Requirements:

For ttusb_dec_reset, you will need libusb.

Building:

Simply type
$ make

Build options
  static=1          - Build all applications statically.
  V=1               - Verbose output during build.
  ttusb_dec_reset=1 - Build the optional ttusb_dec_reset.

Installing:

Install libraries and utils to /usr/[bin,include,lib,share]
$ make install

Install options
  prefix=<...>     - basic installation dir [default: /usr]
  bindir=<...>     - installation dir for applications [default: $(prefix)/bin]
  includedir=<...> - installation dir for include files [default: $(prefix)/include]
  libdir=<...>     - installation dir for applications [default: $(prefix)/lib]
  sharedir=<...>   - installation dir for shared data [default: $(prefix)/share]
  DESTDIR=<...>    - prefix for all files, useful for packaging
