2024-05-11 20:16:48 +00:00
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# pathmax.m4
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# serial 11
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2024-01-20 19:45:04 +00:00
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dnl Copyright (C) 2002-2003, 2005-2006, 2009-2024 Free Software Foundation,
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dnl Inc.
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Fix locating pdump by symlink
* admin/merge-gnulib (GNULIB_MODULES): Add canonicalize-lgpl module
* build-aux/config.guess, build-aux/gitlog-to-changelog,
build-aux/update-copyright, lib/canonicalize-lgpl.c,
lib/gnulib.mk.in, lib/malloca.c, lib/malloca.h, lib/pathmax.h,
m4/canonicalize.m4, m4/double-slash-root.m4, m4/gnulib-comp.m4,
m4/malloca.m4, my/pathmax.4: copy from GNUlib or regenerate from
update
* src/emacs.c: find dump by canonical path
2019-06-24 01:19:08 +00:00
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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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