QPR-12493 compile issues without ORE_ENABLE_OPENCL flag

Author: pcaspers

QuantExt/qle/math/openclenvironment.hpp

@@ -56,12 +56,14 @@ class OpenClFramework : public ComputeFramework {
 
     static boost::shared_mutex mutex_;
     static bool initialized_;
+#ifdef ORE_ENABLE_OPENCL
     static cl_uint nPlatforms_;
-    static std::string platformName_[ORE_OPENCL_MAX_N_PLATFORMS];
-    static std::string deviceName_[ORE_OPENCL_MAX_N_PLATFORMS][ORE_OPENCL_MAX_N_DEVICES];
     static cl_uint nDevices_[ORE_OPENCL_MAX_N_PLATFORMS];
     static cl_device_id devices_[ORE_OPENCL_MAX_N_PLATFORMS][ORE_OPENCL_MAX_N_DEVICES];
     static cl_context context_[ORE_OPENCL_MAX_N_PLATFORMS][ORE_OPENCL_MAX_N_DEVICES];
+#endif
+    static std::string platformName_[ORE_OPENCL_MAX_N_PLATFORMS];
+    static std::string deviceName_[ORE_OPENCL_MAX_N_PLATFORMS][ORE_OPENCL_MAX_N_DEVICES];
     static std::vector<std::pair<std::string, std::string>> deviceInfo_[ORE_OPENCL_MAX_N_PLATFORMS]
                                                                        [ORE_OPENCL_MAX_N_DEVICES];
     static bool supportsDoublePrecision_[ORE_OPENCL_MAX_N_PLATFORMS][ORE_OPENCL_MAX_N_DEVICES];