[PATCH] fix 32 bit compilation on MinGW-w64

[Andrey Borzenkov]

Use _FILE_OFFSET_BITS macro to distinguish between native MinGW and
32 bit under MinGW-64. The latter does not require fseeko/ftello
redefinition which it already does in case of _FILE_OFFSET_BITS=64.

---
 include/grub/osdep/hostfile_windows.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/include/grub/osdep/hostfile_windows.h 
b/include/grub/osdep/hostfile_windows.h
index 36615b2..79efcfa 100644
--- a/include/grub/osdep/hostfile_windows.h
+++ b/include/grub/osdep/hostfile_windows.h
@@ -69,8 +69,11 @@ enum grub_util_fd_open_flags_t
 
 #if defined (__MINGW32__) && !defined (__MINGW64__)
 
+/* 32 bit on MinGW-64 already redefines them if _FILE_OFFSET_BITS=64 */
+#if !defined(_FILE_OFFSET_BITS)
 #define fseeko fseeko64
 #define ftello ftello64
+#endif
 
 #endif
 
-- 
tg: (093dec7..) u/mingw/fseeko (depends on: master)