haskell-happy: fix build with ghc-7.8.x

This commit is contained in:
Peter Simons 2017-09-07 10:47:47 +02:00
parent 8809e87684
commit 072a0d8872

View File

@ -162,4 +162,7 @@ self: super: {
comonad = dontCheck super.comonad; comonad = dontCheck super.comonad;
semigroupoids = dontCheck super.semigroupoids; semigroupoids = dontCheck super.semigroupoids;
# https://github.com/simonmar/happy/issues/103
happy = super.happy.override { mtl = self.mtl_2_2_1; };
} }