c++使用AIX的xlC_r编译连接是出现的问题
ld: 0711-317 ERROR: Undefined symbol: .SQLError
ld: 0711-317 ERROR: Undefined symbol: .SQLTransact
ld: 0711-317 ERROR: Undefined symbol: .SQLAllocEnv
ld: 0711-317 ERROR: Undefined symbol: .SQLAllocConnect
ld: 0711-317 ERROR: Undefined symbol: .SQLDriverConnect
ld: 0711-317 ERROR: Undefined symbol: .SQLSetConnectOption
ld: 0711-317 ERROR: Undefined symbol: .SQLDisconnect
ld: 0711-317 ERROR: Undefined symbol: .SQLFreeConnect
ld: 0711-317 ERROR: Undefined symbol: .SQLFreeEnv
ld: 0711-317 ERROR: Undefined symbol: .SQLAllocStmt
ld: 0711-317 ERROR: Undefined symbol: .SQLBindParameter
ld: 0711-317 ERROR: Undefined symbol: .SQLFreeStmt
ld: 0711-317 ERROR: Undefined symbol: .SQLFetch
ld: 0711-317 ERROR: Undefined symbol: .SQLExecute
ld: 0711-317 ERROR: Undefined symbol: .SQLPrepare
ld: 0711-317 ERROR: Undefined symbol: .SQLNumResultCols
ld: 0711-317 ERROR: Undefined symbol: .SQLBindCol
ld: 0711-317 ERROR: Undefined symbol: .SQLDescribeCol
ld: 0711-345 Use the -bloadmap or -bnoquiet option to obtain more information.
make: The error code from the last command is 8.
其他文件都已经编译通过，就是最后连接的时候报错了。
连接时出现的问题如上，不知道是少连接了什么库，求教！

[解决办法]
缺少DB2的库？
-L/home/db2inst1/sqllib/lib32 -ldb2

目录需要根据情况更改