Warn when locale is bogus

[Philip Taylor]

What currently happens:

$ LANG=bogus ./pyrogenesis_dbg
terminate called after throwing an instance of 'std::runtime_error'
  what():  locale::facet::_S_create_c_locale name not valid
Aborted

This can happen on misconfigured systems where the locales aren't set up correctly. It would be better to give a much more informative warning and fall back to a default - e.g. perl says:

$ LANG=bogus perl
perl: warning: Setting locale failed.
perl: warning: Please check that your locale settings:
        LANGUAGE = "",
        LC_ALL = (unset),
        LANG = "bogus"
    are supported and installed on your system.
perl: warning: Falling back to the standard locale ("C").

which is more helpful.

We need to do this fairly early (before any attempts to access the filesystem), so maybe in EarlyInit in GameSetup.cpp.

[(none)]

Milestone Unclassified deleted

[Sergio Fabian Vier]

Based on commnets on the code in http://www.wildfiregames.com/forum/index.php?showtopic=13145&hl= i've created this patch.

[Philip Taylor]

Thanks! Changed it to only apply to OS_UNIX (I assume it wouldn't work on Windows and shouldn't be necessary there anyway), and to use debug_warn for serious warnings (so users can't miss them), and cleaned up the formatting a bit.

[philip]

(In [8913]) Fix #495 (warn when locale is bogus), based on patch from darrenhoffman and sergiovier