samogot samogot-laptop oi gcc -o create_window main pkg-config --cflag

samogot@samogot-laptop:~/oi$ gcc -o create_window main.c `pkg-config --cflags --libs ewl`
samogot@samogot-laptop:~/oi$ ./create_window
Unable to open engine evas_software_x11.
Could not initialize Ewl Engine.
Unable to init ewl