On 11/02/2016 08:28 PM, Eric Blake wrote: >> How would you do that? You would have to expand before the first >> AC_CHECK_FUNC_ONCE, but you do not have a diversion there (you might >> need one per language, in fact). >
> Oh, and you're right that N would have to be a > per-language offset. Hmm. As it is, we have a bug if you attempt to use AC_CHECK_FUNCS_ONCE across multiple languages. Only the first language actually checks, because we define only a single one-shot _AC_FUNCS_EXPANSION rather than one per language. I'll fix that first, but I guess the fact that no one has reported it means few people use the macro for anything other than C, rather than for mixed-language projects. -- Eric Blake eblake redhat com +1-919-301-3266 Libvirt virtualization library http://libvirt.org
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