--- libmkv.orig/src/matroska.c 2009-01-12 23:14:26.000000000 -0800 +++ libmkv/src/matroska.c 2009-03-25 15:22:30.000000000 -0700 @@ -27,6 +27,11 @@ #include +#if defined( __MINGW32__ ) +#undef fseeko +#define fseeko fseeko64 +#endif + #define RESERVED_SEEKHEAD 0x100 /* 256 bytes should be enough room for our Seek entries. */ #define RESERVED_CHAPTERS 0x800 @@ -34,7 +39,7 @@ int mk_seekFile(mk_Writer *w, uint64_t pos) { - if (fseek(w->fp, pos, SEEK_SET)) + if (fseeko(w->fp, pos, SEEK_SET)) return -1; w->f_pos = pos;