not ported to this operating system at Makefile.PL line 25. Checking if your kit is complete... Looks good Note (probably harmless): No library found for -lXmp Note (probably harmless): No library found for -lWc Note (probably harmless): No library found for -lMisc Note (probably harmless): No library found for -lXm Note (probably harmless): No library found for -lXmu Note (probably harmless): No library found for -lXt Note (probably harmless): No library found for -lX11 Writing Makefile for X11::Wcl Microsoft (R) Program Maintenance Utility Version 7.10.3077 Copyright (C) Microsoft Corporation. All rights reserved. cat Wcl.pm >Wcl.pm.orig cat Wcl-i >Wcl.i CC='cl' CCFLAGS=' -DUNKNOWN_VERSION=0 -nologo -GF -W3 -MD -Zi -DNDEBUG -O1 -DWIN32 -D_CONSOLE -DNO_STRICT -DHAVE_DES_FCRYPT -DUSE_SITECUSTOMIZE -DPRIVLIB_LAST_IN_INC -DPERL_IMPLICIT_CONTEXT -DPERL_IMPLICIT_SYS -DUSE_PERLIO -DPERL_MSVCRT_READFIX -I.' C:\cpanrun\build\5-10-0\bin\perl.exe Wcl-gen Wcl-i 25 >>Wcl.i 'CC' is not recognized as an internal or external command, operable program or batch file. NMAKE : fatal error U1077: 'CC='cl'' : return code '0x1' Stop.