Just a note here also, in case you have forgotten about it.
In file included from src/Stages.cpp:2:
In file included from ./eurorack/stages/segment_generator.h:35:
./eurorack/stages/delay_line_16_bits.h:68:10: warning: 'const' type qualifier on
return type has no effect [-Wignored-qualifiers]
inline const float Read(float delay) const {
^~~~~~
src/Stages.cpp:62:42: error: no member named 'active' in 'rack::engine::Input'
bool gated = (*gateInputs)[first + i].active;
~~~~~~~~~~~~~~~~~~~~~~~~ ^
1 warning and 1 error generated.
make: *** [build/src/Stages.cpp.o] Error 1
Just a note here also, in case you have forgotten about it.