Steven Brown wrote: > Does rOOt disable explicit instantiation via tweaking > _GLIBCXX_EXTERN_TEMPLATE? I cannot answer this. I am only an user of ROOT (http://root.cern.ch/), not a developer. I know only that it is almost an year that the build made with GCC-3.4.4 do not work. After applying the PR24196 patch to basic_string.h and basic_string.tcc, rebuilding ROOT, it works! The same happens if one builds GCC-3.4.4 configuring it with --enable-fully-dynamic-string and rebuilds ROOT. Cheers, Angelo. -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/