[OE-core] [RFC PATCH 2/6] eudev: check for required kernel config options

[Paul Eggleton]

Use the list in the udev 220 README (since that is apparently what this
is equivalent to; unfortunately eudev doesn't provide the same document)
to set required Linux kernel config options, with the exception of
CONFIG_HOTPLUG which is always on for 3.11 and later kernels.

Fixes [YOCTO #5574].

Signed-off-by: Paul Eggleton <paul.eggleton at linux.intel.com>
---
 meta/recipes-core/udev/eudev_3.1.5.bb | 22 +++++++++++++++++++++-
 1 file changed, 21 insertions(+), 1 deletion(-)

diff --git a/meta/recipes-core/udev/eudev_3.1.5.bb b/meta/recipes-core/udev/eudev_3.1.5.bb
index e42630f..41d72f6 100644
--- a/meta/recipes-core/udev/eudev_3.1.5.bb
+++ b/meta/recipes-core/udev/eudev_3.1.5.bb
@@ -23,7 +23,27 @@ UPSTREAM_CHECK_URI = "https://github.com/gentoo/eudev/releases"
 SRC_URI[md5sum] = "e130f892d8744e292cb855db79935f68"
 SRC_URI[sha256sum] = "ce9d5fa91e3a42c7eb95512ca0fa2a631e89833053066bb6cdf42046b2a88553"
 
-inherit autotools update-rc.d qemu
+inherit autotools update-rc.d qemu kernel-check
+
+# All the required options from the udev README
+# (except for CONFIG_HOTPLUG which is always on in
+# 3.11 and later kernels.)
+REQUIRED_KERNEL_OPTIONS = "\
+                           CONFIG_DEVTMPFS \
+                           CONFIG_CGROUPS \
+                           CONFIG_INOTIFY_USER \
+                           CONFIG_SIGNALFD \
+                           CONFIG_TIMERFD \
+                           CONFIG_EPOLL \
+                           CONFIG_NET \
+                           CONFIG_SYSFS \
+                           CONFIG_SYSFS_DEPRECATED=n \
+                           CONFIG_SYSFS_DEPRECATED_V2=n \
+                           CONFIG_PROC_FS \
+                           CONFIG_FHANDLE \
+                           CONFIG_UEVENT_HELPER_PATH='' \
+                           CONFIG_FW_LOADER_USER_HELPER=n \
+                           "
 
 EXTRA_OECONF = " \
     --sbindir=${base_sbindir} \
-- 
2.5.5