Hi Bin, > > It is using the standard version of gcc that comes as part of the > > CentOS 6.6 installation which is 4.4.7. > > > > I have been using 4.6.1 and 4.7.2, and both work. Can you please try > some newer gcc? Good call. Having found a gcc version 4.8.4 then it has all compiled successfully! Thanks for your help! Regards, Andy.