--- stegosaurus_synth.h.orig 2020-09-19 18:50:03 UTC +++ stegosaurus_synth.h @@ -26,7 +26,7 @@ void stegosaurus_synth_set_osc_waves(int, int, int); #define ENV_STATE_KILL 7 -stegosaurus* stegosaurus_self; +extern stegosaurus* stegosaurus_self; typedef struct