Checking if your kit is complete... Looks good Warning: '-L./' changed to '-LC:/cpanrun/depot/main/contrib-patched/perl/CPAN/src/Net-Gadu/./' Note (probably harmless): No library found for -lgadu Writing Makefile for Net::Gadu Microsoft (R) Program Maintenance Utility Version 6.00.8168.0 Copyright (C) Microsoft Corp 1988-1998. All rights reserved. cp Gadu.pm blib\lib\Net\Gadu.pm AutoSplitting blib\lib\Net\Gadu.pm (blib\lib\auto\Net\Gadu) C:\cpanrun\build\5-10-0\bin\perl.exe C:\cpanrun\build\5-10-0\lib\ExtUtils\xsubpp -typemap C:\cpanrun\build\5-10-0\lib\ExtUtils\typemap -typemap typemap Gadu.xs > Gadu.xsc && C:\cpanrun\build\5-10-0\bin\perl.exe -MExtUtils::Command -e mv Gadu.xsc Gadu.c cl -c -I/usr/include -I/usr/local/include -L./ -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 -MD -Zi -DNDEBUG -O1 -DVERSION=\"1.8\" -DXS_VERSION=\"1.8\" "-IC:\cpanrun\build\5-10-0\lib\CORE" Gadu.c Command line warning D4002 : ignoring unknown option '-L./' Gadu.c Gadu.xs(25) : fatal error C1083: Cannot open include file: 'libgadu.h': No such file or directory NMAKE : fatal error U1077: 'cl' : return code '0x2' Stop.