-You need to have installed gcc, binutils, bzip2, flex, python, perl, make,
-find, grep, diff, unzip, gawk, getopt, subversion, libz-dev and libc headers.
+To build your own firmware you need a Linux, BSD or MacOSX system (case
+sensitive filesystem required). Cygwin is unsupported because of the lack
+of a case sensitive file system.