From 4d18d8f253e214082e9b160dc475d5d000ed3158 Mon Sep 17 00:00:00 2001
From: Alexey Zabelin <hello@alexeyzabelin.com>
Date: Thu, 8 Mar 2018 13:50:58 -0500
Subject: [PATCH] Add constraint "Cabal < 2.2" per #3340

---
 build-constraints.yaml | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/build-constraints.yaml b/build-constraints.yaml
index dc58bb01..e5778881 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -3438,6 +3438,9 @@ packages:
         # https://github.com/fpco/stackage/issues/3339
         - base-orphans < 0.7
 
+        # https://github.com/fpco/stackage/issues/3340
+        - Cabal < 2.2
+
 # end of packages
 
 # Package flags are applied to individual packages, and override the values of