-#serial 1
+# serial 16
+
+# Copyright (C) 2001, 2003, 2005, 2006, 2009 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.
dnl From Volker Borchert.
-dnl Determine whether rename works for source paths with a trailing slash.
+dnl Determine whether rename works for source file names with a trailing slash.
dnl The rename from SunOS 4.1.1_U1 doesn't.
dnl
dnl If it doesn't, then define RENAME_TRAILING_SLASH_BUG and arrange
dnl to compile the wrapper function.
dnl
-AC_DEFUN(vb_FUNC_RENAME,
+AC_DEFUN([gl_FUNC_RENAME],
[
- AC_CACHE_CHECK([whether rename is broken],
- vb_cv_func_rename_trailing_slash_bug,
- [
- if mkdir conftestdir; then
- vb_cv_func_rename_trailing_slash_bug=no
- else
- AC_TRY_RUN([
-# include <stdio.h>
- int
- main ()
- {
- exit (rename ("conftestdir/", "conftestdir2") ? 1 : 0);
- }
- ],
- vb_cv_func_rename_trailing_slash_bug=no,
- vb_cv_func_rename_trailing_slash_bug=yes,
- dnl When crosscompiling, assume rename is broken.
- vb_cv_func_rename_trailing_slash_bug=yes)
- rm -rf conftestdir conftestdir2
- fi
+ AC_REQUIRE([AC_CANONICAL_HOST])
+ AC_REQUIRE([gl_STDIO_H_DEFAULTS])
+
+ dnl SunOS 4.1.1_U1 mistakenly forbids rename("dir/","name").
+ dnl Solaris 9 mistakenly allows rename("file/","name").
+ 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
+ touch conftest.f && mkdir conftest.d1 ||
+ AC_MSG_ERROR([cannot create temporary files])
+ 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;])],
+ [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
+ ])
+ if test "x$gl_cv_func_rename_slash_src_works" != xyes; then
+ AC_LIBOBJ([rename])
+ REPLACE_RENAME=1
+ AC_DEFINE([RENAME_TRAILING_SLASH_BUG], [1],
+ [Define if rename does not correctly handle slashes on the source
+ argument, such as on Solaris 9 or cygwin 1.5.])
+ fi
+
+ AC_CACHE_CHECK([whether rename is broken when the destination exists],
+ [gl_cv_func_rename_dest_exists_bug],
+ [case "$host_os" in
+ mingw*) gl_cv_func_rename_dest_exists_bug=yes ;;
+ *) gl_cv_func_rename_dest_exists_bug=no ;;
+ esac
])
- if test $vb_cv_func_rename_trailing_slash_bug = yes; then
- AC_LIBOBJ(rename)
- AC_DEFINE_UNQUOTED(RENAME_TRAILING_SLASH_BUG, 1,
-[Define if rename does not work for source paths with a trailing slash,
- like the one from SunOS 4.1.1_U1.])
+ if test $gl_cv_func_rename_dest_exists_bug = yes; 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,
+ as on Windows.])
fi
])