option(LLVM_ENABLE_WARNINGS "Enable compiler warnings." ON)
endif()
+option(LLVM_ENABLE_MODULES "Compile with C++ modules enabled." OFF)
option(LLVM_ENABLE_CXX1Y "Compile with C++1y enabled." OFF)
option(LLVM_ENABLE_LIBCXX "Use libc++ if available." OFF)
option(LLVM_ENABLE_PEDANTIC "Compile with pedantic enabled." ON)