On 9-2-2017 17:18, Bassam Tabbara wrote:
> Hi,
>
> I’m curious are there specific advantages to compiling Ceph with
> clang vs. gcc? I understand that clang uses less memory, compiles
> faster, and has better errors/diagnostics, but as it relates to Ceph
> is there any specific advantages?
>
> Is there a plan to switching to clang?
There are a few reasons for also using Clang:
- Clang finds other types of issues in the code.
I think the speed, mem-footprint advantages you mention are not
(yet) the case.
- FreeBSD has Clang as native compiler, and I'm preparing a Ceph port
to FreeBSD.
Thanx for fixing this, I saw the PR fly by.
--WjW
> Thanks! Bassam
>
>> On Feb 9, 2017, at 7:35 AM, Willem Jan Withagen <wjw@xxxxxxxxxxx>
>> wrote:
>>
>> Hi,
>>
>> I think this is a recent addition to the game? And Clang does not
>> really like it.
>>
>> In file included from
>> /home/jenkins/workspace/ceph-master/src/common/perf_counters.h:21:
>> /home/jenkins/workspace/ceph-master/src/common/perf_histogram.h:80:9:
>>
>>
error: array initializer must be an initializer list
>> : m_axes_config(other.m_axes_config) { ^
>> /home/jenkins/workspace/ceph-master/src/common/perf_counters.h:98:29:
>>
>>
note: in instantiation of member function
>> 'PerfHistogram<2>::PerfHistogram' requested here
>> histogram.reset(new PerfHistogram<>(*other.histogram)); ^ 1 error
>> generated.
>>
>> --WjW -- To unsubscribe from this list: send the line "unsubscribe
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>
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