V3 vs. symbol versions

[Benjamin Kosnik]

> When trying to rebuild V3, I get:
> 
> /usr/bin/ld: .libs/libstdc++.so.5.0.1: undefined versioned symbol name 
> std::time_put_w@@GLIBCPP_3.2
> /usr/bin/ld: failed to set dynamic section sizes: Bad value
> collect2: ld returned 1 exit status
> 
> What does this mean?  My binutils are stock Red Hat 7.2.

Can you try a clean re-build? This should be defined in src/globals.cc.

-benjamin