Checking if your kit is complete...
Looks good
Note (probably harmless): No library found for -lao
Writing Makefile for Ao

Microsoft (R) Program Maintenance Utility   Version 6.00.8168.0
Copyright (C) Microsoft Corp 1988-1998. All rights reserved.

Math::BigInt: couldn't load specified math lib(s), fallback to Math::BigInt::FastCalc at C:/cpanrun/build/5-10-0/site/lib/Win32API/File.pm line 20
cp Ao.pm blib\lib\Ao.pm
AutoSplitting blib\lib\Ao.pm (blib\lib\auto\Ao)
	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  Ao.xs > Ao.xsc && C:\cpanrun\build\5-10-0\bin\perl.exe -MExtUtils::Command -e mv Ao.xsc Ao.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=\"0.02\"  -DXS_VERSION=\"0.02\"  "-IC:\cpanrun\build\5-10-0\lib\CORE"   Ao.c
Ao.c
Ao.xs(5) : fatal error C1083: Cannot open include file: 'ao/ao.h': No such file or directory
NMAKE : fatal error U1077: 'cl' : return code '0x2'
Stop.