******************************************************************************** conan test cci-4f990833/recipes/libprotobuf-mutator/all/test_package/conanfile.py libprotobuf-mutator/cci.20210831@#77094585d4dd179632202d34b8d514cf -pr /home/conan/w/prod-v1/bsr/82042/fdefc/profile_linux_7_libstdcpp11_gcc_debug_64.libprotobuf-mutator-shared-True.txt -c tools.system.package_manager:mode=install -c tools.system.package_manager:sudo=True ******************************************************************************** CMake Warning: Manually-specified variables were not used by the project: CMAKE_POLICY_DEFAULT_CMP0091 /home/conan/w/prod-v1/bsr/82042/baecd/.conan/data/libprotobuf-mutator/cci.20210831/_/_/package/ae815cf4939209502c96f3df229e805a431d8923/lib/libprotobuf-mutator.so: undefined reference to `google::protobuf::util::MessageDifferencer::Equals(google::protobuf::Message const&, google::protobuf::Message const&)' collect2: error: ld returned 1 exit status make[2]: *** [test_package] Error 1 make[1]: *** [CMakeFiles/test_package.dir/all] Error 2 make: *** [all] Error 2 libprotobuf-mutator/cci.20210831 (test package): WARN: Using the new toolchains and generators without specifying a build profile (e.g: -pr:b=default) is discouraged and might cause failures and unexpected behavior libprotobuf-mutator/cci.20210831 (test package): WARN: Using the new toolchains and generators without specifying a build profile (e.g: -pr:b=default) is discouraged and might cause failures and unexpected behavior ERROR: libprotobuf-mutator/cci.20210831 (test package): Error in build() method, line 21 cmake.build() ConanException: Error 2 while executing cmake --build "/home/conan/w/prod-v1/bsr/cci-4f990833/recipes/libprotobuf-mutator/all/test_package/build/Debug" '--' '-j3'