Looking in it, found “-lsigc-2.0” is twice referenced in “LIBS” value … this don’t produce weird issue, but maybe it’s not an expected result.
17> LIBS="-lxml++-2.6 -lxml2 -lglibmm-2.4 -lgobject-2.0 -lsigc-2.0 -lglib-2.0 -lpthread -lsigc-2.0"
see(:ya!