在 Mac os x 上编译播放器/舞台答案

【问题标题】：Compiling player/stage on Mac os x在 Mac os x 上编译播放器/舞台
【发布时间】：2011-04-08 03:00:44
【问题描述】：
不确定是否有人遇到此问题或类似问题，但如果您有帮助，我们将不胜感激。
我在以下位置设置了 postgresql，并将链接路径设置为 /usr/local/pgsql-9.0。还要在 /usr/local/lib 中设置 libpqxx
但我猜错误说它无法在任何地方找到 postgresql。对吗？
Linking CXX shared library libplayerdrivers.dylib Undefined symbols:   "_PQntuples", referenced from:
      Postlog::storeData(int, char const*, void const*, double, unsigned short, unsigned short, unsigned char, unsigned char)in postlog.o
      PostgresConn::GetLayerData(char const*)in dbconn.o   "_PQresultErrorMessage", referenced from:
      Postlog::rollback() constin postlog.o
      Postlog::storeData(int, char const*, void const*, double, unsigned short, unsigned short, unsigned char, unsigned char)in postlog.o
      Postlog::storeData(int, char const*, void const*, double, unsigned short, unsigned short, unsigned char, unsigned char)in postlog.o
      Postlog::storeData(int, char const*, void const*, double, unsigned short, unsigned short, unsigned char, unsigned char)in postlog.o
      PostgresConn::WriteLayerData(LayerDataHolder&) in dbconn.o
      PostgresConn::WriteLayerData(LayerDataHolder&) in dbconn.o
      PostgresConn::WriteLayerData(LayerDataHolder&) in dbconn.o
      PostgresConn::WriteLayerData(LayerDataHolder&) in dbconn.o
      PostgresConn::WriteLayerData(LayerDataHolder&) in dbconn.o
      PostgresConn::WriteLayerData(LayerDataHolder&) in dbconn.o
      PostgresConn::WriteLayerData(LayerDataHolder&) in dbconn.o
      PostgresConn::WriteLayerData(LayerDataHolder&) in dbconn.o   "_PQgetvalue", referenced from:
      Postlog::storeData(int, char const*, void const*, double, unsigned short, unsigned short, unsigned char, unsigned char)in postlog.o
      PostgresConn::GetLayerData(char const*)in dbconn.o
      PostgresConn::GetLayerData(char const*)in dbconn.o
      PostgresConn::GetLayerData(char const*)in dbconn.o
      PostgresConn::GetLayerInfo(char const*)in dbconn.o
      PostgresConn::GetVectorMapInfo(std::vector<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::allocator<std::basic_string<char, std::char_traits<char>, std::allocator<char> > > >)in dbconn.o
      PostgresConn::GetVectorMapInfo(std::vector<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::allocator<std::basic_string<char, std::char_traits<char>, std::allocator<char> > > >)in dbconn.o "_PQexecParams", referenced from:
      Postlog::storeData(int, char const*, void const*, double, unsigned short, unsigned short, unsigned char, unsigned char)in postlog.o
      PostgresConn::WriteLayerData(LayerDataHolder&) in dbconn.o   "_PQresultStatus", referenced from:
      Postlog::rollback() constin postlog.o
      Postlog::storeData(int, char const*, void const*, double, unsigned short, unsigned short, unsigned char, unsigned char)in postlog.o
      Postlog::storeData(int, char const*, void const*, double, unsigned short, unsigned short, unsigned char, unsigned char)in postlog.o
      Postlog::storeData(int, char const*, void const*, double, unsigned short, unsigned short, unsigned char, unsigned char)in postlog.o
      Postlog::storeData(int, char const*, void const*, double, unsigned short, unsigned short, unsigned char, unsigned char)in postlog.o
      PostgresConn::WriteLayerData(LayerDataHolder&) in dbconn.o
      PostgresConn::WriteLayerData(LayerDataHolder&) in dbconn.o
      PostgresConn::WriteLayerData(LayerDataHolder&) in dbconn.o
      PostgresConn::WriteLayerData(LayerDataHolder&) in dbconn.o
      PostgresConn::WriteLayerData(LayerDataHolder&) in dbconn.o
      PostgresConn::WriteLayerData(LayerDataHolder&) in dbconn.o
      PostgresConn::WriteLayerData(LayerDataHolder&) in dbconn.o
      PostgresConn::WriteLayerData(LayerDataHolder&) in dbconn.o
      PostgresConn::GetLayerData(char const*)in dbconn.o
      PostgresConn::GetLayerInfo(char const*)in dbconn.o
      PostgresConn::GetVectorMapInfo(std::vector<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::allocator<std::basic_string<char, std::char_traits<char>, std::allocator<char> > > >)in dbconn.o
      PostgresConn::GetVectorMapInfo(std::vector<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::allocator<std::basic_string<char, std::char_traits<char>, std::allocator<char> > > >)in dbconn.o "_PQexec", referenced from:
      Postlog::rollback() constin postlog.o
      Postlog::storeData(int, char const*, void const*, double, unsigned short, unsigned short, unsigned char, unsigned char)in postlog.o
      Postlog::storeData(int, char const*, void const*, double, unsigned short, unsigned short, unsigned char, unsigned char)in postlog.o
      Postlog::storeData(int, char const*, void const*, double, unsigned short, unsigned short, unsigned char, unsigned char)in postlog.o
      PostgresConn::WriteLayerData(LayerDataHolder&) in dbconn.o
      PostgresConn::WriteLayerData(LayerDataHolder&) in dbconn.o
      PostgresConn::WriteLayerData(LayerDataHolder&) in dbconn.o
      PostgresConn::WriteLayerData(LayerDataHolder&) in dbconn.o
      PostgresConn::WriteLayerData(LayerDataHolder&) in dbconn.o
      PostgresConn::WriteLayerData(LayerDataHolder&) in dbconn.o
      PostgresConn::WriteLayerData(LayerDataHolder&) in dbconn.o
      PostgresConn::GetLayerData(char const*)in dbconn.o
      PostgresConn::GetLayerInfo(char const*)in dbconn.o
      PostgresConn::GetVectorMapInfo(std::vector<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::allocator<std::basic_string<char, std::char_traits<char>, std::allocator<char> > > >)in dbconn.o
      PostgresConn::GetVectorMapInfo(std::vector<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::allocator<std::basic_string<char, std::char_traits<char>, std::allocator<char> > > >)in dbconn.o "_PQgetlength", referenced from:
      PostgresConn::GetLayerData(char const*)in dbconn.o
      PostgresConn::GetLayerInfo(char const*)in dbconn.o
      PostgresConn::GetVectorMapInfo(std::vector<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::allocator<std::basic_string<char, std::char_traits<char>, std::allocator<char> > > >)in dbconn.o "_PQbinaryTuples", referenced from:
      Postlog::storeData(int, char const*, void const*, double, unsigned short, unsigned short, unsigned char, unsigned char)in postlog.o   "_PQclear", referenced from:
      Postlog::rollback() constin postlog.o
      Postlog::storeData(int, char const*, void const*, double, unsigned short, unsigned short, unsigned char, unsigned char)in postlog.o
      Postlog::storeData(int, char const*, void const*, double, unsigned short, unsigned short, unsigned char, unsigned char)in postlog.o
      Postlog::storeData(int, char const*, void const*, double, unsigned short, unsigned short, unsigned char, unsigned char)in postlog.o
      Postlog::storeData(int, char const*, void const*, double, unsigned short, unsigned short, unsigned char, unsigned char)in postlog.o
      Postlog::storeData(int, char const*, void const*, double, unsigned short, unsigned short, unsigned char, unsigned char)in postlog.o
      Postlog::storeData(int, char const*, void const*, double, unsigned short, unsigned short, unsigned char, unsigned char)in postlog.o
      Postlog::storeData(int, char const*, void const*, double, unsigned short, unsigned short, unsigned char, unsigned char)in postlog.o
      Postlog::storeData(int, char const*, void const*, double, unsigned short, unsigned short, unsigned char, unsigned char)in postlog.o
      Postlog::storeData(int, char const*, void const*, double, unsigned short, unsigned short, unsigned char, unsigned char)in postlog.o
      Postlog::storeData(int, char const*, void const*, double, unsigned short, unsigned short, unsigned char, unsigned char)in postlog.o
      PostgresConn::WriteLayerData(LayerDataHolder&) in dbconn.o
      PostgresConn::WriteLayerData(LayerDataHolder&) in dbconn.o
      PostgresConn::WriteLayerData(LayerDataHolder&) in dbconn.o
      PostgresConn::WriteLayerData(LayerDataHolder&) in dbconn.o
      PostgresConn::WriteLayerData(LayerDataHolder&) in dbconn.o
      PostgresConn::WriteLayerData(LayerDataHolder&) in dbconn.o
      PostgresConn::WriteLayerData(LayerDataHolder&) in dbconn.o
      PostgresConn::WriteLayerData(LayerDataHolder&) in dbconn.o
      PostgresConn::WriteLayerData(LayerDataHolder&) in dbconn.o
      PostgresConn::WriteLayerData(LayerDataHolder&) in dbconn.o
      PostgresConn::WriteLayerData(LayerDataHolder&) in dbconn.o
      PostgresConn::WriteLayerData(LayerDataHolder&) in dbconn.o
      PostgresConn::GetLayerData(char const*)in dbconn.o
      PostgresConn::GetLayerInfo(char const*)in dbconn.o
      PostgresConn::GetVectorMapInfo(std::vector<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::allocator<std::basic_string<char, std::char_traits<char>, std::allocator<char> > > >)in dbconn.o
      PostgresConn::GetVectorMapInfo(std::vector<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::allocator<std::basic_string<char, std::char_traits<char>, std::allocator<char> > > >)in dbconn.o "_PQsetdbLogin", referenced from:
      Postlog::Setup()     in postlog.o
      PostgresConn::Connect(char const*, char const*, char const*, char const*, char const*)in dbconn.o   "_PQstatus", referenced from:
      Postlog::Setup()     in postlog.o
      Postlog::isConnected() const in postlog.o
      PostgresConn::Connected()      in postgis.o
      PostgresConn::Connect(char const*, char const*, char const*, char const*, char const*)in dbconn.o   "_PQfinish", referenced from:
      Postlog::Shutdown()     in postlog.o
      Postlog::~Postlog()in postlog.o
      Postlog::~Postlog()in postlog.o
      Postlog::~Postlog()in postlog.o
      PostgresConn::Disconnect()       in dbconn.o
ld: symbol(s) not found
【问题讨论】：
看起来您根本没有链接 PostgreSQL 库。如果链接器找不到指定的库，那么你会得到更接近“找不到文件”的东西。您的链接器命令中应该有-lpqxx -lpq。
标签： macos postgresql linker player-stage
【解决方案1】：
感谢“mu太短”，它确实缺少-lpq
Mac Os X 的播放器/舞台构建似乎存在错误
【讨论】：