Below is the file 'debian/gnadecommon.gpr' from this revision. You can also download the file.

--  GNADE project file for use with GNAT
--  Copyright (c) 2009 Stephen Leake <stephen_leake@stephe-leake.org>
--  Copyright (c) 2003-2009 Ludovic Brenta <lbrenta@debian.org>
--
--  This program is free software; you can redistribute it and/or modify
--  it under the terms of the GNU General Public License as published by
--  the Free Software Foundation; either version 2 of the License, or
--  (at your option) any later version.
--
--  This program is distributed in the hope that it will be useful,
--  but WITHOUT ANY WARRANTY; without even the implied warranty of
--  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
--  GNU General Public License for more details.
--
--  This project file is only used by gnadeodbc and gnadesqlite3; it
--  is not useful on its own.

project GNADEODBC is
   for Library_Name use "gnadeodbc";
   for Library_Dir use  "/usr/lib";
   for Library_Kind use "dynamic";
   for Source_Dirs use ("/usr/share/ada/adainclude/gnadecommon");
   for Library_ALI_Dir use "/usr/lib/ada/adalib/gnadecommon";
   for Externally_Built use "true";
end GNADEODBC;