build problems in layerscape target kernel

[Y.b. Lu]

Thanks Huake.
Let me try to fix this issue.

Best regards,
Yangbo Lu

> -----Original Message-----
> From: Hauke Mehrtens <hauke at hauke-m.de>
> Sent: Sunday, July 5, 2020 6:34 PM
> To: Y.b. Lu <yangbo.lu at nxp.com>
> Cc: LEDE Development List <openwrt-devel at lists.openwrt.org>
> Subject: build problems in layerscape target kernel
> 
> Hi Yangbo Lu,
> 
> I see some build problem with the layerscape target in the OpenWrt build
> bots recently.
> 
> Since the update to kernel 5.4.50 the scripts/headers_install.sh script
> complains that include/linux/fmd/Peripherals/fm_port_ioctls.h includes
> CONFIG_COMPAT. This is a problem when some user space application
> includes this file, because user space applications do not know of the
> kernel configuration and normally none of these CONFIG_ symbols is set.
> 
> This happens when changing the Linux kernel from version 45.4.48 to
> 5.4.49, but I do not know why this change is triggering this error and
> why it did not happen before.
> 
> This is the error message:
>   HDRINST usr/include/linux/fmd/integrations/integration_ioctls.h
>   HDRINST usr/include/linux/fmd/Peripherals/fm_port_ioctls.h
> error: include/uapi/linux/fmd/Peripherals/fm_port_ioctls.h: leak
> CONFIG_COMPAT to user-space
> scripts/Makefile.headersinst:63: recipe for target
> 'usr/include/linux/fmd/Peripherals/fm_port_ioctls.h' failed
> make[5]: *** [usr/include/linux/fmd/Peripherals/fm_port_ioctls.h] Error 1
> Makefile:1198: recipe for target 'headers' failed
> make[4]: *** [headers] Error 2
> 
> https://buildbot.openwrt.org/master/images/builders/layerscape%2Farmv7/b
> uilds/349
> 
> It is happening since:
> https://git.openwrt.org/68d9cb82143b864d70e4fb3d7cbb7068f82216a1
> 
> ----------------------
> 
> Before we saw this problem the layerscape target in the linking of the
> kernel image. It shows this error message.
> 
>   LD      vmlinux
>   SORTEX  vmlinux
>   SYSMAP  System.map
> Inconsistent kallsyms data
> Try make KALLSYMS_EXTRA_PASS=1 as a workaround
> Makefile:1081: recipe for target 'vmlinux' failed
> make[4]: *** [vmlinux] Error 1
> 
> This is happening since this build bot run, the changes since the
> previous build are listed in the log:
> https://buildbot.openwrt.org/master/images/builders/layerscape%2Farmv8_6
> 4b/builds/422
> 
> I haven't looked closer into this problem.
> 
> 
> Hauke