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Re: Building gcc with gnu binutils automatically
On Mon, Jun 11, 2012 at 7:47 PM, Ian Lance Taylor <iant@google.com> wrote:
> NightStrike <nightstrike@gmail.com> writes:
>
>> If you use gnu ld or as to build GCC, you get extra features in gcc
>> itself. ?There's a few bugzilla PRs on this, and a lot of emails on
>> the mailing list. ?What I don't see, however, is how I can have
>> configure detect the usage of GNU binutils automatically. ?In other
>> words, without explicitly passing in --with-gnu-ld/as, I don't get the
>> features in question.
>>
>> Is there a way to do this? ?Or, is there a way to fix configure so
>> that it does some test without requiring the option? ?Also, is there a
>> way to do this for a cross compiler?
>
> Historically, the concern was that if person A builds the compiler and
> hands it to person B, person B may have a different assembler or linker
> than person A. ?So we force person A to explicitly indicate whether they
> are using the GNU assembler.
>
> However, this general rule is not followed very much. ?E.g., when using
> the GNU tools, the configure scripts check for various features of them,
> which could fail if person B has a different version of the GNU tools
> installed.
>
> So I think it would be reasonable to have the configure script set the
> defualt for -with-gnu-ld/as based on the tools found at configure time.
Is this something you would be willing to do?