[llvm-commits] [lld] r152269 - in /lld/trunk: ./ include/lld/Core/ include/lld/Platform/ lib/ lib/Core/ lib/Passes/ test/ tools/lld-core/

[Evandro Menezes]

Nick,

I was using the environment variable CXX, but it seems that by using the 
CMAKE variable CMAKE_CXX_COMPILER instead results in a successful run of 
cmake.

Thanks,

-- 
Evandro Menezes          Austin, TX          emenezes at codeaurora.org
Qualcomm Innovation Center, Inc is a member of the Code Aurora Forum


On 03/09/12 11:33, Nick Kledzik wrote:
> I ran into this when first adding -std=c++11.  The cmake tool likes to run /usr/bin/c++ to test if options are supported.  If your /usr/bin/c++ is not clang, then it thinks you cannot use the option.
>
> Hopefully, there is some way to point cmake to which compiler to use.
>
> -Nick
>
> On Mar 9, 2012, at 9:09 AM, Evandro Menezes wrote:
>> Ben,
>>
>> cmake 2.8 doesn't seem to have liked it:
>>
>> CMake Warning at tools/lld/CMakeLists.txt:74 (message):
>>   -std=c++0x not supported.
>>
>> I'll keep on investigating things on my side.
>>
>> Thanks,
>>
>> --
>> Evandro Menezes          Austin, TX          emenezes at codeaurora.org
>> Qualcomm Innovation Center, Inc is a member of the Code Aurora Forum
>>
>>
>> On 03/08/12 18:31, Benjamin Kramer wrote:
>>>
>>> On 09.03.2012, at 01:11, Chris Lattner wrote:
>>>
>>>>
>>>> On Mar 8, 2012, at 3:02 PM, Evandro Menezes wrote:
>>>>
>>>>> GCC 4.4.5 with "-std=c++0x", since its default is "-std=c++98":
>>>>>
>>>>> tools/lld/lib/Core/Resolver.cpp:264: warning: 'auto' will change meaning
>>>>> in C++0x; please remove it
>>>>>
>>>>> I'm not always at liberty to use whichever compiler I want, but what IT
>>>>> lets me.
>>>>
>>>> Ok, build clang first, then use it to build lld.
>>>
>>> GCC 4.4's c++11 support isn't great, but it supports auto and a few other things with -std=c++0x.
>>>
>>> I changed the build system to use -std=c++0x instead of -std=c++11 in r152355, for compatibility with gcc<   4.7.
>>>
>>> - Ben
>>>
>>>>
>>>> -Chris
>>>> _______________________________________________
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>>>
>