or download this
C:\stager2\Zmodem>perl Makefile.PL
Set up gcc environment - 3.4.5 (mingw-vista special r3)
...
dll.exp:fake:(.edata+0x38): undefined reference to `boot_Device__Modem
+__Protocol__Zmodem'
collect2: ld returned 1 exit status
dmake.exe: Error code 129, while making 'blib\arch\auto\Device\Modem\
+Protocol\Zmodem\Zmodem.dll'