[PATCH] libstdc++: Test for tzdata.zi before fallback version files.

[Andreas Schwab]

On Dez 24 2022, Iain Sandoe via Gcc-patches wrote:

> @@ -1083,6 +1078,14 @@ namespace std::chrono
>        if (*zif >> hash >> label >> version)
>  	if (hash == '#' && label == "version")
>  	  return version;
> +#if defined __NetBSD__
> +    if (string ver; ifstream(zoneinfo_dir() + "/TZDATA_VERSION") >> ver)
> +      return ver;
> +#elif defined __APPLE__
> +    // The standard install on macOS has no tzdata.zi, but we can find the
> +    // version from +VERSION.
> +    if (string ver; ifstream(zoneinfo_dir() + "/+VERSION") >> ver)
> +      return ver;
>  #endif
>        __throw_runtime_error("tzdb: no version found in tzdata.zi");
>      }

Looks like indentation is off here.

-- 
Andreas Schwab, schwab@linux-m68k.org
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