unable to make on windows 10 with gnumake

[pxc3113]

PS E:\mini-os> make
'uname' is not recognized as an internal or external command,
operable program or batch file.
'uname' is not recognized as an internal or external command,
operable program or batch file.
'uname' is not recognized as an internal or external command,
operable program or batch file.
Config.mk:86: E:/mini-os/arch//arch.mk: No such file or directory
'uname' is not recognized as an internal or external command,
operable program or batch file.
'uname' is not recognized as an internal or external command,
operable program or batch file.
-z was unexpected at this time.
-z was unexpected at this time.
'uname' is not recognized as an internal or external command,
operable program or batch file.
'uname' is not recognized as an internal or external command,
operable program or batch file.
'uname' is not recognized as an internal or external command,
operable program or batch file.
'uname' is not recognized as an internal or external command,
operable program or batch file.
'uname' is not recognized as an internal or external command,
operable program or batch file.
'uname' is not recognized as an internal or external command,
operable program or batch file.
makefile:216: ?ˉ??￡o?2??1?óú??±ê?°tags?±μ??üá?
makefile:212: ?ˉ??￡oo???1?óú??±ê?°tags?±μ??é?üá?
make: *** ??óD1??ò?éò?′′?¨??±ê?°E:/mini-os/arch//arch.mk?±?￡ í￡?1?￡