classes: create-spdx: Fix variable dependencies

A few variable dependencies were incorrect from the SPDX tasks, which
prevented rebuilds from occurring, or caused them to occur when they
should not.

(From OE-Core rev: 38a5dd136b3a3713e63d23598011efe1c4b0f459)

Signed-off-by: Joshua Watt <JPEWhacker@gmail.com>
Signed-off-by: Mathieu Dubois-Briand <mathieu.dubois-briand@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 3 insertions, 0 deletions

diff --git a/meta/classes-recipe/create-spdx-image-3.0.bbclass b/meta/classes-recipe/create-spdx-image-3.0.bbclass
index 5144616285..e0f1766bb7 100644
--- a/meta/classes-recipe/create-spdx-image-3.0.bbclass
+++ b/meta/classes-recipe/create-spdx-image-3.0.bbclass
@@ -55,6 +55,9 @@ do_create_image_spdx[sstate-outputdirs] = "${DEPLOY_DIR_SPDX}"
 do_create_image_spdx[cleandirs] = "${SPDXIMAGEWORK}"
 do_create_image_spdx[dirs] = "${SPDXIMAGEWORK}"
 do_create_image_spdx[file-checksums] += "${SPDX3_LIB_DEP_FILES}"
+do_create_image_spdx[vardeps] += "\
+    SPDX_IMAGE_PURPOSE \
+    "
 
 python do_create_image_spdx_setscene() {
     sstate_setscene(d)