Index: sysutils/consolekit2/Makefile
===================================================================
--- sysutils/consolekit2/Makefile
+++ sysutils/consolekit2/Makefile
@@ -15,10 +15,13 @@
 LICENSE_FILE=	${WRKSRC}/COPYING
 
 LIB_DEPENDS=	libdbus-1.so:devel/dbus \
-		libpolkit-gobject-1.so:sysutils/polkit
+		libpolkit-gobject-1.so:sysutils/polkit \
+		libdrm.so:graphics/libdrm \
+		libevdev.so:devel/libevdev \
+		libudev.so:devel/libudev-devd
 
 WRKSRC=		${WRKDIR}/ConsoleKit2-${PORTVERSION}
-USES=		gettext gmake libtool localbase pathfix pkgconfig tar:bzip2
+USES=		gettext gnome gmake libtool localbase pathfix pkgconfig tar:bzip2
 USE_CSTD=	gnu99
 USE_XORG=	x11
 USE_GNOME=	glib20 libxslt introspection:build
@@ -30,12 +33,12 @@
 		--localstatedir=/var \
 		--enable-polkit \
 		--enable-introspection \
+		--enable-libdrm \
+		--enable-libevdev \
+		--enable-libudev \
 		--without-html-dir \
 		--disable-udev-acl \
 		--disable-libcgmanager \
-		--disable-libdrm \
-		--disable-libevdev \
-		--disable-libudev \
 		--without-systemdsystemunitdir
 INSTALL_TARGET=	install-strip
 
Index: sysutils/consolekit2/files/patch-src_ck-device-udev.c
===================================================================
--- /dev/null
+++ sysutils/consolekit2/files/patch-src_ck-device-udev.c
@@ -0,0 +1,30 @@
+How CK sees our drm devices:
+major 1 minor 104 subsystem # sysname 0 devnode /dev/drm/0 active ? TRUE
+
+(seems like symlinks get resolved)
+
+--- src/ck-device-udev.c.orig	2017-06-02 01:31:44 UTC
++++ src/ck-device-udev.c
+@@ -391,13 +391,16 @@ ck_device_new (guint    major,
+         /* Start with other device as a default, we have special things
+          * we do with DRM and EVDEV devices so find and tag them */
+         device->category = DEVICE_OTHER;
+-        if (g_strcmp0 (subsystem, "drm") == 0)
++        if ((g_strcmp0 (subsystem, "drm") == 0 && g_str_has_prefix (sysname, "card"))
++#ifndef __linux__
++                        /* on BSD, the dri/card0 -> drm/0 symlink gets resolved,
++                         * and subsystem is not emulated by libudev-devd */
++                        || strstr (device->devnode, "drm") != NULL
++#endif
++           )
+         {
+-                if (g_str_has_prefix (sysname, "card"))
+-                {
+-                        g_debug ("DEVICE_DRM");
+-                        device->category = DEVICE_DRM;
+-                }
++                g_debug ("DEVICE_DRM");
++                device->category = DEVICE_DRM;
+         }
+         else if (g_strcmp0 (subsystem, "input") == 0)
+         {
Index: sysutils/consolekit2/files/patch-src_ck-session.c
===================================================================
--- /dev/null
+++ sysutils/consolekit2/files/patch-src_ck-session.c
@@ -0,0 +1,18 @@
+--- src/ck-session.c.orig	2019-01-05 14:24:34 UTC
++++ src/ck-session.c
+@@ -1701,6 +1701,15 @@ ck_session_get_device (CkSession *session,
+         for (iter = session->priv->devices; iter != NULL; iter = g_list_next (iter)) {
+                 if (ck_device_compare (iter->data, major, minor)) {
+                         g_debug ("found device");
++                        CkDevice *device = CK_DEVICE (iter->data);
++                        if (ck_device_get_category(device) == DEVICE_EVDEV) {
++                                struct stat st;
++                                if (fstat(ck_device_get_fd(device), &st) == -1 && errno == EBADF) {
++                                        g_debug ("but it was a dead input device, removing");
++                                        session->priv->devices = g_list_remove (session->priv->devices, device);
++                                        return NULL;
++                                }
++                        }
+                         return iter->data;
+                 }
+         }