From 086c788b3987161c123c0330e39bd591d6460fc9 Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Mon, 9 Mar 2009 04:45:03 +0000
Subject: [PATCH] Fix PR3743 - -mmacosx-version-min inappropriate for Mac OS X
 10.4.11, by stripping off any versions past the "10.4".

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66392 91177308-0d34-0410-b5e6-96231b3b80d8
---
 Makefile.rules | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Makefile.rules b/Makefile.rules
index 9b8a84f304c..bf13b26200c 100644
--- a/Makefile.rules
+++ b/Makefile.rules
@@ -467,6 +467,9 @@ endif
 
 ifeq ($(OS),Darwin)
   DARWIN_VERSION := `sw_vers -productVersion`
+  # Strip a number like 10.4.7 to 10.4
+  DARWIN_VERSION := $(shell echo $(DARWIN_VERSION)| sed -E 's/(10.[0-9]).*/\1/')
+     
   SharedLinkOptions=-Wl,-flat_namespace -Wl,-undefined -Wl,suppress -bundle \
                     -mmacosx-version-min=$(DARWIN_VERSION)
   CompileCommonOpts += -mmacosx-version-min=$(DARWIN_VERSION)