Hi, There is a compile issue with gcc 4.6 in RTC component: In file included from [...]/src/sid/component/rtc/ds1x42.cxx:9:0: [...]/src/sid/component/rtc/components.h:214:7: error: looser throw specifier for 'virtual ds1742::~ds1742()' [...]/src/sid/component/rtc/components.h:63:3: error: overriding 'virtual ds1642::~ds1642() throw ()' Patch attached. Aurélien