From: J Decker [mailto:[email protected]]
Sent: Wednesday, September 16, 2015 1:30 PM
To: Greg Marr
Cc: Petr Bena; Cory Quammen; [email protected]; Bill Hoffman
Subject: Re: [CMake] Parallel builds
/mp has no effect on cmake projects since each file is compiled with a
separate command... it relies more on msbuild /m:<num> option...
from
https://msdn.microsoft.com/en-us/library/bb385193.aspx?f=255&MSPPError=-2147217396
cl /MP7 a.cpp b.cpp c.cpp d.cpp e.cpp
but cl is invoked for each source already; multiple sources aren't
passed to cl.
That's not true for the Visual Studio generator. CMake generates project
files, and Visual Studio builds them just like any other project file,
including using the /MP flag.
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