[Nix-dev] Proposed feature for make-wrapper.sh

[Wout Mertens]

--suffix-flags sounds ok, but perhaps a custom wrapper is better.

On Sun, May 8, 2016, 11:02 AM Philip Carlsen <plcplc at gmail.com> wrote:

> That's great to hear - Indeed you're not the only one having trouble with
> akonadi. I just gave up before I could make anything useful of it.
> Den 8. maj 2016 01.24 skrev "Phil Wetzel" <phil at audido.com>:
>
>> Greetings,
>>
>> I've just installed NixOS on my desktop with KDE. I had trouble getting
>> akonadi working (the data backend for kdepim). I found one other person
>> with
>> the same problem [1], though it is hard for me to believe I am the only
>> person
>> trying to run KMail on NixOS.
>>
>> The problem turned out to be akonadi starting an instance of mysqld
>> (mariadb)
>> that failed to find an error messages file because it didn't know where
>> it was.
>> Setting the --basedir prevents this problem from occurring, and that is
>> what
>> is done in the service module definition. kdepim users can solve the
>> problem
>> locally by setting basedir in their akonadi/mysql.cf config, but if we
>> would
>> like it to work out of the box it seemed to me that the way forward was
>> to use
>> wrapProgram on mysqld. You can't actually run mysqld from the commandline
>> without without the --basedir argument with it packaged the way it is now
>> anyway.
>>
>> This turned out to not work either because:
>>
>>  - wrapProgram --add-flags *prepends* all the wrapped flags to the
>> argument list
>>  - akonadi uses the --defaults-file argument
>>  - mysqld requires --defaults-file to be the first argument if it is used
>>
>> This can certainly be solved with some hackery after the wrapProgram in
>> postInstall, but perhaps it would be better to include a --suffix-flags
>> feature
>> to make-wrapper.sh.
>>
>> What would you suggest as the better choice? I didn't want to submit a PR
>> with
>> a hack if that wasn't the way forward, and I definitely didn't want to
>> submit a
>> PR touching the build tools and documentation without at least saying
>> hello
>> first.
>>
>> Thank you,
>> Phil Wetzel
>>
>> [1] -
>> http://lists.science.uu.nl/pipermail/nix-dev/2015-January/015575.html
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-- 

Wout.
(typed on mobile, excuse terseness)
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