Thanks to Roberto A. Foglietta for libsigc++:
Title: libsigc++-dev.tcz
Description: libsigc++ (develop)
Version: 2.2.3
Author: Various
Original-site: http://libsigc.sourceforge.net/
Copying-policy: GNU LGPL
Size: 312k
Extension_by: Roberto A. Foglietta
Comments: libsigc++ implements a typesafe callback system for standard C++.
It allows you to define signals and to connect those signals to
any callback function, either global or a member function,
regardless of whether it is static or virtual.
Change-log: 2009/06/04 First version
Current: 2009/06/04 First version
Title: libsigc++.tczl
Description: libsigc++
Version: 2.2.3
Author: Various
Original-site: http://libsigc.sourceforge.net/
Copying-policy: GNU LGPL
Size: 8k
Extension_by: Roberto A. Foglietta
Comments: libsigc++ implements a typesafe callback system for standard C++.
It allows you to define signals and to connect those signals to
any callback function, either global or a member function,
regardless of whether it is static or virtual.
Change-log: 2009/06/04 First version
Current: 2009/06/04 First version