No POD found for gperl-i11n-marshal-struct.c. Time to read the source?
gperl-i11n-marshal-struct.c
To install Glib::Object::Introspection, copy and paste the appropriate command in to your terminal.
cpanm
cpanm Glib::Object::Introspection
CPAN shell
perl -MCPAN -e shell install Glib::Object::Introspection
For more information on module installation, please visit the detailed CPAN module installation guide.