From 64fdfc32dfc1d700049199797c0d7d9e85d29b76 Mon Sep 17 00:00:00 2001
From: Dan Burton <danburton.email@gmail.com>
Date: Mon, 3 Sep 2018 06:01:40 -0700
Subject: [PATCH] Add constraint "Cabal < 2.3" per #3950

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

diff --git a/build-constraints.yaml b/build-constraints.yaml
index 0b527a17..0d861082 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -3688,6 +3688,9 @@ packages:
         # https://github.com/commercialhaskell/stackage/issues/3949
         - QuickCheck < 2.12
 
+        # https://github.com/commercialhaskell/stackage/issues/3950
+        - Cabal < 2.3
+
 # end of packages
 
 # Package flags are applied to individual packages, and override the values of