[Buildroot] [PATCH v2 2/2] libglib2: the system PCRE needs to have UTF and UCP enabled

[Sven Neumann]

Hi Peter,

On Mo, 2013-11-25 at 10:17 +0100, Peter Korsgaard wrote:
> >>>>> "Sven" == Sven Neumann <neumann at teufel.de> writes:
> 
>  > Hello,
>  > On Fr, 2013-11-22 at 23:33 +0100, Peter Korsgaard wrote:
>  >> >>>>> "Sven" == Sven Neumann <neumann at teufel.de> writes:
>  >> 
>  >> > If glib2 is compiled with the system PCRE instead of the included
>  >> > copy, then that system PCRE needs to have support for UTF-8 and
>  >> > Unicode properties enabled. Otherwise you will get such warnings
>  >> > at run-time:
>  >> 
>  >> > GLib-CRITICAL **: PCRE library is compiled without UTF8 support
>  >> > GLib-CRITICAL **: PCRE library is compiled without UTF8 properties support
>  >> 
>  >> > Signed-off-by: Sven Neumann <neumann at teufel.de>
>  >> 
>  >> Committed to next, thanks.
> 
>  > May I suggest that you also merge this to the stable tree. Otherwise
>  > glib2 will be unusable on any system that also has pcre selected (which
>  > is for example pulled in by gnutls).
> 
> Hmm, ok - That wasn't completely clear to me. So even though it's just a
> warning, this is something critical?

Any functionality that use GRegex won't work if the system PCRE is not
compiled with UTF-8 and UCP support. There might be glib-based
applications that won't be affected by this, but there is a good chance
that people will run into unexpected problems because of this.

> When was this introduced? By the 2.36.1 -> 2.36.3 bump or is 2013.08
> also affected?

As far as I can see this was introduced with commit fe192908a4e:

 commit fe192908a4e3195b6f724310fe83fadaf18b66e7
 Author: Thomas Petazzoni <thomas.petazzoni at free-electrons.com>
 Date:   Sat Mar 9 08:21:30 2013 +0000

    libglib2: use system pcre when available


Regards,
Sven

-- 
Sven Neumann
Senior System Architect

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