Fix the symbol issue for IPEX C++ SDK

Author: EikanWang

cmake/Modules/FindIPEX.cmake.in

@@ -11,8 +11,12 @@ IF (NOT INTEL_EXT_PT_CPU_FOUND)
 FIND_PACKAGE(Torch REQUIRED)
 FIND_LIBRARY(INTEL_EXT_PT_CPU_LIBRARY libintel-ext-pt-cpu.so PATHS "${TORCH_INSTALL_PREFIX}/lib")
 if(INTEL_EXT_PT_CPU_LIBRARY)
-  LIST(APPEND TORCH_LIBRARIES ${INTEL_EXT_PT_CPU_LIBRARY})
-  SET(TORCH_CXX_FLAGS "${TORCH_CXX_FLAGS} -Wl,--no-as-needed")
+  add_library(intel_ext_pt_cpu_library INTERFACE IMPORTED)
+  set_target_properties(intel_ext_pt_cpu_library PROPERTIES
+	  INTERFACE_LINK_LIBRARIES "-Wl,--no-as-needed,\"${INTEL_EXT_PT_CPU_LIBRARY}\""
+  )
+
+  LIST(APPEND TORCH_LIBRARIES intel_ext_pt_cpu_library)
 
   SET(INTEL_EXT_PT_CPU_FOUND TRUE)
   MESSAGE(STATUS "Found INTEL_EXT_PT_CPU: TRUE")
@@ -21,3 +25,4 @@ else()
 endif()
 
 ENDIF(NOT INTEL_EXT_PT_CPU_FOUND)
+