Index: src/libs/utils/qtcassert.cpp
--- src/libs/utils/qtcassert.cpp.orig
+++ src/libs/utils/qtcassert.cpp
@@ -40,7 +40,7 @@ void dumpBacktrace(int maxdepth)
 {
     if (maxdepth == -1)
         maxdepth = 1000;
-#if defined(Q_OS_UNIX)
+#if defined(Q_OS_UNIX) && !defined(__OpenBSD__)
     void *bt[1000] = {nullptr};
     int size = backtrace(bt, sizeof(bt) / sizeof(bt[0]));
     char **lines = backtrace_symbols(bt, size);
