[erlang-questions] "-optional_callback" and older versions

Benoit Chesneau <>
Mon May 30 18:47:10 CEST 2016


Hi,

I am writing right now a behaviour that have an `-optional_callback` but
compiling this module fails obviously with oldest versions:

Warning: undefined callback function myfunction/2 (behaviour
'gen_somebehviour')


is there a way to ignore this warning only?

- benoit
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