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-rw-r--r--scripts/qapi.py11
1 files changed, 6 insertions, 5 deletions
diff --git a/scripts/qapi.py b/scripts/qapi.py
index ac0e45e2e6..817d824bea 100644
--- a/scripts/qapi.py
+++ b/scripts/qapi.py
@@ -1035,11 +1035,12 @@ def open_output(output_dir, do_c, do_h, prefix, c_file, h_file,
     c_file = output_dir + prefix + c_file
     h_file = output_dir + prefix + h_file
 
-    try:
-        os.makedirs(output_dir)
-    except os.error, e:
-        if e.errno != errno.EEXIST:
-            raise
+    if output_dir:
+        try:
+            os.makedirs(output_dir)
+        except os.error, e:
+            if e.errno != errno.EEXIST:
+                raise
 
     def maybe_open(really, name, opt):
         if really: