[Buildroot] Strange non-deterministic error while building buildroot 2020.02 package iio-tools

[yann.morin at orange.com]

Eugen, All,

On 2020-04-06 11:38 +0000, Eugen.Hristev at microchip.com spake thusly:
> Hello,
> 
> Has anyone encountered such error?
> Attempting to build it again works... however it stopped at this error 
> several times when building (10 % of cases)
> 
> At first I suspected my file system, but, why does this crash happen all 
> the time in the same place ?
> 
> Thanks in advance !
> 
>  >>> linux-tools  Building
> PATH="/home/eugen/release-scripts-2004/build/buildroot/buildroot-at91/output/host/bin:/home/eugen/release-scripts-2004/build/buildroot/buildroot-at91/output/host/sbin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/snap/bin" 
> /usr/bin/make -j41 -C 
> /home/eugen/release-scripts-2004/build/buildroot/buildroot-at91/output/build/linux-linux-5.4-at91/tools/iio 
> HOSTCC="/usr/bin/gcc -O2 
> -I/home/eugen/release-scripts-2004/build/buildroot/buildroot-at91/output/host/include 
> -L/home/eugen/release-scripts-2004/build/buildroot/buildroot-at91/output/host/lib 
> -Wl,-rpath,/home/eugen/release-scripts-2004/build/buildroot/buildroot-at91/output/host/lib" 
> ARCH=arm 
> INSTALL_MOD_PATH=/home/eugen/release-scripts-2004/build/buildroot/buildroot-at91/output/target 
> CROSS_COMPILE="/home/eugen/release-scripts-2004/build/buildroot/buildroot-at91/output/host/bin/arm-buildroot-linux-gnueabihf-" 
> DEPMOD=/home/eugen/release-scripts-2004/build/buildroot/buildroot-at91/output/host/sbin/depmod 
> INSTALL_MOD_STRIP=1
> mkdir -p include/linux/iio 2>&1 || true
> ln -sf 
> /home/eugen/release-scripts-2004/build/buildroot/buildroot-at91/output/build/linux-linux-5.4-at91/tools/iio/../../include/uapi/linux/iio/events.h 
> include/linux/iio
> ln -sf 
> /home/eugen/release-scripts-2004/build/buildroot/buildroot-at91/output/build/linux-linux-5.4-at91/tools/iio/../../include/uapi/linux/iio/types.h 
> include/linux/iio
>    CC       iio_event_monitor.o
>    CC       lsiio.o
>    CC       iio_utils.o
>    CC       iio_generic_buffer.o
>    CC       iio_utils.o
>    CC       iio_utils.o
>    LD       iio_event_monitor-in.o
>    LD       iio_generic_buffer-in.o
> /home/eugen/release-scripts-2004/build/buildroot/buildroot-at91/output/host/bin/arm-buildroot-linux-gnueabihf-ld: 
> iio_utils.o: file not recognized: file truncated

I guess you'll want to cary linux commit 731b60afcb3d3 (tools: iio:
Correctly add make dependency for iio_utils) as a local patch.

Regards,
Yann E. MORIN.

> /home/eugen/release-scripts-2004/build/buildroot/buildroot-at91/output/build/linux-linux-5.4-at91/tools/build/Makefile.build:144: 
> recipe for target 'iio_generic_buffer-in.o' failed
> make[3]: *** [iio_generic_buffer-in.o] Error 1
> Makefile:49: recipe for target 'iio_generic_buffer-in.o' failed
> make[2]: *** [iio_generic_buffer-in.o] Error 2
> make[2]: *** Waiting for unfinished jobs....
>    LD       lsiio-in.o
> package/pkg-generic.mk:266: recipe for target 
> '/home/eugen/release-scripts-2004/build/buildroot/buildroot-at91/output/build/linux-tools/.stamp_built' 
> failed
> make[1]: *** 
> [/home/eugen/release-scripts-2004/build/buildroot/buildroot-at91/output/build/linux-tools/.stamp_built] 
> Error 2
> Makefile:84: recipe for target '_all' failed
> make: *** [_all] Error 2
> Buildroot: failed to make
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