-----Original Message-----
From: Thomas Monjalon <tho...@monjalon.net> 
Sent: Wednesday, June 3, 2020 12:17 PM
To: Juraj Linkeš <juraj.lin...@pantheon.tech>
Cc: ferruh.yi...@intel.com; arybche...@solarflare.com; dev@dpdk.org
Subject: Re: [PATCH] ethdev: fix dpdk gcc build on Arm

03/06/2020 11:48, Juraj Linkeš:
> Directive #include <file> in gcc implementation searches for files in 
> a standard list of system directories, which leads to a sporadici 
> build error on Taishan arm machines:
> /tmp/openvpp-testing/dpdk/lib/librte_ethdev/rte_ethdev.h:4287:10:
> fatal error: rte_ethdev_core.h:
> No such file or directory #include <rte_ethdev_core.h>

Would be interesting to know why nobody else hit such error?


> Fix this by replacing the directive with #include "file" which 
> searches for files first in the directory containing the current file 
> and other directories only after that.
> 
> Signed-off-by: Juraj Linkeš <juraj.lin...@pantheon.tech>

What about #include <rte_ethdev_trace.h> ?

I only changed the .h files since that was enough to fix the issue, but I'll 
add that include as well.

Except this,
Acked-by: Thomas Monjalon <tho...@monjalon.net>


I would change the title to be more generic (nothing specific to gcc or Arm 
here):
        ethdev: fix local include

According to my research, the handling of include directives could be 
differenct across compilers so I made it specific, as I only looked at how gcc 
does it. The implementations are probably basically the same, so I'll change to 
wording so it's generic.

It needs to be backported, so these lines are required:
        Fixes: 7f0a669e7b04 ("ethdev: add allocation helper for virtual 
drivers")
        Fixes: dcd5c8112bc3 ("ethdev: add PCI driver helpers")
        Fixes: ffc905f3b856 ("ethdev: separate driver APIs")
        Fixes: 331c447ad913 ("ethdev: separate internal structures into own 
header")
        Cc: sta...@dpdk.org

I didn't know which patches this fixes, so I'll add this. How should I figure 
this out? Just look at which patch(es) changed the lines I'm modifying?

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