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On Mar 24, 2013 2:09 AM, "steve donovan" <steve.j.donovan@gmail.com> wrote:
> Under Unix, shared libraries etc are much more tolerant of where the
> symbols come from.
s/Unix/the System V Unix shared library model/
There's pressure from both ends of time. SVR4 shared libraries were somewhat unpopular because of all the overhead involved. Previous/legacy systems like OSF/1, AIX, HP/UX, Linux libc4 did not do relocation during runtime loading; libraries were at fixed locations in memory. And options for symbol versioning and controlled resolution in very modern systems move away from a flat symbol namespace to avoid various *internal* DLL Hell issues in plugin-heavy applications.
I have a feeling the only Unix system the (technically nonofficial) official Lua shared object technique really works right on is SunOS 4. Maybe some of the little vendor 4.3BSD ports too.
Jay