Actually undefine ARG_MAX from <linux/limits.h>

git-mirror · May 7, 2011 · 9572119 · 9572119
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diff --git a/ChangeLog b/ChangeLog
@@ -1,3 +1,9 @@
+2011-03-05  Jonathan Nieder  <jrnieder@gmail.com>
+
+	* sysdeps/unix/sysv/linux/sys/param.h: Fix an #ifndef __undef_ARG_MAX
+	where #ifdef was intended.  The intent is to prevent ARG_MAX from
+	being defined by the kernel headers.
+
 2011-05-07  Ulrich Drepper  <drepper@gmail.com>
 
 	[BZ #12734]

diff --git a/sysdeps/unix/sysv/linux/sys/param.h b/sysdeps/unix/sysv/linux/sys/param.h
@@ -1,4 +1,5 @@
-/* Copyright (C) 1995-1997,2000,2001,2003,2008 Free Software Foundation, Inc.
+/* Copyright (C) 1995-1997,2000,2001,2003,2008,2011
+   Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -28,7 +29,7 @@
 #include <linux/param.h>
 
 /* The kernel headers defines ARG_MAX.  The value is wrong, though.  */
-#ifndef __undef_ARG_MAX
+#ifdef __undef_ARG_MAX
 # undef ARG_MAX
 # undef __undef_ARG_MAX
 #endif