name must be lower-case

container.yaml

@@ -0,0 +1,22 @@
+flatpak:
+    id: org.fedoraproject.Platform.CL.default
+    build-extension: true
+    runtime-version: f43
+    name: f43/mesa-libopencl
+    component: mesa-libOpenCL-flatpak
+    branch: f43
+    packages:
+    - mesa-libOpenCL
+    - mesa-libOpenCL-flatpak-config
+    # OpenCL dependencies
+    - clang-libs
+    - libclc
+    # for cleanup-commands (part of runtime)
+    - coreutils-single
+    cleanup-commands: |
+        mkdir -p /app/lib /app/share/OpenCL
+        mv /usr/lib64/libRusticlOpenCL.so* /app/lib/
+        mv /usr/lib64/lib{LLVM,clang}* /usr/lib/clang/ /app/lib/
+        mv /usr/lib64/clc/ /app/lib/
+        mv /etc/OpenCL/vendors /app/share/OpenCL/
+        ln -s share/OpenCL/vendors /app/