[U-Boot] [PATCH] kbuild: move ARCH, CPU, etc. to top Makefile to fix random build error
York Sun
yorksun at freescale.com
Tue Mar 31 17:57:37 CEST 2015
On 03/31/2015 08:45 AM, Stephen Warren wrote:
> On 03/31/2015 06:02 AM, Masahiro Yamada wrote:
>> Since the Kconfig conversion, some developers have reported that
>> Kbuild sometimes fails completely at random. According to the error
>> reports, it seems to occur for any target board, but only on very
>> fast computers.
>>
>> The log message for the fail case is like this:
>>
>> make[1]: *** No rule to make target `../arch//cpu/u-boot.lds',
>> needed by `u-boot.lds'. Stop.
>>
>> It looks like the top config.mk has not been included for *some*
>> reason, and $(ARCH) has been left blank.
>>
>> I suspect "autoconf_is_current" is not working in some situation.
>>
>> This commit moves the definition of ARCH, CPU, SOC, etc. to the
>> top Makefile, so they are surely set.
>
> This doesn't solve the issue for me, although it improves the chance of
> success and changes the error I get.
>
> With and without this patch, I ran:
>
> CROSS_COMPILE=arm-linux-gnueabi- ./MAKEALL rpi_2
>
> ... until whichever of success/fail had the fewest "hits" had at least 5
> "hits".
>
> Without this patch, the build failed 6 out of 11 runs with:
>
Stephen is so fast, saved me time to setup and test.
Let me know if I need to run test from my side.
York
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