THRIFT-4634: work around cabal 1.22 dependency bug breaking CI job for Xenial
diff --git a/lib/hs/thrift.cabal b/lib/hs/thrift.cabal
index 4e9cb18..03a9814 100644
--- a/lib/hs/thrift.cabal
+++ b/lib/hs/thrift.cabal
@@ -19,7 +19,7 @@
Name: thrift
Version: 1.0.0-dev
-Cabal-Version: >= 1.8
+Cabal-Version: >= 1.24
License: OtherLicense
Category: Foreign
Build-Type: Simple
@@ -63,7 +63,9 @@
Thrift.Transport.IOBuffer,
Thrift.Transport.Memory,
Thrift.Types
- Extensions:
+ Default-Language:
+ Haskell2010
+ Default-Extensions:
DeriveDataTypeable,
ExistentialQuantification,
FlexibleInstances,