xerces c和cmake

//============================================================================
project(ConfiguradorXerces)
cmake_minimum_required(VERSION 2.8)
include_directories (/home/ricardo/Desktop/librerias/xerces/xerces-c-3.1.1/src)
link_directories (/home/ricardo/Desktop/librerias/xerces/xerces-c-3.1.1/src/.libs)
link_directories (/home/ricardo/Desktop/librerias/xerces/xerces-c-3.1.1/src/)
set ( XercesLib  xerces-c )
aux_source_directory(. SRC_LIST)

add_executable(${PROJECT_NAME} ${SRC_LIST})
target_link_libraries(${XercesLib})
//==============================================

// ===============================================

#include <iostream>
#include <xercesc/util/PlatformUtils.hpp>
using namespace xercesc;
using namespace std;
int main()
{
    try {
        XMLPlatformUtils::Initialize();
      }
      catch (const XMLException& toCatch) {
        // Do your failure processing here
        return 1;
      }

      // Do your actual work with Xerces-C++ here.

      XMLPlatformUtils::Terminate();

      // Other terminations and cleanup.
      return 0;
}

// ==============================================

这是我的控制台输出：

CMakeFiles/ConfiguradorXerces.dir/main.cpp.o: In function `main':
main.cpp:(.text+0x25): undefined reference to `xercesc_3_1::XMLUni::fgXercescDefaultLocale'
main.cpp:(.text+0x2a): undefined reference to `xercesc_3_1::XMLPlatformUtils::Initialize(char const*,char const*,xercesc_3_1::PanicHandler*,xercesc_3_1::MemoryManager*)'
main.cpp:(.text+0x2f): undefined reference to `xercesc_3_1::XMLPlatformUtils::Terminate()'
CMakeFiles/ConfiguradorXerces.dir/main.cpp.o:(.gcc_except_table+0x10): undefined reference to `typeinfo for xercesc_3_1::XMLException'
collect2: error: ld returned 1 exit status
make[2]: *** [ConfiguradorXerces] Error 1
make[1]: *** [CMakeFiles/ConfiguradorXerces.dir/all] Error 2
make: *** [all] Error 2
16:28:55: The process "/usr/bin/make" exited with code 2.
Error while building/deploying project ConfiguradorXerces (target: Desktop)
When executing step 'Make'

//
我在想我的cmakeLsits.txt没有完成,有一个特殊的设置,它必须做？
thx提前