Add postgis 2.4.0
doesn't remove v2.3.1. There are some big change in 2.4 that people may
don't want. see https://postgis.net/docs/release_notes.html#idm41021
fix test call
modify following recommandation of lsix
* pkgs: refactor needless quoting of homepage meta attribute
A lot of packages are needlessly quoting the homepage meta attribute
(about 1400, 22%), this commit refactors all of those instances.
* pkgs: Fixing some links that were wrongfully unquoted in the previous
commit
* Fixed some instances
Fixes#15236
Two changes were needed:
- pg_config from postgresql package wasn't reporting the correct location for
the pgxs extension system, after the output split
- json_c is now split in dev and out outputs, postgis configure doesn't find the
library location properly
Closes#15470
- support older versions (which are used by other distributions)
- give utilyt scripts nicer names
- pg_db_postgis_enable: support loading comments
svn path=/nixpkgs/trunk/; revision=21992