.11.


>---------------------------------------------------------------

6aafbcfda0529380e75269c463182c9cf6d959e8
 binary.cabal | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/binary.cabal b/binary.cabal
index 7781a03..899fc50 100644
--- a/binary.cabal
+++ b/binary.cabal
@@ -53,6 +53,9 @@ library
 
   ghc-options:     -O2 -Wall -fliberate-case-threshold=1000
 
+  if impl(ghc >= 7.11)
+    ghc-options: -Wcompat -Wnoncanonical-monad-instances
+
 -- Due to circular dependency, we cannot make any of the test-suites or
 -- benchmark depend on the binary library. Instead, for each test-suite and
 -- benchmark, we include the source directory of binary and build-depend on all