libsigcxx2 (devel/libsigcxx2) Updated: 2 years, 8 months ago Add to my watchlist

C++ signal callback system

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.

Version: 2.12.1 License: LGPL-2.1 GitHub
Displaying statistics for 1,257 users who made submissions during: until

Statistics for selected duration

2026-May-17 to 2026-Jun-16


Total Installations 94
Requested Installations 10


macOS Versions

Loading Chart

Port Versions

Loading Chart



Xcode Versions

Loading Chart

CLT Versions

Loading Chart



Variants table

Variants Count


Monthly Statistics

Can remain cached for up to 24 hours