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-rw-r--r--py/mpconfig.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/py/mpconfig.h b/py/mpconfig.h
index 4209b32c6..095b7ef7b 100644
--- a/py/mpconfig.h
+++ b/py/mpconfig.h
@@ -666,6 +666,13 @@ typedef double mp_float_t;
/*****************************************************************************/
/* Fine control over Python builtins, classes, modules, etc */
+// Whether to support multiple inheritance of Python classes. Multiple
+// inheritance makes some C functions inherently recursive, and adds a bit of
+// code overhead.
+#ifndef MICROPY_MULTIPLE_INHERITANCE
+#define MICROPY_MULTIPLE_INHERITANCE (1)
+#endif
+
// Whether to implement attributes on functions
#ifndef MICROPY_PY_FUNCTION_ATTRS
#define MICROPY_PY_FUNCTION_ATTRS (0)