--- a/src/cx/common.h	Tue Dec 28 14:16:04 2021 +0100
+++ b/src/cx/common.h	Tue Dec 28 14:25:05 2021 +0100
@@ -91,6 +91,7 @@
 
 #include <stdlib.h>
 #include <stddef.h>
+#include <stdbool.h>
 
 #ifdef _WIN32
 #if !(defined __ssize_t_defined || defined _SSIZE_T_)