[ovs-dev] [PATCH v2 ovn 0/5] External OVS source support and separate run dir for OVN

Han Zhou zhouhan at gmail.com
Wed Aug 21 16:59:50 UTC 2019

On Mon, Aug 19, 2019 at 11:13 AM <nusiddiq at redhat.com> wrote:
> From: Numan Siddique <nusiddiq at redhat.com>
> This patch series adds support for building OVN from external OVS
> sources.
> The first patch adds the support to compile OVN from external OVS sources.
> The following configuration options are added when configuring OVN
>   * --with-ovs-source (mandatory)
>   * --with-ovs-build (optional)
> Patch 2 adds support to run OVN services using separate
> directores
>   - Default run time dir - /usr/local/var/run/ovm
>   - Default log dir - /usr/loca/var/log/ovn
>   - Default db dir - /usr/loca/etc/ovn
> Patch 3 fixes "make rpm-fedora" which is presently broken
> Patch 4 runs OVN services as openvswitch user for rhel when rpms are
> used.
> Patch 5 removes the python subdirectory as that directory belongs
> to OVS and uses the required files from the OVS repo.
> v1 -> v2
> ========
>  * Addressed the review comments.
>  * Swapped the patch 1 and 2 as it was easier to address Mark's comment
>  * In patch 2, renamed m4/openvswitch.m4 to m4/ovn.m4 and renamed few of
>    the macros to OVS_* to OVN_*.
> Combined the patch 1 and 2 in this series which were submitted
> separately earlier.

Hi Numan,

Thanks for this work. I tried applying this series on master, and then
removed the "ovs" subfolder just to see if it uses the external OVS
completely. However I encountered some error:

/bin/sh ./libtool  --tag=CC   --mode=compile gcc -std=gnu99 -DHAVE_CONFIG_H
-I.   -I ./include  -I ./include -I ./ovn -I ./include -I
/home/hzhou/src/ovs/include -I /home/hzhou/src/ovs/_build/include -I
/home/hzhou/src/ovs/lib -I /home/hzhou/src/ovs/_build/lib -I
/home/hzhou/src/ovs -I /home/hzhou/src/ovs/_build -I ./lib -I ./lib
 -Wstrict-prototypes -Wall -Wextra -Wno-sign-compare -Wpointer-arith
-Wformat -Wformat-security -Wswitch-enum -Wunused-parameter
-Wbad-function-cast -Wcast-align -Wstrict-prototypes -Wold-style-definition
-Wmissing-prototypes -Wmissing-field-initializers -fno-strict-aliasing
-Wshadow    -g -O2 -MT lib/logical-fields.lo -MD -MP -MF $depbase.Tpo -c -o
lib/logical-fields.lo lib/logical-fields.c &&\
mv -f $depbase.Tpo $depbase.Plo
lib/actions.c: In function 'encode_CHECK_PKT_LARGER':
lib/actions.c:2592:9: warning: implicit declaration of function
'ofpact_put_CHECK_PKT_LARGER' [-Wimplicit-function-declaration]
lib/actions.c:2592:9: warning: initialization makes pointer from integer
without a cast
lib/actions.c:2593:21: error: dereferencing pointer to incomplete type
     check_pkt_larger->pkt_len = cipl->pkt_len;
lib/actions.c:2594:21: error: dereferencing pointer to incomplete type
     check_pkt_larger->dst = expr_resolve_field(&cipl->dst);

Is this expected?


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