43 lines
1.1 KiB
Plaintext
43 lines
1.1 KiB
Plaintext
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# pathmax.m4 serial 11
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dnl Copyright (C) 2002-2003, 2005-2006, 2009-2022 Free Software Foundation,
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dnl 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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AC_DEFUN([gl_PATHMAX],
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[
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dnl Prerequisites of lib/pathmax.h.
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AC_CHECK_HEADERS_ONCE([sys/param.h])
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])
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# Expands to a piece of C program that defines PATH_MAX in the same way as
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# "pathmax.h" will do.
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AC_DEFUN([gl_PATHMAX_SNIPPET], [[
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/* Arrange to define PATH_MAX, like "pathmax.h" does. */
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#if HAVE_UNISTD_H
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# include <unistd.h>
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#endif
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#include <limits.h>
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#if defined HAVE_SYS_PARAM_H && !defined PATH_MAX && !defined MAXPATHLEN
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# include <sys/param.h>
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#endif
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#if !defined PATH_MAX && defined MAXPATHLEN
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# define PATH_MAX MAXPATHLEN
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#endif
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#ifdef __hpux
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# undef PATH_MAX
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# define PATH_MAX 1024
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#endif
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#if defined _WIN32 && ! defined __CYGWIN__
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# undef PATH_MAX
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# define PATH_MAX 260
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#endif
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]])
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# Prerequisites of gl_PATHMAX_SNIPPET.
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AC_DEFUN([gl_PATHMAX_SNIPPET_PREREQ],
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[
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AC_CHECK_HEADERS_ONCE([unistd.h sys/param.h])
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])
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