Wolfgang Walther 88dfade94b postgresql: replace pg_config with custom script ... By replacing upstream's pg_config binary with a shell script, we: - gain the ability to run pg_config easily when cross-compiling, - can remove the fake pg_config in the default output, - can remove the pg_config wrapper script dealing with special cases. Some 20 years ago, pg_config *was* a shell script upstream, too. It was changed to a binary, when it was made "relocatable", so it would return paths depending on the location of the "postgres" binary. However, this is exactly the thing that just hurts us in nixpkgs - we don't want those paths to change, we want them to always point at the right outputs. By writing the script ourselves, this becomes a lot less painful. This approach means more lines of codes, but all of them are dead simple and we have a lot less complexity overall. Additionally, pg_config is now made a separate derivation, only exposed as "postgresql.pg_config". This has the nice side-effect, that all users of postgresql and libpq in nixpkgs must be very *explicit* about their dependency on pg_config. This gives a lot more visibility into the state of affairs regarding pkg-config support for libpq, which ultimately is the much better solution.		2025-03-21 18:05:38 +01:00
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package.nix	postgresql: replace pg_config with custom script	2025-03-21 18:05:38 +01:00