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Bug#895729: RFS: mkl-dnn/0.15+git20180803.3f58c1 [ITP] -- tensorflow dependency (amd64 specific)

On Thu, Aug 09, 2018 at 10:16:17AM +0000, Lumin wrote:
>  * Package name    : mkl-dnn
>    Version         : 0.15+git20180803.3f58c16-1
>    Upstream Author : intel

Alas, the build flags use -march=native -mtune=native which is a big no-no.
The first makes the package crash on any processor lacking an extension that
was present on the build machine and was used by the compiler; unless some
kind of runtime detection is used, packages are allowed only the baseline
ISA for the architecture.  As for -mtune=native, it makes the package build
unreproducibly, differing based on where it was compiled.

The second problem is that in the testsuite, test_convolution_format_any
fails (0/5 sub-tests).  This might be related to my machine being:
vendor_id	: AuthenticAMD
model name	: AMD Phenom(tm) II X6 1055T Processor

Log of the FTBFS attached.

⢀⣴⠾⠻⢶⣦⠀ So a Hungarian gypsy mountainman, lumberjack by day job,
⣾⠁⢰⠒⠀⣿⡁ brigand by, uhm, hobby, invented a dish: goulash on potato
⢿⡄⠘⠷⠚⠋⠀ pancakes.  Then the Polish couldn't decide which of his
⠈⠳⣄⠀⠀⠀⠀ adjectives to use for the dish's name.

Attachment: mkl-dnn_0.15+git20180803.3f58c16-1_amd64.build.xz
Description: application/xz

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