(mysql.info.gz) Link errors

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 A.3.1 Problems Linking to the MySQL Client Library
 --------------------------------------------------
 
 When you are linking an application program to use the MySQL client
 library, you might get undefined reference errors for symbols that
 start with `mysql_', such as those shown here:
 
      /tmp/ccFKsdPa.o: In function `main':
      /tmp/ccFKsdPa.o(.text+0xb): undefined reference to `mysql_init'
      /tmp/ccFKsdPa.o(.text+0x31): undefined reference to `mysql_real_connect'
      /tmp/ccFKsdPa.o(.text+0x57): undefined reference to `mysql_real_connect'
      /tmp/ccFKsdPa.o(.text+0x69): undefined reference to `mysql_error'
      /tmp/ccFKsdPa.o(.text+0x9a): undefined reference to `mysql_close'
 
 You should be able to solve this problem by adding `-Ldir_path
 -lmysqlclient' at the end of your link command, where `dir_path'
 represents the pathname of the directory where the client library is
 located. To determine the correct directory, try this command:
 
      shell> mysql_config --libs
 
 The output from `mysql_config' might indicate other libraries that
 should be specified on the link command as well.
 
 If you get `undefined reference' errors for the `uncompress' or
 `compress' function, add `-lz' to the end of your link command and try
 again.
 
 If you get `undefined reference' errors for a function that should
 exist on your system, such as `connect', check the manual page for the
 function in question to determine which libraries you should add to the
 link command.
 
 You might get `undefined reference' errors such as the following for
 functions that don't exist on your system:
 
      mf_format.o(.text+0x201): undefined reference to `__lxstat'
 
 This usually means that your MySQL client library was compiled on a
 system that is not 100% compatible with yours.  In this case, you
 should download the latest MySQL source distribution and compile MySQL
 yourself.   Installing source.
 
 You might get undefined reference errors at runtime when you try to
 execute a MySQL program. If these errors specify symbols that start
 with `mysql_' or indicate that the `mysqlclient' library can't be
 found, it means that your system can't find the shared
 `libmysqlclient.so' library.  The fix for this is to tell your system
 to search for shared libraries where the library is located. Use
 whichever of the following methods is appropriate for your system:
 
    * Add the path to the directory where `libmysqlclient.so' is located
      to the `LD_LIBRARY_PATH' environment variable.
 
    * Add the path to the directory where `libmysqlclient.so' is located
      to the `LD_LIBRARY' environment variable.
 
    * Copy `libmysqlclient.so' to some directory that is searched by
      your system, such as `/lib', and update the shared library
      information by executing `ldconfig'.
 
 Another way to solve this problem is by linking your program statically
 with the `-static' option, or by removing the dynamic MySQL libraries
 before linking your code. Before trying the second method, you should be
 sure that no other programs are using the dynamic libraries.
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