libpcap: add optional netfilter support

[openwrt/staging/yousong.git] / include / rootfs.mk

diff --git a/include/rootfs.mk b/include/rootfs.mk
index 90d70a11f2e775c83b9907ec1f296c0e4d535ad6..c014b1d14ab0963687417809431abc0bf314830c 100644 (file)
--- a/include/rootfs.mk
+++ b/include/rootfs.mk
@@ -47,6 +47,14 @@ opkg = \
 
 TARGET_DIR_ORIG := $(TARGET_ROOTFS_DIR)/root.orig-$(BOARD)
 
+ifdef CONFIG_CLEAN_IPKG
+  define clean_ipkg
+       -find $(1)/usr/lib/opkg -type f -and -not -name '*.control' | $(XARGS) rm -rf
+       -sed -i -ne '/^Require-User: /p' $(1)/usr/lib/opkg/info/*.control
+       -find $(1)/usr/lib/opkg -empty | $(XARGS) rm -rf
+  endef
+endif
+
 define prepare_rootfs
        @if [ -d $(TOPDIR)/files ]; then \
                $(call file_copy,$(TOPDIR)/files/.,$(1)); \
@@ -75,6 +83,6 @@ define prepare_rootfs
        rm -f $(1)/usr/lib/opkg/lists/*
        rm -f $(1)/usr/lib/opkg/info/*.postinst*
        rm -f $(1)/usr/lib/opkg/info/*.prerm*
-       $(if $(CONFIG_CLEAN_IPKG),rm -rf $(1)/usr/lib/opkg)
+       $(call clean_ipkg,$(1))
        $(call mklibs,$(1))
 endef