anchor.diff: -@set x86gcc=6.3.0
  -@set x64gcc=6.3.0
  -@set x86except=dwarf
  -@set x64except=seh
  -@set x86threading=posix
  -@set x64threading=posix
  -@set x86mingwver=5
  -@set x64mingwver=5
  -@set x86mingwrev=1
  -@set x64mingwrev=1
  -
  -@set mesa=%cd%\
  -@set mesaunix=%mesa:\=/%
  +@set mesa=%cd%/
  +@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
  
positive.code: :build_mesa
  @set /p buildmesa=Begin mesa build. Proceed (y/n):
  @if /i NOT %buildmesa%==y GOTO exit
  @set LLVM=%mesaunix%llvm/%abi%
  @cd %mesa%mesa
  @set mingw=n
  @rem if EXIST "%gcc%" set /p mingw=Do you want to build with MinGW-W64 instead of Visual Studio? (y=yes):
  @set buildmingw=
  @if /i %mingw%==y @set buildmingw=toolchain=crossmingw
  @set /p openswr=Do you want to build OpenSWR drivers? (y=yes):
  @set buildswr=
  @if /i %openswr%==y @set buildswr=swr=1
  
negative.code: @MD %abi%
  @set dxtn=gcc -shared
  @if %abi%==x86 set dxtn=%dxtn% -m32
  @set dxtn=%dxtn% -v *.c *.h -I ../mesa/include -Wl,--dll,--dynamicbase,--enable-auto-image-base,--nxcompat -o %abi%/dxtn.dll
  @echo.
  @%dxtn%
  @echo.
  