CryptoPP in Qt Creator

EaccB

Can anyone provide step-by-step instructions on how to build the latest version of CryptoPP with mingw64 and integrate the resulting library files and headers into Qt Creator? Nothing I've tried so far has worked and I'm starting to feel helpless...

SGaist

Hi,

For the building part, you should contact the authors. Note that MinGW is not listed under the supported compilers list.

As for Qt, you can use the same technique as any other library you want to integrate to your project.

Qt Creator provides a dialog to help you with that.

EaccB

Thanks, didn't realize it wasn't supported. I've compiled with MSVS 2018 and setup my .pro file as follows:

win32:CONFIG(release, debug|release): LIBS += -L$$PWD/../../Downloads/cryptopp-master/cryptopp-master/x64/Output/release/ -lcryptlib
else:win32:CONFIG(debug, debug|release): LIBS += -L$$PWD/../../Downloads/cryptopp-master/cryptopp-master/x64/Output/debug/ -lcryptlib

INCLUDEPATH += $$PWD/../../Downloads/cryptopp-master/cryptopp-master
DEPENDPATH += $$PWD/../../Downloads/cryptopp-master/cryptopp-master

However, when I run in Qt Creator, I get "mismatch detected for 'RuntimeLibrary'" errors. Do you know what's causing this?

SGaist

Does it link against the static runtime ?
Visual Studio 2018 ? AFAIK there's only 2017 and 2019.

EaccB

Sorry, 2017 - typo...
Not sure what you mean. In Qt Creator I used "Add Library" and selected Dynamic for Linkage.

EaccB

Looks like I was able to get it to work by changing the Runtime Library to MDd in VS2017 and recompiling. Any idea why this worked?

SGaist

Was it MT before ?

If so, you can't mix libraries built with the static and dynamic runtime.