-# serial 20
+# serial 21
-# Copyright (C) 2001, 2003, 2005, 2006, 2009 Free Software Foundation, Inc.
+# Copyright (C) 2001, 2003, 2005-2006, 2009-2010 Free Software Foundation, Inc.
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
# with or without modifications, as long as this notice is preserved.
[
AC_REQUIRE([AC_CANONICAL_HOST])
AC_REQUIRE([gl_STDIO_H_DEFAULTS])
+ AC_CHECK_FUNCS_ONCE([lstat])
dnl Solaris 10 mistakenly allows rename("file","name/").
dnl NetBSD 1.6 mistakenly forbids rename("dir","name/").
+ dnl FreeBSD 7.2 mistakenly allows rename("file","link-to-file/").
dnl The Solaris bug can be worked around without stripping
dnl trailing slash, while the NetBSD bug requires stripping;
dnl the two conditions can be distinguished by whether hard
dnl links are also broken.
AC_CACHE_CHECK([whether rename honors trailing slash on destination],
[gl_cv_func_rename_slash_dst_works],
- [rm -rf conftest.f conftest.f1 conftest.d1 conftest.d2
+ [rm -rf conftest.f conftest.f1 conftest.d1 conftest.d2 conftest.lnk
touch conftest.f && mkdir conftest.d1 ||
AC_MSG_ERROR([cannot create temporary files])
+ # Assume that if we have lstat, we can also check symlinks.
+ if test $ac_cv_func_lstat = yes; then
+ ln -s conftest.f conftest.lnk
+ fi
AC_RUN_IFELSE([AC_LANG_PROGRAM([[
# include <stdio.h>
# include <stdlib.h>
]], [if (rename ("conftest.f", "conftest.f1/") == 0) return 1;
- if (rename ("conftest.d1", "conftest.d2/") != 0) return 2;])],
+ if (rename ("conftest.d1", "conftest.d2/") != 0) return 2;
+#if HAVE_LSTAT
+ if (rename ("conftest.f", "conftest.lnk/") == 0) return 3;
+#endif
+ ])],
[gl_cv_func_rename_slash_dst_works=yes],
[gl_cv_func_rename_slash_dst_works=no],
dnl When crosscompiling, assume rename is broken.
[gl_cv_func_rename_slash_dst_works="guessing no"])
- rm -rf conftest.f conftest.f1 conftest.d1 conftest.d2
+ rm -rf conftest.f conftest.f1 conftest.d1 conftest.d2 conftest.lnk
])
if test "x$gl_cv_func_rename_slash_dst_works" != xyes; then
AC_LIBOBJ([rename])
dnl SunOS 4.1.1_U1 mistakenly forbids rename("dir/","name").
dnl Solaris 9 mistakenly allows rename("file/","name").
+ dnl FreeBSD 7.2 mistakenly allows rename("link-to-file/","name").
dnl These bugs require stripping trailing slash to avoid corrupting
dnl symlinks with a trailing slash.
AC_CACHE_CHECK([whether rename honors trailing slash on source],
[gl_cv_func_rename_slash_src_works],
- [rm -rf conftest.f conftest.d1 conftest.d2
+ [rm -rf conftest.f conftest.d1 conftest.d2 conftest.lnk
touch conftest.f && mkdir conftest.d1 ||
AC_MSG_ERROR([cannot create temporary files])
+ # Assume that if we have lstat, we can also check symlinks.
+ if test $ac_cv_func_lstat = yes; then
+ ln -s conftest.f conftest.lnk
+ fi
AC_RUN_IFELSE([AC_LANG_PROGRAM([[
# include <stdio.h>
# include <stdlib.h>
]], [if (rename ("conftest.f/", "conftest.d2") == 0) return 1;
- if (rename ("conftest.d1/", "conftest.d2") != 0) return 2;])],
+ if (rename ("conftest.d1/", "conftest.d2") != 0) return 2;
+#if HAVE_LSTAT
+ if (rename ("conftest.lnk/", "conftest.f") == 0) return 3;
+#endif
+ ])],
[gl_cv_func_rename_slash_src_works=yes],
[gl_cv_func_rename_slash_src_works=no],
dnl When crosscompiling, assume rename is broken.
[gl_cv_func_rename_slash_src_works="guessing no"])
- rm -rf conftest.f conftest.d1 conftest.d2
+ rm -rf conftest.f conftest.d1 conftest.d2 conftest.lnk
])
if test "x$gl_cv_func_rename_slash_src_works" != xyes; then
AC_LIBOBJ([rename])