Re: how to disable all complier optimizations

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On Thu, Feb 2, 2017 at 10:00 PM, Matt Benjamin <mbenjamin@xxxxxxxxxx> wrote:
> Hi,
>
> FWIW, I use:
>
>   -DCMAKE_CXX_FLAGS="-O0 -g3 -gdwarf-4" -DCMAKE_C_FLAGS="-O0 -g3 -gdwarf-4"

we always include the ${CMAKE_C_FLAGS} in ${CMAKE_CXX_FLAGS}.

see https://github.com/ceph/ceph/blob/master/src/CMakeLists.txt#L52


>
> Matt
>
> ----- Original Message -----
>> From: "liuchang0812" <liuchang0812@xxxxxxxxx>
>> To: "Ramesh Chander" <Ramesh.Chander@xxxxxxxxxxx>
>> Cc: "ceph-devel" <ceph-devel@xxxxxxxxxxxxxxx>
>> Sent: Wednesday, February 1, 2017 12:02:34 PM
>> Subject: Re: how to disable all complier optimizations
>>
>> hi, try this
>>
>> cmake -DCMAKE_BUILD_TYPE=Debug ..
>>
>> 2017-02-01 19:48 GMT+08:00 Ramesh Chander <Ramesh.Chander@xxxxxxxxxxx>:
>> > I am trying to compile ceph-osd and debug it but keep getting "optimized
>> > out " message for local variables.
>> >
>> > How to I disable compiler optimization for ceph-osd ?
>> >
>> > Thanks in advance.
>> >
>> > -Ramesh
>> >
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>
> --
> Matt Benjamin
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-- 
Regards
Kefu Chai
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