Re: [icu-support] Problem using ICU Data Build Tool - library size is not reduced

[Richard A. <ric...@go...>]

Thank you all for the replies (I seem to be getting the list emails OK).
I have downloaded the data archive (matching version) and unpacked it
into source/data/ (and choosing to over-write where files are in both
archives).

I was not removing the pre-built .dat file, I will try that now.

On Fri, 20 Sep 2019 at 09:26, Andy Green <an...@he...> wrote:
>
> When I built a custom data file, after unzipping the icu4c-*-data.zip I had to delete the pre-built full data file before building.
>
> Here’s the in-house documentation I wrote for my future self:
>
>
>
> Browse to site.icu-project.org/download
> Determing the latest version of ICU (XX.Y) and download the ICU4C files:
>
> icu4c-XX_Y-src.tgz
> icu4c-XX_Y-data.zip
>
> Unpack the files (e.g. for ICU version 64.2)
>
> wget https://github.com/unicode-org/icu/releases/download/release-64-2/icu4c-64_2-src.tgz
> wget https://github.com/unicode-org/icu/releases/download/release-64-2/icu4c-64_2-data.zip
> tar xfz icu4c-64_2-src.tgz
> cd icu/source
> unzip ../../icu4c-64_2-data.zip
>
> Set environment variable to point to data build filters json
>
> export ICU_DATA_FILTER_FILE=<path>filters.json
>
> Remove the pre-built full data file
>
> rm data/in/icudt64l.dat
>
> Build
>
> export LD_LIBRARY_PATH=/opt/gcc-4.8.3/lib64
> ./runConfigureICU Linux/gcc --enable-static --disable-shared
> make clean
> make
>
>
>
> Hope this helps. No guarantees this is correct, it’s just what worked for me.
>
>
>
> From: Shane Carr via icu-support <icu...@li...>
> Sent: 19 September 2019 18:26
> To: ICU support mailing list <icu...@li...>
> Cc: Shane Carr <sf...@go...>
> Subject: Re: [icu-support] Problem using ICU Data Build Tool - library size is not reduced
>
>
>
> Did you remember to download the data sources and populate the data directory with them? This paragraph on the doc page:
>
>
>
> You must have the data sources in order to use the ICU Data Build Tool. Check for the file icu4c/source/data/locales/root.txt. If that file is missing, you need to download "icu4c-*-data.zip" and replace the contents of icu4c/source/data with the data directory from the zip file.
>
>
>
> If you already did that step, let me know and I'll look closer.
>
>
>
> On Thu, Sep 19, 2019, 8:03 AM Markus Scherer <mar...@gm...> wrote:
>
> Hi Richard,
>
>
>
> On Thu, Sep 19, 2019 at 4:20 AM Richard Ash via icu-support <icu...@li...> wrote:
>
> I use the ICU library to add Regular Expression support to the SQLite
> database in an embedded system. The database strings only contain
> characters from the ASCII charset. As such, we are shipping a lot of
> ICU data which is never used by the code.
>
>
>
> I will ask Shane to look at your config, but if you only need regex with the more common Unicode properties (e.g., not using \N{character name}), the data for those is baked into the "common" library, so you may be able to just use the stubdata library and no .dat file at all.
>
>
>
> Best regards,
>
> markus
>
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