Source: bambootracker Version: 0.4.5-1 Severity: serious Tags: ftbfs https://buildd.debian.org/status/package.php?p=bambootracker&suite=sid
... midi/RtMidi/RtMidi.cpp: In function ‘void* alsaMidiHandler(void*)’: midi/RtMidi/RtMidi.cpp:1664:26: error: comparison of integer expressions of different signedness: ‘unsigned int’ and ‘__syscall_slong_t’ {aka ‘long int’} [-Werror=sign-compare] 1664 | if ( x.tv_nsec < y.tv_nsec ) { | ~~~~~~~~~~^~~~~~~~~~~ ... The best solution would be to use librtmidi-dev instead of an own copy. The quick workaround would be to stop forcing errors in CPP_WARNING_FLAGS in BambooTracker/BambooTracker.pro