31 lines
1.1 KiB
Text
31 lines
1.1 KiB
Text
# chdir-long.m4
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# serial 17
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dnl Copyright (C) 2004-2007, 2009-2025 Free Software Foundation, Inc.
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dnl This file is free software; the Free Software Foundation
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dnl gives unlimited permission to copy and/or distribute it,
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dnl with or without modifications, as long as this notice is preserved.
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dnl This file is offered as-is, without any warranty.
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# Use Gnulib's robust chdir function.
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# It can handle arbitrarily long directory names, which means
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# that when it is given the name of an existing directory, it
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# never fails with ENAMETOOLONG.
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# Arrange to compile chdir-long.c only on systems that define PATH_MAX.
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# Written by Jim Meyering.
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AC_DEFUN([gl_FUNC_CHDIR_LONG],
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[
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AC_REQUIRE([gl_PATHMAX_SNIPPET_PREREQ])
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AC_CACHE_CHECK([whether this system supports file names of any length],
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[gl_cv_have_unlimited_file_name_length],
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[AC_EGREP_CPP([have_arbitrary_file_name_length_limit],
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gl_PATHMAX_SNIPPET[
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#ifdef PATH_MAX
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have_arbitrary_file_name_length_limit
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#endif],
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[gl_cv_have_unlimited_file_name_length=no],
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[gl_cv_have_unlimited_file_name_length=yes])])
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])
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AC_DEFUN([gl_PREREQ_CHDIR_LONG], [:])
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