Merge pull request #245 from konn/ghc84

Workaround for GHC-8.4.x

1 files changed, 4 insertions, 0 deletions

diff --git a/packages/gsl/src/Numeric/GSL/Fitting.hs b/packages/gsl/src/Numeric/GSL/Fitting.hs
index 9a2f665..8f2eae3 100644
--- a/packages/gsl/src/Numeric/GSL/Fitting.hs
+++ b/packages/gsl/src/Numeric/GSL/Fitting.hs
@@ -1,3 +1,4 @@
+{-# LANGUAGE CPP #-}
 {-# LANGUAGE FlexibleContexts #-}
 
 {- |
@@ -58,6 +59,9 @@ import Numeric.GSL.Internal
 import Foreign.Ptr(FunPtr, freeHaskellFunPtr)
 import Foreign.C.Types
 import System.IO.Unsafe(unsafePerformIO)
+#if MIN_VERSION_base(4,11,0)
+import Prelude hiding ((<>))
+#endif
 
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