centralize and fixup example sources install targets

This follows suit with aeb036e in qtbase.

Change-Id: Ie8580d0a1f38ab9858b0e44c9f99bdc552a1752a
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@digia.com>
Reviewed-by: hjk <qthjk@ovi.com>

examples/multimedia/spectrum/3rdparty/fftreal/stopwatch/fnc.hpp

@@ -0,0 +1,85 @@
+/*****************************************************************************
+
+        fnc.hpp
+        Copyright (c) 2003 Laurent de Soras
+
+--- Legal stuff ---
+
+This library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Lesser General Public
+License as published by the Free Software Foundation; either
+version 2.1 of the License, or (at your option) any later version.
+
+This library 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
+Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public
+License along with this library; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
+*Tab=3***********************************************************************/
+
+
+
+#if defined (stopwatch_fnc_CURRENT_CODEHEADER)
+	#error Recursive inclusion of fnc code header.
+#endif
+#define	stopwatch_fnc_CURRENT_CODEHEADER
+
+#if ! defined (stopwatch_fnc_CODEHEADER_INCLUDED)
+#define	stopwatch_fnc_CODEHEADER_INCLUDED
+
+
+
+/*\\\ INCLUDE FILES \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\*/
+
+#include	<cassert>
+#include	<cmath>
+
+namespace std {}
+
+
+
+namespace stopwatch
+{
+
+
+
+template <typename T>
+inline T	min (T a, T b)
+{
+	return ((a < b) ? a : b);
+}
+
+
+
+template <typename T>
+inline T	max (T a, T b)
+{
+	return ((b < a) ? a : b);
+}
+
+
+
+int	round_int (double x)
+{
+	using namespace std;
+
+	return (static_cast <int> (floor (x + 0.5)));
+}
+
+
+
+}	// namespace stopwatch
+
+
+
+#endif	// stopwatch_fnc_CODEHEADER_INCLUDED
+
+#undef stopwatch_fnc_CURRENT_CODEHEADER
+
+
+
+/*\\\ EOF \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\*/