Building protobuf 27.0 with emcc yields errors

[adokhugi]

What version of protobuf and what language are you using?
Version: 27.0
Language: C++

What operating system (Linux, Windows, ...) and version?
Windows 11

What runtime / compiler are you using (e.g., python version or gcc version)
emcc

What did you do?
Steps to reproduce the behavior:

1. git clone
2. emcmake cmake
3. emmake make

What did you expect to see
It should have built protobuf without errors.

What did you see instead?
[ 52%] Building CXX object CMakeFiles/protoc-gen-upb.dir/upb_generator/common.cc.o
[ 52%] Building CXX object CMakeFiles/protoc-gen-upb.dir/upb_generator/file_layout.cc.o
[ 52%] Building CXX object CMakeFiles/protoc-gen-upb.dir/upb_generator/mangle.cc.o
[ 52%] Building CXX object CMakeFiles/protoc-gen-upb.dir/upb_generator/names.cc.o
[ 52%] Building CXX object CMakeFiles/protoc-gen-upb.dir/upb_generator/protoc-gen-upb.cc.o
[ 52%] Building C object CMakeFiles/protoc-gen-upb.dir/upb_generator/cmake/google/protobuf/compiler/plugin.upb_minitable.c.o
[ 52%] Linking CXX executable protoc-gen-upb.js
wasm-ld: error: CMakeFiles/protoc-gen-upb.dir/upb_generator/common.cc.o: undefined symbol: absl::lts_20240116::string_view::rfind(char, unsigned long) const
wasm-ld: error: CMakeFiles/protoc-gen-upb.dir/upb_generator/common.cc.o: undefined symbol: absl::lts_20240116::StrReplaceAll(absl::lts_20240116::string_view, std::initializer_list<std::__2::pair<absl::lts_20240116::string_view, absl::lts_20240116::string_view>>)
wasm-ld: error: CMakeFiles/protoc-gen-upb.dir/upb_generator/common.cc.o: undefined symbol: absl::lts_20240116::string_view::find_first_not_of(char, unsigned long) const
wasm-ld: error: CMakeFiles/protoc-gen-upb.dir/upb_generator/common.cc.o: undefined symbol: absl::lts_20240116::StrReplaceAll(absl::lts_20240116::string_view, std::initializer_list<std::__2::pair<absl::lts_20240116::string_view, absl::lts_20240116::string_view>>)
wasm-ld: error: CMakeFiles/protoc-gen-upb.dir/upb_generator/common.cc.o: undefined symbol: absl::lts_20240116::substitute_internal::SubstituteAndAppendArray(std::__2::basic_string<char, std::__2::char_traits, std::__2::allocator>, absl::lts_20240116::string_view, absl::lts_20240116::string_view const, unsigned long)
wasm-ld: error: CMakeFiles/protoc-gen-upb.dir/upb_generator/common.cc.o: undefined symbol: absl::lts_20240116::substitute_internal::SubstituteAndAppendArray(std::__2::basic_string<char, std::__2::char_traits, std::__2::allocator>, absl::lts_20240116::string_view, absl::lts_20240116::string_view const, unsigned long)
wasm-ld: error: CMakeFiles/protoc-gen-upb.dir/upb_generator/common.cc.o: undefined symbol: absl::lts_20240116::substitute_internal::SubstituteAndAppendArray(std::__2::basic_string<char, std::__2::char_traits, std::__2::allocator>, absl::lts_20240116::string_view, absl::lts_20240116::string_view const, unsigned long)
wasm-ld: error: CMakeFiles/protoc-gen-upb.dir/upb_generator/common.cc.o: undefined symbol: absl::lts_20240116::StrReplaceAll(absl::lts_20240116::string_view, std::initializer_list<std::__2::pair<absl::lts_20240116::string_view, absl::lts_20240116::string_view>>)
wasm-ld: error: CMakeFiles/protoc-gen-upb.dir/upb_generator/protoc-gen-upb.cc.o: undefined symbol: absl::lts_20240116::log_internal::LogMessage::operator<<(absl::lts_20240116::string_view)
wasm-ld: error: CMakeFiles/protoc-gen-upb.dir/upb_generator/protoc-gen-upb.cc.o: undefined symbol: void absl::lts_20240116::log_internal::LogMessage::CopyToEncodedBuffer<(absl::lts_20240116::log_internal::LogMessage::StringType)0>(absl::lts_20240116::string_view)
wasm-ld: error: CMakeFiles/protoc-gen-upb.dir/upb_generator/protoc-gen-upb.cc.o: undefined symbol: absl::lts_20240116::string_view::find(char, unsigned long) const
wasm-ld: error: CMakeFiles/protoc-gen-upb.dir/upb_generator/protoc-gen-upb.cc.o: undefined symbol: absl::lts_20240116::ByChar::Find(absl::lts_20240116::string_view, unsigned long) const
wasm-ld: error: CMakeFiles/protoc-gen-upb.dir/upb_generator/protoc-gen-upb.cc.o: undefined symbol: void absl::lts_20240116::log_internal::LogMessage::CopyToEncodedBuffer<(absl::lts_20240116::log_internal::LogMessage::StringType)0>(absl::lts_20240116::string_view)
wasm-ld: error: CMakeFiles/protoc-gen-upb.dir/upb_generator/protoc-gen-upb.cc.o: undefined symbol: void absl::lts_20240116::log_internal::LogMessage::CopyToEncodedBuffer<(absl::lts_20240116::log_internal::LogMessage::StringType)0>(absl::lts_20240116::string_view)
wasm-ld: error: CMakeFiles/protoc-gen-upb.dir/upb_generator/protoc-gen-upb.cc.o: undefined symbol: void absl::lts_20240116::log_internal::LogMessage::CopyToEncodedBuffer<(absl::lts_20240116::log_internal::LogMessage::StringType)0>(absl::lts_20240116::string_view)
wasm-ld: error: CMakeFiles/protoc-gen-upb.dir/upb_generator/protoc-gen-upb.cc.o: undefined symbol: void absl::lts_20240116::log_internal::LogMessage::CopyToEncodedBuffer<(absl::lts_20240116::log_internal::LogMessage::StringType)0>(absl::lts_20240116::string_view)
wasm-ld: error: CMakeFiles/protoc-gen-upb.dir/upb_generator/protoc-gen-upb.cc.o: undefined symbol: absl::lts_20240116::CEscape(absl::lts_20240116::string_view)
wasm-ld: error: CMakeFiles/protoc-gen-upb.dir/upb_generator/common.cc.o: undefined symbol: absl::lts_20240116::substitute_internal::SubstituteAndAppendArray(std::__2::basic_string<char, std::__2::char_traits, std::__2::allocator>, absl::lts_20240116::string_view, absl::lts_20240116::string_view const, unsigned long)
wasm-ld: error: CMakeFiles/protoc-gen-upb.dir/upb_generator/names.cc.o: undefined symbol: absl::lts_20240116::log_internal::LogMessageFatal::LogMessageFatal(char const*, int, absl::lts_20240116::string_view)
wasm-ld: error: CMakeFiles/protoc-gen-upb.dir/upb_generator/common.cc.o: undefined symbol: absl::lts_20240116::substitute_internal::SubstituteAndAppendArray(std::__2::basic_string<char, std::__2::char_traits, std::__2::allocator>, absl::lts_20240116::string_view, absl::lts_20240116::string_view const, unsigned long)
wasm-ld: error: too many errors emitted, stopping now (use -error-limit=0 to see all errors)

[shaod2]

Can you confirm the version? I don't think v27 is released yet

[adokhugi]

I cloned the github repo on April 5th, 2024. Somewhere the number 27 appeared. In any case it is more recent than the latest official release. Am Fr., 5. Apr. 2024 um 17:37 Uhr schrieb Dennis Shao < ***@***.***>:

…

Can you confirm the version? I don't think v27 is released yet — Reply to this email directly, view it on GitHub <#16424 (comment)>, or unsubscribe <https://github.com/notifications/unsubscribe-auth/ALYK4YFKWQS3NN54S2BALUTY33ANBAVCNFSM6AAAAABFYUQXE2VHI2DSMVQWIX3LMV43OSLTON2WKQ3PNVWWK3TUHMZDANBQGEYTKMBSGI> . You are receiving this because you authored the thread.Message ID: ***@***.***>

-- Dipl.-Ing. Dr. Claus D. Volko, BSc http://www.cdvolko.net/