CMake error handling: Could not find a package configuration file provided by “QT“ with any of

Today I used cmake to manage the Qt project and encountered some errors. I will record them here.

Table of contents

1. Qtcreator creates a cmake type console program

2. Use Cmake-gui to build vs2012 project

2.1 Create build directory

2.2 CMake-gui build

2.3 Error reporting

(1) Solution 1

(2) Solution 2

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1. Qtcreator creates a cmake type console program

I installed qt city 6.4.1 and 6.5.0 versions

Using MSVC2019 compiler

Because the msvc2019 compiler is not installed on this machine, problems occur in the project

Switch compiler

The program executes normally after switching

2. Use Cmake-gui to build vs2012 project

2.1 Create build directory

2.2 CMake-gui build

2.3 Error reporting

The error message is as follows:

The error shows that the following cmake file cannot be found

Qt6Config.cmake
qt6-config.cmake
Qt5Config.cmake
qt5-config.cmake

The solution is also given. I installed qt6, so I only need to find
the path where Qt6Config.cmake or qt6-config.cmake is located.

qt6-config.cmake cannot be found

Qt6Config.cmake was found, and the corresponding compiler found was C:\Qt\6.5.0\mingw_64\lib\cmake\Qt6

(1) Solution 1

Add path C:\Qt\6.5.0\mingw_64\lib\cmake\Qt6 to CMAKE_PREFIX_PATH

Compile OK and generate vs2012 project

(2) Solution 2

QT_DIR and Qt6_DI settings C:\Qt\6.5.0\mingw_64\lib\cmake\Qt6

Generate OK