Re: [Boost-users] boost/numeric/ublas/matrix_sparse.hpp does not play well with RICE

Subject: Re: [Boost-users] boost/numeric/ublas/matrix_sparse.hpp does not play well with RICE
From: Steven Watanabe (watanabesj_at_[hidden])
Date: 2010-05-20 18:47:26

AMDG

John O. Woods wrote:
> I posted earlier today, and I think now that the problem might not be RICE
> at all. I just tried to compile something that I *know* should compile
> properly, which does not use RICE, and it didn't work with a *different* boost
> library (in this case <boost/unordered_map.hpp>).
>
> I'm not really sure how to troubleshoot this. I know I upgraded recently
> from boost 1.41 to 1.43, but I can't see how that would be the issue.
> Perhaps I somehow have multiple versions of boost hidden here and there and
> it's trying to use the headers from one but libraries from another?
>
> For example, compiling this file:
>
> #include <boost/unordered_map.hpp>
> int main() { return 0; }
>
>
> Gives these errors:
>
> $ g++ -I. -I. -I/usr/lib/ruby/1.8/i486-linux -I. -D_FILE_OFFSET_BITS=64
>  -fPIC -fno-strict-aliasing -g -g -O2  -fPIC    -Wall -g -c main.cppIn file
> included from /usr/local/include/boost/unordered/detail/equivalent.hpp:11,
>                  from
> /usr/local/include/boost/unordered/unordered_map.hpp:19,
>                  from /usr/local/include/boost/unordered_map.hpp:16,
>                  from main.cpp:4:
> /usr/local/include/boost/unordered/detail/extract_key.hpp:31: error:
> template argument required for ‘struct set_extractor’

What versions of gcc are you using?
My best guess is that there's a macro problem.
Try looking at the preprocessor output.

In Christ,
Steven Watanabe