2 dnl Copyright (C) 2009, 2010 Free Software Foundation, Inc.
3 dnl This file is free software; the Free Software Foundation
4 dnl gives unlimited permission to copy and/or distribute it,
5 dnl with or without modifications, as long as this notice is preserved.
7 AC_DEFUN([gl_FUNC_UNLINK],
9 AC_REQUIRE([gl_AC_DOS])
10 AC_REQUIRE([gl_UNISTD_H_DEFAULTS])
11 dnl Detect Solaris 9 and FreeBSD 7.2 bug.
12 AC_CACHE_CHECK([whether unlink honors trailing slashes],
13 [gl_cv_func_unlink_works],
15 # Assume that if we have lstat, we can also check symlinks.
16 if test $ac_cv_func_lstat = yes; then
17 ln -s conftest.file conftest.lnk
23 ]], [[if (!unlink ("conftest.file/") || errno != ENOTDIR) return 1;
25 if (!unlink ("conftest.lnk/") || errno != ENOTDIR) return 2;
28 [gl_cv_func_unlink_works=yes], [gl_cv_func_unlink_works=no],
29 [gl_cv_func_unlink_works="guessing no"])
30 rm -f conftest.file conftest.lnk])
31 if test x"$gl_cv_func_unlink_works" != xyes; then