On 17 October 2011 21:41, Daniel Fulton wrote: > FYI to the google searchers. > > Default behaviour on Fedora 15 is to not use the $LD_LIBRARY_PATH variable, > so I believe my build was not seeing the appropriate libstdc++. It appears > I have installed successfully by exporting /usr/lib and /usr/lib64 to Those directories should be in ldconfig's search path, you probably just needed to re-run ldconfig (or reboot) > LD_LIBRARY_PATH. I also included option > --enable-version-specific-runtime-libs when running configure, to avoid > conflicts with my already existing libraries. That might be a problem, --enable-version-specific-runtime-libs is broken on amd64 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32415