Updates from YosysHQ

.github/workflows/test-macos.yml

@@ -3,7 +3,23 @@ name: Build and run tests (macOS)
 on: [push, pull_request]
 
 jobs:
+  pre_job:
+    runs-on: ubuntu-latest
+    outputs:
+      should_skip: ${{ steps.skip_check.outputs.should_skip }}
+    steps:
+      - id: skip_check
+        uses: fkirc/skip-duplicate-actions@v5
+        with:
+          paths_ignore: '["**/README.md", "docs/**", "guidelines/**"]'
+          # cancel previous builds if a new commit is pushed
+          cancel_others: 'true'
+          # only run on push *or* pull_request, not both
+          concurrent_skipping: 'same_content_newer'
+
   test-macos:
+    needs: pre_job
+    if: needs.pre_job.outputs.should_skip != 'true'
     runs-on: ${{ matrix.os.id }}
     strategy:
       matrix:
@@ -36,7 +52,8 @@ jobs:
 
       - name: Checkout Yosys
         uses: actions/checkout@v4
-
+        with:
+         submodules: true
       - name: Get iverilog
         shell: bash
         run: |