From 7c04888cf9809e0c73f0813c74e8dd972facde3a Mon Sep 17 00:00:00 2001
From: Keith Packard <keithp@keithp.com>
Date: Sun, 5 Aug 2018 12:23:22 +0800
Subject: altos: Switch to newlib-nano for libc on arm

Stop using pdclib

Signed-off-by: Keith Packard <keithp@keithp.com>
---
 src/kernel/ao.h | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'src/kernel/ao.h')

diff --git a/src/kernel/ao.h b/src/kernel/ao.h
index 0a3981d7..204eaae7 100644
--- a/src/kernel/ao.h
+++ b/src/kernel/ao.h
@@ -26,6 +26,15 @@
 #include <ao_pins.h>
 #include <ao_arch.h>
 
+/* replace stdio macros with direct calls to our functions */
+#undef putchar
+#undef getchar
+#define putchar(c)	ao_putchar(c)
+#define getchar		ao_getchar
+
+extern int ao_putchar(char c);
+extern char ao_getchar(void);
+
 #define TRUE 1
 #define FALSE 0
 
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