symlink on AIX 7.1BETA

[Bruno Haible]

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  <address@hidden>

        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])