BUILD_DIR_HOST:=$(if $(IS_PACKAGE_BUILD),$(BUILD_DIR)/host,$(BUILD_DIR_BASE)/host)
STAGING_DIR_HOST:=$(TOPDIR)/staging_dir/host
+STAGING_DIR_HOSTPKG:=$(STAGING_DIR)/host
TARGET_PATH:=$(subst $(space),:,$(filter-out .,$(filter-out ./,$(subst :,$(space),$(PATH)))))
TARGET_INIT_PATH:=$(call qstrip,$(CONFIG_TARGET_INIT_PATH))
$(CP) $(1) $(2)
endef
+# Calculate sha256sum of any plain file within a given directory
+# $(1) => Input directory
+define sha256sums
+ (cd $(1); find . -maxdepth 1 -type f -not -name 'sha256sums' -printf "%P\n" | sort | \
+ xargs openssl dgst -sha256 | sed -ne 's!^SHA256(\(.*\))= \(.*\)$$!\2 *\1!p' > sha256sums)
+endef
+
# file extension
ext=$(word $(words $(subst ., ,$(1))),$(subst ., ,$(1)))