错误如下：
Description Resource Path Location Type
#10010 errors encountered during linking; "GPIO.out" not built GPIO C/C++ Problem
<a href="processors.wiki.ti.com/.../10234"> unresolved symbols remain GPIO C/C++ Problem
gmake: *** [GPIO.out] Error 1 GPIO C/C++ Problem
gmake: Target 'all' not remade because of errors. GPIO C/C++ Problem
unresolved symbol ROM_GPIOPinTypeGPIOOutput, first referenced in ./drivers/GPIO.obj GPIO C/C++ Problem
unresolved symbol ROM_GPIOPinWrite, first referenced in ./main.obj GPIO C/C++ Problem
unresolved symbol ROM_SysCtlClockFreqSet, first referenced in ./main.obj GPIO C/C++ Problem
unresolved symbol ROM_SysCtlPeripheralEnable, first referenced in ./drivers/GPIO.obj GPIO C/C++ Problem
我已经添加了路径，为什么还是编译不了，一直有问题
