On Thu, Dec 2, 2021 at 5:01 AM Peter Eisentraut <peter.eisentr...@enterprisedb.com> wrote: > * pg_dump and psql will maintain compatibility with servers at least > ten major releases back. > > * We keep old major release branches buildable as long as a new major > release that has support for that old release is under support. > > Buildable for this purpose means just enough that you can use it to > test pg_dump and psql. This probably includes being able to run make > installcheck and use pg_dump and psql against the regression database. > It does not require support for any additional build-time options that > are not required for this purpose (e.g., new OpenSSL releases). > Conversely, it should be buildable with default compiler options. For > example, if it fails to build and test cleanly unless you use -O0, > that should be fixed. Fixes in very-old branches should normally be > backpatches that have stabilized in under-support branches. Changes > that silence compiler warnings in newer compilers are by themselves > not considered a backpatch-worthy fix.
Sounds reasonable. It doesn't really make sense to insist that the tools have to be compatible with releases that most developers can't actually build. -- Robert Haas EDB: http://www.enterprisedb.com
