image_types.bbclass: add intermediate var for WKS_FILE_CHECKSUM

This is a bit nicer to work with, and easier to override.

Signed-off-by: Christopher Larson <chris_larson@mentor.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>

diff --git a/meta/classes/image_types.bbclass b/meta/classes/image_types.bbclass
index 72e8ed34d5af31b0b2fac5bc50459197209a2073..f7de756b71b39a4fb6b29ebc070f7d39d06cfb14 100644 (file)
--- a/meta/classes/image_types.bbclass
+++ b/meta/classes/image_types.bbclass
@@ -215,7 +215,8 @@ IMAGE_CMD_wic[vardepsexclude] = "WKS_FULL_PATH WKS_FILES"
 
 # Rebuild when the wks file or vars in WICVARS change
 USING_WIC = "${@bb.utils.contains_any('IMAGE_FSTYPES', 'wic ' + ' '.join('wic.%s' % c for c in '${COMPRESSIONTYPES}'.split()), '1', '', d)}"
-do_image_wic[file-checksums] += "${@'${WKS_FULL_PATH}:%s' % os.path.exists('${WKS_FULL_PATH}') if '${USING_WIC}' else ''}"
+WKS_FILE_CHECKSUM = "${@'${WKS_FULL_PATH}:%s' % os.path.exists('${WKS_FULL_PATH}') if '${USING_WIC}' else ''}"
+do_image_wic[file-checksums] += "${WKS_FILE_CHECKSUM}"
 
 EXTRA_IMAGECMD = ""