I'm building PostgreSQL(version 9.3.1) from source code in Ubuntu. I'd like to create several builds of Postgres, like pg1, pg2, etc. How can I do it? Thanks in advance.
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Which os and version are you using?
Even though I disagree with you on doing this, my approach would be to build them and keep the destination directory different from one build to the other. Something like
Then for every version you would have to issue an
Be sure to use the full path to the various executable files of the different database versions.
Another issue you will have to take care of is to modify
If you use the --prefix=PREFIX option while building from source, won't that help? You would also need to look at other options such as --with-pgport=NUMBER to ensure that you don't end up forgetting to change the port in postgresql.conf. Please have a look at http://www.postgresql.org/docs/current/static/install-procedure.html for other options you might want to change.