Seems this file supports every archaic target in existence, but
not MSVC. I've patched it like:
--- a/lib/fseeko.c 2016-01-30 20:42:16
+++ b/lib/fseeko.c 2016-01-31 10:25:06
@@ -100,7 +100,7 @@
#elif defined EPLAN9 /* Plan9 */
if (fp->rp == fp->buf
&& fp->wp == fp->buf)
-#elif FUNC_FFLUSH_STDIN < 0 && 200809 <= _POSIX_VERSION
+#elif FUNC_FFLUSH_STDIN < 0 && 200809 <= _POSIX_VERSION || _MSC_VER
/* Cross-compiling to some other system advertising conformance to
POSIX.1-2008 or later. Assume fseeko and fflush work as advertised.
If this assumption is incorrect, please report the bug to
but I've no idea if it's correct. Any pointers?
--
--gv