Checking if your kit is complete...
Looks good
Writing Makefile for dan

Microsoft (R) Program Maintenance Utility Version 7.10.3077
Copyright (C) Microsoft Corporation.  All rights reserved.

cp lib/dan.pm blib\lib\dan.pm

Microsoft (R) Program Maintenance Utility Version 7.10.3077
Copyright (C) Microsoft Corporation.  All rights reserved.

	C:\cpanrun\build\5-10-0\bin\perl.exe "-MExtUtils::Command::MM" "-e" "test_harness(1, 'inc', 'blib\lib', 'blib\arch')" t/*.t
t/00_compile....1..1

#   Failed test 'use dan;'
#   at t/00_compile.t line 4.
not ok 1 - use dan;
#     Tried to use 'dan'.
#     Error:  Undefined subroutine &dan::find_encoding called at C:\cpanrun\depot\main\contrib-patched\perl\CPAN\src\dan\blib\lib/dan.pm line 18.
# Compilation failed in require at (eval 3) line 2.
# BEGIN failed--compilation aborted at t/00_compile.t line 4.
# Looks like you failed 1 test of 1.
dubious
	Test returned status 1 (wstat 256, 0x100)
DIED. FAILED test 1
	Failed 1/1 tests, 0.00% okay
t/01_literal....Undefined subroutine &dan::find_encoding called at C:\cpanrun\depot\main\contrib-patched\perl\CPAN\src\dan\blib\lib/dan.pm line 18.
Compilation failed in require at t/01_literal.t line 8.
BEGIN failed--compilation aborted at t/01_literal.t line 8.
dubious
	Test returned status 9 (wstat 2304, 0x900)
t/02_utf8.......Undefined subroutine &dan::find_encoding called at C:\cpanrun\depot\main\contrib-patched\perl\CPAN\src\dan\blib\lib/dan.pm line 18.
Compilation failed in require at t/02_utf8.t line 7.
BEGIN failed--compilation aborted at t/02_utf8.t line 7.
dubious
	Test returned status 9 (wstat 2304, 0x900)
t/03_cat........Undefined subroutine &dan::find_encoding called at C:\cpanrun\depot\main\contrib-patched\perl\CPAN\src\dan\blib\lib/dan.pm line 18.
Compilation failed in require at t/03_cat.t line 10.
BEGIN failed--compilation aborted at t/03_cat.t line 10.
dubious
	Test returned status 9 (wstat 2304, 0x900)
t/04_regexp.....Undefined subroutine &dan::find_encoding called at C:\cpanrun\depot\main\contrib-patched\perl\CPAN\src\dan\blib\lib/dan.pm line 18.
Compilation failed in require at t/04_regexp.t line 8.
BEGIN failed--compilation aborted at t/04_regexp.t line 8.
dubious
	Test returned status 9 (wstat 2304, 0x900)
t/05_list.......Undefined subroutine &dan::find_encoding called at C:\cpanrun\depot\main\contrib-patched\perl\CPAN\src\dan\blib\lib/dan.pm line 18.
Compilation failed in require at t/05_list.t line 6.
BEGIN failed--compilation aborted at t/05_list.t line 6.
dubious
	Test returned status 9 (wstat 2304, 0x900)
Failed Test    Stat Wstat Total Fail  List of Failed
-------------------------------------------------------------------------------
t/00_compile.t    1   256     1    1  1
t/01_literal.t    9  2304    ??   ??  ??
t/02_utf8.t       9  2304    ??   ??  ??
t/03_cat.t        9  2304    ??   ??  ??
t/04_regexp.t     9  2304    ??   ??  ??
t/05_list.t       9  2304    ??   ??  ??
Failed 6/6 test scripts. 1/1 subtests failed.
Files=6, Tests=1,  1 wallclock secs ( 0.00 cusr +  0.00 csys =  0.00 CPU)
Failed 6/6 test programs. 1/1 subtests failed.
NMAKE : fatal error U1077: 'C:\cpanrun\build\5-10-0\bin\perl.exe' : return code '0x9'
Stop.