Set up gcc environment - 3.4.5 (mingw-vista special r3)
C:\Perl\site\bin\g++.exe -out:blib\arch\auto\Device\Modem\Protocol\Zmodem\Zmodem
.dll -mdll -L"C:\Perl\lib\CORE" Zmodem.o   C:\Perl\lib\CORE\perl510.lib -lkernel
32 -luser32 -lgdi32 -lwinspool -lcomdlg32 -ladvapi32 -lshell32 -lole32 -loleaut3
2 -lnetapi32 -luuid -lws2_32 -lmpr -lwinmm -lversion -lodbc32 -lodbccp32 -lmsvcr
t -def:Zmodem.def
C:\Perl\site\lib\auto\MinGW\bin\..\lib\gcc\mingw32\3.4.5\..\..\..\..\mingw32\bin
\ld.exe: cannot open output file ut:blib\arch\auto\Device\Modem\Protocol\Zmodem\
Zmodem.dll: Invalid argument
collect2: ld returned 1 exit status
dmake.exe:  Error code 129, while making 'blib\arch\auto\Device\Modem\Protocol\Z
modem\Zmodem.dll'