[PATCH] build: make ring mempool driver mandatory

[Morten Brørup]

> From: Bruce Richardson [mailto:bruce.richardson at intel.com]
> Sent: Monday, 14 February 2022 16.31
> 
> The default mempool driver is one based on the rte_ring, and as such it
> needs to be present to have just about any app (which doesn't override
> the mempool) run. Given this state of affairs it is probably best to
> add
> this default mempool driver to the always-enabled list to ensure we get
> a runnable build in all cases. This means that, for example, to run
> some
> NIC tests with testpmd in a minimal build, in most cases, all the user
> should need to do is specify "-Denable_drivers=net/<nic_drv>" for the
> build.
> 
> Signed-off-by: Bruce Richardson <bruce.richardson at intel.com>
> ---
>  drivers/meson.build | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/drivers/meson.build b/drivers/meson.build
> index d5f4e1c1f2..1d8123b00c 100644
> --- a/drivers/meson.build
> +++ b/drivers/meson.build
> @@ -40,6 +40,8 @@ endif
> 
>  # these drivers must always be enabled, otherwise the build breaks
>  always_enable = ['bus/pci', 'bus/vdev']
> +# we always need a mempool driver, and ring is default, so make it
> mandatory
> +always_enable += ['mempool/ring']
>  enable_drivers += always_enable
> 
>  default_cflags = machine_args
> --
> 2.32.0
> 

Acked-by: Morten Brørup <mb at smartsharesystems.com>