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