| @@ -446,7 +446,7 @@ toolchain dds::parse_toolchain_json_data(const json5::data& dat, std::string_vie | |||
| extend(ret, {"-static-libgcc", "-static-libstdc++"}); | |||
| } | |||
| if (runtime_debug.value_or(false)) { | |||
| extend(ret, {"-D_GLIBCXX_DEBUG"}); | |||
| extend(ret, {"-D_GLIBCXX_DEBUG", "-D_LIBCPP_DEBUG=1"}); | |||
| } | |||
| } else { | |||
| // No flags if we don't know the compiler | |||