Roger Leigh wrote:
I'd rather avoid this complexity. Isn't it easy enough to abort based on the value of ac_cv_prog_cc_c89 (or whatever)?
Yes, but I didn't know if users were allowed access to those internals. I've reverted this (but kept it for internal use).
From a plain-old-user's point of view, I'd much rather see Roger's original version. I don't want to rely on undocumented autoconf internals any more than I have to. As soon as you release a version of autoconf with this macro set included and people start relying on these internal variables, you've just committed to never changing them in the future.
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