+ifdef CONFIG_CLEAN_IPKG
+ define clean_ipkg
+ -find $(1)/usr/lib/opkg/info -type f -and -not -name '*.control' | $(XARGS) rm -rf
+ -sed -i -ne '/^Require-User: /p' $(1)/usr/lib/opkg/info/*.control
+ awk ' \
+ BEGIN { conffiles = 0; print "Conffiles:" } \
+ /^Conffiles:/ { conffiles = 1; next } \
+ !/^ / { conffiles = 0; next } \
+ conffiles == 1 { print } \
+ ' $(1)/usr/lib/opkg/status >$(1)/usr/lib/opkg/status.new
+ mv $(1)/usr/lib/opkg/status.new $(1)/usr/lib/opkg/status
+ -find $(1)/usr/lib/opkg -empty | $(XARGS) rm -rf
+ endef
+endif
+