Apple's greendragon bot uses a standalone build of lldb which would
fail to build after a recent change to LLVM as it relied on LLVM setting
global flags for its build. Attempt to repair the standalone build for
greendragon bot.
if (CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR)
project(lldb)
include(LLDBStandalone)
+
+ set(CMAKE_CXX_STANDARD 14 CACHE STRING "C++ standard to conform to")
+ set(CMAKE_CXX_STANDARD_REQUIRED YES)
+ set(CMAKE_CXX_EXTENSIONS NO)
endif()
include(LLDBConfig)