On Fri, Apr 06, 2018 at 05:57:15PM -0400, Jonathan Primrose wrote: > > Oops. This is due to my 3adf9fdecf (configure.ac: loosen > > FREAD_READS_DIRECTORIES test program, 2017-06-14). > > > > Neither I nor the original tester noticed, because we're on Linux, which > > needs that set. > > I'm also running Linux, but somehow I ended up needing to check > config.log and saw the error. I don't remember why I had to check. > (I've been fixing the problem locally for the last few releases, > figuring someone else would notice. I also remove the 'rm configure' > from the distclean target in Makefile, just in case I decide to > rebuild later.) I think you'll find that most of the developers don't actually use autoconf themselves, so bugs tend to go unnoticed there for a while. (The failure case for setting this flag accidentally is not bad, either; it just incurs an extra fstat). -Peff