Callback framework for C++

Current versions

libsigc++ requires the following formula to be installed:
xz 5.2.3 General-purpose data compression with high compression ratio

Reverse dependencies

The following formulae require libsigc++ to be installed:
glibmm 2.54.1 C++ interface to glib
synfig 1.0.2_2 Command-line renderer

Recent formula history

ilovezfs Use “squiggly” heredocs.
Miguel Araújo libsigc++: fix audit about sourceforge link

Formula code at GitHub