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From: Bruce Richardson <bruce.richardson@intel.com>
To: Thomas Monjalon <thomas@monjalon.net>
Cc: dev@dpdk.org, david.marchand@redhat.com, ktraynor@redhat.com,
	bluca@debian.org, sunil.pai.g@intel.com
Subject: Re: [dpdk-dev] [PATCH v3 6/7] build/pkg-config: improve static linking flags
Date: Wed, 1 Jul 2020 15:36:05 +0100
Message-ID: <20200701143605.GF595@bricha3-MOBL.ger.corp.intel.com> (raw)
In-Reply-To: <2333495.2VkqQosWx8@thomas>

On Wed, Jul 01, 2020 at 04:33:27PM +0200, Thomas Monjalon wrote:
> 01/07/2020 16:30, Thomas Monjalon:
> > 30/06/2020 16:14, Bruce Richardson:
> > > Rather than setting -Bstatic in the linker flags when doing a static link,
> > > and then having to explicitly set -Bdynamic again afterwards, we can update
> > > the pkg-config file to use -l:libfoo.a syntax to explicitly refer to the
> > > static library in question. Since this syntax is not supported by meson's
> > > pkg-config module directly, we can post-process the .pc files instead to
> > > adjust them.
> > > 
> > > Once done, we can simplify the examples' makefiles and the docs by removing
> > > the explicit static flag.
> > > 
> > > Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
> > > Acked-by: Luca Boccassi <bluca@debian.org>
> > > Acked-by: Sunil Pai G <sunil.pai.g@intel.com>
> > > ---
> > > --- a/buildtools/pkg-config/meson.build
> > > +++ b/buildtools/pkg-config/meson.build
> > > +# the pkg-config file generated is not best tuned for static linking so
> > > +# use a script to adjust the linker flags
> > > +run_command(py3, 'set-static-linker-flags.py', check: true)
> > 
> > The comment could be made more precise:
> > # For static linking with dependencies as shared libraries,
> > # the static libraries must be flagged explicitly.
> 
> Even better:
> 
> > # For static linking with dependencies as shared libraries,
> > # the internal static libraries must be flagged explicitly.
> 
Should "dependencies" be clarified as "external" or "non-DPDK"
dependencies?

/Bruce

  reply index

Thread overview: 63+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-04-29 10:08 [dpdk-dev] [PATCH 0/7] improve DPDK static builds with meson Bruce Richardson
2020-04-29 10:08 ` [dpdk-dev] [PATCH 1/7] build: always link-whole DPDK static libraries Bruce Richardson
2020-04-29 10:18   ` Thomas Monjalon
2020-04-29 10:42     ` Bruce Richardson
2020-04-29 10:49       ` Thomas Monjalon
2020-04-29 14:04   ` Andrzej Ostruszka [C]
2020-04-29 10:08 ` [dpdk-dev] [PATCH 2/7] build: remove unnecessary variable Bruce Richardson
2020-04-29 10:19   ` Thomas Monjalon
2020-04-29 10:29     ` Bruce Richardson
2020-04-29 10:08 ` [dpdk-dev] [PATCH 3/7] devtools/test-meson-builds.sh: add pkg-config static builds Bruce Richardson
2020-04-29 10:08 ` [dpdk-dev] [PATCH 4/7] build: move pkg-config creation to separate file Bruce Richardson
2020-04-29 10:08 ` [dpdk-dev] [PATCH 5/7] build/pkg-config: output driver libs first for static build Bruce Richardson
2020-04-29 10:30   ` Thomas Monjalon
2020-04-29 10:54     ` Bruce Richardson
2020-04-29 10:40   ` Luca Boccassi
2020-04-29 11:03     ` Bruce Richardson
2020-04-29 11:12       ` Luca Boccassi
2020-04-29 10:08 ` [dpdk-dev] [PATCH 6/7] build/pkg-config: improve static linking flags Bruce Richardson
2020-04-29 10:32   ` Thomas Monjalon
2020-04-29 10:56     ` Bruce Richardson
2020-04-29 10:57       ` Thomas Monjalon
2020-04-29 10:37   ` Luca Boccassi
2020-04-29 10:58     ` Bruce Richardson
2020-04-29 11:10       ` Luca Boccassi
2020-04-29 10:08 ` [dpdk-dev] [PATCH 7/7] build/pkg-config: prevent overlinking Bruce Richardson
2020-04-29 10:34   ` Thomas Monjalon
2020-04-29 11:00     ` Bruce Richardson
2020-05-01 13:53 ` [dpdk-dev] [PATCH v2 0/7] improve DPDK static builds with meson Bruce Richardson
2020-05-01 13:53   ` [dpdk-dev] [PATCH v2 1/7] build: always link-whole DPDK static libraries Bruce Richardson
2020-05-01 13:53   ` [dpdk-dev] [PATCH v2 2/7] build: remove unnecessary variable Bruce Richardson
2020-05-01 13:53   ` [dpdk-dev] [PATCH v2 3/7] devtools/test-meson-builds.sh: add pkg-config static builds Bruce Richardson
2020-05-01 13:53   ` [dpdk-dev] [PATCH v2 4/7] build: move pkg-config creation to separate file Bruce Richardson
2020-05-01 13:53   ` [dpdk-dev] [PATCH v2 5/7] build/pkg-config: output driver libs first for static build Bruce Richardson
2020-05-01 13:54   ` [dpdk-dev] [PATCH v2 6/7] build/pkg-config: improve static linking flags Bruce Richardson
2020-05-01 13:54   ` [dpdk-dev] [PATCH v2 7/7] build/pkg-config: prevent overlinking Bruce Richardson
2020-05-01 14:02   ` [dpdk-dev] [PATCH v2 0/7] improve DPDK static builds with meson Luca Boccassi
2020-06-30 13:25   ` Pai G, Sunil
2020-06-30 16:37     ` Stokes, Ian
2020-07-01 17:29       ` Thomas Monjalon
2020-07-02 10:46         ` Stokes, Ian
2020-06-30 14:14 ` [dpdk-dev] [PATCH v3 " Bruce Richardson
2020-06-30 14:14   ` [dpdk-dev] [PATCH v3 1/7] build: always link-whole DPDK static libraries Bruce Richardson
2020-07-01 14:19     ` Thomas Monjalon
2020-06-30 14:14   ` [dpdk-dev] [PATCH v3 2/7] build: remove unnecessary variable Bruce Richardson
2020-06-30 14:14   ` [dpdk-dev] [PATCH v3 3/7] devtools/test-meson-builds.sh: add pkg-config static builds Bruce Richardson
2020-06-30 14:14   ` [dpdk-dev] [PATCH v3 4/7] build: move pkg-config creation to separate file Bruce Richardson
2020-06-30 14:14   ` [dpdk-dev] [PATCH v3 5/7] build/pkg-config: output driver libs first for static build Bruce Richardson
2020-07-01  7:50     ` Thomas Monjalon
2020-07-01  8:43       ` Bruce Richardson
2020-07-01 14:42     ` Thomas Monjalon
2020-07-01 15:16       ` Bruce Richardson
2020-07-01 15:36         ` Thomas Monjalon
2020-07-01 15:45           ` Bruce Richardson
2020-07-01 16:04             ` Thomas Monjalon
2020-06-30 14:14   ` [dpdk-dev] [PATCH v3 6/7] build/pkg-config: improve static linking flags Bruce Richardson
2020-07-01 14:30     ` Thomas Monjalon
2020-07-01 14:33       ` Thomas Monjalon
2020-07-01 14:36         ` Bruce Richardson [this message]
2020-07-01 14:45           ` Thomas Monjalon
2020-06-30 14:14   ` [dpdk-dev] [PATCH v3 7/7] build/pkg-config: prevent overlinking Bruce Richardson
2020-07-01  7:56     ` Thomas Monjalon
2020-07-01  8:58       ` Bruce Richardson
2020-07-01 17:33   ` [dpdk-dev] [PATCH v3 0/7] improve DPDK static builds with meson Thomas Monjalon

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