From eba67e56fccbb6ebf73c187f8753d3cfd37b3858 Mon Sep 17 00:00:00 2001
From: Stefan Rueger <stefan.rueger@urclocks.com>
Date: Tue, 19 Jul 2022 07:42:44 +0100
Subject: [PATCH] Make realpath() available for MSC and MINGW32

---
 src/config_gram.y | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/config_gram.y b/src/config_gram.y
index 2c6c1f46..fa74bec9 100644
--- a/src/config_gram.y
+++ b/src/config_gram.y
@@ -30,6 +30,10 @@
 #include "libavrdude.h"
 #include "config.h"
 
+#if defined(_MSC_VER) || defined(__MINGW32__)
+#define realpath(N,R) _fullpath((R), (N), PATH_MAX)
+#endif
+
 #if defined(WIN32)
 #define strtok_r( _s, _sep, _lasts ) \
     ( *(_lasts) = strtok( (_s), (_sep) ) )