[PATCH] Make the driver accept all four variants of the target option

[Richard Smith]

On Fri, Feb 20, 2015 at 12:37 AM, James Molloy <james at jamesmolloy.co.uk>
wrote:

> Hi Richard,
>
> My belief, from having looked at this code quite some time ago, is that we
> deliberately have mechanisms for handling --option=foo and --option foo
> differently, as in some circumstances GCC has different semantics for each.
> It just seemed to me that about a million aliases were missing for the
> cases where semantics didn't differ.
>

*sigh* Why am I not surprised... =)

Nonetheless, I think those cases should be the unfortunate exception rather
than the rule.


> Cheers,
>
> James
>
> On Fri Feb 20 2015 at 1:41:04 AM Richard Smith <richard at metafoo.co.uk>
> wrote:
>
>> By coincidence, I happened to run into the fact that we don't support
>> --target earlier today. We have a lot of truly weird baggage in our
>> command-line syntax, but I think we should be striving to minimize it. Is
>> there a justification for supporting one of "--foo bar" and "--foo=bar" but
>> not the other, for *any* of our options with arguments?
>>
>> (I find it especially weird that our TableGen option mechanism has native
>> support for handling "-Ifoo" and "-I foo" as the same option, but not for
>> the more common case of "--blah foo" and "--blah=foo".)
>>
>>
>> On Thu, Feb 19, 2015 at 9:34 AM, Eric Christopher <echristo at gmail.com>
>> wrote:
>>
>>> Let's go with it. I don't see a reason not to. The only (somewhat silly)
>>> objection I was thinking was that --target <triple> feels like the
>>> configure option. But that's not necessarily a bad thing and I like it more
>>> than --target= anyhow :)
>>>
>>> -eric
>>>
>>>
>>> REPOSITORY
>>>   rL LLVM
>>>
>>> http://reviews.llvm.org/D7730
>>>
>>> EMAIL PREFERENCES
>>>   http://reviews.llvm.org/settings/panel/emailpreferences/
>>>
>>>
>>>
>>> _______________________________________________
>>> cfe-commits mailing list
>>> cfe-commits at cs.uiuc.edu
>>> http://lists.cs.uiuc.edu/mailman/listinfo/cfe-commits
>>>
>>
>> _______________________________________________
>> cfe-commits mailing list
>> cfe-commits at cs.uiuc.edu
>> http://lists.cs.uiuc.edu/mailman/listinfo/cfe-commits
>>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.llvm.org/pipermail/cfe-commits/attachments/20150220/f03acc4f/attachment.html>