Kenta Murata created ARROW-7037: ----------------------------------- Summary: [C++ ] Compile error on the combination of protobuf >= 3.9 and clang Key: ARROW-7037 URL: https://issues.apache.org/jira/browse/ARROW-7037 Project: Apache Arrow Issue Type: Task Components: C++ Reporter: Kenta Murata Assignee: Kenta Murata
I encountered the following compile error on the combination of protobuf 3.10.0 and clang (Xcode 11). {noformat} [13/26] Building CXX object c++/src/CMakeFiles/orc.dir/wrap/orc-proto-wrapper.cc.o FAILED: c++/src/CMakeFiles/orc.dir/wrap/orc-proto-wrapper.cc.o /Applications/Xcode_11.1.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/c++ -Ic++/include -I/Users/mrkn/src/github.com/apache/arrow/cpp/build.debug/orc_ep-prefix/src/orc_ep/c++/include -I/Users/mrkn/src/github.com/apache/arrow/cpp/build.debug/orc_ep-prefix/src/orc_ep/c++/src -Ic++/src -isystem c++/libs/thirdparty/zlib_ep-install/include -isystem c++/libs/thirdparty/lz4_ep-install/include -Qunused-arguments -fcolor-diagnostics -ggdb -O0 -g -fPIC -Wno-zero-as-null-pointer-constant -Wno-inconsistent-missing-destructor-override -Wno-error=undef -std=c++11 -Weverything -Wno-c++98-compat -Wno-missing-prototypes -Wno-c++98-compat-pedantic -Wno-padded -Wno-covered-switch-default -Wno-missing-noreturn -Wno-unknown-pragmas -Wno-gnu-zero-variadic-macro-arguments -Wconversion -Wno-c++2a-compat -Werror -std=c++11 -Weverything -Wno-c++98-compat -Wno-missing-prototypes -Wno-c++98-compat-pedantic -Wno-padded -Wno-covered-switch-default -Wno-missing-noreturn -Wno-unknown-pragmas -Wno-gnu-zero-variadic-macro-arguments -Wconversion -Wno-c++2a-compat -Werror -O0 -g -MD -MT c++/src/CMakeFiles/orc.dir/wrap/orc-proto-wrapper.cc.o -MF c++/src/CMakeFiles/orc.dir/wrap/orc-proto-wrapper.cc.o.d -o c++/src/CMakeFiles/orc.dir/wrap/orc-proto-wrapper.cc.o -c /Users/mrkn/src/github.com/apache/arrow/cpp/build.debug/orc_ep-prefix/src/orc_ep/c++/src/wrap/orc-proto-wrapper.cc In file included from /Users/mrkn/src/github.com/apache/arrow/cpp/build.debug/orc_ep-prefix/src/orc_ep/c++/src/wrap/orc-proto-wrapper.cc:44: c++/src/orc_proto.pb.cc:959:145: error: possible misuse of comma operator here [-Werror,-Wcomma] static bool dynamic_init_dummy_orc_5fproto_2eproto = ( ::PROTOBUF_NAMESPACE_ID::internal::AddDescriptors(&descriptor_table_orc_5fproto_2eproto), true); ^ c++/src/orc_proto.pb.cc:959:57: note: cast expression to void to silence warning static bool dynamic_init_dummy_orc_5fproto_2eproto = ( ::PROTOBUF_NAMESPACE_ID::internal::AddDescriptors(&descriptor_table_orc_5fproto_2eproto), true); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ static_cast<void>( ) 1 error generated. {noformat} This may be due to a bug of protobuf filed as https://github.com/protocolbuffers/protobuf/issues/6619. -- This message was sent by Atlassian Jira (v8.3.4#803005)