[CI] Prebuild E2E tests as part of build workflow

.github/workflows/sycl-linux-build.yml

@@ -70,7 +70,7 @@ on:
       build_image:
         type: choice
         options:
-          - "ghcr.io/intel/llvm/sycl_ubuntu2204_nightly:build"
+          - "ghcr.io/intel/llvm/ubuntu2404_intel_drivers:alldeps"
       cc:
         type: choice
         options:
@@ -217,6 +217,7 @@ jobs:
         # TODO consider moving this to Dockerfile.
         export LD_LIBRARY_PATH=/usr/local/cuda/compat/:/usr/local/cuda/lib64:$LD_LIBRARY_PATH
         LIT_OPTS="--allow-empty-runs" LIT_FILTER="e2e_test_requirements" cmake --build $GITHUB_WORKSPACE/build --target check-sycl
+
     - name: Install
       if: ${{ always() && !cancelled() && steps.build.conclusion == 'success' }}
       # TODO replace utility installation with a single CMake target
@@ -237,6 +238,37 @@ jobs:
         cmake --build $GITHUB_WORKSPACE/build --target install-clang-libraries
         cmake --build $GITHUB_WORKSPACE/build --target install-llvm-libraries
 
+    - name: Source OneAPI TBB vars.sh
+      shell: bash
+      run: |
+        # https://github.com/actions/runner/issues/1964 prevents us from using
+        # the ENTRYPOINT in the image.
+        env | sort > env_before
+        if [ -e /runtimes/oneapi-tbb/env/vars.sh ]; then
+          source /runtimes/oneapi-tbb/env/vars.sh;
+        elif [ -e /opt/runtimes/oneapi-tbb/env/vars.sh ]; then
+          source /opt/runtimes/oneapi-tbb/env/vars.sh;
+        else
+          echo "no TBB vars in /opt/runtimes or /runtimes";
+        fi
+        env | sort > env_after
+        comm -13 env_before env_after >> $GITHUB_ENV
+        rm env_before env_after
+    - name: Build E2E tests
+      if: ${{ always() && !cancelled() && steps.build.conclusion == 'success' }}
+      run: |
+        LIT_OPTS="--param test-mode=build-only" cmake --build $GITHUB_WORKSPACE/build --target check-sycl-e2e
+    - name: Pack E2E binaries
+      if: ${{ always() && !cancelled() && steps.build.conclusion == 'success' }}
+      run: tar -I 'zstd -9' -cf e2e_binaries.tar.zst -C $GITHUB_WORKSPACE/build/tools/sycl/test-e2e .
+    - name: Upload E2E binaries
+      if: ${{ always() && !cancelled() && steps.build.conclusion == 'success' }}
+      uses: actions/upload-artifact@v4
+      with:
+        name: sycl_e2e_bin_default
+        path: e2e_binaries.tar.zst
+        retention-days: 1
+
     - name: Pack toolchain
       if: ${{ always() && !cancelled() && steps.build.conclusion == 'success' }}
       run: tar -I '${{ steps.artifact_info.outputs.COMPRESS }}' -cf ${{ steps.artifact_info.outputs.ARCHIVE_NAME }} -C $GITHUB_WORKSPACE/build/install .

.github/workflows/sycl-linux-precommit.yml

@@ -47,7 +47,7 @@ jobs:
       build_artifact_suffix: "default"
       build_cache_suffix: "default"
       # Docker image has last nightly pre-installed and added to the PATH
-      build_image: "ghcr.io/intel/llvm/sycl_ubuntu2204_nightly:build"
+      build_image: "ghcr.io/intel/llvm/sycl_ubuntu2404_nightly:latest"
       cc: clang
       cxx: clang++
       changes: ${{ needs.detect_changes.outputs.filters }}
@@ -74,23 +74,8 @@ jobs:
             echo 'arc_tests="Matrix/"' >> "$GITHUB_OUTPUT"
           fi
 
-  build_e2e_tests:
-    needs: [build]
-    if: ${{ always() && !cancelled() && needs.build.outputs.build_conclusion == 'success' }}
-    uses: ./.github/workflows/sycl-linux-run-tests.yml
-    with:
-      name: Build e2e tests
-      runner: '["Linux", "build"]'
-      image: ghcr.io/intel/llvm/ubuntu2404_intel_drivers:alldeps
-      image_options: -u 1001
-      ref: ${{ github.sha }}
-      merge_ref: ''
-      sycl_toolchain_artifact: sycl_linux_default
-      sycl_toolchain_archive: ${{ needs.build.outputs.artifact_archive_name }}
-      sycl_toolchain_decompress_command: ${{ needs.build.outputs.artifact_decompress_command }}
-      e2e_testing_mode: 'build-only'
   run_prebuilt_e2e_tests:
-    needs: [build, build_e2e_tests]
+    needs: [build]
     if: ${{ always() && !cancelled() && needs.build.outputs.build_conclusion == 'success' }}
     strategy:
       fail-fast: false

sycl/test-e2e/CMakeLists.txt

@@ -14,6 +14,10 @@ if(SYCL_TEST_E2E_STANDALONE)
   if( NOT OpenCL_LIBRARY )
     find_package(OpenCL)
   endif()
+else()
+  if( NOT OpenCL_LIBRARY )
+    set(OpenCL_LIBRARY "${LLVM_BINARY_DIR}/lib")
+  endif()
 endif() # Standalone.
 
 if(SYCL_TEST_E2E_STANDALONE)