Fix macos CI (#406)

* Use buildkite for macOS until github runners can be debugged

* Limit x64 tests to newer macos

* Test x86-64 macos on github

Author: christiangnrd

.buildkite/pipeline.yml

@@ -21,3 +21,37 @@ steps:
     env:
       OCL_ICD_FILENAMES: "libnvidia-opencl.so.1"
     timeout_in_minutes: 60
+
+  - group: "macos"
+    key: "julia"
+    steps:
+      - label: "{{matrix.julia}} macos"
+        plugins:
+          - JuliaCI/julia#v1:
+              version: "{{matrix.julia}}"
+          - JuliaCI/julia-coverage#v1:
+              codecov: true
+        commands: |
+          julia --project -e '
+            using Pkg
+
+            println("--- :julia: Instantiating project")
+            Pkg.add("pocl_jll")
+            Pkg.add("InteractiveUtils")
+            Pkg.develop(path="lib/intrinsics")
+
+            println("+++ :julia: Running tests")
+            using InteractiveUtils
+            InteractiveUtils.versioninfo()
+            Pkg.test(; coverage=true, test_args=`--platform=pocl`)'
+        agents:
+          queue: "juliaecosystem"
+          os: "macos"
+          arch: "aarch64"
+        if: build.message !~ /\[skip tests\]/
+        timeout_in_minutes: 120
+        matrix:
+          setup:
+            julia:
+              - "1.10"
+              - "1.12"

.github/workflows/Test.yml

@@ -23,7 +23,7 @@ jobs:
       fail-fast: false
       matrix:
         version: ['1.10', '1.12']
-        os: [ubuntu-24.04, ubuntu-24.04-arm, macOS-15, macOS-15-intel, windows-2022]
+        os: [ubuntu-24.04, ubuntu-24.04-arm, macOS-15-intel, windows-2022]
         arch: [x64, arm64]
         pocl: [jll, local]
         memory_backend: [usm, svm, buffer]
@@ -35,27 +35,14 @@ jobs:
             arch: arm64
           - os: ubuntu-24.04-arm
             arch: x64
-          # macOS 13 is Intel-only, while macOS 14+ only support Apple Silicon
-          - os: macOS-15
-            arch: x64
+          # macOS-15-intel is Intel-only
           - os: macOS-15-intel
             arch: arm64
           # we only test building PoCL on Linux
           - os: macOS-15-intel
             pocl: local
-          - os: macOS-15
-            pocl: local
           - os: windows-2022
             pocl: local
-          # Remove these exclusions once macOS CI hangs are fixed
-          - os: macOS-15-intel
-            memory_backend: svm
-          - os: macOS-15-intel
-            memory_backend: buffer
-          - os: macOS-15
-            memory_backend: svm
-          - os: macOS-15
-            memory_backend: buffer
     steps:
       - name: Checkout OpenCL.jl
         uses: actions/checkout@v6