add bkcl.so in whl for kunlun (#29947)

python/setup.py.in

@@ -322,6 +322,10 @@ if '${WITH_XPU}' == 'ON':
     package_data['paddle.libs']+=['${XPU_API_LIB_NAME}',
                                   '${XPU_RT_LIB_NAME}']
 
+if '${WITH_XPU_BKCL}' == 'ON':
+    shutil.copy('${XPU_BKCL_LIB}', libs_path)
+    package_data['paddle.libs']+=['${XPU_BKCL_LIB_NAME}']
+
 # copy libfuild_framework.so to libs
 if os.name != 'nt' and sys.platform != 'darwin':
     paddle_framework_lib='${FLUID_FRAMEWORK_SHARED_LIB}'