fix for missing cpu lib

Author: Titus-von-Koeller

.github/workflows/python-package.yml

@@ -23,14 +23,22 @@ concurrency:
   group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
   cancel-in-progress: true
 
+env:
+  UBUNTU_VERSION: "ubuntu-22.04"
+  MACOS_VERSION: "macos-latest"
+  WINDOWS_VERSION: "windows-latest"
+
 jobs:
   ##
   # This job matrix builds the non-CUDA versions of the libraries for all supported platforms.
   ##
   build-shared-libs:
     strategy:
       matrix:
-        os: [ubuntu-22.04, macos-latest, windows-latest]
+        os:
+          - ${{ env.UBUNTU_VERSION }}
+          - ${{ env.MACOS_VERSION }}
+          - ${{ env.WINDOWS_VERSION }}
         arch: [x86_64, aarch64]
         exclude:
           - os: windows-latest # This probably requires arm64 Windows agents
@@ -61,14 +69,17 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-latest, windows-latest]
+        os:
+          # NOTE: The CUDA Docker image is hard-coded in the build script, so the Ubuntu version here only affects the runner, not the build environment:
+          - ${{ env.UBUNTU_VERSION }}
+          - ${{ env.WINDOWS_VERSION }}
         arch: [x86_64, aarch64]
         cuda_version:
           ["11.7.1", "11.8.0", "12.0.1", "12.1.1", "12.2.2", "12.3.2", "12.4.1", "12.5.1", "12.6.3", "12.8.1"]
         exclude:
-          - os: windows-latest # This probably requires arm64 Windows agents
+          - os: ${{ env.WINDOWS_VERSION }} # This probably requires arm64 Windows agents
             arch: aarch64
-          - os: ubuntu-latest # Temporary. Takes too long, not ready yet.
+          - os: ${{ env.UBUNTU_VERSION }} # Temporary. Takes too long, not ready yet.
             arch: aarch64
     runs-on: ${{ matrix.os }} # One day, we could run them on native agents. Azure supports this now but it's planned only for Q3 2023 for hosted agents
     steps:
@@ -109,16 +120,19 @@ jobs:
       - build-shared-libs-cuda
     strategy:
       matrix:
-        os: [ubuntu-latest, macos-latest, windows-latest]
+        os:
+          - ${{ env.UBUNTU_VERSION }}
+          - ${{ env.MACOS_VERSION }}
+          - ${{ env.WINDOWS_VERSION }}
         # The specific Python version is irrelevant in this context as we are only packaging non-C extension
         # code. This ensures compatibility across Python versions, including Python 3.9, as compatibility is
         # dictated by the packaged code itself, not the Python version used for packaging.
         python-version: ["3.10"]
         arch: [x86_64, aarch64]
         exclude:
-          - os: windows-latest # This probably requires arm64 Windows agents
+          - os: ${{ env.WINDOWS_VERSION }} # This probably requires arm64 Windows agents
             arch: aarch64
-          - os: ubuntu-latest # Temporary. Takes too long, not ready yet.
+          - os: ${{ env.UBUNTU_VERSION }} # Temporary. Takes too long, not ready yet.
             arch: aarch64
     runs-on: ${{ matrix.os }}
     steps: