error when running "make" under mame source folder

[LiranSX]

trying to build latest mame under and for windows 10 x64 - doing the following:

1. extracted
   https://github.com/mamedev/buildtools/releases/download/5.0/msys64-32-2019-12-23.exe to c:\msys64
2. extracted https://github.com/mamedev/mame/releases/download/mame0222/mame0222s.exe to c:\msys64\src\mame0222\
3. cd c:\msys64\win32\
4. run "Config64.bat"
5. cd c:\msys64\src\mame0222\
6. run "make"
   i get the following output:

[MINGW64] C:\msys64\src\mame0222>make
'm' is not recognized as an internal or external command,
operable program or batch file.
'm' is not recognized as an internal or external command,
operable program or batch file.
'm' is not recognized as an internal or external command,
operable program or batch file.
'm' is not recognized as an internal or external command,
operable program or batch file.
GCC 9.2.0 detected
'm' is not recognized as an internal or external command,
operable program or batch file.
'm' is not recognized as an internal or external command,
operable program or batch file.
Creating obj/Release
genie.make:241: recipe for target 'obj/Release' failed
make[1]: *** [obj/Release] Error 1
makefile:1652: recipe for target '3rdparty/genie/bin/windows/genie.exe' failed
make: *** [3rdparty/genie/bin/windows/genie.exe] Error 2