Bug#963247: ignition-fuel-tools FTBFS with Protobuf 3.12.3

[Sebastian Ramacher]

On 2020-07-15 15:45:42 +0200, jspricke at debian.org wrote:
> Hi,
> 
> seems like this was not enough:
> 
> /usr/bin/ld: /usr/lib/gcc/aarch64-linux-gnu/9/../../../aarch64-linux-gnu/libignition-fuel_tools4.so: undefined reference to `ignition::msgs::FuelMetadata::FuelMetadata()'
> 
> https://ci.debian.net/data/autopkgtest/testing/arm64/i/ignition-fuel-tools/6276839/log.gz
> 
> Looks like the new protobuf drops a symbol.
> I'm not sure how to proceed:
> - patch protobuf to get the symbol back?
> - bump Sonames of all ign* packages?
> - Any other idea?

boost-regex and icu have a similar issue. There the symbols of
libboost-regex change with the SONAME of icu. As a solution,
libboost-regex has a Provides encoding icu's SONAME and a symbol files
that produces dependencies on that Provide. The same could be applied
here as well.

Cheers
-- 
Sebastian Ramacher
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