doc: Mention the effects of AC_SYS_LARGEFILE.

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

diff --git a/doc/posix-functions/aio_error.texi b/doc/posix-functions/aio_error.texi
index 43de4fc..971f4c0 100644 (file)
--- a/doc/posix-functions/aio_error.texi
+++ b/doc/posix-functions/aio_error.texi
@@ -15,4 +15,8 @@ Portability problems not fixed by Gnulib:
 @item
 This function is missing on some platforms:
 NetBSD 3.0, OpenBSD 3.8, AIX 5.1, OSF/1 5.1, Solaris 2.4, Cygwin, mingw, Interix 3.5, BeOS.
+@item
+On platforms where @code{off_t} is a 32-bit type, this function may not
+work correctly on files larger than 2 GB.  The fix is to use the
+@code{AC_SYS_LARGEFILE} macro.
 @end itemize