support for prefix/suffix so it can coexist with the other projects
that call themselves bootchart, e.g. by calling itself
mmeeks-bootchart or bootchart2
support for distributions with /usr unification (build with EARLY_PREFIX=/usr)
support for distributions that use lib64 (e.g. Fedora, OpenSUSE) or
lib/${gnu_tuple} (e.g. Debian, Ubuntu)