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kernel.bbclass: Fix empty modules directory QA issue 

If a kernel is built without any external modules (aka no CONFIG_*=m),
then during a modules_install of the kernel an empty directory is
created at /lib/modules/${KERNEL_VERIONS}/kernel. This is behaviour of
the kernel infrastructure, the directory would normally be populated
with the modules that were built.

However because of the expectations of kernel-modules-split, no packages
are created when there are no modules and an empty directory lingers.
This raises QA issues as warning or errors (depending on the distro).

The following patch changes the kernel_do_install task to check if the
directory is empty and if so removes it.

(From OE-Core rev: 63d3070b7e1207164891b154a5b9017731e75872)

Signed-off-by: Nathan Rossi <nathan.rossi@xilinx.com>
Signed-off-by: Saul Wold <sgw@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Nathan Rossi 2014-01-14 11:21:00 +10:00 committed by Richard Purdie
parent 4a8ddd8379
commit 0031db1aca
1 changed files with 2 additions and 0 deletions
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meta/classes/kernel.bbclass
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@ -188,6 +188,8 @@ kernel_do_install() {
oe_runmake DEPMOD=echo INSTALL_MOD_PATH="${D}" modules_install
rm "${D}/lib/modules/${KERNEL_VERSION}/build"
rm "${D}/lib/modules/${KERNEL_VERSION}/source"
# If the kernel/ directory is empty remove it to prevent QA issues
rmdir --ignore-fail-on-non-empty "${D}/lib/modules/${KERNEL_VERSION}/kernel"
else
bbnote "no modules to install"
fi