X-Git-Url: http://winboard.nl/cgi-bin?a=blobdiff_plain;f=backend.h;h=abc4230e78cccc75cbf90731102a009f053760dd;hb=f3613d892c55647b27b0d42b9766e7435e32794b;hp=cddf34bd66628a844f0b1ba2765faf2148be6a5e;hpb=d96ffe6df6b1327912445cd71b47d1633316d372;p=xboard.git

diff --git a/backend.h b/backend.h
index cddf34b..abc4230 100644
--- a/backend.h
+++ b/backend.h
@@ -5,7 +5,7 @@
  * Massachusetts.
  *
  * Enhancements Copyright 1992-2001, 2002, 2003, 2004, 2005, 2006,
- * 2007, 2008, 2009 Free Software Foundation, Inc.
+ * 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
  *
  * Enhancements Copyright 2005 Alessandro Scotti
  *
@@ -70,11 +70,17 @@
        #else
                /* place holder
                 * or dummy types for other compiler
+                * [HGM] seems that -mno-cygwin comple needs %I64?
                 */
                #define u64 unsigned long long
                #define s64 signed long long
-               #define u64Display "%llu"
-               #define s64Display "%lld"
+               #ifdef __MINGW32__
+                  #define u64Display "%I64u"
+                  #define s64Display "%I64d"
+               #else
+                  #define u64Display "%llu"
+                  #define s64Display "%lld"
+               #endif
                #define u64Const(c) (c ## ULL)
                #define s64Const(c) (c ## LL)
        #endif