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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 CMakeFiles\pro1.dir\build.make:95: recipe for target ‘pro1.exe‘ failed
任务管理器中结束已存在pro1.exe进程
原文：http://www.cnblogs.com/8000cabbage/p/7992141.html