File mtx-gcc15.patch of Package mtx
Index: mtx-1.3.12/mtx.h
===================================================================
--- mtx-1.3.12.orig/mtx.h
+++ mtx-1.3.12/mtx.h
@@ -222,7 +222,8 @@ typedef unsigned char Direction_T;
#define Input 0
#define Output 1
#else
-typedef enum { false, true } boolean;
+#include <stdbool.h>
+typedef bool boolean;
typedef enum { Input, Output } Direction_T;
#endif