Shell command to configure sources before building, e.g, invoking the ''configure'' script in auto-tools-based projects. It is important to use [[#Predefined_options|predefined constants]], at least ''%(PREFIX)s'', during configuration to prepare valid Zero packages. If the source code does not require a configuration stage, this option could be omited. | Shell command to configure sources before building, e.g, invoking the ''configure'' script in auto-tools-based projects. It is important to use [[#Predefined_options|predefined constants]], at least ''%(PREFIX)s'', during configuration to prepare valid Zero packages. If the source code does not require a configuration stage, this option could be omited. |