option('manpage', type: 'boolean', value: true, description: 'Build man pages') option('gcrypt', type: 'boolean', value: true, description: 'With gcrypt and transport encryption') option('debugging', type: 'boolean', value: false, description: 'Turn debugging on/off') option('vapi', type: 'boolean', value: true, description: 'Create VAPI file.') option('gtk_doc', type: 'boolean', value: true, description: 'Build reference documentation using gi-docgen') option('introspection', type: 'boolean', value: true, description: 'Create GIR file.') option('bashcompdir', type: 'string', value: '', description: 'Override default location for bash completion files') option('bash_completion', type: 'feature', value: 'auto', description: 'Install bash completion files') option('tpm2', type: 'boolean', value: false, description: 'With TPM2 Software Stack')