On Mon, Aug 6, 2012 at 6:14 PM, Darren Hart <[email protected]> wrote:
> On 08/05/2012 12:48 PM, Javier Martinez Canillas wrote:
>
> Hi Javier,
>
>> It is considered good practice to use the build system provided
>> variables instead of directly specify hardcoded paths.
>
> Have you tested this with a build using a base_libdir other than /lib ?
>
>> Signed-off-by: Javier Martinez Canillas <[email protected]>
>> ---
>> meta/classes/kernel.bbclass | 12 ++++++------
>> 1 files changed, 6 insertions(+), 6 deletions(-)
>>
>> diff --git a/meta/classes/kernel.bbclass b/meta/classes/kernel.bbclass
>> index 1d8dff9..b434093 100644
>> --- a/meta/classes/kernel.bbclass
>> +++ b/meta/classes/kernel.bbclass
>> @@ -109,10 +109,10 @@ kernel_do_install() {
>> unset CFLAGS CPPFLAGS CXXFLAGS LDFLAGS MACHINE
>> if (grep -q -i -e '^CONFIG_MODULES=y$' .config); then
>> oe_runmake DEPMOD=echo INSTALL_MOD_PATH="${D}" modules_install
>
> The install doesn't specify base_libdir, so does the kernel make system
> honor it?
>
>> - rm -f "${D}/lib/modules/${KERNEL_VERSION}/modules.order"
>> - rm -f "${D}/lib/modules/${KERNEL_VERSION}/modules.builtin"
>> - rm "${D}/lib/modules/${KERNEL_VERSION}/build"
>> - rm "${D}/lib/modules/${KERNEL_VERSION}/source"
>> + rm -f
>> "${D}${base_libdir}/modules/${KERNEL_VERSION}/modules.order"
>> + rm -f
>> "${D}${base_libdir}/modules/${KERNEL_VERSION}/modules.builtin"
>> + rm "${D}${base_libdir}/modules/${KERNEL_VERSION}/build"
>> + rm "${D}${base_libdir}/modules/${KERNEL_VERSION}/source"
>
> if not, these will fail.
>
> --
> Darren Hart
> Intel Open Source Technology Center
> Yocto Project - Technical Lead - Linux Kernel
Hi Darren,
Yes, you are right I didn't think about it.
The kernel is a special case since you just specify the root of the
file system with INSTALL_MOD_PATH the kernel build system will
*always* create lib/modules/${KERNEL_VERSION}.
In fact now that I think about it, I don't know if you can even change
the path were the kernel modules gets installed.
So, yes the kernel is a special case and using a ${base_libdir} other
than /lib will definitely break loadable kernel modules installation.
Richard, Darren is correct and this patch is wrong, this is one of the
cases which is acceptable (and necessary) to hardcode /lib.
Thanks a lot for pointing me out this and sorry for not realizing this
before sending the patch-set.
Best regards,
Javier
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