out-of-tree build: fix appliance

diff --git a/appliance/Makefile.am b/appliance/Makefile.am
index 503160e..bec2b48 100644 (file)
--- a/appliance/Makefile.am
+++ b/appliance/Makefile.am
@@ -69,6 +69,7 @@ supermin.d/daemon.img: ../daemon/guestfsd
        mv $@-t $@
 
 supermin.d/init.img: init
+       cmp -s $(srcdir)/init $(builddir)/init || cp $(srcdir)/init $(builddir)/init
        mkdir -p supermin.d
        rm -f $@ $@-t
        echo "init" | cpio --quiet -o -H newc > $@-t