llvm dev - Oct 2009 - [LLVMdev] Problem when build llvm-gcc using llvm-gcc4.2-2.5.source.tar.gz

Hi,

The gcc version in my system is 3.4.6
During make display error message and stop

 cc1plus:error: unrecognzied command line option -Wno-variadic-macros

Must i update gcc to version 4.2.0 or above to resolve the problem?

Thanks
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On Oct 20, 2009, at 8:29 PM, Heyu Zhu wrote:
> Hi,
>
> The gcc version in my system is 3.4.6
> During make display error message and stop
>
> cc1plus:error: unrecognzied command line option -Wno-variadic-macros
>
> Must i update gcc to version 4.2.0 or above to resolve the problem?
That is a sign that your native GCC is not new enough, upgrading to  
4.2 or later should resolve the problem, but be aware of known-broken  
versions of GCC:
http://llvm.org/docs/GettingStarted.html#brokengcc

-Chris

Thanks.


After update gcc to 4.2.4. It's OK



2009/10/21, Chris Lattner <clattner at apple.com>:
>
>
> On Oct 20, 2009, at 8:29 PM, Heyu Zhu wrote:
>
> Hi,
>>
>> The gcc version in my system is 3.4.6
>> During make display error message and stop
>>
>> cc1plus:error: unrecognzied command line option -Wno-variadic-macros
>>
>> Must i update gcc to version 4.2.0 or above to resolve the problem?
>>
>
> That is a sign that your native GCC is not new enough, upgrading to 4.2 or
> later should resolve the problem, but be aware of known-broken versions of
> GCC:
> http://llvm.org/docs/GettingStarted.html#brokengcc
>
> -Chris
>
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