remove old compilers

Author: maxbachmann

.github/workflows/linux-simple.yml

@@ -4,108 +4,20 @@ on: [push, pull_request]
 
 jobs:
   build:
-    name: ${{matrix.cxx}}, C++${{matrix.std}}, ${{matrix.build_type}}
-    runs-on: ubuntu-22.04
+    name: ${{matrix.compiler}}, C++${{matrix.std}}, ${{matrix.build_type}}
+    runs-on: ubuntu-latest
     strategy:
       fail-fast: false
       matrix:
         compiler:
-          - g++-5
-          - g++-6
-          - g++-7
-          - g++-8
-          - g++-9
-          - g++-10
-          - clang++-6.0
-          - clang++-7
-          - clang++-8
-          - clang++-9
-          - clang++-10
+          - g++-13
+          - clang-18
         build_type: [Debug, Release]
-        std: [11]
-        include:
-          - cxx: g++-5
-            other_pkgs: g++-5
-          - cxx: g++-6
-            other_pkgs: g++-6
-          - cxx: g++-7
-            other_pkgs: g++-7
-          - cxx: g++-8
-            other_pkgs: g++-8
-          - cxx: g++-9
-            other_pkgs: g++-9
-          - cxx: g++-10
-            other_pkgs: g++-10
-          - cxx: clang++-6.0
-            other_pkgs: clang-6.0
-          - cxx: clang++-7
-            other_pkgs: clang-7
-          - cxx: clang++-8
-            other_pkgs: clang-8
-          - cxx: clang++-9
-            other_pkgs: clang-9
-          - cxx: clang++-10
-            other_pkgs: clang-10
-
-          - cxx: clang++-10
-            other_pkgs: clang-10
-            std: 14
-            build_type: Debug
-          - cxx: clang++-10
-            other_pkgs: clang-10
-            std: 17
-            build_type: Debug
-          - cxx: clang++-10
-            other_pkgs: clang-10
-            std: 20
-            build_type: Debug
-          - cxx: g++-10
-            other_pkgs: g++-10
-            std: 14
-            build_type: Debug
-          - cxx: g++-10
-            other_pkgs: g++-10
-            std: 17
-            build_type: Debug
-          - cxx: g++-10
-            other_pkgs: g++-10
-            std: 20
-            build_type: Debug
-
-          - cxx: clang++-10
-            other_pkgs: clang-10
-            std: 14
-            build_type: Release
-          - cxx: clang++-10
-            other_pkgs: clang-10
-            std: 17
-            build_type: Release
-          - cxx: clang++-10
-            other_pkgs: clang-10
-            std: 20
-            build_type: Release
-          - cxx: g++-10
-            other_pkgs: g++-10
-            std: 14
-            build_type: Release
-          - cxx: g++-10
-            other_pkgs: g++-10
-            std: 17
-            build_type: Release
-          - cxx: g++-10
-            other_pkgs: g++-10
-            std: 20
-            build_type: Release
+        std: [11, 14, 17, 20]
 
     steps:
     - uses: actions/checkout@v4
 
-    - name: Add repositories for older GCC
-      run: |
-        sudo apt-add-repository 'deb http://azure.archive.ubuntu.com/ubuntu/ bionic main'
-        sudo apt-add-repository 'deb http://azure.archive.ubuntu.com/ubuntu/ bionic universe'
-      if: ${{ matrix.cxx == 'g++-5' || matrix.cxx == 'g++-6' }}
-
     - name: Prepare environment
       run: |
         sudo apt-get update