Add configure probe for rl_variable_bind().
authorTom Lane <tgl@sss.pgh.pa.us>
Thu, 2 Dec 2021 18:06:27 +0000 (13:06 -0500)
committerTom Lane <tgl@sss.pgh.pa.us>
Thu, 2 Dec 2021 18:06:27 +0000 (13:06 -0500)
commita7da41981021575e2359683d994eec6c9d246321
treefcc3b7bc23f87bb62164ee62b21d740687cd74d2
parenta22d6a2cb62c4fc6d7c4b077d8014fd4ffaec426
Add configure probe for rl_variable_bind().

Some exceedingly ancient readline libraries lack this function, causing
commit 3d858af07 to fail.  Per buildfarm (via Michael Paquier).

Discussion: https://postgr.es/m/E1msTLm-0007Cm-Ri@gemulon.postgresql.org
configure
configure.ac
src/bin/psql/input.c
src/include/pg_config.h.in
src/tools/msvc/Solution.pm