name conflict after upgrade to HEAD.

[Dimitry Andric]

On 24 Aug 2016, at 12:14, Willem Jan Withagen <wjw at digiware.nl> wrote:
> 
> While compile Ceph source code I run into this conflict of the usuage of
> 'log'
> 
> Now I've fixed it by prefixing the log with ::log on line 845.
> Which works for me, but I'm pretty sure that that is not the best solution.
...
> 
> In file included from /usr/include/c++/v1/cmath:301:
> /usr/include/c++/v1/math.h:845:37: error: reference to 'log' is ambiguous
> log(_A1 __lcpp_x) _NOEXCEPT {return log((double)__lcpp_x);}

Can you show the full command line used to build the offending source
file?  Usually this is caused by an incorrect include directory search
order.  And most often, that is caused by build systems inserting
-isystem into compile command lines.

-Dimitry

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