From 35ea63c10b3b46d55032a43703b94a1fa757ba3a Mon Sep 17 00:00:00 2001
From: Michael Snoyman <michael@snoyman.com>
Date: Mon, 13 Aug 2018 20:49:46 +0300
Subject: [PATCH] Avoid GPL3 libs in cabal-install haskell/cabal#4883

---
 build-constraints.yaml | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/build-constraints.yaml b/build-constraints.yaml
index 9a66cace..e611e31e 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -3740,6 +3740,8 @@ package-flags:
 
     cabal-install:
         lib: true
+        # https://github.com/haskell/cabal/issues/4883
+        native-dns: false
 
     # https://github.com/commercialhaskell/stackage/issues/3666
     safe-money: