[ghactions] Enable multiple different llvm versions

.github/workflows/build.yml

@@ -6,38 +6,38 @@ on:
   pull_request:
     branches: [ unstable ]
 
-env:
-  LLVM: 15 
-
 jobs:
   build:
 
     strategy:
       fail-fast: false
       matrix:
         include:
-          - {os: ubuntu-22.04, cc: clang-15, cxx: clang++-15, doc: ON}
-            #- {os: ubuntu-20.04, cc: clang-11, cxx: clang++-11}
-            #- {os: macos-14, cc: /usr/local/opt/llvm/bin/clang, cxx: /usr/local/opt/llvm/bin/clang++, doc: OFF}
+          - {os: ubuntu-22.04, llvm: 15, doc: ON}
+          - {os: ubuntu-22.04, llvm: 16, doc: OFF}
+          - {os: ubuntu-22.04, llvm: 17, doc: OFF}
+          - {os: ubuntu-22.04, llvm: 18, doc: OFF}
 
     runs-on: ${{ matrix.os }}
 
     steps:
     - uses: actions/checkout@v4
-
 
     - name: Install ubuntu dependencies
       if: matrix.os == 'ubuntu-22.04'
       run: >
         sudo apt-get update &&
+        sudo apt-get install lsb-release wget software-properties-common &&
+        wget -O /tmp/llvm.sh https://apt.llvm.org/llvm.sh &&
+        chmod +x /tmp/llvm.sh && sudo /tmp/llvm.sh ${{ matrix.llvm }} &&
         sudo apt-get install
         ccache
-        clang-15
-        llvm-15-dev
-        libclang-15-dev
+        clang-${{ matrix.llvm }}
+        llvm-${{ matrix.llvm }}-dev
+        libclang-${{ matrix.llvm }}-dev
         libblas-dev
-        libomp-15-dev
-        clang-format-15
+        libomp-${{ matrix.llvm }}-dev
+        clang-format-${{ matrix.llvm }}
         python3
         python3-dev
         python3-numpy
@@ -49,24 +49,15 @@ jobs:
         python3-myst-parser &&
         pip3 install linkify-it-py 
 
-    - name: Install homebrew dependencies
-      if: matrix.os == 'macos-14'
-      run: |
-        brew install llvm [email protected] 
-        pip3 install numpy
-
     - name: Build clair
       env:
-        CC: ${{ matrix.cc }}
-        CXX: ${{ matrix.cxx }}
-        LIBRARY_PATH: /usr/local/opt/llvm/lib
+        CC: clang-${{ matrix.llvm }}
+        CXX: clang++-${{ matrix.llvm }}
       run: |
-        cmake -B build -S. -DLLVM_CONFIG=/usr/bin/llvm-config-15 -DCMAKE_INSTALL_PREFIX=$HOME/install -DBuild_Documentation=${{ matrix.doc }}
+        cmake -B build -S. -DLLVM_CONFIG=/usr/bin/llvm-config-${{ matrix.llvm }} -DCMAKE_INSTALL_PREFIX=$HOME/install -DBuild_Documentation=${{ matrix.doc }}
         cd build && make -j2 || make -j1 VERBOSE=1
 
     - name: Test clair
-      env:
-        DYLD_FALLBACK_LIBRARY_PATH: /usr/local/opt/llvm/lib
       run: |
         cd build
         ctest -j2 --output-on-failure
@@ -78,4 +69,3 @@ jobs:
         folder: build/doc/html
         branch: github.io
         target-folder: docs/unstable
-