Hi Tom, thanks for such a quick reply - there's the rub, I really can't think of anything other than apple point updates.
I checked the configure output, and it noted that neither of those functions were available (but didn't appear to change anything or not try building) I then installed readline-8.1, and added: ./configure --prefix=/usr/local/pgsql-${PG_VERSION} --with-extra-version=-bm \ --with-bonjour --with-uuid=e2fs \ --with-libxml --with-libxslt \ --with-python PYTHON=/Library/Frameworks/Python.framework/Versions/3.9/bin/python3 \ --with-system-tzdata=/usr/share/zoneinfo \ --with-openssl \ --with-libraries=/usr/local/ssl/lib:/usr/local/lib \ --with-includes=/usr/local/ssl/include:/usr/local/include/readline to the configure, and the configure output now showed both available, checking for rl_reset_screen_size... yes checking for append_history... yes and it shows configure: using CPPFLAGS=-isysroot $(PG_SYSROOT) -I/usr/local/include/libxml2 -I/usr/local/ssl/include -I/usr/local/include/readline configure: using LDFLAGS=-isysroot $(PG_SYSROOT) -L/usr/local/lib -L/usr/local/ssl/lib -Wl,-dead_strip_dylibs at the bottom of the configure output but the build script still failed at the same point showing the same error citing the readline/history.h from the apple SDK's... is there something else I have to do to ensure it uses the ones on the PATH and specified in the configure? cheers Ben On Mon, 1 Mar 2021 at 12:50, Tom Lane <t...@sss.pgh.pa.us> wrote: > Ben Madin <b...@ausvet.com.au> writes: > > I am trying to build PostgreSQL 13.2 on Mac OS X 10.15.7. I was about to > > build 13.1 on the same 10.15 (but probably not 10.15.7) about 8 weeks ago > > without problems, so I was a bit surprised to find this error happening. > > > > *input.c:82:3: error: implicit declaration of function > > 'rl_reset_screen_size' is invalid in C99* > > [-Werror,-Wimplicit-function-declaration] > > rl_reset_screen_size(); > > ^ > > input.c:82:3: note: did you mean 'rl_set_screen_size'? > > > /Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/readline/history.h:198:8: > > note: > > 'rl_set_screen_size' declared here > > void rl_set_screen_size(int, int); > > ^ > > That's odd. Did you update Xcode or Apple's "command line tools" since > your last successful PG build? Do you have either MacPorts or Homebrew > stuff on this machine? > > FWIW, I don't think we've changed anything in this immediate area in > quite some time. So I guess something in your environment changed, > but it's not clear what. > > regards, tom lane > -- [image: Ausvet Logo] <https://www.ausvet.com.au/> Dr Ben Madin BVMS MVPHMgmt PhD MANZCVS GAICD Managing Director Mobile: +61 448 887 220 <+61448887220> E-mail: b...@ausvet.com.au Website: www.ausvet.com.au Skype: benmadin Address: 5 Shuffrey Street Fremantle, WA 6160 Australia