From: Thomas Monjalon <thomas@monjalon.net> To: dev@dpdk.org Cc: david.marchand@redhat.com, bruce.richardson@intel.com, Gregory Etelson <getelson@nvidia.com> Subject: [dpdk-dev] [PATCH v2 1/1] doc: add pkg-config requirement for applications Date: Thu, 26 Nov 2020 16:42:18 +0100 Message-ID: <20201126154218.1222717-1-thomas@monjalon.net> (raw) In-Reply-To: <20201117181746.17904-1-getelson@nvidia.com> From: Gregory Etelson <getelson@nvidia.com> DPDK relies on pkg-config(1) to provide correct parameters for compiler and linker used in application build. Inaccurate build parameters, produced by pkg-config from DPDK .pc files could fail application build or cause unpredicted results during application runtime. Update system requirements doc about a bug in pkg-config v0.27 used in RHEL-7. Signed-off-by: Gregory Etelson <getelson@nvidia.com> Signed-off-by: Thomas Monjalon <thomas@monjalon.net> --- v2: make a more global note about the need for pkg-config in app build --- doc/guides/linux_gsg/sys_reqs.rst | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/doc/guides/linux_gsg/sys_reqs.rst b/doc/guides/linux_gsg/sys_reqs.rst index 6ecdc04aa9..ab38284950 100644 --- a/doc/guides/linux_gsg/sys_reqs.rst +++ b/doc/guides/linux_gsg/sys_reqs.rst @@ -94,6 +94,19 @@ found in that driver's documentation in the relevant DPDK guide document, e.g. :doc:`../nics/index` +Building DPDK Applications +-------------------------- + +The tool pkg-config or pkgconf, integrated in most build systems, +must be used to parse options and dependencies from libdpdk.pc. + +.. note:: + + pkg-config 0.27, supplied with RHEL-7, + does not process correctly Libs.private section, + resulting in misses in statically linked applications. + + Running DPDK Applications ------------------------- -- 2.28.0
next prev parent reply other threads:[~2020-11-26 15:42 UTC|newest] Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-10-29 9:16 [dpdk-dev] [PATCH] build: add pkg-config validation Gregory Etelson 2020-11-01 10:01 ` Thomas Monjalon 2020-11-01 12:06 ` Gregory Etelson 2020-11-02 6:45 ` [dpdk-dev] [PATCH v2] " Gregory Etelson 2020-11-02 12:11 ` Bruce Richardson 2020-11-02 19:39 ` Gregory Etelson 2020-11-02 19:34 ` [dpdk-dev] [PATCH v3] " Gregory Etelson 2020-11-03 10:09 ` Bruce Richardson 2020-11-04 8:38 ` Gregory Etelson 2020-11-05 12:37 ` [dpdk-dev] [PATCH v4] " Gregory Etelson 2020-11-05 13:17 ` Bruce Richardson 2020-11-13 13:38 ` David Marchand 2020-11-13 15:16 ` Gregory Etelson 2020-11-13 15:32 ` David Marchand 2020-11-17 18:17 ` [dpdk-dev] [PATCH] doc: notify bug in pkg-config v0.27 Gregory Etelson 2020-11-26 15:42 ` Thomas Monjalon [this message] 2020-11-26 16:24 ` [dpdk-dev] [PATCH v2 1/1] doc: add pkg-config requirement for applications Bruce Richardson 2020-11-26 16:38 ` Thomas Monjalon 2020-11-26 16:43 ` [dpdk-dev] [PATCH v3 " Thomas Monjalon 2020-11-26 16:46 ` Bruce Richardson 2020-11-27 0:59 ` Thomas Monjalon
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