anchor.diff:  set PATH=%PATH~%
   GOTO:EOF
   
  -:REPL
  -set VERSION=2.0
  +:RECOMPILE
  +set VERSION=2.1
   set PATH=%MINGW64%;%PATH%
   ::for /f "delims=" %%a in ('git describe') do @set VERSION=%%a
  -vm repl - --version %VERSION% < src/ol.scm
  +vm repl --force-version %VERSION% < src/ol.scm
   FOR %%I IN (repl) DO FOR %%J IN (boot.fasl) DO echo ":: %%~zI -> %%~zJ"
   fc /b repl boot.fasl > nul
   if errorlevel 1 goto again
  
positive.code: ::       latest sdk is bullshit and doesn't works
  
  set PATH~=%PATH%
  set MINGW32=C:\MinGW\i686-7.3.0-posix-dwarf-rt_v5-rev0\mingw32\bin\
  set MINGW64=C:\MinGW\x86_64-7.3.0-posix-seh-rt_v5-rev0\mingw64\bin\
  set CC=gcc
  
  echo -=( building %1 )=-------------------------------------------------------------------
  
negative.code: IF "%1"=="ol" GOTO OL
  IF "%1"=="ol32" GOTO OL32
  IF "%1"=="ol64" GOTO OL64
  IF "%1"=="recompile" GOTO RECOMPILE
  IF "%1"=="repl32" GOTO REPL32
  IF "%1"=="repl64" GOTO REPL64
  IF "%1"=="repl" GOTO REPL
  IF "%1"=="boot" GOTO BOOT
  IF "%1"=="slim" GOTO SLIM
  IF "%1"=="js" GOTO JS
  