--- hdf5-1.12.0/src/H5win32defs.h.orig	2020-04-26 11:37:52.834712700 +0300
+++ hdf5-1.12.0/src/H5win32defs.h	2020-04-26 11:39:17.538284100 +0300
@@ -42,7 +42,7 @@
 #define HDisatty(F)         _isatty(F)
 
 /* The isnan function needs underscore in VS2012 and earlier */
-#if (_MSC_VER <= 1700)
+#if defined(_MSC_VER) && (_MSC_VER <= 1700)
   #define HDisnan(X)      _isnan(X)
 #endif /* MSC_VER < 1700 */
 
--- hdf5-1.12.0/CMakeLists.txt.orig	2020-04-26 12:05:18.605661900 +0300
+++ hdf5-1.12.0/CMakeLists.txt	2020-04-26 12:05:38.999021600 +0300
@@ -564,7 +564,7 @@
 set (EXE_EXT "")
 if (WIN32 OR MINGW)
   set (EXE_EXT ".exe")
-  add_compile_definitions (_BIND_TO_CURRENT_VCLIBS_VERSION=1 _CRT_SECURE_NO_WARNINGS _CONSOLE)
+  add_compile_definitions (_BIND_TO_CURRENT_VCLIBS_VERSION=1 _CRT_SECURE_NO_WARNINGS _CONSOLE __USE_MINGW_ANSI_STDIO=1)
 endif ()
 
 if (MSVC)