[LLVMdev] How to enable c++11 in a llvm project?

[Mingliang LIU]

Hi Craig,

It works! Thank you very much.

Mingliang


On Tue, Nov 27, 2012 at 4:13 PM, Craig Topper <craig.topper at gmail.com>wrote:

> I've added the missing magic to Makefile.llvm.rules in r168685.
>
> On Tue, Nov 27, 2012 at 12:05 AM, Mingliang LIU <liuml07 at gmail.com> wrote:
>
>> Hi,
>>
>> I use the following line to configure, which can enable the c++11 in the
>> project building. However, I don't think it's an elegant way to do the
>> trick.
>> $ CXX="clang++ -std=c++11" ../configure
>>
>> I don't know why "-enable-cxx11" doesn't work as expected when I
>> configure the project.
>>
>> Regards.
>>
>>
>> On Mon, Nov 26, 2012 at 7:34 PM, Mingliang LIU <liuml07 at gmail.com> wrote:
>>
>>> Hi,
>>>
>>> I'm using the latest LLVM (r168491) built by GCC 4.7.2 (Gentoo masked
>>> version). The clang++ runs as expected when I compile a hello program
>>> with c++11 enabled.
>>>
>>> I created a project (copied from sample/) where there are some C++
>>> source files with c++11 features.  I configured my project using the
>>> following command:
>>> $ CXXFLAGS="-std=c++11" ../configure --enable-cxx11
>>> However, I found that the clang++ did not build my project with the "
>>> -std=c++" option[1].
>>>
>>> Could anyone kindly show me how to enable C++11 in a LLVM project,
>>> please?
>>>
>>> Thank you.
>>> Miangliang.
>>>
>>> [1] I get the detailed options building my project using 'make
>>> VERBOSE=1'
>>>  --
>>> Mingliang LIU (刘明亮 in Chinese)
>>>
>>> PACMAN Group,  Dept. of Computer Science & Technology
>>> Tsinghua University, Beijing 100084, China
>>> Email: liuml07 at mails.tsinghua.edu.cn
>>> Homepage: http://pacman.cs.tsinghua.edu.cn/~liuml07/
>>>
>>>
>>
>>
>> --
>> Mingliang LIU (刘明亮 in Chinese)
>>
>> PACMAN Group,  Dept. of Computer Science & Technology
>> Tsinghua University, Beijing 100084, China
>> Email: liuml07 at mails.tsinghua.edu.cn
>> Homepage: http://pacman.cs.tsinghua.edu.cn/~liuml07/
>>
>>
>> _______________________________________________
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>>
>>
>
>
> --
> ~Craig
>



-- 
Mingliang LIU (刘明亮 in Chinese)

PACMAN Group,  Dept. of Computer Science & Technology
Tsinghua University, Beijing 100084, China
Email: liuml07 at mails.tsinghua.edu.cn
Homepage: http://pacman.cs.tsinghua.edu.cn/~liuml07/
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