GHA, take two

.github/workflows/codegen.yml

@@ -26,51 +26,88 @@ jobs:
 
       - name: dry-run-pspamm
         run: |
+          set +e
           pspamm-generator
+          retcode=$?
+          set -e
+
+          if [ $retcode -ne 2 ]; then
+            echo "Unexpected exit code."
+            exit 1
+          fi
+
+          echo "Success!"
 
   pspamm-codegen-avx:
     name: pspamm-codegen-avx
     runs-on: ubuntu-22.04
     needs: install-pspamm
     steps:
+      - name: apt-get
+        run: |
+          set -euo pipefail
+          sudo apt-get update
+          sudo apt-get install g++
+
+      - name: checkout-pspamm
+        uses: actions/checkout@v4
+
       - name: setup-qemu
         uses: docker/setup-qemu-action@v3
 
       - name: run-pspamm-tests
         run: |
           cd tests/
-          python tests/unit_tests_hsw.py
-          g++ -mavx2 tests/build/hsw_testsuite.cpp
+          python unit_tests_hsw.py
+          g++ -mavx2 build/hsw_testsuite.cpp
           qemu-x86_64-static -cpu max build/hsw-test
 
   pspamm-codegen-avx512:
     name: pspamm-codegen-avx512
     runs-on: ubuntu-22.04
     needs: install-pspamm
     steps:
+      - name: apt-get
+        run: |
+          set -euo pipefail
+          sudo apt-get update
+          sudo apt-get install g++
+
+      - name: checkout-pspamm
+        uses: actions/checkout@v4
+
       - name: setup-qemu
         uses: docker/setup-qemu-action@v3
 
       - name: run-pspamm-tests
         run: |
           cd tests/
-          python tests/unit_tests_knl.py
-          g++ -mavx512f tests/build/knl_testsuite.cpp
+          python unit_tests_knl.py
+          g++ -mavx512f build/knl_testsuite.cpp
           qemu-x86_64-static -cpu max build/knl-test
 
   pspamm-codegen-aarch64:
     name: pspamm-codegen-aarch64
     runs-on: ubuntu-22.04
     needs: install-pspamm
     steps:
+      - name: apt-get
+        run: |
+          set -euo pipefail
+          sudo apt-get update
+          sudo apt-get install g++-aarch64-linux-gnu
+
+      - name: checkout-pspamm
+        uses: actions/checkout@v4
+
       - name: setup-qemu
         uses: docker/setup-qemu-action@v3
 
       - name: run-pspamm-tests
         run: |
           cd tests/
-          python tests/unit_tests_arm.py
-          aarch64-linux-gnu-g++ -static -march=armv8.2-a tests/build/arm_testsuite.cpp
+          python unit_tests_arm.py
+          aarch64-linux-gnu-g++ -static -march=armv8.2-a build/arm_testsuite.cpp
           qemu-aarch64-static -cpu max build/arm-test
 
   pspamm-codegen-armsve:
@@ -87,6 +124,15 @@ jobs:
           - 1024
           - 2048
     steps:
+      - name: apt-get
+        run: |
+          set -euo pipefail
+          sudo apt-get update
+          sudo apt-get install g++-aarch64-linux-gnu
+
+      - name: checkout-pspamm
+        uses: actions/checkout@v4
+
       - name: setup-qemu
         uses: docker/setup-qemu-action@v3