cpan> install JSON::XS
Reading 'C:\Software\Perl5.18\cpan\Metadata'
  Database was generated on Sun, 23 Mar 2014 11:06:14 GMT
Running install for module 'JSON::XS'
Running make for M/ML/MLEHMANN/JSON-XS-3.01.tar.gz
Checksum for C:\Software\Perl5.18\cpan\sources\authors\id\M\ML\MLEHMANN\JSON-XS-3.01.tar.gz ok
Scanning cache C:\Software\Perl5.18/cpan/build for sizes
............................................................................DONE
JSON-XS-3.01/
JSON-XS-3.01/typemap
JSON-XS-3.01/XS.pm
JSON-XS-3.01/Makefile.PL
JSON-XS-3.01/META.yml
JSON-XS-3.01/Changes
JSON-XS-3.01/META.json
JSON-XS-3.01/COPYING
JSON-XS-3.01/XS.xs
JSON-XS-3.01/README
JSON-XS-3.01/bin/
JSON-XS-3.01/bin/json_xs
JSON-XS-3.01/eg/
JSON-XS-3.01/eg/bench
JSON-XS-3.01/t/
JSON-XS-3.01/t/18_json_checker.t
JSON-XS-3.01/t/20_faihu.t
JSON-XS-3.01/t/03_types.t
JSON-XS-3.01/t/09_pc_extra_number.t
JSON-XS-3.01/t/21_evans.t
JSON-XS-3.01/t/19_incr.t
JSON-XS-3.01/t/52_object.t
JSON-XS-3.01/t/05_dwiw_decode.t
JSON-XS-3.01/t/00_load.t
JSON-XS-3.01/t/07_pc_esc.t
JSON-XS-3.01/t/15_prefix.t
JSON-XS-3.01/t/06_pc_pretty.t
JSON-XS-3.01/t/22_comment_at_eof.t
JSON-XS-3.01/t/02_error.t
JSON-XS-3.01/t/01_utf8.t
JSON-XS-3.01/t/10_pc_keysort.t
JSON-XS-3.01/t/17_relaxed.t
JSON-XS-3.01/t/11_pc_expo.t
JSON-XS-3.01/t/99_binary.t
JSON-XS-3.01/t/12_blessed.t
JSON-XS-3.01/t/16_tied.t
JSON-XS-3.01/t/08_pc_base.t
JSON-XS-3.01/t/14_latin1.t
JSON-XS-3.01/t/04_dwiw_encode.t
JSON-XS-3.01/t/13_limit.t
JSON-XS-3.01/XS/
JSON-XS-3.01/XS/Boolean.pm
JSON-XS-3.01/MANIFEST

  CPAN.pm: Building M/ML/MLEHMANN/JSON-XS-3.01.tar.gz

Checking if your kit is complete...
Looks good
Warning: prerequisite Types::Serialiser 0 not found.
Warning: prerequisite common::sense 0 not found.
JSON 2.5 is required for $ENV{PERL_JSON_BACKEND} = 'JSON::XS'
 at C:/Software/Perl5.18/lib/CPAN/Meta/Converter.pm line 23.
 at C:/Software/Perl5.18/lib/ExtUtils/MM_Any.pm line 884.
JSON 2.5 is required for $ENV{PERL_JSON_BACKEND} = 'JSON::XS'
 at C:/Software/Perl5.18/lib/CPAN/Meta/Converter.pm line 23.
Warning: No success on command[C:\Software\Perl5.18\bin\perl.exe Makefile.PL INSTALLDIRS=site]
  MLEHMANN/JSON-XS-3.01.tar.gz
  C:\Software\Perl5.18\bin\perl.exe Makefile.PL INSTALLDIRS=site -- NOT OK
Running make test
  Make had some problems, won't test
Running make install
  Make had some problems, won't install
Could not read metadata file. Falling back to other methods to determine prerequisites
Failed during this command:
 MLEHMANN/JSON-XS-3.01.tar.gz                 : writemakefile NO 'C:\Software\Perl5.18\bin\perl.exe Makefile.PL INSTALLDIRS=site' returned status 512

cpan>