Remove CentOS 7 build

.github/workflows/llvm-build.yml

@@ -31,7 +31,6 @@ jobs:
         config:
         - {runner: 'Ubuntu 22.04', runs_on: 'ubuntu-22.04', target-os: 'ubuntu', arch: 'x64'}
         - {runner: 'Ubuntu 22.04 ARM64', runs_on: 'ubuntu-22.04', target-os: 'ubuntu', arch: 'arm64'}
-        - {runner: 'CentOS 7', runs_on: ['self-hosted', 'CPU'], target-os: 'centos', arch: 'x64'}
         - {runner: 'AlmaLinux 8', runs_on: ['self-hosted', 'CPU'], target-os: 'almalinux', arch: 'x64'}
         - {runner: 'AlmaLinux 8 ARM64', runs_on: 'ubuntu-22.04-arm', target-os: 'almalinux', arch: 'arm64'}
         - {runner: 'MacOS X64', runs_on: 'macos-13', target-os: 'macos', arch: 'x64'}
@@ -233,30 +232,6 @@ jobs:
 
         tar czf "${{ env.llvm_install_dir }}.tar.gz" "${{ env.llvm_install_dir }}"
 
-
-    - name: Configure, Build, Test, and Install LLVM (CentOS)
-      if: matrix.config.target-os == 'centos'
-      run: |
-        # if this step crashes, it can leave behind a stale docker container
-        docker container prune -f
-        docker rmi -f $(docker images -q)
-
-        docker build --tag llvm-build --build-arg llvm_dir=llvm-project \
-          -f llvm-build/.github/workflows/llvm-build/centos.Dockerfile .
-
-        # Create temporary container to copy cache and installed artifacts.
-        CONTAINER_ID=$(docker create llvm-build)
-        docker cp "${CONTAINER_ID}:/install" "${{ env.llvm_install_dir }}"
-        tar czf "${{ env.llvm_install_dir }}.tar.gz" "${{ env.llvm_install_dir }}"
-
-        # We remove the existing directory, otherwise docker will
-        # create a subdirectory inside the existing directory.
-        rm -rf "${{ env.SCCACHE_DIR }}"
-        docker cp "${CONTAINER_ID}:/sccache" "${{ env.SCCACHE_DIR }}"
-        sudo chown -R "$(id -u -n):$(id -g -n)" "${{ env.SCCACHE_DIR }}"
-
-        docker rm "${CONTAINER_ID}"
-
     - name: Configure, Build, Test, and Install LLVM (AlmaLinux)
       if: matrix.config.target-os == 'almalinux'
       run: |

setup.py

@@ -217,14 +217,10 @@ def get_llvm_package_info():
                 # Ubuntu 22 LTS (v2.35)
                 # Ubuntu 20 LTS (v2.31)
                 system_suffix = "ubuntu-x64"
-            elif vglibc > 217:
+            else:
                 # Manylinux_2.28 (v2.28)
                 # AlmaLinux 8 (v2.28)
                 system_suffix = "almalinux-x64"
-            else:
-                # Manylinux_2014 (v2.17)
-                # CentOS 7 (v2.17)
-                system_suffix = "centos-x64"
         else:
             print(
                 f"LLVM pre-compiled image is not available for {system}-{arch}. Proceeding with user-configured LLVM from source build."