Fiddle with some of the comments:
diff --git a/gnu/packages/cups.scm b/gnu/packages/cups.scm
index ff3d152..ce90a28 100644
--- a/gnu/packages/cups.scm
+++ b/gnu/packages/cups.scm
@@ -26,6 +26,10 @@
#:use-module (gnu packages)
#:use-module (gnu packages avahi)
#:use-module (gnu packages compression)
+ #:use-module (gnu packages libusb)
+ #:use-module (gnu packages autotools)
+ #:use-module (gnu packages python)
+ #:use-module (gnu packages scanner)
#:use-module (gnu packages image)
#:use-module (gnu packages fonts) ;font-dejavu
#:use-module (gnu packages fontutils)
@@ -297,3 +301,107 @@ device-specific programs to convert and print many types
of files.")
("gnutls" ,gnutls)
("cups-filters" ,cups-filters)
("zlib" ,zlib)))))
+
+(define-public hplip
+ (package
+ (name "hplip")
+ (version "3.16.2")
+ (source (origin
+ (method url-fetch)
+ (uri (string-append "mirror://sourceforge/hplip/"
+ "/hplip-" version ".tar.gz"))
+ (sha256
+ (base32
+ "1nflgrbyl0fz35djnkn7qsfr5g4sh8lixqna9jvs52wasjllbj7j"))))
+ (build-system gnu-build-system)
+ (home-page "http://hplipopensource.com/")
+ (synopsis "HP Printer Drivers")
+ (description "Hewlett-Packard Printer Drivers and PPDs.")
+ ;; Note: X11 license is only used in install-sh.
+ (license (list license:gpl2 license:bsd-3 license:expat license:x11))
+ ;; TODO install apparmor profile files eventually.
+ (arguments
+ `(#:configure-flags
+ `("--disable-network-build"
+ ,(string-append "--prefix=" (assoc-ref %outputs "out"))
+ ,(string-append "--sysconfdir=" (assoc-ref %outputs "out") "/etc")
+ ;; Disable until mime.types merging works (FIXME).
+ "--disable-fax-build"
+ "--enable-hpcups-install"
+ "--enable-new-hpcups"
+ "--enable-cups_ppd_install"
+ "--enable-cups_drv_install"
+ ;; TODO add foomatic drv install eventually.
+ ;; TODO --enable-policykit eventually.
+ ,(string-append "--with-cupsfilterdir="
+ (assoc-ref %outputs "out")
+ "/lib/cups/filter")
+ ,(string-append "--with-cupsbackenddir="
+ (assoc-ref %outputs "out")
+ "/lib/cups/backend")
+ ,(string-append "--with-icondir="
+ (assoc-ref %outputs "out")
+ "/share/applications")
+ ,(string-append "--with-systraydir="
+ (assoc-ref %outputs "out")
+ "/etc/xdg"))
+ #:phases (modify-phases %standard-phases
+ (add-after 'unpack 'fix-libusb
+ (lambda* (#:key inputs outputs #:allow-other-keys)
+ (let ((out (assoc-ref outputs "out"))
+ ;; FIXME use merged ppds (I think actually only
drvs need to be merged).
+ (cupsdir (assoc-ref inputs "cups-minimal")))
+ (substitute* "base/g.py"
+ (("'/usr/share;[^']*'")
+ (string-append "'" cupsdir "/share'"))
+ (("'/etc/hp/hplip.conf'")
+ (string-append "'" out
+ "/etc/hp/hplip.conf" "'")))
+ (substitute* "Makefile.am"
+
(("[[:blank:]]check-plugin\\.py[[:blank:]]") " ")
+ ;; FIXME Use beginning-of-word in regexp.
+ (("[[:blank:]]plugin\\.py[[:blank:]]") " ")
+ (("/usr/include/libusb-1.0")
+ (string-append (assoc-ref inputs "libusb")
+ "/include/libusb-1.0"))
+ (("hplip_statedir[ ]*=[ ]*/var/lib/hp")
+ ;; This is only user in the installer.
+ (string-append "hplip_statedir = " out
+ "/var/lib/hp"))
+ (("hplip_confdir[ ]*=[ ]*/etc/hp")
+ ;; This is only used for installing the
default config.
+ (string-append "hplip_confdir = " out
+ "/etc/hp"))
+ (("halpredir[ ]*=[
]*/usr/share/hal/fdi/preprobe/10osvendor")
+ ;; Note: We don't use hal.
+ (string-append "halpredir = " out
+
"/share/hal/fdi/preprobe/10osvendor"))
+ (("rulesdir[ ]*=[ ]*/etc/udev/rules.d")
+ ;; udev rules will be merged by base
service.
+ (string-append "rulesdir = " out
+ "/lib/udev/rules.d"))
+ (("rulessystemdir=/usr/lib/systemd/system")
+ ;; We don't use systemd.
+ (string-append "rulessystemdir = " out
+ "/lib/systemd/system"))
+ (("/etc/sane.d")
+ (string-append out
+ "/etc/sane.d"))))))
+ (add-after 'fix-libusb 'autoreconf
+ (lambda _
+ (setenv "AUTOMAKE" "automake --foreign")
+ (zero? (system* "autoreconf" "-fi")))))))
+ ;; Python3 support is available starting from HPLIP-3.15.2 .
+ (inputs `(("libjpeg" ,libjpeg)
+ ("cups-minimal" ,cups-minimal)
+ ("libusb" ,libusb)
+ ("sane-backends" ,sane-backends)
+ ("dbus" ,dbus)
+ ("python-wrapper" ,python-wrapper)
+ ("python" ,python)
+ ;; TODO: Make hp-setup find python-dbus.
+ ("python-dbus" ,python-dbus)))
+ (native-inputs `(("pkg-config" ,pkg-config)
+ ("automake" ,automake)
+ ("autoconf" ,autoconf)
+ ("libtool" ,libtool)))))