A few makefile/autoconf fixes

Makefile

@@ -71,7 +71,7 @@ install : $(libs) compositor subdirs-install
 	install 70-wayland.rules ${udev_rules_dir}
 
 clean : subdirs-clean
-	rm -f compositor scanner *.o *.so
+	rm -f compositor scanner *.o *.so .*.deps
 	rm -f wayland-protocol.c \
 		wayland-server-protocol.h wayland-client-protocol.h
 

clients/Makefile

@@ -9,7 +9,7 @@ cairo_clients = flower screenshot terminal image view dnd
 all : $(egl_clients) $(cairo_clients)
 
 clean :
-	rm -f $(egl_clients) $(cairo_clients) *.o
+	rm -f $(egl_clients) $(cairo_clients) *.o .*.deps
 
 flower : flower.o window.o wayland-glib.o cairo-util.o
 gears : gears.o window.o wayland-glib.o cairo-util.o

config.mk.in

@@ -7,6 +7,7 @@ udev_rules_dir = @sysconfdir@/udev/rules.d
 libdir = @libdir@
 includedir = @includedir@
 datadir = @datadir@
+datarootdir = @datarootdir@
 
 COMPOSITOR_CFLAGS = @COMPOSITOR_CFLAGS@
 COMPOSITOR_LIBS = @COMPOSITOR_LIBS@