How to use GMP with Qt creator 5 (latest version) on Windows?

**d_stranz** · 10th February 2020, 16:42

Please do not double-post. Everyone who reads this forum will see your post whether you put it in the Qt Programming or Newbie sections. Don't put it in both places.

In order to use any GNU libraries on Windows, you will probably have to also install and use the MinGW toolchain with the g++ compiler. Qt Creator can work with any toolchain - you will have to read the Qt Creator documentation regarding configuring a "kit" to use it.

You will also have to install (or build from source code) a Qt distribution that was also built using the MinGW toolchain. You cannot mix and match libraries and DLLs built using g++ and Microsoft's VC++ compilers.

If this seems like a lot of work, it is. You might be better off trying to find an MP library built for Windows or a GMP distribution built using your compiler. Google is probably your friend here.

**lehuyduc** · 11th February 2020, 02:43

Originally Posted by d_stranz

Please do not double-post. Everyone who reads this forum will see your post whether you put it in the Qt Programming or Newbie sections. Don't put it in both places.

In order to use any GNU libraries on Windows, you will probably have to also install and use the MinGW toolchain with the g++ compiler. Qt Creator can work with any toolchain - you will have to read the Qt Creator documentation regarding configuring a "kit" to use it.

You will also have to install (or build from source code) a Qt distribution that was also built using the MinGW toolchain. You cannot mix and match libraries and DLLs built using g++ and Microsoft's VC++ compilers.

If this seems like a lot of work, it is. You might be better off trying to find an MP library built for Windows or a GMP distribution built using your compiler. Google is probably your friend here.

Thank you. It seems there's no easy way to do it on windows. I will try mingw tool.