We currently get around this limitation by forcing the the header to
be included using compiler command line flags:

Windows: /FIproject/Config.h
Linux: -include project/Config.h

-Aron


On Tue, Sep 22, 2009 at 11:37 AM, Kenton Varda <ken...@google.com> wrote:
> If you invoke protoc like:
>   protoc --cpp_out=dllexport_decl=MY_EXPORT_MACRO:path/to/output/dir
> myproto.proto
> then it will generate code with MY_EXPORT_MACRO in all the right places.
>  However, this option is incomplete -- currently there is no way to force
> the generated .pb.h to #include a header which defines MY_EXPORT_MACRO.  I'm
> open to patches to fix this.  Or, you could use a hack to work around it,
> such as adding the #include via some sort of text processing after protoc
> finishes, or perhaps moving the .pb.h to .pb2.h and replacing the .pb.h file
> with one that first includes your header then includes the .pb2.h...
>
> On Tue, Sep 22, 2009 at 1:14 AM, Carlo Medas <carlome...@gmail.com> wrote:
>>
>> Dears,
>>
>> we have a rpc.proto built inside our core framework, built as a DLL.
>>
>> Other protos contain extension to base message defined in rpc.proto,
>> and they are built in separate and different executables.
>>
>> The MSVC linker compains for error since the RpcMessage class (defined
>> in rpc.proto) and related extension factory methods are not declared
>> with __declspec(dllexport) option when built in the DLL.
>>
>> Is there an option in the protoc compiler to make it generate the
>> dllexport/dllimport options, exactly as you did for your Message base
>> class with macro LIBPROTOBUF_EXPORT?
>>
>> Thanks in advance and keep up the amazing work,
>>
>> Carlo Medas
>>
>
>
> >
>

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