Libticables2 Guix Package Definition

(define-public libticables2
  (package
    (name "libticables2")
    (version "1.3.5")
    (source (origin
              (method url-fetch)
              (uri "https://www.ticalc.org/pub/unix/tilibs.tar.gz")
              (sha256
               (base32
                "07cfwwlidgx4fx88whnlch6y1342x16h15lkvkkdlp2y26sn2yxg"))))
    (build-system gnu-build-system)
    (arguments
     `(#:configure-flags (list "--enable-libusb10")
       #:phases
       (modify-phases %standard-phases
         (replace 'unpack
           (lambda* (#:key source #:allow-other-keys)
             (invoke "tar" "xvkf" source)
             (invoke "tar" "xvkf"
                     (string-append "tilibs2/libticables2-"
                                    ,version ".tar.bz2"))
             (chdir (string-append "libticables2-" ,version))
             #t)))))
    (native-inputs
     `(("autoconf" ,autoconf)
       ("autogen" ,autogen)
       ("automake" ,automake)
       ("gettext" ,gnu-gettext)
       ("libtool" ,libtool)
       ("pkg-config" ,pkg-config)))
    (inputs
     `(("glib" ,glib)
       ("libusb" ,libusb)))
    (synopsis "Texas Instruments link cable library: A part of the TiLP project")
    (description
     "This project aims to develop a multi-platform linking program for
use with all TI graphing calculators (TI73 to V200PLT).")
    (home-page "http://lpg.ticalc.org/prj_tilp/")
    (license license:gpl2+)))

I am planning to submit this to Guix after completing definitions for the other tilibs2 components.