intern/cycles/kernel/CMakeLists.txt

@@ -995,6 +995,7 @@ if(WITH_CYCLES_DEVICE_ONEAPI)
                 -L"${WINDOWS_KIT_DIR}/ucrt/x64")
   else() # Add Linux specific compiler flags.
     list(APPEND sycl_compiler_flags -fPIC)
+    list(APPEND sycl_compiler_flags -fvisibility=hidden)
 
     # We avoid getting __FAST_MATH__ to be defined when building on CentOS-7 and Rocky-8
     # until the compilation issues it triggers at either AoT or JIT stages gets fixed.

intern/cycles/kernel/device/oneapi/kernel.h

@@ -20,7 +20,7 @@ enum DeviceKernel : int;
 #        define CYCLES_KERNEL_ONEAPI_EXPORT extern __declspec(dllimport)
 #      endif
 #    else
-#      define CYCLES_KERNEL_ONEAPI_EXPORT
+#      define CYCLES_KERNEL_ONEAPI_EXPORT extern __attribute__((visibility("default")))
 #    endif
 #  endif