https://github.com/Kitware/CMake/blob/master/Modules/FindProtobuf.cmake
Lines 78-79
On Thursday, February 20, 2020 at 5:08:42 AM UTC+7, Ryan Goodman wrote:
>
> Ok, when I use g++, gcc and build my application I link the protbuf
> library using this cmake function.
>
> find_package(Protobuf REQUIRED)
>
> function(missionGenerateProtobuf PROTOBUF_TARGET_NAME MSG_FILES)
> PROTOBUF_GENERATE_CPP(ProtoSources ProtoHeaders ${MSG_FILES})
> add_library(${PROTOBUF_TARGET_NAME} STATIC ${ProtoSources}
> ${ProtoHeaders})
> target_link_libraries(${PROTOBUF_TARGET_NAME} ${PROTOBUF_LIBRARY})
> endfunction(missionGenerateProtobuf PROTOBUF_TARGET_NAME MSG_FILES)
>
> I do not get this fatal error: google/protobuf/port_def.inc: No such file
> or directory #include <google/protobuf/port_def.inc> during cross
> compiling an application message.
>
> However the application I am building is ultimately going to be run on an
> arm SBC. I use a cmake toolchain file, and try to compile in a different
> build directory, and then I get the error.
>
> How do I set up protobuf in cmake for cross compiling? I have not been
> able to find anything on the internet, and I know it has to be possible. Do
> I need to cross-compile the protoc compiler first, and then use that
> cross-compile the application?
>
> Thank you for your help.
>
>
>
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