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Date: Sun, 31 Oct 2010 18:58:00 -0000
Message-ID: <AANLkTinR-RO0RpKPsSi9E5uUytGaxH-g1bwjRVLMx_V2@mail.gmail.com>
Subject: Re: RFC: Add zlib source to src CVS resposity
From: "H.J. Lu" <hjl.tools@gmail.com>
To: Ian Lance Taylor <iant@google.com>
Cc: "Frank Ch. Eigler" <fche@redhat.com>, Binutils <binutils@sourceware.org>, 	GCC Development <gcc@gcc.gnu.org>, GDB <gdb@sourceware.org>
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On Sun, Oct 31, 2010 at 11:42 AM, Ian Lance Taylor <iant@google.com> wrote:
> fche@redhat.com (Frank Ch. Eigler) writes:
>
>> "H.J. Lu" <hjl.tools@gmail.com> writes:
>>
>>> [...] =A0By default, the in-tree zlib is used. =A0If you configure
>>> binutis using --with-system-zlib, system zlib will be used. =A0[...]
>>
>> Can you summarize what modern platforms lack a system zlib, and what
>> justifies using the proposed in-tree copy by default?
>
> This is a good point. =A0We need zlib in the gcc repository because we
> build it for the target, but this issue does not arise in the src
> repository. =A0So this becomes a question for the binutils maintainers: do
> the binutils want to be self-contained, or do they want to follow the
> path of gcc and require additional libraries to be installed before a
> build can succeed?

zlib is in similar situation as intl. We include intl in binutils src and
it can be disabled at configure time. For host zlib, should we check if
it is available and fail back to in-tree zlib if there is no suitable host
zlib?


--=20
H.J.