The logs say:
configure:12653: checking whether unlink honors trailing slashes
configure:12683: xlc -o conftest -g -D_THREAD_SAFE conftest.c >&5
configure:12683: $? = 0
configure:12683: ./conftest
configure:12683: $? = 1
configure: program exited with status 1
gl_cv_func_unlink_honors_slashes=${gl_cv_func_unlink_honors_slashes=no}
2010-07-30 Bruno Haible <br...@clisp.org>
unlink: Update regarding AIX.
* doc/posix-functions/unlink.texi: Mention bug on AIX 7.1.
* m4/unlink.m4 (gl_FUNC_UNLINK): Update comment.
Reported by Rainer Tammer.
--- doc/posix-functions/unlink.texi.orig Fri Jul 30 21:23:04 2010
+++ doc/posix-functions/unlink.texi Fri Jul 30 12:56:17 2010
@@ -10,7 +10,7 @@
@itemize
@item
Some systems mistakenly succeed on @code{unlink("link-to-file/")}:
-GNU/Hurd, FreeBSD 7.2, Solaris 9.
+GNU/Hurd, FreeBSD 7.2, AIX 7.1, Solaris 9.
@item
On MacOS X 10.5.6, in a writable HFS mount, @code{unlink("..")} succeeds
without doing anything.
--- m4/unlink.m4.orig Fri Jul 30 21:23:05 2010
+++ m4/unlink.m4 Fri Jul 30 12:56:02 2010
@@ -1,4 +1,4 @@
-# unlink.m4 serial 4
+# unlink.m4 serial 5
dnl Copyright (C) 2009, 2010 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
@@ -9,7 +9,7 @@
AC_REQUIRE([gl_AC_DOS])
AC_REQUIRE([gl_UNISTD_H_DEFAULTS])
AC_REQUIRE([AC_CANONICAL_HOST])
- dnl Detect Solaris 9 and FreeBSD 7.2 bug.
+ dnl Detect FreeBSD 7.2, AIX 7.1, Solaris 9 bug.
AC_CACHE_CHECK([whether unlink honors trailing slashes],
[gl_cv_func_unlink_honors_slashes],
[touch conftest.file
