http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57390
Bug ID: 57390 Summary: Fixed point types on AVR are not available in C++ mode Product: gcc Version: 4.8.0 Status: UNCONFIRMED Severity: enhancement Priority: P3 Component: c++ Assignee: unassigned at gcc dot gnu.org Reporter: ambrop7 at gmail dot com As of version 4.8, GCC supports fixed point types for the AVR target. See: http://gcc.gnu.org/wiki/avr-gcc#Fixed-Point_Support However, this is only available in C and not in C++. Please enable fixed point for C++ too. It may have to be hidden behind an option to not break existing C++ code though.