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# pathmax.m4 serial 11 |
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dnl Copyright (C) 2002-2003, 2005-2006, 2009-2023 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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#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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