[PATCH 7/9] unwind: add libdw as a unwinder

[Eugene Syromiatnikov]

On Wed, Mar 14, 2018 at 02:28:12AM +0900, Masatake YAMATO wrote:
> + * You should have received a copy of the GNU General Public License
> + * along with this program; if not, write to the Free Software
> + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
> + * 02110-1301 USA

There's no copy of the GNU GPL distributed with strace; in fact, strace
is BSD-licensed currently.