Enable functional tests on public CI

.github/actions/setup-build-env/action.yml

@@ -9,12 +9,14 @@ runs:
       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 python3 libboost-system-dev libboost-python-dev libboost-filesystem-dev zlib1g-dev
+        pip3 install pytest
 
     - name: Install macOS Dependencies
       if: runner.os == 'macOS'
       shell: bash
       run: |
         HOMEBREW_NO_INSTALLED_DEPENDENTS_CHECK=1 brew install bison flex gawk libffi pkg-config bash autoconf llvm
+        pip3 install -U pytest --break-system-packages
 
     - name: Linux runtime environment
       if: runner.os == 'Linux'

.github/workflows/test-build.yml

@@ -100,6 +100,16 @@ jobs:
           cd iverilog
           echo "IVERILOG_GIT=$(git rev-parse HEAD)" >> $GITHUB_ENV
 
+      - name: Get vcd2fst
+        shell: bash
+        run: |
+          git clone https://github.com/mmicko/libwave.git
+          mkdir -p ${{ github.workspace }}/.local/
+          cd libwave
+          cmake . -DCMAKE_INSTALL_PREFIX=${{ github.workspace }}/.local
+          make -j$procs
+          make install
+
       - name: Cache iverilog
         id: cache-iverilog
         uses: actions/cache@v4
@@ -135,7 +145,7 @@ jobs:
       - name: Run tests
         shell: bash
         run: |
-          make -j$procs test TARGETS= EXTRA_TARGETS= CONFIG=$CC
+          make -j$procs test TARGETS= EXTRA_TARGETS= CONFIG=$CC ENABLE_FUNCTIONAL_TESTS=1
 
       - name: Report errors
         if: ${{ failure() }}