Re: [PATCH] build: get rid of the notion of a git library

[Felipe Contreras <felipe.contreras@gmail.com>]

On Sun, Jun 9, 2013 at 12:30 PM, Vincent van Ravesteijn <vfr@lyx.org> wrote:
> Op 9-6-2013 17:40, Felipe Contreras schreef:
>
>> On Sun, Jun 9, 2013 at 10:12 AM, John Keeping <john@keeping.me.uk> wrote:
>>>
>>> On Sun, Jun 09, 2013 at 08:26:32PM +0530, Ramkumar Ramachandra wrote:
>>>>
>>>> Felipe Contreras wrote:
>>>>>
>>>>> The plan is simple; make libgit.a a proper library, starting by
>>>>> clarifying what goes into libgit.a, and what doesn't. If there's any
>>>>> hopes of ever having a public library, it's clear what code doesn't
>>>>> belong in libgit.a; code that is meant for builtins, that code belongs
>>>>> in builtins/lib.a, or similar.
>>>>>
>>>>> Give this a try:
>>>>>
>>>>> --- a/sequencer.c
>>>>> +++ b/sequencer.c
>>>>>
>>>>> libgit.a(sequencer.o): In function `copy_notes':
>>>>> /home/felipec/dev/git/sequencer.c:110: undefined reference to
>>>>> `init_copy_notes_for_rewrite'
>>>>> /home/felipec/dev/git/sequencer.c:114: undefined reference to
>>>>> `finish_copy_notes_for_rewrite'
>>>>
>>>> This is a good example: yes, I'm convinced that the code does need to
>>>> be reorganized.  Please resend your {sequencer.c ->
>>>> builtin/sequencer.c} patch with this example as the rationale, and
>>>> let's work towards improving libgit.a.
>>>
>>> Why should sequencer.c move into builtin/ to solve this?  Why not pull
>>> init_copy_notes_for_rewrite and finish_copy_notes_for_rewrite up into
>>> notes.c?
>>
>> Because finish_copy_notes_for_rewrite is only useful for builtin
>> commands, so it belongs in builtin/. If there's any meaning to the
>> ./*.o vs. builtin/*.o divide, it's for that. Otherwise we should just
>> squash all objects into libgit.a and be done with it.
>>
> I think that libgit.a should contain all code to be able to carry out all
> functions of git. The stuff in builtin/ is just a command-line user
> interface. Whether or not sequencer should be in builtin depends on whether
> the sequencer is only part of this command-line user interface.

The sequencer is only part of the command-line user interface.

> I think that the sequencer code is at the moment unusable if you do not use
> the code in builtin/ so that would advocate to move it into builtin/. If
> sequencer is in libgit, and I write my own (graphical) user interface, I
> expect to be able to use it.

As do I, but it appears all other Git developers disagree; libgit.a is
not really a library, and will never be used by anything other than
Git's core.

Hence this patch.

-- 
Felipe Contreras