fix initramfs images

[openwrt/svn-archive/archive.git] / rules.mk

diff --git a/rules.mk b/rules.mk
index 5c66dfde1a14942f3b220608c3a899f3db9605ba..4a0fa32e3554b124a5d687825220224df8558dc0 100644 (file)
--- a/rules.mk
+++ b/rules.mk
@@ -138,6 +138,10 @@ $(call shvar,$(1))=$$(call $(1))
 export $(call shvar,$(1))
 endef
 
+define confvar
+$(foreach v,$(1),$(if $($(v)),y,n))
+endef
+
 # file extension
 ext=$(word $(words $(subst ., ,$(1))),$(subst ., ,$(1)))