anchor.diff:  :build_with_mingw
   @set mingw=n
   @set mingwtest=0
  -@if EXIST "%gcc%" set mingwtest=1
  +@if EXIST %gcc% set mingwtest=1
   @set msys2=%mesa%msys64\msys2_shell.cmd
  -@if EXIST "%msys2%" set mingwtest=%mingwtest%2
  +@if EXIST %msys2% set mingwtest=%mingwtest%2
   @if %mingwtest%==12 set /p mingw=Do you want to build with MinGW-W64 instead of Visual Studio (y=yes):
   @if %dxtnbuilt%==0 set PATH=%gcc%\;%PATH%
   @set mesatoolchain=crossmingw
  -@copy "%gcc%\%altabi%-w64-mingw32-gcc-ar.exe" "%gcc%\%altabi%-w64-mingw32-ar.exe"
  -@copy "%gcc%\%altabi%-w64-mingw32-gcc-ranlib.exe" "%gcc%\%altabi%-w64-mingw32-ranlib.exe"
  +@copy %gcc%\%altabi%-w64-mingw32-gcc-ar.exe %gcc%\%altabi%-w64-mingw32-ar.exe
  +@copy %gcc%\%altabi%-w64-mingw32-gcc-ranlib.exe %gcc%\%altabi%-w64-mingw32-ranlib.exe
   @call "%msys2%" -use-full-path
   pacman -Syu
   pacman -S python2
  
positive.code: )
  
  :build_mesa_exec
  @python "%mesa%Python\%abi%\Scripts\scons.py" build=release platform=windows machine=%longabi% toolchain=%mesatoolchain% swr=%buildswr% libgl-gdi
  @echo.
  @pause
  
  
negative.code: @for %%I in ("%cd%") do @set mesa=%%~sI
  @set mesa=%mesa%\
  @set abi=x86
  @set /p x64=Do you want to build for x64?(y/n) Otherwise build for x86: 
  @if /I "%x64%"=="y" set abi=x64
  