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Date: Mon, 14 Feb 2022 22:10:47 -0800
From: Tyler Retzlaff <roretzla@linux.microsoft.com>
To: Thomas Monjalon <thomas@monjalon.net>
Cc: dev@dpdk.org, ocardona@microsoft.com, roretzla@microsoft.com,
 david.marchand@redhat.com, ferruh.yigit@intel.com,
 bruce.richardson@intel.com
Subject: Re: out of tree driver builds broken with C++
Message-ID: <20220215061047.GA30066@linuxonhyperv3.guj3yctzbm1etfxqx2vob5hsef.xx.internal.cloudapp.net>
References: <20220214091350.GA2793@linuxonhyperv3.guj3yctzbm1etfxqx2vob5hsef.xx.internal.cloudapp.net>
 <3450334.eFTFzoEnKi@thomas>
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On Mon, Feb 14, 2022 at 10:22:08AM +0100, Thomas Monjalon wrote:
> 14/02/2022 10:13, Tyler Retzlaff:
> > while the driver api is "internal" we agreed some time ago that drivers
> > could be built external to the dpdk tree. by enabling the meson setup
> > option -Denable_driver_sdk=true.
> > 
> > it was agreed that the driver api was internal and would attract no
> > binary compatibility support which was fine.  this change has now
> > imposed a further restriction that out of tree drivers have to be
> > authored in C only as non-C++ compatible code will invariably leak into
> > the internal structures.
> > 
> > you won't allow us to build C++ drivers in the dpdk tree and it seems
> > now you are preventing building of C++ drivers outside of the tree too.
> 
> That's the problem of non-written assumptions, they are unknown or forgotten.
> Did we agree to support out-of-tree drivers in C++?
> 
> We really need to make things clear and written in documentation.

how / where would you prefer this be documented?

thanks