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

diff --git a/tools/lto2/Makefile b/tools/lto2/Makefile
index 29a5ce3f1044b6f2f0adf29060a0a8d3f0d26b46..ed9c74c5eed4e7c5583c3196f5f5de91182cee18 100644 (file)
--- 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)  \