This script will call c2ast before calling the real compiler, and is targetted for gcc. You should set the environment variable ${CC} and then do 'make'.
To install MarpaX::Languages::C::AST, copy and paste the appropriate command in to your terminal.
cpanm
cpanm MarpaX::Languages::C::AST
CPAN shell
perl -MCPAN -e shell install MarpaX::Languages::C::AST
For more information on module installation, please visit the detailed CPAN module installation guide.