Re: [dpdk-stable] [PATCH 1/2] net/nfb: fix dependency check

["Jan Remeš" <remes@netcope.com>]

On Sat, Sep 14, 2019 at 11:37 AM Thomas Monjalon <thomas@monjalon.net> wrote:
>
> The library libnfb is part of netcope-common which provides
> a pkg-config file: netcope-common.pc.
> Looking for this .pc file - with dependency() - is preferred
> than looking for the library - with cc.find_library().
>
> If the library is not installed in a standard path,
> it can be found thanks to PKG_CONFIG_PATH variable.
> The previous solution required to use CFLAGS and LDFLAGS
> environment variables.
>
> Fixes: 6435f9a0ac22 ("net/nfb: add new netcope driver")
> Cc: stable@dpdk.org
>
> Signed-off-by: Thomas Monjalon <thomas@monjalon.net>
Acked-by: Jan Remes <remes@netcope.com>

> ---
>  drivers/net/nfb/meson.build | 9 ++-------
>  1 file changed, 2 insertions(+), 7 deletions(-)
>
> diff --git a/drivers/net/nfb/meson.build b/drivers/net/nfb/meson.build
> index 4502c3f76..d53e8eca7 100644
> --- a/drivers/net/nfb/meson.build
> +++ b/drivers/net/nfb/meson.build
> @@ -3,14 +3,9 @@
>  # Copyright(c) 2019 Netcope Technologies, a.s. <info@netcope.com>
>  # All rights reserved.
>
> -dep = cc.find_library('nfb', required: false)
> +dep = dependency('netcope-common', required: false)
>  reason = 'missing dependency, "libnfb"'
> -
> -build = dep.found() and cc.has_header('nfb/nfb.h', dependencies: dep)
> -
> -nc = dependency('netcope-common', required: false)
> -
> +build = dep.found()
>  ext_deps += dep
> -ext_deps += nc
>
>  sources = files('nfb_rx.c', 'nfb_tx.c', 'nfb_stats.c', 'nfb_ethdev.c', 'nfb_rxmode.c')
> --
> 2.23.0
>