Re: "make oldconfig" kills config options when cross compiling

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On 05/15/2014 08:02 AM, Manuel Reimer wrote:
> Hello,
> I want to build an up-to-date kernel (3.14.4) based on this config:
> <>
> To do so, I copied this config file as ".config" into the kernel source tree and executed
> $ make ARCH=arm CROSS_COMPILE=/path/to/compiler/ oldconfig
> My problem is, that this always drops important entries like "CONFIG_ARCH_MXS=y".

In 3.7 (where that original config file came from), ARCH_MXS did NOT depend on
ARCH_MULTI_V5.  Somewhere between 3.7 and 3.14, someone decided that ARCH_MXS should
depend on ARCH_MULTI_V5.  You can probably enable that kconfig option and then
enable ARCH_MXS.

> If I start with "make mxs_defconfig" and run "make oldconfig" on this default config, then no entries are killed.
> What's wrong with the config, I want to start with?

as explained above.

> Thanks in advance.

Good luck.

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