Delcypher <delcypher@xxxxxxxxx> writes: > Out of interest when you do build using --enable-libstdcxx-debug . How > do you tell g++ to use the separately built debugging libraries? It's gdb that you need to tell about the libraries. When everything is configured properly, you don't need to tell gdb anything. Otherwise, use "set debug-file-directory" to tell gdb where to look for the debug files. See the gdb manual for details. Ian