# HG changeset patch
# User Jim Meyering <jim@meyering.net>
# Date 973758772 0
# Node ID cfb7d72826f8dc86d7d3780a0299df405774e1a0
# Parent  a90a381a26a8d1310e11c5ba8858678b5339ecc4
(MB_LEN_MAX): Make sure it's at least 6, to avoid buggy C libraries.

diff --git a/lib/unicodeio.c b/lib/unicodeio.c
--- a/lib/unicodeio.c
+++ b/lib/unicodeio.c
@@ -42,8 +42,12 @@
 #if HAVE_LIMITS_H
 # include <limits.h>
 #endif
-#ifndef MB_LEN_MAX
-# define MB_LEN_MAX 1
+
+/* MB_LEN_MAX is incorrectly defined to be 1 in at least one GCC
+   installation; work around this configuration error.  */
+#if MB_LEN_MAX < 6
+# undef MB_LEN_MAX
+# define MB_LEN_MAX 6
 #endif
 
 #if HAVE_ICONV