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.
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