From 4ed55ceeaf075a988bf5642cd33bc88450b5254e Mon Sep 17 00:00:00 2001
From: Nick Kledzik <kledzik@apple.com>
Date: Fri, 29 Feb 2008 02:01:34 +0000
Subject: [PATCH] also pass -compatibility_version when linking shared object
 for Darwin

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47747 91177308-0d34-0410-b5e6-96231b3b80d8
---
 tools/lto2/Makefile | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/tools/lto2/Makefile b/tools/lto2/Makefile
index 29a5ce3f104..ed9c74c5eed 100644
--- a/tools/lto2/Makefile
+++ b/tools/lto2/Makefile
@@ -18,6 +18,7 @@ include $(LEVEL)/Makefile.config
 LINK_LIBS_IN_SHARED = 1
 ifeq ($(OS),Darwin)
   SHARED_LIBRARY = 1
+  BUILD_ARCHIVE = 0
   DONT_BUILD_RELINKED = 1
 else
   BUILD_ARCHIVE = 1
@@ -31,7 +32,8 @@ ifeq ($(OS),Darwin)
     # set dylib internal version number to llvmCore submission number
     ifdef LLVM_SUBMIT_VERSION
         LLVMLibsOptions := $(LLVMLibsOptions) -Wl,-current_version \
-						-Wl,$(LLVM_SUBMIT_VERSION).$(LLVM_SUBMIT_SUBVERSION)
+						-Wl,$(LLVM_SUBMIT_VERSION).$(LLVM_SUBMIT_SUBVERSION) \
+                        -Wl,-compatibility_version -Wl,1
     endif
     # extra options to override libtool defaults 
     LLVMLibsOptions    := $(LLVMLibsOptions)  \
-- 
2.34.1