diff --git a/pylib/gyp/__init__.py b/pylib/gyp/__init__.py
index 6790ef96..de5a4b7b 100755
--- a/pylib/gyp/__init__.py
+++ b/pylib/gyp/__init__.py
@@ -103,6 +103,18 @@ def Load(
     for (key, val) in generator.generator_default_variables.items():
         default_variables.setdefault(key, val)
 
+    output_dir = params["options"].generator_output or params["options"].toplevel_dir
+    if default_variables["GENERATOR"] == "ninja":
+        default_variables.setdefault(
+            "PRODUCT_DIR_ABS",
+            os.path.join(output_dir, "out", default_variables["build_type"]),
+        )
+    else:
+        default_variables.setdefault(
+            "PRODUCT_DIR_ABS",
+            os.path.join(output_dir, default_variables["CONFIGURATION_NAME"]),
+        )
+
     # Give the generator the opportunity to set additional variables based on
     # the params it will receive in the output phase.
     if getattr(generator, "CalculateVariables", None):
@@ -663,4 +675,4 @@ def script_main():
 
 
 if __name__ == "__main__":
-    sys.exit(script_main())
+    sys.exit(script_main())
\ No newline at end of file