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POLinker errors-Undefined Reference to
 

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    <p>I have project which has a dependency of a logging project when i build this other project i get the following linker errors:</p> <p>The logging project build well however when i use the logging project inside this project as a library in linker options it generates the following errors , in my logging project i do have a logger.cpp in which wxRegKey is defined.</p> <pre><code>../logging/dist/Debug/MinGW_1-Windows/liblogging.a(Logger.o): In function `ZN7Logging6Logger17CreateRegistryKeyEv': c:\logging/impl/Logger.cpp:125: undefined reference to `_imp___ZN8wxRegKeyC1ENS_6StdKeyERK8wxString' c:\logging/impl/Logger.cpp:127: undefined reference to `_imp___ZN8wxRegKeyC1ENS_6StdKeyERK8wxString' c:\logging/impl/Logger.cpp:129: undefined reference to `_imp___ZNK8wxRegKey6ExistsEv' c:\logging/impl/Logger.cpp:135: undefined reference to `_imp___ZN8wxRegKeyD1Ev' c:\logging/impl/Logger.cpp:140: undefined reference to `_imp___ZN8wxRegKeyC1ENS_6StdKeyERK8wxString' c:\logging/impl/Logger.cpp:142: undefined reference to `_imp___ZNK8wxRegKey6ExistsEv' c:\logging/impl/Logger.cpp:143: undefined reference to `_imp___ZN8wxRegKey6CreateEb' c:\logging/impl/Logger.cpp:149: undefined reference to `_imp___ZNK8wxRegKey6ExistsEv' c:\logging/impl/Logger.cpp:152: undefined reference to `_imp___ZN8wxRegKeyD1Ev' c:\logging/impl/Logger.cpp:155: undefined reference to `_imp___ZN8wxRegKeyC1ENS_6StdKeyERK8wxString' c:\logging/impl/Logger.cpp:156: undefined reference to `_imp___ZNK8wxRegKey6ExistsEv' c:\logging/impl/Logger.cpp:157: undefined reference to `_imp___ZN8wxRegKey6CreateEb' ../logging/dist/Debug/MinGW_1-Windows/liblogging.a(Logger.o): In function `ZN7Logging6Logger13GetLoggStatusEv': c:\logging/impl/Logger.cpp:169: undefined reference to `_imp___ZNK8wxRegKey8HasValueEPKc' c:\logging/impl/Logger.cpp:170: undefined reference to `_imp___ZNK8wxRegKey10QueryValueEPKcPl' c:\logging/impl/Logger.cpp:176: undefined reference to `_imp___ZN8wxRegKey8SetValueEPKcl' ../logging/dist/Debug/MinGW_1-Windows/liblogging.a(Logger.o): In function `ZN7Logging6Logger12SetLoggLevelEv': c:\logging/impl/Logger.cpp:186: undefined reference to `_imp___ZNK8wxRegKey8HasValueEPKc' c:\logging/impl/Logger.cpp:193: undefined reference to `_imp___ZN8wxRegKey8SetValueEPKcRK8wxString' c:\logging/impl/Logger.cpp:200: undefined reference to `_imp__wxConvUTF8' ../logging/dist/Debug/MinGW_1-Windows/liblogging.a(Logger.o): In function `ZN12wxStringBase4InitEv': C:/wxWidgets-2.8.12/include/wx/string.h:270: undefined reference to `_imp__wxEmptyString' ../logging/dist/Debug/MinGW_1-Windows/liblogging.a(Logger.o): In function `wxStringBase': C:/wxWidgets-2.8.12/include/wx/string.h:368: undefined reference to `_imp___ZN12wxStringBase4nposE' C:/wxWidgets-2.8.12/include/wx/string.h:368: undefined reference to `_imp___ZN12wxStringBase8InitWithEPKcjj' ../logging/dist/Debug/MinGW_1-Windows/liblogging.a(Logger.o): In function `ZNK8wxRegKey10QueryValueEPKcR8wxString': C:/wxWidgets-2.8.12/include/wx/msw/registry.h:167: undefined reference to `_imp___ZNK8wxRegKey10QueryValueEPKcR8wxStringb' collect2: ld returned 1 exit status make[2]: *** [dist/Debug/MinGW_1-Windows/abcproject.dll] Error 1 make[1]: *** [.build-conf] Error 2 make: *** [.build-impl] Error 2 make[2]: Leaving directory `/c/abcproject' make[1]: Leaving directory `/c/abcproject' BUILD FAILED (exit value 2, total time: 34s) </code></pre> <p>order of include file in logger.h</p> <pre><code> #include &lt;vector&gt; #include &lt;sstream&gt; #include &lt;string&gt; #include &lt;ctime&gt; #include &lt;windows.h&gt; #include &lt;winbase.h&gt; #include &lt;wx/wx.h&gt; #include &lt;wx/thread.h&gt; #include &lt;wx/log.h&gt; #include &lt;wx/app.h&gt; #include &lt;wx/msw/registry.h&gt; #include &lt;wx/utils.h&gt; #include &lt;map&gt; </code></pre> <p>Please help</p>
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    1. COCan you please edit your question to to show _how_ the program is linked?
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