Systeme fault libstdc++-6.dll missing

[Thomas199995]

I want to run a C++ project but I can't open it in the console. not in the Qt editor and not the exe either. I always get the error that libstdc++-6.dll was not found.

I can run the code in the terminal but as i wrote, not in the console

Is there any solution for this problem.

[jsulm]

@Thomas199995 said in Systeme fault libstdc++-6.dll missing:

I can run the code in the terminal but as i wrote, not in the console

I don't get it: console is basically same as terminal. So where exactly does it work and where not? Did you deploy the app properly before running it? (https://doc.qt.io/qt-6/windows-deployment.html)

[JoeCFD]

@Thomas199995 Did you install Visual Studio? Qt Creator does not have its own C++ compiler on Windows.

[cristian-adam]

@Thomas199995 It looks like you are using MinGW and you are not deploying the C++ Runtime.

Let's assume you have installed MinGW 11.2.0 via Qt SDK at C:\Qt\Tools\mingw1120_64\bin.

You can start your application from a cmd.exe window as:

$ cd c:\Projects\MyApp
$ set PATH=C:\Qt\Tools\mingw1120_64\bin;%PATH%
$ myapp.exe

In order to find out which dependencies your application has, and which files to copy you can do:

$ cd c:\Projects\MyApp
$ set PATH=C:\Qt\Tools\mingw1120_64\bin;%PATH%
$ objdump -x myapp.exe | findstr \.dll

Then in the same cmd.exe window you do:

$ copy /b "C:\Qt\Tools\mingw1120_64\bin\libstdc++-6.dll" .

Then you can start your application without modifying the PATH environment variable.