You can globally enable this option without changing .vcxproj by adding it in the CL or _CL_ environment variables (the former prepends options, the latter appe

You can globally enable this option without changing .vcxproj by adding it in the CL or _CL_ environment variables (the former prepends options, the latter appends) Thanks to Geoff Chapel for it, there are plenty more undocumented options on his site too: http://www.geoffchappell.com/studies/msvc/cl/cl/options/ http://www.geoffchappell.com/studies/msvc/cl/cl/options/