Installation:

* Determine which is the favourite make ('make', 'gmake', 'nmake') of your
  platform
* The Make chooses the right makefile for you (e. g. GNUmakefile for GNU make)
* call 'make all'
* call 'make install'

Customization of the build process:

* Check out the file 'makefiles/compiler.mk' for compiler settings, choose
  them at will

New unsupported platforms, architectures, compilers

* Check out 'makefiles/guess_env' and add code to detect your new
  environment
* Check out 'include/port/sys.h' and set the proper macros fitting
  to your new environment