Define VJ_THREAD_SCOPE to be a supported value on a given operating system.  Currently, only IRIX is singled out to set it tod PTHREAD_SCOPE_PROCESS since that is the only value supposed.  The ideal value is PTHREAD_SCOPE_SYSTEM, and that is currently the alternate value for all other platforms.
Define VJ_THREAD_SCOPE to be a supported value on a given operating
system.  Currently, only IRIX is singled out to set it tod
PTHREAD_SCOPE_PROCESS since that is the only value supposed.  The ideal
value is PTHREAD_SCOPE_SYSTEM, and that is currently the alternate value
for all other platforms.


git-svn-id: 769d22dfa2d22aad706b9a451492fb87c0735f19@323 08b38cba-cd3b-11de-854e-f91c5b6e4272

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