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authorLorry Tar Creator <lorry-tar-importer@lorry>2016-01-20 10:55:18 +0000
committerLorry Tar Creator <lorry-tar-importer@lorry>2016-01-20 10:55:18 +0000
commit70e9163c9c18e995515598085cb824e554eb7ae7 (patch)
treea42dc8b2a6c031354bf31472de888bfc8a060132 /m4/pathmax.m4
parentcbf5993c43f49281173f185863577d86bfac6eae (diff)
downloadcoreutils-tarball-master.tar.gz
Diffstat (limited to 'm4/pathmax.m4')
-rw-r--r--m4/pathmax.m437
1 files changed, 34 insertions, 3 deletions
diff --git a/m4/pathmax.m4 b/m4/pathmax.m4
index 64bf26f..6f8e59a 100644
--- a/m4/pathmax.m4
+++ b/m4/pathmax.m4
@@ -1,5 +1,6 @@
-# pathmax.m4 serial 6
-dnl Copyright (C) 2002, 2003, 2005, 2006 Free Software Foundation, Inc.
+# pathmax.m4 serial 10
+dnl Copyright (C) 2002-2003, 2005-2006, 2009-2016 Free Software Foundation,
+dnl Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
@@ -7,5 +8,35 @@ dnl with or without modifications, as long as this notice is preserved.
AC_DEFUN([gl_PATHMAX],
[
dnl Prerequisites of lib/pathmax.h.
- AC_CHECK_HEADERS_ONCE(sys/param.h)
+ AC_CHECK_HEADERS_ONCE([sys/param.h])
+])
+
+# Expands to a piece of C program that defines PATH_MAX in the same way as
+# "pathmax.h" will do.
+AC_DEFUN([gl_PATHMAX_SNIPPET], [[
+/* Arrange to define PATH_MAX, like "pathmax.h" does. */
+#if HAVE_UNISTD_H
+# include <unistd.h>
+#endif
+#include <limits.h>
+#if defined HAVE_SYS_PARAM_H && !defined PATH_MAX && !defined MAXPATHLEN
+# include <sys/param.h>
+#endif
+#if !defined PATH_MAX && defined MAXPATHLEN
+# define PATH_MAX MAXPATHLEN
+#endif
+#ifdef __hpux
+# undef PATH_MAX
+# define PATH_MAX 1024
+#endif
+#if (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__
+# undef PATH_MAX
+# define PATH_MAX 260
+#endif
+]])
+
+# Prerequisites of gl_PATHMAX_SNIPPET.
+AC_DEFUN([gl_PATHMAX_SNIPPET_PREREQ],
+[
+ AC_CHECK_HEADERS_ONCE([unistd.h sys/param.h])
])