Checking if your kit is complete... Looks good Note (probably harmless): No library found for -lm Writing Makefile for Math::CDF::cdflib Writing Makefile for Math::CDF Microsoft (R) Program Maintenance Utility Version 6.00.8168.0 Copyright (C) Microsoft Corp 1988-1998. All rights reserved. cp CDF.pm blib\lib\Math\CDF.pm AutoSplitting blib\lib\Math\CDF.pm (blib\lib\auto\Math\CDF) cd cdflib && nmake -nologo cl -c -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=\"\" -DXS_VERSION=\"\" "-IC:\cpanrun\build\5-10-0\lib\CORE" dcdflib.c dcdflib.c cl -c -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=\"\" -DXS_VERSION=\"\" "-IC:\cpanrun\build\5-10-0\lib\CORE" ipmpar.c ipmpar.c lib cr libcdflib.lib dcdflib.obj ipmpar.obj Microsoft (R) Library Manager Version 6.00.8447 Copyright (C) Microsoft Corp 1992-1998. All rights reserved. LIB : fatal error LNK1181: cannot open input file "cr" NMAKE : fatal error U1077: 'lib' : return code '0x49d' Stop. NMAKE : fatal error U1077: 'cd' : return code '0x2' Stop.