wixtoolset/wix3 — pull request #107 by barnson (2014-07-13 20:07:18+00:00)
Title: Prevent clash with direct reference to wix.csproj

WixTestTools.csproj has a direct reference to wix.csproj which MSBuild
might, given enough cores, try to build at the same time it's getting
built from tools.proj.