X-Git-Url: http://git.openwrt.org/?p=openwrt%2Fopenwrt.git;a=blobdiff_plain;f=rules.mk;h=ed796a54024adc4d4cbcb13d46a03bf6e0c1c8f5;hp=a3fe50b1dc0dfb4d1586ceb5bbf85a3fd36f5ebf;hb=e4a69bda612496160b21902ffade868c12ad9fb6;hpb=202ae4cc6a910dec2441c45dfdf5814ac4d82518

diff --git a/rules.mk b/rules.mk
index a3fe50b1dc..ed796a5402 100644
--- a/rules.mk
+++ b/rules.mk
@@ -29,7 +29,7 @@ empty:=
 space:= $(empty) $(empty)
 comma:=,
 merge=$(subst $(space),,$(1))
-confvar=$(call merge,$(foreach v,$(1),$(if $($(v)),y,n)))
+confvar=$(shell echo '$(foreach v,$(1),$(v)=$(subst ','\'',$($(v))))' | $(STAGING_DIR_HOST)/bin/mkhash md5)
 strip_last=$(patsubst %.$(lastword $(subst .,$(space),$(1))),%,$(1))
 
 paren_left = (