Le mer. 30 mai 2018 à 15:12, Brad King <brad.k...@kitware.com> a écrit :
> On 05/29/2018 04:00 PM, Alexander Neundorf wrote: > >> In order to handle implicit dependencies like that implied by > >> > >> import "MyBase.proto"; > >> > >> then they would somehow need to be extracted from source content. > > > > Would that have to be implemented similar to the C dependency scanning ? > > Yes, but even better would be if we can ask protoc to print the > dependencies > out for us so we don't have to parse the sources ourselves. > protoc can already do something like that but it spits out a makefile includable file. see --dependency_out=FILE option. Write a dependency output file in the format expected by make. This writes the transitive set of input file paths to FILE moreover the generated makefile depends on the langage generator used (--cpp_out, --java_out, --python_out, ...) because dependencies are expressed between proto and generated source files. May be it would be possible to write a protoc "plugin" https://www.expobrain.net/2015/09/13/create-a-plugin-for-google-protocol-buffer/ which would spit out easy to digest dep spec for CMake. Unfortunately I'm not volunteering :-( just giving some idea. > > so the cheap solution would be to add an argument to > PROTOBUF_GENERATE_CPP() > > to list proto-files these proto-files depend on > > Yes, that would be a good intermediate solution. > > -Brad > -- > > Powered by www.kitware.com > > Please keep messages on-topic and check the CMake FAQ at: > http://www.cmake.org/Wiki/CMake_FAQ > > Kitware offers various services to support the CMake community. For more > information on each offering, please visit: > > CMake Support: http://cmake.org/cmake/help/support.html > CMake Consulting: http://cmake.org/cmake/help/consulting.html > CMake Training Courses: http://cmake.org/cmake/help/training.html > > Visit other Kitware open-source projects at > http://www.kitware.com/opensource/opensource.html > > Follow this link to subscribe/unsubscribe: > https://cmake.org/mailman/listinfo/cmake-developers > -- Eric
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