C遇到的编译错误整理

1:

Permission denied
collect2.exe: error: ld returned 1 exit status

c:/mingw/bin/../lib/gcc/mingw32/6.3.0/../../../../mingw32/bin/ld.exe: cannot open output file pro1.exe: Permission denied
collect2.exe: error: ld returned 1 exit status
CMakeFilespro1.diruild.make:95: recipe for target 'pro1.exe' failed

任务管理器中结束已存在pro1.exe进程