使用CMake编译出现如下许多未定义的错误，请问大家该如何解决
/usr/local/lib/libIrrlicht.a(CIrrDeviceLinux.o)：在函数‘irr::CIrrDeviceLinux::~CIrrDeviceLinux()’中：
/home/cidi/文档/irrlicht/source/Irrlicht/CIrrDeviceLinux.cpp:138：对‘XFree’未定义的引用
/home/cidi/文档/irrlicht/source/Irrlicht/CIrrDeviceLinux.cpp:170：对‘glXMakeContextCurrent’未定义的引用
/home/cidi/文档/irrlicht/source/Irrlicht/CIrrDeviceLinux.cpp:175：对‘glXMakeCurrent’未定义的引用
/home/cidi/文档/irrlicht/source/Irrlicht/CIrrDeviceLinux.cpp:178：对‘glXDestroyContext’未定义的引用
/home/cidi/文档/irrlicht/source/Irrlicht/CIrrDeviceLinux.cpp:180：对‘glXDestroyWindow’未定义的引用
/home/cidi/文档/irrlicht/source/Irrlicht/CIrrDeviceLinux.cpp:192：对‘XDestroyWindow’未定义的引用
/home/cidi/文档/irrlicht/source/Irrlicht/CIrrDeviceLinux.cpp:193：对‘XCloseDisplay’未定义的引用
/home/cidi/文档/irrlicht/source/Irrlicht/CIrrDeviceLinux.cpp:197：对‘XFree’未定义的引用
/usr/local/lib/libIrrlicht.a(CIrrDeviceLinux.o)：在函数‘irr::CIrrDeviceLinux::~CIrrDeviceLinux()’中：
/home/cidi/文档/irrlicht/source/Irrlicht/CIrrDeviceLinux.cpp:138：对‘XFree’未定义的引用
/home/cidi/文档/irrlicht/source/Irrlicht/CIrrDeviceLinux.cpp:170：对‘glXMakeContextCurrent’未定义的引用
/home/cidi/文档/irrlicht/source/Irrlicht/CIrrDeviceLinux.cpp:175：对‘glXMakeCurrent’未定义的引用
/home/cidi/文档/irrlicht/source/Irrlicht/CIrrDeviceLinux.cpp:178：对‘glXDestroyContext’未定义的引用
/home/cidi/文档/irrlicht/source/Irrlicht/CIrrDeviceLinux.cpp:180：对‘glXDestroyWindow’未定义的引用
/home/cidi/文档/irrlicht/source/Irrlicht/CIrrDeviceLinux.cpp:192：对‘XDestroyWindow’未定义的引用
/home/cidi/文档/irrlicht/source/Irrlicht/CIrrDeviceLinux.cpp:193：对‘XCloseDisplay’未定义的引用
/home/cidi/文档/irrlicht/source/Irrlicht/CIrrDeviceLinux.cpp:197：对‘XFree’未定义的引用
/usr/local/lib/libIrrlicht.a(CIrrDeviceLinux.o)：在函数‘irr::IrrPrintXError(_XDisplay*, XErrorEvent*)’中：
/home/cidi/文档/irrlicht/source/Irrlicht/CIrrDeviceLinux.cpp:220：对‘XGetErrorDatabaseText’未定义的引用
/home/cidi/文档/irrlicht/source/Irrlicht/CIrrDeviceLinux.cpp:221：对‘XGetErrorText’未定义的引用
/usr/local/lib/libIrrlicht.a(CIrrDeviceLinux.o)：在函数‘irr::CIrrDeviceLinux::switchToFullscreen(bool)’中：
/home/cidi/文档/irrlicht/source/Irrlicht/CIrrDeviceLinux.cpp:238：对‘XF86VidModeSwitchToMode’未定义的引用
/home/cidi/文档/irrlicht/source/Irrlicht/CIrrDeviceLinux.cpp:239：对‘XF86VidModeSetViewPort’未定义的引用
/home/cidi/文档/irrlicht/source/Irrlicht/CIrrDeviceLinux.cpp:260：对‘XF86VidModeQueryExtension’未定义的引用
/home/cidi/文档/irrlicht/source/Irrlicht/CIrrDeviceLinux.cpp:266：对‘XF86VidModeGetAllModeLines’未定义的引用
/home/cidi/文档/irrlicht/source/Irrlicht/CIrrDeviceLinux.cpp:286：对‘XF86VidModeSwitchToMode’未定义的引用
/home/cidi/文档/irrlicht/source/Irrlicht/CIrrDeviceLinux.cpp:287：对‘XF86VidModeSetViewPort’未定义的引用
/home/cidi/文档/irrlicht/source/Irrlicht/CIrrDeviceLinux.cpp:296：对‘XFree’未定义的引用
/usr/local/lib/libIrrlicht.a(CIrrDeviceLinux.o)：在函数‘irr::CIrrDeviceLinux::createWindow()’中：
/home/cidi/文档/irrlicht/source/Irrlicht/CIrrDeviceLinux.cpp:375：对‘XSetErrorHandler’未定义的引用
/home/cidi/文档/irrlicht/source/Irrlicht/CIrrDeviceLinux.cpp:378：对‘XOpenDisplay’未定义的引用
/home/cidi/文档/irrlicht/source/Irrlicht/CIrrDeviceLinux.cpp:382：对‘XDisplayName’未定义的引用
/home/cidi/文档/irrlicht/source/Irrlicht/CIrrDeviceLinux.cpp:383：对‘XDisplayName’未定义的引用
/home/cidi/文档/irrlicht/source/Irrlicht/CIrrDeviceLinux.cpp:400：对‘glXQueryExtension’未定义的引用
/home/cidi/文档/irrlicht/source/Irrlicht/CIrrDeviceLinux.cpp:401：对‘glXQueryVersion’未定义的引用
/home/cidi/文档/irrlicht/source/Irrlicht/CIrrDeviceLinux.cpp:407：对‘glXGetProcAddress’未定义的引用
/home/cidi/文档/irrlicht/source/Irrlicht/CIrrDeviceLinux.cpp:555：对‘XFree’未定义的引用
/home/cidi/文档/irrlicht/source/Irrlicht/CIrrDeviceLinux.cpp:559：对‘glXGetProcAddress’未定义的引用
/home/cidi/文档/irrlicht/source/Irrlicht/CIrrDeviceLinux.cpp:593：对‘glXChooseVisual’未定义的引用
/home/cidi/文档/irrlicht/source/Irrlicht/CIrrDeviceLinux.cpp:601：对‘glXChooseVisual’未定义的引用
/home/cidi/文档/irrlicht/source/Irrlicht/CIrrDeviceLinux.cpp:607：对‘glXChooseVisual’未定义的引用
/home/cidi/文档/irrlicht/source/Irrlicht/CIrrDeviceLinux.cpp:631：对‘XGetVisualInfo’未定义的引用
/home/cidi/文档/irrlicht/source/Irrlicht/CIrrDeviceLinux.cpp:640：对‘XCloseDisplay’未定义的引用
/home/cidi/文档/irrlicht/source/Irrlicht/CIrrDeviceLinux.cpp:653：对‘XCreateColormap’未定义的引用
/home/cidi/文档/irrlicht/source/Irrlicht/CIrrDeviceLinux.cpp:668：对‘XCreateWindow’未定义的引用
/home/cidi/文档/irrlicht/source/Irrlicht/CIrrDeviceLinux.cpp:674：对‘XMapRaised’未定义的引用
/home/cidi/文档/irrlicht/source/Irrlicht/CIrrDeviceLinux.cpp:677：对‘XInternAtom’未定义的引用
/home/cidi/文档/irrlicht/source/Irrlicht/CIrrDeviceLinux.cpp:678：对‘XSetWMProtocols’未定义的引用
/home/cidi/文档/irrlicht/source/Irrlicht/CIrrDeviceLinux.cpp:681：对‘XSetInputFocus’未定义的引用
/home/cidi/文档/irrlicht/source/Irrlicht/CIrrDeviceLinux.cpp:683：对‘XGrabKeyboard’未定义的引用
/home/cidi/文档/irrlicht/source/Irrlicht/CIrrDeviceLinux.cpp:686：对‘XGrabPointer’未定义的引用
/home/cidi/文档/irrlicht/source/Irrlicht/CIrrDeviceLinux.cpp:688：对‘XWarpPointer’未定义的引用
/home/cidi/文档/irrlicht/source/Irrlicht/CIrrDeviceLinux.cpp:702：对‘XCreateWindow’未定义的引用
/home/cidi/文档/irrlicht/source/Irrlicht/CIrrDeviceLinux.cpp:705：对‘XGetWindowAttributes’未定义的引用
/home/cidi/文档/irrlicht/source/Irrlicht/CIrrDeviceLinux.cpp:724：对‘glXCreateWindow’未定义的引用
/home/cidi/文档/irrlicht/source/Irrlicht/CIrrDeviceLinux.cpp:728：对‘glXCreateNewContext’未定义的引用
/home/cidi/文档/irrlicht/source/Irrlicht/CIrrDeviceLinux.cpp:731：对‘glXMakeContextCurrent’未定义的引用