"-DPXR_BUILD_EMBREE_PLUGIN=OFF"

               "-DPXR_BUILD_EMBREE_PLUGIN=ON"

               (setenv "VULKAN_SDK"    (assoc-ref %build-inputs "vulkan-headers"))

               ;;(setenv "VULKAN_SDK"    (assoc-ref %build-inputs "vulkan-headers"))

    ;;(native-inputs (list python-2.7))

    (native-inputs (list
      ;;python-2.7
      python-jinja2))

       vulkan-headers
       vulkan-loader
       spirv-headers
       spirv-cross
       shaderc

       ;;vulkan-headers
       ;;vulkan-loader
       ;;spirv-headers
       ;;spirv-cross
       ;;shaderc

       python
       python-jinja2
       python-pyside-6
       python-pyside-6-tools
       python-pyopengl

       ;;embree

       embree

    (propagated-inputs (list
       python
       python-pyside-6
       python-pyside-6-tools
       python-pyopengl))