$OpenBSD: patch-third_party_boringssl_src_crypto_bn_generic_c,v 1.1 2015/10/14 16:42:07 robert Exp $
--- third_party/boringssl/src/crypto/bn/generic.c.orig.port	Wed Oct 14 09:03:41 2015
+++ third_party/boringssl/src/crypto/bn/generic.c	Wed Oct 14 09:04:43 2015
@@ -72,7 +72,9 @@
 #if defined(OPENSSL_WINDOWS)
 #define alloca _alloca
 #else
+#if !defined(__OpenBSD__)
 #include <alloca.h>
+#endif
 #endif
 
 #ifdef BN_LLONG
