From 085e67d3cd878a7a46a8fbdd7e55efd5bc9bc27c Mon Sep 17 00:00:00 2001
From: nonlin-lin-chaos-order-etc-etal
 <19966907+nonlin-lin-chaos-order-etc-etal@users.noreply.github.com>
Date: Thu, 9 Dec 2021 01:41:33 +0800
Subject: [PATCH] +ubuntu2004 +nproc

---
 .github/workflows/build.yml | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index a211c5f..b86ea6d 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -5,7 +5,11 @@ on: [push, pull_request]
 jobs:
   build_qt:
     name: With QT GUI
-    runs-on: ubuntu-18.04
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+#        os: [ubuntu-latest, windows-latest, macOS-latest]
+        os: [ubuntu-18.04, ubuntu-20.04]
     steps:
     - uses: actions/checkout@v2
       with:
@@ -18,4 +22,4 @@ jobs:
     - name: build application
       run: |
         qmake
-        make -j3
\ No newline at end of file
+        make -j$(nproc)