Checking if your kit is complete...
Looks good
Note (probably harmless): No library found for -lm
Writing Makefile for libcluster
Writing Makefile for Algorithm::Cluster
Writing Makefile for Algorithm-Cluster

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

	nmake -f Makefile all -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=\"1.37\"  -DXS_VERSION=\"1.37\"  "-IC:\cpanrun\build\5-10-0\lib\CORE"   cluster.c
cluster.c
	lib cru libcluster.lib cluster.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 "cru"
NMAKE : fatal error U1077: 'lib' : return code '0x49d'
Stop.
NMAKE : fatal error U1077: 'C:\PROGRA~1\MICROS~3\VC98\BIN\nmake.exe' : return code '0x2'
Stop.