ubxtool fails to link on FreeBSD 14.1

[jeffpc]

Apparently, -lprotobuf doesn't pull in abseil libs. Some of the below can be hacked around by explicitly linking against some of the abseil libs, but I'm not sure about one of them.

c++ -std=gnu++17 navmon.pb.o ubxtool.o ubx.o bits.o ext/fmt-9.1.0/src/format.o galileo.o gps.o beidou.o navmon.o ephemeris.o ext/powerblog/ext/simplesocket/swrappers.o ext/powerblog/ext/simplesocket/sclasses.o ext/powerblog/ext/simplesocket/comboaddress.o osen.o githash.o nmmsender.o zstdwrap.o -o ubxtool -L/usr/local/lib -lprotobuf -pthread -lzstd
ld: error: undefined symbol: absl::lts_20230125::log_internal::LogMessageFatal::LogMessageFatal(char const*, int, std::__1::basic_string_view<char, std::__1::char_traits<char>>)
>>> referenced by navmon.pb.cc:1794
>>>               navmon.pb.o:(NavMonMessage_GalileoInav::MergeImpl(google::protobuf::Message&, google::protobuf::Message const&))
>>> referenced by navmon.pb.cc:2189
>>>               navmon.pb.o:(NavMonMessage_GalileoFnav::MergeImpl(google::protobuf::Message&, google::protobuf::Message const&))
>>> referenced by navmon.pb.cc:2553
>>>               navmon.pb.o:(NavMonMessage_GalileoCnav::MergeImpl(google::protobuf::Message&, google::protobuf::Message const&))
>>> referenced 63 more times

ld: error: undefined symbol: absl::lts_20230125::log_internal::LogMessageFatal::~LogMessageFatal()
>>> referenced by navmon.pb.cc:1794
>>>               navmon.pb.o:(NavMonMessage_GalileoInav::MergeImpl(google::protobuf::Message&, google::protobuf::Message const&))
>>> referenced by navmon.pb.cc:1794
>>>               navmon.pb.o:(NavMonMessage_GalileoInav::MergeImpl(google::protobuf::Message&, google::protobuf::Message const&))
>>> referenced by navmon.pb.cc:2189
>>>               navmon.pb.o:(NavMonMessage_GalileoFnav::MergeImpl(google::protobuf::Message&, google::protobuf::Message const&))
>>> referenced 122 more times

ld: error: undefined symbol: std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char>>* absl::lts_20230125::log_internal::MakeCheckOpString<void const*, void const*>(void const*, void const*, char const*)
>>> referenced by check_op.h:337 (/usr/local/include/absl/log/internal/check_op.h:337)
>>>               navmon.pb.o:(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char>>* absl::lts_20230125::log_internal::Check_NEImpl<NavMonMessage_GalileoInav const*, NavMonMessage_GalileoInav*>(NavMonMessage_GalileoInav const* const&, NavMonMessage_GalileoInav* const&, char const*))
>>> referenced by check_op.h:337 (/usr/local/include/absl/log/internal/check_op.h:337)
>>>               navmon.pb.o:(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char>>* absl::lts_20230125::log_internal::Check_NEImpl<NavMonMessage_GalileoFnav const*, NavMonMessage_GalileoFnav*>(NavMonMessage_GalileoFnav const* const&, NavMonMessage_GalileoFnav* const&, char const*))
>>> referenced by check_op.h:337 (/usr/local/include/absl/log/internal/check_op.h:337)
>>>               navmon.pb.o:(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char>>* absl::lts_20230125::log_internal::Check_NEImpl<NavMonMessage_GalileoCnav const*, NavMonMessage_GalileoCnav*>(NavMonMessage_GalileoCnav const* const&, NavMonMessage_GalileoCnav* const&, char const*))
>>> referenced 18 more times

ld: error: undefined symbol: absl::lts_20230125::log_internal::LogMessage::CopyToEncodedBuffer(std::__1::basic_string_view<char, std::__1::char_traits<char>>, absl::lts_20230125::log_internal::LogMessage::StringType)
>>> referenced by log_message.h:295 (/usr/local/include/absl/log/internal/log_message.h:295)
>>>               navmon.pb.o:(absl::lts_20230125::log_internal::LogMessage& absl::lts_20230125::log_internal::LogMessage::operator<<<19>(char const (&) [19]))

ld: error: undefined symbol: absl::lts_20230125::log_internal::LogMessage& absl::lts_20230125::log_internal::LogMessage::operator<<<unsigned long, 0>(unsigned long const&)
>>> referenced by log_message.h:120 (/usr/local/include/absl/log/internal/log_message.h:120)
>>>               navmon.pb.o:(absl::lts_20230125::log_internal::LogMessage::operator<<(unsigned long))

ld: error: undefined symbol: absl::lts_20230125::log_internal::CheckOpMessageBuilder::CheckOpMessageBuilder(char const*)
>>> referenced by check_op.h:292 (/usr/local/include/absl/log/internal/check_op.h:292)
>>>               navmon.pb.o:(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char>>* absl::lts_20230125::log_internal::MakeCheckOpString<unsigned long, long>(unsigned long, long, char const*))

ld: error: undefined symbol: absl::lts_20230125::log_internal::CheckOpMessageBuilder::ForVar2()
>>> referenced by check_op.h:294 (/usr/local/include/absl/log/internal/check_op.h:294)
>>>               navmon.pb.o:(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char>>* absl::lts_20230125::log_internal::MakeCheckOpString<unsigned long, long>(unsigned long, long, char const*))

ld: error: undefined symbol: absl::lts_20230125::log_internal::CheckOpMessageBuilder::NewString()
>>> referenced by check_op.h:295 (/usr/local/include/absl/log/internal/check_op.h:295)
>>>               navmon.pb.o:(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char>>* absl::lts_20230125::log_internal::MakeCheckOpString<unsigned long, long>(unsigned long, long, char const*))

ld: error: undefined symbol: std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char>>* absl::lts_20230125::log_internal::MakeCheckOpString<long, long>(long, long, char const*)
>>> referenced by check_op.h:340 (/usr/local/include/absl/log/internal/check_op.h:340)
>>>               navmon.pb.o:(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char>>* absl::lts_20230125::log_internal::Check_GEImpl<int, int>(int const&, int const&, char const*))
>>> referenced by check_op.h:341 (/usr/local/include/absl/log/internal/check_op.h:341)
>>>               navmon.pb.o:(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char>>* absl::lts_20230125::log_internal::Check_GTImpl<int, int>(int const&, int const&, char const*))
>>> referenced by check_op.h:339 (/usr/local/include/absl/log/internal/check_op.h:339)
>>>               navmon.pb.o:(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char>>* absl::lts_20230125::log_internal::Check_LTImpl<int, int>(int const&, int const&, char const*))
c++: error: linker command failed with exit code 1 (use -v to see invocation)

The hack/workaround:

diff --git a/Makefile b/Makefile
index 8afa6ef..cad9277 100644
--- a/Makefile
+++ b/Makefile
@@ -134,7 +134,8 @@ rtcmtool: rtcmtool.o navmon.pb.o githash.o ${FMT}/src/format.o  bits.o nmmsender
 
 
 ubxtool: navmon.pb.o ubxtool.o ubx.o bits.o ${FMT}/src/format.o galileo.o  gps.o beidou.o navmon.o ephemeris.o $(SIMPLESOCKETS) osen.o githash.o nmmsender.o zstdwrap.o 
-       $(CXX) -std=gnu++17 $^ -o $@ -L/usr/local/lib -lprotobuf -pthread -lzstd
+       $(CXX) -std=gnu++17 $^ -o $@ -L/usr/local/lib -lprotobuf -pthread -lzstd \
+               -labsl_log_internal_message -labsl_log_internal_check_op
 
 septool: navmon.pb.o septool.o bits.o ${FMT}/src/format.o galileo.o  gps.o beidou.o navmon.o ephemeris.o $(SIMPLESOCKETS) osen.o githash.o nmmsender.o zstdwrap.o 
        $(CXX) -std=gnu++17 $^ -o $@ -L/usr/local/lib -lprotobuf -pthread -lzstd

[jeffpc]

Even when I link against all abseil libs, I still have one missing symbol:

ld: error: undefined symbol: absl::lts_20230125::log_internal::LogMessage& absl::lts_20230125::log_internal::LogMessage::operator<<<unsigned long, 0>(unsigned long const&)
>>> referenced by log_message.h:120 (/usr/local/include/absl/log/internal/log_message.h:120)
>>>               navmon.pb.o:(absl::lts_20230125::log_internal::LogMessage::operator<<(unsigned long))

The excessively long list of libs:

c++ -std=gnu++17 navmon.pb.o ubxtool.o ubx.o bits.o ext/fmt-9.1.0/src/format.o galileo.o gps.o beidou.o navmon.o ephemeris.o ext/powerblog/ext/simplesocket/swrappers.o ext/powerblog/ext/simplesocket/sclasses.o ext/powerblog/ext/simplesocket/comboaddress.o osen.o githash.o nmmsender.o zstdwrap.o -o ubxtool -L/usr/local/lib -lprotobuf -pthread -lzstd \
	-labsl_hashtablez_sampler -labsl_crc_cpu_detect -labsl_log_internal_log_sink_set -labsl_flags_usage -labsl_low_level_hash -labsl_log_flags -labsl_flags_marshalling -labsl_log_globals -labsl_die_if_null -labsl_base -labsl_log_initialize -labsl_throw_delegate -labsl_log_internal_proto -labsl_symbolize -labsl_raw_logging_internal -labsl_periodic_sampler -labsl_examine_stack -labsl_log_internal_format -labsl_raw_hash_set -labsl_random_internal_randen_slow -labsl_cordz_info -labsl_bad_variant_access -labsl_random_seed_sequences -labsl_spinlock_wait -labsl_log_internal_globals -labsl_synchronization -labsl_flags_usage_internal -labsl_flags_program_name -labsl_hash -labsl_log_internal_conditions -labsl_log_entry -labsl_scoped_set_env -labsl_crc_internal -labsl_flags_private_handle_accessor -labsl_log_sink -labsl_flags_reflection -labsl_log_internal_check_op -labsl_cordz_handle -labsl_flags_internal -labsl_stacktrace -labsl_random_internal_randen_hwaes_impl -labsl_strings_internal -labsl_cord -labsl_random_internal_distribution_test_util -labsl_int128 -labsl_bad_any_cast_impl -labsl_leak_check -labsl_debugging_internal -labsl_exponential_biased -labsl_strerror -labsl_flags_config -labsl_cordz_sample_token -labsl_time_zone -labsl_str_format_internal -labsl_flags_commandlineflag_internal -labsl_crc32c -labsl_status -labsl_civil_time -labsl_random_seed_gen_exception -labsl_random_internal_pool_urbg -labsl_random_internal_platform -labsl_demangle_internal -labsl_graphcycles_internal -labsl_failure_signal_handler -labsl_time -labsl_city -labsl_flags_commandlineflag -labsl_flags -labsl_log_internal_message -labsl_random_internal_seed_material -labsl_random_distributions -labsl_log_severity -labsl_malloc_internal -labsl_random_internal_randen_hwaes -labsl_bad_optional_access -labsl_crc_cord_state -labsl_log_internal_nullguard -labsl_cordz_functions -labsl_cord_internal -labsl_strings -labsl_random_internal_randen -labsl_flags_parse -labsl_statusor

[jeffpc]

I upgraded to FreeBSD 14.2. There is still a linker error, but linking against every libaseil library works around that. Chances are that there is a smaller set of libs that would do, but I don't care enough to figure out the twisty maze of google passages.

diff --git a/Makefile b/Makefile
index 8afa6ef..0d39057 100644
--- a/Makefile
+++ b/Makefile
@@ -134,7 +134,8 @@ rtcmtool: rtcmtool.o navmon.pb.o githash.o ${FMT}/src/format.o  bits.o nmmsender


 ubxtool: navmon.pb.o ubxtool.o ubx.o bits.o ${FMT}/src/format.o galileo.o  gps.o beidou.o navmon.o ephemeris.o $(SIMPLESOCKETS) osen.o githash.o nmmsender.o zstdwrap.o
-       $(CXX) -std=gnu++17 $^ -o $@ -L/usr/local/lib -lprotobuf -pthread -lzstd
+       $(CXX) -std=gnu++17 $^ -o $@ -L/usr/local/lib -lprotobuf -pthread -lzstd \
+               -labsl_hashtablez_sampler -labsl_crc_cpu_detect -labsl_log_internal_log_sink_set -labsl_flags_usage -labsl_low_level_hash -labsl_log_flags -labsl_flags_marshalling -labsl_log_globals -labsl_die_if_null -labsl_base -labsl_log_initialize -labsl_throw_delegate -labsl_log_internal_proto -labsl_symbolize -labsl_raw_logging_internal -labsl_periodic_sampler -labsl_examine_stack -labsl_log_internal_format -labsl_raw_hash_set -labsl_random_internal_randen_slow -labsl_cordz_info -labsl_bad_variant_access -labsl_random_seed_sequences -labsl_spinlock_wait -labsl_log_internal_globals -labsl_synchronization -labsl_flags_usage_internal -labsl_flags_program_name -labsl_hash -labsl_log_internal_conditions -labsl_log_entry -labsl_scoped_set_env -labsl_crc_internal -labsl_flags_private_handle_accessor -labsl_log_sink -labsl_flags_reflection -labsl_log_internal_check_op -labsl_cordz_handle -labsl_flags_internal -labsl_stacktrace -labsl_random_internal_randen_hwaes_impl -labsl_strings_internal -labsl_cord -labsl_random_internal_distribution_test_util -labsl_int128 -labsl_bad_any_cast_impl -labsl_leak_check -labsl_debugging_internal -labsl_exponential_biased -labsl_strerror -labsl_flags_config -labsl_cordz_sample_token -labsl_time_zone -labsl_str_format_internal -labsl_flags_commandlineflag_internal -labsl_crc32c -labsl_status -labsl_civil_time -labsl_random_seed_gen_exception -labsl_random_internal_pool_urbg -labsl_random_internal_platform -labsl_demangle_internal -labsl_graphcycles_internal -labsl_failure_signal_handler -labsl_time -labsl_city -labsl_flags_commandlineflag -labsl_log_internal_message -labsl_random_internal_seed_material -labsl_random_distributions -labsl_log_severity -labsl_malloc_internal -labsl_random_internal_randen_hwaes -labsl_bad_optional_access -labsl_crc_cord_state -labsl_log_internal_nullguard -labsl_cordz_functions -labsl_cord_internal -labsl_strings -labsl_random_internal_randen -labsl_flags_parse -labsl_statusor
 
 septool: navmon.pb.o septool.o bits.o ${FMT}/src/format.o galileo.o  gps.o beidou.o navmon.o ephemeris.o $(SIMPLESOCKETS) osen.o githash.o nmmsender.o zstdwrap.o
        $(CXX) -std=gnu++17 $^ -o $@ -L/usr/local/lib -lprotobuf -pthread -lzstd

[jeffpc]

Still an issue on FreeBSD 15.0 & the same makefile diff from Feb 2025 fixes it.

$ gmake ubxtool
...
c++ -std=gnu++17 navmon.pb.o ubxtool.o ubx.o bits.o galileo.o gps.o beidou.o navmon.o ephemeris.o ext/powerblog/ext/simplesocket/swrappers.o ext/powerblog/ext/simplesocket/sclasses.o ext/powerblog/ext/simplesocket/comboaddress.o osen.o githash.o nmmsender.o zstdwrap.o -o ubxtool -L/usr/local/lib -lprotobuf -pthread -lzstd -lfmt 
ld: error: undefined symbol: char const* absl::lts_20250127::log_internal::MakeCheckOpString<void const*, void const*>(void const*, void const*, char const*)
>>> referenced by check_op.h:422 (/usr/local/include/absl/log/internal/check_op.h:422)
>>>               navmon.pb.o:(NavMonMessage_GalileoInav::MergeImpl(google::protobuf::MessageLite&, google::protobuf::MessageLite const&))
>>> referenced by check_op.h:421 (/usr/local/include/absl/log/internal/check_op.h:421)
>>>               navmon.pb.o:(NavMonMessage_GalileoInav::InternalSwap(NavMonMessage_GalileoInav*))
>>> referenced by check_op.h:422 (/usr/local/include/absl/log/internal/check_op.h:422)
>>>               navmon.pb.o:(NavMonMessage_GalileoFnav::MergeImpl(google::protobuf::MessageLite&, google::protobuf::MessageLite const&))
>>> referenced 30 more times

ld: error: undefined symbol: absl::lts_20250127::log_internal::LogMessageFatal::LogMessageFatal(char const*, int, char const*)
>>> referenced by navmon.pb.cc:1836
>>>               navmon.pb.o:(NavMonMessage_GalileoInav::MergeImpl(google::protobuf::MessageLite&, google::protobuf::MessageLite const&))
>>> referenced by navmon.pb.cc:1904
>>>               navmon.pb.o:(NavMonMessage_GalileoInav::InternalSwap(NavMonMessage_GalileoInav*))
>>> referenced by message_lite.h:475 (/usr/local/include/google/protobuf/message_lite.h:475)
>>>               navmon.pb.o:(NavMonMessage_GalileoInav::GetMetadata() const)
>>> referenced 141 more times

ld: error: undefined symbol: absl::lts_20250127::log_internal::LogMessageFatal::~LogMessageFatal()
>>> referenced by navmon.pb.cc:1836
>>>               navmon.pb.o:(NavMonMessage_GalileoInav::MergeImpl(google::protobuf::MessageLite&, google::protobuf::MessageLite const&))
>>> referenced by navmon.pb.cc:1904
>>>               navmon.pb.o:(NavMonMessage_GalileoInav::InternalSwap(NavMonMessage_GalileoInav*))
>>> referenced by message_lite.h:475 (/usr/local/include/google/protobuf/message_lite.h:475)
>>>               navmon.pb.o:(NavMonMessage_GalileoInav::GetMetadata() const)
>>> referenced 128 more times

ld: error: undefined symbol: char const* absl::lts_20250127::log_internal::MakeCheckOpString<long, long>(long, long, char const*)
>>> referenced by check_op.h:425 (/usr/local/include/absl/log/internal/check_op.h:425)
>>>               navmon.pb.o:(NavMonMessage_TimeOffsetMessage::Clear())
>>> referenced by check_op.h:426 (/usr/local/include/absl/log/internal/check_op.h:426)
>>>               navmon.pb.o:(void google::protobuf::internal::RepeatedPtrFieldBase::ClearNonEmpty<google::protobuf::internal::GenericTypeHandler<google::protobuf::MessageLite>>())
>>> referenced by check_op.h:425 (/usr/local/include/absl/log/internal/check_op.h:425)
>>>               navmon.pb.o:(google::protobuf::internal::GenericTypeHandler<NavMonMessage_GNSSOffset>::Type const& google::protobuf::internal::RepeatedPtrFieldBase::Get<google::protobuf::internal::GenericTypeHandler<NavMonMessage_GNSSOffset>>(int) const)
>>> referenced 2 more times
c++: error: linker command failed with exit code 1 (use -v to see invocation)
gmake: *** [Makefile:135: ubxtool] Error 1