[dpdk-stable] [PATCH 20.11] build: fix drivers selection without Python

[Xueming(Steven) Li]

Merged, thanks!

> -----Original Message-----
> From: Richardson, Bruce <bruce.richardson at intel.com>
> Sent: Tuesday, June 15, 2021 8:42 PM
> To: David Marchand <david.marchand at redhat.com>; stable at dpdk.org
> Cc: Xueming(Steven) Li <xuemingl at nvidia.com>; Robin Jarry <robin.jarry at 6wind.com>; Luca Boccassi <bluca at debian.org>
> Subject: RE: [PATCH 20.11] build: fix drivers selection without Python
> 
> 
> 
> > -----Original Message-----
> > From: David Marchand <david.marchand at redhat.com>
> > Sent: Tuesday, June 15, 2021 1:22 PM
> > To: stable at dpdk.org
> > Cc: xuemingl at nvidia.com; Richardson, Bruce
> > <bruce.richardson at intel.com>; Robin Jarry <robin.jarry at 6wind.com>;
> > Luca Boccassi <bluca at debian.org>
> > Subject: [PATCH 20.11] build: fix drivers selection without Python
> >
> > [ upstream commit 627c5b41bb14a1afbd1489b0fc4b8224532a823d ]
> >
> > The list of disabled drivers is built by calling list-dir-globs.py.
> >
> > But if no Python interpreter is installed, no error is reported and no
> > driver is disabled.
> >
> > Example on a minimal FreeBSD VM:
> >
> >   dpdk at freebsd:~/dpdk $ meson setup build -Ddisable_drivers=net/*
> >   ...
> >   Message:
> >   ===============
> >   Drivers Enabled
> >   ===============
> >
> >   common:
> >   	cpt, iavf, octeontx, octeontx2, sfc_efx, qat,
> >   bus:
> >   	ifpga, pci, vdev,
> >   mempool:
> >   	bucket, octeontx, octeontx2, ring, stack,
> >   net:
> >   	ark, atlantic, bond, bnxt, cxgbe, e1000, ena, enic,
> >   	failsafe, fm10k, i40e, hinic, iavf, ice, igc, ixgbe,
> >   	liquidio, null, octeontx, octeontx2, pcap, qede, ring, sfc,
> >   	thunderx, txgbe, virtio, vmxnet3,
> >   ...
> >
> >   dpdk at freebsd:~/dpdk $ cd drivers/
> >   dpdk at freebsd:~/dpdk/drivers $ ~/dpdk/buildtools/list-dir-globs.py net/*
> >   env: python3: No such file or directory
> >
> > Rely on meson internal interpreter.
> > Check return code when calling this script.
> >
> > Fixes: ab9407c3addd ("build: allow using wildcards to disable
> > drivers")
> >
> > Signed-off-by: David Marchand <david.marchand at redhat.com>
> > ---
> 
> Acked-by: Bruce Richardson <bruce.richardson at intel.com>