openat: Work around compilation error with OSF/1 5.1 DTK cc.

[gnulib.git] / doc / posix-functions / rewinddir.texi

diff --git a/doc/posix-functions/rewinddir.texi b/doc/posix-functions/rewinddir.texi
index 67dd286..4492d4f 100644 (file)
--- a/doc/posix-functions/rewinddir.texi
+++ b/doc/posix-functions/rewinddir.texi
@@ -12,4 +12,8 @@ Portability problems fixed by Gnulib:
 
 Portability problems not fixed by Gnulib:
 @itemize
+@item
+On platforms where @code{long int} is a 32-bit type, this function may not
+work correctly on huge directories larger than 2 GB.  The fix is to use
+the @code{AC_SYS_LARGEFILE} macro (only on MacOS X systems).
 @end itemize