Hello, A bit of information is provided in this documentation section. https://www.gnu.org/savannah-checkouts/gnu/autoconf/manual/autoconf-2.69/html_node/Defining-Variables.html 1. Would it be nice to mention that variables which were passed as command line parameters will be accessible and processed by ordinary variables in the M4 (or shell) programming language (instead of other possible programming interfaces)? 2. How do you think about to add any links to other sections there? * 7.2 Setting Output Variables * 15.3 Choosing Package Options Regards, Markus _______________________________________________ Autoconf mailing list Autoconf@xxxxxxx https://lists.gnu.org/mailman/listinfo/autoconf