This is Debian GNU/Linux' pre-packaged copy of libsigc++, a library
implementing a typesafe callback framework in C++ by Karl Nelson
<kenelson@ece.ucdavis.edu>

Originally from ftp://download.sourceforge.net/pub/sourceforge/libsigc

Copyright:

Distribution of library and components is under the LGPL as listed in the
file COPYING.LIB.  Examples and tests are Public Domain.

See /usr/share/common-licenses/LGPL for the full license.