====== automake ======

1) Create sources, “Makefile.am”

2) `autoscan`

3) Rename “configure.scan” to “configure.ac”

4) `autoheader`
4b) 'AC_CONFIG_AUX_DIR(config)' to put all config file in 'config' folder.
5) Add AM_INIT_AUTOMAKE to “configure.ac”

6) `aclocal`

7) `automake ­­add­missing ­­copy`

8) `autoconf`

9) `./configure`

10) `make`

11) `make install`

====== reconf ======

1) Run `autoscan` again

2) Compare configure.scan with configure.ac

Update configure.ac

3) Run `autoreconf`

====== Resources ======
minimal project with subdirectories
  * http://realmike.org/blog/2010/07/18/gnu-automake-by-example/
  * http://stackoverflow.com/questions/2751541/autoconf-including-a-static-library-newbie
  * http://www.airs.com/ian/configure/configure_2.html
  * https://projects.coin-or.org/BuildTools/wiki/pm-autotools#WorkingWiththeGNUAutotools