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SubjectRe: kbuild: ARCH=um archheaders failed
2018-08-04 0:41 GMT+09:00 Randy Dunlap <rdunlap@infradead.org>:
> On 08/02/2018 05:13 PM, Randy Dunlap wrote:
>> Hi Yamada-san,
>>
>> I see this every few weeks. It's not reproducible (it depends
>> on the moon, Mars, etc.).
>>
>> I'm using O=builddir. The build log is short (below).
>>
>> Do you see a makefile problem here? (nothing to do with mmotm;
>> I see it more frequently with linux-next since I do many daily
>> builds with it)
>
> BTW, this is just um defconfig with -j4.
>
> --
> ~Randy
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I will send a patch with commit description later
after more testing,
but the following patch should fix the issue.


diff --git a/arch/um/Makefile b/arch/um/Makefile
index d3975e7..1cec053 100644
--- a/arch/um/Makefile
+++ b/arch/um/Makefile
@@ -120,7 +120,7 @@ archheaders:
$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.asm-generic \
kbuild-file=$(HOST_DIR)/include/uapi/asm/Kbuild \
obj=$(HOST_DIR)/include/generated/uapi/asm
- $(Q)$(MAKE) KBUILD_SRC= ARCH=$(HEADER_ARCH) archheaders
+ $(Q)$(MAKE) -f $(srctree)/Makefile ARCH=$(HEADER_ARCH) archheaders


archprepare: include/generated/user_constants.h


--
Best Regards
Masahiro Yamada

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