--- a/lib-src/libnyquist/nyquist/nyqstk/include/Stk.h	2023-04-04 08:28:25.060827847 -0400
+++ a/lib-src/libnyquist/nyquist/nyqstk/include/Stk.h	2023-04-04 08:30:22.174162825 -0400
@@ -47,6 +47,7 @@ 
 #endif
 
 #include <stddef.h>
+#include <stdint.h>
 #include <string>
 #include <iostream>
 #include <sstream>
@@ -355,10 +356,6 @@ 
 typedef signed int SINT32;
 typedef float FLOAT32;
 typedef double FLOAT64;
-// added by RBD
-#ifdef __linux__
-#define intptr_t long
-#endif
 
 // The default sampling rate.
 const StkFloat SRATE = 44100.0;