Set up gcc environment - 3.4.5 (mingw-vista special r3) Set up gcc environment - 3.4.5 (mingw-vista special r3) Can't find dist packages without a MANIFEST file Run 'Build manifest' to generate one WARNING: Possible missing or corrupt 'MANIFEST' file. Nothing to enter for 'provides' field in metafile. Could not get valid metadata. Error is: JSON 2.5 is required for $ENV{PERL_JSON_ BACKEND} = 'JSON::XS' at E:/Programme/ActivePerl/site/lib/CPAN/Meta/Converter.pm line 23. at E:/Programme/ActivePerl/site/lib/Module/Build/Base.pm line 4571. Could not create MYMETA files Creating new 'Build' script for 'Sudoku-Trainer' version '0.000_001'