[dpdk-stable] [PATCH] app/test: fix rpath for drivers in meson build

[Timothy Redaelli]

On Thu, 2 Jul 2020 10:16:48 +0100
Bruce Richardson <bruce.richardson at intel.com> wrote:

> On Wed, Jul 01, 2020 at 07:16:38PM +0200, Timothy Redaelli wrote:
> > This commit fixes the setting of relative rpath on dpdk-test for
> > drivers ($libdir/dpdk/pmd-$abiver) to the correct absolute rpath
> > ($prefix$libdir/dpdk/pmd-$abiver)
> > 
> > Fixes: b5dc795a8a55 ("test: build app with meson as dpdk-test")
> > Cc: harry.van.haaren at intel.com
> > Cc: stable at dpdk.org
> > Signed-off-by: Timothy Redaelli <tredaelli at redhat.com>
> > ---
> >  app/test/meson.build | 3 ++-
> >  1 file changed, 2 insertions(+), 1 deletion(-)
> > 
> I'm not sure I agree with this change. It's better to have a relative
> rather than absolute rpath, I think. What problems is it causing to have a
> relative vs absolute rpath?
> 

I only backported the same fix done in app/meson.build since,
currently, app/test/meson.build adds a rpath to "lib64/dpdk/pmd-20.0"
that doesn't exists since, in this case, it should be
"../lib64/dpdk/pmd-20.0" on Fedora, or
"../lib/x86_64-linux-gnu/dpdk/pmds-20.0" on Debian.

If we want relative paths we should change "install_rpath:" line on
app/meson.build too.

Debian workarounded that bug by stripping rpaths from dpdk-test [1],
but I'd like to avoid doing that on Fedora/RHEL too, when we'll
migrate to meson, since currently check-rpaths (invoked by rpmbuild) is
complaining about the invalid rpath:

ERROR   0002: file '/usr/bin/dpdk-test' contains an invalid rpath
'lib64/dpdk/pmds-20.0' in [lib64/dpdk/pmds-20.0]

[1]
https://salsa.debian.org/debian/dpdk/-/blob/unstable/debian/rules#L175