C:\Perl>a2.pl
Can't locate loadable object for module Win32::API in @INC(@INC contains: C:/Perl/lib C:/Perl/site/lib .) at C:/Perl/site/lib/Win32API/CommPort.pm line 5
Compilation failed in require at C:/Perl/site/lib/Win32API/CommPort.pm line 5.
BEGIN failed--compilation aborted at C:/Perl/site/lib/Win32API/CommPort.pm line5.

Compilation failed in require at C:/Perl/site/lib/Win32/SerialPort.pm line 4.
BEGIN failed--compilation aborted at C:/Perl/site/lib/Win32/SerialPort.pm line 4.