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static lib link errors VS2013

Posted on 2014-12-16
Medium Priority
Last Modified: 2014-12-22
Hello Experts,

I have a static library that I built using c++ on VS2008. That lib now needs to be linked in to a DLL that is compiled using VS2013. The VS2013 linker gives the errors that are in the attached file. I need to know what settings I should change in the VS2008 static lib to make this work. Changing the VS2013 DLL app properties is not an option. Compiling the VS2008 static lib with Vs2013 is also not an option.
Question by:BrianDumas
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LVL 86

Expert Comment

ID: 40503452
What are your project's settings, i.e. what is selected under "Configuration Properties|C/C++|Code Generation" as "Runtime Library" and what is "Configuration Properties|Linker|Command Line"?

Author Comment

ID: 40503575
Thanks for the Quick response jkr. I've attached a PDF  file with screen captures of the settings you asked for.
LVL 86

Expert Comment

ID: 40503601
Ah, you have '/NODEFAULTLIB' set. This makes the linker ignore all default libraries, as the name implies. Remove that by going to "Linker|Input" and set "Ignore Default Libraries" to "No".
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Author Comment

ID: 40504897
Hello jkr, I tried what you suggested and there was no change in the linking errors. they are identical to the original errors. I verified that the change was actually done, and did a rebuild just in case.
LVL 86

Accepted Solution

jkr earned 1200 total points
ID: 40505123
OK, I see that you also have UNICODE set. Can you try to set 'Treat wchar_t as Built-In Type' to 'No'? (You'll find that under "C/C++|Language")
LVL 16

Assisted Solution

HooKooDooKu earned 300 total points
ID: 40505359
Was the library built with Unicode?

Have you tried rebuilding the library in VS2013?

Another thing I've tried when i get libraries the programs that don't want to link due to incompatible project settings is to simply rebuild the projects from scratch (i.e. new project file and simply copy all the source code to the new project).
LVL 35

Expert Comment

ID: 40506671
a static library is a container of object modules which is equivalent to a folder containing object files. because of that, different compilers may produce different object code which cannot be linked together. for example if the vs2008 code calls a c++ function which is no longer available in vs2013 or has different arguments, the linker would not be able to solve this. worse,  a new compiler even could have changed the c++ name mangling (which puts some decoration around function names such that t

the best way out is to follow the advice HooKooDooKu gave and port the static library to vs2013. that solves the issue if the project builds correctly.


Author Closing Comment

ID: 40513039
I ended up scrapping it since time was running out. The 'Best Solution' got me the closest to having it fixed.

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