Reviewed-by: Emilio G. Cota <cota@braap.org>
Signed-off-by: Peter Xu <peterx@redhat.com>
---
 configure | 1 +
 1 file changed, 1 insertion(+)

diff --git a/configure b/configure
index a80af735b2..87453edd88 100755
--- a/configure
+++ b/configure
@@ -1005,6 +1005,7 @@ for opt do
   --enable-debug)
       # Enable debugging options that aren't excessively noisy
       debug_tcg="yes"
+      debug_mutex="yes"
       debug="yes"
       strip_opt="no"
       fortify_source="no"
-- 
2.14.3