From a0b5239a7c040e5694b62993ee09d3bfbc589b03 Mon Sep 17 00:00:00 2001
From: Rudolf Polzer <divverent@alientrap.org>
Date: Tue, 7 Sep 2010 19:47:41 +0200
Subject: [PATCH] work around missing BN_*_negative on Crap OS X

---
 d0_bignum-openssl.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/d0_bignum-openssl.c b/d0_bignum-openssl.c
index b4fc873..ef7985a 100644
--- a/d0_bignum-openssl.c
+++ b/d0_bignum-openssl.c
@@ -46,6 +46,14 @@
 #include <string.h>
 #include <openssl/bn.h>
 
+// for stupid OpenSSL versions in Mac OS X
+#ifndef BN_is_negative
+#define BN_is_negative(a) ((a)->neg != 0)
+#endif
+#ifndef BN_set_negative
+#define BN_set_negative(a,n) ((a)->neg = ((n) && !BN_is_zero(b)))
+#endif
+
 struct d0_bignum_s
 {
 	BIGNUM z;
-- 
2.39.2