Checking if your kit is complete... Looks good Note (probably harmless): No library found for -lsql4 Note (probably harmless): No library found for -lm Writing Makefile for DBD::Informix4 Microsoft (R) Program Maintenance Utility Version 6.00.8168.0 Copyright (C) Microsoft Corp 1988-1998. All rights reserved. cp Informix4.pm blib\lib\DBD\Informix4.pm 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 Informix4.xs > Informix4.xsc && C:\cpanrun\build\5-10-0\bin\perl.exe -MExtUtils::Command -e mv Informix4.xsc Informix4.c cl -c -I/incl -IC:\cpanrun\build\5-10-0\lib/DBI -IC:\cpanrun\build\5-10-0\site\lib/auto/DBI -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=\"0.23\" -DXS_VERSION=\"0.23\" "-IC:\cpanrun\build\5-10-0\lib\CORE" Informix4.c Informix4.c dbdimp.h(13) : fatal error C1083: Cannot open include file: 'sqlca.h': No such file or directory NMAKE : fatal error U1077: 'cl' : return code '0x2' Stop.