On Thu, Nov 26, 2020 at 04:42:18PM +0100, Thomas Monjalon wrote: > From: Gregory Etelson <getel...@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 <getel...@nvidia.com> > Signed-off-by: Thomas Monjalon <tho...@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,
"correctly process the Lib.private..." or "process the Libs.private section correctly..." would read better, I think. > + resulting in misses in statically linked applications. "misses" is a strange term to use here, and I think it needs clarification on what exactly is being missed. How about generalizing it a bit: "resulting in statically linked applications not being linked properly." > + > + > Running DPDK Applications > ------------------------- > > -- > 2.28.0 >
