3 # Copyright (C) 2001, 2003, 2005, 2006, 2009 Free Software Foundation, Inc.
4 # This file is free software; the Free Software Foundation
5 # gives unlimited permission to copy and/or distribute it,
6 # with or without modifications, as long as this notice is preserved.
8 dnl From Volker Borchert.
9 dnl Determine whether rename works for source file names with a trailing slash.
10 dnl The rename from SunOS 4.1.1_U1 doesn't.
12 dnl If it doesn't, then define RENAME_TRAILING_SLASH_BUG and arrange
13 dnl to compile the wrapper function.
16 AC_DEFUN([gl_FUNC_RENAME],
18 AC_REQUIRE([AC_CANONICAL_HOST])
19 AC_REQUIRE([gl_STDIO_H_DEFAULTS])
21 dnl SunOS 4.1.1_U1 mistakenly forbids rename("dir/","name").
22 dnl Solaris 9 mistakenly allows rename("file/","name").
23 AC_CACHE_CHECK([whether rename honors trailing slash on source],
24 [gl_cv_func_rename_slash_src_works],
25 [rm -rf conftest.f conftest.d1 conftest.d2
26 touch conftest.f && mkdir conftest.d1 ||
27 AC_MSG_ERROR([cannot create temporary files])
28 AC_RUN_IFELSE([AC_LANG_PROGRAM([[
31 ]], [if (rename ("conftest.f/", "conftest.d2") == 0) return 1;
32 if (rename ("conftest.d1/", "conftest.d2") != 0) return 2;])],
33 [gl_cv_func_rename_slash_src_works=yes],
34 [gl_cv_func_rename_slash_src_works=no],
35 dnl When crosscompiling, assume rename is broken.
36 [gl_cv_func_rename_slash_src_works="guessing no"])
37 rm -rf conftest.f conftest.d1 conftest.d2
39 if test "x$gl_cv_func_rename_slash_src_works" != xyes; then
42 AC_DEFINE([RENAME_TRAILING_SLASH_BUG], [1],
43 [Define if rename does not correctly handle slashes on the source
44 argument, such as on Solaris 9 or cygwin 1.5.])
47 AC_CACHE_CHECK([whether rename is broken when the destination exists],
48 [gl_cv_func_rename_dest_exists_bug],
50 mingw*) gl_cv_func_rename_dest_exists_bug=yes ;;
51 *) gl_cv_func_rename_dest_exists_bug=no ;;
54 if test $gl_cv_func_rename_dest_exists_bug = yes; then
57 AC_DEFINE([RENAME_DEST_EXISTS_BUG], [1],
58 [Define if rename does not work when the destination file exists,