1#serial 17 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, 2009-2022 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 supports file names of any length], 20 [gl_cv_have_unlimited_file_name_length], 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_unlimited_file_name_length=no], 27 [gl_cv_have_unlimited_file_name_length=yes])]) 28]) 29 30AC_DEFUN([gl_PREREQ_CHDIR_LONG], [:]) 31