add some symbol check

paddle/contrib/inference/CMakeLists.txt

@@ -53,6 +53,17 @@ set_target_properties(paddle_inference_api_shared PROPERTIES OUTPUT_NAME paddle_
 if(NOT APPLE)
   set(LINK_FLAGS "-Wl,--version-script ${CMAKE_CURRENT_SOURCE_DIR}/paddle_inference_api.map")
   set_target_properties(paddle_inference_api_shared PROPERTIES LINK_FLAGS "${LINK_FLAGS}")
+  FILE(WRITE ${CMAKE_CURRENT_BINARY_DIR}/check_symbol.cmake
+    "execute_process(COMMAND bash -c \"${CMAKE_CURRENT_SOURCE_DIR}/check_symbol.sh"
+    " ${CMAKE_CURRENT_BINARY_DIR}/libpaddle_inference_api.so\" RESULT_VARIABLE symbol_res)\n"
+    "if(NOT \"\${symbol_res}\" STREQUAL \"0\")\n"
+    "  message(FATAL_ERROR \"Check symbol failed.\")\n"
+    "endif()\n")
+  add_custom_target(check_symbol ALL)
+  add_custom_command(
+      TARGET check_symbol
+      COMMAND ${CMAKE_COMMAND} -P ${CMAKE_CURRENT_BINARY_DIR}/check_symbol.cmake
+      DEPENDS paddle_inference_api_shared)
 endif()
 
 cc_test(test_paddle_inference_api

paddle/contrib/inference/check_symbol.sh

@@ -0,0 +1,12 @@
+#!/bin/bash
+
+lib=$1
+if [ $# -ne 1 ]; then echo "No input library"; exit -1 ; fi
+
+num_paddle_syms=$(nm -D --defined-only ${lib} | grep paddle | wc -l)
+num_google_syms=$(nm -D --defined-only ${lib} | grep google | wc -l)
+
+if [ $num_paddle_syms -le 0 ]; then echo "Have no paddle symbols"; exit -1 ; fi
+if [ $num_google_syms -ge 1 ]; then echo "Have some google symbols"; exit -1 ; fi
+
+exit 0