failed to run run_test.sh & link peer connection server

[maxoodf]

Ubuntu 18.04.1
WebRTC 69, 70, 71

g++ -o peerconnection_server main.cc data_socket.cc peer_channel.cc utils.cc $(pkg-config --cflags --libs --define-variable=WEBRTC_LOCAL=/home/max/Documents/devel/webrtcbuilds/out/webrtcbuilds-23360-350e48a-linux-x64/ libwebrtc_full)
/tmp/ccqnQqEA.o: In function main': main.cc:(.text+0x7e4): undefined reference to webrtc::test::CommandLineParser::SetUsageMessage(std::__cxx11::basic_string<char, std::char_traits, std::allocator >)'
main.cc:(.text+0x86b): undefined reference to webrtc::test::CommandLineParser::SetFlag(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >)' main.cc:(.text+0x91f): undefined reference to webrtc::test::CommandLineParser::SetFlag(std::__cxx11::basic_string<char, std::char_traits, std::allocator >, std::__cxx11::basic_string<char, std::char_traits, std::allocator >)'
main.cc:(.text+0x9b6): undefined reference to webrtc::test::CommandLineParser::GetFlag(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >)' main.cc:(.text+0xa64): undefined reference to webrtc::test::CommandLineParser::GetFlag(std::__cxx11::basic_string<char, std::char_traits, std::allocator >)'
/tmp/cc2MbET6.o: In function rtc::s_url_decode(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)': peer_channel.cc:(.text._ZN3rtc12s_url_decodeERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE[_ZN3rtc12s_url_decodeERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE]+0x35): undefined reference to rtc::s_transform(std::__cxx11::basic_string<char, std::char_traits, std::allocator > const&, unsigned long ()(char, unsigned long, char const*, unsigned long))'
/home/max/Documents/devel/webrtcbuilds/out/webrtcbuilds-23360-350e48a-linux-x64//lib/Release/libwebrtc_full.a(cxa_exception_storage.o): In function __cxxabiv1::(anonymous namespace)::destruct_(void*)': cxa_exception_storage.cpp:(.text._ZN10__cxxabiv112_GLOBAL__N_19destruct_EPv+0x12): undefined reference to pthread_setspecific'
/home/max/Documents/devel/webrtcbuilds/out/webrtcbuilds-23360-350e48a-linux-x64//lib/Release/libwebrtc_full.a(cxa_exception_storage.o): In function __cxxabiv1::(anonymous namespace)::construct_()': cxa_exception_storage.cpp:(.text._ZN10__cxxabiv112_GLOBAL__N_110construct_Ev+0x13): undefined reference to pthread_key_create'
/home/max/Documents/devel/webrtcbuilds/out/webrtcbuilds-23360-350e48a-linux-x64//lib/Release/libwebrtc_full.a(cxa_exception_storage.o): In function __cxa_get_globals_fast': cxa_exception_storage.cpp:(.text.__cxa_get_globals_fast+0x13): undefined reference to pthread_once'
cxa_exception_storage.cpp:(.text.__cxa_get_globals_fast+0x23): undefined reference to pthread_getspecific' /home/max/Documents/devel/webrtcbuilds/out/webrtcbuilds-23360-350e48a-linux-x64//lib/Release/libwebrtc_full.a(cxa_exception_storage.o): In function __cxa_get_globals':
cxa_exception_storage.cpp:(.text.__cxa_get_globals+0x41): undefined reference to pthread_setspecific' /home/max/Documents/devel/webrtcbuilds/out/webrtcbuilds-23360-350e48a-linux-x64//lib/Release/libwebrtc_full.a(mutex.o): In function std::__1::mutex::try_lock()':
mutex.cpp:(.text._ZNSt3__15mutex8try_lockEv+0x5): undefined reference to pthread_mutex_trylock' /home/max/Documents/devel/webrtcbuilds/out/webrtcbuilds-23360-350e48a-linux-x64//lib/Release/libwebrtc_full.a(mutex.o): In function std::__1::recursive_mutex::recursive_mutex()':
mutex.cpp:(.text._ZNSt3__115recursive_mutexC2Ev+0x27): undefined reference to pthread_mutexattr_init' mutex.cpp:(.text._ZNSt3__115recursive_mutexC2Ev+0x49): undefined reference to pthread_mutexattr_settype'
mutex.cpp:(.text._ZNSt3__115recursive_mutexC2Ev+0x68): undefined reference to pthread_mutexattr_destroy' mutex.cpp:(.text._ZNSt3__115recursive_mutexC2Ev+0x74): undefined reference to pthread_mutexattr_destroy'
mutex.cpp:(.text._ZNSt3__115recursive_mutexC2Ev+0x81): undefined reference to pthread_mutexattr_destroy' /home/max/Documents/devel/webrtcbuilds/out/webrtcbuilds-23360-350e48a-linux-x64//lib/Release/libwebrtc_full.a(mutex.o): In function std::__1::recursive_mutex::try_lock()':
mutex.cpp:(.text._ZNSt3__115recursive_mutex8try_lockEv+0x5): undefined reference to pthread_mutex_trylock' /home/max/Documents/devel/webrtcbuilds/out/webrtcbuilds-23360-350e48a-linux-x64//lib/Release/libwebrtc_full.a(mutex.o): In function std::__1::timed_mutex::try_lock()':
mutex.cpp:(.text._ZNSt3__111timed_mutex8try_lockEv+0xe): undefined reference to pthread_mutex_trylock' /home/max/Documents/devel/webrtcbuilds/out/webrtcbuilds-23360-350e48a-linux-x64//lib/Release/libwebrtc_full.a(mutex.o): In function std::__1::recursive_timed_mutex::try_lock()':
mutex.cpp:(.text._ZNSt3__121recursive_timed_mutex8try_lockEv+0x1f): undefined reference to pthread_mutex_trylock' /home/max/Documents/devel/webrtcbuilds/out/webrtcbuilds-23360-350e48a-linux-x64//lib/Release/libwebrtc_full.a(memory.o): In function std::__1::__sp_mut::lock()':
memory.cpp:(.text._ZNSt3__18__sp_mut4lockEv+0x26): undefined reference to pthread_mutex_trylock' /home/max/Documents/devel/webrtcbuilds/out/webrtcbuilds-23360-350e48a-linux-x64//lib/Release/libwebrtc_full.a(condition_variable.o): In function std::__1::notify_all_at_thread_exit(std::__1::condition_variable&, std::__1::unique_lockstd::__1::mutex)':
condition_variable.cpp:(.text._ZNSt3__125notify_all_at_thread_exitERNS_18condition_variableENS_11unique_lockINS_5mutexEEE+0x1c): undefined reference to pthread_getspecific' condition_variable.cpp:(.text._ZNSt3__125notify_all_at_thread_exitERNS_18condition_variableENS_11unique_lockINS_5mutexEEE+0x2d): undefined reference to pthread_getspecific'
condition_variable.cpp:(.text._ZNSt3__125notify_all_at_thread_exitERNS_18condition_variableENS_11unique_lockINS_5mutexEEE+0x75): undefined reference to pthread_setspecific' /home/max/Documents/devel/webrtcbuilds/out/webrtcbuilds-23360-350e48a-linux-x64//lib/Release/libwebrtc_full.a(thread.o): In function std::__1::thread::join()':
thread.cpp:(.text._ZNSt3__16thread4joinEv+0x17): undefined reference to pthread_join' /home/max/Documents/devel/webrtcbuilds/out/webrtcbuilds-23360-350e48a-linux-x64//lib/Release/libwebrtc_full.a(thread.o): In function std::__1::thread::detach()':
thread.cpp:(.text._ZNSt3__16thread6detachEv+0x15): undefined reference to pthread_detach' /home/max/Documents/devel/webrtcbuilds/out/webrtcbuilds-23360-350e48a-linux-x64//lib/Release/libwebrtc_full.a(thread.o): In function std::__1::__thread_local_data()':
thread.cpp:(.text._ZNSt3__119__thread_local_dataEv+0x4f): undefined reference to pthread_key_create' /home/max/Documents/devel/webrtcbuilds/out/webrtcbuilds-23360-350e48a-linux-x64//lib/Release/libwebrtc_full.a(future.o): In function std::__1::__assoc_sub_state::set_value_at_thread_exit()':
future.cpp:(.text._ZNSt3__117__assoc_sub_state24set_value_at_thread_exitEv+0x91): undefined reference to pthread_getspecific' /home/max/Documents/devel/webrtcbuilds/out/webrtcbuilds-23360-350e48a-linux-x64//lib/Release/libwebrtc_full.a(future.o): In function std::__1::__assoc_sub_state::set_exception_at_thread_exit(std::exception_ptr)':
future.cpp:(.text._ZNSt3__117__assoc_sub_state28set_exception_at_thread_exitESt13exception_ptr+0x99): undefined reference to `pthread_getspecific'
collect2: error: ld returned 1 exit status

[maxoodf]

Some more info.

Error (one of them) on the peerconnection server linking:
std::char_traits<char>, std::allocator<char> > const&)': peer_channel.cc:(.text._ZN3rtc12s_url_decodeERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE[_ZN3rtc12s_url_decodeERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE]+0x35): undefined reference to rtc::s_transform(std::__cxx11::basic_string<char, std::char_traits, std::allocator > const&, unsigned long ()(char, unsigned long, char const*, unsigned long))'

and

cd ./out/src/out/Release
cat ./libwebrtc_full.list | grep stringenc
obj/rtc_base/stringutils/stringencode.o
rm ./libwebrtc_full.a
cat libwebrtc_full.list | xargs ar -crs libwebrtc_full.a
nm ./libwebrtc_full.a | grep s_transform
                 U _ZN3rtc11s_transformERKNSt3__112basic_stringIcNS0_11char_traitsIcEENS0_9allocatorIcEEEEPFmPcmPKcmE
0000000000000000 T _ZN3rtc11s_transformERKNSt3__112basic_stringIcNS0_11char_traitsIcEENS0_9allocatorIcEEEEPFmPcmPKcmE