-# serial 21
+# serial 25
-# Copyright (C) 2001, 2003, 2005-2006, 2009 Free Software Foundation, Inc.
+# Copyright (C) 2001, 2003, 2005-2006, 2009-2012 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([gl_STDIO_H_DEFAULTS])
AC_CHECK_FUNCS_ONCE([lstat])
- dnl Solaris 10 mistakenly allows rename("file","name/").
+ dnl Solaris 10, AIX 7.1 mistakenly allow 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 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 conftest.lnk
- touch conftest.f && mkdir conftest.d1 ||
+ [rm -rf conftest.f conftest.f1 conftest.f2 conftest.d1 conftest.d2 conftest.lnk
+ touch conftest.f && touch conftest.f1 && mkdir conftest.d1 ||
AC_MSG_ERROR([cannot create temporary files])
# Assume that if we have lstat, we can also check symlinks.
if test $ac_cv_func_lstat = yes; then
ln -s conftest.f conftest.lnk
fi
- AC_RUN_IFELSE([AC_LANG_PROGRAM([[
-# include <stdio.h>
-# include <stdlib.h>
-]], [if (rename ("conftest.f", "conftest.f1/") == 0) return 1;
- if (rename ("conftest.d1", "conftest.d2/") != 0) return 2;
+ AC_RUN_IFELSE(
+ [AC_LANG_PROGRAM([[
+# include <stdio.h>
+# include <stdlib.h>
+ ]],
+ [[int result = 0;
+ if (rename ("conftest.f1", "conftest.f2/") == 0)
+ result |= 1;
+ if (rename ("conftest.d1", "conftest.d2/") != 0)
+ result |= 2;
#if HAVE_LSTAT
- if (rename ("conftest.f", "conftest.lnk/") == 0) return 3;
+ if (rename ("conftest.f", "conftest.lnk/") == 0)
+ result |= 4;
#endif
- ])],
+ return result;
+ ]])],
[gl_cv_func_rename_slash_dst_works=yes],
[gl_cv_func_rename_slash_dst_works=no],
dnl When crosscompiling, assume rename is broken.
[gl_cv_func_rename_slash_dst_works="guessing no"])
- rm -rf conftest.f conftest.f1 conftest.d1 conftest.d2 conftest.lnk
+ rm -rf conftest.f conftest.f1 conftest.f2 conftest.d1 conftest.d2 conftest.lnk
])
if test "x$gl_cv_func_rename_slash_dst_works" != xyes; then
- AC_LIBOBJ([rename])
REPLACE_RENAME=1
AC_DEFINE([RENAME_TRAILING_SLASH_DEST_BUG], [1],
[Define if rename does not correctly handle slashes on the destination
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 conftest.lnk
- touch conftest.f && mkdir conftest.d1 ||
+ [rm -rf conftest.f conftest.f1 conftest.d1 conftest.d2 conftest.d3 conftest.lnk
+ touch conftest.f && touch conftest.f1 && mkdir conftest.d1 ||
AC_MSG_ERROR([cannot create temporary files])
# Assume that if we have lstat, we can also check symlinks.
if test $ac_cv_func_lstat = yes; then
ln -s conftest.f conftest.lnk
fi
- AC_RUN_IFELSE([AC_LANG_PROGRAM([[
-# include <stdio.h>
-# include <stdlib.h>
-]], [if (rename ("conftest.f/", "conftest.d2") == 0) return 1;
- if (rename ("conftest.d1/", "conftest.d2") != 0) return 2;
+ AC_RUN_IFELSE(
+ [AC_LANG_PROGRAM([[
+# include <stdio.h>
+# include <stdlib.h>
+ ]],
+ [[int result = 0;
+ if (rename ("conftest.f1/", "conftest.d3") == 0)
+ result |= 1;
+ if (rename ("conftest.d1/", "conftest.d2") != 0)
+ result |= 2;
#if HAVE_LSTAT
- if (rename ("conftest.lnk/", "conftest.f") == 0) return 3;
+ if (rename ("conftest.lnk/", "conftest.f") == 0)
+ result |= 4;
#endif
- ])],
+ return result;
+ ]])],
[gl_cv_func_rename_slash_src_works=yes],
[gl_cv_func_rename_slash_src_works=no],
dnl When crosscompiling, assume rename is broken.
[gl_cv_func_rename_slash_src_works="guessing no"])
- rm -rf conftest.f conftest.d1 conftest.d2 conftest.lnk
+ rm -rf conftest.f conftest.f1 conftest.d1 conftest.d2 conftest.d3 conftest.lnk
])
if test "x$gl_cv_func_rename_slash_src_works" != xyes; then
- AC_LIBOBJ([rename])
REPLACE_RENAME=1
AC_DEFINE([RENAME_TRAILING_SLASH_SOURCE_BUG], [1],
[Define if rename does not correctly handle slashes on the source
dnl NetBSD 1.6 and cygwin 1.5.x mistakenly reduce hard link count
dnl on rename("h1","h2").
dnl This bug requires stat'ting targets prior to attempting rename.
+ AC_CHECK_FUNCS_ONCE([link])
AC_CACHE_CHECK([whether rename manages hard links correctly],
[gl_cv_func_rename_link_works],
- [rm -rf conftest.f conftest.f1
- if touch conftest.f && ln conftest.f conftest.f1 &&
- set x `ls -i conftest.f conftest.f1` && test "$2" = "$4"; then
- AC_RUN_IFELSE([AC_LANG_PROGRAM([[
-# include <stdio.h>
-# include <stdlib.h>
-# include <unistd.h>
-]], [if (rename ("conftest.f", "conftest.f1")) return 1;
- if (unlink ("conftest.f1")) return 2;
- if (rename ("conftest.f", "conftest.f")) return 3;
- if (rename ("conftest.f1", "conftest.f1") == 0) return 4;])],
- [gl_cv_func_rename_link_works=yes],
- [gl_cv_func_rename_link_works=no],
- dnl When crosscompiling, assume rename is broken.
- [gl_cv_func_rename_link_works="guessing no"])
- else
- gl_cv_func_rename_link_works="guessing no"
- fi
- rm -rf conftest.f conftest.f1
- ])
+ [if test $ac_cv_func_link = yes; then
+ rm -rf conftest.f conftest.f1
+ if touch conftest.f && ln conftest.f conftest.f1 &&
+ set x `ls -i conftest.f conftest.f1` && test "$2" = "$4"; then
+ AC_RUN_IFELSE(
+ [AC_LANG_PROGRAM([[
+# include <stdio.h>
+# include <stdlib.h>
+# include <unistd.h>
+ ]],
+ [[int result = 0;
+ if (rename ("conftest.f", "conftest.f1"))
+ result |= 1;
+ if (unlink ("conftest.f1"))
+ result |= 2;
+ if (rename ("conftest.f", "conftest.f"))
+ result |= 4;
+ if (rename ("conftest.f1", "conftest.f1") == 0)
+ result |= 8;
+ return result;
+ ]])],
+ [gl_cv_func_rename_link_works=yes],
+ [gl_cv_func_rename_link_works=no],
+ dnl When crosscompiling, assume rename is broken.
+ [gl_cv_func_rename_link_works="guessing no"])
+ else
+ gl_cv_func_rename_link_works="guessing no"
+ fi
+ rm -rf conftest.f conftest.f1
+ else
+ gl_cv_func_rename_link_works=yes
+ fi
+ ])
if test "x$gl_cv_func_rename_link_works" != xyes; then
- AC_LIBOBJ([rename])
REPLACE_RENAME=1
AC_DEFINE([RENAME_HARD_LINK_BUG], [1],
[Define if rename fails to leave hard links alone, as on NetBSD 1.6
[rm -rf conftest.f conftest.d1 conftest.d2
touch conftest.f && mkdir conftest.d1 conftest.d2 ||
AC_MSG_ERROR([cannot create temporary files])
- AC_RUN_IFELSE([AC_LANG_PROGRAM([[
-# include <stdio.h>
-# include <stdlib.h>
-]], [if (rename ("conftest.d1", "conftest.d2") != 0) return 1;
- if (rename ("conftest.d2", "conftest.f") == 0) return 2;])],
+ AC_RUN_IFELSE(
+ [AC_LANG_PROGRAM([[
+# include <stdio.h>
+# include <stdlib.h>
+ ]],
+ [[int result = 0;
+ if (rename ("conftest.d1", "conftest.d2") != 0)
+ result |= 1;
+ if (rename ("conftest.d2", "conftest.f") == 0)
+ result |= 2;
+ return result;
+ ]])],
[gl_cv_func_rename_dest_works=yes],
[gl_cv_func_rename_dest_works=no],
dnl When crosscompiling, assume rename is broken.
rm -rf conftest.f conftest.d1 conftest.d2
])
if test "x$gl_cv_func_rename_dest_works" != xyes; then
- AC_LIBOBJ([rename])
REPLACE_RENAME=1
AC_DEFINE([RENAME_DEST_EXISTS_BUG], [1],
[Define if rename does not work when the destination file exists,