+STAGING_SUBDIR_HOST := staging_dir/host
+STAGING_SUBDIR_TARGET := staging_dir/$(TARGET_DIR_NAME)
+STAGING_SUBDIR_TOOLCHAIN := staging_dir/toolchain-$(ARCH)$(ARCH_SUFFIX)_gcc-$(GCCV)_$(LIBC)-$(LIBCV)$(if $(CONFIG_arm),_eabi)
+
+EXCLUDE_DIRS:=*/ccache/* \
+ */stamp \
+ */stampfiles \
+ */man \
+ */info \
+ */root-* \
+ initial \
+ *.install.clean \
+ *.install.flags \
+ *.install \
+ */doc \
+ */share/locale
+
+SDK_DIRS = \
+ $(STAGING_SUBDIR_HOST) \
+ $(STAGING_SUBDIR_TOOLCHAIN)
+
+GIT_URL:=$(filter git://% http://% https://%,$(shell git config --get remote.origin.url 2>/dev/null))
+GIT_COMMIT:=$(shell git rev-parse HEAD 2>/dev/null)
+GIT_BRANCH:=$(filter-out master HEAD,$(shell git rev-parse --abbrev-ref HEAD 2>/dev/null))
+GIT_TAGNAME:=$(shell git show-ref --tags --dereference 2>/dev/null | sed -ne '/^$(GIT_COMMIT) / { s|^.*/||; s|\^.*||; p }')
+
+BASE_FEED:=$(if $(GIT_URL),src-git base $(GIT_URL)$(if $(GIT_BRANCH),;$(GIT_BRANCH),$(if $(GIT_TAGNAME),;$(GIT_TAGNAME))))
+BASE_FEED:=$(if $(BASE_FEED),$(BASE_FEED),$(shell cd $(TOPDIR); LC_ALL=C git svn info 2>/dev/null | sed -ne 's/^URL: /src-gitsvn base /p'))
+BASE_FEED:=$(if $(BASE_FEED),$(BASE_FEED),$(shell cd $(TOPDIR); LC_ALL=C svn info 2>/dev/null | sed -ne 's/^URL: /src-svn base /p'))
+BASE_FEED:=$(if $(BASE_FEED),$(BASE_FEED),src-git base https://git.lede-project.org/source.git$(if $(GIT_BRANCH),;$(GIT_BRANCH),$(if $(GIT_TAGNAME),;$(GIT_TAGNAME))))
+
+KDIR_BASE = $(patsubst $(TOPDIR)/%,%,$(LINUX_DIR))
+
+KERNEL_FILES_ARCH = \
+ Makefile* \
+ module.lds \
+ Kbuild.platforms \
+ */Platform \
+ include \
+ */include \
+ scripts \
+ kernel/asm-offsets.s
+
+KERNEL_FILES_BASE := \
+ .config \
+ Makefile \
+ scripts \
+ include \
+ Module.symvers \
+ modules.builtin \
+ $(addprefix arch/$(LINUX_KARCH)/,$(KERNEL_FILES_ARCH))
+
+KERNEL_FILES := $(patsubst $(TOPDIR)/%,%,$(wildcard $(addprefix $(LINUX_DIR)/,$(KERNEL_FILES_BASE))))