From da8d7f09f18efc3101dfac4e1ef1c9413a15f71b Mon Sep 17 00:00:00 2001
From: Martin Kroeker <martin@ruby.chemie.uni-freiburg.de>
Date: Wed, 13 Jan 2021 09:46:53 +0100
Subject: [PATCH] try to work around gcc update problems

---
 .github/workflows/nightly-Homebrew-build.yml | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/.github/workflows/nightly-Homebrew-build.yml b/.github/workflows/nightly-Homebrew-build.yml
index 8d7cfea2d..b025f8634 100644
--- a/.github/workflows/nightly-Homebrew-build.yml
+++ b/.github/workflows/nightly-Homebrew-build.yml
@@ -44,6 +44,11 @@ jobs:
         if: github.event_name != 'pull_request'
         run: brew update || true
 
+      - name: unlink installed gcc to allow updating
+        run: |
+          brew unlink gcc@8
+          brew unlink gcc@9
+          
       - name: Install prerequisites
         run: brew install --fetch-HEAD --HEAD --only-dependencies --keep-tmp openblas