| #serial 17 |
| |
| # Use Gnulib's robust chdir function. |
| # It can handle arbitrarily long directory names, which means |
| # that when it is given the name of an existing directory, it |
| # never fails with ENAMETOOLONG. |
| # Arrange to compile chdir-long.c only on systems that define PATH_MAX. |
| |
| dnl Copyright (C) 2004-2007, 2009-2021 Free Software Foundation, Inc. |
| dnl This file is free software; the Free Software Foundation |
| dnl gives unlimited permission to copy and/or distribute it, |
| dnl with or without modifications, as long as this notice is preserved. |
| |
| # Written by Jim Meyering. |
| |
| AC_DEFUN([gl_FUNC_CHDIR_LONG], |
| [ |
| AC_REQUIRE([gl_PATHMAX_SNIPPET_PREREQ]) |
| AC_CACHE_CHECK([whether this system supports file names of any length], |
| [gl_cv_have_unlimited_file_name_length], |
| [AC_EGREP_CPP([have_arbitrary_file_name_length_limit], |
| gl_PATHMAX_SNIPPET[ |
| #ifdef PATH_MAX |
| have_arbitrary_file_name_length_limit |
| #endif], |
| [gl_cv_have_unlimited_file_name_length=no], |
| [gl_cv_have_unlimited_file_name_length=yes])]) |
| ]) |
| |
| AC_DEFUN([gl_PREREQ_CHDIR_LONG], [:]) |
