| 1 | #serial 14
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| 2 |
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| 3 | # Use Gnulib's robust chdir function.
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| 4 | # It can handle arbitrarily long directory names, which means
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| 5 | # that when it is given the name of an existing directory, it
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| 6 | # never fails with ENAMETOOLONG.
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| 7 | # Arrange to compile chdir-long.c only on systems that define PATH_MAX.
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| 8 |
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| 9 | dnl Copyright (C) 2004-2007, 2009-2012 Free Software Foundation, Inc.
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| 10 | dnl This file is free software; the Free Software Foundation
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| 11 | dnl gives unlimited permission to copy and/or distribute it,
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| 12 | dnl with or without modifications, as long as this notice is preserved.
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| 13 |
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| 14 | # Written by Jim Meyering.
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| 15 |
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| 16 | AC_DEFUN([gl_FUNC_CHDIR_LONG],
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| 17 | [
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| 18 | AC_REQUIRE([gl_PATHMAX_SNIPPET_PREREQ])
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| 19 | AC_CACHE_CHECK([whether this system has an arbitrary file name length limit],
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| 20 | gl_cv_have_arbitrary_file_name_length_limit,
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| 21 | [AC_EGREP_CPP([have_arbitrary_file_name_length_limit],
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| 22 | gl_PATHMAX_SNIPPET[
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| 23 | #ifdef PATH_MAX
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| 24 | have_arbitrary_file_name_length_limit
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| 25 | #endif],
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| 26 | gl_cv_have_arbitrary_file_name_length_limit=yes,
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| 27 | gl_cv_have_arbitrary_file_name_length_limit=no)])
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| 28 | ])
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| 29 |
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| 30 | AC_DEFUN([gl_PREREQ_CHDIR_LONG],
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| 31 | [
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| 32 | AC_REQUIRE([AC_C_INLINE])
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| 33 | :
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| 34 | ])
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