compiling binacpp in mac os x sierra

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Hi,

first of all thanks for the work of writing binacpp. It would make my life easier
if i could get it to link.
I have no idea what i am doing wrong, maybe you can help.

I installed websockets, jsoncpp, curl via homebrew.
jsoncpp does not work with clang, so i installed gcc.
compiled the binacpp sources with -c and build static lib binacpp.a with ar rcs *.o
then applied following command to compile a test program which does nothing
but get the server time.

/usr/local/opt/gcc/bin/c++-9 test.cpp binacpp.a -I/usr/local/Cellar/[email protected]/1.1.1d/include -I/usr/local/Cellar/jsoncpp/1.9.1/include/ -L/usr/local/Cellar/jsoncpp/1.9.1/lib/ -L/usr/local/Cellar/[email protected]/1.1.1d/lib -lcrypto -lwebsockets -lcurl -ljsoncpp

i get following errors:

Undefined symbols for architecture x86_64:
"Json::Reader::parse(std::__cxx11::basic_string<char, std::char_traits, std::allocator > const&, Json::Value&, bool)", referenced from:
BinaCPP::get_exchangeInfo(Json::Value&) in binacpp.a(binacpp.o)
BinaCPP::get_serverTime(Json::Value&) in binacpp.a(binacpp.o)
BinaCPP::get_allPrices(Json::Value&) in binacpp.a(binacpp.o)
BinaCPP::get_allBookTickers(Json::Value&) in binacpp.a(binacpp.o)
BinaCPP::get_depth(char const*, int, Json::Value&) in binacpp.a(binacpp.o)
BinaCPP::get_aggTrades(char const*, int, long, long, int, Json::Value&) in binacpp.a(binacpp.o)
BinaCPP::get_24hr(char const*, Json::Value&) in binacpp.a(binacpp.o)
...
"Json::operator<<(std::basic_ostream<char, std::char_traits >&, Json::Value const&)", referenced from:
_main in ccgWRiMj.o
"Json::Value::asStringabi:cxx11 const", referenced from:
BinaCPP::get_price(char const*) in binacpp.a(binacpp.o)
BinaCPP::get_bookTicker(char const*, Json::Value&) in binacpp.a(binacpp.o)
ld: symbol(s) not found for architecture x86_64
collect2: error: ld returned 1 exit status

compiled jsoncpp amagalmated source from binacpp and got even more unresolved symbol errors....

All this Json::... Stuff should be referencable by including jsoncpp. have no idea whats going wrong.

Any help appreciated.
regards,
Nico