Merge pull request #2058 from apple/lldb-Enable-cmake-policy-CMP0077-for-option

[lldb] Enable cmake policy CMP0077 for option()

Author: kastiglione

lldb/CMakeLists.txt

@@ -7,6 +7,10 @@ if(POLICY CMP0075)
   cmake_policy(SET CMP0075 NEW)
 endif()
 
+if(POLICY CMP0077)
+  cmake_policy(SET CMP0077 NEW)
+endif()
+
 # Add path for custom modules.
 set(CMAKE_MODULE_PATH
   ${CMAKE_MODULE_PATH}