From 9dd06e14f29372ec822f4c856ef69f2ecc33adb7 Mon Sep 17 00:00:00 2001
From: Adam Bergmark <adam@bergmark.nl>
Date: Mon, 15 Jun 2020 03:34:54 +0200
Subject: [PATCH] optparse-generic < 1.4.0 for #5423

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

diff --git a/build-constraints.yaml b/build-constraints.yaml
index 5be435d9..976e2f47 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -4870,6 +4870,9 @@ packages:
       # https://github.com/commercialhaskell/stackage/issues/5421
       - hosc < 0.18
 
+      # https://github.com/commercialhaskell/stackage/issues/5423
+      - optparse-generic < 1.4.0
+
 # end of packages
 
 # Package flags are applied to individual packages, and override the values of