1#serial 15
2
3# Use Gnulib's robust chdir function.
4# It can handle arbitrarily long directory names, which means
5# that when it is given the name of an existing directory, it
6# never fails with ENAMETOOLONG.
7# Arrange to compile chdir-long.c only on systems that define PATH_MAX.
8
9dnl Copyright (C) 2004-2007, 2009-2015 Free Software Foundation, Inc.
10dnl This file is free software; the Free Software Foundation
11dnl gives unlimited permission to copy and/or distribute it,
12dnl with or without modifications, as long as this notice is preserved.
13
14# Written by Jim Meyering.
15
16AC_DEFUN([gl_FUNC_CHDIR_LONG],
17[
18  AC_REQUIRE([gl_PATHMAX_SNIPPET_PREREQ])
19  AC_CACHE_CHECK([whether this system has an arbitrary file name length limit],
20    gl_cv_have_arbitrary_file_name_length_limit,
21    [AC_EGREP_CPP([have_arbitrary_file_name_length_limit],
22                  gl_PATHMAX_SNIPPET[
23#ifdef PATH_MAX
24have_arbitrary_file_name_length_limit
25#endif],
26    gl_cv_have_arbitrary_file_name_length_limit=yes,
27    gl_cv_have_arbitrary_file_name_length_limit=no)])
28])
29
30AC_DEFUN([gl_PREREQ_CHDIR_LONG], [:])
31