For your 5.10 version this: archname=i686-linux-thread-multi and these: useithreads=define, usemultiplicity=define & this  USE_ITHREADS are all telling you it is compiled for multi-threading.

Conversely, your 5.8.8 has this: archname=i686-linux and these:usethreads=undef use5005threads=undef useithreads=undef usemultiplicity=undef telling you it is not.

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In reply to Re^5: perl version single/multithreaed by BrowserUk
in thread perl version single/multithreaed by ghosh123

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