[PATCH 2/2] gnu: hplip: Add policykit support.

[ng0 <ng0@libertad.pw>]

* gnu/packages/cups.scm (hplip): Add policykit support.
[arguments](configure-flags): Add "--enable-dbus-build", "--enable-policykit".
[arguments](make-flags): Add "policykit_dbus_etcdir", "policykit_dir",
"policykit_dbus_sharedir".
(inputs): Add "polkit".
---
 gnu/packages/cups.scm | 20 ++++++++++++++++++--
 1 file changed, 18 insertions(+), 2 deletions(-)

diff --git a/gnu/packages/cups.scm b/gnu/packages/cups.scm
index d264d6b12..ae975504b 100644
--- a/gnu/packages/cups.scm
+++ b/gnu/packages/cups.scm
@@ -40,6 +40,7 @@
   #:use-module (gnu packages pdf)
   #:use-module (gnu packages pkg-config)
   #:use-module (gnu packages tls)
+  #:use-module (gnu packages polkit)
   #:use-module (gnu packages qt))
 
 ;; Delay to avoid module circularity problems.
@@ -351,8 +352,9 @@ device-specific programs to convert and print many types of files.")
          "--enable-gui-build"
          "--disable-qt4"
          "--enable-qt5"
+         "--enable-dbus-build"
+         "--enable-policykit"
          ;; 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="
@@ -362,6 +364,19 @@ device-specific programs to convert and print many types of files.")
          ,(string-append "--with-systraydir="
                          (assoc-ref %outputs "out") "/etc/xdg"))
 
+       #:make-flags
+       ;; Already set in 'fix-hard-coded-file-names phase:
+       ;; "rulesdir" and "halpredir".
+       `(,(string-append "policykit_dbus_etcdir="
+                         (assoc-ref %outputs "out")
+                         "/etc/dbus-1/system.d")
+         ,(string-append "policykit_dir="
+                         (assoc-ref %outputs "out")
+                         "/share/polkit-1/actions")
+         ,(string-append "policykit_dbus_sharedir="
+                         (assoc-ref %outputs "out")
+                         "/share/dbus-1/system-services"))
+
        #:imported-modules ((guix build python-build-system)
                            ,@%gnu-build-system-modules)
        #:modules ((guix build gnu-build-system)
@@ -429,5 +444,6 @@ device-specific programs to convert and print many types of files.")
               ("python-pygobject" ,python-pygobject)
               ("python-sip" ,python-sip)
               ;; TODO: Make hp-setup find python-dbus.
-              ("python-dbus" ,python-dbus)))
+              ("python-dbus" ,python-dbus)
+              ("polkit" ,polkit)))
     (native-inputs `(("pkg-config" ,pkg-config)))))
-- 
2.11.0