From: Christian Hesse <list@eworm.de>
To: Jeff King <peff@peff.net>
Cc: git@vger.kernel.org, Christian Hesse <mail@eworm.de>
Subject: Re: [PATCH 1/1] do not add common-main to lib
Date: Mon, 15 Aug 2016 14:21:25 +0200 [thread overview]
Message-ID: <20160815142125.0ca30e0f@leda.localdomain> (raw)
In-Reply-To: <20160815120223.4lr23aiqmqzjprch@sigill.intra.peff.net>
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Jeff King <peff@peff.net> on Mon, 2016/08/15 08:02:
> On Mon, Aug 15, 2016 at 09:52:07AM +0200, Christian Hesse wrote:
>
> > From: Christian Hesse <mail@eworm.de>
> >
> > Commit 08aade70 (mingw: declare main()'s argv as const) changed
> > declaration of main function. This breaks linking external projects
> > (e.g. cgit) to libgit.a with:
> >
> > error: Multiple definition of `main'
>
> I'd expect the culprit is actually 3f2e229 (add an extra level of
> indirection to main(), 2016-07-01).
Ah, probably you are right...
> > So do not add common-main to lib and let projects have their own
> > main function.
>
> That is certainly an option, but I think it means that those projects
> are potentially buggy in the same way that some git commands were prior
> to the common-main series. Namely, the common main() may do some
> run-time setup that parts of libgit.a assume has been done.
Ok, got it.
> I would not be surprised if cgit crashes on Windows, for instance, for
> the reasons detailed in 650c449 (common-main: call
> git_extract_argv0_path(), 2016-07-01). I would also not be surprised if
> nobody actually builds cgit on Windows. :)
I never tried and probably nobody else did. :-p
> The "right" way to do it (according to the way libgit.a views the world)
> is for cgit's main to become cmd_main(), and let libgit.a do its
> run-time startup before getting there.
Looks like that does the job. I will give it some more testing.
Please ignore my patch... ;)
Thanks a lot!
--
main(a){char*c=/* Schoene Gruesse */"B?IJj;MEH"
"CX:;",b;for(a/* Best regards my address: */=0;b=c[a++];)
putchar(b-1/(/* Chris cc -ox -xc - && ./x */b/42*2-3)*42);}
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next prev parent reply other threads:[~2016-08-15 12:31 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-08-15 7:52 [PATCH 1/1] do not add common-main to lib Christian Hesse
2016-08-15 12:02 ` Jeff King
2016-08-15 12:21 ` Christian Hesse [this message]
2016-08-15 12:20 ` Johannes Schindelin
2016-08-15 12:30 ` Christian Hesse
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