Convert Qt Project to CMake

Nov 5, 2022 min read

Convert an old Qt projet do CMake

Install base packages

pip install virtualenv
python -m virtualenv -p python3 convert
virtualenv -p python3 convert
.\convert\Scripts\activate.bat

qmake2cmake

Using the Qt tool qmake2cmake to convert the project to CMake

python -m pip install qmake2cmake
qmake2cmake_all . --min-qt-version 6.4

Build the project

mkdir build
cd build
cmake -G "Visual Studio 17 2022" -A x64 ..

Notes for Windows build

Install the Qt6.4.0 version to build the project, and configure the CMake to use the Qt6.4.0 version.

add bin qt to path “C:\Qt\6.4.0\msvc2019_64\bin”
set CMAKE_PREFIX_PATH C:\Qt\6.4.0\msvc2019_64