A hydra build failure alerted me to this problem:
http://hydra.nixos.org/build/1113454
>From 579be3f041bab33171d65f61afc126e357dacd50 Mon Sep 17 00:00:00 2001
From: Jim Meyering <[email protected]>
Date: Wed, 8 Jun 2011 22:00:15 +0200
Subject: [PATCH] build: avoid link failure: this time on i686 linux
* deflate.c (good_match): Must not be static, since it may
be used from lib/match.c.
---
deflate.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/deflate.c b/deflate.c
index c4a7648..b1fafde 100644
--- a/deflate.c
+++ b/deflate.c
@@ -209,7 +209,7 @@ local unsigned int max_lazy_match;
local int compr_level;
/* compression level (1..9) */
-static unsigned good_match;
+unsigned good_match;
/* Use a faster search when the previous match is longer than this */
--
1.7.6.rc0.293.g40857