From e2ac8bb3f14b076a29244022865e3b47c6c0800a Mon Sep 17 00:00:00 2001
From: Delio Brignoli
Date: Sun, 21 Aug 2016 11:33:37 +0200
Subject: py: Add MICROPY_USE_INTERNAL_PRINTF option, defaults to enabled.

This new config option allows to control whether MicroPython uses its own
internal printf or not (if not, an external one should be linked in).
Accompanying this new option is the inclusion of lib/utils/printf.c in the
core list of source files, so that ports no longer need to include it
themselves.
---
 py/mpconfig.h | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'py/mpconfig.h')

diff --git a/py/mpconfig.h b/py/mpconfig.h
index 455f870ac..e33a41f7a 100644
--- a/py/mpconfig.h
+++ b/py/mpconfig.h
@@ -581,6 +581,11 @@ typedef double mp_float_t;
 #define MICROPY_USE_INTERNAL_ERRNO (0)
 #endif
 
+// Whether to use internally defined *printf() functions (otherwise external ones)
+#ifndef MICROPY_USE_INTERNAL_PRINTF
+#define MICROPY_USE_INTERNAL_PRINTF (1)
+#endif
+
 // Support for user-space VFS mount (selected ports)
 #ifndef MICROPY_FSUSERMOUNT
 #define MICROPY_FSUSERMOUNT (0)
-- 
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