Provides a test for the compiler support of __attribute__ extensions. Defines HAVE___ATTRIBUTE__ if it is found.
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Copyright © 2008 Stepan Kasal email@example.com
Copyright © 2008 Christian Haggstrom
Copyright © 2008 Ryan McCabe firstname.lastname@example.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.
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