From 25f8abe2c12ae521ac754ce4af3bf373a2d7ad47 Mon Sep 17 00:00:00 2001
From: jgotoh <18658140+jgotoh@users.noreply.github.com>
Date: Fri, 31 May 2024 16:14:56 +0200
Subject: [PATCH] Add missing constraintKinds

---
 .../src/Distribution/Client/CmdInstall/ClientInstallFlags.hs     | 1 +
 1 file changed, 1 insertion(+)

diff --git a/cabal-install/src/Distribution/Client/CmdInstall/ClientInstallFlags.hs b/cabal-install/src/Distribution/Client/CmdInstall/ClientInstallFlags.hs
index b7f12466b7b..36099dc0bab 100644
--- 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 #-}