'tclsh' is not recognized as an internal or external command,
operable program or batch file.
Use of uninitialized value $tclver in pattern match (m//) at Makefile.PL line 172.
Use of uninitialized value $vmaj in numeric lt (<) at Makefile.PL line 173.
Use of uninitialized value $vmaj in concatenation (.) or string at Makefile.PL line 173.
Use of uninitialized value $vmin in concatenation (.) or string at Makefile.PL line 173.
Tcl requires Tcl v8.4 or greater, found '.'