After updating from GiNaC v.1.6.1 to v.1.6.2 the following code (which is actually taken from the tutorial) won't compile anymore.
ginac1.cc:(.text+0x36c): undefined reference to `GiNaC::parser::parser(std::map<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, GiNaC::ex, std::less<std::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::allocator<std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> > const, GiNaC::ex> > > const&, bool, std::map<std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, unsigned int>, GiNaC::ex (*)(std::vector<GiNaC::ex, std::allocator<GiNaC::ex> > const&), GiNaC::PrototypeLess, std::allocator<std::pair<std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, unsigned int> const, GiNaC::ex (*)(std::vector<GiNaC::ex, std::allocator<GiNaC::ex> > const&)> > > const&)'