From 441e4fc59901e4c472fe6f716467693c71eaec1a Mon Sep 17 00:00:00 2001
From: greg7mdp <greg7mdp@gmail.com>
Date: Fri, 20 Sep 2024 22:08:23 -0400
Subject: [PATCH] Update `.github/workflows/linux.yml`

---
 .github/workflows/linux.yml | 43 +++++++++++++++----------------------
 1 file changed, 17 insertions(+), 26 deletions(-)

diff --git a/.github/workflows/linux.yml b/.github/workflows/linux.yml
index dc8bf18..28c225b 100644
--- a/.github/workflows/linux.yml
+++ b/.github/workflows/linux.yml
@@ -12,35 +12,26 @@ jobs:
       matrix:
         os: [ubuntu-22.04]
         compiler: [g++-9, g++-10, clang++-17]
-        build_type: [Debug, Release]
+        optimize: [-O2]
         standard: [20]
+
+    env:
+      CXX: ${{ matrix.compiler }}
+      CXXFLAGS: ${{ matrix.flags }} ${{ matrix.optimize }}
+      CTEST_OUTPUT_ON_FAILURE: 1
+      CTEST_NO_TESTS_ACTION: error
+      CTEST_PARALLEL_LEVEL: 0
+      CMAKE_BUILD_PARALLEL_LEVEL: 4
+
     steps:
     - name: Checkout
-      uses: actions/checkout@v2.0.0
-
-    - name: Create Environment
-      run: |
-        sudo apt update
-        sudo apt install -y g++-9 g++-10
-        wget https://apt.llvm.org/llvm.sh; chmod u+x llvm.sh; sudo ./llvm.sh 17
-        cmake -E make_directory ${{runner.workspace}}/build
+      uses: actions/checkout@v4
 
-    - name: Configure
-      working-directory: ${{runner.workspace}}/build
-      env:
-        CXX: ${{ matrix.compiler }}
-      run: |
-        cmake -DCMAKE_VERBOSE_MAKEFILE:BOOL=ON -DCMAKE_CXX_STANDARD=${{matrix.standard}} -DCMAKE_BUILD_TYPE=${{matrix.build_type}} $GITHUB_WORKSPACE
+    - name: CMake configure
+      run: cmake -DCMAKE_VERBOSE_MAKEFILE:BOOL=ON -DCMAKE_BUILD_TYPE=Release -B build
 
-    - name: Build
-      working-directory: ${{runner.workspace}}/build
-      run: |
-        cpus=`nproc`
-        cmake --build . --config ${{matrix.build_type}} --parallel $cpus
+    - name: CMake build
+      run: cmake --build build
 
-    - name: Test
-      working-directory: ${{runner.workspace}}/build
-      env:
-        CTEST_OUTPUT_ON_FAILURE: True
-      run: |
-        ctest -C ${{matrix.build_type}}
+    - name: CMake test
+      run: ctest --test-dir build