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Re: GFortran 44 optimizations and Intel SSE4
On Tuesday 01 November 2011 22:14:43 Jacob Anderson wrote:
> If I specify all BUT the -O3, it works fine and I get an executable without
> any link errors.
>
> Only the "-O3" option causes the link errors.
-O3 enables a batch of options, see the documentation for details.
The link error you quoted
> undefined reference to `std::basic_ostream<char, std::char_traits<char>
> >& std::__ostream_insert<char, std::char_traits<char>
> >(std::basic_ostream<char, std::char_traits<char> >&, char const*,
> long)'
is related to C++, not Fortran. You may want to link libstdc++ for that.
HTH
Daniel