Shows how to use message box with fl_message method.
To build this project, open "Terminal" and type following lines:
mkdir build && cd build
cmake ..
start Message.sln
Select Message project and type Ctrl+F5 to build and run it.
mkdir build && cd build
cmake .. -G "Xcode"
open ./Message.xcodeproj
Select Message project and type Cmd+R to build and run it.
mkdir build && cd build
cmake ..
cmake --build . --config Debug
./Message