[Solved] Linking with binary libraries compiled with other MSVC version
The Qt4 application is build in MSVC2005 Express edition. It uses third-party binary libraries compiled with MSVC2005 team edition.
When I try to run the application it fails with non-informative message. Using procmon I understand that the problem is in location of the MSVC runtime libraries for the third-party binary library.
Is it safe to link one application with different MSVC runtime libraries?
How to solve the problem with missing MSVC runtime?
WinXP x32 is used.
I understand that the question is not exactly Qt-related, but application and libraries are used Qt.
I don’t know if it really works if both runtimes are installed, but it would definitely scare me if I knew my app runs on two different C and C++ runtimes at the same time.
For Visual Studio 2005 there are actually to versions: the original VS2005 and VS2005 Service Pack 1 (SP1). Binaries built with SP1 don’t run with orignial VS2005 libs. I don’t know exactly if that is true for the other way round, too.
The easiest way to get around these issues would be to use the exactly the same compiler version that the libs/DLLs are built with (of course only if you happen to own the respective version…. which might be a problem).
From an ABI (Application Binary Interface) view this should not make any difference. It’s more a question of SP1 or not. I once got bitten by this when I used the precompiled libs that the Trolls provide; these were built with VS2005+SP1, I had no SP1 installed (and could not upgrade for some reason). I could not link my application against these DLLs and went off to compile Qt by hand, so that they depend on the very same libs and version my installation provided.
I know, all this is a big nightmare :-(
If you can grab the sources of the lib you use, it would be best to compile it yourself.