README.md

HelloWorldMessageBox

The classic first application "Hello, world!" with QMessageBox.

Sources

src/HelloWorldMessageBox.h

src/HelloWorldMessageBox.cpp

CMakeLists.txt

Output

Generate and build

Qt Creator

To build these projects, open HelloWorldMessageBox.pro file with Qt Creator.

CMake

To build this project, open "Terminal" and type following lines:

Set CMAKE_PREFIX_PATH with Qt6 install path.

Windows :

mkdir build
cd build
cmake ..
start ./HelloWorldMessageBox.sln

macOS :

mkdir build
cd build
cmake .. -G "Xcode"
open ./HelloWorldMessageBox.xcodeproj

Linux with Code::Blocks :

mkdir build
cd build
cmake .. -G "CodeBlocks - Unix Makefiles"
xdg-open ./HelloWorldMessageBox.cbp > /dev/null 2>&1

Linux :

mkdir build
cd build
cmake .. 
cmake --build . --config Debug
./HelloWorldMessageBox