your platform is not standards-compliant, you have to port this module first
using some hardcoded config that will not work on your system
Checking if your kit is complete...
Looks good
Note (probably harmless): No library found for -lpthreadVC2
Writing Makefile for IO::AIO

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

cp AIO.pm blib\lib\IO/AIO.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 -typemap typemap  AIO.xs > AIO.xsc && C:\cpanrun\build\5-10-0\bin\perl.exe -MExtUtils::Command -e mv AIO.xsc AIO.c
	cl -c  -I/Perl/lib/CORE -I/sdk/include -I/vc98/include -I/gtk/include -I/gtk/include/pango-1.0 -I/gtk/include/glib-2.0 -I/gtk/lib/glib-2.0/include/ -I/gtk/include/freetype2  -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=\"2.51\"  -DXS_VERSION=\"2.51\"  "-IC:\cpanrun\build\5-10-0\lib\CORE"   AIO.c
AIO.c
C:\PROGRA~1\MICROS~3\VC98\INCLUDE\mswsock.h(69) : error C2146: syntax error : missing ')' before identifier 's'
C:\PROGRA~1\MICROS~3\VC98\INCLUDE\mswsock.h(69) : error C2061: syntax error : identifier 's'
C:\PROGRA~1\MICROS~3\VC98\INCLUDE\mswsock.h(69) : error C2059: syntax error : ';'
C:\PROGRA~1\MICROS~3\VC98\INCLUDE\mswsock.h(69) : error C2059: syntax error : ','
C:\PROGRA~1\MICROS~3\VC98\INCLUDE\mswsock.h(73) : error C2059: syntax error : ')'
C:\PROGRA~1\MICROS~3\VC98\INCLUDE\mswsock.h(89) : error C2146: syntax error : missing ')' before identifier 'hSocket'
C:\PROGRA~1\MICROS~3\VC98\INCLUDE\mswsock.h(89) : error C2061: syntax error : identifier 'hSocket'
C:\PROGRA~1\MICROS~3\VC98\INCLUDE\mswsock.h(89) : error C2059: syntax error : ';'
C:\PROGRA~1\MICROS~3\VC98\INCLUDE\mswsock.h(89) : error C2059: syntax error : ','
C:\PROGRA~1\MICROS~3\VC98\INCLUDE\mswsock.h(96) : error C2059: syntax error : ')'
C:\PROGRA~1\MICROS~3\VC98\INCLUDE\mswsock.h(101) : error C2146: syntax error : missing ')' before identifier 'sListenSocket'
C:\PROGRA~1\MICROS~3\VC98\INCLUDE\mswsock.h(101) : error C2061: syntax error : identifier 'sListenSocket'
C:\PROGRA~1\MICROS~3\VC98\INCLUDE\mswsock.h(101) : error C2059: syntax error : ';'
C:\PROGRA~1\MICROS~3\VC98\INCLUDE\mswsock.h(101) : error C2059: syntax error : ','
C:\PROGRA~1\MICROS~3\VC98\INCLUDE\mswsock.h(109) : error C2059: syntax error : ')'
C:\PROGRA~1\MICROS~3\VC98\INCLUDE\mswsock.h(131) : error C2146: syntax error : missing ')' before identifier 'hSocket'
C:\PROGRA~1\MICROS~3\VC98\INCLUDE\mswsock.h(131) : error C2061: syntax error : identifier 'hSocket'
C:\PROGRA~1\MICROS~3\VC98\INCLUDE\mswsock.h(131) : error C2059: syntax error : ';'
C:\PROGRA~1\MICROS~3\VC98\INCLUDE\mswsock.h(131) : error C2059: syntax error : ','
C:\PROGRA~1\MICROS~3\VC98\INCLUDE\mswsock.h(138) : error C2059: syntax error : ')'
C:\PROGRA~1\MICROS~3\VC98\INCLUDE\mswsock.h(146) : error C2146: syntax error : missing ')' before identifier 'sListenSocket'
C:\PROGRA~1\MICROS~3\VC98\INCLUDE\mswsock.h(146) : error C2061: syntax error : identifier 'sListenSocket'
C:\PROGRA~1\MICROS~3\VC98\INCLUDE\mswsock.h(146) : error C2059: syntax error : ';'
C:\PROGRA~1\MICROS~3\VC98\INCLUDE\mswsock.h(146) : error C2059: syntax error : ','
C:\PROGRA~1\MICROS~3\VC98\INCLUDE\mswsock.h(154) : error C2059: syntax error : ')'
xthread.h(27) : fatal error C1083: Cannot open include file: 'pthread.h': No such file or directory
NMAKE : fatal error U1077: 'cl' : return code '0x2'
Stop.