run_test_suite.yml: Play with different versions of GCC

Signed-off-by: Sebastian Pipping <[email protected]>

Author: hartwork

.github/workflows/run_test_suite.yml

@@ -30,8 +30,26 @@ permissions:
 
 jobs:
   test_suite:
-    name: Run the test suite
-    runs-on: ubuntu-24.04
+    name: "Run the test suite (GCC ${{ matrix.gcc }}, ${{ matrix.runs-on }})"
+    runs-on: ${{ matrix.runs-on }}
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - runs-on: ubuntu-22.04
+            gcc: 9
+          - runs-on: ubuntu-22.04
+            gcc: 10
+          - runs-on: ubuntu-22.04
+            gcc: 11
+          - runs-on: ubuntu-22.04
+            gcc: 12
+          - runs-on: ubuntu-24.04
+            gcc: 12
+          - runs-on: ubuntu-24.04
+            gcc: 13
+          - runs-on: ubuntu-24.04
+            gcc: 14
     steps:
       - uses: actions/checkout@v4
 
@@ -65,6 +83,20 @@ jobs:
 
           sudo perl -MCPAN -e 'install(Memory::Process)'  # no package in Ubuntu
 
+      - name: "Make GCC ${{ matrix.gcc }} systemwide default"
+        run: |-
+          set -x -o pipefail
+          # Make requested version GCC and GCOV the system default
+          # before we have an easy way to fully divert "make check"
+          # off of the default commands
+          for i in gcc{,-{ar,nm,ranlib}} gcov{,-{dump,tool}} lto-dump ; do
+            [[ -e /usr/bin/"${i}" ]] || continue
+            sudo rm /usr/bin/"${i}"
+            sudo ln -s "${i}-${{ matrix.gcc }}" /usr/bin/"${i}"
+            "${i}" --version | head -n1
+          done
+          ls -l /usr/bin/*-"${{ matrix.gcc }}"
+
       - name: make install
         run: |-
           set -x -o pipefail
@@ -86,13 +118,13 @@ jobs:
       - name: Upload test log as an artifact
         uses: actions/upload-artifact@v4
         with:
-          name: "lcov-${{ github.sha }}-${{ runner.os }}-test-log"  # .zip
+          name: "lcov-${{ github.sha }}-${{ runner.os }}-GCC-${{ runner.gcc }}-test-log"  # .zip
           path: tests/test.log
           if-no-files-found: error
 
       - name: Upload test directory shrapnel  as an artifact
         uses: actions/upload-artifact@v4
         with:
-          name: "lcov-${{ github.sha }}-${{ runner.os }}-shrapnel"  # .zip
+          name: "lcov-${{ github.sha }}-${{ runner.os }}-GCC-${{ runner.gcc }}-shrapnel"  # .zip
           path: tests
           #if-no-files-found: error