image.bbclass: make kernel depmod data optional

This allows an image to skip the creation of kernel depmod
data. It is useful for creating an image that will run as a
container image inside a host with no knowledge of the parent's
kernel.

(From OE-Core rev: ca641aedff5f6bd155796ead02cb2eb871f8c17a)

Signed-off-by: Dan McGregor <dan.mcgregor@usask.ca>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

2 files changed, 3 insertions, 1 deletions

diff --git a/meta/classes/image.bbclass b/meta/classes/image.bbclass
index f09bfeea27..b2a3e97820 100644
--- a/meta/classes/image.bbclass
+++ b/meta/classes/image.bbclass
@@ -66,6 +66,7 @@ PACKAGE_INSTALL_ATTEMPTONLY ?= "${FEATURE_INSTALL_OPTIONAL}"
 EXCLUDE_FROM_WORLD = "1"
 
 USE_DEVFS ?= "1"
+USE_DEPMOD ?= "1"
 
 PID = "${@os.getpid()}"
 
diff --git a/meta/lib/oe/rootfs.py b/meta/lib/oe/rootfs.py
index 19aef2a1de..f42a2ae7b3 100644
--- a/meta/lib/oe/rootfs.py
+++ b/meta/lib/oe/rootfs.py
@@ -124,7 +124,8 @@ class Rootfs(object):
 
         self._run_ldconfig()
 
-        self._generate_kernel_module_deps()
+        if self.d.getVar('USE_DEPMOD', True) != "0":
+            self._generate_kernel_module_deps()
 
         self._cleanup()