--- libnfs-libnfs-2.0.0/include/libnfs-private.h.orig	2018-05-29 12:17:18.089075800 +0300
+++ libnfs-libnfs-2.0.0/include/libnfs-private.h	2018-05-29 12:20:11.296180000 +0300
@@ -191,13 +191,17 @@
 void rpc_error_all_pdus(struct rpc_context *rpc, const char *error);
 
 void rpc_set_error(struct rpc_context *rpc, const char *error_string, ...)
-#ifdef __GNUC__
+#if defined(__MINGW32__) && defined(__USE_MINGW_ANSI_STDIO)
+ __attribute__((format(gnu_printf, 2, 3)))
+#elif defined __GNUC__
  __attribute__((format(printf, 2, 3)))
 #endif
 ;
 
 void nfs_set_error(struct nfs_context *nfs, char *error_string, ...)
-#ifdef __GNUC__
+#if defined(__MINGW32__) && defined(__USE_MINGW_ANSI_STDIO)
+ __attribute__((format(gnu_printf, 2, 3)))
+#elif defined __GNUC__
  __attribute__((format(printf, 2, 3)))
 #endif
 ;