build: Try to build on macos

.github/workflows/ci.yml

@@ -3,7 +3,7 @@ name: C/C++ CI
 on:
   push:
     branches: [ master ]
-    paths-ignore: 
+    paths-ignore:
       - '*.md'
       - 'docs/**'
       - 'isagenerator/**'
@@ -12,7 +12,7 @@ on:
       - 'LICENSE'
   pull_request:
     branches: [ master ]
-    paths-ignore: 
+    paths-ignore:
       - '*.md'
       - 'docs/**'
       - 'isagenerator/**'
@@ -21,7 +21,7 @@ on:
       - 'LICENSE'
   release:
     types: [published]
-  
+
 
 jobs:
   Linux-build:
@@ -97,7 +97,7 @@ jobs:
       with:
         files: 'x64-windows-release.zip;x86-windows-release.zip'
         repo-token: ${{ secrets.GITHUB_TOKEN }}
-        
+
   Windows-cmake-build:
 
     runs-on: windows-latest
@@ -117,6 +117,21 @@ jobs:
         ninja
         cd -
 
+jobs:
+  Macos-build:
+
+    runs-on: macos-latest
+
+    steps:
+    - uses: actions/checkout@v3
+    - name: Build all
+      run: |
+        mkdir build
+        cd build
+        cmake .. -DCMAKE_BUILD_TYPE=Release
+        make -j$(nproc)
+        cd -
+
   Code-checks:
 
     runs-on: ubuntu-latest