Ralf Wildenhues wrote: > * Jim Meyering wrote on Tue, Jan 05, 2010 at 07:09:57PM CET: >> Paolo Bonzini wrote: >> > On 01/04/2010 03:03 PM, Jim Meyering wrote: >> >> However, it would be far better if AC_CHECK_FUNCS_ONCE >> >> were to expand to e.g., ":" rather than the empty string, >> >> so that it can be used unadorned in situations like the above. >> >> Otherwise, it looks like a pitfall designed to trap the uninitiated. >> >> >> >> Bruno, ok to apply? >> > >> > No, AC_CHECK_FUNCS_ONCE should _always_ expand to an empty string. >> > The test is done always---and it is done outside the macro. It's >> > clearer to do as in the attached patch. Bruno, is this okay? > >> Your proposed version is both more concise and more readable. >> One might regret however that when the test is performed here, >> it is wasted effort on systems lacking langinfo.h. >> Considering that the penalty is incurred only on losing systems, >> this seems like a clear improvement. > > I think there is a misunderstanding here.
Yes, mine ;-) Need to learn to stop relying on non-memory. Thanks for the explanation.
