@@ -483,43 +483,7 @@ if "%RestorePackages%"=="" (
483483
484484@ call src\update.cmd signonly
485485
486- :: Check prerequisites
487- if not " %VisualStudioVersion% " == " " goto vsversionset
488- if exist " %VS150COMNTOOLS% \..\ide\devenv.exe" set VisualStudioVersion = 15.0
489- if not " %VisualStudioVersion% " == " " goto vsversionset
490-
491- if not " %VisualStudioVersion% " == " " goto vsversionset
492- if exist " %VS150COMNTOOLS% \..\..\ide\devenv.exe" set VisualStudioVersion = 15.0
493- if not " %VisualStudioVersion% " == " " goto vsversionset
494-
495- if exist " %VS140COMNTOOLS% \..\ide\devenv.exe" set VisualStudioVersion = 14.0
496- if exist " %ProgramFiles(x86)% \Microsoft Visual Studio 14.0\common7\ide\devenv.exe" set VisualStudioVersion = 14.0
497- if exist " %ProgramFiles% \Microsoft Visual Studio 14.0\common7\ide\devenv.exe" set VisualStudioVersion = 14.0
498- if not " %VisualStudioVersion% " == " " goto vsversionset
499-
500- if exist " %VS120COMNTOOLS% \..\ide\devenv.exe" set VisualStudioVersion = 12.0
501- if exist " %ProgramFiles(x86)% \Microsoft Visual Studio 12.0\common7\ide\devenv.exe" set VisualStudioVersion = 12.0
502- if exist " %ProgramFiles% \Microsoft Visual Studio 12.0\common7\ide\devenv.exe" set VisualStudioVersion = 12.0
503-
504- :vsversionset
505- if " %VisualStudioVersion% " == " " echo Error: Could not find an installation of Visual Studio&& goto :failure
506-
507- if exist " %VS150COMNTOOLS% \..\..\MSBuild\15.0\Bin\MSBuild.exe" (
508- set _msbuildexe = " %VS150COMNTOOLS% \..\..\MSBuild\15.0\Bin\MSBuild.exe"
509- goto :havemsbuild
510- )
511- if exist " %ProgramFiles(x86)% \MSBuild\%VisualStudioVersion% \Bin\MSBuild.exe" (
512- set _msbuildexe = " %ProgramFiles(x86)% \MSBuild\%VisualStudioVersion% \Bin\MSBuild.exe"
513- goto :havemsbuild
514- )
515- if exist " %ProgramFiles% \MSBuild\%VisualStudioVersion% \Bin\MSBuild.exe" (
516- set _msbuildexe = " %ProgramFiles% \MSBuild\%VisualStudioVersion% \Bin\MSBuild.exe"
517- goto :havemsbuild
518- )
519- echo Error: Could not find MSBuild.exe.&& goto :failure
520- goto :eof
521-
522- :havemsbuild
486+ set _msbuildexe = %~dp0 packages\RoslynTools.MSBuild.0.4.0-alpha\tools\msbuild\MSBuild.exe
523487set _nrswitch = /nr:false
524488
525489:: See <http://www.appveyor.com/docs/environment-variables>