BorlandTalk.com Borland discussion newsgroups   Archives   FAQ   Search   Memberlist   Usergroups   Register   Profile   Log in to check your private messages   Log in  Static Library Linking Problem          BorlandTalk.com Forum Index -> C++ Builder (IDE) View previous topic :: View next topic   Author Message Mark . Guest Posted: Wed Apr 07, 2004 2:11 pm    Post subject: Static Library Linking Problem I am attempting to use C++ Builder 5 as a test bed for some embedded C code that I have developed. I am trying to create a static library in builder, which will mimic the structure in my embedded application. The problem is I can’t manage to link my Borland created static library into my Borland built test application. See error below: [Linker Error] Unresolved external 'Int_To_BCD(int)' referenced from C:TEMPDELETEITTESTUTIL.OBJ Details: I created the library using the Borland File->New-> Library wizard and all default options unchanged. The only modifications I made was generating a list file to verify the library was created (which does appear correct). So no problem here. I created an application to test this library in Builder, copied the library and it’s header file to the test application directory, added the library (util.lib) to my project manager, and included the library’s header file to where I’m calling it’s (util.lib) routines. The test application (project options) also uses all default values. I have tried all of the different functions in the library file, but I get the same type of Linker Error with every one. I than had the project generate a map file, and the library does not appear in the memory map? Any input would be greatly appreciated. Disclaimer: Function Names have been changed to protect the innocent ;-) Thanks, Mark Back to top Ed Mulroy [TeamB] Guest Posted: Wed Apr 07, 2004 5:16 pm    Post subject: Re: Static Library Linking Problem Quote: Disclaimer: Function Names have been changed to protect the innocent You will not show the actual function header used in the library and the function prototype used by the source code that uses the library. One hits few targets when shooting in the dark. A guess is that the function is decorated with extern "C" WINAPI or extern "C" __stdcall in the source code but was not so decorated in the library source code. Look at the function prototype for that function in the library's header file that is used in the source code which uses the library versus that used in the source code for the library itself. If you run this tdump -m filename.obj | find "Int_To_BCD" for each of the object file that uses the library and the library object file which contains the function I think you will see a difference in the names. If you do not have the object file for the item in the library, you can create one with this command: tlib /C util.lib *filename.obj .. Ed Quote: Mark wrote in message news:4073fdf0$1 (AT) newsgroups (DOT) borland.com... ... C++ Builder 5 ... I am trying to create a static library ... I can’t manage to link my Borland created static library into my Borland built test application. ... [Linker Error] Unresolved external 'Int_To_BCD(int)' referenced from C:TEMPDELETEITTESTUTIL.OBJ I created the library using the Borland File->New-> Library wizard and all default options unchanged. The only modifications I made was generating a list file to verify the library was created (which does appear correct). So no problem here. I created an application to test this library in Builder, copied the library and it’s header file to the test application directory, added the library (util.lib) to my project manager, and included the library’s header file to where I’m calling it’s (util.lib) routines. The test application (project options) also uses all default values. I have tried all of the different functions in the library file, but I get the same type of Linker Error with every one. I than had the project generate a map file, and the library does not appear in the memory map? Any input would be greatly appreciated. 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