unlink on AIX 7.1BETA

[Bruno Haible]

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  <address@hidden>

        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