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From: Thomas Monjalon <thomas@monjalon.net>
To: Bruce Richardson <bruce.richardson@intel.com>
Cc: dev@dpdk.org, stable@dpdk.org, Matan Azrad <matan@mellanox.com>,
	Shahaf Shuler <shahafs@mellanox.com>,
	Viacheslav Ovsiienko <viacheslavo@mellanox.com>,
	Nélio Laranjeiro <nelio.laranjeiro@6wind.com>
Subject: Re: [dpdk-dev] [PATCH v3 5/5] net/mlx: fix overlinking with meson and glue dlopen
Date: Tue, 11 Feb 2020 12:34:55 +0100
Message-ID: <15505086.0ZKypZ73Fx@xps> (raw)
In-Reply-To: <20200211113230.GB823@bricha3-MOBL.ger.corp.intel.com>

11/02/2020 12:32, Bruce Richardson:
> On Tue, Feb 11, 2020 at 02:19:42AM +0100, Thomas Monjalon wrote:
> > If ibverbs_link is dlopen, the PMD and application should not
> > be linked with ibverbs, but the glue library is.
> > Unfortunately the ibverbs dependency was exported in the
> > variable ext_deps, so there were overlinking.
> > 
> > It is fixed by not exporting the dependency in ext_deps,
> > and recreating a limited dependency object for cflags only.
> > 
> > Fixes: 1dd7c7e38c19 ("net/mlx4: support meson build")
> > Fixes: 96d7c62a70c7 ("net/mlx5: support meson build")
> > Cc: stable@dpdk.org
> > 
> > Signed-off-by: Thomas Monjalon <thomas@monjalon.net>
> > ---
> >  drivers/common/mlx5/meson.build | 6 ++++--
> >  drivers/net/mlx4/meson.build    | 6 ++++--
> >  2 files changed, 8 insertions(+), 4 deletions(-)
> > 
> > diff --git a/drivers/common/mlx5/meson.build b/drivers/common/mlx5/meson.build
> > index 2bb2a83c45..2956fc20e2 100644
> > --- a/drivers/common/mlx5/meson.build
> > +++ b/drivers/common/mlx5/meson.build
> > @@ -30,7 +30,7 @@ foreach libname:libnames
> >  	endif
> >  	if lib.found()
> >  		libs += lib
> > -		if not static_ibverbs
> > +		if not static_ibverbs and not dlopen_ibverbs
> >  			ext_deps += lib
> >  		endif
> >  	else
> > @@ -38,10 +38,12 @@ foreach libname:libnames
> >  		reason = 'missing dependency, "' + libname + '"'
> >  	endif
> >  endforeach
> > -if build and static_ibverbs
> > +if build and (static_ibverbs or dlopen_ibverbs)
> >  	# Build without adding shared libs to Requires.private
> >  	ibv_cflags = run_command(pkgconf, '--cflags', 'libibverbs').stdout()
> >  	ext_deps += declare_dependency(compile_args: ibv_cflags.split())
> > +endif
> > +if build and static_ibverbs
> >  	# Add static deps ldflags to internal apps and Libs.private
> >  	ibv_ldflags = run_command(ldflags_ibverbs_static, check:true).stdout()
> >  	ext_deps += declare_dependency(link_args:ibv_ldflags.split())
> 
> One small suggestion:
> Since out minimum version of meson is 0.47.1, we can use subdir_done()
> function. Putting subdir_done() immediately after build=false will simplify
> things as you won't need to continually check the build variable in each if
> statement.

Great, thank you!




  reply index

Thread overview: 59+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-01-16  7:16 [dpdk-dev] [PATCH 0/3] add static ibverbs in meson Thomas Monjalon
2020-01-16  7:16 ` [dpdk-dev] [PATCH 1/3] buildtools: rework static pkg-config script Thomas Monjalon
2020-01-16  7:16 ` [dpdk-dev] [PATCH 2/3] build: allow to hide dependencies from pkg-config Thomas Monjalon
2020-01-17 17:34   ` Bruce Richardson
2020-01-16  7:16 ` [dpdk-dev] [PATCH 3/3] net/mlx: support static ibverbs linkage with meson Thomas Monjalon
2020-01-27 15:43 ` [dpdk-dev] [PATCH v2 0/4] add static ibverbs in meson Thomas Monjalon
2020-01-27 15:43   ` [dpdk-dev] [PATCH v2 1/4] net/mlx: add static ibverbs linkage with meson Thomas Monjalon
2020-01-27 15:44   ` [dpdk-dev] [PATCH v2 2/4] buildtools: get static mlx dependencies for meson Thomas Monjalon
2020-01-29 15:37     ` Bruce Richardson
2020-01-29 17:48       ` Thomas Monjalon
2020-01-29 17:50         ` Bruce Richardson
2020-01-29 18:49           ` Thomas Monjalon
2020-01-29 17:48       ` Bruce Richardson
2020-01-27 15:44   ` [dpdk-dev] [PATCH v2 3/4] build: allow hiding dependencies from pkg-config Thomas Monjalon
2020-01-27 15:44   ` [dpdk-dev] [PATCH v2 4/4] net/mlx: workaround static linkage with meson Thomas Monjalon
2020-02-04 11:48   ` [dpdk-dev] [PATCH v2 0/4] add static ibverbs in meson Bruce Richardson
2020-02-04 14:27     ` Thomas Monjalon
2020-02-04 14:33       ` Bruce Richardson
2020-02-04 15:14         ` Thomas Monjalon
2020-02-04 15:20           ` Bruce Richardson
2020-02-11  1:19   ` [dpdk-dev] [PATCH v3 0/5] mlx ibverbs linking " Thomas Monjalon
2020-02-11  1:19     ` [dpdk-dev] [PATCH v3 1/5] net/mlx: add static ibverbs linkage with meson Thomas Monjalon
2020-02-11  1:19     ` [dpdk-dev] [PATCH v3 2/5] buildtools: get static mlx dependencies for meson Thomas Monjalon
2020-02-11  1:19     ` [dpdk-dev] [PATCH v3 3/5] net/mlx: workaround static linkage with meson Thomas Monjalon
2020-02-11 11:29       ` Bruce Richardson
2020-02-11 11:36         ` Thomas Monjalon
2020-02-11 11:43           ` Bruce Richardson
2020-02-11  1:19     ` [dpdk-dev] [PATCH v3 4/5] net/mlx: rename meson variable for dlopen option Thomas Monjalon
2020-02-11  1:19     ` [dpdk-dev] [PATCH v3 5/5] net/mlx: fix overlinking with meson and glue dlopen Thomas Monjalon
2020-02-11 11:32       ` Bruce Richardson
2020-02-11 11:34         ` Thomas Monjalon [this message]
2020-02-11 11:33     ` [dpdk-dev] [PATCH v3 0/5] mlx ibverbs linking in meson Bruce Richardson
2020-02-12  1:59 ` [dpdk-dev] [PATCH v4 0/6] " Thomas Monjalon
2020-02-12  1:59   ` [dpdk-dev] [PATCH v4 1/6] drivers: cleanup meson build variable Thomas Monjalon
2020-02-12  9:26     ` Xu, Rosen
2020-02-12  9:32       ` Thomas Monjalon
2020-02-12 15:04         ` [dpdk-dev] [dpdklab] " Jeremy Plsek
2020-02-12 15:18           ` Jeremy Plsek
2020-02-12 16:30             ` Thomas Monjalon
2020-02-12 16:36               ` Jeremy Plsek
2020-02-12 16:42                 ` Thomas Monjalon
2020-02-12 16:46                   ` Jeremy Plsek
2020-02-12 17:38                     ` Thomas Monjalon
2020-02-12 18:03                       ` Jeremy Plsek
2020-02-12  1:59   ` [dpdk-dev] [PATCH v4 2/6] net/mlx: add static ibverbs linkage with meson Thomas Monjalon
2020-02-12  1:59   ` [dpdk-dev] [PATCH v4 3/6] buildtools: get static mlx dependencies for meson Thomas Monjalon
2020-02-12  1:59   ` [dpdk-dev] [PATCH v4 4/6] net/mlx: workaround static linkage with meson Thomas Monjalon
2020-02-12  1:59   ` [dpdk-dev] [PATCH v4 5/6] net/mlx: rename meson variable for dlopen option Thomas Monjalon
2020-02-12  1:59   ` [dpdk-dev] [PATCH v4 6/6] net/mlx: fix overlinking with meson and glue dlopen Thomas Monjalon
2020-02-12  2:08   ` [dpdk-dev] [PATCH v4 0/6] mlx ibverbs linking in meson Thomas Monjalon
2020-02-12 22:07 ` [dpdk-dev] [PATCH v5 " Thomas Monjalon
2020-02-12 22:07   ` [dpdk-dev] [PATCH v5 1/6] drivers: cleanup meson build variable Thomas Monjalon
2020-02-13  0:25     ` Xu, Rosen
2020-02-12 22:07   ` [dpdk-dev] [PATCH v5 2/6] net/mlx: add static ibverbs linkage with meson Thomas Monjalon
2020-02-12 22:07   ` [dpdk-dev] [PATCH v5 3/6] buildtools: get static mlx dependencies for meson Thomas Monjalon
2020-02-12 22:07   ` [dpdk-dev] [PATCH v5 4/6] net/mlx: workaround static linkage with meson Thomas Monjalon
2020-02-12 22:07   ` [dpdk-dev] [PATCH v5 5/6] net/mlx: rename meson variable for dlopen option Thomas Monjalon
2020-02-12 22:07   ` [dpdk-dev] [PATCH v5 6/6] net/mlx: fix overlinking with meson and glue dlopen Thomas Monjalon
2020-02-13 13:57   ` [dpdk-dev] [PATCH v5 0/6] mlx ibverbs linking in meson Raslan Darawsheh

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