Bug#963248: ignition-transport FTBFS with Protobuf 3.12.3

[Jochen Sprickerhof]

Hi László,

I did a quick test and a BinNMU of ignition-msgs will solve this and 
#963247 and #963249 as well. Can you schedule it along with the 
transition and close those bugs?

Cheers Jochen

* László Böszörményi <gcs at debian.org> [2020-06-21 13:38]:
>Source: ignition-transport
>Severity: normal
>Justification: fails to build from source (but built successfully in the past)
>Tags: upstream ftbfs
>
>Hi,
>
>Soon the Protobuf transition will start. Your package FTBFS with the Protobuf
>3.12.3-1 version, currently in experimental. The relevant lines hopefully:
>[  3%] Building CXX object src/CMakeFiles/ignition-transport8.dir/Clock.cc.o
>cd /build/ignition-transport-8.0.0+dfsg/obj-x86_64-linux-gnu/src &&
>/usr/bin/c++  -Dignition_transport8_EXPORTS
>-I/build/ignition-transport-8.0.0+dfsg/include
>-I/build/ignition-transport-8.0.0+dfsg/obj-x86_64-linux-gnu/include
>-I/build/ignition-transport-8.0.0+dfsg/obj-x86_64-linux-gnu/core/include
>-isystem /usr/include/ignition/cmake2 -isystem
>/usr/include/ignition/msgs5 -isystem /usr/include/ignition/math6
>-isystem /usr/include/mit-krb5 -isystem /usr/include/pgm-5.2 -isystem
>/usr/include/uuid  -g -O2
>-fdebug-prefix-map=/build/ignition-transport-8.0.0+dfsg=.
>-fstack-protector-strong -Wformat -Werror=format-security -Wdate-time
>-D_FORTIFY_SOURCE=2 -fPIC   -fPIC -isystem /usr/include/mit-krb5
>-I/usr/include/pgm-5.2 -I/usr/include/uuid -std=c++17 -o
>CMakeFiles/ignition-transport8.dir/Clock.cc.o -c
>/build/ignition-transport-8.0.0+dfsg/src/Clock.cc
>In file included from
>/usr/include/ignition/msgs5/ignition/msgs/MessageTypes.hh:31,
>                 from /usr/include/ignition/msgs5/ignition/msgs/Utility.hh:33,
>                 from /usr/include/ignition/msgs5/ignition/msgs.hh:27,
>                 from
>/build/ignition-transport-8.0.0+dfsg/include/ignition/transport/Node.hh:32,
>                 from /build/ignition-transport-8.0.0+dfsg/src/CIface.cc:21:
>/usr/include/ignition/msgs5/ignition/msgs/actor.pb.h:17:2: error:
>#error This file was generated by an older version of protoc which is
>   17 | #error This file was generated by an older version of protoc which is
>      |  ^~~~~
>/usr/include/ignition/msgs5/ignition/msgs/actor.pb.h:18:2: error:
>#error incompatible with your Protocol Buffer headers. Please
>   18 | #error incompatible with your Protocol Buffer headers. Please
>      |  ^~~~~
>/usr/include/ignition/msgs5/ignition/msgs/actor.pb.h:19:2: error:
>#error regenerate this file with a newer version of protoc.
>
>Please contact your upstream or try to fix yourself.
>Probably your protobuf files only need to be regenerated.
>
>Thanks,
>Laszlo/GCS
>
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