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Date: Wed, 24 Jan 2018 10:27:31 -0800
From: Stephen Hemminger <stephen@networkplumber.org>
To: Thomas Monjalon <thomas@monjalon.net>
Cc: Matan Azrad <matan@mellanox.com>, stable@dpdk.org, Ophir Munk
 <ophirmu@mellanox.com>, dev@dpdk.org, Olga Shern <olgas@mellanox.com>,
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Subject: Re: [dpdk-stable] [dpdk-dev] [PATCH v2] net/vdev_netvsc: fix build
 using C11 mode and pedantic
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On Wed, 24 Jan 2018 19:08:02 +0100
Thomas Monjalon <thomas@monjalon.net> wrote:

> 24/01/2018 16:39, Stephen Hemminger:
> > On Wed, 24 Jan 2018 14:12:13 +0000
> > Ophir Munk <ophirmu@mellanox.com> wrote:  
> > > --- a/drivers/net/vdev_netvsc/Makefile
> > > +++ b/drivers/net/vdev_netvsc/Makefile
> > > @@ -12,7 +12,7 @@ EXPORT_MAP := rte_pmd_vdev_netvsc_version.map
> > >  # Additional compilation flags.
> > >  CFLAGS += -O3
> > >  CFLAGS += -g
> > > -CFLAGS += -std=c11 -pedantic -Wall -Wextra
> > > +CFLAGS += -Wall -Wextra
> > >  CFLAGS += -D_XOPEN_SOURCE=600
> > >  CFLAGS += -D_BSD_SOURCE
> > >  CFLAGS += -D_DEFAULT_SOURCE  
> > 
> > Why did this driver not use $(WERROR) like rest of DPDK drivers.  
> 
> It can be a separate patch.
> Matan?

I meant that you should use:

CFLAGS += $(WERROR_FLAGS)

instead of

CFLAGS += -Wall -Wextra

in this patch.

Also, do you really  need all the other CFLAGS? Why?

This driver has no reason to be a special case different from what is done
in virtio, vmxnet3, ixgbe, e1000, ...