[autoconf] Use autoconf to generate configure

1. Remove all Makefile

2.

autoscan

mv configure.scan configure.ac

3.

vim configure.ac

AC_INIT(FULL-PACKAGE-NAME, VERSION, BUG-REPORT-ADDRESS) –> AC_INIT(pippo, 2.6, paperino@staff.pippo.org)

4.

autoconf

This produces one files: configure

5.

vim Makefile.am

6.

vim configure.ac

check –> AM_INIT_AUTOMAKE(pippo, 2.6) & AC_OUTPUT(Makefile src/Makefile)

7.

aclocal

Reference:

1. A tutorial for porting to autoconf & automake