ci: Unify test-*.yml

Also rename `build-artifact` to use `matrix.os` for compatibility with testing across OS.

.github/workflows/test-linux.yml → .github/workflows/test-build.yml

@@ -1,4 +1,4 @@
-name: Build and run tests (Linux)
+name: Build and run tests
 
 on:
   pull_request:
@@ -9,18 +9,18 @@ on:
     - master
 
 jobs:
-  build-linux:
-    runs-on: ${{ matrix.os.id }}
+  build-yosys:
+    runs-on: ${{ matrix.os }}
     env:
       CC: ${{ matrix.compiler }}
       CXX: ${{ matrix.compiler }}
       CXXSTD: ${{ matrix.cpp_std }}
     strategy:
       matrix:
         os:
-          - { id: ubuntu-20.04, name: focal }
+          - ubuntu-20.04
+          - macos-13
         compiler:
-          - 'clang'
           - 'clang-12'
           - 'gcc-11'
         cpp_std:
@@ -29,21 +29,34 @@ jobs:
           - 'c++17'
           - 'c++20'
         include:
-          # Limit the older compilers to C++11 mode
-          - os: { id: ubuntu-20.04, name: focal }
+          # Build for testing
+          - os: ubuntu-20.04
+            compiler: 'clang'
+            cpp_std: 'c++11'
+          # Limited testing for older compilers
+          - os: ubuntu-20.04
             compiler: 'clang-11'
             cpp_std: 'c++11'
-          - os: { id: ubuntu-20.04, name: focal }
+          - os: ubuntu-20.04
             compiler: 'gcc-10'
             cpp_std: 'c++11'
+          # Add os_name
+          - os: ubuntu-20.04
+            os_name: focal
       fail-fast: false
     steps:
-      - name: Install Dependencies
+      - name: Install Linux Dependencies
+        if: runner.os == 'Linux'
         shell: bash
         run: |
           sudo apt-get update
           sudo apt-get install gperf build-essential bison flex libreadline-dev gawk tcl-dev libffi-dev git graphviz xdot pkg-config python python3 libboost-system-dev libboost-python-dev libboost-filesystem-dev zlib1g-dev
 
+      - name: Install macOS Dependencies
+        if: runner.os == 'macOS'
+        run: |
+          brew install bison flex gawk libffi pkg-config bash
+
       - name: Setup GCC
         if: startsWith(matrix.compiler, 'gcc')
         shell: bash
@@ -62,18 +75,28 @@ jobs:
           wget https://apt.llvm.org/llvm-snapshot.gpg.key
           sudo apt-key add llvm-snapshot.gpg.key
           rm llvm-snapshot.gpg.key
-          sudo apt-add-repository "deb https://apt.llvm.org/${{ matrix.os.name }}/ llvm-toolchain-${{ matrix.os.name }} main"
+          sudo apt-add-repository "deb https://apt.llvm.org/${{ matrix.os_name }}/ llvm-toolchain-${{ matrix.os_name }} main"
           sudo apt-get update
           CXX=${CC/#clang/clang++}
           sudo apt-get install $CC $CXX
           echo "CXX=$CXX" >> $GITHUB_ENV
 
-      - name: Runtime environment
+      - name: Linux runtime environment
+        if: runner.os == 'Linux'
         shell: bash
         run: |
           echo "${{ github.workspace }}/.local/bin" >> $GITHUB_PATH
           echo "procs=$(nproc)" >> $GITHUB_ENV
 
+      - name: macOS runtime environment
+        if: runner.os == 'macOS'
+        shell: bash
+        run: |
+          echo "${{ github.workspace }}/.local/bin" >> $GITHUB_PATH
+          echo "$(brew --prefix bison)/bin" >> $GITHUB_PATH
+          echo "$(brew --prefix flex)/bin" >> $GITHUB_PATH
+          echo "procs=$(sysctl -n hw.ncpu)" >> $GITHUB_ENV
+
       - name: Tool versions
         shell: bash
         run: |
@@ -101,7 +124,7 @@ jobs:
         if: (matrix.cpp_std == 'c++11') && (matrix.compiler == 'clang')
         uses: actions/upload-artifact@v4
         with:
-          name: build-artifact
+          name: build-${{ matrix.os }}
           path: build.tar
           retention-days: 1
 
@@ -159,7 +182,7 @@ jobs:
       - name: Download build artifact
         uses: actions/download-artifact@v4
         with:
-          name: build-artifact
+          name: build-${{ matrix.os }}
 
       - name: Uncompress build
         shell: bash