GitHub和CSDN上可以搜到，这里备份一下
详细错误：
C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\BIN\x86_amd64\cl.exe /c /nologo /Ox /W3 /GL /DNDEBUG /MD -IC:\Users\tq\AppData\Roaming\Python\Python36\site-packages\numpy\core\include -IC:\ProgramData\Anaconda3\include -IC:\ProgramData\Anaconda3\include "-IC:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\INCLUDE" "-IC:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\ATLMFC\INCLUDE" "-IC:\Program Files (x86)\Windows Kits\10\include\10.0.10240.0\ucrt" "-IC:\Program Files (x86)\Windows Kits\NETFXSDK\4.6.1\include\um" "-IC:\Program Files (x86)\Windows Kits\8.1\include\\shared" "-IC:\Program Files (x86)\Windows Kits\8.1\include\\um" "-IC:\Program Files (x86)\Windows Kits\8.1\include\\winrt" /Tcutils/cython_bbox.c /Fobuild\temp.win-amd64-3.6\Release\utils/cython_bbox.obj -Wno-cpp
cl: 命令行 error D8021 :无效的数值参数“/Wno-cpp”
error: command 'C:\\Program Files (x86)\\Microsoft Visual Studio 14.0\\VC\\BIN\\x86_amd64\\cl.exe' failed with exit status 2
Windows10 在编译maskrcnn时或者目标检测相关项目时遇到这个错误，翻了下网上有两种解决办法：
1.把setup.py里面那两行extra_compile_args=['-Wno-cpp']都注释掉。（不知道有没有影响）
2.把那两句extra_compile_args=['-Wno-cpp']都替换成extra_compile_args={'gcc': ['/Qstd=c99']}