Index: strace-5.12/src/unwind.c
===================================================================
--- strace-5.12.orig/src/unwind.c	2018-12-10 01:00:00.000000000 +0100
+++ strace-5.12/src/unwind.c	2020-06-02 11:13:42.777871147 +0200
@@ -9,6 +9,12 @@
 #include "unwind.h"
 
 #ifdef USE_DEMANGLE
+/*
+ * demangle.h defines ARRAY_SIZE without proper guard, and its definition
+ * is "good enough" for us.
+ */
+#undef ARRAY_SIZE
+
 # if defined HAVE_DEMANGLE_H
 #  include <demangle.h>
 # elif defined HAVE_LIBIBERTY_DEMANGLE_H