[llvm-commits] [llvm-gcc-4.2] r53113 - /llvm-gcc-4.2/trunk/gcc/config/darwin.h

[Eric Christopher]

On Jul 7, 2008, at 1:30 PM, Evan Cheng wrote:

>
> On Jul 7, 2008, at 1:12 PM, Chris Lattner wrote:
>
>>
>> On Jul 7, 2008, at 10:48 AM, Eric Christopher wrote:
>>
>>>
>>> On Jul 7, 2008, at 10:19 AM, Evan Cheng wrote:
>>>
>>>> It would be nice if someone with configure foo can help with this.
>>>> Perhaps Eric?
>>>
>>> Sure. There are a few ways you can go about this:
>>
>> What fix is required here?  I don't understand the problem.
>>
>> If a user invokes 'llvm-gcc -mllvm -foo x.o' and the linker doesn't
>> support llvm LTO options, why does it matter if llvm-gcc or ld
>> rejects them?
>
> Users with old linker may expect the -mllvm options are passed to cc1
> only. It could be non-user-friendly if the linker than outputs an
> error message.  Like Eric said, perhaps it's better to make it
> explicit the options are meant for the linker (e.g. -mllvm-lto -foo)?

Yeah, the standard way of doing this via gcc is to do this:

-Wl,-option -Wl,-suboption -Wl,-suboption2

-eric