best way to handle GCC version detection

Aryeh Friedman aryeh.friedman at
Tue Jun 27 15:39:05 UTC 2017

I have port I maintain that compiles fine under GCC 5 (or lower) but barfs
on GCC 6.   A small modification will make it compile under 6 but the very
same modification makes it incompatible with 5.   What is the best way to
handle this and still allow USE_GCC=any ?

Aryeh M. Friedman, Lead Developer,

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