make gudev dep optional

Debian has arches w/o udev (hurd-*, kfreebsd-*). These cannot build
indicator-session currently because libgudev-1.0-dev is missing there.
Make the gudev dep optional and thus make indicator-session buildable on
non-Linux arches again.

3 files changed, 24 insertions, 5 deletions

diff --git a/configure.ac b/configure.ac
index 8d02d69..0c2a9f8 100644
--- a/configure.ac
+++ b/configure.ac
@@ -61,7 +61,6 @@ AS_IF([test "x$with_gtk" = x3],
     [PKG_CHECK_MODULES(SESSIONSERVICE, dbusmenu-glib-0.4 >= $DBUSMENUGLIB_REQUIRED_VERSION
                                        dbusmenu-gtk3-0.4 >= $DBUSMENUGTK_REQUIRED_VERSION
                                        dbus-glib-1
-                                       gudev-1.0                                       
                                        gio-unix-2.0
                                        indicator3-0.4 >= $INDICATOR_REQUIRED_VERSION
                                        packagekit-glib2)
@@ -69,7 +68,6 @@ AS_IF([test "x$with_gtk" = x3],
     [test "x$with_gtk" = x2],
     [PKG_CHECK_MODULES(SESSIONSERVICE, dbusmenu-glib-0.4 >= $DBUSMENUGLIB_REQUIRED_VERSION
                                        dbusmenu-gtk-0.4 >= $DBUSMENUGTK_REQUIRED_VERSION
-                                       gudev-1.0                                       
                                        dbus-glib-1
                                        gio-unix-2.0
                                        indicator-0.4 >= $INDICATOR_REQUIRED_VERSION
@@ -80,6 +78,10 @@ AS_IF([test "x$with_gtk" = x3],
 AC_SUBST(SESSIONERVICE_CFLAGS)
 AC_SUBST(SESSIONERVICE_LIBS)
 
+PKG_CHECK_MODULES(GUDEV, gudev-1.0, has_gudev=true, has_gudev=false)
+AC_SUBST(GUDEV_CFLAGS)
+AC_SUBST(GUDEV_LIBS)
+
 AM_CONDITIONAL([USE_GTK3], [test "x$with_gtk" = "x3"])
 AS_IF([test "x$with_gtk" = x3], [
        AC_DEFINE(HAVE_GTK3, 1, [whether gtk3 is available])
@@ -199,7 +201,9 @@ AM_GLIB_GNU_GETTEXT
 # Files
 ###########################
 
-AC_OUTPUT([
+AM_CONDITIONAL([HAS_GUDEV], [test "x$has_gudev" = "xtrue"])
+
+AC_CONFIG_FILES([
 Makefile
 src/Makefile
 data/Makefile
@@ -223,6 +227,8 @@ data/extra-sessions/Makefile
 po/Makefile.in
 ])
 
+AC_OUTPUT
+
 ###########################
 # Results
 ###########################
diff --git a/src/Makefile.am b/src/Makefile.am
index 67a1cb6..04801b5 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -107,8 +107,6 @@ indicator_session_service_SOURCES = \
 	user-menu-mgr.c \
 	device-menu-mgr.h \
 	device-menu-mgr.c \
-	udev-mgr.h \
-	udev-mgr.c \
 	sane-rules.h
 
 if BUILD_APT
@@ -117,6 +115,12 @@ indicator_session_service_SOURCES += \
 	apt-watcher.c 
 endif
 
+if HAS_GUDEV
+indicator_session_service_SOURCES += \
+	udev-mgr.h \
+	udev-mgr.c
+endif
+
 indicator_session_service_CFLAGS = \
 	$(SESSIONSERVICE_CFLAGS) \
 	$(GCONF_CFLAGS) \
@@ -127,6 +131,13 @@ indicator_session_service_LDADD = \
 	$(SESSIONSERVICE_LIBS) \
 	$(GCONF_LIBS)
 
+if HAS_GUDEV
+indicator_session_service_CFLAGS += \
+	$(GUDEV_CFLAGS)
+indicator_session_service_LDADD += \
+	$(GUDEV_LIBS)
+endif
+
 #################
 # GTK Logout Stuff
 #################
diff --git a/src/device-menu-mgr.c b/src/device-menu-mgr.c
index f8f0696..8e0713e 100644
--- a/src/device-menu-mgr.c
+++ b/src/device-menu-mgr.c
@@ -733,8 +733,10 @@ device_menu_mgr_build_static_items (DeviceMenuMgr* self, gboolean greeter_mode)
 	restart_shutdown_logout_mi->shutdown_mi = shutdown_mi;
 
 	update_menu_entries(restart_shutdown_logout_mi);
+#ifdef HAS_GUDEV
   // Time to create the udev mgr and hand it the static relevant items.
   self->udev_mgr = udev_mgr_new (scanners_menuitem, webcam_menuitem);   
+#endif
 }
 
 static void