anchor.diff:  @if %pythonver% GEQ 3 echo Build configuration command stored in buildconf variable.
   @if %pythonver% GEQ 3 echo.
   @if %pythonver% GEQ 3 cmd
  -@if %pythonver%==2 IF /I "%osmesa%"=="y" IF %disableosmesa%==1 (
  +@if %pythonver%==2 IF /I "%osmesa%"=="y" IF %osmesadualpass%==1 (
   @echo Build command: %buildcmd% gles=0 %mesatargets%
   @echo.
   @%buildcmd% gles=0 %mesatargets%
  
positive.code: @echo Beginning 2nd build pass
  @echo.
  )
  @if %pythonver%==2 (
  @echo Build command: %buildcmd% gles=%gles% %mesatargets%
  @echo.
  @%buildcmd% gles=%gles% %mesatargets%
  @echo.
  )
  
  
negative.code: @if %pythonver%==2 if /I "%swrdrv%"=="y" set buildcmd=%buildcmd% swr=1
  @if %pythonver% GEQ 3 if /I "%swrdrv%"=="y" set buildconf=%buildconf% -Dgallium-drivers=swrast,swr
  
  @set osmesadualpass=0
  @IF %pythonver%==2 IF %intmesaver% LSS 18300 set /p gles=Do you want to build GLAPI as a shared library and standalone GLES libraries (y/n):
  @IF %pythonver%==2 IF %intmesaver% LSS 18300 echo.
  @IF %pythonver% GEQ 3 set /p gles=Do you want to build GLAPI as a shared library and standalone GLES libraries (y/n):
  @IF %pythonver% GEQ 3 echo.
  @if %pythonver%==2 if /I "%gles%"=="y" set gles=y
  @if %pythonver%==2 if /I "%gles%"=="y" set osmesadualpass=1
  @if %pythonver%==2 if /I NOT "%gles%"=="y" set gles=0
  @if %pythonver% GEQ 3 if /I NOT "%gles%"=="y" set buildconf=%buildconf% -Dshared-glapi=false
  @if %pythonver% GEQ 3 if /I "%gles%"=="y" set buildconf=%buildconf% -Dgles1=true -Dgles2=true
  