C:\Perl\test\sftp\Crypt-DES-2.03>perl Makefile.pl
Writing Makefile for Crypt::DES

C:\Perl\test\sftp\Crypt-DES-2.03>nmake

Microsoft (R) Program Maintenance Utility   Version 1.50
Copyright (c) Microsoft Corp 1988-94. All rights reserved.

        cl -c    -nologo -Gf -W3 -MD -Zi -DNDEBUG -O1 -DWIN32 -D_CONSOLE -DNO_STRICT -DHAVE_DES_FCRYPT -DPERL_IMPLICIT_CONTEXT -DPERL_IMPLICIT_SYS -DUSE_PERLIO -DPERL_MSVCRT_READFIX -MD -Zi -DNDEBUG -
O1    -DVERSION=\"2.03\"  -DXS_VERSION=\"2.03\"  "-IC:\Perl\lib\CORE"   DES.c
'cl' is not recognized as an internal or external command,
operable program or batch file.
NMAKE : fatal error U1077: 'C:\WINNT\system32\cmd.exe' : return code '0x1'
Stop.

C:\Perl\test\sftp\Crypt-DES-2.03>