Add missing constraintKinds

jgotoh · May 31, 2024 · 25f8abe · 25f8abe
1 parent d7cdff0
commit 25f8abe
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/cabal-install/src/Distribution/Client/CmdInstall/ClientInstallFlags.hs b/cabal-install/src/Distribution/Client/CmdInstall/ClientInstallFlags.hs
@@ -1,3 +1,4 @@
+{-# LANGUAGE ConstraintKinds #-}
 {-# LANGUAGE DeriveGeneric #-}
 {-# LANGUAGE LambdaCase #-}
 {-# LANGUAGE OverloadedStrings #-}