boost libstdc++ issue (was libvisio error)

[David Evans]

On 9/5/15 8:36 AM, David Evans wrote:
> On 9/5/15 7:41 AM, echothevoid wrote:
>> Hello!
>>
>> I  got an error after running regular sudo port upgrade outdatedcommand.
>> The log tells me that:
>> :info:build /opt/local/include/boost/thread/detail/move.hpp:31:10: fatal error: 'type_traits' file not found
>> I have found a similar issue on: http://stackoverflow.com/questions/14104298/clang-boostspirit-and-c11 but do not know
>> how to fix it in the macport's way.
>> I am using 10.7.5 Lion, with Xcode version 4.6.3.
>> The outcome of: 
>> port installed | grep gcc
>>   gcc49 @4.9.3_0 (active)
>>   gcc_select @0.1_8 (active)
>>   libgcc @5.2.0_0 (active)
>>
>> Can you suggest a newbie like me what to do next? 
>>
>> Many thanks,
>> void
>>
>>
> 
> As indicated in your stackoverflow.com reference, this is not a problem with libvisio per se but a problem with boost
> when using libstdc++ (default c++ lib on Mac OS X earlier than 10.9).  This builds correctly on 10.9+ where libc++ is
> the default.
> 
> Now that trac is back up, suggest you file a ticket against boost including the information included in this message and
> attach your log file there as well.  Don't forget to CC the boost maintainer.  He will probably want to file a bug
> report upstream with the boost developers.
> 
> port info --maintainer boost
> 
> CCing the boost maintainer now for his info.
> 
> Dave
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> 

Changing the subject.  Problem is when building with libstdc++.

Dave