config/gen/config_h.pl - Configuration Header
Generates include/parrot/config.h with platform-specific configuration values, include/parrot/has_header.h with platform-specific header information, and include/parrot/feature.h with information on optional features.
To install Ruby, copy and paste the appropriate command in to your terminal.
cpanm
cpanm Ruby
CPAN shell
perl -MCPAN -e shell install Ruby
For more information on module installation, please visit the detailed CPAN module installation guide.