On 2019-Dec-11, Robert Haas wrote: > On Sun, Nov 3, 2019 at 5:40 PM Tom Lane <t...@sss.pgh.pa.us> wrote: > > Of course, this only works if we have those hooks :-(. So far as > > I can tell, all libreadline variants that might still exist in the wild > > do have them; but libedit doesn't, at least not in the version Apple > > is shipping. Hence, what the attached patch does is to make configure > > probe for the existence of the hook variables; if they're not there, > > fall back to what I proposed previously. > > Are people still compiling against libedit and then redirecting to > libreadline at runtime? I seem to recall some discussion about this > being a thing, many years ago.
Yeah, Debian did that out of licensing concerns. It seems they still do that, based on https://packages.debian.org/bullseye/postgresql-client-12 > If it were being done it would be > advantageous to have the checks be runtime rather than compile-time, > although I guess that would probably be tough to make work. Yeah. On the other hand, I suppose Debian uses the BSD version of the libraries, not the Apple version, so I think it should be fine? -- Álvaro Herrera https://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services