1 files changed, 3 insertions, 0 deletions
diff --git a/src/sync.cpp b/src/sync.cpp
index 116533eb41..3f51383ea2 100644
--- a/src/sync.cpp
+++ b/src/sync.cpp
@@ -11,6 +11,9 @@
 #include <stdio.h>
 
 #ifdef DEBUG_LOCKCONTENTION
+#if !defined(HAVE_THREAD_LOCAL)
+static_assert(false, "thread_local is not supported");
+#endif
 void PrintLockContention(const char* pszName, const char* pszFile, int nLine)
 {
     LogPrintf("LOCKCONTENTION: %s\n", pszName);