run gcc15 in different github actions workflow

Author: gschlager

.github/workflows/test-gcc15.yml

@@ -0,0 +1,40 @@
+name: Tests (GCC 15)
+
+on: [push, pull_request]
+
+concurrency:
+  group: tests-${{ format('{0}-{1}', github.head_ref || github.run_number, github.job) }}
+  cancel-in-progress: true
+
+jobs:
+  build:
+    strategy:
+      fail-fast: false
+      matrix:
+        ruby: ['3.2', '3.3', '3.4', 'head']
+
+    name: ubuntu-latest, ${{matrix.ruby}}
+
+    if: github.event_name != 'pull_request' || github.event.pull_request.head.repo.full_name != github.event.pull_request.base.repo.full_name
+
+    runs-on: ubuntu-latest
+
+    container:
+      image: ghcr.io/mattkretz/cplusplus-ci/gcc15
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Install packages
+        run: apt-get install -y libsqlite3-dev
+
+      - uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: ${{matrix.ruby}}
+          bundler-cache: true
+
+      - name: Compile C-extension
+        run: bundle exec rake compile
+
+      - name: Run tests
+        run: bundle exec rake test

.github/workflows/test.yml

@@ -1,6 +1,6 @@
 name: Tests (extralite)
 
-on: [push, pull_request]
+on: [ push, pull_request ]
 
 concurrency:
   group: tests-${{ format('{0}-{1}', github.head_ref || github.run_number, github.job) }}
@@ -11,87 +11,28 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-latest, macos-latest]
-        ruby: ['3.2', '3.3', '3.4', 'head']
-        gcc: [13, 14, 15, null]
-        exclude:
-          # No GCC versions for macOS
-          - os: macos-latest
-            gcc: 13
-          - os: macos-latest
-            gcc: 14
-          - os: macos-latest
-            gcc: 15
-          # No null GCC for Ubuntu
-          - os: ubuntu-latest
-            gcc: null
+        os: [ ubuntu-latest, macos-latest ]
+        ruby: [ '3.2', '3.3', '3.4', 'head' ]
 
-    name: ${{matrix.os}}, Ruby ${{matrix.ruby}}${{ matrix.gcc && format(' (GCC {0})', matrix.gcc) || '' }}
+    name: ${{matrix.os}}, ${{matrix.ruby}}
 
     if: github.event_name != 'pull_request' || github.event.pull_request.head.repo.full_name != github.event.pull_request.base.repo.full_name
 
     runs-on: ${{matrix.os}}
+
     steps:
       - uses: actions/checkout@v4
+
+      - name: Install packages
+        if: matrix.os == 'ubuntu-latest'
+        run: sudo apt-get install -y libsqlite3-dev
+
       - uses: ruby/setup-ruby@v1
         with:
           ruby-version: ${{matrix.ruby}}
           bundler-cache: true
-          apt-get: libsqlite3-dev
-
-      - name: Install GCC 13/14
-        if: matrix.os == 'ubuntu-latest' && (matrix.gcc == '13' || matrix.gcc == '14')
-        run: |
-          sudo apt-get update
-          sudo apt-get install -y gcc-${{ matrix.gcc }} g++-${{ matrix.gcc }}
-          sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-${{ matrix.gcc }} 100
-          sudo update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-${{ matrix.gcc }} 100
-          gcc --version
-
-      - name: Compile with GCC 15 using cplusplus-ci
-        if: matrix.os == 'ubuntu-latest' && matrix.gcc == '15'
-        run: |
-          # Pull the pre-built GCC 15 image
-          docker pull gcc:15
-
-          # Find Ruby and gem paths
-          RUBY_PATH=$(dirname $(which ruby))
-          GEM_PATH=$(dirname $(which gem))
-          BUNDLE_PATH=$(dirname $(which bundle))
-
-          # Get Ruby lib directories
-          RUBY_LIB=$(ruby -e 'puts RbConfig::CONFIG["libdir"]')
-          RUBY_INCLUDE=$(ruby -e 'puts RbConfig::CONFIG["rubyhdrdir"]')
-          RUBY_ARCH_INCLUDE=$(ruby -e 'puts RbConfig::CONFIG["rubyarchhdrdir"]')
-
-          # Install required libraries in the container
-          docker run --rm gcc:15 apt-get update
-          docker run --rm gcc:15 apt-get install -y libsqlite3-dev
-
-          # Compile the extension inside the container with GCC 15
-          # Mount Ruby binaries, libraries, and include files
-          docker run --rm \
-            -v $PWD:/app \
-            -v $RUBY_PATH:$RUBY_PATH \
-            -v $GEM_PATH:$GEM_PATH \
-            -v $BUNDLE_PATH:$BUNDLE_PATH \
-            -v $RUBY_LIB:$RUBY_LIB \
-            -v $RUBY_INCLUDE:$RUBY_INCLUDE \
-            -v $RUBY_ARCH_INCLUDE:$RUBY_ARCH_INCLUDE \
-            -e PATH=$PATH:$RUBY_PATH:$GEM_PATH:$BUNDLE_PATH \
-            -e CC=gcc \
-            -e RUBY_LIB=$RUBY_LIB \
-            -e RUBY_INCLUDE=$RUBY_INCLUDE \
-            -e RUBY_ARCH_INCLUDE=$RUBY_ARCH_INCLUDE \
-            -w /app \
-            gcc:15 bash -c "bundle exec rake compile"
-
-      - name: Compile on Ubuntu (non-GCC 15)
-        if: matrix.os == 'ubuntu-latest' && matrix.gcc != '15'
-        run: CC=gcc-${{ matrix.gcc }} bundle exec rake compile
 
-      - name: Compile on macOS
-        if: matrix.os == 'macos-latest'
+      - name: Compile C-extension
         run: bundle exec rake compile
 
       - name: Run tests