+ autoconfメモ

Files used in preparing a software package for distribution:

    your source files --> [autoscan*] --> [configure.scan] --> configure.ac

    configure.ac --.
                   |   .------> autoconf* -----> configure
    [aclocal.m4] --+---+
                   |   `-----> [autoheader*] --> [config.h.in]
    [acsite.m4] ---'

    Makefile.in -------------------------------> Makefile.in

Files used in configuring a software package:

                           .-------------> [config.cache]
    configure* ------------+-------------> config.log
                           |
    [config.h.in] -.       v            .-> [config.h] -.
                   +--> config.status* -+               +--> make*
    Makefile.in ---'                    `-> Makefile ---'