[PATCH v2] Add hplip

[Danny Milosavljevic <dannym@scratchpost.org>]

This is a patch that adds hplip. Note that hplip builds and installs but we don't do any of the merging of different packages' ppds etc yet [the majority of the merging will be in "services" and not in "packages", though].

diff --git a/gnu/packages/cups.scm b/gnu/packages/cups.scm
index ff3d152..ca637c1 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 +301,59 @@ 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 "HP Printer Drivers and PPDs. You can use the PPDs with CUPS as well.")
+    (license (list license:gpl2 license:bsd-3)) ; FIXME and which MIT
+    ; FIXME remove Binary plugin-ins, hp-plugin
+    ; FIXME PPDs use "hpcups" in cupsFilter. In which directory?
+    ; TODO install apparmor profile files
+    (arguments `(#:configure-flags `("--disable-network-build"
+                                     ,(string-append "--prefix=" (assoc-ref %outputs "out"))
+                                     ,(string-append "--sysconfdir=" (assoc-ref %outputs "out") "/etc")
+                                     "--disable-fax-build" ; until mime.types merging works; FIXME re-enable
+                                     ,(string-append "--with-cupsfilterdir=" (assoc-ref %outputs "out") "/lib/cups/filter") ; TODO merge
+                                     ,(string-append "--with-cupsbackenddir=" (assoc-ref %outputs "out") "/lib/cups/backend") ; TODO merge
+                                     ,(string-append "--with-icondir=" (assoc-ref %outputs "out") "/share/applications") ; TODO merge
+                                     ,(string-append "--with-systraydir=" (assoc-ref %outputs "out") "/etc/xdg")) ; TODO merge
+                 ; #:make-flags (list (string-append "DESTDIR=" (assoc-ref %outputs "out")))
+                 #:phases (alist-cons-after
+                           'fix-libusb 'autoreconf
+                           (lambda _
+                             (setenv "AUTOMAKE" "automake --foreign")
+                             (zero? (system* "autoreconf" "-fi")))
+                           (alist-cons-after 'unpack 'fix-libusb
+                            (lambda* (#:key inputs outputs #:allow-other-keys)
+                             (substitute* "Makefile.am" (("/usr/include/libusb-1.0") (string-append (assoc-ref inputs "libusb") "/include/libusb-1.0"))
+                                                        (("hplip_statedir[ ]*=[ ]*/var/lib/hp") (string-append "hplip_statedir = " (assoc-ref outputs "out") "/var/lib/hp")) ; only for the installer.
+                                                        (("hplip_confdir[ ]*=[ ]*/etc/hp") (string-append "hplip_confdir = " (assoc-ref outputs "out") "/etc/hp")) ; only for installing the default config
+                                                        (("halpredir[ ]*=[ ]*/usr/share/hal/fdi/preprobe/10osvendor") (string-append "halpredir = " (assoc-ref outputs "out") "/share/hal/fdi/preprobe/10osvendor")) ; I don't think we use hal, so who cares?
+                                                        (("rulesdir[ ]*=[ ]*/etc/udev/rules.d") (string-append "rulesdir = " (assoc-ref outputs "out") "/lib/udev/rules.d")) ; will be merged by base service
+                                                        (("rulessystemdir=/usr/lib/systemd/system") (string-append "rulessystemdir = " (assoc-ref outputs "out") "/lib/systemd/system")) ; dummy
+                                                        (("/etc/sane.d") (string-append (assoc-ref outputs "out") "/etc/sane.d"))))
+                            %standard-phases))))
+    (inputs `(("libjpeg" ,libjpeg)
+              ("cups-minimal" ,cups-minimal)
+              ("libusb" ,libusb)
+              ("python" ,python) ; FIXME propagated-inputs ??
+              ("sane-backends" ,sane-backends)
+              ("dbus" ,dbus)))
+    (native-inputs `(("pkg-config" ,pkg-config)
+                     ("automake" ,automake)
+                     ("autoconf" ,autoconf)
+                     ("libtool" ,libtool)
+                     ("python" ,python) ; patch-shebang warning
+))))