Checking if your kit is complete... Looks good Writing Makefile for Time::HR Microsoft (R) Program Maintenance Utility Version 6.00.8168.0 Copyright (C) Microsoft Corp 1988-1998. All rights reserved. cp HR.pm blib\lib\Time\HR.pm AutoSplitting blib\lib\Time\HR.pm (blib\lib\auto\Time\HR) 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 HR.xs > HR.xsc && C:\cpanrun\build\5-10-0\bin\perl.exe -MExtUtils::Command -e mv HR.xsc HR.c Please specify prototyping behavior for HR.xs (see perlxs manual) 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=\"0.02\" -DXS_VERSION=\"0.02\" "-IC:\cpanrun\build\5-10-0\lib\CORE" -D_ HR.c HR.c C:\cpanrun\build\5-10-0\lib\CORE\config.h(2593) : warning C4005: '_' : macro redefinition unknown(0) : see previous definition of '_' HR.xs(42) : error C2061: syntax error : identifier '_gethrtime' HR.xs(42) : error C2059: syntax error : ';' HR.xs(42) : error C2059: syntax error : ')' HR.c(91) : error C2065: 'func_return_t' : undeclared identifier HR.c(91) : error C2146: syntax error : missing ';' before identifier 'RETVAL' HR.c(91) : error C2065: 'RETVAL' : undeclared identifier HR.xs(69) : warning C4013: '_gethrtime' undefined; assuming extern returning int HR.c(96) : error C2146: syntax error : missing ')' before identifier 'RETVAL' HR.c(96) : error C2059: syntax error : ')' NMAKE : fatal error U1077: 'cl' : return code '0x2' Stop.