[dpdk-dev] x86_64-native-linuxapp-clang compilation broken?
Matthew Hall
mhall at mhcomputing.net
Wed Feb 17 21:23:13 CET 2016
On Wed, Feb 17, 2016 at 11:07:40AM +0000, De Lara Guarch, Pablo wrote:
> It looks like old versions of clang are not able to identify correctly the newer CPUs:
>
> LLVM (http://llvm.org/):
> LLVM version 3.6.2
>
> Optimized build.
> Built Aug 18 2015 (08:39:18).
> Default target: x86_64-pc-linux-gnu
> Host CPU: x86-64
>
>
> LLVM (http://llvm.org/):
> LLVM version 3.7.0
> Optimized build.
> Built Jan 22 2016 (17:39:46).
> Default target: x86_64-redhat-linux-gnu
> Host CPU: broadwell
>
> I will submit a patch adding a note in known issues section, unless anybody knows
> how to fix this in our side (as far as I know, it is a clang issue).
>
> Thanks,
> Pablo
Hello Pablo,
Just having some explanation of the root cause is a great start even if it
can't necessarily be fixed in DPDK. I will install clang 3.7.X and retry it.
Matthew.
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