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Message-ID: <20150416173345.GV6817@brightrain.aerifal.cx>
Date: Thu, 16 Apr 2015 13:33:45 -0400
From: Rich Felker <dalias@...c.org>
To: musl@...ts.openwall.com
Subject: Re: Re: libintl: stubs or working functions
On Thu, Apr 16, 2015 at 07:15:51PM +0200, Felix Janda wrote:
> As I understand applications need to pass 'need-formatstring-macros' to
> the AM_GNU_GETTEXT macro to request this functionality. But with debian
> code search I couldn't find any program doing that...
OK. AFAIK it's only GNU software like coreutils using this
functionality.
> The macro distinguishes three gettext apis. gt_api_version is 1 for the
> basic version. For the ngettext functions gt_api_version>=2 is necessary
> and for these "SYSDEP strings" gt_api_version>=3 is necessary.
>
> As I understand musl has gt_api_version=2. Is that right?
Based on your understanding of the versions, yes, that sounds right.
> To test for the api version AM_GNU_GETTEXT checks in all cases for
> bindtextdomain, gettext, _nl_msg_cat_cntr and _nl_domain_bindings. For
> gt_api_version>=2 it checks for ngettext and for gt_api_version>=3 it
> does something with __GNU_GETTEXT_SUPPORTED_REVISION we won't need to
> care about.
>
> So for musl the test gives obviously the wrong result.
>
> I guess that we don't want to export symbols _nl_*.
>
> What I would now like to ask upstream is to put the _nl_* stuff behind
> an #ifdef __GLIBC__ ...
I think we should ask why they're doing it. It sounds to me like they
should just be checking for the APIs they want to use.
Rich
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