diff --git a/.github/workflows/sycl.yml b/.github/workflows/oneapi.yml
similarity index 81%
rename from .github/workflows/sycl.yml
rename to .github/workflows/oneapi.yml
index 5a71473..e2473ff 100644
--- a/.github/workflows/sycl.yml
+++ b/.github/workflows/oneapi.yml
@@ -37,3 +37,9 @@ jobs:
       run: ./openmp-offload/XSBench -m event -s small -G hash
     - name: run openmp-offload unionized
       run: ./openmp-offload/XSBench -m event -s small -G unionized
+    - name: install opencl packages
+      run: |
+        apt-get -y update && apt-get install -y --no-install-recommends intel-oneapi-runtime-opencl clinfo opencl-headers intel-opencl-icd
+        clinfo
+    - name: make opencl
+      run: cd opencl; COMPILER=gnu make -j4
diff --git a/opencl/Makefile b/opencl/Makefile
index 9c5cb90..cdc49b0 100644
--- a/opencl/Makefile
+++ b/opencl/Makefile
@@ -2,11 +2,11 @@
 # User Options
 #===============================================================================
 
-COMPILER    = gnu
-OPTIMIZE    = yes
-DEBUG       = no
-PROFILE     = no
-MPI         = no
+COMPILER    ?= gnu
+OPTIMIZE    ?= yes
+DEBUG       ?= no
+PROFILE     ?= no
+MPI         ?= no
 
 #===============================================================================
 # Program name & source code list