kernel-yocto: Add do_diffconfig task

Instead of using 'diff' command between two kernel config files,
the task diffconfig does the job creating the file
$WORKDIR/fragment.cfg that user should review and use.

[YOCTO #3862]

Signed-off-by: João Henrique Ferreira de Freitas <joaohf@gmail.com>
Signed-off-by: Saul Wold <sgw@linux.intel.com>

diff --git a/meta/classes/kernel-yocto.bbclass b/meta/classes/kernel-yocto.bbclass
index 8f799324384c81a34b115ce87fbe128beac1ba91..fab5d4c57055f41155d75f6b7cb34e0a20173749 100644 (file)
--- a/meta/classes/kernel-yocto.bbclass
+++ b/meta/classes/kernel-yocto.bbclass
@@ -411,3 +411,5 @@ do_kernel_link_vmlinux() {
 OE_TERMINAL_EXPORTS += "GUILT_BASE KBUILD_OUTPUT"
 GUILT_BASE = "meta"
 KBUILD_OUTPUT = "${B}"
+
+do_diffconfig[depends] += "virtual/kernel:do_kernel_configme"