getcwd: on Solaris, work better if ancestors are inaccessible

[gnulib.git] / m4 / pathmax.m4

diff --git a/m4/pathmax.m4 b/m4/pathmax.m4
index 26c1659..6a3f857 100644 (file)
--- a/m4/pathmax.m4
+++ b/m4/pathmax.m4
@@ -1,13 +1,13 @@
-# pathmax.m4 serial 5
-dnl Copyright (C) 2002, 2003, 2005 Free Software Foundation, Inc.
+# pathmax.m4 serial 8
+dnl Copyright (C) 2002-2003, 2005-2006, 2009-2010 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.
 
 AC_DEFUN([gl_PATHMAX],
 [
-  AC_LIBSOURCES([pathmax.h])
-
   dnl Prerequisites of lib/pathmax.h.
-  AC_CHECK_HEADERS_ONCE(sys/param.h)
+  AC_CHECK_FUNCS_ONCE([pathconf])
+  AC_CHECK_HEADERS_ONCE([sys/param.h])
 ])