1 files changed, 16 insertions, 0 deletions

diff --git a/meta/classes/kernel-yocto.bbclass b/meta/classes/kernel-yocto.bbclass
index cb7614d64a..092afe251d 100644
--- a/meta/classes/kernel-yocto.bbclass
+++ b/meta/classes/kernel-yocto.bbclass
@@ -86,6 +86,21 @@ def get_machine_branch(d, default):
             
     return default
 
+# returns a list of all directories that are on FILESEXTRAPATHS (and
+# hence available to the build) that contain .scc or .cfg files
+def get_dirs_with_fragments(d):
+    extrapaths = []
+    extrafiles = []
+    extrapathsvalue = (d.getVar("FILESEXTRAPATHS") or "")
+    # Remove default flag which was used for checking
+    extrapathsvalue = extrapathsvalue.replace("__default:", "")
+    extrapaths = extrapathsvalue.split(":")
+    for path in extrapaths:
+        if path + ":True" not in extrafiles:
+            extrafiles.append(path + ":" + str(os.path.exists(path)))
+
+    return " ".join(extrafiles)
+
 do_kernel_metadata() {
         set +e
 
@@ -368,6 +383,7 @@ do_kernel_checkout[dirs] = "${S}"
 addtask kernel_checkout before do_kernel_metadata after do_symlink_kernsrc
 addtask kernel_metadata after do_validate_branches do_unpack before do_patch
 do_kernel_metadata[depends] = "kern-tools-native:do_populate_sysroot"
+do_kernel_metadata[file-checksums] = " ${@get_dirs_with_fragments(d)}"
 do_validate_branches[depends] = "kern-tools-native:do_populate_sysroot"
 
 do_kernel_configme[depends] += "virtual/${TARGET_PREFIX}binutils:do_populate_sysroot"