X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;ds=inline;f=m4%2Fpathmax.m4;h=011786129e00d348c8774a310481c742ffc29ca2;hb=0109cf664612c71e689953161d13755807169329;hp=4651801615f243d51d0b546d223dfd2598e72aac;hpb=7f4b1f45ce477f8374d382bd75f5f0a7e865e2c6;p=gnulib.git

diff --git a/m4/pathmax.m4 b/m4/pathmax.m4
index 465180161..011786129 100644
--- a/m4/pathmax.m4
+++ b/m4/pathmax.m4
@@ -1,5 +1,6 @@
-# pathmax.m4 serial 8
-dnl Copyright (C) 2002, 2003, 2005, 2006, 2009 Free Software Foundation, Inc.
+# pathmax.m4 serial 10
+dnl Copyright (C) 2002-2003, 2005-2006, 2009-2012 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.
@@ -7,6 +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_FUNCS_ONCE([pathconf])
   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])
+])