--- a/CRC32Stream.st	Mon Mar 18 11:03:59 2019 +0100
+++ b/CRC32Stream.st	Mon Mar 18 13:59:04 2019 +0100
@@ -43,6 +43,15 @@
 #  define HAS_CRC
 # endif
 
+# if defined(__MINGW__)
+#  ifdef __LP64__
+#   define uint64_t       __uint64__
+#  endif
+   typedef unsigned int   uint32_t;
+   typedef unsigned short uint16_t;
+   typedef unsigned char  uint8_t;
+# endif
+
 #ifdef HAS_CRC
 
 # ifdef __LP64__