From ee0b55402d603f3db3fe63ad5c91db070a2b0af6 Mon Sep 17 00:00:00 2001
From: Alexey Zabelin <hello@alexeyzabelin.com>
Date: Mon, 27 May 2019 16:39:16 -0700
Subject: [PATCH] Upper bound for systemd, #4588

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

diff --git a/build-constraints.yaml b/build-constraints.yaml
index 89718738..6b422612 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -4640,6 +4640,9 @@ packages:
         # https://github.com/commercialhaskell/stackage/issues/4585
         - rattletrap < 7
 
+        # https://github.com/commercialhaskell/stackage/issues/4588
+        - systemd < 2
+
 # end of packages
 
 # Package flags are applied to individual packages, and override the values of