anchor.diff:  @cd "%mesa%mesa"
   @RD /S /Q build\windows-%longabi%
   @set /p openswr=Do you want to build OpenSWR drivers? (y=yes):
  -@set buildswr=
  -@if /i %openswr%==y @set buildswr=swr=1
  +@set buildswr=0
  +@if /i %openswr%==y @set buildswr=1
   @set mingw=n
   @set mingwtest=0
   @if EXIST "%gcc%" @set mingwtest=1
  
positive.code: pip install -r requirements.txt --upgrade
  cd $mesa
  cd mesa
  scons build=release platform=windows machine=x86 toolchain=crossmingw libgl-gdi
  @GOTO exit
  
  :build_with_vs
  @if %vsenvloaded%==0 call "%vsenv%"
  @cmd /k "scons build=release platform=windows machine=%longabi% %buildmingw% %buildswr% libgl-gdi"
  
  :exit
  exit
negative.code: @RD /S /Q cmake-%abi%
  @md cmake-%abi%
  @cd cmake-%abi%
  @if EXIST "%vsenv15%" set vsenv=%vsenv15%
  @if NOT EXIST "%vsenv15%" set vsenv=%vsenv14%
  @set vsenvloaded=1
  @call "%vsenv%"
  @set PATH=%mesa%cmake\%abi%\bin\;%PATH%
  