From 64c4ac1ebc56bb5e1f9eb1b34d4771d113f82a1b Mon Sep 17 00:00:00 2001
From: Markus Frank <Markus.Frank@cern.ch>
Date: Mon, 11 Jul 2022 16:00:05 +0200
Subject: [PATCH] Reduce number of build threads on MAC

---
 .github/workflows/mac.yml | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/mac.yml b/.github/workflows/mac.yml
index 408fc81b4..cdab181b7 100644
--- a/.github/workflows/mac.yml
+++ b/.github/workflows/mac.yml
@@ -21,8 +21,8 @@ jobs:
           mkdir build
           cd build
           cmake -GNinja -DDD4HEP_USE_GEANT4=ON -DBoost_NO_BOOST_CMAKE=ON -DDD4HEP_USE_LCIO=ON -DBUILD_TESTING=ON -DDD4HEP_USE_XERCESC=ON -DCMAKE_BUILD_TYPE=Release -DCMAKE_CXX_STANDARD=17 ..
-          ninja
-          ninja install
+          ninja -j 2
+          ninja install -j2
           . ../bin/thisdd4hep.sh
           ctest --output-on-failure -j4
           cd ../examples/
-- 
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