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Re: Unicode support in poke
From: |
Tim Rühsen |
Subject: |
Re: Unicode support in poke |
Date: |
Mon, 13 Jan 2020 12:08:02 +0100 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.3.1 |
Hi Bruno,
On 1/13/20 12:01 PM, Bruno Haible wrote:
> Hi Tim,
>
>> you could look at libidn2 as an example how to use system libunistring
>> if there (or if new enough) and fallback to gnulib unistring.
>> (BTW, libunistring is made of the gnulib unistring modules)
>>
>> It creates a separate dir / library for gnulib unistring functions,
>> *BUT* only uses it when a system libunistring can't be found.
>>
>> bootstrap.conf: Call gnulib-tool in bootstrap_post_import_hook() only
>> for the needed unistring modules.
>>
>> configure.ac: Check for system libunistring (set a conditional
>> HAVE_LIBUNISTRING
>>
>> Makefile.am: if !HAVE_LIBUNISTRING -> add unistring/ to SUBDIR
>>
>> */Makefile.am: if !HAVE_LIBUNISTRING -> add unistring/ to includes in
>> AM_CPPFLAGS
>
> A simpler way to achieve the same thing is to include the gnulib module
> 'libunistring-optional'. It will use the system libunistring if it
> exists and is new enough, and otherwise compile the respective modules
> from source.
Ah, I didn't know that, thanks.
Don't that pull in all the unistring modules (and code) ? At least for
building the project.
In libidn2 we just use a small subset of the vast functionality of
gnulib unistring. In order to keep build overhead small, isn't that the
way to go ? I only know that building libunistring takes a while...
Regards, Tim
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