[protobuf] Re: Creating Static C++ Library with Protobuf messages to be reused accross projects

2020-04-13 Thread Mayron Reis 

has anyone found any solution to this problem?

Em quarta-feira, 21 de março de 2018 15:13:47 UTC-3, 
c.co...@axis-canada.com escreveu:
>
> Hi,
>
> I am trying to create a static lib with the message definitions to be 
> share across multiple CMake projects. At the moment, I have:
>
>- A Conan.io package with *protobuf *pre-comiled into static libs.
>- A *CommonDefinitions* project (with a dependency to the *protobuf* 
>package)
>   - From which I create a *CommonDefinitions* conan.io package 
>   containing the CommonDefinitions static library
>   - Project include a test Executable which uses the static library
>- A *EndUser* project (with a dependency to the *CommonDefinitions* 
>package and the *protobuf* package)
>
> Now, the test executable of the *CommonDefiniitons* project works as 
> expected and has access to the CommonDefinitions messages. However, the 
> *EndUser* project is not able to link, it complains about missing 
> references to protobuf static libraries, even though I also include the 
> protobuf package in the *EndUser* target_link_libraries project as well.
>
> Does anyone have an idea or had a similar problem?
>
> Thanks
>
> Here are the linker traces:
>
> /home/toto/.conan/data/system-definitions/0.0/axis/stable/package/9755f981ac44041fa0948f05e49abfa3d3346131/lib/libsystem-definitions.a(test.pb.cc.o):
>  
> In function `protobuf_test_2eproto::protobuf_AssignDescriptors()':
> /home/toto/gitlab/system/system-definitions/build-debug/Definitions/
> test.pb.cc:79: undefined reference to 
> `google::protobuf::internal::AssignDescriptors(std::__cxx11::basic_string  
> std::char_traits, std::allocator > const&, 
> google::protobuf::internal::MigrationSchema const*, 
> google::protobuf::Message const* const*, unsigned int const*, 
> google::protobuf::MessageFactory*, google::protobuf::Metadata*, 
> google::protobuf::EnumDescriptor const**, 
> google::protobuf::ServiceDescriptor const**)'
> /home/toto/.conan/data/system-definitions/0.0/axis/stable/package/9755f981ac44041fa0948f05e49abfa3d3346131/lib/libsystem-definitions.a(test.pb.cc.o):
>  
> In function 
> `protobuf_test_2eproto::protobuf_RegisterTypes(std::__cxx11::basic_string  
> std::char_traits, std::allocator > const&)':
> /home/toto/gitlab/system/system-definitions/build-debug/Definitions/
> test.pb.cc:90: undefined reference to 
> `google::protobuf::internal::RegisterAllTypes(google::protobuf::Metadata 
> const*, int)'
> /home/toto/.conan/data/system-definitions/0.0/axis/stable/package/9755f981ac44041fa0948f05e49abfa3d3346131/lib/libsystem-definitions.a(test.pb.cc.o):
>  
> In function `protobuf_test_2eproto::AddDescriptorsImpl()':
> /home/toto/gitlab/system/system-definitions/build-debug/Definitions/
> test.pb.cc:101: undefined reference to 
> `google::protobuf::DescriptorPool::InternalAddGeneratedFile(void const*, 
> int)'
> /home/toto/gitlab/system/system-definitions/build-debug/Definitions/
> test.pb.cc:103: undefined reference to 
> `google::protobuf::MessageFactory::InternalRegisterGeneratedFile(char 
> const*, void (*)(std::__cxx11::basic_string, 
> std::allocator > const&))'
> /home/toto/.conan/data/system-definitions/0.0/axis/stable/package/9755f981ac44041fa0948f05e49abfa3d3346131/lib/libsystem-definitions.a(test.pb.cc.o):
>  
> In function 
> `axis::system::test::TestData::MergePartialFromCodedStream(google::protobuf::io::CodedInputStream*)':
> /home/toto/gitlab/system/system-definitions/build-debug/Definitions/
> test.pb.cc:251: undefined reference to 
> `google::protobuf::internal::WireFormat::SkipField(google::protobuf::io::CodedInputStream*,
>  
> unsigned int, google::protobuf::UnknownFieldSet*)'
> /home/toto/.conan/data/system-definitions/0.0/axis/stable/package/9755f981ac44041fa0948f05e49abfa3d3346131/lib/libsystem-definitions.a(test.pb.cc.o):
>  
> In function 
> `axis::system::test::TestData::SerializeWithCachedSizes(google::protobuf::io::CodedOutputStream*)
>  
> const':
> /home/toto/gitlab/system/system-definitions/build-debug/Definitions/
> test.pb.cc:294: undefined reference to 
> `google::protobuf::internal::WireFormat::SerializeUnknownFields(google::protobuf::UnknownFieldSet
>  
> const&, google::protobuf::io::CodedOutputStream*)'
> /home/toto/.conan/data/system-definitions/0.0/axis/stable/package/9755f981ac44041fa0948f05e49abfa3d3346131/lib/libsystem-definitions.a(test.pb.cc.o):
>  
> In function 
> `axis::system::test::TestData::InternalSerializeWithCachedSizesToArray(bool, 
> unsigned char*) const':
> /home/toto/gitlab/system/system-definitions/build-debug/Definitions/
> test.pb.cc:330: undefined reference to 
> `google::protobuf::internal::WireFormat::SerializeUnknownFieldsToArray(google::protobuf::UnknownFieldSet
>  
> const&, unsigned char*)'
> /home/toto/.conan/data/system-definitions/0.0/axis/stable/package/9755f981ac44041fa0948f05e49abfa3d3346131/lib/libsystem-definitions.a(test.pb.cc.o):
>  
> In function `axis::system::test::TestData::ByteSizeLong() const':
>

[protobuf] Re: Creating Static C++ Library with Protobuf messages to be reused accross projects

2019-02-17 Thread doron atuar 
Hey, 
I'm struggling with a similar problem.
were you able to solve it?

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[protobuf] Re: Creating Static C++ Library with Protobuf messages to be reused accross projects

2018-03-22 Thread Edward Clark 
Perhaps look at the link command and see if it includes the protobuf 
libraries as you expect, or post it here.

On Wednesday, March 21, 2018 at 2:13:47 PM UTC-4, c.co...@axis-canada.com 
wrote:
>
> Hi,
>
> I am trying to create a static lib with the message definitions to be 
> share across multiple CMake projects. At the moment, I have:
>
>- A Conan.io package with *protobuf *pre-comiled into static libs.
>- A *CommonDefinitions* project (with a dependency to the *protobuf* 
>package)
>   - From which I create a *CommonDefinitions* conan.io package 
>   containing the CommonDefinitions static library
>   - Project include a test Executable which uses the static library
>- A *EndUser* project (with a dependency to the *CommonDefinitions* 
>package and the *protobuf* package)
>
> Now, the test executable of the *CommonDefiniitons* project works as 
> expected and has access to the CommonDefinitions messages. However, the 
> *EndUser* project is not able to link, it complains about missing 
> references to protobuf static libraries, even though I also include the 
> protobuf package in the *EndUser* target_link_libraries project as well.
>
> Does anyone have an idea or had a similar problem?
>
> Thanks
>
> Here are the linker traces:
>
> /home/toto/.conan/data/system-definitions/0.0/axis/stable/package/9755f981ac44041fa0948f05e49abfa3d3346131/lib/libsystem-definitions.a(test.pb.cc.o):
>  
> In function `protobuf_test_2eproto::protobuf_AssignDescriptors()':
> /home/toto/gitlab/system/system-definitions/build-debug/Definitions/
> test.pb.cc:79: undefined reference to 
> `google::protobuf::internal::AssignDescriptors(std::__cxx11::basic_string  
> std::char_traits, std::allocator > const&, 
> google::protobuf::internal::MigrationSchema const*, 
> google::protobuf::Message const* const*, unsigned int const*, 
> google::protobuf::MessageFactory*, google::protobuf::Metadata*, 
> google::protobuf::EnumDescriptor const**, 
> google::protobuf::ServiceDescriptor const**)'
> /home/toto/.conan/data/system-definitions/0.0/axis/stable/package/9755f981ac44041fa0948f05e49abfa3d3346131/lib/libsystem-definitions.a(test.pb.cc.o):
>  
> In function 
> `protobuf_test_2eproto::protobuf_RegisterTypes(std::__cxx11::basic_string  
> std::char_traits, std::allocator > const&)':
> /home/toto/gitlab/system/system-definitions/build-debug/Definitions/
> test.pb.cc:90: undefined reference to 
> `google::protobuf::internal::RegisterAllTypes(google::protobuf::Metadata 
> const*, int)'
> /home/toto/.conan/data/system-definitions/0.0/axis/stable/package/9755f981ac44041fa0948f05e49abfa3d3346131/lib/libsystem-definitions.a(test.pb.cc.o):
>  
> In function `protobuf_test_2eproto::AddDescriptorsImpl()':
> /home/toto/gitlab/system/system-definitions/build-debug/Definitions/
> test.pb.cc:101: undefined reference to 
> `google::protobuf::DescriptorPool::InternalAddGeneratedFile(void const*, 
> int)'
> /home/toto/gitlab/system/system-definitions/build-debug/Definitions/
> test.pb.cc:103: undefined reference to 
> `google::protobuf::MessageFactory::InternalRegisterGeneratedFile(char 
> const*, void (*)(std::__cxx11::basic_string std::allocator > const&))'
> /home/toto/.conan/data/system-definitions/0.0/axis/stable/package/9755f981ac44041fa0948f05e49abfa3d3346131/lib/libsystem-definitions.a(test.pb.cc.o):
>  
> In function 
> `axis::system::test::TestData::MergePartialFromCodedStream(google::protobuf::io::CodedInputStream*)':
> /home/toto/gitlab/system/system-definitions/build-debug/Definitions/
> test.pb.cc:251: undefined reference to 
> `google::protobuf::internal::WireFormat::SkipField(google::protobuf::io::CodedInputStream*,
>  
> unsigned int, google::protobuf::UnknownFieldSet*)'
> /home/toto/.conan/data/system-definitions/0.0/axis/stable/package/9755f981ac44041fa0948f05e49abfa3d3346131/lib/libsystem-definitions.a(test.pb.cc.o):
>  
> In function 
> `axis::system::test::TestData::SerializeWithCachedSizes(google::protobuf::io::CodedOutputStream*)
>  
> const':
> /home/toto/gitlab/system/system-definitions/build-debug/Definitions/
> test.pb.cc:294: undefined reference to 
> `google::protobuf::internal::WireFormat::SerializeUnknownFields(google::protobuf::UnknownFieldSet
>  
> const&, google::protobuf::io::CodedOutputStream*)'
> /home/toto/.conan/data/system-definitions/0.0/axis/stable/package/9755f981ac44041fa0948f05e49abfa3d3346131/lib/libsystem-definitions.a(test.pb.cc.o):
>  
> In function 
> `axis::system::test::TestData::InternalSerializeWithCachedSizesToArray(bool, 
> unsigned char*) const':
> /home/toto/gitlab/system/system-definitions/build-debug/Definitions/
> test.pb.cc:330: undefined reference to 
> `google::protobuf::internal::WireFormat::SerializeUnknownFieldsToArray(google::protobuf::UnknownFieldSet
>  
> const&, unsigned char*)'
>