* m4/fcntl-o.m4 (gl_FCNTL_O_FLAGS): Check for AIX 7.1 bug
that caused a GNU tar test failure. Problem reported by Jez Wain; see
<http://lists.gnu.org/archive/html/bug-tar/2012-07/msg00018.html>.
+2012-09-10 Paul Eggert <eggert@cs.ucla.edu>
+
+ fcntl-h: check for AIX 7.1 bug with O_NOFOLLOW and O_CREAT
+ * m4/fcntl-o.m4 (gl_FCNTL_O_FLAGS): Check for AIX 7.1 bug
+ that caused a GNU tar test failure. Problem reported by Jez Wain; see
+ <http://lists.gnu.org/archive/html/bug-tar/2012-07/msg00018.html>.
+
2012-09-06 Eric Blake <eblake@redhat.com>
net_if: give more details about the bug being fixed
#if HAVE_SYMLINK
{
static char const sym[] = "conftest.sym";
- if (symlink (".", sym) != 0)
+ if (symlink ("/dev/null", sym) != 0)
+ result |= 2;
+ else
+ {
+ int fd = open (sym, O_WRONLY | O_NOFOLLOW | O_CREAT, 0);
+ if (fd >= 0)
+ {
+ close (fd);
+ result |= 1;
+ }
+ }
+ if (unlink (sym) != 0 || symlink (".", sym) != 0)
result |= 2;
else
{