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Message-ID: <CAK4o1WxaV22eLxxnRSeL2P-u+=ingNeEsYUEZj-VntP-0CB=rQ@mail.gmail.com>
Date: Mon, 16 Sep 2013 14:47:09 +0100
From: Justin Cormack <justin@...cialbusservice.com>
To: musl@...ts.openwall.com
Subject: Re: GLOB_BRACE
On 16 Sep 2013 14:41, "Paul Schutte" <sjpschutte@...il.com> wrote:
>
> Hi Rich,
>
> Thanks. Just wanted to get confirmation in case I missed something.
>
> I guess systemd was written with only linux in mind and therefore used a
lot of glibc specific stuff.
>
> I found a lot of other portability problems since sending this message.
>
> It won't be easy to make systemd work (To me in any case).
Given that portability is a stated non goal getting anything upstream may
be difficult for this project...
> Regards
> Paul
>
>
>
> On Mon, Sep 16, 2013 at 2:50 PM, Rich Felker <dalias@...ifal.cx> wrote:
>>
>> On Sun, Sep 15, 2013 at 10:57:20PM +0200, Paul Schutte wrote:
>> > Hi,
>> >
>> > I have hit the next stumbling block (show stopper):
>> >
>> > src/shared/util.c: In function 'glob_exists':
>> > src/shared/util.c:4376:36: error: 'GLOB_BRACE' undeclared (first use in
>> > this function)
>> > src/shared/util.c:4376:36: note: each undeclared identifier is reported
>> > only once for each function it appears in
>> >
>> >
>> > I see this is and non-standard posix extension. I guess that is it for
>> > systemd for now then.
>>
>> The correct action for programs that need GNU functionality like this
>> is to include their own copy of the GNU function (usually as part of
>> gnulib) and use it if the system does not have it.
>>
>> In the case of GLOB_BRACE and the other GNU extensions to
>> glob/fnmatch, it's not clear to me that they admit an efficient
>> in-place implementation, and I doubt they do. That's why musl does not
>> support them.
>>
>> Rich
>
>
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