[LLVMdev] [PATCH]: enable multilib build on x86_64-apple-darwin

[Jack Howarth]

Chris,
    Thanks. I am going to update the fink llvm and llvm-gcc42
packages I maintain to the 2.6 release so this will help. Is
clang updated in unison with llvm/llvm-gcc-4.2 and is there
much new that isn't in Xcode 3.2's clang? I was considering
creating clang packaging for fink as well (if the releases
were coordinated and the c++ support was decent yet).
              Jack

On Thu, Aug 27, 2009 at 05:46:39PM -0700, Chris Lattner wrote:
>
> On Aug 26, 2009, at 2:11 PM, Jack Howarth wrote:
>
>> Any chance that we could get r80071 applied to llvm-gcc-2.4 2.6
>> branch in about a week? As Mike said this change should be
>> very safe.
>
> Yes, I'll ask Tanya to pull it into the release.
>
> -Chris
>
>>             Jack
>>
>> On Wed, Aug 26, 2009 at 12:48:15AM -0700, Eric Christopher wrote:
>>>
>>> On Aug 25, 2009, at 9:57 PM, Chris Lattner wrote:
>>>
>>>>
>>>> On Aug 25, 2009, at 2:33 PM, Mike Stump wrote:
>>>>
>>>>> On Aug 23, 2009, at 11:36 AM, Jack Howarth wrote:
>>>>>> Current llvm-gcc-4.2 for trunk and the 2.6 release
>>>>>> is unable to build the i386 multilib for the
>>>>>> x86_64-apple-darwin target. The attached patch provides
>>>>>> this support. Can we get this into the 2.6 release
>>>>>> and trunk?
>>>>>
>>>>> This is fine.  I don't have a rw llvm-gcc tree, some else want to
>>>>> check it in?  For 2.6, that's be someone else's call, for what it's
>>>>> worth, this should be fairly safe.
>>>>
>>>> I applied this as r80071.  However, I don't understand what this
>>>> does.  I'm able to build a working i386/x86-64 compiler on darwin
>>>> without this, what exactly does this fix?  What exactly is an "i386
>>>> multilib" and why do we care? :)
>>>
>>> If you build a native 64-bit darwin compiler (host/target are x86_64-
>>> darwin) this will give you a -m32 multilib that will enable you to
>>> target i386. Otherwise you have to build a 32-bit compiler that has a
>>> 64-bit multilib.
>>>
>>> -eric
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