Checking if your kit is complete...
Looks good
Note (probably harmless): No library found for '-ldoublefann'
Note (probably harmless): No library found for 'oldnames.lib'
Note (probably harmless): No library found for 'msvcrt.lib'
Writing Makefile for AI::FANN

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

cp lib/AI/FANN.pm blib\lib\AI\FANN.pm
	D:\cpanrun\build\5-6-1\bin\perl.exe -Id:\cpanrun\build\5-6-1\lib -Id:\cpanrun\build\5-6-1\lib D:\cpanrun\build\5-6-1\lib\ExtUtils/xsubpp  -typemap D:\cpanrun\build\5-6-1\lib\ExtUtils\typemap -typemap typemap FANN.xs > FANN.xsc && D:\cpanrun\build\5-6-1\bin\perl.exe -Id:\cpanrun\build\5-6-1\lib -Id:\cpanrun\build\5-6-1\lib -MExtUtils::Command -e mv FANN.xsc FANN.c
Error: 'float' not in typemap in FANN.xs, line 214
Error: 'const char *' not in typemap in FANN.xs, line 321
Error: 'float' not in typemap in FANN.xs, line 324
Error: 'float' not in typemap in FANN.xs, line 334
Error: 'const char *' not in typemap in FANN.xs, line 342
Error: 'float' not in typemap in FANN.xs, line 345
Error: 'float' not in typemap in FANN.xs, line 355
Error: 'float' not in typemap in FANN.xs, line 364
Error: 'const char *' not in typemap in FANN.xs, line 446
Error: 'float' not in typemap in accessors.xsh, line 58
Error: 'float' not in typemap in accessors.xsh, line 66
Error: 'float' not in typemap in accessors.xsh, line 75
Error: 'float' not in typemap in accessors.xsh, line 83
Error: 'float' not in typemap in accessors.xsh, line 109
Error: 'float' not in typemap in accessors.xsh, line 117
Error: 'float' not in typemap in accessors.xsh, line 126
Error: 'float' not in typemap in accessors.xsh, line 134
Error: 'float' not in typemap in accessors.xsh, line 143
Error: 'float' not in typemap in accessors.xsh, line 151
Error: 'float' not in typemap in accessors.xsh, line 160
Error: 'float' not in typemap in accessors.xsh, line 168
Error: 'float' not in typemap in accessors.xsh, line 177
Error: 'float' not in typemap in accessors.xsh, line 185
Error: 'float' not in typemap in accessors.xsh, line 194
Error: 'float' not in typemap in accessors.xsh, line 202
Error: 'float' not in typemap in accessors.xsh, line 267
Error: 'float' not in typemap in accessors.xsh, line 302
Error: 'float' not in typemap in accessors.xsh, line 310
Error: 'float' not in typemap in accessors.xsh, line 319
Error: 'float' not in typemap in accessors.xsh, line 327
Error: 'float' not in typemap in accessors.xsh, line 336
Error: 'float' not in typemap in accessors.xsh, line 344
NMAKE : fatal error U1077: 'D:\cpanrun\build\5-6-1\bin\perl.exe' : return code '0x1'
Stop.