Eric Blake wrote: > With the proposal for autoconf 2.64, it can be > either invoked or required, in any order, without warning; it guarantees > that the expansion only occurs once; and it will never suffer from > out-of-order expansion (thanks to the embedded require under the hood).
Sounds perfect. I can't await to see it running, and backported into gnulib-common.m4 :-) Bruno
