Autoconf2.13

• autoconf2.13(1) autoconf2- creates scripts to configure source code packages using templates
• autoheader2.13(1) autoheader2- creates a template file of C #define's for use by configure.
• autoreconf2.13(1) autoreconf2- update configure scripts
• autoscan2.13(1) autoscan2- help to create a configurefile for a software package
• autoupdate2.13(1) autoupdate2- updates an old configurefile to version 2
• ifnames2.13(1) ifnames2- print identifiers that a package uses in C preprocessor conditionals