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\MLEHMAN
+N\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 Makef
+ile.PL INSTALLDIRS=site]
  MLEHMANN/JSON-XS-3.01.tar.gz
  C:\Software\Perl5.18\bin\perl.exe Makefile.PL INSTALLDIRS=site -- NO
+T 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 determi
+ne prerequisites
Failed during this command:
 MLEHMANN/JSON-XS-3.01.tar.gz                 : writemakefile NO 'C:\S
+oftware\Perl5.18\bin\perl.exe Makefile.PL INSTALLDIRS=site' returned 
+status 512

cpan>
[download]