Thanks for the info, Willem. I'm on it.
BTW: it would be nice to have a Clang builder to find out similar
issues as early as possible.
Regards,
Radek
On Wed, Jun 14, 2017 at 10:49 AM, Willem Jan Withagen <wjw@xxxxxxxxxxx> wrote:
> I guess that in Clang strlen is not evaluation to a constant.
>
> --WjW
>
> In file included from
> /home/jenkins/workspace/ceph-master/src/rgw/rgw_auth_keystone.cc:22:
> /home/jenkins/workspace/ceph-master/src/rgw/rgw_auth_s3.h:171:29: error:
> constexpr variable 'META_MAX_SIZE' must be initialized by a constant
> expression
> static constexpr size_t META_MAX_SIZE = \
> ^
> /home/jenkins/workspace/ceph-master/src/rgw/rgw_auth_s3.h:172:7: note:
> non-constexpr function 'strlen' cannot be used in a constant expression
> strlen("\r\nffffffffffffffff;chunk-signature=") + SIG_SIZE +
> strlen("\r\n");
> ^
> /home/jenkins/workspace/ceph-master/src/rgw/rgw_auth_s3.h:175:29: error:
> constexpr variable 'META_MIN_SIZE' must be initialized by a constant
> expression
> static constexpr size_t META_MIN_SIZE = \
> ^
> /home/jenkins/workspace/ceph-master/src/rgw/rgw_auth_s3.h:176:7: note:
> non-constexpr function 'strlen' cannot be used in a constant expression
> strlen("0;chunk-signature=") + SIG_SIZE + strlen("\r\n");
> ^
> /home/jenkins/workspace/ceph-master/src/rgw/rgw_auth_s3.h:204:41: error:
> non-type template argument is not a constant expression
> boost::container::static_vector<char, ChunkMeta::META_MAX_SIZE>
> parsing_buf;
> ^~~~~~~~~~~~~~~~~~~~~~~~
> /home/jenkins/workspace/ceph-master/src/rgw/rgw_auth_s3.h:204:41: note:
> initializer of 'META_MAX_SIZE' is not a constant expression
> /home/jenkins/workspace/ceph-master/src/rgw/rgw_auth_s3.h:171:29: note:
> declared here
> static constexpr size_t META_MAX_SIZE = \
> ^
> 3 errors generated.
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