Package author posts: > Better compile using G++-4.0. 4.1 fails with an internal compiler error > compiling ToneStack.cc. I filed a bug for the debian G++-4.1 as instructed. > G++-4.0 compiles fine. Just edit the makefile and swap "-O3" with "-O2" in the OPTS section. The FSF doesnt seem to be kidding when they say -O2 is the only tested optimisation level for GCC. Released software should be compiled with "-O2" IMHO.