Date: Thu, 14 Jun 2012 22:00:18 -0400
From: Richard Yao <ryao@gentoo.org>
To: Alexander Kabaev <kabaev@gmail.com>
Cc: "gentoo-bsd@lists.gentoo.org" <gentoo-bsd@lists.gentoo.org>, Richard Yao <ryao@gentoo.org>, "hackers@FreeBSD.org" <hackers@FreeBSD.org>
Subject: Re: Import crt{begin,end}.S from NetBSD
Message-ID: <4FDA9732.9020804@gentoo.org>
In-Reply-To: <2073f978e4954a989754752f4da71f9a@HUBCAS2.cs.stonybrook.edu>
References: <4FDA3364.2020102@gentoo.org> <2073f978e4954a989754752f4da71f9a@HUBCAS2.cs.stonybrook.edu>
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On 06/14/12 20:51, Alexander Kabaev wrote:
> On Thu, 14 Jun 2012 14:54:28 -0400
> Richard Yao <ryao@gentoo.org> wrote:
>
>> NetBSD has replacements for GCC's crt{begin,end}.S:
>>
>> http://cvsweb.netbsd.org/bsdweb.cgi/src/lib/csu/arch/?only_with_tag=MAIN
>>
>> This would complement compiler-rt and libstdc++. We intend to import
>> it in downstream Gentoo FreeBSD.
>>
>> Could this be imported into FreeBSD-CURRENT?
>
> Apart from licensing, what others reasons are there to do that?
>
These components should not be tied to a specific compiler. If GCC is
going to be deprecated, then they should be replaced.
Anyway, having this tied to GCC has caused headaches for Clang
integration in Gentoo. In particular, we let the user pick the toolchain
that he uses, so we cannot place GCC's crt{begin,end}.o in the same
location that FreeBSD uses. This makes it difficult for Clang to find
the correct crt{begin,end}.o. We will likely import the NetBSD
crt{begin,end}.S code to rectify this, but it would be preferable to do
this in upstreamFreeBSD.
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