config.enable_assertions = @ENABLE_ASSERTIONS@
config.targets_to_build = "@TARGETS_TO_BUILD@"
config.llvm_bindings = "@LLVM_BINDINGS@".split(' ')
+config.host_os = "@HOST_OS@"
config.host_arch = "@HOST_ARCH@"
config.host_cc = "@HOST_CC@"
config.host_cxx = "@HOST_CXX@"