fix cinn compilation with py38 (#49883)

paddle/fluid/eager/auto_code_generator/CMakeLists.txt

@@ -22,6 +22,10 @@ if(WITH_ROCM)
   target_link_libraries(eager_generator ${ROCM_HIPRTC_LIB})
 endif()
 
+if(WITH_CINN)
+  target_link_libraries(eager_generator ${PYTHON_LIBRARIES})
+endif()
+
 # Prepare file structure
 message(
   "Generate dygraph file structure at path: ${PADDLE_SOURCE_DIR}/paddle/fluid/eager/generated"

paddle/fluid/framework/paddle2cinn/CMakeLists.txt

@@ -60,6 +60,7 @@ if(WITH_TESTING)
     elementwise_add_op
     generated_op)
   set_tests_properties(build_cinn_pass_test PROPERTIES LABELS "RUN_TYPE=CINN")
+  target_link_libraries(build_cinn_pass_test ${PYTHON_LIBRARIES})
 
   cc_test_old(transform_desc_test SRCS transform_desc_test.cc DEPS
               transform_desc)

paddle/fluid/operators/cinn/CMakeLists.txt

@@ -44,6 +44,7 @@ if(WITH_TESTING)
     cinn_launch_context
     cinn_instruction_run_op
     cinn)
+  target_link_libraries(cinn_launch_context_test ${PYTHON_LIBRARIES})
   set_tests_properties(cinn_launch_context_test PROPERTIES LABELS
                                                            "RUN_TYPE=CINN")
 
@@ -73,6 +74,7 @@ if(WITH_TESTING)
     cinn_launch_op
     cinn_instruction_run_op
     elementwise_add_op)
+  target_link_libraries(cinn_instruction_run_op_test ${PYTHON_LIBRARIES})
   set_tests_properties(
     cinn_instruction_run_op_test PROPERTIES LABELS "RUN_TYPE=CINN" ENVIRONMENT
                                             "${CINN_RUN_ENVIRONMENT}")