--- numpy-1.17.0/numpy/core/include/numpy/npy_common.h.orig	2019-08-03 12:42:33.905141400 +0300
+++ numpy-1.17.0/numpy/core/include/numpy/npy_common.h	2019-08-03 12:43:02.271763900 +0300
@@ -160,7 +160,7 @@
     #include <io.h>
 
 /* mingw based on 3.4.5 has lseek but not ftell/fseek */
-#if defined(__MINGW32__) || defined(__MINGW64__)
+#if defined(__MINGW32__) && !defined(__MINGW64_VERSION_MAJOR)
 extern int __cdecl _fseeki64(FILE *, long long, int);
 extern long long __cdecl _ftelli64(FILE *);
 #endif