From 270ce1dc97643427ecde8a5e48b03e15ec28f2f2 Mon Sep 17 00:00:00 2001
From: Andreas Abel <andreas.abel@ifi.lmu.de>
Date: Sat, 18 Nov 2023 06:54:12 +0800
Subject: [PATCH] CI: work around haskell/hsc2hs#81: restrict to hsc2hs<0.68.10
 for GHC<8.4

---
 .github/workflows/win.yml | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/.github/workflows/win.yml b/.github/workflows/win.yml
index 6c9b64c..6c9b862 100644
--- a/.github/workflows/win.yml
+++ b/.github/workflows/win.yml
@@ -18,6 +18,13 @@ jobs:
     - uses: haskell-actions/setup@v2
       with:
         ghc-version: ${{ matrix.ghc }}
+
+    - name: "Work around haskell/hsc2hs#81: hsc2hs-0.68.10 fails to build with GHC < 8.4"
+      if:  matrix.ghc < 8.4
+      run: |
+        echo "constraints: any.hsc2hs < 0.68.10" > cabal.project.local
+      shell: bash
+
     - run: cabal build
     - run: cabal haddock
     - run: cabal check