> > this is not necessary, 'CC = c99' is already the default in make(1p) - > > deleting this line should suffice > > CC = c99 is a recommendation in make(1p). Implementations can choose not to > predefine anything for C.
indeed, my bad - it's probably better to set it explicitly I've checked the latest revision [1] as well, which sets CC to c17 instead [1] https://pubs.opengroup.org/onlinepubs/9799919799/utilities/make.html
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