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 29a5ce3..ed9c74c 100644
--- a/tools/lto2/Makefile
+++ b/tools/lto2/Makefile
@@ -18,6 +18,7 @@
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 @@
# 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) \
