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-rw-r--r--py/mpconfig.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/py/mpconfig.h b/py/mpconfig.h
index 42ef19b72c..aaf1bc6125 100644
--- a/py/mpconfig.h
+++ b/py/mpconfig.h
@@ -555,6 +555,11 @@ typedef double mp_float_t;
#define MICROPY_BUILTIN_METHOD_CHECK_SELF_ARG (1)
#endif
+// Whether to use internally defined errno's (otherwise system provided ones)
+#ifndef MICROPY_USE_INTERNAL_ERRNO
+#define MICROPY_USE_INTERNAL_ERRNO (0)
+#endif
+
// Support for user-space VFS mount (selected ports)
#ifndef MICROPY_FSUSERMOUNT
#define MICROPY_FSUSERMOUNT (0)