D:\Perl\temp\Net_SSLeay.pm-1.21>nmake

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

        cl -c  -ID:\Perl\OpenSSL/include -ID:\Perl\OpenSSL/inc32  -nologo -Gf -W
3 -MD -DNDEBUG -O1 -DWIN32 -D_CONSOLE -DNO_STRICT -DHAVE_DES_FCRYPT -DPERL_IMPLI
CIT_CONTEXT -DPERL_IMPLICIT_SYS -DUSE_PERLIO -DPERL_MSVCRT_READFIX -O    -DVERSI
ON=\"1.21\"  -DXS_VERSION=\"1.21\"  "-ID:\Perl\lib\CORE"  -DPERL5 SSLeay.c
'cl' is not recognized as an internal or external command,
operable program or batch file.
NMAKE : fatal error U1077: 'C:\WINXP\system32\cmd.exe' : return code '0x1'
Stop.