Refactoring:
replace asSet copy by asNewSet (same for IdentitySet)
replace (xxx collect:[]) asSet by (xxx collect:[] as:Set)
replace (xxx select:[]) asSet by (xxx select:[] as:Set)
@REM -------
@REM make using mingw compiler
@REM type mingwmake, and wait...
@REM do not edit - automatically generated from ProjectDefinition
@REM -------
@call ..\rules\find_mingw.bat
make.exe -N -f bc.mak %USEMINGW_ARG% %*