wic: add WKS_FILE_DEPENDS variable

This variable should be used to specify dependencies that
will be added to DEPENDS only if wic image build is 'active'
i.e. when 'wic' is in IMAGE_FSTYPES.

(From OE-Core rev: 243ccd6b8b389231f6c4a8e251c2bd6b2cf6eaad)

Signed-off-by: Ed Bartosh <ed.bartosh@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 2 insertions, 0 deletions

diff --git a/meta/classes/image_types_wic.bbclass b/meta/classes/image_types_wic.bbclass
index d012a5d5ca..500c8c5653 100644
--- a/meta/classes/image_types_wic.bbclass
+++ b/meta/classes/image_types_wic.bbclass
@@ -40,6 +40,8 @@ USING_WIC = "${@bb.utils.contains_any('IMAGE_FSTYPES', 'wic ' + ' '.join('wic.%s
 WKS_FILE_CHECKSUM = "${@'${WKS_FULL_PATH}:%s' % os.path.exists('${WKS_FULL_PATH}') if '${USING_WIC}' else ''}"
 do_image_wic[file-checksums] += "${WKS_FILE_CHECKSUM}"
 do_image_wic[depends] += "wic-tools:do_build"
+WKS_FILE_DEPENDS ??= ''
+DEPENDS += "${@ '${WKS_FILE_DEPENDS}' if d.getVar('USING_WIC') else '' }"
 
 python do_write_wks_template () {
     """Write out expanded template contents to WKS_FULL_PATH."""