From a2a0a71e2be9350f28acae469b30f0ce04a4dc36 Mon Sep 17 00:00:00 2001
From: Joey Hess <joey@kitenet.net>
Date: Sun, 9 Dec 2012 13:38:08 -0400
Subject: [PATCH] install_name_tool fix

---
 Build/OSXMkLibs.hs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Build/OSXMkLibs.hs b/Build/OSXMkLibs.hs
index 18c0e7c8dc..b6e679d730 100644
--- a/Build/OSXMkLibs.hs
+++ b/Build/OSXMkLibs.hs
@@ -82,12 +82,13 @@ parseOtool = catMaybes . map parse . lines
 {- Adjusts binaries to use libraries bundled with it, rather than the
  - system libraries. -}
 install_name_tool :: FilePath -> [FilePath] -> LibMap -> IO LibMap
+install_name_tool _ [] libmap = return libmap
 install_name_tool binary libs libmap = do
 	let (libnames, libmap') = getLibNames libs libmap
 	let params = concatMap change $ zip libs libnames
 	ok <- boolSystem "install_name_tool" $ params ++ [File binary]
 	unless ok $
-		hPutStrLn stderr $ "install_name_tool failed for " ++ binary
+		error $ "install_name_tool failed for " ++ binary
 	return libmap'
   where
 	change (lib, libname) =