The logs say:
configure:53029: checking whether symlink handles trailing slash correctly
configure:53051: xlc -o conftest -g -D_THREAD_SAFE conftest.c >&5
configure:53051: $? = 0
configure:53051: ./conftest
configure:53051: $? = 1
configure: program exited with status 1
gl_cv_func_symlink_works=${gl_cv_func_symlink_works=no}
2010-07-30 Bruno Haible <br...@clisp.org>
symlink: Update regarding AIX.
* doc/posix-functions/symlink.texi: Mention bug on AIX 7.1.
* m4/symlink.m4 (gl_FUNC_SYMLINK): Update comment.
Reported by Rainer Tammer.
--- doc/posix-functions/symlink.texi.orig Fri Jul 30 21:23:04 2010
+++ doc/posix-functions/symlink.texi Fri Jul 30 12:52:36 2010
@@ -11,7 +11,7 @@
@item
On some systems, @code{symlink(value,"name/")} mistakenly creates a
symlink:
-FreeBSD 7.2, Solaris 9
+FreeBSD 7.2, AIX 7.1, Solaris 9.
@item
This function is missing on some platforms; however, the replacement
always fails with @code{EPERM}:
--- m4/symlink.m4.orig Fri Jul 30 21:23:04 2010
+++ m4/symlink.m4 Fri Jul 30 12:53:31 2010
@@ -1,4 +1,4 @@
-# serial 2
+# serial 3
# See if we need to provide symlink replacement.
dnl Copyright (C) 2009, 2010 Free Software Foundation, Inc.
@@ -13,8 +13,8 @@
AC_REQUIRE([gl_UNISTD_H_DEFAULTS])
AC_CHECK_FUNCS_ONCE([symlink])
dnl The best we can do on mingw is provide a dummy that always fails, so
- dnl that compilation can proceed with fewer ifdefs. On Solaris 9 and
- dnl FreeBSD 7.2, we want to fix a bug with trailing slash handling.
+ dnl that compilation can proceed with fewer ifdefs. On FreeBSD 7.2, AIX 7.1,
+ dnl and Solaris 9, we want to fix a bug with trailing slash handling.
if test $ac_cv_func_symlink = no; then
HAVE_SYMLINK=0
AC_LIBOBJ([symlink])
