/usr/share/ada/adainclude/ is in libgtkglada2.24.1-dev 2.24.1-2.
This file is owned by root:root, with mode 0o755.
..
/usr/share/ada/adainclude/gtkglada/
/usr/share/ada/adainclude/gtkglada.gpr
/usr/share/ada/adainclude/gtkglada/gdk-gl.adb
/usr/share/ada/adainclude/gtkglada/gdk-gl.ads
/usr/share/ada/adainclude/gtkglada/gdkgl.c
/usr/share/ada/adainclude/gtkglada/gdkgl.h
/usr/share/ada/adainclude/gtkglada/gl_h.adb
/usr/share/ada/adainclude/gtkglada/gl_h.ads
/usr/share/ada/adainclude/gtkglada/glu_h.ads
/usr/share/ada/adainclude/gtkglada/gtk-glarea.adb
/usr/share/ada/adainclude/gtkglada/gtk-glarea.ads
/usr/share/ada/adainclude/gtkglada/gtkglarea.c
/usr/share/ada/adainclude/gtkglada/gtkglarea.h