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-rw-r--r--dev-haskell/lvmlib/files/lvmlib-1.1-ghc84.patch14
1 files changed, 14 insertions, 0 deletions
diff --git a/dev-haskell/lvmlib/files/lvmlib-1.1-ghc84.patch b/dev-haskell/lvmlib/files/lvmlib-1.1-ghc84.patch
new file mode 100644
index 000000000000..8f9e85402f9c
--- /dev/null
+++ b/dev-haskell/lvmlib/files/lvmlib-1.1-ghc84.patch
@@ -0,0 +1,14 @@
+--- a/Lvm/Common/Byte.hs
++++ b/Lvm/Common/Byte.hs
+@@ -19,2 +19,3 @@ import System.Exit
+ import System.IO
++import qualified Data.Semigroup as S
+
+@@ -68,2 +69,7 @@ max32 = 2^(32::Int) -1 -- Bastiaan (Todo: check)
+
++instance S.Semigroup Bytes where
++ (<>) bs Nil = bs
++ (<>) Nil cs = cs
++ (<>) bs cs = Cat bs cs
++
+ instance Monoid Bytes where