Merging r257791:

[oota-llvm.git] / tools / lto / CMakeLists.txt

diff --git a/tools/lto/CMakeLists.txt b/tools/lto/CMakeLists.txt
index c479fa954cb0d61f7a4760faacb13b0b4ebdd16f..62447eec389bcbc6fe4cc2dcf365c644a49ac5b1 100644 (file)
--- a/tools/lto/CMakeLists.txt
+++ b/tools/lto/CMakeLists.txt
@@ -19,3 +19,13 @@ add_llvm_library(LTO SHARED ${SOURCES})
 
 install(FILES ${LLVM_MAIN_INCLUDE_DIR}/llvm-c/lto.h
   DESTINATION include/llvm-c)
+
+if (APPLE)
+  set(LTO_VERSION ${LLVM_VERSION_MAJOR})
+  if(LLVM_LTO_VERSION_OFFSET)
+    math(EXPR LTO_VERSION "${LLVM_VERSION_MAJOR} + ${LLVM_LTO_VERSION_OFFSET}")
+  endif()
+  set_property(TARGET LTO APPEND_STRING PROPERTY
+              LINK_FLAGS
+              " -compatibility_version 1 -current_version ${LTO_VERSION}.${LLVM_VERSION_MINOR}.${LLVM_VERSION_PATCH}")
+endif()