image: add support for overriding kernel/rootfs images in sysupgrade-tar template

Signed-off-by: Felix Fietkau <nbd@nbd.name>
2016-07-30 13:47:36 +02:00
parent 77b16bacb1
commit 84718d8736
2 changed files with 3 additions and 2 deletions
--- a/include/image.mk
+++ b/include/image.mk
@@ -29,6 +29,7 @@ override NO_TRACE_MAKE:=$(_SINGLE)$(NO_TRACE_MAKE)

 target_params = $(subst +,$(space),$*)
 param_get = $(patsubst $(1)=%,%,$(filter $(1)=%,$(2)))
+param_get_default = $(firstword $(call param_get,$(1),$(2)) $(3))
 param_mangle = $(subst $(space),_,$(strip $(1)))
 param_unmangle = $(subst _,$(space),$(1))