--- misc/xmlsec1-1.2.14/apps/cmdline.c
+++ misc/build/xmlsec1-1.2.14/apps/cmdline.c
@@ -6,9 +6,13 @@
  * See Copyright for the status of this software.
  * 
  * Copyright (C) 2002-2003 Aleksey Sanin <aleksey@aleksey.com>
  */
-#if defined(_MSC_VER)
+/*  A C runtime from VS2015 onwards supplies a conforming snprintf of its
+    own, and refuses to be compiled with the name taken as a macro
+    (C1189).  Older runtimes, which is every one this shim was written
+    for, keep it. */
+#if defined(_MSC_VER) && (_MSC_VER < 1900)
 #define snprintf _snprintf
 #endif
 
 #include <stdio.h>
--- misc/xmlsec1-1.2.14/apps/crypto.c
+++ misc/build/xmlsec1-1.2.14/apps/crypto.c
@@ -6,9 +6,13 @@
  * See Copyright for the status of this software.
  * 
  * Copyright (C) 2002-2003 Aleksey Sanin <aleksey@aleksey.com>
  */
-#if defined(_MSC_VER)
+/*  A C runtime from VS2015 onwards supplies a conforming snprintf of its
+    own, and refuses to be compiled with the name taken as a macro
+    (C1189).  Older runtimes, which is every one this shim was written
+    for, keep it. */
+#if defined(_MSC_VER) && (_MSC_VER < 1900)
 #define snprintf _snprintf
 #endif
 
 #include <string.h>
--- misc/xmlsec1-1.2.14/apps/xmlsec.c
+++ misc/build/xmlsec1-1.2.14/apps/xmlsec.c
@@ -8,9 +8,13 @@
 #include <stdlib.h>
 #include <string.h>
 #include <time.h>
 
-#if defined(_MSC_VER)
+/*  A C runtime from VS2015 onwards supplies a conforming snprintf of its
+    own, and refuses to be compiled with the name taken as a macro
+    (C1189).  Older runtimes, which is every one this shim was written
+    for, keep it. */
+#if defined(_MSC_VER) && (_MSC_VER < 1900)
 #define snprintf _snprintf
 #endif
 
 #include <libxml/tree.h>