Hi Jochen On 2020-06-21 13:38:04 +0200, László Böszörményi wrote: > Source: ignition-fuel-tools > 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: > [ 9%] Building CXX object src/CMakeFiles/ignition-fuel_tools4.dir/ign.cc.o > cd /build/ignition-fuel-tools-4.1.0+dfsg/obj-x86_64-linux-gnu/src && > /usr/bin/c++ -Dignition_fuel_tools4_EXPORTS > -I/build/ignition-fuel-tools-4.1.0+dfsg/include > -I/build/ignition-fuel-tools-4.1.0+dfsg/obj-x86_64-linux-gnu/include > -I/build/ignition-fuel-tools-4.1.0+dfsg/obj-x86_64-linux-gnu/core/include > -isystem /usr/include/ignition/common3 -isystem /usr/include/uuid > -isystem /usr/include/ignition/msgs5 -isystem > /usr/include/ignition/math6 -isystem /usr/include/jsoncpp -g -O2 > -fdebug-prefix-map=/build/ignition-fuel-tools-4.1.0+dfsg=. > -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time > -D_FORTIFY_SOURCE=2 -fPIC -fPIC -I/usr/include/uuid > -I/usr/include/jsoncpp -std=c++17 -o > CMakeFiles/ignition-fuel_tools4.dir/ign.cc.o -c > /build/ignition-fuel-tools-4.1.0+dfsg/src/ign.cc > In file included from > /build/ignition-fuel-tools-4.1.0+dfsg/src/FuelClient.cc:19: > /usr/include/ignition/msgs5/ignition/msgs/fuel_metadata.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/fuel_metadata.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/fuel_metadata.pb.h:19:2: > error: #error regenerate this file with a newer version of protoc. > 19 | #error regenerate this file with a newer version of protoc. > | ^~~~~
While the rebuilds succeeded, the autopkgtests triggered by protobuf for the version of ignition-fuel-tools, ignition-msgs and ignition-transport now fail due to the same error. This could be avoided if libignition-msgs-dev which contains the protobuf-generated header files would have a stricter dependency on libprotobuf-dev. Since these files are only compatible with the same protobuf upstream version, it would need to depend on the protobuf upstream version it was built with. Cheers -- Sebastian Ramacher
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